Patents Assigned to TAIZHOU DAJIANG IND. CO., LTD.
  • Patent number: 11618144
    Abstract: An energy storage mechanism and a nail gun having the same. The nail gun includes a driving mechanism having a piston, a nail striking member co-movably connected to the piston, and a driving member being operably alternatively engaged and disengaged with the nail striking member. The energy storage mechanism includes a cylinder and at least one spring disposed in the cylinder such that an engagement of the driving member with the nail striking member causes the piston to move backward in the cylinder to push the at least one spring into a contract state so as to store energy therein, and an disengagement of the driving member with the nail striking member causes the least one spring to release the stored energy therein to push the piston to move frontward in the cylinder so that the nail striking member is co-moved therewith to strike a nail out of a muzzle.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: April 4, 2023
    Assignee: TAIZHOU DAJIANG IND. CO., LTD
    Inventors: Mingjun Yang, Jinquan Huang, Min Li, Zhonghai Song, Guicong Xiao
  • Patent number: 11511406
    Abstract: A control and protection mechanism and a nail gun having the same. The control and protection mechanism includes first and second micro-motion switches, a toggle block, a lock pin, an actuating member, a micro-motion contact and a driving rod. The switch bracket is attached to the main body; the first and second micro-motion switches are fixed on the switch bracket; the toggle block is rotatably attached to the switch bracket, and includes a lock groove, a trigger end and a toggle end. The toggle end is operably coupled to the first micro-motion switch and the trigger end extends into inside the main body such that when the piston moves in the cylinder to a position, the piston pushes the trigger end to prompt the toggle block to rotate and therefore the toggle end to move, thereby causing the first micro-motion switch to change its switch state.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: November 29, 2022
    Assignee: TAIZHOU DAJIANG IND. CO., LTD
    Inventors: Mingjun Yang, Jinquan Huang, Min Li, Zhonghai Song, Guicong Xiao
  • Patent number: 10391620
    Abstract: The invention relates to a base mechanism and a roller mechanism of a floor nailing gun. The base mechanism includes a base fixedly connected to a bottom of a main body of a floor nailing gun. At least one adjustment roller assembly is movably disposed at a front end portion of the base, each adjustment roller assembly includes an adjustment roller having a lowest point in contact with a floor surface when in operation. The roller mechanism includes a base fixedly connected to a bottom of a main body of a floor nailing gun, at least one roller group is disposed at a rear end portion of the base, an elastic reset member is disposed between the roller group and the base, each roller group comprises a roller having a lowest point in contact with a floor surface when the roller is in a normal state.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: August 27, 2019
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Ming-Jun Yang, Zai-Jun Zhu
  • Patent number: 10253510
    Abstract: In one aspect of the invention, a floor nailing gun includes a nail magazine; a sleeve component; a nail ejecting component; an elastic component; and a base, where an end face of one end of the nail magazine is provided with at least one threaded hole for fixedly connecting the nail magazine to the base, and the sleeve component, the nail ejecting component, and the elastic component are mounted on the nail magazine, wherein the nail magazine is provided with an L-shaped groove having an L-shaped cross section or a T-shaped groove having a T-shaped cross section, and a boss for preventing nails from jumping up and down is formed at the top of the L-shaped groove or the T-shaped groove.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: April 9, 2019
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Ming-Jun Yang, Zai-Jun Zhu
  • Patent number: 10160107
    Abstract: A firing apparatus for a floor nailing gun includes a hollow shell, a driving device and a front end cover. The driving device and the front end cover are respectively disposed at rear and front end portions of the hollow shell. A piston barrel and a tapping seat are disposed inside the shell. The piston barrel has a first end portion and a second end portion that is smaller than the first end portion, where the second end portion of the piston barrel extends from a front end portion of the shell to the inside of the shell and is connected to the driving device, and the first end portion is connected to the tapping seat. The front end cover is provided with a through hole, such that a front end of the tapping seat passes through the through hole to protrude from the front end cover.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: December 25, 2018
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Ming-Jun Yang, Zai-Jun Zhu, Song-Song Shao
  • Patent number: 10099357
    Abstract: A floor nailing gun applicable to a floor having a lateral side with a recess structure or a protrusion structure includes a floor nailing gun main body that has a base plate for matching an upper surface of the floor, a supporting seat for matching the ground, and a positioning block used for matching the recess structure or the protrusion structure of the lateral side of the floor. The base plate and the supporting seat are respectively disposed on upper and lower sides of the floor nailing gun main body by a fastener. The positioning block is fastened between an end portion of the floor nailing gun main body such that the positioning block is positioned between the base plate and the supporting seat. The positioning block comprises at least two positioning surfaces.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: October 16, 2018
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Ming-Jun Yang, Zai-Jun Zhu, Song-Song Shao
  • Patent number: 9915421
    Abstract: The present invention discloses a saturated water explosive device, including a water intake pipe, a flow splitter for splitting a high-pressure liquid, a flow baffle for baffling the high-pressure liquid, a heat receiver having a cavity defined inside, a pillar connected with the heat receiver by a micro-channel wherein the high-pressure liquid is heated to be high-temperature saturated water, and a heat source for heating the cavity. High-pressure water is heated to produce high-temperature high-pressure saturated water, and then by using the saturated water explosive device of the present invention, the produced high-temperature high-pressure saturated water instantaneously explodes as being heated, and a high-temperature high-pressure steam flow is produced due to rapid vaporization, and expansion and is used as a power source.
    Type: Grant
    Filed: January 2, 2015
    Date of Patent: March 13, 2018
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9796071
    Abstract: The present invention relates to a spring reset device for a piston mechanism. In certain embodiments, the spring reset device includes: a connecting plate, a pull rod, a plurality of reset springs, and a plurality of brackets. The connecting plate has a plurality of connecting pins. Each of the reset springs has a first end, and a second end. Each of the brackets has a connecting pin. The spring reset device is positioned on a top end of a piston body. The piston body includes a piston cylinder body, a piston plate, a piston rod, and a cylinder cover. A lower side of the piston plate is connected to the piston rod through a thread. First end of each of reset springs is rotatably connected to a hook portion of connecting plate. Second end of each of reset springs is rotatably connected a hook portion of a corresponding bracket.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: October 24, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9777725
    Abstract: The invention relates to a high pressure water pump and a steam powered nailing gun having the high pressure water pump. In certain embodiments, high pressure water pump includes: an upper pump body, a lower pump body, a water discharge valve, a water intake valve, a plunger, a guide sleeve, a hammering cap, an adjustment knob, and an evacuation valve. Both upper and lower pump body are connected by connecting bolts. A sealing ring is disposed between upper and lower pump body and a sealing element is disposed between the upper pump body and plunger. Plunger is sheathed in upper pump body. The hammering cap is threadedly connected to the plunger. The adjustment knob is connected to an upper end of upper pump body. The hammering cap is moveably connected to the adjustment knob through the plunger. A plunger reset spring is disposed between hammering cap and adjustment knob.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: October 3, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9724811
    Abstract: The present invention relates to a steam powered nailing gun. In certain embodiments, the steam powered nailing gun includes a handle, a casing, a high pressure water pump, a piston mechanism, a nailing gun base, and a nail magazine. The piston mechanism is connected to the casing. One end of the piston mechanism is connected to the high pressure water pump, and another end is connected to nailing gun base. The nail magazine is disposed at a position corresponding to piston mechanism on the nailing gun base. A phase transition thermal storage device and a steam power generator are positioned inside casing having steam power generator inside phase transition thermal storage device. The steam power generator is connected to high pressure water pump and piston mechanism. The high pressure water pump is further connected to a water supply device 11 on the handle through a second water supply pipe.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: August 8, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9713867
    Abstract: The present invention relates to a versatile nail magazine for a nailing gun. In certain embodiments, the versatile nail magazine includes an elongated nail magazine body for loading nails. The nail magazine body includes: a front end connected to a nailing head of the nailing gun, and a rear end for reloading various types of nails, a nail shank track having a lower end, and an upper end, a nail head track disposed on the upper end of the nail shank track, and one or more nail head positioning protrusions disposed between the upper end of the nail shank track and the nail head track for securing the plurality of nails. The nail shank track, and the nail head track extend lengthwise along nail magazine body. Nails in a nail strip are loaded in the nail head track, and the nail shank track from rear end of nail magazine body.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: July 25, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD
    Inventors: Ming-Jun Yang, Zai-Jun Zhu
  • Patent number: 9707674
    Abstract: The invention relates to a cylinder cover for a cylinder of a piston mechanism. In certain embodiments, the cylinder cover includes a cylinder cover body, a valve plate, and a one-directional valve. The cylinder cover body has an exhaust port, and an oil intake. The exhaust port and oil intake are disposed on outer circumference of the cylinder cover body. The one directional oil valve is formed by a compression spring and a ball. An inner end of the oil intake is connected to the compression spring through the ball and the ball is disposed between one end of the compression spring and the inner end of the oil intake. The valve plate is retained on an inner wall of the cylinder cover body by a retaining nut. The cylinder cover further has an auxiliary heating rod inside cylinder cover body for pre-heating cylinder cover to a predetermined temperature.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: July 18, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9657761
    Abstract: The present invention relates to a nail assembly having one or more double-pin nails. Each nail includes a nail body and two nail pins extending from the nail body. Each nail pin has a tail end having at least one inclined face formed as a nail edge, where the inclined face is provided with at least one of a concave structure and a convex structure. The concave structure includes one or more grooves, and the convex structure includes one or more tenons. The assembly of double-pin nails having nail pin inclined faces provided with at least one of the concave and convex structures enables, after entering an object, the two nail pins of a double-pin nail are staggered to interlock with each other, thereby effectively connecting the object firmly with a strong anti-pull capability, and having desirable economic and technical benefits.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: May 23, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Ming-Jun Yang, Tao Yang, Shang-Shi Cai
  • Publication number: 20150014390
    Abstract: A palm hammer comprises a bracket, a hammer body and the guide bushing which comprises a prism-shaped muzzle cover and a muzzle, wherein the muzzle cover and the muzzle are connected through bolts and joined into a body of the guide bushing; the body of the guide bushing may be axially moved in a bracket of the palm hammer; the parts of the muzzle cover and the muzzle near the distal gradually narrow into a chisel-shape; the proximal of the body of the guide bushing rests against a spring on the hammer body of the palm hammer; the body of the guide bushing axially moves in the bracket; a bore used for accommodating a nail and a driving rod is axially opened on the muzzle; one end of a bumper protrudes out of the distal of the body of the guide bushing.
    Type: Application
    Filed: September 30, 2013
    Publication date: January 15, 2015
    Applicant: Taizhou Dajiang IND. Co., Ltd.
    Inventors: Mingjun Yang, Zaijun Zhu
  • Patent number: 8783539
    Abstract: An adjusting mechanism for nailing power of nailing gun, comprising: a slot which is arranged in an upper aluminum cap and is co-axial with an air cylinder, so that the balanced valve airtight slides in the slot, the front side of the balanced valve is exposed to a main chamber, and the rear side of the balanced valve encloses with the inner surface of the upper aluminum cap to form a control chamber; the travel distance of the balanced valve is restricted between the cylinder and a cushion seal arranged on the rear surface of the upper aluminum cap, wherein the cushion seal is positioned axial position adjusting mechanism. The present invention has the advantages of capable of adjusting nailing power so as to provide maximum output power and is convenient for adjusting nailing frequencies.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: July 22, 2014
    Assignee: Taizhou Dajiang Ind. Co., Ltd.
    Inventors: Mingjun Yang, Zhongji Chen, Yuanhu Su
  • Publication number: 20110174858
    Abstract: An adjusting mechanism for nailing power of nailing gun, comprising: a slot which is arranged in an upper aluminum cap and is co-axial with an air cylinder, so that the balanced valve airtight slides in the slot, the front side of the balanced valve is exposed to a main chamber, and the rear side of the balanced valve encloses with the inner surface of the upper aluminum cap to form a control chamber; the travel distance of the balanced valve is restricted between the cylinder and a cushion seal arranged on the rear surface of the upper aluminum cap, wherein the cushion seal is positioned axial position adjusting mechanism. The present invention has the advantages of capable of adjusting nailing power so as to provide maximum output power and is convenient for adjusting nailing frequencies.
    Type: Application
    Filed: September 18, 2009
    Publication date: July 21, 2011
    Applicant: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Mingjun Yang, Jhongji Chen, Yuanhu Su
  • Publication number: 20110114695
    Abstract: The invention relates to a three-in-one nail gun nail-box unit, comprising: a groove, on which a U-shaped nail can straddle and slide and one end of which is connected with the head of the nail gun; a nail clip, which is arranged on the periphery of the groove; a nail-pushing block, the end section of which is U-shaped and which is connected with the gun body via an elastomer in order to push the nails to move in the direction of the head of the nail gun; two sides of the groove are respectively enclosed by the nail clip, in order to form a first accommodation groove and a second accommodation groove for accommodating the nails to pass through, and the sidewalls of the accommodation grooves are oppositely provided with protrusions for defining the head of nails; a positioning block fixedly connected to the nail clip is arranged above the groove, and the bottom of the positioning block is matched with the top of the groove to define the position of the U-shaped nail; and the side of the positioning block is ma
    Type: Application
    Filed: January 11, 2010
    Publication date: May 19, 2011
    Applicant: TAIZHOU DAJIANG IND., CO., LTD.
    Inventors: Mingjun Yang, Cong Li, Jianjun Ye
  • Publication number: 20110057014
    Abstract: A nailing gun trigger safety device and a nailing gun provided with the same are disclosed. Said nailing gun safety device is provided on the nailing gun body and interconnects with a trigger mechanism. Said nailing gun trigger safety device includes a contact-jacking mechanism and an poking mechanism interconnected with the contact-jacking mechanism. Said contact-jacking mechanism is slidably mounted on the distal end of the nailing body. Said poking mechanism interconnects with the contact-jacking mechanism. Said nailing gun trigger safety device further includes a transmission mechanism interconnected with the trigger mechanism and said transmission mechanism interconnects with said poking mechanism and the trigger mechanism respectively. Such a mechanical structure makes the structure of the nailing gun trigger safety device simple and reduces the manufacture cost.
    Type: Application
    Filed: July 9, 2008
    Publication date: March 10, 2011
    Applicant: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Mingjun Yang, Qicheng Wu
  • Publication number: 20100230463
    Abstract: The present invention discloses a nail box for T-shaped, L-shaped and U-shaped nails of nail-shooting gun, comprising: a groove seat provided to be straddled and slid by the U-shaped nails, one end of the groove seat is connected with the head of the nail-shooting gun; a nail clamp arranged at a side face of the groove seat to form a containing groove between the nail clamp and the groove seat to be passed by a nail; a nail-pushing block having an U-shaped cross section and connected with the body of the nail-shooting gun by an elastic element to push the nail to move toward the head of the nail-shooting gun along the containing groove; characterized in that: two convex stripes are oppositely arranged on an inner wall of the containing groove adjacent to the top of the groove seat. The usage range of the nail box according to the present invention can be extended, and the nail box is more convenient for users.
    Type: Application
    Filed: April 3, 2008
    Publication date: September 16, 2010
    Applicant: TAIZHOU DAJIANG IND. CO., LTD.
    Inventor: Mingjun Yang