Handheld wet grinder
A handheld wet grinder designed with water-discharging mechanism for wetting the powders. The wet grinder includes a main body and a water-discharging switch. A water incoming flow way is disposed in the main body and extends from the rear end of the main body to the front end thereof. A valve is installed in the flow way. The water-discharging switch is mounted on a circumference of the front end of the main body and connected with the valve. When shifting the water-discharging switch, the valve is driven to block or unblock the water incoming flow way so as to control water flow. The water incoming flow way is directly disposed in the main body without being exposed to outer side so that the flow way of water is protected from being damaged. In addition, the water-discharging switch is positioned at the front end of the main body so that a user can conveniently operate the water-discharging switch with the hand holding the main body without using the other hand.
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This application is a Continuation-in-Part of pending application U.S. Ser. No. 11/514,362, entitled “WATER GRINDER” and filed on Sep. 1, 2006.
FIELD OF THE INVENTIONThe present invention is related to a grinding device, and more particularly to a handheld grinder with wetting effect. The water incoming flow way of the grinder is disposed in the grinder. In addition, the water-discharging switch of the grinder is easily operable.
BACKGROUND OF THE INVENTIONWhen grinding a work piece with a handheld grinder, much powder dust is produced. The conventional grinder is designed with a water-discharging unit for wetting the powder dust and avoiding flight thereof.
In the above handheld wet grinder, the water pipe 12 is externally added to the main body and exposed to outer side thereof. In use, the water pipe tends to be collided and broken to lead to leakage of the water.
Moreover, the water-discharging switch 16 is positioned at a rear end of the main body 14 so that it is inconvenient to operate the switch 16. That is, when controlling the water flow, a user needs to hold the main body 14 with one hand and switch the switch 16 with the other hand. Therefore, it is necessary for the user to use both hands to operate the grinder, unable to operate with single hand.
SUMMARY OF THE INVENTIONIt is therefore a primary object of the present invention to provide a handheld wet grinder in which the flow way of the water is protected from being collided and broken.
It is a further object of the present invention to provide a handheld wet grinder having a water-discharging switch for controlling water flow. The wet grinder enables a user to operate the water-discharging switch with single hand.
According to the above objects, the handheld wet grinder of the present invention has a water incoming flow way which is directly disposed in the main body of the grinder. Therefore, the water incoming flow way is protected from being collided and damaged.
The grinder of the present invention has a water-discharging switch positioned at a front end of the main body. Accordingly, a user can conveniently operate the water-discharging switch with the hand holding the main body. Therefore, the user can operate the water-discharging switch with single hand.
Preferably, the water-discharging switch is positioned on a top face of the front end of the main body of the grinder.
Preferably, the water-discharging switch is back and forth shiftable along the length of the main body. Alternatively, the water-discharging switch is rotatable to control the water flow.
The present invention can be best understood through the following description and accompanying drawings wherein:
BRIEF DESCRIPTION OF THE DRAWINGS
Please refer to
The grinder of the present invention further has a water incoming flow way 40 and a water-discharging switch 50.
Referring to
The water-discharging switch 50 is mounted on a circumference of the front end 34 of the main body 30 for controlling the valve 45. Referring to
To speak more detailedly, at lease one pivot hole 37 is formed on one side of the main body 30 to communicate with the valve chamber 42 of the flow way. A connector 48 is airtight rotatably disposed in the pivot hole 37. An inner end of the connector 48 is connected with the valve 45. The lug 54 is connected with an outer end of the connector 48 via a threaded member 56. Accordingly, the water-discharging switch 50 is rotatable about the pivot hole. When shifting the water-discharging switch 50, the valve 45 is driven to rotate. The connector 48 is connected with the center of the ball valve 45 so that the rotational center of the water-discharging switch 50 coincides with the center of the ball valve 45.
Referring to
Referring to
When the water-discharging switch 50 is shifted rearward to the shutoff position as shown in
A pivot hole 87 is formed on a top face of the main body 80 to communicate with the valve chamber 83. The switch 84 is mounted on the top face of the main body. A connector 88 is arranged in the pivot hole 87 to connect one end of the switch 84 with the valve 86. The rotational center of the water-discharging switch coincides with the center of the valve 86.
When the free end of the switch 84 is shifted, the switch 84 rotationally drives the valve 86 to control the water flow.
It should be noted that the water-discharging switch of the invention can be alternatively arranged on the circumference of the front end of the main body. The position of the water-discharging switch is not limited to the top face of the front end of the main body.
According to the above arrangement, the water-discharging switch can be directly operated with the hand holding the main body. Therefore, a user can operate the grinder and control the water-discharging switch by single hand. This facilitates the use of the grinder. Moreover, the water incoming flow way is directly disposed in the main body so that the water incoming flow way is protected from being collided and damaged.
The above embodiments are only used to illustrate the present invention, not intended to limit the scope thereof. Many modifications of the above embodiments can be made without departing from the spirit of the present invention.
Claims
1. A handheld wet grinder comprising:
- a main body having a front end and a rear end;
- a water incoming flow way disposed in the main body and extending from the rear end of the main body to the front end thereof;
- a valve installed in the flow way; and
- a water-discharging switch mounted on a circumference of the front end of the main body for a user to shift, the water-discharging switch being connected with the valve, whereby when shifting the water-discharging switch, the valve is driven to block or unblock the water incoming flow way.
2. The grinder as claimed in claim 1, wherein the water-discharging switch is arranged on a top face of the front end of the main body.
3. The grinder as claimed in claim 1, wherein when the water-discharging switch is shifted, the water-discharging switch is moved back and forth along the length of the main body.
4. The grinder as claimed in claim 2, wherein when the water-discharging switch is shifted, the water-discharging switch is moved back and forth along the length of the main body.
5. The grinder as claimed in claim 1, wherein the water-discharging switch is pivotally connected with the main body, whereby when the water-discharging switch is shifted, the water-discharging switch is rotated.
6. The grinder as claimed in claim 1, wherein one end of the water-discharging switch is pivotally connected with the main body, whereby when the other end of the water-discharging switch is shifted, the water-discharging switch is rotated.
7. The grinder as claimed in claim 1, wherein a valve chamber is formed at a front end of the water incoming flow way and the valve is disposed in the valve chamber.
8. The grinder as claimed in claim 7, wherein a pivot hole is formed on the circumference of the main body to communicate with the valve chamber; a connector is mounted in the pivot hole, an inner end of the connector is connected with the valve; the water-discharging switch is connected with an outer end of the connector.
9. The grinder as claimed in claim 1, wherein a pivot hole is formed on the circumference of the main body to communicate with the water incoming flow way; a connector is mounted in the pivot hole, an inner end of the connector is connected with the valve; the water-discharging switch is connected with an outer end of the connector.
10. The grinder as claimed in claim 1, wherein at least one pivot hole is formed on at least one side of the main body to communicate with the water incoming flow way; the water-discharging switch having a shift section and at least one lug positioned on one side of the shift section, the lug being pivoted with the pivot hole and connected to the valve; the shift section being positioned on the top face of the main body, whereby when shifted, the water-discharging switch is rotated about the pivot of the lug and the shift section of the water-discharging switch is moved back and forth along the length of the main body
11. The grinder as claimed in claim 10, further comprises a connector installed in the pivot hole, an inner end of the connector is connected with the valve; the lug of the water-discharging switch is connected with an outer end of the connector.
12. The grinder as claimed in claim 10, wherein the water-discharging switch has two lugs respectively disposed on two sides of the shift section, the two lugs respectively positioned on two sides of the main body.
13. The grinder as claimed in claim 1, wherein a pivot hole is formed on a top face of the main body to communicate with the water incoming flow way; the water-discharging switch is connected with the valve via the pivot hole, whereby when the water-discharging switch is shifted, the water-discharging switch is rotated.
14. The grinder as claimed in claim 1, wherein the front end of the main body has a rotary shaft; the water-discharging switch is positioned above the rotary shaft.
15. The grinder as claimed in claim 2, wherein the front end of the main body has a rotary shaft; the water-discharging switch is positioned above the rotary shaft.
16. A handheld wet grinder comprising:
- a main body having a front end and a rear end;
- a water incoming flow way disposed in the main body and extending from the rear end of the main body to the front end thereof;
- a ball valve installed in the flow way; and
- a water-discharging switch pivotally mounted on a circumference of the front end of the main body for a user to shift, the water-discharging switch being connected with the ball valve, the water-discharging switch having a rotational center coinciding with the center of the ball valve, whereby when shifting the water-discharging switch, the ball valve is driven and rotated.
17. The grinder as claimed in claim 16, wherein the front end of the main body has a rotary shaft; the water-discharging switch is arranged on a top face of the front end of the main body and is positioned above the rotary shaft.
18. The grinder as claimed in claim 16, wherein when the water-discharging switch is shifted, the water-discharging switch is moved back and forth along the length of the main body.
19. The grinder as claimed in claim 16, wherein the water-discharging switch is pivotally connected with the main body, whereby when the water-discharging switch is shifted, the water-discharging switch is rotated.
20. The grinder as claimed in claim 16, wherein at least one pivot hole is formed on at least one side of the main body to communicate with the water incoming flow way; the water-discharging switch having a shift section and at least one lug positioned on one side of the shift section, the lug being pivoted with the pivot hole and connected to the ball valve; the shift section being positioned on the top face of the main body, whereby when shifted, the water-discharging switch is rotated about the pivot of the lug and the shift section of the water-discharging switch is moved back and forth along the length of the main body
Type: Application
Filed: Dec 3, 2007
Publication Date: Apr 10, 2008
Applicant:
Inventor: Freddy Lin (Taichung Hsien)
Application Number: 11/987,593
International Classification: B24B 23/00 (20060101);