Abstract: A pipe expanding head, a pipe expanding head assembly, and a pipe expanding plier are provided. A distance from a point on an outer periphery of a largest radial cross section of the first joint arc part to the central axis is not less than a distance from a point on an outer periphery of the first radial cross section to the central axis, and the distance from the point on the outer periphery of the largest radial cross section of the first joint arc part to the central axis is larger than a distance from a point on an outer periphery of the second radial cross section to the central axis; and a distance from a point on an outer periphery of a largest radial cross section of the second joint arc part to the central axis is also similar.

Abstract: An adjusting-free clamp pliers jaw, the first and second pliers bodies rotating on the base and the first and second pliers bodies being mirror symmetrical, the clamping rim is provided on both the first and second pliers bodies, the extrusion notch is provided on both the first and second pliers bodies, the clamping rims on the first and second pliers bodies are jointly used for clamping a clamp, and the extrusion notches on the first and second pliers bodies are used for jointly pinching off the clamp. The invention brings following benefits that: the clamping rims and the extrusion notches are arranged on the first and second pliers bodies, so that a clamping and breaking of the clamp from the extrusion can are realized and both the crimping and shearing functions can be integrated together without a conversion operation, and an operation of this device is simple, convenient and quick.

Abstract: A pipe expanding plier is disclosed, and it includes a fixed handle, a movable handle, a mounting base, a pipe expanding head, and a pushing cone. One end of the pushing cone is provided with a rotating shaft, which is connected with the movable handle through a block. The mounting base is provided with a cavity. A gear ring, a gear ring shell and a shell reset element are provided in the cavity, and the gear ring is connected to the rotating shaft, and the gear ring is located in the gear ring shell, and a pawl assembly is provided in the gear ring shell, a reset block and a linkage block are provided on the gear ring shell, the shell reset element is arranged between the reset block and an inner wall of the cavity, and the linkage block extends out of the cavity to be matched with the movable handle.

Abstract: A tie plier is disclosed, including: a first support fixedly connected with a first handle; a second support rotatably connected to the first support and fixedly connected with a second handle; a first elastic member for driving the first support and the second support to reset; a feed head fixedly connected to the first support and provided with a feed groove; a fastening component provided on the second support and on a same side as the feed head, and provided with a fastening groove; a cutting groove cylindrically provided on the feed head and communicated with the feed groove; and a cutting bit which is semi-cylindrically provided in the cutting groove and is rotatable in the cutting groove. The first support is provided with a rotating shaft for controlling rotation of the cutting bit and a second elastic member for driving the rotating shaft to re set.

Abstract: A disconnect tong includes a disconnect tong body, a first clamping part and a second clamping part. The first clamping part is provided with at least two different first accommodating grooves. The second clamping part is provided with at least two different second accommodating grooves. An end of the first clamping part and an end of the second clamping part are both connected with the disconnect tong body, and a distance between the first clamping part and the second clamping part is variable.

Abstract: A plier head with good adaptability and a plier are provided. The plier head includes a left plier head and a right plier head, a left accessory and a right accessory matched with each other. The left accessory is detachably connected to the left plier head, the right accessory is detachably connected to the right plier head, and the right accessory and the left accessory cooperate with each other to form at least one cavity. At least two use states include a first state and a second state. When the plier head is in the first state or the second state, a position of the at least one cavity can be changed.

Abstract: A tie plier is disclosed, including: a first support fixedly connected with a first handle; a second support rotatably connected to the first support and fixedly connected with a second handle; a first elastic member for driving the first support and the second support to reset; a feed head fixedly connected to the first support and provided with a feed groove; a fastening component provided on the second support and on a same side as the feed head, and provided with a fastening groove; a cutting groove cylindrically provided on the feed head and communicated with the feed groove; and a cutting bit which is semi-cylindrically provided in the cutting groove and is rotatable in the cutting groove. The first support is provided with a rotating shaft for controlling rotation of the cutting bit and a second elastic member for driving the rotating shaft to reset.

Abstract: A clamping plier is disclosed, including a first and a second plier bodies. The first and the second plier bodies are connected together through a shaft, an elastic member is provided on the shaft. The first plier body includes a first handle and a first jaw and the second plier body includes a second handle and a second jaw. The first jaw is provided with a first clamping head and a first cable stripping head, and the second jaw is provided with a second clamping head and a second cable stripping head. The first crimping head and the second crimping head cooperate to form a terminal crimping position, the first and the second cable stripping heads cooperate to form a cable cutting and stripping position. The elastic member is connected between the first and the second crimping heads or between the first and the second cable stripping heads.

Abstract: A clamping plier head is provided, which is used in cooperation with a first fitting and a second fitting. The second fitting is matched with the first fitting, and the clamping plier head includes an upper head, a lower head and an elastic clamping piece. The upper head and the plier head are matched to form an accommodating cavity for accommodating the first fitting and the second fitting, and at least one of the first fitting and the second fitting is detachably clamped on an inner wall of the accommodating cavity. The elastic clamping piece, with its own resilience, fixes the fittings detachably clamped on the inner wall to the inner wall.

Abstract: A clamping plier facilitating cutting includes two heads and two handles. One of the two heads has a blade in at least one position, and the other one of the two heads has a blunt cut at a corresponding position. The two handles are respectively and integrally connected with the two heads in one-to-one correspondence, and the two heads or the two handles are rotatably connected together, so that the two heads are opened or closed by operating the two handles. When the two heads are closed, a blade of one of the two heads is attached to a plane of the blunt cut of the other one of the two heads to cut the cable. The blade of one of the two heads is easier to fit closely with the plane of the blunt cut of the other one of the two heads.

Abstract: A cutting plier and a cutting plier head are provided in this disclosure. The cutting plier includes a cutting plier body, a first cutting part, a second cutting part, an adjusting member and a hinge member. The cutting plier body includes a left handle and a right handle which are hinged with each other. The second cutting part has a shortest gap from the first cutting part and cooperates with the first cutting part to realize a cutting function. The adjusting member is configured for adjusting an amplitude of the shortest gap. One end of the first cutting part is connected with the right handle through a hinge member, and one end of the second cutting part is connected with the left handle through a hinge member.

Abstract: A plier head with good adaptability and a plier are provided. The plier head includes a left plier head and a right plier head, a left accessory and a right accessory matched with each other. The left accessory is detachably connected to the left plier head, the right accessory is detachably connected to the right plier head, and the right accessory and the left accessory cooperate with each other to form at least one cavity. At least two use states include a first state and a second state. When the plier head is in the first state or the second state, a position of the at least one cavity can be changed.

Abstract: A disconnect tong includes a disconnect tong body, a first clamping part and a second clamping part. The first clamping part is provided with at least two different first accommodating grooves. The second clamping part is provided with at least two different second accommodating grooves. An end of the first clamping part and an end of the second clamping part are both connected with the disconnect tong body, and a distance between the first clamping part and the second clamping part is variable.

Abstract: An adjusting-free clamp pliers jaw, the first and second pliers bodies rotating on the base and the first and second pliers bodies being mirror symmetrical, the clamping rim is provided on both the first and second pliers bodies, the extrusion notch is provided on both the first and second pliers bodies, the clamping rims on the first and second pliers bodies are jointly used for clamping a clamp, and the extrusion notches on the first and second pliers bodies are used for jointly pinching off the clamp. The invention brings following benefits that: the clamping rims and the extrusion notches are arranged on the first and second pliers bodies, so that a clamping and breaking of the clamp from the extrusion can are realized and both the crimping and shearing functions can be integrated together without a conversion operation, and an operation of this device is simple, convenient and quick.

Abstract: This invention provides a tool with a function of fastening and cutting a clamping band, including a left pliers head, a right pliers head and a switching structure. The right pliers head and the left pliers head cooperate with each other to fasten and cut the clamping band. The switching structure is disposed at the left pliers head and the right pliers head to adjust the distance between the left pliers head and the right pliers head when the left pliers head and the right pliers head clamp tightly. The tool with the function of fastening and cutting the clamping band provided in this invention achieves one tool with two functions.