Quick pipe wrench with labor-saving function

Abstract

The utility model discloses a quick pipe wrench with a labor-saving function, which is characterized in that the lower end of a fixed wrench body is connected with a wrench body handle, the tail part of the wrench body handle is provided with a cylindrical hole, an unlocking switch and a pressure spring are arranged in the cylindrical hole, the wrench body handle is sleeved with a lengthened sleeve, the lengthened sleeve is provided with a radial gear hole, and the unlocking switch penetrates through the lengthened sleeve to be provided with the radial gear hole. When the unlocking switch is pressed down, the lengthened sleeve can slide along the plier handle body, the length of the handle is adjusted, the movable jaw can move along the sliding groove to adjust gears, the gear shifting telescopic function of the handle part can be achieved, and the opening degree can be rapidly adjusted through gear shifting.

Description

Technical Field

[0001] The utility model relates to the technical field of manual hardware tools, in particular to a quick pipe clamp with a labor-saving function, which can save labor by extending and retracting the handle and realize a shifting function to quickly clamp workpieces, and can repeatedly and continuously and quickly ratchet workpieces such as pipe fittings, bolts, nuts and the like of different sizes. Background Art

[0002] At present, in order to clamp workpieces of different diameters, the commonly used ordinary pipe clamps need to continuously rotate the adjustment nut to change the opening size of the pipe clamp. Such operation is time-consuming and labor-intensive, greatly reducing work efficiency. In addition, the commonly used ordinary pipe clamps only have a fixed opening range and cannot clamp workpieces outside the specified range. Therefore, in actual production life, a fast pipe clamp with a labor-saving function is needed, which can not only save labor by retracting the handle, but also realize the shifting function to quickly clamp the workpiece, and can continuously and quickly ratchet workpieces such as pipes, bolts, nuts and other workpieces of different sizes to adapt to the complex and changeable actual production working environment. Summary of the invention

[0003] The utility model aims to provide a quick pipe clamp with a labor-saving function, which can not only save labor by extending and retracting the handle, but also realize the shifting function to quickly clamp the workpiece, and can continuously and quickly and repeatedly ratchet workpieces such as pipes, bolts, nuts and the like of different sizes.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme, a quick pipe clamp with a labor-saving function, including a fixed clamp body, a movable jaw, a screw, a spring, a flat-head pin shaft, a torsion spring, and a button. The fixed clamp body is provided with arc teeth on the top, the movable jaw is provided with V-shaped teeth, a pressing protrusion is provided on the back, a round hole is provided at the tail, and a torsion spring groove is provided on one side, and a spring groove is provided on the other side. The button is inserted from the round hole on one side of the torsion spring groove of the movable clamp body to fix the torsion spring in the torsion spring groove of the movable clamp body, the flat-head pin shaft is inserted from the round hole on one side of the spring groove of the movable clamp body and is riveted together with the button, and the screw is passed through The spring sheet is fixed in the spring sheet groove of the movable pliers body through a threaded connection, and the other end of the spring sheet is pressed on the end face of the flat-head pin shaft. It is characterized in that it also includes an extended sleeve, an unlocking switch, and a compression spring. The lower end of the fixed pliers body is connected to the pliers body handle, and a cylindrical hole is provided at the tail of the pliers body handle. An unlocking switch and a compression spring are provided in the cylindrical hole. An extended sleeve is mounted on the outside of the pliers body handle, and a radial gear hole is provided in the extended sleeve. The unlocking switch passes through the extended sleeve to form a radial gear hole. The extended sleeve is axially telescopically moved relative to the plate body handle. The unlocking switch is pressed and the extended sleeve can slide along the pliers handle body to adjust the length of the handle.

[0005] It also includes two round holes on the head of the fixed pliers body, a rectangular long groove in the middle of the two round holes, and the flat-head pin shaft with two diameters of thick and thin respectively passes through the round holes on both sides of the movable pliers body and is riveted together with the button. When the operator presses the button to the bottom with the thumb and then pushes it to the upper right, the quick shifting function can be realized to clamp larger workpieces.

[0006] There is a pressing protrusion on the back of the movable pliers body. When the operator presses the protrusion with his thumb and pushes down, the movable pliers body will rotate downward clockwise around the flat-head pin shaft. At this time, the torsion spring sleeved on the flat-head pin shaft will be compressed by the extrusion force. At this time, the opening size of the pipe clamp will rapidly increase to clamp workpieces of different sizes. When the pipe clamp is put on the workpiece, the operator only needs to release the thumb that applies force. At this time, the squeezed torsion spring will release the elastic force, and then drive the movable pliers body to rotate upward counterclockwise around the flat-head pin shaft. Therefore, the pipe clamp automatically clamps the workpiece and performs continuous and rapid repeated ratcheting operations.

[0007] A rubber handle is arranged on the outer wall of the extended sleeve, and the rubber handle is tightly adhered to the extended sleeve through high-frequency heating.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] The fixed pliers body is provided with two circular holes on the head, and a rectangular long groove is provided in the middle of the two circular holes. The flat-head pin shaft is provided with two sections of thick and thin diameters and is respectively inserted into the circular holes on both sides of the movable pliers body with the button and riveted together. When the operator presses the button to the bottom with the thumb and then pushes it to the upper right, the quick shifting function can be realized to clamp larger workpieces.

[0010] There is a pressing protrusion on the back of the movable pliers body. When the operator presses the protrusion with his thumb and pushes down, the movable pliers body will rotate downward clockwise around the flat-head pin shaft. At this time, the torsion spring sleeved on the flat-head pin shaft will be compressed by the extrusion force. At this time, the opening size of the pipe clamp will rapidly increase to clamp workpieces of different sizes. When the pipe clamp is put on the workpiece, the operator only needs to release the thumb that applies force. At this time, the squeezed torsion spring will release the elastic force, and then drive the movable pliers body to rotate upward counterclockwise around the flat-head pin shaft. Therefore, the pipe clamp automatically clamps the workpiece and performs continuous and rapid repeated ratcheting operations.

[0011] The handle of the fixed pliers body is provided with a cylindrical handle, and a cylindrical hole is provided at the tail of the cylindrical handle. An unlocking switch and a compression spring are provided in the cylindrical hole. An extended sleeve is mounted on the outside of the pliers body handle, and a radial gear hole is opened in the extended sleeve. The unlocking switch passes through the extended sleeve to open the radial gear hole. When the unlocking switch is pressed, the extended sleeve is axially telescopically moved relative to the plate body handle to adjust the length. When the unlocking switch is released, the switch to be unlocked passes through the radial gear hole opened in the extended sleeve and is fixed.

[0012] The rubber handle adopts a combination of hard environmentally friendly plastic PP + soft environmentally friendly plastic TPR. The advantages of this design are: the hard environmentally friendly plastic PP is tightly bonded to the extended sleeve through high-frequency heating, which not only ensures that the pulling force of the entire pipe clamp meets the requirements of various standards, but also ensures the strength requirements of the operator's grip during actual work; the surface design of the soft environmentally friendly plastic TPR adopts a honeycomb design style, which not only ensures that the operator can absorb shock and energy during use, but also ensures the anti-slip effect when holding. At the same time, the arc design of the outer contour of the soft environmentally friendly plastic TPR adopts ergonomic principles to ensure the comfort of the operator for a long time.

[0013] The utility model has a reasonable design, a simple structure, is easy to manufacture, and is convenient to use and operate, saving time and effort. The handle can be retracted to save effort, and the shifting function can be realized to quickly clamp the workpiece. Workpieces such as pipes, bolts, nuts, etc. of different sizes can be repeatedly ratcheted quickly and continuously to adapt to the complex and changeable actual production working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional exploded schematic diagram of a quick pipe clamp with a labor-saving function;

[0015] Figure 2 This is a front view of the quick pipe clamp with labor-saving function of the utility model;

[0016] Figure 3 It is a top view of the quick pipe clamp with labor-saving function of the utility model.

[0017] In the figure: 1. Fixed pliers body, 2. Movable jaws, 3. Screws, 4. Spring pieces, 5. Flat-head pin, 6. Torsion spring, 7. Button, 8. Unlocking switch, 9. Compression spring, 10. Extended sleeve, 11. Rubber handle. DETAILED DESCRIPTION

[0018] The detailed description and technical contents of the utility model are as follows, with the accompanying drawings. However, the drawings are only for reference and explanation and are not intended to be used to describe the utility model.

[0019] As attached Figures 1 to 3As shown, a quick pipe clamp with a labor-saving function comprises a fixed pliers body 1, a movable jaw 2, a screw 3, a spring 4, a flat-head pin 5, a torsion spring 6, and a button 7. The fixed pliers body 1 is provided with arc teeth on the top, the movable jaw 2 is provided with V-shaped teeth, a pressing protrusion is provided on the back, a round hole is provided at the tail, and a torsion spring groove is provided on one side, and a spring groove is provided on the other side. The button 6 is inserted from the round hole on one side of the torsion spring groove of the movable pliers body 2 to fix the torsion spring 6 in the torsion spring groove of the movable pliers body 2, the flat-head pin 5 is inserted from the round hole on one side of the spring groove of the movable pliers body 2 and is riveted together with the button 7, and the screw 3 is threadedly connected to fix the spring 4 to the movable pliers body 2 The spring piece 4 is in the spring piece groove, and the other end of the spring piece 4 is pressed on the end face of the flat-head pin shaft 5, which is characterized in that it also includes an extended sleeve 10, two unlocking switches 8, and a compression spring 9. The lower end of the fixed pliers body is connected to the pliers body handle, and a cylindrical hole is provided at the tail of the pliers body handle. Two unlocking switches 8 and a compression spring 9 are provided in the cylindrical hole. An extended sleeve 10 is sleeved on the outside of the pliers body handle, and a radial gear hole is opened in the extended sleeve 10. The two unlocking switches 8 pass through the extended sleeve 10 to open the radial gear hole. The extended sleeve 10 is axially telescopically moved relative to the pliers body handle. The two unlocking switches 8 are pressed and the extended sleeve 10 can slide along the pliers handle body to adjust the length of the handle.

[0020] It also includes two round holes on the head of the fixed pliers body 1, a rectangular long groove in the middle of the two round holes, the flat-head pin shaft 5 has two diameters of thick and thin, and is respectively inserted into the round holes on both sides of the movable pliers body 2 with the button and riveted together. When the operator presses the button 7 to the bottom with the thumb and then pushes it to the upper right, the quick shifting function can be realized to clamp larger workpieces.

[0021] A pressing protrusion is provided on the back of the movable pliers body 2. When the operator presses the protrusion with his thumb and pushes down, the movable pliers body 2 will rotate downward clockwise around the flat-head pin shaft 5. At this time, the torsion spring 6 sleeved on the flat-head pin shaft 5 will be compressed by the extrusion force. At this time, the opening size of the pipe clamp will rapidly increase to clamp workpieces of different sizes. After the pipe clamp is put on the workpiece, the operator only needs to release the thumb that applies force. At this time, the squeezed torsion spring 6 will release the elastic force, thereby driving the movable pliers body 2 to rotate upward counterclockwise around the flat-head pin shaft 5. Therefore, the pipe clamp automatically clamps the workpiece and performs continuous and rapid repeated ratcheting operations.

[0022] like Figure 2 and Figure 3 As shown: when the operator holds the two unlocking switches 8 at the same time and applies pressure at the same time, the two unlocking switches 8 compress the compression springs 9 and move along the cylindrical hole of the clamp handle body to disengage. The extension sleeve 10 can slide along the clamp handle body to adjust the handle length. The two unlocking switches 8 are released and fixed through the radial gear holes opened in the extension sleeve 10 under the action of the compression spring 9. The product has four gears at the tail, which can adjust four tail sizes.

[0023] In addition, the rubber handle 11 of the utility model adopts a combination of hard environmentally friendly plastic PP + soft environmentally friendly plastic TPR. The advantages of this design are: the hard environmentally friendly plastic PP is tightly adhered to the extended sleeve 10 through high-frequency heating, which not only ensures that the pulling force of the entire pipe clamp meets various standard requirements, but also ensures the strength requirements of the operator's grip during actual work; the surface design of the soft environmentally friendly plastic TPR adopts a honeycomb design style, which not only ensures that the operator can absorb shock and energy during use, but also ensures the anti-slip effect when holding. At the same time, the arc design of the outer contour of the soft environmentally friendly plastic TPR adopts ergonomic principles to ensure the comfort of the operator for a long time.

[0024] To sum up, the utility model has a reasonable design, a simple structure, is easy to manufacture, and is convenient to use and operate, saving time and effort. It can not only save effort by extending the handle, but also realize the shifting function to quickly clamp the workpiece. It can continuously and quickly ratchet workpieces such as pipes, bolts, nuts, etc. of different sizes to adapt to the complex and changeable actual production working environment.

[0025] The above description is only a preferred embodiment of the present utility model and is not intended to limit the patent scope of the present utility model. Other equivalent changes that apply the patent spirit of the present utility model should all fall within the patent scope of the present utility model.

Claims

1. A quick pipe clamp with a labor-saving function, comprising a fixed pliers body, a movable jaw, a screw, a spring, a flat-head pin, a torsion spring, and a button. The fixed pliers body is provided with arc teeth on the top, the movable jaw is provided with V-shaped teeth, a pressing protrusion is provided on the back, a round hole is provided on the tail, and a torsion spring groove is provided on one side, and a spring groove is provided on the other side. The button is inserted from the round hole on one side of the torsion spring groove of the movable pliers body to fix the torsion spring in the torsion spring groove of the movable pliers body, the flat-head pin is inserted from the round hole on one side of the spring groove of the movable pliers body and riveted together with the button, the screw is connected by a thread to fix the spring in the spring groove of the movable pliers body, and the other end of the spring is pressed on the end face of the flat-head pin, characterized in that: It also includes an extended sleeve, an unlocking switch, and a compression spring. The lower end of the fixed pliers body is connected to the pliers body handle. A cylindrical hole is provided at the tail of the pliers body handle. An unlocking switch and a compression spring are provided in the cylindrical hole. An extended sleeve is mounted on the outside of the pliers body handle. A radial gear hole is provided in the extended sleeve. The unlocking switch passes through the extended sleeve to provide a radial gear hole. The extended sleeve can be axially telescopically moved relative to the plate body handle. The unlocking switch can be pressed and the extended sleeve can slide along the pliers handle to adjust the length of the handle.

2. The quick pipe clamp with labor-saving function according to claim 1 is characterized in that The fixed caliper body has two round holes on its head, a rectangular long slot is arranged in the middle of the two round holes, the flat head pin shaft has two diameters, thick and thin, and the buttons are respectively inserted into the round holes on both sides of the movable caliper body and riveted together, so that gears can be shifted.

3. The quick pipe clamp with labor-saving function according to claim 1 or 2, characterized in that: A rubber handle is arranged on the outer wall of the extended sleeve, and the rubber handle is tightly adhered to the extended sleeve through high-frequency heating.

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