CN219170726U

CN219170726U - Dual-purpose wrench for pipe and socket joint

Info

Publication number: CN219170726U
Application number: CN202320425104.1U
Authority: CN
Inventors: 周思彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-06-13
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the technical field of daily hardware tools, in particular to a dual-purpose wrench for a pipe and an adjustable wrench. A main chuck cavity is formed in a main chuck of the device, a die is installed in the main chuck cavity, a threaded pin of the die penetrates through an installation hole in the die and is in threaded connection with a threaded pin hole in the die on the side wall of the main chuck, a steel leaf spring is installed on a steel sheet spring seat hole in the upper portion of the die, a cam shaft seat hole is formed in the main chuck, and a cam shaft is installed on the main chuck through the cam shaft seat hole. The utility model realizes the quick conversion of the functions between the adjustable spanner and the pipe spanner according to the use requirement, and can realize the clamping and rotating operation of common pipes on the premise of meeting the functions of the original adjustable spanner.

Description

Dual-purpose wrench for pipe and socket joint

Technical field:

the utility model relates to the technical field of daily hardware tools, in particular to a dual-purpose wrench for a pipe and an adjustable wrench.

The background technology is as follows:

the adjustable wrench is a commonly used installation and repair tool, has the characteristics of simple structure, wide application range and the like, and is one of various tools which are indispensable for processing, manufacturing, maintenance and repair and household use. Because of the structural characteristics of the adjustable spanner, the adjustable spanner basically has single use function and mainly meets the disassembly function of various hexagonal screws. However, in the actual demand, whether in the installation of water heating or in daily use of family, still need to dismantle the pipe fitting in the main screw process of dismantling in many cases, under this demand, just need prepare spanner and breakout tongs and carry out work simultaneously, in order to solve this demand, there are many kinds of tools that can realize the common use of pipe activity in the present market, namely can also realize pipe clamping dismouting outside realizing loading and unloading hexagonal or symmetrical angle screw, but the common instrument of pipe activity is the main function advantage with the sacrifice monkey spanner reaches the common function of pipe activity, lose original nimble reliable convenient characteristics when causing the dismantlement screw, the conversion that has is wasted time and energy, use inconvenient when carrying out the common switching of pipe activity operating mode needs.

The utility model comprises the following steps:

the utility model aims to solve the technical problem of providing the dual-purpose wrench for the pipe, which can realize the rapid conversion of functions between the adjustable wrench and the pipe wrench according to the use requirement, can realize the clamping and rotating operation of common pipes on the premise of meeting the original functions of the adjustable wrench, can realize one-key switching of the pipe activity function in the use process, greatly saves the operation flow and time, improves the working efficiency, and brings great convenience to operators needing frequent switching between pipe activities. Overcomes the defects that the prior common tool for pipe and movable is difficult to retain the main function advantage of the adjustable spanner and the conversion between pipe and movable is inconvenient.

The technical scheme adopted by the utility model is as follows: a dual-purpose wrench for a pipe comprises a wrench handle, a main chuck and a movable chuck; the main chuck is internally provided with a main chuck cavity, a die is arranged in the main chuck cavity, a die thread pin passes through a mounting hole on the die and is in threaded connection with a die thread pin hole on the side wall of the main chuck, a steel leaf spring is arranged on a steel sheet spring seat hole on the upper part of the die, a cam shaft seat hole is arranged on the main chuck, a cam is arranged on the side wall of one side of the cam shaft, the cam is arranged between the side wall of the lower part of the die and the side wall of the main chuck cavity, a cam positioning groove is arranged on the side wall of the lower part of the die, the outer end of the cam is fixedly connected with a knob switch, the knob switch can drive the cam to rotate and then drive the cam to rotate in the direction of the cam positioning groove and can push the die to rotate around the die thread pin to stretch out of the main chuck cavity, the cam can be positioned in the cam positioning groove under the action of the elasticity of the steel sheet spring when the cam rotates to enter the cam positioning groove, the die can rotate to enter the main chuck cavity for resetting under the action of the elasticity of the steel sheet spring after the cam reversely rotates and resets, and the die enters the main chuck to be in a reset state, and the outer side of the die is flush with the main chuck when the main chuck enters the main chuck to be in a reset state.

Further, when the die rotates into the cavity of the main chuck to be in a reset state, the outer part of the die is flush with the outer edge of the main chuck, and the rear part of the die is attached to the inner wall of the cavity of the main chuck.

Further, when the cam rotates to enter the cam positioning groove, the outer edge of the upper end of the die is propped against the inner wall of the cavity of the main chuck, so that the die is limited.

Further, a positioning step is arranged on the shaft surface at the outer end of the cam shaft, the outer end of the cam shaft is inserted into a key slot at the center of the knob switch, the cam shaft is driven to rotate and position through the positioning step when the knob switch rotates, and an inner hexagon bolt penetrates through the center of the knob switch and is in threaded connection with an inner hole of the cam shaft.

Further, the cam is upwardly disposed between the lower side wall of the die and the side wall of the cavity of the main chuck in the reset state.

Further, a knob switch positioning groove is formed in the outer wall surface of the main chuck, and a knob switch part is embedded in the knob switch positioning groove.

Further, the camshaft seat hole penetrates through the main chuck cavity, one side, far away from the knob switch, of the camshaft seat hole does not penetrate through the side wall of the main chuck, one side, close to the knob switch, of the camshaft seat hole penetrates through the side wall of the main chuck, and the shape of an opening on one side, close to the knob switch, of the camshaft seat hole is the section shape of the camshaft when the cam faces downwards.

Further, one side of the screw thread pin hole of the die penetrates through the side wall of the main chuck, and the other side does not penetrate through the side wall of the main chuck.

Further, the knob switch is respectively turned ON and OFF by words, english words are turned ON and OFF, or the two colors indicate the position of the knob switch.

Further, when the cam rotates to enter the cam positioning groove, the protruding inclination angle of the die is 15 degrees, and the protruding length and the protruding angle of the die can be changed by changing the length of the cam.

The beneficial effects of the utility model are as follows:

1. the adjustable spanner is mainly characterized by mainly taking the function of the adjustable spanner and having the function of a pipe wrench, a set of auxiliary device is added in the main chuck of the adjustable spanner on the premise of not changing the structure and the function of the original adjustable spanner, and the clamping and rotating operation of common pipes is realized on the premise of completely meeting the function of the original adjustable spanner through simple control.

2. The pipe joint has the characteristics of simple structure, easy processing, convenient assembly and part replacement, can realize one-key switching of the pipe joint function in the use process, greatly saves the operation flow and time, improves the working efficiency, and brings great convenience for operators who need frequent switching between pipe joints.

Description of the drawings:

the utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the main chuck.

Fig. 3 is a schematic diagram of a specific structure of the main chuck.

Fig. 4 is a schematic diagram of a specific structure of a die.

Fig. 5 is a schematic view of die resetting in the main chuck.

Fig. 6 is a schematic view of the die protruding from the main chuck.

Fig. 7 is a front view of the main chuck.

Fig. 8 is a left side view of fig. 7.

Fig. 9 is a perspective view of the reduction of the die within the main chuck.

Fig. 10 is a perspective view of the die as it extends from the main chuck.

Fig. 11 is a schematic view of a rotary switch.

The specific embodiment is as follows:

as shown in fig. 1, 2, 3, 4, 5 and 6, a dual-purpose wrench for pipes comprises a wrench handle, a main chuck 1 and a movable chuck 2; a main chuck cavity 15 is formed in the main chuck 1, a die 5 is mounted in the main chuck cavity 15, a die screw pin 6 penetrates through a mounting hole in the die 5 and is in threaded connection with a die screw pin hole 4 in the side wall of the main chuck 1, a steel leaf spring 7 is mounted on a steel sheet spring seat hole 13 in the upper portion of the die 5, a cam shaft seat hole 8 is formed in the main chuck 1, a cam 11 is mounted on the main chuck 1 through the cam shaft seat hole 8, a cam 12 is arranged on the side wall of one side of the cam 11, the cam 12 is arranged between the side wall of the lower portion of the die 5 and the side wall of the main chuck cavity 15, a cam positioning groove 14 is formed in the side wall of the lower portion of the die 5, the outer end of the cam 11 is fixedly connected with a knob switch 3, the knob switch 3 can drive the cam 11 to rotate and then drive a cam 12 to rotate in the direction of the cam positioning groove 14, the die 5 can be pushed to extend out of the main chuck cavity 15 around the die screw pin 6 in a rotating mode, when the cam 12 rotates to enter the cam positioning groove 14, the cam 7 can be positioned in the cam positioning groove 14 under the action of elasticity, after the cam 12 reversely rotates and reset, the die 5 can enter the main chuck cavity 15 to be in a reset state of being in a flush with the main chuck cavity 15 under the action of elasticity of the spring 7, and the main chuck can enter the main chuck cavity 15 after the reset state after the cam 12 reversely rotates, and the die 5 is reset, and the main chuck is in a state of the main chuck 1 is in a state of a reset state.

As shown in fig. 9, when the die 5 rotates into the main chuck cavity 15 to be in a reset state, the outer part of the die 5 is flush with the outer edge of the main chuck 1, and the rear part of the die 5 is attached to the inner wall of the main chuck cavity 15.

The cam 12 rotates to enter the cam positioning groove 14, and the outer edge of the upper end of the die 5 abuts against the inner wall of the main chuck cavity 15 so as to limit the die 5.

The outer end of the cam shaft 11 is provided with a positioning step 10, the outer end of the cam shaft 11 is inserted into a key slot at the center of the knob switch 3, the cam shaft 11 is driven to rotate and position by the positioning step 10 when the knob switch 3 rotates, and the hexagon socket head cap bolt 9 passes through the center of the knob switch 3 to be in threaded connection with an inner hole of the cam shaft 11.

The cam 12 is arranged between the lower side wall of the die 5 and the side wall of the main chuck cavity 15 upwards in the reset state.

As shown in fig. 7 and 8, the outer wall surface of the main chuck 1 is provided with a knob switch positioning groove 16, and the knob switch 3 is partially embedded in the knob switch positioning groove 16.

As shown in fig. 7 and 8, the cam shaft seat hole 8 penetrates through the main chuck cavity 15, the side of the cam shaft seat hole 8 away from the knob switch 3 does not penetrate through the side wall of the main chuck 1, the side of the cam shaft seat hole 8 close to the knob switch 3 penetrates through the side wall of the main chuck 1, and the opening shape of the side of the cam shaft seat hole 8 close to the knob switch 3 is the section shape of the cam shaft 11 when the cam 12 is downward.

One side of the screw thread pin hole 4 of the die penetrates through the side wall of the main chuck 1, and the other side does not penetrate through the side wall of the main chuck 1.

As shown in fig. 11, the knob switch 3 is turned ON and OFF in the ON position and the OFF position by text, english words ON and OFF, or two colors.

As shown in fig. 10, the cam 12 rotates to enter the cam positioning groove 14, and the die 5 extends out to an inclination angle of 15 degrees.

When the bolt is required to be screwed, the outer part of the die 5 is flush with the outer edge of the main chuck 1, the rear part of the die 5 is attached to the inner wall of the main chuck 1, and the maximum bearing capacity is ensured, so that the wrench is identical to an ordinary adjustable wrench.

When the torsion pipe fitting needs to be clamped, the knob switch 3 is pulled from the closed position to the open position, the cam 12 pushes the die 5 to move outwards along the inclined edge of the die 5, so that the die 5 is controlled to rotate around the die threaded pin 6, the lower part of the die 5 is outwards screwed out against the elastic force of the steel leaf spring 7, when the cam 12 reaches the cam positioning groove 14, the die 5 cannot continue to move outwards because the upper part of the die 5 and the inner cavity 15 of the main clamping head have no space, the cam 12 cannot continue to move downwards at the moment, the knob switch 3 is loosened, the die 5 can be fixed in the cam positioning groove 14 by the elastic force of the steel leaf spring 7, and teeth on the die 5 are meshed with the pipe fitting at a certain angle, so that the function of the pipe wrench is realized. When the die 5 is stressed during working, the die 5 directly transmits pressure to the main chuck 1 through the cam 12 and the cam shaft 11, so that the cam shaft 11 is prevented from being subjected to shearing force, and meanwhile, the cam 12 is ensured to be positioned in the cam shaft positioning groove 14 and cannot be separated due to the fact that inward compressive stress continuously exists during working stress. After the knob switch 3 is turned to the off position, the cam 12 rotates to leave the cam positioning groove 14 and returns to the reset position, and the die 5 retracts to the reset position under the action of the steel sheet spring 7, so that one working condition cycle is realized.

In the utility model, the camshaft 11 is firstly installed and then the threading die 5 is installed during the initial installation. After the downward cam shaft 11 of the cam 12 is installed from the cam shaft seat hole 8, the cam 12 needs to be rotated up to 180 degrees to enter the working closed position, at this time, the cam 12 is located in the main chuck cavity 15, so that the cam shaft 11 cannot be longitudinally moved out of the main chuck 1 in both the open position and the closed position, and after the die 5 is installed, the cam 12 cannot return to the downward initial installation position due to the space limitation of the die 5 and the main chuck 1, so that the use reliability is ensured. The outer side of the screw thread pin hole 4 is provided with a female thread, which plays a role of connecting and fixing with the screw thread pin 6. The screw thread pin hole 4 and the cam shaft seat hole 8 on the main clamp are non-through holes, so that the reliable connection and positioning of parts are ensured, and the lowest influence on the original state and strength of the wrench is realized as much as possible. The main chuck 1 is provided with a knob switch positioning groove 16 matched with the knob switch 3, and dirt is prevented from entering the main chuck 1 while the auxiliary cam shaft 11 is positioned.

It should be understood that the foregoing detailed description of the present utility model is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present utility model, and those skilled in the art should understand that the present utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.

Claims

1. A dual-purpose wrench for pipes comprises a wrench handle, a main chuck (1) and a movable chuck (2); the method is characterized in that: a main chuck cavity (15) is formed in the main chuck (1), a die (5) is arranged in the main chuck cavity (15), a die screw pin (6) penetrates through a mounting hole in the die (5) and is in threaded connection with a die screw pin hole (4) in the side wall of the main chuck (1), a steel leaf spring (7) is arranged in a steel sheet spring seat hole (13) in the upper part of the die (5), a cam shaft seat hole (8) is formed in the main chuck (1), a cam shaft (11) is arranged on the main chuck (1) through the cam shaft seat hole (8), a cam (12) is arranged on the side wall of one side of the cam shaft (11), a cam positioning groove (14) is formed in the side wall of the lower part of the die (5), the outer end of the cam shaft (11) is fixedly connected with a knob switch (3), the rotary knob switch (3) can drive the cam (11) to rotate in a driving mode, the cam (12) to rotate, the cam (12) rotates towards the cam positioning groove (14) and can push the cam (6) to rotate around the cam positioning groove (14) to extend out of the cam (14) when the cam (12) rotates around the die screw pin (6) to extend into the main chuck cavity (14), after the cam (12) reversely rotates and resets, the die (5) can rotate to enter the main chuck cavity (15) to reset under the action of the elastic force of the steel sheet spring (7), and when the die (5) enters the main chuck cavity (15) to be in a reset state, the outer part of the die (5) is flush with the outer edge of the main chuck (1).

2. The adjustable wrench of pipe as claimed in claim 1, wherein: when the die (5) rotates to enter the main chuck cavity (15) and is in a reset state, the outer part of the die (5) is flush with the outer edge of the main chuck (1), and the rear part of the die (5) is attached to the inner wall of the main chuck cavity (15).

3. The adjustable wrench of pipe as claimed in claim 1, wherein: when the cam (12) rotates to enter the cam positioning groove (14), the outer edge of the upper end of the die (5) is propped against the inner wall of the main chuck cavity (15) so as to limit the die (5).

4. The adjustable wrench of pipe as claimed in claim 1, wherein: the outer end surface of the cam shaft (11) is provided with a positioning step (10), the outer end of the cam shaft (11) is inserted into a central key groove of the knob switch (3), the cam shaft (11) is driven to rotate and position by the positioning step (10) when the knob switch (3) rotates, and an inner hexagonal bolt (9) penetrates through the center of the knob switch (3) to be in threaded connection with an inner hole of the cam shaft (11).

5. The adjustable wrench of pipe as claimed in claim 1, wherein: the cam (12) is upward arranged between the side wall of the lower part of the die (5) and the side wall of the main chuck cavity (15) in the reset state.

6. The adjustable wrench of pipe as claimed in claim 1, wherein: the outer wall surface of the main chuck (1) is provided with a knob switch positioning groove (16), and the knob switch (3) is partially embedded in the knob switch positioning groove (16).

7. The adjustable wrench of pipe as claimed in claim 1, wherein: the camshaft seat hole (8) penetrates through the main chuck cavity (15), one side, far away from the knob switch (3), of the camshaft seat hole (8) does not penetrate through the side wall of the main chuck (1), one side, close to the knob switch (3), of the camshaft seat hole (8) penetrates through the side wall of the main chuck (1), and the shape of a hole formed in one side, close to the knob switch (3), of the camshaft seat hole (8) is the shape of the section of the camshaft (11) when the cam (12) is downwards.

8. The adjustable wrench of pipe as claimed in claim 1, wherein: one side of the screw thread pin hole (4) of the die penetrates through the side wall of the main chuck (1), and the other side of the screw thread pin hole does not penetrate through the side wall of the main chuck (1).

9. The adjustable wrench of pipe as claimed in claim 1, wherein: the knob switch (3) is respectively opened and closed by words, and English words are ON and OFF, or the two colors represent the indication positions of the knob switch.

10. The adjustable wrench of pipe as claimed in claim 1, wherein: the cam (12) rotates to enter the cam positioning groove (14), and the protruding inclination angle of the die (5) is 15 degrees.