Multifunctional wrench for maintenance of pneumatic actuator

Abstract

The multifunctional wrench for maintaining the pneumatic actuator comprises a handle, a through groove is formed in the left side of the front face of the handle, a rotary adjusting worm is movably connected between the top and the bottom of an inner cavity of the through groove through a first bearing, and a fixed jaw is fixedly connected to the bottom of the left side of the handle. A movable jaw is arranged at the top of the fixed jaw, the right side of the movable jaw penetrates into an inner cavity of the through groove, a pipe cutter is fixedly connected to the right side of the handle, a groove is formed in the right side of the front face of the pipe cutter, and a fixed block is fixedly connected to the left side of an inner cavity of the groove. The movable plate opening is formed by the fixed jaw and the movable jaw, the size of the movable plate opening can be adjusted by rotating the adjusting worm so as to be matched with nuts of different sizes, the pipe cutter is clamped on the surface of a pipeline, the pipeline is annularly cut through the cutting knife, and therefore the purpose of multiple functions is achieved, the number of tools carried during maintenance is reduced, and the maintenance efficiency is improved. And the use of people is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of wrenches, in particular to a multifunctional wrench for maintaining a pneumatic actuator. Background Art

[0002] When thermal instrument maintenance personnel maintain pneumatic actuators, wrenches are one of the commonly used maintenance tools. When used, external force is applied to the handle along the direction of thread rotation to turn the bolts or nuts. The function is relatively simple.

[0003] For example, the utility model "A multifunctional wrench for second-hand car repair" has been disclosed, and its publication number is CN202322710488, which meets the needs of installing and removing hexagonal nuts. Another example is the utility model "A multifunctional wrench" has been disclosed, and its publication number is CN201711222874, which solves the problem of needing different tools to install and remove screws of different specifications with wrenches in daily life.

[0004] However, the above technical solution still has the problem that when thermal instrument maintenance personnel maintain pneumatic actuators, they only have the function of unscrewing or tightening screws or nuts, and the function is relatively simple. They need to carry multiple tools when working, which affects the efficiency of use and brings inconvenience to people. A multi-functional wrench for maintaining pneumatic actuators is proposed in this paper. Utility Model Content

[0005] The purpose of the utility model is to provide a multifunctional wrench for maintaining a pneumatic actuator, which has the advantage of being multifunctional.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: a pneumatic actuator maintenance multifunctional wrench, comprising a handle, a through slot is formed on the left side of the front face of the handle, a rotation adjustment worm is movably connected between the top and bottom of the inner cavity of the through slot through a first bearing, the bottom of the left side of the handle is fixedly connected to a fixed jaw, the top of the fixed jaw is provided with a movable jaw, the right side of the movable jaw passes through the inner cavity of the through slot, the right side of the handle is fixedly connected to a pipe cutter, a groove is formed on the right side of the front face of the pipe cutter, a fixed block is fixedly connected to the left side of the inner cavity of the groove, a threaded rod is threadedly connected to the right side of the pipe cutter, a movable slot is formed on the left side of the pipe cutter and the fixed block, the left side of the threaded rod passes through the inner cavity of the movable slot, a threaded sleeve is sleeved on the left side of the surface of the threaded rod, the left side of the threaded sleeve passes through the left side of the pipe cutter and is fixedly connected to a vertical plate, the front and rear sides of the left side of the vertical plate are fixedly connected to the fixed plate, and a cutting knife is fixedly connected between the two fixed plates by bolts.

[0007] As a preferred solution, the movable jaw is in contact with the rotary adjustment worm, and handle grooves are provided on the front and back sides of the handle.

[0008] As a preferred solution, the right sides of the top and bottom of the threaded sleeve are fixedly connected with sliders, and the top and bottom of the inner cavity of the movable groove are provided with sliding grooves adapted to the sliders.

[0009] As a preferred solution, the groove is communicated with the movable slot, and a threaded hole adapted to the threaded rod is provided on the right side of the pipe cutter.

[0010] As a preferred solution, a rotating head is fixedly connected to the right side of the threaded rod, and a rotating groove is provided on the surface of the rotating head.

[0011] As a preferred solution, a positioning groove is provided on the left side of the top of the pipe cutter, and a positioning wheel is movably connected between the front and rear sides of the inner cavity of the positioning groove via a second bearing.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model forms a movable plate mouth by a fixed jaw and a movable jaw. The size of the movable plate mouth can be adjusted by rotating the adjusting worm to adapt to nuts of different sizes. The pipe cutter is clamped on the surface of the pipe and the cutting knife is used to perform circular cutting on the pipe, thereby achieving the purpose of multi-function, reducing the number of tools carried during maintenance, and facilitating people's use.

[0014] 2. The present invention can limit the threaded sleeve by providing a slider and a slide groove, can ensure the normal operation of the threaded rod by providing a threaded hole, can facilitate the user to rotate the threaded rod by providing a rotating head, and can reduce the friction between the pipe cutter and the pipe surface by providing a positioning groove and a positioning wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model;

[0017] Figure 3 It is the rear view of the structure of the utility model.

[0018] In the figure: 1. Handle; 2. Through slot; 3. Rotary adjustment worm; 4. Fixed jaw; 5. Movable jaw; 6. Pipe cutter; 7. Groove; 8. Fixed block; 9. Threaded rod; 10. Movable slot; 11. Threaded sleeve; 12. Vertical plate; 13. Fixed plate; 14. Cutting knife; 15. Slider; 16. Slide; 17. Rotating head; 18. Positioning slot; 19. Positioning wheel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0021] Example 1:

[0022] See also Figure 1-Figure 3 As shown, the utility model provides a multifunctional wrench for maintaining a pneumatic actuator, comprising a handle 1, a through slot 2 being provided on the left side of the front face of the handle 1, a rotary adjustment worm 3 being movably connected between the top and bottom of the inner cavity of the through slot 2 through a first bearing, a fixed jaw 4 being fixedly connected to the bottom of the left side of the handle 1, a movable jaw 5 being provided on the top of the fixed jaw 4, the right side of the movable jaw 5 passing through the inner cavity of the through slot 2, a pipe cutter 6 being fixedly connected to the right side of the handle 1, a groove 7 being provided on the right side of the front face of the pipe cutter 6, a fixed block 8 being fixedly connected to the left side of the inner cavity of the groove 7, a threaded rod 9 being threadedly connected to the right side of the pipe cutter 6, a movable slot 10 being provided on the left side of the pipe cutter 6 and the fixed block 8, the left side of the threaded rod 9 passing through the inner cavity of the movable slot 10, a threaded sleeve 11 being sleeved on the left side of the surface of the threaded rod 9, the left side of the threaded sleeve 11 passing through the left side of the pipe cutter 6 and fixedly connected to a vertical plate 12, the front and rear sides of the left side of the vertical plate 12 being fixedly connected to fixed plates 13, a cutting knife 14 being fixedly connected between the two fixed plates 13 by bolts.

[0023] This technical solution sets up the application of a fixed jaw 4 and a pipe cutter 6. The fixed jaw 4 and the movable jaw 5 form a movable plate mouth. The size of the movable plate mouth can be adjusted by rotating the adjusting worm 3 to adapt to nuts of different sizes. The pipe cutter 6 is clamped on the surface of the pipe, and the cutting knife 14 is used to cut it in a circular manner, thereby achieving the purpose of multi-function, reducing the number of tools carried during maintenance, and facilitating people's use.

[0024] Example 2:

[0025] On the basis of embodiment 1, the present invention is as follows Figure 1-Figure 3As shown, the movable jaw 5 is in contact with the rotary adjustment worm 3, the front and back sides of the handle 1 are provided with handle grooves, the right sides of the top and bottom of the threaded sleeve 11 are fixedly connected with sliders 15, the top and bottom of the inner cavity of the movable groove 10 are provided with sliding grooves 16 adapted to the slider 15, the groove 7 is connected to the movable groove 10, and a threaded hole adapted to the threaded rod 9 is provided on the right side of the pipe cutter 6.

[0026] By adopting the above technical solution, the threaded sleeve 11 can be limited by the slider 15 and the slide groove 16, and the normal operation of the threaded rod 9 can be ensured by the threaded hole.

[0027] Example 3:

[0028] The utility model Figure 1-Figure 3 As shown, a rotating head 17 is fixedly connected to the right side of the threaded rod 9, a rotating groove is provided on the surface of the rotating head 17, a positioning groove 18 is provided on the left side of the top of the pipe cutter 6, and a positioning wheel 19 is movably connected between the front and rear sides of the inner cavity of the positioning groove 18 through a second bearing.

[0029] With the above technical solution, the rotating head 17 can facilitate the user to rotate the threaded rod 9 , and the positioning groove 18 and the positioning wheel 19 can reduce the friction between the pipe cutter 6 and the pipe surface.

[0030] The working principle of the present utility model is as follows: a movable plate mouth is formed by a fixed jaw 4 and a movable jaw 5, and the size of the movable plate mouth is adjusted by rotating the adjusting worm 3 to adapt to bolts of different sizes. The pipe is clamped in the pipe cutter 6, and the rotating head 17 is rotated. The threaded rod 9 drives the threaded sleeve rod 11 and all the structures on the threaded sleeve rod 11 to move to the left as a whole to adjust the depth of the cutting knife 14 to adapt to cutting pipes of different thicknesses. The handle 1 is rotated to perform circumferential cutting on the pipe, thereby achieving the purpose of multi-function, reducing the number of tools carried during maintenance, and facilitating people's use.

[0031] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0032] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A multifunctional wrench for maintaining a pneumatic actuator, comprising a handle (1), characterized in that: A through slot (2) is provided on the left side of the front face of the handle (1), a rotary adjustment worm (3) is movably connected between the top and bottom of the inner cavity of the through slot (2) via a first bearing, a fixed jaw (4) is fixedly connected to the bottom of the left side of the handle (1), a movable jaw (5) is provided on the top of the fixed jaw (4), the right side of the movable jaw (5) passes through the inner cavity of the through slot (2), a pipe cutter (6) is fixedly connected to the right side of the handle (1), a groove (7) is provided on the right side of the front face of the pipe cutter (6), a fixed block (8) is fixedly connected to the left side of the inner cavity of the groove (7), the The right side of the pipe cutter (6) is threadedly connected to a threaded rod (9), and the left sides of the pipe cutter (6) and the fixed block (8) are both provided with a movable groove (10). The left side of the threaded rod (9) penetrates into the inner cavity of the movable groove (10), and the left side of the surface of the threaded rod (9) is sleeved with a threaded sleeve rod (11). The left side of the threaded sleeve rod (11) penetrates into the left side of the pipe cutter (6) and is fixedly connected to a vertical plate (12). The front and rear sides of the left side of the vertical plate (12) are both fixedly connected to fixed plates (13), and a cutting knife (14) is fixedly connected between the two fixed plates (13) by bolts.

2. The multifunctional wrench for maintaining a pneumatic actuator according to claim 1, characterized in that: The movable jaw (5) is in contact with the rotary adjustment worm (3), and handle grooves are provided on the front and back sides of the handle (1).

3. The multifunctional wrench for maintaining a pneumatic actuator according to claim 1, characterized in that: The right sides of the top and bottom of the threaded sleeve (11) are fixedly connected with a slider (15), and the top and bottom of the inner cavity of the movable groove (10) are provided with a sliding groove (16) adapted to the slider (15).

4. The multifunctional wrench for maintaining a pneumatic actuator according to claim 1, characterized in that: The groove (7) is communicated with the movable groove (10), and a threaded hole adapted to the threaded rod (9) is provided on the right side of the pipe cutter (6).

5. The multifunctional wrench for maintaining a pneumatic actuator according to claim 1, characterized in that: The right side of the threaded rod (9) is fixedly connected to a rotating head (17), and a rotating groove is provided on the surface of the rotating head (17).

6. The multifunctional wrench for maintaining a pneumatic actuator according to claim 1, characterized in that: A positioning groove (18) is provided on the left side of the top of the pipe cutter (6), and a positioning wheel (19) is movably connected between the front and rear sides of the inner cavity of the positioning groove (18) via a second bearing.

Images