Adapter for torque wrench
By designing a torque wrench conversion joint with a moving mechanism and an elastic buckle, the problem of small application scope of the conversion joint in the prior art is solved, and the stable connection of the square heads of the torque wrench of different sizes is achieved, and the scope of application is expanded.
Patent Information
- Application Number
- CN202421186897.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing torque wrench conversion joints can only be connected to one size torque wrench square head, and cannot be used for a variety of torque wrenches, and it is difficult to connect to a square head of different sizes, and the scope of application is small.
A conversion joint including square head connection block, sleeve clamping block, adjustment plate and moving mechanism is designed. The spacing of the adjustment plate is adjusted through the moving mechanism to realize the connection of square heads of torque wrenches of different sizes, using elastic snapping and resetting. Components ensure stable connections.
The scope of application of the converter joint is expanded and can be applied to torque wrench square heads of different sizes, achieving stable connection of mismatched sleeves and improving applicability.
Smart Images
Figure CN222328033U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of torque wrenches, and more specifically to a conversion joint for torque wrenches. Background Art
[0002] Torque wrench is also called electric torque wrench, torque wrench, torque adjustable wrench. It is a kind of wrench, generally divided into three categories: manual torque wrench, pneumatic torque wrench and electric torque wrench. Fixed torque wrench is widely used in assembly lines with strict requirements on tightening process, so that the torque value of each fastener of the product is consistent, and the quality of the produced products is guaranteed.
[0003] At present, torque wrenches have various sizes, and the sizes of square heads of wrenches with different torque values are also different. Generally speaking, the size of the square head of the torque wrench is designed according to the torque value. Different square heads are matched with sockets of different sizes. When encountering an unmatched socket, the square head of the torque wrench is connected to the socket through a conversion joint. However, the existing conversion joint can only be connected to a torque wrench square head of one size, and cannot be used for torque wrenches with multiple different torques. It is difficult to connect with square heads of different sizes, and the scope of application is small. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a conversion joint for a torque wrench, aiming to solve the problem that the conversion joint in the prior art can only be connected to a torque wrench square head of one size, cannot be used for a variety of torque wrenches with different torques, is difficult to connect with square heads of different sizes, and has a small scope of application.
[0006] 2. Technical solution
[0007] In order to solve the above problems, the utility model adopts the following technical solutions:
[0008] A conversion joint for a torque wrench comprises a square head connecting block, the bottom end of the square head connecting block is fixedly connected to a sleeve clamping block, the top end of the square head connecting block is cut with a square head connecting port, four adjustment plates are arranged in the square head connecting port, a moving mechanism is arranged between the four adjustment plates and the square head connecting block, the moving mechanism is used to move the four adjustment plates at the same time so that the spacing between the four adjustment plates can be adjusted.
[0009] As a preferred scheme of the utility model, the moving mechanism includes four moving grooves, the four moving grooves are all bored on the square head connecting block, the four moving grooves are all bored with through holes that communicate with the square head connecting port, the four through holes are slidably connected with inclined sliding blocks, and the close ends of the four inclined sliding blocks are respectively fixedly connected to four adjustment plates, the four moving grooves are all slidably connected with inclined pushing blocks, and the four inclined pushing blocks respectively correspond to the four inclined sliding blocks, the outer surface of the square head connecting block is threadedly connected with an adjusting sleeve, and the four inclined pushing blocks are rotatably connected to the inner surface of the adjusting sleeve, and a reset assembly is respectively arranged between the four inclined sliding blocks and the four moving grooves.
[0010] As a preferred solution of the utility model, each of the reset components includes an extrusion sheet and a spring group, the extrusion sheet is fixedly connected to the inclined sliding block, and the spring group is arranged in the moving groove corresponding to the extrusion sheet.
[0011] As a preferred solution of the utility model, a rotation groove is bored on the inner surface of the adjusting sleeve, and the ends of the four inclined push blocks away from each other are fixedly connected with a rotation block, and the four rotation blocks are rotatably connected in the rotation groove.
[0012] As a preferred solution of the utility model, the bottom ends of the four adjustment plates are all provided with limit slots.
[0013] As a preferred solution of the utility model, a blocking piece is fixedly connected to the top end of the square head connecting block, and the blocking piece is located on the upper side of the adjusting sleeve and the four inclined push blocks.
[0014] 3. Beneficial effects
[0015] Compared with the prior art, the advantages of the present invention are:
[0016] 1) In this solution, the torque wrench inserts the square head into the square head connecting port and connects the square head connecting block and the sleeve clamping block through four adjustment plates. The sleeve clamping block is connected to the sleeve that does not match the square head through an elastic buckle to achieve a conversion connection between the square head and the mismatched sleeve. In the utility model, the four adjustment plates can adjust the spacing in the square head connecting port through a moving mechanism. The adjusted four adjustment plates are suitable for torque wrench square heads of different sizes, and have a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is the front view of the utility model;
[0018] Figure 2 It is a cross-sectional view of the utility model;
[0019] Figure 3 It is an exploded view of the utility model;
[0020] Figure 4 It is a three-dimensional diagram of part of the structure of the utility model.
[0021] Description of the numbers in the figure:
[0022] 1. Square head connecting block; 2. Sleeve clamping block; 3. Square head connecting port; 4. Adjustment plate; 51. Moving groove; 52. Through hole; 53. Inclined sliding block; 54. Inclined pushing block; 55. Adjustment sleeve; 56. Reset assembly; 561. Extrusion sheet; 562. Spring assembly; 6. Rotation groove; 7. Rotation block; 8. Limiting slot; 9. Blocking sheet. DETAILED DESCRIPTION
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] Example:
[0027] See also Figure 1-4A conversion joint for a torque wrench comprises a square head connecting block 1, the bottom end of the square head connecting block 1 is fixedly connected with a sleeve clamping block 2, the top of the square head connecting block 1 is opened with a square head connecting port 3, four adjustment plates 4 are arranged in the square head connecting port 3, and a moving mechanism is arranged between the four adjustment plates 4 and the square head connecting block 1, and the moving mechanism is used to move the four adjustment plates 4 at the same time so that the spacing between the four adjustment plates 4 can be adjusted.
[0028] In this embodiment, when the conversion joint is used on a torque wrench with square heads of different sizes, the four adjustment plates 4 are moved in the square head connecting port 3 through a moving mechanism, and the four adjustment plates 4 are moved in opposite directions at the same time to adjust the spacing. The adjusted four adjustment plates 4 can be suitable for square heads of different sizes on the torque wrench. The torque wrench inserts the square head into the square head connecting port 3 to correspond to the four adjustment plates 4, and the elastic buckles in the square head pop out to the lower side of the four adjustment plates 4. The four adjustment plates 4 restrict the square head, so that the torque wrench drives the square head connecting block 1 and the sleeve clamping block 2 to rotate through the square head and the four adjustment plates 4. The sleeve clamping block 2 is connected to the sleeve through the elastic buckle, so that the sleeve twists the bolt and nut.
[0029] Specifically, the moving mechanism includes four moving grooves 51, and the four moving grooves 51 are all bored on the square head connecting block 1. The four moving grooves 51 are all bored with through holes 52 that are connected to the square head connecting port 3. The four through holes 52 are slidably connected with inclined sliding blocks 53, and the adjacent ends of the four inclined sliding blocks 53 are respectively fixedly connected to the four adjustment plates 4. The four moving grooves 51 are all slidably connected with inclined pushing blocks 54, and the four inclined pushing blocks 54 correspond to the four inclined sliding blocks 53 respectively. The outer surface of the square head connecting block 1 is threadedly connected with an adjusting sleeve 55, and the four inclined pushing blocks 54 are rotatably connected to the inner surface of the adjusting sleeve 55. Reset components 56 are respectively arranged between the four inclined sliding blocks 53 and the four moving grooves 51.
[0030] In this embodiment, when the four adjustment plates 4 are adjusted in spacing, the adjusting sleeve 55 is rotated to move downward on the surface of the square head connecting block 1, and the adjusting sleeve 55 drives the four inclined surface pushing blocks 54 to slide in the four moving grooves 51 respectively, and the four inclined surface pushing blocks 54 push the four inclined surface sliding blocks 53 to move through the inclined surfaces, and the four inclined surface sliding blocks 53 push the four adjustment plates 4 closer together through the four through holes 52, thereby reducing the spacing between the four adjustment plates 4 for a smaller torque wrench square head connection, when a larger torque wrench square head is connected, the adjusting sleeve 55 is rotated to move upward on the square head connecting block 1, and the adjusting sleeve 55 drives the four inclined surface pushing blocks 54 to move upward. After the four inclined surface pushing blocks 54 move, the four reset components 56 elastically move the four inclined surface sliding blocks 53 away from each other, and the four inclined surface sliding blocks 53 pull the four adjustment plates 4 away from each other, thereby increasing the spacing between the four adjustment plates 4 for a larger torque wrench square head connection.
[0031] Specifically, each reset assembly 56 includes a squeeze sheet 561 and a spring assembly 562 . The squeeze sheet 561 is fixedly connected to the inclined sliding block 53 , and the spring assembly 562 is disposed in the moving groove 51 corresponding to the squeeze sheet 561 .
[0032] In this embodiment, after the four inclined push blocks 54 move upward, the four spring groups 562 push the four extrusion plates 561 through their own elastic force, and the four extrusion plates 561 pull the four inclined sliding blocks 53 to move, thereby moving the four adjustment plates 4 away, making it easier for the four adjustment plates 4 to reset.
[0033] Specifically, a rotation groove 6 is formed on the inner surface of the adjusting sleeve 55 , and the ends of the four inclined surface pushing blocks 54 that are away from each other are fixedly connected with a rotation block 7 , and the four rotation blocks 7 are rotatably connected in the rotation groove 6 .
[0034] In this embodiment, the adjusting sleeve 55 can drive the four inclined push blocks 54 to move up and down in the four moving grooves 51 through the rotation connection between the rotating groove 6 and the four rotating blocks 7, so as to facilitate the adjustment of the spacing between the four adjusting plates 4.
[0035] Specifically, the bottom ends of the four adjustment plates 4 are each provided with a limit slot 8 .
[0036] In this embodiment, the four limiting slots 8 can correspond to the buckles on the square head, so that the four adjustment plates 4 can limit the square head.
[0037] Specifically, a blocking piece 9 is fixedly connected to the top end of the square head connecting block 1 , and the blocking piece 9 is located on the upper side of the adjusting sleeve 55 and the four inclined surface pushing blocks 54 .
[0038] In this embodiment, the blocking piece 9 restricts the four inclined surface pushing blocks 54 and the adjusting sleeve 55 to prevent the four inclined surface pushing blocks 54 and the adjusting sleeve 55 from falling off.
[0039] Working principle: When the conversion joint is used on torque wrenches of square heads of different sizes, the adjusting sleeve 55 is moved downward on the surface of the square head connecting block 1 by rotating the adjusting sleeve 55, and the adjusting sleeve 55 drives the four inclined surface pushing blocks 54 to slide in the four moving grooves 51 respectively, and the four inclined surface pushing blocks 54 push the four inclined surface sliding blocks 53 to move through the inclined surfaces, and the four inclined surface sliding blocks 53 push the four adjustment plates 4 to be close together through the four through holes 52, thereby reducing the distance between the four adjustment plates 4, which is suitable for square heads of smaller sizes. By rotating the adjusting sleeve 55 and moving upward on the square head connecting block 1, the adjusting sleeve 55 drives the four inclined surface pushing blocks 54 to move upward, and the four inclined surface pushing blocks 53 push the four adjustment plates 4 to be close together through the four through holes 52. After the moving block 54 moves, the four reset assemblies 56 elastically move the four inclined sliding blocks 53 away from each other, and the four inclined sliding blocks 53 pull the four adjusting plates 4 away from each other, thereby increasing the spacing between the four adjusting plates 4. For a larger torque wrench square head connection, when the torque wrench is connected to the conversion joint, the square head is inserted into the square head connecting port 3 to correspond to the four adjusting plates 4, and the elastic buckle in the square head pops out to the lower side of the four adjusting plates 4. The four adjusting plates 4 restrict the square head, so that the torque wrench drives the square head connecting block 1 and the sleeve clamping block 2 to rotate through the square head and the four adjusting plates 4. The sleeve clamping block 2 is connected to the sleeve through the elastic buckle, so that the sleeve twists the bolt and nut.
[0040] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.
Claims
1. A conversion joint for a torque wrench, comprising a square head connection block (1), characterized in that: The bottom end of the square head connection block (1) is fixedly connected to a sleeve clamping block (2), the top end of the square head connection block (1) is provided with a square head connection port (3), four adjustment plates (4) are arranged in the square head connection port (3), a moving mechanism is arranged between the four adjustment plates (4) and the square head connection block (1), and the moving mechanism is used to move the four adjustment plates (4) simultaneously so that the spacing between the four adjustment plates (4) can be adjusted.
2. A conversion joint for a torque wrench according to claim 1, characterized in that: The moving mechanism comprises four moving grooves (51), the four moving grooves (51) are all bored on the square head connecting block (1), the four moving grooves (51) are all bored with through holes (52) intersecting with the square head connecting port (3), the four through holes (52) are all slidably connected with inclined sliding blocks (53), and the adjacent ends of the four inclined sliding blocks (53) are respectively fixedly connected to four adjustment plates (4), the four moving grooves (51) are all slidably connected with inclined pushing blocks (54), and the four inclined pushing blocks (54) correspond to the four inclined sliding blocks (53), the outer surface of the square head connecting block (1) is threadedly connected with an adjusting sleeve (55), and the four inclined pushing blocks (54) are all rotatably connected to the inner surface of the adjusting sleeve (55), and reset components (56) are respectively arranged between the four inclined sliding blocks (53) and the four moving grooves (51).
3. A conversion joint for a torque wrench according to claim 2, characterized in that: Each of the reset components (56) comprises a squeeze sheet (561) and a spring group (562); the squeeze sheet (561) is fixedly connected to the inclined sliding block (53); and the spring group (562) is arranged in the movable groove (51) corresponding to the squeeze sheet (561).
4. A conversion joint for a torque wrench according to claim 3, characterized in that: A rotation groove (6) is bored on the inner surface of the adjusting sleeve (55), and the ends of the four inclined surface pushing blocks (54) that are away from each other are fixedly connected to a rotation block (7), and the four rotation blocks (7) are all rotationally connected in the rotation groove (6).
5. A conversion joint for a torque wrench according to claim 4, characterized in that: The bottom ends of the four adjustment plates (4) are each provided with a limit slot (8).
6. A conversion joint for a torque wrench according to claim 5, characterized in that: A blocking piece (9) is fixedly connected to the top end of the square head connecting block (1), and the blocking piece (9) is located on the upper side of the adjusting sleeve (55) and the four inclined surface pushing blocks (54).