CN219854305U - Torque force adjustable spanner - Google Patents
Torque force adjustable spanner Download PDFInfo
- Publication number
- CN219854305U CN219854305U CN202320649493.6U CN202320649493U CN219854305U CN 219854305 U CN219854305 U CN 219854305U CN 202320649493 U CN202320649493 U CN 202320649493U CN 219854305 U CN219854305 U CN 219854305U
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- Prior art keywords
- post
- spring
- connecting rod
- middle shell
- interlock
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a torque adjustable wrench, comprising: the middle shell, the screw thread piece, the connecting rod, the spring, first interlock post and second interlock post, screw thread piece, the spring, first interlock post and second interlock post are in the middle shell from top to bottom distributes in proper order along its axial in the middle shell, and screw thread piece can rotate in the middle shell, first interlock post and middle shell sliding connection, second interlock post and first interlock post interlock, the both ends of spring offset with screw thread piece and first interlock post respectively, the connecting rod is vertical to be set up in the middle shell, its upper end and screw thread piece threaded connection, its lower extreme is connected with the second interlock post, screw thread piece can rotate and promote compression and relaxation spring in the middle shell under the exogenic action. According to the utility model, the threaded piece is enabled to move up and down on the connecting rod relative to the middle shell by rotating the threaded piece, so that the compression and the relaxation of the spring are realized, the pretightening force of the spring is regulated, and the regulation of the maximum torque when the wrench is used is realized.
Description
Technical Field
The present utility model relates to spanner; spanner technical field, concretely relates to torsion adjustable spanner.
Background
The utility model patent with the bulletin number of CN216152222U discloses a bidirectional linkage torque wrench, which comprises a middle shell, wherein the inner side of the upper end of the middle shell is clamped with a sealing cover, the lower side of the sealing cover is clamped with a fixing shell, the inside of the fixing shell is provided with a pressing rod, the outer side of the pressing rod is sleeved with a spring, the bottom end of the fixing shell is sleeved with a first engagement column, one side of the first engagement column is connected with a second engagement column in an engaged manner, the bottom end of the pressing rod is connected with one end of a transmission block in a fitting manner, a magnet is arranged in the transmission block and is used for magnetically connecting a screwdriver, the screwdriver stretches out of the lower cover, the top end of the pressing rod is inserted into the sealing cover, the inside of the middle shell is provided with a mounting hole, and the fixing shell is placed in the mounting hole. When the wrench is used, the upper cover is rotated to drive the first engagement column so as to drive the screwdriver to rotate, and when the torque of the screwdriver during rotation is larger than the engagement force between the first engagement column and the second engagement column, the first engagement column overcomes the elastic tension of the spring to move upwards so that the first engagement column rotates relative to the second engagement column, so that the surface of the screw is prevented from being scratched due to overlarge torque, and the screw is prevented from being damaged.
The spring is clamped between the positioning block and the sealing cover, the pretightening force of the spring is fixed, and the maximum torque of the screwdriver is fixed and not adjustable.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a torque-adjustable wrench, which adopts the following technical scheme:
a torque adjustable wrench, comprising: the connecting rod is vertically arranged in the middle shell, the upper end of the connecting rod is in threaded connection with the threaded piece, the lower end of the connecting rod is connected with the second biting column, and the threaded piece can rotate in the middle shell under the action of external force and push the spring to compress and relax.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the screw thread piece is provided with screw holes which are coaxially distributed with the middle shell, the section of the connecting rod is polygonal, the upper end of the connecting rod is provided with a screw thread section, and the screw thread section stretches into and is screwed into the screw holes.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the spring is characterized by further comprising an abutting piece, wherein the abutting piece is arranged between the upper end of the spring and the threaded piece, the abutting piece is in sliding connection with the middle shell and can slide along the axial direction of the middle shell, and the upper end of the spring abuts against the abutting piece.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the inner wall of the middle shell is provided with a plurality of axially distributed guide sliding grooves, the guide sliding grooves are distributed along the circumferential direction of the middle shell at intervals, the outer wall of the abutting part is provided with guide sliding blocks matched with the guide sliding grooves, and the abutting part is arranged in the middle shell and the guide sliding blocks extend into the guide sliding grooves respectively.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the outer wall of the first occluding column is provided with a plurality of sliding strips matched with the sliding guide grooves, and the sliding strips respectively extend into the sliding guide grooves and can slide in the sliding guide grooves.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the second interlock post is provided with a through hole which vertically penetrates through the second interlock post and is matched with the shape of the connecting rod, the inner wall of the through hole is provided with a first limit structure, the outer wall of the connecting rod is provided with a second limit structure which is matched with the first limit structure, and the connecting rod is inserted into the through hole and is connected with the second interlock post through the second limit structure and the first limit structure.
The utility model has the beneficial effects that:
according to the utility model, the threaded piece is enabled to move up and down on the connecting rod relative to the middle shell by rotating the threaded piece, so that the compression and the relaxation of the spring are realized, the pretightening force of the spring is regulated, and the regulation of the maximum torque when the wrench is used is realized.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a torque adjustable wrench according to an embodiment of the present utility model;
FIG. 2 is an exploded view of a torque adjustable wrench according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a torque adjustable wrench according to an embodiment of the present utility model;
fig. 4 is a cross-sectional exploded view of a torque adjustable wrench according to an embodiment of the present utility model.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1-4, an embodiment of the present utility model is provided, in which a torque adjustable wrench includes: the novel middle shell comprises a middle shell body 1, a threaded piece 2, a connecting rod 3, a spring 4, a first occluding column 5 and a second occluding column 6, wherein the threaded piece 2, the spring 4, the first occluding column 5 and the second occluding column 6 are sequentially distributed in the middle shell body 1 at intervals from top to bottom along the axial direction of the threaded piece, the threaded piece 2 can rotate in the middle shell body 1, the first occluding column 5 is in sliding connection with the middle shell body 1, the second occluding column 6 is in occluding connection with the first occluding column 5, two ends of the spring 4 respectively abut against the threaded piece 2 and the first occluding column 5, the connecting rod 3 is vertically arranged in the middle shell body 1, the upper end of the connecting rod is in threaded connection with the threaded piece 2, the lower end of the connecting rod is connected with the second occluding column 6, and the threaded piece 2 can rotate in the middle shell body 1 under the action of external force and push to compress and relax the spring 4.
The middle shell 1 of this embodiment includes guiding cylinder and end cover, guiding cylinder vertical setting, the end cover is installed on the guiding cylinder and is formed middle shell 1, be equipped with the mounting hole on the end cover, screw 2 sets up in the mounting hole and can be in the mounting hole internal rotation.
Referring to the drawings, the screw member 2 is provided with a threaded hole 21 penetrating therethrough vertically, the cross section of the connecting rod 3 is polygonal, the upper end of the connecting rod 3 is provided with a threaded section 31, and the threaded section 31 extends into and is screwed into the threaded hole 21 to be in threaded connection with the screw member 2.
When the torque adjustable wrench of the present embodiment is used, the middle shell 1 is rotated to drive the second engaging post 6, the first engaging post 5 and the connecting rod 3 to rotate synchronously, when the torque of the screwdriver exceeds the maximum torque, the second engaging post 6 pushes the first engaging post 5 to slide upwards against the elastic tension of the spring 4, and the second engaging post 6 rotates relative to the first engaging post 5.
When the maximum torque force needs to be adjusted, the threaded piece 2 is rotated to enable the threaded piece 2 to move up and down on the connecting rod 3 relative to the middle shell 1, so that compression and relaxation of the spring 4 are achieved to adjust the compression degree of the spring 4, the elastic tension force of the spring 4 needs to be overcome when the second engagement post 6 rotates relative to the first engagement post 5, and the maximum torque force is adjusted when a spanner is used.
The upper end of the spring 4 is abutted against the screw 2 indirectly or directly, and preferably, the screw further comprises an abutting piece 7, wherein the abutting piece 7 is arranged between the upper end of the spring 4 and the screw 2, the abutting piece 7 is in sliding connection with the middle shell 1 and can slide along the axial direction of the middle shell 1, and the upper end of the spring 4 is abutted against the abutting piece 7, so that the screw 2 can rotate conveniently.
In this embodiment, a plurality of axially distributed guide sliding grooves 11 are formed in the inner wall of the middle shell 1, and a plurality of guide sliding grooves 11 are distributed along the circumferential direction of the middle shell 1 at intervals, a plurality of matched guide sliding blocks 71 of the guide sliding grooves 11 are arranged on the outer wall of the abutting piece 7, the abutting piece 7 is arranged in the middle shell 1, and a plurality of the guide sliding blocks 71 respectively extend into a plurality of guide sliding grooves 11, so that sliding connection between the abutting piece 7 and the middle shell 1 is realized.
Further, the outer wall of the first engaging post 5 is provided with a sliding strip 51 matched with a plurality of sliding guide grooves 11, and the sliding strips 51 respectively extend into the sliding guide grooves 11 and can slide in the sliding guide grooves, so that the sliding connection between the first engaging post 5 and the middle shell 1 is realized.
In this embodiment, the second engaging post 6 is provided with a through hole vertically penetrating through the second engaging post and matching with the shape of the connecting rod 3, a first limit structure 61 is arranged on the inner wall of the through hole, a second limit structure 32 matching with the first limit structure 61 is arranged on the outer wall of the connecting rod 3, and the connecting rod 3 is inserted into the through hole and connected with the second engaging post 6 through the second limit structure 32 and the first limit structure 61, so that the connecting rod 3 and the second engaging post 6 can synchronously rotate.
The first limiting structure 61 may be a limiting groove, and correspondingly, the second limiting structure 32 is a limiting protrusion.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (6)
1. A torque adjustable wrench, comprising: well shell (1), screw (2), connecting rod (3), spring (4), first interlock post (5) and second interlock post (6), screw (2), spring (4), first interlock post (5) and second interlock post (6) are in well shell (1) along its axial from top to bottom distributes in proper order, just screw (2) can be in well shell (1) internal rotation, first interlock post (5) with well shell (1) sliding connection, second interlock post (6) with first interlock post (5) interlock, both ends of spring (4) respectively with screw (2) and first interlock post (5), connecting rod (3) vertical setting is in well shell (1), its upper end with screw (2) threaded connection, its lower extreme with second post (6) are connected, screw (2) can under the effect in well shell (1) rotation and loosen spring (4).
2. The torque adjustable wrench as claimed in claim 1, wherein the threaded member (2) is provided with threaded holes (21) coaxially distributed with the middle shell (1), the cross section of the connecting rod (3) is polygonal, the upper end of the connecting rod (3) is provided with a threaded section (31), and the threaded section (31) extends into and is screwed into the threaded holes (21).
3. The torque adjustable wrench as claimed in claim 1, further comprising an abutment member (7), wherein the abutment member (7) is disposed between an upper end of the spring (4) and the screw member (2), and wherein the abutment member (7) is slidably connected to the middle housing (1) and is slidable in an axial direction of the middle housing (1), and wherein an upper end of the spring (4) abuts against the abutment member (7).
4. The torque adjustable wrench as claimed in claim 3, wherein a plurality of axially distributed guide grooves (11) are formed in the inner wall of the middle shell (1), the guide grooves (11) are circumferentially spaced along the middle shell (1), matched guide blocks (71) with the guide grooves (11) are arranged on the outer wall of the abutting piece (7), the abutting piece (7) is arranged in the middle shell (1), and the guide blocks (71) extend into the guide grooves (11) respectively.
5. The torque adjustable wrench as claimed in claim 4, wherein the outer wall of the first engagement post (5) is provided with a plurality of sliding strips (51) matched with the plurality of sliding guide grooves (11), and the plurality of sliding strips (51) respectively extend into the sliding guide grooves (11) and can slide in the sliding guide grooves.
6. The torque adjustable wrench as claimed in claim 1, wherein the second engagement post (6) is provided with a through hole vertically penetrating the second engagement post and matching the shape of the connecting rod (3), a first limit structure (61) is provided on an inner wall of the through hole, a second limit structure (32) matching the first limit structure (61) is provided on an outer wall of the connecting rod (3), and the connecting rod (3) is inserted into the through hole and connected with the second engagement post (6) through the second limit structure (32) and the first limit structure (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649493.6U CN219854305U (en) | 2023-03-28 | 2023-03-28 | Torque force adjustable spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649493.6U CN219854305U (en) | 2023-03-28 | 2023-03-28 | Torque force adjustable spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219854305U true CN219854305U (en) | 2023-10-20 |
Family
ID=88325859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320649493.6U Active CN219854305U (en) | 2023-03-28 | 2023-03-28 | Torque force adjustable spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219854305U (en) |
-
2023
- 2023-03-28 CN CN202320649493.6U patent/CN219854305U/en active Active
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