CN215673102U - Fixed-torque safety screw - Google Patents
Fixed-torque safety screw Download PDFInfo
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- CN215673102U CN215673102U CN202121419210.6U CN202121419210U CN215673102U CN 215673102 U CN215673102 U CN 215673102U CN 202121419210 U CN202121419210 U CN 202121419210U CN 215673102 U CN215673102 U CN 215673102U
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Abstract
The utility model relates to a fixed torsion safety screw, which comprises: the screw comprises a screw body, wherein a nut is arranged on the screw body, and a locking groove is formed in the nut; set up the fixed torque force subassembly in the locking groove, decide the torque force subassembly and include: the locking torsion spring piece, the elastic locking assembly positioned on the locking torsion spring piece, the limiting spring piece for controlling the torsion of the locking torsion spring piece and the thread positioned on the screw body. When the screw driver is locked, the screw driver is placed in the locking groove, so that the screw body moves downwards to realize locking with an object; when the screw body moves downwards for a certain position, the screwdriver is replaced and placed on the fastening groove of the locking torsion elastic sheet, so that the locking torsion elastic sheet can move downwards, and the screw body and the stud body are synchronously driven to continue to be locked downwards; when the locking torsion elastic sheet moves to the position below the limiting elastic sheet, the locking block is clamped with the clamping groove, the stud body and the riveting block are riveted with each other, and the torsion reaches a stable state.
Description
Technical Field
The utility model relates to the technical field of screws, in particular to a fixed-torque safety screw.
Background
The existing screw for fastening is not provided with a corresponding overload protection structure, only fastening strength is considered, the bearing limit of equipment is not considered, and the equipment body is easy to damage. During the screwing process, only torsion can be continuously applied to lock, and if the torsion is too large, equipment is easily damaged, which is not beneficial to the production of enterprises.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides the fixed-torque safety screw which has the advantage of safety in use.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a constant-torque safety screw, comprising:
the screw comprises a screw body, wherein a nut is arranged on the screw body, and a locking groove is formed in the nut;
set up and decide the torsion subassembly in the locking groove, decide the torsion subassembly and include: the locking torsion shell fragment, be located elasticity locking subassembly on the locking torsion shell fragment and to the spacing shell fragment that controls the torsion of locking torsion shell fragment, elasticity locking subassembly includes: the locking device comprises a locking block, a clamping groove clamped with the locking block and an elastic piece connecting piece used for connecting the locking block and the clamping groove;
the stud body is arranged on the locking torsion spring plate; and the number of the first and second groups,
threads on the screw body.
When the technical scheme is realized, the screwdriver is placed in the locking groove firstly, so that the screw body moves downwards to realize locking with an object; when the screw body moves downwards for a certain position, the screwdriver is replaced and placed on the fastening groove of the locking torsion elastic sheet, so that the locking torsion elastic sheet can move downwards, and the screw body and the stud body are synchronously driven to continue to be locked downwards; when the locking torsion elastic sheet moves to the position below the limiting elastic sheet, the locking block is clamped with the clamping groove, the stud body and the riveting block are riveted with each other, the torsion reaches a stable state, and the screw body cannot be locked downwards continuously no matter how large the torsion is applied. The arrangement of the locking torsion spring plate and the limiting spring plate is adopted to control the torsion, so that the damage to an object caused by overlarge torsion is avoided; the arrangement of the stud body and the riveting block accurately realizes the control of the torque force, thereby achieving the effect of safety.
As a preferred scheme of the present invention, the locking groove is a cross groove, the locking torsion spring is slidably disposed in the locking groove, and the locking torsion spring is provided with a fastening groove.
According to the technical scheme, the fastening groove in the torsion spring plate is locked, and the torsion spring plate is locked and fixed with an object.
As a preferred scheme of the present invention, the locking block is mounted on the locking torsion spring, and the engaging groove is formed in the locking groove; one end of the elastic connecting piece is connected with the clamping groove, and the other end of the elastic connecting piece is connected with the locking block.
According to the technical scheme, the elastic connecting piece is arranged, so that the size of the torsion is controlled, and the phenomenon that the torsion is too large and an object is damaged is avoided.
As a preferable scheme of the present invention, the limiting elastic sheet is located in the locking groove and contacts with the locking torsion elastic sheet.
According to the technical scheme, the limiting elastic sheet is used for controlling the elastic force of the locking torsion elastic sheet, and then the control of the torsion is achieved.
As a preferred scheme of the present invention, the screw body is arranged in a hollow manner, and the stud body is arranged in the screw body; and a riveting block locked with the stud body is arranged in the screw body.
According to the technical scheme, the size of the torsion is further controlled through the screw body, and therefore the safe use effect is achieved.
As a preferable scheme of the present invention, the riveting block is disposed at the bottom of the screw body, and a riveting thread is disposed on the riveting block.
According to the technical scheme, the screw body and the riveting threads are mutually riveted, so that the torque force of the screw is finally controlled.
In conclusion, the utility model has the following beneficial effects:
the utility model provides a fixed torsion safety screw, which comprises: the screw comprises a screw body, wherein a nut is arranged on the screw body, and a locking groove is formed in the nut; set up and decide the torsion subassembly in the locking groove, decide the torsion subassembly and include: the locking torsion shell fragment, be located elasticity locking subassembly on the locking torsion shell fragment and to the spacing shell fragment that controls the torsion of locking torsion shell fragment, elasticity locking subassembly includes: the locking device comprises a locking block, a clamping groove clamped with the locking block and an elastic piece connecting piece used for connecting the locking block and the clamping groove; the stud body is arranged on the locking torsion spring plate; and a thread on the screw body.
When the screw driver is locked, the screw driver is placed in the locking groove, so that the screw body moves downwards to realize locking with an object; when the screw body moves downwards for a certain position, the screwdriver is replaced and placed on the fastening groove of the locking torsion elastic sheet, so that the locking torsion elastic sheet can move downwards, and the screw body and the stud body are synchronously driven to continue to be locked downwards; when the locking torsion elastic sheet moves to the position below the limiting elastic sheet, the locking block is clamped with the clamping groove, the stud body and the riveting block are riveted with each other, the torsion reaches a stable state, and the screw body cannot be locked downwards continuously no matter how large the torsion is applied. The arrangement of the locking torsion spring plate and the limiting spring plate is adopted to control the torsion, so that the damage to an object caused by overlarge torsion is avoided; the arrangement of the stud body and the riveting block accurately realizes the control of the torque force, thereby achieving the effect of safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a screw body; 2. a nut; 3. a locking groove; 4. locking the torsion spring plate; 5. a limiting elastic sheet; 6. a locking block; 7. a clamping groove; 8. an elastic member link; 9. a stud body; 10. a thread; 11. a fastening groove; 12. riveting blocks; 13. and riveting the threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A constant-torque safety screw, as shown in fig. 1, comprising: the screw comprises a screw body 1, wherein a screw cap 2 is arranged on the screw body 1, and a locking groove 3 is formed in the screw cap 2; the fixed torsion assembly is arranged in the locking groove 3 and comprises: the locking torsion spring 4, the elastic locking component positioned on the locking torsion spring 4 and the limiting spring 5 for controlling the torsion of the locking torsion spring 4.
Wherein, elasticity locking components includes: the locking device comprises a locking block 6, a clamping groove 7 clamped with the locking block 6, and an elastic piece connecting piece 8 for connecting the locking block 6 and the clamping groove 7; the stud body 9 is arranged on the locking torsion spring 4; and a thread 10 on the screw body 1.
Specifically, the locking groove 3 is a cross groove, the locking torsion spring 4 is slidably disposed in the locking groove 3, the locking torsion spring 4 is provided with a fastening groove 11, and the limiting spring 5 is disposed in the locking groove 3 and contacts with the locking torsion spring 4.
In the embodiment of the utility model, the fastening groove 11 is arranged in a cross groove manner, the initial fixation of the screw body 1 and an object is realized through the locking groove 3, the locking torsion elastic sheet 4 is driven to move downwards in the fastening groove 11 to gradually control the locking torsion, and when the locking torsion elastic sheet 4 is clamped with the limiting elastic sheet 5, the initial control of the torsion is realized.
The locking block 6 is arranged on the locking torsion spring plate 4, and the clamping groove 7 is arranged in the locking groove 3; one end of the elastic connecting piece is connected with the clamping groove 7, and the other end of the elastic connecting piece is connected with the locking block 6. When the locking block 6 on the locking torsion spring 4 is mutually locked with the clamping groove 7, the torsion is in a stable state; meanwhile, the screw body 1 cannot be locked downwards continuously, so that the torsion is prevented from being applied continuously, the object is damaged, and the service life of the product is influenced.
Further, the screw body 1 is arranged in a hollow manner, and the stud body 9 is arranged in the screw body 1; a riveting block 12 locked with the stud body 9 is arranged in the screw body 1; the riveting block 12 is disposed at the bottom of the screw body 1, and a riveting thread 1310 is disposed on the riveting block 12.
The fastening slot 11 drives the locking torsion spring 4 to move downwards, so that the stud body 9 and the riveting block 12 are locked with each other, the stud body 9 cannot move downwards continuously, and finally the torsion is in a stable state.
When in locking, the screwdriver is placed in the locking groove 3, so that the screw body 1 moves downwards to realize locking with an object; when the screw body 1 moves downwards for a certain position, the screwdriver is replaced and placed on the fastening groove 11 of the locking torsion elastic sheet 4, so that the locking torsion elastic sheet 4 can move downwards, and the screw body 1 and the stud body 9 are synchronously driven to continue to be locked downwards; when the locking torsion spring 4 moves to the lower part of the limiting spring 5, the locking block 6 is clamped with the clamping groove 7, the stud body 9 and the riveting block 12 are riveted with each other, the torsion reaches a stable state, and no matter how much torsion is applied, the screw body 1 cannot be locked downwards continuously. The arrangement of the locking torsion spring plate 4 and the limiting spring plate 5 is adopted to control the torsion, so that the damage to an object caused by overlarge torsion is avoided; the arrangement of the stud body 9 and the riveting block 12 accurately realizes the control of the torque force, thereby achieving the effect of safety.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a decide safe type screw of torsion which characterized in that includes:
the screw comprises a screw body, wherein a nut is arranged on the screw body, and a locking groove is formed in the nut;
set up and decide the torsion subassembly in the locking groove, decide the torsion subassembly and include: the locking torsion shell fragment, be located elasticity locking subassembly on the locking torsion shell fragment and to the spacing shell fragment that controls the torsion of locking torsion shell fragment, elasticity locking subassembly includes: the locking device comprises a locking block, a clamping groove clamped with the locking block and an elastic piece connecting piece used for connecting the locking block and the clamping groove;
the stud body is arranged on the locking torsion spring plate; and the number of the first and second groups,
threads on the screw body.
2. The fixed-torque safety screw according to claim 1, wherein the locking groove is a cross groove, the locking torque spring is slidably disposed in the locking groove, and a fastening groove is formed in the locking torque spring.
3. The fixed-torque safety type screw according to claim 1, wherein the locking block is mounted on the locking torque spring piece, and the engaging groove is formed in the locking groove; one end of the elastic connecting piece is connected with the clamping groove, and the other end of the elastic connecting piece is connected with the locking block.
4. The fixed-torque safety screw according to claim 3, wherein the limiting elastic sheet is located in the locking groove and is in contact with the locking torque elastic sheet.
5. The fixed-torque safety screw according to claim 1, wherein the screw body is hollow, and the stud body is disposed in the screw body; and a riveting block locked with the stud body is arranged in the screw body.
6. The fixed-torque safety screw according to claim 5, wherein the riveting block is arranged at the bottom of the screw body, and a riveting thread is arranged on the riveting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419210.6U CN215673102U (en) | 2021-06-24 | 2021-06-24 | Fixed-torque safety screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419210.6U CN215673102U (en) | 2021-06-24 | 2021-06-24 | Fixed-torque safety screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673102U true CN215673102U (en) | 2022-01-28 |
Family
ID=79976947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121419210.6U Active CN215673102U (en) | 2021-06-24 | 2021-06-24 | Fixed-torque safety screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673102U (en) |
-
2021
- 2021-06-24 CN CN202121419210.6U patent/CN215673102U/en active Active
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