CN220151699U - Fastening screw - Google Patents
Fastening screw Download PDFInfo
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- CN220151699U CN220151699U CN202321446614.3U CN202321446614U CN220151699U CN 220151699 U CN220151699 U CN 220151699U CN 202321446614 U CN202321446614 U CN 202321446614U CN 220151699 U CN220151699 U CN 220151699U
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- 230000002265 prevention Effects 0.000 description 3
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- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of screws, and particularly discloses a fastening screw which comprises a first stud and a second stud which are connected, wherein a plurality of groups of connecting pieces are arranged between the first stud and the second stud; a driving assembly for driving the first stud and the second stud to be mutually far away is arranged in the first stud; the driving assembly comprises a driving column arranged in the first stud, a plurality of groups of abutting blocks are connected to the second stud in a sliding mode, and a driving piece is arranged at the bottom of the driving column. When the driving column is driven to slide downwards, the driving piece drives the multiple groups of abutting joints to slide outwards, so that the second stud is forced to slide towards one side far away from the first stud, threads on the outer side of the second stud are abutted against a product, friction force between the first stud and the second stud and between the first stud and the product is increased, loosening of the screw is further prevented, and the screw fastening device can further improve the fastening performance of the screw and is good in effect.
Description
Technical Field
The utility model relates to the technical field of screws, in particular to a fastening screw.
Background
The screw is a tool for progressively fastening a workpiece by utilizing the physical and mathematical principles of western circular rotation and friction force of an object, the screw is a general expression of a fastener, the screw is generally made of metal or plastic, is cylindrical, and is provided with concave-convex grooves on the surface, which are called threads. Screws are an indispensable industrial necessity in daily life, and can be used in various fields in life.
As known, the service cycle of the screw is longer, the screw can be generally used on the product for a longer time, and the friction force between the screw and the product can be reduced along with the increase of the service cycle, so that the screw is loosened, and the service life of the product is influenced.
Therefore, in order to improve the tightness of the screw, related patents in the prior art, such as the Chinese patent application with the application number of 202120424071.X and the grant bulletin number of CN215214326U, the patent discloses a fastening type flat head screw, and belongs to the technical field of fasteners, the fastening type flat head screw comprises a flat head, the lower end of the flat head is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a screw rod, the lower end of the flat head is fixedly connected with a spring, the spring is sheathed outside the screw rod, and oil injection holes are formed in the connecting rod and the screw rod.
In the above patent, the spring is extruded through the spring ring cushion, the spring is compressed and acts on the spring ring cushion through self rebound force, the spring ring cushion plays a role in reverse pressure, the tightness of the flat head screw is improved, and the flat head screw is prevented from loosening. However, in the above patent, the spring is located outside the screw, and the abrasion of the spring is caused as time goes by, so that the reaction to the screw is reduced, and the service life of the screw is also affected, which has a certain disadvantage.
Disclosure of Invention
The present utility model is directed to a fastening screw for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the fastening screw comprises a first stud and a second stud which are connected, wherein a plurality of groups of connecting components are arranged between the first stud and the second stud; a driving assembly for driving the first stud and the second stud to be mutually far away is arranged in the first stud; the driving assembly comprises a driving column arranged in the first stud, a plurality of groups of abutting blocks are connected to the second stud in a sliding manner, a driving piece is arranged at the bottom of the driving column, and when the first stud is fixed, the driving column is driven to slide downwards, the plurality of groups of abutting blocks are driven to slide outwards through the driving piece, so that the second stud slides to one side far away from the first stud.
Further, the driving piece comprises a supporting rod rotatably connected to the bottom of the driving column, and a limiting piece is arranged between the supporting rod and the first stud; the bottom of the supporting rod is provided with a driving block which is abutted with the plurality of groups of abutting blocks.
Further, a sliding groove is formed in the second stud, each abutting block is connected with the corresponding sliding groove in a sliding mode through a limiting block, and a reset spring is arranged between the limiting block and the corresponding sliding groove.
Further, an internal thread is arranged in the first stud, an external thread is arranged on the outer side of the driving column, and the external thread is in threaded connection with the internal thread.
Further, the connecting piece comprises a connecting rod fixedly connected to the first stud, a vertical groove is formed in the second stud, the connecting rod is connected in the vertical groove in a sliding mode, a connecting spring is arranged between the connecting rod and the vertical groove, and the elastic force of the connecting spring drives the first stud to be close to the second stud.
Further, a driving groove is formed in the top of the driving column.
Compared with the prior art, the utility model has the beneficial effects that: according to the fastening screw, through the cooperation among the first stud, the second stud, the connecting piece, the driving assembly, the driving column, the abutting blocks and the like, when the screw is actually used, namely the first stud is fixed, the driving column is driven to slide downwards, the driving piece drives the plurality of groups of abutting blocks to slide outwards, so that the second stud is forced to slide towards one side far away from the first stud, threads on the outer side of the second stud are enabled to abut against a product, friction force between the first stud, the second stud and the product is increased, the screw loosening prevention condition is further achieved, and compared with the condition that a spring is adopted in the prior art, the fastening screw disclosed by the utility model can further improve the screw fastening performance, meet working requirements, and meanwhile, the cost saving effect is achieved to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall front view structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an overall top view structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 taken along line A-A;
FIG. 4 is a schematic diagram of an internal structure of a first stud according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a driving assembly according to an embodiment of the present utility model;
fig. 6 is a schematic diagram of an enlarged structure of the area a in fig. 3.
Reference numerals illustrate: 1. a first stud; 2. a second stud; 3. a connecting piece; 31. a connecting rod; 32. a vertical groove; 33. a connecting spring; 4. a drive column; 5. an external thread; 6. an internal thread; 7. a support rod; 8. a driving block; 9. an abutment block; 10. a chute; 11. a limiting block; 12. a return spring; 13. and a driving groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: a fastening screw comprises a first stud 1 and a second stud 2 which are connected, wherein a plurality of groups of connecting components 3 are arranged between the first stud 1 and the second stud 2; a driving assembly for driving the first stud 1 and the second stud 2 to be far away from each other is arranged in the first stud 1; the driving assembly comprises a driving column 4 arranged inside the first stud 1, a plurality of groups of abutting blocks 9 are connected to the second stud 2 in a sliding manner, a driving piece is arranged at the bottom of the driving column 4, and when the first stud 1 is fixed, the driving column 4 is driven to slide downwards, the plurality of groups of abutting blocks 9 are driven to slide outwards through the driving piece, so that the second stud 2 slides to one side far away from the first stud 1.
Specifically, the fastening screw specifically comprises a first stud 1 and a second stud 2 which are connected, wherein threads are arranged on the first stud 1 and the second stud 2, a nut is arranged on the top of the first stud 1, the installation of the whole screw is facilitated, and the sizes of the first stud 1 and the second stud 2 are consistent. The conical rod is arranged at the bottom of the second stud 2, so that the screw can be conveniently installed at a given position, and the screw can be conveniently used, wherein a plurality of groups of connecting pieces 3 are arranged between the first stud 1 and the second stud 2, so that the first stud 1 and the second stud 2 can only slide and cannot rotate, and the plurality of groups of connecting pieces 3 are distributed in a circumferential array by taking the center of a first cylinder as the axis.
The driving assembly for driving the first stud 1 and the second stud 2 to be mutually far away is arranged in the first stud 1, so that when the screw is installed in a given product, the driving assembly drives the first stud 1 and the second stud 2 to be mutually far away, friction force between the first stud 1 and the product and the second stud 2 can be increased, the screw loosening prevention is further achieved, and the working requirement is met. The driving assembly comprises a driving column 4 arranged inside a first stud 1, a plurality of groups of abutting blocks 9 are connected to a second stud 2 in a sliding manner, a driving piece is arranged at the bottom of the driving column 4, after a screw is installed inside a product, namely, when the first stud 1 is fixed, the driving column 4 is driven to slide downwards, the driving piece drives the plurality of groups of abutting blocks to slide outwards, so that the second stud 2 is forced to slide backwards away from one side of the first stud 1, threads on the outer side of the second stud 2 are enabled to abut against the product, friction between the first stud 1 and the second stud 2 and the product is increased, the screw loosening prevention is further achieved, the service life of the screw is prolonged, and the working requirements are met.
In the embodiment provided by the utility model, the driving piece comprises the supporting rod 7 rotatably connected to the bottom of the driving column 4, and the limiting piece is arranged between the supporting rod 7 and the first stud 1, so that the supporting rod 7 can not rotate and can only vertically slide; the bottom of the supporting rod 7 is provided with a driving block 8, and the driving block 8 is abutted with a plurality of groups of abutting blocks 9, so that when the driving column 4 is driven to slide downwards in use, the driving column 4 is driven to slide downwards after the driving column 4 slides downwards, and when the driving block 8 slides downwards, the plurality of groups of abutting blocks 9 can be driven to slide outwards, so that the first stud 1 is separated from the second stud 2. Wherein the bottom of the driving block 8 is provided with radian, one side of the abutting block 9 is provided with a wedge-shaped groove, and the other side is provided with an inclined groove. The wedge-shaped groove is abutted with the bottom of the first stud 1, when the first stud 1 is fixed, the abutting block 9 slides, and the wedge-shaped groove on the abutting block 9 abuts against the first stud 1, so that the second stud 2 slides to the side far away from the first stud 1 after being forced. Specifically, the inclined groove is abutted with the slope on the driving block 8, so that when the driving block 8 slides downwards, the inclined groove can be abutted with the abutting block 9 to drive the abutting block 9 to slide, and the effect is good.
In the embodiment provided by the utility model, the sliding groove 10 is formed in the second stud 2, each abutting block 9 is respectively connected with the sliding groove 10 in a sliding way through the limiting block 11, so that the stability of the abutting blocks 9 in sliding can be improved, the reset spring 12 is arranged between the limiting block 11 and the sliding groove 10, and when the driving column 4 does not drive the abutting blocks 9 to abut, the reset spring 12 drives the abutting blocks 9 to reset in the process of recovering elastic deformation, so that the first stud 1 and the second stud 2 are convenient to reset, and the effect is good.
In the embodiment provided by the utility model, the first stud 1 is internally provided with the internal thread 6, the outer side of the driving column 4 is provided with the external thread 5, and the external thread 5 is in threaded connection with the internal thread 6, so that the driving column 4 rotates and slides in the first stud 1, and the driving block 8 is conveniently driven to slide, thereby meeting the working requirement.
In the embodiment provided by the utility model, the connecting piece 3 comprises the connecting rod 31 fixedly connected to the first stud 1, the second stud 2 is provided with the vertical groove 32, the connecting rod 31 is slidably connected in the vertical groove 32, therefore, when the first stud 1 rotates to the end, the second stud 2 can be driven to rotate through the connecting rod 31, wherein the connecting spring 33 is arranged between the connecting rod 31 and the vertical groove 32, the elastic force of the connecting spring 33 drives the first stud 1 to be close to the second stud 2, so that after the driving component drives the second stud 2 to be forced, when one side far from the first stud 1 slides, the connecting spring 33 is driven to pull the connecting rod 31 to slide downwards, and when the connecting rod 31 slides downwards, the first stud 1 can be pulled to have a downward sliding trend, so that a screw on the outer side of the second stud 2 can be in abutting connection with a product, and further, a larger friction force can be increased between the outer side of the second stud 2 and the product, further stability of the fastening screw can be further improved, and the loosening condition of the screw can be reduced.
In the embodiment provided by the utility model, the driving groove 13 is formed on the top of the driving column 4, so that the driving column 4 can be conveniently driven to rotate, and after the whole fastening screw is installed at a given position, the driving column 4 is completely positioned in the nut at the moment, so that the attractiveness and practicability of the screw are improved.
It should be noted that the electric equipment and the external power supply related to the utility model can be powered by the storage battery.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fastening formula screw, includes first double-screw bolt (1) and second double-screw bolt (2) that are connected, its characterized in that:
a plurality of groups of connecting components (3) are arranged between the first stud (1) and the second stud (2);
a driving assembly for driving the first stud (1) and the second stud (2) to be far away from each other is arranged in the first stud (1);
the driving assembly comprises a driving column (4) arranged in the first stud (1), a plurality of groups of abutting blocks (9) are connected to the second stud (2) in a sliding manner, and a driving piece is arranged at the bottom of the driving column (4);
when the first stud (1) is fixed, the driving column (4) is driven to slide downwards, and the plurality of groups of abutting blocks (9) are driven to slide outwards through the driving piece, so that the second stud (2) slides to the side far away from the first stud (1).
2. A fastening screw according to claim 1, wherein: the driving piece comprises a supporting rod (7) rotatably connected to the bottom of the driving column (4), and a limiting piece is arranged between the supporting rod (7) and the first stud (1);
a driving block (8) is arranged at the bottom of the supporting rod (7), and the driving block (8) is abutted with a plurality of groups of abutting blocks (9).
3. A fastening screw according to claim 2, wherein: a chute (10) is formed in the second stud (2), each abutting block (9) is connected with the chute (10) in a sliding mode through a limiting block (11), and a reset spring (12) is arranged between the limiting block (11) and the chute (10).
4. A fastening screw according to claim 2, wherein: the novel screw bolt is characterized in that an internal thread (6) is arranged in the first screw bolt (1), an external thread (5) is arranged on the outer side of the driving column (4), and the external thread (5) is in threaded connection with the internal thread (6).
5. A fastening screw as defined in claim 4, wherein: the connecting piece (3) comprises a connecting rod (31) fixedly connected to the first stud (1), a vertical groove (32) is formed in the second stud (2), the connecting rod (31) is slidably connected in the vertical groove (32), a connecting spring (33) is arranged between the connecting rod (31) and the vertical groove (32), and the elastic force of the connecting spring (33) drives the first stud (1) to be close to the second stud (2).
6. A fastening screw according to claim 1, wherein: a driving groove (13) is formed in the top of the driving column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321446614.3U CN220151699U (en) | 2023-06-08 | 2023-06-08 | Fastening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321446614.3U CN220151699U (en) | 2023-06-08 | 2023-06-08 | Fastening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151699U true CN220151699U (en) | 2023-12-08 |
Family
ID=89012202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321446614.3U Active CN220151699U (en) | 2023-06-08 | 2023-06-08 | Fastening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151699U (en) |
-
2023
- 2023-06-08 CN CN202321446614.3U patent/CN220151699U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |