CN215805668U - Bolt assembly capable of automatically clamping and preventing falling - Google Patents
Bolt assembly capable of automatically clamping and preventing falling Download PDFInfo
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- CN215805668U CN215805668U CN202122329122.3U CN202122329122U CN215805668U CN 215805668 U CN215805668 U CN 215805668U CN 202122329122 U CN202122329122 U CN 202122329122U CN 215805668 U CN215805668 U CN 215805668U
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- clamping
- bolt
- nut
- groove
- connecting elastic
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Abstract
The utility model discloses an automatic clamping anti-falling bolt assembly which comprises a bolt, a nut and a movable clamping piece, wherein the outer side part of the bolt is provided with a clamping groove along the central axis direction of the bolt, and the inner side part of the nut is provided with an installation groove along the central axis direction of the nut; the movable clamping piece comprises a first connecting elastic piece, a second connecting elastic piece, a clamping strip and a sliding block, wherein two ends of the first connecting elastic piece are respectively connected with the mounting groove and the clamping strip, two ends of the second connecting elastic piece are respectively connected with the mounting groove and the sliding block, the clamping strip can extend out of the mounting groove under the elastic driving of the first connecting elastic piece and is clamped in the clamping groove, and the sliding block can be matched with and abutted against the front of the clamping strip. The clamping strip in the mounting groove on the nut can be matched with the automatic elastic clamping to be arranged in the clamping groove on the bolt, so that the relative fixation of the bolt and the nut is realized, the relative rotation of the bolt and the nut is avoided, the structure is simple, the operation is flexible and convenient, and the practicability is higher.
Description
Technical Field
The utility model relates to the field of design and production of bolts, in particular to an automatic clamping anti-falling bolt assembly.
Background
The bolt and the nut are a connection fastening part which is matched with each other for connection and fastening, and are widely applied in the field of mechanical fittings.
The connection mode of bolt and nut is mainly through the external screw thread of bolt and the internal thread cooperation of nut soon, and the frictional force between the screw surface prevents not hard up of bolt and nut, and in practical application, because the influence of external environment, for example under the condition such as appearing vibrating, swaying, frictional force between bolt and the nut is not enough to resist external vibration power, then can appear not hard up between them. The existing bolt and nut assembly generally adopts a mode of adding a gasket between the bolt and the nut to increase the pressure when the bolt is matched with the nut, thereby increasing the friction force between the bolt and the nut and avoiding the looseness of the bolt and the nut.
Chinese patent: a locking bolt and nut (No. CN 210135160U) is disclosed, which prevents the bolt and the nut from loosening by inserting a wedge between the bolt and the nut to prevent the bolt and the nut from rotating relatively. However, the bolt and nut of this structure is inconvenient to operate in practical application, the wedge is difficult to align and insert, and the structure is complicated, and is inconvenient to take and use at any time, and the above structure needs to be further improved, so that not only can the function of preventing looseness be realized well, but also the bolt and nut can be operated and used more conveniently and practically.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an automatic clamping anti-falling bolt assembly, which mainly aims to overcome the defects and shortcomings in the prior art.
The technical scheme adopted by the utility model is as follows:
an automatic clamping and anti-falling bolt assembly comprises a bolt, a nut and a movable clamping piece, wherein the nut is matched with the bolt and is movably screwed and connected to the bolt, a clamping groove is formed in the outer side portion of the bolt along the central axis direction of the bolt, an installation groove is formed in the inner side portion of the nut along the central axis direction of the nut, and the movable clamping piece is matched and installed in the installation groove; the movable clamping piece comprises a first connecting elastic piece, a second connecting elastic piece, a clamping strip and a sliding block, wherein two ends of the first connecting elastic piece are respectively connected with the mounting groove and the clamping strip, two ends of the second connecting elastic piece are respectively connected with the mounting groove and the sliding block, the clamping strip is arranged in the clamping groove, and the elastic driving of the first connecting elastic piece can extend out of the mounting groove and is clamped in the clamping groove, and the sliding block can be matched with the sliding block to be abutted against the front of the clamping strip.
Furthermore, the front part of the sliding block is provided with an arc-shaped contact surface.
Furthermore, the joint groove has three, is "article" word form distribution setting.
Further, the first connecting elastic member and the second connecting elastic member may be any one of a spring and a torsion spring.
Furthermore, the mounting groove is of an L-shaped structure.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the utility model, through arranging the movable clamping piece, the mounting groove and the clamping groove, the clamping strip in the mounting groove on the nut can be matched with the automatic elastic clamping piece to be arranged in the clamping groove on the bolt, so that the relative fixation of the bolt and the nut is realized, the relative rotation of the bolt and the nut is avoided, the structure is simple, the operation is flexible and convenient, and the practicability is higher.
2. According to the utility model, the three clamping grooves are arranged, so that the clamping strips on the nut can be movably clamped and fixed in a matching manner with the clamping grooves, the clamping and fixing difficulty is reduced, and the operation is simpler and more convenient.
3. According to the utility model, by arranging the sliding block, the clamping strip can be conveniently controlled to extend outwards and be clamped, the use difficulty is reduced, and the convenient operation of the assembly is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic top view of the bolt of the present invention.
Fig. 3 is a schematic view of the nut of the present invention.
Fig. 4 is a schematic view of the nut in use according to the present invention.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, an automatic clamping and anti-dropping bolt assembly includes a bolt 1, a nut 2 and a movable clamping member 3, wherein the nut 2 is movably screwed to the bolt 1, a clamping groove 11 is formed in an outer side portion of the bolt 1 along a central axis direction of the bolt, an installation groove 21 is formed in an inner side portion of the nut 2 along the central axis direction of the nut, and the movable clamping member 3 is installed in the installation groove 21 in a matching manner; the movable clamping piece 3 comprises a first connecting elastic piece 31, a second connecting elastic piece 32, a clamping strip 33 and a sliding block 34, the two ends of the first connecting elastic piece 31 are respectively connected with the mounting groove 21 and the clamping strip 33, the two ends of the second connecting elastic piece 32 are respectively connected with the mounting groove 21 and the sliding block 34, the clamping strip 33 is arranged under the elastic driving of the first connecting elastic piece 31, the mounting groove 21 can extend out, the clamping is arranged in the clamping groove 11, and the sliding block 34 can be matched with and blocked in the front of the clamping strip 33.
Further, the front portion of the slide block 34 is provided with an arc-shaped contact surface.
Furthermore, there are three clamping grooves 11, which are distributed in a shape like a Chinese character 'pin'.
Further, the first and second coupling elastic members 31 and 32 are any one of a spring and a torsion spring.
Further, the mounting groove 21 has an "L" shape.
Specific uses of the utility model:
the nut is connected to the bolt in a screwing mode, the rotating angle of the nut is adjusted, the clamping groove in the bolt corresponds to the mounting groove in the nut, at the moment, the sliding block slides downwards, the sliding block in front of the clamping strip slides open, the clamping strip extends outwards under the elastic force of the first connecting elastic piece and is clamped into the clamping groove in the bolt in a sliding mode, and clamping and fixing of the bolt and the nut are achieved;
when the nut needs to be loosened, the clamping strip is pressed back to the installation groove, at the moment, the sliding block is popped up again under the elastic action of the second connecting elastic piece and is resisted in front of the clamping strip to block the clamping strip, and then the nut can be smoothly unscrewed and loosened again.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the utility model, through arranging the movable clamping piece, the mounting groove and the clamping groove, the clamping strip in the mounting groove on the nut can be matched with the automatic elastic clamping piece to be arranged in the clamping groove on the bolt, so that the relative fixation of the bolt and the nut is realized, the relative rotation of the bolt and the nut is avoided, the structure is simple, the operation is flexible and convenient, and the practicability is higher.
2. According to the utility model, the three clamping grooves are arranged, so that the clamping strips on the nut can be movably clamped and fixed in a matching manner with the clamping grooves, the clamping and fixing difficulty is reduced, and the operation is simpler and more convenient.
3. According to the utility model, by arranging the sliding block, the clamping strip can be conveniently controlled to extend outwards and be clamped, the use difficulty is reduced, and the convenient operation of the assembly is improved.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using this concept shall fall within the scope of infringing the present invention.
Claims (5)
1. The utility model provides an automatic bolt assembly of anticreep is established to card which characterized in that: the bolt comprises a bolt, a nut and a movable clamping piece, wherein the nut is matched, movably screwed and connected on the bolt, a clamping groove is formed in the outer side part of the bolt along the central axis direction of the bolt, an installation groove is formed in the inner side part of the nut along the central axis direction of the nut, and the movable clamping piece is matched and installed in the installation groove; the movable clamping piece comprises a first connecting elastic piece, a second connecting elastic piece, a clamping strip and a sliding block, wherein two ends of the first connecting elastic piece are respectively connected with the mounting groove and the clamping strip, two ends of the second connecting elastic piece are respectively connected with the mounting groove and the sliding block, the clamping strip is arranged in the clamping groove, and the elastic driving of the first connecting elastic piece can extend out of the mounting groove and is clamped in the clamping groove, and the sliding block can be matched with the sliding block to be abutted against the front of the clamping strip.
2. The automatic clamping and anti-dropping bolt assembly according to claim 1, characterized in that: the front part of the sliding block is provided with an arc-shaped contact surface.
3. The automatic clamping and anti-dropping bolt assembly according to claim 1, characterized in that: the joint groove has three, is "article" word form distribution setting.
4. The automatic clamping and anti-dropping bolt assembly according to claim 1, characterized in that: the first connecting elastic member and the second connecting elastic member are any one of a spring and a torsion spring.
5. The automatic clamping and anti-dropping bolt assembly according to claim 1, characterized in that: the mounting groove is of an L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122329122.3U CN215805668U (en) | 2021-09-26 | 2021-09-26 | Bolt assembly capable of automatically clamping and preventing falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122329122.3U CN215805668U (en) | 2021-09-26 | 2021-09-26 | Bolt assembly capable of automatically clamping and preventing falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805668U true CN215805668U (en) | 2022-02-11 |
Family
ID=80166441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122329122.3U Active CN215805668U (en) | 2021-09-26 | 2021-09-26 | Bolt assembly capable of automatically clamping and preventing falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805668U (en) |
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2021
- 2021-09-26 CN CN202122329122.3U patent/CN215805668U/en active Active
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