CN220646450U - Self-locking bolt - Google Patents
Self-locking bolt Download PDFInfo
- Publication number
- CN220646450U CN220646450U CN202322132434.4U CN202322132434U CN220646450U CN 220646450 U CN220646450 U CN 220646450U CN 202322132434 U CN202322132434 U CN 202322132434U CN 220646450 U CN220646450 U CN 220646450U
- Authority
- CN
- China
- Prior art keywords
- bolt
- screw rod
- self
- round
- round bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a self-locking bolt, which relates to the technical field of bolts and comprises a bolt top plate and a screw rod, wherein an automatic mechanism is arranged at the top of the bolt top plate, nuts are arranged on the outer side of the bottom end of the screw rod, the automatic mechanism comprises two fixing plates, the top ends of the two fixing plates are fixedly connected with the nuts, holes are formed in the bottom end surface of the screw rod, the interior of the screw rod is hollow, and round rods are arranged in the screw rod. This self-locking bolt, through the merger of screw rod and round bar, can let round bar and rubber cylinder contact together, increase the friction with the round bar through the rubber cylinder, reduce the rotation of nut, and let semicircle ring and draw-in groove merge together automatically through compressed coupling spring, link together with the round bar, prevent that the round bar from taking place to remove, lock the bolt roof voluntarily, improved work efficiency, better fixed with article.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to a self-locking bolt.
Background
And (3) a bolt: the mechanical part is matched with the cylindrical threaded fastener of the nut, in the prior art, when the screw rod and the nut are installed together, one of the screw rod or the nut is required to be rotated to be installed, but the screw rod and the nut are not automatically locked, so that the stability of connection is insufficient, and the screw rod and the nut cannot be better fixed with an article together.
For example, patent application number CN201910899069.5, the utility model discloses an anti-theft bolt, wherein a bolt body is of a T-shaped structure with a threaded connection part and a hexagonal bolt head, a plurality of locking blocks are fixedly connected in the circumferential direction of the bottom surface of the threaded connection part, the locking blocks are vertically arranged, inclined planes for deformation are arranged on the inner side end surfaces of the locking blocks, and notches for bending are arranged on the outer side surfaces of the locking blocks; the locking nut is characterized in that a blind hole is formed in the axis direction of the locking nut and is of a stepped hole structure, the blind hole comprises a threaded hole portion and a locking hole portion, the diameter of the threaded hole portion is larger than that of the locking hole portion, a frustum is arranged in the locking hole portion, the inclination angle of a conical surface in the frustum is larger than that of an inclined surface in the locking block, and a limiting boss portion is arranged on the inner circumferential wall of the locking hole portion. The utility model has simple structure, convenient manufacture and good anti-theft effect, is suitable for outdoor use, has anti-theft function, can well protect the fastened product, and can not automatically lock the screw rod and the nut when in use, so that the stability of connection is insufficient and the problem of being unable to be better fixed with articles.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a self-locking bolt, which solves the problems that the stability of connection is insufficient and the connection cannot be better fixed with an article because a screw rod and a nut are not automatically locked.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the self-locking bolt comprises a bolt top plate and a screw rod, wherein an automatic mechanism is arranged at the top of the bolt top plate, and a nut is arranged at the outer side of the bottom end of the screw rod.
The automatic mechanism comprises fixing plates, the number of the fixing plates is two, the two fixing plates are fixedly connected with nuts at the top ends, holes are formed in the bottom end surface of the screw rod, the screw rod is hollow, round rods are arranged in the screw rod, the number of the round rods is equal to that of the fixing plates, each round rod is fixedly connected with the fixing plate corresponding to the bottom, clamping grooves are formed in the top surface of each round rod, semicircular rings are arranged at the tops of the bolt top plates, and the inner walls of the semicircular rings are matched with the clamping grooves.
Preferably, the number of the clamping grooves is two, the number of each clamping groove is multiple, and the clamping grooves are arranged in a vertical collinear mode.
Preferably, a sliding rod is arranged on the outer side of each semicircular ring, and a moving block is arranged at the bottom end of the sliding rod.
Preferably, grooves are formed in the top surfaces of the bolt top plates, and guide rods are arranged in the grooves.
Preferably, the surface of the guide rod is provided with a connecting spring in a surrounding manner, and the top surface of the bolt top plate is provided with a hole groove.
Preferably, the top end of the round rod extends to the top of the bolt top plate through the hole groove, a rubber sleeve is arranged on the inner wall of the screw rod, and the rubber sleeve is in contact with the screw rod.
Advantageous effects
The utility model provides a self-locking bolt. Compared with the prior art, the method has the following beneficial effects:
1. this self-locking bolt, through the merger of screw rod and round bar, can let round bar and rubber cylinder contact together, increase the friction with the round bar through the rubber cylinder, reduce the rotation of nut, and let semicircle ring and draw-in groove merge together automatically through compressed coupling spring, link together with the round bar, prevent that the round bar from taking place to remove, lock the bolt roof voluntarily, improved work efficiency, better fixed with article.
2. According to the self-locking bolt, a plurality of vertical collinear clamping grooves are formed in each circular ring, and the positions of the circular rods can be adjusted to adapt to materials with different thicknesses, so that the applicability is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an automated mechanism according to the present utility model;
fig. 3 is a bottom view of a semicircle and motion block of the present utility model.
In the figure: 1. a bolt top plate; 2. an automatic mechanism; 201. a fixing plate; 202. a hole; 203. a round bar; 204. a semicircular ring; 205. a clamping groove; 206. a slide bar; 207. a motion block; 208. a groove; 209. a guide rod; 210. a rubber sleeve; 3. a nut; 4. a screw; 5. and a hole 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. 1-3, the present utility model provides a technical solution: the utility model provides a from locking-type bolt, includes bolt roof 1 and screw rod 4, and the top of bolt roof 1 is provided with automatic mechanism 2, and the bottom outside of screw rod 4 is provided with nut 3.
The automatic mechanism 2 comprises two fixing plates 201, the number of the fixing plates 201 is two, the top ends of the two fixing plates 201 are fixedly connected with a nut 3, a hole 202 is formed in the bottom end surface of a screw 4, the inside of the screw 4 is hollow, round rods 203 are arranged in the screw 4, the number of the round rods 203 is equal to that of the fixing plates 201, each round rod 203 is fixedly connected with the fixing plate 201 corresponding to the bottom, clamping grooves 205 are formed in the top surface of each round rod 203, semicircular rings 204 are arranged at the top of a bolt top plate 1, and the inner walls of the semicircular rings 204 are matched with the clamping grooves 205.
The outside of every semicircle 204 all is provided with slide bar 206, and slide bar 206's bottom mounting is provided with movable block 207, and bolt roof 1's top surface all is provided with recess 208, and the inside of recess 208 is provided with guide bar 209, can let movable block 207 take place to remove along guide bar 209 to extrude the connecting spring of guide bar 209 department, thereby let movable block 207 remove along recess 208.
The surface of the guide rod 209 is circumferentially provided with a connection spring, and the top surface of the bolt top plate 1 is provided with a hole groove 5, enabling the round rod 203 to extend to the upper surface of the bolt top plate 1.
The top of round bar 203 extends to the top of bolt roof 1 through hole groove 5, and the inner wall of screw rod 4 is provided with rubber sleeve 210, and rubber sleeve 210 contacts with screw rod 4, increases the friction with round bar 203 through the rubber section of thick bamboo, reduces the rotation of nut 3.
Referring to fig. 1-2, the number of the clamping grooves 205 is two, the number of each clamping groove 205 is multiple, the clamping grooves 205 are vertically arranged in a collinear manner, and the clamping grooves 205 are vertically arranged in a collinear manner through each circular ring, so that the clamping grooves can adapt to materials with different thicknesses by adjusting the positions of the circular rods 203, and the applicability is improved.
During operation, the nut 3 is positioned below the material, the fixing plate 201 and the round bar 203 which are fixedly connected with the nut 3 penetrate through the mounting holes on the surface of the material, then the bolt top plate 1 and the screw 4 are mounted, between the mounting, the two sliding rods 206 are moved, the distance between the two sliding rods 206 is enlarged, the movement of the semicircular rings 204 is driven, the semicircular rings 204 move along with the sliding rods 206 at the same time, the working efficiency is improved, the sliding rods 206 are fixedly connected with the moving block 207, the moving of the moving block 207 is driven, the guide rod 209 penetrates through the moving block 207 and the moving block 207 are movably connected, the moving block 207 can move along the guide rod 209, the connecting springs at the guide rod 209 are extruded, the moving block 207 moves along the grooves 208, the space between the two semicircular rings 204 is enlarged at the same time, the subsequent operation is facilitated, then the bolt top plate 1 and the screw 4 are simultaneously moved downwards, so that the hole 202 on the bottom surface of the screw 4 is combined with the round rod 203, the round rod 203 enters the inside of the screw 4, finally the round rod 203 penetrates through the hole groove 5 on the surface of the bolt top plate 1, the round rod 203 extends to the upper surface of the bolt top plate 1, the screw 4 is combined with the nut 3, after the combination, the inner wall of the semicircular ring 204 is aligned with one of the hole grooves 5, the sliding rod 206 is loosened, the moving block 207 can automatically move through the connecting spring in an extrusion state, the two ends of the semicircular ring 204 are contacted together, as the inner wall of the semicircular ring 204 is matched with the clamping groove 205, the cross section shape of the clamping groove 205 is circular, the inner wall of the semicircular ring 204 enters the inside of the clamping groove 205, the bolt top plate 1 and the screw 4 can be prevented from moving upwards and downwards, the bolt top plate 1 is automatically locked, so that the working efficiency is improved, and the bolt top plate is better fixed with articles.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (6)
1. The utility model provides a from locking-type bolt, includes bolt roof (1) and screw rod (4), its characterized in that: the top of the bolt top plate (1) is provided with an automatic mechanism (2), and the outer side of the bottom end of the screw rod (4) is provided with a nut (3);
the automatic mechanism (2) comprises fixing plates (201), the number of the fixing plates (201) is two, the top ends of the fixing plates (201) are fixedly connected with nuts (3), holes (202) are formed in the bottom end surfaces of the screws (4), the interiors of the screws (4) are hollow, round rods (203) are arranged in the interiors of the screws (4), the number of the round rods (203) is equal to that of the fixing plates (201), each round rod (203) is fixedly connected with the fixing plate (201) corresponding to the bottom, clamping grooves (205) are formed in the top surfaces of the round rods (203), semicircular rings (204) are formed in the tops of the bolt top plates (1), and the inner walls of the semicircular rings (204) are matched with the clamping grooves (205).
2. A self locking bolt according to claim 1, wherein: the number of the clamping grooves (205) is two, the number of each clamping groove (205) is multiple, and the clamping grooves (205) are arranged in a vertical colinear mode.
3. A self locking bolt according to claim 1, wherein: the outer side of each semicircular ring (204) is provided with a sliding rod (206), and the bottom end of the sliding rod (206) is fixedly provided with a moving block (207).
4. A self locking bolt according to claim 1, wherein: the top surfaces of the bolt top plates (1) are provided with grooves (208), and guide rods (209) are arranged in the grooves (208).
5. A self-locking bolt according to claim 4, wherein: the surface of the guide rod (209) is provided with a connecting spring in a surrounding mode, and the top surface of the bolt top plate (1) is provided with a hole groove (5).
6. A self-locking bolt according to claim 5, wherein: the top of round bar (203) extends to the top of bolt roof (1) through hole groove (5), the inner wall of screw rod (4) is provided with rubber sleeve (210), rubber sleeve (210) are contacted with screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322132434.4U CN220646450U (en) | 2023-08-09 | 2023-08-09 | Self-locking bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322132434.4U CN220646450U (en) | 2023-08-09 | 2023-08-09 | Self-locking bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646450U true CN220646450U (en) | 2024-03-22 |
Family
ID=90286431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322132434.4U Active CN220646450U (en) | 2023-08-09 | 2023-08-09 | Self-locking bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646450U (en) |
-
2023
- 2023-08-09 CN CN202322132434.4U patent/CN220646450U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201366448Y (en) | Backward cold extrusion die for rear stabilizer bar sleeve of car | |
| CN220646450U (en) | Self-locking bolt | |
| CN108869503B (en) | Anti-loosening high-strength fastener | |
| CN218082702U (en) | Combined snake-shaped arm | |
| CN215544636U (en) | Quick installation device of forging equipment mould | |
| CN113062907B (en) | Expansion fastening bolt for cork material and mounting method thereof | |
| CN216095612U (en) | Clamping mechanism | |
| CN116065722A (en) | Assembled wall module convenient to quick assembly and disassembly | |
| CN213136567U (en) | Oil seal mounting tool of transport vehicle | |
| CN212155400U (en) | Double-hexagon bolt head bolt | |
| CN114083469B (en) | Zero point locator structure for production assembly line | |
| CN111487135A (en) | Highway guardrail bolt intensity detection device that suitability is good | |
| CN220880205U (en) | Aluminum alloy profile machining die | |
| CN214444438U (en) | Return-to-zero structure adaptive to annular circulating mechanism screwed with tubular pile die closing die | |
| CN210139069U (en) | Pneumatic internal expanding type fixing mechanism | |
| CN220739997U (en) | Expansion mechanism and positioning tool | |
| CN212509150U (en) | Bolt for building with supplementary mounting structure | |
| CN220791716U (en) | Flange bolt for engine cover | |
| CN219900121U (en) | Cold heading machine is with logical device that goes out | |
| CN210547412U (en) | Stamping die convenient to change stamping die head | |
| CN220612184U (en) | Riveting pliers and combustion chamber riveting set | |
| CN215596117U (en) | Heavy-load spring positioning pin | |
| CN220532716U (en) | Automobile part processing stamping equipment | |
| CN115648286A (en) | Locking device for inspection lifting table | |
| CN214919998U (en) | Quick lifting and moving type ejection structure of automobile mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |