CN218760832U - Special-shaped anti-theft bolt - Google Patents
Special-shaped anti-theft bolt Download PDFInfo
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- CN218760832U CN218760832U CN202223375307.9U CN202223375307U CN218760832U CN 218760832 U CN218760832 U CN 218760832U CN 202223375307 U CN202223375307 U CN 202223375307U CN 218760832 U CN218760832 U CN 218760832U
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Abstract
The utility model provides a dysmorphism theftproof bolt relates to the theftproof bolt field, include: the automobile hub mounting structure comprises a screw and an automobile hub, wherein a mounting disc is arranged at the center of the automobile hub, four mounting holes are formed in the mounting disc in a penetrating mode, and the four mounting holes are inserted with the four screws; an anti-theft cover plate with a round structure is sleeved and inserted on the special-shaped screw cap, and the anti-theft cover plate is inserted and matched with the front end opening of the mounting hole on the mounting disc; a positioning plug bush with a circular structure is arranged at the center of the hollow groove of the anti-theft cover plate, and two arc-shaped slots and two triangular slots are arranged on the circumferential inner wall of the hollow groove of the anti-theft cover plate in a surrounding manner; two arc slot and two triangle slots and two arc lugs and two triangle lug cover are inserted the cooperation, the utility model discloses a bolt wholly has triple theftproof characteristic, and the bolt makes the general instrument of adoption be difficult to light loose unloading under triple theftproof characteristic's the holding, has had the theftproof performance of preferred.
Description
Technical Field
The utility model relates to a theftproof bolt technical field, in particular to dysmorphism theftproof bolt.
Background
The hub bolt is a high-strength bolt for connecting a vehicle with a wheel, the connecting position is a hub unit bearing of the wheel, along with the development of the times, the stealing technology is more and more mature, hub bolts on the market are easy to steal, and a hub bolt on the market is easily dismounted from the hub by a sleeve, so that the wheel is stolen, and therefore a special-shaped anti-theft bolt needs to be provided to solve the problem.
The existing anti-theft bolt for fixing the automobile hub and the tire has the advantages that the anti-theft effect that the bolt is difficult to loosen and unload through a general tool is realized through a special-shaped structure on a nut, the anti-theft means is single, the nut is directly exposed in a mounting hole on the hub, the bolt is easy to loosen and unload and steal, other auxiliary anti-theft structures and means are lacked on the bolt, and the integral anti-theft performance of the bolt is not ideal.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a dysmorphism theftproof bolt to solve during the nut directly exposes in the mounting hole on the wheel hub more, comparatively easy is unloaded the theft by the pine, lacks other supplementary theftproof structure and means on the bolt in addition, causes the holistic theftproof performance less than ideal problem of bolt.
The utility model provides a dysmorphism theftproof bolt specifically includes: the automobile hub is fixedly installed with a wheel shaft through the four screw rods in a locking mode; the head ends of the four screw rods are respectively provided with a special-shaped nut, and two arc-shaped convex blocks and two triangular convex blocks are arranged on the outer ring of the circumference of the special-shaped nuts in a surrounding manner; an anti-theft cover plate with a round structure is sleeved and inserted on the special-shaped screw cap, and the anti-theft cover plate is inserted and matched with the front end opening of the mounting hole on the mounting disc; the anti-theft cover plate is hollow, a positioning plug bush with a circular structure is arranged at the center of the anti-theft cover plate hollow groove, and two arc-shaped slots and two triangular slots are arranged on the circumferential inner wall of the anti-theft cover plate hollow groove in a surrounding manner; the two arc slots and the two triangular slots are sleeved and matched with the two arc lugs and the two triangular lugs.
Furthermore, a hole groove is formed in the center of the special-shaped nut, the positioning plug bush is in plug-in fit with the hole groove, and a mounting support rod is welded in the position, close to the tail end opening, of the inside of the positioning plug bush.
Furthermore, the middle section of the installation stay bar is provided with a sliding shaft in a penetrating and sliding mode through a spring pushing device, the front end of the sliding shaft is welded with a connection frame, and four connecting rods are symmetrically and rotatably connected to the connection frame.
Furthermore, the head ends of the four connecting rods are rotatably connected with a short inserting rod, the four short inserting rods are in inserting fit with the circumferential side wall of the positioning inserting sleeve, and the head end sections of the four short inserting rods are in inserting fit with the circumferential inner wall of the hole groove.
Furthermore, an I-shaped plate is welded inside the connecting square frame, the front end of the sliding shaft is welded and fixed with the I-shaped plate, a star-shaped hole penetrates through the center of the anti-theft cover plate, and the star-shaped hole is opposite to the I-shaped plate at an inner interval and an outer interval.
Advantageous effects
The utility model discloses, two arc lugs and two triangle lugs make special-shaped nut present irregular polygon structure, special spanner that special-shaped nut need dispose just can dismantle, make the bolt have first heavy theftproof characteristic, the theftproof apron is with the front end opening shutoff of mounting hole, cause to dismantle the theftproof apron and just can implement the dismantlement to the bolt after getting off, this makes the bolt have second heavy theftproof characteristic, can implement the internal slip top through star-shaped hole and carry out the dismantlement to the theftproof apron, and the special tool that the shape special needs of star-shaped hole alternate rather than the matching just can implement the top through it to connecting the square frame and push up the dismantlement to the theftproof apron, this makes the bolt wholly have third heavy theftproof characteristic, the bolt makes to adopt general instrument to be difficult to the light pine to unload under the holding of triple theftproof characteristic, the theftproof performance of preferred has been had.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a diagram illustrating an installation and usage state of the anti-theft cover plate according to the embodiment of the present invention.
Fig. 2 is a screw detachment state diagram according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of the anti-theft cover plate according to the embodiment of the present invention.
Fig. 4 is a schematic view of a screw structure according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a half-section internal structure of the anti-theft cover plate according to the embodiment of the present invention.
Fig. 6 is a schematic diagram of a connection block structure according to an embodiment of the present invention.
List of reference numerals
1. A screw; 101. a special-shaped screw cap; 102. an arc-shaped bump; 103. a triangular bump; 104. a hole groove; 2. an anti-theft cover plate; 201. positioning the plug bush; 202. an arc slot; 203. a triangular slot; 204. installing a support rod; 205. a slide shaft; 206. connecting the frames; 207. a connecting rod; 208. a short inserted link; 3. an automobile hub; 301. and (7) mounting a disc.
Detailed Description
In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the drawings of the specific embodiments of the present invention will be combined hereinafter to clearly and completely describe the technical solution of the embodiments of the present invention.
Example (b): please refer to fig. 1 to fig. 6:
the utility model provides a special-shaped anti-theft bolt, which comprises a screw rod 1 and an automobile hub 3, wherein the center of the automobile hub 3 is provided with an installation disc 301, four installation holes are formed in the installation disc 301 in a surrounding and penetrating manner, the four installation holes are inserted with the four screw rods 1, and the automobile hub 3 is fixedly installed with a wheel shaft through the four screw rods 1; the head ends of the four screw rods 1 are respectively provided with a special-shaped nut 101, two arc-shaped convex blocks 102 and two triangular convex blocks 103 are arranged on the outer ring of the circumference of the four special-shaped nuts 101 in a surrounding mode, the two arc-shaped convex blocks 102 and the two triangular convex blocks 103 enable the special-shaped nuts 101 to be in irregular polygonal structures, the special-shaped nuts 101 can be disassembled only by being provided with special wrenches, and the bolts have the first anti-theft characteristic; the special-shaped screw cap 101 is sleeved and inserted with an anti-theft cover plate 2 with a round structure, the anti-theft cover plate 2 is in insertion fit with the front end opening of the mounting hole in the mounting disc 301, and the anti-theft cover plate 2 plugs the front end opening of the mounting hole, so that the bolt can be disassembled after the anti-theft cover plate 2 is disassembled, and the bolt has a second anti-theft characteristic; the interior of the anti-theft cover plate 2 is hollow, a positioning plug bush 201 with a circular structure is arranged at the center of a hollow groove of the anti-theft cover plate 2, and two arc-shaped slots 202 and two triangular slots 203 are arranged on the circumferential inner wall of the hollow groove of the anti-theft cover plate 2 in a surrounding manner; the two arc slots 202 and the two triangular slots 203 are in sleeve fit with the two arc lugs 102 and the two triangular lugs 103; a hole groove 104 is formed in the center of the special-shaped nut 101, the positioning plug bush 201 is in plug fit with the hole groove 104, and a mounting stay bar 204 is welded in the position, close to the tail end opening, inside the positioning plug bush 201.
The middle section of the installation support rod 204 is provided with a sliding shaft 205 in a penetrating and sliding mode through a spring pushing device, the front end of the sliding shaft 205 is welded with a connecting frame 206, the connecting frame 206 is symmetrically and rotatably connected with four connecting rods 207, the four short insertion rods 208, the four connecting rods 207 and the connecting frame 206 are connected together to form a four-crank sliding rod mechanism, and the four short insertion rods 208 can be driven to synchronously pull, insert and slide through the sliding shaft 205 sliding inside and outside the four-crank sliding rod mechanism to tighten and loosen the anti-theft cover plate 2.
The head ends of the four connecting rods 207 are rotatably connected with one short insertion rod 208, the four short insertion rods 208 are in insertion fit with the circumferential side wall of the positioning insertion sleeve 201, the head end sections of the four short insertion rods 208 are in insertion fit with the circumferential inner wall of the hole slot 104, and the four short insertion rods 208 can fixedly insert the anti-theft cover plate 2 and the special-shaped nut 101 together.
The inner welding of the connecting frame 206 is provided with an I-shaped plate, the front end of the sliding shaft 205 is welded and fixed with the I-shaped plate, the center of the anti-theft cover plate 2 is provided with a star-shaped hole in a penetrating mode, the star-shaped hole is opposite to the I-shaped plate at an inner interval and an outer interval, the connecting frame 206 can be pushed inwards to disassemble the anti-theft cover plate 2 through the star-shaped hole, the shape of the star-shaped hole is special, a special tool matched and inserted with the star-shaped hole can be used for pushing the connecting frame 206 to disassemble the anti-theft cover plate 2 through the star-shaped hole, the whole bolt has a third anti-theft characteristic, and the bolt has better anti-theft using performance under the holding of the third anti-theft characteristic.
The specific use mode and function of the embodiment are as follows: when the utility model is used, the automobile hub 3 passes through four mounting holes through four screw rods 1 and is fixedly mounted with the axle in a locking manner, and the two arc-shaped lugs 102 and the two triangular lugs 103 enable the special-shaped nut 101 to be in an irregular polygonal structure, the special-shaped nut 101 can be disassembled only by configuring a special wrench, so that the bolt has a first heavy anti-theft characteristic, the front end opening of the mounting hole is plugged by the anti-theft cover plate 2, the bolt can be disassembled only after the anti-theft cover plate 2 is disassembled, and the bolt has a second heavy anti-theft characteristic;
the four short inserted rods 208 can fixedly insert the anti-theft cover plate 2 and the special-shaped nut 101 together, the four short inserted rods 208, the four connecting rods 207 and the connecting frame 206 are connected together to form a four-crank sliding rod mechanism, the four short inserted rods 208 can be driven to synchronously slide in a pulling and inserting mode through the sliding shafts 205 sliding inside and outside the four-crank sliding rod mechanism to tighten and loosen the anti-theft cover plate 2, the connecting frame 206 can be pushed to push the anti-theft cover plate 2 to be disassembled through the star-shaped hole in an inward sliding mode, and the special tool which is matched and inserted with the star-shaped hole in shape can be used for pushing the connecting frame 206 to disassemble the anti-theft cover plate 2, so that the bolt has a third anti-theft characteristic integrally.
Claims (5)
1. A special-shaped anti-theft bolt is characterized by comprising: the automobile hub mounting structure comprises a screw (1) and an automobile hub (3), wherein a mounting disc (301) is arranged in the center of the automobile hub (3), four mounting holes are formed in the mounting disc (301) in a surrounding penetrating mode, the four mounting holes are inserted with the four screw (1), and the automobile hub (3) is fixedly mounted with an axle through the four screw (1) in a locking mode; the head ends of the four screw rods (1) are respectively provided with a special-shaped nut (101), and the outer ring of the circumference of the four special-shaped nuts (101) is provided with two arc-shaped lugs (102) and two triangular lugs (103) in a surrounding manner; an anti-theft cover plate (2) with a round structure is sleeved and inserted on the special-shaped screw cap (101), and the anti-theft cover plate (2) is inserted and matched with the front end opening of the mounting hole on the mounting disc (301); the anti-theft cover plate (2) is hollow, a positioning plug bush (201) with a circular structure is arranged at the center of a hollow groove of the anti-theft cover plate (2), and two arc-shaped slots (202) and two triangular slots (203) are arranged on the circumferential inner wall of the hollow groove of the anti-theft cover plate (2) in a surrounding manner; the two arc slots (202) and the two triangular slots (203) are in nested fit with the two arc bumps (102) and the two triangular bumps (103).
2. The special-shaped anti-theft bolt as claimed in claim 1, characterized in that: a hole groove (104) is formed in the center of the special-shaped nut (101), the positioning plug bush (201) is in plug-in fit with the hole groove (104), and a mounting support rod (204) is welded in the position, close to the tail end opening, of the inner portion of the positioning plug bush (201).
3. The special-shaped anti-theft bolt as claimed in claim 2, characterized in that: the middle section of the installation support rod (204) is provided with a sliding shaft (205) in a penetrating and sliding mode through a spring pushing device, the front end of the sliding shaft (205) is welded with a connection frame (206), and the connection frame (206) is symmetrically and rotatably connected with four connecting rods (207).
4. The special-shaped anti-theft bolt as claimed in claim 3, characterized in that: the head ends of the four connecting rods (207) are rotatably connected with a short inserting rod (208), the four short inserting rods (208) are in inserting fit with the circumferential side wall of the positioning inserting sleeve (201), and the head end sections of the four short inserting rods (208) are in inserting fit with the circumferential inner wall of the hole groove (104).
5. The special-shaped anti-theft bolt as claimed in claim 3, characterized in that: the inner welding of the connecting frame (206) is provided with an I-shaped plate, the front end of the sliding shaft (205) is welded and fixed with the I-shaped plate, the center of the anti-theft cover plate (2) is provided with a star-shaped hole in a penetrating mode, and the star-shaped hole and the I-shaped plate are opposite at the inner side and the outer side at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223375307.9U CN218760832U (en) | 2022-12-15 | 2022-12-15 | Special-shaped anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223375307.9U CN218760832U (en) | 2022-12-15 | 2022-12-15 | Special-shaped anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760832U true CN218760832U (en) | 2023-03-28 |
Family
ID=85684205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223375307.9U Active CN218760832U (en) | 2022-12-15 | 2022-12-15 | Special-shaped anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760832U (en) |
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2022
- 2022-12-15 CN CN202223375307.9U patent/CN218760832U/en active Active
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