CN219197856U - Ratchet type anti-theft screw - Google Patents
Ratchet type anti-theft screw Download PDFInfo
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- CN219197856U CN219197856U CN202320148464.1U CN202320148464U CN219197856U CN 219197856 U CN219197856 U CN 219197856U CN 202320148464 U CN202320148464 U CN 202320148464U CN 219197856 U CN219197856 U CN 219197856U
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- ratchet
- theft
- dish
- hexagonal
- disc
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Abstract
The utility model discloses a ratchet type anti-theft screw which comprises an anti-theft bolt head, a pin shaft and a tool bit, wherein the anti-theft bolt head and the tool bit are connected with each other through a hexagonal anti-theft structure, one end of the surface of the pin shaft is sleeved with a hollow ratchet disc, the hollow ratchet disc is connected with a mounting surface through a four-point bolting structure, one end of the inside of the hollow ratchet disc is fixedly provided with a partition disc, a ratchet disc is rotatably arranged at the central position of the inside of the partition disc, a round hole for a pin shaft to penetrate is formed in the ratchet disc, and the pin shaft is connected with the ratchet disc through an elastic positioning structure. According to the utility model, the anti-theft bolt head and the tool bit are used as a first anti-theft treatment, and the ratchet self-locking structure is used as a second anti-theft treatment, so that the anti-theft performance of the screw is effectively improved, and the property safety of a user is ensured.
Description
Technical Field
The utility model relates to the technical field of antitheft screws, in particular to a ratchet type antitheft screw.
Background
The principle of the anti-theft screw is that the cap head of the screw is made into various shapes, the screw cannot be disassembled by using a common disassembling tool, the anti-theft screw is widely applied to outdoor equipment, such as most of screw caps on the market are hexagonal, so that the disassembling tool is easy to find, the anti-theft screw adopts cap heads with various shapes, the disassembling screw is more troublesome, the screw cannot be easily disassembled, a matched anti-theft screw wrench is needed, the anti-theft screw can be disassembled, the existing anti-theft screw still mainly performs anti-theft treatment through the change of the shape of the cap head, most of the existing anti-theft screw is subjected to single-layer anti-theft treatment, the risk of breaking and disassembling is still caused under the condition of strong damage of external force, the anti-theft performance is limited, and economic loss can be brought to users.
Disclosure of Invention
The utility model aims to provide a ratchet type anti-theft screw, which solves the problem that the anti-theft screw is provided with a single-layer anti-theft treatment in the background technology and has limited anti-theft performance.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ratchet formula theftproof screw, includes theftproof bolt head, round pin axle and tool bit, theftproof bolt head and tool bit pass through hexagonal anti-theft structure interconnect, the one end cover on round pin axle surface is equipped with cavity ratchet dish, cavity ratchet dish passes through four-point bolting structure and installation face interconnect, the inside one end of cavity ratchet dish is fixed with cuts off the dish, the inside central point department of cutting off the dish rotates and installs the ratchet dish, and the inside of ratchet dish is provided with the round hole that supplies the round pin axle to wear out, round pin axle and ratchet dish are connected through elastic positioning structure, the pawl is all installed in the rotation of the both sides on wall dish surface, pawl claw end and ratchet dish tooth groove butt each other, pawl, ratchet dish form ratchet auto-lock structure, install elasticity limit structure on the cavity ratchet dish inner wall of pawl one side.
Preferably, the hexagonal anti-theft structure comprises a hexagonal groove arranged at the top end of the anti-theft bolt head and a hexagonal protruding head fixed at the bottom end of the cutter head, wherein the hexagonal protruding head and the hexagonal groove are mutually inserted, a protruding column is fixed at the central position of the top end of the hexagonal groove, and an upper groove which is mutually inserted with the protruding column is arranged at the central position of the inside of the hexagonal protruding head.
Preferably, the upper plane of the convex column and the upper plane of the anti-theft bolt head are mutually parallel.
Preferably, the four-point bolting structure is four equidistant internal thread locating holes arranged in the hollow ratchet disc.
Preferably, the elastic positioning structure comprises four groups of elastic bulges arranged at one end of the surface of the pin shaft, and grooves for the elastic bulges to penetrate are formed in the inner walls of the ratchet plates with opposite ends of the bulges.
Preferably, the two sides of the top end of the partition plate are both rotatably provided with a short shaft, the pawl is fixed on the short shaft, the top end of the short shaft extends to the outside of the hollow ratchet plate, and the upper plane of the short shaft is flush with the upper plane of the hollow ratchet plate.
Preferably, the top end of the short shaft is provided with a cross flower groove.
Preferably, the elastic limiting structure comprises a spring body fixed on the inner wall of the hollow ratchet disc, wherein a jacking block is arranged at one end, close to the pawl, of the spring body, and the bottom end of the jacking block is mutually abutted with the top end of the pawl.
Preferably, the top block is made of a hard rubber member.
Compared with the prior art, the utility model has the beneficial effects that: the hollow ratchet disc is fixed through the four-point bolting structure, the threaded hole on the mounting surface and the bolt by the mutually matched structure of the pin shaft, the ratchet self-locking structure and the like, the anti-theft bolt head and the pin shaft are screwed through the hexagonal anti-theft structure, the pin shaft is mutually connected with the ratchet self-locking structure through the elastic positioning structure, the pin shaft and the ratchet disc are integrated at the moment, the ratchet self-locking structure prevents the pin shaft from rotating, so that the anti-theft bolt head and the tool bit are used as the first anti-theft treatment, the ratchet self-locking structure is used as the second anti-theft treatment, the anti-theft performance of the screw is effectively improved, and the property safety of a user is ensured.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic top view of the anti-theft bolt head of the present utility model;
FIG. 3 is a schematic top view of a hollow ratchet disk of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;
FIG. 5 is a schematic perspective view of a pawl according to the present utility model;
in the figure: 1. an anti-theft bolt head; 101. hexagonal grooves; 102. a convex column; 2. a pin shaft; 201. a protrusion; 3. a hollow ratchet disc; 301. an internal thread positioning hole; 4. a cutter head; 401. hexagonal raised heads; 5. a partition plate; 6. a ratchet plate; 7. a short shaft; 701. cross flower grooves; 8. a pawl; 9. a spring body; 10. and (5) a top block.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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. 1-5, an embodiment of the present utility model is provided: the ratchet type anti-theft screw comprises an anti-theft bolt head 1, a pin shaft 2 and a tool bit 4, wherein the anti-theft bolt head 1 and the tool bit 4 are connected through a hexagonal anti-theft structure, and a worker takes out the anti-theft bolt head 1 to enable the anti-theft bolt head 1 to be screwed through the tool bit 4;
the hexagonal anti-theft structure comprises a hexagonal groove 101 arranged at the top end of the anti-theft bolt head 1 and a hexagonal raised head 401 fixed at the bottom end of the cutter head 4, wherein the hexagonal raised head 401 and the hexagonal groove 101 are mutually inserted, a raised column 102 is fixed at the central position of the top end of the hexagonal groove 101, and an upper groove which is mutually inserted with the raised column 102 is arranged at the central position inside the hexagonal raised head 401;
the upper plane of the convex column 102 is level with the upper plane of the anti-theft bolt head 1, a hexagonal convex head 401 at the bottom end of the cutter head 4 is inserted into a hexagonal groove 101 of the anti-theft bolt head 1, the convex column 102 is jacked into the upper groove at the central position of the hexagonal convex head 401, and then the cutter head 4 and the anti-theft bolt head 1 are inserted and can rotate the anti-theft bolt head 1 and the pin shaft 2 through the cutter head 4;
one end of the surface of the pin shaft 2 is sleeved with a hollow ratchet disc 3, the hollow ratchet disc 3 is connected with a mounting surface through a four-point bolting structure, the four-point bolting structure is four groups of equidistant internal thread positioning holes 301 arranged in the hollow ratchet disc 3, a worker opens threaded holes corresponding to the internal thread positioning holes 301 in position on the mounting surface, and the hollow ratchet disc 3 is fixed through the internal thread positioning holes 301, the threaded holes on the mounting surface and bolts;
a partition disc 5 is fixed at one end of the inside of the hollow ratchet disc 3, a ratchet disc 6 is rotatably arranged at the central position of the inside of the partition disc 5, a round hole for the pin shaft 2 to penetrate is formed in the ratchet disc 6, and the pin shaft 2 is connected with the ratchet disc 6 through an elastic positioning structure;
the elastic positioning structure comprises four groups of elastic bulges 201 arranged at one end of the surface of the pin shaft 2, grooves for the insertion of the bulges 201 are formed in the inner wall of the ratchet plate 6 opposite to the end part of the bulges 201, and when the pin shaft 2 is completely screwed into the mounting surface, the four groups of elastic bulges 201 on the outer peripheral surface of the pin shaft 2 automatically spring into the grooves in the inner wall of the ratchet plate 6, and at the moment, the pin shaft 2 and the ratchet plate 6 are integrated;
the pawl 8 is rotatably arranged on both sides of the surface of the partition plate 5, the claw ends of the pawl 8 are mutually abutted with tooth grooves of the ratchet plate 6, the pawl 8 and the ratchet plate 6 form a ratchet self-locking structure, an elastic limiting structure is arranged on the inner wall of the hollow ratchet plate 3 on one side of the pawl 8, when an external acting force is applied to screw the anti-theft bolt head 1 and the pin shaft 2, the ratchet self-locking structure formed by the pawl 8 and the ratchet plate 6 prevents the pin shaft 2 from rotating, and at the moment, the anti-theft bolt head 1 and the pin shaft 2 can not be rotated and screwed, so that an anti-theft screw is effectively prevented from being broken and disassembled by a strong force;
the anti-theft bolt head 1 and the cutter head 4 are used as a first anti-theft treatment, and the ratchet self-locking structure is used as a second anti-theft treatment, so that the anti-theft performance of the screw is effectively improved;
the two sides of the top end of the partition disc 5 are rotatably provided with a short shaft 7, a pawl 8 is fixed on the short shaft 7, the top end of the short shaft 7 extends to the outside of the hollow ratchet disc 3, the upper plane of the short shaft 7 is level with the upper plane of the hollow ratchet disc 3, and the top end of the short shaft 7 is provided with a cross flower groove 701;
the elastic limiting structure comprises a spring body 9 fixed on the inner wall mountain of the hollow ratchet disc 3, a jacking block 10 is installed at one end, close to the pawl 8, of the spring body 9, the jacking block 10 is made of a hard rubber member, the bottom end of the jacking block 10 is mutually abutted to the top end of the pawl 8, when a screw needs to be disassembled, a worker takes out two groups of cross screw heads, the cross screw heads screw a short shaft 7 through a cross flower groove 701 and rotate the pawl 8, then the claw end of the pawl 8 is not contacted with a tooth groove of the ratchet disc 6 any more, and the spring body 9 is in a compressed state;
the pin shaft 2 and the ratchet plate 6 can normally rotate, and the elastic bulge 201 is separated from the groove on the inner wall of the ratchet plate 6 along with the screwing and rotating of the pin shaft 2 until the anti-theft bolt head 1, the pin shaft 2 and the hollow ratchet plate 3 are separated, and at the moment, the hollow ratchet plate 3 is still retained on the mounting surface.
When the anti-theft bolt head 1 is used, firstly, a worker opens threaded holes corresponding to the positions of the internal thread locating holes 301 on the mounting surface, and fixes the hollow ratchet tooth disc 3 through the internal thread locating holes 301, the threaded holes on the mounting surface and bolts, then, the worker takes out the anti-theft bolt head 1, so that the anti-theft bolt head 1 is screwed through the cutter head 4, in the process, the hexagonal raised head 401 at the bottom end of the cutter head 4 is required to be inserted into the hexagonal groove 101 of the anti-theft bolt head 1, the raised column 102 is jacked into the upper groove at the central position of the hexagonal raised head 401, the cutter head 4 and the anti-theft bolt head 1 are further inserted and closed, the anti-theft bolt head 1 and the pin shaft 2 can be rotated through the cutter head 4 until the pin shaft 2 is completely screwed into the mounting surface, at the moment, the pin shaft 2 and the ratchet wheel disc 6 become a whole, when external acting force is applied to screw the anti-theft bolt head 1 and the pin shaft 2, the ratchet tooth self-locking structure formed by the pawl 8 and the ratchet wheel disc 6 is prevented from rotating, the cutter head 1 and the anti-theft bolt head 2 can be rotated, and the anti-theft bolt head is effectively prevented from being screwed into the groove on the inner wall of the ratchet wheel disc 6 through the mounting surface, and the anti-theft bolt head is effectively, and the anti-theft bolt head is used as a theft bolt head 1, and an anti-theft bolt head is used as an anti-theft bolt, and an anti-theft bolt.
Claims (9)
1. The utility model provides a ratchet formula theftproof screw which characterized in that: including theftproof bolt head (1), round pin axle (2) and tool bit (4), theftproof bolt head (1) and tool bit (4) are through hexagonal theftproof structure interconnect, the one end cover on round pin axle (2) surface is equipped with cavity ratchet dish (3), cavity ratchet dish (3) are through four point bolting structure and installation face interconnect, the inside one end of cavity ratchet dish (3) is fixed with cuts off dish (5), cut off the inside central point department rotation of dish (5) and install ratchet dish (6), the inside of ratchet dish (6) is provided with the round hole that supplies round pin axle (2) to wear out, round pin axle (2) and ratchet dish (6) are connected through elastic positioning structure, the both sides on cutting off dish (5) surface all rotate and are installed pawl (8), pawl end and ratchet dish (6) tooth groove mutual butt, pawl (8), ratchet dish (6) form ratchet self-locking structure, install elasticity limit structure on the cavity ratchet dish (3) inner wall on pawl (8) one side.
2. The ratcheting anti-theft screw as recited in claim 1, wherein: the hexagonal anti-theft structure comprises a hexagonal groove (101) arranged at the top end of the anti-theft bolt head (1) and a hexagonal raised head (401) fixed at the bottom end of the cutter head (4), wherein the hexagonal raised head (401) and the hexagonal groove (101) are mutually inserted, a raised column (102) is fixed at the central position of the top end of the hexagonal groove (101), and an upper groove which is mutually inserted with the raised column (102) is arranged at the central position of the inside of the hexagonal raised head (401).
3. The ratcheting anti-theft screw as recited in claim 2, wherein: the upper plane of the convex column (102) is level with the upper plane of the anti-theft bolt head (1).
4. The ratcheting anti-theft screw as recited in claim 1, wherein: the four-point bolting structure is four equidistant internal thread locating holes (301) arranged in the hollow ratchet disc (3).
5. The ratcheting anti-theft screw as recited in claim 1, wherein: the elastic positioning structure comprises four groups of elastic bulges (201) arranged at one end of the surface of the pin shaft (2), and grooves for the bulges (201) to penetrate are formed in the inner walls of the ratchet plates (6) with opposite ends.
6. The ratcheting anti-theft screw as recited in claim 1, wherein: the two sides of the top end of the partition disc (5) are rotatably provided with a short shaft (7), the pawl (8) is fixed on the short shaft (7), the top end of the short shaft (7) extends to the outside of the hollow ratchet disc (3), and the upper plane of the short shaft (7) is flush with the upper plane of the hollow ratchet disc (3).
7. The ratcheting anti-theft screw as recited in claim 6, wherein: the top end of the short shaft (7) is provided with a cross flower groove (701).
8. The ratcheting anti-theft screw as recited in claim 1, wherein: the elastic limiting structure comprises a spring body (9) fixed on the inner wall of the hollow ratchet disc (3), a jacking block (10) is arranged at one end, close to the pawl (8), of the spring body (9), and the bottom end of the jacking block (10) is mutually abutted with the top end of the pawl (8).
9. The ratcheting anti-theft screw as recited in claim 8, wherein: the top block (10) is made of a hard rubber member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320148464.1U CN219197856U (en) | 2023-01-31 | 2023-01-31 | Ratchet type anti-theft screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320148464.1U CN219197856U (en) | 2023-01-31 | 2023-01-31 | Ratchet type anti-theft screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219197856U true CN219197856U (en) | 2023-06-16 |
Family
ID=86718868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320148464.1U Active CN219197856U (en) | 2023-01-31 | 2023-01-31 | Ratchet type anti-theft screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219197856U (en) |
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2023
- 2023-01-31 CN CN202320148464.1U patent/CN219197856U/en active Active
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| GR01 | Patent grant | ||
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