CN217842315U - Anti-theft bolt - Google Patents
Anti-theft bolt Download PDFInfo
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- CN217842315U CN217842315U CN202221943029.XU CN202221943029U CN217842315U CN 217842315 U CN217842315 U CN 217842315U CN 202221943029 U CN202221943029 U CN 202221943029U CN 217842315 U CN217842315 U CN 217842315U
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Abstract
The utility model relates to an anti-theft bolt technical field, specifically provides an anti-theft bolt, the anti-theft bolt includes the bolt body and end cap, and the bolt body comprises first nut, polished rod, second nut, screw rod that set gradually, be provided with the pole portion trench that can break off at certain torsion value between polished rod and the second nut; a cavity is formed in the bolt body, and a combined groove communicated with the cavity is formed in the second nut; the anti-theft bolt provided by the utility model has reasonable design and compact structure, and the operating position of the anti-theft bolt can be hidden by the design of the cavity and the combined groove, thereby improving the anti-theft performance; the design of the rod part groove can ensure that the anti-theft bolt cannot be opened in a mode of being unscrewed violently, and the anti-theft performance is further improved; the design of the plug can prevent the cavity from being exposed, and the service life of the anti-theft bolt is prolonged; the design of seal gasket can be sealed in end cap and screw body junction, further protects the theftproof bolt.
Description
Technical Field
The utility model relates to a theftproof bolt technical field, concretely relates to theftproof bolt.
Background
Hardware fasteners are widely used mechanical parts, and anti-theft screws are also called as anti-disassembly screws, and are used by various large merchants in the current society for maintaining the benefits of the merchants.
The chinese patent that has disclosed, the publication number is CN206563031U, discloses an anti-theft screw, including theftproof nut and theftproof lead screw, theftproof nut and theftproof lead screw formula structure as an organic whole, be provided with the screw line on the theftproof lead screw, be provided with spacing recess on the theftproof nut, theftproof nut upper end is connected with the sealed lid of theftproof, the sealed lid lower extreme of theftproof is provided with the spacing lug that matches with spacing recess, theftproof nut upper end is provided with oval recess, the sealed lid of theftproof is provided with oval perforation, oval perforation both ends are provided with the location round hole, the inside six prismatic spacing of locating round hole that is provided with is through oval recess design for the screw can't directly be opened to ordinary standard tool, and the sealed lid of theftproof that cooperation top set up for the screw when using, need aim at the recess with the perforation on the sealed lid to the instrument that closes with it through special design can open the screw, has improved the theftproof performance of screw, is worth promoting.
The above patent has the following problems:
1. although the anti-theft screw cannot be directly opened by using a common standard tool, if the tool is used for biting the groove or the round hole, the anti-theft screw can still be unscrewed violently, and the anti-theft performance is poor;
2. round hole and recess on the anti-theft screw do not protect, thereby expose for a long time and externally contact air and moisture and rust easily and corrode the anti-theft screw, influence the normal use of anti-theft screw.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, the present invention provides an anti-theft bolt, which is used to solve the problem that the anti-theft screw in the prior art can still be unscrewed violently, resulting in poor anti-theft performance; and the anti-theft screw is easy to be corroded by air and moisture invasion, which affects the normal use of the anti-theft screw.
In order to achieve the above and other related objects, the present invention provides an anti-theft bolt, which includes a bolt body, the bolt body is composed of a first nut, a polish rod, a second nut and a screw rod, which are sequentially arranged, a rod slot capable of being disconnected at a certain torque value is arranged between the polish rod and the second nut;
a cavity which extends from the outside of the first nut to the second nut and can allow an installation tool to penetrate is arranged in the bolt body, and a combined groove which is communicated with the cavity and can bite the installation tool is arranged on the second nut so as to facilitate the assembly of the bolt body;
the anti-theft bolt further comprises a plug, and the plug can be knocked into the cavity by applying force from the outside so as to plug the bolt body.
In an embodiment of the present invention, the plug and the cavity are tightly fitted.
In an embodiment of the present invention, a taper fitting portion which is beneficial for the plug to be gradually knocked in is provided between the cavity and the plug.
In an embodiment of the present invention, an L-shaped annular sealing gasket capable of sealing the connection between the plug and the screw body is disposed on the side end of the plug close to the tail portion.
In an embodiment of the present invention, the head of the plug can extend into the connection between the polish rod and the rod slot at most.
In an embodiment of the present invention, the first nut is provided with a groove capable of being completely embedded by the tail of the plug.
As above, the utility model provides an anti-theft bolt has following beneficial effect:
1. the utility model discloses a set up the cavity to and set up the combination groove on the second nut, can use mounting tool to bite the combination groove on the second nut and realize the assembly when the anti-theft bolt installation is used, its assembly mode is different from ordinary anti-theft bolt, the combination groove is difficult to be perceived, the anti-theft bolt is difficult to be opened by other people, the theftproof performance is better;
2. by arranging the rod part groove position, the rod part groove position can be disconnected at a certain torsion value when the anti-theft bolt is applied, so that the anti-theft bolt cannot be opened in a violent unscrewing mode, and the anti-theft performance is further improved;
3. by arranging the plug which is tightly matched with the cavity, the plug can apply force from the outside and can be knocked into the cavity so as to plug the bolt body, the cavity is prevented from being directly exposed to the outside and contacting air and moisture to be corroded, and the service life of the anti-theft bolt is prolonged;
4. by arranging the L-shaped annular sealing gasket which is arranged at the side end, close to the tail, of the plug, the sealing gasket can be sealed at the joint of the plug and the screw body when the plug is installed, so that air and moisture are prevented from invading into the cavity, and the anti-theft bolt is further protected;
5. the anti-theft bolt provided by the utility model has reasonable design and compact structure, and the operating position of the anti-theft bolt can be hidden by the design of the cavity and the combined groove, thereby improving the anti-theft performance; the design of the rod part slot position can ensure that the anti-theft bolt cannot be opened in a mode of violence unscrewing, so that the anti-theft performance is further improved; the design of the plug can prevent the cavity from being directly exposed to the outside and contacting with air and moisture to be corroded, and the service life of the anti-theft bolt is prolonged; the design of seal gasket can be sealed in end cap and screw body junction, further protects the theftproof bolt.
Drawings
Fig. 1 shows a schematic structural diagram of the anti-theft bolt disclosed by the present invention.
Fig. 2 is a schematic structural view showing the bolt body and the plug of the anti-theft bolt according to the present invention.
Description of the element reference numerals
A bolt body 1; a first nut 11; a polish rod 12; a second nut 13; a screw 14; a lever groove 15; a plug 2; a sealing gasket 3; a cavity a; a combination groove b; a groove c; a taper fitting portion x.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 2, the present invention provides an anti-theft bolt, which includes a bolt body 1, wherein the bolt body 1 includes a first nut 11, a polish rod 12, a second nut 13, and a screw 14, which are sequentially disposed, and a rod slot 15 capable of being disconnected at a certain torque value is disposed between the polish rod 12 and the second nut 13; through setting up pole portion trench 15, pole portion trench 15 can reach certain torsion value disconnection when the theftproof bolt is used for the mode that the theftproof bolt can't be twisted out through the violence is opened, improves the theftproof performance.
A cavity a which extends from the outside of the first nut 11 to the second nut 13 and can be penetrated by an installation tool is arranged in the bolt body 1, and a combined groove b which is communicated with the cavity a and can be used for biting the installation tool is arranged on the second nut 13 so as to facilitate the assembly of the bolt body 1; the utility model discloses a set up cavity an to and set up combination groove b on second nut 13, can use mounting tool to bite combination groove b on the second nut 13 when the theftproof bolt installation is used and realize the assembly, its assembly mode is different from ordinary theftproof bolt, and combination groove b is difficult for being perceived, and the theftproof bolt is difficult is opened by other people, and the theftproof performance is better.
The anti-theft bolt also comprises a plug 2, and the plug 2 can be forced from the outside and knocked into the cavity a so as to plug the bolt body 1; through setting up end cap 2 with cavity a tight fit, thereby end cap 2 can be followed the application of force and knocked in cavity a to the shutoff bolt body 1, prevents that cavity a direct exposure externally contacts air and moisture and is corroded, prolongs theftproof bolt's life.
An L-shaped annular sealing gasket 3 capable of sealing the joint of the plug 2 and the screw body 1 is arranged at the side end, close to the tail, of the plug 2; through setting up the annular seal gasket 3 of L, this seal gasket 3 sets up on end of the side that end cap 2 is close to the afterbody, and this seal gasket 3 can seal in end cap 2 and screw body 1 junction when end cap 2 is installed, prevents that air and moisture from invading cavity a, further protects the theftproof bolt.
The plug 2 is tightly matched with the cavity a, the plug 2 can be tightly extruded in the cavity a in the tight fit mode, and the plug 2 is not prone to falling off after being installed
A taper fit part x which is beneficial to the gradual knocking-in of the plug exists between the cavity a and the plug 2, the taper fit coaxiality of the cavity a and the plug 2 is good, the device is convenient, no gap exists in the fit, and the installation is tight.
The head of the plug 2 can extend into the joint of the polished rod 12 and the rod slot 15 at most, so that the effect of the plug 2 on the disconnection of the rod slot 15 under the torque value is prevented from being influenced.
The first nut 11 is provided with a groove c which can be completely embedded by the tail of the plug 2, the plug 2 is not easy to detach after being installed, and the anti-theft bolt is attractive in appearance and good in practicability.
In summary, the anti-theft bolt provided by the utility model has reasonable design and compact structure, the operating position of the anti-theft bolt can be hidden by the design of the cavity a and the combination groove b, and the anti-theft performance is improved; the design of the rod part slot position 15 can ensure that the anti-theft bolt cannot be opened in a mode of being unscrewed violently, and the anti-theft performance is further improved; the design of the plug 2 can prevent the cavity a from being directly exposed to the outside and contacting with air and moisture to be corroded, and the service life of the anti-theft bolt is prolonged; the design of the sealing gasket 3 can seal the joint of the plug 2 and the screw body 1, so that the anti-theft bolt is further protected. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. An anti-theft bolt which is characterized in that: the anti-theft bolt comprises a bolt body, wherein the bolt body consists of a first nut, a polished rod, a second nut and a screw which are sequentially arranged, and a rod part groove position which can be disconnected at a certain torsion value is arranged between the polished rod and the second nut;
a cavity which extends from the outside of the first nut to the second nut and can allow an installation tool to penetrate is arranged in the bolt body, and a combined groove which is communicated with the cavity and can bite the installation tool is arranged on the second nut so as to facilitate the assembly of the bolt body;
the anti-theft bolt further comprises a plug, and the plug can be knocked into the cavity by applying force from the outside so as to plug the bolt body.
2. The anti-theft bolt according to claim 1, wherein: the plug and the cavity are in tight fit.
3. The anti-theft bolt according to claim 2, wherein: a taper fit part which is beneficial to the gradual knocking-in of the plug is arranged between the cavity and the plug.
4. The anti-theft bolt according to claim 3, wherein: and an L-shaped annular sealing gasket capable of sealing the joint of the plug and the screw body is arranged at the side end, close to the tail, of the plug.
5. The anti-theft bolt according to claim 4, wherein: the head of the plug can extend into the joint of the polish rod and the rod groove at most.
6. The antitheft bolt of claim 5, wherein: the first nut is provided with a groove which can be completely embedded by the tail of the plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943029.XU CN217842315U (en) | 2022-07-26 | 2022-07-26 | Anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221943029.XU CN217842315U (en) | 2022-07-26 | 2022-07-26 | Anti-theft bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842315U true CN217842315U (en) | 2022-11-18 |
Family
ID=84039106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221943029.XU Active CN217842315U (en) | 2022-07-26 | 2022-07-26 | Anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842315U (en) |
-
2022
- 2022-07-26 CN CN202221943029.XU patent/CN217842315U/en active Active
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