Anti-loosening foundation bolt

By using the reverse thread design of the cast bolt rod and the anti-loosening bolt hole, and the interlocking mechanism of the external torsion block and the anti-loosening rod, the problems of easy loosening and high processing cost of existing anchor bolts are solved, thereby improving stability and cost-effectiveness.

CN223609700UActive Publication Date: 2025-11-28GUIZHOU CONSTR ENG GRP FOURTH CONSTR ENG CO LTD
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Patent Information

Application Number
CN202423241294.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-28
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

When existing anchor bolts are secured with nuts or pins, the nuts are prone to loosening and have high processing costs, while the pins require precision machining, which increases costs.

Method used

The design employs a reverse threaded design between the cast bolt rod and the anti-loosening bolt hole, combined with the interlocking mechanism of the external torsion block and the anti-loosening rod, to achieve a stable connection through reverse rotation and reduce processing costs.

Benefits of technology

It improves the stability of anchor bolts, reduces processing costs, and prevents loosening through reverse threads and interlocking mechanisms, thus enhancing the stability of the bolts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-loosening foundation bolt, relates to the technical field of foundation bolts, and aims to solve the problems that an existing foundation bolt is subjected to anti-loosening treatment mainly through a nut or a plug pin structure, but the nut structure is prone to loosening due to external influence, and the plug pin structure needs to perform finish machining treatment on a bolt body, so that the bolt body cannot be loosened. The bolt machining device comprises a pouring assembly, a clamping assembly and a clamping assembly, a locking assembly is arranged above the pouring assembly; and an anti-loosening assembly is arranged in the locking assembly. The outer twisting block is rotationally connected to the anti-loosening rod, connection stability is conveniently kept under the action of the butt joint groove, the outer twisting block plays a role of a traditional bolt cap after being in threaded connection, the anti-loosening rod is in threaded connection in the anti-loosening screw hole, and the anti-loosening rod and the outer twisting block must be subjected to reverse twisting force at the same time to be mounted and dismounted. And when the bolt is subjected to one-way force, the interlocking effect is achieved, the bolt is integrally interlocked mainly through the threads, and the machining cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the anchor bolt technical field, more specifically, especially relate to an anti-loose anchor bolt. BACKGROUND

[0002] Anchor bolt, that is, screw rod piece used for fastening equipment on concrete foundation, is generally used in railway, highway, power enterprise, factory, mine, bridge, tower crane, Ferris wheel, large-span steel structure and large building infrastructure, has strong stability, and is used to increase the firmness of large building infrastructure, so an anchor bolt is needed.

[0003] For example, the anti-loose anchor bolt in application number 202322794835.6, the bolt body, the top surface of the bolt body is fixedly connected with a nut, the side surface of the nut is provided with an annular groove, the side surface of the annular groove is slidably connected with a circular ring, the side surface of the annular groove is sleeved with a tension spring, the bottom end of the tension spring is fixedly connected with the top surface of the circular ring, and the top end of the tension spring is fixedly connected with the top surface of the inner wall of the annular groove.

[0004] Based on the prior art, it is found that the existing anchor bolt is mainly prevented from loosening by the nut or the plug-in structure, but the nut structure is prone to loosening under the influence of the external environment after long-term use, and the plug-in structure needs to be precisely processed on the bolt body, resulting in high processing cost of the bolt. SUMMARY

[0005] To solve the above technical problems, the disclosed embodiment relates to an anti-loose anchor bolt to solve the problem that the existing anchor bolt is mainly prevented from loosening by the nut or the plug-in structure, but the nut structure is prone to loosening under the influence of the external environment after long-term use, and the plug-in structure needs to be precisely processed on the bolt body, resulting in high processing cost of the bolt.

[0006] In the first aspect of the present disclosure, an anti-loose anchor bolt is provided by the following specific technical means:

[0007] The utility model provides a kind of anti-loose anchor bolt, comprising: pouring assembly;The pouring assembly includes pouring bolt and anti-loose screw hole;The pouring bolt is provided as a cylindrical rod structure, and a thread is provided on the top outer wall of the pouring bolt;The anti-loose screw hole is provided as a threaded groove, and the thread of the anti-loose screw hole is in reverse thread with the thread of the outer wall of the pouring bolt, and the anti-loose screw hole is opened at the top of the pouring bolt;A locking assembly is provided above the pouring assembly, and the locking assembly includes an outer torsion block, a matching screw hole and a synchronous torsion block;The outer torsion block is threadedly connected to the top of the pouring bolt through the matching screw hole;The outer torsion block is provided as a cylindrical structure;The matching screw hole is provided as a threaded groove, and the matching screw hole is opened at the bottom of the outer torsion block;An anti-loose assembly is provided inside the locking assembly, and the anti-loose assembly includes an anti-loose rod and a butt joint groove;The anti-loose rod is threadedly connected inside the anti-loose screw hole, and the anti-loose rod is rotatably connected inside the synchronous torsion block through the butt joint groove;The anti-loose rod is provided as a threaded rod structure, and a cylindrical structure is provided at the top of the anti-loose rod, and a hexagonal prism protrusion is provided at the top of the cylindrical structure of the anti-loose rod.

[0008] In at least some embodiments, the pouring assembly further includes a pouring slot;The pouring slot is provided as a rectangular through-hole, and the pouring slot is opened on the outer wall of the pouring bolt.

[0009] In at least some embodiments, the pouring assembly further includes a pressing support ring;The pressing support ring is provided as a circular ring structure, and two groups of pressing support rings are fixedly connected to the outer wall of the pouring bolt.

[0010] In at least some embodiments, the locking assembly further includes a pressing ring;The pressing ring is provided as a circular ring structure, and the pressing ring is fixedly connected to the outer wall of the outer torsion block.

[0011] In at least some embodiments, the synchronous torsion block is provided as a hexagonal prism structure, a circular through-hole is opened in the synchronous torsion block, a circular ring protrusion is provided in the circular through-hole of the synchronous torsion block, the synchronous torsion block is fixedly connected to the top of the outer torsion block, and the circular through-hole of the synchronous torsion block is connected to the matching screw hole.

[0012] In at least some embodiments, the butt joint groove is provided as a circular ring structure, and the butt joint groove is opened on the outer wall of the cylindrical structure of the anti-loose rod.

[0013] The anti-loose anchor bolt has the following advantages:

[0014] 1、Pouring bolt and anti-loose screw hole are provided, a thread is opened on the top outer wall of the pouring bolt, the butt joint of the matching screw hole is facilitated, the connection of the pouring bolt and the outer torsion block is realized, the anti-loose screw bolt is opened at the top of the pouring bolt, the thread of the anti-loose screw hole is reverse thread with the thread of the outer wall of the pouring bolt, the anti-loose rod needs to be reversely rotated with the outer torsion block during installation, interlocking treatment is performed when loosening occurs, and the stability of the bolt is increased.

[0015] 2, set up the outer torsion block and the lock rod, through the outer torsion block is connected in the lock rod, facilitate under the action of the butt joint groove keep the stability of the connection, and make the outer torsion block after the threaded connection play the role of traditional cap, and through the lock rod is connected in the lock screw hole, make the lock rod and the outer torsion block must be subjected to reverse torsion force simultaneously can be installed, disassembled handle, and when subjected to unidirectional force, it plays the interlocking effect, and the bolt as a whole is mainly through the thread to realize interlocking, reduce the processing cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional assembly structure schematic diagram of the utility model.

[0017] Figure 2 It is the three-dimensional assembly structure schematic diagram of the utility model.

[0018] Figure 3 It is the three-dimensional assembly structure schematic diagram of the utility model.

[0019] Figure 4 It is the three-dimensional assembly structure schematic diagram of the utility model.

[0020] Figure 5 It is the three-dimensional assembly structure schematic diagram of the utility model.

[0021] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0022] 1, pouring assembly;101, pouring bolt rod;102, lock screw hole;103, pouring groove;104, pressing support ring;

[0023] 2, locking assembly;201, outer torsion block;202, matching screw hole;203, pressing ring;204, synchronous torsion block;

[0024] 3, lock assembly;301, lock rod;302, butt joint groove. DETAILED DESCRIPTION

[0025] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.

[0026] Example one: as attached Figure 1 to attached Figure 5The utility model provides a kind of anchor bolt of anti-loosening, comprising: pouring assembly 1;Pouring assembly 1 includes pouring bolt rod 101 and anti-loosening screw hole 102;Pouring bolt rod 101 is set as cylindrical rod structure, and the top outer wall of pouring bolt rod 101 is equipped with thread;Pouring bolt rod 101 is used to be poured by cement on installation position, to cooperate with outer torsion block 201 to fix large structure;Anti-loosening screw hole 102 is set as thread groove, and the thread of anti-loosening screw hole 102 and the outer wall of pouring bolt rod 101 is reverse thread, and anti-loosening screw hole 102 is opened in the top of pouring bolt rod 101;Anti-loosening screw hole 102 is interlocked with anti-loosening rod 301 by the mode that the thread of pouring bolt rod 101 is reverse thread, to facilitate anti-loosening treatment;The upper portion of pouring assembly 1 is equipped with locking assembly 2, and locking assembly 2 includes outer torsion block 201, cooperation screw hole 202 and synchronous torsion block 204;Outer torsion block 201 is threadedly connected in the top of pouring bolt rod 101 by cooperation screw hole 202;Outer torsion block 201 is set as cylindrical structure;Outer torsion block 201 cooperates with anti-loosening rod 301 to fix large equipment, to facilitate to keep building stable;Cooperation screw hole 202 is set as thread groove, and cooperation screw hole 202 is opened in the bottom of outer torsion block 201;Cooperation screw hole 202 is used to fix outer torsion block 201;The inside of locking assembly 2 is equipped with anti-loosening assembly 3, and anti-loosening assembly 3 includes anti-loosening rod 301 and butt joint groove 302;Anti-loosening rod 301 is threadedly connected in the inside of anti-loosening screw hole 102, and anti-loosening rod 301 is rotatably connected in the inside of synchronous torsion block 204 by butt joint groove 302;Anti-loosening rod 301 is set as threaded rod structure, and the top of anti-loosening rod 301 is equipped with cylindrical structure, and the cylindrical structure top of anti-loosening rod 301 is equipped with hexagonal prism protrusion;Anti-loosening rod 301 is used to be interlocked with outer torsion block 201, to facilitate to keep the stability of outer torsion block 201.

[0027] Example two: on the basis of example one, as Figure 3 The pouring assembly 1 further includes pouring groove 103, the pouring groove 103 is set as rectangular through-hole, and the pouring groove 103 is arranged on the outer wall of the pouring bolt rod 101, the pouring groove 103 is used for increasing the contact area with the poured cement, so as to increase the stability of the pouring bolt rod 101, and the pouring assembly 1 further includes pressing support ring 104, the pressing support ring 104 is set as a circular ring structure, the pressing support ring 104 is provided with two groups, and the two groups of pressing support rings 104 are fixedly connected to the outer wall of the pouring bolt rod 101 respectively, and the pressing support ring 104 is used for cooperating with the pressing ring 203 to compact the large building facilities, so as to keep the stability of the large building facilities.

[0028] In the embodiments of the present disclosure, as Figure 3 And Figure 4As shown, the locking assembly 2 further comprises a pressing ring 203; the pressing ring 203 is provided in a circular ring structure, and the pressing ring 203 is fixedly connected to the outer wall of the outer torsion block 201; the pressing ring 203 is used for cooperating with the pressing support ring 104 to perform compaction treatment on the large building facility, so as to maintain the stability of the large building facility; the synchronous torsion block 204 is provided in a hexagonal prism structure, a circular through hole is formed in the synchronous torsion block 204, a circular ring-shaped protrusion is arranged in the circular through hole of the synchronous torsion block 204, the synchronous torsion block 204 is fixedly connected to the top of the outer torsion block 201, and the circular through hole of the synchronous torsion block 204 is connected with the matched screw hole 202; the synchronous torsion block 204 is used for assisting in torsion treatment of the outer torsion block 201, so as to facilitate maintaining the stability; the butt joint groove 302 is provided in a circular ring structure, and the butt joint groove 302 is formed in the outer wall of the cylindrical structure of the anti-loosening rod 301; the butt joint groove 302 is used for assisting in assembly of the synchronous torsion block 204 and the anti-loosening rod 301.

[0029] The specific use mode and role of the embodiment are as follows:

[0030] In the utility model, during assembly, the pouring rod 101 is inserted into the preset slot in the installation position, then the pouring cement is poured into the preset slot, the stability of the pouring rod 101 is increased by cooperating with the pouring groove 103 after the cement is solidified, then the outer torsion block 201 and the anti-loosening rod 301 are respectively threadedly connected in the pouring rod 101 and the anti-loosening screw hole 102, and reverse forces are added to the two during rotation of the two.

[0031] During use, reverse forces need to be added to the pouring rod 101 and the anti-loosening screw hole 102 to remove the two, when external forces are added to one group, the other group is locked through the thread during rotation and lifting, so that interlocking treatment is realized.

[0032] In this paper, the following points need attention:

[0033] 1. The drawings of the embodiment of the disclosure only relate to the structures involved in the embodiment of the disclosure, and other structures can refer to the general design.

[0034] 2. In the case of no conflict, the embodiments and the features in the embodiments of the disclosure can be combined to obtain new embodiments.

[0035] The above is only a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the disclosure, which should be covered in the protection scope of the disclosure. Therefore, the protection scope of the disclosure should be subject to the protection scope of the claims.

Claims

1. A lost motion anchor bolt comprising: The pouring assembly (1) is characterized in that: the pouring assembly (1) comprises a pouring bolt (101) and an anti-loose screw hole (102); the pouring bolt (101) is provided in a cylindrical rod structure, and a thread is arranged on the top outer wall of the pouring bolt (101); the anti-loose screw hole (102) is provided in a threaded groove, the thread of the anti-loose screw hole (102) is in a reverse thread with the thread of the outer wall of the pouring bolt (101), and the anti-loose screw hole (102) is arranged on the top of the pouring bolt (101); the pouring assembly (1) is provided above with a locking assembly (2), and the locking assembly (2) comprises an outer torsion block (201), a matching screw hole (202) and a synchronous torsion block (204); the outer torsion block (201) is threadedly connected to the top of the pouring bolt (101) through the matching screw hole (202); the outer torsion block (201) is provided in a cylindrical structure; the matching screw hole (202) is provided in a threaded groove, and the matching screw hole (202) is arranged on the bottom of the outer torsion block (201); the locking assembly (2) is internally provided with an anti-loose assembly (3), and the anti-loose assembly (3) comprises an anti-loose rod (301) and a butt joint groove (302); the anti-loose rod (301) is threadedly connected in the anti-loose screw hole (102), and the anti-loose rod (301) is rotatably connected in the synchronous torsion block (204) through the butt joint groove (302); the anti-loose rod (301) is provided in a threaded rod structure, the top of the anti-loose rod (301) is provided in a cylindrical structure, and the top of the cylindrical structure of the anti-loose rod (301) is provided in a hexagonal prism protrusion.

2. A lost motion anchor as defined in claim 1, wherein: The pouring assembly (1) further comprises a pouring groove (103); the pouring groove (103) is provided in a rectangular through hole, and the pouring groove (103) is arranged on the outer wall of the pouring bolt (101).

3. A lost motion anchor as defined in claim 1, wherein: The pouring assembly (1) further comprises a pressing support ring (104); the pressing support ring (104) is provided in a circular ring structure, and two groups of the pressing support ring (104) are fixedly connected to the outer wall of the pouring bolt (101).

4. The anti-loose foundation bolt according to claim 1, characterized in that: The locking assembly (2) further comprises a pressing ring (203); the pressing ring (203) is provided in a circular ring structure, and the pressing ring (203) is fixedly connected to the outer wall of the outer torsion block (201).

5. The anti-loose foundation bolt according to claim 1, characterized in that: The synchronous torsion block (204) is provided in a hexagonal prism structure, a circular through hole is arranged in the synchronous torsion block (204), a circular ring protrusion is arranged in the circular through hole of the synchronous torsion block (204), the synchronous torsion block (204) is fixedly connected to the top of the outer torsion block (201), and the circular through hole of the synchronous torsion block (204) is connected with the matching screw hole (202).

6. A lost motion anchor as defined in claim 1, wherein: The butt joint groove (302) is provided in a circular ring structure, and the butt joint groove (302) is arranged on the outer wall of the cylindrical structure of the anti-loose rod (301).

Citation Information

Patent Citations

  • An anti-loosening anchor bolt

    CN220986364U