Screw anchor bolt capable of being rapidly installed

By introducing limiting and anti-slip loops into the screw anchor bolt, combined with the design of expansion joints and protruding joints, the problem of easy reinforcing of expansion anchor bolts during installation is solved, and the rapid installation and firm fixing effect is achieved.

CN222254587UActive Publication Date: 2024-12-27HANDAN TEDUN FASTENER GRP CO LTD
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Patent Information

Application Number
CN202420209894.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-29
Publication Date
2024-12-27
Estimated Expiration
2034-01-29

AI Technical Summary

Technical Problem

The expansion tube and limit sleeve of the existing expansion anchor bolts do not have a limit structure, which leads to tend to turn tendons during installation and affects the anchoring effect.

Method used

A quick-installable screw anchor is designed to ensure that the sleeve assembly moves linearly along the screw assembly and through expansion joints and protruding joints by providing limiting and anti-slip joints in the anchor screw assembly and anchor sleeve assembly. The combination of anchor bolts and walls can be tightened.

Benefits of technology

The installation speed and fixing effect of the anchor bolt are improved, the tendon phenomenon is avoided, and the firm connection between the anchor bolt and the wall is ensured.

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Abstract

The utility model relates to the technical field of anchor bolt fasteners, and discloses a screw anchor bolt capable of being quickly installed, which comprises an anchor bolt screw assembly, a nut arranged on the outer side of the anchor bolt screw assembly, a gasket sleeved on the outer side of the anchor bolt screw assembly, and an anchor bolt sleeve assembly sleeved on the outer side of the anchor bolt screw assembly. According to the screw anchor bolt capable of being rapidly installed, the sleeve rod is arranged, the anchor bolt sleeve assembly is connected to the outer side of the sleeve rod in a sleeving mode, the rod body limits the anchor bolt sleeve assembly, the anchor bolt sleeve assembly can only move towards the protruding joint, when the screw anchor bolt is used, the anchor bolt screw assembly is inserted into a preformed hole of a wall, and the outer side of the anchor bolt screw assembly is sleeved with a gasket; the anchor bolt and screw assembly is sleeved with the sleeve with the proper size, the nut and the threaded teeth of the screw body are screwed, along with rotation of the nut, the nut extrudes the sleeve and the gasket, the gasket extrudes the top block of the anchor bolt and sleeve assembly, the anchor bolt and sleeve assembly makes contact with the protruding joint, the anchor bolt and sleeve assembly deforms to be tightly meshed with the wall, fixing is completed, and the installation speed is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of anchor bolt fasteners, in particular to a screw anchor bolt which can be quickly installed. Background Art

[0002] An anchor bolt is a device used to fix objects to the foundation objects. The main purpose of the anchor bolt is to firmly fix objects (such as columns, brackets, equipment, etc. of buildings) to the foundation objects (such as concrete, brick walls, etc.) through its special design and installation method to prevent movement or tilting to ensure the stability and safety of buildings or other structures.

[0003] China Utility Model Patent Publication No.: CN 219159342 U, discloses: an expansion anchor bolt, which, by rotating a screw rod, threadably connects the screw rod with a limiting sleeve, so that the screw rod pushes the expansion tube to move toward one end of the limiting sleeve, thereby causing the extrusion head at the end of the limiting sleeve to contract into the expansion tube, and the extrusion head drives four expansion sheets to generate an outward expansion force, so that the four expansion sheets are squeezed against the wall for anchoring with the wall, and by arranging a plurality of square cones on each expansion sheet, the friction between the expansion sheet and the wall can be increased, the stability of the anchored object can be enhanced, the problem of rotation of the expansion anchor bolt during the expansion anchoring process can be avoided, and the connection between the expansion anchor bolt and the wall can be strengthened, thereby improving the pull-out resistance of the expansion anchor bolt, but the expansion tube and the limiting sleeve of the expansion anchor bolt are not provided with a limiting structure, and the tendons are easily rotated during installation, which affects the anchoring effect. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a screw anchor bolt that can be quickly installed, which can effectively solve the problems in the prior art that the expansion tube and the limiting sleeve of the expansion anchor bolt are not provided with a limiting structure, the tendons are easily twisted during installation, and the anchoring effect is affected.

[0005] The technical solution adopted by the utility model is: a screw anchor bolt that can be quickly installed, comprising an anchor bolt screw assembly, a nut is arranged on the outer side of the anchor bolt screw assembly, a gasket is sleeved on the outer side of the anchor bolt screw assembly, and an anchor bolt sleeve assembly is sleeved on the outer side of the anchor bolt screw assembly;

[0006] The anchor bolt screw assembly comprises a rod body, a screw body, threaded teeth, a sleeve rod, anti-skid ribs and a protruding section, wherein the upper end of the rod body is provided with a screw body, the outer side of the screw body is provided with threaded teeth, the lower end of the rod body is provided with a sleeve rod, the outer side of the sleeve rod is provided with anti-skid ribs, and the lower end of the sleeve rod is provided with a protruding section;

[0007] The anchor sleeve assembly includes expansion joint one, expansion joint two, expansion joint three, a through groove, a long groove, a limiting rib, a top block and an anti-return tooth. The expansion joint two is arranged on the left side of the expansion joint one, and the expansion joint three is arranged on the right side of the expansion joint one. A long groove is provided between the expansion joint one and the expansion joint two, a through groove is provided between the expansion joint two and the expansion joint three, a limiting rib is provided on the inner side of the expansion joint one, and a top block and an anti-return tooth are provided on the outer side of the expansion joint one.

[0008] Through the above technical solution, an anchor bolt screw assembly is provided, and the anchor bolt screw assembly cooperates with the anchor bolt sleeve assembly to lock the anchor bolt and the wall.

[0009] Preferably, the diameter of the rod body is larger than the diameter of the sleeve rod, and the screw body is connected to the nut via thread teeth.

[0010] Through the above technical scheme, a sleeve rod is set, and the rod body is used to limit the anchor sleeve assembly. The anchor sleeve assembly can only move toward the protruding node. An anchor sleeve assembly is set, and a cylindrical sleeve is used to be sleeved on the upper end of the gasket. The nut is screwed to squeeze the anchor sleeve assembly, so that the anchor sleeve assembly is squeezed and deformed, and is fastened to the wall, and the installation speed is fast.

[0011] Preferably, a long groove is opened between the expansion joint 1 and the expansion joint 3, the inner walls of the expansion joint 1, the expansion joint 2 and the expansion joint 3 are all provided with limited position ridges, and the outer sides of the expansion joint 1, the expansion joint 2 and the expansion joint 3 are all provided with top blocks and anti-backflow teeth.

[0012] Through the above technical scheme, expansion joints one, two and three are set. After the anchor sleeve assembly is subjected to force, the lower ends of the three expansion joints contact the protruding joints, and are deformed into a trumpet shape after being squeezed by the protruding joints until they bite the wall, with a good fixing effect.

[0013] Preferably, the anchor sleeve assembly is sleeved on the outside of the sleeve rod, and the inner diameter of the gasket is equal to the outer diameter of the expansion joint.

[0014] Through the above technical scheme, a gasket is set. When in use, the anchor bolt screw assembly is inserted into the reserved hole of the wall, the gasket is put on the outside of the anchor bolt screw assembly, and then the sleeve of appropriate size is put on the outside of the anchor bolt screw assembly, and the nut is threaded with the threaded teeth of the screw body. During this process, as the nut rotates, the nut squeezes the sleeve and the gasket, and the gasket squeezes the top block of the anchor bolt sleeve assembly. The anchor bolt sleeve assembly contacts the protruding section, so that the anchor bolt sleeve assembly is deformed and bites the wall to complete the fixation.

[0015] Preferably, the limiting ribs are matched with the anti-slip ribs, and the anti-return teeth are in an arc-shaped structure.

[0016] Through the above technical solution, limiting ribs and anti-slip ribs are set to ensure that the anchor sleeve assembly moves linearly along the anchor screw assembly during the fixing process, thereby improving the fixing effect. Anti-backlash teeth are set to cooperate with the three expansion joints to bite the wall tightly for firm fixing.

[0017] Compared with the prior art, the utility model provides a screw anchor bolt that can be quickly installed, and has the following beneficial effects:

[0018] 1. The screw anchor bolt that can be quickly installed is provided with a sleeve rod, the anchor sleeve assembly is sleeved on the outside of the sleeve rod, the rod body is limited by the anchor sleeve assembly, the anchor sleeve assembly can only move toward the protruding section, and the anchor sleeve assembly is provided. When in use, the anchor screw assembly is inserted into the reserved hole of the wall, the gasket is sleeved on the outside of the anchor screw assembly, and then the sleeve of an appropriate size is sleeved on the outside of the anchor screw assembly, and the nut is threaded with the thread teeth of the screw body. In this process, as the nut rotates, the nut squeezes the sleeve and the gasket, the gasket squeezes the top block of the anchor sleeve assembly, and the anchor sleeve assembly contacts the protruding section, so that the anchor sleeve assembly is deformed and bites the wall, and the fixation is completed. The installation speed is fast and it is easy to use;

[0019] 2. The screw anchor bolt that can be quickly installed is provided with limiting ribs and anti-slip ribs to ensure that the anchor sleeve assembly moves linearly along the anchor screw assembly during the fixing process to avoid reinforcing bar rotation and improve the fixing effect. Anti-backward teeth are provided to cooperate with three expansion joints to bite the wall and fix it firmly. The anchor screw assembly cooperates with the anchor sleeve assembly to lock the anchor bolt and the wall. The structure is relatively simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 This is a schematic diagram of the disassembled structure of the anchor bolt screw assembly and the anchor bolt sleeve assembly of the utility model;

[0023] Figure 4 This is an enlarged structural diagram of the nut, gasket and anchor sleeve assembly of the utility model;

[0024] Figure 5 It is a schematic diagram of the enlarged structure of the anchor sleeve assembly of the utility model.

[0025] Among them: 1. anchor bolt screw assembly; 101. rod body; 102. screw body; 103. threaded teeth; 104. sleeve rod; 105. anti-slip ribs; 106. protruding joint; 2. nut; 3. gasket; 4. anchor bolt sleeve assembly; 401. expansion joint one; 402. expansion joint two; 403. expansion joint three; 404. through groove; 405. long groove; 406. limit ribs; 407. top block; 408. anti-backward teeth. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1: Figure 1-5 As shown, the quickly installed screw anchor provided by the utility model comprises an anchor screw assembly 1, a nut 2 is arranged on the outer side of the anchor screw assembly 1, a gasket 3 is sleeved on the outer side of the anchor screw assembly 1, and an anchor sleeve assembly 4 is sleeved on the outer side of the anchor screw assembly 1.

[0028] Specifically, the anchor bolt screw assembly 1 includes a rod body 101, a screw body 102, threaded teeth 103, a sleeve rod 104, an anti-skid rib 105 and a protruding section 106. The upper end of the rod body 101 is provided with the screw body 102, the outer side of the screw body 102 is provided with threaded teeth 103, the lower end of the rod body 101 is provided with a sleeve rod 104, the outer side of the sleeve rod 104 is provided with an anti-skid rib 105, and the lower end of the sleeve rod 104 is provided with a protruding section 106. The advantage is that the anchor bolt screw assembly 1 is provided, and the anchor bolt screw assembly 1 cooperates with the anchor bolt sleeve assembly 4 to lock the anchor bolt with the wall.

[0029] Specifically, the diameter of the rod body 101 is larger than the diameter of the sleeve rod 104, and the screw body 102 is connected to the nut 2 through the threaded teeth 103. The advantage is that the sleeve rod 104 is provided, the anchor sleeve assembly 4 is sleeved on the outside of the sleeve rod 104, the rod body 101 is limited for the anchor sleeve assembly 4, and the anchor sleeve assembly 4 can only move toward the protruding section 106.

[0030] Specifically, the anchor sleeve assembly 4 includes an expansion joint 1 401, an expansion joint 2 402, an expansion joint 3 403, a through groove 404, a long groove 405, a limiting rib 406, a top block 407 and an anti-return tooth 408. The expansion joint 2 402 is arranged on the left side of the expansion joint 1 401, and the expansion joint 3 403 is arranged on the right side of the expansion joint 1 401. A long groove 405 is provided between the expansion joint 1 401 and the expansion joint 2 402, and a through groove 404 is provided between the expansion joint 2 402 and the expansion joint 3 403. A limiting rib 406 is provided on the inner side of the expansion joint 1 401, and a top block 407 and an anti-return tooth 408 are provided on the outer side of the expansion joint 1 401. The advantage is that the anchor sleeve assembly 4 is provided, a cylindrical sleeve is sleeved on the upper end of the gasket 3, and the nut 2 is screwed to squeeze the anchor sleeve assembly 4, so that the anchor sleeve assembly 4 is squeezed and deformed, and is fastened to the wall, and the installation speed is fast.

[0031] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0032] Specifically, a long groove 405 is provided between the expansion joint 1 401 and the expansion joint 3 403, and the inner walls of the expansion joint 1 401, the expansion joint 2 402 and the expansion joint 3 403 are all provided with limited ridges 406, and the outer sides of the expansion joint 1 401, the expansion joint 2 402 and the expansion joint 3 403 are all provided with top blocks 407 and anti-return teeth 408. The advantage is that the expansion joint 1 401, the expansion joint 2 402 and the expansion joint 3 403 are provided, and the structure is relatively simple. After the anchor sleeve assembly 4 is stressed, the lower ends of the three expansion joints contact the protruding joint 106, and are deformed into a trumpet shape after being squeezed by the protruding joint 106 until they bite the wall tightly, and the fixing effect is good.

[0033] Specifically, the anchor sleeve assembly 4 is sleeved on the outside of the sleeve rod 104, and the inner diameter of the gasket 3 is equal to the outer diameter of the expansion joint 401. The advantage is that the gasket 3 is provided, and when in use, the anchor screw assembly 1 is inserted into the reserved hole of the wall, the gasket 3 is sleeved on the outside of the anchor screw assembly 1, and then the sleeve of appropriate size is sleeved on the outside of the anchor screw assembly 1, and the nut 2 is threaded with the thread teeth 103 of the screw body 102. In this process, as the nut 2 rotates, the nut 2 squeezes the sleeve and the gasket 3, and the gasket 3 squeezes the top block 407 of the anchor sleeve assembly 4, and the anchor sleeve assembly 4 contacts the protruding joint 106, so that the anchor sleeve assembly 4 is deformed and bites the wall to complete the fixation.

[0034] Specifically, the limiting ribs 406 are matched with the anti-slip ribs 105, and the anti-return teeth 408 are in an arc-shaped structure. The advantages are that the limiting ribs 406 and the anti-slip ribs 105 are provided to ensure that the anchor sleeve assembly 4 moves linearly along the anchor screw assembly 1 during the fixing process, thereby improving the fixing effect, and the anti-return teeth 408 are provided to cooperate with the three expansion joints to bite the wall tightly and fix firmly.

[0035] Working principle: When in use, insert the anchor screw assembly 1 into the reserved hole in the wall, put the gasket 3 on the outside of the anchor screw assembly 1, and then put the sleeve of appropriate size on the outside of the anchor screw assembly 1, and thread the nut 2 with the threaded teeth 103 of the screw body 102. During this process, as the nut 2 rotates, the nut 2 squeezes the sleeve and the gasket 3, and the gasket 3 squeezes the top block 407 of the anchor sleeve assembly 4. The expansion joint 1 401, the expansion joint 2 402 and the expansion joint 3 403 are in contact with the protruding joint 106, and are deformed into a trumpet shape after being squeezed by the protruding joint 106 until they bite the wall. The fixing effect is good, and the limiting ribs 406 and the anti-slip ribs 105 limit each other to ensure that the anchor sleeve assembly 4 moves in a straight line along the anchor screw assembly 1 during the fixing process to avoid reinforcing bars.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screw anchor bolt capable of rapid installation, comprising an anchor bolt screw assembly (1), characterized in that: A nut (2) is arranged on the outer side of the anchor bolt screw assembly (1), a gasket (3) is sleeved on the outer side of the anchor bolt screw assembly (1), and an anchor bolt sleeve assembly (4) is sleeved on the outer side of the anchor bolt screw assembly (1); The anchor bolt screw assembly (1) comprises a rod body (101), a screw body (102), threaded teeth (103), a sleeve rod (104), anti-skid ribs (105) and a protruding section (106); the screw body (102) is arranged at the upper end of the rod body (101); the threaded teeth (103) are arranged on the outer side of the screw body (102); the sleeve rod (104) is arranged at the lower end of the rod body (101); the anti-skid ribs (105) are arranged on the outer side of the sleeve rod (104); and the protruding section (106) is arranged at the lower end of the sleeve rod (104); The anchor sleeve assembly (4) comprises an expansion joint 1 (401), an expansion joint 2 (402), an expansion joint 3 (403), a through groove (404), a long groove (405), a limiting rib (406), a top block (407) and an anti-return tooth (408). The expansion joint 2 (402) is arranged on the left side of the expansion joint 1 (401), and the expansion joint 3 (403) is arranged on the right side of the expansion joint 1 (401). A long groove (405) is provided between the expansion joint 1 (401) and the expansion joint 2 (402), a through groove (404) is provided between the expansion joint 2 (402) and the expansion joint 3 (403), a limiting rib (406) is provided on the inner side of the expansion joint 1 (401), and a top block (407) and an anti-return tooth (408) are provided on the outer side of the expansion joint 1 (401).

2. The quickly installable screw anchor according to claim 1, characterized in that: The diameter of the rod body (101) is greater than the diameter of the sleeve rod (104), and the screw body (102) is connected to the nut (2) via thread teeth (103).

3. The quickly installable screw anchor according to claim 1, characterized in that: A long groove (405) is provided between the expansion joint one (401) and the expansion joint three (403); the inner walls of the expansion joint one (401), the expansion joint two (402) and the expansion joint three (403) are all provided with limiting ridges (406); and the outer sides of the expansion joint one (401), the expansion joint two (402) and the expansion joint three (403) are all provided with top blocks (407) and anti-return teeth (408).

4. The quickly installable screw anchor according to claim 1, characterized in that: The anchor sleeve assembly (4) is sleeved on the outside of the sleeve rod (104), and the inner diameter of the gasket (3) is equal to the outer diameter of the expansion joint 1 (401).

5. The quickly installable screw anchor according to claim 1, characterized in that: The limiting ribs (406) are matched with the anti-slip ribs (105), and the anti-return teeth (408) are in an arc-shaped structure.

Citation Information

Patent Citations

  • Expansion anchor bolt

    CN219159342U