Anti-falling T-shaped bolt

By designing a rotary snap-fit ​​and a limit snap-fit ​​assembly, combined with a rotary compression assembly, the problem of unstable T-bolt fixing was solved, effectively preventing bolts from falling off and improving fixing reliability.

CN223594697UActive Publication Date: 2025-11-25SUZHOU DEYICHUANG HARDWARE STANDARD PARTS MFG CO LTD
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Patent Information

Application Number
CN202520030243.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-11-25
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing T-bolts are prone to falling off during fixing, especially since the screw section lacks an effective fixing structure, resulting in unstable fixing.

Method used

A T-bolt designed to prevent detachment includes a rotary locking assembly, a limiting locking assembly, and a rotary pressing assembly. Through the cooperation of the rotary lifting assembly and the limiting locking assembly, and the use of the threaded connection of the slide and the nut, the bolt is firmly fixed, and the rotary pressing assembly further prevents detachment.

Benefits of technology

This achieves a secure fixation of the T-bolts, preventing them from falling off during use, improving the fixing effect, and ensuring the reliability and safety of the bolts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-falling T-shaped bolt, which belongs to the technical field of fasteners and comprises a T-shaped seat, and a rotary clamping component used for rotating and fixing the bolt is mounted on the T-shaped seat. The rotary clamping assembly comprises a rotary lifting assembly and a limiting clamping assembly; the rotary lifting assembly is installed at the upper end of the T-shaped base, the limiting clamping assembly is installed on the upper portion of the T-shaped base, and the rotary lifting assembly is connected with the limiting clamping assembly. The upper side of the T-shaped base is provided with a rotary extrusion assembly used for further fixing the bolt and preventing the bolt from falling off. By means of the mode, the nut and the gasket of the T-shaped bolt are fixed, meanwhile, the T-shaped base is further fixed at the side end of the containing groove in an abutting mode, the thread sleeve is additionally arranged for further fixing, and the double-end anti-falling effect of the T-shaped bolt is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field, concretely relates to a kind of anti-falling T bolts. BACKGROUND

[0002] In prior art, first, the head of T bolt is placed into along profile groove, T bolt is rotated 90 degrees, its hammerhead part has thread, uses spanner or spanner sleeve, and is screwed in clockwise direction, until fastening to the extent required, after T bolt is fixed, flange nut is tightened, to realize fixation.

[0003] Among numerous prior art, Chinese patent application CN217081035U discloses a kind of anti-falling T bolts, including screw cap head, the screw rod with thread is extended on the one side of the screw cap head, wherein, sponge block is provided on the other side of the screw cap head, the sponge block is fixedly connected with the screw cap head by adhesive.

[0004] However, in the patent technology, only sponge block is added at the lower end of screw cap head, cannot effectively prevent falling, and no fixing member structure is added when screw rod is used and fixed.

[0005] Based on this, the utility model discloses a kind of anti-falling T bolts to solve above-mentioned problem. INVENTION CONTENTS

[0006] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of anti-falling T bolts.

[0007] To achieve the above object, the utility model is realized by the following technical schemes:

[0008] A kind of anti-falling T bolts, including T type seat, the rotating clamping assembly for rotating fixed bolt is installed on the T type seat;The rotating clamping assembly includes rotating lifting assembly and limit clamping assembly;Rotating lifting assembly is installed at the upper end of T type seat, limit clamping assembly is installed at the upper portion of T type seat, and rotating lifting assembly is connected with limit clamping assembly;The upper side of the T type seat is provided with rotating extrusion assembly for further fixed bolt anti-falling.

[0009] Further, the rotating lifting assembly includes threaded rod, nut, sliding slot one and sliding slot two;The threaded rod is fixedly installed at the upper end surface of T type seat, the nut is connected with the outer wall thread of threaded rod, the center of threaded rod is provided with cylindrical sliding slot one, sliding slot two is opened in threaded rod, sliding slot one is communicated with sliding slot two, and nut, sliding slot one and sliding slot two are connected with limit clamping assembly.

[0010] Further, the sliding slot two is provided as sector.

[0011] Further, the sliding groove two is provided with three groups and is equidistantly distributed around the axis of the threaded rod.

[0012] Further, the limiting clamping assembly comprises a gasket, a connecting rod, a clamping block, a resisting plate, a sliding groove three, a connecting plate and a spring; the upper end surface of the gasket is in abutting connection with the nut, the inside of the gasket is provided with three groups of sector blocks in limiting sliding connection with the sliding groove two, the gasket is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the clamping block, the clamping block is in sliding connection with the inner wall of the sliding groove one, the circular cone outer wall of the clamping block is in abutting connection with the inclined surface of the resisting plate, the inside of the T-shaped seat is provided with the sliding groove three, the resisting plate is in sliding connection with the inner wall of the sliding groove three, the connecting plate is fixedly installed at the lower end of the sliding groove three, the connecting plate is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected with the resisting plate.

[0013] Further, the resisting plate and the spring are both provided with two groups and are left-right symmetrically distributed about the axis of the threaded rod.

[0014] Further, the rotating extrusion assembly comprises a screw sleeve and a pressing block; the inner thread of the screw sleeve is provided with an inner thread in screw thread connection with the threaded rod, and the inner top of the screw sleeve is fixedly installed with the pressing block; and the pressing block is provided as a circular cone.

[0015] Further, the diameter of the lower end circular surface of the pressing block is smaller than the diameter of the circular surface of the sliding groove one, and the diameter of the upper end circular surface of the pressing block is larger than the diameter of the circular surface of the sliding groove one.

[0016] Compared with the prior art, the utility model has the advantages that: 1, the utility model for use, through the rotation of the rotating lifting assembly fixed T bolt, rotating lifting assembly drives the limiting clamping assembly to move down, the limiting clamping assembly moves down and connects T bolt, realize the fixed bottom of T bolt, at this time through the rotation of the rotating extrusion assembly sleeve joint further fixed T bolt, realize the effective prevention of T bolt from falling off;

[0017] 2, the utility model for use, nut is rotated along the threaded rod and moves down, and the nut drives the limiting clamping assembly to move down along the sliding groove one and the sliding groove two and is clamped, realizes the preliminary fixation of bolt and nut, wherein three groups of sliding groove two make the falling process of limiting clamping assembly more stable;

[0018] 3, the utility model for use, the nut drops and drives the gasket to drop along the sliding groove two, the gasket drives the connecting rod to drop, the connecting rod drives the clamping block to drop along the sliding groove, after the clamping block enters the sliding groove three, the resisting plate moves to the side, and the spring is in a stretched state, the resisting plate extends to the side end of the T-shaped seat, and further abuts and reinforces the external slot of the T-shaped seat, thereby preventing the gasket from further sliding down. When the bolt needs to be removed, the clamping block moves up, the spring rebounds, the resisting plate returns to its original state in the sliding groove three, and the T-shaped seat is easily removed.

[0019] 4. When using this utility model, after the nut and washer are fixed, the threaded sleeve is fitted onto the threaded rod, the pressure block enters the first groove, the threaded sleeve is rotated and moved down, the threaded sleeve drives the pressure block to move down, the pressure block gradually increases in diameter and squeezes the first groove, locking the threaded rod in the threaded sleeve, so that the threaded sleeve is fixed in the current position, and even if the nut is loosened, it will be blocked by the threaded sleeve and slip off, thus achieving further anti-loosening treatment of the T-bolt. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This utility model provides a three-dimensional anti-loosening T-bolt. Figure 1 ;

[0022] Figure 2 This is a front view of an anti-loosening T-bolt according to the present invention;

[0023] Figure 3 This is a left view of an anti-loosening T-bolt according to the present invention;

[0024] Figure 4 This utility model provides a three-dimensional anti-loosening T-bolt. Figure 2 ;

[0025] Figure 5 For along Figure 3 A portion of the solid is cut off along the AA direction. Figure 1 ;

[0026] Figure 6 This is a partial three-dimensional representation of an anti-loosening T-bolt according to the present invention. Figure 1 ;

[0027] Figure 7 for Figure 5 Enlarged view of point B in the middle.

[0028] The labels in the diagram represent:

[0029] 1. T-shaped seat; 2. Rotary snap-fit ​​assembly; 21. Rotary lifting assembly; 211. Threaded rod; 212. Nut; 213. Slide groove one; 214. Slide groove two; 22. Limit snap-fit ​​assembly; 221. Washer; 222. Connecting rod; 223. Locking block; 224. Abutment plate; 225. Slide groove three; 226. Connecting plate; 227. Spring; 3. Rotary pressing assembly; 31. Screw sleeve; 32. Pressure block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] In the following description, 'left', 'right', 'front','rear', 'upper', 'lower' are oriented with the perspective of the front view.

[0032] Embodiment one: in some embodiments, referring to the accompanying drawings of the specification Figures 1-7 A kind of anti-falling T bolt, including T seat 1, rotating clamping assembly 2 for rotating fixed bolt is installed on the T seat 1;Rotating clamping assembly 2 includes rotating lifting assembly 21 and limit clamping assembly 22;Rotating lifting assembly 21 is installed to the upper end of T seat 1, limit clamping assembly 22 is installed to the upper portion of T seat 1, rotating lifting assembly 21 is connected with limit clamping assembly 22;The upper side of the T seat 1 is provided with rotating extrusion assembly 3 for further fixed bolt anti-falling of screw.

[0033] When the utility model is used, rotating lifting assembly 21 is rotated to fix T bolt, rotating lifting assembly 21 drives limit clamping assembly 22 to move down, limit clamping assembly 22 moves down and clamps T bolt, realizes the fixation of the bottom of T bolt, at this time, rotating sleeve joint of rotating extrusion assembly 3 is further fixed to T bolt, realizes the effective anti-falling of T bolt.

[0034] Rotating lifting assembly 21 includes threaded rod 211, nut 212, sliding groove one 213 and sliding groove two 214;Threaded rod 211 is fixedly installed on the upper end surface of T seat 1, nut 212 is connected with the outer wall thread of threaded rod 211, cylindrical sliding groove one 213 is arranged in the center of threaded rod 211, sliding groove two 214 is arranged in threaded rod 211, sliding groove one 213 is communicated with sliding groove two 214, nut 212, sliding groove one 213, sliding groove two 214 are connected with limit clamping assembly 22;Sliding groove two 214 is provided as a sector;Sliding groove two 214 is provided with three groups and is equidistantly distributed around the axis of threaded rod 211.

[0035] The utility model discloses a nut 212 is down along the thread bar 211 by thread rotation, and the nut 212 drives the limiting clamping component 22 to be down along the sliding slot one 213 and the sliding slot two 214 and is clamped, realizes the preliminary fixation of bolt and nut 212, wherein three groups of sliding slot two 214 make the falling process of limiting clamping component 22 more stable.

[0036] The limiting clamping component 22 includes a gasket 221, a connecting rod 222, a clamping block 223, a resisting plate 224, a sliding slot three 225, a connecting plate 226 and a spring 227; the upper end surface of the gasket 221 is in abutting connection with the nut 212, the inside of the gasket 221 is provided with three groups of fan-shaped blocks for limiting sliding connection with the sliding slot two 214, the gasket 221 is fixedly connected with one end of the connecting rod 222, the other end of the connecting rod 222 is fixedly connected with the clamping block 223, the clamping block 223 is in sliding connection with the inner wall of the sliding slot one 213, the circular cone outer wall of the clamping block 223 is in abutting connection with the inclined surface of the resisting plate 224, the inside of the T-shaped seat 1 is provided with the sliding slot three 225, the resisting plate 224 is in sliding connection with the inner wall of the sliding slot three 225, the lower end of the sliding slot three 225 is fixedly installed with the connecting plate 226, the connecting plate 226 is fixedly connected with one end of the spring 227, and the other end of the spring 227 is fixedly connected with the resisting plate 224; the resisting plate 224 and the spring 227 are both provided with two groups and are distributed left and right about the axis of the thread bar 211.

[0037] When the utility model discloses, the nut 212 is down, and the gasket 221 is down along the sliding slot two 214, the gasket 221 drives the connecting rod 222 to be down, the connecting rod 222 drives the clamping block 223 to be down along the sliding slot one 213, after the clamping block 223 enters the sliding slot three 225, the abutting resisting plate 224 moves to the side, the spring 227 is in the stretching state, the resisting plate 224 extends to the side end of the T-shaped seat 1, further abuts and reinforces with the external slot of the T-shaped seat 1, and the further sliding of the gasket 221 is also prevented; when it is needed to remove the bolt, after the clamping block 223 moves up, the spring 227 rebounds, the resisting plate 224 restores the state in the sliding slot three 225, and the T-shaped seat 1 is conveniently removed.

[0038] The rotating extrusion assembly 3 includes a screw sleeve 31 and a pressing block 32; the inner wall of the screw sleeve 31 is provided with an internal thread for thread connection with the thread bar 211, the inner top of the screw sleeve 31 is fixedly installed with the pressing block 32, and the pressing block 32 is a circular cone; the lower end circular face diameter of the pressing block 32 is less than the circular face diameter size of the sliding slot one 213, and the upper end circular face diameter of the pressing block 32 is greater than the circular face diameter size of the sliding slot one 213.

[0039] The utility model discloses when using, after the nut 212 and the gasket 221 complete the fixation, the screw sleeve 31 is connected with the threaded rod 211, the pressing block 32 enters the chute one 213, rotates the screw sleeve 31 and moves down, and the screw sleeve 31 drives the pressing block 32 and moves down, and the pressing block 32 extrudes the chute one 213 along with the gradually larger diameter, and the threaded rod 211 is clamped in the screw sleeve 31, so that the screw sleeve 31 is fixed at the current position, and even if the nut 212 is loosened, the nut 212 will be blocked by the screw sleeve 31 and slide down, and further anti-falling treatment of the bolt is realized.

[0040] The above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An anti-loosening T-bolt comprising a T-shaped seat (1), characterized in that: The T-shaped seat (1) is provided with a rotating clamping assembly (2) for rotating and fixing the bolt; The rotating clamping assembly (2) comprises a rotating lifting assembly (21) and a limiting clamping assembly (22); The rotating lifting assembly (21) is installed at the upper end of the T-shaped seat (1), and the limiting clamping assembly (22) is installed at the upper portion of the T-shaped seat (1); the rotating lifting assembly (21) is connected with the limiting clamping assembly (22); The upper side of the T-shaped seat (1) is provided with a rotating extrusion assembly (3) for further fixing and preventing the bolt from falling off.

2. The anti-loosening T-bolt according to claim 1, wherein The rotating lifting assembly (21) comprises a threaded rod (211), a nut (212), a sliding groove I (213) and a sliding groove II (214); the threaded rod (211) is fixedly installed at the upper end surface of the T-shaped seat (1); the nut (212) is threadedly connected with the outer wall of the threaded rod (211); the center of the threaded rod (211) is provided with a cylindrical sliding groove I (213); the threaded rod (211) is provided with a sliding groove II (214); the sliding groove I (213) and the sliding groove II (214) are in communication; the nut (212), the sliding groove I (213) and the sliding groove II (214) are connected with the limiting clamping assembly (22).

3. The anti-loosening T-bolt according to claim 2, wherein The sliding groove II (214) is provided in the form of a sector.

4. The anti-loosening T-bolt according to claim 3, wherein The sliding groove II (214) is provided with three groups and is equidistantly distributed around the axis of the threaded rod (211).

5. The anti-loosening T-bolt according to claim 4, wherein The limiting clamping assembly (22) comprises a gasket (221), a connecting rod (222), a clamping block (223), an abutting plate (224), a sliding groove III (225), a connecting plate (226) and a spring (227); The upper end surface of the gasket (221) is in abutting connection with the nut (212); the inside of the gasket (221) is provided with three groups of sector-shaped blocks for limiting sliding connection with the sliding groove II (214); one end of the gasket (221) is fixedly connected with the connecting rod (222); the other end of the connecting rod (222) is fixedly connected with the clamping block (223); the clamping block (223) is in sliding connection with the inner wall of the sliding groove I (213); the outer wall of the circular truncated cone of the clamping block (223) is in abutting connection with the inclined surface of the abutting plate (224); the inside of the T-shaped seat (1) is provided with the sliding groove III (225); the abutting plate (224) is in sliding connection with the inner wall of the sliding groove III (225); the lower end of the sliding groove III (225) is fixedly installed with the connecting plate (226); one end of the connecting plate (226) is fixedly connected with the spring (227); the other end of the spring (227) is fixedly connected with the abutting plate (224).

6. The anti-loosening T-bolt according to claim 5, wherein The abutting plate (224) and the spring (227) are both provided with two groups and are symmetrically distributed about the axis of the threaded rod (211).

7. The anti-loosening T-bolt according to claim 6, wherein The rotating extrusion assembly (3) comprises a threaded sleeve (31) and a pressing block (32); The inner wall of the threaded sleeve (31) is provided with internal threads for threadedly connecting with the threaded rod (211); the inner top of the threaded sleeve (31) is fixedly installed with the pressing block (32); the pressing block (32) is provided in the form of a circular truncated cone.

8. The anti-loosening T-bolt according to claim 7, wherein The diameter of the lower end circular surface of the pressing block (32) is smaller than the diameter of the circular surface of the sliding groove I (213); the diameter of the upper end circular surface of the pressing block (32) is larger than the diameter of the circular surface of the sliding groove I (213).

Citation Information

Patent Citations

  • Anti-falling T-shaped bolt

    CN217081035U