CN219220995U

CN219220995U - High strength stud fastener

Info

Publication number: CN219220995U
Application number: CN202223388850.2U
Authority: CN
Inventors: 陈家歆
Original assignee: Xuzhou Xinxing Dacromet Technology Co ltd
Current assignee: Xuzhou Xinxing Dacromet Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-20
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a high-strength stud fastening device, which comprises a stud, wherein the stud comprises a first screw rod and a second screw rod, a light rod end is fixedly arranged between the first screw rod and the second screw rod, a nut is sleeved on the outer side of the second screw rod, a gasket is fixedly arranged at the top of the nut and sleeved on the outer side of the second screw rod, a through hole is formed in the bottom of the second screw rod, a plug tube is arranged in the through hole in a sliding manner, strip-shaped sliding holes are formed in two sides of the second screw rod, and a plurality of unidirectional supporting mechanisms which are arranged at intervals are arranged between the plug tube and the strip-shaped sliding holes. According to the utility model, after the attachment is mounted with the main body through the nut, the connection position between the nut and the stud is fixed, so that the loosening of the threaded connection position is avoided as much as possible.

Description

High strength stud fastener

Technical Field

The utility model belongs to the technical field of stud bolts, and particularly relates to a high-strength stud bolt fastening device.

Background

The both ends of stud all have the screw thread for be connected between main part and the annex, current stud is in the use, firstly installs the bolt in the main part to lock the bolt, install the annex on the bolt afterwards, and carry out the fixed in position of annex through the nut, and because adopt threaded connection between bolt and the nut, when the frequent vibrations appear between main part and the connection annex, lead to appearing becoming flexible easily between the screw thread, lead to nut and bolt to take place the slippage, lead to the connection stability between annex and the main part to receive the influence, reduced stud's connection tightness.

For this reason, we propose a high strength stud bolt fastening device solving the above-mentioned problems.

Disclosure of Invention

The utility model aims to fix the connection position between a nut and a stud bolt after the attachment is installed with a main body through the nut, so as to avoid the loosening of the threaded connection position as much as possible.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a high-strength stud bolt fastening device comprises a stud bolt, wherein the stud bolt comprises a first screw rod and a second screw rod, a light rod end is fixedly arranged between the first screw rod and the second screw rod,

the outer side thread of the second screw rod is sleeved with a nut, the top of the nut is fixedly provided with a gasket, the gasket is sleeved on the outer side of the second screw rod,

the bottom of second screw rod has seted up the through-hole, the through-hole is interior to be worn to be equipped with by sliding, bar slide hole has all been seted up to the both sides of second screw rod, be equipped with the unidirectional support mechanism that a plurality of intervals set up between inserting a section of thick bamboo and the bar slide hole.

Preferably, the vertical hole has all been seted up at the outside both ends of inserting a section of thick bamboo, unidirectional support mechanism includes the dead lever, the dead lever is fixed to be located in the vertical hole, and the lever wall rotates the cover and be equipped with the connecting plate, the lateral wall of connecting plate is fixed to be equipped with the backup pad, the backup pad wears out bar smooth hole and is connected with the bottom contact of nut, the lever wall cover of dead lever is equipped with the torsional spring, the both ends of torsional spring respectively with dead lever and connecting plate fixed connection, the bottom contact of backup pad is equipped with the limiting plate, the limiting plate is fixed to be located in the vertical hole.

Preferably, the limiting plate is L-shaped and is matched with the connecting plate and the supporting plate.

Preferably, the cavity is seted up to the inside lower extreme of inserting a section of thick bamboo, the cavity internal fixation is equipped with the fixed plate, the both sides of fixed plate are all fixed through telescopic link and spring and are equipped with the inserted block, the inserted block wears out and inserts a section of thick bamboo, the spring housing is located the outside of telescopic link, the slot that the cooperation inserted block pegged graft has all been seted up to the inside both sides of through-hole.

Preferably, both ends of the bottom of the cavity are provided with sliding grooves penetrating through the inserting cylinder, a pull rod is arranged in the sliding grooves in a sliding mode, and the pull rod is fixedly connected with the inserting block.

Preferably, both sides of the insertion barrel are fixedly provided with U-shaped plates, and the outer walls of the U-shaped plates are in contact connection with the inner walls of the through holes.

Compared with the prior art, the utility model provides a high-strength stud bolt fastening device, which has the following beneficial effects:

1. this high strength stud fastener, through the first screw rod, second screw rod, smooth rod end, through-hole, bar slide hole, cartridge, vertical bore and the unidirectional support mechanism that are equipped with, can be when the nut rotates and screw up the second bolt, support the nut through only can unidirectional rotation's backup pad, avoid causing the pine of nut and stud to take off because of vibrations as far as possible, improve stud's connection tightness.

2. This high strength stud fastener through the section of thick bamboo, through-hole, slot, cavity, fixed plate, telescopic link, spring, inserted block, spout and pull rod that are equipped with, can carry out quick assembly with the section of thick bamboo and stud to inserting.

The device has the advantages that the operation is convenient, the connection position between the nut and the stud bolt can be fixed after the accessory is installed through the nut and the main body, the loosening of the threaded connection part is avoided as much as possible, and the installation tightness of the stud bolt is improved.

Drawings

FIG. 1 is a schematic view of a high strength stud bolt fastening apparatus according to the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is an enlarged view of the structure of the part B in fig. 1.

In the figure: 1 a first screw rod, 2 a second screw rod, 3 a light rod end, 4 nuts, 5 gaskets, 6 an inserting cylinder, 7 a strip-shaped sliding hole, 8 a fixed rod, 9 a connecting plate, 10 a supporting plate, 11 a torsion spring, 12 a limiting plate, 13 a fixed plate, 14 a telescopic rod, 15 a spring, 16 an inserting block, 17 a pull rod and 18 a U-shaped plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1, a high strength stud fastening device, including the stud, the stud includes first screw rod 1 and second screw rod 2, and first screw rod 1 and second screw rod 2 between the mutual fixed light rod end 3 that is equipped with, the outside thread bush of second screw rod 2 is equipped with nut 4, and the fixed gasket 5 that is equipped with in top of nut 4, the outside of second screw rod 2 is located to the gasket 5 cover, can be used for connection and dismantlement between main part and the annex.

Example 2

Embodiment 2 on the basis of embodiment 1 as shown in fig. 1-2, the bottom of the second screw rod 2 is provided with a through hole, the through hole is internally and slidably provided with an insertion tube 6, both sides of the second screw rod 2 are provided with strip-shaped sliding holes 7, a plurality of unidirectional supporting mechanisms arranged at intervals are arranged between the insertion tube 6 and the strip-shaped sliding holes 7, both ends of the outer side of the insertion tube 6 are provided with vertical holes, the unidirectional supporting mechanisms comprise fixing rods 8, the fixing rods 8 are fixedly arranged in the vertical holes, a connecting plate 9 is sleeved on the rotating walls of the fixing rods, the side wall of the connecting plate 9 is fixedly provided with a supporting plate 10, and the supporting plate 10 can rotate around the fixing rods 8 under the driving of the connecting plate 9.

As shown in fig. 2, the support plate 10 passes through the bar-shaped sliding hole 7 and is in contact connection with the bottom of the nut 4, a limiting plate 12 is arranged at the bottom of the support plate 10 in contact, the limiting plate 12 is fixedly arranged in the vertical hole, the limiting plate 12 is in an L-shaped arrangement and is matched with the connecting plate 9 and the support plate 10 to limit the rotation of the support plate 10.

As shown in fig. 2, the rod wall of the fixing rod 8 is sleeved with a torsion spring 11, and two ends of the torsion spring 11 are fixedly connected with the fixing rod 8 and the connecting plate 9 respectively, so that the supporting plate 10 rebounds to a horizontal position after being pushed by the nut 4.

As shown in fig. 3, both sides of the insertion tube 6 are fixedly provided with a U-shaped plate 18, the outer wall of the U-shaped plate 18 is in contact connection with the inner wall of the through hole, and the plurality of support plates 10 can be pushed after the outer workpiece stretches into the U-shaped plate 18, so that the insertion tube 6 can be stably inserted into the through hole for installation.

Example 3

Embodiment 3 as shown in fig. 3 on the basis of embodiment 2, a cavity is formed in the lower end of the interior of the insertion tube 6, a fixing plate 13 is fixedly arranged in the cavity, insertion blocks 16 are fixedly arranged on two sides of the fixing plate 13 through telescopic rods 14 and springs 15, the insertion blocks 16 penetrate out of the insertion tube, and the movement of the insertion blocks 16 is positioned and supported through the fixing plate 13.

As shown in fig. 3, the two ends of the bottom of the cavity are provided with sliding grooves penetrating through the insert cylinder 6, a pull rod 17 is slidably arranged in the sliding grooves, the pull rod 17 is fixedly connected with the insert block 16, the insert block 16 can be pulled through the pull rod 17, the spring 15 is sleeved on the outer side of the telescopic rod 14, the two sides of the inside of the through hole are provided with slots matched with the insert block 16 for insertion, and the position of the insert cylinder 6 in the through hole is determined.

According to the utility model, firstly, the stud bolts are inserted into the main body through the first screw rod 1, after the stud bolts enter the accessory for installation, the insertion barrel 6 is installed, bar-shaped objects such as external steel wires are inserted into the U-shaped plate 18, the support plates 10 are pushed to enter the vertical holes, the two pull rods 17 are pulled, the insertion blocks 16 are pressed by the telescopic rods 14 and the springs 15 to drive the insertion barrel 6 to enter the through holes, the pull rods 17 are loosened, the insertion blocks 16 are inserted into the slots through the elastic force of the springs 15, the positions of the insertion barrel 6 are determined, then the nuts 4 and the gaskets 3 are sleeved outside the second screw rod 2, in the process of rotating the nuts 4, the support plates 10 are pushed to rotate around the fixed rods 8 under the driving of the connecting plates 9, and after the nuts 4 are far away from the nuts 4, the support the nuts 4 are supported through the arrangement of the limiting plates 12 through the torsion spring 11, and the screw thread loosening between the nuts 4 and the stud bolts is avoided as much as possible.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A high-strength stud fastening device comprises a stud, and is characterized in that the stud comprises a first screw (1) and a second screw (2), a light rod end (3) is fixedly arranged between the first screw (1) and the second screw (2) together,

the outer side thread of the second screw rod (2) is sleeved with a nut (4), the top of the nut (4) is fixedly provided with a gasket (5), the gasket (5) is sleeved on the outer side of the second screw rod (2),

the bottom of second screw rod (2) has seted up the through-hole, slip wears to be equipped with in the through-hole inserts a section of thick bamboo (6), bar slide hole (7) have all been seted up to the both sides of second screw rod (2), be equipped with the unidirectional support mechanism that a plurality of intervals set up between inserting a section of thick bamboo (6) and bar slide hole (7).

2. The high-strength stud fastening device according to claim 1, wherein vertical holes are formed in two ends of the outer side of the insertion barrel (6), the one-way supporting mechanism comprises a fixing rod (8), the fixing rod (8) is fixedly arranged in the vertical holes, a connecting plate (9) is sleeved on the rod wall in a rotating mode, a supporting plate (10) is fixedly arranged on the side wall of the connecting plate (9), the supporting plate (10) penetrates out of the strip-shaped sliding hole (7) and is in contact connection with the bottom of the nut (4), a torsion spring (11) is sleeved on the rod wall of the fixing rod (8), two ends of the torsion spring (11) are fixedly connected with the fixing rod (8) and the connecting plate (9) respectively, a limiting plate (12) is arranged on the bottom of the supporting plate (10) in a contact mode, and the limiting plate (12) is fixedly arranged in the vertical holes.

3. A high strength stud bolt fastening apparatus according to claim 2, wherein the limiting plate (12) is provided in an L-shape and is provided in cooperation with the connecting plate (9) and the supporting plate (10).

4. The high-strength stud fastening device according to claim 1, wherein a cavity is formed in the lower end of the interior of the insert cylinder (6), a fixing plate (13) is fixedly arranged in the cavity, insert blocks (16) are fixedly arranged on two sides of the fixing plate (13) through telescopic rods (14) and springs (15), the insert blocks (16) penetrate out of the insert cylinder, the springs (15) are sleeved on the outer side of the telescopic rods (14), and slots for being matched with the insert blocks (16) in an inserted mode are formed in two sides of the interior of the through hole.

5. The high-strength stud fastening device according to claim 4, wherein sliding grooves penetrating through the insertion barrel (6) are formed in two ends of the bottom of the cavity, a pull rod (17) is arranged in the sliding grooves in a sliding mode, and the pull rod (17) is fixedly connected with the insertion block (16).

6. The high-strength stud bolt fastening device according to claim 1, wherein both sides of the insertion tube (6) are fixedly provided with U-shaped plates (18), and the outer walls of the U-shaped plates (18) are in contact connection with the inner walls of the through holes.