CN216382195U

CN216382195U - Anti-loosening threaded connection fastener

Info

Publication number: CN216382195U
Application number: CN202123048420.1U
Authority: CN
Inventors: 孙政; 陈洪达; 徐洁
Original assignee: Jiangsu Tengyi Precision Industry Co ltd
Current assignee: Jiangsu Tengyi Precision Industry Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-26
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to the field of fastening components, in particular to an anti-loosening threaded connection fastener, which comprises a nut, a bolt, a reverse lock bolt and a limiting device; the nut is fixedly connected with the bolt, and the reverse lock bolt is fixedly connected with the bolt; stop device includes limit base, the rotation stand, rotating turret and fixed top cap, limit base and nut fixed connection, rotate stand and limit base fixed connection, the rotating turret rotates with the rotation stand to be connected, fixed top cap respectively with rotating turret and anti-lock bolt fixed connection, thereby the screw thread through rotating the stand realization anti-lock bolt and bolt aligns, thereby the rethread rotates anti-lock bolt and drives the rotating turret and rotate downwards, thereby the screw thread of the anti-lock bolt that causes because of the manual work when having avoided the installation of anti-lock bolt takes place the skew with the screw thread of bolt and is connected, and then reduced the activity time who consumes because of the installation error, and the work efficiency is improved.

Description

Anti-loosening threaded connection fastener

Technical Field

The utility model relates to the field of fastening components, in particular to a loosening-preventing threaded connection fastener.

Background

The most commonly used fastener of bolt and nut at present, generally apply to each field, the most commonly used form is bolt and nut threaded connection, the self-locking ability between bolt and the nut comes from inside and outside screw thread complex friction, in some special service environment, for example, use in the vibrations environment, use in the powerful motion environment, the equipment of high assembly requirement and the use of other special environment, the self-locking ability after bolt threaded connection is not enough to maintain self stability, the not hard up condition appears very easily, current fix through adding anti-set bar, but traditional anti-set bar need be in the perpendicular butt joint installation of bolt when installation, thereby lead to operating personnel to be difficult to install anti-set bar, and then consume a large amount of activity time, reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a loosening-preventing threaded connection fastener, and aims to solve the technical problems that in the prior art, when a traditional counter lock bolt is installed, the traditional counter lock bolt needs to be vertically butted and installed on a bolt, so that an operator cannot easily install the counter lock bolt, a large amount of operation time is consumed, and the working efficiency is reduced.

In order to achieve the purpose, the anti-loosening threaded connecting fastener comprises a nut, a bolt, a reverse lock bolt and a limiting device;

the nut is fixedly connected with the bolt and positioned on one side of the bolt, and the reverse lock bolt is fixedly connected with the bolt and positioned on one side of the bolt close to the nut;

stop device includes limit base, rotation stand, rotating turret and fixed top cap, limit base with nut fixed connection, and be located the nut is close to one side of anti-lock bolt, rotate the stand with limit base fixed connection, and be located limit base is close to one side of anti-lock bolt, the rotating turret with the rotation stand rotates to be connected, and is located the rotation stand is close to one side of limit base, fixed top cap respectively with the rotating turret with anti-lock bolt fixed connection, fixed top cap is located the rotating turret is close to one side of anti-lock bolt.

Wherein the counter lock bolt is provided with a hexagonal hole which is positioned at one side of the counter lock bolt

The limiting base is provided with a sliding groove, and the sliding groove is located on one side, close to the rotating frame, of the limiting base and is matched with the rotating frame.

The rotating upright post is provided with a threaded hole, and the threaded hole is located on one side, close to the bolt, of the rotating upright post and matched with the bolt.

The fixing top cover is provided with a fixing groove, and the fixing groove is positioned on one side of the fixing top cover close to the counter lock bolt and is matched with the counter lock bolt.

The limiting device further comprises a limiting block, wherein the limiting block is fixedly connected with the rotating frame and is positioned on one side, close to the limiting base, of the rotating frame.

According to the anti-loosening threaded connection fastener, when the anti-lock bolt is installed on the bolt in a threaded mode, the anti-lock bolt is placed in the clamping groove of the fixed top cover, the installation direction of the anti-lock bolt is perpendicular to the rotating upright post, threads of the bolt are matched with threads in the limiting base, the bolt is fixed on the limiting base, the anti-lock bolt is aligned with the threads of the bolt, the rotating frame is driven to rotate downwards by rotating the anti-lock bolt, the rotating direction of the anti-lock bolt is limited, the anti-lock bolt is prevented from being connected with the threads of the bolt in a shifting mode due to manual operation when the anti-lock bolt is installed, operation time consumed due to installation errors is shortened, and working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the construction of a loose resistant threaded coupling fastener of the present invention.

Fig. 2 is a schematic structural view of the limiting base of the present invention.

Fig. 3 is a schematic structural view of the turret of the present invention.

Fig. 4 is a schematic view of the connection of the bolt of the present invention to a counter bolt.

In the figure: 1-nut, 2-bolt, 3-counter lock bolt, 4-limiting device, 31-hexagonal hole, 41-limiting base, 42-rotating upright post, 43-rotating frame, 44-fixed top cover, 45-limiting block, 411-sliding groove, 421-threaded hole and 441-fixed groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4, the present invention provides a locking screw fastening device, which comprises a nut 1, a bolt 2, a counter lock bolt 3 and a position-limiting device 4; the nut 1 is fixedly connected with the bolt 2 and is positioned on one side of the bolt 2, and the reverse locking bolt 3 is fixedly connected with the bolt 2 and is positioned on one side of the bolt 2 close to the nut 1; stop device 4 includes limit base 41, rotation stand 42, rotating turret 43 and fixed top cap 44, limit base 41 with nut 1 fixed connection, and be located nut 1 is close to one side of anti-lock bolt 3, rotation stand 42 with limit base 41 fixed connection, and be located limit base 41 is close to one side of anti-lock bolt 3, rotating turret 43 with rotation stand 42 rotates to be connected, and is located rotation stand 42 is close to one side of limit base 41, fixed top cap 44 respectively with rotating turret 43 with anti-lock bolt 3 fixed connection, fixed top cap 44 is located rotating turret 43 is close to one side of anti-lock bolt 3.

In the embodiment, the nut 1 is connected with the bolt 2 by a screw thread, and the screw thread on the nut 1 is matched with the screw thread on the bolt 2, so as to achieve the effect of fastening the nut 1 and the bolt 2, the reverse lock bolt 3 is connected with the bolt 2 by the screw thread, and the screw thread on the reverse lock bolt 3 is matched with the screw thread in the screw hole on the bolt 2, so as to achieve the fixed limit of the nut 1, prevent the nut 1 from being connected with the bolt 2 to be loose, the limit base 41 is welded on the nut 1, the rotating column 42 is welded on the limit base 41, the limit base 41 plays a role of fixedly supporting the rotating column 42 on the nut 1, the rotating frame 43 is connected with the rotating column 42 in a rotating way, and the rotating limit of the rotating frame 43 is achieved by the rotating column 42, the fixed top cover 44 is welded on the rotating frame 43, the reverse lock bolt 3 is clamped on the fixed top cover 44, so that the vertical installation direction of the reverse lock bolt 3 is fixed, the offset generated when the reverse lock bolt 3 is installed is avoided, the reverse lock bolt 3 is placed in a clamping groove of the fixed top cover 44 when the reverse lock bolt 3 is installed on the bolt 2 in a threaded mode, the installation direction of the reverse lock bolt 3 is perpendicular to the rotating upright post 42, the threads of the bolt 2 are matched with the threads in the limiting base 41, the bolt 2 is fixed on the limiting base 41, the threads of the reverse lock bolt 3 and the bolt 2 are aligned, the reverse lock bolt 3 is rotated to drive the rotating frame 43 to rotate downwards, and the rotating direction of the reverse lock bolt 3 is limited, therefore, the situation that the threads of the reverse lock bolt 3 and the threads of the bolt 2 are connected in a deviation mode due to manual operation when the reverse lock bolt 3 is installed is avoided, the operation time consumed due to installation errors is reduced, and the working efficiency is improved.

Further, referring to fig. 1, the counter bolt 3 has a hexagonal hole 31, and the hexagonal hole 31 is located at one side of the counter bolt 3.

In the present embodiment, the counter lock bolt 3 has the hexagonal hole 31, and the counter lock bolt 3 is rotated manually by engaging the hexagonal hole 31 through the hexagonal hole 31, and further, the counter lock bolt 3 is rotated to engage with the thread of the bolt 2, thereby achieving the threaded connection between the counter lock bolt 3 and the bolt 2.

Further, referring to fig. 2, the limiting base 41 has a sliding slot 411, and the sliding slot 411 is located on one side of the limiting base 41 close to the rotating frame 43 and is matched with the rotating frame 43.

In this embodiment, the limiting base 41 has the sliding groove 411, the notch of the sliding groove 411 faces the direction of the rotating rack 43, and the sliding groove 411 is matched with the rotating rack 43, so that the rotating rack 43 can rotate on the limiting base 41, and further, the rotating rack 43 is matched with the thread of the rotating upright 42 through the thread on the rotating rack 43, so that the fixing is realized.

Further, referring to fig. 2, the rotating column 42 has a threaded hole 421, and the threaded hole 421 is located on a side of the rotating column 42 close to the bolt 2 and is engaged with the bolt 2.

In this embodiment, the rotating column 42 has the bolt 2 hole, and the threaded hole 421 is matched with the bolt 2, so that the screw thread of the bolt 2 is matched with the screw thread of the threaded hole 421, and the movement of the nut 1 is matched to drive the rotating column 42 to move, so as to drive the limiting base 41 to move.

Further, referring to fig. 3, the fixing top cover 44 has a fixing groove 441, and the fixing groove 441 is located on a side of the fixing top cover 44 close to the counter lock bolt 3 and is engaged with the counter lock bolt 3.

In the present embodiment, the fixed top cover 44 has the fixing groove 441, the notch of the fixing groove 441 faces the direction of the counter bolt 3 and is engaged with the counter bolt 3, and the counter bolt 3 is engaged with the fixed top cover 44 through the fixing groove 441, thereby performing a positioning and fixing function for mounting the counter bolt 3.

Further, referring to fig. 3, the limiting device 4 further includes a limiting block 45, and the limiting block 45 is fixedly connected to the rotating frame 43 and is located on one side of the rotating frame 43 close to the limiting base 41.

In this embodiment, the limiting block 45 is welded on the rotating frame 43, the limiting block 45 and the thread of the rotating frame 43 are matched with the thread on the rotating column 42, so that the rotating direction of the rotating frame 43 is limited and fixed, and the rotating frame 43 is prevented from falling out of the limiting base 41 through the limiting block 45 and the protrusion above the limiting base 41.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The anti-loosening threaded connection fastener is characterized by comprising a nut, a bolt, a reverse lock bolt and a limiting device;

2. The anti-loosening threaded coupling fastener according to claim 1,

the counter lock bolt is provided with a hexagonal hole which is positioned at one side of the counter lock bolt.

3. The anti-loosening threaded coupling fastener according to claim 1,

4. The anti-loosening threaded coupling fastener according to claim 1,

the rotating upright post is provided with a threaded hole, and the threaded hole is positioned on one side, close to the bolt, of the rotating upright post and is matched with the bolt.

5. The anti-loosening threaded coupling fastener according to claim 1,

the fixed top cover is provided with a fixing groove, and the fixing groove is positioned on one side of the fixed top cover close to the counter lock bolt and is matched with the counter lock bolt.

6. The anti-loosening threaded coupling fastener according to claim 1,

the limiting device further comprises a limiting block, and the limiting block is fixedly connected with the rotating frame and is positioned on one side, close to the limiting base, of the rotating frame.