CN210919758U

CN210919758U - Fastener capable of preventing loosening

Info

Publication number: CN210919758U
Application number: CN201922159266.1U
Authority: CN
Inventors: 游江云
Original assignee: Wenzhou Xiongtu Fastener Co ltd
Current assignee: Wenzhou Xiongtu Fastener Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-03
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a prevent fastener that becomes flexible, including set body cover shell, fastener body and nut, set body cover shell's inside through connection has the fastener body, and the lower extreme fixedly connected with couple body of fastener body, the spacing groove has been seted up on set body cover shell's the inner wall, the inside through connection in upper end of fastener body has the stopper, and the upper and lower both ends of stopper through connection have slide bar and threaded rod respectively, the upper end fixedly connected with axis of rotation of slide bar, and the inside through connection of axis of rotation has the threaded rod, and the uniform body is connected with conical gear in the axis of rotation of the right-hand member of threaded rod and upside, the nut rotates to be connected on the connecting. This prevent not hard up fastener under the exogenic action, also be difficult for appearing not hard up to and the installation is fixed the back, conveniently dismantles the change, does not influence exclusive use between each product subassembly, and the fastener conveniently improves wear resistance simultaneously.

Description

Fastener capable of preventing loosening

Technical Field

The utility model relates to a fastener correlation technique field specifically is a prevent not hard up fastener.

Background

Fasteners play a critical role in the assembly of various products in a variety of industries, and it is often desirable that these fasteners be able to be unfastened in order to bond service parts to the fasteners or to be packaged in areas secured by such fasteners, but it is also important that these fasteners maintain fastening force under varying stresses and loads.

However, when the general fastening piece is installed and connected, under the action of external force, looseness easily occurs, and after the fastening piece is installed and fixed, the fastening piece is inconvenient to detach and replace, so that the independent use among product assemblies is influenced, and meanwhile, the fastening piece is inconvenient to improve the wear resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent not hard up fastener to solve general fastener that proposes in the above-mentioned background art when erection joint, under the exogenic action, also appear becoming flexible easily, and the installation is fixed the back, inconvenient dismantlement change influences exclusive use between each product subassembly, the inconvenient problem that improves the wearability of fastener simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent not hard up fastener, includes set body cover shell, fastener body and nut, the inside through connection of set body cover shell has the fastener body, and the lower extreme fixedly connected with couple body of fastener body, the spacing groove has been seted up on set body cover shell's the inner wall, the inside through connection in upper end of fastener body has the stopper, and the upper and lower both ends of stopper have slide bar and threaded rod respectively through connection, the upper end fixedly connected with axis of rotation of slide bar, and the inside through connection of axis of rotation has the threaded rod, all overlap on threaded rod and the slide bar and be equipped with the slider, and homogeneous integration is connected with conical gear in the axis of rotation of the right-hand member of threaded rod and upside to the upper end fixedly connected with nut.

Preferably, the sheath shell and the fastener body are connected in a threaded manner, the length of the fastener body is greater than the depth of the sheath shell, and the fastener body and the connecting block form a T-shaped structure.

Preferably, the limiting blocks and the limiting grooves are arranged in a one-to-one correspondence manner, and the limiting blocks are connected with the limiting grooves in a clamping manner.

Preferably, the limiting block and the sliding block form a T-shaped structure, the limiting block is in threaded connection with the threaded rod through the sliding block, and the limiting block forms a sliding structure on the sliding rod through the threaded rod.

Preferably, the connection mode between the upper and lower single bodies of the rotating shaft is a rotating connection, and the rotating shaft on the upper side forms a rotating structure on the sliding rod through the rotating shaft on the lower side.

Preferably, the single bodies of the bevel gear are vertically arranged, and the rotating shaft on the upper side forms a rotating structure through the bevel gear and the threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-loosening fastener is not easy to loosen under the action of external force, is convenient to disassemble and replace after being installed and fixed, does not influence the independent use among product components, and is convenient to improve the wear resistance;

1. the fastener body is provided with a limiting block, a threaded rod and a sliding block, wherein the limiting block is in threaded connection with the threaded rod through the sliding block, so that the limiting block can slide towards two sides on the sliding rod conveniently, the limiting block can be clamped into the limiting groove conveniently, and the fastener body can be reinforced and fixed conveniently;

2. the connecting block drives the conical gear to rotate through the rotating shaft, so that the rotating direction is convenient to adjust, the threaded rod is convenient to drive to rotate, and the use is convenient;

3. the sleeve body shell and the fastener body are arranged, the sleeve body shell is connected with a product object, and meanwhile the fastener body is in threaded connection with the sleeve body shell, so that the fastener body is conveniently connected onto the sleeve body shell, the hook body at the lower end of the object is convenient to use normally, and shaking and falling are avoided.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the connecting block of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the top-view cross-sectional structure of the sheath shell of the present invention.

In the figure: 1. a sheath outer shell; 2. a fastener body; 3. a hook body; 4. a limiting block; 5. a slide bar; 6. a threaded rod; 7. a slider; 8. connecting blocks; 9. a rotating shaft; 10. a nut; 11. a limiting groove; 12. a bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fastener for preventing looseness comprises a sleeve body shell 1, a fastener body 2, a hook body 3, a limiting block 4, a sliding rod 5, a threaded rod 6, a sliding block 7, a connecting block 8, a rotating shaft 9, a nut 10, a limiting groove 11 and a bevel gear 12, wherein the inside of the sleeve body shell 1 is connected with the fastener body 2 in a penetrating way, the lower end of the fastener body 2 is fixedly connected with the hook body 3, the inner wall of the sleeve body shell 1 is provided with the limiting groove 11, the inside of the upper end of the fastener body 2 is connected with the limiting block 4 in a penetrating way, the upper end and the lower end of the limiting block 4 are respectively connected with the sliding rod 5 and the threaded rod 6 in a penetrating way, the upper end of the sliding rod 5 is fixedly connected with the rotating shaft 9, the inside of the rotating shaft 9 is connected with the threaded rod 6 in a penetrating, and the upper end of the upper end rotating shaft 9 is fixedly connected with a nut 10, and the nut 10 is rotatably connected on the connecting block 8.

If the connected mode of cover body shell 1 and fastener body 2 is threaded connection in fig. 1, and the length dimension of fastener body 2 is greater than the degree of depth size of cover body shell 1, and fastener body 2 constitutes "T" style of calligraphy structure with connecting block 8, conveniently with fastener body 2 fixed connection on cover body shell 1, easy to assemble uses, be the one-to-one setting with spacing groove 11 in fig. 1 and fig. 4, and stopper 4 is connected for the block with spacing groove 11's connected mode, be convenient for support the block to fastener body 2 and cover body shell 1's junction, avoid droing, influence the use.

Like stopper 4 and slider 7 constitution "T" style of calligraphy structure in fig. 1 and fig. 3, and stopper 4 is threaded connection through the connected mode of slider 7 with threaded rod 6 to stopper 4 passes through threaded rod 6 and constitutes sliding structure on slide bar 5, conveniently adjusts stopper 4's interval size, thereby is convenient for stopper 4 block to the inside of set body shell 1, convenient to use.

Connecting mode between the upper and lower monomer of axis of rotation 9 is for rotating the connection as in fig. 1 and fig. 3, and the axis of rotation 9 of upside constitutes revolution mechanic on slide bar 5 through axis of rotation 9 of downside, it is convenient to support conical gear 12, the stable rotation of conical gear 12 of also being convenient for, be perpendicular setting between the monomer of conical gear 12 as in fig. 1 and fig. 3, and the axis of rotation 9 of upside passes through conical gear 12 and threaded rod 6 and constitutes revolution mechanic, be convenient for connect through the meshing between the monomer of conical gear 12, drive threaded rod 6 and rotate, facilitate the use.

The working principle is as follows: when the anti-loosening fastener is used, firstly, with reference to figures 1 and 3, the fastener body 2 is screwed with the inner wall of the jacket body shell 1, then, as shown in fig. 1, 2 and 3, the screwdriver is engaged with the groove of the nut 10, the rotating nut 10 is rotated to drive the rotating shaft 9 to rotate, thereby being convenient for driving the rotating shaft 9 at the upper side to rotate, the rotating shaft 9 drives the conical gear 12 to rotate, the single bodies of the conical gear 12 are connected in a meshing way, thereby being convenient for driving the threaded rod 6 to rotate, the threaded rod 6 and the sliding block 7 are connected in a threaded way, thereby facilitating the adjustment of the space size of the sliding block 7, facilitating the clamping of the limiting block 4 in the limiting groove 11, thereby be convenient for strengthen fastener body 2 in the position of the inside of cover body shell 1, avoid droing and rock, influence couple 3 work uses of body, this is the whole process that prevents not hard up fastener and use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent fastener that becomes flexible, includes cover body shell (1), fastener body (2) and nut (10), its characterized in that: the inner part of the sleeve shell (1) is connected with a fastener body (2) in a penetrating manner, the lower end of the fastener body (2) is fixedly connected with a hook body (3), the inner wall of the sleeve shell (1) is provided with a limiting groove (11), the upper end of the fastener body (2) is connected with a limiting block (4) in a penetrating manner, the upper end and the lower end of the limiting block (4) are respectively connected with a sliding rod (5) and a threaded rod (6) in a penetrating manner, the upper end of the sliding rod (5) is fixedly connected with a rotating shaft (9), the inner part of the rotating shaft (9) is connected with the threaded rod (6) in a penetrating manner, the threaded rod (6) and the sliding rod (5) are both sleeved with a sliding block (7), the right end of the threaded rod (6) and the rotating shaft (9) on the upper side are, the screw cap (10) is rotatably connected to the connecting block (8).

2. A loosening prevention fastener as defined in claim 1, wherein: the sleeve body outer shell (1) and the fastener body (2) are connected in a threaded mode, the length dimension of the fastener body (2) is larger than the depth dimension of the sleeve body outer shell (1), and the fastener body (2) and the connecting block (8) form a T-shaped structure.

3. A loosening prevention fastener as defined in claim 1, wherein: the limiting blocks (4) and the limiting grooves (11) are arranged in a one-to-one correspondence mode, and the limiting blocks (4) are connected with the limiting grooves (11) in a clamping mode.

4. A loosening prevention fastener as defined in claim 1, wherein: the limiting block (4) and the sliding block (7) form a T-shaped structure, the limiting block (4) is in threaded connection with the threaded rod (6) through the sliding block (7), and the limiting block (4) forms a sliding structure on the sliding rod (5) through the threaded rod (6).

5. A loosening prevention fastener as defined in claim 1, wherein: the upper and lower single bodies of the rotating shaft (9) are connected in a rotating mode, and the rotating shaft (9) on the upper side forms a rotating structure on the sliding rod (5) through the rotating shaft (9) on the lower side.

6. A loosening prevention fastener as defined in claim 1, wherein: the single bodies of the bevel gears (12) are vertically arranged, and the rotating shaft (9) on the upper side forms a rotating structure with the threaded rod (6) through the bevel gears (12).