CN218913425U

CN218913425U - Metal axle fixing fastener

Info

Publication number: CN218913425U
Application number: CN202222891011.6U
Authority: CN
Inventors: 伍星; 郑熹; 李晓宇; 郑理策
Original assignee: Hubei Xiangyu Machinery Co ltd
Current assignee: Hubei Xiangyu Machinery Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-25
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a metal axle fixing fastener which comprises a screw rod and a screw cap fixed at the top of the screw rod, wherein the bottom of the screw cap is provided with a mounting surface, the mounting surface is connected with the screw rod, the bottom surface of the screw cap is contacted with the surface of the mounting surface, a sealing structure is arranged between the screw cap and the mounting surface and comprises a connecting ring sleeved on the outer surface of the screw cap, the bottom of the connecting ring is provided with a rubber ring, and the rubber ring is in extrusion contact with the surface of the mounting surface; through the seal structure of design, promoted the connection leakproofness between nut and the installation face, effectively avoided the gap infiltration of corrosive medium such as dust, water, corrosive liquid between nut and the installation face, avoided the bolt to receive corrosive medium influence and take place the corrosion, promoted the life of bolt, still guaranteed bolted connection's intensity, be favorable to guaranteeing the fixed stability of axle, promoted the security of traveling.

Description

Metal axle fixing fastener

Technical Field

The utility model belongs to the technical field of automobile accessories, and particularly relates to a metal axle fixing fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. Currently, automotive axle fasteners mainly employ high strength bolts and nuts. The high-strength bolt connection is an excellent steel structure connection form, and has the advantages of simple construction, easy disassembly and replacement, good stress, fatigue resistance, no looseness and the like. The high-strength automobile axle fastener disclosed in the patent application with the application number of CN202120062385.X solves the problems that a screw cap is exposed outside an axle, and corrosive media such as dust, water, corrosive liquid and the like easily permeate between the screw cap and the outer surface of the axle and between a screw rod and a threaded hole of the axle, so that the screw bolt is damaged and the service life of the fastener is influenced.

Under the prior art inspired by the applicant, a new scheme is provided for the problem that the screw bolt is damaged due to the fact that corrosive medium easily permeates between the screw cap and the outer surface of the axle and between the screw rod and the threaded hole of the axle.

Disclosure of Invention

The utility model aims to provide a metal axle fixing fastener, which solves the problems that the prior bolt structure proposed in the background art is insufficient in tightness and is easily influenced by corrosive media.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal axle fixing fastener, includes the screw rod and fixes the nut at the screw rod top, the bottom of nut is equipped with the installation face, the installation face is connected with the screw rod, the bottom surface of nut contacts with the surface of installation face, be provided with seal structure between nut and the installation face, seal structure is including the cover setting up the go-between at the nut surface, the bottom of go-between is provided with the rubber circle, the rubber circle is in extrusion contact with the surface of installation face, be provided with hoop subassembly and coupling assembling between go-between and the nut.

Preferably, the hoop assembly comprises a hoop groove formed in the edge surface of the nut, and a hoop is sleeved in the hoop groove.

Preferably, a limiting component is arranged between the hoop groove and the hoop ring, the limiting component comprises a limiting block fixed inside the hoop groove, and a limiting groove for embedding the limiting block is formed in the inner side of the hoop ring.

Preferably, the connecting assembly comprises a connecting block fixed on the outer surface of the hoop, and a connecting groove for the connecting block to penetrate is formed in the connecting ring.

Preferably, the outer end of the connecting block is fixed with an anti-falling sheet, and the anti-falling sheet is in extrusion contact with the outer surface of the connecting ring.

Preferably, the mounting surface is provided with a mounting hole, the screw penetrates through the mounting hole, a fastening structure is arranged between the screw and the mounting hole, the fastening structure comprises a lantern ring fixed on the outer side of the screw, a rubber ring is sleeved on the outer side of the lantern ring, extrusion blocks are fixed on the outer side of the rubber ring at equal intervals, and the extrusion blocks are in extrusion contact with the mounting hole.

Preferably, a limiting component is arranged between the lantern ring and the rubber ring, the limiting component comprises a clamping block fixed on the outer side of the lantern ring, and a clamping groove for clamping the clamping block is formed in the inner side of the rubber ring.

Preferably, the nut and the screw rod form a T-shaped structure, and threads are arranged on the outer side of the bottom end of the screw rod.

Compared with the prior art, the utility model has the beneficial effects that:

through the seal structure of design, promoted the connection leakproofness between nut and the installation face, effectively avoided the gap infiltration of corrosive medium such as dust, water, corrosive liquid between nut and the installation face, avoided the bolt to receive corrosive medium influence and take place the corrosion, promoted the life of bolt, still guaranteed bolted connection's intensity, be favorable to guaranteeing the fixed stability of axle, promoted the security of traveling.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is an enlarged view of a portion of the seal structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged view of a portion of the fastening structure of FIG. 1 in accordance with the present utility model;

in the figure: 100. a screw cap; 200. a screw; 300. a thread; 400. a mounting surface; 500. a mounting hole; 600. a sealing structure; 601. a hoop assembly; 6011. a hooping groove; 6012. a hoop; 602. a connecting ring; 603. a rubber ring; 604. a limit component; 6041. a limiting block; 6042. a limit groove; 605. a connection assembly; 6051. a connecting block; 6052. a connecting groove; 6053. an anti-falling sheet; 700. a fastening structure; 701. a collar; 702. a rubber ring; 703. extruding a block; 704. a restriction assembly; 7041. a clamping block; 7042. a clamping groove.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a metal axle fixing fastener, including screw rod 200 and the nut 100 of fixing at the screw rod 200 top, the bottom of nut 100 is equipped with installation face 400, installation face 400 is connected with screw rod 200, the bottom surface of nut 100 contacts with the surface of installation face 400, be provided with seal structure 600 between nut 100 and the installation face 400, through seal structure 600 of design, the connection leakproofness between nut 100 and installation face 400 has been promoted, effectively avoid the infiltration of dust, water, corrosive liquids etc. corrosive medium from the gap between nut 100 and the installation face 400, avoid the bolt to be influenced by corrosive medium and rust, the life of bolt has been promoted, still guaranteed bolted connection's intensity, be favorable to guaranteeing the stability of axle fixation, the security of traveling has been promoted, seal structure 600 includes the retainer plate 602 of cover at the nut 100 surface is established, the bottom of retainer plate 602 is provided with rubber circle 603, rubber circle 603 is in pressing contact with the surface of installation face 400, be provided with hoop subassembly 601 and coupling assembly 605 between retainer plate 602 and the nut 100, the stability of retainer plate 602 and screw rod 200 are by the metal.

In this embodiment, it is preferable that the hoop assembly 601 includes a hoop 6011 formed on an edge surface of the nut 100, and a hoop 6012 is sleeved inside the hoop 6011, and the connecting ring 602 is fixed by the hoop 6012.

In this embodiment, preferably, a limiting component 604 is disposed between the hoop 6011 and the hoop 6012, where the limiting component 604 includes a limiting block 6041 fixed inside the hoop 6011, and a limiting groove 6042 in which the limiting block 6041 is embedded is provided inside the hoop 6012, so that stability of the hoop 6012 inside the hoop 6011 is ensured.

In this embodiment, preferably, the connection assembly 605 includes a connection block 6051 fixed on the outer surface of the hoop 6012, and a connection groove 6052 for the connection block 6051 to penetrate is formed inside the connection ring 602, so as to complete the connection between the connection ring 602 and the hoop 6012.

In this embodiment, preferably, the outer end of the connecting block 6051 is fixed with a drop-preventing piece 6053, and the drop-preventing piece 6053 is in pressing contact with the outer surface of the connecting ring 602, so as to prevent the connecting ring 602 from dropping.

In this embodiment, preferably, the mounting surface 400 is provided with the mounting hole 500, the screw 200 penetrates through the mounting hole 500, the fastening structure 700 is arranged between the screw 200 and the mounting hole 500, the fastening structure 700 comprises a collar 701 fixed on the outer side of the screw 200, a rubber ring 702 is sleeved on the outer side of the collar 701, extrusion blocks 703 are fixed on the outer side of the rubber ring 702 at equal intervals, the extrusion blocks 703 are in extrusion contact with the mounting hole 500, a gap between the mounting hole 500 and the screw 200 is reduced, and relative shaking between the two is avoided.

In this embodiment, preferably, a limiting component 704 is disposed between the collar 701 and the rubber ring 702, the limiting component 704 includes a clamping block 7041 fixed on the outer side of the collar 701, and a clamping groove 7042 for clamping the clamping block 7041 is formed on the inner side of the rubber ring 702, so that the stability of the rubber ring 702 is ensured.

In this embodiment, the nut 100 and the screw 200 preferably form a T-shaped structure, and the screw 200 is provided with a thread 300 at the outer side of the bottom end thereof for threaded connection.

The working principle and the using flow of the utility model are as follows: when the bolt fastener is connected, the screw 200 can penetrate through the mounting hole 500, then the screw cap 100 is rotated, the threads 300 on the outer side of the screw 200 are in threaded connection with the outside until the bottom surface of the screw cap 100 is extruded with the mounting surface 400, at the moment, the bottom surface of the rubber ring 603 can be in extrusion contact with the surface of the mounting surface 400, and the connecting ring 602 is sleeved on the outer side surface of the screw cap 100, so that the connection tightness between the screw cap 100 and the mounting surface 400 is improved, corrosion medium infiltration is effectively avoided, and the design of the hoop component 601, the limiting component 604 and the connecting component 605 ensures the stability of the connecting ring 602 and the rubber ring 603 and prevents the connecting ring 602 and the rubber ring 603 from falling off; the design of the fastening structure 700 between the screw 200 and the mounting hole 500 improves the stability of threaded connection, reduces the gap between the screw 200 and the mounting hole 500, avoids relative shaking between the screw 200 and the mounting hole 500, and is beneficial to normal use of the bolt structure.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A metallic axle securement fastener comprising a threaded rod (200) and a nut (100) secured to the top of the threaded rod (200), characterized in that: the bottom of nut (100) is equipped with installation face (400), installation face (400) are connected with screw rod (200), the bottom surface of nut (100) is contacted with the surface of installation face (400), be provided with seal structure (600) between nut (100) and installation face (400), seal structure (600) are including cover to establish go-between (602) at nut (100) surface, the bottom of go-between (602) is provided with rubber circle (603), rubber circle (603) are contacted with the surface extrusion of installation face (400), be provided with hoop subassembly (601) and coupling assembling (605) between go-between (602) and nut (100).

2. A metallic axle securement fastener as defined in claim 1, wherein: the hoop assembly (601) comprises a hoop groove (6011) formed in the edge surface of the screw cap (100), and a hoop (6012) is sleeved in the hoop groove (6011).

3. A metallic axle securement fastener as defined in claim 2, wherein: be provided with spacing subassembly (604) between hooping groove (6011) and hoop (6012), spacing subassembly (604) are including fixing stopper (6041) inside hooping groove (6011), limit groove (6042) that supplies stopper (6041) embedding are seted up to the inboard of hoop (6012).

4. A metallic axle securement fastener as defined in claim 2, wherein: the connecting assembly (605) comprises a connecting block (6051) fixed on the outer surface of the hoop (6012), and a connecting groove (6052) for the connecting block (6051) to penetrate is formed in the connecting ring (602).

5. A metallic axle securement fastener as defined in claim 4, wherein: the outer end of the connecting block (6051) is fixedly provided with an anti-falling piece (6053), and the anti-falling piece (6053) is in extrusion contact with the outer surface of the connecting ring (602).

6. A metallic axle securement fastener as defined in claim 1, wherein: mounting hole (500) have been seted up to installation face (400), screw rod (200) run through mounting hole (500), be provided with fastening structure (700) between screw rod (200) and mounting hole (500), fastening structure (700) are including fixing lantern ring (701) in screw rod (200) outside, the outside cover of lantern ring (701) is equipped with rubber ring (702), the outside equidistance of rubber ring (702) is fixed with extrusion piece (703), extrusion piece (703) and mounting hole (500) extrusion contact.

7. A metallic axle securement fastener as defined in claim 6, wherein: a limiting component (704) is arranged between the lantern ring (701) and the rubber ring (702), the limiting component (704) comprises a clamping block (7041) fixed on the outer side of the lantern ring (701), and a clamping groove (7042) for clamping the clamping block (7041) is formed in the inner side of the rubber ring (702).

8. A metallic axle securement fastener as defined in claim 1, wherein: the screw cap (100) and the screw rod (200) form a T-shaped structure, and threads (300) are arranged on the outer side of the bottom end of the screw rod (200).