CN212250787U

CN212250787U - Connecting nut with good sealing performance

Info

Publication number: CN212250787U
Application number: CN202020985721.3U
Authority: CN
Inventors: 朱疆; 常建
Original assignee: Taixing Lianfei Electronic Technology Co ltd
Current assignee: Taixing Lianfei Electronic Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-12-29
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a coupling nut that leakproofness is good, including nut main part, joint strip and imbibition bed course, the both sides terminal surface of nut main part all bonds and has the antiskid bed course, six turning inside all runs through of nut main part have the jack, joint strip and imbibition bed course all place the inboard in the tooth's socket. The utility model discloses a jack grafting locating lever, fix a position nut main part, it is accurate to make nut main part and equipment body or be connected the face between the location, the shock that receives influences lessly, and then avoid the nut main part to appear separating or the problem of taking off the silk, the imbibition bed course bonds firmly in the tooth's socket simultaneously, can absorb a small amount of fluid of getting into in the tooth's socket etc., the spongy structure of imbibition bed course makes the imbibition bed course have good water absorption effect, can be fast with getting into a small amount of fluids in the tooth's socket etc. clean up, imbibition bed course thickness is enough, can absorb more fluid etc., thereby help guaranteeing the sealing performance of this nut.

Description

Connecting nut with good sealing performance

Technical Field

The utility model relates to a nut technical field specifically is a coupling nut that leakproofness is good.

Background

The nut is a nut, is a part which is screwed together with a bolt or a screw rod to play a fastening role, is an element which is necessary for all production and manufacturing machines, can be divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials, belongs to one of standard parts, is visible and unavailable everywhere in mechanical equipment, and has an important role in the electric connector, and the use of the nut can ensure that the electric connector has a stable structure and is not easy to loosen.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional connecting nut is not tightly connected with an electric connector in the using process, and the problem of separation and even wire separation easily occurs due to shaking;

(2) traditional coupling nut does not have good leakproofness, leads to fluid to permeate the nut easily, if chooses joint strip for use to seal coupling nut, considers joint strip's life limited, uses also to have certain error possibility, and sealed effect is also not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coupling nut that leakproofness is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coupling nut that leakproofness is good, includes nut main part, joint strip and imbibition bed course, the both sides terminal surface of nut main part all bonds and has the skid resistant bed course, the inside jack that all runs through in six turnings of nut main part, and the inside of jack all pegs graft and have the locating lever, the tooth's socket has been seted up to the inner wall of nut main part, joint strip and imbibition bed course are all placed in the inboard of tooth's socket, and joint strip bonds on the lateral surface of imbibition bed course, be provided with the viscose layer between joint strip and the imbibition bed course.

Preferably, the jacks are arranged at equal angles relative to the symmetrical center line of the nut body, and the jacks are respectively vertical to the surfaces of the two sides of the nut body.

Preferably, the insides of the insertion holes are all bonded with frosted layers, the outer walls of the positioning rods are coated with outer coating layers, and the outer coating layers are tightly adhered to the frosted layers.

Preferably, the central axis of the insertion hole coincides with the central axis of the positioning rod, and the inner side surface of the insertion hole is tightly attached to the outer wall surface of the positioning rod.

Preferably, the tooth grooves are connected with the liquid absorption cushion layer in an adhesive mode, and the liquid absorption cushion layer is in a sponge-shaped structure.

Preferably, the liquid absorption cushion layer is in adhesive connection with the sealing rubber strip, and the thickness of the liquid absorption cushion layer is twice of that of the sealing rubber strip.

Preferably, the outer edge of the liquid absorption cushion layer is flush with the outer edge of the tooth grooves, and the distance between the outer edge of the sealing rubber strip and the outer edge of the liquid absorption cushion layer is 0.5 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting nut with good sealing performance has good sealing performance, can be stably installed, is less influenced by equipment vibration, and is not easy to loosen, separate from the equipment or drop threads;

(1) the positioning rod is inserted into the insertion hole to position the nut main body, so that the nut main body is accurately positioned with the equipment body or the connecting surface and is less influenced by vibration, the problem of separation or thread drop of the nut main body is solved, the insertion hole and the positioning rod are tightly inserted, the friction force between the positioning rod and the nut main body is larger, and the nut main body can obtain a good positioning effect from the positioning rod due to the friction force;

(2) the liquid absorption cushion layer is firmly bonded in the tooth grooves and can absorb a small amount of oil and the like entering the tooth grooves, the sponge-shaped structure of the liquid absorption cushion layer enables the liquid absorption cushion layer to have a good water absorption effect and can quickly absorb the small amount of oil and the like entering the tooth grooves completely, the thickness of the liquid absorption cushion layer is enough, and more oil and the like can be absorbed, so that the sealing performance of the nut is guaranteed;

(3) be connected closely between imbibition bed course and the joint strip, joint play is to the sealed effect of tooth's socket for this nut has good sealing performance, and joint strip is used for keeping apart steam, avoids water to pass through the nut main part along the tooth's socket, for guaranteeing sealing performance, and joint strip's outside border is exposed at the outside border of imbibition bed course, so just so make unnecessary steam can be absorbed by the imbibition bed course as far as, and can't pass through the nut main part.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of a partial structure of the cross section of the sealing rubber strip and the liquid-absorbing cushion layer of the present invention;

fig. 4 is a schematic view of the tooth socket structure of the present invention.

In the figure: 1. a nut body; 101. an anti-slip cushion layer; 2. a jack; 201. sanding layer; 3. positioning a rod; 301. coating a paint layer; 4. a tooth socket; 5. sealing rubber strips; 6. a liquid-absorbing cushion layer; 7. and (5) gluing the layers.

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 an embodiment: a connecting nut with good sealing performance comprises a nut main body 1, a sealing rubber strip 5 and a liquid absorption cushion layer 6, wherein anti-skidding cushion layers 101 are bonded on the end surfaces of two sides of the nut main body 1, jacks 2 penetrate through the interior of six corners of the nut main body 1, positioning rods 3 are inserted into the jacks 2, the jacks 2 are arranged at equal angles relative to the symmetrical center line of the nut main body 1, the jacks 2 are respectively vertical to the surfaces of two sides of the nut main body 1, the central axes of the jacks 2 are superposed with the central axes of the positioning rods 3, the inner side surfaces of the jacks 2 are tightly attached to the outer wall surfaces of the positioning rods 3, the jacks 2 are used for inserting the positioning rods 3, the aim is to position the nut main body 1, so that the positioning between the nut main body 1 and an equipment body or a connecting surface is accurate, the influence of vibration is small, the problem of separation or thread falling off of the nut main body 1 is avoided, and frosted layers, the outer wall of the positioning rod 3 is coated with an outer coating paint layer 301, the outer coating paint layer 301 is tightly attached to the frosted layer 201, the insertion hole 2 is tightly inserted into the positioning rod 3, so that the friction force between the positioning rod 3 and the nut main body 1 is large, and the nut main body 1 can obtain a good positioning effect from the positioning rod 3 due to the friction force;

tooth's socket 4 has been seted up to the inner wall of nut main part 1, joint strip 5 and imbibition bed course 6 are all placed in the inboard of tooth's socket 4, and joint strip 5 bonds on the lateral surface of imbibition bed course 6, be provided with viscose layer 7 between joint strip 5 and the imbibition bed course 6, be adhesive connection between tooth's socket 4 and the imbibition bed course 6, and the inside of imbibition bed course 6 is spongy structure, imbibition bed course 6 firmly bonds in tooth's socket 4, mainly be used for absorbing a small amount of fluid etc. that get into in tooth's socket 4, the spongy structure of imbibition bed course 6 makes imbibition bed course 6 have good water absorption effect, can be fast with the clean up absorption of a small amount of fluid etc. that get into in tooth's socket 4, be adhesive connection between imbibition bed course 6 and the joint strip 5, and the thickness of imbibition bed course 6 is twice of joint strip 5, it is, make this nut have good sealing performance, 6 thickness on imbibition bed course are enough, can absorb more fluid etc., thereby help guaranteeing the sealing performance of this nut, the outside border of imbibition bed course 6 is along the looks parallel and level with the outside of tooth's socket 4, and the outside border of joint strip 5 is 0.5mm apart from the outside border of imbibition bed course 6, joint strip 5 is used for keeping apart steam, avoid water to pass through nut main part 1 along tooth's socket 4, for guaranteeing sealing performance, the outside border of imbibition bed course 6 exposes joint strip 5's outside border, so just make unnecessary steam can be absorbed by imbibition bed course 6 as far as possible, and can't pass through nut main part 1.

The working principle is as follows: the utility model discloses when using, at first set up the locating hole on the installation face, the position and the quantity of locating hole should be decided by the position and the quantity of locating lever 3, cup joint the outside at the screw rod with 1 spiral of nut main part, screw up the back, pass jack 2 respectively with locating lever 3, until all insert foretell locating hole with each locating lever 3, nut main part 1 is fixed promptly this moment, nut main part 1 is in the course of the work, when fluid tries to pass through from nut main part 1, at first can receive joint strip 5's hindrance effect, a small amount of fluid in getting into nut main part 1 will be absorbed by imbibition bed course 6 after that.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a coupling nut that leakproofness is good, includes nut main part (1), joint strip (5) and imbibition bed layer (6), its characterized in that: the both sides terminal surface of nut main part (1) all bonds and has antiskid bed course (101), six turning inside of nut main part (1) all runs through there are jack (2), and the inside of jack (2) all pegs graft and have locating lever (3), tooth's socket (4) have been seted up to the inner wall of nut main part (1), joint strip (5) and imbibition bed course (6) are all placed in the inboard of tooth's socket (4), and joint strip (5) bond on the lateral surface of imbibition bed course (6), be provided with viscose layer (7) between joint strip (5) and imbibition bed course (6).

2. The coupling nut with good sealing performance as claimed in claim 1, wherein: the jacks (2) are arranged at equal angles relative to the symmetrical center line of the nut body (1), and the jacks (2) are respectively perpendicular to the surfaces of the two sides of the nut body (1).

3. The coupling nut with good sealing performance as claimed in claim 1, wherein: the inside of jack (2) all bonds and has dull polish layer (201), the outer wall of locating lever (3) all coats and has outer covering paint layer (301), and closely pastes between outer covering paint layer (301) and dull polish layer (201).

4. The coupling nut with good sealing performance as claimed in claim 1, wherein: the axis of the jack (2) coincides with the axis of the positioning rod (3), and the inner side surface of the jack (2) is tightly attached to the outer wall surface of the positioning rod (3).

5. The coupling nut with good sealing performance as claimed in claim 1, wherein: the tooth grooves (4) are connected with the liquid absorption cushion layer (6) in an adhesive mode, and the liquid absorption cushion layer (6) is in a sponge-shaped structure.

6. The coupling nut with good sealing performance as claimed in claim 1, wherein: the liquid absorption cushion layer (6) is connected with the sealing rubber strip (5) in an adhesive mode, and the thickness of the liquid absorption cushion layer (6) is twice that of the sealing rubber strip (5).

7. The coupling nut with good sealing performance as claimed in claim 1, wherein: the outside border of imbibition bed course (6) is along the same level with the outside of tooth's socket (4) along mutually, and the outside border distance of joint strip (5) the outside border of imbibition bed course (6) is 0.5 mm.