CN215568801U

CN215568801U - Reliable quick connector

Info

Publication number: CN215568801U
Application number: CN202120187674.2U
Authority: CN
Inventors: 黄国喜; 褚学进; 张建新
Original assignee: Wuhan Jieli Sanitation Automotive Equipment Co ltd
Current assignee: Wuhan Jieli Sanitation Automotive Equipment Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2022-01-18
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a reliable quick connector which comprises a female end connector and a male end connector, wherein a sealing rubber gasket is arranged in the female end connector and comprises a first ring body and a second ring body, the section of the first ring body is square, the section of the second ring body is trapezoidal, the second ring body is positioned in the first ring body, a V-shaped groove extending to the first ring body along the radial direction of the second ring body is arranged on the ring surface of the second ring body, and the sum of the thicknesses of the two side parts of the second ring body positioned in the V-shaped groove is smaller than the thickness of the first ring body. The sealed cushion design is the opening type, when the male end connects and inserts female end and connect, the compression range of sealed cushion will increase to improve its elasticity, simultaneously, carried out ingenious design based on application environment, sealed cushion is compressed the back, the space in V type inslot still leaves the leeway, malleation in the quick-connect plug will make the left and right sides part in V type groove all receive the extrusion force, and then paste tight female end joint and male end joint respectively, above-mentioned design has obviously improved the leakproofness of male end joint and female end articulate department.

Description

Reliable quick connector

Technical Field

The utility model relates to the technical field of parts for sanitation vehicles, in particular to a reliable quick connector.

Background

The quick connector for the sanitation vehicle comprises a female end connector and a male end connector, wherein a sealing rubber gasket is arranged in the female end connector, and when the male end connector is inserted into the female end connector, the sealing rubber gasket is compressed and the joint of the female end connector and the male end connector is sealed. The sealing rubber pad used in the conventional quick connector is generally a solid rubber pad, the sealing effect is limited, and the situations that the sealing rubber pad loses elasticity to influence sealing and the like due to poor sealing or long-time use are easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reliable quick connector aiming at the prior technical situation, wherein a sealing rubber gasket is designed to be open, when a male end connector is inserted into a female end connector, the compression range of the sealing rubber gasket is enlarged, so that the elasticity of the sealing rubber gasket is improved, meanwhile, the sealing rubber gasket is ingeniously designed based on the application environment, after the sealing rubber gasket is compressed, the space in a V-shaped groove is still left, the positive pressure in the quick connector enables the left side part and the right side part of the V-shaped groove to be subjected to extrusion force, so that the left side part and the right side part are respectively attached to the female end connector and the male end connector, and the design obviously improves the sealing performance of the joint of the male end connector and the female end connector.

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

a reliable quick connector comprises a female connector and a male connector which are matched; the female end joint is of a T-shaped hollow tubular structure, an annular sealing rubber mat is arranged on the inner step surface of the female end joint, and a plurality of limiting pieces are arranged on the outer wall of the female end joint along the annular direction of the female end joint; the male end joint is of a straight-line hollow tubular structure, a limiting structure matched with the limiting piece is arranged on the outer wall of the male end joint, and after the male end joint is connected into the female end joint, the limiting piece is matched with the limiting structure, so that the male end joint is fixed in the female end joint and tightly presses the sealing rubber gasket; the sealing rubber gasket comprises a first ring body and a second ring body which are integrally formed, the second ring body is located in the first ring body, the section of the first ring body is square, the section of the second ring body is trapezoidal, the thickness of the second ring body is gradually increased from the circumference of the second ring body connected with the first ring body to the circumference of the second ring body away from the first ring body, a V-shaped groove extending to the first ring body along the radial direction of the V-shaped groove is formed in the ring surface of the second ring body, and the thickness sum of the two side parts of the V-shaped groove of the second ring body is smaller than the thickness of the first ring body.

Furthermore, the thickness of the second ring body positioned on the two side parts of the V-shaped groove is the same.

Furthermore, the V-shaped groove extends to the first ring body along the ring surface of the second ring body in the radial direction and extends to the joint of the first ring body and the second ring body.

Furthermore, the locating part is a handle with an arc-shaped structure at the front end, a plurality of groups of hinge lugs are arranged on the outer wall of the female end joint along the circumferential direction of the outer wall, the hinge lugs are communicated with the inner cavity of the female end joint, the handle is eccentrically arranged on the hinge lugs, an arc-shaped limiting groove is arranged on the outer wall of the male end joint along the circumferential direction of the outer wall, and after the handle is rotated by 90 degrees, the arc-shaped structure arranged at the front end of the handle is eccentrically rotated and then embedded into the arc-shaped limiting groove, so that the male end joint is fixed in the female end joint and compresses the sealing rubber gasket.

Furthermore, the tail end of the male end connector is provided with a flange which is integrally formed with the male end connector, and the male end connector is connected with the tank body through the flange.

The utility model has the beneficial effects that:

compared with the prior art, its reliable quick connector will seal the cushion and design for the opening type, when the male end connects and inserts female end and connect, the compression range of sealed cushion will increase, thereby improve its elasticity, and simultaneously, ingenious design has been carried out based on application environment, sealed cushion is compressed the back, space in V type groove still leaves the leeway, malleation in the quick connector will make the left and right sides part in V type groove all receive the extrusion force, and then paste tight male end and connect with female end, above-mentioned design has obviously improved the leakproofness of male end joint with female end articulate department.

Drawings

FIG. 1 is a schematic structural view of a quick connector according to the present invention;

FIG. 2 is a schematic radial cross-sectional view (natural state) of the sealing gasket of the present invention;

FIG. 3 is a schematic radial cross-sectional view (compressed state) of the sealing gasket of the present invention;

FIG. 4 is a schematic illustration of a disassembled structure of the female terminal fitting of the present invention (without the sealing rubber gasket);

FIG. 5 is a schematic view of the male end fitting of the present invention.

Description of the labeling: 1. female end joint, 2, handle, 3, hinge lug, 4, male end joint, 4-1, arc-shaped limiting groove, 5, sealing rubber gasket, 5-1, first ring body, 5-2, second ring body, 5-3, V-shaped groove, 6 and flange plate.

Detailed Description

The utility model will be further explained with reference to the drawings.

Referring to fig. 1, a reliable quick connector includes a female connector 1 and a male connector 4, the female connector 1 is connected to a water pipe, a flange 6 integrally formed with the male connector 4 is provided at the end of the male connector 4, and the male connector 4 is connected to a tank through the flange 6. The connection of the male end fitting 4 to the tank is not limited to flange connection, and may be screw connection or the like.

Wherein, female end joint 1 is equipped with annular sealed cushion 5 for T type cavity tubular structure and its interior step face, be equipped with a plurality of locating parts along its hoop on female end joint 1's the outer wall, male end joint 4 is a style of calligraphy cavity tubular structure, be equipped with on male end joint 4's the outer wall with locating part assorted limit structure, male end joint 4 inserts female end joint 1 back, cooperatees through locating part and limit structure, make male end joint 4 fix in female end joint 1 and compress tightly sealed cushion 5 to reach the purpose of water pipe and jar body high-speed joint.

Referring to fig. 2-3, the sealing rubber gasket 5 includes a first ring body 5-1 and a second ring body 5-2 formed integrally, the second ring body 5-2 is located in the first ring body 5-1, the cross section of the first ring body 5-1 is square, the cross section of the second ring body 5-2 is trapezoidal, and the thickness of the second ring body 5-2 gradually increases from the circumference where the second ring body is connected with the first ring body 5-1 to the circumference where the second ring body is away from the first ring body 5-1. The annular surface of the second annular body 5-2 is provided with a V-shaped groove 5-3 extending to the first annular body 5-1 along the radial direction, the sum of the thicknesses of the two side parts of the V-shaped groove 5-3 of the second annular body 5-2 is less than the thickness of the first annular body 5-1, and the thickness relation takes the deformation of the first annular body 5-1 and the second annular body 5-2 when the male end joint 4 is connected into the female end joint 1 into consideration.

Preferably, the thicknesses of the two side parts of the V-shaped groove 5-3 of the second ring body 5-2 are the same, so that the manufacturing difficulty can be reduced, and the elastic restoring forces of the two side parts of the V-shaped groove 5-3 can be kept consistent.

Preferably, the V-shaped groove 5-3 extends along the annular surface of the second ring body 5-2 toward the first ring body 5-1 and extends to the joint of the first ring body 5-1 and the second ring body 5-2, that is, unlike the case shown in fig. 2 or fig. 3, the V-shaped groove 5-3 does not extend into the first ring body 5-1, so as to prevent the V-shaped groove 5-3 from affecting the elasticity of the first ring body 5-1.

Among the above-mentioned technical scheme, with sealed cushion 5 design for the open type, when male end connects 4 and inserts female end and connects 1, sealed cushion 5's compression range will increase to improve its elasticity, simultaneously, carry out ingenious design based on application environment, sealed cushion 5 is compressed the back, the space in V type groove 5-3 still leaves the room, malleation in the quick-connect plug will make V type groove 5-3 the left and right sides part all receive the extrusion force, and then paste tight male end and connect 4 and female end and connect 1, the leakproofness of male end joint 4 with female end joint 1 junction has been improved remarkably to above-mentioned design.

In one embodiment, please refer to fig. 1 and 4-5, the limiting member is a handle 2 having an arc-shaped structure at the front end, two sets of hinge lugs 3 are arranged on the outer wall of the female end connector 1 along the circumferential direction thereof, the hinge lugs 3 penetrate into the inner cavity of the female end connector 1, the handle 2 is eccentrically installed on the hinge lugs 3, and an arc-shaped limiting groove 4-1 is arranged on the outer wall of the male end connector 4 along the circumferential direction thereof.

Specifically, after the female end joint 1 is connected with the male end joint 4, the handle 2 is rotated by 90 degrees, the arc-shaped structure arranged at the front end of the handle 2 is eccentrically rotated and then embedded into the arc-shaped limiting groove 4-1, so that the male end joint 4 is fixed in the female end joint 1 and the sealing rubber gasket 5 is tightly pressed. The male end fitting 4 and the female end fitting 1 may be connected in other ways, but it is necessary to ensure a pressing force therebetween.

It should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, therefore, all equivalent changes in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A reliable quick connector is characterized in that: comprises a female end joint and a male end joint which are matched; the female end joint is of a T-shaped hollow tubular structure, an annular sealing rubber mat is arranged on the inner step surface of the female end joint, and a plurality of limiting pieces are arranged on the outer wall of the female end joint along the annular direction of the female end joint; the male end joint is of a straight-line hollow tubular structure, a limiting structure matched with the limiting piece is arranged on the outer wall of the male end joint, and after the male end joint is connected into the female end joint, the limiting piece is matched with the limiting structure, so that the male end joint is fixed in the female end joint and tightly presses the sealing rubber gasket; the sealing rubber gasket comprises a first ring body and a second ring body which are integrally formed, the second ring body is located in the first ring body, the section of the first ring body is square, the section of the second ring body is trapezoidal, the thickness of the second ring body is gradually increased from the circumference of the second ring body connected with the first ring body to the circumference of the second ring body away from the first ring body, a V-shaped groove extending to the first ring body along the radial direction of the V-shaped groove is formed in the ring surface of the second ring body, and the thickness sum of the two side parts of the V-shaped groove of the second ring body is smaller than the thickness of the first ring body.

2. A positive quick connector as claimed in claim 1, wherein: the thickness of the second annular body positioned on the two side parts of the V-shaped groove is the same.

3. A positive quick connector as claimed in claim 1 or 2, wherein: the V-shaped groove extends to the first ring body along the ring surface of the second ring body in the radial direction and extends to the joint of the first ring body and the second ring body.

4. A positive quick connector as claimed in claim 1, wherein: the locating part is a handle with an arc-shaped structure at the front end, a plurality of groups of hinge lugs are arranged on the outer wall of the female end joint along the circumferential direction of the outer wall, the hinge lugs penetrate through the inner cavity of the female end joint, the handle is eccentrically arranged on the hinge lugs, an arc-shaped limiting groove is arranged on the outer wall of the male end joint along the circumferential direction of the outer wall, and after the handle is rotated by 90 degrees, the arc-shaped structure arranged at the front end of the handle is eccentrically rotated and then embedded into the arc-shaped limiting groove, so that the male end joint is fixed in the female end joint and compresses the sealing rubber gasket.

5. A positive quick connector as claimed in claim 1, wherein: the tail end of the male end joint is provided with a flange which is integrally formed with the male end joint, and the male end joint is connected with the tank body through the flange.