CN215568788U

CN215568788U - Non-detachable self-locking quick connector

Info

Publication number: CN215568788U
Application number: CN202121999824.6U
Authority: CN
Inventors: 朱建敏; 郭卫平
Original assignee: Waterfront Beijing Great Automotive Components Co ltd
Current assignee: Waterfront Beijing Great Automotive Components Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a non-detachable self-locking quick connector, and relates to the field of automobile crankcase ventilation pipe connectors. Including the male joint, the bottom of male joint is provided with inserts the end, first step through-hole has been seted up on the top of male joint, the inside top of female joint is provided with two second sealing washers, be provided with interior retaining ring between the bottom of two second sealing washers and the top, set up the inside at the female joint from the hasp, from the hasp including the button, connecting band and spacing portion, both sides from the hasp are provided with the button respectively, the button makes reciprocating motion for the center through the spacing portion of connecting band control, buffer portion plays the effect of guaranteeing that spacing protruding bulk deformation is even, consequently can't make spacing portion relieve the axial fixity to the spacing ring through pressing down the button, thereby the connector has realized high-speed joint and undetachable, connecting band connecting button and spacing portion have great deflection, thereby reach and easily insert and prevent pulling out and take off, therefore, the clothes hanger is strong in practicability.

Description

Non-detachable self-locking quick connector

Technical Field

The utility model relates to the technical field of automobile crankcase ventilation pipe connectors, in particular to a non-detachable self-locking quick connector.

Background

When the engine works, high-pressure combustible mixed gas and combustible gas in the combustion chamber can more or less leak into the crankcase through a gap between the piston group and the cylinder to cause air blowby, so that the service performance of engine oil is reduced, the oxidation and deterioration of the engine oil are accelerated, the pressure of the crankcase is overhigh to damage the sealing of the crankcase, and the engine oil leaks and runs off.

In order to prevent the pressure of the crankcase from being too high, prolong the service life of engine oil and prevent the engine from leaking oil, the crankcase must be ventilated through a ventilation pipe and a connector, the existing connector is detachable, if the thickness of the self-locking buckle is simply adjusted, the situation that the installation cannot be carried out can be caused, and the self-locking buckle is solid and cannot be deformed so that the installation cannot be carried out.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a non-detachable self-locking quick connector, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a non-detachable self-locking quick connector comprises a male connector, wherein an insertion end is arranged at the bottom end of the male connector, a first sealing ring is sleeved on the outer wall of the bottom of the male connector, and a first step through hole is formed in the top end of the male connector;

the top of the inside of the female joint is provided with two second sealing rings, an inner retainer ring is arranged between the bottom ends and the top ends of the two second sealing rings, and the top end of the female joint is provided with a second step through hole;

from the hasp, set up in the inside of female joint from the hasp, and be located the top of two second sealing washers, the auto-lock is detained including button, connecting band and spacing portion, both sides from the hasp are provided with the button respectively, two the relative one side difference two connecting bands of fixedly connected with of button, two the relative one side of button is respectively through the spacing portion of connecting band fixedly connected with.

Preferably, the middle part of the outer wall of the male joint is fixedly connected with two limiting rings, and the reinforcing rib is positioned in the middle part of the outer wall of the limiting frame.

Preferably, two spacing portion all includes spacing frame, spacing arch and strengthening rib, two the one side dorsad of spacing portion all is provided with spacing frame, spacing bellied both ends and spacing frame fixed connection.

Preferably, the top of the female joint is provided with a pair of first limiting grooves corresponding to the limiting parts, and the thickness of the limiting parts is greater than that of the first limiting grooves.

Preferably, the bottom of the opposite surface of the two reinforcing ribs is fixedly connected with a buffer part.

Preferably, the bottom cover of female joint outer wall is equipped with the third sealing washer, the top of female joint, and be located two and be located first spacing groove both sides and be provided with the second spacing groove that has the trompil, the second spacing groove corresponds with the button.

Preferably, a pair of reinforcing ribs is arranged at the end part between the limiting protrusion and the limiting frame, and the pair of reinforcing ribs are positioned at two sides of the reinforcing rib.

The utility model discloses a non-detachable self-locking quick connector, which has the following beneficial effects:

the utility model discloses an utilize the design from the hasp, the button makes reciprocating motion for the center through the spacing portion of connecting band control, buffering portion plays the effect of guaranteeing that spacing protruding whole is out of shape even, also prevent simultaneously that spacing protruding from being out of shape too big and arouse the fracture, because the thickness of spacing portion is greater than the thickness of first spacing groove, consequently can't make spacing portion remove the axial fixity to the spacing ring through pressing down the button, thereby the connector has realized high-speed joint and can not dismantle, connecting band connection button and spacing portion have great deflection, thereby reach and easily insert and prevent pulling out and take off, it is even connection effect to warp, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic view of a male coupling structure according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of a male fitting of a first embodiment of the present invention;

FIG. 3 is a schematic view of a female coupling structure according to a first embodiment of the present invention;

FIG. 4 is a cross-sectional view of the female fitting of the first embodiment of the present invention;

FIG. 5 is a schematic view of a self-locking buckle structure according to a first embodiment of the present invention;

FIG. 6 is a bottom view of the self-latching buckle of the first embodiment of the present invention;

FIG. 7 is a schematic structural view of a self-locking device according to a second embodiment of the present invention;

FIG. 8 is a schematic structural view of a self-locking device according to a third embodiment of the present invention;

FIG. 9 is a schematic structural view of a self-locking device according to a fourth embodiment of the present invention;

fig. 10 is a schematic structural view of a self-locking device according to a fifth embodiment of the utility model.

In the figure: 1. a male connector; 2. a first stepped through hole; 3. an insertion end; 4. a first seal ring; 5. a female joint; 6. a second stepped through hole; 7. a third seal ring; 8. a second seal ring; 9. an inner retainer ring; 10. a button; 11. a connecting belt; 12. a limiting frame; 13. reinforcing ribs; 14. a buffer section; 15. a limiting bulge; 16. a limiting ring; 17. a first limit groove; 18. a second limit groove; 19. reinforcing edges; 20. a limiting part.

Detailed Description

The utility model discloses a non-detachable self-locking quick connector, which comprises a male connector 1, wherein an insertion end 3 is arranged at the bottom end of the male connector 1, the insertion end 3 at the bottom end of the male connector 1 is inserted into the top end of a female connector 5, a first sealing ring 4 is sleeved on the outer wall of the bottom of the male connector 1, and a first step through hole 2 is formed in the top end of the male connector 1, as shown in figures 1 and 2. The female joint 5 is provided with a self-locking buckle which comprises a button 10, a connecting belt 11 and a limiting part. Two spacing portion all includes strengthening rib 13, spacing frame 12, spacing arch 15, and strengthening rib 13 is located between spacing frame 12 and the spacing arch 15 or is located spacing frame 12. The stopper boss 15 has a guide surface higher than the connection band 11.

The bottom of 1 outer wall of male joint, and be located two spacing rings 16 of top fixedly connected with of first sealing washer 4, thereby it allows spacing ring 16 to pass through to make spacing portion 20's inside deformation through the extrusion, spacing portion 20 restriction spacing ring 16 drives male joint 1 and carries out axial displacement, the bottom outer wall cover of female joint 5 is equipped with third sealing washer 7, female joint 5 still is provided with two second spacing grooves 18 that have the trompil that are located first spacing groove 17 both sides, second spacing groove 18 corresponds with button 10, deformation to spacing portion holds.

As shown in fig. 3 and 4, two second sealing rings 8 are arranged at the top inside the female joint 5, the female joint 5 is connected with the second sealing rings 8 in a sealing manner, an inner retainer ring 9 is arranged between the bottom end and the top end of each of the two second sealing rings 8, the insertion end 3 corresponds to the inner retainer ring 9 and keeps axial alignment, the insertion depth of the male joint 1 is limited, and a second step through hole 6 is formed in the top end of the female joint 5.

As shown in fig. 5 and 6, the self-locking buckle is arranged inside the female connector 5 and located at the top ends of the two second sealing rings 8, the self-locking buckle comprises a button 10, a connecting band 11 and a limiting part, the button 10 is arranged on each of the two sides of the self-locking buckle, the two opposite surfaces of the two buttons 10 are fixedly connected with the two connecting bands 11 respectively, the two opposite surfaces of the two buttons 10 are fixedly connected with the limiting part through the connecting band 11 respectively, the connecting band 11 is connected with the button 10 and the limiting part, and the connecting band 11 has large deformation and is convenient to install.

As shown in fig. 7, the second embodiment of the present invention is different from the first embodiment in that: the reinforcing ribs 13 are located outside the position limiting frame 12. The whole deformation of the limiting part is uniform, the structural strength is high, and the local deformation of the limiting bulge 15 is avoided. Compared with the first embodiment, the present embodiment has stronger pull-out prevention force.

As shown in fig. 8, the third embodiment of the present invention is different from the first embodiment in that: the two ends of the limiting bulge 15 are fixed with the limiting frame 12, and meanwhile, the connecting area of the limiting bulge 15 and the reinforcing ribs 13 is larger, so that the limiting bulge has stronger pull-out preventing force although the deformation amount is small.

As shown in fig. 9, the fourth embodiment of the present invention is different from the first embodiment in that: the limiting protrusion 15 is not connected with the reinforcing rib 13, and the limiting protrusion 15 has a gap with the reinforcing rib 13. The leading surfaces of the pair of stopper projections 15 are tapered toward the center. The inserting force of the embodiment is moderate, and the whole deformation of the limiting part is uniform.

As shown in fig. 10, the fifth embodiment of the present invention is different from the first embodiment in that: a pair of reinforcing ribs 19 are added at the end part between the limiting protrusion 15 and the limiting frame 12, the pair of reinforcing ribs 19 are positioned at both sides of the reinforcing rib 13, and a buffer part 14 is arranged between the reinforcing ribs 19 and the reinforcing rib 13. The reinforcing ribs 19 are connected to both ends of the position-restricting protrusion 15, respectively. The reinforcing ribs 19 stabilize the structure of the limiting protrusions 15, and the anti-pulling-off effect is better.

The working principle is as follows: an operator firstly inserts the insertion end 3 at the bottom end of the male joint 1 into the top end of the female joint 5, the insertion end 3 of the male joint 1 sequentially passes through the self-locking buckle and one of the second sealing rings 8, corresponds to the inner retainer ring 9 and keeps axial alignment, then the limiting ring 16 at the bottom of the male joint 1 firstly enables the outer surface of the limiting part to abut against the inner surface of the second limiting groove 18, the inner part of the limiting part is deformed by extrusion so as to allow the limiting ring 16 to pass through, finally the limiting part limits the axial movement of the limiting ring 16 and enables the receiving end to be in sealing connection with the second sealing ring 8, and the male joint 1 and the female joint 5 are plugged and sealed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A non-detachable self-locking quick connector, comprising:

the sealing device comprises a male joint (1), wherein an insertion end (3) is arranged at the bottom end of the male joint (1), a first sealing ring (4) is sleeved on the outer wall of the bottom of the male joint (1), and a first step through hole (2) is formed in the top end of the male joint (1);

the top of the inside of the female joint (5) is provided with two second sealing rings (8), an inner retainer ring (9) is arranged between the bottom end and the top end of the two second sealing rings (8), and the top end of the female joint (5) is provided with a second step through hole (6);

from the hasp, set up in the inside of female joint (5) from the hasp, and be located the top of two second sealing washer (8), the auto-lock is detained including button (10), connecting band (11) and spacing portion (20), be provided with button (10), two respectively from the both sides of hasp the relative one side of button (10) is two connecting bands (11), two respectively the relative one side of button (10) is through connecting band (11) spacing portion (20) of fixedly connected with respectively.

2. A non-detachable self-locking quick connector according to claim 1, characterized in that: the middle part of the outer wall of the male joint (1) is fixedly connected with two limiting rings (16).

3. A non-detachable self-locking quick connector according to claim 1, characterized in that: two spacing portion (20) all include spacing frame (12), spacing arch (15) and strengthening rib (13), two spacing portion (20) all are provided with spacing frame (12) to the one side of backing on the back, the both ends and spacing frame (12) fixed connection of spacing arch (15), strengthening rib (13) are located between spacing frame (12) and spacing arch (15).

4. A non-detachable self-locking quick connector according to claim 1, characterized in that: the top of the female joint (5) is provided with a pair of first limiting grooves (17) corresponding to the limiting parts (20), and the thickness of the limiting parts (20) is larger than that of the first limiting grooves (17).

5. A non-detachable self-locking quick connector according to claim 3, characterized in that: the bottom of the opposite surface of the two reinforcing ribs (13) is fixedly connected with a buffer part (14).

6. A non-detachable self-locking quick connector according to claim 1, characterized in that: the bottom cover of female joint (5) outer wall is equipped with third sealing washer (7), the top of female joint (5), and be located two and be located first spacing groove (17) both sides and be provided with second spacing groove (18) that have the trompil, second spacing groove (18) correspond with button (10).

7. A non-detachable self-locking quick connector according to claim 3, characterized in that: the end part between the limiting protrusion (15) and the limiting frame (12) is provided with a pair of reinforcing ribs (19), and the pair of reinforcing ribs (19) are positioned on two sides of the reinforcing rib (13).