CN217653466U

CN217653466U - Quick connector with annular self-locking buckle

Info

Publication number: CN217653466U
Application number: CN202221082939.3U
Authority: CN
Inventors: 朱建敏; 郭卫平; 朱骥芬
Original assignee: Waterfront Beijing Great Automotive Components Co ltd
Current assignee: Waterfront Beijing Great Automotive Components Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-25
Anticipated expiration: 2032-05-07

Abstract

The utility model provides a quick connector with annular is from hasp, including the connector body, the lower extreme of connector body sets up to the pawl end, and the upper end of connector body is provided with unlocking portion, and O type circle slot has been seted up to the higher authority of connector body, and the fixed spacing dish that is provided with in below that lies in O type circle slot on the inside connector body of unlocking portion, unlocking portion are including fixed cantilever mounting disc, the symmetry setting of setting in cantilever mounting disc both sides in the cantilever mounting disc below spacing, connect the extrusion ring of both sides cantilever upper end, and the upper end of cantilever is provided with the back-off, has seted up the seal groove on the spacing dish. The utility model has the advantages that the sealing groove is arranged on the limiting disc, and the end part of the inserted opposite-insertion interface is sealed through the sealing groove, so that the sealing effect is better after the connection is finished; the unlocking part is arranged at the end part of the connector body, and the installation is formed by clamping the inverted buckle on the cantilever of the unlocking part and the port groove on the opposite-insertion interface, so that the connection is convenient and the structure is stable.

Description

Quick connector with annular self-locking buckle

Technical Field

The utility model relates to a quick-plug connector connects technical field, concretely relates to quick connector with annular is from hasp.

Background

In the development of the current automobile industry, along with the requirement of lighter weight of automobiles, more and more quick-plug connector joints and pipelines are plasticized by metal materials, so that the plastic quick-plug connector joints are more and more used, such as a fuel pipeline, an air brake pipeline, a cooling water pipeline and an SCR (selective catalytic reduction) aftertreatment pipeline. As one of the main parts of the pipeline system, the quick-plug connector joint is an essential part which can be rapidly disassembled and assembled without using tools, and has the advantages of compact structure, small volume, light weight, high pressure resistance, interchangeability and the like.

The quick connection installation is accomplished through connecing with inserting the card to the quick plug connector now, and its connection stability is not enough, does not seal the processing to the tip of inserting the interface moreover, and sealed effect is unsatisfactory, the seepage easily appears. Therefore, the utility model provides a quick connector with annular is from hasp.

Disclosure of Invention

An object of the utility model is to provide a quick connector with annular is from hasp makes the connection position structure closely stable through unlocking part, seals the processing through setting up the tip to inserting the interface of seal groove to connecting, improves sealed effect.

In order to solve the technical problem, the utility model provides a quick connector with annular self-locking catch, including the connector body, the lower extreme of connector body sets up to the pawl end, and the pawl end is used for carrying out reaming hard joint with the nylon tube, the upper end of connector body is provided with unlocking part, and unlocking part is used for spacing fixed to the joint interface of connecting, the higher authority of connector body has seted up O type circle slot, and O type circle slot and the O type circle phase-match that sets up on the joint interface of inserting, accomplish the joint connection through O type circle joint on the joint interface to O type circle slot, the connector body inside the unlocking part is located the below of O type circle slot and is fixed and is provided with spacing dish, and spacing dish is used for contacting with the tip of the joint interface of connecting, plays limiting displacement, unlocking part includes cantilever mounting disc, the cantilever mounting disc of symmetry setting in cantilever mounting disc both sides, connects the extrusion ring of both sides cantilever upper end that the upper end is provided with the back-off, the seal groove has been seted up on the spacing dish; the cantilever mounting disc is fixedly connected with the connector body and used for supporting and mounting a cantilever, and an inverted buckle is arranged at the upper end of the cantilever and is clamped with a port groove on the opposite insertion interface through the inverted buckle; the limiting disc is provided with a sealing groove, when the plug-in interface is connected, the end part of one end of the plug-in interface, which is inserted into the unlocking part, is embedded into the sealing groove of the limiting disc in a clamping manner, and the end part is subjected to sealing treatment.

Preferably, the inverted tooth end at the lower end of the connector body is connected with the nylon pipe, and the unlocking part at the upper end of the connector body is connected with the plug interface.

Preferably, an inclined guide chamfer is arranged on the reverse buckle at the upper end of the cantilever. Through set up the direction chamfer on the back-off, conveniently insert the cooperation to the interface, until the back-off joint of cantilever arrives in the port slot to the interface.

Preferably, a matched sealing ring is arranged in the sealing groove. The end part of the opposite insertion port is inserted into the sealing groove, and the end part of the opposite insertion port is sealed through the sealing ring in the sealing groove.

Preferably, the sealing washer includes the sealing washer body, and the embedded groove has been seted up to the centre of sealing washer body, and the upper end of embedded groove has been seted up and has been led to the chamfer, the sealing washer is made for the rubber material.

The utility model has the advantages that: the utility model has the advantages that the sealing groove is arranged on the limiting disc, and the end part of the inserted opposite-insertion interface is sealed through the sealing groove, so that the sealing effect is better after the connection is finished; the unlocking part is arranged at the end part of the connector body, and the installation is formed by clamping the inverted buckle on the cantilever of the unlocking part and the port groove on the opposite-insertion interface, so that the connection is convenient and the structure is stable.

Drawings

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

fig. 2 is a front schematic view of the present invention;

fig. 3 is a schematic structural view of the limiting plate of the present invention;

fig. 4 is a schematic structural view of the sealing groove of the present invention.

The connector comprises a connector body 1, a tooth chamfering end 2, an unlocking part 3, a cantilever mounting disc 31, a cantilever 32, a 33 extrusion ring, a back-off 34, a guide chamfer 35, a 4O-shaped ring groove, a limiting disc 5, a sealing groove 6, a sealing ring 7, a sealing ring body 71, an embedded groove 72 and a guide chamfer 73.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Furthermore, the embodiments of the invention described in the following description are generally only some embodiments, but not all embodiments, of the invention. Therefore, based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

A quick connector with an annular self-locking buckle comprises a connector body 1, wherein the lower end of the connector body 1 is provided with a pawl end 2, the pawl end 2 is used for carrying out reaming hard connection with a nylon pipe, the upper end of the connector body 1 is provided with an unlocking part 3, the unlocking part 3 is used for limiting and fixing a connected plug interface, an O-shaped ring groove 4 is formed in the upper surface of the connector body 1, the O-shaped ring groove 4 is matched with an O-shaped ring arranged on the plug interface, the O-shaped ring on the plug interface is clamped into the O-shaped ring groove 4 to complete clamping connection, a limiting disc 5 is fixedly arranged below the O-shaped ring groove 4 on the connector body 1 inside the unlocking part 3, the limiting disc 5 is used for contacting with the end part of the connected plug interface to play a limiting role, meanwhile, the limiting disc 5 also plays a sealing role on the end part of the plug interface, the unlocking part 3 comprises a cantilever mounting disc 31 fixedly arranged below the limiting disc 5, cantilevers 32 symmetrically arranged on two sides of the cantilever mounting disc 31 and connected with two sides, an extrusion ring 33 connected with the upper ends of the cantilevers 32, and an extrusion ring 34 arranged on the upper end of the cantilevers 32, and a sealing groove 6 is formed on the upper end of the cantilevers 32; the cantilever mounting disc 31 is fixedly connected with the connector body 1 and used for supporting and mounting the cantilever 32, and the upper end of the cantilever 32 is provided with an inverted buckle 34 which is clamped with a port groove on the opposite-insertion interface through the inverted buckle 34; the limiting disc 5 is provided with a sealing groove 6, when the plug-in interface is connected, the end part of one end of the plug-in interface, which is inserted into the unlocking part 3, is embedded into the sealing groove 6 of the limiting disc 5 in a clamping manner, and the end part is subjected to sealing treatment.

Preferably, the inverted tooth end 2 at the lower end of the connector body 1 is connected with a nylon pipe, and the unlocking part 3 at the upper end of the connector body 1 is connected with the plug interface.

Preferably, the undercut 34 at the upper end of the cantilever 32 is provided with an inclined guide chamfer 35. By arranging the guide chamfer 35 on the reverse buckle 34, the insertion port can be conveniently inserted and matched until the reverse buckle 34 of the cantilever 32 is clamped into the port groove of the insertion port.

Preferably, a matching sealing ring 7 is arranged in the sealing groove 6. The end of the butt-joint interface is inserted into the sealing groove 6, and the end of the butt-joint interface is sealed through the sealing ring 7 in the sealing groove 6.

Preferably, the seal ring 7 includes a seal ring body 71, an embedded groove 72 is formed in the middle of the seal ring body 71, a leading chamfer 73 is formed at the upper end of the embedded groove 72, and the seal ring 7 is made of rubber.

In the embodiment, when the connector is used, the inverted tooth end 2 of the connector body 1 is connected with a nylon pipe, when the connector is connected with an opposite insertion interface, the opposite insertion interface is inserted into the unlocking part 3 from one end of the unlocking part 3, the upper end of a cantilever 32 of the unlocking part 3 is provided with an inverted buckle 34, the inverted buckle 34 is provided with a guide chamfer 35, the opposite insertion interface is gradually inserted into the unlocking part 3 along the guide chamfer 35 until the inverted buckle 34 is completely embedded into a port groove on the opposite insertion interface, at the moment, an O-shaped ring on the opposite insertion interface is clamped into an O-shaped ring groove 4 above the connector body 1, the end of the opposite insertion interface is inserted into a sealing groove 6 on a limiting disc 5, the end of the opposite insertion interface is sealed through the sealing groove 6, the sealing effect after the connection is finished is ensured, and the unlocking part 3 is fixedly connected with the inserted opposite insertion interface through the inverted buckle 34, so that the connection structure is stable; the upper ends of the two symmetrical cantilevers 32 are connected through the extrusion ring 33, the deformation amount of the extrusion ring 33 is large, when the opposite-insertion interface is required to be pulled out from the unlocking part 3, the two sides of the two cantilevers 32 which are not provided with the extrusion ring 33 are pressed by hands, the inverted buckles 34 on the cantilevers 32 on the two sides are spread through extrusion, the inverted buckles 34 are separated from the port grooves on the opposite-insertion interface, then the opposite-insertion interface is pulled out outwards, and the disassembly is completed.

Claims

1. The utility model provides a quick connector with annular is from hasp, includes the connector body, its characterized in that, the lower extreme of connector body sets up to the pawl end, the upper end of connector body is provided with unlocking portion, O type circle slot has been seted up to the higher authority of connector body, the fixed spacing dish that is provided with in below that lies in O type circle slot on the inside connector body of unlocking portion, unlocking portion sets up cantilever mounting disc, the symmetry in cantilever mounting disc both sides, the extrusion ring of connecting both sides cantilever upper end including fixed cantilever mounting disc, the symmetry that sets up in spacing dish below, the upper end of cantilever is provided with the back-off, the seal groove has been seted up on the spacing dish.

2. The quick connector with the annular self-locking buckle as claimed in claim 1, wherein the inverted tooth end at the lower end of the connector body is connected with a nylon tube, and the unlocking part at the upper end of the connector body is connected with the plug interface.

3. The quick connector with annular self-latching of claim 1, wherein the undercut on the upper end of the cantilever arm is provided with an inclined guide chamfer.

4. The quick connector with annular self-latching of claim 1, wherein a mating sealing ring is disposed within said sealing groove.

5. The quick connector with the annular self-locking buckle according to claim 4, wherein the sealing ring comprises a sealing ring body, an embedded groove is formed in the middle of the sealing ring body, and a guide chamfer is formed at the upper end of the embedded groove.

6. The quick connector with annular self-locking feature of claim 5, wherein the seal ring is made of rubber.