CN210240871U

CN210240871U - Quick connector

Info

Publication number: CN210240871U
Application number: CN201920804320.0U
Authority: CN
Inventors: Bo Feng; 冯波; Zhixiang Zhou; 周志翔
Original assignee: Zhejiang Boshite Mechanical Co ltd
Current assignee: Zhejiang Boste Group Co.,Ltd.
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-03
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a quick connector, which comprises a loosening cap, a connector main body, a plum blossom-shaped elastic sheet and a base, wherein the upper end of a step hole on the bottom of the base is provided with a taper hole, the upper end of the taper hole is provided with a screw hole, and an elastic sheet of the plum blossom-shaped elastic sheet is downwards arranged in the screw hole and is placed at the bottom of the screw hole; the lower end of the mounting hole of the joint main body is provided with a counter bore, the lower end is provided with an external thread which is in threaded connection with a screw hole of the base, the bottom of the outer circumference of the connecting sleeve of the loosening and returning cap is provided with a stopping step, the circumference wall of the connecting sleeve is uniformly provided with a plurality of elastic grooves, and the bottoms of the elastic grooves are provided with vertically penetrating buffer holes; the adapter sleeve from the top back of packing into in the mounting hole, during the installation, the elasticity groove shrink, treat the stopping step of adapter sleeve and pass the mounting hole after, the stopping step is automatic to be bounced open and with the blind hole step face laminating stopping in the mounting hole, the utility model discloses simple structure, the trachea is connected fast and convenient and can block and avoid deviating from, has simplified trachea process and step of plugging into greatly, improves the efficiency of plugging into.

Description

Quick connector

Technical Field

The utility model relates to a quick connector.

Background

The air pipe in industrial application is provided with a plurality of joints, most of which are straight pipe joints, when the straight pipe joints are externally connected with horizontal soft air pipes, the air pipe can form an arc shape and extend from vertical to horizontal, a larger space is needed, and the similar straight pipe joints in a region with a small extending space can cause the externally connected soft air pipes to be folded and closed, so that unsmooth conveying is caused; the other type is a conventional right-angle joint, but after the external thread at one end of the right-angle joint is in threaded connection with the header pipe, the direction of the joint part of the external air pipe is fixed naturally, the joint part cannot be adjusted in a rotating manner, and smooth connection of air pipes extending into the joint part in each horizontal direction cannot be met; meanwhile, the diameter of the external air pipe connected with the conventional air pipe connector is a fixed size, if the diameter specification of the external air pipe changes, the air pipe connector installed in front needs to be detached, and the air pipe connector matched with the specification needs to be installed again, so that the operation is troublesome, and the time and the working efficiency are greatly delayed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a quick connector which comprises a loosening cap, a connector main body, a plum blossom-shaped elastic sheet and a base, wherein the upper end of a step hole on the bottom of the base is provided with a taper hole, the upper end of the taper hole is provided with a screw hole, and an elastic sheet of the plum blossom-shaped elastic sheet is downwards arranged in the screw hole and is placed at the bottom of the screw hole; the lower end of the mounting hole of the joint main body is provided with a counter bore, the lower end is provided with an external thread which is in threaded connection with a screw hole of the base, the bottom of the outer circumference of the connecting sleeve of the loosening and returning cap is provided with a stopping step, the circumference wall of the connecting sleeve is uniformly provided with a plurality of elastic grooves, and the bottoms of the elastic grooves are provided with vertically penetrating buffer holes; the adapter sleeve from the top back of packing into in the mounting hole, during the installation, the elasticity groove shrink, treat the stopping step of adapter sleeve and pass the mounting hole after, the stopping step is automatic to be bounced open and with the blind hole step face laminating stopping in the mounting hole, the utility model discloses simple structure, the trachea is connected fast and convenient and can block and avoid deviating from, has simplified trachea process and step of plugging into greatly, improves the efficiency of plugging into.

In order to achieve the above purpose, the technical scheme of the utility model is that: a quick connector comprises a loosening cap, a connector main body, a quincuncial elastic sheet, a base and a sealing ring, wherein a multi-stage step hole is formed in the base, the sealing ring is arranged in a step hole at the bottom, an upper step hole in the base is provided with a taper hole which extends upwards and gradually enlarges in diameter, the upper end of the taper hole is provided with a screw hole, and an elastic sheet of the quincuncial elastic sheet is downwards arranged in the screw hole and placed at the bottom of the screw hole;

the joint comprises a joint body, a base, a joint body and a joint body, wherein a mounting hole is formed in the joint body, a counter bore is formed in the lower end of the mounting hole, an anti-backing groove is formed in the outer circumference of the joint body, an external thread is formed in the lower end of the anti-backing groove, the external thread is in threaded connection with a screw hole of the base, and the lower end face of the joint body presses the annular end face of the quincun;

the loosening and withdrawing cap is internally provided with a through hole type connecting hole, the lower end of the step of the loosening and withdrawing cap is provided with a connecting sleeve, the bottom of the outer circumference of the connecting sleeve is provided with a stopping step, the circumferential wall of the connecting sleeve is uniformly provided with a plurality of elastic grooves, and the bottoms of the elastic grooves are provided with vertically penetrating buffer holes;

after the connecting sleeve is installed in the mounting hole from top to bottom, the elastic groove contracts during installation, after the stopping step of the connecting sleeve penetrates through the mounting hole, the stopping step automatically pops open and is attached to the step surface of the blind hole in the mounting hole, and the inclined surface of the lower end surface of the connecting sleeve is elastically attached to the inclined surface of the elastic sheet of the plum blossom-shaped elastic sheet.

The connecting sleeve is characterized in that a through hole is formed in the ring of the plum blossom-shaped elastic sheet and is uniformly connected with a plurality of elastic sheets, the through hole is provided with an inclination A with the end face of the ring, and the inclination A is the same as the inclined angle of the lower end face of the connecting sleeve.

Further, the loosening and retreating cap can move towards the direction of the plum blossom-shaped elastic sheet and can retreat under the elastic force of the elastic sheet.

The utility model has the advantages that: the utility model discloses simple structure, the trachea is connected fast and convenient and can block and avoid deviating from, has simplified trachea process and step of plugging into greatly, improves the efficiency of plugging into.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of the quincunx leaf spring in fig. 1;

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a schematic view of the release cap 1 of FIG. 1;

fig. 5 is a top view of fig. 4.

In the figure: loosening cap 1, connecting hole 11, connecting sleeve 12, backstop step 13, elastic groove 14, buffer hole 15, inclined plane 16, joint main body 2, mounting hole 21, anti-retreat groove 22, plum blossom shell fragment 3, ring 31, flexure strip 32, through-hole 33, base 4, sealing washer 5.

The specific embodiments,

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1 to 5, a quick connector comprises a loosening cap 1, a connector main body 2, a quincuncial elastic sheet 3, a base 4 and a sealing ring 5, wherein a multistage step hole is formed in the base 4, the sealing ring 5 is formed in a step hole at the bottom of the base 4, an upper step hole in the base 4 is provided with a taper hole which extends upwards and has a gradually enlarged diameter, the upper end of the taper hole is provided with a screw hole, and an elastic sheet 32 of the quincuncial elastic sheet 3 is downwards arranged in the screw hole and is placed at the bottom of the screw hole; the plum blossom-shaped elastic sheet 3 is made of spring steel and is subjected to heat treatment, the elastic sheet 32 has elasticity and can automatically reset, the joint main body 2 is internally provided with a mounting hole 21, the lower end of the mounting hole 21 is provided with a counter bore, the outer circumference of the joint main body 2 is provided with a retreat-preventing groove 22, the lower end of the retreat-preventing groove 22 is provided with an external thread, the external thread is in threaded connection with a screw hole of the base 4, and the lower end face of the joint main body 2 after connection presses the end face of the ring 31 of the plum blossom-shaped; a through hole type connecting hole 11 is formed in the loosening and withdrawing cap 1, a connecting sleeve 12 is arranged at the lower end of a step of the loosening and withdrawing cap 1, a stopping step 13 is arranged at the bottom of the outer circumference of the connecting sleeve 12, a plurality of elastic grooves 14 are uniformly distributed on the circumferential wall of the connecting sleeve 12, and a buffer hole 15 which vertically penetrates through the elastic grooves 14 is formed at the bottom of the elastic grooves 14; when the stopping step 13 that the diameter is greater than mounting hole 21 of being convenient for got into mounting hole 21, the diameter that elastic groove 14 shrink made stopping step 13 dwindled to being less than mounting hole 21 aperture, adapter sleeve 12 from the top back of packing into in the mounting hole 21, during the installation, elastic groove 14 shrink waits after adapter sleeve 12's stopping step 13 passes mounting hole 21, stopping step 13 automatic bounce-off and with the laminating of the blind hole step face in the mounting hole 21, the inclined plane of adapter sleeve 12 lower terminal surface and the laminating of the inclined plane elasticity of the flexure strip 32 of plum blossom shell fragment 3, the utility model discloses simple structure, the trachea is connected fast and conveniently and can block and avoid deviating from, has simplified trachea process and the step of plugging into greatly, improves the efficiency of plugging into.

Establish through-hole 33 in the ring 31 of plum blossom shell fragment 3, a plurality of flexure strips 32 are evenly connected to through-hole 33, through-hole 33 is equipped with inclination A with the terminal surface of ring 31, and inclination A is the same with the inclined plane angle of terminal surface under the adapter sleeve 12.

The loosening cap 1 can move towards the direction of the plum blossom-shaped spring piece 3 and can retreat under the elasticity of the elastic piece 32.

Example of the implementation

When the nylon air pipe is applied, a nylon air pipe with the outer diameter corresponding to the diameter of the connecting hole 11 of the nylon air pipe penetrates into the connecting hole 11 of the loosening cap 1 and applies force to penetrate downwards continuously, the nylon air pipe continues to penetrate inwards when the end surface of the nylon air pipe abuts against the upper inclined plane of the elastic sheet 32 of the quincuncial elastic sheet 3, the end surface of the nylon air pipe pushes the elastic sheet 32 outwards in a divergent elastic manner under the action of the external force, so that the diameter of the circular hole formed by the elastic sheets 32 is enlarged, after the nylon air pipe penetrates into the circular hole formed by the elastic sheets 32, the elastic sheets 32 elastically rebound, the inner end surface of the elastic sheet 32 abuts against the outer circumference of the nylon air pipe, at the moment, the inclination A of the elastic sheet 32 and the end surface of the ring 31 is correspondingly increased, in a similar state, the outer circumference of the nylon air pipe is clamped by the elastic sheets 32, the nylon air pipe can only move inwards in a one direction under the action of the external inwards application force, the air pipe can not move outwards, and the hidden trouble of air pipe separation is eliminated;

when the connected nylon air pipe and the quick connector need to be separated, the external force of the loosening cap 1 is applied inwards, the inclined plane 16 at the lower end of the loosening cap 1 simultaneously supports against the inclined plane of the elastic sheet 32 of the quincuncial elastic sheet 3 to push forwards, at the moment, the diameter of a round hole formed by the inner end surfaces of the elastic sheets 32 and used for stopping the nylon air pipe is synchronously increased, and the round hole is separated from the outer circumference of the original clamped nylon air pipe, and in the state, the nylon air pipe can be pulled out and separated.

The quick connector of the technical structure is convenient to connect and separate and simple in structure.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. A quick connector, characterized in that: the anti-theft connector comprises a loosening cap (1), a connector main body (2), a plum blossom elastic sheet (3), a base (4) and a sealing ring (5), wherein a multi-stage step hole is formed in the base (4), the sealing ring (5) is formed in a step hole at the bottom of the base, an upper step hole in the base (4) is provided with a taper hole which extends upwards and gradually enlarges the diameter of the upper step hole, a screw hole is formed in the upper end of the taper hole, and an elastic sheet (32) of the plum blossom elastic sheet (3) is downwards arranged in the screw hole and is placed at;

a mounting hole (21) is formed in the joint main body (2), a counter bore is formed in the lower end of the mounting hole (21), an anti-backing groove (22) is formed in the outer circumference of the joint main body (2), an external thread is formed in the lower end of the anti-backing groove (22), the external thread is in threaded connection with a screw hole of the base (4), and the lower end face of the joint main body (2) presses the end face of a ring (31) of the quincuncial elastic sheet (3) after connection;

a through hole type connecting hole (11) is formed in the loosening and withdrawing cap (1), a connecting sleeve (12) is arranged at the lower end of a step of the loosening and withdrawing cap (1), a stopping step (13) is arranged at the bottom of the outer circumference of the connecting sleeve (12), a plurality of elastic grooves (14) are uniformly distributed on the circumferential wall of the connecting sleeve (12), and a buffer hole (15) which vertically penetrates through the elastic grooves (14) is formed at the bottom of the elastic grooves (14);

the connecting sleeve (12) is installed in the mounting hole (21) from top to bottom, and then during installation, the elastic groove (14) contracts, after the stopping step (13) of the connecting sleeve (12) penetrates through the mounting hole (21), the stopping step (13) automatically bounces open and is attached to the step surface of the blind hole in the mounting hole (21), and the inclined plane (16) of the lower end face of the connecting sleeve (12) is attached to the inclined plane of the elastic sheet (32) of the plum blossom spring sheet (3) in an elastic mode.

2. The quick connector of claim 1, wherein: establish through-hole (33) in ring (31) of plum blossom shell fragment (3), a plurality of flexure strips (32) are evenly connected to through-hole (33), the terminal surface of through-hole (33) and ring (31) is equipped with inclination A, and inclination A is the same with the inclined plane angle of terminal surface under adapter sleeve (12).

3. The quick connector of claim 1, wherein: the loosening and retreating cap (1) can move towards the direction of the plum blossom-shaped elastic sheet (3) and can retreat under the elasticity of the elastic sheet (32).