CN215334963U

CN215334963U - Quick-locking joint

Info

Publication number: CN215334963U
Application number: CN202120117046.7U
Authority: CN
Inventors: 邹调娟
Original assignee: Yuyao Yimei Garden Equipment Co ltd
Current assignee: Yuyao Yimei Garden Equipment Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-28
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to the field of connecting devices, and discloses a quick-locking joint which comprises a joint main body with a central hole and a pipeline connecting structure arranged at least one end of the joint main body, wherein the pipeline connecting structure comprises a first abdicating annular groove which is recessed at one end of the joint main body, is concentric with the central hole and can be used for a pipeline to be inserted, when the pipeline is inserted into the first abdicating annular groove, a locking structure which can gradually lock the inner annular wall of the first abdicating annular groove on the inner annular wall of the pipeline is rotatably arranged at one end, close to the first abdicating annular groove, of the joint main body.

Description

Quick-locking joint

Technical Field

The utility model relates to the technical field of connecting devices, in particular to a quick locking joint.

Background

The quick connector is a connector which can realize the connection or disconnection of pipelines without tools. The existing quick joint comprises a female joint matrix, wherein a through hole is formed in the matrix, and a steel ball is embedded in the through hole; a male joint body, wherein a groove is arranged on the surface of the cylinder; a card sleeve; the female joint parent body is in sealing fit with the male joint main body, and a steel ball on the parent body is clamped in a groove on the surface of the cylinder; the clamping sleeve is sleeved on the outer surface of the female joint matrix and further comprises a pulling sleeve which is sleeved on the surface of the male joint body and is connected with the clamping sleeve on the female joint through internal threads.

The female joint parent and the male joint main body surfaces which are required to be matched with each other are required to be provided with the steel balls and the grooves respectively, and the steel balls and the grooves need to be matched precisely to realize accurate connection, so that when the female joint parent and the male joint main body are connected, two pipelines are required to be fixed on the female joint parent and the male joint main body respectively, and the use is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick-locking joint which can reduce the requirement on precision and has a wide application range.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a quick-lock connects, connects the structure including the joint main part that possesses the centre bore and set up at the at least pipeline that connects one of main part and serve pipeline male first ring groove of stepping down of concentric and can supply of centre bore in the one end sunken of joint main part, when the pipeline inserts first ring inslot of stepping down, be close to the rotatory locking structure who is provided with the inner ring wall of first ring groove of stepping down in the inner ring wall of pipeline that is provided with of the one end of connecting the main part.

Further, the locking structure includes the external screw thread that sets up on the one end outer wall that connects the main part and be close to first annular of stepping down, advance the swivel nut with thread fit's top, keep away from the fixture block that the one end circumference interval extension of first annular of stepping down set up and advance the swivel nut in the top and keep away from the internal diameter that the one end of connecting the main part extends and reduce gradually and be the butt groove of frustum form, along with advancing the swivel nut to connecting the main part direction motion in the top, thereby butt groove butt fixture block is to being close to one side motion locking pipeline of connecting the main part.

Further, the fixture block includes one end and connects main part an organic whole connection's shell fragment and be located the shell fragment and keep away from the protruding card of establishing on the one end inner wall that connects the main part, along with advancing the swivel nut and moving to connecting the main part direction in the top, thereby butt groove butt fixture block is to the outer wall that is close to one side motion clamping pipe who connects the main part.

Further, the inner ring wall of the first abdicating ring groove is in a frustum shape gradually close to the outer ring wall of the first abdicating ring groove from the opening inwards, and when the pipeline is inserted, the inner ring wall of the first abdicating ring groove is gradually close to the inner wall of the pipeline until being in interference insertion fit with the inner wall of the pipeline.

Further, when the pipeline links up the structure and sets up in the one end that connects the main part, the one end that connects the main part and keep away from the pipeline and link up the structure is provided with the structure of connecing soon, connect the structure soon including the dop that sets up in the downthehole activity of centre, cup joint in connect the main part outside and can connect the axial back and forth movement's of main part movable sleeve and lie in the movable sleeve and connect and order about the movable sleeve between the main part and remove thereby the one end that keeps away from the pipeline links up the structure butt dop removes the reset spring that cliies the pipeline to the centre bore removal.

Compared with the prior art, the utility model has the following beneficial effects:

1. the added pipeline connecting structure can clamp the pipeline only by rotating the jacking screw sleeve, the pipeline can be quickly pulled out by reversely rotating, and the pipeline connecting structure is suitable for the pipeline with the inner diameter larger than the minimum position of the outer wall of the connecting pipe and smaller than the maximum position of the outer wall of the connecting pipe and has wide application range;

2. the quick-connecting structure is additionally arranged, the pipeline can be inserted only by pressing the movable sleeve, the automatic clamping of the pipeline can be realized by loosening the movable sleeve, the pipelines do not need to be additionally provided with structures, the applicability is effectively improved, and the setting precision requirement of the clamping head is low.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of a quick lock coupling of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a disassembled view of a quick lock coupling of the present invention;

fig. 4 is an enlarged view of a in fig. 3.

In the figure: 1. a connector body; 101. a card slot; 2. a movable sleeve; 201. a card; 202. a second abdicating ring groove; 3. a limiting ring; 4. a central bore; 401. a clamping groove; 402. connecting grooves; 403. a mating groove; 404. a first abdicating ring groove; 405. an external thread; 5. a yielding groove; 6. clamping a head; 601. a connecting section; 602. an active segment; 7. a return spring; 8. jacking the screw sleeve; 9. a clamping block; 10. and abutting against the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

A quick lock joint, refer to fig. 1-2, including the joint main part 1 that possesses centre bore 4 and set up in the pipeline of street head main part one end at least and link up the structure, pipeline links up the structure and includes in the sunken first annular groove 404 that steps down that is concentric with centre bore 4 and can supply pipeline male in one end of joint main part 1, the inner ring wall of first annular groove 404 of stepping down is the frustum form that is close to the outer annular wall of first annular groove gradually from the opening inwards, the inner ring wall of first annular groove of stepping down is close to until with the interference plug-in fit of pipeline inner wall gradually when the pipeline inserts, after the inner ring wall interference plug-in fit of first annular groove in the inner ring wall of pipeline, be provided with the locking structure that locks the pipeline step by step at the one end that connects main part 1 and is close to first annular groove 404 of stepping down.

The locking structure includes the external screw thread 405 that sets up on the one end outer wall that connects main part 1 and be close to first annular 404 of stepping down, advance swivel nut 8 with external screw thread 405 complex top, the fixture block 9 that sets up and advance swivel nut 8 in the top and keep away from the one end of connecting main part 1 and extend the butt groove 10 that the internal diameter reduces gradually that advances swivel nut 8 one end and keep away from the one end extension of connecting main part 1 in the one end circumference interval that connects main part 1, fixture block 9 includes one end in the shell fragment that connects the main part and is equipped with the card protruding in the shell fragment one end inner wall epirelief of keeping away from the joint main part, along with advancing swivel nut 8 and to connecting 1 direction motion, thereby butt groove 10 butt fixture block 9 locks the pipeline to the one side motion that is close to the joint main part.

When the pipeline connecting structure is only arranged at one end of the joint main body 1, a quick-connection structure is arranged at the other end of the joint main body 1, as shown in fig. 1-4, the quick-connection structure comprises a movable sleeve 2 sleeved outside the joint main body 1, a clamping head 6 movable on a central hole 4 and a return spring 7 positioned between the movable sleeve 2 and the joint main body 1, when the movable sleeve 2 is pressed, the return spring 7 contracts, and at the moment, the clamping head 6 can freely move; when the movable sleeve 2 is loosened, the return spring 7 is reset to drive the chuck 6 to move towards the central hole 4 to clamp the pipeline.

In order to make pipeline linking structure and meet the structure soon and can mutually support, centre bore 4 is from keeping away from pipeline linking structure's one end to being close to pipeline linking structure's one end and including the joint groove 401 that is provided with dop 6 in proper order, the internal diameter is less than joint groove 401 and with pipeline seal grafting complex spread groove 402 and run through the cooperation groove 403 of first annular 404 of stepping down, cooperation groove 403 and first annular 404 of stepping down are formed with one and can insert the interior linking pipe of pipeline, joint groove 401 inner wall circumference interval is provided with the groove 5 of stepping down that can supply dop 6 local card at least to go into, dop 6 includes linkage segment 601 and movable segment 602,

linkage segment

601 and 5 fixed connection or the articulated setting in groove of stepping down.

The activity of movable sleeve 2 is spacing in the axial range of joint groove 401 and spread groove 402, connect 1 outer wall of main part in spread groove 402 and keep away from the protruding spacing ring 3 that is equipped with of one end department of joint groove 401, the one end that the movable sleeve 2 is close to spacing ring 3 is sunken to have the second to step down annular 202, reset spring 7's both ends are respectively in spacing ring 3 and the cooperation of second to step down annular 202 bottom elasticity butt, for the convenience of movable sleeve 2 in the one-way spacing cooperation of the one end that connects main part 1, movable sleeve 2 is from the one end that is close to joint groove 401 to the gradually increasing frustum form of the one end internal diameter of keeping away from joint groove 401, it is provided with draw-in groove 101 on the outer wall of joint groove 401 opening part to connect main part 1, the little head end inner wall of movable sleeve 2 is provided with draw-in groove 101 complex card 201.

The scheme has at least the following beneficial effects:

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a quick lock connects, including joint main part (1) that possesses centre bore (4) and set up at the pipeline that connects main part (1) at least one and serve the structure, its characterized in that, pipeline links up the structure and includes in the sunken concentric and first annular of stepping down (404) that can supply pipeline male of centre bore (4) of the one end of joint main part (1), when pipeline male first annular of stepping down (404) in, be close to the rotatory locking structure who is provided with the inner ring wall of first annular of stepping down in the inner ring wall of pipeline of the annular of stepping down (404) in joint main part (1) one end of first annular of stepping down (404).

2. The quick lock coupling of claim 1, wherein: the locking structure comprises an external thread (405) arranged on the outer wall of one end, close to the first abdicating ring groove (404), of the joint main body (1), a jacking threaded sleeve (8) matched with the external thread (405), a clamping block (9) arranged at the circumferential interval of one end, far away from the first abdicating ring groove (404), of the joint main body (1) and a butting groove (10) in a frustum shape, wherein the butting groove (10) is gradually reduced in the inner diameter, far away from one end of the joint main body (1), of the joint main body (8), moves towards the direction of the joint main body (1) along with the jacking threaded sleeve (8), and the butting clamping block (9) of the butting groove (10) moves towards one side, close to the joint main body (1), so that the pipeline is locked.

3. A quick lock coupling as claimed in claim 2, wherein: the fixture block (9) comprises an elastic sheet with one end integrally connected with the joint main body (1) and a clamping protrusion arranged on the inner wall of the end, far away from the joint main body (1), of the elastic sheet, and the abutting groove (10) abuts against the fixture block (9) to move towards one side close to the joint main body (1) to clamp the outer wall of the pipeline along with the movement of the jacking threaded sleeve (8) towards the joint main body.

4. The quick lock coupling of claim 1, wherein: the inner ring wall of the first abdicating ring groove (404) is in a frustum shape gradually close to the outer ring wall of the first abdicating ring groove (404) from the opening inwards, and when a pipeline is inserted, the inner ring wall of the first abdicating ring groove (404) is gradually close to the inner wall of the pipeline until being in interference insertion fit with the inner wall of the pipeline.

5. The quick-lock joint as claimed in claim 1, wherein when the pipe engaging structure is disposed at one end of the joint body, the end of the joint body away from the pipe engaging structure is provided with the quick-connect structure, which comprises a clamp head (6) movably disposed in the central hole, a movable sleeve (2) sleeved outside the joint body (1) and capable of moving back and forth in the axial direction of the joint body (1), and a return spring (7) disposed between the movable sleeve (2) and the joint body (1) for urging the movable sleeve (2) to move towards the end away from the pipe engaging structure so as to abut against the clamp head (6) and move towards the central hole (4) for clamping the pipe.