CN215335071U

CN215335071U - Lockable quick connector

Info

Publication number: CN215335071U
Application number: CN202120116955.9U
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 lockable quick connector which comprises a connector main body and a quick connection structure arranged on at least one end of the connector main body, wherein the quick connection structure comprises a slot sunken in one end of the connector main body, a movable sleeve sleeved outside the connector main body, a chuck and a reset spring, a abdication groove for the chuck to be clamped in at least partially is arranged on the inner wall of the slot, a limit ring is convexly arranged on one end, far away from a clamping groove, of the connecting groove on the outer wall of the connector main body, two ends of the reset spring are respectively and elastically abutted against the limit ring and one end, close to an opening of the slot, of the movable sleeve, the movable sleeve is movably limited in the axial range of the clamping groove and the connecting groove, and the quick connector can reduce the requirement on precision and has a wide application range.

Description

Lockable quick connector

Technical Field

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

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 of the conventional pipelines is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lockable quick connector 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: a lockable quick joint comprises a joint main body and a quick-connection structure arranged on at least one end of the joint main body, wherein the quick-connection structure comprises a slot with one concave end of the joint main body, a movable sleeve sleeved outside the joint main body, a clamping head and a reset spring; when the movable sleeve is loosened, the reset spring resets to drive the movable sleeve to move towards the direction of the clamping head and push the clamping head into the slot so as to drive the clamping head to clamp the pipeline inserted into the slot.

Furthermore, the dop is provided with two at least around slot circumference interval.

Further, the slot inwards includes the joint groove that is provided with the dop and internal diameter in proper order from the opening and is less than the joint groove and with the sealed grafting complex spread groove of pipeline, the groove circumference of stepping down distributes on the inner wall in joint groove.

Furthermore, the dop includes linkage segment and movable segment, and the linkage segment sets up with stepping down groove fixed connection or articulated.

Furthermore, the movable sleeve is in a frustum shape with the inner diameter gradually increasing from one end close to the clamping groove to the other end far away from the clamping groove, a yield ring groove is formed in the large-head end of the movable sleeve in a concave mode, and one end, far away from the limiting ring, of the reset spring is elastically abutted to the bottom of the yield ring groove.

Furthermore, the joint main body is provided with a clamping groove on the outer wall of the opening of the clamping groove, and the inner wall of the small head end of the movable sleeve is provided with a card matched with the clamping groove.

Further, when the structure that connects soon sets up in the one end of connecting the main part, the other end that connects the main part is provided with the pipeline and links up the structure, the pipeline links up the structure and includes running through to the cooperation groove of connecting the main part other end and in the recess of the concentric recess of cooperation groove of the one end that the joint main part is close to the cooperation groove of keeping away from the joint groove that the joint groove extends, the setting of the annular of keeping away from orders about cooperation groove outer wall and forms the adapter tube that can insert to pipeline inside, when the adapter tube inserts in the pipeline, the one end that is close to the cooperation groove at the joint main part still is provided with the locking structure with pipeline locking on the adapter tube.

Further, locking structure includes the external screw thread that sets up on the one end outer wall that connects the main part to be close to the cooperation groove, advance the swivel nut with external screw thread complex top, in the abutting groove that the internal diameter that the tip circumference interval that connects the main part to be close to the cooperation groove extends that fixture block and top advance the swivel nut and keep away from the one end extension of connecting the main part and reduce gradually, along with advancing the swivel nut and moving to connecting the main part direction in the top, thereby the pipeline is locked to one side motion that is close to the joint pipe to butt groove abutting fixture block.

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

1. the quick-connecting structure that adds can insert fixedly and the unanimous all pipelines of joint inslot internal diameter, and these pipelines need not to establish the structure in addition, and this has effectively increased the suitability, and the setting accuracy requirement of dop is low.

2. The pipeline that adds links up the structure and is applicable to long-term connection pipeline, and its fixity is more firm, and is the setting of connecing the structure soon for both ends, can reduce the consumptive material and shorten holistic length to can be suitable for the internal diameter and be greater than linking up the pipeline that the pipe outer wall minimum department just is less than the biggest department of linking up the pipe outer wall, application scope is wide.

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 lockable quick coupling according to embodiment 1 of the utility model;

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

FIG. 3 is a front view of a lockable quick connector according to embodiment 2 of the utility model;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

fig. 5 is a disassembled view of a lockable quick coupling according to embodiment 2 of the present invention;

fig. 6 is an enlarged view of a in fig. 5.

In the figure: 1. a connector body; 101. a card slot; 2. a movable sleeve; 201. a card; 202. a abdicating ring groove; 3. a limiting ring; 4. a slot; 401. a clamping groove; 402. connecting grooves; 403. a mating groove; 404. a yielding 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.

Example 1

A lockable quick connector is shown in figures 1-2 and comprises a connector main body 1 and quick connection structures arranged at two ends of the connector main body 1, wherein each quick connection structure comprises a slot 4 which is recessed at one end of the connector main body 1 and penetrates through the connector main body 1, a movable sleeve 2 sleeved outside the connector main body 1, a clamping head 6 and a return spring 7.

Wherein, slot 4 inwards includes in proper order from the opening joint groove 401 and the internal diameter that is provided with dop 6 and is less than joint groove 401 and with the sealed grafting complex spread groove 402 of pipeline, inner wall circumference interval at joint groove 401 is provided with a plurality of grooves of stepping down that can supply dop 6 local card at least to go into 5, dop 6 is made by elastic material, preferred rubber, dop 6 includes linkage segment 601 and active segment 602, linkage segment 601 and the groove of stepping down 5 fixed connection or articulated setting, in this scheme, the link of dop 6 and the articulated setting in groove of stepping down 5, the active segment 602 of dop 6 is the hook form and is crooked to the groove of stepping down 5 directions.

The activity of movable sleeve 2 sets up with connecting 1 joint of main part, connects the main part and is provided with draw-in groove 101 on the outer wall of joint groove 401 opening part, and the microcephaly end inner wall of movable sleeve is provided with and draws together card 201 with draw-in groove 101, for the convenience of movable sleeve 2's joint, and movable sleeve 2 is from the frustum form that is close to the one end of joint groove 401 to keeping away from the one end internal diameter crescent of joint groove 401. The big end of the movable sleeve 2 is sunken to have a ring groove 202 of stepping down, connects the main part outer wall and locates to be equipped with a spacing ring 3 in the protruding in the one end of connecting groove 402 away from joint groove 401, and the movable sleeve 2 moves in the axial range of joint groove 401 and connecting groove 402 through reset spring 7, and reset spring 7's both ends then respectively in spacing ring 3 with step down ring groove 202 elasticity butt cooperation.

Under the natural condition, the reset spring 7 drives the movable sleeve 2 to jack towards the opening end of the slot 4 under the action of the reset force, the inner wall of the movable sleeve 2 abuts against the chuck 6 in the jacking process and drives the chuck 6 to move towards the inner wall of the slot 4 so as to clamp a pipeline inserted into the slot 4; when the movable sleeve 2 is manually slid towards the direction of the limiting ring 3, the return spring 7 contracts, and the pipeline is automatically extruded out of the abdicating groove 5 after the clamping head 6 loses the extrusion force.

The quick-connecting structure that adds can insert and be fixed in all pipelines that the 401 internal diameters of joint groove are unanimous, and these pipelines need not to establish the structure in addition, and this has effectively increased the suitability, and dop 6 sets up the required precision and hangs down.

Example 2

The quick coupling of this embodiment, one end is provided with the quick-connect structure as disclosed in embodiment 1, the other end of the coupling main body 1 is provided with a pipeline engagement structure, as shown in fig. 3-6, the pipeline engagement structure includes a fitting groove 403 extending from one end of the connecting groove 402 far away from the clamping groove 401 to the other end of the coupling main body and a relief groove 404 recessed from one end of the coupling main body 1 near the fitting groove 403 and concentric with the fitting groove 403, the arrangement of the relief ring groove 202 drives the outer wall of the fitting groove 403 to form an engagement tube that can be inserted into the pipeline, the engagement tube tends to gradually decrease in outer diameter from one end near the connecting groove 402 to one end far away from the connecting groove 402, and when the engagement tube is inserted into the pipeline, a locking structure for locking the pipeline on the engagement tube is further provided at one end of the coupling main body near the fitting groove 403.

The locking structure includes the external screw thread 405 that sets up on the one end outer wall that connects the main part and be close to cooperation groove 403, advance swivel nut 8 with external screw thread 405 complex top, in the joint main part be close to the fixture block 9 that the tip circumference interval of cooperation groove 403 extends and the abutting groove 10 that the internal diameter that the swivel nut one end of keeping away from the joint main part extended reduces gradually, along with advancing the swivel nut and moving to connecting the main part direction in the top, thereby the abutting groove 10 butt fixture block 9 is to the one side motion of being close to the adapter pipe locking pipeline.

The pipeline linking structure is suitable for long-term connection pipelines, the fixity of the pipeline linking structure is firmer, compared with the embodiment 1, the pipeline linking structure is made of less used materials, the length of the whole pipeline can be shortened, the pipeline linking structure can be suitable for pipelines with inner diameters larger than the minimum position of the outer wall of the linking pipe and smaller than the maximum position of the outer wall of the linking pipe, and the application range is wide.

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-operation joint that can lock, includes joint main part (1) and sets up the structure of connecing soon on the at least one end of joint main part (1), its characterized in that: the quick connection structure comprises a slot (4) which is sunken in one end of a joint main body (1), a movable sleeve (2) which is sleeved outside the joint main body (1), a clamping head (6) and a reset spring (7), wherein a yielding groove (5) for the clamping head to be clamped in at least part of the inner wall of the slot is formed in the inner wall of the slot, a limiting ring (3) is convexly arranged at one end, far away from a clamping groove (401), of a connecting groove (402) on the outer wall of the joint main body (1), two ends of the reset spring (7) are respectively in elastic butt joint with the limiting ring (3) and one end, close to an opening of the slot (4), of the movable sleeve (2), the movable sleeve (2) is movably limited in the axial range of the clamping groove (401) and the connecting groove (402), when the movable sleeve is pressed, the reset spring contracts, the movable sleeve is separated from the clamping head, and a pipeline can be pulled out of the slot; when the movable sleeve is loosened, the reset spring resets to drive the movable sleeve (2) to move towards the direction of the clamping head and push the clamping head into the slot, so that the clamping head is driven to clamp the pipeline inserted into the slot (4).

2. The lockable quick connector as claimed in claim 1, wherein: at least two clamping heads (6) are arranged at intervals around the circumferential direction of the slot (4).

3. The lockable quick connector as claimed in claim 2, wherein: slot (4) inwards include joint groove (401) and the internal diameter that is provided with dop (6) from the opening in proper order and be less than joint groove (401) and with pipeline seal grafting complex spread groove (402), let the groove (5) circumference distribute on the inner wall in joint groove (401).

4. The lockable quick connector as claimed in claim 1, wherein: the clamping head (6) comprises a connecting section (601) and a movable section (602), and the connecting section (601) is fixedly connected with or hinged to the abdicating groove (5).

5. The lockable quick connector as claimed in claim 1, wherein: the movable sleeve (2) is in a frustum shape with the inner diameter gradually increasing from one end close to the clamping groove (401) to the end far away from the clamping groove (401), a yielding ring groove (202) is sunken in the large end of the movable sleeve (2), and one end, far away from the limiting ring (3), of the reset spring is elastically abutted to the bottom of the yielding ring groove (202).

6. A lockable quick coupling as claimed in claim 3, characterized in that: the outer wall of the joint main body (1) at the opening of the clamping groove (401) is provided with a clamping groove (101), and the inner wall of the small end of the movable sleeve (2) is provided with a card (201) matched with the clamping groove (101).

7. The lockable quick connector as claimed in claim 1, wherein: when the quick-connect structure sets up in the one end of connecting main part (1), the other end that connects main part (1) is provided with the pipeline and links up the structure, the pipeline links up the structure and includes running through to the cooperation groove (403) that connects the main part (1) other end and in that joint main part (1) is close to the sunken recess of stepping down with cooperation groove (403) of one end in cooperation groove (403) recess (404) that run away from the one end extension in joint groove (401) from spread groove (402), the setting of stepping down annular (202) is ordered about cooperation groove (403) outer wall formation and is inserted the inside linking pipe of pipeline, when linking the pipe and inserting the pipeline in, still be provided with the locking structure of pipeline locking on linking pipe in the one end that connects main part (1) is close to cooperation groove (403).

8. The lockable quick connector as claimed in claim 6, wherein: the locking structure comprises an external thread (405) arranged on the outer wall of one end, close to the matching groove (403), of the joint body (1), a jacking swivel nut (8) matched with the external thread (405), a clamping block (9) extending at the circumferential interval of the end, close to the matching groove (403), of the joint body (1) and a butting groove (10) gradually decreasing in the inner diameter, extending from one end, far away from the joint body (1), of the jacking swivel nut, wherein the butting groove (10) is abutted to the clamping block (9) and moves towards one side, close to the butting pipe, to lock the pipeline along with the movement of the jacking swivel nut towards the direction of the joint body.