CN209909377U

CN209909377U - Quick hose connection structure

Info

Publication number: CN209909377U
Application number: CN201920290565.6U
Authority: CN
Inventors: 廖胜细; 尹艳梅; 林凯; 陈建全
Original assignee: Xiamen Dabai Technology Co Ltd
Current assignee: Xiamen Dabai Technology Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-01-07
Anticipated expiration: 2029-03-07

Abstract

The utility model discloses a quick joint structure for hoses, which comprises a quick joint, a quick joint main body and a lock catch. The hose is being connected to the body rear end that connects soon, and the hose is being connected to the quick-operation joint rear end, and the hasp movable mounting sets up on the body that connects soon. When connection is needed, the quick connector is connected with the quick connector body, and locking is carried out through the lock catch and a lock catch groove arranged on the quick connector; when the lock catch needs to be disassembled, the lock catch is separated from the lock catch groove to be unlocked. The structure does not need to align the assembly angle during assembly, can quickly and simply realize assembly and disassembly, and has simple structure, safety and reliability.

Description

Quick hose connection structure

Technical Field

The utility model relates to a connection structure, especially a hose quick connect structure.

Background

The hose on the existing market, particularly a common connection mode of a water pipe, is connected by using an adapter, the adapter and the hose are in threaded fit, and the hose needs to be screwed down in a ceaseless rotation mode to achieve the purpose of sealing connection, the operation is labor-consuming and time-consuming, and the end face sealing of a silica gel gasket is adopted in the sealing mode, so that the hose must be matched in place, otherwise, the hose cannot be tightly sealed to cause water leakage, and the hose cannot be screwed easily by one hand when being disassembled, and the hose must be disassembled by means of tools, so that the hose and the hose are connected quickly by necessarily designing a quick-disassembling and assembling structure, so that the time is saved, and the efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is not enough to above-mentioned prior art. The utility model provides a hose quick connect structure, when needs are connected only need to the plug-in can, and can not be torn open by external force, only need just can disassemble through an release mechanism's operation when needs are unpacked apart.

In order to achieve the above object, the utility model adopts the following technical scheme: a hose quick connection structure is characterized by comprising a quick connection joint, wherein an annular lock catch groove and a quick connection main body are arranged on the quick connection joint, an extension wall is arranged on the side edge of the quick connection main body and is perpendicular to the axis, lock catch holes and a lock catch are symmetrically arranged on the extension wall and is perpendicular to the axis of the quick connection main body, a rotating shaft is symmetrically arranged on the side of the lock catch, a lock catch claw is arranged on the left side below the lock catch, the rotating shaft is installed in the lock catch holes in a clearance fit manner, when connection is needed, the quick connection joint and the quick connection main body are connected, and locking is carried out through the cooperation of the lock catch claw on the lock catch and the lock catch groove arranged on the quick connection joint; when the quick connector needs to be disassembled, the lock catch claw on the lock catch is separated from the lock catch groove arranged on the quick connector for unlocking.

Preferably, the quick-connecting body is provided with inverted trapezoidal guide grooves symmetrically arranged on the extension wall, the trapezoidal opening ends of the guide grooves are flush with the end face of the extension wall, and the trapezoidal side edges of the grooves are tangent to the lock catch holes, so that the lock catch is favorably installed.

Preferably, the extension wall of the quick-connection main body is further provided with a limiting surface, the limiting surface is parallel to the axis of the quick-connection main body, the front and the back of the corresponding lock catch are provided with lock catch limiting small planes, and the limiting surface is matched with the lock catch limiting small planes to limit the rotation of the lock catch within the angle range of 0-30 degrees. The lock catch can not be rotated randomly, so that the quick-connection plug is not easy to insert.

Preferably, the two side ends of the rotating shaft of the lock catch are provided with inclined planes, so that the rotating shaft is narrow at the bottom and wide at the top. Is favorable for being easily arranged in the quick-connecting main body during product assembly

Preferably, the lock catch is further provided with a button plane and an elastic sheet, the button plane is arranged on the right side above the rotating shaft, and the elastic sheet is arranged on the right side below the lock catch. The elastic sheet provides pretightening force, so that the latch claw is firmly clamped into a latch groove on the quick connector.

Preferably, the quick connector is sequentially provided with a first hose, a first shaft section and a second shaft section; the corresponding quick-connection main body is sequentially provided with a first hole section, a second hole section and a second hose; the first shaft section is in clearance fit with the first hole section, and the second shaft section is in clearance fit with the second hole section. And assembly is facilitated.

Preferably, the locking groove is arranged in the middle of the first shaft section, the sealing ring groove is arranged in the middle of the second shaft section, and the diameter of the first shaft section is larger than that of the second shaft section. And assembly is facilitated.

Preferably, the end part of the second shaft section is provided with a guide inclined surface A. The quick-connection joint can be inserted into the quick-connection main body conveniently.

Preferably, the locking claw is provided with an arc notch. The contact area between the lock catch claw and the lock catch groove is increased, and the structural reliability is improved.

Preferably, the locking elastic piece is provided with a guide inclined plane B, and the locking claw is provided with a guide inclined plane C. The quick connector is favorable for being inserted into the quick connector main body without interfering with the elastic sheet to influence the insertion hand feeling.

Preferably, the lock catch is movably mounted below the end face of the extension wall. The locking buckle is protected from misoperation, and the locking buckle structure is unreliable.

The utility model has the advantages that:

1. and (4) quick connection and quick disassembly.

2. The sealing is reliable and the winding is avoided.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 and 2 are perspective exploded views of a hose quick-connect structure according to a preferred embodiment of the present invention;

FIG. 3 is an unassembled cross-sectional view of a hose quick-connect structure according to a preferred embodiment of the present invention;

fig. 4 is a sectional view of an assembled hose quick-connect structure according to a preferred embodiment of the present invention.

In the figure:

100-quick-connect joint; 110-a first hose; 120-a locking groove; 130-seal ring groove; 140-guide slope a; 150-a first shaft section; 160-a second shaft section;

200-quick-connect body; 210-an extension wall; 211-locking hole; 212-a guide groove; 213-a limiting surface; 220-a second hose; 230-a first bore section; 240-a second bore section;

300-locking; 310-a rotating shaft; 311-inclined plane; 320-button plane; 330-anti-slip chaste tree twigs; 340-spring plate; 341-guide slope B; 350-a lock catch limiting small plane; 360-locking claw; 361-circular arc notch; 362-guide ramp C;

400-sealing ring.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 4, the quick connection structure for hose of the present invention comprises a quick connection joint 100, wherein the quick connection joint 100 is provided with an annular lock catch groove 120 and a quick connection main body 200, the side of the quick connection main body 200 is provided with an extension wall 210, the extension wall 210 is perpendicular to the axial direction of the quick connection main body 200 and symmetrically provided with a lock catch hole 211 and a lock catch 300, the side of the lock catch 300 is symmetrically provided with a rotation shaft 310, the left side below the lock catch 300 is provided with a lock catch claw 360, the rotation shaft 310 is installed in the lock catch hole 211 in a clearance fit manner, when connection is required, the quick connection joint 100 and the quick connection main body 200 are connected, and locking is performed by the cooperation of the lock catch claw 360 on the lock catch 300 and the lock catch groove 120 provided on the quick connection joint 100; when disassembly is required, the latch hooks 360 on the latch 300 and the latch grooves 120 provided on the quick connector 100 are disengaged for unlocking.

In this embodiment, inverted trapezoidal guide grooves 212 are further symmetrically disposed on the extension wall 210 of the quick-connection body 200, trapezoidal opening ends of the guide grooves 212 are flush with the end surface of the extension wall 210, and trapezoidal side edges of the grooves are tangent to the locking holes 211.

In this embodiment, the extension wall 210 of the quick-connection main body 200 is further provided with a limiting surface 213, the limiting surface 213 is parallel to the axis of the quick-connection main body 200, the corresponding lock catch 300 is provided with lock catch limiting small planes 350 in the front and back, and the limiting surface 213 and the lock catch limiting small planes 350 cooperate to limit the rotation of the lock catch 300 within an angle range of 0 ° to 30 °.

In this embodiment, the two side ends of the rotating shaft 310 of the latch 300 are provided with inclined surfaces 311, so that the rotating shaft 310 is narrow at the bottom and wide at the top.

In this embodiment, the lock catch 300 is further provided with a button plane 320 and an elastic sheet 340, the button plane 320 is arranged on the right side above the rotating shaft, in order to increase friction force, the button plane 320 is further provided with an anti-slip rib 330, and the elastic sheet 340 is integrally formed on the right side below the lock catch 300.

In this embodiment, the quick connector 100 is provided with a first hose 110, a first shaft segment 150, and a second shaft segment 160 in sequence; a first hole section 230, a second hole section 240 and a second hose 220 are arranged in sequence on the corresponding quick-connection main body 200; the first shaft segment 150 is a clearance fit with the first bore segment 230 and the second shaft segment 160 is a clearance fit with the second bore segment 240.

In this embodiment, the locking groove 120 is disposed in the middle of the first shaft section 150, the sealing ring groove 130 is disposed in the middle of the second shaft section 160, the sealing ring 400 is mounted on the sealing ring groove 130, and the diameter of the first shaft section 150 is larger than that of the second shaft section 160.

In this embodiment, the end of the second shaft segment 160 is provided with a guiding inclined surface a 140.

In this embodiment, the locking claw 360 is provided with an arc notch 361.

In this embodiment, the elastic piece 340 of the latch 300 is provided with a guiding inclined plane B341, and the hook of the latch 300 is provided with a guiding inclined plane C362.

In this embodiment, the latch 300 is movably mounted below the end surface of the extension wall 210.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A hose quick-connect structure characterized by comprising: the quick-connection joint is provided with a lock catch groove and a quick-connection main body, the side edge of the quick-connection main body is provided with an extension wall, the extension wall is provided with a lock catch hole and a lock catch, the side of the lock catch is symmetrically provided with a rotating shaft, the pulling direction of the quick-connection joint on the back surface of the lock catch is provided with a lock catch claw, the rotating shaft is rotatably installed in the lock catch hole in a matched mode, when connection is needed, the quick-connection joint and the quick-connection main body are connected in an inserted mode, and locking is achieved through the matching of the lock catch claw on the lock catch and the lock catch groove arranged on the quick-connection joint; when the quick connector needs to be disassembled, the lock catch claw on the lock catch is separated from the lock catch groove arranged on the quick connector for unlocking.

2. The quick hose connection structure according to claim 1, wherein inverted trapezoidal guide grooves are symmetrically formed in the extension wall of the quick connection body, trapezoidal opening ends of the guide grooves are flush with the end face of the extension wall, and trapezoidal side edges of the guide grooves are tangent to the locking holes.

3. The quick hose connection structure according to claim 2, wherein a limiting surface is further disposed on the extending wall of the quick connection body, the limiting surface is parallel to an axis of the quick connection body, locking limiting small planes are disposed on the corresponding locking catches in a front-back manner, and the limiting surface and the locking limiting small planes are matched to limit rotation of the locking catches within an angle range of 0-30 °.

4. The quick hose coupling structure according to claim 1, wherein both side ends of the rotating shaft of the locker are provided with slopes such that the rotating shaft is narrow at a lower portion and wide at an upper portion.

5. The quick hose connection structure according to claim 1, wherein the lock catch further comprises a button plane and a spring plate, the button plane is arranged on the right side above the rotating shaft, and the spring plate is integrally formed on the right side below the lock catch.

6. The quick hose connection structure according to claim 1, wherein the quick coupling comprises a first hose, a first shaft section, and a second shaft section in this order; the corresponding quick-connection main body is sequentially provided with a first hole section, a second hole section and a second hose; the first shaft section is in clearance fit with the first hole section, and the second shaft section is in clearance fit with the second hole section.

7. The quick hose connection structure according to claim 6, wherein the locking groove is formed in a middle portion of the first shaft section, the sealing ring groove is formed in a middle portion of the second shaft section, and a diameter of the first shaft section is larger than a diameter of the second shaft section.

8. The quick hose connection structure according to any one of claims 6 or 7, wherein the end of the second shaft section is provided with a guide slope A.

9. The quick hose connection structure according to claim 1, wherein the locking claw is provided with a circular arc notch.

10. A hose quick-connect structure as claimed in any one of claims 1 to 3, wherein the catch is movably mounted below the end face of the extension wall.