CN111853402A

CN111853402A - Quick-release joint

Info

Publication number: CN111853402A
Application number: CN202010268679.8A
Authority: CN
Inventors: 温芫鋐
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-29
Filing date: 2020-04-08
Publication date: 2020-10-30
Anticipated expiration: 2040-04-08
Also published as: TWI681140B; TW202040043A; CN212900296U; CN111853402B

Abstract

The invention relates to a quick-release joint which comprises a body and a quick-release structure. The body defines an axial direction and includes a first joint and a second joint. The quick-release structure comprises a ring wall and a flange which is arranged in a protruding mode in the radial direction, the ring wall is provided with at least one radial clamping portion and at least one first notch, one of the ring wall and the flange is arranged on the first connector, and the other one of the ring wall and the flange is arranged on the second connector.

Description

Quick-release joint

Technical Field

The invention relates to a quick-release joint.

Background

According to the requirement of convenient and fast disassembly and assembly of a common oil line pipeline, in order to utilize a mode of pushing and abutting a ball and a clamping groove to be mutually clamped for fast disassembly and assembly, the clamping between the ball and the clamping groove is mainly switched by pushing and pulling an outer sleeve part to assemble or release an oil pipe, however, the outer sleeve part is only fixed by a spring part, so that the fixing effect is easily lost and the oil pipe is loosened due to the elastic fatigue of a spring, and in addition, the outer sleeve part is also easy to drop the oil pipe due to the pushing and pulling of an unintended external force, so that serious consequences such as oil body leakage, brake device failure and the like are caused. Therefore, there is a joint using a screw lock method as disclosed in taiwan patent No. M466864 to prevent the oil pipe from loosening, but the screw lock is too long in assembling and disassembling, and the screw lock may not be tightened and fail without the assistance of a proper tool, which has the disadvantage of requiring improvement.

Therefore, there is a need for a new and improved quick release joint to solve the above problems.

Disclosure of Invention

The main objective of the present invention is to provide a quick release joint, which can quickly disassemble and assemble a first joint and a second joint, and when the first joint is assembled with the second joint, the first joint and the second joint can be effectively prevented from accidentally releasing, so as to avoid fluid leaking.

To achieve the above objective, the present invention provides a quick release joint, which includes a body and a quick release structure. The body defines an axial direction and includes a first joint and a second joint. The quick-release structure comprises a ring wall and a flange which is arranged in a protruding mode in the radial direction, the ring wall is provided with at least one radial clamping portion and at least one first notch, one of the ring wall and the flange is arranged on the first connector, and the other one of the ring wall and the flange is arranged on the second connector. When the flange is at a first position relative to the annular wall, the flange corresponds to the at least one first notch so that the flange can be selectively inserted into the annular wall; when the flange is inserted into the annular wall and the flange rotates to a second position along the axial direction relative to the annular wall, the at least one clamping part is clamped against the flange along the axial direction.

Preferably, the first joint is further sleeved with a first sleeve, the second joint is further sleeved with a second sleeve, and the first sleeve is provided with the annular wall.

Preferably, the second sleeve is slidably disposed on the second joint along the axial direction and has at least one second notch, wherein when the flange is inserted into the annular wall and the flange rotates relative to the annular wall along the axial direction to the second position, the annular wall is inserted into the at least one second notch.

Preferably, each of the first notches and each of the second notches have an oblique edge inclined to the axial direction at both ends of the axial direction.

Preferably, the first sleeve member and the second sleeve member are disposed at a same position, and the first joint is disposed at a position opposite to the second joint.

Preferably, the first sleeve is rotatably and slidably sleeved on the first joint along the axial direction, and a stop is radially disposed at one end of the first joint facing the second joint to limit a stop edge of the first sleeve.

Preferably, the flange has a non-circular shape, the flange has at least one tab projecting from two radially opposite sides, and the second sleeve member has a non-circular hole corresponding to the shape of the flange, and the non-circular hole is fitted over the flange.

Preferably, the first joint is provided with a first pipeline, the first pipeline is communicated with two ends of the first joint along the axial direction, the second joint is provided with a second pipeline, and the second pipeline is communicated with two ends of the second joint along the axial direction.

Preferably, one of the first joint and the second joint is provided with a large diameter section, and the other joint is provided with a small diameter section, and when the flange is inserted into the annular wall, the small diameter section is also inserted into the large diameter section, so that the first pipeline is communicated with the second pipeline.

Preferably, as the above technical solution, it is characterized in that the first pipeline and the second pipeline are respectively provided with a containing groove, the two containing grooves are respectively provided with an elastic abutting member, the two elastic abutting members normally abut against each other along the axial direction in the facing direction to seal the notches of the two containing grooves, when the small diameter section is inserted into the large diameter section, the two elastic abutting members abut against each other to make the two elastic abutting members respectively away from the two notches, so that the first pipeline is communicated with the second pipeline.

The invention has the advantages that the first joint and the second joint can be quickly disassembled and assembled, and when the first joint and the second joint are assembled, the first joint and the second joint can be effectively prevented from being accidentally loosened, so that the fluid can be prevented from leaking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required for the embodiments or the technical solutions in the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is a disassembled view of a preferred embodiment of the present invention.

Fig. 3 is an exploded view of a preferred embodiment of the present invention.

Fig. 4 and 5 are operational side sectional views of a preferred embodiment of the present invention.

FIG. 6 is a partial schematic view of a preferred embodiment of the present invention.

Fig. 7 and 8 are axial cross-sectional views of a preferred embodiment of the invention.

Wherein, 1: a body; 2: a first joint; 3: a second joint; 4: a quick release structure; 5: an urging member; 11: axial direction; 12: an elastic member; 21: a first kit; 22: a flange; 23: a first pipeline; 24: a large diameter section; 25: a containing groove; 241: an O-ring; 31: a second kit; 32: a second notch; 33: a second pipeline; 34: a small diameter section; 35: a containing groove; 311: a non-circular perforation; 321: a bevel edge; 41: an annular wall; 42: a flange; 43: a clamping part; 44: a first notch; 421: a fin; 441: a beveled edge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The following description is given by way of example only, and is not intended to limit the scope of the present invention, as illustrated in .

Referring to fig. 1 to 8, which illustrate a preferred embodiment of the present invention, the quick release joint of the present invention includes a body 1 and a quick release structure 4.

The body 1 defines an axial direction 11, and includes a first joint 2 and a second joint 3. In this embodiment, the first joint 2 is provided with a first pipeline 23, the first pipeline 23 is communicated with two ends of the first joint 2 along the axial direction 11, the second joint 3 is provided with a second pipeline 33, and the second pipeline 33 is communicated with two ends of the second joint 3 along the axial direction 11.

The quick release structure 4 includes a ring wall 41 and a radially protruding flange 42, the ring wall 41 has at least one radial locking portion 43 and at least one first notch 44, one of the ring wall 41 and the flange 42 is disposed on the first joint 2, and the other is disposed on the second joint 3.

Wherein, when the flange 42 is at a first position (as shown in fig. 2, 4 and 7) relative to the annular wall 41, the flange 42 corresponds to the at least one first gap 44 so that the flange 42 can be selectively inserted into the annular wall 41; when the flange 42 is inserted into the annular wall 41 and the flange 42 is rotated to a second position along the axial direction 11 relative to the annular wall 41 (as shown in fig. 5, 6 and 8), the at least one locking portion 43 is locked against the flange 42 along the axial direction 11, the flange 42 is disengaged from the annular wall 41, the first joint 2 and the second joint 3 are engaged and disengaged, and the first pipeline 23 and the second pipeline 7 are communicated. In the embodiment, the annular wall 41 is disposed on the first connector 2, the flange 42 is disposed on the second connector 3, and the flange 42 has a non-circular shape. Therefore, the invention can rapidly assemble and disassemble the first joint 2 and the second joint 3, and when the first joint 2 is assembled with the second joint 3, the first joint 2 and the second joint 3 can be effectively prevented from accidentally loosening, thereby avoiding fluid leakage.

Specifically, the first connector 2 is further sleeved with a first sleeve 21, the second connector 3 is further sleeved with a second sleeve 31, and the first sleeve 21 is provided with the annular wall 41.

Further, the first sleeve 21 can be rotatably and slidably sleeved on the first joint 2 along the axial direction 11, and a stop edge 22 for stopping and limiting the first sleeve 21 is radially disposed at one end of the first joint 2 facing the second joint 3 to prevent the first sleeve 21 from being separated from the first joint 2.

Preferably, the second sleeve 31 is slidably disposed on the second joint 3 along the axial direction 11 and has at least one second notch 32, in this embodiment, two second notches 32, wherein when the flange 42 is inserted into the annular wall 41 and the flange 42 rotates to the second position along the axial direction 11 relative to the annular wall 41, the annular wall 41 is inserted into the two second notches 32, in this embodiment, the flange 42 has two protruding tabs 421 protruding and extending along two radially opposite sides, two radially opposite sides of the annular wall 41 are respectively provided with one second notch 32, when the flange 42 is at the first position relative to the annular wall 41, the two notches correspond to the two tabs 421 of the flange 42, and the flange 42 can be inserted into or separated from the annular wall 41. The quick release joint further includes an elastic member 12, the elastic member 12 is elastically abutted to one of the first joint 2 and the second joint 3 to elastically abut one of the first sleeve member 21 and the second sleeve member 31 in the direction of the other, in this embodiment, the elastic member 12 is disposed on the second joint 3 and elastically abuts the second sleeve member 31 in the direction of the first sleeve member 21, when the annular wall 41 is rotated to the second position along the axial direction 11 relative to the flange 42, the second notches 32 of the second sleeve member 31 are sleeved on the annular wall 41, so as to prevent the annular wall 41 from rotating relative to the flange 42 arbitrarily and separating the annular wall 41 from the flange 42.

Preferably, two ends of each of the first notches 44 and the second notches 32 along the axial direction 11 are respectively provided with a bevel 321,441 inclined to the axial direction 11, so that when the annular wall 41 is inserted into the second notches 32 (as shown in fig. 6), a strong external force is applied, and the bevel 321,441 of each of the first notches 44 and the second notches 32 can be pushed against each other to make the second sleeve 31 slide in a direction away from the first sleeve 21.

In addition, the second sleeve 31 is provided with a non-circular through hole 311 corresponding to the shape of the flange 42, and the non-circular through hole 311 is sleeved on the flange 42 to prevent the second sleeve 31 from rotating relative to the second connector 3.

It should be noted that one of the first connector 2 and the second connector 3 is provided with a large diameter section 24, the other is provided with a small diameter section 34, when the flange 42 is inserted into the annular wall 41, the small diameter section 34 is also inserted into the large diameter section 24, so as to connect the first pipeline 23 with the second pipeline 33 and prevent liquid leakage from between the first pipeline 23 and the second pipeline 33, preferably, the inner wall of the large diameter section 24 is provided with an O-ring 241 for better sealing effect.

It should be noted that the first pipeline 23 and the second pipeline 33 are respectively provided with a containing groove 25,35, the two containing grooves 25,35 are respectively provided with a spring abutting member 5, the two spring abutting members 5 normally abut against in the opposite direction along the axial direction 11 to seal the notches of the two containing grooves 25,35, in this embodiment, the spring abutting member 5 includes a sealing bead and a spring, so that when the first joint 2 and the second joint 3 are connected, the liquid leakage can be prevented, and when the small diameter section 34 is inserted into the large diameter section 24, the two spring abutting members 5 abut against each other to make the two spring abutting members 5 respectively away from the two notches, so as to communicate the first pipeline 23 with the second pipeline 33.

In summary, the quick-release joint of the present invention can quickly disassemble and assemble the first joint and the second joint, and when the first joint is assembled with the second joint, the first joint and the second joint can be effectively prevented from accidentally loosening, thereby preventing fluid from leaking.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A quick disconnect coupling, comprising:

a body defining an axial direction and including a first joint and a second joint;

the quick-release structure comprises a ring wall and a flange which is arranged in a protruding mode in the radial direction, the ring wall is provided with at least one radial clamping part and at least one first notch, one of the ring wall and the flange is arranged on the first connector, and the other one of the ring wall and the flange is arranged on the second connector;

When the flange is at a first position relative to the annular wall, the flange corresponds to the at least one first notch so that the flange can be selectively inserted into the annular wall; when the flange is inserted into the annular wall and the flange rotates to a second position along the axial direction relative to the annular wall, the at least one clamping part is clamped against the flange along the axial direction.

2. The quick disconnect coupling of claim 1, wherein the first coupling is further provided with a first sleeve, the second coupling is further provided with a second sleeve, and the first sleeve is provided with the annular wall.

3. The quick release connector of claim 2, wherein the second sleeve is slidably disposed on the second connector along the axial direction and has at least one second notch, and when the flange is inserted into the annular wall and the flange is rotated to the second position along the axial direction relative to the annular wall, the annular wall is inserted into the at least one second notch.

4. The quick release joint according to claim 3, wherein each of the first notches and each of the second notches have an oblique edge inclined to the axial direction at each of two ends of the axial direction.

5. The quick release connector of claim 3 further comprising a resilient member, the resilient member being resiliently mounted to one of the first connector and the second connector to urge the other of the first sleeve and the second sleeve toward the other.

6. The quick release joint of claim 2, wherein the first sleeve is rotatably and slidably sleeved on the first joint in the axial direction, and a stop is radially disposed at an end of the first joint facing the second joint to limit a stop edge of the first sleeve.

7. The quick release joint according to claim 2 wherein the flange is non-circular in shape, the flange having at least one tab projecting radially from opposite sides thereof, the second sleeve member having a non-circular aperture corresponding to the shape of the flange, the non-circular aperture being disposed about the flange.

8. The quick disconnect coupling of any one of claims 1-7, wherein the first coupling defines a first conduit that communicates with both ends of the first coupling in the axial direction, and the second coupling defines a second conduit that communicates with both ends of the second coupling in the axial direction.

9. The quick disconnect coupling of claim 8 wherein one of the first and second couplings defines a large diameter section and the other defines a small diameter section, the small diameter section being inserted into the large diameter section when the flange is inserted into the annular wall to communicate the first conduit with the second conduit.

10. The quick release joint of claim 9 wherein the first and second pipelines each have a receiving slot, the receiving slots each have an urging member, the urging members normally urge in opposite directions along the axial direction to close the opposing slots of the receiving slots, and when the small diameter section is inserted into the large diameter section, the urging members urge against each other to keep the urging members away from the two slots, respectively, so that the first and second pipelines are connected.