WO2021119955A1

WO2021119955A1 - Pipeline quick connecting device

Info

Publication number: WO2021119955A1
Application number: PCT/CN2019/125769
Authority: WO
Inventors: 龚激; 曹海斌
Original assignee: 苏州信运比尔精密机械有限公司
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2021-06-24
Also published as: CN111247365A

Abstract

A pipeline quick connecting device, comprising: a female connecting terminal (1), which is hollow inside, the two ends of the female connecting terminal being opened to form a female pipeline connecting end (113) and a female butt joint end (112), respectively; and a male connecting terminal (2), which is hollow inside, the two ends of the male connecting terminal being opened to form a male pipeline connecting end (215) and a male butt joint end (211), respectively, wherein the male butt joint end is provided opposite to the female butt joint end and is adapted to be selectively inserted into the female butt joint end so as to realize the quick plugging of the male connecting terminal and the female connecting terminal. A female current suppressing ring (114) is formed on the inner side wall of the female connecting terminal so as to divide an internal space of the female connecting terminal into a butt joint chamber and a drainage chamber, and a female current suppressing assembly (13) is arranged in the drainage chamber. According to the pipeline quick connecting device, the quick plugging of the female butt joint terminal and the male butt joint terminal can be realized only by axially shifting a locking sleeve (121), and a flow channel after butt joint can be ensured to have a better sealing effect, so that the convenience of butt joint and disconnection of two pipelines is greatly improved.

Description

Pipeline quick connect device

Technical field

The invention relates to the field of machinery, in particular to a pipeline quick connect device.

Background technique

In the mechanical field, it is well-known to adopt pipe docking devices of different structures to realize the docking of two pipelines. In the process of researching and realizing pipeline docking, the inventor found that the pipeline docking device in the prior art has at least the following problems:

The docking and disconnection of pipelines cannot be realized quickly, and many steps need to be performed in the process of docking and disconnecting, which leads to problems such as inconvenience in use and poor sealing after docking.

In view of this, it is necessary to develop a pipeline quick connect device to solve the above-mentioned problems.

Summary of the invention

In view of the shortcomings in the prior art, the main purpose of the present invention is to provide a pipeline quick connect device, which only needs to move the locking sleeve in the axial direction to realize the quick connection between the female butt terminal and the male butt terminal. It can be plugged and unplugged, and it can also ensure that the flow channel after docking has a better sealing effect, which greatly improves the convenience of docking and disconnecting the two pipelines.

In order to achieve the above-mentioned objects and other advantages according to the present invention, a pipeline quick connect device is provided, which includes:

Female connection terminals, which are hollow inside and open at both ends to respectively form a female pipeline connection end and a female butt end; and

The male connection terminal is hollow inside and open at both ends to form a male pipeline connection end and a male butting end respectively;

Wherein, the male butt end and the female butt end are arranged opposite to each other for being selectively inserted into the female butt end to realize quick insertion of the male connection terminal and the female connection terminal;

A female flow suppression ring is formed on the inner side wall of the female connection terminal to divide the internal space of the female connection terminal into a docking chamber and a drainage chamber, and the drainage chamber is provided with a female flow suppression component;

The mother flow suppression component includes:

A female fixing seat, which is fixed on the inner wall of the female connecting terminal, and is formed with a plurality of drainage holes arranged along the circumference thereof;

A female flow suppression shaft, which is parallel to the axis of the female connection terminal and one end of which is slidably inserted into the center of the female fixing seat;

A mother flow suppression plate, which is fixedly connected to the other end of the mother flow suppression shaft; and

The female reset component, which is arranged between the female suppressor plate and the female fixing seat and acts on the female suppressor plate, the female reset component can be elastically deformed, and the female reset component is used to make the The mother flow suppression plate always closes the mother flow suppression ring without external force.

Optionally, a female diversion end cover is fixedly connected to the side of the female fixing seat away from the drainage chamber, the female diversion end cover is arranged at the center of the female fixing seat and the female guide The radial dimension of the flow end cover shows a tendency of gradually shrinking along the direction away from the drainage chamber.

Optionally, the axial cross section of the female flow guiding end cover is parabolic.

Optionally, a locking component is provided on the outer circumference of the female butt end, and the locking component includes:

A locking sleeve, the sliding sleeve of which is arranged on the outer circumference of the female butt end;

At least two locking beads, which are arranged along the circumference of the female butt end; and

The lock reset component is arranged between the lock sleeve and the female butt end,

Wherein, the locking bead penetrates the inner and outer walls of the female butt end and is in rolling contact with the female butt end, and an inwardly protruding abutment ring is formed on the inner wall of the lock sleeve, and the abutment ring The inner periphery of the female abutting end is in sliding contact with the outer periphery of the female butting end, thereby forming a reset cavity and a limit cavity bounded by the abutment ring. The limit cavity is provided with a limit limit near the edge of the locking bead. A retaining ring, the locking and resetting part is arranged in the reset cavity and acting on the abutment ring, the locking and resetting part can be elastically deformed, so that the locking sleeve slides in the axial direction and is restricted Ring to a position opposite to the locking bead, so that the locking bead protrudes from the inner wall surface of the female butt end.

Optionally, a clamping groove recessed radially inward is formed between the male pipeline connection end of the male connection terminal and the male butting end, and when the male butting end is inserted into the female butting end , The locking bead is clamped to the clamping groove.

Optionally, a male current suppression ring is formed on the inner side wall of the end of the male butting end, and a male current suppression component is provided inside the male connecting terminal, and the male current suppression component includes:

A male fixing seat, which is fixed on the inner wall of the male connecting terminal, and is formed with a plurality of drainage holes arranged along the circumference thereof;

A male choke shaft, which is parallel to the axis of the male connecting terminal and one end of which is slidably inserted into the center of the male fixing seat;

A male suppression plate, which is fixedly connected to the other end of the male suppression shaft; and

A male reset component, which is arranged between the male restraint plate and the male fixing seat and acts on the male restraint plate, the male reset component can be elastically deformed, and the male reset component is used to make the The male suppressor plate always closes the male suppressor ring without external force.

Optionally, a female abutment post protruding along the axis is provided on the side of the female flow control plate facing the male connection terminal, and the side of the male flow control plate facing the female connection terminal is provided There is a male abutment post protruding along the axis. When the male abutment end is inserted into the female abutment end, the male abutment post and the female abutment post abut against each other, so that the male abutment plate and the female abutment The flow plate is reversely pushed open in the axial direction, so that the female connecting terminal is connected with the flow channel inside the male connecting terminal.

Optionally, a diameter-reduced section is provided between the connecting end of the female pipeline and the female butting end, a female connecting thread is formed on the inner periphery of the connecting end of the female pipeline, and the inner periphery of the connecting end of the male pipeline is formed with Male connection thread.

Optionally, a bead push ring is formed between the male butting end and the clamping groove next to the clamping groove, and the bead pushing ring protrudes from the outer wall of the male butting end.

Optionally, a male diversion end cover is fixedly connected to the side of the male fixing seat away from the male abutment column, and the male diversion end cover is arranged at the center of the male fixing seat and the The radial dimension of the male guide end cover is gradually reduced along the direction away from the drainage chamber, and the axial section of the female guide end cover is parabolic.

One of the above technical solutions has the following advantages or beneficial effects: because it only needs to move the locking sleeve in the axial direction to realize the quick plugging and unplugging of the female butting terminal and the male butting terminal, and it can also ensure the flow after the docking. The channel has a better sealing effect, which greatly improves the convenience of connecting and disconnecting the two pipelines.

Description of the drawings

Fig. 1 is a perspective view of a pipeline quick connect device according to an embodiment of the present invention;

Figure 2 is a front view of a pipeline quick connect device according to an embodiment of the present invention;

Fig. 3 is an axial cross-sectional view along the A-A direction in Fig. 2.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used in all the drawings to indicate the same or similar parts.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined relative to the configuration shown in the drawings In particular, "height" is equivalent to the size from top to bottom, "width" is equivalent to the size from left to right, and "depth" is equivalent to the size from front to back. They are relative concepts, so they may be based on It changes accordingly in different positions and different usage states. Therefore, these or other positions should not be interpreted as restrictive terms.

Terms related to attachment, coupling, etc. (for example, "connection" and "attachment") refer to the relationship in which these structures are directly or indirectly fixed or attached to each other through intermediate structures, and the movable or rigid attachment or relationship, unless Other ways are clearly stated.

According to an embodiment of the present invention in conjunction with the diagrams shown in FIGS. 1 to 3, it can be seen that the pipeline quick connect device includes:

The female connection terminal 1 is hollow inside and is open at both ends to form a female pipeline connection end 113 and a female butt end 112 respectively; and

The male connection terminal 2 has a hollow interior and is open at both ends to form a male pipeline connection end 215 and a male butting end 211 respectively;

Wherein, the male docking terminal 211 and the female docking terminal 112 are disposed opposite to each other to be selectively inserted into the female docking terminal 112 to realize quick insertion of the male connection terminal 2 and the female connection terminal 1;

A female flow suppression ring 114 is formed on the inner side wall of the female connection terminal 1 to divide the internal space of the female connection terminal 1 into a docking chamber and a drainage chamber, and the drainage chamber is provided with a female flow suppression assembly 13;

The mother flow suppression component 13 includes:

The female fixing seat 131 is fixed on the inner wall of the female connecting terminal 1 and has a plurality of drainage holes arranged along the circumference thereof formed thereon;

A female flow suppression shaft 133, which is parallel to the axis of the female connection terminal 1 and one end of which is slidably inserted into the center of the female fixing seat 131;

The mother flow suppression plate 135, which is fixedly connected to the other end of the mother flow suppression shaft 133; and

The female reset part 134 is arranged between the female flow suppression plate 135 and the female fixing seat 131 and acts on the female flow suppression plate 135. The female reset part 134 can be elastically deformed, and the female reset The component 134 is used to make the mother flow suppression plate 135 always close the mother flow suppression ring 114 without external force.

3 again, a female diversion end cover 132 is fixed on the side of the female fixing seat 131 away from the drainage chamber, and the female diversion end cover 132 is arranged at the center of the female fixing seat 131 and The radial dimension of the female diversion end cover 132 is gradually reduced along the direction away from the diversion chamber.

Further, the axial cross section of the female flow guiding end cover 132 is parabolic.

Reference will now be made to FIG. 3, which shows the specific structure at the female butt end 112 in detail. Specifically, the outer periphery of the female butt end 112 is provided with a locking assembly 12, and the locking assembly 12 includes:

A locking sleeve 121, which is slidably sleeved on the outer periphery of the female butt end 112;

At least two locking beads 127, which are arranged along the circumferential direction of the female butt end 112; and

The locking reset component 124 is arranged between the locking sleeve 121 and the female butting end 112,

Wherein, the locking bead 127 penetrates the inner and outer walls of the female butting end 112 and is in rolling contact with the female butting end 112, and the inner wall of the locking sleeve 121 is formed with a ring of abutting rings 126 protruding inwardly. , The inner circumference of the abutment ring 126 is in sliding contact with the outer circumference of the female abutting end 112, thereby forming a reset cavity 122 and a limit cavity 123 bounded by the abutment ring 126, and the limit cavity 123 is provided There is a limit ring 125 constrained near the edge of the locking bead 127, the locking and resetting member 124 is disposed in the reset cavity 122 and acts on the abutment ring 126, and the locking and resetting member 124 can Elastically deformed, so that the locking sleeve 121 slides in the axial direction and is moved by the stop ring 125 to a position opposite to the locking bead 127, so that the locking bead 127 protrudes from the inner wall of the female abutting end 112 surface.

Further, a clamping groove 213 recessed radially inward is formed between the male pipe connection end 215 of the male connection terminal 2 and the male butting end 211. When the male butting end 211 is inserted into the female butting end When the end 112 is inside, the locking bead 127 is locked with the locking groove 213.

Further, a male current suppression ring 216 is formed on the inner side wall of the end of the male butting end 211, and a male current suppression component 22 is provided inside the male connecting terminal 2, and the male current suppression component 22 includes:

The male fixing seat 221 is fixed on the inner wall of the male connecting terminal 2 and is formed with a plurality of drainage holes arranged along the circumference thereof;

The male flow suppression shaft 223 is parallel to the axis of the male connecting terminal 2 and one end of which is slidably inserted into the center of the male fixing seat 221;

The male suppression plate 225 is fixedly connected to the other end of the male suppression shaft 223; and

The male reset component 224 is arranged between the male restraint plate 225 and the male fixing seat 221 and acts on the male restraint plate 225. The male reset component 224 can be elastically deformed, and the male reset The component 224 is used to make the male suppression plate 225 always close the male suppression ring 216 without external force.

Further, the side of the female flow control plate 135 facing the male connection terminal 2 is provided with a female abutment post 136 protruding along the axis, and the male flow control plate 225 faces the female connection terminal 1 One side is provided with a male abutment post 226 protruding along the axis. When the male abutment end 211 is inserted into the female abutment end 112, the male abutment post 226 abuts against the female abutment post 136, so that the The male baffle plate 225 and the female baffle plate 135 are reversely pushed apart in the axial direction, so that the female connection terminal 1 and the internal flow channel of the male connection terminal 2 are connected.

Referring to FIG. 3, when in use, it is only necessary to push the locking sleeve 121 in the direction of arrow B in FIG. 3 while the male butting end 211 is inserted into the female butting end 112, so that the abutting ring 126 no longer covers the locking bead 127 So that the locking bead 127 can pass over the male butting end 211 and fall into the clamping groove 213. When the male butting end 211 and the female butting end 112 are in place, the locking sleeve 121 is released to make the abutting ring 126 covers the outer circumference of the locking bead 127 again, so that the radial movement direction of the locking bead 127 is limited by the abutment ring 126, so that the locking bead 127 is firmly confined in the locking groove 213, and finally realized The female connection terminal 1 and the male connection terminal 2 are quickly connected to each other, and when the two are to be quickly disconnected, the reverse operation is sufficient, which will not be repeated here.

A clamping groove 213 recessed radially inward is formed between the male pipe connection end 215 of the male connection terminal 2 and the male butting end 211. When the male butting end 211 is inserted into the female butting end 112 At this time, the locking bead 127 is locked with the locking groove 213.

2 and 3, a diameter-reduced section 111 is provided between the female pipe connecting end 113 and the female butting end 112, a female connecting thread 1131 is formed on the inner periphery of the female pipe connecting end 113, and the male A male connecting thread 1151 is formed on the inner circumference of the pipe connecting end 115.

Further, between the male butting end 211 and the clamping groove 213 is formed a ring of a push bead ring 212 adjacent to the clamping groove 213, and the push bead ring 212 protrudes from the outer wall of the male butting end 211 .

Further, a male diversion end cover 222 is fixedly connected to the side of the male fixing seat 221 away from the male abutment column 226, and the male diversion end cover 222 is disposed at the center of the male fixing seat 221 In addition, the radial dimension of the male guide end cover 222 is gradually reduced along the direction away from the drainage chamber, and the axial section of the female guide end cover 132 is parabolic.

The number of equipment and the processing scale described here are used to simplify the description of the present invention. The applications, modifications and changes to the present invention are obvious to those skilled in the art.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. For those skilled in the art, it can be easily Other modifications are implemented, so without departing from the general concept defined by the claims and equivalent scope, the present invention is not limited to the specific details and the legends shown and described here.

Claims

A quick connect device for pipelines, which is characterized in that it comprises:

The female connection terminal (1), which is hollow inside and opened at both ends to respectively form a female pipeline connection end (113) and a female butt end (112); and

The male connecting terminal (2) is hollow inside and open at both ends to form a male pipeline connecting end (215) and a male butting end (211);

Wherein, the male butting end (211) and the female butting end (112) are arranged opposite to each other to be selectively inserted into the female butting end (112) to realize the male connection terminal (2) and the female connection terminal (1) Quick docking;

A female flow suppression ring (114) is formed on the inner side wall of the female connection terminal (1) to divide the internal space of the female connection terminal (1) into a docking chamber and a drainage chamber, and the drainage chamber is provided with Mother flow suppression component (13);

The mother flow suppression component (13) includes:

A female fixing seat (131), which is fixed on the inner wall of the female connecting terminal (1), and a plurality of drainage holes arranged along the circumference thereof are formed thereon;

A female flow suppression shaft (133), which is parallel to the axis of the female connection terminal (1) and one end of which is slidably inserted into the center of the female fixing seat (131);

The mother flow suppression plate (135), which is fixedly connected to the other end of the mother flow suppression shaft (133); and

The female reset component (134), which is arranged between the female suppressor plate (135) and the female fixing seat (131) and acts on the female suppressor plate (135), the female reset component (134) ) Can produce elastic deformation, and the female return component (134) is used to make the female flow suppression plate (135) always close the female flow suppression ring (114) without external force.
The pipeline quick connect device according to claim 1, characterized in that, a female diversion end cover (132) is fixedly connected to the side of the female fixing seat (131) far from the drainage chamber, and the female guide The flow end cover (132) is arranged at the center of the female fixing seat (131), and the radial size of the female flow guide end cover (132) is gradually reduced along the direction away from the drainage chamber .
The pipeline quick connect device according to claim 2, wherein the axial cross section of the female guide end cover (132) is parabolic.
The pipeline quick connect device according to claim 1, characterized in that a locking assembly (12) is provided on the outer periphery of the female butting end (112), and the locking assembly (12) comprises:

A locking sleeve (121), the sliding sleeve of which is arranged on the outer circumference of the female butt end (112);

At least two locking beads (127), which are arranged along the circumference of the female butt end (112); and

A locking reset component (124), which is arranged between the locking sleeve (121) and the female butting end (112),

Wherein, the locking bead (127) penetrates the inner and outer walls of the female butting end (112) and is in rolling contact with the female butting end (112), and a ring is formed on the inner wall of the locking sleeve (121). An inner convex abutment ring (126), the inner circumference of the abutment ring (126) is in sliding contact with the outer circumference of the female butting end (112), thereby forming a reset bounded by the abutment ring (126) A cavity (122) and a limiting cavity (123), the limiting cavity (123) is provided with a limiting ring (125) limited near the edge of the locking bead (127), the locking reset component ( 124) is arranged in the reset cavity (122) and acts on the abutment ring (126), the locking and resetting component (124) can be elastically deformed, so that the locking sleeve (121) is axially The stop ring (125) is slid to be opposite to the locking bead (127), so that the locking bead (127) protrudes from the inner wall surface of the female butt end (112).
The pipeline quick connect device according to claim 4, characterized in that, between the male pipeline connecting end (215) and the male butting end (211) of the male connecting terminal (2) is formed along its radial direction The recessed clamping groove (213), when the male butting end (211) is inserted into the female butting end (112), the locking bead (127) is locked with the clamping groove (213) Pick up.
The pipeline quick connect device according to claim 1, characterized in that, a male flow suppression ring (216) is formed on the inner side wall of the end of the male butting end (211), and the male connection terminal (2) There is a male damping component (22) inside, and the male damping component (22) includes:

The male fixing seat (221) is fixed on the inner wall of the male connecting terminal (2), and a plurality of drainage holes arranged along the circumference thereof are formed on the male fixing seat (221);

A male flow suppression shaft (223), which is parallel to the axis of the male connection terminal (2) and one end of which is slidably inserted into the center of the male fixing seat (221);

A male suppression plate (225), which is fixedly connected to the other end of the male suppression shaft (223); and

A male reset component (224), which is arranged between the male suppressor plate (225) and the male fixing seat (221) and acts on the male suppressor plate (225), the male reset component (224) ) Can be elastically deformed, and the male return member (224) is used to enable the male suppression plate (225) to always close the male suppression ring (216) without external force.
The pipeline quick connect device according to claim 6, characterized in that, the side of the female baffle plate (135) facing the male connecting terminal (2) is provided with a female abutment post protruding along the axis (136), the side of the male flow suppression plate (225) facing the female connection terminal (1) is provided with a male abutting post (226) protruding along the axis, when the male abutting end (211) When inserted into the female butt end (112), the male abutment post (226) and the female abutment post (136) abut against each other, so that the male abutment plate (225) and the female abutment plate (135) It is reversely pushed apart in the axial direction, thereby making the female connecting terminal (1) communicate with the flow channel inside the male connecting terminal (2).
The pipeline quick connect device according to claim 1, wherein a diameter reduction section (111) is provided between the connecting end (113) of the mother pipeline and the female butting end (112), and the mother pipeline A female connecting thread (1131) is formed on the inner circumference of the connecting end (113), and a male connecting thread (1151) is formed on the inner circumference of the male pipe connecting end (115).
The pipeline quick connect device according to claim 5, characterized in that, between the male butting end (211) and the clamping groove (213) is formed a circle of pushers adjacent to the clamping groove (213). A bead ring (212), the push bead ring (212) protrudes from the outer wall of the male butting end (211).
The pipeline quick connect device according to claim 7, characterized in that the side of the male fixing seat (221) far from the male abutment column (226) is fixedly connected with a male diversion end cover (222) , The male diversion end cover (222) is arranged at the center of the male fixing seat (221), and the radial dimension of the male diversion end cover (222) is along the direction away from the drainage chamber In a gradual shrinking trend, the axial cross section of the female guide end cover (132) is parabolic.