CN111853387B

CN111853387B - Joint device and pipeline structure

Info

Publication number: CN111853387B
Application number: CN202010754779.1A
Authority: CN
Inventors: 卢环宇; 胡西云; 王振兴
Original assignee: Sany Automobile Hoisting Machinery Co Ltd
Current assignee: Sany Automobile Hoisting Machinery Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2022-06-17
Anticipated expiration: 2040-07-30
Also published as: CN111853387A

Abstract

A joint device and a piping structure, wherein the joint device comprises a first joint, a second joint and a locking member; the first joint comprises a matching section and a first connecting part, the matching section can be inserted into the second joint, and the first connecting part is arranged on one side of the matching section, which is far away from the end part of the first joint; the second joint comprises a second connecting part which is positioned at the end part of the second joint; when the mating section is inserted into the second joint, the locking member can connect the first connecting portion and the second connecting portion to lock the first joint and the second joint. It can realize the dismouting fast, conveniently to the piecing devices for the pipeline structure that has adopted this piecing devices can be connected or break off fast, conveniently.

Description

Joint device and pipeline structure

Technical Field

The invention relates to the field of mechanical equipment, in particular to a joint device and a pipeline structure.

Background

The pipeline structure is widely applied to industry and life, and water, electricity, gas and heat in families, liquid, gas and the like in industry and the like need to be applied.

The pipelines are connected through joints and can be divided into various types according to different structures.

The existing joint is mostly fixed connection, the female joint of the fixed joint is firstly fixed on the valve body, and the male joint is connected with the pipeline and then connected with the female joint, so that the pipeline is connected with the valve body.

The joint of the structure can not realize quick assembly and disassembly, and is inconvenient to use in a pipeline structure needing flexible adjustment.

Disclosure of Invention

The invention aims to provide a connector device which can be quickly and conveniently disassembled and assembled.

It is another object of the present invention to provide a pipe structure which can be connected or disconnected quickly and easily.

The invention is realized by the following steps:

a joint device comprises a first joint, a second joint and a locking piece; the first joint comprises a matching section and a first connecting part, the matching section can be inserted into the second joint, and the first connecting part is arranged on one side of the matching section, which is far away from the end part of the first joint; the second joint comprises a second connecting part which is positioned at the end part of the second joint; when the mating section is inserted into the second joint, the locking member can connect the first connecting portion and the second connecting portion to lock the first joint and the second joint.

According to the joint device, the first joint and the second joint are connected and separated through the locking piece, so that the joint device can be quickly and conveniently disassembled and assembled, the requirement for change of a pipeline structure is met, the work of workers is reduced, and the work efficiency is improved.

Further, first connecting portion include offer at the first cell body that connects, and the second connecting portion include offer the second cell body that connects at the second, and when the cooperation section inserted the second and connects, the position of first cell body and the position of second cell body coincided in the axial that the second connects.

Further, the locking piece includes a snap ring that can be snapped into the first and second grooves when the mating segment is inserted into the second connector.

Further, the first groove body is a ring groove formed in the outer peripheral surface of the first joint.

Furthermore, the second joint comprises a body and a lug, the lug is connected with the end face of the body and protrudes out of the body, and the second groove body is formed in the lug.

Further, the second groove body is arranged on the outer peripheral surface of the lug.

Further, the second joint includes two lugs disposed at intervals in a circumferential direction of the second joint.

Further, the locking member includes a snap ring including a ring body and a flange projecting toward an inside of the ring body; when the mating segment is inserted into the second connector, the ring body snaps into the second socket, and the flange passes through the gap between the two lugs and snaps into the first socket.

Further, the ring body has an opening therein, the opening being equidistant from the two lugs, the width of the opening being less than the maximum length of the lugs in the radial direction of the second joint.

A pipeline structure comprises a first pipeline, a second pipeline and the joint device, wherein a first joint of the joint device is connected with the first pipeline, and a second joint of the joint device is connected with the second pipeline; the first and second fittings are connectable to communicate the first and second conduits, and are separable to disconnect the first and second conduits.

The first joint and the second joint are respectively used for connecting different pipelines, the first joint and the second joint are connected to realize the communication of the first pipeline and the second pipeline, and the first joint and the second joint are separated to realize the disconnection of the first pipeline and the second pipeline, so that the pipeline structure can be quickly and conveniently connected or disconnected, the pipeline structure can be efficiently changed, and the flexibility of the pipeline structure is improved.

The invention has the following beneficial effects: it can realize the dismouting fast, conveniently to the piecing devices for the pipeline structure that has adopted this piecing devices can be connected or break off fast, conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is an exploded view of an embodiment of a joint assembly of the present invention;

FIG. 2 is a schematic view of a connection state of an embodiment of a joint device of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view of a first coupling of an embodiment of a coupling device of the present invention;

FIG. 5 is a perspective view of a second connector of an embodiment of the connector device of the present invention;

fig. 6 is a schematic view of a snap ring of an embodiment of the joint device of the present invention.

In the figure:

10-a first joint; 11-a mating segment; 12-a first trough; 13-sealing ring; 20-a second linker; 21-a lug; 22-a second trough body; 23-a hexagonal section; 24-a threaded segment; 25-clearance; 30-a snap ring; 31-a ring body; 32-a flange; 33-opening.

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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the present product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The invention provides a joint device, which comprises a first joint 10, a second joint 20 and a locking piece; the first joint 10 comprises a matching section 11 and a first connecting part, wherein the matching section 11 can be inserted into the second joint 20, and the first connecting part is arranged on one side of the matching section 11 far away from the end part of the first joint 10; the second joint 20 includes a second connection portion at an end of the second joint 20; when the mating segment 11 is inserted into the second connector 20, the locking member can connect the first connecting portion and the second connecting portion to lock the first connector 10 and the second connector 20.

The first joint 10 and the second joint 20 of the joint device of the invention realize quick assembly and disassembly through the locking piece, after the matching section 11 of the first joint 10 is inserted into the second joint 20, the locking piece is arranged on the first connecting part and the second connecting part, so that the connection of the first joint 10 and the second joint 20 can be realized, and the first joint 10 is pulled out after the locking piece is removed, so that the separation can be realized, and the operation of assembling and disassembling the joints is more efficient.

Wherein first connecting portion are including seting up at the first cell body 12 that connects 10, and the second connecting portion are including seting up the second cell body 22 on the second connects 20, and when cooperation section 11 inserted the second and connect 20, the position of first cell body 12 and the position of second cell body 22 overlapped on the axial of second joint 20.

The locking member includes a snap ring 30, and when the mating segment 11 is inserted into the second connector 20, the snap ring 30 can be snapped into the first and

second grooves

12 and 22, thereby fixing the first and

second connectors

10 and 20.

In one embodiment of the present invention, as shown in fig. 1-6, the first connector 10 is a male connector, typically used to connect a pipe, and the second connector 20 is a female connector, which may connect a pipe or a valve body.

As shown in fig. 4, the fitting section 11 of the first connector 10 is inserted into the hole of the second connector 20, thereby communicating the first connector 10 and the second connector 20.

Two sealing rings 13 are arranged on the mating section 11 of the first joint 10 to achieve a seal between the first joint 10 and the second joint 20.

A first groove body 12 is arranged at the rear part of the matching section 11, and the first groove body 12 is a ring groove.

The rear of the first groove 12 has a limiting section, and the diameter of the limiting section is larger than that of the matching section 11, so that the second joint 20 is stopped by the limiting section.

As shown in fig. 5, the second connector 20 includes a body, and the body includes a threaded section 24, the threaded section 24 is used for connecting a pipeline or a valve body, and after the connection, the second connector 20 is fixedly connected with the pipeline or the valve body.

The body further comprises a hexagonal section 23, the hexagonal section 23 is connected with the threaded section 24, the cross section of the hexagonal section 23 is hexagonal, and a worker can use a wrench to screw the hexagonal section 23 so as to connect the threaded section 24 with a pipeline or a valve body.

The end face of the hexagonal section 23 is connected with two lugs 21, the lugs 21 protrude out of the hexagonal section 23 along the axial direction of the second joint 20, the outer peripheral surface of each lug 21 is provided with a second groove 22, and the second grooves 22 of the two lugs 21 are in a concentric arc shape.

The two lugs 21 are arranged symmetrically about the axis of the second joint 20 with a gap 25 between the two lugs 21.

The processing mode of the lug 21 is as follows: a cylindrical section is reserved which forms the lug 21, on which cylindrical section a ring groove is machined, after which a part of the cylindrical section is milled radially in two opposite directions, forming a gap 25, so that the cylindrical section forms two lugs 21 spaced apart from one another.

In this embodiment, the milling locations are the upper and lower quarters along the diameter of the cylindrical section, i.e., the cylindrical sections are milled one quarter on each of the upper and lower sides.

As shown in fig. 6, the locking member includes a snap ring 30, and the snap ring 30 includes a ring body 31 and a flange 32, and the flange 32 is projected toward the inside of the ring body 31.

The snap ring 30 includes two flanges 32, and the two flanges 32 correspond to the two lugs 21 of the second connector 20, respectively.

As shown in fig. 2 and 3, when the mating segment 11 is inserted into the second connector 20, the ring 31 is snapped into the second groove 22, and the flange 32 passes through the gap 25 between the two lugs 21 and is snapped into the first groove 12.

The ring body 31 has an opening 33, the opening 33 is spaced from the two lugs 21 by the same distance, and the width of the opening 33 is smaller than the maximum length of the lug 21 in the radial direction of the second joint 20.

As shown in fig. 5, the maximum length of the lug 21 in the radial direction of the second joint 20, that is, the distance from the upper end surface to the lower end surface of the lug 21, and the width of the opening 33 is smaller than the distance from the upper end surface to the lower end surface of the lug 21 in the normal state of the snap ring 30.

As shown in fig. 3, when the ring 31 of the snap ring 30 is snapped into the second groove 22 and the flange 32 is snapped into the first groove 12, the ring 31 forming the two ends of the opening 33 clasps one of the lugs 21, thereby preventing the snap ring 30 from being loosened.

The snap ring 30 is made of metal material and has certain elasticity, and when the flange 32 is sleeved in the first groove body 12, the snap ring 30 needs to be opened so as to avoid the lug 21.

In other embodiments, the retainer ring 30 can be made of other materials with elasticity, such as plastic and plastic.

The angle between the centre of the opening 33 and the centre of the flange 32 is 90 degrees. The arc range of the opening 33 is less than or equal to 30 degrees.

As shown in fig. 6, the edge of the flange 32 on the side close to the opening 33 is inclined, so that the flange 32 has an irregular shape, which facilitates the flange 32 to escape from the lug 21 of the second joint 20.

The snap ring 30 fixes the first joint 10 and the second joint 20 in the axial direction of the second joint 20.

Referring to fig. 1 and 2, the first joint 10 includes a bent pipe section, which is 90 degrees.

By adopting the connection mode of the invention, the joint device can realize quick connection and quick disassembly, the rotation between the first joint 10 and the second joint 20 is not limited by the snap ring 30, namely the first joint 10 can rotate by taking the axis of the second joint 20 as the axis and is connected with the second joint 20 at any angle, and the bent pipe sections can face to a plurality of directions, thereby further improving the flexibility of pipeline connection.

The coupling device of the present invention is suitable for use in a variety of lines including gas lines and liquid lines, with particular application to gas lines.

In a second embodiment, which is not shown in the drawings, the mating section of the first connector is inserted into the bore of the second connector, thereby communicating the first connector and the second connector. And a sealing ring is arranged on the matching section of the first joint so as to realize the sealing between the first joint and the second joint. Two first groove bodies are arranged behind the matching section, and the first groove bodies are annular grooves.

The second joint comprises a body, two lugs are connected to the end face of the body, the lugs protrude out of the hexagonal section along the axial direction of the second joint, a second groove body is formed in the inner circumferential surface of each lug, and the second groove bodies of the two lugs are in a concentric arc shape. The two lugs are arranged symmetrically around the axis of the second joint with a gap between them.

The locking piece includes the snap ring, and the snap ring is annular elastic construction, and one side has the opening for the snap ring can change the size of external diameter elastically.

In the installation process, firstly, the clamping ring is sleeved in the first groove body; then the clamping ring is pinched, so that the diameter of the clamping ring is reduced; inserting the matching section of the first joint into the second joint, wherein the positions of the first groove body and the second groove body correspond to each other; loosen the snap ring for the snap ring kick-backs, resumes original diameter, and the outside card of snap ring this moment is gone into in the second cell body, thereby fixed first joint and second connect.

In a third embodiment, not shown in the drawings, the mating section of the first connector is inserted into the bore of the second connector, thereby communicating the first and second connectors. And a sealing ring is arranged on the matching section of the first joint so as to realize the sealing between the first joint and the second joint. Two first cell bodies are seted up to the rear of cooperation section, and first cell body is the arc wall, and two arc walls set up symmetrically.

The second joint comprises a body, two lugs are connected to the end face of the body, the lugs protrude out of the hexagonal section along the axial direction of the second joint, a second groove body is formed in the outer peripheral face of each lug, and the second groove bodies of the two lugs are in a concentric arc shape. The two lugs are arranged symmetrically with respect to the axis of the second joint, and a gap is formed between the two lugs.

The locking piece includes two U-shaped inserted sheets, and two U-shaped inserted sheets are inserted in first cell body and the second cell body from the direction of two lugs respectively, and the tip interconnect of two U-shaped inserted sheets to connect first joint and second and connect.

The invention also provides a pipeline structure, which comprises a first pipeline, a second pipeline and the joint device, wherein the first joint 10 of the joint device is connected with the first pipeline, and the second joint 20 of the joint device is connected with the second pipeline; the first joint 10 and the second joint 20 can be connected to communicate the first pipe and the second pipe, and the first joint 10 and the second joint 20 can be separated to disconnect the first pipe and the second pipe.

The pipeline structure adopting the joint device can realize quick connection and quick disassembly, so that a worker can conveniently and quickly change the pipeline structure, dismantle the original connecting mechanism and construct a new connecting structure according to actual needs, and the pipeline structure has high flexibility so as to meet the use requirement.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. A connector device, comprising a first connector (10), a second connector (20) and a locking member; the first joint (10) comprises a matching section (11) and a first connecting part, the matching section (11) can be inserted into the second joint (20), and the first connecting part is arranged on one side of the matching section (11) far away from the end part of the first joint (10); the second joint (20) comprises a second connection portion located at an end of the second joint (20); -said locking element being able to connect said first and second connection portions to lock said first and second connectors (10, 20) when said mating segment (11) is inserted into said second connector (20); the first connecting part comprises a first groove body (12) arranged on the first joint (10), and the second connecting part comprises a second groove body (22) arranged on the second joint (20); the locking member comprises a snap ring (30), the snap ring (30) comprises a ring body (31) and a flange (32), and the flange (32) is protruded towards the inner part of the ring body (31); when the matching section (11) is inserted into the second joint (20), the ring body (31) is clamped into the second groove body (22), and the flange (32) is clamped into the first groove body (12); when the fitting section (11) is inserted into the second joint (20), the position of the first groove body (12) and the position of the second groove body (22) are overlapped in the axial direction of the second joint (20); the second joint (20) comprises a body and lugs (21), the lugs (21) are connected with the end face of the body and protrude out of the body, second grooves (22) are formed in the lugs (21), the second grooves (22) are formed in the outer peripheral face of the lugs (21), the second joint (20) comprises two lugs (21), and the two lugs (21) are arranged at intervals in the circumferential direction of the second joint (20).

2. A connector device according to claim 1, characterized in that the first groove (12) is an annular groove opening onto the outer circumference of the first connector (10).

3. A connector device according to claim 1, characterized in that, when the mating section (11) is inserted into the second connector (20), the ring (31) snaps into the second groove (22), the flange (32) passing through the gap (25) between the two lugs (21) and snapping into the first groove (12).

4. A joint arrangement according to claim 3, characterized in that the ring (31) has an opening (33) therein, the opening (33) being equidistant from both lugs (21), the width of the opening (33) being smaller than the maximum length of the lug (21) in the radial direction of the second joint (20).

5. A pipe structure, comprising a first pipe, a second pipe and a joint arrangement according to any one of claims 1 to 4, a first joint (10) of the joint arrangement being connected to the first pipe and a second joint (20) being connected to the second pipe; the first joint (10) and the second joint (20) are connectable to communicate the first and second pipes, the first joint (10) and the second joint (20) being separable to disconnect the first and second pipes.