CN216643439U

CN216643439U - Connecting assembly and pipe fitting

Info

Publication number: CN216643439U
Application number: CN202220111260.6U
Authority: CN
Inventors: 蔡军; 罗贤想; 何骙
Original assignee: Hubei Dayang Plastic Co ltd
Current assignee: Hubei Dayang Plastic Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-31
Anticipated expiration: 2032-01-17

Abstract

The embodiment of the application provides a coupling assembling and pipe fitting, coupling assembling is used for connecting first pipe fitting and second pipe fitting. The connecting assembly comprises a connecting piece, a first fixing piece and a second fixing piece. One side of the first fixing piece and one side of the second fixing piece can be connected in a relatively rotating mode, an accommodating space is formed between the first fixing piece and the second fixing piece, and the accommodating space is used for accommodating the connecting ends of the first pipe fitting and the second pipe fitting. The other side of the first fixing piece and the other side of the second fixing piece are detachably connected through a connecting piece. The coupling assembling and pipe fitting that this application embodiment provided can improve the connection efficiency and the connection stability of pipe fitting, reduce the maintenance degree of difficulty of pipe fitting.

Description

Connecting assembly and pipe fitting

Technical Field

The application relates to the technical field of pipe fitting connection, in particular to a connecting assembly and a pipe fitting.

Background

Pipe fittings have a wide variety of applications in residential, commercial or industrial types of construction, and the materials and types of pipe fittings are also varied. The pipe fitting comprises a plastic pipe fitting, a metal pipe fitting, an injection molding pipe fitting and the like, and the plastic pipe fitting is common in life. The pipe fitting is generally a straight pipe or a bent pipe, and the composite pipe fitting formed by connecting the pipe fittings of different shapes or materials is used according to different use scenes, so that the connection of the pipe fittings is very important for the application of the pipe fittings.

In the related art, the plastic pipe fittings are connected in various ways, such as direct connection through adhesive connection, hot melt connection and the like, or connection through a connecting piece, such as flange connection and the like. But the current connected mode has the installation inconvenience, and the loaded down with trivial details scheduling problem of installation process influences the connection efficiency and the connection stability of pipe fitting, and is not convenient for maintain or change the pipe fitting after the pipe fitting is connected.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a coupling assembling and pipe fitting to improve the connection efficiency and the connection stability of pipe fitting, reduce the maintenance degree of difficulty of pipe fitting. The specific technical scheme is as follows:

embodiments of a first aspect of the present application provide a connection assembly for connecting a first pipe and a second pipe, the connection assembly includes a connection member, a first fixing member, and a second fixing member. One side of the first fixing piece is connected with one side of the second fixing piece in a relatively rotatable mode, an accommodating space is formed between the first fixing piece and the second fixing piece, and the accommodating space is used for accommodating the connecting end of the first pipe fitting and the connecting end of the second pipe fitting. The other side of the first fixing piece and the other side of the second fixing piece are detachably connected through the connecting piece.

In some embodiments, the connecting piece comprises a connecting rod, one end of the connecting rod is hinged with the first fixing piece, the connecting piece further comprises a pressing groove which is arranged on the second fixing piece and matched with the connecting rod, and the connecting rod is clamped with the pressing groove; or the connecting piece comprises a connecting rod, one end of the connecting rod is hinged with the second fixing piece, the connecting piece also comprises a pressing groove which is arranged on the first fixing piece and is matched with the connecting rod, and the connecting rod is clamped with the pressing groove; the connecting piece still include with the other end of connecting rod articulates the connection handle who is connected.

In some embodiments, the connecting member further includes a first boss disposed on the first fixing member or the second fixing member, and the pressing groove is disposed on a side of the first boss away from the first fixing member or the second fixing member.

In some embodiments, the first fixing member and the second fixing member are both arc-shaped, and the opening directions of the first fixing member and the second fixing member are opposite.

In some embodiments, the connection assembly further includes a sealing ring disposed in the accommodating space, and the sealing ring is sleeved on an outer side of the connection end of the first pipe fitting and the second pipe fitting.

In some embodiments, a side of the sealing ring away from the first fixing element and the second fixing element has an annular protrusion, a gap is formed between the connecting end of the first pipe element and the connecting end of the second pipe element, and the annular protrusion is disposed in the gap.

In some embodiments, a side of the sealing ring away from the first fixing member and the second fixing member has a thread structure.

In some embodiments, a first arc-shaped groove adapted to the sealing ring is formed in one side, close to the sealing ring, of the first fixing member, a second arc-shaped groove adapted to the sealing ring is formed in one side, close to the sealing ring, of the second fixing member, and the sealing ring is arranged in the first arc-shaped groove and the second arc-shaped groove.

In some embodiments, a side surface of the first fixing part close to the connecting part is provided with a positioning block, a side surface of the second fixing part close to the connecting part is provided with a first groove matched with the positioning block, and the positioning block is placed in the first groove; or a positioning block is arranged on one side surface of the second fixing piece close to the connecting piece, a first groove matched with the positioning block is arranged on one side surface of the first fixing piece close to the connecting piece, and the positioning block is arranged in the first groove.

Embodiments of the second aspect of the present application provide a pipe fitting comprising a connection assembly as described in any one of the above.

The embodiment of the application has the following beneficial effects:

in the coupling assembling that this application embodiment provided, one side of first mounting and one side of second mounting are rotatable relatively and are connected, and the connecting piece is used for the opposite side of detachable connection first mounting and second mounting for first mounting can two pipe fittings of fixed connection with the second mounting. When the connecting assembly provided by the embodiment of the application is used for connecting two pipe fittings, the first fixing piece and the second fixing piece are sleeved on the outer sides of the connecting ends of the first pipe fitting and the second pipe fitting, and then the first fixing piece and the second fixing piece are fixedly connected relatively through the connecting piece, so that the first fixing piece and the second fixing piece can conveniently and quickly form a closed loop structure and are sleeved on the outer sides of the connecting ends of the first pipe fitting and the second pipe fitting, and the first pipe fitting and the second pipe fitting are fixedly connected. Through cup jointing first mounting and second mounting in the link of pipe fitting to two pipe fittings of fixed connection, connection stability is higher and the connection process is simple and convenient, can improve the connection efficiency of pipe fitting. In addition, first mounting and second mounting are connected to connecting piece detachable, can succinctly quick when needs maintain or change coupling assembling or first pipe fitting or second pipe fitting operate, reduce the maintenance degree of difficulty of pipe fitting.

Of course, not all advantages described above need to be achieved at the same time in the practice of any one product or method of the present application. The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.

Fig. 1 is a schematic illustration of a connection assembly of some embodiments of the present application in a disconnected configuration;

FIG. 2 is another schematic illustration of a connection assembly according to some embodiments of the present application in a disconnected configuration;

FIG. 3 is a schematic illustration of a coupling assembly of some embodiments of the present application as coupled;

FIG. 4 is another schematic illustration of a coupling assembly according to some embodiments of the present application when coupled;

FIG. 5 is a further structural schematic view of a coupling assembly of some embodiments of the present application as coupled;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a schematic illustration of a first fastener of some embodiments of the present application;

FIG. 8 is a cross-sectional view of a first fastener of some embodiments of the present application;

FIG. 9 is a schematic illustration of a second fastener of some embodiments of the present application;

FIG. 10 is a cross-sectional view of a second attachment member of some embodiments of the present application;

FIG. 11 is a schematic structural view of a connecting rod of some embodiments of the present application;

FIG. 12 is a schematic illustration of a structure of an attachment handle of some embodiments of the present application;

FIG. 13 is a schematic view of a positioning member according to some embodiments of the present application;

FIG. 14 is a schematic representation of a construction of a seal ring of some embodiments of the present application;

fig. 15 is a cross-sectional view of a seal ring of some embodiments of the present application.

Reference numerals: 20-a first fixing part, 30-a second fixing part, 40-a connecting part, 50-a first pipe fitting, 60-a second pipe fitting, 70-a sealing ring, 220-a first connecting end, 221-a first boss, 222-a first mounting hole, 223-a positioning block, 230-a second connecting end, 231-a first hinge seat, 232-a hinge joint, 240-a first arc-shaped groove, 250-a first reinforcing rib, 320-a third connecting end, 323-a first groove, 324-a pressing groove, 330-a fourth connecting end, 331-a second hinge seat, 332-a hinge hole, 340-a second arc-shaped groove, 350-a second reinforcing rib, 410-a connecting rod, 411-a second mounting hole, 420-a connecting handle, 421-a convex structure, 422-a third mounting hole, 430-positioning element, 710-annular projection, 720-thread structure.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two sets), "plural pieces" refers to two or more (including two pieces).

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the directions or positional relationships indicated in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In the related art, the pipe fittings are connected in various ways, including glue bonding, hot melt connection, socket connection of a screw gland, socket connection of a fixed gland, flange connection, groove connection and the like. Glue later stage maintenance is difficult, and easy the back of live time is longer takes place expend with heat and contract with cold the phenomenon, influences the bonding effect of pipe fitting. When adopting the hot melt to connect, take place eccentric phenomenon easily among the pipe fitting welding process to lead to welding effect not good, and the pipe fitting easily takes place the turn-ups and sticks up the limit phenomenon, form the plug flow in the pipe fitting junction, influence the drainage effect of pipe fitting. When the pipe fitting is connected by the screw gland socket, the screw thread and the rubber ring in the screw gland socket part easily expand with heat and contract with cold and slide, so that the sealing failure of the pipe fitting is caused, and the connection stability is poor. The installation steps of the fixed gland type socket joint connection are complex, chamfering processing needs to be carried out on the joint of the pipe fitting, a bad sealing ring is easily inserted in the process of socket joint connection after chamfering of the pipe fitting, and deformation easily occurs in the joint of the pipe fitting to influence the connection effect and the use effect of the pipe fitting. The groove type connection easily causes expansion with heat and contraction with cold to cause the damage of the rubber ring, and the sealing failure of the pipe fitting is caused, so that the stability of the pipe fitting connection is poor. Therefore, the connecting mode of the pipe fittings in the related technology has the defects of low connecting efficiency, poor connecting stability, high difficulty in later maintenance of the pipe fittings and the like.

In order to improve the connection efficiency and the connection stability of the pipe fitting and reduce the maintenance difficulty of the pipe fitting, the embodiment of the application provides a connection assembly and a pipe fitting, and the connection assembly and the pipe fitting provided by the application are described in detail with reference to the accompanying drawings. As shown in fig. 1, the connecting assembly is used for connecting a first pipe 50 and a second pipe 60.

In an embodiment of the first aspect of the present application, as shown in fig. 1 to 10, a connecting assembly is provided, and includes a connecting member 40, a first fixing member 20, and a second fixing member 30. One side of the first fixing member 20 is rotatably connected to one side of the second fixing member 30, and an accommodating space for accommodating the connection ends of the first pipe 50 and the second pipe 60 is formed between the first fixing member 20 and the second fixing member 30. The other side of the first fixing member 20 and the other side of the second fixing member 30 are detachably coupled by a coupling member 40.

In the embodiment of the present application, as shown in fig. 1 to 10, the first fixing member 20 and the second fixing member 30 are used to fixedly connect the first pipe 50 and the second pipe 60. The first fixing member 20 includes a first connection end 220 and a second connection end 230, the first connection end 220 is an end of the first fixing member 20 for connecting with the connection member 40, and the second connection end 230 is an end of the first fixing member 20 hinged with the second fixing member 30. The second fixing member 30 includes a third connecting end 320 and a fourth connecting end 330, the third connecting end 320 is an end of the second fixing member 30 for connecting with the connecting member 40, and the fourth connecting end 330 is an end of the first fixing member 20 hingedly connected with the second fixing member 30.

In the embodiment of the present application, as shown in fig. 1 to 5, the second connection end 230 and the fourth connection end 330 are connected in a rotatable manner, and the connection manner includes a hinge. Specifically, as shown in fig. 7 and 9, the second connecting end 230 is provided with a first hinge seat 231 and a hinge joint 232, the fourth connecting end 330 is provided with a second hinge seat 331, the second hinge seat 331 is provided with a hinge hole 332, the hinge joint 232 is inserted into the hinge hole 332 and is hinged to the hinge hole 332, so that the first hinge seat 231 and the second hinge seat 331 are hinged to each other, and the second connecting end 230 and the fourth connecting end 330 are hinged to each other. The second coupling end 230 is hinged to the fourth coupling end 330 to rotatably couple one side of the first fixing member 20 to one side of the second fixing member 30. The hinge head 232 and the hinge hole 332 are respectively disposed on the first hinge seat 231 and the second hinge seat 331, the hinge head may also be disposed on the second hinge seat 331, and the hinge hole may also be disposed on the first hinge seat 231, which is not limited in this application.

One side of the first fixing member 20 and one side of the second fixing member 30 are connected to each other in a relatively rotatable manner, so that before the connecting assembly is sleeved outside the first pipe 50 and the second pipe 60, the first connecting end 220 of the first fixing member 20 and the third connecting end 320 of the second fixing member 30 move in a direction away from each other, and an accommodating space formed between the first fixing member 20 and the second fixing member 30 is enlarged, as shown in fig. 1 and 2, so that the first fixing member 20 and the second fixing member 30 can be smoothly sleeved outside the connecting ends of the first pipe 50 and the second pipe 60. Then, the first connection end 220 and the third connection end 320 are controlled to move in the approaching direction, so as to be tightly attached to the outer sides of the connection ends of the first pipe 50 and the second pipe 60, so that the first pipe 50 and the second pipe 60 are relatively and fixedly connected through the connection assembly, as shown in fig. 3, 4 and 5, the installation complexity of the connection assembly is low, and the connection efficiency of the pipes is high.

In the embodiment of the present application, the first fixing element 20 and the second fixing element 30 may be made of PLA (Polylactic Acid), ABS (Acrylonitrile Butadiene Styrene), nylon, PC (Polycarbonate)/ABS alloy, POM (Polyoxymethylene) and the like. The first fixing member 20 and the second fixing member 30 can be manufactured by injection molding, and have the advantages of simple manufacturing process, convenient processing and low cost.

In the embodiment of the present application, as shown in fig. 1 to 5, one side of the first fixing element 20 and one side of the second fixing element 30 are rotatably connected, and the connecting element 40 is used for detachably connecting the other sides of the first fixing element 20 and the second fixing element 30, so that the first fixing element 20 and the second fixing element 30 can fixedly connect two pipe fittings. When two pipe fittings are connected through the connecting assembly provided by the embodiment of the application, the first fixing piece 20 and the second fixing piece 30 are sleeved on the outer sides of the connecting ends of the first pipe fitting 50 and the second pipe fitting 60, and then the first fixing piece 20 and the second fixing piece 30 are relatively and fixedly connected through the connecting piece 40, so that the first fixing piece 20 and the second fixing piece 30 can simply, conveniently and quickly form a closed loop structure and are sleeved on the outer sides of the connecting ends of the first pipe fitting 50 and the second pipe fitting 60, and the first pipe fitting 50 and the second pipe fitting 60 are fixedly connected. Through cup jointing first mounting 20 and second mounting 30 in the link of pipe fitting to two pipe fittings of fixed connection, connection stability is higher and the connection process is simple and convenient, can improve the connection efficiency of pipe fitting. In addition, the connecting member 40 detachably connects the first fixing member 20 and the second fixing member 30, so that when the connecting member or the first pipe 50 or the second pipe 60 needs to be repaired or replaced, the operation can be simply and quickly performed, and the difficulty in maintaining the pipes is reduced.

In some embodiments, as shown in fig. 7 and 9, the first fixing member 20 and the second fixing member 30 are both arc-shaped, and the opening directions of the first fixing member 20 and the second fixing member 30 are opposite.

In the embodiment of the present application, as shown in fig. 1 to 6, the pipe is mostly cylindrical with different diameters, and the first fixing element 20 and the second fixing element 30 are set to be arc-shaped, so that the first fixing element 20 and the second fixing element 30 can be more attached to the shape of the pipe. Further, as shown in fig. 2 and 4, the connection end of the first pipe 50 and the second pipe 60 is mostly cylindrical, and based on this, the opening directions of the first fixing member 20 and the second fixing member 30 which are circular arc-shaped are opposite, so that the first fixing member 20 and the second fixing member 30 can form an accommodating space for attaching the connection end, and the connection end of the first pipe 50 and the second pipe 60 is accommodated, thereby further improving the connection tightness between the connection assembly and the pipe, and improving the connection stability of the pipe. In the implementation of the present application, the first fixing member 20 and the second fixing member 30 may also have other shapes, and the shapes and sizes of the first fixing member 20 and the second fixing member 30 may be set according to the shapes and pipe diameters of the first pipe 50 or the second pipe 60, which is not limited in the present application.

Further, as shown in fig. 7 and 9, a first reinforcing rib 250 is provided on a side of the first fixing member 20 away from the first and

second pipe members

50 and 60, and a second reinforcing rib 350 is provided on a side of the second fixing member 30 away from the first and

second pipe members

50 and 60. The first reinforcing ribs 250 serve to improve rigidity and strength of the first fixing member 20, and the second reinforcing ribs 350 serve to improve rigidity and strength of the second fixing member 30, improving connection stability of the connecting assembly. As shown in fig. 7 and 9, when the first and

second fixtures

20 and 30 have a circular arc shape, the first and

second beads

250 and 350 may have a circular arc shape. The shape of the first and second reinforcing

ribs

250 and 350 may be set according to the shape of the first and

second pipe members

50 and 60, which is not limited in the present application. In addition, the first reinforcing rib 250 may also extend to the first connecting end 220 and the second connecting end 230, and the second reinforcing rib 350 may also extend to the third connecting end 320 and the fourth connecting end 330, which is not specifically limited in this application.

In some embodiments, as shown in fig. 1 to 5, the connecting member 40 includes a connecting rod 410, one end of the connecting rod 410 is hinged to the first fixing member 20, the connecting member 40 further includes a pressing groove 324 disposed on the second fixing member 30 and matching with the connecting rod 410, and the connecting rod 410 is clamped with the pressing groove 324; or the connecting piece 40 comprises a connecting rod 410, one end of the connecting rod 410 is hinged with the second fixing piece 30, the connecting piece 40 further comprises a pressing groove 324 which is arranged on the first fixing piece 20 and matched with the connecting rod 410, and the connecting rod 410 is clamped with the pressing groove 324; the link 40 further includes a link handle 420 hingedly connected to the other end of the link bar 410.

In this embodiment, as shown in fig. 1 to 5, one end of the connecting rod 410 may be hinged to the first connecting end 220 or the third connecting end 320, and correspondingly, the pressing groove 324 may be disposed on the third connecting end 320 or the first connecting end 220, and the other end of the connecting member 40 is clamped to the pressing groove 324, so as to connect the first fixing member 20 and the second fixing member 30.

Specifically, as shown in fig. 7, taking an example that one end of the connecting member 40 is hinged to the first connecting end 220, the first connecting end 220 is provided with a first mounting hole 222, as shown in fig. 11, one end of the connecting rod 410 is provided with a second mounting hole 411, and the first mounting hole 222 and the second mounting hole 411 are hinged to each other through a positioning member 430. As shown in fig. 13, the positioning member 430 includes, but is not limited to, a positioning pin, a positioning bolt, and the like. The third connecting end 320 of the second fixing member 30 is provided with a pressing groove 324 matched with the connecting rod 410, and the connecting rod 410 is clamped with the pressing groove 324. In addition, the first connection end 220 and the connection rod 410 may be connected by a hinge seat, specifically, the first connection end 220 and the connection rod 410 are both provided with a hinge seat, and the hinge seat is provided with a hinge joint or a hinge hole, and the hinge joint is matched with the hinge hole, so that the first connection end 220 and the connection rod 410 are hinged, and the first fixing member 20 and the connection member 40 are hinged. The first connection end 220 and the connection rod 410 may be hinged by other means, which is not limited in the present application.

In the embodiment of the present application, as shown in fig. 1, fig. 2, and fig. 12, the connection handle 420 is hinged to the other end of the connection rod 410, and the connection handle 420 can be used to conveniently clamp one end of the connection rod 410 into the pressing groove 324 or pull one end of the connection rod 410 out of the pressing groove 324, so as to further simplify the connection process between the connection assembly and the pipe, facilitate the connection between the first fixing member 20 and the second fixing member 30 and the connection ends of the first pipe 50 and the second pipe 60, and improve the connection efficiency of the connection assembly.

The connection handle 420 may have a circular arc shape, and accordingly, when the first fixing member 20 is connected to the second fixing member 30, the connection handle 420 may be pressed against the outside of the first fixing member 20 or the second fixing member 30 to reinforce the first fixing member 20 or the second fixing member 30.

The connection handle 420 may be an eccentric handle, that is, one side of the connection handle 420 close to the connection rod 410 may be provided with a protrusion 421, so that the connection handle 420 is better clamped with the first fixing member 20 or the second fixing member 30, thereby improving the connection tightness of the first fixing member 20 and the second fixing member 30 and improving the connection stability of the connection assembly.

In the embodiment of the present application, as shown in fig. 12, a third mounting hole 422 is disposed on a side of the connection handle 420 close to the connection rod 410, a second mounting hole 411 is disposed at an end of the connection rod 410, which is used for being connected to the connection handle 420, and the third mounting hole 422 and the second mounting hole 411 may be hingedly connected by a positioning member 430, so as to hingedly connect the connection rod 410 and the connection handle 420. Correspondingly, the connecting rod 410 and the connecting handle 420 may be hinged by a hinge seat, a hinge head and a hinge hole, which is not limited in this application.

In the embodiment of the present application, as shown in fig. 1 and fig. 2, the pressing groove 324 is matched with the connecting rod 410 in a pressing manner, so that the first connecting end 220 and the third connecting end 320 can be quickly connected, and thus the first fixing element 20 and the second fixing element 30 can be quickly connected, thereby further reducing the connection difficulty and the connection complexity and improving the connection efficiency. When the connecting assembly or the first pipe fitting 50 or the second pipe fitting 60 needs to be repaired or replaced, the operation can be simply and quickly carried out, so that the connecting member 40 can be detachably connected with the first fixing member 20 and the second fixing member 30, and the maintenance difficulty of the pipe fittings is reduced.

In some embodiments, as shown in fig. 7 and 9, the connection member 40 further includes a first protrusion 221 disposed on the first fixing member 20 or the second fixing member 30, and the pressing groove 324 is disposed on a side of the first protrusion 221 away from the first fixing member 20 or the second fixing member 30.

In the embodiment of the present application, as shown in fig. 7 and 8, when the thickness of the first fixing member 20 or the second fixing member 30 does not satisfy the connection requirement, the first protrusion 221 may be disposed on the first connection end 220 or the third connection end 320, and the pressing groove 324 may be disposed on the first protrusion 221, so that the pressing groove 324 has a deeper thickness to accommodate the connection rod 410, increase the contact area between the connection rod 410 and the pressing groove 324, and increase the connection stability.

In some embodiments, as shown in fig. 14 and 15, the connection assembly further includes a sealing ring 70, the sealing ring 70 is disposed in the accommodating space, and the sealing ring 70 is sleeved outside the connection ends of the first pipe element 50 and the second pipe element 60.

In the embodiment of the present application, the sealing ring 70 is disposed between the connecting assembly and the pipe, specifically, the sealing ring 70 is sleeved on the outer side of the pipe and is located at the connecting end of the first pipe 50 and the second pipe 60. The packing 70 is used to improve airtightness between the first pipe 50 and the second pipe 60, and to improve the connection efficiency and connection stability of the pipes. The material of the sealing ring 70 includes plastic or rubber, etc., which have good air tightness, and the shape and size of the sealing ring 70 can be set according to the shape and pipe diameter of the first pipe 50 or the second pipe 60, which is not limited in this application.

In some embodiments, as shown in fig. 14 and 15, the side of the sealing ring 70 away from the first fixing member 20 and the second fixing member 30 has an annular protrusion 710, a gap is formed between the connecting end of the first pipe 50 and the connecting end of the second pipe 60, and the annular protrusion 710 is disposed in the gap.

In the embodiment of the present application, as shown in fig. 6, 14 and 15, the annular protrusion 710 provided on the sealing ring 70 is disposed in the gap between the connecting end of the first pipe 50 and the connecting end of the second pipe 60, so that the connection tightness and safety of the first pipe 50 and the second pipe 60 can be further improved. The annular protrusion 710 may also be used to compensate for local irregularities at the connection end of the first pipe element 50 or the second pipe element 60, so that the first pipe element 50 and the second pipe element 60 are more stably connected. In addition, the annular protrusion 710 can also be used for a limiting structure, so that the probability that the sealing ring 70 slides along the extending direction of the first pipe element 50 or the second pipe element 60 is reduced, and the connection stability of the pipe elements is improved. Specifically, as shown in fig. 15, the annular protrusion 710 may be a rectangular protrusion.

In some embodiments, as shown in fig. 14 and 15, the side of the sealing ring 70 away from the first fixing member 20 and the second fixing member 30 has a thread structure 720.

In the embodiment of the present application, as shown in fig. 14 and 15, the thread structures 720 are disposed on two sides of the annular protrusion 710, and are respectively in contact with the connecting ends of the first pipe 50 and the second pipe 60, so as to improve the friction between the sealing ring 70 and the connecting ends of the first pipe 50 and the second pipe 60, thereby reducing the probability that the sealing ring 70 slides or falls off along the extending direction of the first pipe 50 or the second pipe 60, improving the connection tightness between the sealing ring 70 and the first pipe 50 or the second pipe 60, and improving the connection stability of the pipes.

In some embodiments, as shown in fig. 7 to 10, a first arc-shaped groove 240 adapted to the sealing ring 70 is disposed on a side of the first fixing member 20 close to the sealing ring 70, a second arc-shaped groove 340 adapted to the sealing ring 70 is disposed on a side of the second fixing member 30 close to the sealing ring 70, and the sealing ring 70 is disposed in the first arc-shaped groove 240 and the second arc-shaped groove 340.

In the embodiment of the present application, as shown in fig. 7 and 9, the first arc-shaped groove 240 and the second arc-shaped groove 340 are used for providing a receiving space for the sealing ring 70, so that the volume of the connecting assembly can be reduced, and the connecting assembly can be mounted conveniently. The first fixing member 20 and the second fixing member 30 can further fix the connection ends of the sealing ring 70 and the first pipe 50 and the second pipe 60, and the probability that the sealing ring 70 slides or falls off along the extending direction of the first pipe 50 or the second pipe 60 is reduced. First mounting 20 and second mounting 30 cup joint in the sealing washer 70 outside, can further protect sealing washer 70, reduce the probability that sealing washer 70 produced expend with heat and contract with cold phenomenon to improve pipe connection stability, reduce the maintenance degree of difficulty of pipe fitting. Specifically, the depth of the first arc-shaped groove 240 and the second arc-shaped groove 340 may be 2mm to 5mm, and may be set according to the thickness of the sealing ring 70, which is not limited in this application.

In some embodiments, as shown in fig. 7 and 9, a positioning block 223 is disposed on a side surface of the first fixing member 20 close to the connecting member 40, a first groove 323 matching with the positioning block 223 is disposed on a side surface of the second fixing member 30 close to the connecting member 40, and the positioning block 223 is disposed in the first groove 323; or a positioning block is arranged on one side surface of the second fixing member 30 close to the connecting member 40, a first groove matched with the positioning block is arranged on one side surface of the first fixing member 20 close to the connecting member 40, and the positioning block is arranged in the first groove.

In the embodiment of the present application, as shown in fig. 7 and 9, the positioning block 223 is disposed in the first groove 323, that is, the positioning block 223 is clamped with the first groove 323, so that when the first fixing member 20 is fixedly connected with the second fixing member 30, the probability of looseness or displacement between the first fixing member 20 and the second fixing member 30 is reduced. Specifically, the probability that the piece between the first connecting end 220 and the third connecting end 320 is loosened or displaced is reduced, and the connecting stability of the pipe fitting is improved. As shown in fig. 7, when the positioning block 223 is disposed on the first connection end 220 of the first fixing element 20, the first groove 323 may be disposed on the third connection end 320 of the second fixing element 30, as shown in fig. 9. When the positioning block is disposed on the third connecting end 320 of the second fixing element 30, the first groove may be disposed on the first connecting end 220 of the first fixing element 20. The positioning block 223 and the first groove 323 are correspondingly disposed, which is not limited in this application. Correspondingly, the second connecting end 230 or the fourth connecting end 330 may also be correspondingly provided with a positioning block and a groove structure, so as to further improve the connection efficiency and connection stability of the first fixing element 20 and the second fixing element 30.

Embodiments of the second aspect of the present application provide a pipe fitting comprising a connection assembly as described in any one of the above. Wherein the coupling assembly is used for coupling a plurality of pipe elements or for coupling parts of one pipe element. The pipe fitting may be a two-way pipe, a three-way pipe, etc., and the present application is not particularly limited thereto.

In the connection assembly included in the pipe fitting provided in the embodiment of the present application, one side of the first fixing member 20 and one side of the second fixing member 30 are connected to each other in a relatively rotatable manner, and the connection member 40 is used for detachably connecting the other sides of the first fixing member 20 and the second fixing member 30, so that the first fixing member 20 and the second fixing member 30 can be fixedly connected to two pipe fittings. When two pipe fittings are connected by the connecting assembly provided by the embodiment of the application, the first fixing member 20 and the second fixing member 30 are sleeved on the outer sides of the connecting ends of the first pipe fitting 50 and the second pipe fitting 60, and then the first fixing member 20 and the second fixing member 30 are relatively fixedly connected by the connecting member 40, so that the first fixing member 20 and the second fixing member 30 can simply, conveniently and quickly form a closed loop structure and are sleeved on the outer sides of the connecting ends of the first pipe fitting 50 and the second pipe fitting 60, and the first pipe fitting 50 and the second pipe fitting 60 are fixedly connected. Through cup jointing first mounting 20 and second mounting 30 in the link of pipe fitting to two pipe fittings of fixed connection, connection stability is higher and the connection process is simple and convenient, can improve the connection efficiency of pipe fitting. In addition, the connecting member 40 detachably connects the first fixing member 20 and the second fixing member 30, so that when the connecting member or the first pipe 50 or the second pipe 60 needs to be repaired or replaced, the operation can be simply and quickly performed, and the difficulty in maintaining the pipes is reduced.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill 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; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.

Claims

1. A coupling assembling for connecting first pipe fitting and second pipe fitting, its characterized in that includes:

the pipe fitting comprises a first fixing piece and a second fixing piece, wherein one side of the first fixing piece is connected with one side of the second fixing piece in a relatively rotating mode, an accommodating space is formed between the first fixing piece and the second fixing piece, and the accommodating space is used for accommodating a connecting end of a first pipe fitting and a connecting end of a second pipe fitting;

and the other side of the first fixing piece and the other side of the second fixing piece are detachably connected through the connecting piece.

2. The connecting assembly according to claim 1, wherein the connecting member comprises a connecting rod, one end of the connecting rod is hinged to the first fixing member, the connecting member further comprises a pressing groove which is arranged on the second fixing member and matched with the connecting rod, and the connecting rod is clamped with the pressing groove; or

The connecting piece comprises a connecting rod, one end of the connecting rod is hinged with the second fixing piece, the connecting piece also comprises a pressing groove which is arranged on the first fixing piece and is matched with the connecting rod, and the connecting rod is clamped with the pressing groove;

the connecting piece still include with the other end of connecting rod articulates the connection handle who is connected.

3. The connecting assembly of claim 2, wherein the connecting member further comprises a first boss disposed on the first fixing member or the second fixing member, and the pressing groove is disposed on a side of the first boss away from the first fixing member or the second fixing member.

4. The connecting assembly according to claim 1, wherein the first and second fixing members are circular arc-shaped, and the opening directions of the first and second fixing members are opposite.

5. The connecting assembly according to claim 1, further comprising a sealing ring disposed in the accommodating space, wherein the sealing ring is sleeved outside the connecting ends of the first pipe fitting and the second pipe fitting.

6. The coupling assembly of claim 5, wherein a side of the seal ring remote from the first and second retaining members has an annular protrusion, and a gap is provided between the connecting end of the first tube and the connecting end of the second tube, and the annular protrusion is disposed in the gap.

7. The connection assembly according to claim 5, wherein a side of the seal ring remote from the first and second fixtures has a threaded configuration.

8. The connecting assembly according to claim 5, wherein a first arc-shaped groove matched with the sealing ring is formed in one side, close to the sealing ring, of the first fixing piece, a second arc-shaped groove matched with the sealing ring is formed in one side, close to the sealing ring, of the second fixing piece, and the sealing ring is arranged in the first arc-shaped groove and the second arc-shaped groove.

9. The connecting assembly according to claim 1, wherein a side surface of the first fixing member adjacent to the connecting member has a positioning block, a side surface of the second fixing member adjacent to the connecting member has a first groove matched with the positioning block, and the positioning block is disposed in the first groove; or

The positioning block is arranged on one side surface, close to the connecting piece, of the second fixing piece, the first groove matched with the positioning block is arranged on one side surface, close to the connecting piece, of the first fixing piece, and the positioning block is arranged in the first groove.

10. A pipe fitting, characterized by comprising a connection assembly according to any one of claims 1 to 9.