CN216789496U - Pipeline socket joint formula connecting piece - Google Patents

Abstract

The embodiment of the application provides a pipeline socket type connecting piece. The pipeline socket type connecting piece comprises a socket connecting body, a to-be-connected pipe, a connecting assembly and a sealing assembly. Wherein, the end of the socket connector is provided with a connecting part. The to-be-connected pipe is connected with the socket connector in an inserting mode, and an accommodating cavity is formed between the inner wall of the connecting part and the outer wall of the to-be-connected pipe. The connecting assembly comprises a first main body part and a second main body part, one end of the second main body part is hinged to one end of the first main body part, the other end of the second main body part is connected with the other end of the first main body part in a detachable mode, a groove clamping part matched with the outer wall of the connecting part is formed on the inner walls of the first main body part and the second main body part, and the connecting part is sleeved with the groove clamping part. The sealing assembly is arranged in the accommodating cavity, one side of the groove clamping portion is tightly abutted to the sealing assembly, and the other side of the groove clamping portion is tightly abutted to the connecting portion so as to fix the sealing assembly in the accommodating cavity.

Description

Pipeline socket joint formula connecting piece

Technical Field

The application relates to the technical field of pipelines, in particular to a pipeline socket joint type connecting piece.

Background

This section provides background information related to the present application and is not necessarily prior art.

The indoor drainage pipeline is various in types, common drainage pipes comprise HDPE (high-density polyethylene) pipes, PVC (polyvinyl chloride) pipes, PP (polypropylene) pipes, PP/PE (polypropylene/polyethylene) silent pipes and the like, the connection modes are also various, for example, hot melt connection or socket type connection, in the related art, when socket type connection is adopted, a screw gland or flange type socket connection is generally adopted, and as a plurality of bolts are usually arranged, the disassembly and assembly are complicated, the installation efficiency is low, and the problem that how to improve the disassembly and assembly efficiency of the socket type pipeline needs to be considered at present is solved.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a pipeline socket type connecting piece so as to improve the installation efficiency of a socket type pipeline. In order to achieve the above purpose, the present application provides the following technical solutions:

the embodiment of the application provides a pipeline socket type connecting piece. The pipeline socket type connecting piece comprises a socket connecting body, a to-be-connected pipe, a connecting assembly and a sealing assembly. Wherein, the end of the socket connector is provided with a connecting part. The to-be-connected pipe is connected with the socket connector in an inserting mode, and an accommodating cavity is formed between the inner wall of the connecting part and the outer wall of the to-be-connected pipe. The connecting assembly comprises a first main body part and a second main body part, one end of the second main body part is hinged to one end of the first main body part, the other end of the second main body part is connected with the other end of the first main body part in a detachable mode, a groove clamping part matched with the outer wall of the connecting part is formed on the inner walls of the first main body part and the second main body part, and the connecting part is sleeved with the groove clamping part. The sealing assembly is arranged in the accommodating cavity, one side of the groove clamping portion is tightly abutted to the sealing assembly, and the other side of the groove clamping portion is tightly abutted to the connecting portion so as to fix the sealing assembly in the accommodating cavity.

According to a pipeline socket type connecting piece in the embodiment of the application, the connecting pipe is connected with the socket connector in a plug-in mode, the sealing assembly is arranged in the accommodating groove formed between the connecting pipe and the socket connector, in the installation process, the sealing assembly only needs to be placed in the accommodating groove, the connecting assembly is sleeved on the connecting portion of the socket connector, one side of the groove clamping portion is enabled to be tightly abutted against the sealing assembly, the other side of the groove clamping portion is tightly abutted against the connecting portion, and therefore the sealing assembly can be fixed in the accommodating cavity. Pipeline socket joint formula connecting piece in this embodiment, after will treating the connecting pipe and peg graft the socket joint connector, through placing seal assembly in connecting portion and the intracavity that holds that treats to form between the connecting pipe, and establish coupling assembling cover in connecting portion and seal assembly's outside, make coupling assembling's recess compress tightly the portion respectively with connecting portion and seal assembly looks butt, in order to fix seal assembly in holding the intracavity, from this just can form good sealing, and, because the one end of first main part and second main part is articulated, when installation coupling assembling, only need to install the other one end of first main part in the other one end of second main part and can accomplish the installation, from this just can improve the installation effectiveness of pipeline socket joint formula connecting piece.

In addition, according to the embodiment of the application, the following additional technical features can be provided:

in some embodiments of the present application, the socket connector includes a first connector and a second connector, an inner diameter of the first connector is greater than an inner diameter of the second connector, an outer wall of the pipe to be connected is connected with an inner wall of the second connector in a transition fit manner, the inner wall of the first connector and the outer wall of the pipe to be connected form the accommodating cavity, and the connecting portion is formed on the first connector.

In some embodiments of the present application, the socket connector further includes a third connector, the third connector is disposed on a side of the second connector away from the first connector, and an inner diameter of the third connector is smaller than an inner diameter of the second connector, and the inner diameter of the third connector is the same as the inner diameter of the pipe to be connected.

In some embodiments of the present application, an included angle is formed between an inner wall of the second connecting body and an axial direction of the second connecting body, and an inner diameter of the second connecting body close to the first connecting body is larger than an inner diameter of the second connecting body close to the third connecting body.

In some embodiments of this application, coupling assembling still includes articulated elements and retaining member, the one end of articulated elements with first main part is articulated, the other end of articulated elements with the retaining member is articulated, the retaining member is kept away from the one end of articulated elements with the mode of joint with the second main part is connected.

In some embodiments of this application, the retaining member is provided with the arc and compresses tightly the face, be provided with on the second main part with the locking of retaining member looks adaptation detains the seat, locking detain the seat be provided with the arc contact surface that the arc compressed tightly face looks adaptation, work as the arc compress tightly the face with the contact of arc contact surface just the retaining member winds when the articulated elements rotates, first main part with the second main part compresses tightly gradually or releases.

In some embodiments of this application, seal assembly includes sealing ring and clamp ring, one side of sealing ring with the terminal surface of first connector closely laminates, the other one side of sealing ring with treat that the connecting pipe closely laminates, one side of sealing ring again with the clamp ring closely laminates.

In some embodiments of this application, one side of clamp ring with treat that the connecting pipe closely laminates, the other one side of clamp ring with the inner wall of first connector closely laminates, there is the binding face that one side set up for the slope again of clamp ring, the inner wall of recess clamping part with the binding face closely laminates, in order to incite somebody to action seal assembly fixes hold the intracavity.

In some embodiments of the present application, a contact portion of the compression ring and the outer wall of the pipe to be connected is provided with a tooth-shaped protrusion.

In some embodiments of the present application, the material of the compression ring is one of formaldehyde resin, ABS resin, polycarbonate alloy plastic, nylon material, or phenolic resin.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Like reference numerals refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic structural view of a pipe socket connector according to an embodiment of the present application (when the connector assembly is not fastened);

FIG. 2 is a schematic structural view of a pipe socket connector according to an embodiment of the present application (when the connector assembly is fastened);

FIG. 3 is a schematic structural diagram of a female pipe connector according to an embodiment of the present disclosure (without a connecting member);

FIG. 4 is a schematic structural diagram of a socket connector of a pipe socket connector according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a connection assembly of a pipe socket connector according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a connecting assembly of a pipe socket connector according to an embodiment of the present application (when the connecting assembly is unfolded);

FIG. 7 is a top view of a coupling assembly of a pipe socket coupling in an embodiment of the present application;

FIG. 8 is a cross-sectional view of a first body portion of a connection assembly of a pipe socket connector in an embodiment of the present application;

FIG. 9 is a cross-sectional view of a hinge member of a pipe socket connector in an embodiment of the present application;

FIG. 10 is a schematic view of the locking member of the female coupling member for a pipe in the embodiment of the present application;

FIG. 11 is a cross-sectional view of a seal ring of a pipe socket connector in an embodiment of the present application;

FIG. 12 is a cross-sectional view of a clamp ring of a female coupling for pipes according to an embodiment of the present application;

fig. 13 is a partial enlarged view at M in fig. 12.

The reference symbols in the drawings denote the following:

100-a socket connector; 110 — a first connector; 111-a connecting portion; 120 — a second linker; 121 — transition region; 130 — a third linker; 140-a containment chamber;

200-a pipe to be connected;

300-a connecting assembly; 310 — a first body portion; 311 — a first via; 312 — a second via; 320 — a second body portion; 321-locking fastener seats; 322-arc contact surface; 330-groove clamping part; 331-inclined surface; 340-a hinge; 341-third via; 342 — a fourth via; 350-locking member; 351-arc pressing surface; 352-fifth through hole; 361 — a first pin; 362-second pin; 363-a third pin;

400-a seal assembly; 410-a sealing ring; 411 — first side; 412 — a second face; 413 — a third surface; 420-a compression ring; 421 — a first side; 422 — a second side; 423 — third side; 424-tooth-shaped protrusions.

Detailed Description

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is also obvious for a person skilled in the art to obtain other embodiments according to the drawings.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.

As shown in fig. 1 to 3, the present embodiment proposes a pipe socket connector. The pipe socket joint includes a socket joint body 100, a pipe to be coupled 200, a coupling assembly 300, and a sealing assembly 400. Wherein, the end of the socket connector 100 is provided with a connection part 111. The pipe 200 to be connected is connected to the female connector 100 in a plug-in manner, and the inner wall of the connection portion 111 and the outer wall of the pipe 200 to be connected form a receiving cavity 140. The connecting assembly 300 includes a first main body portion 310 and a second main body portion 320, one end of the second main body portion 320 is hinged to one end of the first main body portion 310, the other end of the second main body portion 320 is detachably connected to the other end of the first main body portion 310, a groove clamping portion 330 matched with the outer wall of the connecting portion 111 is formed on the inner walls of the first main body portion 310 and the second main body portion 320, and the connecting portion 111 is sleeved with the groove clamping portion 330. The sealing assembly 400 is disposed in the accommodating chamber 140, and one side of the groove clamping portion 330 is tightly abutted against the sealing assembly 400, and the other side of the groove clamping portion 330 is tightly abutted against the connecting portion 111, so as to fix the sealing assembly 400 in the accommodating chamber 140.

According to the pipe socket type connecting piece in the embodiment of the application, the connecting pipe 200 is connected with the socket connecting body 100 in a socket manner, the sealing assembly 400 is arranged in the accommodating groove formed between the connecting pipe 200 and the socket connecting body 100, in the installation process, the sealing assembly 400 is only required to be placed in the accommodating groove, the connecting part 111 of the socket connecting body 100 is sleeved with the connecting assembly 300, one side of the groove clamping part 330 is tightly abutted to the sealing assembly 400, and the other side of the groove clamping part 330 is tightly abutted to the connecting part 111, so that the sealing assembly 400 can be fixed in the accommodating cavity 140. In the pipe socket connector in this embodiment, after the pipe to be connected 200 is inserted into the socket connector 100, the sealing assembly 400 is placed in the accommodating cavity 140 formed between the connecting portion 111 and the pipe to be connected 200, and the connecting assembly 300 is sleeved outside the connecting portion 111 and the sealing assembly 400, so that the groove pressing portions of the connecting assembly 300 are respectively abutted against the connecting portion 111 and the sealing assembly 400, so as to fix the sealing assembly 400 in the accommodating cavity 140, thereby forming a good seal, and since one end of the first main body portion 310 is hinged to one end of the second main body portion 320, when the connecting assembly 300 is installed, the installation can be completed only by installing the other end of the first main body portion 310 at the other end of the second main body portion 320, thereby improving the installation efficiency of the pipe socket connector.

As shown in fig. 4, in some embodiments of the present application, the female connector 100 includes a first connector 110 and a second connector 120, an inner diameter of the first connector 110 is greater than an inner diameter of the second connector 120, an outer wall of the pipe 200 to be connected is coupled to an inner wall of the second connector 120 in a transition fit manner, an inner wall of the first connector 110 and an outer wall of the pipe 200 to be connected form a receiving cavity 140, and a connection portion 111 is formed on the first connector 110. In this embodiment, the inner diameter of the second connecting body 120 may be slightly larger than the outer diameter of the pipe 200 to be connected, thus, the pipe 200 to be connected can be inserted into the second connecting body 120 and connected in a transition fit manner, since the inner diameter of the first connection body 110 is greater than that of the second connection body 120, when the connection pipe 200 is inserted into the second connection body 120, the outer wall of the pipe 200 to be connected and the inner wall of the first coupling body 110 can form the receiving cavity 140, in a specific embodiment, the sealing assembly 400 is placed in the receiving cavity 140, and the outer wall of the first connection body 110 is formed with the connection portion 111, specifically, the connecting portion 111 may be of a slightly inclined ramp design, and one side of the groove clamping portion 330 may be adapted to the ramp design of the connecting portion 111, such that, the ramp design may guide the groove clamping portion 330 to gradually compress the seal assembly 400 such that the seal assembly 400 fits tightly within the receiving cavity 140 when the groove clamping portion 330 is installed at the connection portion 111.

In some embodiments, referring to fig. 2 and 8, the two ends of the groove clamping portion 330 are provided with an inclined surface 331, the connecting portion 111 can be designed as an inclined surface adapted to the inclined surface 331, and one side of the sealing component 400 can also be designed as an inclined surface adapted to the inclined surface 331, and in some embodiments, the inclined surface has an angle of 100 ° to 105 ° with respect to the bottom of the groove clamping portion 330, so that when the connecting component 300 is sleeved on the connecting portion 111 and the sealing component 400, the inclined surface 331 can serve as a guiding surface capable of guiding the connecting component 300 to tightly abut the sealing component 400 in the accommodating cavity 140. In some specific embodiments, the inclined angles of the inclined surfaces 331 at the two ends of the groove clamping portion 330 may be the same, so that the left and right sides can be interchanged when the connection assembly 300 is installed, and the inclined angles of the inclined surfaces 331 at the two ends of the groove clamping portion 330 may also be different, so that the installation of the connection assembly 300 has uniqueness.

In some specific embodiments, the inner wall of the first connecting body 110 may have an angle of 3 ° to 6 ° with respect to the axial direction of the first connecting body 110, that is, the inner wall of the first connecting body 110 is flared toward the outside, which may facilitate the installation of the seal assembly 400, and when one end of the groove clamping portion 330 presses one end of the seal assembly 400, the seal assembly 400 may be guided to move inward, thereby preventing the seal assembly 400 from being damaged during the pressing movement.

In some embodiments of the present application, the female connector 100 further includes a third connector 130, the third connector 130 is disposed on a side of the second connector 120 away from the first connector 110, and an inner diameter of the third connector 130 is smaller than an inner diameter of the second connector 120, and the inner diameter of the third connector 130 is the same as the inner diameter of the pipe 200 to be connected. In this embodiment, after the pipe 200 is inserted into the female connector 100, the inner diameter of the pipe 200 is the same as the inner diameter of the third connector 130, so that the inner walls of the two can be aligned to form concentric circles, thereby enabling water to flow without resistance and reducing water flow noise. In some specific embodiments, a transition area 121 is formed between an inner wall of the second connecting body 120 and an inner wall of the third connecting body 130, and a port of the pipe 200 to be connected is adapted to the transition area 121, so that when the pipe 200 to be connected is inserted into the socket connecting body 100, the two can form a first layer of sealing structure, thereby enhancing the sealing effect between the pipe 200 to be connected and the socket connecting body 100, and further avoiding secondary pollution caused by water accumulation at the contact part between the pipe 200 to be connected and the socket connecting body 100.

In some embodiments of the present disclosure, an inner wall of the second connecting body 120 forms an included angle with an axial direction of the second connecting body 120, and an inner diameter of the second connecting body 120 near the first connecting body 110 is larger than an inner diameter of the second connecting body 120 near the third connecting body 130. In this embodiment, the inner diameters of the second connection body 120 along the axial direction may be different, for example, the inner diameter of the second connection body 120 close to the third connection body 130 is the same as the inner diameter of the pipe 200 to be connected, and the inner diameter of the second connection body 120 close to the first connection body 110 is 0.2mm to 0.3mm larger than the inner diameter of the second connection body 120 close to the third connection body 130, so that the pipe 200 to be connected can be conveniently mounted and dismounted.

As shown in fig. 5 to 8, in some embodiments of the present application, the connecting assembly 300 further includes a hinge member 340 and a locking member 350, one end of the hinge member 340 is hinged to the first main body 310, the other end of the hinge member 340 is hinged to the locking member 350, and one end of the locking member 350 away from the hinge member 340 is connected to the second main body 320 in a snap-fit manner. In some embodiments, referring to fig. 8, one end of the first body 310 is provided with a first through hole 311, and one end of the second body 320 is provided with a through hole adapted thereto, and when the first body 310 and the second body 320 are installed, the first pin 361 is inserted into the first through hole 311, so that the first body 310 and the second body 320 are hinged to each other by the first pin 361. The other end of the first body 310 is provided with a second through hole 312, the hinge is provided with a third through hole 341 adapted thereto, and when the device is attached, a second pin 362 is inserted into the second through hole 312 and the third through hole 341, so that one end of the hinge 340 is hinged to the first body 310 by the second pin 362. The other end of the hinge member 340 is provided with a fourth through hole 342, the locking member 350 is provided with a fifth through hole adapted to the fourth through hole 342, when the connector is installed, the third pin 363 is inserted into the fourth through hole 341 and the fifth through hole 352, so that the other end of the hinge member 340 is hinged to the locking member 350 through the third pin 363, and thus the first main body part 310, the second main body part 320, the hinge member 340 and the locking member 350 can freely rotate, and the connecting assembly 300 is convenient to disassemble and assemble.

As shown in fig. 9 and 10, in some embodiments of the present application, the locker 350 is provided with an arc pressing surface 351, the second body part 320 is provided with a locking buckle seat 321 fitted to the locker 350, the locking buckle seat 321 is provided with an arc contact surface 322 fitted to the arc pressing surface 351, and the first and second body parts 310 and 320 are gradually pressed or released when the arc pressing surface 351 is in contact with the arc contact surface 322 and the locker 350 rotates about the hinge 340. In some specific embodiments, referring to fig. 6 and 9, the hinge 340 may be configured to be elongated, a third through hole 341 and a fourth through hole 342 are formed at two ends of the hinge 340, and a second pin 362 and a third pin 363 are respectively inserted into the two through holes to respectively hinge the hinge 340 with the first body portion 310 and the locking member 350, and for example, two fifth through holes 352 may be formed in the locking member 350, and when the hinge is installed, only the fourth through hole 342 and the fifth through hole 352 are aligned, and the third pin 363 is sequentially inserted into one of the fifth through hole 352 and the fourth through hole 342, and the third pin 363 is inserted into the other fifth through hole 352, so that the hinge 340 can be hinged to the locking member 350. The arc-shaped pressing surface 351 is arranged on the locker 350, the buckle holder 321 is arranged on the second body part 320, specifically, the buckle holder 321 can be designed to be two convex structures, the distance between the two convex structures can be designed according to the size of the hinge part 340, the arc-shaped contact surface 322 matched with the arc-shaped pressing surface 351 is arranged on the buckle holder 321, in this embodiment, the locker 350 can be designed to be in a shape similar to an eccentric cam, so that when the locker 350 is pressed on the buckle holder 321, the arc-shaped pressing surface 351 will contact with the arc-shaped contact surface 322, when the locker 350 is rotated around the hinge part 340, the position of the arc-shaped pressing surface 351 relative to the arc-shaped contact surface 322 will also be changed, and the first body part 310 and the second body part 320 can be gradually pressed or gradually released, thereby completing the installation or the disassembly of the connecting assembly 300.

As shown in fig. 11 to 13, in some embodiments of the present application, the sealing assembly 400 includes a sealing ring 410 and a pressing ring 420, one side of the sealing ring 410 is closely attached to the end surface of the first connecting body 110, the other side of the sealing ring 410 is closely attached to the pipe 200 to be connected, and another side of the sealing ring 410 is closely attached to the pressing ring 420. In this embodiment, the sealing ring 410 may be a prismatic structure, referring to fig. 3 and 11, the sealing ring 410 includes a first surface 411, a second surface 412 and a third surface 413, wherein the first surface 411 is attached to the inner wall of the socket connector 100, an inclination angle of the first surface 411 may be designed according to an inclination angle of the inner wall of the socket connector 100, the second surface 412 is attached to one side of the pressing ring 420, and the third surface 413 is attached to the outer wall of the pipe 200 to be connected. In this embodiment, the sealing ring 410 is mainly used for sealing, and the pressing ring 420 can be under the extrusion of the groove clamping portion 330, so that the sealing ring 410 is tightly connected between the inner wall of the socket connector 100 and the outer wall of the pipe to be connected 200, therefore, the material of the sealing ring 410 and the material of the pressing ring 420 can be different, exemplarily, the material of the sealing ring 410 can be slightly softer, so that the sealing effect can be ensured, and the material of the pressing ring 420 can have certain rigidity, and also can have certain wear resistance, so that when the connecting assembly 300 is frequently disassembled and assembled, the service life of the pressing ring 420 can be effectively ensured.

In some embodiments, the inner diameter of the sealing ring 410 may be 0.1mm to 0.5mm smaller than the outer diameter of the pipe 200 to be connected, so that the sealing ring 410 and the pipe 200 can form a tightly fitting sealing structure when the two are sleeved. The included angle between the inner wall of the sealing ring 410 and the first surface 411 may be 50 ° to 55 °, and correspondingly, the axial included angle between the inner wall of the connecting portion 111 and the socket connector 100 may also be 50 ° to 55 °, so that the sealing ring 410 can be tightly attached to the inner wall of the connecting portion 111.

As shown in fig. 12 and 13, in some embodiments of the present application, one side of the clamp ring 420 is tightly attached to the pipe 200 to be connected, the other side of the clamp ring 420 is tightly attached to the inner wall of the first connecting body 110, one side of the clamp ring 420 is an inclined attachment surface, and the inner wall of the groove clamping portion 330 is tightly attached to the attachment surface to fix the sealing assembly 400 in the accommodating cavity 140. In this embodiment, referring to fig. 3 and 12, the pressing ring 420 includes a first side 421, a second side 422, and a third side 423, wherein the first side 421 is tightly attached to the groove clamping portion 330, the first side 421 is an obliquely disposed attachment surface, an included angle between the first side 421 and the sealing ring 410 in the radial direction may be 10 ° to 15 °, and correspondingly, an included angle between one end of the groove clamping portion 330 and the pipe 200 to be connected in the radial direction may also be 10 ° to 15 °, which may facilitate the installation of the two parts. The second side 422 is attached to the inner wall of the first connecting body 110, and an included angle between the second side 422 and the axial direction of the pipe 200 to be connected may be 3 ° to 6 °, so that the outer diameter of the side of the clamp ring 420 close to the sealing ring 410 is slightly larger than the outer diameter of the side of the clamp ring 420 close to the groove clamping portion 330, which can facilitate the installation of the clamp ring 420. Third side 423 is in close proximity to seal ring 410. The angle between the third side 423 and the axial direction of the pipe 200 to be connected may be 20 ° to 24 °, and correspondingly, the angle between the inner wall of the sealing ring 410 and the second surface 412 may also be 20 ° to 24 °, so as to ensure that the two are tightly attached to each other. The internal diameter of clamp ring 420 can be less than the external diameter of treating connecting pipe 200 by 0.1mm to 0.5mm, and like this clamp ring 420 cover is established after treating connecting pipe 200, and both can closely laminate.

In some embodiments of the present application, the contact portion of the compression ring 420 and the outer wall of the pipe to be connected 200 is provided with a tooth-shaped protrusion 424. In this embodiment, the tooth-shaped protrusions 424 can prevent the compression ring 420 from being displaced.

In some embodiments of the present application, the material of the compression ring 420 is one of formaldehyde resin, ABS resin, polycarbonate alloy plastic, nylon material or phenolic resin. In the present embodiment, the material of the compression ring 420 may be an engineering plastic, which may be, for example, a formaldehyde aldehyde resin (also called pom), which is an engineering plastic with excellent performance, and has hardness, strength and rigidity similar to metals, so that it can be applied to the compression ring 420. The ABS resin can also be ABS resin, is also called ABS plastic, is a terpolymer of three monomers of acrylonitrile (A), butadiene (B) and styrene (S), can be randomly changed in relative content, is prepared into various resins, and has good mechanical properties due to the three components. It may also be a polycarbonate alloy plastic, also known as pc (polycarbonate) plastic, which has good mechanical properties at ordinary use temperatures and is easy to machine and form, and thus may be used to make the compression ring 420. It can also be made of nylon material, the nylon material is commonly known as polyamide, in the related application, nylon can be used as base material, and then the physical property of the nylon can be changed to form engineering plastics with various special properties, such as reinforced nylon, wear-resistant nylon, etc. The material can also be phenolic resin, and the phenolic resin has good acid resistance, mechanical property and heat resistance, so that the clamp ring 420 can be manufactured.

The embodiments of the present application are described in a related manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.

Claims (10)

1. A pipe spigot and socket connection, comprising:

the end part of the socket connector is provided with a connecting part;

the pipe to be connected is connected with the socket connector in an inserting mode, and an accommodating cavity is formed between the inner wall of the connecting part and the outer wall of the pipe to be connected;

the connecting assembly comprises a first main body part and a second main body part, one end of the second main body part is hinged with one end of the first main body part, the other end of the second main body part is detachably connected with the other end of the first main body part, groove clamping parts matched with the outer walls of the connecting parts are formed on the inner walls of the first main body part and the second main body part, and the groove clamping parts are sleeved on the connecting parts;

the sealing assembly is arranged in the accommodating cavity, one side of the groove clamping portion is tightly abutted to the sealing assembly, and the other side of the groove clamping portion is tightly abutted to the connecting portion so as to fix the sealing assembly in the accommodating cavity.

2. The pipe socket connector according to claim 1, wherein the socket connector comprises a first connector and a second connector, the inner diameter of the first connector is larger than the inner diameter of the second connector, the outer wall of the pipe to be connected is connected with the inner wall of the second connector in a transition fit manner, the inner wall of the first connector and the outer wall of the pipe to be connected form the accommodating cavity, and the connecting portion is formed on the first connector.

3. The pipe socket connector according to claim 2, wherein the socket connector further comprises a third connector, the third connector is disposed on a side of the second connector away from the first connector, and the third connector has an inner diameter smaller than that of the second connector, and the inner diameter of the third connector is the same as that of the pipe to be connected.

4. The pipe socket connector of claim 3, wherein an inner wall of said second connector forms an angle with an axial direction of said second connector, and an inner diameter of said second connector adjacent to said first connector is larger than an inner diameter of said second connector adjacent to said third connector.

5. The pipe socket joint formula connecting piece of claim 1, characterized in that, coupling assembling still includes articulated elements and retaining member, the one end of articulated elements with first main part is articulated, the other end of articulated elements with the retaining member is articulated, the retaining member is kept away from the one end of articulated elements with the mode of joint is connected with the second main part.

6. The pipe socket joint type connecting piece according to claim 5, wherein the locking piece is provided with an arc-shaped pressing surface, the second main body part is provided with a locking buckle seat matched with the locking piece, the locking buckle seat is provided with an arc-shaped contact surface matched with the arc-shaped pressing surface, and when the arc-shaped pressing surface is contacted with the arc-shaped contact surface and the locking piece rotates around the hinge piece, the first main body part and the second main body part are gradually pressed or released.

7. The pipe socket joint connector of claim 2, wherein the sealing assembly comprises a sealing ring and a pressing ring, one side of the sealing ring is tightly attached to the end face of the first connecting body, the other side of the sealing ring is tightly attached to the pipe to be connected, and the other side of the sealing ring is tightly attached to the pressing ring.

8. The pipe socket joint connector of claim 7, wherein one side of the compression ring is tightly attached to the pipe to be connected, the other side of the compression ring is tightly attached to the inner wall of the first connector, one side of the compression ring is an inclined attachment surface, and the inner wall of the groove clamping portion is tightly attached to the attachment surface to fix the sealing assembly in the accommodating cavity.

9. The pipe socket joint according to claim 8, wherein the contact part of the compression ring and the outer wall of the pipe to be connected is provided with a tooth-shaped bulge.

10. The socket joint type connecting piece for pipelines of any one of claims 7 to 9, wherein the material of the compression ring is one of formaldehyde aldehyde resin, ABS resin, polycarbonate alloy plastic, nylon material or phenolic resin.

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