CN214064095U - Pipe joint assembly - Google Patents

Abstract

A pipe joint assembly comprises a pipe joint body, a connecting pipe, a threaded piece, a sealing piece and a clamping piece; the pipe joint body includes an accommodation portion and a pipe joint body threaded portion, and the screw includes a screw threaded portion and a screw abutting portion; the threaded part is hollow, the threaded part comprises a threaded part through hole part, the sealing part comprises a sealing part through hole part, the clamping part comprises a clamping part through hole part, and the adapter is arranged in the threaded part through hole part, the sealing part through hole part and the clamping part through hole part in a penetrating manner; the screw thread portion with coupling body screw thread portion screw thread fit, screw butt portion with the sealing member offsets, at least part screw butt portion is located the portion of holding, the sealing member with chucking spare offsets, chucking spare with the portion of holding offsets, the sealing member with the coupling body the takeover seal fit has better connection reliability.

Description

Pipe joint assembly

Technical Field

The utility model relates to a pipe connection technical field especially relates to a coupling subassembly.

Background

The pipeline connecting device is mainly used for connecting pipelines, for example, in an air conditioning system, two pipes of a refrigeration system can be sealed and fixed through the pipeline connecting device. Fig. 13 shows a general pipeline connecting device in the background art, which includes a first connecting pipe 1 ', a second connecting pipe 2', a connecting head 3 ', and a connecting pipe screw 4', wherein the connecting pipe screw 4 'is provided with an internal thread, the pipe joint 3' is provided with an external thread, the connecting pipe screw 4 'is connected with the pipe joint 3' through a thread, the first connecting pipe 1 'is provided with a flared opening, and one end of the flared opening of the first connecting pipe 1' is abutted against the pipe joint 3 'under the action of the connecting pipe screw 4'.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe joint component, which comprises a pipe joint body, a connecting pipe, a threaded part, a sealing part and a clamping part;

the pipe joint body includes an accommodation portion and a pipe joint body threaded portion, and the screw includes a screw threaded portion and a screw abutting portion;

the threaded part is hollow, the threaded part comprises a threaded part through hole part, the sealing part comprises a sealing part through hole part, the clamping part comprises a clamping part through hole part, and the adapter is arranged in the threaded part through hole part, the sealing part through hole part and the clamping part through hole part in a penetrating manner;

the threaded part is in threaded fit with the threaded part of the pipe joint body, the threaded part abutting part abuts against the sealing element, at least part of the threaded part abutting part is located in the accommodating part, the sealing element abuts against the clamping piece, the clamping piece abuts against the accommodating part, and the sealing element is in sealed fit with the pipe joint body and the connecting pipe.

The utility model provides a coupling device, its takeover offsets with chucking spare, and the at least part of screw thread spare butt portion is located the portion of holding of coupling body and offsets with the sealing member, and the sealing member offsets with chucking spare, has better connection reliability.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of the pipe joint assembly of FIG. 1;

FIG. 3 is a cross-sectional view of the pipe coupling body of FIG. 1;

FIG. 4 is a schematic view of the retainer of FIG. 1;

FIG. 5 is a schematic view of the seal of FIG. 1;

FIG. 6 is a cross-sectional view of the threaded element of FIG. 1;

fig. 7 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 8 is a cross-sectional view of the threaded member of FIG. 7;

FIG. 9 is a schematic view of the pressure ring of FIG. 7;

FIG. 10 is a schematic cross-sectional view of the retainer of FIG. 7;

FIG. 11 is a cross-sectional view of a coupling assembly in another configuration;

fig. 12 is a schematic structural view of a third embodiment of the present invention;

fig. 13 is a perspective view of a related art pipe connection device.

Wherein the figures include the following reference numerals:

1, a pipe joint body; 11 pipe joint body screw thread portion; 12 an accommodating part; 121 an abutting portion; 122 a first accommodating portion; 123 a second accommodating part; 13 a pipe fitting part; 14 a blocking part; 2, taking over a pipe; 3, a screw thread piece; 31 a screw through hole portion; 32 a screw thread portion; 33 a screw abutment; 4, pressing a ring; 41 press ring through hole parts; 5 a seal member; 51 a seal member through hole portion; 6, a clamping piece; 61 a deformation part; a base portion 62; 63 a retainer through hole portion.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

[ first embodiment ] A method for manufacturing a semiconductor device

Referring to fig. 1-6, fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of the pipe joint assembly of FIG. 1; FIG. 3 is a cross-sectional view of the pipe coupling body of FIG. 1; FIG. 4 is a schematic view of the retainer of FIG. 1; FIG. 5 is a schematic view of the seal of FIG. 1; FIG. 6 is a cross-sectional view of the threaded element of FIG. 1;

it should be noted that the terms of orientation, horizontal, vertical, upper and lower, etc. mentioned herein are defined with reference to the position of the components in the drawings and the mutual position relationship between the components in fig. 1 to 6, and the use of the terms of orientation is only for convenience of description of the technical solution, and it should be understood that the use of the terms of orientation does not limit the scope of protection.

This embodiment provides a pipe joint assembly including a pipe joint body 1, a nipple 2, a screw member 3, a seal member 5, and a retainer 6.

Referring specifically to fig. 1 to 3, the coupling body 1 is of a hollow structure and has an opening, at an outer edge portion near one side of the opening, the coupling body 1 is provided with a coupling body threaded portion 11 (for screw-fitting with a screw member threaded portion 32, which will be mentioned later), a receiving portion 12 is substantially formed at an inner edge portion of the coupling body 1, the receiving portion 12 further includes a first receiving portion 122 and a second receiving portion 123, an inner diameter of the second receiving portion 123 is gradually reduced along a direction in which the adapter 2 is inserted, and may be in a circular truncated cone shape, the first receiving portion 122 is substantially located at one side of the second receiving portion 123 relatively near the opening of the coupling body 1, a space inside the first receiving portion 122 may be in a cylindrical shape and is mainly used for receiving the sealing member 5, the sealing member 5 is sealed by interference-fitting with the first receiving portion 122, at least a portion of the clamping member 6 is located at the second receiving portion 123, the interface of the second receiving portion 123 is substantially circular truncated cone-shaped.

In the present embodiment, an abutting portion 121 that is substantially perpendicular to the axial direction of the pipe joint body 1 is formed between the first receiving portion 122 and the second receiving portion 123, and the abutting portion 121 and the second receiving portion 123 have different angles, but of course, the abutting portion 121 does not have to be provided perpendicular to the axial direction of the pipe joint body 1, and it is only necessary to achieve that a retainer 6 (to be mentioned later) can abut against the abutting portion 121.

Further, referring specifically to fig. 4, the retainer 6 of the present embodiment includes a deformation portion 61, a base portion 62 and a retainer through hole portion 63, in the present embodiment, the base portion 62 is located at an end of the deformation portion 61 relatively close to the opening of the pipe joint body 1, the deformation portion 61 has a substantially hollow cylindrical structure or a truncated cone-shaped structure or a conical structure, the base portion 62 has a substantially hollow annular structure, the retainer 6 has a substantially hollow shape, and the retainer through hole portion 63 is provided at a substantially middle position of the retainer 6, through which the pipe joint 2 can pass.

Referring to fig. 5 in particular, the material of the sealing element 5 provided in this embodiment includes graphite, so that the sealing element 5 provided in this embodiment has good chemical stability at room temperature, good resistance to corrosion by acid and organic solvents, and good toughness, and can deform under stress, and a sealing element through hole 51 is disposed at a substantially central position of the sealing element 5, through which the adapter 2 can pass.

Referring specifically to fig. 6, the pipe joint assembly provided in this embodiment includes a screw member 3, the screw member 3 is provided with a screw member threaded portion 32 and a screw member through hole portion 31, and the screw member through hole portion 31 is penetrated by the adapter 2.

In a state where the adapter 2 and the retainer 6 are not yet assembled, the outside diameter of the adapter 2 is smaller than the inside diameter of the retainer passage portion 63, and in the process of mounting the coupling body 1 and the adapter 2, the retainer 6 and the seal 5 may be first put into the receiving portion 12 of the coupling body 1 one after another, then the screw thread portion 32 may be screwed (but not screwed) to the coupling body screw thread portion 11, so that the screw 3, the seal 5, and the retainer 6 are arranged one after another, then the adapter 2 may be passed through the screw passage portion 31, the seal passage portion 51, and the retainer passage portion 63, and finally the screw thread portion 32 may be screwed to the coupling body screw thread portion 11, and during the screwing of the screw 3 and the coupling body 1, the retainer 6 is gradually moved downward by the pressure of the screw 3, because it is along the axial direction of the coupling assembly and from the first receiving portion 122 to the abutting portion 121, the internal diameter of second housing portion 123 reduces gradually, therefore when chucking spare 6 descends to a certain extent, deformation portion 61 can offset with second housing portion 123, at this moment, continues to twist screw member 3, and deformation portion 61 can take place to warp, and its internal diameter and external diameter all diminish gradually, and chucking spare 6 can continue the downstream, until deformation portion 61 offsets with takeover 2, chucking spare 6 and takeover 2 interference fit fixed connection.

Of course, it can also be provided that: when the retainer 6 moves downward until the base portion 62 of the retainer 6 abuts against the abutting portion 121 of the coupling body 1, the retainer 6 reaches a limit position, and at this time, the retainer is in interference fit with the coupling tube 2 so as to be fixedly connected with the coupling tube.

In order to increase the deforming effect of the deforming portion 61 of the retainer 6, the pipe joint assembly of the present embodiment is further configured such that: the second receiving portion 123 has a taper angle larger than that of the deformation portion 61, and the deformation portion 61 is more easily deformed in the movement direction of the clip 6.

Further, in order to facilitate the abutment of the retainer 6 with the second receiving portion 123, the pipe joint assembly of the present embodiment is further provided with: the outer diameter of the end of the deformation portion 61 relatively distant from the base portion 62 is smaller than the inner diameter of the end of the second accommodation portion 123 relatively close to the first accommodation portion 122.

When the sealing member 5 abuts the retainer 6, mainly the base portion 62 abuts the sealing member 5, the base portion 62 may be a clearance fit with the receiving portion 12, and the base portion 61 provides a support surface for the sealing member 5 when the screw thread portion 32 is screwed tightly with the pipe joint body thread portion 11.

Of course, the deformable portion 61 and the base portion 62 are not clearly defined, and for example, when the retainer 6 is of a circular truncated cone shape as a whole, the surface thereof that abuts against the seal 5 is the base portion, and the remaining portions are the deformable portions, and in the retainer structure shown in the drawing, the substantially annular portion is the base portion 62, and the circular truncated cone-shaped portion is the deformable portion 61, and in the present embodiment, the deformable portion 61 and the base portion 62 are of an integral structure.

For the convenience of assembly, when the screw member 3 and the pipe joint body 1 are not screwed tightly, the sealing member 5 and the pipe joint body 1 are in clearance fit, that is, the outer diameter of the sealing member 5 is smaller than the inner diameter of the part of the accommodating portion 12 having the same axial region as the sealing member 5, when the screw member 3 and the pipe joint body 1 are gradually screwed, the sealing member 5 starts to be deformed by the pressure of the screw member 3, the height of the sealing member 5 in the axial direction of the pipe joint body 1 is gradually reduced, and the clearance between the sealing member 5 and the inner wall of the accommodating portion 12 is gradually reduced so that the sealing member 5 seals against the inner wall of the accommodating portion 12.

In addition, for convenient assembly, when the screw thread piece 3 and the pipe joint body 1 are not screwed tightly, the sealing piece 5 is in clearance fit with the connecting pipe 2, namely the inner diameter of the sealing piece 5 is larger than the outer diameter of the connecting pipe 2, when the screw thread piece 3 and the pipe joint body 1 are screwed gradually, the sealing piece 5 begins to deform under the pressure of the screw thread piece 3, the height of the sealing piece 5 in the axial direction of the pipe joint body 1 is gradually reduced, and the clearance between the sealing piece 5 and the outer wall of the connecting pipe 2 is gradually reduced so that the sealing piece 5 abuts against and is sealed with the outer wall of the connecting pipe 2.

The coupling subassembly 1 that this embodiment provided, its coupling body 1 is comparatively convenient with being connected of taking over 2, only needs can realize coupling body 1 and being connected of taking over 2 through the mode of screwing up coupling body 1 with screwed part 3, and behind screwed part 3 and coupling body 1 screw-up cooperation, thereby realize the sealed of coupling subassembly through the deformation of sealing member 5.

In the background art, one end of the connecting pipe is flared, the strength of the connecting pipe is reduced compared with that of the connecting pipe without flaring, in addition, the flaring part of the connecting pipe is abutted between the connecting head and the connecting pipe threaded piece, and the force borne by the flaring part is larger.

In addition, in this embodiment, the connection between the connection pipe 2 and the pipe joint body 1 can be more firmly achieved through the clamping piece 6, specifically, the connection pipe 2 and the clamping piece 6 are fastened to achieve the fixation of the connection pipe 2 and the clamping piece 6, the fixation is convenient, only the connection pipe 2 needs to be inserted into the clamping piece through hole 63, the clamping piece 6 deforms to enable the connection pipe 2 to be connected with the connection pipe 2, in addition, two sides of the clamping piece 6 respectively abut against the second accommodating part 123 of the pipe joint body 1 and the sealing piece 5, the sealing piece 5 abuts against the threaded piece 3, when an external force is required to separate the connection pipe 2 from the pipe joint body 1, the force applied to the connection pipe 2 can be sequentially transmitted to the gasket 4 and the sealing piece 5 through the clamping piece 6, and finally acts on the threaded piece 3, and because the threaded piece 3 is fixed to the pipe joint body 1 through threaded connection, the, the force required is also large.

In addition, the pipe joint assembly of this embodiment is also more convenient, only need to make the screw member 3 rotate towards the orientation of unscrewing for coupling body 1, can realize that screw member 3 and coupling body 1 separate, and the operation is comparatively simple and convenient.

In order to further increase the sealing effect of the pipe joint assembly, the threaded member 3 of the pipe joint assembly provided in the present embodiment further includes a threaded member abutting portion 33, specifically, the threaded member abutting portion 33 is substantially formed to extend along a bottom surface portion of the threaded member 3 (excluding the remaining portion of the threaded member extension portion 33), the threaded member abutting portion 33 is substantially hollow, a threaded member abutting surface 331 is provided at a lower edge position of the threaded member abutting portion 33, and the threaded member abutting surface 331 can abut against the sealing member 5. The inside of the screw abutment portion 33 forms part of the screw through hole portion 31 for the nipple 2 to pass through.

In the process of screwing the screw 3 and the pipe joint body 1, the screw abutting portion 33 can gradually extend into the inner space of the accommodating portion 12, so that at least part of the screw abutting portion 33 is located in the accommodating portion 12, in order to achieve the above functions, there is no overlapping region in the projection of the screw abutting portion 33 and the accommodating portion 12 (the deepest portion of the screw abutting portion 33 which can extend into the accommodating portion 12) on the plane perpendicular to the axial direction of the pipe joint assembly, and at this time, there is a gap between the outer wall of the screw abutting portion 33 which extends into the accommodating portion 12 and the inner wall of the accommodating portion 12. It should be noted that the presence of a gap between the outer wall of the screw abutting portion 33 that protrudes into the housing portion 12 and the inner wall of the housing portion 12 is only for the housing portion 12 and the screw abutting portion 33, and other components are not considered, and for example, when the screw abutting portion 33 gradually protrudes into the housing portion 12, the seal 5 may be affected by pressure to fill a partial gap between the outer wall of the screw abutting portion 33 and the inner wall of the housing portion 12, but the expression that the presence of a gap between the outer wall of the screw abutting portion 33 and the inner wall of the housing portion 12 is not affected.

Compared with a pipe joint assembly without the threaded part abutting part 33, when the threaded parts 3 and the pipe joint body 1 are in threaded connection to the same extent, the pipe joint assembly with the threaded part abutting part 33 has larger extrusion force on the sealing piece 5, so that the sealing force of the sealing piece 5, the accommodating part 23 and the connecting pipe 2 is larger, and at the moment, the sealing effect of the pipe joint assembly is better.

Referring to fig. 1 to 3, the pipe joint assembly of the present embodiment further includes a pipe fitting engaging portion 13, specifically, the pipe fitting engaging portion 13 is located on a side of the second receiving portion 123 relatively far from the first receiving portion 122, the pipe fitting engaging portion 13 has an axial depth and is capable of engaging with the pipe 2, specifically, a portion of the pipe 2 passing through the clamping member 6 may be located on the pipe fitting engaging portion 13, and the pipe fitting engaging portion 13 is in clearance fit with the pipe 2. The arrangement of the connecting pipe matching part 13 can increase the matching length of the connecting pipe 2 and the pipe joint body 1, so that the shaking of the connecting pipe 2 in the pipe joint body 1 is reduced, the noise generated by the shaking of the connecting pipe 2 in the pipe joint body 1 can also be reduced, in the assembling process of the connecting pipe 2 and the pipe joint body 1, the connecting pipe matching part 13 can also provide guidance for the connecting pipe 2, and the coaxiality of the axis of the connecting pipe 2 and the axis of the pipe joint body 1 can also be further ensured.

In order to control the matching length of the adapter tube 2 and the tube joint body 1, the tube joint assembly provided by this embodiment further includes a blocking portion 14, the blocking portion 14 is located on one side of the adapter tube matching portion 13 relatively far away from the second accommodating portion 123, in addition, in order to limit the adapter tube 2 from further moving towards the interior of the tube joint body 1 when the blocking portion 14 contacts with the adapter tube 2, there is an overlapping portion between an orthographic projection of the blocking portion 14 along a plane perpendicular to the axial direction of the tube joint assembly and an orthographic projection of the adapter tube 2 along the plane, so that the adapter tube 2 can abut against the blocking portion 14, and when the outer periphery of the adapter tube 2 and the cross section of the inner wall of the blocking portion 14 are circular, the outer diameter of the adapter tube 2 is greater than the inner diameter of the blocking portion 14.

[ second embodiment ]

The second embodiment is further described with reference to fig. 7-10, fig. 7 is a schematic structural diagram of the second embodiment of the present invention; FIG. 8 is a cross-sectional view of the threaded member of FIG. 7; FIG. 9 is a schematic view of the pressure ring of FIG. 7; FIG. 10 is a schematic cross-sectional view of the retainer of FIG. 7;

in order to clearly and concisely describe other embodiments and avoid overly burdensome lines, the following embodiments will be described with reference to the same names and reference numbers for components that serve the same function, and will be described with respect to the differences from the first embodiment.

Referring to fig. 7 and 9, in this embodiment, the pipe joint assembly further includes a press ring 4, the press ring 4 is substantially in a circular ring shape, the press ring 4 may be in a closed structure or in an open structure, and the press ring 4 is provided with a press ring through hole portion 41 through which the connecting pipe 2 can pass.

In the state that the adapter 2 and the retainer 6 are not assembled, the outer diameter of the adapter 2 is smaller than the inner diameter of the retainer 6, and in the process of mounting the coupling body 1 and the adapter 2, the retainer 6, the press ring 4, and the packing 5 may be first placed in the receiving portion 12 of the coupling body 1 in sequence, then the screw thread portion 32 and the coupling body thread portion 11 may be screwed (but not screwed) in order to align the screw 3, the press ring 4, the packing 5, and the retainer 6 in sequence, then the adapter 2 may be passed through the screw through-hole portion 31, the press ring through-hole portion 41, the packing through-hole portion 51, and the retainer through-hole portion 63, and finally the screw thread portion 32 may be screwed to the coupling body thread portion 11, and in the process of screwing the screw 3 and the coupling body 1, the retainer 6 may be gradually moved downward by the pressure of the screw 3, because it is in the axial direction of the coupling and in the direction from the first receiving portion 122 to the abutting portion 121, the internal diameter of second housing portion 123 reduces gradually, therefore when chucking spare 6 descends to a certain extent, deformation portion 61 can offset with second housing portion 123, at this moment, continues to twist screw member 3, and deformation portion 61 can take place to warp, and its internal diameter and external diameter all diminish gradually, and chucking spare 6 can continue the downstream, until deformation portion 61 offsets with takeover 2, chucking spare 6 and takeover 2 interference fit fixed connection.

At this time, both sides of the clamping member 6 respectively abut against the second accommodating portion 123 and the sealing member 5, the sealing member 5 is abutted by the pressing ring 4, the pressing ring 4 is axially abutted by the screw member 3, and an end surface of the screw member 3 abutting against the pressing ring 4 is a screw member abutting surface 331 at this time.

In this embodiment, the pressing ring 4 can realize a function similar to the screw abutting portion 33 in the first embodiment, and the difference is that the pressing ring 4 and the screw 3 are separately provided, and the processing of the pressing ring 4 is also convenient.

Referring specifically to fig. 8-9, during the screwing process of the screw member 3 and the pipe joint body 1, the press ring 4 may gradually extend into the inner space of the accommodating portion 12, so that at least a part of the press ring 4 is located in the accommodating portion 12, and in order to achieve the above function, there is no overlapping area in the projection of the press ring 4 and the accommodating portion 12 (the deepest part of the press ring 4 that can extend into the accommodating portion 12) on the plane perpendicular to the axial direction of the pipe joint assembly, and at this time, there is a gap between the outer wall of the press ring 4 that extends into the accommodating portion 12 and the inner wall of the accommodating portion 12. It should be noted that the presence of a gap between the outer wall of the pressure ring 4 protruding into the housing portion 12 and the inner wall of the housing portion 12 is only for the housing portion 12 and the pressure ring 4, and does not take into consideration other components, for example, when the pressure ring 4 gradually protrudes into the housing portion 12, the sealing member 5 may fill a partial gap between the outer wall of the pressure ring 4 and the inner wall of the housing portion 12 under the influence of pressure, but does not affect the expression that a gap exists between the outer wall of the pressure ring 4 and the inner wall of the housing portion 12.

Further, the retainer 6 provided in the present embodiment is also of a split structure, that is, the deformation portion 61 and the base portion 62 are also of a split structure.

[ third embodiment ]

The third embodiment is further described with reference to fig. 12, and fig. 12 is a schematic structural diagram of the third embodiment of the present invention;

in order to clearly and concisely describe other embodiments and avoid overly burdensome lines, the following embodiments will be described with reference to the same names and reference numbers for components that serve the same function, and will be described with respect to the differences from the first embodiment.

Referring to fig. 12, in the present embodiment, the coupling component thread portion 11 is an external thread, the screw thread portion 32 is an internal thread, and the screw abutment portion 33 is located at an end of the screw thread portion 32 relatively close to the sealing member 5, and when the coupling component thread portion 11 and the screw thread portion 32 are screwed tightly, the screw abutment portion 33 abuts against the sealing member 5, so that the sealing member 5 expands to seal against the coupling body 1 and the coupling 2.

In this embodiment, the screw thread portion 32 and the screw abutting portion 33 of the screw 3 are skillfully arranged as an integral structure, which is beneficial to saving the material of the screw 3, so that the cost of the screw 3 or the pipe joint assembly is lower, and the connection effect of the connecting pipe 2 and the pipe joint body 1 of the pipe joint assembly is better.

It should be noted that the abutting includes direct abutting or indirect abutting, in addition, the two ends of the pipe joint body are usually provided with the connecting pipes, it is easy to understand that the two ends of the pipe joint body need to be provided with the structures for fixing the connecting pipes, the present application only limits the structure for connecting one end of the pipe joint body with the connecting pipes, that is, it is not required that both ends of the pipe joint adopt the solutions described in the present specification, and in the pipe joint assembly having one end adopting the solution of the present application, the other end of the pipe joint assembly may adopt the technical scheme of the pipe joint assembly provided by the scheme of the present application, or adopt other technical schemes different from the pipe joint assembly provided by the present application, please refer to fig. 11 specifically, one end of the pipe joint assembly adopts the scheme of the application, and the other end adopts other schemes to realize the connection of the connecting pipe and the pipe joint, but the connecting pipe and the pipe joint assembly still fall into the protection scope of the application.

The ordinal numbers such as "first", "second", etc. appearing in the specification are only for distinguishing different parts, and do not mean that there is a specific precedence relationship between each part.

The valve device provided by the present invention has been described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (8)

1. The pipe joint assembly is characterized by comprising a pipe joint body (1), a connecting pipe (2), a threaded part (3), a sealing part (5) and a clamping part (6);

the pipe joint body (1) includes an accommodating portion (12) and a pipe joint body threaded portion (11), and the screw (3) includes a screw threaded portion (32) and a screw abutting portion (33);

the threaded part (3) is hollow, the threaded part (3) comprises a threaded part through hole part (31), the sealing part (5) comprises a sealing part through hole part (51), the clamping part (6) comprises a clamping part through hole part (63), and the adapter tube (2) is arranged in the threaded part through hole part (31), the sealing part through hole part (51) and the clamping part through hole part (63) in a penetrating manner;

screw thread portion (32) with coupling body screw thread portion (11) screw-thread fit, screw butt portion (33) with sealing member (5) offset, at least part screw butt portion (33) is located in accommodation portion (12), sealing member (5) with chucking spare (6) offset, chucking spare (6) with accommodation portion (12) offset, sealing member (5) with coupling body (1) takeover (2) sealed cooperation.

2. The pipe joint assembly according to claim 1, wherein the receiving portion (12) comprises a first receiving portion (122) and a second receiving portion (123), the screw (3) comprises a screw abutment portion (33), the first receiving portion (122) is closer to the screw abutment portion (33) than the second receiving portion (123);

the retainer (6) includes a deformation portion (61) and a base portion (62);

the deformation portion (61) abuts against the second housing portion (123), the seal (5) abuts against the base portion (62), and the seal (5) is located in the second housing portion (123).

3. The pipe joint assembly according to claim 2, wherein the deformation portion (61) is provided separately from the base portion (62).

4. A pipe joint assembly according to any one of claims 2 to 3, wherein the pipe joint body (1) includes a nipple engaging portion (13), the nipple engaging portion (13) being located at a side of the second receiving portion (123) relatively distant from the first receiving portion (122), the nipple engaging portion (13) being clearance-fitted with the nipple (2).

5. A pipe joint assembly according to claim 4, wherein the pipe joint assembly comprises a blocking part (14), the blocking part (14) is positioned at one side of the pipe joint matching part (13) relatively far away from the second accommodating part (123), an overlapping area exists between an orthographic projection of the blocking part (14) along a plane perpendicular to the axial direction of the pipe joint assembly and an orthographic projection of the connecting pipe (2) along the plane, and the connecting pipe (2) and the blocking part (14) can be abutted.

6. A pipe joint assembly according to any one of claims 2 to 3, wherein the receiving portion (12) further comprises an abutting portion (121), an outer edge of the abutting portion (121) being connected to the first receiving portion (122), an inner edge of the abutting portion (121) being connected to the second receiving portion (123), the abutting portion (121) being capable of abutting against the base portion (62).

7. A pipe joint assembly according to any one of claims 2 to 3, wherein the second receiving portion (123) has a truncated cone shape, the deformation portion (61) has a truncated cone shape, and the taper angle of the second receiving portion (123) is greater than the taper angle of the deformation portion (61).

8. A pipe joint assembly according to any one of claims 1-3, wherein the sealing member (5) is graphite.

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