CN213361404U - Two-way joint with improved structure - Google Patents

Two-way joint with improved structure Download PDF

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Publication number
CN213361404U
CN213361404U CN202022122416.4U CN202022122416U CN213361404U CN 213361404 U CN213361404 U CN 213361404U CN 202022122416 U CN202022122416 U CN 202022122416U CN 213361404 U CN213361404 U CN 213361404U
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CN
China
Prior art keywords
inner diameter
wall
connecting surface
diameter expansion
way joint
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Application number
CN202022122416.4U
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Chinese (zh)
Inventor
蒋王虎
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Zhejiang Mingda Copper Co ltd
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Zhejiang Mingda Copper Co ltd
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Priority to CN202022122416.4U priority Critical patent/CN213361404U/en
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Publication of CN213361404U publication Critical patent/CN213361404U/en
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Abstract

The utility model discloses a two-way joint with improved structure, which comprises a left inner diameter expansion part, a right inner diameter expansion part and a middle inner wall body, wherein the left inner diameter expansion part comprises a left inner diameter expansion wall and a left connecting surface; the right inner wall expanding part comprises a right inner diameter expanding wall and a right connecting surface, the right end of the right inner diameter expanding wall is connected to the right end face of the two-way connector, and the right connecting surface is connected to the right end of the inner wall body. The utility model discloses simple structure, design novelty, it can not only firmly be connected the pipe fitting of connecting of treating of left and right both ends with relevant accessory cooperation back, can also ensure to have good sealing performance.

Description

Two-way joint with improved structure
Technical Field
The present invention relates to a pipe joint for connecting pipes, and more particularly to a two-way joint with improved structure.
Background
The pipe joint is a connecting tool between pipelines and is also a connecting point which can be disassembled and assembled between the pipelines, and plays an indispensable important role in the connection of pipe fittings.
Pipe joints are of various types, and common pipe joints can be generally divided into hard pipe joints and hose joints. If the hard pipe joint is divided according to the connecting mode of the pipe joint and the pipeline, the hard pipe joint has three types of flaring type, clamping sleeve type and welding type. The welded type can not be disassembled, and although the flared type and the clamping sleeve type can be disassembled, after the welded type and the clamping sleeve type are connected with each other, the fastening degree and the sealing performance between the welded type and the clamping sleeve type are not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two-way joint of institutional advancement, its aim at overcome the not good enough problem of sealing performance that prior art exists.
In order to achieve the purpose, the utility model provides a technical scheme as follows:
a kind of structure improved two-way joint, it includes left external thread section and right external thread section of the right side of left side, the inner wall of the said two-way joint includes the inner wall body of the middle part, left expanded inner diameter portion and right expanded inner diameter portion of the right side of left side, the expanded inner diameter portion of left side locates at the left side of the inner wall body, it includes cylindrical left expanded inner diameter wall and circular left connecting surface, the said left expanded inner diameter wall extends axially, the said left connecting surface extends radially, the left end of the expanded inner diameter wall of left side is connected to the left end surface of the two-way joint, the right end of the expanded inner diameter wall of left side is connected to the larger end of diameter of the left connecting surface, the smaller end of diameter of the said; the right inner wall expanding part is positioned on the right side of the inner wall body and comprises a cylindrical right inner diameter expanding wall and a circular right connecting surface, the right inner diameter expanding wall extends along the axial direction, the right connecting surface extends along the radial direction, the right end of the right inner diameter expanding wall is connected with the right end surface of the two-way connector, the left end of the right inner diameter expanding wall is connected with the larger diameter end of the right connecting surface, and the smaller diameter end of the right connecting surface is connected with the right end of the inner wall body.
In a recommended embodiment, a circular first groove is formed in the left connecting surface, and the first groove is concentric with the left connecting surface; and the right connecting surface is provided with a circular second groove which is concentric with the right connecting surface.
In a preferred embodiment, the left and right inner diameter-enlarged portions are symmetrical to each other.
In a preferred embodiment, the middle of the outer wall of the two-way joint is thickened outwardly.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect: the utility model discloses simple structure, design novelty, it can not only firmly be connected the pipe fitting of connecting of treating of left and right both ends with relevant accessory cooperation back, can also ensure to have good sealing performance.
Drawings
Fig. 1 is a schematic structural view of a two-way joint.
Fig. 2 is a schematic structural diagram of a left pipe to be connected.
Fig. 3 is a schematic structural view of the left-side union nut.
Fig. 4 is a schematic structural diagram of the left clamping sleeve.
Fig. 5 is a schematic view of the connection structure of the present invention.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to fig. 1, a two-way joint 1 with improved structure, it includes left external thread section 11 and right external thread section 12 on the right side, the inner wall of the two-way joint 1 includes inner wall body 13 in the middle, left inner diameter expansion 14 on the left side and right inner diameter expansion 15 on the right side, the left inner diameter expansion 14 is located on the left side of the inner wall body 13, it includes left inner diameter expansion wall 16 of cylindrical surface shape and circular ring shape left connecting surface 17, the said left inner diameter expansion wall 16 extends along the axial direction, the said left connecting surface 17 extends along the radial direction, the left end of the left inner diameter expansion wall 16 is connected to the left end surface 101 of the two-way joint 1, the right end of the left inner diameter expansion wall 16 is connected to the larger diameter end of the left connecting surface 17, the smaller diameter end of the said left connecting surface 17 is.
The right inner wall expansion part 15 is located on the right side of the inner wall body 13 and comprises a cylindrical right inner diameter expansion wall 18 and a circular right connecting surface 19, the right inner diameter expansion wall 18 extends axially, the right connecting surface 19 extends radially, the right end of the right inner diameter expansion wall 18 is connected to the right end surface 102 of the two-way connector 1, the left end of the right inner diameter expansion wall 18 is connected to the larger diameter end of the right connecting surface 19, and the smaller diameter end of the right connecting surface 19 is connected to the right end of the inner wall body 13.
In a preferred embodiment, the left connecting surface 17 is provided with a circular first groove 171, and the first groove 171 is concentric with the left connecting surface 17; the right connecting surface 19 is provided with a circular second groove 191, and the second groove 191 is concentric with the right connecting surface 19. In this embodiment, the left inner diameter-enlarged portion 14 and the right inner diameter-enlarged portion 15 are symmetrical to each other, that is, the left inner diameter-enlarged portion 14 and the right inner diameter-enlarged portion 15 have the same aperture. As can be seen from fig. 1, in order to increase the strength of the two-way joint 1, a thickened portion 10 is formed outwardly in the middle of the outer wall of the two-way joint 1.
Referring to fig. 2, fig. 2 is a schematic structural diagram of the left pipe fitting 2 to be connected, and as can be seen from the diagram, an annular clamping groove 21 is formed in the outer wall of the left pipe fitting 2 to be connected, and the cross section of the clamping groove 21 is rectangular.
Referring to fig. 5, the wall thickness of the left pipe 2 to be connected is the same as the radial length of the left inner diameter-enlarged portion 14, i.e., the radial length of the left connecting surface 14. The connecting end surface 22 of the left pipe fitting 2 to be connected is provided with a circular third groove 23, and the first groove 16 of the left connecting surface 14 and the third groove 23 correspond to each other and form a communicating cavity together. As can be seen from fig. 5, an annular auxiliary sealing ring 6 is installed in the communicating cavity, and the auxiliary sealing ring 6 is installed and filled in the communicating cavity. The auxiliary sealing ring 6 is usually made of rubber material, and its arrangement can further enhance the sealing effect.
Referring to fig. 3, fig. 3 is a schematic structural diagram of the left-side socket nut 3, and from right to left, the inner wall of the left-side socket nut 3 includes an internal thread section 31, a horizontal seal ring installation section 32, a left-side clamping sleeve installation section 33, and a horizontal small inner diameter section 34, which are connected in sequence, and the cross section of the left-side clamping sleeve installation section 33 is an inclined plane.
Referring to fig. 4, left side joint sleeve 4 includes annular left side joint sleeve body 41 and bellying 42, bellying 42 encircles in the medial surface of left side joint sleeve body 41, and the transversal rectangle of personally submitting of bellying 42, the transversal triangle-shaped of personally submitting of left side joint sleeve body 41, the hypotenuse of triangle-shaped laminating in the inclined plane of left side joint sleeve installation section 33. The left clamping sleeve 4 is generally made of hard material, such as stainless steel.
Referring to fig. 5, the small inner diameter section 34 is sleeved on the left pipe fitting 2 to be connected, the connection end surface 22 of the left pipe fitting 2 to be connected abuts against the left connection surface 14 of the left inner diameter expansion portion, and the inner thread section 31 is in threaded connection with the left outer thread section 11; left side joint sleeve 4 installs and treats to be connected between the pipe fitting 2 outer wall in left side joint sleeve installation section 33 and corresponding left side, left side joint sleeve body 41 cover is located the left side and is treated to be connected pipe fitting 2, in the draw-in groove 21 was gone into to the bellying 42 card, the size of bellying 42 followed draw-in groove 21 looks adaptation. With reference to fig. 5, a left sealing ring 5 is disposed between the left pipe 2 to be connected and the left socket nut 3, the cross section of the left sealing ring 5 is rectangular, the left sealing ring 5 is radially installed between the sealing ring installation section 32 and the outer wall of the corresponding left pipe 2 to be connected, and the left sealing ring 5 axially abuts against the left end surface 101 of the two-way joint 1 and the left clamping sleeve 4.
Continuing with fig. 5, in this embodiment, the left inner diameter-enlarged portion 14 and the right inner diameter-enlarged portion 15 are symmetrical to each other, and the related components such as the right pipe 7 to be connected, the right socket nut 8, and the right clamping sleeve 9 are also symmetrical to the corresponding components on the left side, so the detailed structure on the right side is not described herein again.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (4)

1. The utility model provides a two-way joint of institutional advancement, it includes left external screw thread section on left side and right external screw thread section on right side, its characterized in that: the inner wall of the two-way joint comprises an inner wall body in the middle, a left inner diameter expansion part on the left side and a right inner diameter expansion part on the right side, the left inner diameter expansion part is positioned on the left side of the inner wall body and comprises a cylindrical left inner diameter expansion wall and a circular left connecting surface, the left inner diameter expansion wall extends along the axial direction, the left connecting surface extends along the radial direction, the left end of the left inner diameter expansion wall is connected to the left end surface of the two-way joint, the right end of the left inner diameter expansion wall is connected to the larger diameter end of the left connecting surface, and the smaller diameter end of the left connecting surface is connected to the left; the right inner wall expanding part is positioned on the right side of the inner wall body and comprises a cylindrical right inner diameter expanding wall and a circular right connecting surface, the right inner diameter expanding wall extends along the axial direction, the right connecting surface extends along the radial direction, the right end of the right inner diameter expanding wall is connected with the right end surface of the two-way connector, the left end of the right inner diameter expanding wall is connected with the larger diameter end of the right connecting surface, and the smaller diameter end of the right connecting surface is connected with the right end of the inner wall body.
2. The two-way joint according to claim 1, wherein: the left connecting surface is provided with a circular first groove which is concentric with the left connecting surface; and the right connecting surface is provided with a circular second groove which is concentric with the right connecting surface.
3. The two-way joint according to claim 1 or 2, wherein: the left inner diameter expansion part and the right inner diameter expansion part are symmetrical to each other.
4. The two-way joint according to claim 1 or 2, wherein: the middle part of the outer wall of the two-way joint is outwards thickened.
CN202022122416.4U 2020-09-24 2020-09-24 Two-way joint with improved structure Active CN213361404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022122416.4U CN213361404U (en) 2020-09-24 2020-09-24 Two-way joint with improved structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022122416.4U CN213361404U (en) 2020-09-24 2020-09-24 Two-way joint with improved structure

Publications (1)

Publication Number Publication Date
CN213361404U true CN213361404U (en) 2021-06-04

Family

ID=76155641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022122416.4U Active CN213361404U (en) 2020-09-24 2020-09-24 Two-way joint with improved structure

Country Status (1)

Country Link
CN (1) CN213361404U (en)

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