CN215862156U - High-precision corrosion-resistant stainless steel casting - Google Patents
High-precision corrosion-resistant stainless steel casting Download PDFInfo
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- CN215862156U CN215862156U CN202122027830.1U CN202122027830U CN215862156U CN 215862156 U CN215862156 U CN 215862156U CN 202122027830 U CN202122027830 U CN 202122027830U CN 215862156 U CN215862156 U CN 215862156U
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- pipeline
- stainless steel
- resistant stainless
- joint body
- steel casting
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Abstract
The utility model discloses a high-precision corrosion-resistant stainless steel casting which comprises a joint body, wherein a protective layer is arranged in the joint body, a connecting part used for being in threaded connection with a pipeline is arranged on the joint body, a containing groove in interference fit with the pipeline is arranged between the connecting part and the joint body, and a sealing element used for sealing a gap between the protective layer and the joint body is arranged between the joint body and the pipeline. The accommodating groove is in interference fit with the pipe wall of the pipeline, so that a gap between the anticorrosive layer at the end opening of the pipeline and the pipeline can be sealed, a sealing element between the pipeline and the joint body seals the gap between the protective layer at the end part of the joint body and the joint body, the medium in the pipeline is effectively prevented from stretching into the joint body, the anticorrosive performance of the pipeline joint is improved, and the connecting part and the pipeline are connected in a threaded fit manner, so that the pipeline joint precision is improved.
Description
Technical Field
The utility model relates to the technical field of stainless steel castings, in particular to a high-precision corrosion-resistant stainless steel casting.
Background
The stainless steel pipe joint is a pipeline casting with wide application, and in order to improve the corrosion resistance of a pipeline, a corrosion-resistant layer made of polyethylene and the like is usually arranged on the inner wall of the joint and the inner wall of the pipeline, but certain disadvantages exist in the actual installation process: because of the existence of the corrosion-resistant layer, a gap exists between the corrosion-resistant layer and the pipeline (joint) at the port of the pipeline (joint), and after the pipeline is connected and put into use, a medium conveyed in the pipeline can permeate through the gap between the corrosion-resistant layer and the pipeline (joint) to further cause corrosion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to avoid the defects in the prior art and provides a high-precision corrosion-resistant stainless steel casting, thereby effectively solving the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a corrosion-resistant stainless steel foundry goods of high accuracy, includes and connects the body, connect this internal inoxidizing coating that is provided with, be provided with on the joint body and be used for with pipeline threaded connection's connecting portion, connecting portion and connect be provided with between the body with pipeline interference fit's storage tank, connect to be provided with between body and the pipeline and be used for sealed inoxidizing coating and connect the sealing member in clearance between the body.
Further, the connecting part is connected with the pipeline through the matching of the internal thread on the connecting part and the external thread on the pipeline.
Furthermore, an inclined plane which is convenient for the pipeline to be inserted into the accommodating groove is arranged on one side of the accommodating groove opposite to the connecting part.
Further, the sealing element comprises a clamping part for clamping the protective layer and the joint body and a fixing part which is positioned in the accommodating groove and is tightly pressed by the pipeline.
Furthermore, the clamping portion comprises a first abutting portion matched with the accommodating groove and a second abutting portion matched with the protective layer, the first abutting portion is connected with the fixing portion, and the first abutting portion and the second abutting portion are connected through a third abutting portion.
Furthermore, the second pressing portion is provided with a folding edge which is bent towards the inside of the connector body.
Furthermore, the folding edge is arranged in an arc shape.
Furthermore, a blocking structure is arranged on the second pressing part.
Furthermore, a filter screen is arranged on the blocking structure.
Furthermore, the connecting part is provided with a trimming edge which is convenient to be connected with a pipeline.
The technical scheme of the utility model has the following beneficial effects: the accommodating groove is in interference fit with the pipe wall of the pipeline, so that a gap between the anticorrosive layer at the end opening of the pipeline and the pipeline can be sealed, a sealing element between the pipeline and the joint body seals the gap between the protective layer at the end part of the joint body and the joint body, the medium in the pipeline is effectively prevented from stretching into the joint body, the anticorrosive performance of the pipeline joint is improved, and the connecting part and the pipeline are connected in a threaded fit manner, so that the pipeline joint precision is improved.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of a first embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a perspective view of a seal configuration according to an embodiment of the present invention;
FIG. 6 is a perspective view of a second seal structure according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, the high-precision corrosion-resistant stainless steel casting according to the embodiment includes a joint body 2 for connecting a pipeline 1, a protective layer 3 is disposed on an inner wall of the joint body 2, the protective layer 3 may be made of polyethylene, so as to improve corrosion resistance of the joint body 2, a cylindrical connecting portion 4 for connecting the pipeline 1 is disposed on the joint body 2, the connecting portion 4 is connected with the pipeline 1 through a threaded structure, specifically, the threaded structure includes an internal thread disposed on the connecting portion 4 and an external thread disposed on the pipeline 1, a receiving groove 5 into which the pipeline 1 can be inserted is disposed between the connecting portion 4 and the joint body 2, the pipeline 1 is inserted into the receiving groove 5 and then is in interference fit with the receiving groove 5, so as to seal a gap between the pipeline 1 and an anti-corrosion layer 6 thereon, a sealing member 7 for sealing a gap between the joint body 2 and the protective layer 3 is disposed between the joint body 2 and the pipeline 1, further, the medium in the pipeline 1 is prevented from permeating into the gap between the joint body 2 and the protective layer 3 and the gap between the pipeline 1 and the anticorrosive layer 6 on the pipeline 1, and the anticorrosive performance of the utility model is greatly improved.
In this embodiment, be provided with 1 one end of pipeline of anticorrosive coating 6 and enter into storage tank 5 in the back, pipeline 1's outer wall and connecting portion 4 closely cooperate, and pipeline 1 inside anticorrosive coating 6 and storage tank 5's inner wall closely cooperate, form good sealed effect to pipeline 1's tip.
Specifically, the sealing member 7 includes a clamping portion for clamping the protective layer 3 and the joint body 2 and a fixing portion 8 located in the accommodating groove 5, the fixing portion 8 is pressed after the pipeline 1 is screwed into the accommodating groove 5, so that the fixing portion 8 is tightly pressed against the pipeline 1 and the end surface of the anticorrosive coating 6 on the pipeline 1, and a certain sealing effect is achieved, more specifically, the clamping portion includes a first pressing portion 9 matched with the accommodating groove 5 and a second pressing portion 10 matched with the protective layer 3, the first pressing portion 9 is connected with the fixing portion 8, the first pressing portion 9 is connected with the second pressing portion 10 through a third pressing portion 11, under the condition that the pipeline 1 tightly presses the fixing portion 8, the first pressing portion 9 tightly presses against the inner wall of the accommodating groove 5, the second pressing portion 10 tightly presses against the protective layer 3, and the third pressing portion 11 tightly presses against one end of the joint body 2 and the protective layer 3, the first pressing part 9, the second pressing part 10 and the third pressing part 11 have certain elasticity, so that the first pressing part 9, the second pressing part 10 and the third pressing part 11 are matched with each other to tightly clamp the joint body 2 and the protective layer 3, and a seal is formed at the end parts of the protective layer 3 and the joint body 2, so that the permeation of media in the pipeline 1 is avoided, and the corrosion resistance of the pipeline joint is improved.
Specifically, the inclined surface 12 is arranged on one side of the accommodating groove 5 opposite to the connecting portion 4, so that the accommodating groove 5 is arranged in an opening shape, the pipeline 1 can conveniently enter the accommodating groove 5, more specifically, the connecting portion 4 is provided with the trimming edge 13, the pipeline 1 and the connecting portion 4 can be conveniently matched, and the convenience in assembly is improved.
In this embodiment, be provided with on second pressure part 10 and roll over along 14, roll over along 14 and buckle towards the inside of connecting body 2, and roll over along 14 and be the arc setting, can improve the resistance to deformation ability of second pressure part 10, improve the combination low pressure intensity between second pressure part 10 and the inoxidizing coating 3, improve sealed effect.
In an optimal embodiment, set up on second portion of pressing 10 and block structure 15, be provided with the space that supplies the medium to pass through on blocking structure 15, on the one hand block structure 15 and can increase the structural strength of second portion of pressing 10, do benefit to and improve sealed effect, on the other hand blocks structure 15 and can intercept great debris in pipeline 1, play certain filter effect, can also set up the filter screen on blocking structure 15, carry out more meticulous filtration to medium in the pipeline 1, and filterable filth through the dismantlement joint body 2 clear up can.
The working principle of the utility model is as follows: when the pipeline 1 is connected by using the utility model, firstly, the sealing elements 7 are respectively arranged at the two ends of the joint body 2, then the joint body 2 is screwed with the opening at one end of the pipeline 1, then the opening at the other end of the pipeline 1 is screwed to the other end of the joint body 2, so that the connection of the pipeline 1 can be completed, when the joint body 2 is connected with the pipeline 1, the end part of the pipeline 1 enters the accommodating groove 5, because the accommodating groove 5 is arranged in an outward expansion shape, along with the gradual extension of the pipeline 1, the accommodating groove 5 clamps the end plate part of the pipe wall of the pipeline 1, so that the gap between the anticorrosive coating 6 at the end part of the pipeline 1 and the pipeline 1 is sealed, after the pipeline 1 is tightly matched with the accommodating groove 5, one end of the pipeline 1 is pressed against the fixing part 8, so that the first pressing part 9 and the second pressing part 10 respectively clamp the joint body 2 and the protective coating 3, so that the gap between the protective coating 3 at the end part of the joint body 2 and the joint body 2 is also sealed, the corrosion resistance of the utility model is improved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a corrosion-resistant stainless steel foundry goods of high accuracy which characterized in that: including connecting the body, connect this internal inoxidizing coating that is provided with, be provided with on the joint body and be used for with pipeline threaded connection's connecting portion, connecting portion and joint are provided with the storage tank with pipeline interference fit between the body, connect to be provided with between body and the pipeline to be used for sealed inoxidizing coating and connect the sealing member in the clearance between the body.
2. A high precision corrosion resistant stainless steel casting according to claim 1 wherein: the connecting part is connected with the pipeline through the matching of the internal thread on the connecting part and the external thread on the pipeline.
3. A high precision corrosion resistant stainless steel casting according to claim 2 wherein: and an inclined plane which is convenient for the pipeline to be inserted into the accommodating groove is arranged on one side of the accommodating groove opposite to the connecting part.
4. A high precision corrosion resistant stainless steel casting according to claim 3 wherein: the sealing element comprises a clamping part for clamping the protective layer and the joint body and a fixing part which is positioned in the accommodating groove and is tightly pressed by the pipeline.
5. A high accuracy corrosion resistant stainless steel casting according to claim 4 wherein: the clamping portion comprises a first pressing portion matched with the accommodating groove and a second pressing portion matched with the protective layer, the first pressing portion is connected with the fixing portion, and the first pressing portion and the second pressing portion are connected through a third pressing portion.
6. A high accuracy corrosion resistant stainless steel casting according to claim 5 wherein: the second pressing portion is provided with a folding edge which is bent towards the inside of the connector body.
7. A high accuracy corrosion resistant stainless steel casting according to claim 6 wherein: the folding edges are arranged in an arc shape.
8. A high accuracy corrosion resistant stainless steel casting according to claim 5 wherein: and the second pressing part is provided with a blocking structure.
9. A high accuracy corrosion resistant stainless steel casting according to claim 8, wherein: the blocking structure is provided with a filter screen.
10. A high precision corrosion resistant stainless steel casting according to claim 1 wherein: the connecting part is provided with a trimming edge which is convenient to be connected with a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122027830.1U CN215862156U (en) | 2021-08-26 | 2021-08-26 | High-precision corrosion-resistant stainless steel casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122027830.1U CN215862156U (en) | 2021-08-26 | 2021-08-26 | High-precision corrosion-resistant stainless steel casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215862156U true CN215862156U (en) | 2022-02-18 |
Family
ID=80242770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122027830.1U Active CN215862156U (en) | 2021-08-26 | 2021-08-26 | High-precision corrosion-resistant stainless steel casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215862156U (en) |
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2021
- 2021-08-26 CN CN202122027830.1U patent/CN215862156U/en active Active
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