CN210860166U - Steel-plastic adapter with steel end provided with loose flange - Google Patents
Steel-plastic adapter with steel end provided with loose flange Download PDFInfo
- Publication number
- CN210860166U CN210860166U CN201921853299.XU CN201921853299U CN210860166U CN 210860166 U CN210860166 U CN 210860166U CN 201921853299 U CN201921853299 U CN 201921853299U CN 210860166 U CN210860166 U CN 210860166U
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- Prior art keywords
- steel
- plastic
- metal sleeve
- side wall
- plastic tubing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 78
- 238000007789 sealing Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a steel is moulded crossover sub of loop flange is taken to steel end, it includes the tubular metal resonator, plastic tubing and loop flange, the both ends of tubular metal resonator are first end and second end respectively, be equipped with the flange of radial arrangement on the lateral wall of first end, the cover is equipped with the loop flange on the lateral wall of tubular metal resonator, the fixed plastic tubing that is equipped with on the inside wall of second end, fixed being equipped with first metal sleeve on the inside wall of plastic tubing, the fixed second metal sleeve that is equipped with on the inside wall of tubular metal resonator, second metal sleeve is located plastic tubing and first metal sleeve's end department, plastic tubing and first metal sleeve's end all offsets with the second metal sleeve, the internal diameter of second end diminishes from inside to outside gradually, the external diameter with tubular metal resonator connection one end of plastic tubing is from inside to outside grow gradually. Its purpose is in order to provide a steel and plastic crossover sub of steel end area loose flange, its simple structure just is difficult to throw off.
Description
Technical Field
The utility model relates to a pipe connection field especially relates to a crossover sub for connecting tubular metal resonator and plastic tubing.
Background
In the pipe connection field, can use a lot of attach fitting, what relate to pipeline branch and connect can use three way connection, four way connection etc. involve different material tube coupling, like being connected of tubular metal resonator and plastic tubing, can use steel to mould crossover sub. The existing steel-plastic conversion joint structure is complex and easy to separate.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a crossover sub is moulded to steel that steel end area lap-joint flange, its simple structure just is difficult to throw off.
The utility model relates to a steel is moulded crossover sub of loop flange is taken to steel end, including tubular metal resonator, plastic tubing and loop flange, the both ends of tubular metal resonator are first end and second end respectively, be equipped with the flange of radial arrangement on the lateral wall of first end, the cover is equipped with the loop flange on the lateral wall of tubular metal resonator, the fixed plastic tubing that is equipped with on the inside wall of second end, the fixed first metal sleeve that is equipped with on the inside wall of plastic tubing, the fixed second metal sleeve that is equipped with on the inside wall of tubular metal resonator, the second metal sleeve is located plastic tubing and first metal sleeve's end department, plastic tubing and first metal sleeve's end all offset with second metal sleeve, the internal diameter of second end diminishes from inside to outside gradually, the external diameter with tubular metal resonator connection one end of plastic tubing is from inside to outside grow gradually.
The utility model relates to a crossover sub is moulded to steel end band loop flange's steel, wherein be equipped with the annular arch of arranging along circumference on the inside wall of second end, be equipped with on the lateral wall of plastic tubing with the protruding assorted annular groove of annular.
The utility model relates to a crossover sub is moulded to steel end band loop flange's steel, wherein be equipped with the annular groove who arranges along circumference on the inside wall of second end, be equipped with on the lateral wall of plastic tubing with annular groove assorted annular is protruding.
The utility model relates to a crossover sub is moulded to steel end band loop flange's steel, wherein be equipped with a plurality of archs of arranging along circumference on the inside wall of second end, be equipped with on the lateral wall of plastic tubing with a plurality of recesses of protruding assorted.
The utility model relates to a crossover sub is moulded to steel end band loop flange's steel, wherein be equipped with a plurality of recesses of arranging along circumference on the inside wall of second end, be equipped with on the lateral wall of plastic tubing with a plurality of archs of recess assorted.
The utility model relates to a crossover sub is moulded to steel end belt loop flange's steel, wherein the port department that the first end of metal pipe was extended to from plastic tubing one end to second metal sleeve's lateral wall, the inside diameter of second metal sleeve is from plastic tubing one end to the port direction grow gradually of the first end of metal pipe.
The utility model relates to a crossover sub is moulded to steel end belt loop flange's steel, wherein be provided with the sealing washer between second end and the plastic tubing.
The utility model relates to a crossover sub is moulded to steel of steel end area loop flange is different with prior art lies in the utility model discloses a tubular metal resonator, plastic tubing and loop flange, the fixed centre gripping of plastic tubing is in the tubular metal resonator, between first metal sleeve and the second metal sleeve to the internal diameter of the second end of tubular metal resonator diminishes from inside to outside gradually, the external diameter of plastic tubing and tubular metal resonator connection one end grow gradually from inside to outside, can strengthen the anticreep power between plastic tubing and the tubular metal resonator like this, thereby make tubular metal resonator and plastic tubing be difficult to throw off, and crossover sub's overall structure is simpler.
The present invention will be further explained with reference to the accompanying drawings.
Drawings
FIG. 1 is a front cross-sectional view of a first embodiment of a steel-plastic crossover joint with a loop flange at a steel end of the utility model;
fig. 2 is a front cross-sectional view of a second embodiment of the steel-plastic crossover joint with a loop flange at the steel end of the utility model.
Detailed Description
Example one
As shown in figure 1, the steel-plastic adapter with a loop flange at the steel end of the utility model comprises a metal pipe 4, a plastic pipe 5 and a loop flange 2, wherein the two ends of the metal pipe 4 are respectively a first end and a second end, a flange 1 arranged radially is arranged on the outer side wall of the first end, the loop flange 2 is sleeved on the outer side wall of the metal pipe 4, the plastic pipe 5 is fixedly arranged on the inner side wall of the second end in an interference fit manner, a first metal sleeve 7 is fixedly arranged on the inner side wall of the plastic pipe 5 in the interference fit manner, a second metal sleeve 8 is fixedly arranged on the inner side wall of the metal pipe 4 in the interference fit manner, the second metal sleeve 8 is positioned at the end of the plastic pipe 5 and the first metal sleeve 7, the ends of the plastic pipe 5 and the first metal sleeve 7 are both abutted against the second metal sleeve 8, and the inner diameter of the second end is gradually reduced from inside to outside, the outer diameter of the end of the plastic pipe 5 connected with the metal pipe 4 is gradually increased from inside to outside.
As shown in fig. 1, in the present embodiment, the radial cross section of the second metal sleeve 8 is square.
The inner side wall of the second end is provided with an annular bulge 6 arranged along the circumferential direction, and the outer side wall of the plastic pipe 5 is provided with an annular groove matched with the annular bulge 6. Of course, the positions of the annular protrusion 6 and the annular groove can be exchanged, that is, the inner side wall of the second end is provided with the annular groove arranged along the circumferential direction, and the outer side wall of the plastic pipe 5 is provided with the annular protrusion matched with the annular groove. As shown in fig. 1, in the present embodiment, the number of the annular projection 6 and the annular groove are each set to two.
Besides the above-mentioned concave-convex matching manner between the metal tube 4 and the plastic tube 5, there may be a concave-convex matching manner: namely, the inner side wall of the second end is provided with a plurality of protrusions 9 arranged along the circumferential direction, and the outer side wall of the plastic pipe 5 is provided with a plurality of grooves matched with the protrusions 9. Of course, the positions of the protrusion 9 and the groove can be exchanged, that is, a plurality of grooves arranged along the circumferential direction are arranged on the inner side wall of the second end, and a plurality of protrusions matched with the grooves are arranged on the outer side wall of the plastic pipe 5.
In order to enhance the sealing performance of the crossover joint, a sealing ring 3 is arranged between the second end and the plastic tube 5.
The utility model discloses a tubular metal resonator 4, plastic tubing 5 and lap joint flange 2, the fixed centre gripping of plastic tubing 5 is in tubular metal resonator 4, between first metal sleeve 7 and the second metal sleeve 8, and the internal diameter of the second end of tubular metal resonator 4 diminishes from inside to outside gradually, the external diameter that is connected one end with tubular metal resonator 4 of plastic tubing 5 from inside to outside grow gradually, can strengthen the anticreep power between plastic tubing 5 and the tubular metal resonator 4 like this, thereby make tubular metal resonator 4 and plastic tubing 5 be difficult to throw off, and crossover sub's overall structure is simpler.
Example two
As shown in fig. 2, the present embodiment is different from the first embodiment in that: the radial cross-sectional shape of the second metal sleeve 8 is different from that of the first embodiment, specifically, the outer side wall of the second metal sleeve 8 extends from one end of the plastic tube 5 to the port of the first end of the metal tube 4, and the inner diameter of the second metal sleeve 8 gradually increases from one end of the plastic tube 5 to the port of the first end of the metal tube 4. That is, the inner side wall of the second metal sleeve 8 is flared.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a crossover sub is moulded to steel that steel end area lap-joint flange which characterized in that: including tubular metal resonator, plastic tubing and loop flange, the both ends of tubular metal resonator are first end and second end respectively, be equipped with the flange of radial arrangement on the lateral wall of first end, the cover is equipped with the loop flange on the lateral wall of tubular metal resonator, the fixed plastic tubing that is equipped with on the inside wall of second end, the fixed first metal sleeve that is equipped with on the inside wall of plastic tubing, the fixed second metal sleeve that is equipped with on the inside wall of tubular metal resonator, the second metal sleeve is located plastic tubing and first metal sleeve's end department, plastic tubing and first metal sleeve's end all offsets with the second metal sleeve, the internal diameter of second end diminishes from inside to outside gradually, the external diameter with tubular metal resonator connection one end of plastic tubing is from inside to outside grow gradually.
2. The steel-plastic crossover joint with a steel end provided with a loose flange according to claim 1, characterized in that: the plastic pipe is characterized in that an annular bulge arranged along the circumferential direction is arranged on the inner side wall of the second end, and an annular groove matched with the annular bulge is arranged on the outer side wall of the plastic pipe.
3. The steel-plastic crossover joint with a steel end provided with a loose flange according to claim 1, characterized in that: the plastic pipe is characterized in that an annular groove arranged along the circumferential direction is formed in the inner side wall of the second end, and an annular protrusion matched with the annular groove is formed in the outer side wall of the plastic pipe.
4. The steel-plastic crossover joint with a steel end provided with a loose flange according to claim 1, characterized in that: the plastic pipe is characterized in that a plurality of bulges arranged along the circumferential direction are arranged on the inner side wall of the second end, and a plurality of grooves matched with the bulges are arranged on the outer side wall of the plastic pipe.
5. The steel-plastic crossover joint with a steel end provided with a loose flange according to claim 1, characterized in that: the plastic pipe is characterized in that a plurality of grooves are circumferentially arranged on the inner side wall of the second end, and a plurality of bulges matched with the grooves are arranged on the outer side wall of the plastic pipe.
6. The steel-plastic crossover joint with a steel end provided with a loose flange according to claim 1, characterized in that: the outer side wall of the second metal sleeve extends from one end of the plastic pipe to a port of the first end of the metal pipe, and the inner diameter of the second metal sleeve is gradually increased from one end of the plastic pipe to the port of the first end of the metal pipe.
7. The steel-plastic crossover joint with steel end having a loose flange according to any one of claims 1 to 6, characterized in that: and a sealing ring is arranged between the second end and the plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853299.XU CN210860166U (en) | 2019-10-31 | 2019-10-31 | Steel-plastic adapter with steel end provided with loose flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853299.XU CN210860166U (en) | 2019-10-31 | 2019-10-31 | Steel-plastic adapter with steel end provided with loose flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210860166U true CN210860166U (en) | 2020-06-26 |
Family
ID=71300770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921853299.XU Expired - Fee Related CN210860166U (en) | 2019-10-31 | 2019-10-31 | Steel-plastic adapter with steel end provided with loose flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210860166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294173A (en) * | 2021-07-09 | 2021-08-24 | 中铁工程装备集团有限公司 | Shield segment connecting structure |
-
2019
- 2019-10-31 CN CN201921853299.XU patent/CN210860166U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294173A (en) * | 2021-07-09 | 2021-08-24 | 中铁工程装备集团有限公司 | Shield segment connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |