CN214248694U - Valve expansion piece lined with anti-corrosion rubber - Google Patents
Valve expansion piece lined with anti-corrosion rubber Download PDFInfo
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- CN214248694U CN214248694U CN202120014498.2U CN202120014498U CN214248694U CN 214248694 U CN214248694 U CN 214248694U CN 202120014498 U CN202120014498 U CN 202120014498U CN 214248694 U CN214248694 U CN 214248694U
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Abstract
The utility model discloses a valve expansion bend of inside lining anti-corrosive rubber, include: metal body, metal sleeve, metal pressure disk, inside lining anticorrosive rubber, pressure disk bolt and rubber seal, inside lining anticorrosive rubber is located whole metal body's internal layer, it is originally internal that metal sleeve inserts the metal, be provided with fit clearance between metal body, the metal sleeve, rubber seal is located the fit clearance department between metal pressure disk and the metal body, and metal sleeve's internal surface and the equal cladding of the sealed face of rubber have inside lining anticorrosive rubber. In this way, the utility model provides an expansion piece can absorb the size change that the pipeline produced because of expend with heat and contract with cold, when the pipeline is heated elongation, can automatic compression, can keep sealed water-tight again, when the pipeline is heated cold and shortens, can extend automatically, prevents that the pipeline from shortening the back, causes connecting bolt to break, and pump valve broke the scheduling problem, the protection pipeline, when flexible simultaneously, automatically regulated need not the manual work and interferes, saves artifically.
Description
Technical Field
The utility model relates to a valve expansion bend especially relates to a valve expansion bend of inside lining anti-corrosive rubber.
Background
The expansion device is also called an expansion joint, a compensator and an expansion joint, has large expansion amount, high bearing temperature and strong force of a pressed area, can axially expand in a certain range, and overcomes various angular displacements, decentration, expansion and expansion of a pipeline. The pipeline can freely stretch out and draw back in the expansion bend, once surpassing the biggest flexible volume and itself playing limiting displacement. Thereby ensuring the safe operation of the pipeline. The product provides great convenience for the installation, disassembly and replacement of various water supply and drainage pipelines, water towers, water pumps, water meters and valves, and plays a good role in adjusting the long-distance pipelines due to temperature difference expansion.
Because of its good comprehensive performance, it is widely used in basic engineering of chemical industry, building, water supply, drainage, petroleum, light and heavy industries, refrigeration, sanitation, water heating, fire fighting and electric power.
The installation length of product both ends or flange has been adjusted well during the expansion bend installation, and gland nut is evenly screwed up to the diagonal angle, and adjusting stop nut has just so let the pipeline can freely stretch out and draw back in flexible volume within range, and the volume of locking is flexible, ensures the safe operation of pipeline.
The existing expansion piece cannot automatically expand and contract due to the size change of a pipeline caused by expansion with heat and contraction with cold in the use process, so that the expansion piece is very inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who mainly solves how to provide one kind can absorb the pipeline because of the dimensional change that expend with heat and contract with cold produced, when the pipeline is heated elongation, can automatic compression, can keep sealed water-tight again, when the pipeline is heated cold and shortens, can extend automatically, prevent that the pipeline from shortening the back, cause connecting bolt to break, pump valve bad scheduling problem, the protection pipeline is when flexible simultaneously, is automatically regulated completely, need not artificial interference, saves artificial inside lining anti-corrosion rubber's valve expansion bend.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a valve expansion bend of inside lining anticorrosive rubber, includes: the metal body, the metal sleeve, the metal pressure plate, the lining anti-corrosion rubber, the pressure plate bolt and the rubber sealing ring, wherein the lining anti-corrosion rubber is positioned on the inner surface layer of the whole metal body, the metal pressure plate is detachably connected with the metal body into a whole through the pressure plate bolt, the metal sleeve is inserted into the metal body, a fit clearance is formed between the metal body and the metal sleeve, the rubber sealing ring is positioned at the fit clearance between the metal pressure plate and the metal body, and the metal sleeve, the metal pressure plate and the metal body are sequentially arranged at the joint of the metal sleeve, the metal pressure plate and the metal body from inside to outside; the telescopic device of the lining anti-corrosion rubber for the valve further comprises a limiting screw rod and an adjusting nut, the limiting screw rod is located on the outer surface of the metal body, the adjusting nut is nested on the limiting screw rod and used for adjusting the position of the metal pressure plate relative to the metal body, the end face of the metal sleeve is a rubber sealing face, and the inner surface of the metal sleeve and the rubber sealing face are both coated with the lining anti-corrosion rubber.
In a preferred embodiment, the thickness of the lining anticorrosion rubber is 1-20 mm.
In a preferred embodiment, the thickness of the lining anti-corrosive rubber is 15 mm.
In a preferred embodiment, the thickness of the fit clearance between the metal body and the metal sleeve is 2-40 mm.
In a preferred embodiment, the thickness of the fitting clearance between the metal body and the metal sleeve is 30 mm.
In a preferred embodiment, the rubber sealing surface is a flange sealing surface.
In a preferred embodiment, the connection between the flange sealing surfaces is a bolted connection.
The utility model has the advantages that: can absorb the pipeline because of the dimensional change that expend with heat and contract with cold produced, when the pipeline is heated and extends, can automatic compression, can keep sealed leak-tight again, when the pipeline is cooled and shortens, can automatic extension, prevent that the pipeline from shortening the back, cause connecting bolt to break, pump valve draws bad scheduling problem, and the protection pipeline is simultaneously when flexible, and automatic adjustment need not artificial interference completely, saves the manual work.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural view of an embodiment of the valve expansion piece lined with anti-corrosive rubber of the present invention;
FIG. 2 is a diagram showing a state of use of an embodiment of the valve retractor lined with anti-corrosive rubber of the present invention;
the various references in the drawings are: 1. lining with anticorrosive rubber; 2. a metal body; 3. a limiting screw rod; 4. adjusting the nut; 5. a platen bolt; 6. a rubber seal ring; 7. a metal platen; 8. a metal sleeve; 9. a rubber sealing surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a valve expansion device lined with anti-corrosive rubber, which includes the following embodiments.
Example 1
A valve retractor lined with anti-corrosive rubber comprises: metal body 2, metal sleeve 8, metal pressure disk 7, inside lining anticorrosive rubber 1, pressure disk bolt 5 and rubber seal 6. The lining anti-corrosion rubber 1 is located on the inner surface layer of the whole metal body 2, the metal pressure plate 7 is detachably connected with the metal body 2 through a pressure plate bolt 5 to form a whole, the metal sleeve 8 is inserted into the metal body 2, a fit clearance is arranged between the metal body 2 and the metal sleeve 8, the rubber sealing ring 6 is located in the fit clearance between the metal pressure plate 7 and the metal body 2, and the metal sleeve 8, the metal pressure plate 7 and the metal body 2 are sequentially arranged at the joint of the metal sleeve 8, the metal pressure plate 7 and the metal body 2 from inside to outside. The telescopic device of the lining anti-corrosion rubber for the valve further comprises a limiting screw rod 3 and an adjusting nut 4, the limiting screw rod 3 is located on the outer surface of the metal body 2, the adjusting nut 4 is nested on the limiting screw rod 3 and used for adjusting the position of the metal pressure plate 7 relative to the metal body 2, the end face of the metal sleeve 8 is a rubber sealing face 9, and the inner surface of the metal sleeve 8 and the rubber sealing face 9 are both coated with the lining anti-corrosion rubber 1. The rubber sealing surface 9 is a flange sealing surface. The connection mode between the flange sealing surfaces is bolt connection. Preferably, the thickness of the lining anti-corrosion rubber 1 is 1-20mm, and the thickness of the fit clearance between the metal body 2 and the metal sleeve 8 is 2-40 mm.
Example 2
A valve retractor lined with anti-corrosive rubber comprises: metal body 2, metal sleeve 8, metal pressure disk 7, inside lining anticorrosive rubber 1, pressure disk bolt 5 and rubber seal 6. The lining anti-corrosion rubber 1 is located on the inner surface layer of the whole metal body 2, the metal pressure plate 7 is detachably connected with the metal body 2 through a pressure plate bolt 5 to form a whole, the metal sleeve 8 is inserted into the metal body 2, a fit clearance is arranged between the metal body 2 and the metal sleeve 8, the rubber sealing ring 6 is located in the fit clearance between the metal pressure plate 7 and the metal body 2, and the metal sleeve 8, the metal pressure plate 7 and the metal body 2 are sequentially arranged at the joint of the metal sleeve 8, the metal pressure plate 7 and the metal body 2 from inside to outside. The telescopic device of the lining anti-corrosion rubber for the valve further comprises a limiting screw rod 3 and an adjusting nut 4, the limiting screw rod 3 is located on the outer surface of the metal body 2, the adjusting nut 4 is nested on the limiting screw rod 3 and used for adjusting the position of the metal pressure plate 7 relative to the metal body 2, the end face of the metal sleeve 8 is a rubber sealing face 9, and the inner surface of the metal sleeve 8 and the rubber sealing face 9 are both coated with the lining anti-corrosion rubber 1. The rubber sealing surface 9 is a flange sealing surface. The connection mode between the flange sealing surfaces is bolt connection. Preferably, the thickness of the lining anti-corrosion rubber 1 is 15mm, and the thickness of the fit clearance between the metal body 2 and the metal sleeve 8 is 30 mm.
Example 3
A valve expansion piece lined with anti-corrosion rubber is composed of a metal body 2, a limiting screw rod 3, an adjusting nut 4, a pressure plate bolt 5, a rubber sealing ring 6, a metal pressure plate 7 and a metal sleeve 8. The inner surfaces of the metal body 2 and the metal sleeve 4 are provided with lining anticorrosive rubber 1 which is mainly used for connecting pipeline equipment such as a pump valve and the like, so that the equipment is convenient to install, disassemble and maintain.
The utility model discloses a design can absorb the size change that the pipeline produced because of expend with heat and contract with cold:
a: when the pipeline is heated and elongated, the pipeline can be automatically compressed and can keep sealed and watertight;
b: when the pipeline is cooled and shortened, the pipeline can be automatically stretched, so that the problems of the breakage of a connecting bolt, the breakage of a pump valve and the like caused by the shortening of the pipeline are prevented, and the pipeline is protected;
c: when the telescopic device is stretched, the telescopic device is completely automatically adjusted, manual interference is not needed, and labor is saved.
The utility model discloses an expansion bend mainly adopts inside lining anticorrosive rubber 1 structure, and through the heating vulcanization mode at metal body 2, 8 inner walls of metal sleeve, inside lining 1-20 mm's anticorrosive rubber layer 1 solves former metal construction expansion bend and causes the corruption in the use, and the phenomenon of damaging improves product life, prevents that the product from producing the corrosion, pollutes the water source, reduces the maintenance and changes the number of times, reduces use cost. And the inner wall metal surface and the flange sealing surface are coated by the lining anti-corrosion rubber layer 1, so that a rubber sealing gasket is not required to be purchased additionally during installation and use, the cost is saved, and the installation is convenient.
The utility model discloses a major function part is inside lining anticorrosive rubber 1, when designing metal body 2, 8 fit clearance of metal sleeve, needs to increase fit clearance 2-40mm according to inside lining anticorrosive rubber 1's thickness to metal sleeve 8 can normally stretch out and draw back the use. The structure is telescopic structure, and metal sleeve 8 inserts in 2 intraductals of metal body, and after adjusting installation length, then screws up pressure disk bolt diagonal angle, and the extension compression displacement of pipeline is adjusted to adjusting nut 4. The flange sealing surfaces are rubber sealing surfaces 9, the two rubber sealing surfaces 9 are connected in a flange mode, flanges at two ends are connected with flanges of the other pipeline through bolts, and nuts are screwed tightly to prevent water leakage.
Therefore, the utility model has the advantages of it is following:
(1) the size change of the pipeline caused by expansion with heat and contraction with cold can be absorbed, the pipeline can be automatically compressed when being heated and extended, and can keep sealing and water leakage, the pipeline can be automatically extended when being cooled and shortened, the problems that a connecting bolt is broken after the pipeline is shortened, a pump valve is broken and the like are prevented, the pipeline is protected, and meanwhile, the pipeline is completely automatically adjusted during expansion and contraction, manual interference is not needed, and manpower is saved;
(2) when the installation is used, need not to purchase the sealed pad of rubber in addition, practice thrift the cost, simple to operate.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a valve expansion bend of anticorrosive rubber of inside lining which characterized in that includes: a metal body (2), a metal sleeve (8), a metal pressure plate (7), lining anti-corrosive rubber (1), a pressure plate bolt (5) and a rubber sealing ring (6), the lining anti-corrosion rubber (1) is positioned on the inner surface layer of the whole metal body (2), the metal pressure plate (7) is detachably connected with the metal body (2) into a whole through a pressure plate bolt (5), the metal sleeve (8) is inserted into the metal body (2), a fit clearance is arranged between the metal body (2) and the metal sleeve (8), the rubber sealing ring (6) is positioned at the matching gap between the metal pressure plate (7) and the metal body (2), the metal sleeve (8), the metal pressure plate (7) and the metal body (2) are sequentially arranged at the connecting part of the metal sleeve (8), the metal pressure plate (7) and the metal body (2) from inside to outside;
the telescopic device of the lining anti-corrosion rubber for the valve further comprises a limiting screw rod (3) and an adjusting nut (4), the limiting screw rod (3) is located on the outer surface of the metal body (2), the adjusting nut (4) is nested on the limiting screw rod (3) and used for adjusting the position of the metal pressure plate (7) relative to the metal body (2), the end face of the metal sleeve (8) is a rubber sealing face (9), and the inner surface of the metal sleeve (8) and the rubber sealing face (9) are both coated with the lining anti-corrosion rubber (1).
2. The valve retractor of claim 1 wherein the thickness of the lining rubber (1) is 1-20 mm.
3. The valve retractor of claim 1 wherein the thickness of the lining rubber (1) is 15 mm.
4. The valve expansion piece lined with anticorrosive rubber according to claim 1, wherein the thickness of the fit clearance between the metal body (2) and the metal sleeve (8) is 2-40 mm.
5. The valve expansion piece lined with anticorrosive rubber according to claim 1, wherein the thickness of the fit clearance between the metal body (2) and the metal sleeve (8) is 30 mm.
6. The anticorrosive rubber-lined valve retractor according to claim 1, wherein the rubber seal surface (9) is a flange seal surface.
7. The valve retractor of claim 6 wherein the flange seal surfaces are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120014498.2U CN214248694U (en) | 2021-01-05 | 2021-01-05 | Valve expansion piece lined with anti-corrosion rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120014498.2U CN214248694U (en) | 2021-01-05 | 2021-01-05 | Valve expansion piece lined with anti-corrosion rubber |
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| Publication Number | Publication Date |
|---|---|
| CN214248694U true CN214248694U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120014498.2U Active CN214248694U (en) | 2021-01-05 | 2021-01-05 | Valve expansion piece lined with anti-corrosion rubber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352254A (en) * | 2022-03-18 | 2022-04-15 | 中石化西南石油工程有限公司 | Large-drift-diameter high-pressure manifold telescopic short joint for fracturing construction |
-
2021
- 2021-01-05 CN CN202120014498.2U patent/CN214248694U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352254A (en) * | 2022-03-18 | 2022-04-15 | 中石化西南石油工程有限公司 | Large-drift-diameter high-pressure manifold telescopic short joint for fracturing construction |
| CN114352254B (en) * | 2022-03-18 | 2022-06-28 | 中石化西南石油工程有限公司 | Fracturing construction large-drift-diameter high-pressure manifold telescopic short joint |
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