CN216280089U - Oil pipe structure with good sealing performance - Google Patents
Oil pipe structure with good sealing performance Download PDFInfo
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- CN216280089U CN216280089U CN202121464251.7U CN202121464251U CN216280089U CN 216280089 U CN216280089 U CN 216280089U CN 202121464251 U CN202121464251 U CN 202121464251U CN 216280089 U CN216280089 U CN 216280089U
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- Prior art keywords
- pipe
- oil pipe
- oil
- sealing
- tube
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model aims to provide an oil pipe structure with good sealing performance, which comprises an oil pipe main body and an oil pipe joint, wherein the oil pipe main body comprises an inner pipe and an outer pipe, the outer pipe is sleeved outside the inner pipe, the inner pipe and the outer pipe are coaxial, the oil pipe joint comprises a joint part and a connecting part which are integrally formed, the connecting part is fixedly connected with the inner pipe, the outer pipe comprises a sealing pipe and a protection pipe which are integrally formed, the sealing pipe and the protection pipe are coaxial, the inner diameter of the sealing pipe is consistent with the outer diameter of the inner pipe, the inner diameter of the protection pipe is smaller than the inner diameter of the sealing pipe, and the sealing pipe and the inner pipe are integrally formed by welding. According to the utility model, the sealing pipe and the protection pipe in the outer pipe are arranged, so that the strength and the sealing property of the oil pipe main body are improved.
Description
Technical Field
The utility model relates to the technical field of oil pipe structures, in particular to an oil pipe structure with good sealing performance.
Background
The high-pressure oil pipe is a component of a high-pressure oil circuit, the oil pipe is required to bear certain oil pressure and has certain fatigue strength, and the sealing requirement of a pipeline is ensured, the oil pipe is composed of a steel wire wound framework layer and inner and outer oil-resistant and corrosion-resistant synthetic rubbers, and the types of the oil pipe comprise a high-pressure steel wire woven rubber pipe, a high-pressure steel wire wound rubber pipe, a large-caliber high-pressure rubber pipe, a steel wire (fiber) reinforced nylon elastomer resin pipe, a steel wire reinforced soft pipe, an ultrahigh-pressure hose, a high-temperature-resistant hose, a polyurethane rubber pipe and the like.
At present, a chinese patent with an issued publication number of CN205955874U discloses an automobile oil return pipe with good sealing performance, which includes a first connection pipe, the first connection pipe is connected to a first corrugated pipe, the first corrugated pipe is connected to a straight pipe, the straight pipe is connected to a second corrugated pipe, the second corrugated pipe is connected to a second connection pipe, the second connection pipe is connected to an oil return pipe joint, the oil return pipe joint is provided with a first sealing groove, a first sealing ring is installed in the first sealing groove, the straight pipe is connected to a support block, an upper support groove is provided on the upper surface of the support block, and the upper support groove is connected to the side wall of the straight pipe; the supporting shoe lower surface has seted up the lower support recess, the limiting plate has been cup jointed outward to first connecting pipe, be located limiting plate one end seted up the sealed recess of second on the first connecting pipe lateral wall, install the second sealing washer in the sealed recess of second.
The above prior art solutions have the following drawbacks: the bulk strength of body is relatively poor, and only improves the gas tightness of body through the setting of sealing washer, and single structure, the effect is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil pipe structure with good sealing performance so as to solve the problems in the prior art.
The technical purpose of the utility model is realized by the following technical scheme:
an oil pipe structure with good sealing performance comprises an oil pipe main body and an oil pipe joint, wherein the oil pipe main body comprises an inner pipe and an outer pipe, the outer pipe is sleeved outside the inner pipe, the inner pipe and the outer pipe are coaxial, the oil pipe joint comprises a joint part and a connecting part which are integrally formed, and the connecting part is fixedly connected with the inner pipe;
in a further embodiment, the outer pipe comprises a sealing pipe and a protection pipe which are integrally formed, the sealing pipe and the protection pipe are coaxial, the inner diameter of the sealing pipe is consistent with the outer diameter of the inner pipe, the inner diameter of the protection pipe is smaller than the inner diameter of the sealing pipe, and the sealing pipe and the inner pipe are integrally formed through welding;
in a further embodiment, the inner wall of the protection tube is provided with an elastic block, the elastic block is in clearance fit with the inner wall of the protection tube, and the elastic block is fixedly connected with the inner tube;
in a further embodiment, a first groove is formed in the outer wall of one end, close to the connecting part, of the inner pipe, and a first sealing ring is arranged in the first groove;
in a further embodiment, the inner diameter of the connecting part is consistent with the outer diameter of the inner pipe, the outer diameter of the connecting part is consistent with the inner diameter of the outer pipe, a second groove is formed in the outer wall of the connecting part, and a second sealing ring is arranged in the second groove;
in a further embodiment, a buffer slide block is arranged at one end of the connecting part, which is far away from the joint part, one end of the buffer slide block is fixedly connected with the connecting part, the buffer slide block is in clearance fit with the outer pipe, and the buffer slide block is in clearance fit with the inner pipe;
in conclusion, the utility model has the following beneficial effects:
1. through the arrangement of the sealing pipe, the effects of preventing oil from flowing outwards when the inner pipe is broken and improving the sealing performance of the oil pipe main body can be achieved;
2. through the arrangement of the elastic block in the protection tube, the heat dissipation performance of the oil tube main body can be improved, and the effects of protecting the outer tube and improving the strength and the sealing performance of the oil tube main body when the inner tube is broken are achieved;
3. through the setting of first sealing washer and second sealing washer, can play the effect that improves the leakproofness of the junction of oil pipe main part and oil pipe joint.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a half-section structure of the present invention.
In the figure, 1, an oil pipe body; 2. an oil pipe joint; 11. an inner tube; 12. an outer tube; 21. a joint portion; 22. a connecting portion; 121. a sealing tube; 122. protecting the tube; 123. an elastic block; 111. a first groove; 112. a first seal ring; 221. a second groove; 222. a second seal ring; 223. and a buffer slide block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in fig. 1, the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a particular component geometry, respectively, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present specification, "plurality" means two or more unless the direction of the center is specifically defined otherwise.
Example 1:
as shown in fig. 1-2, a tubing structure with good sealing performance comprises a tubing main body 1 and a tubing joint 2, and is characterized in that: the oil pipe main body 1 comprises an inner pipe 11 and an outer pipe 12, the outer pipe 12 is sleeved outside the inner pipe 11, the inner pipe 11 and the outer pipe 12 are coaxial, the oil pipe joint 2 comprises a joint part 21 and a connecting part 22 which are integrally formed, and the connecting part 22 is fixedly connected with the inner pipe 11;
the oil pipe joint 2 is fixedly connected with the oil pipe main body 1 in a welding mode on the whole, wherein a connecting part 22 in the oil pipe joint 2 is integrated with an inner pipe 11 in the oil pipe main body 1 in a welding mode, and the connecting part 22 in the oil pipe joint 2 is integrated with an outer pipe 12 in the oil pipe main body 1 in a welding mode; the welding mode ensures the air tightness and the water tightness of the joint of the oil pipe joint 2 and the oil pipe main body 1, and the welding structure is simple, so that the strength of the joint of the oil pipe main body 1 and the oil pipe joint 2 is higher, the working strength of connecting the oil pipe joint 2 and the oil pipe main body 1 is reduced, and the durability of the oil pipe is improved;
the outer tube 12 comprises a sealing tube 121 and a protection tube 122 which are integrally formed, the sealing tube 121 and the protection tube 122 are coaxial, the inner diameter of the sealing tube 121 is consistent with the outer diameter of the inner tube 11, the inner diameter of the protection tube 122 is smaller than that of the sealing tube 121, and the sealing tube 121 and the inner tube 11 are integrally formed through welding;
the sealing tube 121 is sleeved outside the inner tube 11, and when the inner tube 11 leaks or bursts, the sealing tube 121 can prevent oil from flowing out of the oil tube main body 1, so that the sealing performance of the oil tube is improved;
the inner wall of the protection tube 122 is provided with an elastic block 123, the elastic block 123 is in clearance fit with the inner wall of the protection tube 122, and the elastic block 123 is fixedly connected with the inner tube 11;
a plurality of elastic blocks 123 are fixedly installed on the inner wall of the protection tube 122, and an even interval is arranged between each elastic block 123, and the elastic blocks 123 cooperate together to play the following effects:
firstly, in the working process of the oil pipe, the temperature of oil in the inner pipe 11 of the oil pipe main body 1 is high, at the moment, heat transfer and heat dissipation need to be carried out on the oil pipe, the elastic block 123 fixedly installed on the inner wall of the protection pipe 122 expands after being heated, and the elastic block 123 is filled in the whole protection pipe 122, so that the elastic block 123 can conduct heat generated in the inner pipe 11 to the outer pipe 12, and the heat dissipation process of the whole oil pipe main body 1 is completed through the outer pipe 12;
secondly, in the working process of the oil pipe, because the oil pipe joint 2 is often required to contact a high-pressure oil pump or an oil spraying machine, the high-pressure oil pump and the oil spraying machine can generate large vibration in the working process, so that the oil pipe joint 2 and the oil pipe main body 1 are easily subjected to large abnormal vibration, and the joint of the oil pipe joint 2 and the oil pipe main body 1 is damaged;
the elastic block 123 improves the strength of the oil pipe main body 1, enhances the durability of the outer pipe 12 and improves the sealing performance of the oil pipe main body 1 in a heat conduction and buffering mode;
the outer wall of one end of the inner tube 11 close to the connecting part 22 is provided with a first groove 111, and a first sealing ring 112 is arranged in the first groove 111;
the inner diameter of the connecting part 22 is consistent with the outer diameter of the inner tube 11, the outer diameter of the connecting part 22 is consistent with the inner diameter of the outer tube 12, a second groove 221 is formed in the outer wall of the connecting part 22, and a second sealing ring 222 is arranged in the second groove 221;
the arrangement of the first sealing ring 112 and the second sealing ring 222 is used for ensuring the sealing performance of the protection tube 122 in the outer tube 12, and not only adopts a welding connection mode, but also arranges the first sealing ring 112 and the second sealing ring 222, so that the sealing performance of the connection part of the oil tube main body 1 and the oil tube joint 2 is greatly enhanced;
one end of the connecting part 22, which is far away from the joint part 21, is provided with a buffer slide block 223, one end of the buffer slide block 223 is fixedly connected with the connecting part 22, the buffer slide block 223 is in clearance fit with the outer tube 12, and the buffer slide block 223 is in clearance fit with the inner tube 11;
the buffer sliding block 223 can slide along the inner wall of the protection tube 122, and in the connection process of the oil pipe joint 2 and the oil pipe main body 1, or in the connection process of the oil pipe joint 2 and other working elements, the buffer sliding block 223 can play a role in buffering, and meanwhile, when the elastic block 123 is deformed due to thermal expansion, or when the inner tube 11 bursts, the buffer sliding block 223 can also play a role in protecting the connection part 22.
The specific implementation process comprises the following steps: in the working process of the oil pipe, the outer pipe 12 in the oil pipe main body 1 is sleeved outside the inner pipe 11, the inner diameter of the sealing pipe 121 in the outer pipe 12 is the same as the outer diameter of the inner pipe 11, when the inner pipe 11 leaks or bursts, the sealing pipe 121 can prevent oil from flowing out of the oil pipe main body 1, so that the sealing performance of the inner pipe 11 is improved, meanwhile, the elastic block 123 can play a role in buffering and protecting the outer pipe 12, in addition, when the temperature in the inner pipe 11 is too high, the elastic block 123 can play a role in heat transfer after being heated and expanded, therefore, the elastic block 123 improves the strength of the outer pipe 12 through the functions of heat conduction and protection of the outer pipe 12, the durability of the outer pipe 12 is enhanced, and the sealing performance of the oil pipe main body 1 is improved; the first sealing ring 112 and the second sealing ring 222 ensure the sealing performance of the protection tube 122 in the outer tube 12, the whole connection mode of the oil tube main body 1 and the oil tube joint 2 adopts a welding connection mode, and meanwhile, the first sealing ring 112 and the second sealing ring 222 are also arranged, so that the sealing performance of the joint of the oil tube main body 1 and the oil tube joint 2 is greatly enhanced.
In the embodiments of the present disclosure, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the disclosed embodiments of the utility model can be understood by those of ordinary skill in the art as appropriate.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an oil pipe structure that leakproofness is good, includes oil pipe main part (1) and oil pipe joint (2), its characterized in that: the oil pipe comprises an oil pipe body (1) and an oil pipe joint, wherein the oil pipe joint comprises an inner pipe (11) and an outer pipe (12), the outer pipe (12) is sleeved outside the inner pipe (11), the inner pipe (11) and the outer pipe (12) are coaxial, the oil pipe joint (2) comprises a joint part (21) and a connecting part (22) which are integrally formed, and the connecting part (22) is fixedly connected with the inner pipe (11).
2. The oil pipe structure with good sealing performance as claimed in claim 1, wherein: the outer pipe (12) comprises a sealing pipe (121) and a protection pipe (122) which are integrally formed, the sealing pipe (121) and the protection pipe (122) are coaxial, the inner diameter of the sealing pipe (121) is consistent with the outer diameter of the inner pipe (11), the inner diameter of the protection pipe (122) is smaller than the inner diameter of the sealing pipe (121), and the sealing pipe (121) and the inner pipe (11) are integrally formed through welding.
3. The oil pipe structure with good sealing performance as claimed in claim 2, wherein: the inner wall of protection tube (122) is provided with elasticity piece (123), elasticity piece (123) with the inner wall clearance fit of protection tube (122), elasticity piece (123) with inner tube (11) fixed connection.
4. The oil pipe structure with good sealing performance as claimed in claim 1, wherein: the outer wall of one end, close to the connecting part (22), of the inner pipe (11) is provided with a first groove (111), and a first sealing ring (112) is arranged in the first groove (111).
5. The oil pipe structure with good sealing performance as claimed in claim 1, wherein: the inner diameter of the connecting portion (22) is consistent with the outer diameter of the inner tube (11), the outer diameter of the connecting portion (22) is consistent with the inner diameter of the outer tube (12), a second groove (221) is formed in the outer wall of the connecting portion (22), and a second sealing ring (222) is arranged in the second groove (221).
6. The oil pipe structure with good sealing performance as claimed in claim 5, wherein: one end, far away from joint portion (21), of connecting portion (22) is provided with buffering slider (223), the one end of buffering slider (223) with connecting portion (22) fixed connection, buffering slider (223) with outer tube (12) clearance fit, buffering slider (223) with inner tube (11) clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464251.7U CN216280089U (en) | 2021-06-30 | 2021-06-30 | Oil pipe structure with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464251.7U CN216280089U (en) | 2021-06-30 | 2021-06-30 | Oil pipe structure with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216280089U true CN216280089U (en) | 2022-04-12 |
Family
ID=81059508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121464251.7U Expired - Fee Related CN216280089U (en) | 2021-06-30 | 2021-06-30 | Oil pipe structure with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216280089U (en) |
-
2021
- 2021-06-30 CN CN202121464251.7U patent/CN216280089U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20220412 |