CN213271457U - Self-locking and self-sealing oil pipe - Google Patents
Self-locking and self-sealing oil pipe Download PDFInfo
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- CN213271457U CN213271457U CN202021454153.0U CN202021454153U CN213271457U CN 213271457 U CN213271457 U CN 213271457U CN 202021454153 U CN202021454153 U CN 202021454153U CN 213271457 U CN213271457 U CN 213271457U
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Abstract
The utility model discloses a auto-lock is from sealed oil pipe, including the pipe shaft portion that is the tube-shape, from the recess that the one end of pipe shaft portion formed to the other end is sunken along the axial, and from the other end of pipe shaft portion is to keeping away from the protruding piece that the recess direction extends, protruding piece with recess matched stack, protruding piece includes this body portion and follows the circumference parcel of this body portion the coating of this body portion, the material of coating is the composite material that expands by drawing. Compared with the prior art, the utility model provides a self-locking is from sealed oil pipe, fixed connection is stable and installation operation is simple and convenient, sealed effectual.
Description
Technical Field
The utility model relates to an engineering machine tool accessory technical field especially relates to a auto-lock self sealss oil pipe.
Background
The pipeline transportation is the most economical and reasonable transportation mode for hydraulic oil transportation. The pipeline transports hydraulic oil, and the connected mode between the oil pipe adopts the tubing coupling to connect usually, adopts both ends to have the internal thread tubing coupling promptly, and the cooperation has the oil pipe of external screw thread, in with the internal thread of tubing screw in coupling during the use to this forms the continuous transportation pipeline of oil, realizes the continuous transportation of oil.
However, in the oil pipe connection mode in the prior art, on one hand, the installation and operation are complicated, manpower, material resources and time are consumed, and the cost is high; on the other hand, in the mode of connecting and fixing the two oil pipes through the coupling, the sealing of the connecting and fixing mode mainly depends on the threads at the two ends of the oil pipe, namely, the distance between the thread crest and the thread bottom of the oil pipe is gradually reduced until the thread crest and the thread bottom are contacted and interfered, so that the side face opposite to the thread form of the oil pipe and the cambered surface of the thread crest and the thread bottom piece are extruded to form extrusion sealing.
Therefore, it is necessary to provide a new self-locking self-sealing oil pipe with stable fixed connection, simple installation and operation, and good sealing effect to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a new fixed connection is stable and installation easy and simple to handle, sealed effectual auto-lock self-sealing oil pipe.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the self-locking self-sealing oil pipe comprises a cylindrical pipe body part, a groove formed by axially recessing one end of the pipe body part to the other end of the pipe body part, and a protruding block extending from the other end of the pipe body part to the direction far away from the groove, wherein the protruding block is matched with the groove, the protruding block comprises a body part and a coating layer wrapping the body part along the circumferential direction of the body part, and the coating layer is made of a composite material with tensile expansion.
Preferably, the pipe body part comprises a first surface provided with the groove and a second surface provided with the protruding block, the self-locking self-sealing oil pipe further comprises an elastic sealing ring arranged along the circumferential direction of the protruding block, and the elastic sealing ring is fixedly arranged on the second surface.
Preferably, the elastic sealing ring comprises a first sealing ring arranged on the inner wall side of the protruding block and a second sealing ring arranged on the outer wall side of the protruding block, and the first sealing ring and the second sealing ring are coaxially arranged and have the same thickness.
Preferably, the sum of the depth of the groove and the thickness of the elastic sealing ring is not less than the extension length of the convex block.
Preferably, the depth of the groove is 10cm, the thickness of the elastic sealing ring is 3cm, and the extension length of the convex block is 12 cm.
Preferably, the body portion includes a first extending section extending from the second surface in a direction away from the first surface, and a second extending section extending from the first extending section continuously in a direction away from the first surface, and a cross-sectional area of the second extending section gradually decreases along an extending direction of the second extending section.
Preferably, the axis of the tube body is a straight line, a broken line or a curved line.
In summary, compared with the prior art, the self-locking self-sealing oil pipe provided by the utility model has the advantages that the coating layer made of the material conforming to the tension expansion is arranged on the body part in the circumferential direction, so that the convex block has the tension expansion property, the convex block and the groove form a matching structure and then are not easy to be drawn out, and the strength of the connecting structure of the self-locking self-sealing oil pipe is enhanced; through set up with second fixed surface's elastic sealing circle, two among the auto-lock from sealed oil pipe's connection structure, to the insertion end the auto-lock is applied the resilience force from sealed oil pipe, and the cooperation material accords with the material for the auxetic coating layer has further strengthened two auto-lock from sealed oil pipe's connection fastening effect has further reduced the risk of sealed inefficacy.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a self-locking and self-sealing oil pipe provided by the present invention;
fig. 2 is the connection structure schematic diagram of the self-locking self-sealing oil pipe provided by the utility model.
In the figure, 100 self-locking self-sealing oil pipes; 10. a body portion; 11. a first surface; 12. a second surface; 20. a groove; 21. the bottom of the tank; 22. an inner sidewall; 23. an outer sidewall; 30. a raised block; 31. a body portion; 311. a first extension section; 312. a second extension section; 32. a coating layer; 40. an elastic sealing ring; 41. a first seal ring; 42. a second seal ring; 101. and a hydraulic oil passage.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. The following experimental examples and examples are intended to further illustrate but not limit the invention.
Please refer to fig. 1 and fig. 2 in combination, the present invention provides a self-locking and self-sealing oil pipe 100, wherein the self-locking and self-sealing oil pipe 100 includes a tubular pipe body 10, a groove 20 formed by axially recessing one end of the pipe body 10 to the other end, a protruding block 30 extending from the other end of the pipe body 10 to the direction far away from the groove 20, and an elastic sealing ring 40 disposed along the circumferential direction of the protruding block. The convex blocks 30 are matched with the grooves 20, in a transport pipeline of hydraulic oil, the self-locking self-sealing oil pipes 100 are connected end to end, and the convex blocks 30 are inserted into the grooves 20 to realize the connection and fixation of the self-locking self-sealing oil pipes 100.
The body portion 10 includes a first surface 11 provided with the grooves 20 and a second surface 12 provided with the bumps. The elastic sealing ring 40 is fixedly arranged on the second surface 12.
Preferably, the axis of the pipe body 10 may be a straight line, a broken line or a curved line to adapt to different installation environments.
The groove 20 comprises a groove bottom 21, an inner side wall 22 and an outer side wall 23, the inner side wall 22 encloses a hydraulic oil channel 101 of the self-locking self-sealing oil pipe 100, and hydraulic oil flows and transports in the hydraulic oil channel 101 in the using process. When connecting two self-locking self-sealing oil pipes 100, the inner side wall 22 and the outer side wall 23 are both in butt contact with the convex block 30, and the convex block 30 is in interference fit with the inner side wall 22 and the outer side wall 23.
The bump 30 includes a body 31 and a coating layer 32 wrapping the body 31 along a circumferential direction of the body 31. Wherein, the material of the coating layer 32 is an auxetic composite material. By arranging the coating layer 32 on the outer side of the body part 31 and limiting the material of the coating layer 32 to be an auxetic composite material, the bulge block 30 has auxicity, and the connection fixing strength of the bulge block 30 and the groove 20 is enhanced.
Preferably, the main body 31 includes a first extending section 311 extending from the second surface 12 in a direction away from the first surface 11, and a second extending section 312 extending from the first extending section 311 in a direction away from the first surface 11. Wherein the cross-sectional area of the second extension section 312 is gradually reduced along the extension direction of the second extension section 312. In this way, excessive friction can be avoided during the installation process of the self-locking self-sealing oil pipe 100, and the coating layer 32 can be effectively protected.
The elastic seal ring 40 includes a first seal ring 41 provided on the inner wall side of the protrusion block 30 and a second seal ring 42 provided on the outer wall side of the protrusion block 30. The first sealing ring 41 and the second sealing ring 42 are coaxially arranged and have the same thickness.
Specifically, the sum of the depth of the groove 20 and the thickness of the elastic sealing ring 40 is not less than the extension length of the convex block 30. Preferably, in the present embodiment, the depth of the groove 20 is 10cm, the thickness of the elastic sealing ring 40 is 3cm, and the extension length of the protruding block 30 is 12 cm. In this way, after the protrusion block 30 of one self-locking self-sealing oil pipe 100 is inserted into the groove 20 of another self-locking self-sealing oil pipe 100, the elastic sealing ring 40 exerts resilience on the self-locking self-sealing oil pipe 100 at the insertion end while ensuring the sealing performance, and the coating layer 32 made of the material conforming to the tensile expansion is used as the matching material, so that the connection fastening effect of the two self-locking self-sealing oil pipes 100 is further enhanced, and the risk of sealing failure is further reduced.
Compared with the prior art, the self-locking self-sealing oil pipe provided by the utility model has the advantages that the coating layer made of the material conforming to the expansion material is arranged in the circumferential direction of the body part, so that the convex block has the expansion property, the convex block and the groove form a matching structure and then are not easy to be drawn out, and the strength of the connecting structure of the self-locking self-sealing oil pipe is enhanced; through set up with second fixed surface's elastic sealing circle, two among the auto-lock from sealed oil pipe's connection structure, to the insertion end the auto-lock is applied the resilience force from sealed oil pipe, and the cooperation material accords with the material for the auxetic coating layer has further strengthened two auto-lock from sealed oil pipe's connection fastening effect has further reduced the risk of sealed inefficacy.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.
Claims (7)
1. The self-locking self-sealing oil pipe is characterized by comprising a cylindrical pipe body part, a groove formed by axially recessing one end of the pipe body part towards the other end of the pipe body part, and a protruding block extending from the other end of the pipe body part towards the direction far away from the groove, wherein the protruding block is matched with the groove, the protruding block comprises a body part and a coating layer wrapping the body part along the circumferential direction of the body part, and the coating layer is made of an auxetic composite material.
2. The self-locking and self-sealing oil pipe according to claim 1, wherein the pipe body comprises a first surface provided with the groove and a second surface provided with the protruding block, and the self-locking and self-sealing oil pipe further comprises an elastic sealing ring arranged along the circumference of the protruding block, and the elastic sealing ring is fixedly arranged on the second surface.
3. The self-locking and self-sealing oil pipe according to claim 2, wherein the elastic sealing ring comprises a first sealing ring arranged on the inner wall side of the protruding block and a second sealing ring arranged on the outer wall side of the protruding block, and the first sealing ring and the second sealing ring are coaxially arranged and have the same thickness.
4. The self-locking self-sealing oil pipe according to claim 3, wherein the sum of the depth of the groove and the thickness of the elastic sealing ring is not less than the extension length of the bump.
5. The self-locking and self-sealing oil pipe according to claim 4, wherein the depth of the groove is 10cm, the thickness of the elastic sealing ring is 3cm, and the extension length of the protruding block is 12 cm.
6. The self-locking and self-sealing oil pipe according to claim 2, wherein the body part comprises a first extension section extending from the second surface in a direction away from the first surface and a second extension section continuing to extend from the first extension section in a direction away from the first surface, and the cross-sectional area of the second extension section is gradually reduced along the extension direction of the second extension section.
7. The self-locking and self-sealing oil pipe according to claim 1, wherein the axis of the pipe body part is a straight line, a broken line or a curved line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454153.0U CN213271457U (en) | 2020-07-22 | 2020-07-22 | Self-locking and self-sealing oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454153.0U CN213271457U (en) | 2020-07-22 | 2020-07-22 | Self-locking and self-sealing oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213271457U true CN213271457U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021454153.0U Active CN213271457U (en) | 2020-07-22 | 2020-07-22 | Self-locking and self-sealing oil pipe |
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| Country | Link |
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| CN (1) | CN213271457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370300A (en) * | 2022-07-12 | 2022-11-22 | 大庆西姆莱斯石油专用管制造有限公司 | Nano-coating high-strength anti-galling anti-eccentric wear anti-corrosion anti-fouling special threaded oil pipe |
| GB2616882A (en) * | 2022-03-23 | 2023-09-27 | Rheon Labs Ltd | Energy control systems |
-
2020
- 2020-07-22 CN CN202021454153.0U patent/CN213271457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2616882A (en) * | 2022-03-23 | 2023-09-27 | Rheon Labs Ltd | Energy control systems |
| CN115370300A (en) * | 2022-07-12 | 2022-11-22 | 大庆西姆莱斯石油专用管制造有限公司 | Nano-coating high-strength anti-galling anti-eccentric wear anti-corrosion anti-fouling special threaded oil pipe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410000 room 406, building 10, phase IV, No. 188, Huanbao Middle Road, Yuhua District, Changsha City, Hunan Province Patentee after: Hunan Shenyi precision parts Co.,Ltd. Address before: 410000 room 406, building 10, phase IV, No. 188, Huanbao Middle Road, Yuhua District, Changsha City, Hunan Province Patentee before: Hunan Shenyi Hardware Standard Parts Co.,Ltd. |