CN211574452U - Clamping sleeve hydraulic connector with stable clamping - Google Patents
Clamping sleeve hydraulic connector with stable clamping Download PDFInfo
- Publication number
- CN211574452U CN211574452U CN201922290899.6U CN201922290899U CN211574452U CN 211574452 U CN211574452 U CN 211574452U CN 201922290899 U CN201922290899 U CN 201922290899U CN 211574452 U CN211574452 U CN 211574452U
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- China
- Prior art keywords
- cutting ferrule
- nut
- joint
- cutting
- conical surface
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000010030 laminating Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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 discloses a stable cutting ferrule hydraulic pressure of joint connects, including connecting the body, nut and cutting ferrule, and it has the nut internal thread to connect the laminating of external screw thread outer wall of body, the steel pipe is inlayed in joint body tip, the nut suit is on the steel pipe, the processing of joint body tip has the internal conical surface of joint, and the inboard laminating of joint internal conical surface has the cutting ferrule, and the cutting ferrule keeps away from and connects the laminating of body one end and have the internal conical surface of nut, the processing of cutting ferrule middle part has the cutting ferrule cutting surface. This stable cutting ferrule hydraulic pressure of joint connects is provided with the cutting ferrule, cutting ferrule front end outer wall and the internal conical surface inclination of joint are corresponding, and this kind of structure can let the user after screwing up the nut, and the cutting ferrule front end is in the same place with the close laminating of the internal conical surface of joint, and the nut is screwed more tight, and the cutting ferrule front end is with the close more of the internal conical surface laminating of joint, can avoid the inside liquid of having pressure of steel pipe to ooze to the external world like this to guarantee that the inside liquid pressure of steel pipe can not descend, guarantee hydraulic system's stability.
Description
Technical Field
The utility model relates to a cutting ferrule connects technical field, specifically is a stable cutting ferrule hydraulic pressure of joint connects.
Background
The cutting sleeve type joint consists of three parts: the connector body, cutting ferrule, nut. After the clamping sleeve and the nut are sleeved on the steel pipe and inserted into the joint body, when the nut is screwed, the outer side of the front end of the clamping sleeve is attached to the conical surface of the joint body, and the inner blade is uniformly engaged with the seamless steel pipe to form effective sealing. The clamping sleeve joint is simple and convenient to install and high in pressure resistance, so that the clamping sleeve joint is widely applied to the market in use. It is an advanced connecting piece in the pipeline of automatic control devices of oil refining, chemical engineering, petroleum, natural gas, food, pharmacy, instruments and meters and other systems. Is suitable for connecting pipelines of oil, gas, water and other media
When the clamping sleeve connector on the market is used, the pressure resistance of threads is not strong, the sealing performance of the clamping sleeve connector is reduced after the clamping sleeve connector is repeatedly used, and therefore the clamping sleeve hydraulic connector stable in clamping is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stable cutting ferrule hydraulic pressure of joint connects to the resistance to pressure of the screw thread that proposes in solving above-mentioned background art is not strong, and the cutting ferrule connects the problem that the leakproofness reduces after using repeatedly.
In order to achieve the above object, the utility model provides a following technical scheme: the clamping stable clamping sleeve hydraulic joint comprises a joint body, a steel pipe, a nut and a clamping sleeve, wherein a nut internal thread is laminated on the outer wall of an external thread of the joint body, the steel pipe is embedded at the end part of the joint body, the nut is sleeved on the steel pipe, a joint body inner conical surface is machined at the end part of the joint body, a clamping sleeve is laminated on the inner side of the joint body inner conical surface, the clamping sleeve is far away from one end of the joint body and is laminated with a nut inner conical surface, a clamping sleeve cutting surface is machined at the middle part of the clamping sleeve, and a labyrinth seal is machined on one side.
Preferably, the two ends of the joint body are symmetrically distributed along the transverse central axis of the joint body, and the external threads of the joint body are distributed in an inclined manner.
Preferably, the nut internal threads are distributed in an inclined manner, and the inclined angle of the nut internal threads is matched with the external threads of the joint body.
Preferably, the outer wall of the front end of the cutting sleeve is distributed in an inclined cone shape, and the outer wall of the front end of the cutting sleeve corresponds to the inclined angle of the inner conical surface of the connector body.
Preferably, the cutting surface of the cutting sleeve is attached to the side end of the connector body, and the cutting surface of the cutting sleeve is perpendicular to the central axis of the cutting sleeve.
Preferably, the outer wall of the rear end of the cutting sleeve is distributed in an inclined cone shape, and the inclined angle of the outer wall of the rear end of the cutting sleeve corresponds to the inclined angle of the inner cone surface of the nut.
Preferably, the labyrinth seal is distributed in the shape of annular seal teeth, and the number of the annular seal teeth of the labyrinth seal is 3-5 circles.
Compared with the prior art, the beneficial effects of the utility model are that: this stable cutting ferrule hydraulic pressure of joint connects is provided with the cutting ferrule, cutting ferrule front end outer wall and the internal conical surface inclination of joint are corresponding, and this kind of structure can let the user after screwing up the nut, and the cutting ferrule front end is in the same place with the close laminating of the internal conical surface of joint, and the nut is screwed more tight, and the cutting ferrule front end is with the close more of the internal conical surface laminating of joint, can avoid the inside liquid of having pressure of steel pipe to ooze to the external world like this to guarantee that the inside liquid pressure of steel pipe can not descend, guarantee hydraulic system's stability.
The cutting surface of the cutting sleeve is perpendicular to the central axis of the cutting sleeve, and after a user screws the nut, the cutting surface of the cutting sleeve is tightly clamped at the side end of the connector body.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic diagram of the shape and structure of the cutting sleeve of the present invention;
fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.
In the figure: 1. a fitting body; 2. an external thread of the joint body; 3. the nut is internally threaded; 4. a steel pipe; 5. a nut; 6. an inner conical surface of the connector body; 7. a card sleeve; 8. an inner conical surface of the nut; 9. cutting off the section of the cutting sleeve; 10. and (4) labyrinth sealing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a stable cutting ferrule hydraulic pressure of joint connects, including the joint body 1, connect body external screw thread 2, nut internal thread 3, the steel pipe 4, the nut 5, connect body internal conical surface 6, cutting ferrule 7, nut internal conical surface 8, cutting ferrule cutting surface 9 and labyrinth seal 10, it has joint body external screw thread 2 to connect 1 tip outer wall processing of body, 1 both ends of joint body are the symmetric distribution along connecting 1 horizontal axis of body, and connect body external screw thread 2 to distribute for the slope form, this structure makes and connects body 1 can be in the same place two disconnected pipelines originally, realize its connection function, connect body external screw thread 2 to distribute for the slope form, thereby form the coniform screw thread, this kind of coniform screw thread has 16: 1, the raw material belt wound on the thread can be more uniformly distributed on the thread, the thread has better sealing performance, and meanwhile, the wall of the thread pipe is thicker and has higher pressure resistance, so the thread is more suitable for being used in a hydraulic system;
the outer wall of the joint body external thread 2 is attached with the nut internal thread 3, the nut internal thread 3 is distributed in an inclined manner, and the inclination angle of the nut internal thread 3 is matched with the joint body external thread 2, so that the structure can lead a user to achieve the requirements of tightness and no gap after screwing the nut 5, the whole structure is firmer and is not easy to loosen, and meanwhile, the clamping sleeve 7 can be tightly clamped between the joint body and the nut 5, so that the sealing function of the clamping sleeve 7 is realized;
the steel pipe 4 is embedded in the end part of the joint body 1, the nut 5 is sleeved on the steel pipe 4, the end part of the joint body 1 is processed with a joint body inner conical surface 6, the inner side of the joint body inner conical surface 6 is attached with a clamping sleeve 7, the outer wall of the front end of the clamping sleeve 7 is distributed in an inclined conical shape, and the inclination angle of the outer wall of the front end of the clamping sleeve 7 corresponds to that of the joint body inner conical surface 6, so that after a user screws the nut 5, the front end of the clamping sleeve 7 is tightly attached with the joint body inner conical surface 6, the tighter the nut 5 is screwed, the tighter the front end of the clamping sleeve 7 is attached with the joint body inner conical surface 6, and therefore pressurized liquid in the steel pipe 4 can be prevented from leaking to the outside, the liquid pressure in the;
the nut inner conical surface 8 is attached to one end, far away from the connector body 1, of the clamping sleeve 7, the clamping sleeve cutting surface 9 is machined in the middle of the clamping sleeve 7, the clamping sleeve cutting surface 9 is attached to the side end of the connector body 1, the clamping sleeve cutting surface 9 is perpendicular to the central axis of the clamping sleeve 7, and after a user screws the nut 5, the clamping sleeve cutting surface 9 is tightly clamped at the side end of the connector body 1;
the structure is characterized in that a plurality of annular sealing teeth arranged in the manner are arranged on the inner wall of the cutting sleeve 7, a series of closure gaps and expansion cavities are formed between the teeth, and a throttling effect is generated when a sealed medium passes through the gaps of the labyrinth seals 10 to achieve the purpose of leakage resistance, so that the pressure of a hydraulic system is prevented from being lost.
The working principle is as follows: for the clamping sleeve hydraulic joint with stable clamping, a user firstly sequentially sleeves a nut 5, a clamping sleeve 7 and a joint body 1 on a steel pipe 4, then screws the nut 5, after the user screws the nut 5, the joint body 1 and the nut 5 are matched to meet the requirement of tightness and no gap, so that the whole structure is firmer and is not easy to loosen, the clamping sleeve 7 can be tightly clamped between the joint body 1 and the nut 5, the front end of the clamping sleeve 7 is tightly attached to an inner conical surface 6 of the joint body, the tighter the screwing of the nut 5 is, the tighter the attachment of the front end of the clamping sleeve 7 to the inner conical surface 6 of the joint body is, thus, the phenomenon that the pressurized liquid in the steel pipe 4 seeps out to the outside can be avoided, the liquid pressure in the steel pipe 4 can not be reduced, after the user screws the nut 5, the cutting surface 9 of the clamping sleeve is tightly clamped at the clamping sleeve side end of the joint body 1, and the structure further ensures that the combination of, the pressure of a hydraulic system is guaranteed, the long-time stability and the tightness of the clamping sleeve connector are guaranteed, and the use process of the clamping sleeve hydraulic connector with stable whole clamping is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a stable cutting ferrule hydraulic pressure of joint connects, includes the joint body (1), steel pipe (4), nut (5) and cutting ferrule (7), its characterized in that: connect body (1) tip outer wall processing to have and connect body external screw thread (2), and connect body external screw thread (2) outer wall laminating to have nut internal thread (3), steel pipe (4) are inlayed in connecting body (1) tip, nut (5) suit is on steel pipe (4), it has joint body inner conical surface (6) to connect body (1) tip processing, and connects body inner conical surface (6) inboard laminating to have cutting ferrule (7), and cutting ferrule (7) keep away from and connect body (1) one end laminating to have nut inner conical surface (8), cutting ferrule (7) middle part processing has cutting ferrule cutting surface (9), cutting ferrule (7) inner wall is close to nut (5) one side processing and has labyrinth seal (10).
2. The clamp-stabilized clamp sleeve hydraulic joint according to claim 1, characterized in that: the two ends of the joint body (1) are symmetrically distributed along the transverse central axis of the joint body (1), and the external threads (2) of the joint body are distributed in an inclined manner.
3. The clamp-stabilized clamp sleeve hydraulic joint according to claim 1, characterized in that: the nut internal threads (3) are distributed in an inclined shape, and the inclined angle of the nut internal threads (3) is matched with the joint body external threads (2).
4. The clamp-stabilized clamp sleeve hydraulic joint according to claim 1, characterized in that: the outer wall of the front end of the cutting sleeve (7) is distributed in an inclined conical shape, and the outer wall of the front end of the cutting sleeve (7) corresponds to the inclined angle of the inner conical surface (6) of the connector body.
5. The clamp-stabilized clamp sleeve hydraulic joint according to claim 1, characterized in that: cutting ferrule cutting surface (9) and joint body (1) side laminating, and cutting ferrule cutting surface (9) perpendicular to the axis of cutting ferrule (7).
6. The clamp-stabilized clamp sleeve hydraulic joint according to claim 1, characterized in that: the outer wall of the rear end of the cutting sleeve (7) is distributed in an inclined taper shape, and the outer wall of the rear end of the cutting sleeve (7) corresponds to the inclined angle of the inner conical surface (8) of the nut.
7. The clamp-stabilized clamp sleeve hydraulic joint according to claim 1, characterized in that: the labyrinth seals (10) are distributed in the shape of annular seal teeth, and the number of the annular seal teeth of the labyrinth seals (10) is 3-5 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290899.6U CN211574452U (en) | 2019-12-19 | 2019-12-19 | Clamping sleeve hydraulic connector with stable clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290899.6U CN211574452U (en) | 2019-12-19 | 2019-12-19 | Clamping sleeve hydraulic connector with stable clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574452U true CN211574452U (en) | 2020-09-25 |
Family
ID=72548600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922290899.6U Expired - Fee Related CN211574452U (en) | 2019-12-19 | 2019-12-19 | Clamping sleeve hydraulic connector with stable clamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211574452U (en) |
-
2019
- 2019-12-19 CN CN201922290899.6U patent/CN211574452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 101-3, gate 2, block K1, Haitai green industrial base, No. 6, Haitai development road 6, Huayuan Industrial Zone, Binhai New Area, Tianjin 300384 Patentee after: Tianjin Yitong Yongxu Technology Development Co.,Ltd. Address before: Room 101-3, gate 2, block K1, Haitai green industrial base, No. 6, Haitai development road 6, Huayuan Industrial Zone, Binhai New Area, Tianjin 300384 Patentee before: Tianjin Leer Technology Development Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |