CN115681633A - Cutting ferrule type high-pressure oil pipe joint - Google Patents
Cutting ferrule type high-pressure oil pipe joint Download PDFInfo
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- CN115681633A CN115681633A CN202211401552.4A CN202211401552A CN115681633A CN 115681633 A CN115681633 A CN 115681633A CN 202211401552 A CN202211401552 A CN 202211401552A CN 115681633 A CN115681633 A CN 115681633A
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- connecting pipe
- seal cover
- ferrule
- sealing sleeve
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Abstract
The invention discloses a ferrule type high-pressure oil pipe joint, and relates to the field of oil pipe joints. The invention comprises a locking nut, a joint body and a connecting pipe, wherein one side of the inner surface of the joint body is sleeved with the connecting pipe, the outer surface of the connecting pipe is sleeved with a sealing sleeve, the outer surface of the sealing sleeve is sleeved with a clamping sleeve, and the clamping sleeve is positioned between the locking nut and the sealing sleeve.
Description
Technical Field
The invention relates to the field of oil pipe joints, in particular to a clamping sleeve type high-pressure oil pipe joint.
Background
The high-pressure oil pipe joint is a part for connecting high-pressure oil pipes in a hydraulic system, and generally has several forms such as a ferrule type, a thin pipe flaring type and a welding type, wherein the ferrule type is the most common type, the conventional ferrule type high-pressure oil pipe joint generally comprises a joint body, a nut in threaded connection with the joint body, and a ferrule arranged between the nut and the joint body, and a connecting pipe is inserted in the joint body and is continuously screwed down through the nut, so that the ferrule and the joint body are attached to each other, and the connecting pipe is fixed.
According to the search discovery, chinese patent with patent number CN201720918958.8 discloses a cutting ferrule formula high pressure oil pipe joint, it prevents the cutting ferrule to warp through setting up the sealing washer, replaces the face to seal by tooth through the joint body and cutting ferrule, has not only improved sealing performance, connects more stably moreover, but this cutting ferrule formula oil pipe joint, the unable dismantlement after the installation, only can change the cutting ferrule completely when oil leakage, sealed the worsening appear, increased cost of maintenance.
Disclosure of Invention
Based on the technical problem, the invention aims to provide the clamping sleeve type high-pressure oil pipe joint to solve the technical problems that the oil pipe joint cannot be disassembled after being installed, the clamping sleeve can only be completely replaced when oil leakage and poor sealing occur, and the maintenance cost is increased.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cutting ferrule formula high pressure fuel pipe connects, includes lock nut, connects the body and connecting pipe, the connecting pipe has been cup jointed to the internal surface one side that connects the body, the seal cover has been cup jointed to the surface of connecting pipe, the cutting ferrule has been cup jointed to the surface of seal cover, and the cutting ferrule is located between lock nut and the seal cover, the lock nut has been cup jointed to the surface that connects the body.
Through adopting above-mentioned technical scheme, the staff extrudees the snap ring, fills in the seal cover downthehole, then drags out the snap ring through the seal cover hole of the other end to install the seal cover on the snap ring, insert the seal cover on the connecting pipe through the connecting tube hole after that, make the joint body contradict with the connecting pipe and stop, later with lock nut cover on the connecting pipe and with the joint body be connected, thereby install.
Furthermore, a connecting pipe hole is formed in the sealing sleeve, an inclined sleeve ring is fixed at one end of the sealing sleeve, and a clamping ring is fixed at the other end of the sealing sleeve.
Through adopting above-mentioned technical scheme, the seal cover has thickness and elasticity, and the staff can extrude the snap ring to fill in the seal cover downthehole, make things convenient for the staff to operate, conveniently be connected the cutting ferrule with the seal cover.
Furthermore, the outer surface of the clamping sleeve is provided with a second clamping tooth, the inner inclined plane of the locking nut is provided with a first clamping tooth, and the first clamping tooth is matched with the second clamping tooth.
Through adopting above-mentioned technical scheme, first latch and second latch intermeshing, when using, the second latch on the cutting ferrule contradicts each other with the first latch on the lock nut to make the cutting ferrule connect more stably, improved the stability that connects the body.
Furthermore, the inclination angle of the inclined lantern ring is the same as that of the inclined plane, the clamping sleeve is sleeved on the sealing sleeve, and meanwhile the sealing sleeve is made of rubber materials.
Through adopting above-mentioned technical scheme, improved the leakproofness that connects the body with the cutting ferrule, cutting ferrule and seal cover closely laminate simultaneously, when lock nut screwed up, the slope lantern ring can be extruded to the lock nut inboard to extrude the cutting ferrule, make the second latch on the cutting ferrule and connect the first latch zonulae occludens on the body, improve the leakproofness and the stability of connecting.
Furthermore, the outer diameter of the locking nut is the same as that of the clamping ring, and the locking nut is in threaded connection with the joint body.
Furthermore, the diameter of the connecting pipe hole is the same as the outer diameter of the connecting pipe, and the outer diameter of the sealing sleeve is the same as the diameter of the sealing sleeve hole.
In summary, the invention mainly has the following beneficial effects:
1. the oil pipe connector is provided with the sealing sleeve, the sealing sleeve comprises an inclined sleeve ring, a connecting pipe hole and a clamping ring, the sealing sleeve is integrally made of rubber, when the oil pipe connector is used, a worker extrudes the clamping ring to be inserted into the sealing sleeve hole, then the clamping ring is pulled out through the sealing sleeve hole at the other end, so that the sealing sleeve is installed on the clamping sleeve, then the sealing sleeve is inserted onto the connecting pipe through the connecting pipe hole, the connector body and the connecting pipe are abutted and stopped, then the locking nut is sleeved on the connecting pipe and connected with the connector body, installation is carried out, connection is more stable under the action of the first clamping teeth and the second clamping teeth, when the oil pipe needs to be disassembled, the worker reversely rotates the locking nut to disassemble the locking nut, the locking nut is disassembled, the rubber has certain thickness and elasticity, the worker can press the clamping sleeve downwards to compress the sealing sleeve, so that the first clamping teeth and the second clamping teeth are separated, the clamping sleeve can be conveniently taken out, maintenance and part replacement are convenient, and the maintenance cost is saved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the fitting body of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
fig. 4 is a partial structure schematic diagram of the ferrule of the present invention;
FIG. 5 is a schematic diagram of the sealing sleeve of the present invention viewed from the right;
fig. 6 is a left side view structural schematic diagram of the sealing sleeve of the invention.
In the figure: 1. locking the nut; 2. a fitting body; 3. a connecting pipe; 4. a ferrule; 401. a bevel; 402. sealing the trepan boring; 5. sealing sleeves; 501. an inclined collar; 502. connecting the pipe hole; 503. a snap ring; 6. a first latch; 7. and a second latch.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
The utility model provides a cutting ferrule formula high pressure fuel pipe connects, as shown in figure 1, 2, 3, 4, 5, 6, including lock nut 1, connect body 2 and connecting pipe 3, connecting pipe 3 has been cup jointed to the internal surface one side of the body 2 that connects, the surface of connecting pipe 3 has cup jointed seal cover 5, the surface of seal cover 5 has cup jointed cutting ferrule 4, and cutting ferrule 4 is located between lock nut 1 and the seal cover 5, lock nut 1 has been cup jointed to the surface of the body 2 that connects, the staff extrudees snap ring 503, fill in sealed trepanning 402, then draw snap ring 503 out through the sealed trepanning 402 of the other end, thereby install seal cover 5 on cutting ferrule 4, insert seal cover 5 on connecting pipe 3 through connecting tube hole 502 after that, make the body 2 that connects contradict with connecting pipe 3 and stop, later with lock nut 1 cover on connecting pipe 3 and be connected with the body 2 that connects, thereby install.
Referring to fig. 1, 2, 3, 4, 5, and 6, a connecting tube hole 502 is provided in the sealing sleeve 5, an inclined collar 501 is fixed at one end of the sealing sleeve 5, a snap ring 503 is fixed at the other end of the sealing sleeve 5, the outer diameter of the locking nut 1 is the same as that of the snap ring 503, the locking nut 1 is in threaded connection with the connector body 2, the diameter of the connecting tube hole 502 is the same as that of the connecting tube 3, the outer diameter of the sealing sleeve 5 is the same as that of the sealing sleeve hole 402, the sealing sleeve 5 has thickness and elasticity, and a worker can extrude the snap ring and plug the snap ring into the sealing sleeve hole 402, so that the sealing sleeve is convenient for the worker to operate and connect the sealing sleeve 4 and the sealing sleeve 5.
Referring to fig. 1, 2, 3, 4, 5, 6, the outer surface of the ferrule 4 is provided with a second latch 7, the inner inclined surface of the lock nut 1 is provided with a first latch 6, and the first latch 6 is matched with the second latch 7, the first latch 6 is engaged with the second latch 7, when in use, the second latch 7 on the ferrule 4 is abutted against the first latch 6 on the lock nut 1, so that the ferrule 4 is more stably connected, the stability of the connector body 2 is improved, the inclination angle of the inclined collar 501 is the same as that of the inclined surface 401, the ferrule 4 is sleeved on the ferrule 5, and the ferrule 5 is made of rubber material, the outer diameter of the lock nut 1 is the same as that of the snap ring 503, and the lock nut 1 is in threaded connection with the connector body 2, the diameter of the pipe hole 502 is the same as that of the connecting pipe 3, the outer diameter of the ferrule 5 is the same as that of the seal sleeve hole 402, the sealability of the connector body 2 and the ferrule 4 is improved, and the ferrule 4 is tightly attached to the ferrule 5, when the lock nut 1 is tightly screwed, the seal the ferrule 4 is tightly connected with the ferrule 4, so that the stability of the ferrule 4 is improved, and the stability of the second latch 6 is improved.
The implementation principle of the embodiment is as follows: when using, the staff extrudees snap ring 503, plug in sealed trepanning 402, then drag snap ring 503 out through the sealed trepanning 402 of the other end, thereby install seal cover 5 on cutting ferrule 4, insert seal cover 5 on connecting pipe 3 through connecting tube hole 502 after that, make the connector body 2 and the conflict of connecting pipe 3 stop, later again with lock nut 1 cover on connecting pipe 3 and be connected with the connector body 2, thereby install, and under the effect of first latch 6 and second latch 7, make and connect more stably, when needs dismantle oil pipe, staff reverse rotation lock nut 1, dismantle lock nut 1, because rubber has certain thickness and elasticity, the staff can press cutting ferrule 4 downwards, make seal cover 5 compress tightly, thereby make first latch 6 and second latch 7 part, can be convenient take out cutting ferrule 4.
Although embodiments of this invention have been shown and described, it is to be understood that such embodiments are merely illustrative of and not restrictive on the broad invention, and that any one or more of the described features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, and variations that do not materially contribute to the novel teachings of this invention may be made by those skilled in the art after reading this disclosure without departing from the principles and spirit of this invention, but within the scope of the appended claims.
Claims (6)
1. The utility model provides a cutting ferrule formula high pressure fuel pipe connects, includes lock nut (1), connects body (2) and connecting pipe (3), its characterized in that: connect internal surface one side of body (2) and cup jointed connecting pipe (3), the surface of connecting pipe (3) has cup jointed seal cover (5), the surface of seal cover (5) has cup jointed cutting ferrule (4), and cutting ferrule (4) are located between lock nut (1) and seal cover (5), the surface that connects the body (2) has cup jointed lock nut (1).
2. The ferrule type high pressure tubing joint according to claim 1, wherein: be provided with connecting tube hole (502) in seal cover (5), the one end of seal cover (5) is fixed with slope lantern ring (501), the other end of seal cover (5) is fixed with snap ring (503).
3. The ferrule type high pressure tubing joint according to claim 1, wherein: the outer surface of the clamping sleeve (4) is provided with a second clamping tooth (7), the inner inclined surface of the locking nut (1) is provided with a first clamping tooth (6), and the first clamping tooth (6) is matched with the second clamping tooth (7).
4. The ferrule type high pressure tubing joint according to claim 1, wherein: the inclination of the inclined lantern ring (501) is the same as that of the inclined plane (401), the clamping sleeve (4) is sleeved on the sealing sleeve (5), and meanwhile the sealing sleeve (5) is made of rubber materials.
5. The ferrule type high pressure tubing joint according to claim 1, wherein: the outer diameter of the locking nut (1) is the same as that of the clamping ring (503), and the locking nut (1) is in threaded connection with the connector body (2).
6. The ferrule type high pressure tubing joint according to claim 1, wherein: the diameter of the connecting pipe hole (502) is the same as the outer diameter of the connecting pipe (3), and the outer diameter of the sealing sleeve (5) is the same as the diameter of the sealing sleeve hole (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211401552.4A CN115681633A (en) | 2022-11-09 | 2022-11-09 | Cutting ferrule type high-pressure oil pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211401552.4A CN115681633A (en) | 2022-11-09 | 2022-11-09 | Cutting ferrule type high-pressure oil pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115681633A true CN115681633A (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211401552.4A Pending CN115681633A (en) | 2022-11-09 | 2022-11-09 | Cutting ferrule type high-pressure oil pipe joint |
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| CN (1) | CN115681633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336273A (en) * | 2023-04-19 | 2023-06-27 | 佛山市顺设发科技有限公司 | Metal tube connecting structure |
-
2022
- 2022-11-09 CN CN202211401552.4A patent/CN115681633A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336273A (en) * | 2023-04-19 | 2023-06-27 | 佛山市顺设发科技有限公司 | Metal tube connecting structure |
| CN116336273B (en) * | 2023-04-19 | 2023-09-19 | 佛山市顺设发科技有限公司 | Metal tube connecting structure |
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