CN106051335A - Ferrule-type pipe joint capable of achieving reliable sealing - Google Patents
Ferrule-type pipe joint capable of achieving reliable sealing Download PDFInfo
- Publication number
- CN106051335A CN106051335A CN201610577980.0A CN201610577980A CN106051335A CN 106051335 A CN106051335 A CN 106051335A CN 201610577980 A CN201610577980 A CN 201610577980A CN 106051335 A CN106051335 A CN 106051335A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- ferrule
- pipe joint
- nut body
- fastening part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
Abstract
The invention discloses a ferrule-type pipe joint capable of achieving reliable sealing. The ferrule-type pipe joint capable of achieving reliable sealing comprises a pipe joint body, a union nut body, a first sealing ring, a connection lip, a ferrule, a second sealing ring and a third sealing ring, wherein a connection thread surface is arranged on the outer wall of the pipe joint body; a thread matched with the connection thread surface is arranged on the inner wall of the union nut body; an installation groove is arranged in the union nut body; the first sealing ring is embedded in the installation groove; a first conical surface is arranged on the pipe joint body; the inner wall of the first sealing ring contacts with the first conical surface; the connection lip is arranged on one end part of the pipe joint body; the inner wall of the connection lip clings to a fastening part of the ferrule; a second conical surface is arranged in the union nut body; the second sealing ring is embedded in the ferrule and the union nut body; and the third sealing ring is embedded in the connection lip. According to the ferrule-type pipe joint capable of achieving reliable sealing, the sealing performance of connection between the joint and a pipe is improved, and the problem of connection loosing due to leakage and vibration of a system is avoided.
Description
[technical field]
The present invention relates to connector field, the particularly reliable ferrule-type compression joint of a kind of sealing.
[background technology]
Pipe joint is connecting line or the part that is contained on Hydraulic Elements by pipeline in hydraulic system, is a kind of to lead at fluid
The connector of Lu Zhongneng mounting or dismounting, in use, has one end of locking nut for removably connecting with machinery equipment, the other end
In being inserted in pipe.Existing pipe joint is in use it is possible that the phenomenon revealed, and owing to vibration causes even
Connect loosening phenomenon, seal reliable ferrule-type compression joint it is proposed that a kind of.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, proposes one and seals reliable ferrule-type compression joint,
Utilize cutting ferrule that the engagement of pipe outer wall is connected to reinforce, it is to avoid vibration causes loosening of connection, and utilizes multiple sealing ring
Closely cooperate, improve the connection sealing of joint and pipe, it is to avoid connection system generation leakage problem.
For achieving the above object, the present invention proposes and a kind of seals reliable ferrule-type compression joint, including pipe joint body,
Loose joint nut body, the first sealing ring, connection lip, cutting ferrule, the second sealing ring and the 3rd sealing ring, outside described pipe joint body
Wall is provided with connection flank, and the inwall of described loose joint nut body is provided with and is connected the screw thread that flank matches, described work
This internal mounting groove that is provided with of connected nut, described first sealing ring is inlaid in mounting groove, described pipe joint body be provided with the
One taper surface, inwall and first taper surface of described first sealing ring contact, and the end of described pipe joint body is provided with connection
Lip, the inwall of described connection lip is close to the fastening part of cutting ferrule, be provided with the second taper surface, described cutting ferrule in described loose joint nut body
Drive division and the second taper surface match, described second sealing ring is inlaid in cutting ferrule and loose joint nut body, the described 3rd
Sealing ring is inlaid in connection lip.
As preferably, described adapter sleeve also includes installation cavity and groove, described drive division be shaped as truncated cone-shaped, described in drive
Dynamic portion is provided with fastening part, and described installation cavity is through drive division and fastening part, and the inwall of described fastening part is provided with groove, described
The cross sectional shape of groove is triangle, and described fastening part is provided with guide end, described guide end be shaped as truncated cone-shaped, described tightly
Gu offer several slots in portion.
As preferably, the outer surface of described guide end and axial angle are 20 degree, and the number of described slot is 3～5.
As preferably, the outer surface of described first taper surface and axial angle are 15 degree, described second taper surface interior
Surface and axial angle are 60 degree.
As preferably, the sidewall of described first sealing ring contacts with the shaft shoulder of loose joint nut body.
As preferably, the inwall of described connection lip is provided with inclined-plane, and the cross section on described inclined-plane and the angle of horizontal plane are 10
～20 degree, the outer wall of described inclined-plane and the 3rd sealing ring is in close contact.
Beneficial effects of the present invention: the present invention by pipe joint body, loose joint nut body, the first sealing ring, connect lip,
The cooperation of cutting ferrule, the second sealing ring and the 3rd sealing ring etc., utilizes cutting ferrule to connect the engagement of pipe outer wall and reinforces, it is to avoid shake
Move and cause loosening of connection, and utilize closely cooperating of multiple sealing ring, improve the connection sealing of joint and pipe, it is to avoid even
Welding system generation leakage problem.
Inventive feature and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is a kind of structural representation sealing reliable ferrule-type compression joint of the present invention；
Fig. 2 is the structural representation of a kind of cutting ferrule sealing reliable ferrule-type compression joint of the present invention.
In figure: 1-pipe joint body, 2-loose joint nut body, 3-the first sealing ring, 4-connect lip, 5-cutting ferrule, 6-second
Sealing ring, 7-the 3rd sealing ring, 8-pipe, 11-connect flank, 12-the first taper surface, the 21-shaft shoulder, 22-mounting groove, 23-the
Two taper surfaces, 41-inclined-plane, 51-drive division, 52-fastening part, 53-installation cavity, 54-groove, 521-guide end, 522-slot.
[detailed description of the invention]
Refering to Fig. 1 and Fig. 2, one of the present invention seals reliable ferrule-type compression joint, including pipe joint body 1, loose joint spiral shell
Maternal body the 2, first sealing ring 3, connection lip 4, cutting ferrule the 5, second sealing ring 6 and the 3rd sealing ring 7, described pipe joint body 1
Outer wall is provided with connection flank 11, and the inwall of described loose joint nut body 2 is provided with and is connected the screw thread that flank 11 matches,
Being provided with mounting groove 22 in described loose joint nut body 2, described first sealing ring 3 is inlaid in mounting groove 22, and described pipe joint is originally
Body 1 be provided with the first taper surface 12, inwall and first taper surface 12 of described first sealing ring 3 contact, described pipe joint
The end of body 1 is provided with connection lip 4, and the inwall of described connection lip 4 is close to the fastening part 52 of cutting ferrule 5, described loose joint nut body 2
Inside being provided with the second taper surface 23, the drive division 51 of described cutting ferrule 5 matches with the second taper surface 23, and described second sealing ring 6 is embedding
Being contained in cutting ferrule 5 and loose joint nut body 2, described 3rd sealing ring 7 is inlaid in connection lip 4.Described adapter sleeve 5 also includes peace
Behave affectedly 53 and groove 54, described drive division 51 be shaped as truncated cone-shaped, described drive division 51 is provided with fastening part 52, described installation
Chamber 53 is through drive division 51 and fastening part 52, and the inwall of described fastening part 52 is provided with groove 54, the cross section shape of described groove 54
Shape is triangle, and described fastening part 52 is provided with guide end 521, described guide end 521 be shaped as truncated cone-shaped, described fastening part
Several slots 522 are offered on 52.The outer surface of described guide end 521 and axial angle are 20 degree, described slot 522
Number is 3～5.The outer surface of described first taper surface 12 and axial angle are 15 degree, described second taper surface 23 interior
Surface and axial angle are 60 degree.The described sidewall of the first sealing ring 3 contacts with the shaft shoulder 21 of loose joint nut body 2.Institute
The inwall stating connection lip 4 is provided with inclined-plane 41, and the cross section on described inclined-plane 41 and the angle of horizontal plane are 10～20 degree, described inclined-plane
41 and the 3rd sealing ring 7 outer wall be in close contact.
Work process of the present invention:
One of the present invention seals reliable ferrule-type compression joint in the course of the work, pipe 8 inserts pipe joint body 1, so
After screw loose joint nut body 2, during screwing, the second taper surface 23 coordinates with drive division 51, drive cutting ferrule 5 to reach
Dynamic, loose joint nut body 2 guide end 521 ensure that fastening part 52 enters in the inner chamber connecting lip 4 smoothly, now cutting ferrule 5
Fastening part 52 radial contraction, inclined-plane 41 with adapter sleeve 5 are formed coupling mechanism force, and ensure the groove 54 within fastening part 52
Can be embedded into smoothly in the outer wall of pipe 8, it is possible to reinforced pipe joint and the connection tightness of pipe, be prevented effectively from what vibration caused
Loosening, and have certain sealing effectiveness, the front end of cutting ferrule 5 pushes the 3rd sealing ring 7 forward, the outer ring of the 3rd sealing ring 7
Extruding inclined-plane 41, now connection lip 4 fits tightly with the junction formation of pipe 8, and the end connecting lip 4 pushes the second sealing ring 6
Extruding forward the second taper surface 23, the inwall in the end of pipe joint body 1 with loose joint nut body 2 is formed and fits tightly,
Under the stop of the shaft shoulder 21 and the locking effect of taper surface 12, the first sealing ring 3 is in pipe joint body 1, the company of loose joint nut body 2
The place's of connecing formation fits tightly, multiple sealing rings with the use of, improve joint in use with the connection sealing of pipe, keep away
Exempt from connection system generation leakage problem.
Above-described embodiment is the description of the invention, is not limitation of the invention, any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (6)
1. one kind seals reliable ferrule-type compression joint, it is characterised in that: include pipe joint body (1), loose joint nut body
(2), the first sealing ring (3), connection lip (4), cutting ferrule (5), the second sealing ring (6) and the 3rd sealing ring (7), described pipe joint basis
The outer wall of body (1) is provided with connection flank (11), and the inwall of described loose joint nut body (2) is provided with and is connected flank (11)
The screw thread matched, is provided with mounting groove (22) in described loose joint nut body (2), described first sealing ring (3) is inlaid in installation
In groove (22), described pipe joint body (1) be provided with the first taper surface (12), the inwall of described first sealing ring (3) and
One taper surface (12) contacts, and the end of described pipe joint body (1) is provided with connection lip (4), and the inwall of described connection lip (4) is tight
The fastening part (52) of patch cutting ferrule (5), is provided with the second taper surface (23), driving of described cutting ferrule (5) in described loose joint nut body (2)
Dynamic portion (51) matches with the second taper surface (23), and described second sealing ring (6) is inlaid in cutting ferrule (5) and loose joint nut body
(2), in, described 3rd sealing ring (7) is inlaid in connection lip (4).
2. described one as claimed in claim 1 seals reliable ferrule-type compression joint, it is characterised in that: described adapter sleeve
(5) also include installation cavity (53) and groove (54), described drive division (51) be shaped as truncated cone-shaped, described drive division sets on (51)
Having fastening part (52), described installation cavity (53) is through drive division (51) and fastening part (52), the inwall of described fastening part (52)
Being provided with groove (54), the cross sectional shape of described groove (54) is triangle, and described fastening part (52) are provided with guide end (521),
Described guide end (521) be shaped as truncated cone-shaped, described fastening part (52) offer several slots (522).
3. described one as claimed in claim 1 or 2 seals reliable ferrule-type compression joint, it is characterised in that lead described in:
Being 20 degree to outer surface and the axial angle of end (521), the number of described slot (522) is 3～5.
4. described one as claimed in claim 1 seals reliable ferrule-type compression joint, it is characterised in that: described first cone
The outer surface in shape face (12) and axial angle are 15 degree, and the inner surface of described second taper surface (23) and axial angle are 60
Degree.
5. one as claimed in claim 1 described described in seals reliable ferrule-type compression joint, it is characterised in that: described the
The sidewall of one sealing ring (3) contacts with the shaft shoulder (21) of loose joint nut body (2).
6. described one as claimed in claim 1 seals reliable ferrule-type compression joint, it is characterised in that: described connection lip
(4) inwall is provided with inclined-plane (41), and the cross section of described inclined-plane (41) and the angle of horizontal plane are 10～20 degree, described inclined-plane
(41) outer wall with the 3rd sealing ring (7) is in close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610577980.0A CN106051335A (en) | 2016-07-21 | 2016-07-21 | Ferrule-type pipe joint capable of achieving reliable sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610577980.0A CN106051335A (en) | 2016-07-21 | 2016-07-21 | Ferrule-type pipe joint capable of achieving reliable sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106051335A true CN106051335A (en) | 2016-10-26 |
Family
ID=57188410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610577980.0A Pending CN106051335A (en) | 2016-07-21 | 2016-07-21 | Ferrule-type pipe joint capable of achieving reliable sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106051335A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061885A (en) * | 2017-06-21 | 2017-08-18 | 海盐县秦山液压机械厂 | A kind of high leakproofness ferrule-type compression joint |
| CN107606345A (en) * | 2017-09-05 | 2018-01-19 | 煌盛集团重庆管业有限公司 | A kind of hole pattern steel strip-plastic composite pipe connector of convenient disassembly |
| CN108071650A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Nut fastener |
| CN110242807A (en) * | 2019-05-30 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of heat distribution pipeline splicing apparatus |
| CN114731929A (en) * | 2022-04-12 | 2022-07-12 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
-
2016
- 2016-07-21 CN CN201610577980.0A patent/CN106051335A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071650A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Nut fastener |
| CN107061885A (en) * | 2017-06-21 | 2017-08-18 | 海盐县秦山液压机械厂 | A kind of high leakproofness ferrule-type compression joint |
| CN107606345A (en) * | 2017-09-05 | 2018-01-19 | 煌盛集团重庆管业有限公司 | A kind of hole pattern steel strip-plastic composite pipe connector of convenient disassembly |
| CN110242807A (en) * | 2019-05-30 | 2019-09-17 | 湖南达道新能源开发有限公司 | A kind of heat distribution pipeline splicing apparatus |
| CN114731929A (en) * | 2022-04-12 | 2022-07-12 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
| CN114731929B (en) * | 2022-04-12 | 2023-11-24 | 银川润泽源节水科技有限公司 | Drip irrigation pipe convenient to connect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |