CN206563144U - A kind of ferrule-type compression joint - Google Patents
A kind of ferrule-type compression joint Download PDFInfo
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- CN206563144U CN206563144U CN201621413056.0U CN201621413056U CN206563144U CN 206563144 U CN206563144 U CN 206563144U CN 201621413056 U CN201621413056 U CN 201621413056U CN 206563144 U CN206563144 U CN 206563144U
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- China
- Prior art keywords
- cutting ferrule
- ferrule
- cutting
- nut
- cutting edge
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Abstract
The utility model provides a kind of ferrule-type compression joint, it includes fittings body, nut, first cutting ferrule and the second cutting ferrule, the outer ring surface of the hollow ring boss of first cutting ferrule and the closely knit cooperation of the skewed slot of fittings body, and the front end of the inner ring surface of hollow ring boss forms cutting edge, cutting edge is cut in pipe body surface in the first cutting ferrule stress, the front end inner ring surface formation cutting edge of second cutting ferrule, the outer surface of the cutting edge is outer shroud inclined-plane, inwall is provided with the excessive groove for extending to the second cutting ferrule rear end, elastic component is provided between the first cutting ferrule and nut, elastic component is located at the second cutting ferrule upper end, first cutting ferrule, after the press-in of second cutting ferrule, deformed in drum shape, its front end cutting edge cuts tube surface simultaneously, drastically increase pipe joint anticreep, the stability of vibrationproof, add the reliability of pipeline sealing and connection, avoid the structure of increase sealing ring, spring is set between the first cutting ferrule and nut, can be in the case where cutting ferrule uses abrasion, compensation is provided, ensure fixed fastness.
Description
Technical field
The utility model is related to a kind of ferrule-type compression joint.
Background technology
In automobile, ship and engineering equipment, there is the connection of many oil pipes and tracheae, mostly using a hollow joint
Body and a nut, pipe are set in the middle vacancy of fittings body and nut, and one is additionally provided between pipe and fittings body, nut
Cutting ferrule, can cause cutting ferrule to deform during tightening nut, so that fixed and sealedly effect is played, but this cutting ferrule needs setting
Sealing ring, is sealed by sealing ring with cutting ferrule, and the easy aging in high temperature of sealing ring or thawing are so as to cause leakage
Phenomenon.
Utility model content
In order to overcome the technical deficiency of the above, the utility model provides a kind of ferrule-type compression joint.
The utility model provides a kind of ferrule-type compression joint, and it includes a hollow fittings body and a nut, pipe
The middle vacancy of fittings body and nut is set in, cutting ferrule is provided between pipe and fittings body, nut, the cutting ferrule includes the first cutting ferrule
With the second cutting ferrule, the outer ring surface of the hollow ring boss of first cutting ferrule and the closely knit cooperation of the skewed slot of fittings body, and hollow ring
The front end of the inner ring surface of shape boss forms cutting edge, and the cutting edge is cut in pipe body surface in the first cutting ferrule stress, and described first
The outer shroud horizontal plane of the hollow ring boss of cutting ferrule and the closely knit cooperation of the inner surface of nut platform, the hollow ring of first cutting ferrule
The closely knit cooperation of the inner ring step surface of shape boss and the outer shroud inclined-plane of the second cutting ferrule, the rear end of second cutting ferrule and the inside of nut
Skewed slot is closely knit to be coordinated, the front end inner ring surface formation cutting edge of the second cutting ferrule, and the outer surface of the cutting edge is outer shroud inclined-plane, and inwall is provided with
The excessive groove of the second cutting ferrule rear end, the outer shroud inclined-plane of the cutting edge and the closely knit cooperation of the inner ring step surface of the first cutting ferrule are extended to,
Elastic component is provided between first cutting ferrule and nut, the elastic component is located at the second cutting ferrule upper end.
The outer ring surface of the hollow ring boss is made up of a lead-in chamfered and a horizontal plane, the hollow ring boss
Inner ring surface is provided with an inner groovy.
The elastic component is spring.
The cutting edge front end of second cutting ferrule is tilted towards middle part, and the angle with the second cutting ferrule radial direction is 2 °.
The angle of outer shroud inclined-plane and the second cutting ferrule axial direction is 20 °.
The cross section of the excessive groove is subtriangular, and the subtriangular excessive angle is fillet.
Elastic component is provided between first cutting ferrule and the second cutting ferrule.
The fittings body is stainless steel structure body.
The nut is stainless steel structure body.
The beneficial effects of the utility model：After first cutting ferrule, the press-in of the second cutting ferrule, deformed in drum shape, its front end cutting edge
Tube surface is cut simultaneously, rear end is then closely connected with pipe and nut, so as to drastically increase pipe joint anticreep, vibrationproof
Stability, adds the reliability of pipeline sealing and connection, it is to avoid need to increase the structure of sealing ring, while in the first cutting ferrule
Spring is set between nut, can cutting ferrule using abrasion in the case of there is provided compensation, it is ensured that fixed fastness.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation at cutting ferrule of the present utility model.
Fig. 3 is the structural representation of the second cutting ferrule of the present utility model.
Embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Figure 1,2 and 3, the utility model provides a kind of ferrule-type compression joint, and it includes a hollow fittings body 1
With a nut 2, pipe 3 is set in the middle vacancy of fittings body and nut, and cutting ferrule, institute are provided between pipe and fittings body, nut
Cutting ferrule is stated including the first cutting ferrule 4 and the second cutting ferrule 5, the outer ring surface of the hollow ring boss of first cutting ferrule 4 and fittings body
Skewed slot is closely knit to be coordinated, and the front end of the inner ring surface of hollow ring boss forms cutting edge 41, and the cutting edge is in the first cutting ferrule stress
Cut in pipe body surface, the inner surface of the outer shroud horizontal plane 42 and nut platform of the hollow ring boss of first cutting ferrule is closely knit
Coordinate, the closely knit cooperation of the inner ring step surface of the hollow ring boss of first cutting ferrule and the outer shroud inclined-plane 52 of the second cutting ferrule, institute
State the closely knit cooperation of the inside skewed slot of rear end and nut of the second cutting ferrule, the front end inner ring surface formation cutting edge of the second cutting ferrule, the cutting edge
Outer surface be outer shroud inclined-plane, inwall is provided with the excessive groove 51 for extending to the second cutting ferrule rear end, the outer shroud inclined-plane of the cutting edge
With the closely knit cooperation of inner ring step surface of the first cutting ferrule, elastic component, the elastic component are provided between first cutting ferrule and nut
Positioned at the second cutting ferrule upper end.Elastic component is provided between first cutting ferrule and the second cutting ferrule.
The ferrule-type compression joint basic structure is relatively simple, including fittings body, three basic parts of cutting ferrule and nut is not
Become rusty steel structure body., in the case where playing the axial action of nut revolving force of pressuring action, moved axially along the internal taper hole of fittings body, together
When cone cutting edge end produce radial contraction under the radial effect of counter-force, eliminate the gap of cutting ferrule and pipe, and connect cutting edge
Tube surface is touched, now pipe no longer rotates, continuation rotation nut, which makes cutting ferrule cutting edge firmly cut pipe, ensures sealing.
There is reliable sealing property simultaneously, in addition to double card covers and cuts tube surface simultaneously, first, second cutting ferrule also divides
Not with the closely knit cooperation of fittings body and nut.
Compensation mechanism is also provided with simultaneously, the spring between the first cutting ferrule and nut, and the first cutting ferrule and second is utilized
Elastic component between cutting ferrule, to ensure the compression after abrasion, improves its service life.
The outer ring surface of the hollow ring boss is made up of a lead-in chamfered and a horizontal plane, the hollow ring boss
Inner ring surface is provided with an inner groovy.The effect of lead-in chamfered is the skewed slot for guiding hollow ring boss smoothly to enter fittings body, water
Plane and indent then make the bending deformation clamping in compression of hollow ring boss.
The cutting edge front end of second cutting ferrule is tilted towards middle part, and the angle with the second cutting ferrule radial direction is 2 °.
The angle of outer shroud inclined-plane and the second cutting ferrule axial direction is 20 °.
The cross section of the excessive groove is subtriangular, and the subtriangular excessive angle is fillet, makes second
Cutting ferrule can greatly reduce the three-dimensional stress of the matrix transitional region of cutting edge and the second cutting ferrule after deformation, increasing that can be by a relatively large margin
Plus second cutting ferrule anti-fatigue ability, deformability and service life.
Embodiment is not construed as to limitation of the present utility model, any to be based on spiritual improvements introduced of the present utility model,
All should be within protection domain of the present utility model.
Claims (7)
1. a kind of ferrule-type compression joint, it includes a hollow fittings body and a nut, and pipe is set in fittings body and spiral shell
Female middle vacancy, is provided with cutting ferrule between pipe and fittings body, nut, it is characterised in that：The cutting ferrule includes the first cutting ferrule and the
Two cutting ferrules, the outer ring surface of the hollow ring boss of first cutting ferrule and the closely knit cooperation of the skewed slot of fittings body, and hollow ring is convex
The front end of the inner ring surface of platform forms cutting edge, and the cutting edge is cut in pipe body surface in the first cutting ferrule stress, first cutting ferrule
Hollow ring boss outer shroud horizontal plane and nut platform inner surface it is closely knit coordinate, the hollow ring of first cutting ferrule is convex
The closely knit cooperation of the inner ring step surface of platform and the outer shroud inclined-plane of the second cutting ferrule, the rear end of second cutting ferrule and the inside skewed slot of nut
It is closely knit to coordinate, the front end inner ring surface formation cutting edge of the second cutting ferrule, the outer surface of the cutting edge is outer shroud inclined-plane, and inwall is provided with extension
To the excessive groove of the second cutting ferrule rear end, the outer shroud inclined-plane of the cutting edge and the closely knit cooperation of the inner ring step surface of the first cutting ferrule, in institute
State and elastic component is provided between the first cutting ferrule and nut, the elastic component is located at the second cutting ferrule upper end, first cutting ferrule and second
Elastic component is provided between cutting ferrule.
2. a kind of ferrule-type compression joint according to claim 1, it is characterised in that the outer ring surface of the hollow ring boss
It is made up of a lead-in chamfered and a horizontal plane, the inner ring surface of the hollow ring boss is provided with an inner groovy.
3. a kind of ferrule-type compression joint according to claim 1, it is characterised in that the cutting edge front end face of second cutting ferrule
Tilted to middle part, the angle with the second cutting ferrule radial direction is 2 °.
4. a kind of ferrule-type compression joint according to claim 1, it is characterised in that the outer shroud inclined-plane and the second cutting ferrule axle
To angle be 20 °.
5. a kind of ferrule-type compression joint according to claim 1, it is characterised in that the cross section of the excessive groove is near
Like triangle, and the subtriangular excessive angle is fillet.
6. a kind of ferrule-type compression joint according to claim 1, it is characterised in that the fittings body is stainless steel structure
Body.
7. a kind of ferrule-type compression joint according to claim 1, it is characterised in that the nut is stainless steel structure body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413056.0U CN206563144U (en) | 2016-12-22 | 2016-12-22 | A kind of ferrule-type compression joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413056.0U CN206563144U (en) | 2016-12-22 | 2016-12-22 | A kind of ferrule-type compression joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563144U true CN206563144U (en) | 2017-10-17 |
Family
ID=60029638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621413056.0U Active CN206563144U (en) | 2016-12-22 | 2016-12-22 | A kind of ferrule-type compression joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318707A (en) * | 2019-07-04 | 2019-10-11 | 中国石油集团渤海钻探工程有限公司 | Oil pipe external seal cock valve connector |
-
2016
- 2016-12-22 CN CN201621413056.0U patent/CN206563144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318707A (en) * | 2019-07-04 | 2019-10-11 | 中国石油集团渤海钻探工程有限公司 | Oil pipe external seal cock valve connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200426 Address after: 316100 C2 District, Putuo District Mao Mao Industrial Park, Zhejiang, Zhoushan Patentee after: Zhejiang Juhang Intelligent Manufacturing Technology Co., Ltd Address before: 316100 C2 District, Putuo District Mao Mao Industrial Park, Zhejiang, Zhoushan Patentee before: ZHEJIANG JINFAN SHIP FITTINGS MANUFACTURING Co.,Ltd. |