CN206802550U - Collar joint flexible sealing structure - Google Patents
Collar joint flexible sealing structure Download PDFInfo
- Publication number
- CN206802550U CN206802550U CN201720286639.XU CN201720286639U CN206802550U CN 206802550 U CN206802550 U CN 206802550U CN 201720286639 U CN201720286639 U CN 201720286639U CN 206802550 U CN206802550 U CN 206802550U
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- China
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- collar joint
- sealing ring
- cutting ferrule
- tubular body
- nut
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Abstract
It the utility model is related to a kind of collar joint flexible sealing structure, the structure comprises at least collar joint body (1), nut (2), tubular body (3), cutting ferrule (4) and sealing ring (5), the collar joint body (1) has the conical surface (6) and external screw thread (8) in collar joint body, the nut (2) has internal thread (7), tubular body (3) one end outer wall is fixedly connected with cutting ferrule (4), the sealing ring (5) is nested with tubular body (3) one end outer wall and contacted with cutting ferrule (4), the other end of the tubular body (3) is through nut (2) exposed to outer, the sealing ring (5) is adapted with the conical surface (6) in collar joint body, the internal thread (7) and external screw thread (8) are engaged.This product can effectively prevent three leakages (oil leak, gas leakage, leak) phenomenon from occurring；Be provided simultaneously with low difficulty of processing, steady quality, beneficial to mass production the characteristics of.
Description
Technical field
A kind of collar joint flexible sealing structure is the utility model is related to, belongs to the production of collar joint flexible sealing structure
Product technical field.
Background technology
Motor vehicle card shell type joint flexible sealing structure is typically by collar joint body, cutting ferrule, nut and pipe at present
Body forms (referring to GB/T3764-2008 cutting ferrules).And the key component cutting ferrule sealed, due to material generally use metalwork, and
Machining accuracy is also high, and when being fixedly connected with pipe fitting, forces the deformation of cutting ferrule end to be fixed with body using necking mode；Due to
Being fastened in deformation process can make product sealing surface produce irregular deformation, so as to reduce sealing, easily cause three leakages (leakage
Oil, gas leakage, leak) phenomenon generation.Under serious conditions, motor vehicle steering system or brake system failure will be caused, harm is extremely
It is great.
Sealing qualification rate through the existing sealing structure of market survey is：Verify that qualification rate is 97% when pressure is 1.0Mpa；
Verify that qualification rate is 95% when pressure is 7.0Mpa；Verify that qualification rate is 92% when pressure is 15.0Mpa；Verifying pressure is
Qualification rate is 88% during 30.0Mpa；Verify that qualification rate is 85% when pressure is 40.0Mpa.It can be seen with this and have sealing structure
Sealing qualification rate can not meet demand, rapidly increase with using pressure rise, percent defective.Also, use pressure general
Under power, qualification rate is also satisfied with without decree manufacturer.
Therefore, existing motor vehicle card shell type joint flexible sealing structure existing defects, are badly in need of being improved.
The content of the invention
The purpose of this utility model, which is to provide one kind, can effectively prevent three leakages (oil leak, gas leakage, leak) phenomenon from occurring；Simultaneously
Possess low difficulty of processing, steady quality, the collar joint flexible sealing structure beneficial to mass production.
Basic conception of the present utility model is：Cutting ferrule sealing surface is revised as a kind of flexible structure, added so as to reduce product
Work and technology difficulty, improve product hermeticity energy.Due to providing a kind of novel collar joint using the utility model
Flexible sealing structure, by hard-hard contact sealing structure of the prior art be changed to it is hard it is-soft-contact sealing structure firmly, can be effective
Prevent three leakages (oil leak, gas leakage, leak) phenomenon from occurring, and can prevent metalwork from deforming；It is provided simultaneously with that difficulty of processing is low, quality
The characteristics of stable, beneficial to mass production.In actual use, moreover it is possible to pass through what can be plastically deformed in flexible sealing structure
Working of plastics or rubber parts play certain cushioning effect, prevent that joint looseness sealing is lost caused by being given a shock or impacting
Effect, so as to significantly extend the service life of product.Use collar joint flexible sealing structure sealing effectiveness for：Checking pressure
Qualification rate is 100% when power is 1.0Mpa；Verify that qualification rate is 100% when pressure is 7.0Mpa；When checking pressure is 15.0Mpa
Qualification rate is 100%；Verify that qualification rate is 100% when pressure is 30.0Mpa；Qualification rate is when checking pressure is 40.0Mpa
99.5%.It can be found out with this and meet demand is entirely capable of using the utility model collar joint flexible sealing structure, with use
Pressure rise, percent defective, which has no, substantially to be increased.Moreover, in the case where typically using pressure, qualification rate makes manufacturer be satisfied with completely.Enter
And the harm of motor vehicle steering system or brake system failure is prevented.
Sealing ring (5) described in the utility model be the working of plastics that can be plastically deformed (such as：PA、PE、POM、PET、
PBT, ABS etc.) or rubber parts, its section configuration can be circular or ellipse or rectangle or abnormal shape.
Tubular body (3) described in the utility model and cutting ferrule (4) are linked together by riveting or be welded and fixed, and also may be used
One entirety is made as using integral structure.
Nut (2) described in the utility model is rotatable to be slidably mounted on tubular body (3), tubular body (3) and card
Set (4) is fixed together and (can also use integral structure), and one end contacts with nut (2)；Sealing ring (5) is assemblied in tubulose
On body (3) is cylindrical, one end contacts with cutting ferrule (4), and the other end contacts with the conical surface (6) in collar joint body；When rotating nuts (2)
When, nut (2) with internal thread (7) and collar joint body (1) with external screw thread (8) in the presence of, promote tubulose
Body (3) is mobile to collar joint body (1) with cutting ferrule (4), while forces sealing ring (5) to produce plastic deformation, while and cutting ferrule
Formula fittings body inner conical surface (5), tubular body (3) are cylindrical and cutting ferrule (4) is in close contact, and fill mutual gap, form one
It is individual high voltage bearing to seal entirety, so as to promote sealing function.
Specifically, collar joint flexible sealing structure described in the utility model, it is characterized in that comprising at least cutting ferrule
Formula fittings body (1), nut (2), tubular body (3), cutting ferrule (4) and sealing ring (5), the collar joint body (1) have cutting ferrule
Formula fittings body inner conical surface (6) and external screw thread (8), the nut (2) have an internal thread (7), tubular body (3) one end outer wall with
Cutting ferrule (4) is fixedly connected, and the sealing ring (5) is nested with tubular body (3) one end outer wall and contacted with cutting ferrule (4), the tubulose
Through nut (2) outside, the sealing ring (5) is adapted the other end of body (3) with the conical surface (6) in collar joint body,
The internal thread (7) and external screw thread (8) are engaged.
Tubular body described in the utility model (3) and cutting ferrule (4) can be integral type structure.When the tubular body (3) and
When cutting ferrule (4) is integral type structure, the tubular body (3) positioning is more accurate, cutting ferrule (4) also will not because of the vibration in use and
Displacement, and then ensure that firmness of the tubular body (3) in whole joint.In other words, tubular body (3) is no in this case
It can be come off because of external vibration.
Sealing ring described in the utility model (5) is PA, PE, POM, PET, the PBT or ABS plastic that can be plastically deformed
Sealing ring made of part etc. (5), or sealing ring (5) made of rubber parts, the section configuration of the sealing ring (5) is circle
Shape or ellipse or rectangle or abnormal shape, the even special-shaped section with multi-angle.
Compared with the aforementioned existing similar products, collar joint flexible sealing structure of the present utility model can effectively prevent three
(oil leak, gas leakage, leak) phenomenon is leaked to occur；Be provided simultaneously with low difficulty of processing, steady quality, beneficial to mass production the characteristics of.
Content of the present utility model is further described with the following Examples, but content of the present utility model is not only
It is limited to content involved in embodiment.
Brief description of the drawings
Fig. 1 is the structural representation of collar joint flexible sealing structure in embodiment.
Fig. 2 is the sealing schematic diagram of collar joint flexible sealing structure in embodiment.
Embodiment
As shown in Fig. 1~2, the collar joint flexible sealing structure described in the present embodiment, including collar joint body
1st, nut 2, tubular body 3, cutting ferrule 4 and sealing ring 5, the collar joint body 1 have the conical surface 6 and outer spiral shell in collar joint body
Line 8, the nut 2 have internal thread 7, and one end outer wall of tubular body 3 is fixedly connected with cutting ferrule 4, and the sealing ring 5 is nested with
One end outer wall of tubular body 3 simultaneously contacts with cutting ferrule 4, and the other end of the tubular body 3 is exposed to outer, the sealing ring 5 through nut 2
It is adapted with the conical surface 6 in collar joint body, the internal thread 7 and external screw thread 8 are engaged.
Sealing ring 5 described in the present embodiment is that sealing ring 5, the section configuration of the sealing ring 5 are made of rubber parts
Special-shaped section with multi-angle.
Claims (3)
- A kind of 1. collar joint flexible sealing structure, it is characterized in that including at least collar joint body (1), nut (2), tubulose Body (3), cutting ferrule (4) and sealing ring (5), the collar joint body (1) have the conical surface (6) and external screw thread in collar joint body (8), the nut (2) has internal thread (7), and tubular body (3) one end outer wall is fixedly connected with cutting ferrule (4), the sealing Ring (5) is nested with tubular body (3) one end outer wall and contacted with cutting ferrule (4), and the other end of the tubular body (3) passes through nut (2) Exposed to outer, the sealing ring (5) is adapted with the conical surface (6) in collar joint body, the internal thread (7) and external screw thread (8) It is engaged.
- 2. collar joint flexible sealing structure as claimed in claim 1, it is characterized in that the tubular body (3) and cutting ferrule (4) For integral type structure.
- 3. collar joint flexible sealing structure as claimed in claim 1 or 2, it is characterized in that the sealing ring (5) is to send out Sealing ring (5) made of PA, PE, POM, PET, PBT or ABS plastic part of raw plastic deformation, or made of rubber parts it is close Seal ring (5), the section configuration of the sealing ring (5) is circular or ellipse or rectangle or abnormal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286639.XU CN206802550U (en) | 2017-03-23 | 2017-03-23 | Collar joint flexible sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286639.XU CN206802550U (en) | 2017-03-23 | 2017-03-23 | Collar joint flexible sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802550U true CN206802550U (en) | 2017-12-26 |
Family
ID=60729854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720286639.XU Active CN206802550U (en) | 2017-03-23 | 2017-03-23 | Collar joint flexible sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838502A (en) * | 2017-03-23 | 2017-06-13 | 四川柯世达汽车制动系统集团有限公司 | Collar joint flexible sealing structure |
-
2017
- 2017-03-23 CN CN201720286639.XU patent/CN206802550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838502A (en) * | 2017-03-23 | 2017-06-13 | 四川柯世达汽车制动系统集团有限公司 | Collar joint flexible sealing structure |
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