CN109442117A - A kind of structure of low pressure pipe fitting and valve body cooperation - Google Patents
A kind of structure of low pressure pipe fitting and valve body cooperation Download PDFInfo
- Publication number
- CN109442117A CN109442117A CN201811448601.3A CN201811448601A CN109442117A CN 109442117 A CN109442117 A CN 109442117A CN 201811448601 A CN201811448601 A CN 201811448601A CN 109442117 A CN109442117 A CN 109442117A
- Authority
- CN
- China
- Prior art keywords
- low pressure
- pipe fitting
- pressure pipe
- valve body
- fit structure
- 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
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 12
- 239000010729 system oil Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a kind of low pressure pipe fittings and valve body fit structure, it include: low pressure pipe fitting, the low pressure pipe fitting is hollow structure, the connecting pin of the low pressure pipe fitting is equipped with the L-shaped step in a section along excircle, the O-ring is arranged on the L shape step of the connecting pin of the low pressure pipe fitting, and the valve body includes that the connecting pin of low pressure pipe fitting described in the interconnecting piece of described valve body one end is arranged in be arranged by the seal with O ring in the round table-like inside cavity.The configuration of the present invention is simple, it is convenient for disassembly and assembly, processing cost is lower, good airproof performance, a kind of low pressure pipe fitting and valve body fit structure is conveyed suitable for low pressure oil way, stairstepping is optimized for by valve body hole, to fix O-ring, oil leak caused by can preventing in this way because of parting line, to achieve the purpose that reduction system oil leak.Use the problem of greatly improving side leakage at assembly efficiency and very good solution oil connection of the invention.
Description
Technical field
The present invention relates to technical field of pipeline connection more particularly to the structures of a kind of low pressure pipe fitting and valve body cooperation.
Background technique
1. existing common low-voltage tube nylon connector is 3. O-ring directly assembles with the fit system of aluminium alloy valve body 2.
Low-voltage tube nylon connector is 1. in groove.Existing common low-voltage tube nylon connector 1. cooperation such as Fig. 1 institute with aluminium alloy valve body 2.
Show, such connector with dress O-ring groove, because the requirement groove of production technology demoulding can generate parting line, there is parting line
It just will affect O-ring 3. to cooperate with the sealing of low-voltage tube nylon connector 1., there is the risk of oil leak.When parting line height in practice
When degree is less than a certain value, 1. low-voltage tube nylon connector can just meet the requirements with the sealing cooperation of O-ring 3., oil leak do not occur, but
Parting line height just increases in this way because often part cannot be met the requirements for existing equipment, technique limitation in actual production process
The risk of big oil leak.
Therefore it provides the problem of a kind of low pressure pipe fitting and the improvement structure of valve body cooperation are urgent need to resolve of the present invention.
Summary of the invention
For the deficiency of the technology, the present invention is carried out excellent by the cooperation to existing common low pressure pipe fitting and valve body
Change, achieve the purpose that reduction system oil leak, the problem to be solved in the present invention provides a kind of simple in structure, good airproof performance and use
Convenient low pressure pipe fitting and valve body fit structure.
To achieve the above object, the present invention is realized by following scheme.A kind of low pressure pipe fitting and valve body fit structure,
It is characterised by comprising:
Low pressure pipe fitting, the low pressure pipe fitting are hollow structure, and the connecting pin of the low pressure pipe fitting is set along excircle
There is the L-shaped step in a section；
The lower section of the L shape step of the low pressure pipe fitting is arranged in O-ring, the O-ring；
Valve body, the valve body include the interconnecting piece that described valve body one end is arranged in, and the interconnecting piece is one hollow
The connecting pin of round table-like cavity, the low pressure pipe fitting is arranged in the round table-like cavity by the seal with O ring
Portion.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein the inside of the round table-like cavity is along the circle
The inner wall of mesa-shaped cavity is equipped with a step cutting pattern, and the bottom centre position of the round table-like cavity, which runs through, is equipped with a circular hole.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein the connecting pin and the round table-like cavity phase
Matching.
A kind of above-mentioned low pressure pipe fitting and valve body fit structure, wherein the external middle position of the low pressure pipe fitting
Equipped with an annular stop flange, and on the outer circle wall of the annular stop flange lower, insertion is provided with an annular snap
Slot.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein the lower end of the connecting pin is respectively equipped with interior oblique
Chamfering and outer ramp down angle.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein the outer diameter of the O-ring is slightly larger than the L shape
The bottom outer diameter of step.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein further include telescopic buckle, the telescopic buckle is set
It sets in the round table-like cavity, the telescopic buckle matches with the annular slot.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein the material of the low pressure pipe fitting is nylon material
Material, the valve body are aluminum alloy materials.
Above-mentioned a kind of low pressure pipe fitting and valve body fit structure, wherein the end of the telescopic buckle is set in italic shape
It sets, the telescopic buckle can fall into the annular slot under pressure.
The present invention has the advantages that
The configuration of the present invention is simple, processing cost is lower, good airproof performance, and a kind of low pressure pipe fitting and valve body cooperation are tied
Structure is conveyed suitable for low pressure oil way, can be very good to solve the problems, such as side leakage at oil connection, and convenient for disassembly and assembly, is greatly improved
Assembly efficiency.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of existing a kind of low pressure pipe fitting and valve body fit structure embodiment；
Fig. 2 is improved structural schematic diagram in a kind of low pressure pipe fitting of the present invention and valve body fit structure embodiment.
Appended drawing reference indicates explanation in description above:
1, low pressure pipe fitting；11, L shape step；2, valve body；3, O-ring；4, annular slot；41, telescopic buckle；5, circle
Hole；6, annular stop flange.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
As shown in Fig. 2, according to problem of the existing technology, now providing a kind of low pressure in preferred embodiments of the present invention
Pipe fitting and valve body fit structure, comprising:
Low pressure pipe fitting 1, low pressure pipe fitting 1 are hollow structure, and the connecting pin of low pressure pipe fitting 1 is equipped with one section along excircle
The L-shaped step in face；
The lower section of the L shape step 11 of low pressure pipe fitting 1 is arranged in O-ring 3, O-ring 3；
Valve body 2, valve body 2 include the interconnecting piece that 2 one end of valve body is arranged in, and interconnecting piece is a hollow round table shape chamber
The connecting pin of body, low pressure pipe fitting 1 is sealingly disposed in round table-like inside cavity by O-ring 3.
In preferred embodiments of the present invention, the bottom of the round table-like cavity of valve body 2 is equipped with along the inner wall of round table-like cavity
One step cutting pattern, the bottom centre position of the round table-like cavity of valve body 2, which runs through, is equipped with a circular hole 5.
In preferred embodiments of the present invention, the connecting pin of low pressure pipe fitting 1 matches with the round table-like cavity of valve body 2.
In preferred embodiments of the present invention, the middle position of the outer surface of low pressure pipe fitting 1 is equipped with an annular stop flange
6, and insertion is provided with an annular slot 4 on the outer circle wall of 6 lower part of annular stop flange.
In preferred embodiments of the present invention, the lower end of the connecting pin of low pressure pipe fitting 1 be respectively equipped with interior ramp down angle and it is outer tiltedly
Chamfering.
In preferred embodiments of the present invention, outside bottom of the outer diameter slightly larger than the L shape step of low pressure pipe fitting 1 of O-ring 3
Diameter.
It further include telescopic buckle 41 in preferred embodiments of the present invention, telescopic buckle 41 is arranged in round table-like cavity, stretches
Contracting buckle 41 and the annular slot 4 of low pressure pipe fitting 1 match.
In preferred embodiments of the present invention, the material of low pressure pipe fitting 1 is manufactured for nylon material, and valve body 2 is aluminium alloy
Material production.
In preferred embodiments of the present invention, the end of telescopic buckle 41 is arranged in italic shape, and telescopic buckle 41 is made in pressure
Annular slot 4 can be fallen under.
Specifically, in the present embodiment, as shown in Fig. 2, pruning the end of existing low-voltage tube nylon connector O-ring groove, together
When matched valve body hole be optimized for stairstepping, fix O-ring in this way, it is recessed to prune existing low-voltage tube nylon connector O-ring
The end of slot, no parting line, oil leak caused by can preventing in this way because of parting line, to reach can be accomplished at O-ring by assembling
To the purpose for reducing system oil leak.
The beneficial effects of the present invention are:
The configuration of the present invention is simple, convenient for disassembly and assembly, processing cost is lower, good airproof performance, a kind of low pressure pipe fitting with
Valve body fit structure is conveyed suitable for low pressure oil way, is optimized for stairstepping by valve body hole, to fix O-ring, and is pruned existing
The end of low pressure pipe fitting O-ring groove, no parting line can be accomplished at O-ring by assembling, and can be prevented because of parting line in this way
Caused oil leak can be very good to solve the problems, such as side leakage at oil connection to achieve the purpose that reduction system oil leak.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (9)
1. a kind of low pressure pipe fitting and valve body fit structure characterized by comprising
Low pressure pipe fitting, the low pressure pipe fitting are hollow structure, and the connecting pin of the low pressure pipe fitting is equipped with one along excircle
The L-shaped step in section；
The lower section of the L shape step of the low pressure pipe fitting is arranged in O-ring, the O-ring；
Valve body, the valve body include the interconnecting piece that described valve body one end is arranged in, and the interconnecting piece is a hollow round table
The connecting pin of shape cavity, the low pressure pipe fitting is arranged by the seal with O ring in the round table-like inside cavity.
2. a kind of low pressure pipe fitting according to claim 1 and valve body fit structure, which is characterized in that the round table-like chamber
The bottom of body is equipped with a step cutting pattern along the inner wall of the round table-like cavity, and the bottom centre position of the round table-like cavity runs through
Equipped with a circular hole.
3. a kind of low pressure pipe fitting according to claim 1 and valve body fit structure, which is characterized in that the connecting pin with
The round table-like cavity matches.
4. a kind of low pressure pipe fitting according to claim 1 and valve body fit structure, which is characterized in that the low-voltage tube connects
The external middle position of head is equipped with an annular stop flange, and is embedded in and sets on the outer circle wall of the annular stop flange lower
It is equipped with an annular slot.
5. a kind of low pressure pipe fitting according to claim 1 and valve body fit structure, which is characterized in that the connecting pin
Lower end is respectively equipped with interior ramp down angle and outer ramp down angle.
6. a kind of low pressure pipe fitting according to claim 1 and valve body fit structure, which is characterized in that the O-ring
Outer diameter is slightly larger than the bottom outer diameter of the L shape step.
7. a kind of low pressure pipe fitting according to claim 4 and valve body fit structure, which is characterized in that further include flexible card
Button, the telescopic buckle are arranged in the round table-like cavity, and the telescopic buckle matches with the annular slot.
8. a kind of low pressure pipe fitting according to claim 1 and valve body fit structure, which is characterized in that the low-voltage tube connects
The material of head is nylon material, and the valve body is aluminum alloy materials.
9. a kind of low pressure pipe fitting according to claim 7 and valve body fit structure, which is characterized in that the telescopic buckle
End be arranged in italic shape, the telescopic buckle can fall into the annular slot under pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448601.3A CN109442117A (en) | 2018-11-30 | 2018-11-30 | A kind of structure of low pressure pipe fitting and valve body cooperation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448601.3A CN109442117A (en) | 2018-11-30 | 2018-11-30 | A kind of structure of low pressure pipe fitting and valve body cooperation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109442117A true CN109442117A (en) | 2019-03-08 |
Family
ID=65556139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811448601.3A Pending CN109442117A (en) | 2018-11-30 | 2018-11-30 | A kind of structure of low pressure pipe fitting and valve body cooperation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109442117A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201289U (en) * | 1987-06-18 | 1988-12-26 | ||
| JP2000310384A (en) * | 1999-04-28 | 2000-11-07 | Nippon Pisuko:Kk | Pipe coupling |
| KR20020067980A (en) * | 2002-02-18 | 2002-08-24 | 진보정밀공업 주식회사 | Tube coupler |
| JP2002295756A (en) * | 2001-03-29 | 2002-10-09 | Tokai Rubber Ind Ltd | Simplified swivel hose joint |
| CN201106726Y (en) * | 2007-08-23 | 2008-08-27 | 冯波 | Rapid insertion type pipe joint |
| CN101487555A (en) * | 2008-10-31 | 2009-07-22 | 伍婧绫 | Pipe connector |
| CN101755162A (en) * | 2007-07-19 | 2010-06-23 | 诺格伦有限公司 | push-in adaptor |
| WO2016063654A1 (en) * | 2014-10-24 | 2016-04-28 | ニッタ株式会社 | Mechanism for connecting valve and joint |
| CN209430926U (en) * | 2018-11-30 | 2019-09-24 | 上海上汽马瑞利动力总成有限公司 | A kind of structure of low pressure pipe fitting and valve body cooperation |
-
2018
- 2018-11-30 CN CN201811448601.3A patent/CN109442117A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63201289U (en) * | 1987-06-18 | 1988-12-26 | ||
| JP2000310384A (en) * | 1999-04-28 | 2000-11-07 | Nippon Pisuko:Kk | Pipe coupling |
| JP2002295756A (en) * | 2001-03-29 | 2002-10-09 | Tokai Rubber Ind Ltd | Simplified swivel hose joint |
| KR20020067980A (en) * | 2002-02-18 | 2002-08-24 | 진보정밀공업 주식회사 | Tube coupler |
| CN101755162A (en) * | 2007-07-19 | 2010-06-23 | 诺格伦有限公司 | push-in adaptor |
| CN201106726Y (en) * | 2007-08-23 | 2008-08-27 | 冯波 | Rapid insertion type pipe joint |
| CN101487555A (en) * | 2008-10-31 | 2009-07-22 | 伍婧绫 | Pipe connector |
| WO2016063654A1 (en) * | 2014-10-24 | 2016-04-28 | ニッタ株式会社 | Mechanism for connecting valve and joint |
| CN106795985A (en) * | 2014-10-24 | 2017-05-31 | 霓达株式会社 | The bindiny mechanism of valve and joint |
| CN209430926U (en) * | 2018-11-30 | 2019-09-24 | 上海上汽马瑞利动力总成有限公司 | A kind of structure of low pressure pipe fitting and valve body cooperation |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |