CN203614772U - Central oil draining valve - Google Patents
Central oil draining valve Download PDFInfo
- Publication number
- CN203614772U CN203614772U CN201320834858.9U CN201320834858U CN203614772U CN 203614772 U CN203614772 U CN 203614772U CN 201320834858 U CN201320834858 U CN 201320834858U CN 203614772 U CN203614772 U CN 203614772U
- Authority
- CN
- China
- Prior art keywords
- valve body
- central oil
- flap
- sagittal plane
- oil outlet
- 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.)
- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 abstract description 6
- 101001017827 Mus musculus Leucine-rich repeat flightless-interacting protein 1 Proteins 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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- Check Valves (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a central oil draining valve which comprises a valve clack and a valve body, wherein the valve clack stretches into the valve body and is in contact with the valve body, contact surfaces comprise a conical surface and a radial surface, and the conical surface where the valve clack is in contact with the valve body is provided with a conical surface seal ring. The central oil draining valve is good in sealing effect.
Description
Technical field
The utility model belongs to mechanical field, relates to a kind of draining valve, relates in particular to a kind of for the central oil outlet valve on tank car.
Background technique
Existing central oil outlet valve is mainly made up of valve body, flap, spring, valve gap etc.; The position that wherein flap contacts with valve body is the conical surface, can not effectively solve the problem of foreign body retention on sealing surface, and using effect is not good enough.
Model utility content
In order to solve the above-mentioned technical problem existing in background technique, the utility model provides a kind of central oil outlet valve of good sealing effect.
Technical solution of the present utility model is: the utility model provides a kind of central oil outlet valve, comprises flap and valve body, and described flap stretches in valve body and with valve body and contacts, and described surface of contact comprises the conical surface and sagittal plane; Its special way is: the conical surface place that described flap contacts with valve body is provided with conical surface seal circle.
Above-mentioned conical surface seal circle is O RunddichtringO.
The sagittal plane place that above-mentioned flap contacts with valve body is provided with sagittal plane seal ring.
Above-mentioned sagittal plane seal ring is O RunddichtringO.
The sagittal plane place that above-mentioned flap contacts with valve body is also provided with the wiper ring walking abreast mutually with sagittal plane seal ring.
Above-mentioned central oil outlet valve also comprises the flap guide sleeve that is arranged on flap bottom.
The utility model has the advantages that:
The utility model provides a kind of central oil outlet valve, this central oil outlet valve is in order to solve the poor problem of sealing effect in prior art, the conical surface place specially contacting with valve body at flap is provided with conical surface seal circle, the sagittal plane place contacting with valve body at flap is provided with sagittal plane seal ring, makes the combination seal between flap and valve body reliable; Meanwhile, the sagittal plane place that the utility model contacts with valve body at flap is provided with the wiper ring walking abreast mutually with sagittal plane seal ring, and wiper ring can effectively be cleared up the foreign matter being trapped in radial sealing surfaces, guarantees the reliability of radial seal.
Accompanying drawing explanation
Fig. 1 is the structural representation of central oil outlet valve provided by the utility model;
Fig. 2 is the structural representation of the flap that adopts of the utility model;
Fig. 3 is another preferred construction schematic diagram of the flap that adopts of the utility model;
Wherein:
1-flap; 2-valve body; 3-conical surface seal circle; 4-sagittal plane seal ring; 5-wiper ring; 6-valve gap; 7-spring.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of central oil outlet valve, comprises valve gap 6, spring 7, flap 1 and valve body 2, and flap 1 stretches in valve body 2 and with valve body 2 and contacts, and surface of contact comprises the conical surface and sagittal plane; The conical surface place that flap 1 contacts with valve body 2 is provided with conical surface seal circle 3, and conical surface seal circle 3 is O RunddichtringOs.
The sagittal plane place that flap 1 contacts with valve body 2 is provided with sagittal plane seal ring 4, and sagittal plane seal ring 4 is O RunddichtringOs.
The sagittal plane place that flap 1 contacts with valve body 2 is also provided with the wiper ring 5 walking abreast mutually with sagittal plane seal ring 4, and wiper ring can effectively be cleared up the foreign matter being trapped in radial sealing surfaces.Central oil outlet valve also comprises the flap guide sleeve that is arranged on flap bottom or valve gap lower end.
Claims (6)
1. a central oil outlet valve, comprises flap and valve body, and described flap stretches in valve body and with valve body and contacts, and described surface of contact comprises the conical surface and sagittal plane; It is characterized in that: the conical surface place that described flap contacts with valve body is provided with conical surface seal circle.
2. central oil outlet valve according to claim 1, is characterized in that: described conical surface seal circle is O RunddichtringO.
3. central oil outlet valve according to claim 1 and 2, is characterized in that: the sagittal plane place that described flap contacts with valve body is provided with sagittal plane seal ring.
4. central oil outlet valve according to claim 3, is characterized in that: described sagittal plane seal ring is O RunddichtringO.
5. central oil outlet valve according to claim 4, is characterized in that: the sagittal plane place that described flap contacts with valve body is also provided with the wiper ring walking abreast mutually with sagittal plane seal ring.
6. central oil outlet valve according to claim 5, is characterized in that: described central oil outlet valve also comprises the flap guide sleeve that is arranged on flap bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320834858.9U CN203614772U (en) | 2013-12-17 | 2013-12-17 | Central oil draining valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320834858.9U CN203614772U (en) | 2013-12-17 | 2013-12-17 | Central oil draining valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203614772U true CN203614772U (en) | 2014-05-28 |
Family
ID=50767421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320834858.9U Expired - Lifetime CN203614772U (en) | 2013-12-17 | 2013-12-17 | Central oil draining valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203614772U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103671978A (en) * | 2013-12-17 | 2014-03-26 | 西安轨道交通装备有限责任公司 | Central oil draining valve |
-
2013
- 2013-12-17 CN CN201320834858.9U patent/CN203614772U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103671978A (en) * | 2013-12-17 | 2014-03-26 | 西安轨道交通装备有限责任公司 | Central oil draining valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: Three Town Weiyang District 710086 Shaanxi city of Xi'an Province Patentee after: CRRC XI'AN Co.,Ltd. Address before: 710086 Xi'an City, Shaanxi Province town of three Patentee before: XI' AN RAILWAY TRANSPORTATION EQUIPMENT Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140528 |