CN203614772U - Central oil draining valve - Google Patents

Central oil draining valve Download PDF

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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
Application number
CN201320834858.9U
Other languages
Chinese (zh)
Inventor
周建辉
李向东
金耀辉
朱英波
卢奎刚
张伟明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Xian Co Ltd
Original Assignee
Xian Railway Transportation and Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Railway Transportation and Equipment Co Ltd filed Critical Xian Railway Transportation and Equipment Co Ltd
Priority to CN201320834858.9U priority Critical patent/CN203614772U/en
Application granted granted Critical
Publication of CN203614772U publication Critical patent/CN203614772U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • 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

Central oil outlet valve
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.
CN201320834858.9U 2013-12-17 2013-12-17 Central oil draining valve Expired - Lifetime CN203614772U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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