CN202756621U - Compound sealing device for switching mechanism - Google Patents

Compound sealing device for switching mechanism Download PDF

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Publication number
CN202756621U
CN202756621U CN 201220375325 CN201220375325U CN202756621U CN 202756621 U CN202756621 U CN 202756621U CN 201220375325 CN201220375325 CN 201220375325 CN 201220375325 U CN201220375325 U CN 201220375325U CN 202756621 U CN202756621 U CN 202756621U
Authority
CN
China
Prior art keywords
static
washer
switching
groove
moving
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 - Fee Related
Application number
CN 201220375325
Other languages
Chinese (zh)
Inventor
张德君
卜宏辉
苏坤
Original Assignee
张德君
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 张德君 filed Critical 张德君
Priority to CN 201220375325 priority Critical patent/CN202756621U/en
Application granted granted Critical
Publication of CN202756621U publication Critical patent/CN202756621U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a compound sealing device for a switching mechanism. The compound sealing device for the switching mechanism comprises a stationary part and a mobile part and is characterized in that a cyclic annular boss and a sealed boss are arranged at the lower end of the mobile part, a rubber sealed washer concave groove and a metal sealed washer concave groove are placed on the end face of the stationary part, a rubber sealed washer is arranged in the rubber sealed washer concave groove and a metal sealed washer is arranged in the metal sealed washer concave groove. The cyclic annular boss of the mobile part is contacted with the rubber sealed washer arranged in the rubber sealed washer concave groove placed on one end face of the stationary part. The sealed boss of the mobile part is contacted with the metal sealed washer arranged in the metal sealed washer concave groove placed on one end face of the stationary part. The compound sealing device for the switching mechanism has the advantages of being reasonable in structure, good in sealing performance and long in service life.

Description

A kind of switching mechanism compound sealing device
Technical field
The utility model is seal arrangement, more particularly, is a kind of switching mechanism compound sealing device.
Background technique
Usually at the end face of the fixed component of switching mechanism and the end face bonded block of moving member standstill seal mechanism is set, the structure of existing end sealing mechanism is, end face at static part arranges groove, be built-in with seal washer at groove, the end face of moving member realizes contacting sealing by the built-in seal washer of static part end face groove.Existing end face standstill seal mechanism is only applicable to two sealings between the static part, and the seal request when not satisfying moving member and contacting with static part exists seal washer to damage easily, poor sealing performance, working life is low wait not enough.
Summary of the invention
The purpose of this utility model is prior art is improved, and provides a kind of rational in infrastructure, good seal performance, the switching mechanism compound sealing device of long service life.
The purpose of this utility model is to be achieved in that a kind of switching mechanism compound sealing device by following technological scheme, it comprises static part and moving member, it is characterized in that, be provided with annular boss and seal boss in the lower end of described moving member, be provided with rubber gasket groove and metal packing washer groove at described static part end face, rubber gasket places in the rubber gasket groove, metal packing washer places in the metal packing washer groove, the built-in rubber gasket of the annular boss of described moving member and static part end face rubber gasket groove contacts, and the built-in metal packing washer of the seal boss of described moving member and static part end plane metal seal washer groove contacts.
A kind of switching mechanism of the present utility model with the beneficial effect of compound sealing device is: the rubber gasket built-in owing to the annular boss that adopts moving member and static part end face rubber gasket groove contacts, the composite seal structure of formation because the built-in metal packing washer of the seal boss of moving member and static part end plane metal seal washer groove contacts again, it is rational in infrastructure, good seal performance, long service life.
Description of drawings
Fig. 1 is switching mechanism compound sealing device half section schematic representation;
Fig. 2 is I enlarged diagram among Fig. 1.
Among the figure: 1 static part, 4 rubber gaskets, 5 metal packing washers, 6 moving members, 7 annular boss, 18 rubber gasket grooves, 19 metal packing washer grooves, 20 seal bosses.
Embodiment
Below by embodiment the utility model is described in detail:
With reference to Fig. 1 and 2, a kind of switching mechanism of the present utility model comprises static part 1 and moving member 6 with compound sealing device, be provided with annular boss 7 and seal boss 20 in the lower end of described moving member 6, be provided with rubber gasket groove 18 and metal packing washer groove 19 at described static part 1 end face, rubber gasket 4 places in the rubber gasket groove 18, metal packing washer 5 places in the metal packing washer groove 19, the annular boss 7 of described moving member 6 and static part 1 end face rubber gasket groove 18 built-in rubber gaskets 4 contact, and the seal boss 20 of described moving member 6 and static part 1 end plane metal seal washer groove 19 built-in metal packing washers 5 contact.The rubber gasket 4 of this embodiment is the commercially available prod.Metal packing washer 5 adopts red copper or brass to make, and also can adopt the composite graphite material to make.
The automatic open-close type explosion proof door that a kind of switching mechanism of the present utility model is installed through defeated coal and pulverizing system in the thermal power plant with compound sealing device is used and is brought notable results, the door closure of automatic open-close type explosion proof door is moving member 6, the static part 1 that is connected with pulverizing system with defeated coal, the annular boss 7 of the door closure of automatic open-close type explosion proof door and static part 1 rubber gasket groove 18 built-in rubber gaskets 4 are contacted, the seal boss 20 of door closure and static part 1 metal packing washer groove 19 built-in metal packing washers 5 contact, and make the door closure sealing pressing synthesize closed condition, when defeated coal and pulverizing system surpass setting pressure and after making door closure open quick-fried release pressure, sealing state remains unchanged when returning to original position again, door closure is after repeatedly opening quick-fried release pressure, sealing state has been realized the purpose of this utility model and has been reached described technique effect without unusually when returning to original position again.

Claims (1)

1. switching mechanism compound sealing device, it comprises static part and moving member, it is characterized in that, be provided with annular boss and seal boss in the lower end of described moving member, be provided with rubber gasket groove and metal packing washer groove at described static part end face, rubber gasket places in the rubber gasket groove, metal packing washer places in the metal packing washer groove, the built-in rubber gasket of the annular boss of described moving member and static part end face rubber gasket groove contacts, and the built-in metal packing washer of the seal boss of described moving member and static part end plane metal seal washer groove contacts.
CN 201220375325 2012-08-01 2012-08-01 Compound sealing device for switching mechanism Expired - Fee Related CN202756621U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220375325 CN202756621U (en) 2012-08-01 2012-08-01 Compound sealing device for switching mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220375325 CN202756621U (en) 2012-08-01 2012-08-01 Compound sealing device for switching mechanism

Publications (1)

Publication Number Publication Date
CN202756621U true CN202756621U (en) 2013-02-27

Family

ID=47735805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220375325 Expired - Fee Related CN202756621U (en) 2012-08-01 2012-08-01 Compound sealing device for switching mechanism

Country Status (1)

Country Link
CN (1) CN202756621U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738587A (en) * 2013-12-31 2014-04-23 宏秀电气有限公司 Vacuum storage cabinet and working method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103738587A (en) * 2013-12-31 2014-04-23 宏秀电气有限公司 Vacuum storage cabinet and working method thereof

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130227

Termination date: 20150801