CN2767921Y - Expansion valve gas box head assembly - Google Patents

Expansion valve gas box head assembly Download PDF

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Publication number
CN2767921Y
CN2767921Y CN 200420114339 CN200420114339U CN2767921Y CN 2767921 Y CN2767921 Y CN 2767921Y CN 200420114339 CN200420114339 CN 200420114339 CN 200420114339 U CN200420114339 U CN 200420114339U CN 2767921 Y CN2767921 Y CN 2767921Y
Authority
CN
China
Prior art keywords
diaphragm
expansion valve
gas tank
head parts
utility
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
CN 200420114339
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Chinese (zh)
Inventor
史初良
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.)
Zhejiang Sanhua Automotive Components Co Ltd
Original Assignee
Zhejiang Sanhua Refrigeration Group 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 Zhejiang Sanhua Refrigeration Group Co Ltd filed Critical Zhejiang Sanhua Refrigeration Group Co Ltd
Priority to CN 200420114339 priority Critical patent/CN2767921Y/en
Application granted granted Critical
Publication of CN2767921Y publication Critical patent/CN2767921Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an air box head assembly of an expansion valve, which comprises an air box cover, an air box seat, a diaphragm and a transmission sheet, wherein one side of the diaphragm is provided with a medium cavity which is composed of the diaphragm and the air box cover; the transmission sheet is positioned on the other side of the diaphragm. The utility model is characterized in that a protruding position is arranged on the air box cover; a filling through hole is arranged on the protruding position and a cover cap is welded on the protruding position. The utility model has the advantages of simple structure; good sealing effect and strong practicability.

Description

A kind of expansion valve air tank head parts
[technical field]
The utility model relates to a kind of thermal expansion valve arrangement that is used for the fluid medium throttling, a kind of specifically expansion valve air tank head parts.
[background technology]
The existing heating power expansion valve that is used for refrigeration system such as air-conditioning comprises valve body, supported by spring and cooperates with the valve hole part that changes valve port opening with valve port in the valve body and experience the degree of superheat and the air tank head parts that move with the promotion valve hole part by the drive link axial action; Air tank head parts wherein comprise gas tank lid, gas tank seat, diaphragm and driver blade, and wherein diaphragm one side is the dielectric cavity that itself and gas tank lid constitute, and driver blade is positioned at the diaphragm opposite side and is in free movement state.During work, the refrigerant medium valve port of flowing through, the air tank head parts are experienced the degree of superheat of evaporator outlet end and are made media expansion in the dielectric cavity or contraction and act on diaphragm, by diaphragm power is passed to the drive link axial action by driver blade again, promoting valve hole part moves near valve port, change valve port opening,, reach the purpose of regulating the control temperature with the control cold medium flux.Yet the air tank head parts of existing structure, the sealing mode of its dielectric cavity have two kinds: a kind of is by being arranged on the capillary that gas tank covers medium to be filled to dielectric cavity, afterwards capillary is sealed; Another kind is to cover at gas tank filled hole is set, and will fill the hole shutoff with stopper by filling again after the hole fills in dielectric cavity; Wherein the former seals the cost height, and the latter normally is enclosed in stopper in the filled hole by the mode of welding, though this mode cost is lower, is difficult to control welding quality, and corrodes and the generation leakage easily at pad.
[utility model content]
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the existing technological deficiency of above-mentioned air tank head parts, and a kind of expansion valve air tank head parts of being convenient to control welding quality are provided, to improve the serviceability of heating power expansion valve.For this reason, the utility model is taked following technical proposals:
A kind of expansion valve air tank head parts, comprise gas tank lid, gas tank seat, diaphragm and driver blade, wherein diaphragm one side is the dielectric cavity that itself and gas tank lid constitute, driver blade is positioned at the diaphragm opposite side, it is characterized in that described gas tank covers to be provided with protrudes the position, offers filled through hole on this protrusions position and is welded with block.Described block is enclosed within and protrudes on the position, and will fill the through hole shutoff by the mode of welding, is convenient to control welding quality, prevents to leak.
Described expansion valve air tank head parts is characterized in that described welding position is in the end and the sidepiece that protrude the position.Guarantee welding quality by this twice welding, avoid leaking.
Described expansion valve air tank head parts is characterized in that being provided with anticorrosion structure between the edge of described block and the gas tank lid.This anticorrosion structure can be a braze-welded structure, can be anti-corrosion material also, reaches the corrosion-resistant purpose.
The utility model protrudes the position by covering at gas tank to be provided with, and offers on the protrusion position and fills through hole and welding block, reaches the effect of excellent sealing, and it is simple in structure, and is practical.
Below in conjunction with Figure of description the utility model is described further.
[description of drawings]
Fig. 1 is the heating power expansion valve schematic diagram that comprises the utility model structure.
Fig. 2 is the fit structure schematic diagram of related air tank head parts among Fig. 1.
Fig. 3,4 is two kinds of structural representations in addition of the present utility model.
Among the figure: 1-air tank head parts, the 11-block, 12-gas tank lid, the 13-diaphragm, 14-gas tank seat, the 15-driver blade, the 2-drive link, the 3-steel ball, the 4-spring, the 5-valve body, A-protrudes the end at position, and B-protrudes the sidepiece at position, C-braze-welded structure, D-chamfering.
[specific embodiment]
Embodiment one: heating power expansion valve as shown in Figure 1 and existing thermal expansion valve arrangement are basic identical, do not do at this and give unnecessary details; Its difference is air tank head parts 1, it comprises gas tank lid 12, gas tank seat 14, diaphragm 13 and driver blade 14, wherein diaphragm 13 1 sides are the dielectric cavity that itself and gas tank lid constitute, driver blade is positioned at the diaphragm opposite side, gas tank covers and is provided with columned protrusion position, offer filled through hole on this protrusion position, and, guarantee sealing effectiveness by end A that protrudes the position and sidepiece B welding block 11 (seeing Fig. 2 for details).
Embodiment two: as shown in Figure 3, be that chamfering D (or fillet) structure is arranged in the end of protruding the position, be convenient to guarantee welding quality.
Embodiment three: as shown in Figure 4, be to carry out braze-welded structure C between edge of blocking a shot and gas tank lid, reach the corrosion-resistant purpose.

Claims (3)

1, a kind of expansion valve air tank head parts, comprise gas tank lid, gas tank seat, diaphragm and driver blade, wherein diaphragm one side is the dielectric cavity that itself and gas tank lid constitute, driver blade is positioned at the diaphragm opposite side, it is characterized in that described gas tank covers to be provided with protrudes the position, offers filled through hole on this protrusions position and is welded with block.
2, expansion valve air tank head parts according to claim 1 is characterized in that described welding position is in the end and the sidepiece that protrude the position.
3, expansion valve air tank head parts according to claim 1 and 2 is characterized in that being provided with anticorrosion structure between the edge of described block and the gas tank lid.
CN 200420114339 2004-12-14 2004-12-14 Expansion valve gas box head assembly Expired - Lifetime CN2767921Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420114339 CN2767921Y (en) 2004-12-14 2004-12-14 Expansion valve gas box head assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420114339 CN2767921Y (en) 2004-12-14 2004-12-14 Expansion valve gas box head assembly

Publications (1)

Publication Number Publication Date
CN2767921Y true CN2767921Y (en) 2006-03-29

Family

ID=36681786

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420114339 Expired - Lifetime CN2767921Y (en) 2004-12-14 2004-12-14 Expansion valve gas box head assembly

Country Status (1)

Country Link
CN (1) CN2767921Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101524800B (en) * 2008-03-05 2011-03-30 浙江三花汽车控制系统有限公司 Method for welding expansion valve
CN110168288A (en) * 2017-01-11 2019-08-23 大金工业株式会社 Air-conditioning device and indoor unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101524800B (en) * 2008-03-05 2011-03-30 浙江三花汽车控制系统有限公司 Method for welding expansion valve
CN110168288A (en) * 2017-01-11 2019-08-23 大金工业株式会社 Air-conditioning device and indoor unit

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: ZHEJIANG SANHUA VEHICLE CONTROL SYSTEM CO.LTD.; P

Free format text: FORMER OWNER: ZHEJIANG SANHUA CLIMATE + APPLIANCE CONTROLS GROUP CO., LTD. UNDER LIQUAN

Effective date: 20080411

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20080411

Address after: Three flower Industrial Park, No. 21, 60 street, economic and Technological Development Zone, Zhejiang, Hangzhou Province, China: 310018

Co-patentee after: Zhejiang Sanhua Automobile Components Co., Ltd.

Patentee after: Zhejiang three flower Auto Control System Co., Ltd.

Address before: Lower Liquan, Chengguan Town, Xinchang County, Zhejiang Province, China: 312500

Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang

ASS Succession or assignment of patent right

Free format text: FORMER OWNER: ZHEJIANG SHANHUA AUTOMOBILE COMPONENTS CO., LTD.

Owner name: ZHEJIANG SHANHUA AUTOMOBILE COMPONENTS CO., LTD.

Free format text: FORMER OWNER: ZHEJIANG SANHUA AUTOMOBILE CONTROL SYSTEM CO., LTD.

Effective date: 20110524

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 310018 SANHUA INDUSTRIAL PARK, NO. 60, NO. 21 STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 310018 NO. 60, NO. 21 STREET, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, HANGZHOU CITY, ZHEJIANG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20110524

Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60

Patentee after: Zhejiang Sanhua Automobile Components Co., Ltd.

Address before: 310018 three flower Industrial Park, No. 21, 60 Avenue, Hangzhou economic and Technological Development Zone, Zhejiang

Co-patentee before: Zhejiang Sanhua Automobile Components Co., Ltd.

Patentee before: Zhejiang Sanhua Auto Control System Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: ZHEJIANG SANHUA AUTO PARTS STOCK CO., LTD.

Free format text: FORMER NAME: ZHEJIANG SANHUA AUTO PARTS CO., LTD.

CP03 Change of name, title or address

Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301

Patentee after: Zhejiang Sanhua Auto Parts Co.,Ltd.

Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60

Patentee before: Zhejiang Sanhua Automobile Components Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: ZHEJIANG SANHUA AUTO PARTS CO., LTD.

Free format text: FORMER NAME: ZHEJIANG SANHUA AUTO PARTS STOCK CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301

Patentee after: Zhejiang Sanhua Automobile Components Co., Ltd.

Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301

Patentee before: Zhejiang Sanhua Auto Parts Co.,Ltd.

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20141214

Granted publication date: 20060329