CN203009983U - Automotive air conditioning thermostatic expansion valve with integral valve rod structure - Google Patents
Automotive air conditioning thermostatic expansion valve with integral valve rod structure Download PDFInfo
- Publication number
- CN203009983U CN203009983U CN201320020539.4U CN201320020539U CN203009983U CN 203009983 U CN203009983 U CN 203009983U CN 201320020539 U CN201320020539 U CN 201320020539U CN 203009983 U CN203009983 U CN 203009983U
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- China
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- valve
- expansion valve
- valve rod
- valve body
- air conditioning
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- Expired - Fee Related
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- Taps Or Cocks (AREA)
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Abstract
The utility model discloses an automotive air conditioning thermostatic expansion valve with an integral valve rod structure, which comprises a membrane box, a valve body, a valve rod, a clamping spring, a steel ball, an adjusting spring and an adjusting stud, and is characterized in that the valve rod is in an integral structure; an under cutting groove is formed in the valve rod arranged at a sealing hole; the clamping spring is arranged in the under cutting groove; and an O-shaped sealing ring is arranged between the clamping spring and the bottom face of the sealing hole. According to the automotive air conditioning thermostatic expansion valve, the valve rod is designed to be the integral structure provided with the clamping spring, so that a steel ball and a positioning seat between a transmission rod and a valve needle in the automotive air conditioning thermostatic expansion valve in the prior art are omitted; and the automotive air conditioning thermostatic expansion valve is reasonable in design, simple in structure and manufacturing technique, and lower in fabricating cost, and is applicable to a refrigerating system of an automotive air conditioning device to serve as a restricting element.
Description
Technical field
The utility model relates to the heating power expansion valve technical field, specifically a kind of automobile air-conditioning heating power expansion valve of integral type stem structure.
Background technique
Now be used for the automobile-used heating power expansion valve of automobile air controlling device refrigeration system throttling, bellows is experienced automatic temperature control valve mouth throttling passage cross section and is axially moved around to realize by transmitting bar, steel ball and needle, as shown in Figure 1, this project organization and manufacturing process are relatively complicated, and fabricating cost is relatively high.
The model utility content
Technical problem to be solved in the utility model is to overcome the deficiency that above-mentioned prior art exists, save in the prior art automobile air-conditioning heating power expansion valve steel ball and the positioning seat that transmit between bar and needle, provide a kind of reasonable in design, structure and manufacturing process is simple, fabricating cost is low with the automobile air-conditioning heating power expansion valve of the integral type stem structure of jump ring.
for this reason, the utility model adopts following technological scheme: the automobile air-conditioning heating power expansion valve of integral type stem structure, the valve body that comprises upper end portion band bellows, be placed in going out gas returning port and advancing gas returning port of two ends, left and right, valve body top, be placed in out gas returning port and advance return gas channel between gas returning port, be placed in liquid entering hole and the liquid outlet at two ends, valve body lower portion left and right, be placed in the closed hole of return gas channel lower end, be placed in steel ball seat and the Regulation spring of steel ball bottom, be placed in the adjusting double-screw bolt of valve body bottom etc., it is characterized in that, between described bellows and steel ball, valve rod is housed, described valve rod is the integral type structure, be placed in the closed hole position and be provided with undercut groove on valve rod, be provided with jump ring in described undercut groove, the external diameter of described jump ring is less than the diameter of closed hole, be provided with the O RunddichtringO in described closed hole, described O RunddichtringO is placed between jump ring and closed hole bottom surface.
The automobile air-conditioning heating power expansion valve of described integral type stem structure is provided with the O RunddichtringO between the lower plane of bellows and valve body.
The automobile air-conditioning heating power expansion valve of described integral type stem structure is provided with the O RunddichtringO between valve body and adjusting double-screw bolt.
The beneficial effects of the utility model are: valve rod is designed to integral structure with jump ring, saved in the prior art automobile air-conditioning heating power expansion valve steel ball and the positioning seat that transmit between bar and needle, the utility model is reasonable in design, structure and manufacturing process is simple, fabricating cost is relatively low.
Description of drawings
Accompanying drawing 1 is existing automobile air-conditioning heating power expansion valve structural representation.
In Fig. 1,1-transmits bar, 2-positioning seat, 3-steel ball, 4-needle
Accompanying drawing 2 is the utility model structural representation
In Fig. 2, the 1-bellows, 2,7, the 12-O RunddichtringO, the 3-valve rod, the 4-return gas channel, 5-advances gas returning port, the 6-jump ring, the 8-liquid outlet, the 9-steel ball, the 10-steel ball seat, the 11-Regulation spring, 13-regulates double-screw bolt, the 14-liquid entering hole, the 15-valve body, the 16-undercut groove, the 17-closed hole, 18-goes out gas returning port
Embodiment
the automobile air-conditioning heating power expansion valve of integral type stem structure as shown in Figure 2, the valve body 15 that comprises upper end portion band bellows 1, be placed in going out gas returning port 18 and advancing gas returning port 5 of valve body 15 two ends, left and right, top, be placed in out gas returning port 18 and advance return gas channel 4 between gas returning port 5, be placed in liquid entering hole 14 and the liquid outlet 8 at valve body 15 two ends, left and right, bottom, be placed in the closed hole 17 of return gas channel 4 lower ends, be placed in steel ball seat 10 and the Regulation spring 11 of steel ball 9 bottoms, be placed in adjusting double-screw bolt 13 of valve body 15 bottoms etc., be provided with valve rod 3 between described bellows 1 and steel ball 9, valve rod 3 is the integral type structure, be placed in closed hole 17 positions and be provided with undercut groove 16 on valve rod 3, be provided with jump ring 6 in undercut groove 16, the external diameter of jump ring 6 is less than the diameter of closed hole 17, be provided with O RunddichtringO 7 in described closed hole 17, O RunddichtringO 7 is placed between jump ring 6 and closed hole 17 bottom surfaces.Be provided with O RunddichtringO 2 between the lower plane of described bellows 1 and valve body 15.Be provided with O RunddichtringO 12 between described valve body 15 and adjusting double-screw bolt 13.
Claims (3)
1. the automobile air-conditioning heating power expansion valve of integral type stem structure, the valve body (15) that comprises upper end portion band bellows (1), be placed in going out gas returning port (18) and advancing gas returning port (5) of two ends, valve body (15) left and right, top, be placed in out gas returning port (18) and advance return gas channel (4) between gas returning port (5), be placed in liquid entering hole (14) and the liquid outlet (8) at two ends, valve body (15) left and right, bottom, be placed in the closed hole (17) of return gas channel (4) lower end, be placed in steel ball seat (10) and the Regulation spring (11) of steel ball (9) bottom, be placed in the adjusting double-screw bolt (13) of valve body (15) bottom etc., it is characterized in that, between described bellows (1) and steel ball (9), valve rod (3) is housed, described valve rod (3) is the integral type structure, be placed in closed hole (17) position and be provided with undercut groove (16) on valve rod (3), be provided with jump ring (6) in described undercut groove (16), the external diameter of described jump ring (6) is less than the diameter of closed hole (17), be provided with O RunddichtringO (7) in described closed hole (17), described O RunddichtringO (7) is placed between jump ring (6) and closed hole (17) bottom surface.
2. the automobile air-conditioning heating power expansion valve of integral type stem structure according to claim 1 is characterized in that being provided with O RunddichtringO (2) between the lower plane of described bellows (1) and valve body (15).
3. the automobile air-conditioning heating power expansion valve of integral type stem structure according to claim 1, is characterized in that described valve body (15) and regulate between double-screw bolt (13) being provided with O RunddichtringO (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320020539.4U CN203009983U (en) | 2013-01-10 | 2013-01-10 | Automotive air conditioning thermostatic expansion valve with integral valve rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320020539.4U CN203009983U (en) | 2013-01-10 | 2013-01-10 | Automotive air conditioning thermostatic expansion valve with integral valve rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009983U true CN203009983U (en) | 2013-06-19 |
Family
ID=48601580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320020539.4U Expired - Fee Related CN203009983U (en) | 2013-01-10 | 2013-01-10 | Automotive air conditioning thermostatic expansion valve with integral valve rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948793A (en) * | 2014-03-31 | 2015-09-30 | 杭州三花研究院有限公司 | Throttling device |
-
2013
- 2013-01-10 CN CN201320020539.4U patent/CN203009983U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948793A (en) * | 2014-03-31 | 2015-09-30 | 杭州三花研究院有限公司 | Throttling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20150110 |
|
| EXPY | Termination of patent right or utility model |