CN201221879Y - Bidirectional throttle valve for heat pump air conditioner - Google Patents
Bidirectional throttle valve for heat pump air conditioner Download PDFInfo
- Publication number
- CN201221879Y CN201221879Y CNU2008200489198U CN200820048919U CN201221879Y CN 201221879 Y CN201221879 Y CN 201221879Y CN U2008200489198 U CNU2008200489198 U CN U2008200489198U CN 200820048919 U CN200820048919 U CN 200820048919U CN 201221879 Y CN201221879 Y CN 201221879Y
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- valve
- air conditioner
- heat pump
- pump air
- sliding
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Abstract
The utility model relates to a two-way throttling valve for a heatpump air conditioner, which has the throttling effect on the refrigerant, and comprises a valve body, a sliding valve core, a fixed-valve-seat valve core, a retainer ring and a filter net, wherein, the fixed-valve-seat valve core is provided with a first throttling hole, and the sliding valve core is provided with a second throttling hole. Under the refrigeration working condition of the air conditioner, the second throttling hole of the siding valve core is free from having the throttling effect; under the heating working condition of the air conditioner, the flow direction of the refrigerant is changed, so that the first and the second throttling holes play the throttling effect at the same time, thereby satisfying the throttling quantity requirement under different working conditions, and realizing the two-way throttling.
Description
Technical field:
The present invention relates to a kind of bidirectional throttling valve, especially refer to a kind of bidirectional throttling valve that is used for heat pump air conditioner.
Background technology:
CN201043833 discloses a kind of integral bidirectional throttling valve, this choke valve is a kind of tubulose choke valve that does not have independent valve seat, directly utilize valve body as valve seat, adopt the orifice restriction technology, sliding valve core circulates and heats at air conditioner refrigerating and is in positions different in the pipe valve body in the circulation, realizes different throttling purposes.This choke valve manufacturing is simple, and material consumption is few, but because the caliber of different batches outsourcing copper pipe is inconsistent, need not metal cutting processing again, may cause the fluctuation of choke valve quality aspect.
CN2886461 discloses a kind of bidirectional throttling valve that is used for heat pump type air conditioner, adopted the bivalve holder structure, the valve seat that two symmetries are installed is set respectively in tubular device, the spool that has axial pore in the middle of respectively being mounted with movably in the valve seat, pore small one and large one, be respectively applied for refrigeration and heat process.The required part of this type of bidirectional throttling valve is more, high material consumption, processing and assembling procedure complexity.
Summary of the invention:
The invention provides a kind of bidirectional throttling valve that is used for heat pump air conditioner of single valve holder structure, its structure is simple relatively, can save material, processes relative with assembly technology easyly, and steady quality is reliable.The present invention is achieved in that
A kind of bidirectional throttling valve that is used for heat pump air conditioner, comprise valve body, fixed valve base spool, sliding valve core, back-up ring, the fixed valve base spool is fixedly installed in the valve body, the fixed valve base spool is provided with first segment discharge orifice and sliding cavity, the end of sliding cavity is installed with the back-up ring that sliding valve core is played position-limiting action, and sliding valve core is equipped with in sliding cavity inside, and sliding valve core is provided with second throttle orifice, sliding valve core is a kind of many ribs spool, and the present invention adopts the triangular spool.Air-conditioning heats circulation time, and cold-producing medium is earlier after flow out after second throttle orifice and the throttling of first segment discharge orifice two-stage; And during kind of refrigeration cycle, cold-producing medium only needs the throttling of first segment discharge orifice, and the peripheral channel of sliding valve core plays bypass action to cold-producing medium, thereby realizes that air-conditioning is for the throttling requirement of cold-producing medium under the different operating modes.
The end that described fixed valve base spool is positioned at sliding cavity one side is provided with the taper reducing that back-up ring is played fixation.
One end of described valve body is provided with branch's mouth of pipe, and branch's mouth of pipe is two, and its caliber is determined according to refrigerant flow, the caliber size can equate, also can be unequal, the other end of valve body is provided with pipe interface, and branch's mouth of pipe and pipe interface link to each other with external pipeline respectively in air-conditioning system.
Screen pack is equipped with at the two ends that are positioned at the fixed valve base spool in the described valve body respectively, and the impurity in the air-conditioning system pipeline is played a role in filtering, and also is provided with the stopper slot that screen pack is played fixing and positioning action on the valve body.
Also be processed with annular rib on the described fixed valve base spool, after the fixed valve base spool is installed to valve inner, the tube wall of the annular rib correspondence position of valve body and fixed valve base spool shrinks processing, thereby described annular rib is embedded in the tube wall of valve body, the fixed valve base spool is located in valve body securely, can avoid the interior leakage of cold-producing medium in valve body on the other hand again, guarantee the reliable of throttling.When the valve body tube wall shrank processing, the outer surface of tube wall had also formed the strengthening rib strip along generatrix direction.
Indicate in the mint-mark mode on the described valve body heat, the first segment discharge orifice under the refrigerating state and the pore size of second throttle orifice so that air conditioner producer selects for use.
Description of drawings
Fig. 1 is the structural representation of choke valve of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural representation of sliding valve core of the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the profile at A-A place among Fig. 1.
Fig. 6 is the outside drawing of choke valve of the present invention.
Fig. 7 is that choke valve of the present invention is installed to the connection diagram in the air-conditioning system.
The specific embodiment
For being illustrated more clearly in technical scheme of the present invention, the present invention is further described below in conjunction with embodiment.
As Fig. 1, Fig. 3, shown in Figure 4, a kind of bidirectional throttling valve that is used for heat pump air conditioner, comprise valve body 1, fixed valve base spool 5, sliding valve core 4, back-up ring 3, fixed valve base spool 5 is fixedly installed in the valve body 1, fixed valve base spool 5 is provided with first segment discharge orifice 51 and sliding cavity 52, the end of sliding cavity 52 is installed with the back-up ring 3 to 4 position-limiting actions of sliding valve core, sliding valve core 4 is equipped with in sliding cavity 52 inside, sliding valve core 4 is provided with second throttle orifice 41, sliding valve core 4 is a kind of many ribs spools, and present embodiment adopts the triangular spool.Sliding valve core 4 shown in Figure 1 is in the position that air-conditioning heats circulation time, and to flowing into choke valve, elder generation is after flow out after second throttle orifice 41 and the 51 two-stage throttlings of first segment discharge orifice by A for cold-producing medium; And during kind of refrigeration cycle, cold-producing medium by B to flowing into choke valve, sliding valve core 4 slides to back-up ring 3 under the promotion of air-conditioning system pressure, cold-producing medium is after 51 throttlings of first segment discharge orifice, peripheral by-pass mistake by triangular sliding valve core 4, second throttle orifice 41 does not play throttling action, thereby realizes that air-conditioning is for the throttling requirement of cold-producing medium under the different operating modes.
As shown in Figure 1, the end that fixed valve base spool 5 is positioned at sliding cavity 52 1 sides is provided with taper reducing 53, and 3 fixing and position-limiting actions of 53 pairs of back-up rings of taper reducing are fixed on the fixed valve base spool 5 block 3.
As Fig. 1, Fig. 2, shown in Figure 7, one end of valve body 1 is provided with branch's mouth of pipe 17,18, the caliber size of branch's mouth of pipe 17,18 can equate, also can be unequal, requirement according to the cold-producing medium bypass flow is determined, the other end of valve body 1 is provided with pipe interface 16, and the size of pipe interface 16 is determined reducing or enlarging according to the caliber of air-conditioning system pipeline, and the pipe interface 16 of present embodiment is reducing.Branch's mouth of pipe 17,18 and pipe interface 16 link to each other with external pipeline 8,9 and 7 respectively in air-conditioning system.
As shown in Figure 1, screen pack 2,6 is equipped with at the two ends of fixed valve base spool 5 respectively, filters the impurity in the air-conditioning system pipeline, also is provided with stopper slot 10,13 on the valve body 1, and screen pack 2,6 is played fixing and positioning action.
As Fig. 1, Fig. 5, shown in Figure 6, also be processed with annular rib 12 on the fixed valve base spool 5, after fixed valve base spool 5 is installed to valve body 1 inside, valve body 1 shrinks processing with the tube wall of annular rib 12 correspondence positions of fixed valve base spool 5, thereby annular rib 12 is embedded in the tube wall of valve body 1, fixed valve base spool 5 is located in valve body 1 securely, can avoid the interior leakage of cold-producing medium in valve body 1 simultaneously again, guarantee that cold-producing medium is by throttle orifice 41,51.
As Fig. 5, shown in Figure 6, outer surface of tube wall at valve body 1 also has the compressed strengthening rib strip 19 along generatrix direction that processes, be carved with the size 14,15 that heats aperture and refrigeration aperture on the valve body 1, correspond respectively to the pore size of second throttle orifice 41 and first segment discharge orifice 51, be convenient to air conditioner producer selects different throttle diameters for use according to the requirement of heat pump performance choke valve.
Claims (9)
1, a kind of bidirectional throttling valve that is used for heat pump air conditioner, comprise valve body (1), fixed valve base spool (5), sliding valve core (4), back-up ring (3), it is characterized in that described fixed valve base spool (5) is fixedly installed in the valve body (1), fixed valve base spool (5) is provided with first segment discharge orifice (51) and sliding cavity (52), the end of sliding cavity (52) is installed with the back-up ring (3) that sliding valve core (4) is played position-limiting action, sliding valve core (4) is equipped with in sliding cavity (52) inside, and sliding valve core (4) is provided with second throttle orifice (41).
2, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 is characterized in that the end that described fixed valve base spool (5) is positioned at sliding cavity (52) one sides is provided with the taper reducing (53) that back-up ring (3) is played fixation.
3, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 and 2 is characterized in that an end of described valve body (1) is provided with branch's mouth of pipe (17), (18), and the other end is provided with pipe interface (16).
4, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 3 is characterized in that the diameter of the described branch mouth of pipe (17) and branch's mouth of pipe (18) is unequal.
5, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 and 2, it is characterized in that the two ends that are positioned at fixed valve base spool (5) in the described valve body (1) are equipped with screen pack (2), (6) respectively, valve body (1) is provided with stopper slot (10), (13) that fixing and positioning action are played in screen pack (2), (6).
6, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 and 2 is characterized in that described sliding valve core (4) is the triangular spool.
7, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 and 2 is characterized in that being processed with on the described fixed valve base spool (5) the annular rib (12) in the tube wall that is embedded into valve body (1).
8, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 and 2 is characterized in that being distributed with on the described valve body (1) rib (19).
9, the bidirectional throttling valve that is used for heat pump air conditioner according to claim 1 and 2, it is characterized in that being carved with on the described valve body (1) heat aperture mark (14), the refrigeration aperture mark (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200489198U CN201221879Y (en) | 2008-06-02 | 2008-06-02 | Bidirectional throttle valve for heat pump air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200489198U CN201221879Y (en) | 2008-06-02 | 2008-06-02 | Bidirectional throttle valve for heat pump air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221879Y true CN201221879Y (en) | 2009-04-15 |
Family
ID=40575385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200489198U Expired - Fee Related CN201221879Y (en) | 2008-06-02 | 2008-06-02 | Bidirectional throttle valve for heat pump air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221879Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729164A (en) * | 2013-12-20 | 2015-06-24 | 广东科龙空调器有限公司 | Throttle-shunt device and air conditioner |
| WO2022048260A1 (en) * | 2020-09-07 | 2022-03-10 | 浙江盾安人工环境股份有限公司 | Throttle valve device |
-
2008
- 2008-06-02 CN CNU2008200489198U patent/CN201221879Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729164A (en) * | 2013-12-20 | 2015-06-24 | 广东科龙空调器有限公司 | Throttle-shunt device and air conditioner |
| CN104729164B (en) * | 2013-12-20 | 2017-02-08 | 广东科龙空调器有限公司 | Throttle-shunt device and air conditioner |
| WO2022048260A1 (en) * | 2020-09-07 | 2022-03-10 | 浙江盾安人工环境股份有限公司 | Throttle valve 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: 20090415 Termination date: 20140602 |
|
| EXPY | Termination of patent right or utility model |