CN207922638U - A kind of heat insulation type automobile air-conditioning heating power expansion valve - Google Patents
A kind of heat insulation type automobile air-conditioning heating power expansion valve Download PDFInfo
- Publication number
- CN207922638U CN207922638U CN201720958320.7U CN201720958320U CN207922638U CN 207922638 U CN207922638 U CN 207922638U CN 201720958320 U CN201720958320 U CN 201720958320U CN 207922638 U CN207922638 U CN 207922638U
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- China
- Prior art keywords
- heat
- temperature
- pipeline
- heating power
- gas outlet
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Abstract
The utility model discloses a kind of heat insulation type automobile air-conditioning heating power expansion valves, including balancing gate pit, stable equilibrium piece is provided with outside the push rod, and it is connected with hot gas duct below stable equilibrium piece, flow regulator pieces are installed below the hot gas duct, and it is provided with throttle valve below flow regulator pieces, balancing spring is installed outside the throttle valve lower end, and it is provided with refrigerant inlet below balancing spring, it is connected with temperature-sensitive swelling pipeline above the balancing gate pit, and heat-insulating room is installed outside temperature-sensitive swelling pipeline lower end, the hot gas duct right end is connected with evaporator pipeline, and evaporator pipeline right end is connected with gas outlet, the gas outlet right end is connected with heat-insulating room, and heat-insulating room is internally provided with moisture-proof foamed cotton layer.The heat insulation type automobile air-conditioning heating power expansion valve can accurately reflect the temperature inside evaporator pipeline, will not be interfered by ambient temperature or evaporator pipeline, to which the input dosage of refrigerant be adjusted, carry out accurate temperature adjustment action.
Description
Technical field
The utility model is related to expansion valve technical field, specially a kind of heat insulation type automobile air-conditioning heating power expansion valve.
Background technology
Expansion valve is an important component in refrigeration system, is generally mounted between liquid storage cylinder and evaporator.Expansion valve
The liquid refrigerant of medium temperature high pressure is set to become the moist steam of low-temp low-pressure by its throttling, then refrigerant absorbs in evaporator
Heat reaches refrigeration effect, and expansion valve is changed by the degree of superheat of evaporator end come control valve flow, and evaporation is prevented
The underutilization of device area and engine knock phenomenon.Common automobile air-conditioning heating power expansion valve is internal balance type F type expansion valves, such expansion
When valve is contacted there are temperature sensing package with evaporator pipeline be easy influenced by ambient temperature, cannot accurately according to evaporator pipeline inside
The phenomenon that steam temperature is reacted.
Utility model content
The purpose of this utility model is to provide a kind of heat insulation type automobile air-conditioning heating power expansion valves, to solve above-mentioned background skill
The common automobile air-conditioning heating power expansion valve proposed in art be internal balance type F type expansion valves, such expansion valve there are temperature sensing package with
It is easy to be influenced by ambient temperature when evaporator pipeline contacts, cannot accurately be carried out according to evaporator pipeline inner vapor temperature anti-
The problem of answering.
To achieve the above object, the utility model provides the following technical solutions：A kind of heat insulation type automobile air-conditioning heating power expansion
Valve, including balancing gate pit, the balancing gate pit lower section is equipped with shrapnel, and push rod is connected in the middle part of shrapnel, setting outside the push rod
There is stable equilibrium piece, and be connected with hot gas duct below stable equilibrium piece, flow regulator pieces is installed, and save below the hot gas duct
It is provided with throttle valve below flow, balancing spring is installed, and system is provided with below balancing spring outside the throttle valve lower end
Cryogen import, the balancing gate pit top is connected with temperature-sensitive swelling pipeline, and is equipped with heat-insulating room outside temperature-sensitive swelling pipeline lower end,
The hot gas duct right end is connected with evaporator pipeline, and evaporator pipeline right end is connected with gas outlet, outside the gas outlet
Annular end cap being installed, and annular end cap is internally provided with heat-insulating and sealing gasket, the gas outlet right end is connected with heat-insulating room, and
Heat-insulating room is internally provided with moisture-proof foamed cotton layer, and the heat-insulating room right end is connected with gas outlet, and outlet is equipped with inside gas outlet
Pipeline, temperature-sensitive swelling pipeline lower end inside are filled with temperature sensing agent, and the heat-insulating room is internally provided with moisture-proof foamed cotton layer.
Preferably, the temperature-sensitive swelling pipeline is handstand T-type structure, and temperature-sensitive swelling pipeline lower end is located at the water of heat-insulating room
Flat position of center line.
Preferably, the gas outlet and air inlet are external thread structure, and annular end cap is internal thread structure, and annular end
Lid seamless can coordinate with gas outlet or air inlet.
Preferably, the heat-insulating and sealing gasket is loop configuration, heat-insulating and sealing gasket outer diameter and annular end cap threaded portion
Internal diameter is equal, and heat-insulating and sealing gasket, gas outlet, annular end cap and air inlet internal diameter with outlet pipe and evaporator pipeline
Outer diameter it is equal.
Preferably, the heat-insulating room is convex shape, and heat-insulating room lower end diameter is more than temperature-sensitive swelling pipeline lower end diameter.
Compared with prior art, the utility model has the beneficial effects that：The heat insulation type automobile air-conditioning heating power expansion valve can
Accurately reflect the temperature inside evaporator pipeline, will not be interfered by ambient temperature or evaporator pipeline, to be adjusted
The input dosage for controlling cryogen, carries out accurate temperature adjustment action.The temperature-sensitive expansion tube of this heat insulation type automobile air-conditioning heating power expansion valve
Road is placed on inside heat-insulating room so that and the temperature sensing agent in temperature-sensitive swelling pipeline will not be interfered by heat-insulating room external temperature,
To experience accurate temperature.
Description of the drawings
Fig. 1 is the utility model main structure diagram；
Fig. 2 is enlarged structure schematic diagram at A in the utility model Fig. 1；
Fig. 3 is enlarged structure schematic diagram at B in the utility model Fig. 1；
Fig. 4 is the utility model heat-insulating room main structure diagram；
Fig. 5 is the utility model annular end cap right side structural representation.
In figure：1, temperature-sensitive swelling pipeline, 2, balancing gate pit, 3, shrapnel, 4, push rod, 5, stable equilibrium piece, 6, hot gas duct, 7,
Flow regulator pieces, 8, throttle valve, 9, temperature sensing agent, 10, gas outlet, 11, outlet pipe, 12, annular end cap, 13, heat-insulating and sealing gasket,
14, balancing spring, 15, refrigerant inlet, 16, evaporator pipeline, 17, air inlet, 18, moisture-proof foamed cotton layer, 19, heat-insulating room.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of heat insulation type automobile air-conditioning heating power expansion valve,
Including balancing gate pit 2,2 lower section of balancing gate pit is equipped with shrapnel 3, and 3 middle part of shrapnel is connected with push rod 4, and fixation is provided with outside push rod 4
Balancing patch 5, and 5 lower section of stable equilibrium piece is connected with hot gas duct 6,6 lower section of hot gas duct is equipped with flow regulator pieces 7, and flow regulator pieces
7 lower sections are provided with throttle valve 8, balancing spring 14 are equipped with outside 8 lower end of throttle valve, and 14 lower section of balancing spring is provided with refrigeration
Agent import 15,2 top of balancing gate pit is connected with temperature-sensitive swelling pipeline 1, and is equipped with heat-insulating room outside 1 lower end of temperature-sensitive swelling pipeline
19, temperature-sensitive swelling pipeline 1 is handstand T-type structure, and 1 lower end of temperature-sensitive swelling pipeline is located at the horizontal center line position of heat-insulating room 19
It sets, this structure can make the temperature sensing agent 9 in temperature-sensitive swelling pipeline 1 be located inside heat-insulating room 19, avoid temperature sensing agent 9 by non-sense
Temperature in warm swelling pipeline 1 influences, and 6 right end of hot gas duct is connected with evaporator pipeline 16, and 16 right end of evaporator pipeline connects
It is connected to gas outlet 10, gas outlet 10 and air inlet 17 are external thread structure, and annular end cap 12 is internal thread structure, and annular
End cap 12 seamless can coordinate with gas outlet 10 or air inlet 17, this structure makes annular end cap 12 and gas outlet 10 and air inlet
Mouth 17 can be fully mated, does not stay a gap, avoids result in cold air effusion, annular end cap 12 is equipped with outside gas outlet 10,
And annular end cap 12 is internally provided with heat-insulating and sealing gasket 13, heat-insulating and sealing gasket 13 is loop configuration, heat-insulating and sealing gasket 13
Outer diameter is equal with 12 threaded portion internal diameter of annular end cap, and heat-insulating and sealing gasket 13, gas outlet 10, annular end cap 12 and air inlet
17 internal diameter is equal with the outer diameter of outlet pipe 11 and evaporator pipeline 16, this structure makes outlet pipe 11 and evaporator tube
Road 16 can smoothly enter into gas outlet 10 or air inlet 17, and heat-insulating and sealing gasket 13 and annular end cap 12 can be fixed tightly
Firmly outlet pipe 11 and evaporator pipeline 16 ensure that the gas in evaporator pipeline 16 can enter heat-insulating room from air inlet 17
19, then from gas outlet 10 enter outlet pipe 11 so that temperature-sensitive swelling pipeline 1 can directly in evaporator pipeline 16
Gas contacts, and accurately experiences the temperature of the gas in evaporator pipeline 16, not by 16 influence of wall thickness of evaporator pipeline, goes out
10 right end of gas port is connected with heat-insulating room 19, and heat-insulating room 19 is internally provided with moisture-proof foamed cotton layer 18, and heat-insulating room 19 is convex knot
Structure, and 19 lower end diameter of heat-insulating room is more than 1 lower end diameter of temperature-sensitive swelling pipeline, this structure makes the gas in evaporator pipeline 16
It after flow velocity reduces due to the blocking of temperature-sensitive swelling pipeline 1, can be passed through from 19 upper end of heat-insulating room, ensure gas in evaporator pipeline 16
The real-time traffic of body is equal with the real-time traffic of gas in outlet pipe 11, and 19 right end of heat-insulating room is connected with gas outlet 10, and goes out
Outlet pipe 11 is installed inside gas port 10, temperature sensing agent 9 is filled with inside 1 lower end of temperature-sensitive swelling pipeline, is set inside heat-insulating room 19
It is equipped with moisture-proof foamed cotton layer 18, this structure can enable heat-insulating room 19 to completely cut off ambient temperature, and avoid in heat-insulating room 19
Damage of the flowing gas to heat-insulating room 19.
Operation principle：When using the heat insulation type automobile air-conditioning heating power expansion valve, when overheated gas is from evaporator pipeline 16
When the interior entrance heat-insulating room 19 by air inlet 17, the temperature sensing agent 9 in temperature-sensitive swelling pipeline 1 experiences gas in evaporator pipeline 16
After the temperature of body, if gas temperature is higher, temperature sensing agent 9 can expand, and then the pressure in balancing gate pit 2 will increase, at this time shrapnel 3
It can be extruded and move downward, and the push rod 4 that shrapnel 3 is connected to can head on throttle valve 8 by stable equilibrium piece 5 and move downward, in
It is that the refrigerant entered from refrigerant inlet 15 can be flowed out by the gap between flow regulator pieces 7 and throttle valve 8, into hot gas duct
6, cooled down to the gas in evaporator pipeline 16 by evaporator pipeline 16, the gas temperature in evaporator pipeline 16
When dropping to definite value, the temperature sensing agent 9 in heat-insulating room 19 in temperature-sensitive swelling pipeline 1 can be shunk, and pressure becomes smaller in balancing gate pit 2,
Then shrapnel 3 can drive push rod 4 to move upwards, and pressure on throttle valve 8 reduces, then balancing spring 14 can by throttle valve 8 to
It above pushes away, until throttle valve 8 withstands flow regulator pieces 7 so that refrigerant can not flow into hot gas duct 6, to complete a series of activities.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of heat insulation type automobile air-conditioning heating power expansion valve, including balancing gate pit (2), it is characterised in that：Below the balancing gate pit (2)
Shrapnel (3) is installed, and is connected with push rod (4) in the middle part of shrapnel (3), stable equilibrium piece (5) is provided with outside the push rod (4),
And hot gas duct (6) is connected with below stable equilibrium piece (5), flow regulator pieces (7) are installed, and save below the hot gas duct (6)
It is provided with throttle valve (8) below flow (7), balancing spring (14), and balancing spring are installed outside throttle valve (8) lower end
(14) lower section is provided with refrigerant inlet (15), is connected with temperature-sensitive swelling pipeline (1) above the balancing gate pit (2), and temperature-sensitive is swollen
Heat-insulating room (19) is installed outside tube expansion road (1) lower end, hot gas duct (6) right end is connected with evaporator pipeline (16), and
Evaporator pipeline (16) right end is connected with gas outlet (10), and annular end cap (12), and ring are equipped with outside the gas outlet (10)
Shape end cap (12) is internally provided with heat-insulating and sealing gasket (13), and gas outlet (10) right end is connected with heat-insulating room (19), and every
Hot cell (19) is internally provided with moisture-proof foamed cotton layer (18), and heat-insulating room (19) right end is connected with gas outlet (10), and gas outlet
(10) internal that outlet pipe (11) is installed, be filled with temperature sensing agent (9) inside temperature-sensitive swelling pipeline (1) lower end, it is described every
Hot cell (19) is internally provided with moisture-proof foamed cotton layer (18).
2. a kind of heat insulation type automobile air-conditioning heating power expansion valve according to claim 1, it is characterised in that：The temperature-sensitive expansion
Pipeline (1) is handstand T-type structure, and temperature-sensitive swelling pipeline (1) lower end is located at the horizontal centre line position of heat-insulating room (19).
3. a kind of heat insulation type automobile air-conditioning heating power expansion valve according to claim 1, it is characterised in that：The gas outlet
(10) and air inlet (17) is external thread structure, and annular end cap (12) is internal thread structure, and annular end cap (12) and outlet
Mouth (10) or air inlet (17) seamless can coordinate.
4. a kind of heat insulation type automobile air-conditioning heating power expansion valve according to claim 1 or 3, it is characterised in that：It is described heat-insulated
Gasket seal (13) is loop configuration, and heat-insulating and sealing gasket (13) outer diameter is equal with annular end cap (12) threaded portion internal diameter, and
Heat-insulating and sealing gasket (13), gas outlet (10), annular end cap (12) and air inlet (17) internal diameter with outlet pipe (11) and
The outer diameter of evaporator pipeline (16) is equal.
5. a kind of heat insulation type automobile air-conditioning heating power expansion valve according to claim 1, it is characterised in that：The heat-insulating room
(19) it is convex shape, and heat-insulating room (19) lower end diameter is more than temperature-sensitive swelling pipeline (1) lower end diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958320.7U CN207922638U (en) | 2017-08-03 | 2017-08-03 | A kind of heat insulation type automobile air-conditioning heating power expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958320.7U CN207922638U (en) | 2017-08-03 | 2017-08-03 | A kind of heat insulation type automobile air-conditioning heating power expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207922638U true CN207922638U (en) | 2018-09-28 |
Family
ID=63612284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720958320.7U Expired - Fee Related CN207922638U (en) | 2017-08-03 | 2017-08-03 | A kind of heat insulation type automobile air-conditioning heating power expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207922638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306474A (en) * | 2019-06-17 | 2019-10-08 | 温德清 | A kind of town squares floor tile cleaning equipment |
-
2017
- 2017-08-03 CN CN201720958320.7U patent/CN207922638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306474A (en) * | 2019-06-17 | 2019-10-08 | 温德清 | A kind of town squares floor tile cleaning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20190803 |