CN208041176U - The automobile air-conditioning heating power expansion valve of throttling - Google Patents
The automobile air-conditioning heating power expansion valve of throttling Download PDFInfo
- Publication number
- CN208041176U CN208041176U CN201820531005.0U CN201820531005U CN208041176U CN 208041176 U CN208041176 U CN 208041176U CN 201820531005 U CN201820531005 U CN 201820531005U CN 208041176 U CN208041176 U CN 208041176U
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- Prior art keywords
- power
- throttling
- valve
- temperature sensing
- sensing package
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of automobile air-conditioning heating power expansion valves of throttling,Include valve body and spool with refrigerant inlet and refrigerant exit,Valve rod is drivingly connected with power head in valve body,Valve rod actuatable valve core and valve core case axial movement,The diaphragm being connect with valve rod is equipped in power head,Diaphragm will be separated into the first power house and the second power house in power head,First power house and the second power house are connected with the first temperature sensing package and the second temperature sensing package by capillary respectively,There are different temperature gases in first temperature sensing package and the second temperature sensing package,Compared with prior art,The utility model by diaphragm in power head by being separated out the first power house and the second power house,Change traditional single power room and corresponds to a kind of mode of temperature gas,Cope with different cryogenic temperatures,The first temperature sensing package or the second temperature sensing package can be selectively used as needed,Nothing needs to change entire heating power expansion valve,Expand the use scope of product,Avoid member replacing,Promote throttle efficiency.
Description
【Technical field】
The utility model is related to the frame for movement technical field of automotive air-conditioning system accessory, especially a kind of throttling
Automobile air-conditioning heating power expansion valve.
【Background technology】
Heating power expansion valve is the throttle part that air conditioning for automobiles generally uses, it can be to carrying out the liquid refrigerant of condenser
It is throttled and is depressured, and the flow that condenser is sent into the refrigerant of evaporator is adjusted according to the degree of superheat of evaporator outlet,
The Throttle Principle of entire heating power expansion valve is that high pressure refrigerant enters low pressure chamber after throttling chamber throttling.
A temperature sensing package is arranged usually at evaporator and carrys out feedback temperature to the throttling valve core for expanding valve body for heating power expansion valve
Place.Since refrigerant model is different, corresponding refrigerant is equipped with corresponding temperature sensing package and carrys out temperature sensor, not so to the adjusting of temperature
It will be inaccurate.Due to cryogenic temperature difference, corresponding heating power expansion valve model is also different, and expansion valve model is different main here
Refer to temperature sensing package difference, the temperature gas in temperature sensing package also can accordingly change due to refrigerant changes in material.Therefore general city
A kind of heating power expansion valve corresponds to a kind of refrigerant on face, and accommodation is narrow, if the refrigerant replacing in equipment, just needs
Heating power expansion valve is replaced simultaneously, and throttle efficiency is relatively low.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of air conditioning for automobiles heat of throttling
Power expansion valve can expand product use scope, avoid member replacing, promote throttle efficiency.
To achieve the above object, the utility model proposes a kind of automobile air-conditioning heating power expansion valves of throttling, including
Valve body with refrigerant inlet and refrigerant exit and spool, the valve body center are equipped with throttling chamber, and the spool is mounted on described
Throttle intracavitary, and the spool is fixed on valve core case, and elastic supporting mechanism, the resilient support machine are equipped with below the valve core case
Structure supports the seal spool to be equipped with valve rod, the valve rod and power head in valve body at the top of the throttling intracavitary, the spool
It is drivingly connected, the valve rod can drive the spool and valve core case to move axially, and be equipped in the power head and to be connect with valve rod
Diaphragm, the diaphragm will be separated into the first power house and the second power house, the first power house and the second power house point in power head
The first temperature sensing package and the second temperature sensing package are not connected with by capillary, there is difference in first temperature sensing package and the second temperature sensing package
Temperature gas.
Preferably, refrigerant inlet described in the throttling chamber warp knuckle stream inlet communication, the valve core case limit is connected to section
Flow inlet side, the mobile valve core case can be such that its side wall blocks in the throttling import so that the valve core case seal every
From between throttling import and elastic supporting mechanism.
Preferably, the elastic supporting mechanism includes fixed frame and support spring, the bottom of the support spring is fixed
It is connected on the fixed frame, the top of the support spring is connect with the valve core case, and the fixed frame is screwed onto the valve
In body.
Preferably, the diaphragm is equipped with partition, first power house and the second power house are located at the both sides of partition,
The power head is equipped with limiting slot, and the partition can back and forth be lifted according to diaphragm deformation in the limiting slot.
The beneficial effects of the utility model：Compared with prior art, the utility model in power head by diaphragm by being divided
It is separated out the first power house and the second power house, changes traditional single power room and corresponds to a kind of mode of temperature gas, reply is different
Cryogenic temperature can selectively use the first temperature sensing package or the second temperature sensing package as needed, without entire heating power expansion valve is needed to change, expand
The big use scope of product, avoids member replacing, promotes throttle efficiency.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is the structural schematic diagram of the utility model；
In figure：1- refrigerant inlets, 2- refrigerant exits, 3- valve bodies, 4- spools, 5- throttlings chamber, 6- valve core cases, 7- valve rods, 8-
Power head, 9- diaphragms, the first power houses of 10-, the second power houses of 11-, 12- capillaries, the first temperature sensing packages of 13-, 14- second feel
Thermometer bulb, 15- throttlings import, 16- fixed frames, 17- support springs, 18- partitions, 19- limiting slots.
【Specific implementation mode】
Refering to fig. 1, the utility model includes the valve body 3 and spool 4 for having refrigerant inlet 1 and refrigerant exit 2, the valve body
3 centers are equipped with throttling chamber 5, and the spool 4 is mounted in the throttling chamber 5, and the spool 4 is fixed on valve core case 6, described
6 lower section of valve core case is equipped with elastic supporting mechanism, and the elastic supporting mechanism supports the spool 4 to be sealed in the throttling chamber 5,
4 top of the spool is equipped with valve rod 7, and the valve rod 7 is drivingly connected with power head 8 in valve body 3, and the valve rod 7 can drive described
Spool 4 and valve core case 6 move axially, and are equipped with the diaphragm 9 being connect with valve rod 7 in the power head 8, and the diaphragm 9 is by power head 8
It is inside separated into the first power house 10 and the second power house 11, the first power house 10 and the second power house 11 pass through capillary 12 respectively
It is connected with the first temperature sensing package 13 and the second temperature sensing package 14, there are different temperature-sensitives in first temperature sensing package, 13 and second temperature sensing package 14
Gas.
Specifically, 5 warp knuckle of throttling chamber, which flows into mouth 15, is connected to the refrigerant inlet 1, the limit connection of the valve core case 6
In 15 side of throttling import, the mobile valve core case 6 can be such that its side wall blocks in the throttling import 15, so that the spool
6 seal isolation of seat is between throttling import 15 and elastic supporting mechanism.Using valve core case 6 and spool 4 to throttling import 15 and section
The opening and closing control for flowing chamber 5, reaches dual-seal protection, avoids causing coolant leakage, and utilize the axial direction of valve core case 6
Mobile, the structure using limit connection makes valve core case 6 during moving axially avoid that radial shaking occurs, and avoids valve core case
Vibration and noise caused by 6 shakings.
Specifically, the elastic supporting mechanism includes fixed frame 16 and support spring 17, the bottom of the support spring 17
It is fixedly connected on the fixed frame 16, the top of the support spring 17 is connect with the valve core case 6, the fixed frame 16
It is screwed onto in the valve body 3.
Specifically, the diaphragm 9 is equipped with partition 18, first power house, 10 and second power house 11 is located at partition
18 both sides, the power head 8 are equipped with limiting slot 19, and the partition 18 can be deformed according to diaphragm 9 in the limiting slot 19
Reciprocal lifting.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (4)
1. the automobile air-conditioning heating power expansion valve of throttling includes the valve body (3) with refrigerant inlet (1) and refrigerant exit (2)
With spool (4), valve body (3) center is equipped with throttling chamber (5), and the spool (4) is mounted in the throttling chamber (5), special
Sign is：The spool (4) is fixed on valve core case (6), and elastic supporting mechanism, the bullet are equipped with below the valve core case (6)
Property supporting mechanism support the spool (4) to be sealed in the throttling chamber (5), equipped with valve rod (7), institute at the top of the spool (4)
It states valve rod (7) to be drivingly connected with power head (8) in valve body (3), the valve rod (7) can drive the spool (4) and valve core case (6)
It moves axially, the diaphragm (9) being connect with valve rod (7) is equipped in the power head (8), the diaphragm (9) will divide in power head (8)
It is divided into the first power house (10) and the second power house (11), the first power house (10) and the second power house (11) pass through capillary respectively
Pipe (12) is connected with the first temperature sensing package (13) and the second temperature sensing package (14), first temperature sensing package (13) and the second temperature sensing package (14)
In have different temperature gases.
2. the automobile air-conditioning heating power expansion valve of throttling according to claim 1, it is characterised in that：The throttling chamber
(5) warp knuckle flows into mouth (15) and is connected to the refrigerant inlet (1), and valve core case (6) limit is connected to throttling import (15) side,
The mobile valve core case (6) can be such that its side wall blocks on the throttling import (15), so that the valve core case (6) seals off
In throttling import (15) between elastic supporting mechanism.
3. the automobile air-conditioning heating power expansion valve of throttling according to claim 2, it is characterised in that：The resilient support
Mechanism includes fixed frame (16) and support spring (17), and the bottom of the support spring (17) is fixedly connected on the fixed frame
(16) on, the top of the support spring (17) is connect with the valve core case (6), and the fixed frame (16) is screwed onto the valve body
(3) in.
4. the automobile air-conditioning heating power expansion valve of throttling according to claim 1, it is characterised in that：The diaphragm (9)
It is equipped with partition (18), first power house (10) and the second power house (11) are located at the both sides of partition (18), the power
Head (8) is equipped with limiting slot (19), and the partition (18) can deform according to diaphragm (9) and back and forth be risen in the limiting slot (19)
Drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531005.0U CN208041176U (en) | 2018-04-13 | 2018-04-13 | The automobile air-conditioning heating power expansion valve of throttling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531005.0U CN208041176U (en) | 2018-04-13 | 2018-04-13 | The automobile air-conditioning heating power expansion valve of throttling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041176U true CN208041176U (en) | 2018-11-02 |
Family
ID=63945176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820531005.0U Active CN208041176U (en) | 2018-04-13 | 2018-04-13 | The automobile air-conditioning heating power expansion valve of throttling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594626A (en) * | 2019-02-20 | 2020-08-28 | 浙江三花制冷集团有限公司 | Temperature sensing driving device and flow regulating valve using same |
-
2018
- 2018-04-13 CN CN201820531005.0U patent/CN208041176U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594626A (en) * | 2019-02-20 | 2020-08-28 | 浙江三花制冷集团有限公司 | Temperature sensing driving device and flow regulating valve using same |
| CN111594626B (en) * | 2019-02-20 | 2023-05-16 | 浙江三花商用制冷有限公司 | Temperature-sensing driving device and flow regulating valve using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Thermal Expansion Valve of Automobile Air Conditioner with High Efficiency Throttling Effective date of registration: 20221104 Granted publication date: 20181102 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG BOWEI AUTO AIR-CONDITIONER Co.,Ltd. Registration number: Y2022330002912 |