CN206420202U - A kind of expansion valve - Google Patents
A kind of expansion valve Download PDFInfo
- Publication number
- CN206420202U CN206420202U CN201621453942.6U CN201621453942U CN206420202U CN 206420202 U CN206420202 U CN 206420202U CN 201621453942 U CN201621453942 U CN 201621453942U CN 206420202 U CN206420202 U CN 206420202U
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- CN
- China
- Prior art keywords
- temperature
- expansion valve
- core assembly
- utility
- adjusting part
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- 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.)
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Abstract
The utility model discloses a kind of expansion valve, including valve body, temperature-sensitive pressure adjusting part is provided with the top of the valve body, the lower end of the temperature-sensitive pressure adjusting part is connected with push rod, the push rod is connected with the core assembly of the valve inner, also, it is provided with elastic force apparatus between the bottom of the core assembly and the valve body.Beneficial effect：The utility model is simple in construction, it is easy to use, light weight, also, core assembly is controlled by then passing through temperature-sensitive pressure adjusting part, therefore, the utility model can automatically adjust liquid supply rate according to the change of thermic load in evaporator, so that evaporating temperature keeps stable, the supply of refrigerant is reduced, production and use cost is greatly reducing.
Description
Technical field
The utility model is related to throttle valve technology field, it particularly relates to a kind of expansion valve.
Background technology
Automobile air-conditioning heating power expansion valve is a throttling arrangement in automotive air-conditioning system, and it is arranged on drying bottle liquid reservoir
Self controlled element between evaporator, the liquid refrigerant flow for flowing into evaporator is automatically adjusted according to the load of evaporator, is made
Liquid refrigerant into evaporator all flashes to gas in the presence of Load Evaporator.Existing automobile air-conditioning heating power is swollen
Swollen valve arrangement is complex, not only make it that quality is larger, and the refrigerant amount of consumption is big, at the same also increase production cost and
Use cost.
The problem of in correlation technique, effective solution is not yet proposed at present.
Utility model content
The purpose of this utility model is to propose a kind of expansion valve, to overcome the above mentioned problem present in existing correlation technique.
What the technical solution of the utility model was realized in：
Temperature-sensitive pressure adjusting part, the temperature-sensitive pressure are provided with the top of a kind of expansion valve, including valve body, the valve body
The lower end of adjusting part is connected with push rod, and the push rod is connected with the core assembly of the valve inner, also, the valve element group
Elastic force apparatus is provided between the bottom of part and the valve body.
Wherein, the temperature-sensitive pressure adjusting part includes upper lid and lower cover, is formed between the upper lid and lower cover closed
It is provided with cavity, the closed cavity below diaphragm, and diaphragm and is provided with jacking block, the jacking block is connected with the push rod,
Temperature-sensing element is provided with addition, being located on the upper lid above the diaphragm, the temperature-sensing element penetrates the upper lid and prolonged
Extend the upper outer side of lid.
Wherein, the temperature-sensing element is capillary, and the capillary extending to one end port of the upper outer side of lid is envelope
Close and refrigerant is filled with structure, also, the capillary.
Wherein, the core assembly includes being provided with valve ball at the top of ball seat, the ball seat.
Wherein, position corresponding with the valve ball on the ball seat is provided with the V-shaped groove for fixing the valve ball.
Wherein, the elastic force apparatus is spring.
Wherein, the bottom of the elastic force apparatus is provided with adjusting screw.
The beneficial effects of the utility model：The utility model is simple in construction, easy to use, light weight, also, due to being logical
Cross temperature-sensitive pressure adjusting part to control core assembly, therefore, the utility model can be according to the change of thermic load in evaporator
To automatically adjust liquid supply rate so that evaporating temperature keeps stable, reduces the supply of refrigerant, it greatly reducing production and make
Use cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of the expansion valve according to the utility model embodiment；
Fig. 2 is the structural representation of the temperature-sensing element adjusting part according to the utility model embodiment；
Fig. 3 is the structural representation of the core assembly according to the utility model embodiment.
In figure：
1st, valve body；2nd, temperature-sensitive pressure adjusting part；3rd, push rod；4th, core assembly；5th, elastic force apparatus；6th, upper lid；7th, lower cover；
8th, diaphragm；9th, jacking block；10th, temperature-sensing element；11st, ball seat；12nd, valve ball；13rd, V-shaped groove；14th, adjusting screw.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
The scope protected in the utility model.
According to embodiment of the present utility model, there is provided a kind of expansion valve.
As shown in figure 1, including valve body 1 according to the expansion valve of the utility model embodiment, the top of the valve body 1 is provided with
Temperature-sensitive pressure adjusting part 2, the lower end of the temperature-sensitive pressure adjusting part 2 is connected with push rod 3, the push rod 3 and the valve body 1
Internal core assembly 4 is connected, also, elastic force apparatus 5 is provided between the bottom of the core assembly 4 and the valve body 1.
, can be according to temperature adjustment after temperature-sensitive pressure adjusting part 2 experiences the thermic load in evaporator when specifically used
Pressure, so as to promote push rod 3, come the opening of the opening that controls core assembly 4, so as to adjust liquid supply rate, protect evaporating temperature
It is fixed to keep steady, it is to avoid the waste of refrigerant.
In instantiation, as shown in Fig. 2 the structure of above-mentioned temperature-sensitive pressure adjusting part 2 can be as follows：The temperature-sensitive pressure
Adjusting part 2 includes upper lid 6 and lower cover 7, and closed cavity is formed between the upper lid 6 and lower cover 7, is set in the closed cavity
There is diaphragm 8, and the lower section of diaphragm 8 is provided with jacking block 9, and the jacking block 9 is connected with the push rod 3, in addition, on the upper lid 6
The top of the diaphragm 8 is provided with temperature-sensing element 10, the temperature-sensing element 10 penetrates the upper lid 6 and extended on described
The outside of lid 6.In addition, in order to ensure sealing, also sealing ring can be set between temperature-sensitive pressure adjusting part 2 and valve body 1.
In the above-described example, for temperature-sensing element 10, it can be capillary, and the capillary extending is on described
One end port in the outside of lid 6 is that refrigerant is filled with enclosed construction, also, the capillary.Likewise, in examples detailed above
In, as shown in figure 3, the structure of above-mentioned core assembly 4 can be as follows：The core assembly 4 includes ball seat 11, the top of the ball seat 11
Portion is provided with valve ball 12.And in order that fixing-stable between ball seat 11 and valve ball 12, can also on the ball seat 11 with it is described
The corresponding position of valve ball 12 is provided with the V-shaped groove 13 for fixing the valve ball.
In the above-described example, in order to meet core assembly 4 under push rod 3 can folding, while again ensure structure letter
Dan Hua, above-mentioned elastic force apparatus 5 can be spring.And in order to prevent from expanding the static degree of superheat, can also be in the bottom of the elastic force apparatus 5
Adjusting screw 14 is set.
As can be seen here, by means of above-mentioned technical proposal of the present utility model, the utility model is not only simple in structure, user
Just, light weight, and due to controlling core assembly 4 by temperature-sensitive pressure adjusting part 2, therefore, the utility model can root
Liquid supply rate is automatically adjusted according to the change of thermic load in evaporator so that evaporating temperature keeps stable, reduces the supply of refrigerant
Amount, greatly reducing production and use cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of expansion valve, including valve body, it is characterised in that temperature-sensitive pressure adjusting part, institute are provided with the top of the valve body
The lower end for stating temperature-sensitive pressure adjusting part is connected with push rod, and the push rod is connected with the core assembly of the valve inner, also,
Elastic force apparatus is provided between the bottom of the core assembly and the valve body.
2. expansion valve according to claim 1, it is characterised in that the temperature-sensitive pressure adjusting part includes Shang Gai with
Lid, is formed with closed cavity between the upper lid and lower cover, diaphragm is provided with the closed cavity, and the lower section of diaphragm is set
There is jacking block, the jacking block is connected with the push rod, temperature-sensitive member is provided with addition, being located on the upper lid above the diaphragm
Part, the temperature-sensing element penetrates the upper lid and extends to the upper outer side of lid.
3. expansion valve according to claim 2, it is characterised in that the temperature-sensing element is capillary, the capillary prolongs
One end port for extending the upper outer side of lid is that refrigerant is filled with enclosed construction, also, the capillary.
4. expansion valve according to claim 1, it is characterised in that the core assembly includes ball seat, the top of the ball seat
Portion is provided with valve ball.
5. expansion valve according to claim 4, it is characterised in that the position corresponding with the valve ball is set on the ball seat
It is equipped with the V-shaped groove for fixing the valve ball.
6. expansion valve according to claim 1, it is characterised in that the elastic force apparatus is spring.
7. expansion valve according to claim 6, it is characterised in that the bottom of the elastic force apparatus is provided with adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453942.6U CN206420202U (en) | 2016-12-28 | 2016-12-28 | A kind of expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453942.6U CN206420202U (en) | 2016-12-28 | 2016-12-28 | A kind of expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420202U true CN206420202U (en) | 2017-08-18 |
Family
ID=59576244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453942.6U Active CN206420202U (en) | 2016-12-28 | 2016-12-28 | A kind of expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575630A (en) * | 2017-10-13 | 2018-01-12 | 平顶山市安泰华矿用安全设备制造有限公司 | A kind of temperature-sensitive bag temperature control device |
| CN107860158A (en) * | 2016-12-28 | 2018-03-30 | 浙江博威汽车空调有限公司 | A kind of expansion valve |
| CN109813013A (en) * | 2018-03-26 | 2019-05-28 | 长城汽车股份有限公司 | Expansion valve and air-conditioning system |
-
2016
- 2016-12-28 CN CN201621453942.6U patent/CN206420202U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860158A (en) * | 2016-12-28 | 2018-03-30 | 浙江博威汽车空调有限公司 | A kind of expansion valve |
| CN107575630A (en) * | 2017-10-13 | 2018-01-12 | 平顶山市安泰华矿用安全设备制造有限公司 | A kind of temperature-sensitive bag temperature control device |
| CN109813013A (en) * | 2018-03-26 | 2019-05-28 | 长城汽车股份有限公司 | Expansion valve and air-conditioning system |
| CN109813013B (en) * | 2018-03-26 | 2021-03-02 | 长城汽车股份有限公司 | Expansion valve and air conditioning system |
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