CN106246977A - A kind of refrigeration valve structure of the vehicle refrigerator of long service life - Google Patents
A kind of refrigeration valve structure of the vehicle refrigerator of long service life Download PDFInfo
- Publication number
- CN106246977A CN106246977A CN201610886486.2A CN201610886486A CN106246977A CN 106246977 A CN106246977 A CN 106246977A CN 201610886486 A CN201610886486 A CN 201610886486A CN 106246977 A CN106246977 A CN 106246977A
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- CN
- China
- Prior art keywords
- straight tube
- spring
- valve body
- spring base
- valve
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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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses the refrigeration valve structure of the vehicle refrigerator of a kind of long service life, including valve body, a semi-enclosed cylindrical support straight tube it is additionally provided with in valve body, the blind end of described support straight tube is connected with the needle being positioned at valve seat, the opening of described support straight tube is adjacent with the spring base being positioned at valve body, being provided with a spring between straight tube and spring base supporting, one end of spring and the opening supporting straight tube are fixed, the other end is fixed with spring base；Being additionally provided with protection straight tube at spring inner, one end of described protection straight tube is fixed with spring base, and the other end is placed in inside support straight tube.Solving the heating power expansion valve in existing vehicle-mounted refrigerator refrigeration system by the present invention, to be constantly present spring the most stuck, makes valve cisco unity malfunction, causes the problem that refrigerator can not normally freeze.
Description
Technical field
The present invention relates to a kind of valve, relate in particular to the refrigeration valve knot of the vehicle refrigerator of a kind of long service life
Structure.
Background technology
Along with the development of science and technology, the raising of people's living standard, domestic automobile recoverable amount quickly grows, with vehicle-mounted phase
The product closed is more and more abundanter, and car refrigerator is exactly one of them.Car refrigerator is the continuity of domestic refrigerator, can use and partly lead
Body electronic cooling technology, it is also possible to by compressor cooling, only need to insert lighter hole by attaching plug in driving, can be to ice
Case is lowered the temperature.Car refrigerator is typically made up of parts such as condenser, device for drying and filtering, capillary tube, heating power expansion valve and vaporizers.Its
In, heating power expansion valve is one of critical piece in Refrigerating device for refrigerator, and cold-producing medium is not only played reducing pressure by regulating flow effect by him, simultaneously
The liquid supply rate entering vaporizer can also be automatically regulated with the degree of superheat of refrigerant gas at evaporator outlet as signal, so that
Refrigerant gas at evaporator outlet has certain degree of superheat.So the quality of heating power expansion valve to cold-producing medium at ice
Normal circulation in case refrigeration system and refrigeration wet down play an important role.But existing heating power expansion valve is constantly present the most stifled
Plug, spring easily block the problem of waiting indefinitely, and the normal work to car refrigerator creates strong influence.
Summary of the invention
It is an object of the invention to provide the refrigeration valve structure of the vehicle refrigerator of a kind of long service life, solve existing
Vehicle-mounted refrigerator refrigeration system in heating power expansion valve to be constantly present spring the most stuck, make valve cisco unity malfunction, cause ice
The problem that case can not normally freeze.
The present invention is achieved through the following technical solutions:
The refrigeration valve structure of the vehicle refrigerator of a kind of long service life, including valve body, is additionally provided with one and half in valve body
The cylindrical support straight tube closed, the blind end of described support straight tube is connected with the needle being positioned at valve seat, described support straight tube
Opening adjacent with the spring base being positioned at valve body, be provided with a spring supporting between straight tube and spring base, spring
One end and the opening supporting straight tube are fixed, the other end is fixed with spring base；It is additionally provided with protection straight tube at spring inner, described
One end of protection straight tube is fixed with spring base, and the other end is placed in inside support straight tube.
Further, generally between spring base and needle seat, one only it is provided with in heating power expansion valve of the prior art
Helical spring, single helical spring is susceptible to stuck phenomenon time the most reciprocating, also results in for a long time
Camber of spring or follow the string, makes expansion valve cisco unity malfunction.The present invention is by doing the spring structure in heating power expansion valve
Improve, by spring increase by one protection straight tube, protection straight tube one end fix with spring base, protection straight tube one end and
Spring base is fixing has been a supporting role, it is to avoid spring bending displacement, stuck phenomenon occurs.It addition, protection straight tube is another
One end through support straight tube opening, be subsequently placed in support straight tube inside, when designing simultaneously, it is desirable to protection straight tube not with support
Straight tube is connected and also has a certain distance with supporting straight tube, and so protection straight tube can be mobile along with the compression of spring or stretching
And interiorly or exteriorly move toward supporting straight tube.The blind end supporting straight tube is connected with the needle being positioned at valve seat, supports straight tube
Blind end plays the effect of needle seat.It addition, the degree of superheat of heating power expansion valve is by opening the degree of superheat and effective degree of superheat forms, open
Opening the degree of superheat relevant with the pretightning force of spring, effective degree of superheat is relevant with the stroke of the intensity of spring and needle, uses the present invention
Spring structure be conducive to strengthen spring intensity, extend spring life-span.
Being additionally provided with adjusting rod in valve body, described adjusting rod is connected with spring base.Further, adjusting rod is by adjusting
The size of spring force adjusts the unlatching degree of superheat of heating power expansion valve.
Also including regulating pole socket, described regulation pole socket is threaded connection with valve body, and adjusting rod is positioned at inside regulation pole socket.
Further, regulation pole socket is threaded connection with valve body, solves valve body of the prior art and uses bolt with regulation pole socket
The problem that bolt falling easily occurs in the mode connected.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the refrigeration valve structure of the vehicle refrigerator of a kind of long service life of the present invention, by the spring in heating power expansion valve
Structure is improved, and by increasing a protection straight tube in spring, one end of protection straight tube is fixed with spring base, protection straight tube
One end and spring base are fixing has been a supporting role, it is to avoid spring bending displacement, stuck phenomenon occurs, makes the valve can not be just
Often work, causes the problem that refrigerator can not normally freeze；
2, the refrigeration valve structure of the vehicle refrigerator of a kind of long service life of the present invention, regulation pole socket is with valve body by screw thread even
Connect, solve the problem that bolt falling easily occurs in the valve body of the prior art mode with bolts with regulation pole socket.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the embodiment of the present invention 1 structural representation.
Labelling in accompanying drawing and the component names of correspondence:
1-valve body, 2-supports straight tube, 3-needle, 4-spring base, 5-spring, and 6-protects straight tube, 7-adjusting rod, and 8-regulates pole socket,
9-diaphragm, 10-evaporator outlet.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1:
The refrigeration valve structure of the vehicle refrigerator of a kind of long service life as shown in Figure 1, including valve body 1, in valve body 1 also
Being provided with a semi-enclosed cylindrical support straight tube 2, the blind end of described support straight tube 2 and the needle 3 being positioned at valve seat 1 connect
Connecing, the opening of described support straight tube 2 is adjacent with the spring base 4 being positioned at valve body 1, sets between straight tube 2 and spring base 4 supporting
Being equipped with a spring 5, one end of spring 5 and the opening supporting straight tube 2 are fixed, the other end is fixed with spring base 4；At spring 5
Inside is additionally provided with protection straight tube 6, and one end of described protection straight tube 6 is fixed with spring base 4, and the other end is placed in support straight tube 2
Portion.Being additionally provided with adjusting rod 7 in valve body 1, described adjusting rod 7 is connected with spring base 4.Also include regulating pole socket 8, described regulation
Pole socket 8 is threaded connection with valve body 1, and it is internal that adjusting rod 7 is positioned at regulation pole socket 8.
The work process of the refrigeration valve structure of the vehicle refrigerator of a kind of long service life: one is made up of elastic metallic
Diaphragm 9 top by the pressure effect of working medium in temperature-sensitive bag, acted on spring 5 power by evaporator outlet 10 pressure below.Film
Sheet 9, under the effect of three power, is heaved up or down, so that valve opening turns down or open greatly, in order to regulate the feed flow of vaporizer
Amount.When the liquid measure entering vaporizer is less than when needing of vaporizer thermic load, then at evaporator outlet 10, the degree of superheat of steam increases
Greatly, the pressure above diaphragm 9, more than the pressure of lower section, thus forces diaphragm 9 to bloat downwards, by adjusting rod 7 compression spring
5, and needle 3 is backed down, make valve opening open greatly, then liquid supply rate increases.Otherwise when liquid supply rate is more than when needing of vaporizer thermic load,
Then at evaporator outlet 10, the degree of superheat of steam reduces, and the pressure in temperature-sensitive system reduces, and the active force above diaphragm 9 is less than down
Side active force time, make diaphragm 9 upwards bloat, spring 5 extends, and adjusting rod 7 moves and makes valve opening turn down, the feed flow to vaporizer
Amount reduces the most therewith.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (3)
1. a refrigeration valve structure for the vehicle refrigerator of long service life, including valve body (1), it is characterised in that at valve body
(1) be additionally provided with a semi-enclosed cylindrical support straight tube (2) in, the blind end of described support straight tube (2) be positioned at valve seat
(1) needle (3) in connects, and the opening of described support straight tube (2) is adjacent with the spring base (4) being positioned at valve body (1), is propping up
A spring (5), one end of spring (5) and the opening supporting straight tube (2) it is provided with between support straight tube (2) and spring base (4)
Fixing, the other end is fixed with spring base (4)；Straight tube (6) is protected internal being additionally provided with of spring (5), described protection straight tube (6)
One end is fixed with spring base (4), and it is internal that the other end is placed in support straight tube (2).
The refrigeration valve structure of the vehicle refrigerator of a kind of long service life the most according to claim 1, it is characterised in that
Being additionally provided with adjusting rod (7) in valve body (1), described adjusting rod (7) is connected with spring base (4).
The refrigeration valve structure of the vehicle refrigerator of a kind of long service life the most according to claim 2, it is characterised in that
Also including regulating pole socket (8), described regulation pole socket (8) is threaded connection with valve body (1), and adjusting rod (7) is positioned at regulation pole socket
(8) internal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886486.2A CN106246977A (en) | 2016-10-11 | 2016-10-11 | A kind of refrigeration valve structure of the vehicle refrigerator of long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886486.2A CN106246977A (en) | 2016-10-11 | 2016-10-11 | A kind of refrigeration valve structure of the vehicle refrigerator of long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106246977A true CN106246977A (en) | 2016-12-21 |
Family
ID=57611459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886486.2A Pending CN106246977A (en) | 2016-10-11 | 2016-10-11 | A kind of refrigeration valve structure of the vehicle refrigerator of long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246977A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225339A (en) * | 2016-08-24 | 2016-12-14 | 常州市武进南夏墅苏南锻造有限公司 | Outer balanced type heating power expansion valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4852364A (en) * | 1987-10-23 | 1989-08-01 | Sporlan Valve Company | Expansion and check valve combination |
| US4978062A (en) * | 1990-02-28 | 1990-12-18 | Sporlan Valve Company | Thermostatic expansion valve with bi-directional flow |
| CN2199388Y (en) * | 1994-04-29 | 1995-05-31 | 刘松乔 | Check valve |
| CN102758965A (en) * | 2011-04-27 | 2012-10-31 | 浙江三花股份有限公司 | Thermostatic expansion valve |
| CN206093095U (en) * | 2016-10-11 | 2017-04-12 | 成都芯云时代科技有限公司 | A improve structure for thermostatic expansion valve of on -vehicle refrigerator |
-
2016
- 2016-10-11 CN CN201610886486.2A patent/CN106246977A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4852364A (en) * | 1987-10-23 | 1989-08-01 | Sporlan Valve Company | Expansion and check valve combination |
| US4978062A (en) * | 1990-02-28 | 1990-12-18 | Sporlan Valve Company | Thermostatic expansion valve with bi-directional flow |
| CN2199388Y (en) * | 1994-04-29 | 1995-05-31 | 刘松乔 | Check valve |
| CN102758965A (en) * | 2011-04-27 | 2012-10-31 | 浙江三花股份有限公司 | Thermostatic expansion valve |
| CN206093095U (en) * | 2016-10-11 | 2017-04-12 | 成都芯云时代科技有限公司 | A improve structure for thermostatic expansion valve of on -vehicle refrigerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225339A (en) * | 2016-08-24 | 2016-12-14 | 常州市武进南夏墅苏南锻造有限公司 | Outer balanced type heating power expansion valve |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |