CN109695721A - Throttling stop valve and air-conditioning system with it - Google Patents
Throttling stop valve and air-conditioning system with it Download PDFInfo
- Publication number
- CN109695721A CN109695721A CN201710992050.6A CN201710992050A CN109695721A CN 109695721 A CN109695721 A CN 109695721A CN 201710992050 A CN201710992050 A CN 201710992050A CN 109695721 A CN109695721 A CN 109695721A
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- China
- Prior art keywords
- valve
- spool
- port portion
- valve port
- main body
- Prior art date
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Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of throttling stop valve and with its air-conditioning system, the throttling stop valve includes the valve body with valve chamber and the valve rod in the valve chamber, the horizontal interface that the valve body also has vertical joint mouth and is connected to the valve chamber, the vertical joint mouth are connected to by valve port portion with the valve chamber;The valve port portion includes orifice segment;It further include the spool with throttling through-hole, the spool can be moved down to abut with the valve port portion between the valve port portion and the valve rod along the valve chamber, or be moved up along the valve chamber to be detached from the valve port portion;Flexible component is abutted between the spool and the valve port portion, further includes the position limiting structure for limiting the elastomeric element position.The structure design of the throttling stop valve, which can support spool, to be positioned, and reduces the probability of spool offset, while also avoiding the vibration during spool moves up and down, noise is small.
Description
Technical field
The present invention relates to refrigeration system technical fields, more particularly to a kind of throttling stop valve and with its air-conditioning system
System.
Background technique
Within air-conditioning systems, shut-off valve is mainly used for connecting indoor unit and outdoor unit, only has cutoff function.
The component that throttles also is needed in air-conditioning system, to realize throttling function, currently, commonly throttling in air-conditioning system
Filtering device is main capillary, assisted capillary, filter and check valve.
Shut-off valve and throttling filter device are relatively independent component in air-conditioning system pipeline, mainly use welding manner
It is connected in pipeline, because components are more, correspondingly, solder joint is more, is easy to produce leakage, and occupied space is big.
To solve the above problems, applicant proposed the spool with throttling through-hole is added in the valve chamber of shut-off valve, and
Valve port portion is set as to the scheme of throttle structure, under the pressure effect of incoming fluid, which can be in the valve port portion of shut-off valve
It is moved up and down between valve rod, to pass through the effect of the throttle structure realization bidirectional throttle in its throttle through-hole and valve port portion, cut-off
The realization principle of function is similar with conventional shut-off valve, compresses spool by valve rod and blocks its throttling through-hole to realize.
However, finding in practical applications, there are spools to be easy offset, and the problem that noise is big for the throttling stop valve.
Summary of the invention
The object of the present invention is to provide a kind of throttling stop valve, the structure design of the throttling stop valve can support spool
Positioning, reduces the probability of spool offset, while also avoiding the vibration during spool moves up and down, and noise is small.
In order to solve the above technical problems, the present invention provides a kind of throttling stop valve, including the valve body with valve chamber and it is set to
Valve rod in the valve chamber, the horizontal interface that the valve body also has vertical joint mouth and is connected to the valve chamber, the vertical joint mouth pass through
Valve port portion is connected to the valve chamber;The valve port portion includes orifice segment;
It further include the spool with throttling through-hole, the spool, and can between the valve port portion and the valve rod
It moves down along the valve chamber to be abutted with the valve port portion, or moves up along the valve chamber to be detached from the valve port portion;The spool with
Flexible component is abutted between the valve port portion, further includes the position limiting structure for limiting the elastomeric element position.
Throttling stop valve provided by the invention is provided with elastomeric element between spool and valve port portion, and has limitation should
The position limiting structure of elastomeric element position, in this way, spool is supported by elastomeric element, when fluid is flowed into from horizontal interface, in fluid pressure
Under power effect, when spool moves down, elasticity of compression component, due to the support of elastomeric element, spool movement is more steady, because of bullet
The position of property component is limited by position limiting structure, and spool is also not susceptible to deviate in moving process, when fluid is from vertical joint mouth stream
Enter, under Fluid pressure effect, when spool moves up, elastomeric element reset is bounced, equally in the support of elastomeric element and limit
Under position, the movement of spool is steady and is not easy to deviate, that is to say, that during two-way fluid flowing, spool can be smoothly
It is mobile, and by the support limit of elastomeric element, it will not vibrate, reduce the noise in the throttling stop valve course of work.
The valve port portion and the junction of the valve chamber are formed with step surface upward, and the spool has ladder directed downwardly
Face, the upper end of the elastomeric element are connected to the cascaded surface, and the lower end of the elastomeric element is connected to the step surface;It is described
Cascaded surface and the step surface form the position limiting structure.
The spool includes spool main body and the first boss axially extended along the lower end of the spool main body, the spool
The lower end surface of main body forms the cascaded surface, and the first boss is inserted into inside the elastomeric element.
The peripheral wall of the spool main body is equipped with more than two protrusions extended radially, center to the institute of the spool main body
The radial dimension for stating protrusion is adapted with the radius of the valve chamber;Between the periphery wall of the spool main body and the valve chamber inner wall
Form runner.
The outer diameter of the spool main body is adapted with the internal diameter of the valve chamber, and the circumference of the spool main body has connection institute
State the through slot above and below spool main body.
The spool further includes the second boss stretched out along the top axial of the spool main body.
When the spool is abutted with the valve port portion, the orifice segment is connected to the throttling through-hole;
When the spool is detached from the valve port portion, the horizontal interface passes through the valve port portion, the spool and the valve chamber
The runner and the perpendicular orifice formed between inner wall;
The valve rod can be moved down along the valve chamber, the spool is pressed against the valve port portion, and block the section
Recirculation hole, or moved up along the valve chamber, to form the space of the spool axial movement.
The valve port portion further includes the taper hole section above the orifice segment, and the spool is supported with the valve port portion
When connecing, the conical inboard wall of the lower end of the spool and the taper hole section forms linear sealing.
Filter element is equipped in the horizontal interface and/or the vertical joint mouth.
The present invention also provides a kind of air-conditioning system, including indoor interchanger and outdoor interchanger, the interior interchanger with
The pipeline of the outdoor interchanger connection is equipped with throttling stop valve described in any of the above embodiments.
Since above-mentioned throttling stop valve has above-mentioned technique effect, so the air-conditioning system with the throttling stop valve also has
There is corresponding technical effect, discussion is not repeated herein.
Detailed description of the invention
Figures 1 and 2 show that in specific embodiment throttling stop valve diagrammatic cross-section, wherein Fig. 1 be fluid connect from horizontal
Working condition when mouth flows into, Fig. 2 are working condition when fluid is flowed into from vertical joint mouth;
Fig. 3 is the diagrammatic cross-section of the valve body of throttling stop valve in specific embodiment;
Fig. 4 is the structural schematic diagram of the spool of throttling stop valve in specific embodiment;
Fig. 5 is the front view of spool shown in Fig. 4.
Wherein, one-to-one relationship of the Fig. 1 into Fig. 5 between component names and appended drawing reference is as follows:
Valve body 10, valve port portion 11, orifice segment 111, taper hole section 112, valve chamber 12, horizontal interface 13, vertical joint mouth 14, step
Face 15;
Valve rod 20;
Spool 30, throttle through-hole 30a, spool main body 31, protrusion 311, first boss 32, second boss 33;
Spring 40, filter element 50.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, figures 1 and 2 show that in specific embodiment throttling stop valve diagrammatic cross-section, wherein
Fig. 1 is working condition when fluid is flowed into from horizontal interface, and Fig. 2 is working condition when fluid is flowed into from vertical joint mouth.
It should be pointed out that the noun of locality mentioned in this article it is horizontal, vertical, it is upper and lower etc. be with Fig. 1 into Fig. 5 components position
It is defined on the basis of mutual alignment relation in figure and between components, the use of the noun of locality is intended merely to description technique
The convenience of scheme, it should be understood that the use of the noun of locality does not constitute limiting of its scope.
The throttling stop valve that the embodiment provides, including valve body 10 and valve rod 20;Wherein, valve body 10 has valve chamber 12, cross
Interface 13 and vertical joint mouth 14, valve chamber 12 is interior to be equipped with valve port portion 11, and vertical joint mouth 14 is connected to valve port portion 11, horizontal interface 13 and valve chamber 12
Connection;Horizontal interface 13 and vertical joint mouth 14 can be respectively and fixedly connected with external runner pipe, by throttling stop valve connection in system pipeline.
Valve rod 20 is set in 12 in valve chamber, and in the embodiment, valve rod 20 is still used with valve body 10 and is threadedly coupled, rotation valve rod
When 20, under the action of screw thread pair, valve rod 20 can be moved up and down along valve chamber 12.
In the embodiment, throttling stop valve further includes spool 30, which has throttling through-hole 30a, and spool 30 is located at
It between valve port portion 11 and valve rod 20, and can be moved down along valve chamber 12 to be abutted with valve port portion 11, or moved up along valve chamber 12 to be detached from
Valve port portion 11, and be configured to:
When spool 30 is abutted with valve port portion 11, the orifice segment 111 in valve port portion 11 is connected to throttling through-hole 30a;
When spool 30 is detached from valve port portion 11, horizontal interface 13 passes through runner, the valve formed between 12 inner wall of spool 30 and valve chamber
Oral area 11 is connected to vertical joint mouth 14.
After setting spool 30 is arranged between valve rod 20 and valve port portion 11 in the throttling stop valve, when rotation valve rod 20 moves down
When, spool 30 can be pressed against valve port portion 11 by valve rod 20, and block the throttling through-hole 30a of spool 30, to separate horizontal interface
13 can step down to form the space that spool 30 moves up and down with the connection of vertical joint mouth 14 after rotation valve rod 20 moves up.
As above after design, with reference to Fig. 1, when fluid is flowed into from the horizontal interface 13 of throttling stop valve, in the work of Fluid pressure
It under, pushes spool 30 to move down and is abutted with valve port portion 11, at this time the orifice segment of throttling the through-hole 30a and valve port portion 11 of spool 30
111 are connected to, fluid warp knuckle recirculation hole 30a, the outflow of valve port portion 11 vertical joint mouth 14, under the working condition, throttling through-hole 30a, throttling
Hole section 111 plays throttling action, and throttle degree ultimately depends on throttling through-hole 30a, aperture lesser one in orifice segment 111
Person;It under the action of Fluid pressure, is pushed on spool 30 with reference to Fig. 2 when fluid is flowed into from the vertical joint mouth 14 of throttling stop valve
It moves, disengages it from valve port portion 11, at this point, fluid flows out horizontal interface 13 through the runner between valve port portion 11, spool 30 and valve chamber, it should
Under working condition, the orifice segment 111 in valve port portion 11 plays throttling action to fluid.
When actual setting, the demand flowed to according to two, to determine the size of orifice segment 111, the through-hole 30a that throttles, and
The size relation of the two.
As described above, the throttling stop valve can either realize cutoff function, and it can be realized bidirectional throttle function, applicability
Extensively, when being applied in refrigeration system pipeline, the setting of orifice union can be saved, cost is not only saved, additionally it is possible to reduce pipe
Number of welds in road reduces leakage probability.
In specific scheme, which further includes the spring 40 being connected between spool 30 and valve port portion 11, this
Sample, when the upward jack-up of spool 30 under the supporting role of spring 40, can be avoided spool 30 from the inflow of vertical joint mouth 14 by fluid
Vibration reduces noise.
It is moved down under Fluid pressure acts on it should be appreciated that the elastic force setting of spring 40 should not influence spool 30
It is dynamic.
It is appreciated that other elastomeric elements can be also set between spool 30 and valve port portion 11 other than spring 40, as long as
Support can be provided to spool 30, and it is mobile to will not influence spool 30 when spool 30 is jacked up.
Meanwhile the throttling stop valve further includes the position limiting structure for limiting elastomeric element position.
As above, after elastomeric element being arranged between spool 30 and valve port portion 11, spool 30 is supported by elastomeric element, works as stream
Body is flowed into from horizontal interface 13, under Fluid pressure effect, when spool 30 moves down, and elasticity of compression component, due to elastomeric element
Support, spool 30 movement it is more steady, because the position of elastomeric element is limited by position limiting structure, spool 30 is in moving process
Also it is not susceptible to deviate, when fluid is flowed into from vertical joint mouth 14, under Fluid pressure effect, when spool 30 moves up, elastic portion
Part reset is bounced, and equally under the support of elastomeric element and limit, the movement of spool 30 is steady and is not easy to deviate, that is to say, that
During two-way fluid flowing, spool 30 can be moved smoothly, and by the support limit of elastomeric element, will not be shaken
It is dynamic, reduce the noise in the throttling stop valve course of work.
It is the diagrammatic cross-section of the valve body of throttling stop valve in specific embodiment please also refer to Fig. 3, Fig. 3.
In specific scheme, valve port portion 11 further includes the taper hole section 112 positioned at 111 top of orifice segment, spool 30 with
When valve port portion 11 abuts, the lower end of spool 30 and the conical inboard wall of taper hole section 112 form linear sealing.
Specifically, being also formed with step surface 15 upward, the lower end of spring 40 in taper hole section 112 and 12 junction of valve chamber
It is connected to the step surface 15;Specifically, also cascaded surface directed downwardly can be arranged on spool 30, so that the upper end of spring 40 is connected to this
Cascaded surface realizes that the support to spring 40 positions in this way, step surface 15 and cascaded surface form aforementioned position limiting structure.
Certainly, when actual setting, the orifice segment 111 in valve port portion 11 and the junction of valve chamber 12 can also be planar structure,
That is, valve chamber 12 is directly connected to orifice segment 111, centre is not provided with the taper hole section 112 of transition, it will be understood that valve
Chamber 12 and orifice segment 111 form the structure type of stepped hole, in this way, being spool 30 when spool 30 is abutted with valve port portion 11
Lower end surface is bonded to form sealing with valve chamber 12 with the cascaded surface upward of 111 junction of orifice segment, belongs to face sealing.Compared to
The structure type of above-mentioned linear sealing, face sealing are higher for the requirement on machining accuracy of sealing surface.
It is the structural schematic diagram of the spool of throttling stop valve in specific embodiment please also refer to Fig. 4 and Fig. 5, Fig. 4;Fig. 5
For the front view of spool shown in Fig. 4.
In specific scheme, spool 30 includes spool main body 31, and the peripheral wall of spool main body 31 is equipped with two or more radially
The protrusion 311 of stretching, wherein the radial dimension of the center of spool main body 31 to protrusion 311 is adapted with the radius of valve chamber 12, this
After sample assembly, spool 30 realizes radial positioning by protrusion 311 and valve chamber 12, and spool 30 is avoided radially to shake in valve chamber 12
It is dynamic, while the space formed between the peripheral wall of spool main body 31 and 12 inner wall of valve chamber is connected to above and below spool main body 31,
Form aforementioned runner.
More specifically, protrusion 311 is specially along the axially extending strip protrusion of spool main body 31, multiple protrusions 311
Circumferential direction along spool main body 311 is uniformly distributed, it is ensured that the stability that spool 30 moves up and down prevents deflection.
Spool main body 31 is schematically illustrated in figure and sets structure there are three protrusion 311, it will be understood that when actual setting
It can according to need the number of determining protrusion 311.
Spool 30 can also be other structures other than above structure, for example, making the outer diameter and valve chamber 12 of spool main body 31
Internal diameter be adapted, spool main body 31 circumference open up connection spool main body 31 above and below through slot, it is aforementioned to be formed
Runner.Wherein, the concrete form of through slot is unlimited, as long as the top valve chamber that spool 30 can be made to separate is connected to i.e. with lower part valve chamber
It can.
In specific scheme, spool 30 further includes the first boss 32 axially extended along the lower end of spool main body 31, in this way,
The top of spring 40 between spool 30 and valve port portion 11 can be sheathed on first boss 32, support with the lower end of spool main body 31
It connects, further limit is formed to spring 40, it will be understood that after designing in this way, the lower end surface of spool main body 31 is aforementioned rank
Tread.Obviously, first boss 32 can extend into the taper hole section 112 in valve port portion 11, abut with the inner wall of taper hole section 112.
In addition, the upper end of spool main body 31 also is provided with axially extended second boss 33, in this way, forming spool 30 up and down
Substantially symmetric structure is conducive to the stationarity that spool 30 moves up and down.
In specific scheme, filter element 50 is equipped in the horizontal interface 13 and/or vertical joint mouth 14 of the throttling stop valve, with
The impurity exempted from fluid flows into valve, blocks throttling passage.
Other than above-mentioned throttling stop valve, the present invention also provides a kind of air-conditioning systems, including indoor interchanger and outdoor friendship
It changes planes, the pipeline that the interior interchanger is connect with the outdoor interchanger is equipped with throttle check described in any of the above embodiments
Valve.
Since above-mentioned throttling stop valve has above-mentioned technique effect, so the air-conditioning system with the throttling stop valve also has
There is corresponding technical effect, discussion is not repeated herein.
It is described in detail above to throttling stop valve provided by the present invention and with its air-conditioning system.Herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention.It should be pointed out that for those skilled in the art, not taking off
, can be with several improvements and modifications are made to the present invention under the premise of from the principle of the invention, these improvement and modification also fall into this
In invention scope of protection of the claims.
Claims (10)
1. throttling stop valve, which is characterized in that including the valve body (10) with valve chamber (12) and be set in the valve chamber (12)
Valve rod (20), the valve body (10) are described perpendicular also with vertical joint mouth (14) and the horizontal interface (13) being connected to the valve chamber (12)
Interface (14) is connected to by valve port portion (11) with the valve chamber (12);The valve port portion (11) includes orifice segment (111);
It further include the spool (30) with throttling through-hole (30a), the spool (30) is located at the valve port portion (11) and the valve
Between bar (20), and it can be moved down along the valve chamber (12) to be abutted with the valve port portion (11), or along the valve chamber (12)
It moves to be detached from the valve port portion (11);Flexible component is abutted between the spool (30) and the valve port portion (11), further includes
Limit the position limiting structure of the elastomeric element position.
2. throttling stop valve according to claim 1, which is characterized in that the valve port portion (11) and the valve chamber (12)
Junction is formed with step surface (15) upward, and the spool (30) has cascaded surface directed downwardly, the upper end of the elastomeric element
It is connected to the cascaded surface, the lower end of the elastomeric element is connected to the step surface (15);The cascaded surface and the step
Face (15) forms the position limiting structure.
3. throttling stop valve according to claim 2, which is characterized in that the spool (30) include spool main body (31) and
The lower end surface of the first boss (32) axially extended along the lower end of the spool main body (31), the spool main body (31) forms institute
Cascaded surface is stated, the first boss (32) is inserted into inside the elastomeric element.
4. throttling stop valve according to claim 3, which is characterized in that there are two the peripheral wall of the spool main body (31) is set
The protrusion (311) extended radially above, radial dimension and institute of the center of the spool main body (31) to the protrusion (311)
The radius for stating valve chamber (12) is adapted;Stream is formed between the periphery wall and the valve chamber (12) inner wall of the spool main body (31)
Road.
5. throttling stop valve according to claim 3, which is characterized in that the outer diameter and the valve of the spool main body (31)
The internal diameter of chamber (12) is adapted, and the circumference of the spool main body (31), which has, to be connected to above and below the spool main body (31)
Through slot.
6. according to the described in any item throttling stop valves of claim 3-5, which is characterized in that the spool (30) further includes along institute
State the second boss (33) that the top axial of spool main body (31) stretches out.
7. throttling stop valve according to claim 1-5, which is characterized in that the spool (30) and the valve port
When portion (11) abuts, the orifice segment (111) is connected to the throttling through-hole (30a);
When the spool (30) is detached from valve port portion (11), the horizontal interface (13) passes through the valve port portion (11), the valve
The runner formed between core (30) and the valve chamber (12) inner wall is connected to the vertical joint mouth (14).
8. throttling stop valve according to claim 1-5, which is characterized in that the valve port portion (11) further includes position
Taper hole section (112) above the orifice segment (111), when the spool (30) abuts with the valve port portion (11), institute
The conical inboard wall of the lower end and the taper hole section (112) of stating spool (30) forms linear sealing.
9. throttling stop valve according to claim 1-5, which is characterized in that the horizontal interface (13) and/or institute
It states in vertical joint mouth (14) and is equipped with filter element (50).
10. air-conditioning system, including indoor interchanger and outdoor interchanger, which is characterized in that the interior interchanger and the room
The pipeline of outer interchanger connection is equipped with the described in any item throttling stop valves of claim 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710992050.6A CN109695721A (en) | 2017-10-23 | 2017-10-23 | Throttling stop valve and air-conditioning system with it |
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Application Number | Priority Date | Filing Date | Title |
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CN201710992050.6A CN109695721A (en) | 2017-10-23 | 2017-10-23 | Throttling stop valve and air-conditioning system with it |
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CN109695721A true CN109695721A (en) | 2019-04-30 |
Family
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CN201710992050.6A Pending CN109695721A (en) | 2017-10-23 | 2017-10-23 | Throttling stop valve and air-conditioning system with it |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113623902A (en) * | 2020-05-09 | 2021-11-09 | 盾安环境技术有限公司 | Throttling device and air conditioning system |
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CN113623902B (en) * | 2020-05-09 | 2023-09-05 | 盾安环境技术有限公司 | Throttling device and air conditioning system |
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