CN206973159U - Valve, air-conditioning system and pipe-line system filtering slagging structure - Google Patents

Valve, air-conditioning system and pipe-line system filtering slagging structure Download PDF

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Publication number
CN206973159U
CN206973159U CN201720853192.XU CN201720853192U CN206973159U CN 206973159 U CN206973159 U CN 206973159U CN 201720853192 U CN201720853192 U CN 201720853192U CN 206973159 U CN206973159 U CN 206973159U
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China
Prior art keywords
valve
fluid
groove
vertical
hole
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CN201720853192.XU
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Chinese (zh)
Inventor
侯成芳
丁东青
李冰凝
白智帆
刘宵
黄浩堂
魏书生
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201720853192.XU priority Critical patent/CN206973159U/en
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Abstract

The utility model provides a kind of valve, air-conditioning system and pipe-line system filtering slagging structure, the valve includes valve body and valve element, first fluid mouth is provided with the valve body, second fluid mouth and the valve pocket for the valve core movement, the valve pocket includes the non-vertical fluid passage section being connected with the first fluid mouth and second fluid mouth, the non-vertical fluid passage section is in non-vertical state when valve is in and opens working condition, filtration is provided with the non-vertical fluid passage section, the groove connected with the non-vertical fluid passage section or first through hole are provided with the valve body of at least side of the filtration, the groove or first through hole are arranged on half side under the non-vertical fluid passage section.Valve in the application has filtering deslagging function, and impurity in pipe-line system can be excluded, and prevents the blocked hidden danger of precision components.

Description

Valve, air-conditioning system and pipe-line system filtering slagging structure
Technical field
The utility model is related to pipe-line system technical field, and in particular to a kind of valve and be provided with the air-conditioning system of the valve with And pipe-line system filtering slagging structure.
Background technology
Valve used in air conditioner industry is typically by valve body, outlet pipe, fluorinfused nozzle nut, fluorinfused nozzle core assembly, regulation at present The part such as nut, union nut, rear box nut forms.Although this structure is simple, function is single, and often pipe-line system is transported After row a period of time, more or less there is certain impurity in refrigerant, the impurity in refrigerant can cause precision components in pipe-line system Block, cause system operation failure, larger safe mass hidden danger be present;Even if individually increase filter carries out contaminant filter, But impurity is inconvenient to remove;Also, fluorinfused nozzle valve element is damageable zone, without standby, reliability is low.
Utility model content
In view of this, one of the purpose of this utility model be to provide it is a kind of it is simple in construction, possess filtering function and be easy to The valve of deslagging, the air-conditioning system for being provided with the valve and a kind of pipe-line system filtering slagging structure.
To reach above-mentioned purpose, according to first aspect of the present utility model, there is provided Yi Zhongfa, including valve body and valve element, First fluid mouth, second fluid mouth and the valve pocket for the valve core movement are provided with the valve body, the valve pocket includes and institute The non-vertical fluid passage section that first fluid mouth is connected with second fluid mouth is stated, the non-vertical fluid passage section is in valve and beaten Non-vertical state is in when opening working condition, filtration is provided with the non-vertical fluid passage section, in the filtering The groove connected with the non-vertical fluid passage section or first through hole are provided with the valve body of at least side of structure, it is described recessed Groove or first through hole are arranged on half side under the non-vertical fluid passage section.
Preferably, the groove is set close to filtration, and the groove arrived close to the edge of side where filtration The distance for filtering structure is 5-10mm.
Preferably, at least side includes the first side and the second side, is respectively provided with the valve body of the first side and the second side There is the groove.
Preferably, on valve body and position that groove is corresponding is provided with the second through hole being connected with the groove.
Preferably, fluid supplement core assembly is provided with the first through hole or the second through hole.
Preferably, the fluid supplement core assembly includes valve element pin and is arranged on the valve element of the valve element pin radial outside Set, step-like valve seat is provided with one end of the valve core housing, and the valve element pin is provided with what can be coordinated with the valve seat Needle head.
Preferably, the valve element pin includes the needle main body being connected with each other and the needle head, the needle head are arranged on The respective end of the valve seat, it can be supported formed with step surface, the step surface in the junction of the needle main body and needle head Lean against on the valve seat.
Preferably, biasing member is provided between the valve element pin and valve core housing, is set on the inwall of the valve core housing The convex gear of the first biasing member of the radially inner side extension of oriented valve core housing, sets oriented valve element pin on the outer wall of the valve element pin The convex gear of the second biasing member of radial outside extension, the convex gear of the second biasing member gear more convex than first biasing member in the axial direction is more Add away from the valve seat, the biasing member is arranged between the convex gear of first biasing member and the convex gear of the second biasing member.
Preferably, the filtration includes filter screen, and the filter screen is vertical with the axis of the non-vertical fluid passage section Set;Or the filter screen is vertically arranged.
Preferably, position corresponding with the filter screen on the inwall of the valve pocket is provided with filter screen stopper slot, described The edge of filter screen is inserted in the filter screen stopper slot.
Preferably, when valve is in the operating position opened, the non-vertical fluid passage section is in horizontality.
Preferably, fluid outlet pipe is provided with the first fluid mouth, be connected on the valve body with fluid outlet pipe Position be provided with outlet pipe limited step.
According to second aspect of the present utility model, there is provided a kind of air-conditioning system, this is provided with the pipeline of air-conditioning system Valve described in application.
According to the third aspect of the present utility model, there is provided a kind of pipe-line system filters slagging structure, and the pipe-line system is set Non-vertical pipeline section is equipped with, is provided with filtration in the pipeline inner chamber of the non-vertical pipeline section, in the filtration extremely The groove connected with the pipeline inner chamber or first through hole are provided with the pipeline inner wall of few side, the groove or first through hole are set Put on half side under the circumference of the non-vertical pipeline section.
Preferably, it is provided with and is connected with the groove with position that groove is corresponding on the tube wall of the non-vertical pipeline section The second logical through hole.
Preferably, the non-vertical pipeline section is horizontal pipeline section.
Valve provided by the utility model and pipe-line system filtering slagging structure, are provided with filtration, can be to system pipes Impurity in road is filtered, also, filtration is arranged in non-vertical fluid passage section, and the non-vertical fluid passage section exists Valve is in when opening working condition and is in non-vertical state, and so, the filter residue after filtered structured filter can be in the work of gravity The downside of valve pocket is collected under, facilitates the discharge of filter residue;Fluted or first are set at least side of filtration simultaneously Through hole, the groove or first through hole are arranged on half side under the non-vertical fluid passage section or the circumference of pipeline section so that filter residue It can enter under gravity in groove or first through hole, facilitate the discharge of filter residue.Valve increase filtering row in the application Slag function, impurity in pipe-line system can be excluded, prevent the blocked hidden danger of precision components;It is easy for fluorinfused nozzle Problem of Failure, using double fluorinfused nozzle structures, improve reliability.
Brief description of the drawings
By the description to the utility model embodiment referring to the drawings, of the present utility model above-mentioned and other mesh , feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the overall structure decomposing schematic representation of the valve in the utility model;
Fig. 2 shows the sectional view of the valve in the utility model (valve element is in the closed position);
Fig. 3 shows the sectional view of the valve in the utility model (valve element is in an open position);
Fig. 4 shows the structural representation of the valve element in the utility model;
Fig. 5 shows the structural representation of the fluid supplement core assembly in the utility model;
Fig. 6-7 shows the fluid flow direction schematic diagram of the valve in the utility model;
Fig. 8 shows the pipe-line system filtering slagging structure schematic diagram in the utility model.
Embodiment
The utility model is described below based on embodiment, it should be understood by one skilled in the art that carrying herein The accompanying drawing of confession is provided to the purpose of explanation, and accompanying drawing is not necessarily drawn to scale.
Unless the context clearly requires otherwise, otherwise entire disclosure is similar with the " comprising " in claims, "comprising" etc. Word should be construed to the implication included rather than exclusive or exhaustive implication;That is, it is containing for " including but is not limited to " Justice.
" interior " " outer " described herein is referred to for valve body, is inner side towards the side of valve inner, It is outside towards the side on the outside of valve body.
As shown in Figure 1-2, the valve in the application includes valve body 1 and valve element 2, and first fluid is provided with the valve body 1 Mouth 11, second fluid mouth 12 and the valve pocket 13 for the valve element 2 motion, wherein, described first fluid mouth 11 and second fluid mouth 12 can be respectively as fluid intake or fluid issuing, for example, first fluid mouth 11 is as fluid intake, second fluid mouth 12 As fluid issuing;Or first fluid mouth 11 is used as fluid intake as fluid issuing, second fluid mouth 12.The valve element 2 Can be needle (as shown in Figure 1), or valve ball or other structures form.In a preferred embodiment, the valve Core 2 is cylindrical structural, and external screw thread 22 (referring to Fig. 4) is provided with the outer wall of valve element 2, is set on the valve pocket inwall of valve body 1 It is equipped with the internal thread (not shown) coordinated with the external screw thread 22.Valve element control knot is provided with one end of the valve element 2 Structure 21 (referring to Fig. 4), for driving movement of the valve element 2 in valve body 1, to open or close first fluid mouth 11 and second UNICOM between body mouth 12, so that valve is opened or closed.As shown in figure 5, the valve element control structure for example can be Square groove, a word or cross recess, the square groove, a word or cross recess can be with external tools, such as screwdriver, pneumatic screwdriver etc. Coordinate, so as to rotate the valve element 2 so that valve element 2 can move in valve pocket 13, so as to open or shutoff valve.Described The outside of valve element 2 is provided with rear box nut 23, and when that need not be operated to valve element 2, the rear box nut 23 is covered in institute State on valve body 1, and block the valve element 2, valve element 2 can be played a protective role.
In order to realize that the sealing of valve element 2 and valve body 1 coordinates, o-ring groove is provided with the inwall of valve pocket 13, close Seal groove is provided with sealing ring 132.When valve element 2 is in the closed position, the o-ring groove and sealing ring 132 are located at The inner end of the valve element 2, by the cooperation valve element 2 between sealing ring 132 and valve element 2 it is in the closed position when realize pair The sealing of fluid.
The valve pocket 13 includes the non-vertical fluid passage being connected with the first fluid mouth 11 and second fluid mouth 12 Section 14, the non-vertical fluid passage section 14 are in non-vertical state when valve is in and opens working condition.In the non-vertical stream Filtration 3 is provided with body channel section 14, for being filtered to the fluid for flowing through non-vertical fluid passage section 14.The mistake Filter structure 3 includes filter screen 31, and axis of the filter screen 31 preferably with the non-vertical fluid passage section 14 is vertically arranged, so may be used Increase the filter efficiency of filter screen 31.In other examples, filter screen 31 is placed vertically, can so be facilitated after the filtering of filter screen 31 Filter residue deposit downwards under gravity.Non-vertical fluid passage section 14 is divided into the He of the first side 1411 by the filter screen 31 Second side 1412, the side 1412 of the first side 1411 and second can be used as filter screen upstream side and filter screen downstream, shown in Fig. 2 In the state of, when fluid flows to the right from the left side of filter screen 31, the left side of the filter screen 31 is filter screen upstream side, and right side is Filter screen downstream;On the contrary, when fluid flows to the left from the right side of filter screen 31, the right side of the filter screen 31 is filter screen upstream Side, left side are filter screen downstream.
Preferably, position corresponding with the filter screen 31 on the inwall of the valve pocket 13 of the valve body 1 is provided with filter screen Stopper slot, the filter screen stopper slot are preferably formed in the annular groove on the inwall of valve body 1, described in the edge insertion of the filter screen 31 In filter screen stopper slot, the convenient fixation to filter screen 31.
In a preferred embodiment, set on the valve body of at least side of the side 1412 of the first side 1411 and second Fluted 142, on the groove 142 is half side under the non-vertical fluid passage section 14 when valve is in running order, this Sample, the filter residue after the filter screen 31 filtering can be fallen in the groove 142 under gravity so that filter residue will not be to flowing through Fluid in non-vertical fluid passage section 14 produces secondary pollution, while is also convenient for being purged filter residue.Preferably, it is described recessed Groove 142 is preferably 5-10mm close to the distance of the edge of filter screen 31 to filter screen 31, can so ensure effective deslagging effect;It is preferred that Ground, the groove 142 is provided with the valve body of the first side 1411 and the second side 1412, so, can be to the both sides of filter screen 31 Filter residue carries out deslagging.In other examples, groove 142 can also be not provided with, and a through hole is directly set, with the external world even Logical, so, the filter residue after the filtering of filter screen 31 can be entered in the through hole, when the filter residue accumulation in through hole is a certain amount of Wait, discharged by the through hole, can so served the same role.
The filter residue discharge accumulated in for convenience in groove 142, it is preferable that on valve body 1 and the corresponding position of groove 142 The through hole 143 for being equipped with and being connected with the groove 142 is installed, it is convenient that filter residue in groove 142 is handled.
In a preferred embodiment, fluid supplement core assembly 4, such as fluorinfused nozzle are provided with the through hole 143 Core assembly, for the heat pump coolant adding where valve.So, fluid replenishment valve can be respectively provided with the both sides of filter screen 31 Core assembly 4, two fluid supplement core assemblies 4 can be mutually standby, after avoiding fluid supplement core assembly 4 from failing, whole system System is affected, and adds the reliability of system operation.The outside of fluid supplement core assembly 4 is provided with protection nut 160, such as fluorinfused nozzle nut.During system operation, the through hole 143 supplements core assembly 4 and protection nut through the fluid 160 are closed, and avoid the fluid leakage in system, when system requires supplementation with fluid, protection nut 160 are opened, through described Fluid supplement core assembly 4 is supplemented the fluid in system, such as the refrigerant fluorine of supplement heat pump.
As shown in figure 5, in a preferred embodiment, the fluid supplement core assembly 4 includes valve element pin 41 and set In the valve core housing 42 of the radial outside of valve element pin 41, step-like valve seat 421, institute are provided with one end of the valve core housing 42 State valve element pin 41 and be arranged on the valve seat 421 including the needle main body 411 being connected with each other and needle first 412, the needle head Respective end, the cross sectional dimensions of the needle first 412 is more than the cross sectional dimensions of the needle main body 411, so, in the valve The junction of pin main body 411 and needle first 412 is formed with step surface 413.Preferably, the step surface 413 includes part-conical face And anchor ring, it is conveniently sufficiently sealed between valve seat 421.Under normal circumstances, the step surface 413 of the needle 41 is resisted against valve On seat 421, fluid supplement core assembly 4 is closed.Preferably, set between the valve element pin 41 and valve core housing 42 There is biasing member 43, the biasing member 43 is, for example, flexible rubber ring or spring, specifically, is set on the inwall of the valve core housing 42 The convex gear 422 of the first biasing member of the radially inner side extension of oriented valve core housing, oriented valve is set on the outer wall of the valve element pin 41 The convex gear 414 of the second biasing member of the radial outside extension of core needle, the convex gear 414 of the second biasing member are more convex than the first biasing member in the axial direction For gear 422 farther away from the valve seat 421 and needle first 412, the biasing member 43 is arranged on the convex gear 422 and second of the first biasing member Between the convex gear 414 of biasing member, it can be that the valve element pin 41 provides the bias force being resisted against on valve seat 421, the valve element can be achieved Tight seal between pin 41 and valve core housing 42.When requiring supplementation with fluid, extraneous high-pressure fluid, such as high pressure refrigerant, it can incite somebody to action Valve element pin 41 jacks up to the direction away from valve core housing 42 so that and needle first 412 is lifted off a seat 421 (biasing member 43 compresses), now, Fluid supplement valve element is opened, can into system fluid replacement, such as refrigerant can be irrigated.Valve element group is supplemented in order to facilitate fluid The dismounting of part 4, component movement driving structure (not shown), component movement driving knot are provided with the outer end of valve core housing 42 Structure for example can be the pneumatic screwdriver groove being arranged on valve core housing outer end, pneumatic screwdriver can be used to supplement core assembly 4 from outside rotating fluid, So as to install or disassemble fluid supplement core assembly 4.
Preferably, as shown in Figure 1-2, fluid supplement portion 16 is provided with valve body 1, the through hole 143 is arranged on described In fluid supplement portion 16.The groove 142 is arranged on the side of the close valve body in fluid supplement portion 16, the through hole 143 and institute Groove 142 is stated to be connected.The protection nut 160 is arranged on the side of the fluid supplement core assembly 4 away from valve body 1, External screw thread is provided with the outer wall in the fluid supplement portion 16, when not needing fluid replacement, the protection nut 160 is by outer Screw thread is covered in fluid supplement portion 16, and the fluid supplement core assembly 4 being pointed in fluid supplement portion 16 is protected.
Preferably, fluid outlet pipe 5 is provided with the first fluid mouth 11, the circulation for fluid.In the valve body 1 The upper position being connected with fluid outlet pipe 5 is provided with outlet pipe limited step 15, and the outlet pipe limited step 15 causes positioned at close to institute The internal diameter for stating the valve pocket at first fluid mouth 11 becomes big, facilitates the installation of the fluid outlet pipe 5.Specifically, during installation, the stream The end abutment of body outlet pipe 5 can position on the outlet pipe limited step to the fluid outlet pipe 5.Described second Pipe joint 6 is provided with fluid flow port 12, for connecting line.The pipe joint 6 is, for example, union nut, is set on the pipe joint 6 Through hole is equipped with, the insertion available for pipe arrangement.Sealing ring 61 is provided between the pipe joint 6 and valve body 1.
Below by taking the stop valve in applied to air-conditioning system as an example, to illustrate the concrete application of the valve in the application.
1. cut-off state, this state is the outer machine factory state of air-conditioning system, and now the inner and outer machine of air-conditioning system is in Released state, as shown in Fig. 2 the valve element 2 is in the closed position, sealed in the presence of sealing ring 132, while fluid Supplement core assembly 4 (fluorinfused nozzle core assembly) is synchronously in cut-off state, and now the refrigerant in fluid outlet pipe 5 can not leak, Play a part of sealing cut-off.
2. conducting state, this state is internal-external machine connecting leg state (as shown in Figure 3), and now valve element 2 is in an open position, the One fluid flow port 11 or second fluid mouth 12 are in connected state, and the refrigerant in fluid outlet pipe 5 can connect with connecting pipings, compressor When refrigeration or heating state, refrigerant flows into connecting pipings from fluid outlet pipe 5, realizes internal-external machine conducting connection, refrigerant can be normal Flowing.
3. filtering function, as shown in figure 3, when valve is in the conduction state, internal-external machine on-line working, air-conditioning freezed or When person heats, refrigerant can flow from the left and right of valve filter screen 31, and now filter screen 31 can filter to the impurity in refrigerant, filter residue meeting Stay in the groove 142 (filter residue stillpot, as shown in Figure 2 structure) of the both sides of filter screen 31 and precipitated.
4. deslagging function, as Figure 2-3, when filter residue is deposited in groove 142, periodically it can be supplemented by removing fluid Core assembly 4 (fluorinfused nozzle core assembly) carries out deslagging, to reach the function of being removed the gred in refrigerant.
5. two-way flow mode, as shown in fig. 6-7, the direction of arrow represents fluid flow direction in figure, when fluid outlet pipe 5 connects (not shown) when connecing four-way valve member pipe-line system, connecting tube pipe arrangement connection in machine work when, when unit be in refrigeration mould Formula, it is assumed that refrigerant is flowed into connecting tube pipe arrangement from interior machine evaporator, subsequently into stop valve, is flowed out from fluid outlet pipe 5, now cold Matchmaker is flowed from the right-hand member of stop valve to left end;If unit is in heating mode, now refrigerant is from the place end of fluid outlet pipe 5 of valve Flow into, flowed out from connecting tube pipe arrangement, now refrigerant realizes the two-way flow of refrigerant from the left-to-right flowing of stop valve.
According to identical principle, the application also provides a kind of pipe-line system filtering slagging structure, as shown in figure 8, the pipe Road system is provided with non-vertical pipeline section 100, screen pack 101 is provided with the pipeline inner chamber of the non-vertical pipeline section 100, in institute The groove 102 for being provided with the pipeline inner wall of at least side of screen pack 101 and being connected with the pipeline inner chamber is stated, the groove 102 It is arranged on half side under the circumference of the non-vertical pipeline section, is preferably provided at the lowest part of non-vertical pipeline section.So, in fluid stream Impurity when by the road in fluid can be filtered through the screen pack 101, and the impurity after filtering can be in the effect of gravity Under fall into the groove 102 so that the fluid that impurity after filtering will not be in convection current by the road causes secondary pollution.In addition In one embodiment, it is provided with what is connected with the pipeline inner chamber on the pipeline inner wall of at least side of the screen pack 101 Through hole 103, it is generally the case that the through hole 103 can be sealed by other structures, such as lid etc., when impurities accumulation is to necessarily During degree, the circulation of the fluid blocked in the pipeline, the impurity of accumulation is discharged through the through hole 103, can be achieved convenient Filter tapping process.
Preferably, in order to facilitate the impurity discharge in groove, on the tube wall of the non-vertical pipeline section 100 and groove 101 Corresponding position is provided with the through hole 104 being connected with the groove 101, and the impurity accumulated in the groove 101 can be through this Through hole 104 is discharged, and this structure can concentrate discharge impurity filter residue again after fluid circulation a period of time in pipeline, filter deslagging Effect is than more prominent.Also, fluid can also be set to supplement core assembly 4 in through hole 103 and through hole 104, it is convenient to pipeline Fluid in system is supplemented.
Valve provided by the utility model and pipe-line system filtering slagging structure, are provided with filtration, can be to system pipes Impurity in road is filtered, also, filtration is arranged in non-vertical fluid passage section, and the non-vertical fluid passage section exists Valve is in when opening working condition and is in non-vertical state, and so, the filter residue after filtered structured filter can be in the work of gravity The downside of valve pocket is collected under, facilitates the discharge of filter residue;Fluted or first are set at least side of filtration simultaneously Through hole, the groove or first through hole are arranged on half side under the non-vertical fluid passage section or the circumference of pipeline section so that filter residue It can enter under gravity in groove or first through hole, facilitate the discharge of filter residue.Valve increase filtering row in the application Slag function, impurity in pipe-line system can be excluded, prevent the blocked hidden danger of precision components;It is easy for fluorinfused nozzle Problem of Failure, using double fluorinfused nozzle structures, improve reliability.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each preferred scheme can be free Ground combination, superposition.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this area For technical staff, the utility model can have various changes and change.All institutes within spirit of the present utility model and principle Any modification, equivalent substitution and improvements of work etc., should be included within the scope of protection of the utility model.

Claims (16)

1. a kind of valve, including valve body and valve element, first fluid mouth, second fluid mouth are provided with the valve body and supplies the valve The valve pocket of core motion, it is characterised in that the valve pocket is non-perpendicular including what is be connected with the first fluid mouth and second fluid mouth Straight fluid channel section, the non-vertical fluid passage section is in non-vertical state when valve is in and opens working condition, described non- Be provided with filtration in vertical fluid passage section, be provided with the valve body of at least side of the filtration with it is described non- The groove or first through hole, the groove or first through hole of vertical fluid passage section connection are arranged on the non-vertical fluid passage Section under it is half side on.
2. valve according to claim 1, it is characterised in that the groove is set close to filtration, and the groove is close The distance of edge to the filtration of side is 5-10mm where filtration.
3. valve according to claim 1, it is characterised in that at least side includes the first side and the second side, first The groove is provided with the valve body of side and the second side.
4. valve according to claim 3, it is characterised in that on valve body and position that groove is corresponding be provided with it is described The second through hole that groove is connected.
5. the valve according to claim 1 or 4, it is characterised in that be provided with stream in the first through hole or the second through hole Body supplements core assembly.
6. valve according to claim 5, it is characterised in that the fluid supplement core assembly includes valve element pin and is arranged on The valve core housing of the valve element pin radial outside, step-like valve seat is provided with one end of the valve core housing, and the valve element pin is set It is equipped with the needle head that can coordinate with the valve seat.
7. valve according to claim 6, it is characterised in that the valve element pin includes the needle main body and described being connected with each other Needle head, the needle head are arranged on the respective end of the valve seat, the junction of the needle main body and needle head formed with Step surface, the step surface can be resisted against on the valve seat.
8. valve according to claim 6, it is characterised in that biasing member is provided between the valve element pin and valve core housing, The convex gear of the first biasing member that the radially inner side of oriented valve core housing extends is set on the inwall of the valve core housing, in the valve element pin Outer wall on the convex gear of the second biasing member that the radial outside of oriented valve element pin extends is set, the convex gear of the second biasing member is in axial direction On gear more convex than first biasing member farther away from the valve seat, the biasing member is arranged on the convex gear of first biasing member and the Between the convex gear of two biasing members.
9. according to the valve described in one of claim 1-4, it is characterised in that the filtration includes filter screen, the filter screen with The axis of the non-vertical fluid passage section is vertically arranged;Or
The filter screen is vertically arranged.
10. valve according to claim 9, it is characterised in that corresponding with the filter screen on the inwall of the valve pocket Position is provided with filter screen stopper slot, and the edge of the filter screen is inserted in the filter screen stopper slot.
11. according to the valve described in one of claim 1-4, it is characterised in that described non-when valve is in the operating position opened Vertical fluid passage section is in horizontality.
12. according to the valve described in one of claim 1-4, it is characterised in that be provided with fluid at the first fluid mouth and go out Pipe, the position being connected on the valve body with fluid outlet pipe is provided with outlet pipe limited step.
13. a kind of air-conditioning system, it is characterised in that be provided with the pipeline of air-conditioning system described in claim any one of 1-12 Valve.
14. a kind of pipe-line system filters slagging structure, the pipe-line system is provided with non-vertical pipeline section, it is characterised in that in institute State in the pipeline inner chamber of non-vertical pipeline section and be provided with filtration, set on the pipeline inner wall of at least side of the filtration The groove connected with the pipeline inner chamber or first through hole are equipped with, the groove or first through hole are arranged on the non-vertical pipeline section Under circumference it is half side on.
15. pipe-line system according to claim 14 filters slagging structure, it is characterised in that in the non-vertical pipeline section On tube wall and position that groove is corresponding is provided with the second through hole being connected with the groove.
16. the pipe-line system filtering slagging structure according to claims 14 or 15, it is characterised in that the non-vertical pipeline section For horizontal pipeline section.
CN201720853192.XU 2017-07-14 2017-07-14 Valve, air-conditioning system and pipe-line system filtering slagging structure Active CN206973159U (en)

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Application Number Priority Date Filing Date Title
CN201720853192.XU CN206973159U (en) 2017-07-14 2017-07-14 Valve, air-conditioning system and pipe-line system filtering slagging structure

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Application Number Priority Date Filing Date Title
CN201720853192.XU CN206973159U (en) 2017-07-14 2017-07-14 Valve, air-conditioning system and pipe-line system filtering slagging structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107246530A (en) * 2017-07-14 2017-10-13 珠海格力电器股份有限公司 Valve, air-conditioning system and pipe-line system filtering slagging structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107246530A (en) * 2017-07-14 2017-10-13 珠海格力电器股份有限公司 Valve, air-conditioning system and pipe-line system filtering slagging structure

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