CN106969559A - A kind of simple general use noise abatement heating power expansion valve - Google Patents
A kind of simple general use noise abatement heating power expansion valve Download PDFInfo
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- CN106969559A CN106969559A CN201710354884.4A CN201710354884A CN106969559A CN 106969559 A CN106969559 A CN 106969559A CN 201710354884 A CN201710354884 A CN 201710354884A CN 106969559 A CN106969559 A CN 106969559A
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- valve element
- hole
- steel ball
- referred
- push rod
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Classifications
-
- 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
- F25B41/31—Expansion valves
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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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
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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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
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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
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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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
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a kind of simple general use noise abatement heating power expansion valve, including valve body (1), unit head (2), push rod (3), steel ball valve element (4), valve element bracket (5), damping folder (6), spring (7), set screw (8), O-ring (9).The valve body that the present invention is used is provided with inlet, liquid outlet, spool bore, connecting hole, jogger hole and valve port；Unit head is provided with top plate, and top plate is provided with fore-set；Unit head is fixed on above valve body, and the fore-set of top plate is slidably disposed in connecting hole；Steel ball valve element is fixedly welded on the upper end of valve element bracket, valve element bracket, damping folder, spring, set screw are located in spool bore, from bottom to top, set screw lifts steel ball valve element through spring, damping folder, valve element bracket, and push rod is slidably disposed in jogger hole, and steel ball valve element is plugged at valve port, the lower end of push rod and the upper-end contact of steel ball valve element, the upper end of push rod and the technical scheme of the lower end in contact of fore-set, make noise abatement heating power expansion valve, reached simplified structure, have reduced cost, the purpose of highly versatile.
Description
Technical field
The present invention relates to a kind of heating power expansion valve, specifically refer to be used for automotive air-conditioning system, automatically adjust refrigerant flow
A kind of simple general use noise abatement heating power expansion valve.
Background technology
The abnormal vibrations noise of air conditioning system for vehicle, annoyings whole air-conditioning circle always, is that current Customer Complaint is more
One of problem.Because automotive air-conditioning system is operated in the oscillator field of Automobile Complex, such as engine vibration, automobile shake field with
The Flow-rate adjustment response vibration of the heating power expansion valve of automotive air-conditioning system can form resonance, i.e., so-called resonance, resonance makes whole vapour
Violent synchronous vibration and noise occurs for the operation of car air-conditioning system.
Prior art carries out vibration damping de-noising using damping folder is installed additional, for example, a kind of Chinese patent, heating power of vibration damping de-noising is swollen
Swollen valve 201210191752.1, abbreviation vibration damping expansion valve, refering to Fig. 4；The vibration damping expansion valve mechanism is complicated, large-scale production efficiency
Low, integrated cost is high, using when, gaseous refrigerant need to cause poor universality, therefore, prior art by the vibration damping expansion valve
The problem of there is high complicated, cost, poor universality and deficiency.
The content of the invention
The problem of existing for above-mentioned prior art and deficiency, the present invention is using by valve body, unit head, push rod, steel ball valve
The device that core, valve element bracket, damping folder, spring, set screw and O-ring are constituted, wherein, valve body be provided with inlet, liquid outlet,
Spool bore, connecting hole, jogger hole and valve port；Unit head is provided with top plate, and top plate is provided with fore-set；Unit head is fixed on the upper of valve body
Face, the fore-set of top plate is slidably disposed in connecting hole；Steel ball valve element is fixedly welded on the upper end of valve element bracket, valve element bracket, damping
Folder, spring, set screw are located in spool bore, from bottom to top, and set screw lifts steel through spring, damping folder, valve element bracket
Pearl valve element, the push rod is slidably disposed in jogger hole, and the steel ball valve element is plugged at the valve port between jogger hole and spool bore,
The lower end of push rod and the upper-end contact of steel ball valve element, the upper end of push rod and the lower end in contact of the fore-set；
During work, the temperature change of automotive air-conditioning system refrigerant is converted into the flexible change of expanded film box body product by unit head
Change promotes steel ball valve element to make corresponding elevating movement through top plate, push rod, and system is adjusted by opening and closing and adjusting the aperture of valve port
Cryogen by inlet to liquid outlet flow；Opened and closed using the frictional damping of damping folder and spool bore hole wall come sluggish steel ball valve element
Adjust the response speed of valve port opening, the governing response frequency that staggers and automobile shake the peak phase of field frequencies range, it is to avoid thermal expansion
The Flow-rate adjustment response frequency of valve is coupled with the field frequencies range of shaking of automobile to be formed the technical scheme of resonance and subtracts there is provided a kind of simple general use
Make an uproar heating power expansion valve, it is intended to make noise abatement heating power expansion valve, reach simplified structure, reduce the wide purpose of cost, general context.
The object of the present invention is achieved like this：A kind of simple general use noise abatement heating power expansion valve, including valve body, unit head,
Push rod, steel ball valve element, valve element bracket, damping folder, spring, set screw, O-ring, wherein：Described valve body is threeway tubulose
Copper alloy texture part, the protrusion tubular body on valve body top is referred to as connecting seat, and the upper end center of the connecting seat is provided with up big and down small
Cylinder step-shaped hole, wherein, upper big stepped hole is referred to as connecting hole, and lower small stair hole is referred to as jogger hole；On on the right side of valve body
Tubular body of the portion provided with protrusion is referred to as drain pipe, and the right-hand member center of the drain pipe is provided with the circle that some internal diameters from right to left successively decrease
The cylinder step-shaped hole that shape hole is constituted is referred to as liquid outlet；The protrusion tubular body of valve body lower portion is referred to as feed tube, the feed tube
The cylinder step-shaped hole that lower end center is constituted provided with the circular port that some internal diameters from bottom to top successively decrease, wherein, lower big stepped hole claims
For inlet, upper small stair hole is referred to as spool bore；The left end of the liquid outlet in the middle part of the jogger hole with communicating, the push rod
The lower end in hole is communicated with the upper end of the spool bore, is provided with and is kissed with steel ball valve element at the opening's edge that the spool bore intersects with jogger hole
Close the valve port of the concave spherical coordinated；
Described unit head is to be changed temperature change by what expansion bellows, flexible sheet and the top plate of stainless steel were constituted
For the sensing and transducing element of volume telescopic variation, the inside of the expansion bellows closing filled with temperature sensitive pressure conversion fluid working substance,
Flange provided with cylinder below the top plate is referred to as at fore-set, the bottom post jamb of the fore-set being provided with O-ring；
Described push rod is the cylinder step rod component of stainless steel, and the bottom of push rod is less than middle and upper part for diameter
Small column step is referred to as thimble portion；
Described steel ball valve element is the steel ball of stainless steel；
Described valve element bracket is the cylinder step stainless steel texture part that top is provided with flange step；
What the circular top surface that described damping folder supports top by lower section by eight uniform suspension columns was constituted is in hollow
The thin-wall stainless steel texture part of truncated cone, the lateral surface for damping the suspension column bottom of folder is provided with outwardly spheric
Suspension column convex closure, the circular end face center of damping folder is provided with center hole；
Described spring is stainless steel cylindroid helical-coil compression spring；
Described set screw is the copper alloy texture part of annulus cylindricality, and the outer wall of set screw is provided with external screw thread, regulation
The bottom of screw inwall is hexagon, and the top of set screw inwall is circle；
Described O-ring is that shape is in annular, and section is circular hydrogenated nitrile-butadiene rubber matter sealing ring；
Steel ball valve element is fixedly welded on center above valve element bracket；The center hole of damping folder is enclosed on valve element bracket
Flange step below and with valve element bracket fix be welded to connect；Unit head is fixedly connected with the connecting seat of valve body, described
Fore-set is slidably disposed in connecting hole；From bottom to top, set screw lifts steel ball valve upwards through spring, damping folder, valve element bracket
Core is located in spool bore, and the push rod is slidably disposed in jogger hole, and the thimble portion is located at the jogger hole and the liquid outlet
The position communicated, the steel ball valve element is plugged at the valve port, the lower end in the thimble portion and the upper-end contact of steel ball valve element,
The upper end of push rod and the lower end in contact of the fore-set, damp the suspension column convex closure of folder and the top hole wall Elastic Sliding of spool bore
Contact；Set screw still makes the inlet be communicated with spool bore while spring is lifted.
Operation principle and beneficial effect
During work, the temperature change of automotive air-conditioning system refrigerant is converted into the flexible change of expanded film box body product by unit head
Change promotes steel ball valve element to make corresponding elevating movement through top plate, push rod, and system is adjusted by opening and closing and adjusting the aperture of valve port
Cryogen by inlet to liquid outlet flow；The present apparatus is by damping folder with the frictional damping of spool bore hole wall come sluggish steel ball valve
Core opens and closes the response speed of regulation valve port opening, and the governing response frequency that staggers and automobile shake the peak phase of field frequencies range, it is to avoid heat
The Flow-rate adjustment response frequency of power expansion valve couples to form resonance with the field frequencies range of shaking of automobile.
The present apparatus is simple in construction, and reliable operation, simple structure improves production efficiency, reduces integrated cost, using when,
Gaseous refrigerant flows in the pipeline of refrigeration system, without flowing through the present apparatus, thus enhance that the present apparatus is applicable it is general
Property, it is easy to standardized and popularized.
Above-mentioned, the present invention is using by valve body, unit head, push rod, steel ball valve element, valve element bracket, damping folder, spring, regulation
The device that screw and O-ring are constituted, wherein, valve body is provided with inlet, liquid outlet, spool bore, connecting hole, jogger hole and valve port；
Unit head is provided with top plate, and top plate is provided with fore-set；Unit head is fixed on above valve body, and the fore-set of top plate is slidably disposed in connecting hole
It is interior；Steel ball valve element is fixedly welded on the upper end of valve element bracket, and valve element bracket, damping folder, spring, set screw are located at spool bore
Interior, from bottom to top, set screw lifts steel ball valve element through spring, damping folder, valve element bracket, and the push rod is slidably disposed in push rod
In hole, the steel ball valve element is plugged at the valve port between jogger hole and spool bore, the lower end of push rod and the upper end of steel ball valve element
Contact, the upper end of push rod and the lower end in contact of the fore-set；During work, unit head becomes the temperature of automotive air-conditioning system refrigerant
The telescopic variation that change is converted into expanded film box body product promotes steel ball valve element to make corresponding elevating movement through top plate, push rod, passes through
The aperture of valve port is opened and closed and adjusts to adjust flow of the refrigerant by inlet to liquid outlet；Utilize damping folder and spool bore hole wall
Frictional damping carry out the response speed that sluggish steel ball valve element opens and closes regulation valve port opening, the governing response frequency that staggers and automobile shake field
The peak phase of frequency, it is to avoid the Flow-rate adjustment response frequency of heating power expansion valve couples to form resonance with the field frequencies range of shaking of automobile
Technical scheme, overcomes the problem of prior art has high complicated, cost, poor universality and not enough, one kind provided
Simple general use noise abatement heating power expansion valve, makes noise abatement heating power expansion valve, has reached simplified structure, has reduced cost, the mesh of highly versatile
's.
Brief description of the drawings
Fig. 1 is a kind of main view cross section structure diagram of simple general use noise abatement heating power expansion valve of the present invention；
Fig. 2 is a kind of cross section structure diagram of the valve body 1 of simple general use noise abatement heating power expansion valve of the present invention；
Fig. 3 is a kind of axonometric schematic diagram of the damping folder 6 of simple general use noise abatement heating power expansion valve of the present invention.
Fig. 4 is the structural representation of the vibration damping expansion valve of prior art
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the present invention, but should not be construed as to the present invention's
Any limitation.
In figure：Valve body 1, inlet 13, liquid outlet 14, spool bore 15, connecting hole 16, jogger hole 17, valve port 18, unit head
2nd, top plate 21, fore-set 211, push rod 3, steel ball valve element 4, valve element bracket 5, damping folder 6, spring 7, set screw 8, O-ring 9.
Embodiment
Refering to Fig. 1~Fig. 3, a kind of simple general use noise abatement heating power expansion valve of the invention, including valve body 1, unit head 2, top
Bar 3, steel ball valve element 4, valve element bracket 5, damping folder 6, spring 7, set screw 8, O-ring 9, wherein：Described valve body 1 is threeway
The copper alloy texture part of tubulose, the protrusion tubular body on the top of valve body 1 is referred to as connecting seat, and the upper end center of the connecting seat is provided with upper
Small cylinder step-shaped hole under big, wherein, upper big stepped hole is referred to as connecting hole 16, and lower small stair hole is referred to as jogger hole 17；Valve body 1
Tubular body of the middle and upper part on right side provided with protrusion is referred to as drain pipe, and the right-hand member center of the drain pipe is provided with some interior from right to left
The cylinder step-shaped hole that the circular port that footpath is successively decreased is constituted is referred to as liquid outlet 14；The protrusion tubular body of the bottom of valve body 1 is referred to as feed tube,
The cylinder step-shaped hole that the lower end center of the feed tube is constituted provided with the circular port that some internal diameters from bottom to top successively decrease, wherein,
Big stepped hole is referred to as inlet 13 down, and upper small stair hole is referred to as spool bore 15；The left end of the liquid outlet 14 and the jogger hole
17 middle part is communicated, and the lower end of the jogger hole 17 is communicated with the upper end of the spool bore 15, the spool bore 15 and jogger hole
The valve port 18 for the concave spherical coordinated that coincide with steel ball valve element 4 is provided with 17 intersecting opening's edges；
Described unit head 2 be by expansion bellows, flexible sheet and the top plate 21 of stainless steel constitute by temperature change
The sensing and transducing element of volume telescopic variation is converted to, the inside of the expansion bellows closing is filled with temperature sensitive pressure conversion fluid work
Flange provided with cylinder below matter, the top plate 21 is referred to as at fore-set 211, the bottom post jamb of the fore-set 211 provided with O-shaped
Circle 9；
Described push rod 3 is the cylinder step rod component of stainless steel, and the bottom of push rod 3 is less than middle and upper part for diameter
Small column step be referred to as thimble portion；
Described steel ball valve element 4 is the steel ball of stainless steel；
Described valve element bracket 5 is the cylinder step stainless steel texture part that top is provided with flange step；
What the circular top surface that described damping folder 6 supports top by lower section by eight uniform suspension columns was constituted is in hollow
The thin-wall stainless steel texture part of truncated cone, the lateral surface of the suspension column bottom of damping folder 6 is provided with outwardly spheric
Suspension column convex closure, damping folder 6 the circular end face center be provided with center hole；
Described spring 7 is stainless steel cylindroid helical-coil compression spring；
Described set screw 8 is the copper alloy texture part of annulus cylindricality, and the outer wall of set screw 8 is provided with external screw thread, adjusted
The bottom for saving the inwall of screw 8 is hexagon, and the top of the inwall of set screw 8 is circle；
Described O-ring 9 is that shape is in annular, and section is circular hydrogenated nitrile-butadiene rubber matter sealing ring；
Steel ball valve element 4 is fixedly welded on center above valve element bracket 5；The center hole of damping folder 6 is enclosed on valve element
Fix below the flange step of bracket 5 and with valve element bracket 5 and be welded to connect；The connecting seat of unit head 2 and valve body 1, which is fixed, to be connected
Connect, the fore-set 211 is slidably disposed in connecting hole 16；From bottom to top, set screw 8 is through spring 7, damping folder 6, valve element bracket 5
Steel ball valve element 4 is lifted upwards in spool bore 15, and the push rod 3 is slidably disposed in jogger hole 17, and the thimble portion is located at
The position that the jogger hole 17 is communicated with the liquid outlet 14, the steel ball valve element 4 is plugged at the valve port 18, the thimble
The lower end in portion and the upper-end contact of steel ball valve element 4, the upper end of push rod 3 and the lower end in contact of the fore-set 211, the institute of damping folder 6
Suspension column convex closure is stated to contact with the top hole wall Elastic Sliding of spool bore 15；Set screw 8 still makes institute while spring 7 are lifted
Inlet 13 is stated to communicate with spool bore 15.
Operation principle and beneficial effect
During work, the temperature change of automotive air-conditioning system refrigerant is converted into the flexible change of expanded film box body product by unit head
Change promote steel ball valve element 4 to make corresponding elevating movement through top plate 21, push rod 3, by open and close and adjust valve port 18 aperture come
Adjust flow of the refrigerant by inlet 13 to liquid outlet 14；Friction of the present apparatus by damping folder 6 and the hole wall of spool bore 15 hinders
Buddhist nun carrys out the response speed that sluggish steel ball valve element 4 opens and closes the regulation aperture of valve port 18, and the governing response frequency that staggers and automobile shake field frequencies range
Peak phase, it is to avoid the Flow-rate adjustment response frequency of heating power expansion valve couples to form resonance with the field frequencies range of shaking of automobile.
The present apparatus is simple in construction, and reliable operation, simple structure improves production efficiency, reduces integrated cost, using when,
Gaseous refrigerant flows in the pipeline of refrigeration system, without flowing through the present apparatus, thus enhance that the present apparatus is applicable it is general
Property, it is easy to standardized and popularized.
Claims (1)
1. a kind of simple general use noise abatement heating power expansion valve, including valve body (1), unit head (2), push rod (3), steel ball valve element (4), valve
Core bracket (5), damping folder (6), spring (7), set screw (8), O-ring (9), it is characterised in that：Described valve body (1) is three
The copper alloy texture part of siphunculus shape, the protrusion tubular body on valve body (1) top is referred to as connecting seat, and the upper end center of the connecting seat is set
There is up big and down small cylinder step-shaped hole, wherein, upper big stepped hole is referred to as connecting hole (16), and lower small stair hole is referred to as jogger hole
(17)；Tubular body of the middle and upper part provided with protrusion on the right side of valve body (1) is referred to as drain pipe, if the right-hand member center of the drain pipe is provided with
The cylinder step-shaped hole that the dry circular port that internal diameter successively decreases from right to left is constituted is referred to as liquid outlet (14)；The protrusion of valve body (1) bottom
Tubular body is referred to as feed tube, and the lower end center of the feed tube is provided with the circle for the circular port composition that some internal diameters from bottom to top successively decrease
Post step-shaped hole, wherein, lower big stepped hole is referred to as inlet (13), and upper small stair hole is referred to as spool bore (15)；The liquid outlet
(14) left end in the middle part of the jogger hole (17) with communicating, and the lower end of the jogger hole (17) is upper with the spool bore (15)
End is communicated, and the recessed ball for coincideing and coordinating with steel ball valve element (4) is provided with the opening's edge that the spool bore (15) is intersected with jogger hole (17)
The valve port (18) of face shape；
Described unit head (2) be by the expansion bellows of stainless steel, flexible sheet and top plate (21) constitute by temperature change
The sensing and transducing element of volume telescopic variation is converted to, the inside of the expansion bellows closing is filled with temperature sensitive pressure conversion fluid work
Flange provided with cylinder below matter, the top plate (21) is referred to as at fore-set (211), the bottom post jamb of the fore-set (211)
Provided with O-ring (9)；
Described push rod (3) is the cylinder step rod component of stainless steel, and the bottom of push rod (3) is less than middle and upper part for diameter
Small column step be referred to as thimble portion；
Described steel ball valve element (4) is the steel ball of stainless steel；
Described valve element bracket (5) is the cylinder step stainless steel texture part that top is provided with flange step；
What the circular top surface that described damping folder (6) supports top by lower section by eight uniform suspension columns was constituted is in open circles
The thin-wall stainless steel texture part of taper type, the lateral surface of the suspension column bottom of damping folder (6) is provided with outwardly spheric
Suspension column convex closure, damping folder (6) the circular end face center be provided with center hole；
Described spring (7) is stainless steel cylindroid helical-coil compression spring；
Described set screw (8) is the copper alloy texture part of annulus cylindricality, and the outer wall of set screw (8) is provided with external screw thread, adjusted
The bottom for saving screw (8) inwall is hexagon, and the top of set screw (8) inwall is circle；
Described O-ring (9) is that shape is in annular, and section is circular hydrogenated nitrile-butadiene rubber matter sealing ring；
Steel ball valve element (4) is fixedly welded on center above valve element bracket (5)；The center hole of damping folder (6) is enclosed on valve
It is welded to connect below the flange step of core bracket (5) and with valve element bracket (5) fixation；The company of unit head (2) and valve body (1)
Joint chair is fixedly connected, and the fore-set (211) is slidably disposed in connecting hole (16)；From bottom to top, set screw (8) through spring (7),
Damping folder (6), valve element bracket (5) lift steel ball valve element 4 in spool bore (15) upwards, and the push rod (3) is slidably disposed in
In jogger hole (17), the thimble portion is located at the position that the jogger hole (17) is communicated with the liquid outlet (14), the steel ball
Valve element (4) is plugged in the valve port (18) place, the lower end in the thimble portion and the upper-end contact of steel ball valve element (4), push rod (3)
Upper end and the lower end in contact of the fore-set (211), the suspension column convex closure of damping folder (6) and the top hole wall bullet of spool bore (15)
Property sliding contact；Set screw (8) still makes the inlet (13) and spool bore (15) phase while spring (7) are lifted
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354884.4A CN106969559A (en) | 2017-05-03 | 2017-05-03 | A kind of simple general use noise abatement heating power expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354884.4A CN106969559A (en) | 2017-05-03 | 2017-05-03 | A kind of simple general use noise abatement heating power expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106969559A true CN106969559A (en) | 2017-07-21 |
Family
ID=59325956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710354884.4A Withdrawn CN106969559A (en) | 2017-05-03 | 2017-05-03 | A kind of simple general use noise abatement heating power expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106969559A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759194A (en) * | 2018-07-03 | 2018-11-06 | 浙江恒利五金科技有限公司 | A kind of vibration and noise reducing expansion valve of automobile air conditioner structure |
| CN108954992A (en) * | 2018-09-09 | 2018-12-07 | 宁波松鹰汽车部件有限公司 | A kind of expansion valve damping folder and its processing method |
| CN110397758A (en) * | 2018-04-24 | 2019-11-01 | 盾安汽车热管理科技有限公司 | A kind of expansion valve and Gas-supplying enthalpy-increasing system |
-
2017
- 2017-05-03 CN CN201710354884.4A patent/CN106969559A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397758A (en) * | 2018-04-24 | 2019-11-01 | 盾安汽车热管理科技有限公司 | A kind of expansion valve and Gas-supplying enthalpy-increasing system |
| CN110397758B (en) * | 2018-04-24 | 2022-03-08 | 盾安汽车热管理科技有限公司 | Expansion valve and air-supplying enthalpy-increasing system |
| CN108759194A (en) * | 2018-07-03 | 2018-11-06 | 浙江恒利五金科技有限公司 | A kind of vibration and noise reducing expansion valve of automobile air conditioner structure |
| CN108954992A (en) * | 2018-09-09 | 2018-12-07 | 宁波松鹰汽车部件有限公司 | A kind of expansion valve damping folder and its processing method |
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Application publication date: 20170721 |