CN209622183U - A kind of expansion valve with diverter function - Google Patents
A kind of expansion valve with diverter function Download PDFInfo
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- CN209622183U CN209622183U CN201920035535.0U CN201920035535U CN209622183U CN 209622183 U CN209622183 U CN 209622183U CN 201920035535 U CN201920035535 U CN 201920035535U CN 209622183 U CN209622183 U CN 209622183U
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- expansion valve
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- isocon
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Abstract
The utility model discloses a kind of expansion valves with diverter function, are related to expansion valve technical field.The expansion valve with diverter function, including valve body, pressure regulation slot, diaphragm, buffer spring, pressure sensor, spring assembly, inlet, filter mechanism, fluid flowmeter, alarm, liquid outlet, isocon and part flow arrangement, the pressure regulation slot is opened in the inside of top end of the valve body, and the bottom at the diaphragm both ends is overlapped with the both ends of pressure regulation slot inner chamber bottom surface respectively.The expansion valve with diverter function, it can be convenient the filtering completed to refrigerant first, and staff is facilitated to carry out the impurity that cleaning screen pipe filters out, valve body is allowed in this way is not likely to produce blocking, but also the pressure that diaphragm is generated by balance pipe high temperature can be detected in time, cylinder is thus facilitated to turn on or off the channel of isocon, so that valve body has the function of facilitating shunting, which adds the working efficiencies of valve body conveying refrigerant.
Description
Technical field
The utility model relates to expansion valve technical field, specially a kind of expansion valve with diverter function.
Background technique
Expansion valve is an important component in refrigeration system, is generally mounted between liquid storage cylinder and evaporator.Expansion valve
The liquid refrigerant of medium temperature high pressure is set to become the moist steam of low-temp low-pressure by its throttling, then refrigerant absorbs in evaporator
Heat reaches refrigeration effect, and expansion valve is changed by the degree of superheat of evaporator end come control valve flow, prevents evaporation
The underutilization of device area and engine knock phenomenon.
Currently, expansion valve can according to the actual conditions of refrigeration system carry out refrigerant flow size adjustment, but by
It is certain in the rate of discharge of expansion valve in the prior art, it, can be to zero inside expansion valve when the flow of refrigerant increases suddenly
Part causes certain impact, will cause falling and damaging for inner body when serious, some expansion valve lacks to refrigeration
The filtering of agent, the impurity in such refrigerant will be accumulated in for a long time inside the pipeline of valve body, so that easily causing valve body
Blocking in pipeline, this reduces the working efficiencies of expansion valve conveying refrigerating fluid.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of expansion valve with diverter function, this has point
Stream function expansion valve have facilitate shuntings, the part for protecting valve inner, be not easy to plug, easy cleaning impurity and conveying make
The high-efficient advantage of cryogen.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of with diverter function
Expansion valve, including valve body, pressure regulation slot, diaphragm, buffer spring, pressure sensor, spring assembly, inlet, filter mechanism, liquid
Flowmeter, alarm, liquid outlet, isocon and part flow arrangement, the pressure regulation slot are opened in the inside of top end of the valve body, the diaphragm
The bottom at both ends is overlapped with the both ends of pressure regulation slot inner chamber bottom surface respectively, and the top of two buffer springs is respectively and in pressure regulation slot
The both ends of chamber top surface are fixedly connected, and the top surface of two pressure sensors is fixed with the bottom end of two buffer springs respectively to be connected
It connects, the spring assembly is fixedly installed in the top of body cavity, and the inlet is set to the top of valve body left side, described
Filter mechanism is fixedly installed in the left end of inlet, and the top of the fluid flowmeter is fixedly installed in a left side for inlet top surface
End, the bottom end of the alarm are fixedly installed in the right end of inlet top surface, and the liquid outlet is set to the bottom of valve body, described
The left end of isocon is fixedly installed in the top of liquid outlet right side, the top of the part flow arrangement and the left end of isocon top surface
It is fixedly connected.
Preferably, the filter mechanism includes screen pipe and filter screen, and the right end of the screen pipe is set in an inlet left side
The top of the outside at end, the filter screen is fixedly connected with the top and bottom of filtering tube cavity respectively with low side.
Preferably, the part flow arrangement includes storage block, accommodating groove, cylinder, piston rod, sealing plate, seal groove and sealing
The bottom end of pad, the storage block is embedded in the left end of isocon top surface, and the accommodating groove is opened in the bottom surface of storage block, the gas
The bottom end of cylinder is fixedly connected with the top surface of storage block, and the top of the piston rod through the top surface for storing block and is installed on cylinder
Bottom end, the top of the sealing plate are fixedly connected with the bottom end of piston rod, and the seal groove is opened in isocon inner chamber bottom surface
Left end, the opposite one side of two gaskets are Nian Jie with the two sides of sealing plate respectively.
Preferably, the inner wall of the screen pipe right end is connect with the outer surface thread of inlet left end.
Preferably, made of the spring assembly is connected with each other as fixed link, choked flow ball, reset spring and support frame.
Preferably, the inner cavity grafting of the bottom end of the sealing plate and seal groove.
The utility model provides a kind of expansion valve with diverter function.Have it is following the utility model has the advantages that
(1), the expansion valve with diverter function, by the buffer spring of setting, buffer spring can be convenient to give and press
Force snesor electric signal, and sensor will not be caused stress because of the extruding of diaphragm and damaged, meanwhile, buffer spring is also fitted
The movement of spring assembly has been answered, thus spring assembly can have been promoted more convenient to use.
(2), the expansion valve with diverter function can be convenient completion to refrigeration by the improvement to expansion valve first
The filtering of agent, and have the function of automatic alarm, so that staff can be reminded to carry out cleaning screen pipe filtering in time
The impurity fallen allows for valve body in this way and is not likely to produce blocking, but also can detect what diaphragm was generated by balance pipe high temperature in time
Pressure thus facilitates cylinder to turn on or off the channel of isocon, so that valve body has the function of facilitating shunting,
Which adds the working efficiencies of valve body conveying refrigerant.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the front view of the utility model structure；
Fig. 3 is the utility model part flow arrangement and the front section view for shunting pipe connecting structure.
In figure: 1 valve body, 2 pressure regulation slots, 3 diaphragms, 4 buffer springs, 5 pressure sensors, 6 spring assemblies, 7 inlets, 8 mistakes
Filter structure, 801 screen pipes, 802 filter screens, 9 fluid flowmeters, 10 alarms, 11 liquid outlets, 12 isocons, 13 part flow arrangements,
1301 storage blocks, 1302 accommodating grooves, 1303 cylinders, 1304 piston rods, 1305 sealing plates, 1306 seal grooves, 1307 gaskets.
Specific embodiment
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of expansion valve with diverter function, including
Valve body 1, pressure regulation slot 2, diaphragm 3, buffer spring 4, pressure sensor 5, spring assembly 6, inlet 7, filter mechanism 8, liquid flow
Meter 9, alarm 10, liquid outlet 11, isocon 12 and part flow arrangement 13, pressure regulation slot 2 are opened in the inside on 1 top of valve body, film
The bottom at 3 both ends of piece respectively with the both ends of 2 inner chamber bottom surface of pressure regulation slot overlap, the top of two buffer springs 4 respectively with pressure regulation slot 2
The both ends of inner cavity top surface are fixedly connected, and the top surface of two pressure sensors 5 is fixed with the bottom end of two buffer springs 4 respectively to be connected
It connects, spring assembly 6 is fixedly installed in the top of 1 inner cavity of valve body, and spring assembly 6 is by fixed link, choked flow ball, reset spring and support
Made of frame is connected with each other, it is fixedly connected at the top and the center of 3 bottom surface of diaphragm of spring assembly 6, inlet 7 is set to valve body
The top of 1 left side, filter mechanism 8 are fixedly installed in the left end of inlet 7, the top of fluid flowmeter 9 be fixedly installed in into
The left end of 7 top surface of liquid mouth, the bottom end of alarm 10 are fixedly installed in the right end of 7 top surface of inlet, and liquid outlet 11 is set to valve body 1
Bottom, the left end of isocon 12 is fixedly installed in the top of 11 right side of liquid outlet, the top of part flow arrangement 13 and isocon
The left end of 12 top surfaces is fixedly connected.
Filter mechanism 8 includes screen pipe 801 and filter screen 802, and the right end of screen pipe 801 is set in 7 left end of inlet
The inner wall of outside, 801 right end of screen pipe is connect with the outer surface thread of 7 left end of inlet, the top of filter screen 802 and low side point
It is not fixedly connected with the top and bottom of 801 inner cavity of screen pipe.
Part flow arrangement 13 includes storage block 1301, accommodating groove 1302, cylinder 1303, piston rod 1304, sealing plate 1305, close
The bottom end of sealing groove 1306 and gasket 1307, storage block 1301 is embedded in the left end of 12 top surface of isocon, and accommodating groove 1302 opens up
In the bottom surface of storage block 1301, the bottom end of cylinder 1303 is fixedly connected with the top surface of storage block 1301, the top of piston rod 1304
Through storage block 1301 top surface and be installed on the bottom end of cylinder 1303, the top of sealing plate 1305 and the bottom end of piston rod 1304
It is fixedly connected, seal groove 1306 is opened in the left end of 12 inner chamber bottom surface of isocon, the bottom end of sealing plate 1305 and seal groove 1306
Inner cavity grafting, the opposite one side of two gaskets 1307 is Nian Jie with the two sides of sealing plate 1305 respectively.
In use, the refrigerant of medium temperature high pressure is given by screen pipe 801 first the inside for being transported to inlet 7, then
The inner cavity for being transferred to valve body 1 is given by inlet 7, refrigerant is exported eventually by liquid outlet 11, when external temperature sensing package temperature
When degree slowly increases and reaches saturation, temperature sensing package will pass to pressure balance pipe, then again by balance pipe pressure transmission
Onto diaphragm 3, at this moment diaphragm 3 will be moved down slowly, and diaphragm 3, which pulls down, will promote buffer spring 4 to pressure sensing
Device 5 causes stress, and when pressure sensor 5 detects that pressure reaches setting value, external controller will control cylinder 1303
Starting, the starting of cylinder 1303 just will drive piston rod 1304 and sealing plate 1305 while moving upwards, when sealing plate 1305 is complete
When taking in the inside of accommodating groove 1302, this makes it possible to be in an open state the pipeline of isocon 12, so that
Liquid outlet 11 and isocon 12 complete the conveying of refrigerant, when the pressure on diaphragm 3 slowly reduces, pressure sensor 5 jointly
The pressure detected also can slowly become smaller, will be electric signal transmission when the reduced pressure of pressure sensor 5 reaches setting value
To external controller, at this moment controller will control cylinder 1303 and be again started up, and the starting of cylinder 1303 just will drive sealing plate
1305 move downward, and when the bottom end of sealing plate 1305 is completely inserted into the inner cavity of seal groove 1306, allow for isocon in this way
12 pipeline is in off state, and can thus reduce impact force when refrigerant conveying, then the liquid when the detection of fluid flowmeter 9
When body flow becomes smaller and reaches setting value, alarm 10 will automatic alarm, can thus remind staff's handle in time
Screen pipe 801 is dismantled, and the impurity that 801 self-filtering of screen pipe falls to cleaning up, so as to facilitate screen pipe 801
It can continue to convey refrigerant.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of expansion valve with diverter function, including valve body (1), pressure regulation slot (2), diaphragm (3), buffer spring (4), pressure
Sensor (5), spring assembly (6), inlet (7), filter mechanism (8), fluid flowmeter (9), alarm (10), liquid outlet
(11), isocon (12) and part flow arrangement (13), it is characterised in that: the pressure regulation slot (2) is opened in the interior of valve body (1) top
Portion, the bottom at diaphragm (3) both ends are overlapped with the both ends of pressure regulation slot (2) inner chamber bottom surface respectively, two buffer springs (4)
Top be fixedly connected respectively with the both ends of pressure regulation slot (2) inner cavity top surface, the top surface of two pressure sensors (5) respectively with
The bottom end of two buffer springs (4) is fixedly connected, and the spring assembly (6) is fixedly installed in the top of valve body (1) inner cavity, described
Inlet (7) is set to the top of valve body (1) left side, and the filter mechanism (8) is fixedly installed in the left end of inlet (7),
The top of the fluid flowmeter (9) is fixedly installed in the left end of inlet (7) top surface, and the bottom end of the alarm (10) is fixed
It is installed on the right end of inlet (7) top surface, the liquid outlet (11) is set to the bottom of valve body (1), the isocon (12)
Left end is fixedly installed in the top of liquid outlet (11) right side, top and isocon (12) top surface of the part flow arrangement (13)
Left end is fixedly connected.
2. a kind of expansion valve with diverter function according to claim 1, it is characterised in that: the filter mechanism (8)
Including screen pipe (801) and filter screen (802), the right end of the screen pipe (801) is set in the outside of inlet (7) left end,
The top of the filter screen (802) is fixedly connected with the top and bottom of screen pipe (801) inner cavity respectively with low side.
3. a kind of expansion valve with diverter function according to claim 1, it is characterised in that: the part flow arrangement (13)
Including storing block (1301), accommodating groove (1302), cylinder (1303), piston rod (1304), sealing plate (1305), seal groove
(1306) and gasket (1307), the bottom end of storage block (1301) are embedded in the left end of isocon (12) top surface, the receipts
Slot (1302) of receiving is opened in the bottom surface of storage block (1301), and the bottom end of the cylinder (1303) and the top surface of storage block (1301) are solid
The top of fixed connection, the piston rod (1304) runs through the top surface of storage block (1301) and is installed on the bottom end of cylinder (1303),
The top of the sealing plate (1305) is fixedly connected with the bottom end of piston rod (1304), and the seal groove (1306) is opened in point
The left end of flow tube (12) inner chamber bottom surface, the opposite one side of two gaskets (1307) two sides with sealing plate (1305) respectively
Face bonding.
4. a kind of expansion valve with diverter function according to claim 2, it is characterised in that: the screen pipe (801)
The inner wall of right end is connect with the outer surface thread of inlet (7) left end.
5. a kind of expansion valve with diverter function according to claim 1, it is characterised in that: the spring assembly (6)
Made of being connected with each other as fixed link, choked flow ball, reset spring and support frame.
6. a kind of expansion valve with diverter function according to claim 3, it is characterised in that: the sealing plate (1305)
Bottom end and seal groove (1306) inner cavity grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035535.0U CN209622183U (en) | 2019-01-09 | 2019-01-09 | A kind of expansion valve with diverter function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920035535.0U CN209622183U (en) | 2019-01-09 | 2019-01-09 | A kind of expansion valve with diverter function |
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| Publication Number | Publication Date |
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| CN209622183U true CN209622183U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920035535.0U Active CN209622183U (en) | 2019-01-09 | 2019-01-09 | A kind of expansion valve with diverter function |
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| Country | Link |
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| CN (1) | CN209622183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586967A (en) * | 2021-08-20 | 2021-11-02 | 江苏诚扬新材料科技有限公司 | Overpressure warning type plastic pipe for water delivery |
| CN114046294A (en) * | 2021-10-29 | 2022-02-15 | 盐城工学院 | Oil residue cleaning device for mine car brake |
| CN116007277A (en) * | 2023-03-24 | 2023-04-25 | 四川蜀旺新能源股份有限公司 | Adjusting device based on cogeneration system |
-
2019
- 2019-01-09 CN CN201920035535.0U patent/CN209622183U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586967A (en) * | 2021-08-20 | 2021-11-02 | 江苏诚扬新材料科技有限公司 | Overpressure warning type plastic pipe for water delivery |
| CN114046294A (en) * | 2021-10-29 | 2022-02-15 | 盐城工学院 | Oil residue cleaning device for mine car brake |
| CN116007277A (en) * | 2023-03-24 | 2023-04-25 | 四川蜀旺新能源股份有限公司 | Adjusting device based on cogeneration system |
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