CN109186144A - A kind of refrigeration equipment expansion valve - Google Patents
A kind of refrigeration equipment expansion valve Download PDFInfo
- Publication number
- CN109186144A CN109186144A CN201811020227.7A CN201811020227A CN109186144A CN 109186144 A CN109186144 A CN 109186144A CN 201811020227 A CN201811020227 A CN 201811020227A CN 109186144 A CN109186144 A CN 109186144A
- Authority
- CN
- China
- Prior art keywords
- refrigeration equipment
- expansion valve
- inlet pipe
- equipment expansion
- valve rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention relates to the technical fields of refrigeration equipment auxiliary accessories, especially a kind of refrigeration equipment expansion valve, it is with horizontally disposed valve seat, refrigerant outlet is arranged in described valve seat one end, the lower end of the valve seat is fixedly connected with refrigerant inlet pipe, and the refrigerant inlet pipe and refrigerant outlet connectivity part open up throttle orifice；Regulating mechanism is set at the upper end face refrigerant inlet pipe of the valve seat, and the regulating mechanism includes stator winding, rotor set and valve rod assembly, and in the stator windings, the valve rod assembly is plugged in rotor set for the embedded setting of rotor set.The refrigeration equipment expansion valve, structure is simple, can automatically adjust super heat value, and adjustable range is wide, and degree of regulation is high, and free handling speed is fast, facilitates the replacement and adjusting of people, convenient for being widely popularized and using.
Description
Technical field
The present invention relates to the technical field of refrigeration equipment auxiliary accessories, especially a kind of refrigeration equipment expansion valve.
Background technique
With the continuous development of society, refrigeration industry has obtained quick development.It is swollen in the assembling process of refrigeration equipment
Swollen valve is wherein important component part.Traditional expansion valve can use heating power expansion valve, its working principle is that being steamed by impression
The size of device outlet superheat refrigerant vapor degree is sent out, it is former in control to maintain the constant degree of superheat to adjust the flow of refrigerant
Belong to proportional controller in reason.Although heating power expansion valve can automatically adjust the flow of refrigerant, also there is defect, such as
Long to the delay time of degree of superheat response, especially volume is delayed；Its adjustable range is very limited；Degree of regulation is lower；To refrigeration
The normal operation of industry brings big inconvenience.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of system to solve the problems, such as above-mentioned background technique
Cool equipment expansion valve, structure is simple, can automatically adjust super heat value, and adjustable range is wide, and degree of regulation is high, freely loads and unloads speed
Degree is fast, facilitates the replacement and adjusting of people, convenient for being widely popularized and using.
The technical solution adopted by the present invention to solve the technical problems is: a kind of refrigeration equipment expansion valve, has level
Refrigerant outlet is arranged in the valve seat of setting, described valve seat one end, and the lower end of the valve seat is fixedly connected with refrigerant inlet pipe,
The refrigerant inlet pipe and refrigerant outlet connectivity part opens up throttle orifice；The upper end face refrigerant inlet of the valve seat
Regulating mechanism is set at pipe, and the regulating mechanism includes that stator winding, rotor set and valve rod assembly, the rotor cover insertion
Formula is arranged in the stator windings, and the valve rod assembly is plugged in rotor set.
It further limits, in above-mentioned technical proposal, the valve rod assembly includes locating shaft, valve rod and needle；It is described
Locating shaft it is fixed be plugged in rotor set, the valve rod is plugged in locating shaft, and the valve rod passes through throttle orifice rear end
Needle is arranged in portion；The adjusting of refrigerant flow on throttle orifice can be carried out by the up and down motion of valve rod assembly.
It further limits, in above-mentioned technical proposal, the aperture of the throttle orifice is less than the caliber of refrigerant inlet pipe；
Such design is the control and regulation for the ease of realizing refrigerant flow by valve rod.
It further limits, in above-mentioned technical proposal, the two sides on the valve rod positioned at locating shaft are respectively provided with thread bush；
Such design is the smooth motion in order to guarantee valve rod.
It further limits, in above-mentioned technical proposal, removable cover is also fixedly installed in the end of the needle；It is such to set
Meter is to realize the precise and stable adjusting to flow.
It further limits, in above-mentioned technical proposal, if peripherally disposed on the refrigerant inlet inside pipe wall
Dry mounting ear connects removable cover by tension spring on the mounting ear.
Further limit, in above-mentioned technical proposal, the peripherally disposed several fixations in the lower end of the removable cover
Hole, described tension spring one end are fixed in the fixation hole on removable cover.
It further limits, in above-mentioned technical proposal, the valve seat is connected through a screw thread with refrigerant inlet pipe；In this way
Design be to carry out expansion valve for convenience freely loading and unloading.
The beneficial effects of the present invention are: a kind of refrigeration equipment expansion valve proposed by the present invention, structure is simple, can be automatic
Super heat value is adjusted, adjustable range is wide, and degree of regulation is high, and free handling speed is fast, facilitates the replacement and adjusting of people, convenient for wide
General popularization and use.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention.
Label in attached drawing are as follows: 1, valve seat, 2, refrigerant outlet, 3, refrigerant inlet pipe, 4, throttle orifice, 5, stator around
Group, 6, rotor set, 7, locating shaft, 8, valve rod, 9, needle, 10, thread bush, 11, removable cover, 12, mounting ear, 13, tension spring, 14,
Fixation hole.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the present invention, it is to be understood that, term " side ", " other side ", " two sides ", " middle part ", " interior
The orientation or positional relationship of the instructions such as side ", " upper surface ", " lower end surface ", " top ", " lower part ", " top " is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
It is connected directly, it can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1 be a kind of refrigeration equipment expansion valve, have horizontally disposed valve seat 1,1 one end of valve seat setting system
Cryogen outlet 2, the lower end of valve seat 1 is fixedly connected with refrigerant inlet pipe 3, and refrigerant inlet pipe 3 is opened with 2 connectivity part of refrigerant outlet
If throttle orifice 4；Regulating mechanism is set at the upper end face refrigerant inlet pipe 3 of valve seat 1, and regulating mechanism includes stator winding 5, turns
Sub-set 6 and valve rod assembly, rotor set 6 is embedded to be arranged in stator winding 5, and valve rod assembly is plugged in rotor set 6.
Wherein, valve rod assembly includes locating shaft 7, valve rod 8 and needle 9；Locating shaft 7 is fixed to be plugged in rotor set 6, valve rod
8 are plugged in locating shaft 7, and valve rod 8 passes through 4 rear end of throttle orifice and needle 9 is arranged.The aperture of throttle orifice 4 is less than refrigerant inlet
The caliber of pipe 3.Two sides on valve rod 8 positioned at locating shaft 7 are respectively provided with thread bush 10.Removable cover is also fixedly installed in the end of needle 9
11.Peripherally disposed several mounting ears 12 on 3 inner wall of refrigerant inlet pipe pass through 13 connection activity of tension spring on mounting ear 12
Lid 11.The peripherally disposed several fixation holes 14 in the lower end of removable cover 11,13 one end of tension spring is fixed on consolidating on removable cover 11
Determine in hole 14.Valve seat 1 is connected through a screw thread with refrigerant inlet pipe 3.
The use principle of the refrigeration equipment expansion valve is as follows:
Operator can be moved up and down in stator winding 5 by external drive mechanism valve needle component, moved
The needle 9 of 8 end of valve rod can be made to move up and down in the process, so that removable cover 11 moves up and down, when removable cover 11 is upper
Throttle orifice 4 can gradually be stopped during rising, flow of the refrigerant adjustable in this way to outlet；When removable cover 11 by
When drop under the action of tension spring 13, the flow of throttle orifice 4 can be made to become larger；It is adjusted in this way；No
But regulated quantity can be improved, and degree of regulation is also greatly improved.
Refrigerant inlet pipe 3 is with valve seat 1 by the way of being threadedly coupled in this application；It in this way can be in order to operator
Carry out free handling.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of refrigeration equipment expansion valve, it is characterised in that: there is horizontally disposed valve seat, system is arranged in described valve seat one end
Cryogen outlet, the lower end of the valve seat is fixedly connected with refrigerant inlet pipe, the refrigerant inlet pipe and refrigerant outlet
Connectivity part opens up throttle orifice；Regulating mechanism, the adjusting machine are set at the upper end face refrigerant inlet pipe of the valve seat
Structure includes stator winding, rotor set and valve rod assembly, and the rotor set is embedded to be arranged in the stator windings, the valve rod
Component is plugged in rotor set.
2. a kind of refrigeration equipment expansion valve according to claim 1, it is characterised in that: the valve rod assembly includes fixed
Position axis, valve rod and needle；The locating shaft is fixed to be plugged in rotor set, and the valve rod is plugged in locating shaft, described
Valve rod pass through throttle orifice rear end be arranged needle.
3. a kind of refrigeration equipment expansion valve according to claim 1, it is characterised in that: the aperture of the throttle orifice is small
In the caliber of refrigerant inlet pipe.
4. a kind of refrigeration equipment expansion valve according to claim 1, it is characterised in that: be located at positioning on the valve rod
The two sides of axis are respectively provided with thread bush.
5. a kind of refrigeration equipment expansion valve according to claim 2, it is characterised in that: the end of the needle is also solid
Removable cover is set surely.
6. a kind of refrigeration equipment expansion valve according to claim 5, it is characterised in that: in the refrigerant inlet pipe
Peripherally disposed several mounting ears on wall connect removable cover by tension spring on the mounting ear.
7. a kind of refrigeration equipment expansion valve according to claim 6, it is characterised in that: the lower end edge of the removable cover
Several fixation holes are arranged in circumferencial direction, and described tension spring one end is fixed in the fixation hole on removable cover.
8. a kind of refrigeration equipment expansion valve according to claim 1, it is characterised in that: the valve seat and refrigerant into
Mouth pipe is connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020227.7A CN109186144A (en) | 2018-09-03 | 2018-09-03 | A kind of refrigeration equipment expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020227.7A CN109186144A (en) | 2018-09-03 | 2018-09-03 | A kind of refrigeration equipment expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109186144A true CN109186144A (en) | 2019-01-11 |
Family
ID=64917925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020227.7A Pending CN109186144A (en) | 2018-09-03 | 2018-09-03 | A kind of refrigeration equipment expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109186144A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205927A (en) * | 1997-01-17 | 1998-08-04 | Denso Corp | Electric motor-operated expansion valve |
| JP2001221538A (en) * | 2000-02-09 | 2001-08-17 | Saginomiya Seisakusho Inc | Controller for refrigeration cycle, driver for fluid control valve and fluid control valve |
| JP2002147901A (en) * | 2000-11-15 | 2002-05-22 | Saginomiya Seisakusho Inc | Motorized valve |
| JP2003148643A (en) * | 2001-09-03 | 2003-05-21 | Saginomiya Seisakusho Inc | Electric valve |
| CN1629523A (en) * | 2003-12-16 | 2005-06-22 | 奥托·埃杰尔霍夫两合公司 | Shut-off valve, kit having a shut-off valve, and an expansion valve |
| CN1699802A (en) * | 2004-05-17 | 2005-11-23 | 株式会社不二工机 | Expansion valve |
| JP2006125751A (en) * | 2004-10-29 | 2006-05-18 | Saginomiya Seisakusho Inc | Electric control valve and refrigeration cycle device |
-
2018
- 2018-09-03 CN CN201811020227.7A patent/CN109186144A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205927A (en) * | 1997-01-17 | 1998-08-04 | Denso Corp | Electric motor-operated expansion valve |
| JP2001221538A (en) * | 2000-02-09 | 2001-08-17 | Saginomiya Seisakusho Inc | Controller for refrigeration cycle, driver for fluid control valve and fluid control valve |
| JP2002147901A (en) * | 2000-11-15 | 2002-05-22 | Saginomiya Seisakusho Inc | Motorized valve |
| JP2003148643A (en) * | 2001-09-03 | 2003-05-21 | Saginomiya Seisakusho Inc | Electric valve |
| CN1629523A (en) * | 2003-12-16 | 2005-06-22 | 奥托·埃杰尔霍夫两合公司 | Shut-off valve, kit having a shut-off valve, and an expansion valve |
| CN1699802A (en) * | 2004-05-17 | 2005-11-23 | 株式会社不二工机 | Expansion valve |
| JP2006125751A (en) * | 2004-10-29 | 2006-05-18 | Saginomiya Seisakusho Inc | Electric control valve and refrigeration cycle device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |