CN207034338U - The normally opened electromagnetic expanding valve of type pilot side position formula - Google Patents
The normally opened electromagnetic expanding valve of type pilot side position formula Download PDFInfo
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- CN207034338U CN207034338U CN201720992385.3U CN201720992385U CN207034338U CN 207034338 U CN207034338 U CN 207034338U CN 201720992385 U CN201720992385 U CN 201720992385U CN 207034338 U CN207034338 U CN 207034338U
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Abstract
A kind of normally opened electromagnetic expanding valve of type pilot side position formula, including expansion valve, expansion valve include valve body, and the bottom of valve body is provided with blind hole one and blind hole two, communicating passage is connected between blind hole one and blind hole two, magnetic valve is fixed with valve body.Electromagnetic valve coil assembly band moving armature and thimble when being powered move to the left, so as to promote valve element holder assembly to move to the left, and then communicating passage are blocked, so as to close expansion valve；Expansion valve and magnetic valve integrated setting small volume, realize heating power expansion valve and two kinds of functions of magnetic valve, are user-friendly and install, and reduce pipe joint, covert to reduce system leakage risk point, are worthy of popularization.
Description
Technical field
A kind of choke valve is the utility model is related to, especially a kind of normally opened electromagnetic expanding valve of type pilot side position formula.
Background technology
Expansion valve is an important component in refrigeration system, is generally mounted between condenser and evaporator, expansion valve
The liquid refrigerant of HTHP is throttled into the moist steam of low-temp low-pressure, heat is absorbed into evaporator to reach refrigeration
Effect, expansion valve can control the flow of expansion valve by heating power head assembly, prevent evaporator area underutilization or knot
Frost phenomenon, although heating power expansion valve can automatically adjust the flow of refrigerant, it the shortcomings that it is also very notable；It is specific have with
It is lower 2 points：
1) heating power expansion valve can not actively close the function of refrigerant (refrigerant) work, and particularly double steaming systems are either attached
System with the requirement of other refrigeration modules；
2) heating power expansion valve is plus in the system of solenoid valve control, and pipeline structure is complicated, and accessory is more, the detection of outer leak source
Point increase, space hold are big.
Utility model content
The utility model will solve the shortcomings that above-mentioned prior art, there is provided one kind can overcome heating power expansion valve actively to close
Complicated refrigerant and pipeline structure, accessory and test point is more, space hold the is big normally opened electromagnetic expanding valve of type pilot side position formula are closed, is expired
The foot demand of user's convenient use.
The utility model solves the technical scheme of its technical problem use：The normally opened electromagnetism expansion of this type pilot side position formula
Valve, including expansion valve, expansion valve include valve body, and the bottom of valve body is provided with blind hole one and blind hole two, between blind hole one and blind hole two
Communicating passage is connected with, magnetic valve is fixed with valve body；Magnetic valve includes the coil assembly with housing, is fixed with coil assembly
Electromagnetic Control mechanism, Electromagnetic Control mechanism include sleeve pipe and are fixed on the upper cover of cannula tip, and the bottom of sleeve pipe is fixed with down
End socket, the bottom of low head are fixed with casing seat, and valve core case component is plugged with casing seat, and the bottom of casing seat is fixed with pressure
Circle, is provided with back-moving spring one between valve element holder assembly and trim ring, valve element holder assembly includes grafting block and is fixed on grafting block
Seal block, be provided with pod apertures on seal block, balance pipe be provided with grafting block, armature is plugged with sleeve pipe, is opened in armature
There is hole one and be more than the hole two in hole one with the intercommunication of hole one and section, the outer end in hole two is fixed with block, top is plugged with hole one
Pin, thimble are provided with compression spring at the top of thimble also together with low head grafting and for blocking pod apertures between block
One, compression spring two is installed between low head and armature；Casing seat is fixed on valve body and opened and closed with valve element holder assembly and connected
Passage, together with coil assembly coordinates on sleeve pipe and makes coil assembly fix with upper cover with fastener.Here compression spring two,
The effect of back-moving spring one is, when coil assembly no power, can promote valve using compression spring two and back-moving spring one
Moved outside core print seat component, so as to not block communicating passage, and then ensure that expansion valve is always on state；Here compression spring one
Effect is can to make being pressed in pod apertures of thimble elasticity, so that it is guaranteed that even if armature is attracted displacement to the left by magnetic force
Excessively, destruction of the thimble to seal block will not be also caused, is easy to fabricate；Here balance pipe has further increase to even
Circulation passage blocks the effect of intensity, further increases the sealing that valve element holder assembly is blocked to communicating passage.
One group of coil positioning boss is fixed with the housing of coil assembly, is provided with valve body and each coil positioning boss size
The positioning hole of location matches.Here the effect of coil positioning boss and positioning hole is convenient installation.
Positioning hole is bellmouth, and coil positioning boss is taper positioning boss.Here positioning hole is bellmouth, coil positioning
Boss is to facilitate location and installation for the effect of taper positioning boss.
The utility model has the advantages that：The utility model smart structural design, rationally, electromagnetic valve coil assembly is logical
Band moving armature and thimble move to the left when electric, and so as to promote valve element holder assembly to move to the left, and then it is (flat to block communicating passage
Weighing apparatus hole has the function that further increase blocks intensity to communicating passage), so as to close expansion valve；Expansion valve and magnetic valve one
Change and small volume be set, realize heating power expansion valve and two kinds of functions of magnetic valve, be user-friendly and install, reduce pipe joint,
It is covert to reduce system leakage risk point, it is worthy of popularization.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of expansion valve in the utility model；
Fig. 3 is Fig. 1 a-quadrant partial enlarged drawing；
Fig. 4 is Fig. 1 B area partial enlarged drawing；
Fig. 5 is the structural representation of Electromagnetic Control mechanism in the utility model；
Fig. 6 is fundamental diagram of the present utility model.
Description of reference numerals：Expansion valve 1a, valve body 1, the 1-1 of blind hole one, blind hole two 1-2, communicating passage 1-3, positioning hole 1-
4, magnetic valve 2, coil assembly 2-1, positioning boss 2-1a, Electromagnetic Control mechanism 2-2, sleeve pipe 2-2a, upper cover 2-2b, low head
2-2c, casing seat 2-2d, valve element holder assembly 2-2e, grafting block 2a-2e, balance pipe 2ab-2e, seal block 2b-2e, pod apertures
2bc-2e, trim ring 2-2f, armature 2-2g, the 2a-2g of hole one, the 2b-2g of hole two, thimble 2-2h, the 2-2j of compression spring one, compression spring
Two 2-2k, the 2-2m of back-moving spring one.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to the drawings：The normally opened electromagnetic expanding valve of this type pilot side position formula, including expansion valve 1a, expansion valve 1a include valve body
1, the bottom of valve body 1, which is provided between the 1-1 of blind hole one and blind hole two 1-2, the 1-1 of blind hole one and the 1-2 of blind hole two, is connected with communicating passage
1-3, magnetic valve 2 is fixed with valve body 1；Magnetic valve 2 includes the coil assembly 2-1 with housing, and electricity is fixed with coil assembly 2-1
Magnetic control mechanism 2-2, Electromagnetic Control mechanism 2-2 include sleeve pipe 2-2a and are fixed on the upper cover 2-2b on sleeve pipe 2-2a tops, set
Pipe 2-2a bottom is fixed with low head 2-2c, and low head 2-2c bottom is fixed with casing seat 2-2d, casing seat 2-2d interpolations
Be connected to valve element holder assembly 2-2e, casing seat 2-2d bottom be fixed with trim ring 2-2f, valve element holder assembly 2-2e and trim ring 2-2f it
Between the 2-2m of back-moving spring one is installed, valve element holder assembly 2-2e includes grafting block 2a-2e and is fixed on close on grafting block 2a-2e
Pod apertures 2bc-2e is provided with packing block 2b-2e, seal block 2b-2e, balance pipe 2ab-2e is provided with grafting block 2a-2e, is covered
Armature 2-2g is plugged with pipe 2-2a, the 2a-2g of hole one is provided with armature 2-2g and is more than hole one with the 2a-2g intercommunications of hole one and section
The 2a-2g 2b-2g of hole two, the 2b-2g of hole two outer end are fixed with block 2c-2g, and thimble 2-2h is plugged with the 2a-2g of hole one,
Thimble 2-2h is also together with low head 2-2c grafting and for blocking pod apertures 2bc-2e, thimble 2-2h tops and block 2c-
The 2-2j of compression spring one is installed between 2g, the 2-2k of compression spring two is installed between low head 2-2c and armature 2-2g；Sleeve pipe
Seat 2-2d is fixed on valve body 1 and opens and closes communicating passage 1-3 with valve element holder assembly 2-2e, and coil assembly 2-1 coordinates in sleeve pipe 2-
2a is upper and together with coil assembly 2-1 is fixed with upper cover 2-2b with fastener.
One group of coil positioning boss 2-1a is fixed with coil assembly 2-1 housing, is provided with valve body 1 and is positioned with each coil
The positioning hole 1-4 of boss 2-1a size location matches.
Positioning hole 1-4 is bellmouth, and coil positioning boss 2-1a is taper positioning boss.
Operation principle of the present utility model：Electromagnetic expanding valve mounting means is as heating power expansion valve, and loaded on evaporation
Between device, condenser；Electromagnetic expanding valve is made up of coil assembly, Electromagnetic Control mechanism and expansion valve three parts, wherein expanding
Valve portion (refers to evaporator outlet temperature and evaporation using heating power head assembly to perceive the degree of superheat of refrigerant evaporator during the degree of superheat
Device outlet pressure corresponds to refrigerant saturation temperature difference), thus carry out the size of variable expansion valve aperture, so as to control into evaporator
Liquid refrigerant flow；When evaporator outlet temperature reduces, the liquid volume of intracavitary is shunk in heating power head assembly, expansion valve
Valve port will close, and enter evaporator so as to limitation refrigerant, if opposite evaporator outlet temperature rise, expansion valve valve port will be opened
Open, so as to increasing refrigerant flow.
The electromagnetic expanding valve expands valve closed mode when belonging to energization, the electromagnetism expansion of expansion valve opening during no power
Valve, and coil assembly 2-1 is in obstructed electricity condition (as shown in Figure 6) during expansion valve normal operation；Magnet coil assembly 2-1 is not
During energization, at this moment, by the 2-2m of back-moving spring one, the 2-2k of compression spring two effect, valve element holder assembly 2-2e and armature are promoted
2-2g moves towards right side, is in working condition so as to keep magnetic valve so as to open communicating passage 1-3；Electromagnetic valve coil assembly 2-1
Be powered when, at this moment, low head 2-2c carry ferromagnetism, and armature 2-2g can be attracted by low head 2-2c, thus armature 2-2g and
Thimble 2-2h can be moved to the left so that wedge 2-2g is attracted at low head 2-2c, and thimble 2-2h can drive valve core case group
Part 2-2e blocks communicating passage 1-3, so as to close expansion valve；Refrigerant can further press valve by balance pipe 2ab-2e
Core print seat component 2-2e and block communicating passage 1-3 (as shown in Figure 6)；Expansion valve and electromagnetism gauge valve integrated small volume, realize heating power
Expansion valve and two kinds of functions of magnetic valve, are user-friendly and install, and reduce pipe joint, covert to reduce system leakage risk
Point, is worthy of popularization.
Although the utility model is shown and described by reference to preferred embodiment, this specialty is common
Technical staff can make various change in form and details it is to be appreciated that in the range of claims.
Claims (4)
1. a kind of normally opened electromagnetic expanding valve of type pilot side position formula, including expansion valve (1a), the expansion valve (1a) includes valve body
(1), the bottom of the valve body (1) is provided with blind hole one (1-1) and blind hole two (1-2), the blind hole one (1-1) and (1- of blind hole two
2) communicating passage (1-3) is connected between, it is characterized in that：Magnetic valve (2) is fixed with the valve body (1)；
The magnetic valve (2) includes the coil assembly (2-1) with housing, and Electromagnetic Control is fixed with the coil assembly (2-1)
Mechanism (2-2), the Electromagnetic Control mechanism (2-2) include sleeve pipe (2-2a) and are fixed on the upper cover on sleeve pipe (2-2a) top
(2-2b), the bottom of described sleeve pipe (2-2a) are fixed with low head (2-2c), and the bottom of the low head (2-2c) is fixed with set
Base (2-2d), described sleeve pipe seat (2-2d) is interior to be plugged with valve core case component (2-2e), and the bottom of described sleeve pipe seat (2-2d) is consolidated
Surely there is trim ring (2-2f), back-moving spring one (2-2m), institute are installed between the valve element holder assembly (2-2e) and trim ring (2-2f)
Stating valve element holder assembly (2-2e) includes grafting block (2a-2e) and the seal block (2b-2e) being fixed on grafting block (2a-2e),
Pod apertures (2bc-2e) are provided with the seal block (2b-2e), armature (2-2g) is plugged with described sleeve pipe (2-2a), it is described
Hole one (2a-2g) is provided with armature (2-2g) and is more than the (2b- of hole two of hole one (2a-2g) with (2a-2g) intercommunication of hole one and section
2g), the outer end of the hole two (2b-2g) is fixed with block (2c-2g), and thimble (2- is plugged with the hole one (2a-2g)
2h), the thimble (2-2h) is also together with low head (2-2c) grafting and for blocking pod apertures (2bc-2e), the thimble
Compression spring one (2-2j), the low head (2-2c) and armature (2- are installed at the top of (2-2h) between block (2c-2g)
Compression spring two (2-2k) is installed between 2g)；Described sleeve pipe seat (2-2d) is fixed on valve body (1) and with valve element holder assembly
(2-2e) opens and closes communicating passage (1-3), and the coil assembly (2-1) coordinates on sleeve pipe (2-2a) and makes coil total with fastener
Into (2-1) together with upper cover (2-2b) fixation.
2. the normally opened electromagnetic expanding valve of type pilot side according to claim 1 position formula, it is characterized in that：Grafting block (the 2a-
Balance pipe (2ab-2e) is provided with 2e).
3. the normally opened electromagnetic expanding valve of type pilot side according to claim 1 position formula, it is characterized in that：Coil assembly (the 2-
1) one group of coil positioning boss (2-1a) is fixed with housing, is provided with the valve body (1) and each coil positioning boss (2-
1a) the positioning hole (1-4) of size location matches.
4. the normally opened electromagnetic expanding valve of type pilot side according to claim 3 position formula, it is characterized in that：The positioning hole (1-4)
For bellmouth, the coil positioning boss (2-1a) is taper positioning boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992385.3U CN207034338U (en) | 2017-08-09 | 2017-08-09 | The normally opened electromagnetic expanding valve of type pilot side position formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992385.3U CN207034338U (en) | 2017-08-09 | 2017-08-09 | The normally opened electromagnetic expanding valve of type pilot side position formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034338U true CN207034338U (en) | 2018-02-23 |
Family
ID=61475261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720992385.3U Active CN207034338U (en) | 2017-08-09 | 2017-08-09 | The normally opened electromagnetic expanding valve of type pilot side position formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954991A (en) * | 2018-09-09 | 2018-12-07 | 宁波松鹰汽车部件有限公司 | A kind of electromagnetism heating power expansion valve |
| CN110878996A (en) * | 2018-09-06 | 2020-03-13 | 天津华信机械有限公司 | Multifunctional expansion valve and air conditioning system |
| CN112369990A (en) * | 2020-09-30 | 2021-02-19 | 宁波方太厨具有限公司 | Micro-nano bubble generating device and cleaning machine applying same |
-
2017
- 2017-08-09 CN CN201720992385.3U patent/CN207034338U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878996A (en) * | 2018-09-06 | 2020-03-13 | 天津华信机械有限公司 | Multifunctional expansion valve and air conditioning system |
| CN110878996B (en) * | 2018-09-06 | 2021-09-28 | 天津华信机械有限公司 | Multifunctional expansion valve and air conditioning system |
| CN108954991A (en) * | 2018-09-09 | 2018-12-07 | 宁波松鹰汽车部件有限公司 | A kind of electromagnetism heating power expansion valve |
| CN112369990A (en) * | 2020-09-30 | 2021-02-19 | 宁波方太厨具有限公司 | Micro-nano bubble generating device and cleaning machine applying same |
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