CN203594853U - Direct-current solenoid valve used for refrigerator - Google Patents
Direct-current solenoid valve used for refrigerator Download PDFInfo
- Publication number
- CN203594853U CN203594853U CN201320791943.1U CN201320791943U CN203594853U CN 203594853 U CN203594853 U CN 203594853U CN 201320791943 U CN201320791943 U CN 201320791943U CN 203594853 U CN203594853 U CN 203594853U
- Authority
- CN
- China
- Prior art keywords
- valve
- magnetizer
- valve seat
- refrigerator
- spool
- 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.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a direct-current solenoid valve used for a refrigerator. The direct-current solenoid valve comprises a one-way breakover valve body and a magnet exciting coil. The one-way breakover valve body is composed of a tubular non-magnetizer valve sleeve, a non-magnetizer valve seat with a radial guide hole, a magnetizer valve seat, a movable valve core arranged in the tubular non-magnetizer sleeve and between the two valve seats, and a compression spring arranged on the magnetizer valve seat and used for jacking the valve core, wherein an air outlet hole is formed in the tubular non-magnetizer valve sleeve, the non-magnetizer valve seat and the magnetizer valve seat are respectively arranged at the two ends of the tubular non-magnetizer valve sleeve, the non-magnetizer valve seat is arranged on the outer side of the axial direction of the magnet exciting coil, and the valve core and the magnetizer valve seat are arranged in the magnet exciting coil. The power-off state of the direct-current solenoid valve is a normally-closed state, so that the direct-current solenoid valve needs powering on only at system pressure balancing time, large-current requirements can be met at the moment that the direct-current solenoid valve is powered on, power-on time is short, so that the direct-current solenoid valve is favorable to further energy saving. Consequently, the influence of pulse air pressure on the valve core is greatly reduced, large current requirements are met, and the stability and the reliability of the opening of the valve core under large current pressure are maintained.
Description
Technical field
The utility model relates to refrigerator solenoid valve, is specifically related to a kind of refrigerator DC electromagnetic valve, refers more particularly to a kind of for refrigeration for refrigerator, the fresh-keeping DC electromagnetic valve of using.
Background technique
Claimant is the Chinese patent CN200720033998.0 electromagnetic stop valve for refrigeration loop of application previously, its structure is T-shaped tubulose non-magnetizer valve sleeve, two ends band drain through hole, one are non-magnetizer, another is magnet case ladder-type valve seat, the magnet case shutoff spool of two valve base chambers in normal open state, is located at the Compress Spring composition on magnet case valve seat.This solenoid valve is due to the restriction of structure, and under the effect of pulsed gas pressure, for having various drawbacks in the refrigeration of the larger air mass flow of needs, fresh-keeping system, the cut-off state of simultaneously working needs the long period to continue energising, therefore still has and is worth the place of improving.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, provide a kind of manufacture more simply, more energy-conserving and environment-protective, can meet the DC electromagnetic valve of large traffic demand.
The realization of the utility model object, main improvement is that solenoid valve off-position is normally off, within the operating time, in the outlet of system requirements stopping, need to continue long period energising with respect to normally open different, normally off structure is not need energising in the outlet of system requirements stopping within the operating time, only in the time wanting balance sysmte pressure, switch on, and energising moment meets large traffic demand, large flow gas is by meeting the requirement of system pressure balance, current"on"time is extremely short, is conducive to further energy-conservation; Chew at normally off lower valve core shutoff non-magnetizer valve seat valve, spool at least one end is flexible sealing body, air outlet hole changes into and being arranged in tubulose non-magnetizer valve sleeve, and magnet case valve seat is placed in field coil and is connected to form by screw and metal framework the magnetic loop that strengthens magnetic attraction.
The purpose of this utility model is achieved through the following technical solutions:
A kind of refrigerator DC electromagnetic valve, comprise one-way conduction valve body and field coil, described one-way conduction valve body is by tubulose non-magnetizer valve sleeve, the air outlet hole that tubulose non-magnetizer valve sleeve is provided with, be located at respectively non-magnetizer valve seat and the magnet case valve seat with radial guiding discharge orifice that be provided with at described tubulose non-magnetizer valve sleeve two ends, the removable spool of inherent two valve base chambers of described tubulose non-magnetizer valve pocket pipe valve, the Compress Spring that is located at pushing tow spool on described magnet case valve seat forms; Described non-magnetizer valve seat is located at the axial outside of field coil, and described spool and magnet case valve seat are located in field coil.
Described tubulose non-magnetizer valve sleeve adopts stainless steel or copper pipe processing to become straighttube-type, the air outlet hole that tubulose non-magnetizer valve sleeve is provided with can external welding copper pipe, aluminum pipe etc., because air outlet hole and non-magnetizer valve seat pod apertures be not in same longitudinal axis, therefore the atmospheric pressure of pulsing reduces greatly on the impact of spool, meet large traffic requirement, kept unlatching stability and the reliability of large flow pressure lower valve core.
Described field coil is provided with magnetic conductive metal framework outward, and described magnetic conductive metal framework contacts with described magnetic conduction valve seat.
Described two valve seats, are respectively non-magnetizer valve seat and magnet case valve seat; Described non-magnetizer valve seat is arranged on the axial outside of field coil, and centre is processed with radial guiding discharge orifice, and the inner has the valve of protrusion to chew, and processing is simple, and shutoff is convenient, good airproof performance; Described magnet case valve seat is arranged in field coil, is connected and fixed by screw and magnetic conductive metal framework, forms magnetic loop, strengthens magnetic attraction, is conducive to the stability of spool commutation; The inner of described magnet case valve seat is provided with ladder thin neck section, and described Compress Spring is enclosed within on ladder thin neck section.
Described spool is magnet case, its surface axis is provided with some guiding gutters, its external diameter is slightly less than valve sleeve internal diameter, spool and tubulose non-magnetizer valve sleeve are and are slidably matched, this structure is conducive to the stability of spool action, commutation difficulty, the work stability and reliability decline of avoiding the gas of spool in the time of commutation moment or liquid medium effectively to cause when conducting; Complete empty or half hollow structure during described spool adopts, one or both ends are provided with flexible sealing piece, and at least the riveted joint magnetic conductive metal limit baffle ring sealing of closing up for one end, is ejected with baffle seal piece.This structure improves the sealing of spool, and the stability of spool under large flow pressure medium is also improved greatly, and manufacturing process is simplified greatly simultaneously, cost.
Compared to the prior art, the beneficial effects of the utility model:
The utility model solenoid valve off-position is normally off, when system requirements stopping exports within the operating time, do not need energising, only in the time wanting balance sysmte pressure, switch on, and energising moment meets large traffic demand, large flow gas is by meeting the requirement of system pressure balance, current"on"time is extremely short, is conducive to further energy-conservation; Air outlet hole and pod apertures be not in same longitudinal axis, and the atmospheric pressure of therefore pulsing reduces greatly on the impact of spool, has met large traffic requirement, keeps unlatching stability and the reliability of large flow pressure lower valve core; Complete empty or half hollow structure during spool adopts, one or both ends are provided with flexible sealing piece, the at least riveted joint magnetic conductive metal limit baffle ring sealing of closing up for one end, be ejected with baffle seal piece, improve the sealing of spool, the stability of spool under large flow pressure medium is also improved greatly, and manufacturing process is simplified greatly simultaneously, cost.
Accompanying drawing explanation
Fig. 1 is model utility DC electromagnetic valve structural representation.
In Fig. 1,1-non-magnetizer valve seat, 1.1-valve is chewed, 2-tubulose non-magnetizer valve sleeve, 2.1-air outlet hole, 3-spool, 3.1-sealing is fast, 4-Compress Spring, 5-magnet case valve seat, 5.1-ladder thin neck section, 6-magnetic conductive metal framework, 7-field coil, 8-pod apertures, gas port, 9-screw.
Fig. 2 is spool sectional structure schematic diagram.
In Fig. 2,3-spool, 3.2-guiding gutter.
Embodiment
Below in conjunction with example, further illustrate model utility, but illustrative examples is not the restriction to the utility model concrete structure, some are in the simple change of technician or substitute, and such as inlet hole, air outlet hole are contrary etc., possess equally essentially identical effect.
Referring to Fig. 1,2, a kind of refrigerator DC electromagnetic valve, comprise one-way conduction valve body and field coil 7, described one-way conduction valve body comprises tubulose non-magnetizer valve sleeve 2, tubulose non-magnetizer valve sleeve 2 is provided with air outlet hole 2.1, tubulose non-magnetizer valve sleeve 2 two ends be respectively equipped with non-magnetizer valve seat 1 and magnet case valve seat 5 seals, tubulose non-magnetizer valve pocket pipe valve 2 inherent two valve base chambers are provided with the magnet case spool 3 of reciprocally mobile hollow; On described non-magnetizer valve seat 1 axis, have inlet hole 8, form gas or liquid and flow into valve channel, the inner has the valve of protrusion to chew 1.1; On the ladder thin neck section 5.1 of magnet case valve seat 5 the inners, cover has Compress Spring 4, and the valve of compression pushing tow spool 3 shutoff non-magnetizer valve seats 1 chews 1.1; Spool 3 external diameters are slightly less than tubulose non-magnetizer sleeve pipe 2 internal diameters, surface Machining has some axial diversion grooves 3.2, forms spool guide channel smoothly, and spool 3 is and is slidably matched with tubulose non-magnetizer valve sleeve 2, there is flexible sealing block rubber 3.1 that can be spacing spool 3 one end, are plugged in valve and chew on 1.1; Non-magnetizer valve seat 1 is positioned at axially outside of field coil 7, and magnet case spool 3 and magnet case valve seat 5 are placed in field coil 7 skeletons; Magnet case valve seat 5 is provided with non-penetrating screw thread fixed hole, is connected and fixed by screw 9 and the magnetic conductive metal framework 6 outside field coil 7, forms magnetic loop, is conducive to the magnetic adhesion between magnetic conduction spool 3 and magnetic conduction valve seat 5.
Conducting: field coil 7 obtains electric generation magnetic field, spool 3 is under the magnetic attraction effect of magnet case valve seat 5, magnetic conductive metal framework 6, overcome Compress Spring 4 spring forces, unclamp the shutoff of valve being chewed to 1.1, gas or refrigeration agent are entered by pod apertures 8, discharge through tubulose non-magnetizer valve sleeve air outlet hole 2.1, make gas or refrigeration agent form path, and switch on and keep spool 3 positions by field coil 7, make valve be in normally open.
Cut-off: field coil 7 power-off, spool 3 moves axially under Compress Spring 4 spring-force driven duals, and pushing tow is chewed on 1.1 and is formed the shutoff of valve being chewed to 1.1 at the valve of non-magnetizer valve seat 1, makes valve be in normally off.
Claims (9)
1. a refrigerator DC electromagnetic valve, comprise one-way conduction valve body and field coil, it is characterized in that described one-way conduction valve body is by tubulose non-magnetizer valve sleeve, the air outlet hole that tubulose non-magnetizer valve sleeve is provided with, be located at respectively non-magnetizer valve seat and the magnet case valve seat with radial guiding discharge orifice that be provided with at described tubulose non-magnetizer valve sleeve two ends, the removable spool of inherent two valve base chambers of described tubulose non-magnetizer valve pocket pipe valve, the Compress Spring that is located at pushing tow spool on described magnet case valve seat forms; Described non-magnetizer valve seat is located at the axial outside of field coil, and described spool and magnet case valve seat are located in field coil.
2. refrigerator DC electromagnetic valve according to claim 1, is characterized in that described tubulose non-magnetizer valve sleeve is straight tube.
3. refrigerator DC electromagnetic valve according to claim 1, is characterized in that described field coil is provided with magnetic conductive metal framework outward, and described magnetic conductive metal framework contacts with described magnetic conduction valve seat.
4. refrigerator DC electromagnetic valve according to claim 3, is characterized in that described magnet case valve seat is provided with non-penetrating screw thread fixed hole, and described magnet case valve seat is connected and fixed by screw and magnetic conductive metal framework.
5. refrigerator DC electromagnetic valve according to claim 1, is characterized in that described non-magnetizer valve seat the inner has the valve of protrusion to chew.
6. refrigerator DC electromagnetic valve according to claim 1, is characterized in that the inner of described magnet case valve seat is provided with ladder thin neck section, and described Compress Spring is enclosed within on ladder thin neck section.
7. refrigerator DC electromagnetic valve according to claim 1, is characterized in that described spool and described tubulose non-magnetizer valve sleeve are to be slidably matched.
8. refrigerator DC electromagnetic valve according to claim 1, is characterized in that described spool is magnet case spool, and surface is axially arranged with some guiding gutters.
9. according to the refrigerator DC electromagnetic valve described in claim 1 or 8, it is characterized in that described spool is hollow or in midair, one or both ends are provided with flexible sealing piece, at least the riveted joint magnetic conductive metal limit baffle ring sealing of closing up for one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791943.1U CN203594853U (en) | 2013-12-03 | 2013-12-03 | Direct-current solenoid valve used for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320791943.1U CN203594853U (en) | 2013-12-03 | 2013-12-03 | Direct-current solenoid valve used for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594853U true CN203594853U (en) | 2014-05-14 |
Family
ID=50675744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320791943.1U Expired - Lifetime CN203594853U (en) | 2013-12-03 | 2013-12-03 | Direct-current solenoid valve used for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090527A (en) * | 2014-05-21 | 2015-11-25 | 厦门科际精密器材有限公司 | Electromagnetic valve |
| CN109092582A (en) * | 2018-10-18 | 2018-12-28 | 广西卡迪亚科技有限公司 | A kind of liquid-gas two-phase flow body delicate metering spray solenoid valve |
-
2013
- 2013-12-03 CN CN201320791943.1U patent/CN203594853U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090527A (en) * | 2014-05-21 | 2015-11-25 | 厦门科际精密器材有限公司 | Electromagnetic valve |
| CN109092582A (en) * | 2018-10-18 | 2018-12-28 | 广西卡迪亚科技有限公司 | A kind of liquid-gas two-phase flow body delicate metering spray solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |