CN1099987C - Antistaling cabinet - Google Patents
Antistaling cabinet Download PDFInfo
- Publication number
- CN1099987C CN1099987C CN 98111581 CN98111581A CN1099987C CN 1099987 C CN1099987 C CN 1099987C CN 98111581 CN98111581 CN 98111581 CN 98111581 A CN98111581 A CN 98111581A CN 1099987 C CN1099987 C CN 1099987C
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- China
- Prior art keywords
- vacuum
- valve
- vacuum pump
- vacuum chamber
- pore
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- Expired - Fee Related
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Abstract
The present invention relates to a container for preserving food in vacuum, which has the technical scheme that the container is provided with more than one vacuum chambers respectively provided with an air-tight door and air exhaust pipes, wherein a door body is provided with an air inlet valve; the air exhaust pipes are provided with one-way valves; air exhaust pipes in vacuum chambers are all connected with air suction pipes in a vacuum pump; the air suction pipes in the vacuum pump are also connected in parallel with a stop controlling valve; and starting switches, motors and stop controlling valves arranged in vacuum chambers are connected in series by wires and connected with a power supply. The container has the advantages of good tightness and compact structure. The container has an external shape like a refrigerator and is suitable for households; one fresh preserving cabinet with a host machine is matched with a plurality of fresh preserving cabinets without a host machine to satisfy the requirements of places, such as hotels and dining rooms with large storage capacity.
Description
The present invention relates to a kind of vacuum and preserve the container of food.
No. 902169475 application documents of Chinese invention patent disclose a kind of " vacuum fresh-keeping cabinet ", it takes cabinet and cabinet door joint that tightening seal washer is housed, the vacuum pump air suctiton inlet communicates by in pipeline and the cabinet, its piston joins by connecting rod and the change speed gear box that is connected to motor, cabinet is provided with air inlet valve and is connected by lead with relay, the source switch of control motor with pressure sensor, and so-called pressure sensor is vacuum table.Vacuum freshness retaining can adapt to various different food products, but seal of vessel is had relatively high expectations, above-mentioned vacuum fresh-keeping cabinet single cell structure, the one side finite capacity, the food that differs of various on the other hand required holding times mixes and is placed on one indoorly, and the chamber door need often be opened, to the influence of preserving of a part of food, and often start, increased power consumption.
The objective of the invention is to propose that a kind of food can be preserved respectively as required and sealing property utilizes vacuum to preserve the antistaling cabinet of food preferably.
For achieving the above object, the major technique measure that the present invention takes is to be provided with an above vacuum chamber, vacuum chamber has hermatic door and freeing pipe separately, the door body is provided with air inlet valve, freeing pipe is provided with check valve, the freeing pipe of vacuum chamber all links to each other with the aspirate tube of vacuum pump, goes back and connect the shutdown control cock on the aspirate tube of vacuum pump; The startup-shutdown switch, motor, the shutdown control cock that are arranged in each vacuum chamber are connected with power supply with the lead series connection.
Above-mentioned vacuum pump adopts piston reciprocating type, is provided with check valve in the plunger shaft of vacuum pump, and the bottom of vacuum pump is provided with check valve.
The valve of described air inlet valve is hinged on the body, jointed shaft is positioned at the top of pore, the panel made from frosted glass is set around the pore, valve and pore corresponding position are provided with a projection, the pore cover plate made from frosted glass is set on the projection end, be nested with a spring on the projection, have oil reservoir between pore cover plate and panel.
The spool top of above-mentioned shutdown control cock is provided with the feeler lever that stretches out valve body and be threaded with spool, and the spool bottom is provided with the pressure adjusting lever that is threaded with it, and the pressure adjusting lever outside is provided with spring, and exhaust ports is provided with seal ring in the valve body chamber.
Be arranged on the doorframe of vacuum chamber or sealing every body on sealing band have groove, non-drying sealant is set in the groove.
Shown in Figure 1 is configuration diagram of the present invention;
Fig. 2 is the air inlet valve configuration diagram;
Fig. 3 is the section drawing of the sealing band of vacuum chamber hermatic door;
The invention will be further described below in conjunction with accompanying drawing.
The present invention has machine hall and an above vacuum chamber; machine hall and vacuum chamber can one; promptly the bottom is the machine hall; top is several vacuum chambers; also can machine hall and vacuum chamber split; accompanying drawing is depicted as integral type; the bottom is the machine hall; top generally is provided with 3～4 vacuum chambers; each vacuum chamber has hermatic door and freeing pipe separately; be provided with motor 14 in the machine hall; running part; vacuum pump 19 and shutdown control cock 8; motor is a belt gear 17 by running part; turbine and worm decelerator 26; the piston 20 of crank mechanism 25 drive vacuum pumps is reciprocating; also be provided with manual pulley 18 at running part; be convenient in particular cases manually vacuumize; be provided with the steel-ball type check valve in the plunger shaft of vacuum pump; also can adopt conical surface type; accompanying drawing is depicted as steel-ball type; utilize the elastic force of spring to make steel ball prop up air suctiton inlet seal ring 21, be provided with check valve 22 in the vacuum valve bottom, this check valve can be a steel-ball type; it also can be single steel ball; all be provided with check valve 4 on the freeing pipe of each vacuum chamber, this check valve can adopt steel-ball type, also can adopt conical surface type; when the piston upward movement of vacuum pump; the check valve 22 of bottom is opened, and the check valve 23 in the plunger shaft still is in closure state, and air enters from air suctiton inlet; enter in the pump housing chamber; when piston moves downward, the air compression in the piston lower chamber, pressure strengthens; base valve 22 is closed; check valve 23 in the plunger shaft is opened, and discharge on air admission piston top, also is in vacuum state in the tube chamber simultaneously.The freeing pipe of vacuum chamber all is connected with the aspirate tube 16 of vacuum pump; the aspirate tube of vacuum pump also is connected with the freeing pipe 13 of shutting down control cock 8 in addition; spool 9 tops of this control cock are provided with the scalable feeler lever 7 that stretches out valve body and be threaded with spool; feeler lever 7 is provided with the movable contact piece; the movable contact piece is connected with circuit; the spool bottom is provided with the pressure adjusting lever 10 that is threaded with it, and the pressure adjusting lever outside is provided with spring 11, and exhaust ports is provided with seal ring 12 in the valve body chamber.The specification of pressure control pole length, spring and the length of feeler lever all have certain cooperation requirement, when the vacuum requirement that reaches prior setting, the end of pressure adjusting lever touches the exhausr port seal ring, simultaneously the movable contact piece on the feeler lever be fixed on a certain position and decide contact block with the circuit bonded assembly and contact then circuit connection.On the vacuum chamber doorframe or the sealing band 28 cross sectional shape both sides projectioies on the sealing every body, middle concave shaped grooving 29 is provided with non-drying sealant in the groove, and non-drying sealant is on sale on the market.Valve 38 one of the grip handle of hermatic door and air inlet valve 2, air intake valve 38 is hinged with door body 30, the door body is provided with induction opening 33, jointed shaft 31 is arranged on the top of induction opening 33, the panel made from frosted glass 32 is set around the induction opening, can take on the door body of air inlet position, to offer kidney slot, the panel made from frosted glass is set around the induction opening in the groove, be provided with projection 36 in the air intake valve inboard with the induction opening corresponding position, the induction opening cover plate made from frosted glass 35 is set on the projection end, be nested with spring 36 on the projection, utilize spring force to make cover plate press panel, and to scribble oil between induction opening cover plate and panel be good with liquid petrolatum, to guarantee the leak tightness between cover plate and panel.Circuit of the present invention takes startup-shutdown switch 27, motor 14, the series connection of shutdown control cock 8 usefulness leads of each vacuum chamber to be connected with power supply, and source switch is set in circuit in addition.The startup-shutdown switch of vacuum chamber is installed on the doorframe, and when door closed, switch closed, when door is opened, and switch opens.
The present invention is under the vacuum state at each vacuum chamber, the closed check valve on each freeing pipe, and the startup-shutdown switch closure of each vacuum chamber is shut down the movable contact piece of control cock and is decided the contact block disengagement, and circuit is for opening circuit, and motor is not worked; When needs deposit in or take out food; rotation vacuum chamber hermatic door handle is an air intake valve; the induction opening cover plate moves; expose induction opening; air enters fast from induction opening, and door is opened, and this moment this vacuum chamber check valve in steel ball be subjected to moving down from the air pressure of vacuum chamber; valve is opened; air enters the shutdown control cock by pipeline, promotes the spool upward movement, the movable contact piece with decide contact block and contact; but should the time if one of them vacuum chamber the door do not shut; circuit still for opening circuit, shut by door for vacuum chamber one, and power supply is promptly connected; vacuum pump work; to vacuum chamber with shut down control cock and vacuumize, the spool of shutting down control cock progressively moves down simultaneously, is fixed on that feeler lever moves down on the spool; fixed and the contact block disengaging when the movable contact piece, circuit disconnects.
The present invention takes many seal approach, and sealing property is better; Its profile such as electric refrigerator, suitable family puts, and is big to hotel, dining room storage capacity, can take the antistaling cabinet of a band main frame to join and severally make full use of main frame not with the antistaling cabinet of main frame, cuts down expenses.
Claims (5)
1, a kind of antistaling cabinet has motor (14), running part, vacuum pump (19), and its spy is:
A) this cabinet is provided with an above vacuum chamber (1), vacuum chamber has hermatic door and freeing pipe separately, door body (30) is provided with air inlet valve (2), freeing pipe (3) is provided with check valve (4), the freeing pipe of vacuum chamber all links to each other with the aspirate tube (16) of vacuum pump (19), goes up also and connects at the aspirate tube (16) of vacuum pump and shut down control cock (8);
B) start switch (27), motor (14), the shutdown control cock (8) that is arranged in each vacuum chamber is connected with power supply with the lead series connection.
2, antistaling cabinet according to claim 1 is characterized in that: vacuum pump (19) adopts piston reciprocating type, and piston (20) is provided with check valve (23) in the chamber, and the bottom of vacuum pump is provided with check valve (22).
3, antistaling cabinet according to claim 1, it is characterized in that: the valve of air inlet valve (38) is hinged on the body (30), jointed shaft (31) is positioned at the top of pore (33), the panel made from frosted glass (32) is set around the pore, valve and pore corresponding position are provided with a projection (36), the pore cover plate made from frosted glass (35) is set on the projection end, is nested with a spring (37) on the projection, have oil reservoir (34) between pore cover plate (35) and panel (32).
4, antistaling cabinet according to claim 1; it is characterized in that: spool (9) top of shutting down control cock (8) is provided with the feeler lever (7) that stretches out valve body and be threaded with spool; the spool bottom is provided with the pressure adjusting lever (10) that is threaded with it; the pressure adjusting lever outside is provided with spring (11), and exhaust ports is provided with seal ring (12) in the valve body chamber.
5, antistaling cabinet according to claim 1 is characterized in that: on the doorframe of vacuum chamber or the sealing band (28) of door on the body have groove (29), non-drying sealant is set in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111581 CN1099987C (en) | 1998-11-20 | 1998-11-20 | Antistaling cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98111581 CN1099987C (en) | 1998-11-20 | 1998-11-20 | Antistaling cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1254670A CN1254670A (en) | 2000-05-31 |
| CN1099987C true CN1099987C (en) | 2003-01-29 |
Family
ID=5221553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98111581 Expired - Fee Related CN1099987C (en) | 1998-11-20 | 1998-11-20 | Antistaling cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1099987C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454789B (en) * | 2010-10-21 | 2016-09-14 | 博西华家用电器有限公司 | Sealing member, vacuum chamber and refrigerating plant |
-
1998
- 1998-11-20 CN CN 98111581 patent/CN1099987C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1254670A (en) | 2000-05-31 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |