CN107323724B - Liftable vacuum fresh-keeping machine - Google Patents
Liftable vacuum fresh-keeping machine Download PDFInfo
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- CN107323724B CN107323724B CN201710681430.8A CN201710681430A CN107323724B CN 107323724 B CN107323724 B CN 107323724B CN 201710681430 A CN201710681430 A CN 201710681430A CN 107323724 B CN107323724 B CN 107323724B
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- box body
- storage tank
- liquid storage
- adapter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
A liftable vacuum fresh-keeping machine comprises a body, a lifting mechanism, a box body and a pressure relief brake linkage mechanism, wherein a vacuum pump is arranged in the body, a longitudinal guide rail is arranged on the side wall of the body, the lifting mechanism is arranged on the longitudinal guide rail in a sliding manner, the box body is positioned outside the body and connected to the lifting mechanism to move up and down along with the lifting mechanism; the pressure release brake linkage mechanism comprises a pressure release valve seat, an elastic brake block, a driving block and a pressure release valve plate. By arranging the pressure release brake linkage mechanism, when a user needs to vacuumize the fresh-keeping container, the driving block can control the elastic brake block to move forwards, so that the elastic brake block is separated from the outer side wall of the body, the box body moves up and down, and the operation is convenient; because the box body can adjust the position from top to bottom, the box body can vacuumize various different fresh-keeping containers, and compared with the existing vacuum fresh-keeping machine, the application range of the box body is greatly improved.
Description
Technical Field
The invention relates to a fresh-keeping machine, in particular to a liftable vacuum fresh-keeping machine.
Background
The vacuum fresh-keeping machine is an emerging product in recent years, is mainly used for removing part of air (oxygen) in fresh-keeping containers (such as fresh-keeping bags, fresh-keeping boxes and the like), prevents food from contacting with the air, can effectively prevent food from spoiling and deteriorating, and blocks the environment of bacteria breeding, thereby being convenient for better preserving food materials.
However, most of the vacuum fresh-keeping machines in the existing market have single application range, namely, only a single variety of fresh-keeping containers can be vacuumized, and the existing fresh-keeping containers in the market are various, including fresh-keeping bags, various fresh-keeping boxes, fresh-keeping bottles and the like, so that the vacuum fresh-keeping machine with wide application range and convenient operation is required to meet market demands.
Disclosure of Invention
The invention provides a liftable vacuum fresh-keeping machine, which mainly aims to overcome the defect of single application range of the existing vacuum fresh-keeping machine.
In order to solve the technical problems, the invention adopts the following technical scheme:
the liftable vacuum fresh-keeping machine comprises a body, wherein a vacuum pump is arranged in the body, and the liftable vacuum fresh-keeping machine further comprises a lifting mechanism, a box body and a pressure release brake linkage mechanism;
the side wall of the body is provided with a longitudinal guide rail, and the lifting mechanism is arranged on the longitudinal guide rail in a sliding manner;
the box body is positioned outside the body and connected to the lifting mechanism to move up and down along with the lifting mechanism;
the pressure release brake link gear includes:
the pressure relief valve seat is arranged in the box body, the air outlet of the pressure relief valve seat is communicated with the vacuum pump, and the air inlet of the pressure relief valve seat is communicated with the air inlet hole on the box body;
the elastic brake block can be arranged in the box body in a front-back sliding way relative to the body, and the rear end of the elastic brake block is in contact with the outer side wall of the body to limit the lifting mechanism to move up and down;
the driving block is arranged on the box body and is in transmission connection with the elastic brake block, and is used for controlling the elastic brake block to move back and forth;
the pressure relief valve plate is connected to the elastic brake block, moves back and forth along with the elastic brake block, and is covered on a pressure relief opening of the pressure relief valve seat for sealing when the elastic brake block is in contact with the outer side wall of the body.
Further, the lifting mechanism comprises a fixed seat which is connected to the inner side wall of the box body in a locking way and at least one guide wheel which is rotatably arranged on the fixed seat, and the guide wheel is clamped on the longitudinal guide rail and is connected with the longitudinal guide rail in a relative sliding way.
Further, the box body comprises an adapter, an upper box cover and a lower box cover which are connected in an up-down locking mode, a rotating connector is arranged on the lower box cover, the adapter is movably connected in the rotating connector, the adapter is connected with the inner wall of the upper box cover or the lower box cover through a spring, and the air inlet is arranged on the adapter.
Further, the connector is further provided with a liquid storage tank below the box body, the liquid storage tank is detachably clamped on the connector, and a sealing ring is further arranged at the joint of the liquid storage tank and the connector.
Further, the liquid storage tank comprises a liquid storage tank body, a liquid storage tank lower cover and a head sealing gasket which are sequentially connected from top to bottom, a liquid storage tank is arranged in the liquid storage tank body, the upper side of the liquid storage tank is connected with the adapter in a clamping mode, and after the box body descends, the head sealing gasket can be in butt joint with an air exhaust hole of a fresh-keeping container placed below the head sealing gasket.
Furthermore, a floating sealing rod which can float up and down along with the liquid is arranged in the liquid storage tank, and the floating sealing rod can be abutted against the air inlet hole for sealing after floating up.
Further, the elastic brake block comprises a pressure spring, a sliding block and a brake pad which are sequentially connected from front to back, the pressure spring is arranged in the front-back direction, one end of the pressure spring is connected to the inner wall of the box body, and the sliding block can be embedded in the box body in a front-back sliding manner.
Further, the driving block is embedded on the side wall of the box body in a left-right sliding manner, a chute is formed in the position, opposite to the driving block, of the sliding block, one end of the driving block extends out of the box body, and the other end of the driving block can extend to be in contact with the chute; and pressing the driving block to enable the driving block to push the sliding block to compress the pressure spring.
Further, the pressure release valve plate is connected between the pressure spring and the sliding block, and a silica gel pad is further arranged on the pressure release valve plate and can block the pressure release opening along with the movement of the pressure release valve plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple structure and strong practicability, and by arranging the pressure release brake linkage mechanism, when a user needs to vacuumize the fresh-keeping container, the elastic brake block can be controlled to move forwards through the driving block, so that the elastic brake block is separated from the outer side wall of the body, the box body moves up and down, and the operation is convenient; because the box body can adjust the position from top to bottom, the box body can vacuumize various different fresh-keeping containers, and compared with the existing vacuum fresh-keeping machine, the application range of the box body is greatly improved.
2. According to the invention, the adapter is connected with the inner wall of the upper box cover or the lower box cover through the spring, so that the adapter can move up and down, tilt left and right and tilt front and back in the adapter, and the invention can also vacuumize a fresh-keeping container with uneven upper surface, thereby further improving the application range.
3. Because the fresh-keeping container to be vacuumized possibly contains liquid such as meal juice, the liquid in the liquid storage tank can flow into the liquid storage tank for storage when vacuumized by arranging the liquid storage tank, and the liquid cannot be pumped into a vacuum pump to influence the work of the vacuum pump.
4. According to the invention, the floating sealing rod is arranged, so that when the liquid level in the liquid storage tank rises to a certain value, the floating sealing rod can float up to block the air inlet hole on the adapter, thereby stopping vacuumizing and avoiding excessive liquid in the liquid storage tank from being pumped into the vacuum pump.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of a split structure of the body according to the present invention.
Fig. 3 is a schematic diagram of a split structure of the box body and the liquid storage tank according to the invention.
Fig. 4 is a schematic diagram of a split structure of the pressure release brake linkage mechanism according to the present invention.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Reference is made to fig. 1, 2, 3 and 4. A liftable vacuum fresh-keeping machine comprises a body 1, a lifting mechanism 2, a box body 3, a pressure release brake linkage mechanism 4 and a liquid storage tank 5, wherein a vacuum pump 6 is arranged in the body 1. Wherein, the liquid crystal display device comprises a liquid crystal display device,
the body 1 is formed by connecting a front cover plate 11, a rear cover plate 12, a middle cover plate 13 and a lower cover plate 14 through bolts, a longitudinal groove 15 is formed in the front cover plate 11, a longitudinal guide rail 16 is arranged on the rear side of the longitudinal groove 15, a track baffle 17 is arranged on the front side of the longitudinal groove 15, the track baffle 17 has the function of reducing the probability that dirt such as dust enters the longitudinal guide rail 16, the service life of the lifting mechanism is prolonged, and the lifting mechanism 2 is slidably arranged on the longitudinal guide rail 16;
the box body 3 is positioned outside the body 1 and is connected to the lifting mechanism 2 to move up and down along with the lifting mechanism 2;
the pressure release brake linkage 4 includes:
the pressure relief valve seat 41 is fixedly arranged in the box body 3 through locking of bolts, and an air outlet 411 of the pressure relief valve seat is communicated with the vacuum pump 6 and an air inlet 412 of the pressure relief valve seat is communicated with an air inlet hole 31 on the box body 3; specifically, the air outlet 411 is communicated with the vacuum pump 6 through a long silica gel tube 413, and the air inlet 412 is communicated with the air inlet 31 through a short silica gel tube 414;
an elastic brake block 42 slidably mounted in the box body 3 back and forth with respect to the body 1, wherein the rear end of the elastic brake block 42 abuts against the outer side wall of the body (specifically against the front cover plate 11 of the body) to limit the up-and-down movement of the lifting mechanism 2;
the driving block 43 is arranged on the box body 3 and is in transmission connection with the elastic brake block 42, and is used for controlling the elastic brake block 42 to move back and forth;
the pressure release valve plate 44 is connected to the elastic brake block 42, moves back and forth along with the elastic brake block, and covers the pressure release opening 415 of the pressure release valve seat 41 to seal when the elastic brake block 42 is abutted against the outer side wall of the body 1.
By arranging the pressure release brake linkage mechanism 4, when a user needs to vacuumize the fresh-keeping container, the driving block 43 can control the elastic brake block 42 to move forwards, so that the elastic brake block 42 is separated from the outer side wall of the body 1, the box body 3 moves up and down, and the operation is convenient; because the box body 3 can adjust the position from top to bottom, the vacuum can be pumped for various different fresh-keeping containers, and compared with the existing vacuum fresh-keeping machine, the application range of the vacuum fresh-keeping machine is greatly improved.
Reference is made to fig. 1, 2, 3 and 4. Specifically, the lifting mechanism 2 comprises a fixed seat 21 in locking connection with the inner side wall of the box body 3 and at least one guide wheel 22 rotatably arranged on the fixed seat 21, wherein the guide wheel 22 is clamped on the longitudinal guide rail 16 and is in sliding connection with the longitudinal guide rail. In this embodiment, the fixing seat 21 has an inverted L shape, and the longitudinal portion 211 thereof is located in the body 1, and the transverse portion 212 extends to the outside of the body 1 to be in locking connection with the inner side wall of the case 3; the number of guide wheels 22 is four and is equally distributed on both sides of the longitudinal portion 211, and bearings may be used as the guide wheels 22.
Reference is made to fig. 1, 2, 3 and 4. The box body 3 comprises an adapter 32, an upper box cover 33 and a lower box cover 34 which are connected in an up-down locking manner, wherein the lower box cover 34 is provided with an adapter 341, the adapter 32 is movably connected in the adapter 341, the adapter 32 is connected with the inner wall of the upper box cover 33 or the lower box cover 34 through a spring 35, and the air inlet hole 31 is formed in the adapter 32. If the adapter 32 is connected with the upper box cover 33, the spring 35 is a compression spring, and if the adapter 32 is connected with the lower box cover 34, the spring 35 is a tension spring; in this embodiment, the spring 35 is a compression spring that is vertically disposed, and the upper end of the spring 35 is connected to the inner wall of the upper case cover 33. Through the arrangement that the adapter 32 is connected with the inner wall of the upper box cover 33 or the lower box cover 34 through the spring 35, the adapter 32 can move up and down in the adapter, can tilt left and right and tilt front and back, and can vacuumize a fresh-keeping container with uneven upper surface, so that the application range is further improved.
Reference is made to fig. 1, 2, 3 and 4. The liquid storage tank 5 is detachably clamped on the adapter 32, and a sealing ring 36 is further arranged at the joint of the liquid storage tank 5 and the adapter 32.
Reference is made to fig. 1, 2, 3 and 4. Specifically, the liquid storage tank 5 includes a liquid storage tank body 51, a liquid storage tank lower cover 52, a head sealing pad 53 and a sponge pad 54 which are sequentially connected from top to bottom, a liquid storage tank 55 is arranged in the liquid storage tank body 51, and the liquid storage tank 55 is clamped with the adapter 32 in a specific clamping manner: the outer ring side of the adapter 32 is provided with a convex buckle 321, and the inner ring side of the liquid storage tank 55 is provided with a concave clamping groove 551. After the box body 3 descends, the head sealing gasket 53 can be in butt joint with the air suction hole of the fresh-keeping container placed below the box body. Because the fresh-keeping container to be vacuumized possibly contains liquid such as meal juice, the liquid in the liquid storage tank 5 can flow into the liquid storage tank 5 for storage when vacuumized, and the liquid cannot be pumped into the vacuum pump 6 to influence the work of the fresh-keeping container. In addition, the lower cover 52 of the liquid storage tank is provided with a PC pipe 521 which can pass through the gas, the PC pipe 521 extends into the liquid storage tank 55, the lower cover 52 of the liquid storage tank is connected with the main body 51 of the liquid storage tank in a sealing way, and therefore the gas directly passes through the PC pipe 521 to enter the liquid storage tank 55; the function of the foam-rubber cushion 54 is to provide a buffering force to avoid crushing the fresh-keeping container; a micro switch 37 is also arranged in the box body 3 and is used for checking whether the head sealing gasket 53 presses the fresh-keeping container or not; when in pumping, the gas in the fresh-keeping container sequentially passes through the head sealing gasket 53 and the liquid storage tank lower cover 52 and enters the liquid storage tank 55, and the liquid storage tank 55 is sealed under the action of the sealing ring 36, so that the gas immediately enters the air inlet hole 31 and then sequentially passes through the short silica gel tube 414, the pressure relief valve seat 41, the long silica gel tube 413 and finally enters the vacuum pump 6 to finish vacuumizing.
Reference is made to fig. 1, 2, 3 and 4. A floating sealing rod 56 which can float up and down along with the liquid is arranged in the liquid storage tank 5, and the floating sealing rod 56 can contact with the air inlet hole 31 for sealing after floating up; in order to make the floating seal rod 56 float up and down accurately, a floating block 57 is also installed in the liquid storage tank 5, and the floating seal rod 56 is embedded in the floating block 57 in a vertically sliding manner. By arranging the floating sealing rod 56, when the liquid level in the liquid storage tank 5 rises to a certain value, the floating sealing rod 56 can float upwards to block the air inlet hole 31 on the adapter 32, so that the vacuumizing is stopped, and the phenomenon that excessive liquid in the liquid storage tank 55 is pumped into the vacuum pump 6 is avoided.
Reference is made to fig. 1, 2, 3 and 4. The elastic brake block 42 comprises a pressure spring 421, a slide block 422 and a brake pad 423 which are sequentially connected from front to back, wherein the pressure spring 421 is arranged in the front-back direction, one end of the pressure spring 421 is connected to the inner wall of the box body 3, and the slide block 422 can be embedded in the box body 3 in a front-back sliding manner; specifically, the slider 422 is slidably embedded in the upper case cover 33, and the front end of the compression spring 421 is connected to the inner wall of the upper case cover 33.
Reference is made to fig. 1, 2, 3 and 4. The driving block 43 is embedded on the side wall of the box body 3 in a left-right sliding way, a chute 424 is arranged at the position of the sliding block 422 opposite to the driving block 43, one end of the driving block 43 extends out of the box body 3, and the other end of the driving block 43 can extend to be in contact with the chute 424; pressing the driving block 43 can make the driving block push the sliding block to compress the compression spring 421; the end of the driving block 43, which is abutted against the chute 424, is provided with an inclined surface 431, and the inclined surface 431 is matched with the inclination of the chute 424, so that when the driving block 43 is pressed, the inclined surface 431 can be smoothly abutted against the chute 424, and the service life of the equipment is prolonged. In this embodiment, the number of the elastic brake blocks 42 and the driving blocks 43 is two, and the two blocks are respectively disposed on the left and right sides of the upper case cover 33, so as to facilitate the operation of the user. Although the driving block 43 is controlled by a manual machine in the present invention, it may be controlled by an electric machine.
Reference is made to fig. 1, 2, 3 and 4. The pressure release valve plate 44 is connected between the pressure spring 421 and the slider 422, and a silica gel pad 45 is further installed on the pressure release valve plate 44, and the silica gel pad 45 can block the pressure release opening 415 along with the movement of the pressure release valve plate 44.
Reference is made to fig. 1, 2, 3 and 4. The application method of the invention comprises the following steps:
1. placing the fresh-keeping container to be vacuumized below the box body 3, pressing the driving block 43, enabling the sliding block 422 to compress the pressure spring 421, enabling the brake pad 423 to leave the outer side wall of the body 1, pushing the box body 3 to descend, and enabling the head sealing pad 53 to be in butt joint with the air suction hole of the fresh-keeping container;
2. releasing the driving block 43 to enable the brake pad 423 to collide with the outer side wall of the body 1 again to fix the position of the box body, and simultaneously, the pressure relief valve plate 44 blocks the pressure relief opening 415 on the pressure relief valve seat 41 through the silica gel pad 45 thereon;
3. starting the vacuum pump 6, enabling the gas in the fresh-keeping container to sequentially pass through the head sealing gasket 53, the liquid storage tank lower cover 52, the liquid storage tank 55, the air inlet hole 31, the short silica gel tube 414, the pressure relief valve seat 41, the long silica gel tube 413 and finally enter the vacuum pump 6 to finish vacuumizing; and during the pumping process, the liquid in the gas flows into the liquid storage tank 55 for storage;
4. after the vacuum pumping is finished, the driving block 43 is pressed again, the pressure relief valve plate 44 is separated from the pressure relief opening 415 to finish pressure relief, the brake pad 423 is separated from the outer side wall of the body 1, the box body 3 is pushed to rise to the initial position, and the driving block 43 is released to wait for the next use.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (5)
1. The utility model provides a liftable vacuum fresh-keeping machine, includes the body, the built-in vacuum pump that is equipped with of body, its characterized in that: the device also comprises a lifting mechanism, a box body and a pressure release brake linkage mechanism;
the side wall of the body is provided with a longitudinal guide rail, and the lifting mechanism is arranged on the longitudinal guide rail in a sliding manner;
the box body is positioned outside the body and connected to the lifting mechanism to move up and down along with the lifting mechanism; the box body comprises an adapter, an upper box cover and a lower box cover which are connected in an up-down locking manner, wherein the lower box cover is provided with an adapter opening, the adapter is movably connected in the adapter opening, and the adapter is connected with the inner wall of the upper box cover or the lower box cover through a spring;
the pressure release brake link gear includes:
the pressure relief valve seat is arranged in the box body, the air outlet of the pressure relief valve seat is communicated with the vacuum pump, the air inlet of the pressure relief valve seat is communicated with the air inlet hole on the box body, and the air inlet hole is formed in the adapter;
the elastic brake block can be arranged in the box body in a front-back sliding way relative to the body, and the rear end of the elastic brake block is in contact with the outer side wall of the body to limit the lifting mechanism to move up and down;
the driving block is arranged on the box body and is in transmission connection with the elastic brake block, and is used for controlling the elastic brake block to move back and forth;
the pressure relief valve plate is connected to the elastic brake block, moves back and forth along with the elastic brake block, and is covered on a pressure relief opening of the pressure relief valve seat for sealing when the elastic brake block is in contact with the outer side wall of the body;
the liquid storage tank is detachably clamped on the adapter, and a sealing ring is further arranged at the joint of the liquid storage tank and the adapter; the liquid storage tank comprises a liquid storage tank body, a liquid storage tank lower cover and a head sealing gasket which are sequentially connected from top to bottom, a liquid storage tank is arranged in the liquid storage tank body, the upper side of the liquid storage tank is connected with the adapter in a clamping manner, and after the box body descends, the head sealing gasket can be in butt joint with an air suction hole of a fresh-keeping container arranged below the head sealing gasket; the floating sealing rod capable of floating up and down along with the liquid is arranged in the liquid storage tank, the floating sealing rod can be abutted against the air inlet hole to seal after floating up, a floating block is also arranged in the liquid storage tank, and the floating sealing rod can be embedded in the floating block in an up-down sliding manner.
2. The liftable vacuum fresh-keeping machine of claim 1, wherein: the lifting mechanism comprises a fixed seat which is connected to the inner side wall of the box body in a locking way and at least one guide wheel which is rotatably arranged on the fixed seat, and the guide wheel is clamped on the longitudinal guide rail and is connected with the longitudinal guide rail in a relative sliding way.
3. The liftable vacuum fresh-keeping machine of claim 1, wherein: the elastic brake block comprises a pressure spring, a sliding block and a brake pad which are sequentially connected from front to back, wherein the pressure spring is arranged in the front-to-back direction, one end of the pressure spring is connected to the inner wall of the box body, and the sliding block can be embedded in the box body in a front-to-back sliding manner.
4. A liftable vacuum fresh-keeping machine according to claim 3, wherein: the driving block can be embedded on the side wall of the box body in a left-right sliding manner, a chute is formed in the position, opposite to the driving block, of the sliding block, one end of the driving block extends out of the box body, and the other end of the driving block can extend to be in contact with the chute; and pressing the driving block to enable the driving block to push the sliding block to compress the pressure spring.
5. A liftable vacuum fresh-keeping machine according to claim 3, wherein: the pressure relief valve block is connected between the pressure spring and the sliding block, and a silica gel pad is further arranged on the pressure relief valve block and can block the pressure relief opening along with the movement of the pressure relief valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681430.8A CN107323724B (en) | 2017-08-10 | 2017-08-10 | Liftable vacuum fresh-keeping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681430.8A CN107323724B (en) | 2017-08-10 | 2017-08-10 | Liftable vacuum fresh-keeping machine |
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| Publication Number | Publication Date |
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| CN107323724A CN107323724A (en) | 2017-11-07 |
| CN107323724B true CN107323724B (en) | 2023-05-12 |
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| CN201710681430.8A Active CN107323724B (en) | 2017-08-10 | 2017-08-10 | Liftable vacuum fresh-keeping machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207434172U (en) * | 2017-11-09 | 2018-06-01 | 东莞市优之爱电器实业有限公司 | A kind of vacuum slot and preservation device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10348119A1 (en) * | 2003-10-16 | 2005-05-25 | Braun Gmbh | System for evacuating vessels in food production comprises vacuum pump connected to evacuation channel on vessel which is fitted with non-return valve, control valve on channel outlet being opened by conical surface in pump connector |
| CN203815313U (en) * | 2014-03-14 | 2014-09-10 | 九阳股份有限公司 | Vacuum food processing machine |
| CN204120771U (en) * | 2014-06-09 | 2015-01-28 | 曾翠南 | A kind of juice extractor at a slow speed with vacuum freshness retaining function |
| WO2015194750A1 (en) * | 2014-06-18 | 2015-12-23 | 씨티엠(주) | Vacuum mixer and operation method therefor |
| WO2016159446A1 (en) * | 2015-03-30 | 2016-10-06 | (주)제이월드텍 | Mixer |
| CN105982504B (en) * | 2015-11-10 | 2018-07-10 | 江门市贝尔斯顿电器有限公司 | A kind of vacuum suction prepares the method for food juice and vacuum suction cooking machine |
| CN107019445B (en) * | 2017-05-27 | 2023-05-02 | 梁枝 | Vacuum pipe rack device of vacuum wall breaking machine capable of manually adjusting lifting |
| CN207029652U (en) * | 2017-08-10 | 2018-02-23 | 厦门优尔电器股份有限公司 | A kind of liftable vacuum fresh-keeping device |
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