CN109210848A - A kind of refrigerator-freezer that anti-negative pressure sucks - Google Patents
A kind of refrigerator-freezer that anti-negative pressure sucks Download PDFInfo
- Publication number
- CN109210848A CN109210848A CN201810785732.4A CN201810785732A CN109210848A CN 109210848 A CN109210848 A CN 109210848A CN 201810785732 A CN201810785732 A CN 201810785732A CN 109210848 A CN109210848 A CN 109210848A
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- Prior art keywords
- wall
- cabinet body
- type pipe
- negative pressure
- refrigerator
- 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.)
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/026—Doors; Covers for open-top cabinets
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a kind of refrigerator-freezers that anti-negative pressure sucks, the flip lid for being equipped with the cabinet body of idler wheel including lower wall and being rotatablely connected with cabinet body upper side wall, the lower wall of the cabinet body is integrally formed with inserted block, the upper side wall of the cabinet body is equipped with the slot to match with inserted block size position, and the interior bottom of the slot, which is equipped with, prevents moving down mechanism.Advantage is: the present invention in cabinet body by being arranged magnetorheological fluid and iron staff, hot-wire coil is set on flip lid, magnetorheological fluid is impacted by the magnetic field formed between hot-wire coil and iron staff, it renovates caused by under the conditions of subnormal ambient and persistently moves down, change magnetorheological fluid from low-flow to illiquidity by magnetic field, so that flip lid be hindered to move down, negative-pressure sucking is offset, it ensure that flip lid is not sucked by negative pressure, facilitate the opening of flip lid.
Description
Technical field
The present invention relates to refrigerator-freezer technical field more particularly to a kind of refrigerator-freezers that anti-negative pressure sucks.
Background technique
Refrigerator-freezer is a kind of equipment saved and then cooling down to gas to article, generally by cabinet body and flip lid
Composition, and there is freezing chamber and refrigerating chamber, it is widely used in family or market.
Since the inside of refrigerator-freezer is to realize cooling storage, while gas cools down, interior of the cabinet by the cooling of gas
Gas volume contraction, negative pressure is formed in cabinet body, attracting flip lid to move down makes mutually to be adjacent between flip lid and cabinet body, into
The pull-up that the power for needing flower very big when the opening of row flip lid is renovated, could will renovate pull-up, very troublesome.
For this purpose, we have proposed a kind of refrigerator-freezers that anti-negative pressure sucks to solve the above problems.
Summary of the invention
The purpose of the present invention is to solve the problems in background techniques, and the refrigerator-freezer that a kind of anti-negative pressure proposed sucks.
To achieve the goals above, present invention employs following technical solutions: a kind of refrigerator-freezer that anti-negative pressure sucks, including under
Side wall is equipped with the cabinet body of idler wheel and the flip lid with the rotation connection of cabinet body upper side wall, and the lower wall of the cabinet body is integrally formed with slotting
Block, the upper side wall of the cabinet body are equipped with the slot to match with inserted block size position, and the interior bottom of the slot is equipped with anti-move down
Mechanism.
It is described to prevent that moving down mechanism includes being fixedly connected with bottom in slot in the refrigerator-freezer that a kind of above-mentioned anti-negative pressure sucks
Some T-type pipes are fixedly connected with the iron staff being vertically arranged in the T-type pipe, slidably connect slide plate on the outer wall of the iron staff,
The outer wall of the slide plate is opposite with the inner wall of T-type pipe to be slidably connected, and the inside of the T-type pipe is filled with magnetorheological fluid, the cunning
The upper side wall of plate is fixedly connected there are two connecting rod, and the upper side wall that T-type pipe is run through in the upper end of two connecting rods extends to T
The outside of type pipe is simultaneously connected with limit plate, and the lower wall of the inserted block is offered to match with the jag size position of T-type pipe
Groove, the inside of the inserted block is equipped with hot-wire coil, and the hot-wire coil is located at the outside of groove.
In the refrigerator-freezer that a kind of above-mentioned anti-negative pressure sucks, the inside of the cabinet body is opened up there are two mounting groove, two institutes
The two sides that mounting groove is located at slot are stated, air bag is mounted in each mounting groove, is slided on the inner wall of each air bag
Dynamic to be connected with sliding panel, two sliding panels are fixedly connected to mobile bar, each mobile bar close to the side of slot
The side wall that mounting groove, slot and T-type pipe are run through in one end far from sliding panel extends to the inside of T-type pipe and is fixedly connected with shifting
Movable plate, inner wall of the outer wall of each movable plate with T-type pipe are slidably connected, and the magnetorheological fluid is located at the lower wall of slide plate
With two movable plates far between the side side wall of mobile bar.
In the refrigerator-freezer that a kind of above-mentioned anti-negative pressure sucks, there are two strainer, two institutes for installation on the inner wall of the T-type pipe
State the inside that strainer is located at two movable plates.
In the refrigerator-freezer that a kind of above-mentioned anti-negative pressure sucks, it is arranged on the outer wall of the slide plate, sliding panel and movable plate
There is sliding ring.
It is described to prevent that moving down mechanism includes the card for being provided with cabinet body upper side wall in the refrigerator-freezer that a kind of above-mentioned anti-negative pressure sucks
Slot, the lower wall of the flip lid are equipped with the fixture block to match with card slot size position, and the fixture block is internally provided with permanent magnet,
The inner bottom wall of the card slot is fixedly connected with mounting blocks, and the mounting blocks are internally provided with electromagnet.
In the refrigerator-freezer that a kind of above-mentioned anti-negative pressure sucks, switch, the electromagnet are installed on the outer wall of the cabinet body
It is connected with switch by conducting wire, the switch is connect by conducting wire with external power supply.
Compared with prior art, the refrigerator-freezer stable structure that this anti-negative pressure sucks, design is scientific and reasonable, and specific advantage exists
In:
1, slot, inserted block, hot-wire coil, iron staff, connecting rod, slide plate and magnetorheological fluid are set, slot is inserted by inserted block
The connection between flip lid and cabinet body is inside carried out, in the environment of negative pressure caused by low temperature, flip lid continues to move down, hot-wire coil and iron
Magnetic field between stick influences magnetorheological fluid, and magnetorheological fluid is changed from mobility to illiquidity, hinders slide plate to move down, while to cunning
Plate has a upward resistance, and the negative-pressure sucking caused by cabinet body low temperature carries out certain counteracting, facilitates the opening of flip lid；
2, strainer, air bag, mobile bar, movable plate and sliding panel are set, and when slide plate moves down, magnetorheological fluid passes through strainer toward two
Side is mobile to squeeze the gas that sliding panel, connecting rod and movable plate are mobile, in sliding panel extruding gasbag, when magnetorheological fluid be changed into it is non-
When the state transformation of mobility, magnetorheological fluid no longer passes through strainer, thus formed to upper resistance, when flip lid has turned, magnetic current
Become liquid to restore, the gas of air bag contract restores to push movable plate and sliding panel mobile, and magnetorheological fluid restores original state；
3, sliding ring is set, avoids magnetic current by the way that sliding ring is arranged on slide plate, sliding panel and movable plate
Become the gas leakage in liquid and air bag, ensure that the anti-normal operation for moving down mechanism.
In conclusion hot-wire coil is arranged on flip lid, leads to by the way that magnetorheological fluid and iron staff are arranged in cabinet body by the present invention
The magnetic field formed between hot-wire coil and iron staff is crossed to impact magnetorheological fluid, under the conditions of subnormal ambient caused by renovate and hold
It is continuous to move down, change magnetorheological fluid from low-flow to illiquidity by magnetic field, to hinder flip lid to move down, to negative-pressure sucking
It is offset, ensure that flip lid is not sucked by negative pressure, facilitate the opening of flip lid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one proposed by the present invention；
Fig. 2 is the enlarged diagram of part A mechanism in embodiment one proposed by the present invention；
Fig. 3 is the structural schematic diagram of embodiment two proposed by the present invention.
In figure: 1 cabinet body, 2 flip lids, 3 slots, 4 inserted blocks, 5T type pipe, 6 grooves, 7 hot-wire coils, 8 iron staffs, 9 slide plates, 10 connect
Extension bar, 11 limit plates, 12 magnetorheological fluids, 13 strainers, 14 mounting grooves, 15 air bags, 16 sliding panels, 17 mobile bars, 18 movable plates, 19
Fixture block, 20 permanent magnets, 21 card slots, 22 permanent magnets, 23 electromagnet, 24 switches.
Specific embodiment
Following embodiment only exists in illustrative purpose, limits the scope of the invention without being intended to.
Embodiment one:
Referring to Fig.1-2, a kind of refrigerator-freezer that anti-negative pressure sucks, including lower wall be equipped with idler wheel cabinet body 1 and with the upside of cabinet body 1
The flip lid 2 of wall rotation connection, integrally formed with inserted block 4, the upper side wall of cabinet body 1 is equipped with and 4 size position of inserted block the lower wall of cabinet body 1
The slot 3 to match is set, guarantees that inserted block 4 can be properly inserted to the inside of slot 3, the interior bottom of slot 3, which is equipped with, prevents moving down mechanism.
Prevent that moving down mechanism includes the T-type pipe 5 being fixedly connected with bottom in slot 3, it is vertical to be fixedly connected in T-type pipe 5
The iron staff 8 of setting slidably connects slide plate 9, the outer wall of slide plate 9 company of sliding opposite with the inner wall of T-type pipe 5 on the outer wall of iron staff 8
Connect, the inside of T-type pipe 5 is filled with magnetorheological fluid 12, and magnetorheological fluid 12 belongs to controlled fluid, be studied in intellectual material it is more active
One, magnetorheological fluid 12 is mixed by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetic liquid
Suspended substance, this suspended substance shows low viscosity, the Newtonian fluid characteristic of high fluidity under zero magnetic field condition；And in strong magnetic
Under field action, then high viscosity, the characteristic of low-flow are showed, and rheology of the magnetorheological fluid 12 under magnetic fields is moment
, it is reversible, and it has stable corresponding relationship with magnetic field strength, therefore is a kind of widely used, function admirable intelligence
It can material.
The upper side wall of slide plate 9 is fixedly connected there are two connecting rod 10, and T-type pipe 5 is run through in the upper end of two connecting rods 10
Upper side wall extends to the outside of T-type pipe 5 and is connected with limit plate 11, and setting limit plate 11 avoids connecting rod 10 and slides into T-type
The inside of pipe 5, the lower wall of inserted block 4 offer the groove 6 to match with the jag size position of T-type pipe 5, inserted block 4 it is interior
Portion is equipped with hot-wire coil 7, and hot-wire coil 7 is located at the outside of groove 6, and iron staff 8 is arranged in T-type pipe 5 can pass through hot-wire coil 7
Iron staff 8 is magnetized, the size in magnetic field is increased, generally by magnetic close between the cabinet body 1 and flip lid 2 in refrigerator-freezer in the prior art
Strip of paper used for sealing carries out absorption fixation, and hot-wire coil 7 generates magnetic field after being powered, when the inside of cabinet body 1, which carries out work, makes air cooling-down, cabinet
The inside of body 1 forms absorption, and flip lid 2 moves down, and squeezes limit plate 11 and connecting rod 1 moves down, pass through moving down for slide plate 9
Magnetorheological fluid 12 is squeezed to flow toward two sides.
The inside of cabinet body 1 is opened up there are two mounting groove 14, and two mounting grooves 14 are located at the two sides of slot 3, each mounting groove
It is mounted on air bag 15 in 14, sliding panel 16 is slidably connected on the inner wall of each air bag 15, two sliding panels 16 are close to slotting
The side of slot 3 is fixedly connected to mobile bar 17, and each one end of mobile bar 17 far from sliding panel 16 is run through mounting groove 14, inserted
The side wall of slot 3 and T-type pipe 5 extends to the inside of T-type pipe 5 and is fixedly connected with movable plate 18, and the outer wall of each movable plate 18 is equal
It is slidably connected with the inner wall of T-type pipe 5, is arranged with sliding ring on the outer wall of slide plate 9, sliding panel 16 and movable plate 18, if
It sets sliding ring and avoids and magnetorheological fluid 12 occur when slide plate 9 and movable plate 18 slide in T-type pipe 5 and be spilled over to slide plate 9
The phenomenon that upside and movable plate 18 are close to the side of air bag 15.
Lower wall that magnetorheological fluid 12 is located at slide plate 9 and two movable plates 18 are far between the side side wall of mobile bar 17, T
There are two strainer 13, two strainers 13 are located at the inside of two movable plates 18 for installation on the inner wall of type pipe 5, and setting strainer 13 is convenient for
The flowing of magnetorheological fluid 12, under subnormal ambient caused by the inside of cabinet body 1 is because of low temperature, 2 extruding slide plates 9 of flip lid are moved down, and are squeezed
Magnetorheological fluid 12 is flowed by strainer toward two sides, and the movement of movable plate 18 is squeezed, and sliding panel 16 slides in air bag 15, squeezes gas
Body continues to be displaced downwardly to when magnetic field is enough to influence magnetorheological fluid 12 between hot-wire coil 7 and iron staff 8, and magnetorheological fluid 12 is by fluid
State changes to the state of the almost solid of low-flow, and magnetorheological fluid 12 is no longer by strainer 13, to hinder under slide plate 9
It moves, while having a upward resistance to slide plate 9, flip lid 2 is avoided to continue to move down and be adjacent to the lower wall of cabinet body 1, it is convenient
The opening of flip lid 2, when rising for 2 turns of flip lid, magnetorheological fluid 12 is changed from low-flow to high fluidity, the gas squeezed in air bag 15
Body pushes sliding panel 16, mobile bar 17 and movable plate 18 mobile, and magnetorheological fluid 12 is flowed by strainer 13, restores original
State.
In the present embodiment: inserted block 4 caused by negative pressure moves down, and the magnetic field between hot-wire coil 7 and iron staff 8 is made to influence magnetic current
Become liquid 12, so that the state of almost solid of the magnetorheological fluid 12 from high fluidity to low-flow be made to change, magnetorheological fluid 12 is not
Again by strainer 13, to have a upward resistance to slide plate 9, inserted block 4 is hindered to be moved down, with adsorption capacity caused by negative pressure
It is offset, it is therefore prevented that flip lid 2 is adjacent to cabinet body 1.
Embodiment two:
Referring to Fig. 3, a kind of refrigerator-freezer that anti-negative pressure sucks, including lower wall be equipped with idler wheel cabinet body 1 and with 1 upper side wall of cabinet body
The flip lid 2 of rotation connection, integrally formed with inserted block 4, the upper side wall of cabinet body 1 is equipped with and 4 size position of inserted block the lower wall of cabinet body 1
The slot 3 to match, the interior bottom of slot 3, which is equipped with, prevents moving down mechanism.
Anti- to move down mechanism include the card slot 21 for being provided with 1 upper side wall of cabinet body, renovates 1 lower wall and is equipped with and 21 size of card slot
The fixture block 19 that position matches, fixture block 19 are internally provided with permanent magnet 20, and the inner bottom wall of card slot 21 is fixedly connected with mounting blocks
23, mounting blocks 23 are internally provided with electromagnet 23, are equipped with switch 24 on the outer wall of cabinet body 1, electromagnet 23 by conducting wire with
Switch 24 connects, and switch 24 is connect by conducting wire with external power supply, and push switch 24 makes electromagnet 23 generate magnetism, in electric current
Flow direction is certain, the magnetism that electromagnet 23 generates on permanent magnet 20 it is magnetic it is opposite under conditions of, renovate 2 in the environment of negative pressure and
When the upper side wall of cabinet body 1 sucks, by push switch 24, flip lid 2 is made to overcome negative-pressure sucking conveniently to turn over by magnetic repulsion force
Lid 2 carries out bouncing opening.
In the present embodiment: by magnetic force opposite between the electromagnet 23 and permanent magnet 20 of energization to flip lid 2 with cabinet body 1 it
Between negative-pressure sucking offset, facilitate flip lid 2 to turn.
Although cabinet body 1, flip lid 2, slot 3, inserted block 4, T-type pipe 5, groove 6, hot-wire coil 7, iron is used more herein
Stick 8, slide plate 9, connecting rod 10, limit plate 11, magnetorheological fluid 12, strainer 13, mounting groove 14, air bag 15, sliding panel 16, mobile bar
17, the terms such as movable plate 18, fixture block 19, permanent magnet 20, card slot 21, permanent magnet 2, electromagnet 23, switch 24, but be not precluded and make
A possibility that with other terms.The use of these items is only for be more convenient to describe and explain essence of the invention；It
To be construed to any additional limitation disagreed with spirit of that invention.
Claims (7)
1. a kind of refrigerator-freezer that anti-negative pressure sucks is equipped with the cabinet body (1) of idler wheel including lower wall and rotates company with cabinet body (1) upper side wall
The flip lid (2) connect, which is characterized in that the lower wall of the cabinet body (1) is integrally formed with inserted block (4), the upside of the cabinet body (1)
Wall is equipped with the slot (3) to match with inserted block (4) size position, and the interior bottom of the slot (3), which is equipped with, prevents moving down mechanism.
2. the refrigerator-freezer that a kind of anti-negative pressure according to claim 1 sucks, which is characterized in that it is described it is anti-move down mechanism include with
The T-type pipe (5) that slot (3) interior bottom is fixedly connected with, the T-type pipe (5) is interior to be fixedly connected with the iron staff (8) being vertically arranged,
It is slidably connected slide plate (9) on the outer wall of the iron staff (8), the outer wall of the slide plate (9) is opposite with the inner wall of T-type pipe (5) sliding
The inside of dynamic connection, the T-type pipe (5) is filled with magnetorheological fluid (12), there are two the upper side wall of the slide plate (9) is fixedly connected
Connecting rod (10), the upper side wall that T-type pipe (5) is run through in the upper end of two connecting rods (10) extend to the outside of T-type pipe (5)
And limit plate (11) are connected with, the lower wall of the inserted block (4) is offered to match with the jag size position of T-type pipe (5)
Groove (6), the inside of the inserted block (4) is equipped with hot-wire coil (7), and the hot-wire coil (7) is located at the outer of groove (6)
Side.
3. the refrigerator-freezer that a kind of anti-negative pressure according to claim 2 sucks, which is characterized in that open the inside of the cabinet body (1)
If two mounting grooves (14) are located at the two sides of slot (3) there are two mounting groove (14), equal in each mounting groove (14)
It is equipped with air bag (15), is slidably connected sliding panel (16) on the inner wall of each air bag (15), two sliding panels
(16) side close to slot (3) is fixedly connected to mobile bar (17), and each mobile bar (17) is far from sliding panel (16)
One end run through mounting groove (14), slot (3) extends to the inside of T-type pipe (5) with the side wall of T-type pipe (5) and is fixedly connected
Have movable plate (18), inner wall of the outer wall of each movable plate (18) with T-type pipe (5) is slidably connected, the magnetorheological fluid
(12) between the side side wall of lower wall and two movable plates (18) far from mobile bar (17) of slide plate (9).
4. the refrigerator-freezer that a kind of anti-negative pressure according to claim 3 sucks, which is characterized in that on the inner wall of the T-type pipe (5)
There are two strainer (13), two strainers (13) to be located at the inside of two movable plates (18) for installation.
5. the refrigerator-freezer that a kind of anti-negative pressure according to claim 3 sucks, which is characterized in that the slide plate (9), sliding panel
(16) and on the outer wall of movable plate (18) it is arranged with sliding ring.
6. the refrigerator-freezer that a kind of anti-negative pressure according to claim 1 sucks, which is characterized in that the anti-mechanism that moves down includes opening
It is located at the card slot (21) of cabinet body (1) upper side wall, the lower wall of the flip lid (1) is equipped with to match with card slot (21) size position
Fixture block (19), the fixture block (19) are internally provided with permanent magnet (20), and the inner bottom wall of the card slot (21) is fixedly connected with peace
It fills block (23), the mounting blocks (23) are internally provided with electromagnet (23).
7. the refrigerator-freezer that a kind of anti-negative pressure according to claim 6 sucks, which is characterized in that on the outer wall of the cabinet body (1)
It is equipped with switch (24), the electromagnet (23) is connect by conducting wire with switch (24), and the switch (24) is by conducting wire and outside
The connection of portion's power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785732.4A CN109210848B (en) | 2018-07-17 | 2018-07-17 | Anti-negative-pressure tight-suction freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785732.4A CN109210848B (en) | 2018-07-17 | 2018-07-17 | Anti-negative-pressure tight-suction freezer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109210848A true CN109210848A (en) | 2019-01-15 |
| CN109210848B CN109210848B (en) | 2020-09-11 |
Family
ID=64990594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785732.4A Active CN109210848B (en) | 2018-07-17 | 2018-07-17 | Anti-negative-pressure tight-suction freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109210848B (en) |
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| CN110822782A (en) * | 2019-11-28 | 2020-02-21 | 严威 | High-performance vehicle-mounted refrigerator of new energy automobile |
| CN111322803A (en) * | 2020-03-10 | 2020-06-23 | 平顶山学院 | Portable 48 hole low temperature sample hutch |
| CN113615415A (en) * | 2021-09-14 | 2021-11-09 | 杭州植物园(杭州西湖园林科学研究院) | Magnetic grafting replaceable tree grafting device |
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| CN113615415A (en) * | 2021-09-14 | 2021-11-09 | 杭州植物园(杭州西湖园林科学研究院) | Magnetic grafting replaceable tree grafting device |
| CN113615415B (en) * | 2021-09-14 | 2022-06-21 | 杭州植物园(杭州西湖园林科学研究院) | Magnetic grafting replaceable tree grafting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109210848B (en) | 2020-09-11 |
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