CN110344648B - Handle mechanism and ventilation type door body structure - Google Patents

Handle mechanism and ventilation type door body structure Download PDF

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Publication number
CN110344648B
CN110344648B CN201910546652.8A CN201910546652A CN110344648B CN 110344648 B CN110344648 B CN 110344648B CN 201910546652 A CN201910546652 A CN 201910546652A CN 110344648 B CN110344648 B CN 110344648B
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China
Prior art keywords
handle
shell
ventilation
door body
plate
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CN201910546652.8A
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CN110344648A (en
Inventor
张济南
杜成刚
徐光建
寇德龙
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Aucma Co Ltd
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Aucma Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E05B1/0015—Knobs or handles which do not operate the bolt or lock, e.g. non-movable; Mounting thereof
    • 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
    • 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

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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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a handle mechanism, which comprises a front pull cover, a middle handle shell and a rear seal cover, wherein a first vent pipe is arranged in the middle of the middle handle shell, and a ventilation control assembly is arranged in the middle handle shell at the side end of the first vent pipe; the ventilation control assembly comprises a handle control plate, a torsion spring, a handle transmission rod and an air hole blocking piece, the front part of the handle control plate is connected with the front pull cover, the rear part of the handle control plate is connected with the torsion spring, and the outer end part of the handle transmission rod is connected with the handle control plate; the first vent pipe is provided with a first positioning hole and a first vent hole, the inner end of the handle transmission rod is inserted in the first positioning hole, and the inner end of the handle transmission rod is connected with an air hole blocking piece. The invention also discloses a ventilation type door body structure, which adopts the handle mechanism and comprises a door body shell and the handle mechanism, wherein a ventilation connecting pipe connected with the first ventilation pipe is arranged in the door body shell. The ventilation type door body structure can realize the balance of the air inside and outside, and has simple and novel structure.

Description

Handle mechanism and ventilation type door body structure
Technical Field
The invention relates to the field of refrigeration products, in particular to a handle mechanism and a ventilation type door body structure.
Background
Traditional refrigeration product when the door body is opened, the relatively great hot-air of box external pressure gets into the box, and when closing the door body the back, the hot-air that gets into the box becomes cold, and at this moment shrink atmospheric pressure is less than the external air pressure of box, causes the door body to be pushed down by the atmospheric pressure of outside, forms the pressure differential, finally leads to the door body short time to be unable to open. The traditional refrigeration product mostly adopts a one-way ventilation balance valve to solve the negative pressure problem of the door body. The traditional refrigeration product mostly adopts a one-way ventilation balance valve to solve the problem of negative pressure of the door body, and the scheme mainly has three defects, namely, the appearance is not attractive; secondly, the loss of cold energy in the box body is serious, and the product performance cannot be ensured; and thirdly, power consumption is increased.
Disclosure of Invention
The invention aims to provide a handle mechanism which is simple to operate and can realize the communication of air inside and outside a handle.
In order to achieve the purpose, the invention adopts the technical scheme that:
a handle mechanism comprises a front pull cover, wherein the rear end of the front pull cover is connected with a middle handle shell, a rear sealing cover is connected to the rear end port of the middle handle shell, a first vent pipe is arranged in the middle of the middle handle shell, the lower end of the first vent pipe penetrates through the lower end part of the middle handle shell, and a ventilation control assembly is arranged in the middle handle shell at the side end of the first vent pipe;
the ventilation control assembly comprises a handle control plate, a torsion spring, a handle transmission rod and an air hole blocking piece, the front part of the handle control plate is connected with the front pull cover, the rear part of the handle control plate is connected with the torsion spring, and the outer end part of the handle transmission rod is connected with the handle control plate;
the side end face of the first vent pipe is provided with a first positioning hole and a first vent hole, the inner end of the handle transmission rod is inserted into the first positioning hole, the inner end of the handle transmission rod is connected with an air hole blocking piece, and the air hole blocking piece can cover the first vent hole after the handle transmission rod rotates.
Preferably, the number of the ventilation control assemblies is two, the two groups of ventilation control assemblies are respectively arranged at the left side end and the right side end of the first ventilation pipe, and the number of the first positioning holes and the number of the first ventilation holes are two;
well handle shell is square shell form, is equipped with first location riser in the well handle shell of first breather pipe side, and first location riser has two, and two first location risers link to each other with two aeration control subassemblies respectively.
Preferably, the handle control plate comprises a first arc-shaped plate, the front part of the first arc-shaped plate is connected with the lower part of the front pull cover through a screw, and a first longitudinal support plate and a second longitudinal support plate which are parallel to each other are arranged at the upper end of the rear part of the first arc-shaped plate;
the outer side end of the first longitudinal support plate is connected with a first support plate positioning rod, the second longitudinal support plate is connected with a second support plate positioning rod, and the second support plate positioning rod penetrates through the second longitudinal support plate;
the torsion spring is sleeved on a second support plate positioning rod on the inner side of the second longitudinal support plate.
Preferably, the side end surface of the first vent pipe is a plane, the upper end surface of the first vent pipe is fixedly connected with the upper inner end surface of the middle handle shell, and the first vent hole is positioned obliquely above the first positioning hole;
the inner end part of the handle transmission rod is a round rod, the outer end part of the handle transmission rod is a rectangular rod, a first arc-shaped supporting block is arranged on a first vent pipe at the outer end of a first positioning hole, and the inner end part of the handle transmission rod is clamped on the first arc-shaped supporting block after the inner end of the handle transmission rod is inserted into the first positioning hole.
Preferably, the lower end of the rear part of the first arc-shaped plate is connected with a first operating lever connecting block, a first connecting block through hole is formed in the side end of the first operating lever connecting block, and the outer end part of the handle transmission rod is inserted into the first connecting block through hole and matched with the profile of the first connecting block through hole.
Preferably, the first positioning vertical plate is rectangular plate-shaped, a first vertical plate notch and a second vertical plate notch are formed in the rear end face of the first positioning vertical plate, and the first vertical plate notch is located at the upper end of the second vertical plate notch; a first vertical plate clamping groove and a second vertical plate clamping groove are formed in the inner end face of the middle handle shell;
the outer end part adaptation card of first extension board locating lever is gone into in first riser draw-in groove, and the outer end part adaptation card of second extension board locating lever is gone into in first riser notch, and the outer end part of handle transfer line passes second riser notch.
Preferably, the front end of the middle handle shell is provided with a handle clamping part matched with the front pull cover; a first handle clamping groove is formed in the front end face of the handle clamping portion, and the front pull cover is in adaptive clamping connection with the first handle clamping groove.
Another object of the present invention is to provide a ventilation type door structure, which can balance the air inside and outside, and has a simple and novel structure.
In order to achieve the purpose, the invention adopts the technical scheme that:
the handle mechanism comprises a door body shell, the handle mechanism is connected to the front end portion of the door body shell, a ventilation connecting pipe is arranged in the door body shell, and the ventilation connecting pipe is communicated with a first ventilation pipe.
Preferably, a first door body mounting groove is formed in the middle of the front end of the door body shell, and the handle mechanism is clamped in the first door body mounting groove in an adaptive mode.
Preferably, the lower end of the door body shell is connected with a door body lining shell, the left end of the door body shell is connected with a door body left baffle cover, and the right end of the door body shell is connected with a door body right baffle cover.
The invention has the beneficial effects that:
after the ventilation door body structure is covered on the refrigerator, the air hole blocking piece can cover the first air hole in an initial state. When the door body structure is opened, the front pull cover is pulled at first, a person exerts upward acting force on the front pull cover 1, the front pull cover does arc motion, and the front pull cover can slide along a corresponding track on the middle handle shell. Then the front pull cover drives the first arc-shaped plate to rotate, and the torsion spring is gradually compressed in the rotating process of the first arc-shaped plate. The first arc plate drives the handle transmission rod to rotate after rotating, the handle transmission rod drives the air hole blocking piece to rotate after rotating, and the air hole blocking piece deviates from the first air hole after rotating. Then, balance of internal and external air pressure is realized in the refrigerator through the ventilation connecting pipe, the first ventilation pipe and the first ventilation hole, and then the door body structure is lifted.
When the acting force on the front pull cover is removed by a person, the front pull cover is reset to the closed state due to the resilience effect of the torsion spring, the handle transmission rod rotates to the original position, and the first air hole in the ventilation connecting pipe at the middle position of the middle handle shell is closed again to restore to the natural state. Among the above-mentioned door body structure, the spring structure of automatic resilience is designed to handle department, when the people implements the switching action to door body handle, realizes the balance of the inside and outside atmospheric pressure of box through the pipeline. Handle mechanism simple structure novelty in this application is used in the door body back on freezer or refrigerator, when opening the door, can realize the better balance of inside and outside atmospheric pressure, and creativity is high, and the practicality is high.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is an exploded view of the entire structure of the handle mechanism.
Fig. 2 is an isometric view of the overall structure of the handle mechanism.
Fig. 3 is a schematic view of the overall structure of the middle handle case.
Fig. 4 is a front view of the middle handle shell.
Fig. 5 is a bottom view of the middle handle shell.
FIG. 6 is a schematic view of the overall structure of the handlebar control plate.
Fig. 7 is a schematic view of the overall structure of the rear cover.
FIG. 8 is a schematic view of the connection structure of the handle transmission rod and the air hole baffle.
Fig. 9 is a schematic view of the overall structure of the torsion spring.
Fig. 10 is an exploded view of the overall structure of the ventilation door body.
Fig. 11 is a schematic view showing a connection structure of the handle mechanism and the air connecting tube.
Figure 12 is an isometric view of the overall structure of the ventilation door body structure.
Fig. 13 is a schematic view of the overall structure of the vent connection tube.
Detailed Description
The present invention provides a handle mechanism and a ventilation door structure, and the present invention will be further described in detail below to make the object, technical scheme and effect of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention is described in detail below with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 9, a handle mechanism includes a front pull cover 1, a middle handle shell 11 is connected to a rear end of the front pull cover 1, a rear sealing cover 12 is connected to a rear end of the middle handle shell 11, a first air pipe 13 is disposed in a middle portion of the middle handle shell 11, a lower end of the first air pipe 13 penetrates through a lower end portion of the middle handle shell 11, and an air ventilation control assembly 2 is disposed in the middle handle shell 11 at a side end of the first air pipe 13.
The ventilation control assembly 2 comprises a handle control plate 3, a torsion spring 4, a handle transmission rod 5 and an air hole baffle 6, wherein the front part of the handle control plate 3 is connected with the front pull cover 1.
The rear part of the handle control plate 3 is connected with a torsion spring 4, and the outer end part of the handle transmission rod 5 is connected with the handle control plate 3.
A first positioning hole 131 and a first air hole 132 are formed in the side end face of the first air pipe 13, the inner end of the handle transmission rod 5 is inserted into the first positioning hole 131, an air hole blocking piece 6 is connected to the inner end of the handle transmission rod 5, and after the handle transmission rod 5 rotates, the air hole blocking piece 6 can cover the first air hole 132.
There are two sets of ventilation control assemblies 2, the two sets of ventilation control assemblies 2 are respectively arranged at the left side end and the right side end of the first ventilation pipe 13, and there are two first positioning holes 131 and two first ventilation holes 132.
Well handle shell 11 is square shell form, is equipped with first location riser 14 in the well handle shell 11 of first breather pipe 13 side, and first location riser 14 has two, and two first location risers 14 link to each other with two aeration control assembly 2 respectively, are connected with first riser connecting plate 111 between the front portion of first location riser 14.
The handle control plate 3 comprises a first arc-shaped plate 31, the front part of the first arc-shaped plate 31 is connected with the lower part of the front pull cover 1 through a screw, and the upper end of the rear part of the first arc-shaped plate 31 is provided with a first longitudinal support plate 32 and a second longitudinal support plate 33 which are parallel to each other. The front pull cover 1 is in a rectangular shell shape, a pull cover positioning plate 101 is arranged in the lower portion of the front pull cover 1, a plate body clamping groove is formed between the pull cover positioning plate 101 and the lower end face of the front pull cover 1, the front portion of the first arc-shaped plate is clamped in the plate body clamping groove, and a screw passes through the pull cover positioning plate 101 and then is connected with the first arc-shaped plate.
The outer end of the first longitudinal support plate 32 is connected with a first support plate positioning rod 34, the second longitudinal support plate 33 is connected with a second support plate positioning rod 35, and the second support plate positioning rod 35 penetrates through the second longitudinal support plate 33.
The torsion spring 4 is sleeved on a second support plate positioning rod 35 on the inner side of the second longitudinal support plate 33, the upper end of the torsion spring 4 is connected with the middle handle shell 11, and the lower end of the torsion spring 4 is connected with the upper end of the first arc-shaped plate 31.
The side end surface of the first vent pipe 13 is a plane, the upper end surface of the first vent pipe 13 is fixedly connected with the upper inner end surface of the middle handle shell 11, and the first vent hole 132 is located obliquely above the first positioning hole 131.
The inner end part of the handle transmission rod 5 is a round rod, the outer end part of the handle transmission rod 5 is a rectangular rod, a first arc-shaped supporting block 133 is arranged on the first vent pipe 13 at the outer end of the first positioning hole 131, and after the inner end part of the handle transmission rod 5 is inserted into the first positioning hole 131, the inner end part of the handle transmission rod 5 is clamped on the first arc-shaped supporting block 133.
The rear lower end of the first arc-shaped plate 31 is connected with a first operating lever connecting block 36, a first connecting block through hole 37 is formed in the side end of the first operating lever connecting block 36, and the outer end of the handle transmission rod 5 is inserted into the first connecting block through hole 37 and matched with the profile of the first connecting block through hole 37.
The first positioning vertical plate 14 is in a rectangular plate shape, a first vertical plate notch 141 and a second vertical plate notch 142 are formed in the rear end face of the first positioning vertical plate 14, and the first vertical plate notch 141 is located at the upper end of the second vertical plate notch 142; a first vertical plate clamping groove 143 and a second vertical plate clamping groove 144 are formed on the inner end face of the middle handle shell 11.
The outer end part of the first support plate positioning rod 34 is fittingly clamped into the first vertical plate clamping groove 143, the outer end part of the second support plate positioning rod 35 is fittingly clamped into the first vertical plate notch 141, and the outer end part of the handle transmission rod 5 penetrates through the second vertical plate notch 142.
The front end of the middle handle shell 11 is provided with a handle clamping part 15 matched with the front pull cover 1; the front end face of the handle clamping portion 15 is provided with a first handle clamping groove 151, and the front pull cover 1 is adaptive clamped in the first handle clamping groove 151.
Example 2
With reference to fig. 1 to 13, a ventilation type door body structure, which uses the above handle mechanism, includes a door body housing 7, the handle mechanism is connected to the front end portion of the door body housing 7, a ventilation connecting pipe 71 is disposed in the door body housing 7, and the ventilation connecting pipe 71 is communicated with the first ventilation pipe 13.
A first door body mounting groove 72 is formed in the middle of the front end of the door body shell 7, and the handle mechanism is clamped in the first door body mounting groove 72 in an adaptive mode.
The lower end of the door body shell 7 is connected with a door body lining shell 73, the left end of the door body shell 7 is connected with a door body left baffle cover 74, and the right end of the door body shell is connected with a door body right baffle cover 75.
In the case of the example 3, the following examples are given,
after the ventilating door structure is covered on the refrigerator, in the initial state, the air hole blocking piece 6 covers the first air hole 132. When the door body structure is opened, the front pull cover 1 is pulled firstly, a person exerts upward acting force on the front pull cover 1, the front pull cover 1 makes arc motion, and the front pull cover 1 can slide along a corresponding track on the middle handle shell.
Then, the cover 1 is pulled forward to drive the first arc plate 31 to rotate, and the torsion spring 4 is gradually compressed in the rotating process of the first arc plate 31. The first arc plate 31 rotates to drive the handle transmission rod 5 to rotate, the handle transmission rod 5 rotates to drive the air hole blocking piece 6 to rotate, and the air hole blocking piece 6 rotates to deviate from the first air hole 132. Then, the balance of the internal and external air pressures is realized in the refrigerator through the ventilation connecting pipe 71, the first ventilation pipe 13 and the first ventilation hole 132, and then the door body structure is lifted.
When a person removes acting force on the front pull cover 1, the front pull cover 1 is reset to a closed state due to the resilience action of the torsion spring, the handle transmission rod 5 rotates to the original position, and the first air hole 13 on the ventilation connecting pipe 71 at the middle position of the middle handle shell is closed again to restore to a natural state. Among the above-mentioned door body structure, the spring structure of automatic resilience is designed to handle department, when the people implements the switching action to door body handle, realizes the balance of the inside and outside atmospheric pressure of box through the pipeline. Handle mechanism simple structure novelty in this application is used in the door body back on freezer or refrigerator, when opening the door, can realize the better balance of inside and outside atmospheric pressure, and creativity is high, and the practicality is high.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (10)

1. A handle mechanism is characterized by comprising a front pull cover, wherein the rear end of the front pull cover is connected with a middle handle shell, a rear sealing cover is connected to the rear end port of the middle handle shell, a first vent pipe is arranged in the middle of the middle handle shell, the lower end of the first vent pipe penetrates through the lower end part of the middle handle shell, and a ventilation control assembly is arranged in the middle handle shell at the side end of the first vent pipe;
the ventilation control assembly comprises a handle control plate, a torsion spring, a handle transmission rod and an air hole blocking piece, the front part of the handle control plate is connected with the front pull cover, the rear part of the handle control plate is connected with the torsion spring, and the outer end part of the handle transmission rod is connected with the handle control plate;
the side end face of the first vent pipe is provided with a first positioning hole and a first vent hole, the inner end of the handle transmission rod is inserted into the first positioning hole, the inner end of the handle transmission rod is connected with an air hole blocking piece, and the air hole blocking piece can cover the first vent hole after the handle transmission rod rotates.
2. The handle mechanism as claimed in claim 1, wherein there are two sets of ventilation control assemblies, the two sets of ventilation control assemblies are respectively disposed at the left side end and the right side end of the first ventilation pipe, and there are two first positioning holes and two first ventilation holes;
well handle shell is square shell form, is equipped with first location riser in the well handle shell of first breather pipe side, and first location riser has two, and two first location risers link to each other with two aeration control subassemblies respectively.
3. The handle mechanism as claimed in claim 2, wherein the handle operating plate comprises a first arc-shaped plate, the front part of the first arc-shaped plate is connected with the lower part of the front pull cover through a screw, and the upper end of the rear part of the first arc-shaped plate is provided with a first longitudinal support plate and a second longitudinal support plate which are parallel to each other;
the outer side end of the first longitudinal support plate is connected with a first support plate positioning rod, the second longitudinal support plate is connected with a second support plate positioning rod, and the second support plate positioning rod penetrates through the second longitudinal support plate;
the torsion spring is sleeved on a second support plate positioning rod on the inner side of the second longitudinal support plate.
4. The handle mechanism as claimed in claim 2, wherein the side end surface of the first vent pipe is a plane, the upper end surface of the first vent pipe is fixedly connected with the upper inner end surface of the middle handle shell, and the first vent hole is located obliquely above the first positioning hole;
the inner end part of the handle transmission rod is a round rod, the outer end part of the handle transmission rod is a rectangular rod, a first arc-shaped supporting block is arranged on a first vent pipe at the outer end of a first positioning hole, and the inner end part of the handle transmission rod is clamped on the first arc-shaped supporting block after the inner end of the handle transmission rod is inserted into the first positioning hole.
5. The handle mechanism as claimed in claim 3, wherein the lower end of the rear portion of the first arc-shaped plate is connected with a first operating lever connecting block, a first connecting block through hole is formed at the side end of the first operating lever connecting block, and the outer end portion of the handle transmission rod is inserted into the first connecting block through hole and is in molded fit with the first connecting block through hole.
6. The handle mechanism according to claim 3, wherein the first positioning vertical plate is rectangular plate-shaped, a first vertical plate notch and a second vertical plate notch are formed in the rear end face of the first positioning vertical plate, and the first vertical plate notch is located at the upper end of the second vertical plate notch; a first vertical plate clamping groove and a second vertical plate clamping groove are formed in the inner end face of the middle handle shell;
the outer end part adaptation card of first extension board locating lever is gone into in first riser draw-in groove, and the outer end part adaptation card of second extension board locating lever is gone into in first riser notch, and the outer end part of handle transfer line passes second riser notch.
7. The handle mechanism as claimed in claim 2, wherein the front end of the middle handle shell is provided with a handle clamping part matched with the front pulling cover; a first handle clamping groove is formed in the front end face of the handle clamping portion, and the front pull cover is in adaptive clamping connection with the first handle clamping groove.
8. A ventilation door body structure, using a handle mechanism according to any one of claims 1 to 7, comprising a door body shell, the handle mechanism being attached to a front end portion of the door body shell, the door body shell being provided with a ventilation connecting pipe therein, the ventilation connecting pipe being in communication with the first ventilation pipe.
9. The ventilation door body structure according to claim 8, wherein a first door body mounting groove is formed in a middle portion of the front end of the door body shell, and the handle mechanism is adapted to be clamped in the first door body mounting groove.
10. The ventilation door structure of claim 8, wherein the door shell is connected at a lower end thereof to the door inner lining, the door shell is connected at a left end thereof to the door left cover, and the door shell is connected at a right end thereof to the door right cover.
CN201910546652.8A 2019-06-24 2019-06-24 Handle mechanism and ventilation type door body structure Active CN110344648B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910546652.8A CN110344648B (en) 2019-06-24 2019-06-24 Handle mechanism and ventilation type door body structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910546652.8A CN110344648B (en) 2019-06-24 2019-06-24 Handle mechanism and ventilation type door body structure

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Publication Number Publication Date
CN110344648A CN110344648A (en) 2019-10-18
CN110344648B true CN110344648B (en) 2020-10-27

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205718169U (en) * 2016-04-18 2016-11-23 吴楠 Low-temperature cabinet air pressure autobalance door handle
CN106839617A (en) * 2016-12-30 2017-06-13 青岛海尔特种电冰柜有限公司 Door body and refrigeration plant with function of balancing air pressure
KR102607767B1 (en) * 2017-07-21 2023-11-30 엘지전자 주식회사 Refrigerator and door opening apparatus for refrigerator
CN108344237B (en) * 2018-02-11 2019-09-20 海信容声(广东)冰箱有限公司 A kind of boosting handle and refrigerator
CN208564178U (en) * 2018-06-06 2019-03-01 青岛海尔特种电冰柜有限公司 Booster door handles component and refrigeration equipment

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