WO2021000836A1

WO2021000836A1 - Refrigerating and freezing device

Info

Publication number: WO2021000836A1
Application number: PCT/CN2020/098900
Authority: WO
Inventors: 王宁; 刘志军; 张珩; 王晓东; 胡晓彬
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2019-07-01
Filing date: 2020-06-29
Publication date: 2021-01-07
Also published as: CN210625044U

Abstract

Disclosed is a refrigerating and freezing device, comprising two front bottom foot assemblies fixed below two sides of a front portion of a case. Each of the front bottom foot assemblies comprises a fixing plate fixed on the case, a rear roller arranged at a rear portion of the fixing plate, a front roller arranged at a front portion of the fixing plate, and an adjustable bottom foot with an adjustable height arranged at the front portion of the fixing plate. The front bottom foot assembly is provided with the front roller at the front portion of the fixing plate so as to improve the stability of the refrigerating and freezing device placed on the ground. In addition, an axle of the front roller is parallel to an axle of the rear roller, such that both the front roller and the rear roller can facilitate movement of the refrigerating and freezing device, and the front roller further improves the stability of the refrigerating and freezing device when same moves.

Description

Refrigeration and freezing device

Technical field

The present invention relates to the technical field of refrigeration equipment, in particular to a refrigerating and freezing device.

Background technique

With the advancement of science and the development of social economy, refrigeration and freezing devices have become an indispensable part of people’s daily life. However, refrigeration and freezing devices will be placed on uneven ground, the structural size of the refrigeration and freezing device itself, and children's climbing, etc. The reason causes the hidden danger of forward tilting, and due to the complex structure and heavy weight of the refrigerating and freezing device, if the refrigerating and freezing device is dumped, it will not only cause damage to the refrigerating and freezing device itself, but also affect the safety of users.

Although there are foot assemblies for preventing the refrigerating and freezing device from tipping, the effect of preventing the refrigerating and freezing device from tipping is not ideal, and it cannot guarantee that the refrigerating and freezing device can also have better stability when moving.

Summary of the invention

In view of the above problems, the present invention is proposed to provide a refrigerating and freezing device that overcomes or at least partially solves the above problems.

An object of the present invention is to provide a refrigerating and freezing device that improves the stability during placement and movement.

A further object of the present invention is to improve the safety and aesthetics of the refrigerating and freezing device.

The present invention provides a refrigerating and freezing device, which is characterized by comprising: a box body; two front foot components are respectively fixed below the two sides of the front of the box body.

Optionally, each front foot assembly includes: a fixed plate, which is fixed on the box body; a rear roller, which is arranged at the rear of the fixed plate; a front roller, which is arranged on the front of the fixed plate, and the axle of the front roller and the rear The axles of the rollers are parallel; the adjustable foot is arranged on the front of the fixed plate and the height is adjustable.

Optionally, the front part of the fixed plate is set as a horizontal projection protruding from the box body.

Optionally, the refrigerating and freezing device further includes a door body arranged in front of the box body; and the length of the front part of the fixing plate protruding from the horizontal plane projection of the box body is smaller than the thickness of the door body.

Optionally, a threaded hole is provided on the fixed plate at a position that matches with the adjustable foot; and the adjustable foot includes: a threaded rod on which is provided with a thread that matches the threaded hole; The bottom of the threaded rod is configured to move up and down following the rotation of the threaded rod.

Optionally, the fixing plate further includes: one or more connecting holes, which are arranged at a position where the fixing plate matches the box body, and the refrigerating and freezing device further includes one or more connecting screws, and each connecting screw is arranged at the connection The hole is used to connect the box body and the fixed plate.

Optionally, the front roller is arranged behind the adjustable foot, the fixing plate and the front roller are fitted with a front roller hole to fix the axle of the front roller, and the fixing plate is arranged at a position in front of the rear roller There is a connection hole.

Optionally, the front roller is arranged on a side of the adjustable foot that is biased toward the middle of the box body, and one or more connecting holes are provided on the fixed plate at positions in front of and behind the rear roller.

Optionally, the fixed plate further includes: a front roller bracket, which is arranged on the fixed plate at a position opposite to the front roller, and is used to fix the front roller.

Optionally, a positioning protrusion protruding upward is provided at a position where the fixed plate is connected to the front roller bracket.

Optionally, the refrigerating and freezing device further includes: two rear wheels of the box body, respectively fixed below the two sides of the rear of the box body, and the two rear wheels of the box body have the same shape and size as the front roller and the rear roller.

The present invention provides a refrigerating and freezing device, which includes two front foot assemblies respectively fixed at the bottom of both sides of the front of a box. Each front foot assembly includes: a fixing plate fixed on the The rear roller at the rear of the board, the front roller arranged at the front of the fixed board, and the adjustable foot with adjustable height arranged at the front of the fixed board. The front foot assembly is provided with a front roller at the front of the fixed plate, which improves the stability of the refrigerating and freezing device on the ground. In addition, the axle of the front roller is parallel to the axle of the rear roller, so that both the front roller and the rear roller can help the refrigerating and freezing device move, and the front roller also improves the stability of the refrigerating and freezing device when moving.

Further, the front part of the fixed plate is set to protrude from the horizontal projection of the box body. This method of setting the fixed plate makes the refrigerating and freezing device still have support points outside the horizontal projection of the box body, reducing the size of the refrigerating and freezing device The forward-leaning force arm further ensures the stability of the refrigerating and freezing device.

Furthermore, the length of the front part of the fixed plate protruding from the horizontal projection of the box body is less than the thickness of the door body. This arrangement can ensure that the fixed plate will not affect the refrigeration when the door of the refrigerating and freezing device is closed. The appearance of the refrigerating device improves the aesthetics of the refrigerating and freezing device, and avoiding accidental occurrence of injury to the user caused by the protruding part of the fixing plate, and improving the safety of the refrigerating and freezing device.

Based on the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will better understand the above and other objectives, advantages and features of the present invention.

Description of the drawings

Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary but not restrictive manner with reference to the accompanying drawings. The same reference numerals in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the attached picture:

Figure 1 is a schematic structural diagram of a refrigerating and freezing device according to an embodiment of the present invention;

2 is a schematic structural diagram of the front foot assembly of the refrigerating and freezing device according to an embodiment of the present invention;

3 is a schematic structural view of a fixing plate of a front foot assembly of a refrigerating and freezing device according to an embodiment of the present invention;

4 is a schematic structural view of a front foot assembly of a refrigerating and freezing device according to another embodiment of the present invention;

Figure 5 is a top view of a front foot assembly of a refrigerating and freezing device according to another embodiment of the present invention;

Figure 6 is a front view of a front foot assembly of a refrigerating and freezing device according to another embodiment of the present invention;

Figure 7 is a left side view of the front foot assembly of a refrigerating and freezing device according to another embodiment of the present invention;

Fig. 8 is an assembly diagram of the front roller bracket and the front roller of the front foot assembly of the refrigerating and freezing device according to another embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. The elements and features described in one drawing or one embodiment of the present invention may be combined with the elements and features shown in one or more other drawings or embodiments. It should be noted that, for the purpose of clarity, representations and descriptions of components and processes that are not related to the present invention and known to those of ordinary skill in the art are omitted from the drawings and descriptions.

In the following embodiments of the present invention, the serial numbers and/or sequence of the embodiments are only for ease of description, and do not represent the advantages and disadvantages of the embodiments. The description of each embodiment has its own focus. For parts that are not described in detail in an embodiment, please refer to the relevant description of other embodiments.

This embodiment provides a refrigerating and freezing device 10, and FIG. 1 is a schematic structural diagram of the refrigerating and freezing device 10 according to an embodiment of the present invention. The refrigerating and freezing device 10 includes a box body 100 in which a storage space 110 is defined. The refrigerating and freezing device 10 may further include a door 300 arranged in front of the box body 100 for opening and closing the storage space 110.

The storage space 110 may include a refrigerating compartment and a freezing compartment, and the door body 300 may include a refrigerating compartment door for opening and closing the refrigerating compartment and a freezing compartment door for opening and closing the freezing compartment. In other embodiments of the present invention, the storage space 110 may also include a temperature-changing greenhouse and a door for the temperature-changing greenhouse, wherein the refrigerating compartment is arranged above the freezing compartment, and the changing-house is arranged in the cold storage room. Between the compartment and the freezer compartment.

As is well known to those skilled in the art, the temperature in the refrigerating compartment is generally between 2°C and 10°C, preferably between 4°C and 7°C. The temperature range in the freezer compartment is generally -22°C to -14°C. The temperature changing room can be adjusted to -18℃ to 8℃ at will. The best storage temperature for different types of items is not the same, and the suitable storage locations are also different. For example, if vegetable food is suitable for storage in a refrigerated compartment, and meat food is suitable for storage in a freezer compartment.

The refrigeration system is configured to provide cold energy to the storage space 110. In some embodiments, the refrigeration system may be a refrigeration cycle system composed of a compressor, a condenser, a throttling device, and an evaporator. The evaporator is configured to directly or indirectly provide cold energy into the storage space 110. Since the refrigeration system of the refrigerating and freezing device 10 is well-known to those skilled in the art, it will not be repeated here.

The refrigerating and freezing device 10 of the present invention further includes two front foot assemblies 200 and two box rear wheels 400, wherein the two front foot assemblies 200 are respectively fixed below the two sides of the front of the box 100, and the two boxes The rear wheels 400 are respectively fixed below the two sides of the rear of the box 100, and the front foot assembly 200 and the rear wheels 400 of the box provide support for the refrigerator-freezing device 10 and ensure the stability of the refrigerator-freezing device 10.

2 is a schematic structural view of the front foot assembly 200 of the refrigerating and freezing device 10 according to an embodiment of the present invention; FIG. 3 is a fixing plate 210 of the front foot assembly 200 of the refrigerating and freezing device 10 according to an embodiment of the present invention Schematic structure diagram.

The front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment includes a fixing plate 210, wherein a connecting hole 212 is further provided on the fixing plate 210, and the connecting hole 212 is provided at a position on the fixing plate 210 that matches with the box body 100. The refrigerating and freezing device 10 further includes a connecting screw, which is disposed at the connecting hole 212 and used to connect the box body 100 and the fixing plate 210 so that the fixing plate 210 is fixed on the box body 100. In other embodiments of the present invention, a plurality of connecting holes 212 may also be provided on the fixing plate 210.

The front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment further includes a rear roller 220 provided at the rear of the fixed plate 210 and an adjustable foot 240 provided at the front of the fixed plate 210 with adjustable height. And the fixed plate 210 is provided with a threaded hole 211 at a position that is matched with the adjustable foot 240. The adjustable foot 240 includes a threaded rod 241, and the threaded rod 241 is provided with a thread matching the threaded hole 211 to make the thread The rod 241 can be rotated at the threaded hole 211, and the adjustable foot 240 also includes a foot stand 242 provided at the bottom of the threaded rod 241. When the threaded rod 241 rotates, the foot stand 242 moves up and down following the rotation of the threaded rod 241 In order to avoid the problem of poor stability of the refrigerating and freezing device 10 caused by uneven ground. For example, when the ground where the refrigerating and freezing device 10 is placed is high on the left and low on the right, the threaded rod 241 can be rotated to make the refrigerating and freezing device 10 on the left The foot stand 242 moves upward, or the foot stand 242 located on the right side of the refrigerating and freezing device 10 is moved downward to maintain the stability of the refrigerating and freezing device 10.

The front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment further includes a front roller 230 disposed at the front of the fixed plate 210 and behind the adjustable foot 240. The front foot assembly 200 passes in front of the fixed plate 210. The front roller 230 is provided on the part, which improves the stability of the refrigerating and freezing device 10 on the ground.

In addition, a front roller hole 213 is provided at the position where the fixing plate 210 and the front roller 230 cooperate to fix the axle of the front roller 230, and the axle of the front roller 230 is parallel to the axle of the rear roller 220. The axle of the front roller 230 and the axle of the rear roller 220 are parallel, so that both the front roller 230 and the rear roller 220 can help the refrigerating and freezing device 10 move, and the front roller 230 also improves the stability of the refrigerating and freezing device 10 when moving.

The front portion of the fixing plate 210 of the front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment may be set as a horizontal projection protruding from the box body 100. Specifically, at least the front roller 230 of the front foot assembly 200 and the adjustable The foot 240 is partially set to protrude from the horizontal projection of the box 100. This method of setting the fixing plate 210 allows the refrigerating and freezing device 10 to still have a support point outside the horizontal projection of the box 100, reducing the size of the refrigerating and freezing device. The forward-leaning force arm further ensures the stability of the refrigerating and freezing device 10.

In addition, the length of the front part of the fixing plate 210 protruding from the horizontal projection of the box body 100 is less than the thickness of the door body 300. This arrangement can ensure that the fixing plate 210 is in the closed state when the door body 300 of the refrigerating and freezing device 10 is closed. The appearance of the refrigerating and freezing device 10 is not affected, and the accidental occurrence of injury to the user caused by the protruding part of the fixing plate 210 is avoided. Wherein, if the refrigerating and freezing device 10 has a plurality of doors 300, the length of the front portion of the fixing plate 210 protruding from the horizontal projection of the box 100 is smaller than the thickness of the door 300 located at the bottom.

This embodiment provides a refrigerating and freezing device 10. The front foot assembly 200 is provided under the two sides of the front part of the cabinet 100 of the refrigerating and freezing device 10. The front foot assembly 200 includes a fixing plate 210 and is arranged behind the fixing plate 210. The rear roller 220 and the front roller 230 and the adjustable foot 240 are arranged in the front of the fixed plate 210, and the front roller 230 is arranged behind the adjustable foot 240, and the fixed plate 210 is located in front of the rear roller 220 A connecting hole 212 is provided, and the fixing plate 210 is fixed on the box body 100 through a connecting screw arranged at the connecting hole 212. A box rear wheel 400 is also fixed under the two sides of the rear of the box body 100, and the two box body rear wheels 400 have the same shape and size as the front roller 230 and the rear roller 220 to improve production efficiency and reduce costs. .

The refrigerating and freezing device 10 of the present embodiment is provided with a front roller 230 in the front of the fixed plate 210 of the front foot assembly 200 and behind the adjustable foot 240, which increases the support point at the front of the refrigerating and freezing device 10, and improves the refrigeration and freezing. The device 10 is stable on the ground, and the front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment has a simple structure, which is convenient for production and installation, and improves production efficiency.

4 is a schematic structural view of the front foot assembly 200 of the refrigerating and freezing device 10 according to another embodiment of the present invention, and FIG. 5 is a top view of the front foot assembly 200 of the refrigerating and freezing device 10 according to another embodiment of the present invention 6 is a front view of the front foot assembly 200 of the refrigerating and freezing device 10 according to another embodiment of the present invention, and FIG. 7 is a left view of the front foot assembly 200 of the refrigerating and freezing device 10 according to another embodiment of the present invention 8 is an assembly diagram of the front roller bracket 214 and the front roller 230 of the front foot assembly 200 of the refrigerating and freezing device 10 according to another embodiment of the present invention.

The front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment includes a fixing plate 210, wherein the fixing plate 210 is also provided with three connecting holes 212, and each connecting hole 212 is provided on the fixing plate 210 to cooperate with the box body 100 The refrigerating and freezing device 10 further includes three connecting screws. Each connecting screw is set at the connecting hole 212 for connecting the box body 100 and the fixing plate 210 so that the fixing plate is fixed on the box body 100. In other embodiments of the present invention, one or other number of connecting holes 212 may also be provided on the fixing plate 210.

The front foot assembly 200 of the refrigerating and freezing device 10 of this embodiment further includes a front roller 230 disposed on the side of the adjustable foot 240 that is biased toward the middle of the box 100, for example, the front foot assembly 200 on the left side of the box 100 The front roller 230 is arranged on the right side of the adjustable foot 240, and the front roller 230 of the front foot assembly 200 on the right side of the box 100 is arranged on the left side of the adjustable foot 240. The front foot assembly 200 passes through the fixing plate 210 The front roller 230 is arranged at the front, which improves the stability of the refrigerating and freezing device 10 on the ground.

In addition, the refrigerating and freezing device 10 of this embodiment further includes a front roller bracket 214 disposed on the fixing plate 210 at a position opposite to the front roller 230. The front roller bracket 214 is used to fix the front roller 230, and the front roller bracket 214 may be provided with There are bracket holes so that the axle of the front roller 230 is inserted into the bracket hole to fix the front roller 230, and the axle of the front roller 230 is parallel to the axle of the rear roller 220. The axle of the front roller 230 and the axle of the rear roller 220 are parallel, so that both the front roller 230 and the rear roller 220 can help the refrigerating and freezing device 10 move, and the front roller 230 also improves the stability of the refrigerating and freezing device 10 when moving.

In addition, the fixing plate 210 of the refrigerating and freezing device 10 of this embodiment is provided with a positioning protrusion 215 protruding upward at a position connected to the front roller bracket 214. By installing the front roller bracket 214 at the positioning protrusion 215, The installation efficiency is improved, and the installation position of the front roller bracket 214 on the fixed plate 210 is consistent.

This embodiment provides a refrigerating and freezing device 10. The front foot assembly 200 is provided under the two sides of the front part of the cabinet 100 of the refrigerating and freezing device 10. The front foot assembly 200 includes a fixing plate 210 and is arranged behind the fixing plate 210. The rear roller 220, the front roller 230 and the adjustable foot 240 arranged in the front of the fixed plate 210, and the front roller 230 is arranged on the side of the adjustable foot 240 in the middle of the box 100, and the fixed plate 210 is located on the rear roller Two connecting holes 212 are provided at a position in front of 220, and a connecting hole 212 is provided at a position behind the rear roller 220, and the fixing plate 210 is fixed to the box body 100 by a connecting screw arranged at the connecting hole 212 . A box rear wheel 400 is respectively fixed below the two sides of the rear of the box 100, and the two box rear wheels 400 have the same shape and size as the front roller 230 and the rear roller 220 to improve production efficiency.

The refrigerating and freezing device 10 of this embodiment is provided with a front roller 230 at the front of the fixed plate 210 of the front foot assembly 200 and the adjustable foot 240 is located in the middle of the cabinet 100, and the front of the fixed plate 210 is set as The horizontal projection protruding from the box body 100 increases the support points at the front of the refrigerating and freezing device 10, improving the stability of the refrigerating and freezing device 10 placed on the ground, and the adjustable feet 240 and the front rollers 230 are distributed in the left and right directions The length of the front part of the fixing plate 210 protruding from the horizontal projection of the box 100 can be set to be shorter, because as long as the front part of the fixing plate 210 at least the adjustable foot 240 and the front roller 230 are protruding Projected on the horizontal plane of the box 100, the refrigerating and freezing device 10 can still have support points outside the horizontal projection of the box 100 to ensure the stability of the refrigerating and freezing device 10. Therefore, the refrigerating and freezing device 10 of this embodiment is The fixing plate 210 can protrude a small distance from the box body 100, which improves the practicability and can be applied to the refrigerating and freezing device 10 with a thinner door 300.

The present invention provides a refrigerating and freezing device 10, which includes two front foot assemblies 200 respectively fixed below the two sides of the front part of the box body 100. Each front foot assembly 200 includes: a fixing device fixed on the box body 100. The board 210, the rear roller 220 arranged at the rear of the fixed board 210, the front roller 230 arranged at the front of the fixed board 210, and the adjustable foot 240 with adjustable height arranged at the front of the fixed board 210. The front foot assembly 200 is provided with a front roller 230 at the front of the fixed plate 210 to improve the stability of the refrigerating and freezing device 10 on the ground. In addition, the axle of the front roller 230 and the axle of the rear roller 220 are parallel, so that both the front roller 230 and the rear roller 220 can help the refrigerating and freezing device 10 move, and the front roller 230 also improves the smoothness of the refrigerating and freezing device 10 when moving.

Further, the front part of the fixed plate 210 is set to protrude from the horizontal projection of the box 100. This method of setting the fixed plate 210 allows the refrigerating and freezing device 10 to still have a support point outside the horizontal projection of the box 100, reducing The small forward arm of the refrigerating and freezing device 10 further ensures the stability of the refrigerating and freezing device 10.

Furthermore, the length of the front part of the fixing plate 210 protruding from the horizontal projection of the box body 100 is less than the thickness of the door body 300. This arrangement can ensure that the door body 300 of the refrigerating and freezing device 10 is in the closed state. The plate 210 does not affect the appearance of the refrigerating and freezing device 10, improving the aesthetics of the refrigerating and freezing device 10, and avoiding accidents that the protruding part of the fixing plate 210 causes injury to the user, and improving the safety of the refrigerating and freezing device 10 .

So far, those skilled in the art should realize that although a number of exemplary embodiments of the present invention have been illustrated and described in detail herein, they can still be disclosed according to the present invention without departing from the spirit and scope of the present invention. The content directly determines or deduces many other variations or modifications that conform to the principles of the present invention. Therefore, the scope of the present invention should be understood and deemed to cover all these other variations or modifications.

Claims

A refrigerating and freezing device, including:

Box

Two front foot components are respectively fixed below the two sides of the front of the box body, and each of the front foot components includes:

The fixing plate is fixed on the box body;

The rear roller is arranged at the rear of the fixed plate;

The front roller is arranged at the front of the fixed plate, and the axle of the front roller is parallel to the axle of the rear roller;

The adjustable foot is arranged on the front part of the fixed board, and its height is adjustable.
The refrigerator-freezing device according to claim 1, wherein:

The front part of the fixing plate is arranged as a horizontal projection protruding from the box body.
The refrigerating and freezing device according to claim 2, further comprising:

The door is arranged in front of the box; and

The length of the front part of the fixing plate protruding from the horizontal projection of the box body is smaller than the thickness of the door body.
The refrigerator-freezing device according to claim 1, wherein:

A threaded hole is provided at the position where the fixed plate matches the adjustable foot; and

The adjustable foot includes:

A threaded rod, on which a thread that matches with the threaded hole is provided;

The foot stand is arranged at the bottom of the threaded rod and is configured to move up and down following the rotation of the threaded rod.
The refrigerator-freezing device according to claim 1, wherein the fixed plate further comprises:

One or more connecting holes are arranged at the position where the fixing plate matches the box body, and the refrigerating and freezing device further includes one or more connecting screws, each of which is arranged on the The connecting hole is used to connect the box body and the fixing plate.
The refrigerator-freezing device according to claim 5, wherein:

The front roller is arranged behind the adjustable foot, a front roller hole is provided at a position where the fixing plate and the front roller are matched to fix the axle of the front roller, and the fixed plate The connecting hole is provided at a position in front of the rear roller.
The refrigerator-freezing device according to claim 5, wherein:

The front roller is arranged on a side of the adjustable foot that is biased toward the middle of the box, and the fixed plate is provided with one or more connecting holes at positions in front of and behind the rear roller .
The refrigerator-freezing device according to claim 7, wherein the fixing plate further comprises:

The front roller bracket is arranged on the fixed plate at a position opposite to the front roller, and is used to fix the front roller.
The refrigerator-freezing device according to claim 8, wherein:

A positioning protrusion protruding upward is provided at a position where the fixing plate is connected to the front roller bracket.
The refrigerating and freezing device according to claim 1, further comprising:

Two rear wheels of the box body are respectively fixed below the two sides of the rear part of the box body, and the two rear wheels of the box body have the same shape and size as the front roller and the rear roller.