CN117804133A

CN117804133A - Refrigerating apparatus

Info

Publication number: CN117804133A
Application number: CN202211180406.3A
Authority: CN
Inventors: 王春青; 杨洪光; 郭凯; 王凯; 刘瑾; 张书锋
Original assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2024-04-02

Abstract

The invention discloses refrigeration equipment, which comprises a box body, a door body and a handle assembly, wherein the box body comprises a pressure relief part, the pressure relief part comprises an air inlet channel and a pressure relief valve, the air inlet channel is provided with an outer air inlet and an inner air inlet, the outer air inlet is used for communicating with the outside, and the inner air inlet is used for communicating with a storage space; the handle assembly comprises a door body connecting part and a pressing part, and the pressing part can drive the storage space to be communicated with the outside through the air inlet channel. The refrigerating equipment can balance the pressure difference between the storage space and the outside before opening the door, so that the door is more labor-saving, and the opening of the air inlet channel is controlled by arranging the air inlet channel which can be opened or closed, so that the air inlet channel of the outside air hole enters the storage space, the storage space is quickly balanced with the air pressure of the outside, and the door body can be smoothly opened.

Description

Refrigerating apparatus

Technical Field

The invention relates to the technical field of refrigeration, in particular to refrigeration equipment.

Background

Refrigeration devices are typically used to chill or freeze food materials, the temperature inside of which is relatively low, resulting in a pressure inside the refrigeration device that is typically less than atmospheric pressure, which makes the door body laborious to open. The door opening device has the advantages that the force applied by a user when the door is opened is reduced, some schemes appear in the prior art, such as the lever principle is utilized, a rotary booster handle directly acts on the box body to pry open the door body, the surface of the box body can be damaged, for example, when the internal negative pressure is overlarge, the pressure is overlarge when the user only prys a certain local position, and if the surface of the box body is pried, the damage is avoided. And the lever principle is utilized to mean that the force arm is longer, the occupied space of the handle is larger, the appearance is not attractive, and the use experience of a user is poor.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide refrigeration equipment convenient for opening a door body.

In order to achieve the above object, an embodiment of the present invention provides a refrigeration apparatus, including a case, a door, and a handle assembly, where the case encloses a storage space having an opening, the door is used for closing the opening, the case includes a pressure relief portion, the pressure relief portion includes an air intake channel and a pressure relief valve, the air intake channel has an outer air intake and an inner air intake, the outer air intake is used for communicating with the outside, the inner air intake is used for communicating with the storage space, and the pressure relief valve includes a pressure relief member;

the handle assembly includes:

the door body connecting part is fixedly connected to the door body;

the pressing part comprises a pressing piece and a driving piece, the pressing piece is movably connected to the door body connecting part, and the pressing piece is in a closed state and an open state;

in the closed state, the pressure release piece cuts off the air inlet channel;

in the process of switching the closed state to the open state, the driving piece drives the pressure release piece to move in a first direction until the storage space is communicated with the outside through the air inlet channel.

As a further improvement of the present invention, the pressing portion further includes a first elastic member, one end of the first elastic member abuts against the door body connecting portion, and the other end abuts against the driving member, and the first elastic member always has a tendency to urge the driving member to move in a direction opposite to the first direction.

As a further improvement of the present invention, the pressure release valve further includes a second elastic member, one end of the second elastic member abuts against the case, and the other end abuts against the pressure release member, and the second elastic member always has a tendency to urge the pressure release member to move in a direction opposite to the first direction in a process between the closed state and the open state.

As a further improvement of the invention, the box comprises a cabinet opening, the air inlet channel is arranged in the cabinet opening, and the outer air inlet is arranged on the surface of the cabinet opening, facing the handle assembly.

As a further improvement of the invention, the pressing part further comprises a pressing piece and a lever piece, one end of the lever piece is propped against the pressing piece, the other end of the lever piece is propped against the driving piece, a rotating shaft is arranged between the two ends of the lever piece, and the movement direction of the pressing piece is opposite to that of the driving piece.

As a further improvement of the present invention, the door body is disposed above the case, the driving member is disposed above the pressure release member, and a movement direction of the pressing member is the same as a movement direction of the door body in a process between the closed state and the open state.

As a further improvement of the present invention, the handle assembly further includes a handle portion connected to the door body connection portion, the handle portion including an upper cover and a lower cover, the lower cover being provided with a slot, the pressing member including a pressing surface and a pressing handle, the pressing handle extending to below the slot through the slot, the pressing surface being provided above the slot;

one end of the lever piece, which faces the pressing piece, is provided with an arc surface, and one side of the supporting surface, which faces the lever piece, is provided with an arc surface.

As a further improvement of the present invention, the door body connecting portions are arranged in two groups in parallel from left to right, and the pressing member extends from a position of the door body connecting portion on the left side to a position of the door body connecting portion on the right side.

As a further development of the invention, the side of the driving element facing the lever element is provided as a plane, and the lever element slides on the surface of the driving element during the switching between the closed state and the open state.

As a further improvement of the present invention, the intake passage includes a first passage extending in a first direction, and a second passage inclined to the first direction;

the pressure release piece is arranged in the first channel and comprises a first columnar portion, a second columnar portion and a third columnar portion which are sequentially arranged, the cross section of the first columnar portion is smaller than the area of the cross section of the first channel, the cross section of the second columnar portion is smaller than the area of the cross section of the first columnar portion, and the cross section of the third columnar portion is equal to the area of the cross section of the first channel;

in the closed state, the third columnar part completely covers the second channel, and the surface of the pressure release part is flush with the outer air inlet;

the second channel is exposed to other areas than the third pillar portion during the switching between the closed state and the open state.

Compared with the prior art, the invention has the following beneficial effects: this refrigeration plant can make the pressure differential balance of putting thing space and external before opening the door, makes to open the door more laborsaving, through setting up the inlet channel that can be opened or confined, control inlet channel's opening to make this inlet channel of external air hole get into put in the thing space, make to put thing space and external atmospheric pressure and balance rapidly, the door can be opened smoothly, realizes pressure balance through the mode of gas intercommunication, and not directly acts on box or door body surface, reduced the damage of opening the door and acting to the box.

Drawings

Fig. 1 is a schematic view of a refrigeration apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of the handle assembly and the chest opening of an embodiment of the present invention;

FIG. 2a is an enlarged view of a portion of FIG. 2A;

fig. 3 is a cross-sectional view of a refrigeration appliance according to an embodiment of the present invention in a closed state;

FIG. 3a is a partial enlarged view at B in FIG. 3;

fig. 4 is a sectional view of a refrigeration appliance according to an embodiment of the present invention in an open state;

FIG. 4a is an enlarged view of a portion of FIG. 4C;

1000 parts of refrigeration equipment; 100. a handle assembly; 10. a door body connecting part; 20. a pressing part; 21. a pressing member; 211. a holding surface; 212. pressing the handle; 22. a lever member; 23. a driving member; 24. a first elastic member; 30. a handle portion; 31. a slot hole; 200. a case; 210. a cabinet opening; 2110. an air intake passage; 2111. a first channel; 2112. a second channel; 2113. an outer air inlet; 2114. an inner air inlet; 220. a pressure release valve; 221. a pressure release member; 2211. a first columnar portion; 2212. a second column section; 2213. a third columnar portion; 222. a second elastic member; 300. a door body.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

It will be appreciated that terms such as "upper," "above," "lower," "below," and the like, as used herein, refer to spatially relative positions and are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

An embodiment of the present invention provides a refrigeration apparatus that facilitates opening of a door body, which can rapidly balance pressure differences between inside and outside.

The refrigeration device 1000 of the present embodiment may be a refrigerator, a freezer, a vertical freezer, a wine cabinet, etc., and the following embodiments will be described with reference to a freezer. The refrigerator includes a case 200, a storage space having an opening provided in the case 200, a door 300 covering the opening, and a handle assembly 100 connected to the door 300, as shown in fig. 1. The door 300 is connected with the case 200 through a hinge, and the handle assembly 100 is disposed at the other side away from the hinge.

To clearly express the position and direction described in the present embodiment, the handle assembly 100 is defined to be located in front of the door body 300, the hinge is located at the rear of the case 200, the direction of the door body 300 with respect to the case 200 is defined as up, the reverse direction is defined as down, and both sides facing the handle assembly 100 from the front are defined as left and right, respectively.

Pressure relief part

The case 200 of the present embodiment includes a pressure relief portion, the pressure relief portion includes an intake passage 2110 and a pressure relief valve 220, the intake passage 2110 has an outer intake port 2113 and an inner intake port 2114, the outer intake port 2113 is used for communicating with the outside, and the inner intake port 2114 is used for communicating with the storage space. The pressure release valve 220 is used for controlling the communication and the separation between the storage space and the outside, i.e. the outside is the outside air space, the air pressure is normal air pressure, the storage space is used for refrigeration, and the temperature in the storage space is generally less than the outside temperature.

As shown in fig. 2, the case 200 includes a cabinet opening 210, an air intake passage 2110 is provided inside the cabinet opening 210, and an outer air intake 2113 is provided at a surface of the cabinet opening 210 facing the handle assembly 100. The external air inlet 2113 of the present embodiment is provided on the upper surface of the cabinet opening 210.

As shown in fig. 2a, the chest 210 may include a portion of an outward protrusion, with an external air inlet 2113 provided on an upper surface of the protrusion.

As shown in fig. 3a or 4a, the intake passage 2110 of the present embodiment includes a first passage 2111 extending in a first direction, and a second passage 2112 inclined to the first direction; when the pressure release valve 220 does not block the air intake passage 2110, the storage space, the inner air intake 2114, the second passage 2112, the first passage 2111, the outer air intake 2113, and the outside are sequentially communicated.

The first direction of this embodiment may be parallel to the vertical direction, the first direction being a downward direction, the second channel 2112 being inclined to the first channel 2111, in this embodiment by an angle of 90 °, as shown in fig. 3a or 4 a.

The pressure release valve 220 includes a pressure release member 221, the pressure release member 221 is disposed in the first channel 2111, the pressure release member 221 includes a first columnar portion 2211, a second columnar portion 2212, and a third columnar portion 2213 that are sequentially disposed, the cross section of the first columnar portion 2211 is smaller than the area of the cross section of the first channel 2111, the cross section of the second columnar portion 2212 is smaller than the area of the cross section of the first columnar portion 2211, and the cross section of the third columnar portion 2213 is equal to the area of the cross section of the first channel 2111;

when the pressure release valve 220 blocks the intake passage 2110, the third columnar portion 2213 abuts against the second passage 2112; when the pressure release valve 220 does not block the intake passage 2110, the outside is communicated to the second passage 2112 through the gap between the first cylindrical portion 2211 and the first passage 2111 and the gap between the second cylindrical portion 2212 and the first passage 2111.

The pressure release valve 220 further includes a second elastic member 222, where one end of the second elastic member 222 abuts against the case 200, and the other end abuts against the pressure release member 221, and when the pressure release member 221 moves downward, the second elastic member 222 always has a tendency to drive the pressure release member 221 to move in a direction opposite to the first direction. The second elastic member 222 may be provided as a spring, and the second elastic member 222 is compressed.

When the handle assembly 100 does not exert force on the pressure release member 221, or the handle assembly 100 is not operated, the third columnar portion 2213 completely covers one end of the second passage 2112 facing the first passage 2111, insulation between the air inlet passage 2110 and the outside is ensured, and the surface of the pressure release member 221 is flush with the outer air inlet 2113, so that a notch is not formed on the upper surface of the cabinet opening 210 to fall into dust and food after the door is opened. And the second elastic member 222 may maintain a state in which the surface of the pressure relief piece 221 is flush with the upper surface of the outer intake port 2113.

When the handle assembly 100 applies a force to the pressure release member 221, the second passage 2112 is exposed to the other region than the third cylindrical portion 2213 toward one end of the first passage 2111, so that the intake passage 2110 can be communicated with the outside.

Handle assembly 100

The handle assembly 100 of the present embodiment includes a door body coupling portion 10, a pressing portion 20, and a handle portion 30.

The door body connecting portions 10 are fixedly connected to the door body 300, two groups of door body connecting portions 10 can be arranged side by side left and right, as shown in fig. 2, the handle portion 30 is connected between the two door body connecting portions 10, the door body connecting portions 10 and the handle portion 30 can be integrally formed, or the handle portion 30 and the door body connecting portions 10 can be formed by buckling an upper cover and a lower cover.

The pressing part 20 comprises a pressing part 21 and a driving part 23, as shown in fig. 2a, the pressing part 21 is movably connected to the door body connecting part 10, the pressing part 21 has a closed state and an open state, a limit structure can be arranged in the door body connecting part 10 or the handle part 30 to limit the movement range of the pressing part 21, one limit position of the movement of the pressing part 21 is the closed state, and the other limit position of the movement is the open state. The movement direction from the closed state to the open state may be upward movement, in accordance with the direction of opening the door.

The closing state of the pressing member 21 is also a state in which the intake passage 2110 is closed, and when the pressing member 21 is in the open state, the intake passage 2110 may be opened, or the pressure release member 221 may be restored to the state of blocking the intake passage 2110 by the second elastic member 222 after the door 300 is completely lifted.

The driving member 23 may drive the relief 221 to move in the first direction.

In the closed state, the pressure release member 221 blocks the intake passage 2110;

in the process of switching the closed state to the open state, the driving member 23 drives the pressure release member 221 to move in the first direction until the storage space is communicated with the outside through the air inlet channel 2110. At this time, the pressure release member 221 moves downward until the second cylindrical portion 2212, or the first cylindrical portion 2211, or even the upper region of the first cylindrical portion 2211 is aligned with the second passage 2112.

Further, in this embodiment, the pressing portion 20 further includes a lever member 22, and the pressing member 21 can extend from the position of the left door body connecting portion 10 to the position of the right door body connecting portion 10, so that pressing any position between the left and right door body connecting portions 10 can press the pressing member 21, and then trigger the movement of the lever member 22 to realize the movement of the driving member 23.

Further, the pressing portion 20 further includes a first elastic member 24, one end of the first elastic member 24 abuts against the door body connecting portion 10, and the other end abuts against the driving member 23, and the first elastic member 24 always has a tendency to urge the driving member 23 to move in a direction opposite to the first direction. The first elastic member 24 is provided as a spring so that the driving member 23 is moved to a position farthest from the second elastic member 222 after the pressing force is removed.

Further, one end of the lever member 22 abuts against the pressing member 21, the other end abuts against the driving member 23, a rotation shaft is provided between both ends of the lever member 22, and the movement direction of the pressing member 21 and the driving member 23 is opposite. Thus, since the first direction is the direction toward the case 200, the driving member 23 moves toward the case 200, and when the door is opened, the door 300 moves away from the case 200, the direction of movement of the pressing member 21 is opposite to the direction of movement of the driving member 23, and the direction of movement of the pressing member 21 is the same as the direction of movement of the door 300, so that the pressure difference between the inside and outside is balanced while the door is opened conveniently.

In combination with the door 300 of the present embodiment being disposed above the case 200, the driving member 23 is disposed above the pressure release member 221, and the direction of movement of the pressing member 21 is the same as the direction of movement of the door 300 during the switching between the closed state and the open state. This allows the pressure release member 221 to be opened by an upward force applied while the door 300 is pulled up, so that the internal and external pressure differences are balanced.

As shown in fig. 3a or 4a, the lower cover of the present embodiment is provided with a slot 31, and the pressing member 21 includes a holding surface 211 and a pressing handle 212, wherein the pressing handle 212 extends to the lower side of the slot 31 through the slot 31, the holding surface 211 is disposed above the slot 31, and the width of the holding surface 211 is larger than the width of the slot 31, so that the pressing member 21 cannot fall out of the slot 31. The pressing member 21 is provided to extend downward under the lower cover, so that the pressing member 21 can be conveniently held to move upward when the door is opened, opposite to the moving direction of the driving member 23.

The main movement mode of the technical proposal is to control the switch of the gas channel through the driving piece 23, when the lever piece 22 is not arranged, the movement direction of the pressing piece 21 can be the same as the movement direction of the driving piece 23, so the position of the pressing piece 21 can not be limited below the handle part; the handle can be arranged above the handle, and even the handle is arranged on the side face through a lever structure with other shapes, so that the handle is convenient for a user to operate.

The lever member 22 is provided with an arc surface toward one end of the pressing member 21, the abutting surface 211 is provided with an arc surface toward one side of the lever member 22, as shown in fig. 2a, 3a and 4a, the lever member 22 moves in an arc shape toward one end of the pressing member 21 around the rotation shaft, so that the abutting surface 211 in contact with the lever member 22 is also provided with an arc shape, and the contact between the abutting surface 211 and the lever member 22 is smoother, thereby avoiding stress concentration.

Further, the side of the driving member 23 facing the lever member 22 is provided as a plane, and the lever member 22 slides on the surface of the driving member 23 during the switching between the closed state to the open state, as shown in fig. 3a to 4 a.

In addition, in order to avoid frosting of the air inlet channel 2110, a molecular sieve structure can be added in the air inlet channel 2110, so that frosting in the air inlet channel 2110 is reduced.

The door opening process is described below:

when the door 300 is closed and the pressing member 21 is not pressed, the pressure release member 221 seals the air intake passage 2110, and external air cannot enter the storage space;

when the door is opened, the user holds the handle portion, the user inevitably holds the pressing piece 21 because the pressing piece 21 extends from left to right, and when the user applies an upward force to the handle assembly 100 because the pressing piece 21 extends downward under the lower cover, the user inevitably applies an upward force to the pressing piece 21, so that the user does not need to press the pressing piece 21 deliberately and naturally applies an upward force to the pressing piece 21 in the process of opening the door. The pressure release piece 221 moves downwards through the transmission among the components, the air inlet channel 2110 is opened, and external air enters the refrigerator through the air inlet channel 2110 to realize internal and external air pressure balance, so that a user can conveniently open the door;

after the door 300 is opened, since the pressure release member 221 is not pressed by the pressing portion 20, the pressure release member 221 moves upward under the action of the second elastic member 222 until the surface of the pressure release member 221 is flush with the outer air inlet 2113, so that a gap is not formed on the upper surface of the cabinet opening 210 to drop dust and food;

after the user closes the door 300 and releases his/her hand, the driving member 23 is restored to an original state by the first elastic member 24, that is, a state in which the pressure release member 221 seals the intake passage 2110.

Compared with the common technology, the embodiment has the following beneficial effects:

this refrigeration plant 1000 can make the pressure differential balance of putting thing space and external before opening the door, makes to open the door more laborsaving, through setting up the inlet channel 2110 that can be opened or confined, control inlet channel 2110's opening to make this inlet channel 2110 of external air hole get into putting in the thing space, make to put thing space and external atmospheric pressure and balance rapidly, the door body 300 can be opened smoothly, realizes pressure balance through the mode of gas intercommunication, and not directly acts on box 200 or door body 300 surface, has reduced the damage of opening the door action to box 200.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims

1. The refrigeration equipment comprises a box body, a door body and a handle assembly, wherein the box body encloses a storage space with an opening, and the door body is used for closing the opening;

the handle assembly includes:

the door body connecting part is fixedly connected to the door body;

in the closed state, the pressure release piece cuts off the air inlet channel;

2. The refrigeration appliance according to claim 1, wherein the pressing portion further includes a first elastic member having one end abutting against the door body connecting portion and the other end abutting against the driving member, the first elastic member always having a tendency to urge the driving member to move in a direction opposite to the first direction.

3. The refrigeration apparatus of claim 1 wherein said pressure relief valve further comprises a second resilient member having one end thereof abutting said tank and another end thereof abutting said pressure relief member;

in the process of switching the closed state to the open state, the second elastic piece always has a trend of driving the pressure release piece to move in the direction opposite to the first direction.

4. The refrigeration unit of claim 1 wherein said cabinet includes a cabinet opening, said air inlet passage being disposed within said cabinet opening, said cabinet opening being disposed toward a surface of said handle assembly with said external air inlet.

5. The refrigeration apparatus according to claim 1, wherein the pressing portion further includes a pressing piece and a lever piece, one end of the lever piece abuts against the pressing piece, the other end abuts against the driving piece, a rotation shaft is provided between both ends of the lever piece, and a direction of movement of the pressing piece is opposite to a direction of movement of the driving piece.

6. The refrigeration appliance according to claim 5, wherein said door body is disposed above said case, said driving member is disposed above said pressure release member, and a moving direction of said pressing member is the same as a moving direction of said door body during switching between said closed state and said open state.

7. The refrigeration appliance according to claim 5 wherein said handle assembly further includes a handle portion connected to said door body connecting portion, said handle portion including an upper cover and a lower cover, said lower cover having a slot, said pressing member including a holding surface and a pressing handle, said pressing handle extending through said slot to below said slot, said holding surface being disposed above said slot;

8. The refrigeration apparatus according to claim 7, wherein said door body connecting portions are arranged in two groups side by side from left to right, and said pressing member extends from a position of said door body connecting portion on the left side to a position of said door body connecting portion on the right side.

9. The refrigeration apparatus according to claim 5, wherein a side of said driving member facing said lever member is provided as a plane, and said lever member slides on a surface of said driving member during a transition between said closed state and said open state.

10. The refrigeration apparatus of claim 1 wherein the air intake passage comprises a first passage extending in a first direction and a second passage oblique to the first direction;

in the closed state, the third columnar part completely covers one end of the second channel facing the first channel, and the surface of the pressure release part is flush with the outer air inlet;

during the process of switching the closed state to the open state, one end of the second channel facing the first channel is exposed to other areas except the third columnar portion.