CN221146908U - Refrigerating equipment - Google Patents

Abstract

The utility model discloses a refrigeration device, comprising: a case; the door body is connected to the box body; a pressure balance member assembled in the door body and/or the case body, the main passage being formed therein, the main passage having an air inlet portion communicating with an outer space of the case body and a case body communicating portion communicating with the inner space of the case body; and an auxiliary channel arranged at the side of the main channel, the auxiliary channel having an air outlet communicating with the storage chamber; a sliding member disposed in the main passage in sliding sealing connection with the main passage, between the air intake portion and the tank communicating portion, having a first sliding position and a second sliding position; an elastic restoring member disposed in the main passage; the sliding part slides to a first sliding position, so that the air inlet part, the main channel, the auxiliary channel and the air outlet part are communicated; the sliding member separates the main channel from the auxiliary channel when the sliding member is returned to the second sliding position by the elastic return member. The utility model can solve the problem of difficult door opening of refrigeration equipment.

Description

Refrigerating equipment

Technical Field

The utility model relates to the technical field of refrigeration equipment, in particular to an improvement of a refrigeration equipment structure with a pressure automatic balancing device.

Background

Refrigerating equipment, such as a low-temperature refrigerator or a refrigerator, is widely applied to production and life, the structure of the refrigerating equipment mainly comprises a box body, a door body and a refrigerating system, a storage space is formed in the box body, the door body is rotationally connected to the box body to open or close the storage space, and the temperature in the storage space is low.

The refrigerating system is arranged in the box body and is mainly used for refrigerating the storage space, the refrigerating system is formed by connecting a compressor, a condenser, an evaporating device and a throttling device through a refrigerant circulation pipeline, and the refrigerating system is used for providing cold energy for the storage space so as to refrigerate the inside of the box body.

When the temperature in the box is lower, and in order to achieve the maximum effect of freezing and refrigerating, the box needs to be kept airtight, the air pressure in the box is continuously reduced along with the reduction of the temperature, and the larger difference in temperature between the inside and the outside causes the larger difference in pressure between the inside and the outside, so that the door opening problem is caused.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

Aiming at the problems pointed out in the background art, a novel refrigeration device is provided, an air pressure automatic balancing device capable of automatically balancing pressure is arranged above the refrigeration device, and when pressure difference exists between the inner space and the outer space of the box body, the pressure inside the box body and the pressure outside the box body can be automatically balanced so as to approach the problem that a user can not easily open the door.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

In some embodiments of the present application, there is provided a refrigeration apparatus including:

A case body in which a storage chamber is formed;

A refrigeration system assembled in the case and including an evaporator configured to cool the storage chamber;

A door body connected to the case body and configured to open and close the storage chamber, and to form a closed storage space with the case body when the door body is in a closed state;

The automatic air pressure balancing device is arranged in the door body and/or the box body and is used for balancing the internal and external pressure of the box body when the pressure difference exists between the storage chamber and the external space of the box body, and comprises:

A pressure balance member assembled in the door body and/or the tank body, the main passage being formed therein, the main passage having an air inlet portion communicating with an external space of the tank body and a tank body communicating portion communicating with the internal space of the tank body;

And an auxiliary channel disposed at a side of the main channel, the auxiliary channel having an air outlet portion communicating with the storage chamber;

A sliding member disposed in the main passage in sliding sealing connection with the main passage, between the air intake portion and the tank communicating portion, having a first sliding position and a second sliding position;

an elastic restoring member disposed in the main passage for restoring the sliding member;

the sliding part is compressed and slid to a first sliding position when a pressure difference exists between the inner space and the outer space of the box body, so that the air inlet part, the main channel, the auxiliary channel and the air outlet part are communicated;

When the pressure in the inner space and the pressure in the outer space of the box body are equal, the sliding part is reset to the second sliding position through the elastic reset part so as to separate the main channel from the auxiliary channel.

In some embodiments of the application, the sliding member is disposed in the main passage to divide the main passage into a first passage near the inner space of the case, the first passage communicating with the inner space of the case;

and a second passage adjacent to the case outside space, the second passage communicating with the case outside space;

Wherein the second passage and the auxiliary passage communicate when the sliding member is in the first sliding position;

the second channel and the auxiliary channel are spaced apart when the slide member is in the second slide position.

In some embodiments of the present application, the pressure balancing component comprises:

A balance base portion;

And a balance body portion vertically connected to the balance body portion, the main channel being formed in the balance body portion;

And the auxiliary channel body is formed by bending downwards from the side part of the balance main body part, one end of the auxiliary channel body is connected to the balance main body part and penetrates through the balance main body part, the other end of the auxiliary channel body is connected to the balance main body part and penetrates through the balance main body part, and the auxiliary channel body is formed with the auxiliary channel.

In some embodiments of the present application, first openings are formed at two ends of the balance main body, a cover member is assembled at the first openings, the cover member is connected with the main channel in a sealing manner, and the air inlet portion is disposed on the cover member;

and a second opening portion, the balance base portion being laterally arranged at the second opening portion, and a plurality of communication portions penetrating the balance base portion to communicate the tank interior space and the first passage being provided on the balance base portion.

In some embodiments of the present application, the pressure automatic balancing device is disposed in the door body, and the door body includes:

a door body front shell component forming the front surface of the door body;

The door body inner container part is arranged opposite to the door body front shell part and forms a storage space with the box body in a surrounding way;

The door body turnover part is connected with the door body front shell part and the door body inner container part, the door body front shell part and the door body inner container part are enclosed to form the door body installation cavity, the door body installation cavity is filled with a foaming layer, and the balance part is embedded in the foaming layer.

In some embodiments of the application, the door body front shell component has a first mounting portion formed thereon;

a second mounting part is formed on the door body inner container part;

When the balance component is assembled in the door body mounting cavity, the cover component is assembled in the first mounting part and is flush with the outer side surface of the door body front shell component;

the balance base body part is assembled in the second installation part and is flush with the inner side surface of the door inner container part.

In some embodiments of the present application, the auxiliary channel body is disposed on a lower section of the balance body, and 1 auxiliary channel body is disposed on one side of the balance body;

Or a plurality of balance body parts are arranged uniformly along the circumferential direction of the balance body parts.

In some embodiments of the present application, the sliding member includes a sliding body portion having a recess formed thereon;

and a plurality of sliding protrusions formed on an outer circumference of the sliding body portion, the sliding protrusions being arranged at equal intervals along a length direction of the sliding body portion;

A support member is provided on the balance base portion;

And the elastic reset component is arranged in the second channel, one end of the elastic reset component is propped against the concave part, and the other end of the elastic reset component is propped against and fixed on the supporting component.

In some embodiments of the present application, the supporting member includes:

a support body portion;

and a plurality of support leg portions formed from the support body portion, the support leg portions being arranged along a circumferential direction of the support body portion;

The clamping support legs are arranged in a plurality, are alternately arranged on the support body part with the support legs, and are provided with clamping protrusions for clamping the elastic reset parts.

In some embodiments of the present application, a refrigeration apparatus includes:

A case body in which a storage chamber is formed;

A refrigeration system assembled in the case and including an evaporator configured to cool the storage chamber;

A door body connected to the case body and configured to open and close the storage chamber, and to form a closed storage space with the case body when the door body is in a closed state;

The automatic pressure balancing device is assembled on the door body and/or the box body and is used for balancing the pressure in the inner space and the outer space of the box body when the pressure difference exists between the storage space and the outer space of the box body;

The pressure balance component is communicated with the external space of the box body;

Comprises a main channel which is communicated with the internal space of the box body and the external space of the box body;

An auxiliary channel communicated with the space in the box body and provided with a channel port communicated with the main channel;

the sliding part is positioned in the main channel and is in sliding sealing connection with the main channel so as to separate the inner space of the box body from the outer space of the box body;

Wherein the sliding part can slide relative to the main channel to block or open the channel port, so that the auxiliary channel is communicated or separated from the external space of the box body through the main channel.

Compared with the prior art, the utility model has the advantages and positive effects that:

The automatic air pressure balancing device can automatically balance the air pressure of the inner space of the box body under the conditions that the air pressure in the box body is too low and the negative pressure is too high, and can effectively solve the problem that the door is difficult due to the too low air pressure in the box body when the refrigerator and the refrigerator are used.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a perspective view of a refrigerating apparatus according to an embodiment;

fig. 2 is a schematic view of a door structure of a refrigeration apparatus according to an embodiment;

Fig. 3 is a second schematic view of a door structure of the refrigeration apparatus according to the embodiment;

fig. 4 is a schematic diagram III of a door structure of a refrigeration apparatus according to an embodiment;

fig. 5 is a schematic diagram of a pressure automatic balancing apparatus of a refrigeration apparatus according to an embodiment;

Fig. 6 is a second schematic structural diagram of a pressure automatic balancing device of a refrigeration apparatus according to an embodiment;

Fig. 7 is a top view of a pressure automatic balancing apparatus of a refrigeration appliance according to an embodiment;

FIG. 8 is a cross-sectional view taken along A-A of FIG. 7;

fig. 9 is a schematic structural view of a main passage of a pressure automatic balancing apparatus of a refrigeration apparatus according to an embodiment;

fig. 10 is a schematic view showing a structure in which an elastic restoring member of a refrigeration apparatus according to an embodiment is assembled inside a pressure balance member;

Fig. 11 is a schematic structural view of a pressure balance member of a refrigeration apparatus according to an embodiment;

Fig. 12 is a schematic structural view of a supporting member of a refrigeration apparatus according to an embodiment;

fig. 13 is a second schematic structural view of a supporting member of the refrigeration apparatus according to the embodiment;

Fig. 14 is a schematic structural view of a cover member of the refrigeration apparatus according to the embodiment.

Reference numerals:

100. A case; 110. a storage chamber; 200. a door body; 210. a door body front shell component; 211. a first mounting portion; 220. a door liner component; 221. a second mounting portion; 230. a door body turnover part;

300. A pressure balancing member; 310. a main channel; 320. an air inlet part; 331. a box body communicating portion; 313. a first channel; 314. a second channel; 330. a balance base portion; 340. a balance main body part; 350. an auxiliary channel body;

400. An auxiliary channel; 410. an air outlet portion;

500. A sliding member; 510. a sliding body portion; 511. a recessed portion; 520. a sliding boss;

600. an elastic restoring member; 700. a cover member;

800. A support member; 810. a first seat portion; 820. a second seat portion; 830. supporting leg parts; 840. clamping supporting legs; 841. a bulge is clamped; 850. a gap.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The refrigerating equipment in the application is equipment used for refrigerating such as a refrigerator or a freezer.

Which generally includes a cabinet 100, a door 200, and a refrigeration system.

Wherein the refrigeration system performs a refrigeration cycle of the refrigeration apparatus by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation to effect refrigeration of the contents of the enclosure 100.

The low-temperature low-pressure refrigerant enters the compressor, the compressor compresses the refrigerant gas into a high-temperature high-pressure state, and the compressed refrigerant gas is discharged. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state formed by condensation in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator may cool the articles within the case 100 by using latent heat of vaporization of the refrigerant.

The storage chamber 110 is formed in the case 100, the storage chamber 110 is used for storing and freezing the articles, and the storage chamber 110 can be opened or closed by opening or closing the storage chamber 110 through the door 200 to meet the requirement of accessing the articles.

The front portion of the storage chamber 110 is formed with a front opening portion, and access operations for objects can be facilitated by the front opening portion at the front side of the storage chamber 110.

The case 100 includes a case housing and a case liner part disposed inside the case housing, the storage chamber for storing food being defined inside the case liner part.

A foaming cavity is formed between the box body shell and the box body liner part, and foaming materials are filled in the foaming cavity.

The refrigerating system is assembled in the box 100, and in arrangement, a compartment for placing a compressor, a condenser and a refrigerant pipeline of the refrigerating system can be separately separated from the box 100 and placed.

The evaporator is configured to cool the storage chamber 110, and the storage chamber 110 is cooled by the evaporator to ensure the temperature of the food located in the storage chamber 110.

The evaporator can be attached to the wall of the refrigerator liner and arranged in a complete surrounding manner, so that the evaporator has a sufficiently large contact area with the refrigerator liner, and the refrigerating effect of the storage chamber 110 is ensured.

A door 200 connected to the case 100 and configured to open and close the storage chamber 110, and a closed storage space is formed between the door 200 and the case 100 when the door is in a closed state.

In some embodiments of the present application, the door 200 is connected to the case 100 in a hinged manner to open and close the storage chamber 110, and a sealing rubber strip is provided on the door 200, which forms a sealed storage space with the case 100 when it is closed.

The automatic air pressure balancing device is arranged in the door body 200 and/or the box body 100 and is used for automatically balancing the internal and external pressure of the box body 100 when the pressure difference exists between the storage room and the external space of the box body 100;

The pressure in the internal space and the pressure in the external space of the box body 100 can be automatically balanced by the air pressure automatic balancing device, so that the pressure difference between the storage room in the box body 100 and the pressure in the external space can be eliminated, and the problem of difficult door opening can be avoided.

The gas pressure balancing means may be selectively disposed on the door body 200, or on the case body 100, or on both the door body 200 and the case body 100 when disposed, without being particularly limited thereto.

The automatic air pressure balancing device specifically comprises:

a pressure balancing member 300 assembled in the door 200 and/or the case 100, and having a main passage 310 formed therein, the main passage 310 having an air inlet 320 communicating with an external space of the case 100 and a case communicating portion 331 communicating with an internal space of the case 100;

The air inlet portion 320 is an air inlet hole for communicating the main channel 310 with the external space of the case 100;

The box communicating part 331 is a communication hole of the box 100, and is used for connecting the main channel 310 and the internal space of the box 100;

and an auxiliary passage 400 disposed at a side of the main passage 310, the auxiliary passage 400 having an air outlet portion 410 communicating with the storage chamber;

The air outlet portion 410 is an air outlet hole for connecting the inner space of the case 100 and the auxiliary passage 400.

The sliding component 500 is disposed in the main channel 310 and is in sliding sealing connection with the main channel 310, and the sliding component 500 is in sliding sealing connection with the main channel 310, so as to ensure tightness of the internal space of the box body 100 and ensure that the cooling capacity in the box body 100 cannot leak.

The sliding member 500 is disposed between the air inlet 320 and the case communicating portion 331 to divide the main passage 310, and is disposed between the air inlet 320 and the case communicating portion 331 to ensure that the gas pressure of the inner space of the case 100 and the gas pressure of the outer space of the case 100 can be applied to both sides of the sliding member 500, respectively, and the sliding member 500 can be pushed to slide with respect to the main passage 310 by the pressure to change the position when there is a pressure difference between the pressure of the inner space of the case 100 and the pressure of the outer space of the case 100.

In some embodiments of the present application, the sliding member 500 is a piston, which includes a sliding body portion 510;

And a plurality of sliding protrusions 520 formed at the outer circumference of the sliding body 510, the sliding protrusions 520 being disposed at equal intervals along the length direction of the sliding body 510.

In some embodiments of the present application, the sliding boss 520 is an annular boss that can ensure the tightness of the connection with the main channel 310 by being in pressing contact with the inside of the main channel 310.

The sliding member 500, when slid, can slide to a first sliding position and a second sliding position, respectively, which are switched between the first sliding position and the second sliding position by sliding relative to the main channel 310.

An elastic restoring member 600 disposed in the main passage 310 for restoring the sliding member 500;

The elastic restoring member 600 is an elastic restoring spring for restoring the sliding member 500.

When there is a pressure difference between the inner space and the outer space of the case 100, the sliding member 500 is compressively slid to a first sliding position such that the inlet portion 320, the main passage 310, the auxiliary passage 400, and the outlet portion 410 communicate;

when the pressure of the inner space and the outer space of the case 100 are equal, the sliding member 500 is restored from the first sliding position to the second sliding position by the elastic restoring member 600 to separate the main passage 310 from the auxiliary passage 400.

Since the main passage 310 communicates with the space inside the case 100 and the space outside the case 100, respectively, when the temperature inside the case 100 is low, the air pressure inside the case 100 is continuously reduced, and the temperature inside the case is lowered.

In the case where the air pressure is low, the sliding member 500 moves toward the case communicating portion 331 side by the atmospheric pressure outside the case 100 while compressing the elastic restoring member 600, and the sliding member 500 continuously moves the elastic restoring member 600, and when the elastic restoring member 600 is compressed to a certain amount, that is, when the sliding member 500 slides to the first sliding position, the sliding member 500 moves to a position below the auxiliary passage 400;

At this time, the auxiliary channel 400 is opened, the internal space of the box body 100 is communicated with the external space of the box body 100, the internal space of the box body 100 is balanced with the air pressure outside the box body 100, and the negative pressure in the internal space of the box body 100 disappears, so that the problem that the door cannot be opened due to the large negative pressure in the box body 100 is avoided;

When the negative pressure inside the casing 100 is eliminated, the negative pressure acting on the sliding member 500 is eliminated, and the force of the sliding member 500 on the elastic member is eliminated, and at this time, since the elastic return member 600 is compressed and is to recover the elastic deformation, a reverse elastic force is generated to the sliding member 500, so that the sliding member 500 is pushed to return from the first sliding position to the second sliding position, and the auxiliary passage 400 and the main passage 310 are separated by the sliding member 500, thereby sealing the space inside the casing 100.

The automatic air pressure balancing device in the embodiment can automatically balance the air pressure in the inner space of the box body 100 under the conditions that the air pressure in the box body 100 is too low and the negative pressure is too large, and can effectively solve the problem that the door is difficult due to too low air pressure in the box body when a refrigerator and a refrigerator product are in use.

The air pressure automatic balancing device in the embodiment has the advantages of simple integral structure, convenient use and installation and low cost.

The working principle of the automatic air pressure balancing device in the embodiment is as follows: according to the relation between pressure and temperature: pv=nrt.

Where p represents pressure, v represents volume, N is the number of gas molecules per unit volume, R is a constant, and T represents temperature.

When V, N, R is fixed, the pressure p and the temperature T are in a corresponding relationship, namely, the lower the temperature is, the lower the air pressure is.

When the inside of the case 100 is cooled at a low temperature, the temperature in the case 100 gradually decreases, and accordingly, the air pressure in the case 100 gradually decreases.

For the piston, the forces applied up and down mainly include the atmospheric pressure F1 acting on the piston, the pressure F2 in the tank, the force F3 of the elastic restoring member 600 on the piston, the friction force F4 of the piston and the wall of the main channel 310, when the device is in a static equilibrium state:

F1=F2+F3+F4

When the temperature T in the tank is continuously reduced, the pressure of the air pressure in the tank to the piston is reduced, and F2 becomes smaller.

F1＞F2+F3+F4

The piston descends, and at this time, the piston presses down the elastic restoring member 600, and the elastic force of the elastic restoring member 600 to the piston increases, thereby achieving a new equilibrium state:

F1=F2+F3+F4

When the temperature continues to decrease and the piston continues to descend, the side auxiliary passage 400 is turned on when the piston contacts the side auxiliary passage 400, the negative pressure in the tank is released, the piston moves upward under the action of the elastic restoring member 600, and the side auxiliary passage 400 is sealed, thereby completing one cycle.

By controlling the spring rate of the spring return member 600, the minimum temperature of the piston release pressure can be controlled, thereby effectively controlling the negative pressure in the tank in a stable range.

In some embodiments of the present application, the sliding member 500 is disposed in the main passage 310 to divide the main passage 310 into a first passage 313 adjacent to the inner space of the case 100, the first passage 313 communicating with the inner space of the case 100;

And a second passage 314 near the outside space of the case 100, wherein the second passage 314 communicates with the outside space of the case 100;

wherein the second channel 314 and the auxiliary channel 400 communicate when the sliding member 500 is in the first sliding position;

The second channel 314 is spaced from the auxiliary channel 400 when the slide member 500 is in the second slide position.

The sliding member 500 divides the first channel 313 and the second channel 314 such that air pressure entering from the first channel 313 acts on one side of the sliding member 500 and air pressure entering from the second channel 314 acts on the other side of the sliding member 500.

In the normal use state, the air pressures acting on both sides of the sliding member 500 are equal, the sliding member 500 does not move, and the second channel 314 and the auxiliary channel 400 are blocked and separated;

When the air pressures on both sides of the sliding member 500 are not equal, the sliding member 500 moves so that the second passage 314 and the auxiliary passage 400 communicate, so that the air pressure inside the case 100 and the air pressure outside the case 100 quickly reach equilibrium.

In some embodiments of the present application, the pressure balancing component 300 includes:

A balance base 330; the balance base portion 330 is a balance base plate for supporting the pressure balance member 300.

And a balance body part 340 vertically connected to the balance body part 330, the main channel 310 being formed in the balance body part 340;

The balance body 340 is a balance body sleeve, in which a main passage 310 is formed along an axis thereof, and the bottom of the balance body 340 is fixedly connected to the balance body 330.

An auxiliary passage body 350 formed by bending downward from the side of the balance body 340, one end of which is connected to the balance body 340 and provided through the balance body 340, the other end of which is connected to the balance body 330 and provided through the balance body 330, and the auxiliary passage 400 being formed in the auxiliary passage body 350.

The auxiliary channel body 350 is a bent auxiliary channel 400 pipe, and an auxiliary channel 400 is formed inside the auxiliary channel body, and comprises a first bending section and a second bending section connected with the first bending section, wherein an included angle between the first bending section and the second bending section is 90 degrees.

The auxiliary channel 400 has one end penetrating the balance body portion 340 and one end penetrating the balance body portion 330, and both ends thereof are respectively formed with a first connection port and an air outlet portion 410.

The first connection port communicates with the main channel 310, and the air outlet portion 410 is an air outlet, and communicates with the auxiliary channel 400 and the internal space of the case 100.

When the sliding member 500 is in the second sliding position, it is positioned within the main channel 310 and is blocked at the first connection point position to separate the auxiliary channel 400 from the main channel 310.

When the sliding member 500 is in the first sliding position, it moves to open the first connection port so that the auxiliary passage 400 and the main passage 310 communicate with each other.

In some embodiments of the present application, first openings are formed at both ends of the balance body 340, respectively, a cover member 700 is mounted at the first openings, the cover member 700 is connected with the main channel 310 in a sealing manner, and the air inlet 320 is disposed on the cover member 700;

The air inlet portion 320 is an air inlet hole formed on the cover member 700, and a plurality of air inlet holes may be uniformly arranged on the cover member 700.

In some embodiments of the present application, to achieve a sealed connection between the cover member 700 and the balance body portion 340, the cover member 700 is structured to include: the cover comprises a cover body part and a cover screw section connected to the cover body part, wherein an external thread is arranged on the cover screw section;

An internal thread is provided on the inner wall of the main channel 310, and the cover member 700 is screwed into the main channel 310 by means of the cover thread segments to achieve a sealed connection between the same and the balance body 340.

To further enhance the sealing effect between the cover member 700 and the balance body 340, an annular seal ring is provided between the end surfaces of the cover body and balance body 340 opposite to the cover body.

The balance main body 340 has a second opening portion at the other side thereof, and the balance base 330 is laterally blocked at the second opening portion to block it.

The balance base portion 330 is provided with a plurality of case communicating portions 331 penetrating the balance base portion 330 to communicate the inner space of the case 100 with the first passage 313.

The communication parts are communication holes, are uniformly arranged at the positions of the balance base part 330 corresponding to the positions of the second opening parts, and can be used for ensuring that the air pressure in the box body 100 can enter the first channel 313 through the communication holes and then act on the sliding part 500 through the arrangement of the communication holes.

In some embodiments of the present application, the pressure automatic balancing apparatus is disposed within the door body 200.

The door body 200 includes:

a door body front case member 210 constituting a front surface of the door body 200;

the door liner part 220 is arranged opposite to the door front shell part 210 and forms a storage space with the box body 100;

The door body turnover part 230 connects the door body front shell part 210 and the door body inner container part 220, and encloses the door body front shell part 210 and the door body inner container part 220 to form the door body installation cavity, the door body 200 installation cavity is filled with a foaming layer, and the pressure balance part 300 is embedded in the foaming layer.

When specifically arranged, the pressure balance component 300 is integrally embedded in the foaming layer and is arranged perpendicular to the door liner component 220 and the door front shell component 210.

The pressure balance component 300 is embedded in the foaming layer, so that the hidden installation of the pressure balance component is realized, and the overall attractiveness is enhanced.

The pressure balance component 300 is embedded in the foaming layer, so that the pressure balance component can be firmly pressed and fixed through extrusion of foaming materials, and the firmness of fixed connection of the pressure balance component is ensured.

In some embodiments of the present application, the door body front case part 210 is formed with a first mounting part 211 thereon; the door liner 220 is formed with a second mounting portion 221;

The first mounting portion 211 is a first mounting hole formed in the door front case member 210;

the second mounting portion 221 is a second mounting hole formed in the door liner 220.

When the balance member is assembled in the installation cavity of the door body 200, the cover member 700 is assembled in the first installation portion 211 and is flush with the outer side surface of the door body front case member 210;

The balance base portion 330 is fitted in the second mounting portion 221 so as to be flush with the inner surface of the door liner member 220.

The profile shape of the first mounting hole is adapted to the profile shape of the cover member 700, and after the pressure balance member 300 is assembled, the cover member 700 faces to the outside and is arranged in the first mounting hole, and since the first mounting hole is adapted to the profile of the cover member 700 and the outer side surfaces of the cover member 700 and the door front case member 210 are flush, the overall aesthetic appearance and consistency are good when seen from the door front case member 210.

The profile shape of the second mounting hole and the profile shape of the balance base portion 330 are adapted so that the balance base portion 330 can be fitted in the second mounting hole in a matching manner, and since the balance base portion 330 is flush with the inner side surface of the door liner member 220, the door body 200 is attractive when seen from the door liner member 220 side.

In some embodiments of the present application, the auxiliary channel body 350 is provided on the lower section of the balance body part 340, which is provided with 1, arranged at one side of the balance body part 340;

That is, when the auxiliary channel bodies 350 are arranged, one auxiliary channel body can be independently arranged, and when a pressure difference exists between the inner space of the box body 100 and the outer space of the box body 100, the auxiliary channel bodies 350 are rapidly communicated with the main channel 310, so that the effect of eliminating the negative pressure in the box body 100 is achieved.

Or in some embodiments of the present application, the auxiliary channel bodies 350 are provided in plurality correspondingly, and are uniformly arranged along the circumferential direction of the balance main body 340.

Through setting up a plurality of auxiliary channel bodies 350, can be when sliding part 500 slides to the first sliding position, switch on simultaneously with main channel 310 through a plurality of auxiliary channel bodies 350, the air current accessible a plurality of auxiliary channel bodies 350 that enter into main channel 310 from box 100 outside space enters into box 100 inside space respectively, has increased the air input that enters into box 100 inside space, can make box 100 inside space and box 100 outside space can be quick reach the atmospheric pressure balanced state to reach the effect of quick elimination box 100 inside negative pressure.

In some embodiments of the present application, the sliding body 510 has a recess 511 formed thereon;

The concave portion 511 is a concave groove formed at the bottom of the sliding body portion 510.

The balance base 330 is provided with a support member 800, and the support member 800 is fixed to the balance base 330 for assembly.

In some embodiments of the present application, a plug hole is provided on the balance base 330, and the support member 800 is fixed in the plug hole by interference plug, so as to achieve connection fixation between the support member and the balance base 330.

An elastic restoring member 600 is disposed in the second channel 314, with one end abutting in the recess 511 and one end abutting and fixed on the supporting member 800.

The elastic restoring member 600 is an elastic restoring spring or restoring elastic sheet.

When the assembly is carried out, the support member 800 is integrally sleeved with one end of the support member, the support member is inserted into the concave portion 511, and one end of the support member abuts against the end portion of the support member 800 to realize assembly and fixation.

By arranging one end of the elastic restoring member 600 in the concave portion 511, the firmness of the assembly and fixation of the elastic restoring member 600 can be ensured in such a manner that one end abuts against the end of the supporting member 800 and is integrally sleeved on the supporting member 800, and the movement of the elastic restoring member 600 can be guided by the supporting member 800.

Since the support member 800 is fixedly mounted on the balance base portion 330, the elastic restoring member 600 between the support member 800 and the sliding member 500 is compressed when the sliding member 500 slides.

In some embodiments of the present application, the support member 800 includes:

The support body portion constitutes a base of the support member 800. Which is an annular supporting seat body for being inserted into the balance base portion 330.

In some embodiments of the present application, the annular supporting base includes:

The first seat portion 810, which is ring-shaped, is disposed at a bottom position of the support member 800;

The second seat portion 820 is ring-shaped and is disposed at an upper position of the support member 800 opposite to the first seat portion 810 with a space therebetween.

And a support leg portion 830 formed from the support body portion;

The support leg portion 830 is used for connecting the first seat portion 810 and the second seat portion 820 to realize a supporting effect on the whole support member 800, and the support leg portion 830 is provided with a plurality of support leg portions, which are arranged along the circumferential direction of the first seat portion 810.

The clamping leg portions 840 are alternately arranged on the support body portion with the support leg portions 830, and clamping protrusions 841 for clamping the elastic restoring member 600 are provided on the clamping leg portions 840.

The engaging leg portion 840 is connected to the second housing portion 820, extends from the second housing portion 820 toward the first housing portion 810 along the axial direction of the support member 800, and has a space from the first housing portion 810.

A locking protrusion 841 extending from the locking leg 840 is provided at an end of the locking leg 840 near the first base 810.

The plurality of the locking leg portions 840 are also provided in correspondence, are uniformly arranged along the circumferential direction of the supporting member 800, and are alternately arranged with the supporting leg portions 830.

The clamping leg 840 is a clamping leg, the supporting leg 830 is a supporting leg, and the clamping leg and the outer side of the supporting leg are flush.

When the elastic restoring member 600 is assembled, it is sleeved on the clamping leg portion 840 and the supporting leg portion 830, and the bottom portion abuts against the clamping protrusion 841.

A gap is formed between the adjacent click leg portion 840 and the support leg portion 830. 850

When the support member 800 is assembled to the balance base 330, the air flow in the case 100 can also enter the gap between the engaging leg 840 and the support leg 830 through the annular hole in the middle of the first seat 810, and then flow out through the gap to act on the slide member 500.

In some embodiments of the present application, a refrigeration apparatus includes:

The automatic pressure balancing device is assembled on the door body 200 and/or the box body 100 and is used for balancing the pressure of the inner space and the outer space of the box body 100 when the pressure difference exists between the storage space and the outer space of the box body 100;

The pressure balancing part 300 includes a main passage 310 communicating the inner space of the case 100 with the outer space of the case 100;

An auxiliary passage 400 communicating with the inner space of the case 100 and having a passage opening communicating with the main passage 310;

A sliding member 500 disposed in the main passage 310 and slidably coupled to the main passage 310 to separate an inner space of the case 100 from an outer space of the case 100;

Wherein the sliding member 500 can slide with respect to the main passage 310 to block or open the passage opening such that the auxiliary passage 400 communicates with or is partitioned from the external space of the case 100 through the main passage 310.

The main passage 310 is divided by the sliding member 500 provided so that the pressure of the inner space of the case 100 and the pressure of the outer space of the case 100 are applied to both side positions of the sliding member 500,

When the internal pressure of the casing 100 and the external pressure of the casing 100 are equal, the sliding member 500 is maintained at the position to block the passage opening to separate the auxiliary passage 400 from the external space of the casing 100, and also to block the main passage 310 so that the internal space of the casing 100 and the external space of the casing 100 are not communicated.

When the internal pressure of the box 100 is smaller than the external pressure of the box 100, the sliding part 500 moves towards the inside of the box 100 under the action of atmospheric pressure, the position of the sliding part is changed by sliding relative to the main channel 310, the channel opening is arranged on the moving path of the sliding part 500 moving towards the internal space side of the box 100, the channel opening is not blocked in the continuous moving process, at this time, the channel opening is opened, the auxiliary channel 400 is communicated with the external space of the box 100 through the main channel 310, finally, the air flow in the external space of the box 100 enters the auxiliary channel 400 quickly, then enters the box 100, air pressure balance is realized, and the problem that the existing refrigeration equipment is difficult to open the door is effectively solved.

In addition, the refrigeration equipment in the embodiment can automatically act to realize automatic pressure balance when negative pressure exists in the box body 100, manual participation is not needed, and the use is simpler and more convenient.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A refrigeration device, comprising:

A case body in which a storage chamber is formed;

A refrigeration system assembled in the case and including an evaporator configured to cool the storage chamber;

A door body connected to the case body and configured to open and close the storage chamber, and to form a closed storage space with the case body when the door body is in a closed state;

The automatic air pressure balancing device is arranged in the door body and/or the box body and is used for balancing the internal and external pressure of the box body when the pressure difference exists between the storage room and the external space of the box body,

It comprises the following steps:

A pressure balance member assembled in the door body and/or the tank body, the main passage being formed therein, the main passage having an air inlet portion communicating with an external space of the tank body and a tank body communicating portion communicating with the internal space of the tank body;

And an auxiliary channel disposed at a side of the main channel, the auxiliary channel having an air outlet portion communicating with the storage chamber;

A sliding member disposed in the main passage in sliding sealing connection with the main passage, between the air intake portion and the tank communicating portion, having a first sliding position and a second sliding position;

an elastic restoring member disposed in the main passage for restoring the sliding member;

the sliding part is compressed and slid to a first sliding position when a pressure difference exists between the inner space and the outer space of the box body, so that the air inlet part, the main channel, the auxiliary channel and the air outlet part are communicated;

When the pressure in the inner space and the pressure in the outer space of the box body are equal, the sliding part is reset to the second sliding position through the elastic reset part so as to separate the main channel from the auxiliary channel.

2. A refrigeration device according to claim 1, wherein,

The sliding part is arranged in the main channel to divide the main channel into a first channel close to the inner space of the box body, and the first channel is communicated with the inner space of the box body;

and a second passage adjacent to the case outside space, the second passage communicating with the case outside space;

Wherein the second passage and the auxiliary passage communicate when the sliding member is in the first sliding position;

the second channel and the auxiliary channel are spaced apart when the slide member is in the second slide position.

3. A refrigeration device according to claim 2, wherein,

The pressure balance component comprises:

A balance base portion;

And a balance body portion vertically connected to the balance body portion, the main channel being formed in the balance body portion;

And the auxiliary channel body is formed by bending downwards from the side part of the balance main body part, one end of the auxiliary channel body is connected to the balance main body part and penetrates through the balance main body part, the other end of the auxiliary channel body is connected to the balance main body part and penetrates through the balance main body part, and the auxiliary channel body is formed with the auxiliary channel.

4. A refrigeration device according to claim 3, wherein,

The balance main body part is provided with a main channel, a balance main body part is arranged on the main channel, and a balance cover part is arranged on the balance main body part;

And a second opening portion, the balance base portion being laterally arranged at the second opening portion, and a plurality of tank communicating portions penetrating the balance base portion to communicate the tank inner space and the first passage being provided on the balance base portion.

5. A refrigeration device according to claim 4, wherein,

The automatic air pressure balancing device is arranged in the door body, and the door body comprises:

a door body front shell component forming the front surface of the door body;

The door body inner container part is arranged opposite to the door body front shell part and forms a storage space with the box body in a surrounding way;

The door body turnover part is connected with the door body front shell part and the door body inner container part, the door body front shell part and the door body inner container part are enclosed to form the door body installation cavity, the door body installation cavity is filled with a foaming layer, and the balance part is embedded in the foaming layer.

6. A refrigeration device according to claim 5, wherein,

A first mounting part is formed on the door body front shell component;

a second mounting part is formed on the door body inner container part;

When the balance component is assembled in the door body mounting cavity, the cover component is assembled in the first mounting part and is flush with the outer side surface of the door body front shell component;

the balance base body part is assembled in the second installation part and is flush with the inner side surface of the door inner container part.

7. A refrigeration device according to claim 3, wherein,

The auxiliary channel bodies are arranged on the lower section of the balance main body part, are 1 and are arranged on one side of the balance main body part;

Or a plurality of balance body parts are arranged uniformly along the circumferential direction of the balance body parts.

8. A refrigeration device according to claim 3, wherein,

The sliding part comprises a sliding body part, and a concave part is formed on the sliding body part;

and a plurality of sliding protrusions formed on an outer circumference of the sliding body portion, the sliding protrusions being arranged at equal intervals along a length direction of the sliding body portion;

A support member is provided on the balance base portion;

And the elastic reset component is arranged in the second channel, one end of the elastic reset component is propped against the concave part, and the other end of the elastic reset component is propped against and fixed on the supporting component.

9. The refrigeration unit as recited in claim 8 wherein said support member includes:

a support body portion;

and a plurality of support leg portions formed from the support body portion, the support leg portions being arranged along a circumferential direction of the support body portion;

The clamping support legs are arranged in a plurality, are alternately arranged on the support body part with the support legs, and are provided with clamping protrusions for clamping the elastic reset parts.

10. A refrigeration device, comprising:

A case body in which a storage chamber is formed;

A refrigeration system assembled in the case and including an evaporator configured to cool the storage chamber;

A door body connected to the case body and configured to open and close the storage chamber, and to form a closed storage space with the case body when the door body is in a closed state;

The automatic pressure balancing device is assembled on the door body and/or the box body and is used for balancing the pressure in the inner space and the outer space of the box body when the pressure difference exists between the storage space and the outer space of the box body;

The pressure balance component is communicated with the external space of the box body;

Comprises a main channel which is communicated with the internal space of the box body and the external space of the box body;

An auxiliary channel communicated with the space in the box body and provided with a channel port communicated with the main channel;

the sliding part is positioned in the main channel and is in sliding sealing connection with the main channel so as to separate the inner space of the box body from the outer space of the box body;

Wherein the sliding part can slide relative to the main channel to block or open the channel port, so that the auxiliary channel is communicated or separated from the external space of the box body through the main channel.