CN109780798B - Refrigerator - Google Patents

Abstract

The invention relates to the field of refrigeration equipment, in particular to a refrigerator. The refrigerator is provided with a refrigerator body and a door body for sealing the refrigerator body, the door body comprises a protruding part arranged towards one side of the refrigerator body and a door seal surrounding and fixed on the protruding part, and when the door body is closed, the door seal is sealed between the door body and the refrigerator body; the door seal is hollow, the door body further comprises a spiral coil embedded in the door seal, and when the door body is closed, the spiral coil is powered off and expands to enable the door seal to seal the refrigerator; when the door body is pulled, the spiral coil is electrified and contracted to eliminate the friction force between the door seal and the box body, so that the sealing degree between the door body and the box body is adjusted by switching on and off, and the door body is tightly attached to the box body when the door body is closed, thereby reducing the loss of cold energy and reducing the energy consumption; when the door body needs to be opened, the door body can be easily opened by controlling the power failure, the operation is simple, and the use feeling of a user is improved.

Description

refrigerator

technical field

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

Background technique

In existing refrigerators, in order to prevent the cold air in the box from exchanging heat with the hot air outside, a door seal is usually provided between the door and the box; in order to improve the effect of the door seal on heat exchange, when the door is closed , the door body and the box body need to be tightly adsorbed together.

It is understandable that in the actual use process, when the refrigerator is closed, the door and the cabinet need to be tightly sealed to reduce the loss of cooling capacity; when the door is opened, the adsorption force between the door and the cabinet will become a hindrance Especially for people with little strength, when opening a large refrigerator, the use feeling is poor and laborious, and even the reaction force caused by forcefully opening the door causes unnecessary personal safety hazards.

Therefore, providing a refrigerator capable of adjusting the degree of sealing between the door body and the box body has become a problem to be solved urgently.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention proposes a refrigerator.

In order to achieve the above object, the technical solution provided by the present invention is as follows: a refrigerator, the refrigerator is provided with a box body and a door body for sealing the box body, and the door body includes a protruding part arranged toward one side of the box body And a door seal surrounding and fixed on the protruding part. When the door body is closed, the door seal is sealed between the door body and the box body; the inside of the door seal is hollow, and the door body also includes a helical coil embedded in the door seal, and the refrigerator also includes a control device for controlling the power on and off of the helical coil;

When the door is closed, the helical coil is de-energized and expands so that the door seal seals the refrigerator; when the door is pulled, the helical coil is energized and contracted to remove the door seal from the box the friction between them.

As a further improvement of the present invention, the control device includes a switch electrically connected to the helical coil, the switch includes a push-type switch arranged on the side of the door close to the box, and the box is close to One side of the door is provided with a protrusion corresponding to the push switch;

When the protrusion presses the push switch, the helical coil is de-energized; when the push switch is separated from the protrusion, the helical coil is energized.

As a further improvement of the present invention, the switch further includes a handle arranged in the door body and connected to the push switch, and a first return spring connected to the handle is also provided in the door body;

When the handle is pulled in a direction away from the box, the first return spring is compressed and the push switch is separated from the protrusion;

When the handle is released and the door body is closed, the first reset spring resets to make the protrusion press the push switch.

As a further improvement of the present invention, a side of the handle close to the box body is inwardly recessed to form an accommodating cavity, and the push switch is disposed in the accommodating cavity.

As a further improvement of the present invention, the helical coil includes two terminals, the push switch includes a pressing piece and a contact end electrically connected to the two terminals respectively, and the pressing piece is made of a conductive material;

When the pressing member is in contact with the two contact ends, the helical coil is energized; when the pressing member is separated from the two contact ends, the helical coil is de-energized.

As a further improvement of the present invention, the accommodating chamber is also provided with a second return spring connected to the pressing piece. When the pressing piece is pressed by the protruding piece, the second return spring is compressed and the pressing piece The member is separated from the two said contact ends;

When the pressing piece is separated from the protruding piece, the second return spring resets so that the pressing piece contacts the two contact ends.

As a further improvement of the present invention, an iron sheet is provided on the side of the outer edge of the box corresponding to the door seal.

As a further improvement of the present invention, the outer edges of the protruding parts are recessed inward to form grooves, and the door seal is fixedly arranged in the grooves.

As a further improvement of the present invention, dents are provided at the parts where the inner side wall of the box body contacts the door seal, and dents are provided at the parts where the door seal contacts the inner side wall of the box body.

As a further improvement of the present invention, the spiral coil is surrounded by an enameled wire.

The beneficial effect of the present invention is: the present invention proposes a refrigerator, by embedding a helical coil in the door seal surrounding and fixed on the door body, the helical coil shrinks when it is powered on, and expands when it is powered off, so that it can pass through a simple Turn on and off the power to realize the adjustment of the sealing degree between the door body and the box body, so that when the door body is closed, the door body and the box body fit closely, thereby reducing the loss of cooling capacity and energy consumption; when the door body needs to be opened, The door can be easily opened when the power is turned off, the operation is simple, and the user's sense of use is improved;

Since the refrigerator is turned off most of the time, that is, the helical coil is in a power-off state most of the time, which saves energy.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached image:

Fig. 1 is a side view when the refrigerator door is closed and the handle is not pulled in the present invention;

Fig. 2 is a side view when the door of the refrigerator in the present invention is closed and the handle is pulled;

Fig. 3 is a side view of the open state of the door of the refrigerator in the present invention;

Fig. 4 is the schematic structural view of the helical coil on the door body in the present invention when it is electrified and contracted;

Fig. 5 is a structural schematic diagram of the helical coil on the door body in the power-off and expanded state of the present invention;

Fig. 6 is a structural schematic diagram of the control device in the state described in Fig. 1 in the present invention;

Fig. 7 is a schematic structural diagram of the cooperation between the convex part and the push switch in Fig. 6;

Fig. 8 is a structural schematic diagram of the control device in the state described in Fig. 2 in the present invention;

Fig. 9 is a schematic structural diagram of the cooperation between the convex part and the push switch in Fig. 8;

Fig. 10 is a structural schematic diagram of the control device in the state described in Fig. 3 in the present invention;

Fig. 11 is a schematic structural diagram of the cooperation between the convex part and the push switch in Fig. 10;

Fig. 12 is a schematic diagram of the working principle of the helical coil in the present invention;

Among them, 100—refrigerator, 1—box body, 10—protrusion, 2—door body, 20—protrusion, 21—groove, 30—door seal, 40—spiral coil, 41 ——Terminal, 3——Control device, 50——Press switch, 51——Push piece, 52——Contact end, 60——Handle, 61——Accommodating cavity, 62——Second return spring, 70 - the first return spring.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

In order to facilitate the description of the mutual positional relationship of different components, in the embodiment of the present invention, when the refrigerator is in normal use, the direction away from the ground is upward, and the direction toward the ground is downward; when the user faces the door, The direction of the refrigerator facing the user is forward, and the direction away from the user is backward; correspondingly, the left and right directions are defined.

As shown in Figures 1 to 12, the present invention proposes a refrigerator 100, the refrigerator 100 is provided with a box body 1 and a door body 2 for sealing the box body 1, here, there are various types of the door body 2, For example: one side of the door body 2 can be connected to the box body 1 through a hinge, that is, the door body 2 can rotate along the hinge, so that the action of opening and closing the door can be realized; the door body 2 can be the door body 2 of a refrigerator 100 drawer, Thereby realize the work of opening and closing the door by pushing and pulling the door body 2;

The door body 2 includes a protruding portion 20 disposed toward the side of the box body 1 and a door seal 30 surrounding and fixed on the protruding portion 20. When the door body 2 is closed, the door seal 30 is sealed on the Between the door body 2 and the box body 1; the door seal 30 is hollow inside, the door body 2 also includes a helical coil 40 embedded in the door seal 30, and the refrigerator 100 also includes a The control device 3 for turning on and off the power of the helical coil 40;

When the door body 2 is closed, the helical coil 40 is de-energized and expands so that the door seal 30 seals the refrigerator 100; when the door body 2 is pulled, the helical coil 40 is energized and contracted to remove the door The friction force between the seal 30 and the box body 1;

Here, as shown in FIG. 12 , the helical coil 40 can be understood as being formed by a number of rings connected in series. When the helical coil 40 is energized, the direction of the current in adjacent rings is the same. The direction of the formed magnetic field is also the same, so that adjacent rings will attract each other, causing the entire helical coil 40 to shrink; Corresponding shrinkage makes the door seal 30 change from a state of being closely attached to the box body 1 to a gap, and then the friction force between the door seal 30 and the box body 1 does not exist, which is convenient for the user to open easily The door body 2 has a simple structure and improved usability;

When the user closes the door, after the door body 2 is pushed to the closed state, the helical coil 40 is controlled to be powered off, and the helical coil 40 expands so that the door seal 30 returns to the state of being closely attached to the box body 1, realizing the refrigerator 100. Sealed to reduce cooling loss and energy consumption;

At the same time, in the embodiment of the present invention, since the refrigerator 100 is turned off most of the time, that is, the helical coil 40 is powered off most of the time, energy saving is realized.

In a specific embodiment of the present invention, as shown in FIGS. 6 to 11 , the control device 3 includes a switch electrically connected to the helical coil 40 , and the switch includes a A push-type switch 50 on one side of the body 1, the side of the box body 1 close to the door body 2 is provided with a protrusion 10 corresponding to the push-type switch 50;

When the protrusion 10 presses the push switch 50, the helical coil 40 is de-energized; when the push switch 50 is separated from the protrusion 10, the helical coil 40 is energized; here, the The push switch 50 can be of various types, such as electronic or mechanical, as long as it can be powered off when pressed, otherwise it can be powered on, and the purpose of the present invention can be achieved.

Specifically, the switch further includes a handle 60 disposed in the door body 2 and connected to the push switch 50 , and the door body 2 is also provided with a first return spring 70 connected to the handle 60 ;

When the handle 60 is pulled in a direction away from the box body 1, the first return spring 70 is compressed and the push switch 50 is separated from the protrusion 10;

When the handle 60 is released and the door body 2 is closed, the first return spring 70 resets so that the protrusion 10 presses the push switch 50; here, when the user opens the door body 2, It is only necessary to gently drive the handle 60 to separate the push switch 50 from the protrusion 10, and then the helical coil 40 can be energized and contracted to easily open the door body 2. The structure is simple and the operation is convenient.

Preferably, the side of the handle 60 close to the box body 1 is inwardly recessed to form an accommodation cavity 61, the push switch 50 is disposed in the accommodation cavity 61, and the helical coil 40 includes two terminals 41. The push switch 50 includes a push piece 51 and a contact terminal 52 electrically connected to the two terminals 41 respectively, and the push piece 51 is a conductive material;

When the pressing member 51 is in contact with the two contact ends 52 , the helical coil 40 is energized; when the pressing member 51 is separated from the two contact ends 52 , the helical coil 40 is de-energized.

Further, the accommodating cavity 61 is also provided with a second return spring 62 connected to the pressing member 51, when the pressing member 51 is pressed by the protruding member 10, the second return spring 62 is compressed and the The pressing member 51 is separated from the two contact ends 52;

When the pressing member 51 is separated from the protruding member 10, the second return spring 62 resets so that the pressing member 51 is in contact with the two contact ends 52; here, when the door body 2 is pulled When opening, due to the reset of the second return spring 62, the helical coil 40 is in the state of energization and contraction, and then it is easier to close the door body 2 and realize the sealing state. Since the door seal 30 is in the contraction state, the The door body 2 is pushed to the closed position with the box body 1. At this time, the convex piece 10 just presses the pressing piece 51, and the helical coil 40 is powered off and expands to complete the sealing of the refrigerator 100. The whole process is easy to operate. Improved user experience.

In addition, an iron sheet is provided on the side of the outer edge of the box body 1 corresponding to the door seal 30 . Here, when the door body 2 is closed, current will pass through the helical coil 40, and then the helical coil 40 will generate a magnetic field, and an iron sheet is arranged on the outer edge of the box body 1, so that the iron sheet will be tightly attracted by the helical coil 40 , thereby further improving the adsorption force between the box body 1 and the door body 2 .

As shown in FIG. 1 to FIG. 3 , outer edges of the protruding portion 20 are recessed inward to form a groove 21 , and the door seal 30 is fixedly disposed in the groove 21 .

Preferably, the parts where the inner side wall of the box body 1 is in contact with the door seal 30 are all provided with dents, and the parts where the door seal 30 is in contact with the inner side wall of the box body 1 are all provided with dents; of course, if the If the parts where the door seal 30 contacts with the box body 1 are rough, the friction force between the door seal 30 and the box body 1 can be greatly improved, and the purpose of the present invention can also be achieved.

Optionally, the spiral coil 40 is formed by surrounding enameled wire.

To sum up, the present invention proposes a refrigerator 100. By embedding a helical coil 40 in the door seal 30 surrounding and fixed on the door body 2, the helical coil 40 contracts when energized and expands when energized, so that it can The degree of sealing between the door body 2 and the box body 1 can be adjusted by simply turning on and off the power, so that when the door body 2 is closed, the door body 2 and the box body 1 are closely attached, thereby reducing cooling loss and energy consumption ; When the door body 2 needs to be opened, the door body 2 can be easily opened by controlling the power failure, the operation is simple, and the user's sense of use is improved; based on the fact that the refrigerator 100 is in the closed state most of the time, that is, the spiral coil 40 is in the power-off state most of the time , to achieve energy saving.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, which belong to the present invention. the scope of protection of the invention.

Claims (10)

1. A refrigerator is provided with a refrigerator body and a door body for sealing the refrigerator body, and is characterized in that the door body comprises a protruding part arranged towards one side of the refrigerator body and a door seal surrounding and fixed on the protruding part, and the door seal is sealed between the door body and the refrigerator body when the door body is closed; the refrigerator comprises a door seal, a door body and a control device, wherein the door seal is hollow, the door body further comprises a spiral coil embedded in the door seal, and the control device is used for controlling the spiral coil to be powered on or powered off;

when the door body is closed, the spiral coil is powered off and expands to enable the door seal to seal the refrigerator; when the door body is pulled, the spiral coil is electrified and contracted to eliminate the friction force between the door seal and the box body.

2. The refrigerator according to claim 1, wherein the control device comprises a switch electrically connected to the spiral coil, the switch comprises a push switch disposed on a side of the door body close to the refrigerator body, and a protrusion corresponding to the push switch is disposed on a side of the refrigerator body close to the door body;

when the convex piece presses the push switch, the spiral coil is powered off; when the push switch is separated from the protruding member, the spiral coil is energized.

3. The refrigerator according to claim 2, wherein the switch further comprises a handle disposed in the door body and connected to the push switch, and the door body further comprises a first return spring connected to the handle;

when the handle is pulled in a direction away from the box body, the first return spring is compressed and the pressing switch is separated from the convex piece;

when the handle is released and the door body is closed, the first return spring is reset so that the convex piece presses the pressing type switch.

4. The refrigerator as claimed in claim 3, wherein a receiving cavity is formed by recessing a side of the handle adjacent to the refrigerator body, and the push switch is disposed in the receiving cavity.

5. The refrigerator according to claim 4, wherein the spiral coil includes two terminals, the push switch includes a push member and contact terminals electrically connected to the two terminals, respectively, the push member is made of a conductive material;

when the pressing piece is contacted with the two contact ends, the spiral coil is electrified; when the pressing piece is separated from the two contact ends, the spiral coil is powered off.

6. The refrigerator according to claim 5, wherein the receiving chamber is further provided with a second return spring connected to the pressing member, and when the pressing member is pressed by the protrusion, the second return spring is compressed and the pressing member is separated from the two contact terminals;

when the pressing piece is separated from the convex piece, the second return spring is reset so that the pressing piece is contacted with the two contact ends.

7. The refrigerator as claimed in claim 1, wherein an iron plate is provided at a side of the outer edge of the cabinet corresponding to the door seal.

8. The refrigerator as claimed in claim 1, wherein the outer edges of the protruding portions are recessed inward to form a groove, and the door seal is fixedly disposed in the groove.

9. The refrigerator as claimed in claim 1, wherein the portions of the inner wall of the cabinet contacting the door seals are provided with notches, and the portions of the door seals contacting the inner wall of the cabinet are provided with notches.

10. The refrigerator according to claim 1, wherein the spiral coil is surrounded by an enameled wire.

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