CN109780787B - Refrigerator with a door - Google Patents

Abstract

The invention relates to the field of refrigeration equipment, in particular to a refrigerator. The refrigerator includes an outer box body and an inner box body nested inside the outer box body, a first opening is opened on one side of the outer box body, and a second opening connected to the first opening is opened on the inner box body. Two openings to form a closed space with the outer box, the volume of the closed space changes during the process of pulling the inner box; the outer box includes a door seal fixed at the outer edge of the first opening, the door The seal includes a rope embedded in its interior. When the inner box is in a stationary state, the rope is tightened to hoop the inner box to seal the refrigerator; when the inner box is in a pulling state, the rope is loosened The inner box can eliminate the friction between the door seal and the inner box, not only realizes the adjustment of the total volume of the refrigerator and meets the needs of users in different periods, but also can be retracted through the control rope. The tightness and relaxation can be used to adjust the sealing degree of the refrigerator, the operation is simple, and the user's sense of use is improved.

Description

refrigerator

technical field

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

Background technique

Under normal circumstances, during the use of the refrigerator freezer, there will be a large number of stored items, or there are large items that need to be stored, such as holidays and other situations that require a large amount of temporary refrigeration storage for a period of time.

In the prior art, the volume of a certain compartment inside the refrigerator becomes larger or smaller, but the total volume of the refrigerator does not change. Expand the volume of the refrigerator and realize the flexible adjustment of the total volume of the refrigerator;

At the same time, in the process of adjusting the volume of the refrigerator, it can be understood that the most basic refrigeration effect of the refrigerator depends not only on its refrigeration system, but also the sealing and thermal insulation configuration of the refrigerator is also very important. When the refrigerator is adjusted to the required volume, it is necessary to adjust the box body It is tightly sealed between them to reduce the loss of cooling capacity; when the adjustment action is performed, the tight adsorption force between the adjustment boxes will become resistance, especially for people with low strength, the feeling of use is poor and laborious.

Therefore, it is an urgent problem to provide a refrigerator whose total volume and sealing degree can be adjusted.

SUMMARY OF THE INVENTION

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

In order to achieve the above purpose, the technical solutions provided by the present invention are as follows: a refrigerator, the refrigerator includes an outer box body and an inner box body nested inside the outer box body, and one side of the outer box body is provided with a first an opening, the inner box is provided with a second opening that communicates with the first opening to form a closed space with the outer box, and the volume of the closed space changes during the process of pulling the inner box;

The outer box further includes a door seal fixed at the outer edge of the first opening, the inside of the door seal is hollow, the outer box further includes a rope embedded in the inside of the door seal, the The rope includes a protruding section passing through the door seal, and the refrigerator is provided with a driving device for driving the rope to tighten or loosen;

When the inner box is in a stationary state, the driving device drives the rope to tighten to hoop the inner box to seal the refrigerator; when the inner box is in a pulling state, The driving device drives the rope to loosen the inner box to eliminate friction between the door seal and the inner box.

As a further improvement of the present invention, the driving device includes a telescopic structure provided in the outer box and connected to the protruding section, the telescopic structure includes a telescopic element, and the telescopic element has an extended state and a retracted state , when the telescopic element is in a retracted state, the protruding section is stretched to tighten the rope; when the telescopic element is in an extended state, the rope is loosened.

As a further improvement of the present invention, the telescopic structure further includes an electric control for controlling the extension or contraction of the telescopic element. When the electric control is powered on, the telescopic element is in a retracted state; when the electric control is turned off, the telescopic element is in a retracted state; When powered, the telescopic element is in an extended state.

As a further improvement of the present invention, the outer box is provided with a switch that is electrically connected to the electrical control, and the switch includes a push switch arranged on a side of the outer box close to the inner box;

When the push switch is pressed, the electrical control is powered on, otherwise, the electrical control is powered off.

As a further improvement of the present invention, the driving device further includes a locking structure disposed on a side of the outer case close to the inner case, the locking structure includes a locking lever, and when the locking structure is locked, the The locking lever is pressed against the push switch; when the locking structure is unlocked, the locking lever is separated from the push switch;

When the inner box is pulled out and is in a stationary state, the locking structure is locked.

As a further improvement of the present invention, a handle corresponding to the push switch is provided on the side of the inner box close to the outer box;

When the handle presses the push switch, the electric control is powered on; when the push switch is separated from the handle, the electric control is powered off.

As a further improvement of the present invention, the driving device further includes a rope with one end connected to the side of the telescopic element away from the protruding section, the other end of the rope is provided with a traction part, and the outer box is provided with a traction port so that the pulling part is pierced through the pulling opening to be exposed outside the outer box;

The telescopic element includes a latching portion extending from the telescopic element toward the inner box, and the telescopic structure further includes a latching structure covered on the outside of the telescopic element to cooperate with the latching portion , the card position structure is provided with a first card position and a second card position;

When the clamping portion is clamped in the first clamping position, the telescopic member is in an extended state;

When the pulling portion receives a pulling force toward the inner box body so that the clamping portion is clamped in the second clamping position, the telescopic member is in a retracted state.

As a further improvement of the present invention, the driving device further includes a pressing rod disposed on the outer side of the outer box and corresponding to the second clamping position. When the pressing rod is pressed, the pressing rod is clamped on the the second locking position; when the pressing rod is released, the pressing rod is separated from the second locking position.

As a further improvement of the present invention, the driving device further includes a first return spring fixed to the outer case and connected to the pressing rod. When the pressing rod is pressed toward the outer case, The first return spring is compressed; when the pressing rod is released, the first restoring spring is reset to separate the pressing rod from the first clamping position.

As a further improvement of the present invention, the rope is formed by splicing several sections, and at least one section is a spring or elastic rope.

The beneficial effects of the present invention are as follows: the present invention provides a refrigerator, wherein a first opening is opened on one side of the outer box body, and a second opening that communicates with the first opening is opened in the inner box body so as to be connected with the first opening. The outer box forms a closed space, and the volume of the closed space changes during the process of pulling the inner box, which realizes the adjustment of the total volume of the refrigerator and meets the needs of users in different periods;

By embedding a rope in the door seal at the outer edge of the first opening of the outer box, the tightness and relaxation of the rope can be controlled to adjust the sealing degree of the refrigerator, the operation is simple, and the user's sense of use is improved.

Description of drawings

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

Fig. 1 is the side view when the inner box body is closed to the outer box body in the present invention;

Fig. 2 is the side view when the inner box body is pulled in the present invention;

3 is a side view of the inner box in a static state after being pulled in the present invention;

FIG. 4 is a schematic structural diagram of the tightening of the rope on the outer box of the present invention;

5 is a schematic structural diagram of the loosening of the rope on the outer box in the present invention;

FIG. 6 is a schematic structural diagram of the driving device in the state shown in FIG. 1 according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of the driving device in the state shown in FIG. 2 according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of the driving device in the state shown in FIG. 3 according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of the driving device in the state shown in FIG. 1 in another embodiment of the present invention;

FIG. 10 is a schematic structural diagram of the drive device in the state shown in FIG. 2 in another embodiment of the present invention;

FIG. 11 is a schematic structural diagram of the driving device in the state shown in FIG. 3 in another embodiment of the present invention;

Among them, 100—refrigerator, 1—outer box, 10—first opening, 20—door seal, 21—pipeline, 30—rope, 31—protruding section, 40—accommodating cavity , 50—groove, 2—inner box, 60—second opening, 70—supporting part, 3—driving device, 80—telescopic structure, 81—retractable piece, 811—clamping Section, 82 - Card position structure, 821 - First card position, 822 - Second card position, 823 - Fourth return spring, 83 - Electric control, 90 - Push switch, 91 - Contact Pieces, 92—contact end, 93—third return spring, 110—locking structure, 111—lock lever, 120—handle, 130—second return spring, 140—rope, 141—traction part, 150—pressing lever, 160—first return spring.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope 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 "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a mechanical connection or an electrical connection, or two The internal communication between the elements may be directly connected or indirectly connected through an intermediate medium, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific circumstances.

In order to facilitate the description of the mutual positional relationship of different components, in this 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 toward the user is forward, and the direction away from the user is backward; correspondingly, the left and right directions are defined.

As shown in FIGS. 1 to 11 , the present invention proposes a refrigerator 100 . The refrigerator 100 includes an outer box 1 and an inner box 2 nested inside the outer box 1 . The outer box 1 A first opening 10 is opened on one side, and a second opening 60 communicating with the first opening 10 is opened in the inner box 2 to form a closed space with the outer box 1. The inner box 2 changes during the process; when the items that the user needs to store temporarily increase or are large-volume items, the refrigerator 100 realizes the adjustment of the total volume, which meets the needs of the user in different periods;

Here, the inner box 2 may be configured to be pulled on the outer box 1 in the front-rear direction, or may be configured to be pulled on the outer box 1 in the left-right direction, as long as the volume of the closed space is variable. achieve the purpose of the present invention.

The outer box 1 further includes a door seal 20 fixed at the outer edge of the first opening 10 , the door seal 20 is hollow inside, and the outer box 1 further includes a door seal 20 embedded inside the door seal 20 . The rope 30 includes a protruding section 31 extending out of the door seal 20, and the refrigerator 100 is provided with a driving device 3 for driving the rope 30 to tighten or loosen;

When the inner box 2 is in a stationary state, the driving device 3 drives the rope 30 to tighten to hoop the inner box 2 so that the door seal 20 seals the refrigerator 100, thereby reducing the loss of cooling capacity ,Reduce energy consumption;

When the inner box 2 is in the pulling state, the driving device 3 drives the rope 30 to loosen the inner box 2 to eliminate the friction between the door seal 20 and the inner box 2 , Then, it is convenient for the user to easily open the inner box 2, the structure is simple, and the sense of use is improved.

In a specific embodiment of the present invention, as shown in FIGS. 6 to 11 , the driving device 3 includes a telescopic structure 80 provided in the outer casing 1 and connected to the protruding section 31 . 80 includes a telescopic piece 81, the telescopic piece 81 has an extended state and a retracted state, when the telescopic piece 81 is in a retracted state, the protruding section 31 is stretched to tighten the rope 30; When the telescopic element 81 is in the extended state, the rope 30 is loosened;

Here, as shown in FIG. 4 and FIG. 5 , each of the four corners of the door seal 20 has an L-shaped duct 21 , and the rope 30 runs through the L-shaped duct 21 . Therefore, the rope 30 repeats the expansion and contraction process. In the middle, the four corners of the door seal 20 will not be worn by the rope 30 to affect the heat preservation, and it is also beneficial to the sealing effect of the four corners of the door seal 20 being evenly tightened;

A pipe 21 can be provided at the ejection position of the rope 30, and the two protruding ends of the rope 30 pass through it from bottom to top and extend to both sides; 21 is not deformed and does not hinder the pulling of the inner box 2 . Optionally, the pipe 21 can be in the shape of an "I". It can be understood that the door seal 20 is usually relatively fragile, that is, in a long-term use, the rope 30 can easily flash out of the gap in the door seal 20, and here, the force of the rope 30 is exerted on the pipe 21. Therefore, the occurrence of this situation can be effectively prevented, and the pulling distance of the rope 30 will be greatly shortened, which is beneficial to saving installation space and pulling reliability.

In an embodiment of the present invention, as shown in FIG. 6 to FIG. 8 , the telescopic structure 80 further includes an electric control 83 for controlling the extension or contraction of the telescopic member 81 . When the electric control 83 is powered on, The retractable member 81 is in a retracted state; when the electrical control 83 is powered off, the retractable member 81 is in an extended state.

Specifically, the outer box 1 is provided with a switch that is electrically connected to the electrical control 83 , and the switch includes a push switch 90 arranged on the side of the outer box 1 close to the inner box 2 ;

When the push switch 90 is pressed, the electrical control 83 is powered on, otherwise, the electrical control 83 is powered off; here, the push switch 90 can be of various types, such as electronic or mechanical , as long as it can be powered on when pressed, otherwise powered off, the purpose of the present invention can be achieved.

Specifically, the driving device 3 further includes a locking structure 110 disposed on the side of the outer box body 1 close to the inner box body 2 , the locking structure 110 includes a locking rod 111 , when the locking structure 110 is locked , the locking lever 111 is pressed against the push switch 90; when the locking structure 110 is unlocked, the locking lever 111 is separated from the push switch 90;

When the inner box body 2 is pulled out and is in a static state, the locking structure 110 is locked; here, when the user is using, when the inner box body 2 is pulled out to the position of the required volume size, the user only needs to Toggle the locking lever 111 to the locked state, that is, press the position of the push switch 90, the rope 30 is tightened, and the sealing of the refrigerator 100 is completed, so that the inner box 2 is pulled out. Sealing can be achieved in either position.

Further, a handle 120 corresponding to the push switch 90 is provided on the side of the inner case 2 close to the outer case 1 ; when the handle 120 presses the push switch 90 , the electrical The control 83 is powered on; when the push switch 90 is separated from the handle 120, the electrical control 83 is powered off;

Specifically, the inner box 2 is also provided with a second return spring 130 connected to the handle 120 . When the handle 120 is pulled in a direction away from the outer box 1 , the second return spring 130 is compressed and the push switch 90 is separated from the handle 120;

When the handle 120 is released and the inner box 2 is not pulled out, the second return spring 130 is reset to make the handle 120 press the push switch 90;

Further, a side of the outer box body 1 close to the inner box body 2 is recessed inwardly to form an accommodating cavity 40 , the push switch 90 is arranged in the accommodating cavity 40 , and the electrical control 83 includes two a terminal, the push switch 90 includes a contact member 91 and a contact terminal 92 electrically connected to the two terminals respectively, and the contact member 91 is a conductive material;

When the contact piece 91 is in contact with the two contact ends 92 , the electrical control 83 is powered on; when the contact piece 91 is separated from the two contact ends 92 , the electrical control 83 is powered off.

Further, the accommodating cavity 40 is further provided with a third return spring 93 connected to the contact piece 91 , when the contact piece 91 is pressed by the handle 120 or the locking lever 111 , the third return spring 93 is compressed and the contact piece 91 is in contact with the two contact ends 92;

When the contact piece 91 is separated from the handle 120 or the locking lever 111, the third return spring 93 is reset to separate the contact piece 91 from the two contact ends 92;

Here, when the user needs to adjust the volume of the refrigerator 100 during use, he only needs to pull the handle 120 to separate it from the push switch 90. At this time, the second return spring 130 is compressed and the electrical control 83 is disconnected. Electricity, the rope 30 is bulky to loosen the inner box 2, which is convenient for users to easily open;

After the volume adjustment is completed, turn the locking lever 111 to a locked state so that it is pressed against the contact piece 91 , the electric control 83 is energized at this time, and the rope 30 is tightened to complete the sealing of the refrigerator 100 ; if further adjustment is required , then the locking lever 111 needs to be toggled to the unlocked state, and the electric control 83 can easily pull the inner box 2 when the power is turned off. The structure is simple and the operation is convenient.

In another embodiment of the present invention, as shown in FIGS. 9 to 11 , the driving device 3 further includes a rope 140 whose one end is connected to the telescopic member 81 away from the protruding section 31 . The rope 140 The other end is provided with a pulling portion 141, and the outer box body 1 is provided with a pulling opening so that the pulling portion 141 can pass through the pulling opening to be exposed to the outside of the outer box body 1;

The telescopic element 81 includes a latching portion 811 extending from the telescopic element 81 toward the inner box 2 . In cooperation with the clamping portion 811, the clamping structure 82 is provided with a first clamping position 821 and a second clamping position 822;

When the engaging portion 811 is engaged with the first engaging position 821, the telescopic member 81 is in an extended state;

When the pulling portion 141 is pulled toward the inner box body 2 so that the engaging portion 811 is engaged with the second engaging position 822 , the retractable member 81 is in a retracted state.

Specifically, the driving device 3 further includes a pressing rod 150 disposed on the outer side of the outer box 1 and corresponding to the second locking position 822 . When the pressing rod 150 is pressed, the pressing rod 150 is locked. Connected to the second locking position 822 ; when the pressing rod 150 is released, the pressing rod 150 is separated from the second locking position 822 .

Further, the driving device 3 further includes a first return spring 160 fixed to the outer box 1 and connected to the pressing rod 150 , when the pressing rod 150 is pressed in the direction of the outer box 1 When the first return spring 160 is compressed; when the pressing rod 150 is released, the first restoring spring 160 is reset to separate the pressing rod 150 from the first locking position 821 .

Here, preferably, in the specific embodiment of the present invention, the latching portion 811 is made of elastic material, and the latching structure 82 further includes a fourth connection connected to the side of the telescopic member 81 close to the rope 140 . return spring 823;

During use, when the user needs to adjust the volume of the refrigerator 100, he only needs to press the pressing rod 150, the first return spring 160 is compressed, and the engaging portion 811 is pushed out by the pressing rod 150. At the second latching position 822, the latching portion 811 is squeezed and the fourth return spring 823 is reset, so that the latching portion 811 moves toward the first latching position 821 and is finally latched on the first latching position 821. A clamping position 821, the telescopic member 81 is extended, and the inner box 2 can be easily pulled when the rope 30 is bulky;

After adjusting to the required volume position, it is only necessary to pull the pulling portion 141 of the rope 140 to make the telescopic member 81 contract, and then the engaging portion 811 is subjected to the pressing force toward the outer box 1, and is released by the The first locking position 821 is driven to the second locking position 822 , the fourth return spring 823 is compressed, and the rope 30 is tightened to complete the sealing of the refrigerator 100 .

Preferably, the rope 30 is formed by splicing several sections, and at least one section is a spring or elastic rope 140 . It can be understood that the braking force of the driving device 3 needs to be greater than the elastic force of the spring or elastic rope 140 .

In addition, as shown in FIG. 1 to FIG. 3 , the inner box 2 includes a support portion 70 , and the support portion 70 is disposed under the side of the inner box 2 away from the second opening 60 to support the support from the inner box 2 . The inner box 2 pulled out from the outer box 1.

In addition, grooves 50 are formed inwardly at the outer edge of the outer box 1. The grooves 50 communicate with the inner space and the front side space of the outer box 1, and the door seal 20 is fixed. It is arranged in the groove 50; in this way, when the inner box 2 is closed, the front side of the door seal 20 can be in close contact with the inner box 2, thereby effectively preventing the heat exchange between the refrigerator 100 and the outside world.

To sum up, the present invention proposes a refrigerator 100. The first opening 10 opened in the outer box 1 communicates with the second opening 60 of the inner box 2 of the first opening 10 to form a closed space. The volume of the space changes during the process of pulling the inner box 2 , which realizes the adjustment of the total volume of the refrigerator 100 and meets the needs of users in different periods; A rope 30 is embedded in the 20, so that the tightness of the refrigerator 100 can be adjusted by simply controlling the tightening and loosening of the rope 30, the operation is simple, and the user's sense of use is improved.

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, characterized in that the refrigerator comprises an outer box body and an inner box body nested inside the outer box body, a first opening is provided on one side of the outer box body, and the inner box body is provided with a first opening. A second opening communicating with the first opening is opened to form a closed space with the outer box body, and the volume of the closed space changes during the process of pulling the inner box body; The outer box further includes a door seal fixed at the outer edge of the first opening, the inside of the door seal is hollow, the outer box further includes a rope embedded in the inside of the door seal, the The rope includes a protruding section passing through the door seal, and the refrigerator is provided with a driving device for driving the rope to tighten or loosen; When the inner box is in a stationary state, the driving device drives the rope to tighten to hoop the inner box to seal the refrigerator; when the inner box is in a pulling state, The driving device drives the rope to loosen the inner box to eliminate friction between the door seal and the inner box. 2 . The refrigerator according to claim 1 , wherein the driving device comprises a telescopic structure arranged in the outer box and connected to the protruding section, and the telescopic structure comprises a telescopic element, the The telescopic element has an extended state and a retracted state. When the telescopic element is in a retracted state, the protruding section is stretched to tighten the rope; when the telescopic element is in an extended state, the rope bar relax. 3 . The refrigerator according to claim 2 , wherein the telescopic structure further comprises an electric control for controlling the extension or contraction of the telescopic element, when the electric control is energized, the telescopic element is energized. 4 . in a retracted state; when the electrical control is powered off, the telescopic element is in an extended state. 4 . The refrigerator according to claim 3 , wherein the outer box is provided with a switch that is electrically connected to the electrical control, and the switch comprises a switch disposed on the outer box close to the inner Push switch on one side of the box; When the push switch is pressed, the electrical control is powered on, otherwise, the electrical control is powered off. 5 . The refrigerator according to claim 4 , wherein the driving device further comprises a locking structure disposed on a side of the outer case close to the inner case, the locking structure comprising a locking lever, 6 . When the locking structure is locked, the locking lever is pressed against the push switch; when the locking structure is unlocked, the locking lever is separated from the push switch; When the inner box is pulled out and is in a stationary state, the locking structure is locked. 6 . The refrigerator according to claim 4 , wherein a handle corresponding to the push switch is provided on a side of the inner box close to the outer box; 6 . When the handle presses the push switch, the electric control is powered on; when the push switch is separated from the handle, the electric control is powered off. 7 . The refrigerator according to claim 2 , wherein the driving device further comprises a rope connected to one end of the telescopic element away from the protruding section, and the other end of the rope is provided with a traction part. 8 . , the outer box is provided with a traction port so that the traction part is passed through the traction port to be exposed outside the outer box; The telescopic element includes a latching portion extending from the telescopic element toward the inner box, and the telescopic structure further includes a latching structure covered on the outside of the telescopic element to cooperate with the latching portion , the card position structure is provided with a first card position and a second card position; When the clamping portion is clamped in the first clamping position, the telescopic member is in an extended state; When the pulling portion receives a pulling force toward the inner box body so that the clamping portion is clamped in the second clamping position, the telescopic member is in a retracted state. 8 . The refrigerator according to claim 7 , wherein the driving device further comprises a pressing rod disposed on the outer side of the outer box and corresponding to the second latching position, and when the pressing rod is pressed. 9 . When pressed, the pressing rod is clamped in the second clamping position; when the pressing rod is released, the pressing rod is separated from the second clamping position. 9 . The refrigerator according to claim 8 , wherein the driving device further comprises a first return spring fixed on the outer box and connected with the pressing rod, and when the pressing rod is moving toward the pressing rod. 10 . When the direction of the outer casing is pressed, the first return spring is compressed; when the pressing rod is released, the first return spring is reset to separate the pressing rod from the first clamping position . 10 . The refrigerator according to claim 1 , wherein the rope is formed by splicing several sections, and at least one section is a spring or an elastic rope. 11 .

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