CN110195958B

CN110195958B - Refrigerator

Info

Publication number: CN110195958B
Application number: CN201910373504.0A
Authority: CN
Inventors: 韩彦南; 侯鸿彬
Original assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2022-11-25
Anticipated expiration: 2039-05-07
Also published as: CN110195958A

Abstract

The present invention provides a refrigerator, including: a box body, wherein a storage space is limited in the box body; the door body is pivotally connected with the box body and used for opening or closing the storage space; the air pressure balance hole is communicated with air flow inside and outside the storage space and is arranged on the door body; the handle is movably arranged on the door body and provided with an initial position and an opening position; the guide device is arranged on the door body; the push member, the push member with guider sliding connection can open or close atmospheric pressure balance hole, the one end of push member with the handle transmission is connected, the other end with the box butt, the handle is driven by initial position to the motion of opening the position the push member slides in order to open atmospheric pressure balance hole, and to box transmission thrust, the door body can be laborsaving opened to this refrigerator.

Description

Refrigerator

Technical Field

The invention relates to a household appliance, in particular to a refrigerator.

Background

At present, a refrigerator generally adopts a magnetic sealing strip to seal a gap between a refrigerator door body and a refrigerator body so as to prevent cold air in the refrigerator from leaking. However, the magnetic sealing strip is sealed tightly, and the temperature difference between the inside and the outside of the refrigerator is large, so that a certain air pressure difference is generated between the inside and the outside of the refrigerator, and therefore, a user often needs to use large force to pull the door body open. Especially when the refrigerator door body and the junction of box by the ice-cube when bonding, the refrigerator door body is more difficult to open, and uses great external force pulling door body by force, leads to the door body to damage easily, reduces sealing performance.

Disclosure of Invention

The invention aims to provide a refrigerator with a door opening assisting device.

The present invention provides a refrigerator, including: a box body, wherein a storage space is limited in the box body; the door body is pivotally connected with the box body and used for opening or closing the storage space; the air pressure balance hole is communicated with the air flow inside and outside the storage space and is arranged on the door body; the handle is movably arranged on the door body and is provided with an initial position and an opening position; the guide device is arranged on the door body; the thrust piece, the thrust piece with guider sliding connection can open or close atmospheric pressure balancing hole, the one end of thrust piece with the handle transmission is connected, the other end with the box butt, the handle by initial position to open position motion drive the thrust piece slides in order to open atmospheric pressure balancing hole, and to box transmission thrust.

Preferably, the guiding device comprises a containing groove which is formed in the door body and penetrates through the inside and the outside of the door body, the air pressure balancing hole is formed in the containing groove, and at least part of the thrust piece is arranged in the containing groove and slides along the containing groove.

Preferably, the handle is pivotally mounted on the door body, a pivot axis of the handle is parallel to a pivot axis of the door body, an accommodating part is arranged on the handle, one end of the thrust piece is arranged in the accommodating part and abutted against the bottom surface of the accommodating part, the handle is pivoted from an initial position to an opening position, and the accommodating part is in surface contact with the thrust piece and abutted against the thrust piece to drive the thrust piece to move.

Preferably, the thrust piece is in a hollow frame shape and is provided with an upper frame, a lower frame and a bottom frame which is connected with the upper frame and the lower frame, a tongue piece which protrudes towards the center of the thrust piece is arranged on the bottom frame, and the thrust piece slides to drive the tongue piece to open or close the air pressure balance hole.

Preferably, the door body further comprises a positioning connecting piece for connecting the door body and the handle, the positioning connecting piece comprises a positioning part and a connecting part, and the positioning part is at least partially embedded in the accommodating groove and matched with the thrust piece to guide the thrust piece to move and limit the limit position of the thrust piece to move; the connecting portion is pivotally connected to the handle.

Preferably, the left side frame with the right side frame all with leave the clearance between the tongue piece, the left side frame with the right side frame is close to one side of tongue piece all is provided with the guide way, be provided with on the connecting portion with guide way complex guide rail, at least part of guide rail inlays to be located in the clearance.

Preferably, the length of the guide rail is smaller than that of the guide groove so as to limit the limit position of the sliding of the thrust piece.

Preferably, the air pressure balance door further comprises a filter screen, and the filter screen is arranged on the door body and covers the air pressure balance hole.

Preferably, the air pressure balance device further comprises a vent hole arranged on the inner surface of the door body and an exhaust pipe connected with the vent hole and the air pressure balance hole, and the exhaust pipe is arranged inside the door body.

Preferably, the door body is provided with two at the interval atmospheric pressure balancing hole, and two thrust pieces are used for the atmospheric pressure balancing hole that the switching corresponds respectively, the handle has the hand power portion that extends along vertical direction, the both ends of hand power portion respectively with two thrust piece transmission are connected, the blast pipe is followed handle extending direction extends and communicates two atmospheric pressure balancing hole and air vent.

According to the invention, the air pressure balancing hole and the thrust piece are arranged on the refrigerator door body, the air pressure balancing hole is opened to balance the air pressure inside and outside the refrigerator body while mechanical assistance is carried out, the structure is compact, and the door opening force is greatly reduced.

Drawings

FIG. 1 is a schematic perspective view of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a door of the refrigerator of FIG. 1;

fig. 3 is a schematic view of a disassembled state of the door body of the refrigerator in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the refrigerator 100 includes a cabinet 110, a door 120, and a handle 150, wherein a storage space is defined in the cabinet 110, the door 120 is pivotally connected to the cabinet 110 to open or close the storage space on the cabinet 110, and the handle 150 is movably mounted on the door 120. The door 120 is further provided with an air pressure balancing hole 140, and the air pressure balancing hole 140 is communicated with the air flow inside and outside the storage space to balance the pressure difference inside and outside the box body 110.

The refrigerator 100 further includes a guide 130 and a thrust member 160, the guide 130 is disposed on the door 120 of the refrigerator 100, the guide 130 is slidably coupled to a main body portion of the thrust member 160 to guide a moving direction of the thrust member 160, and the main body portion of the thrust member 160 can open or close the air pressure balancing hole 140. One end of the pushing member 160 abuts against the case 110, and the other end is drivingly connected to the handle 150. The handle 150 has an initial position and an open position, and when the door 120 is closed with respect to the refrigerator body 110, the handle 150 is in the initial position, and at this time, the thrust member 160 covers the pressure balance hole 140 to close the pressure balance hole 140 to prevent the cold air inside the refrigerator 100 from leaking. When the handle 150 is pulled to move to the open position, the handle 150 drives the thrust member 160 to move relative to the guide device 130, and the thrust member 160 opens the air pressure balance hole 140 and transmits a thrust force to the box body 110. The handle 150 is pulled to drive the thrust piece 160 to transmit thrust to the box body 110 and simultaneously open the air pressure balance hole 140, mechanical assistance and balance pressure difference are combined, the structure is compact, and the door opening force is greatly reduced.

Further, the guiding device 130 is disposed on a side wall surface of the door 120 of the refrigerator 100, the guiding device 130 includes a receiving groove 131 that is disposed on the side wall surface of the door 120 and penetrates through the inside and the outside of the door 120, the air pressure balancing hole 140 is disposed in the receiving groove 131, a main portion of the thrust member 160 is embedded in the receiving groove 131, and the handle 150 moves to drive the thrust member 160 to move along the guiding groove 165. Therefore, no additional parts for guiding and assisting are required to be arranged outside the door 120 and the refrigerator body 110 of the refrigerator 100, so that the space occupied by the refrigerator 100 is not increased, and the attractiveness of the refrigerator 100 is not affected.

Further, the handle 150 is pivotally mounted on the door body 120, and a pivot axis of the handle 150 is parallel to a pivot axis of the door body 120. The handle 150 is provided with an accommodating portion 151, and one end portion of the pushing member 160 is disposed in the accommodating portion 151 and abuts against a bottom surface of the accommodating portion 151. When the handle 150 is pivoted from the initial position to the open position, the bottom surface of the accommodating portion 151 and the end of the thrust member 160 slide relative to each other and are always in surface contact to enhance the connection reliability, and at the same time, the bottom surface of the accommodating portion 151 presses the thrust member 160 to transmit pressure to the thrust member 160, and the thrust member 160 moves.

Further, the thrust member 160 is a hollow frame having an upper frame 161, a lower frame 162, and a bottom frame 163 connecting the upper frame 161 and the lower frame 162, the upper frame 161 and the lower frame 162 both contact with the groove surface of the accommodating groove 131 to slide along the accommodating groove 131, and the bottom frame 163 abuts against the case 110. The bottom frame 163 is provided with a tongue 164 protruding toward the center of the thrust member 160, and the thrust member 160 slides to move the tongue 164 to open or close the air pressure balance hole 140. Specifically, the tongue piece 164 is provided with a through hole, and when the through hole corresponds to the air pressure balancing hole 140, the air pressure balancing hole 140 is opened to communicate the air flow inside and outside the box body 110.

Further, the refrigerator 100 further includes a positioning connector 170 connecting the refrigerator body 110 and the door 120, and the positioning connector 170 is fixedly mounted on the door 120 and pivotally connected to the handle 150. The positioning connector 170 includes a positioning portion 171 and a connecting portion 172, and a main body portion of the positioning portion 171 is fixedly embedded in the accommodating groove 131 and is engaged with the thrust member 160, so as to guide the moving direction of the thrust member 160 and limit the limit position of the thrust member 160. The connection portion 172 protrudes toward the center of the door body 120 and is pivotally connected to the handle 150.

Further, a gap is reserved between the upper frame 161 and the lower frame 162 of the thrust piece 160 and the tongue piece 164, and a guide groove 165 is formed in one side of the upper frame 161 and one side of the lower frame 162 close to the tongue piece 164. The connecting portion 172 is disposed between the bottom wall of the receiving groove 131 and the thrust member 160, two strip-shaped flanges which are in clearance fit with each other and a guide rail 173 connected to the strip-shaped flanges are disposed on the connecting portion 172, the tongue piece 164 is received between the strip-shaped flanges, and the guide rail 173 is engaged with the guide groove 165. Specifically, the length of the guide groove 165 is greater than the length of the guide rail 173, and the guide groove 165 moves along the guide rail 173 so that the limit position is reached when the guide rail 173 abuts against the guide rail.

Further, a filter screen 180 is arranged on the door body 120, the filter screen 180 covers the air pressure balance hole 140, and the filter screen 180 includes a water vapor filter screen 180 to prevent water vapor from entering the door body 120 through the air pressure balance hole 140 to generate condensation. Specifically, two air pressure balance holes 140 are formed in the door body 120 at intervals, the refrigerator 100 includes two thrust pieces 160 and two guide devices 130, which are slidably connected to the corresponding thrust pieces 160, the handle 150 has a hand pulling portion, the hand pulling portion extends along a vertical direction, and two ends of the hand pulling portion are respectively abutted to the thrust pieces 160 to drive the thrust pieces 160 to open or close the corresponding air pressure balance holes 140. Specifically, a vent hole is formed in the inner liner of the door body 120, an exhaust pipe 190 communicating the vent hole with the pressure balance hole 140 is arranged inside the door body 120, and the exhaust pipe 190 extends along the hand pulling portion direction.

Although the description is given in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments described herein may be combined as a whole to form other embodiments as would be understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A refrigerator, comprising:

a box body, wherein a storage space is limited in the box body;

the door body is pivotally connected with the box body and used for opening or closing the storage space;

the air pressure balance door is characterized by further comprising an air pressure balance hole communicated with air flow inside and outside the storage space, wherein the air pressure balance hole is formed in the door body;

the handle is movably arranged on the door body and provided with an initial position and an opening position;

the guide device is arranged on the door body;

the thrust piece, the thrust piece with guider sliding connection can open or close atmospheric pressure balancing hole, the one end of thrust piece with the handle transmission is connected, the other end with the box butt, the handle is driven by initial position to open position motion the thrust piece slides in order to open atmospheric pressure balancing hole, and to box transmission thrust.

2. The refrigerator according to claim 1, wherein the guide device comprises a receiving groove formed in the door body and penetrating through the inside and the outside of the door body, the air pressure balancing hole is formed in the receiving groove, and at least a portion of the thrust member is disposed in the receiving groove and slides along the receiving groove.

3. The refrigerator as claimed in claim 2, wherein the handle is pivotally mounted to the door body, a pivotal axis of the handle is parallel to a pivotal axis of the door body, the handle is provided with an accommodating portion, one end of the pushing member is disposed in the accommodating portion and abuts against a bottom surface of the accommodating portion, the handle is pivoted from an initial position to an open position, and the accommodating portion is in surface contact with the pushing member and abuts against the pushing member to drive the pushing member to move.

4. The refrigerator as claimed in claim 3, wherein the pushing member is formed in a hollow frame shape having an upper frame, a lower frame and a lower frame connecting the upper frame and the lower frame, the lower frame being provided with a tongue piece protruding toward a center of the pushing member, the pushing member sliding to drive the tongue piece to open or close the air pressure balancing hole.

5. The refrigerator as claimed in claim 4, further comprising a positioning connecting member connecting the door body and the handle, comprising a positioning portion and a connecting portion, wherein the positioning portion is at least partially embedded in the accommodating groove and cooperates with the pushing member to guide the pushing member to move and limit a limit position of the pushing member to move; the connecting portion is pivotally connected to the handle.

6. The refrigerator as claimed in claim 5, wherein a gap is left between each of the upper and lower frames and the tongue piece, guide grooves are provided on the upper and lower frames at a side close to the tongue piece, guide rails engaged with the guide grooves are provided on the connecting portion, and at least a part of the guide rails is embedded in the gap.

7. The refrigerator as claimed in claim 6, wherein the guide rail has a length smaller than that of the guide groove to limit an extreme position at which the thrust member slides.

8. The refrigerator according to claim 7, further comprising a filter screen disposed on the door body and covering the air pressure balancing hole.

9. The refrigerator according to claim 1, further comprising a vent hole provided in an inner surface of the door body and an exhaust pipe connecting the vent hole and the air pressure balancing hole, the exhaust pipe being disposed inside the door body.

10. The refrigerator as claimed in claim 9, wherein the door body is provided with two air pressure balance holes at intervals, two thrust members are respectively used for opening and closing the corresponding air pressure balance holes, the handle has a hand-pulling portion extending in a vertical direction, two ends of the hand-pulling portion are respectively in transmission connection with the two thrust members, and the exhaust pipe extends in the extending direction of the handle and is communicated with the two air pressure balance holes and the vent hole.