CN117419502A

CN117419502A - Refrigerator door opening structure and top double-door refrigerator

Info

Publication number: CN117419502A
Application number: CN202311416232.0A
Authority: CN
Inventors: 罗添福; 刘道金; 涂远德; 庾清其; 何磊涛
Original assignee: GUANGZHOU WANBAO GROUP REFRIGERATOR CO LTD
Current assignee: GUANGZHOU WANBAO GROUP REFRIGERATOR CO LTD
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-01-19

Abstract

The invention provides a refrigerator door opening structure, which comprises a refrigerator body and a door body; the end face of the door body is provided with a door hinge shaft near the edge, the box body is provided with a door support corresponding to the door hinge shaft, the door support is provided with a door hinge shaft jack, and the tail end of the door hinge shaft is movably inserted into the door hinge shaft jack to form a hinge connection structure so that the door body is movably hinged on the front face of the box body; comprises a door hinge shaft structure and a door lock structure; the door hinge shaft jack is positioned at the front end of the door support and is provided with a notch, and the door hinge shaft can be separated from the door hinge shaft jack or returned to the door hinge shaft jack by the notch; the notch and the door hinge shaft form a door hinge shaft structure. The door body and the box body of the top double-door refrigerator are connected through 2 upper door hinge connecting structures and 2 lower door hinge connecting structures, and each hinge connecting structure is provided with a refrigerator door opening structure. The invention can be used for opening the door at both sides all the time in the use process, is suitable for being used as a vehicle-mounted refrigerator, and can meet the requirements of users with left and right handedness.

Description

Refrigerator door opening structure and top double-door refrigerator

Technical Field

The invention relates to the technical field of refrigerators, in particular to a refrigerator door opening structure and a top double-door refrigerator.

Background

The refrigerator belongs to a household appliance and is used for storing and preserving food, beverage and the like. It reduces the internal temperature by a cyclic refrigeration technique to maintain the freshness and quality of the stored items. At present, refrigerators in the market mainly adopt a single door, and after a user purchases the refrigerator, one side of the door is rotatably installed, the other side of the door is openable and installed according to the use environment mainly including the space position of the door or the habit of the user using left and right hands, so that a fixed door opening mode of left door opening or right door opening is realized. The prior fixed direction door opening mode has the following defects: (1) When a plurality of users use the door together, such as a plurality of family members or a plurality of staff use the door when being used for company office, the door is very easy to be opened inconveniently once the habit of people using left and right hands is different, and the door is unfavorable to use. (2) As the on-vehicle refrigerator that consumers like at present, after its orientation of opening the door is fixed, be unfavorable for carrying out the position adjustment according to the interior space of car, very easily cause the refrigerator door unable to open when opening the door space inadequately. Therefore, the single-door refrigerator with fixed door opening direction in the market is inconvenient to use, and needs to be improved.

Disclosure of Invention

The invention aims to provide a refrigerator door opening structure and a top double-door refrigerator, so as to solve the problems in the background art.

The aim of the invention can be achieved by the following technical scheme:

a refrigerator door opening structure comprises a refrigerator body and a door body; the end face of the door body is provided with a door hinge shaft near the edge, the door body is provided with a door support corresponding to the door hinge shaft, the door support is provided with a door hinge shaft jack, and the tail end of the door hinge shaft is movably inserted into the door hinge shaft jack to form a hinge connection structure so that the door body is movably hinged on the front face of the box body; comprises a door hinge shaft structure and a door lock structure;

the door hinge shaft jack is positioned at the front end of the door support and is provided with a notch, and the door hinge shaft can be separated from the door hinge shaft jack or returned to the door hinge shaft jack by the notch; the notch and the door hinge shaft form a door hinge shaft structure;

the door lock structure comprises a door lock main shaft, a handle and a door lock mechanism arranged near the end part of the door lock main shaft;

the door lock main shaft is vertically and rotatably arranged in the side part of the door body, and a first swing arm is fixedly arranged at the end part of the door lock main shaft; the handle is movably arranged at the top of the door body and is close to the first swing arm, and after being pressed, the handle can apply force to the first swing arm, and the first swing arm drives the door lock main shaft to rotate;

the door lock mechanism comprises a lock shaft, an arc guide hole, a lock head and a second swing arm; the arc guide hole is arranged on the end face of the door body and is coaxial with the door hinge shaft, one end of the arc guide hole is provided with a lock hole communicated to the back face of the door body, and the lock shaft is fixedly arranged near an upper door hinge shaft jack of the door support, and the tail end of the lock shaft is movably inserted into the arc guide hole; the lock head is movably arranged near the lock hole in the door body, and the second swing arm is fixedly arranged on the door lock main shaft and is close to the lock head; the door lock main shaft rotates, the second swing arm can drive the lock head to leave the lock hole, the lock hole is communicated with the arc-shaped guide hole, and therefore the door body can be separated from the unlocking shaft through the lock hole, and the door body is unlocked.

Preferably, the lock head is provided with a lock head clamping groove, and the end part of the second swing arm is movably inserted into the lock head clamping groove.

Preferably, the door lock structure further comprises a lock head reset spring, wherein the lock head reset spring is arranged at the rear end of the lock head, the lock head leaves the lock hole and presses the lock head reset spring to enable the lock head reset spring to shrink and store force under the unlocking state of the door body, and the release force of the lock head reset spring presses the rear end of the lock head to enable the lock head to be inserted into the lock hole to seal the lock hole under the locking state of the door body.

Preferably, the rear end of the lock head is provided with a spring guide post, and the return spring of the lock head is sleeved on the spring guide post.

Preferably, the front end of the handle is also provided with a handle reset spring, the handle reset spring can be pressed to store force by pressing the handle, and the handle reset spring releases force to push the handle to reset after the handle is released.

Preferably, the top of the door body is provided with a handle guide post corresponding to the handle, the handle is provided with a mounting hole corresponding to the handle guide post and is movably sleeved on the handle guide post, and the handle reset spring is sleeved on the handle guide post.

Preferably, the door body is provided with a guide groove corresponding to the lock head, and the lock head can move along the guide groove.

The top double-door refrigerator comprises a door body and a refrigerator body, wherein two sides of the top end surface of the door body and the refrigerator body are provided with 2 hinge connection structures which are symmetrically arranged and serve as 2 door upper hinge connection structures, two sides of the bottom end surface of the door body and the refrigerator body are also provided with 2 hinge connection structures which are symmetrically arranged and serve as 2 door lower hinge connection structures, and each hinge connection structure is correspondingly provided with a door hinge shaft structure; the door lock structure comprises 2 groups which are symmetrically arranged and are correspondingly arranged between the upper door hinge connecting structure and the lower door hinge connecting structure, and the top end of the door lock main shaft in each group of door lock structure is provided with 1 set of door lock mechanism which locks or unlocks the upper door hinge connecting structure.

Preferably, another 1 set of door lock mechanism is arranged at the bottom end of the door lock main shaft in each set of door lock structure, and the locking or unlocking state is realized for the door lower hinge connection structure.

Preferably, in the door upper hinge connection structure, the door support is of a rectangular plate-shaped structure fixedly connected to the top end of the box body, and the box body is provided with a box cover for shielding the door support.

The invention has the following outstanding substantive features and remarkable progress:

1. according to the refrigerator door opening structure, the refrigerator door opening structures are symmetrically arranged on the left side and the right side of the top of the door body, and the corresponding side of the door body can be unlocked and opened by pressing the handle on one side of the user's dominant hand through the door lock main shaft and the door lock mechanism, so that the habit of the user's left and right hands can be adapted; in addition, the refrigerator can be used for opening the doors on the left side and the right side all the time in the using process, is suitable for being used as a vehicle-mounted refrigerator, and avoids the situation that the refrigerator door cannot be opened after the space in the vehicle is changed.

2. The invention has the characteristics of reasonable design, fastening connection of all parts, easy assembly, convenient door opening and convenient use.

Drawings

Fig. 1 is a perspective view of a refrigerator of the present invention.

Fig. 2 is a partially disassembled state diagram of the refrigerator of the present invention.

Fig. 3 is a partial structural state diagram of the refrigerator of the present invention.

Fig. 4 is a schematic view showing a refrigerator in a right side door-opening state according to the present invention.

Fig. 5 is an overall schematic view showing an installation state of the door lock structure of the present invention.

Fig. 6 is a partial schematic view showing an installation state of the door lock structure of the present invention.

Fig. 7 is a schematic view showing the overall state of the door lock structure of the present invention.

Fig. 8 is a schematic view showing an installation state of the handle of the present invention.

Fig. 9 is a right side unlock state schematic view of the door lock mechanism of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Examples

Referring to fig. 1-9, the present invention provides a technical solution:

a refrigerator door opening structure comprises a refrigerator body 1 and a door body 2.

The end face of the door body 2 is provided with a door hinge shaft 21 close to the edge, the box body 1 is provided with a door support 11 corresponding to the door hinge shaft 21, the door support 11 is provided with a door hinge shaft jack 10, and the tail end of the door hinge shaft 21 is movably inserted into the door hinge shaft jack 10 to form a hinge connection structure, so that the door body 2 is movably hinged on the front face of the box body 1.

The refrigerator door opening structure comprises a door hinge shaft structure and a door lock structure, wherein a notch 101 is formed in the front end of a door hinge shaft jack 10 positioned on a door support 11, and a door hinge shaft 21 can leave the door hinge shaft jack 10 from the notch 101 or return to the door hinge shaft jack 10, so that the notch 101 and the door hinge shaft 21 form the door hinge shaft structure. The door support 11 is used for stably connecting the door body 2, and normal switch rotation is not affected.

Referring specifically to fig. 5 to 9, the door lock structure includes a door lock main shaft 3, a handle 30, and a door lock mechanism provided near an end of the door lock main shaft 3.

The door lock main shaft 3 is vertically rotatably arranged in the side part of the door body 2, and the end part of the door lock main shaft is fixedly provided with a first swing arm 61; meanwhile, the handle 30 is movably arranged at the top of the door body 2 and is close to the first swing arm 61, and after being pressed, the handle 30 can apply force to the first swing arm 61, and the first swing arm 61 drives the door lock spindle 3 to rotate. Meanwhile, the front end of the handle 30 is also provided with a handle reset spring 301, the handle 30 is pressed to enable the handle reset spring 301 to be pressed and store force, and after the handle 30 is released, the handle reset spring 301 releases force to push the handle 30 to reset. Further, in this embodiment, the handle 30 adopts a strip structure, so the top of the door body 2 is further provided with 2 handle guide posts 302 symmetrically arranged corresponding to the handle 30, the handle 30 is provided with mounting holes corresponding to the handle guide posts 302 and movably sleeved on the handle guide posts 302, and the 2 handle return springs 301 are respectively sleeved on the 2 handle guide posts 302, so that the handle 30 can be utilized to realize the movable installation with stable structure by the positioning movement of the handle guide posts 302.

Referring specifically to fig. 7, the door lock mechanism includes a lock shaft 4, an arc-shaped guide hole 40, a lock head 5, and a second swing arm 62. The arc guide hole 40 is arranged on the end face of the door body 2 and is coaxial with the door hinge shaft 21, one end of the arc guide hole 40 is provided with a lock hole 41 communicated to the back face of the door body 2, the lock shaft 4 is fixedly arranged near the upper door hinge shaft jack 10 of the door support 11, and the tail end of the lock shaft 4 is movably inserted into the arc guide hole 40; the lock head 5 is movably arranged near the lock hole 41 in the door body 2, and the second swing arm 62 is fixedly arranged on the door lock main shaft 3 and is close to the lock head 5; the door lock main shaft 3 rotates, and the second swing arm 62 can drive the lock head 5 to leave the lock hole 41, so that the lock hole 41 is communicated with the arc-shaped guide hole 40, and further, the door body 2 can leave the lock shaft 4 from the lock hole 41, and the door body 2 is unlocked, as shown in fig. 9.

The door lock structure further comprises a lock return spring 7, wherein the lock return spring 7 is arranged at the rear end of the lock 5, the lock 5 leaves the lock hole 41 and is pressed against the lock return spring 7 under the unlocking state of the door body 2 to enable the lock return spring 7 to shrink and store force, the lock 5 is inserted into the lock hole 41 to block the lock hole 41 under the locking state of the door body 2, and the lock return spring 7 is pressed towards the rear end of the lock 5 to enable the lock 5 to be inserted into the lock hole 41 to block the lock hole 41, so that the lock 5 can be utilized to block the lock hole 41, the closing locking state of the door body 2 is realized, and the lock 5 is reset through the lock return spring 7 by the rear end of the lock 5, so that the door lock mechanism can be locked and reset rapidly.

The door body 2 is provided with a guide groove 51 corresponding to the lock head 5, the lock head 5 can move along the guide groove 51, the lock head 5 is provided with a lock head clamping groove 50, the end part of the second swing arm 62 is movably inserted into the lock head clamping groove 50, meanwhile, the rear end of the lock head 5 is provided with a spring guide post 71, a lock head reset spring 7 is sleeved on the spring guide post 71, the lock head 5 can move along the guide groove 51 in a directional manner and reset quickly, the second swing arm 62 is matched with the lock head 5 through the lock head clamping groove 50 in a movable manner, the second swing arm 62 can push and pull the lock head 5 conveniently, and when the lock head 5 is reset to a locked state by the elasticity of the lock head reset spring 7, the second swing arm 62, the door lock main shaft 3 and the first swing arm 61 can be driven to reset synchronously.

The refrigerator with double doors at the top adopts the refrigerator door opening structure, wherein two sides of the top end surfaces of the door body 2 and the refrigerator body 1 are provided with 2 hinge connection structures which are symmetrically arranged, the two sides of the bottom end surfaces of the door body 2 and the refrigerator body 1 are provided with 2 hinge connection structures which are symmetrically arranged, and each hinge connection structure is correspondingly provided with a door hinge shaft structure.

The door lock structure comprises 2 groups which are symmetrically arranged and are correspondingly arranged between the upper door hinge connecting structure and the lower door hinge connecting structure, and the top end of a door lock main shaft 3 in each group of door lock structure is provided with 1 set of door lock mechanism which locks or unlocks the upper door hinge connecting structure. Meanwhile, the bottom end of the door lock main shaft 3 in each group of door lock structures is provided with another 1 set of door lock mechanism, and the locking or unlocking state of the door lower hinge connection structure is realized.

Referring to fig. 2 in detail, the door support 11 in the hinge connection structure is a rectangular plate structure fixedly connected to the top end of the case 1, and the case 1 is provided with a cover 12 shielding the door support 11, thereby not only increasing the aesthetic property of the refrigerator, but also increasing the practicability of the refrigerator. The door support 11 in the door hinge connection structure is a rectangular plate structure transversely arranged on the front surface of the box body 1, and is also provided with a door hinge shaft jack 10 and a notch 101.

Referring specifically to fig. 6 to 9, the working principle of the present invention is:

when the refrigerator door needs to be opened, the door lock main shaft 3 is driven to rotate by pressing the handle 30 on one side of the top of the door body 2, in this embodiment, the handle 30 is pressed to the first swing arm 61, and then the door lock main shaft 3 is driven to rotate, and the second swing arm 62 synchronously rotates with the door lock main shaft 3 and pushes the lock head 5 to withdraw from the lock hole 41, so that the right door opening structure of the door body 2 is in an unlocking state, as shown in fig. 9. In this unlocked state, the door body 2 is separated from the unlocking shaft 4 by the lock hole 41, so that the right door opening structure of the door body 2 is unlocked, the right door hinge shaft 21 is matched with the door hinge shaft jack 10 separated from the notch 101, the user continues to press the right handle 30 to open the door body 2 from the right, meanwhile, the left door hinge shaft 21 rotates to facilitate the door body 2 to open a certain angle, and the left lock shaft 4 rotates along the arc-shaped guide hole 4 to be matched with the rotation of the door hinge shaft 21.

After the door body 2 is opened from the right side, a user releases the handle 30 on the right side, and the right side door opening structure is quickly and automatically reset under the actions of the handle reset spring 301 and the lock head reset spring 7.

When the door body 2 needs to be closed, the right side of the door body 2 can be directly and lightly pushed, the lock shaft 4 to the right side collides with the front end of the lock head 5, the lock head 5 automatically withdraws from the lock hole 41 when being impacted, and meanwhile, the arc-shaped guide hole 40 is reset by the opened lock hole 41. Alternatively, the user may press the right handle 30 again to open the lock hole 41. After the door body 2 is closed, the lock shaft 4 is reset to a locked state limited in the arc-shaped guide hole 40, and the door hinge shaft 21 on the right side is returned to the door hinge shaft insertion hole 10 through the notch 101.

Claims

1. A refrigerator door opening structure comprises a refrigerator body (1) and a door body (2); the door body (2) is provided with a door hinge shaft (21) close to the edge, the box body (1) is provided with a door support (11) corresponding to the door hinge shaft (21), the door support (11) is provided with a door hinge shaft jack (10), and the tail end of the door hinge shaft (21) is movably inserted into the door hinge shaft jack (10) to form a hinge connection structure so that the door body (2) is movably hinged on the front surface of the box body (1);

the method is characterized in that: comprises a door hinge shaft structure and a door lock structure;

the door hinge shaft jack (10) is positioned at the front end of the door support (11) and provided with a notch (101), and the door hinge shaft (21) can leave the door hinge shaft jack (10) or return to the door hinge shaft jack (10) through the notch (101); the notch (101) and the door hinge shaft (21) form a door hinge shaft structure;

the door lock structure comprises a door lock main shaft (3), a handle (30) and a door lock mechanism arranged near the end part of the door lock main shaft (3);

the door lock main shaft (3) is vertically and rotatably arranged in the side part of the door body (2), and a first swing arm (61) is fixedly arranged at the end part of the door lock main shaft; the handle (30) is movably arranged at the top of the door body (2) and is close to the first swing arm (61), the handle (30) can be applied to the first swing arm (61) after being pressed, and the first swing arm (61) drives the door lock main shaft (3) to rotate;

the door lock mechanism comprises a lock shaft (4), an arc-shaped guide hole (40), a lock head (5) and a second swing arm (62); the arc guide hole (40) is arranged on the end face of the door body (2) and is coaxial with the door hinge shaft (21), a lock hole (41) communicated to the back face of the door body (2) is formed in one end of the arc guide hole (40), and the lock shaft (4) is fixedly arranged near an upper door hinge shaft jack (10) of the door support (11) and the tail end of the lock shaft is movably inserted into the arc guide hole (40); the lock head (5) is movably arranged near the lock hole (41) in the door body (2), and the second swing arm (62) is fixedly arranged on the door lock main shaft (3) and is close to the lock head (5); the door lock main shaft (3) rotates, the lock head (5) is driven to leave the lock hole (41) through the second swing arm (62), the lock hole (41) is communicated with the arc-shaped guide hole (40), and therefore the door body (2) can leave the lock shaft (4) through the lock hole (41) and the door body (2) is unlocked.

2. The refrigerator door opening structure as claimed in claim 1, wherein: the lock head (5) is provided with a lock head clamping groove (50), and the end part of the second swing arm (62) is movably inserted into the lock head clamping groove (50).

3. The refrigerator door opening structure as claimed in claim 1, wherein: the door lock structure further comprises a lock head reset spring (7), wherein the lock head reset spring (7) is arranged at the rear end of the lock head (5), the lock head (5) leaves the lock hole (41) in the unlocking state of the door body (2) and is pressed towards the lock head reset spring (7) to enable the lock head reset spring (7) to shrink and store force, and the lock head (5) is inserted into the lock hole (41) to seal the lock hole (41) due to the fact that the lock head reset spring (7) is pressed towards the rear end of the lock head (5) in the locking state of the door body (2).

4. A refrigerator door opening structure according to claim 3, wherein: the rear end of the lock head (5) is provided with a spring guide post (71), and the lock head return spring (7) is sleeved on the spring guide post (71).

5. The refrigerator door opening structure as claimed in claim 1, wherein: the front end of the handle (30) is also provided with a handle reset spring (301), the handle (30) is pressed to enable the handle reset spring (301) to bear the pressure and accumulate force, and after the handle (30) is released, the handle reset spring (301) releases the force to push the handle (30) to reset.

6. The refrigerator door opening structure according to claim 5, wherein: the top of the door body (2) is provided with a handle guide post (302) corresponding to the handle (30), the handle (30) is provided with a mounting hole corresponding to the handle guide post (302) and is movably sleeved on the handle guide post (302), and the handle return spring (301) is sleeved on the handle guide post (302).

7. A refrigerator door opening structure according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that: the door body (2) is provided with a guide groove (51) corresponding to the lock head (5), and the lock head (5) can move (51) along the guide groove.

8. A top double door refrigerator, characterized in that: the refrigerator door opening structure disclosed in claim 1 or 2 or 3 or 4 or 5 or 6 is adopted, 2 hinge connection structures which are symmetrically arranged are arranged on two sides of the top end surfaces of the door body (2) and the box body (1) and serve as 2 door upper hinge connection structures, 2 hinge connection structures which are symmetrically arranged are also arranged on two sides of the bottom end surfaces of the door body (2) and the box body (1) and serve as 2 door lower hinge connection structures, and each hinge connection structure is correspondingly provided with a door hinge shaft structure; the door lock structure comprises 2 groups which are symmetrically arranged and are correspondingly arranged between the upper door hinge connecting structure and the lower door hinge connecting structure, and 1 set of door lock mechanism is arranged at the top end of the door lock main shaft (3) in each group of door lock structure and is used for locking or unlocking the upper door hinge connecting structure.

9. The top double door refrigerator of claim 8, wherein: the bottom end of the door lock main shaft (3) in each group of door lock structures is provided with another 1 set of door lock mechanism, and the door lock main shaft is locked or unlocked to the door lower hinge connection structure.

10. The top double door refrigerator of claim 8, wherein: in the door upper hinge connection structure, the door support (11) is of a rectangular plate-shaped structure fixedly connected to the top end of the box body (1), and the box body (1) is provided with a box cover (12) for shielding the door support (11).