A hinge assembly for a refrigerator

Abstract

The utility model relates to the technical field of hinges, and in particular to a hinge assembly for a refrigerator, which improves the stability of a cabinet door in use, improves the effect of the cabinet door automatically closing a cabinet opening, improves functionality in use, and improves convenience in use; it comprises a cabinet body and a cabinet door, an opening is arranged at the front end of the cabinet body, and the cabinet door is arranged at the front end opening of the cabinet body; it also comprises a power device, a support seat, two groups of support shafts and a first sprocket, the support seat is mounted on the outer wall of the cabinet body, the two groups of support shafts are respectively mounted on the two lower parts of the left end of the cabinet door, and the two groups of support shafts are both rotatably mounted on the support seat, the first sprocket is mounted on the top end of the upper support shaft, a power device is arranged on the cabinet body, the first sprocket is connected to the power device, and the power device is used to provide power for the rotation of the first sprocket.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a hinge assembly for a refrigerating cabinet. Background Art

[0002] Refrigerator door hinges are usually made of corrosion-resistant and wear-resistant materials such as stainless steel or aluminum alloy. They need to have sufficient strength and stability to bear the weight of the refrigerator door and maintain stable movement.

[0003] For example, in the utility model patent with the prior art authorization announcement number CN218150387U, the utility model relates to the technical field of refrigerators, and discloses a refrigerator structure with a hinge, including a hinge, and a door body and a cabinet body that are hinged and opened and closed by the hinge. The cabinet body is provided with a cabinet embedded part, and a fixing seat is provided in the cabinet embedded part; the door body is provided with a door embedded part, and a connecting piece is provided in the door embedded part; the two sides of the hinge are respectively embedded in the cabinet embedded part and the door embedded part, and are fixedly connected to the fixing seat and the connecting piece respectively.

[0004] However, during use, it was found that the hinge is not convenient for providing power for automatic closing of the cabinet door. When the cabinet door is forgotten to be closed or there is a gap in the door, the cabinet door is not convenient for automatic closing through the rotational power provided by the hinge, which increases the heat loss of the refrigerator and the energy consumption of the refrigerator. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a hinge assembly for a refrigerator that improves the stability of the cabinet door, improves the effect of the cabinet door automatically closing the cabinet opening, improves the functionality of use, and improves the convenience of use.

[0006] The utility model discloses a hinge assembly for a refrigerator, comprising a cabinet body and a cabinet door, wherein the cabinet body is provided with an opening at the front end thereof, and the cabinet door is provided at the front end opening of the cabinet body; the utility model also comprises a power device, a support seat, two groups of support shafts and a first sprocket wheel, wherein the support seat is installed on the outer wall of the cabinet body, the two groups of support shafts are respectively installed on the two lower parts of the left end of the cabinet door, and the two groups of support shafts are both rotatably installed on the support seat, the first sprocket wheel is installed on the top end of the upper support shaft, the cabinet body is provided with a power device, the first sprocket wheel is connected to the power device, and the power device is used to provide power for the rotation of the first sprocket wheel; by rotating the cabinet door, The cabinet door closes or opens the cabinet opening. After the cabinet door rotates, it drives the support shaft to rotate. The support seat supports the rotation of the support shaft, thereby improving the rotation guiding effect of the support shaft and improving the stability of the cabinet door. After the support shaft rotates, it drives the first sprocket to rotate, so that the first sprocket drives the power device to operate. When the cabinet door needs to be closed, the first sprocket is driven to rotate in the opposite direction by the power device. After the first sprocket rotates in the opposite direction, the cabinet door is driven to rotate and close through the support shaft, thereby improving the effect of the cabinet door automatically closing the cabinet opening, improving the functionality of the hinge assembly, and improving the convenience of use of the hinge assembly.

[0007] Preferably, the power device includes a guide device, a rotating shaft, a second sprocket, a chain, a spur gear, a rack and a tension spring. The rotating shaft is rotatably mounted on the top of the cabinet, the second sprocket is mounted on the upper part of the outer wall of the rotating shaft, the two ends of the chain are respectively mounted on the outer walls of the first sprocket and the second sprocket, the spur gear is mounted on the lower part of the outer wall of the rotating shaft, the rack is slidably mounted on the top of the cabinet through the guide device, and the rack is meshed with the spur gear, one end of the tension spring is mounted on the guide device, and the other end of the tension spring is connected to the rear end of the rack; when the cabinet door is opened, the first sprocket is driven to rotate, and the first sprocket After the rotation, the chain drives the second sprocket to rotate, and the second sprocket drives the rotating shaft to rotate. After the rotating shaft rotates, it drives the spur gear to rotate. After the spur gear rotates, it drives the rack to slide forward through the meshing with the rack. After the rack slides forward, it stretches the tension spring. When the cabinet door needs to be closed, the tension spring provides a backward pulling force to the rack, so that the rack drives the spur gear to rotate in the opposite direction. After the spur gear rotates in the opposite direction, it drives the rotating shaft to rotate, so that the rotating shaft drives the first sprocket to rotate in the opposite direction through the second sprocket and the chain, and then the cabinet door rotates and closes, thereby improving the convenience of automatic closing of the cabinet door.

[0008] Preferably, it also includes a damping fluid cylinder, a connecting shaft, a crown gear and blades, the damping fluid cylinder is installed on the top of the cabinet, the connecting shaft is rotatably installed on the inner side wall of the damping fluid cylinder, the crown gear is installed on the end of the connecting shaft, and the crown gear is meshed with the rack, the blades are installed on the outer side wall of the connecting shaft, and a plurality of through holes are provided on the blades; when the rack slides, it drives the crown gear to rotate, and after the crown gear rotates, it drives the connecting shaft and the blades to rotate, so that the damping fluid in the damping fluid cylinder provides resistance to the rotation of the blades, thereby making the blades provide resistance to the sliding of the rack, thereby improving the deceleration effect when the cabinet door automatically rotates and closes, and improving the stability of the cabinet door in use.

[0009] Preferably, the guiding device includes a fixing part and a guide column, the fixing part is installed on the top of the cabinet, the guide column is installed on the inner wall of the fixing part, the rack is slidably installed on the guide column, and one end of the tension spring is connected to the outer wall of the fixing part; the sliding of the rack is guided by the guide column, thereby improving the movement stability of the rack and improving the structural stability of the assembly.

[0010] Preferably, it also includes a shell, which is installed on the top of the cabinet; the shell protects the components on the top of the cabinet, reduces the possibility of components being contaminated or damaged by collision, and improves the protection effect of the components.

[0011] Preferably, it also includes a sealing rubber ring, which is installed at the front end opening of the cabinet body; by providing the sealing rubber ring, the buffering effect when the cabinet door is closed is improved, and the sealing effect between the cabinet body and the cabinet door is improved.

[0012] Preferably, it also includes an inspection door, which is arranged on the outer side wall of the shell; by arranging the inspection door, the convenience of inspection and maintenance of the internal components of the shell is improved.

[0013] Preferably, it also includes a handle, which is installed on the outer side wall of the cabinet door; by providing the handle, the convenience of opening the cabinet door is improved.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: by rotating the cabinet door, the cabinet door can close or open the opening of the cabinet body; after the cabinet door rotates, it drives the support shaft to rotate, and the support seat supports the rotation of the support shaft, thereby improving the rotation guiding effect of the support shaft and improving the stability of the cabinet door; after the support shaft rotates, it drives the first sprocket to rotate, so that the first sprocket drives the power device to operate; when the cabinet door needs to be closed, the first sprocket is driven by the power device to rotate in the opposite direction; after the first sprocket rotates in the opposite direction, the cabinet door is driven to rotate and close through the support shaft, thereby improving the effect of the cabinet door automatically closing the cabinet opening, improving the functionality of the hinge assembly, and improving the convenience of use of the hinge assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the axonometric structure of the connection between the cabinet body and the sealing rubber ring;

[0017] Figure 3 It is a schematic diagram of the axonometric partial structure of the connection between the support shaft and the first sprocket etc.;

[0018] Figure 4 It is a schematic diagram of the axonometric partial structure of the connection between the connecting shaft and the crown gear, etc.;

[0019] Figure 5It is a schematic diagram of the axonometric structure of the connection between the cabinet and fixings.

[0020] Markings in the attached drawings: 1. cabinet body; 2. cabinet door; 3. support seat; 4. support shaft; 5. first sprocket; 6. rotating shaft; 7. second sprocket; 8. chain; 9. spur gear; 10. rack; 11. tension spring; 12. damping fluid cylinder; 13. connecting shaft; 14. crown gear; 15. blade; 16. fixing part; 17. guide column; 18. housing; 19. sealing rubber ring; 20. inspection door; 21. handle. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figures 1 to 5 As shown, a hinge assembly of a refrigerator of the utility model comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body 1 is provided with an opening at the front end thereof, and the cabinet door 2 is provided at the front end opening of the cabinet body 1; and further comprises a power device, a support seat 3, two groups of support shafts 4 and a first sprocket 5, wherein the support seat 3 is installed on the outer wall of the cabinet body 1, the two groups of support shafts 4 are respectively installed at the two lower parts of the left end of the cabinet door 2, and the two groups of support shafts 4 are both rotatably mounted on the support seat 3, the first sprocket 5 is installed at the top end of the upper support shaft 4, the cabinet body 1 is provided with a power device, the first sprocket 5 is connected to the power device, and the power device is used to provide power for the rotation of the first sprocket 5;

[0024] like Figure 4 As shown, the power device includes a guide device, a rotating shaft 6, a second sprocket 7, a chain 8, a spur gear 9, a rack 10 and a tension spring 11. The rotating shaft 6 is rotatably mounted on the top of the cabinet 1. The second sprocket 7 is sleeved on the upper part of the outer wall of the rotating shaft 6. The two ends of the chain 8 are respectively sleeved on the outer walls of the first sprocket 5 and the second sprocket 7. The spur gear 9 is installed on the lower part of the outer wall of the rotating shaft 6. The rack 10 is slidably mounted on the top of the cabinet 1 through the guide device, and the rack 10 is meshed with the spur gear 9. One end of the tension spring 11 is installed on the guide device, and the other end of the tension spring 11 is connected to the rear end of the rack 10.

[0025] In this embodiment, the cabinet door 2 is rotated to close or open the opening of the cabinet body 1. After the cabinet door 2 rotates, it drives the support shaft 4 to rotate. The support seat 3 supports the support shaft 4 for rotation, thereby improving the rotation guiding effect of the support shaft 4 and improving the use stability of the cabinet door 2. After the support shaft 4 rotates, it drives the first sprocket 5 to rotate, so that the first sprocket 5 drives the power device to operate. When the cabinet door 2 needs to be closed, the first sprocket 5 is driven by the power device to rotate in the opposite direction. After the first sprocket 5 rotates in the opposite direction, it drives the cabinet door 2 to rotate and close through the support shaft 4, thereby improving the effect of the cabinet door 2 automatically closing the opening of the cabinet body 1, improving the functionality of the hinge assembly, and improving the convenience of use of the hinge assembly.

[0026] Example 2

[0027] like Figures 1 to 5 As shown, a hinge assembly of a refrigerator of the utility model comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body 1 is provided with an opening at the front end thereof, and the cabinet door 2 is provided at the front end opening of the cabinet body 1; and further comprises a power device, a support seat 3, two groups of support shafts 4 and a first sprocket 5, wherein the support seat 3 is installed on the outer wall of the cabinet body 1, the two groups of support shafts 4 are respectively installed at the two lower parts of the left end of the cabinet door 2, and the two groups of support shafts 4 are both rotatably mounted on the support seat 3, the first sprocket 5 is installed at the top end of the upper support shaft 4, the cabinet body 1 is provided with a power device, the first sprocket 5 is connected to the power device, and the power device is used to provide power for the rotation of the first sprocket 5;

[0028] like Figure 4 As shown, the power device includes a guide device, a rotating shaft 6, a second sprocket 7, a chain 8, a spur gear 9, a rack 10 and a tension spring 11. The rotating shaft 6 is rotatably mounted on the top of the cabinet 1. The second sprocket 7 is sleeved on the upper part of the outer wall of the rotating shaft 6. The two ends of the chain 8 are respectively sleeved on the outer walls of the first sprocket 5 and the second sprocket 7. The spur gear 9 is installed on the lower part of the outer wall of the rotating shaft 6. The rack 10 is slidably mounted on the top of the cabinet 1 through the guide device, and the rack 10 is meshed with the spur gear 9. One end of the tension spring 11 is installed on the guide device, and the other end of the tension spring 11 is connected to the rear end of the rack 10.

[0029] like Figure 4 As shown, it also includes a damping fluid cylinder 12, a connecting shaft 13, a crown gear 14 and a blade 15, the damping fluid cylinder 12 is installed on the top of the cabinet 1, the connecting shaft 13 is rotatably installed on the inner side wall of the damping fluid cylinder 12, the crown gear 14 is installed at the end of the connecting shaft 13, and the crown gear 14 is meshed with the rack 10, the blade 15 is installed on the outer side wall of the connecting shaft 13, and the blade 15 is provided with a plurality of through holes;

[0030] like Figure 4As shown, the guide device includes a fixing member 16 and a guide column 17, the fixing member 16 is mounted on the top of the cabinet 1, the guide column 17 is mounted on the inner wall of the fixing member 16, the rack 10 is slidably mounted on the guide column 17, and one end of the tension spring 11 is connected to the outer wall of the fixing member 16;

[0031] like Figure 1 As shown, it also includes a housing 18, which is mounted on the top of the cabinet 1;

[0032] like Figure 1 As shown, it also includes a sealing rubber ring 19, which is installed at the front opening of the cabinet 1;

[0033] like Figure 1 As shown, it also includes an inspection door 20, which is arranged on the outer side wall of the housing 18;

[0034] like Figure 1 As shown, it also includes a handle 21, which is installed on the outer side wall of the cabinet door 2;

[0035] In this embodiment, when the cabinet door 2 is opened, it drives the first sprocket 5 to rotate. After the first sprocket 5 rotates, it drives the second sprocket 7 to rotate through the chain 8. After the second sprocket 7 rotates, it drives the rotating shaft 6 to rotate. After the rotating shaft 6 rotates, it drives the spur gear 9 to rotate. After the spur gear 9 rotates, it drives the rack 10 to slide forward through the meshing with the rack 10. After the rack 10 slides forward, it stretches the tension spring 11. When the cabinet door 2 needs to be closed, the tension spring 11 provides a backward pulling force to the rack 10, so that the rack 10 drives the spur gear 9 to rotate in the opposite direction. After the spur gear 9 rotates in the opposite direction, The rotating shaft 6 is driven to rotate, so that the rotating shaft 6 drives the first sprocket 5 to rotate in the opposite direction through the second sprocket 7 and the chain 8, and then the cabinet door 2 is rotated and closed, thereby improving the convenience of automatic closing of the cabinet door 2. When the rack 10 slides, it drives the crown gear 14 to rotate. After the crown gear 14 rotates, it drives the connecting shaft 13 and the blade 15 to rotate, so that the damping fluid in the damping fluid cylinder 12 provides resistance to the rotation of the blade 15, so that the blade 15 provides resistance to the sliding of the rack 10, thereby improving the deceleration effect of the cabinet door 2 when it automatically rotates and closes, and improving the stability of the cabinet door 2 in use.

[0036] The utility model provides a hinge assembly for a refrigerator, which, when working, closes or opens the opening of the cabinet door 2 to the cabinet body 1 by rotating the cabinet door 2. The cabinet door 2 rotates and drives the support shaft 4 to rotate. The support shaft 4 rotates and drives the first sprocket 5 to rotate, so that the first sprocket 5 drives the power device to operate. When the cabinet door 2 needs to be closed, the first sprocket 5 is driven by the power device to rotate in the opposite direction. After the first sprocket 5 rotates in the opposite direction, it drives the cabinet door 2 to rotate and close through the support shaft 4.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A refrigerated cabinet hinge assembly, comprising a cabinet body (1) and a cabinet door (2), wherein the cabinet body (1) is provided with an opening at the front end, and the cabinet door (2) is arranged at the front end opening of the cabinet body (1); characterized in that: The cabinet (1) further comprises a power device, a support seat (3), two groups of support shafts (4) and a first sprocket (5), wherein the support seat (3) is mounted on the outer wall of the cabinet body (1), the two groups of support shafts (4) are respectively mounted on the left and lower parts of the cabinet door (2), and the two groups of support shafts (4) are both rotatably mounted on the support seat (3), the first sprocket (5) is mounted on the top of the upper support shaft (4), the cabinet body (1) is provided with a power device, the first sprocket (5) is connected to the power device, and the power device is used to provide power for the rotation of the first sprocket (5).

2. A refrigerator hinge assembly according to claim 1, characterized in that: The power device comprises a guide device, a rotating shaft (6), a second sprocket (7), a chain (8), a spur gear (9), a rack (10) and a tension spring (11); the rotating shaft (6) is rotatably mounted on the top of the cabinet (1); the second sprocket (7) is sleeved on the upper part of the outer wall of the rotating shaft (6); the two ends of the chain (8) are sleeved on the outer walls of the first sprocket (5) and the second sprocket (7) respectively; the spur gear (9) is mounted on the lower part of the outer wall of the rotating shaft (6); the rack (10) is slidably mounted on the top of the cabinet (1) through the guide device, and the rack (10) is meshed with the spur gear (9); one end of the tension spring (11) is mounted on the guide device, and the other end of the tension spring (11) is connected to the rear end of the rack (10).

3. A refrigerator hinge assembly according to claim 1, characterized in that: The invention also comprises a damping fluid cylinder (12), a connecting shaft (13), a crown gear (14) and a blade (15), wherein the damping fluid cylinder (12) is mounted on the top of the cabinet (1), the connecting shaft (13) is rotatably mounted on the inner wall of the damping fluid cylinder (12), the crown gear (14) is mounted on the end of the connecting shaft (13), and the crown gear (14) is meshed with the rack (10), the blade (15) is mounted on the outer wall of the connecting shaft (13), and a plurality of through holes are arranged on the blade (15).

4. A refrigerator hinge assembly as claimed in claim 2, characterized in that: The guide device comprises a fixing member (16) and a guide column (17), wherein the fixing member (16) is mounted on the top of the cabinet (1), the guide column (17) is mounted on the inner wall of the fixing member (16), the rack (10) is slidably mounted on the guide column (17), and one end of the tension spring (11) is connected to the outer wall of the fixing member (16).

5. The hinge assembly for a refrigerator as claimed in claim 1, characterized in that: It also includes a shell (18), which is installed on the top of the cabinet (1).

6. The hinge assembly for a refrigerator as claimed in claim 1, characterized in that: It also includes a sealing rubber ring (19), which is installed at the front end opening of the cabinet (1).

7. A refrigerator hinge assembly as claimed in claim 5, characterized in that: It also includes an inspection door (20), which is arranged on the outer side wall of the shell (18).

8. The hinge assembly for a refrigerator as claimed in claim 1, characterized in that: It also comprises a handle (21), which is mounted on the outer side wall of the cabinet door (2).

Images