Hinge device for refrigerator

Abstract

The utility model belongs to the technical field of hinge devices, and particularly relates to a hinge device for a refrigerator, which comprises a hinge device body and further comprises a fixing block, the fixing block is fixedly connected on the inner wall of the hinge device body, the top surface of the fixing block is fixedly connected with two fixing rods, two first sliding grooves are respectively arranged in the two fixing rods, and the two first sliding grooves are respectively arranged in the two first sliding grooves. A first extrusion block is slidably connected between the two first sliding grooves, two first threaded rods are in threaded connection with the interior of the first extrusion block, and the two first threaded rods are located in the two first sliding grooves correspondingly and rotationally connected with the two first sliding grooves; the hinge device solves the problems that in the using process of the hinge device, the elastic force of the spring in the hinge device cannot be adjusted, if the elastic force of the spring in the hinge device is too large or too small, a refrigerator door is likely to be difficult to open or close, a user needs to push and pull the refrigerator door forcefully, and the hinge device is inconvenient to use. And even the door body can be shaken or collided, so that the use comfort is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hinge devices, and in particular relates to a hinge device for a refrigerator. Background Art

[0002] A freezer hinge is a mechanical device that connects the door and the cabinet, allowing them to rotate relative to each other. This device plays a crucial role in a freezer, not only ensuring the door opens and closes smoothly but also impacting the freezer's sealing and service life.

[0003] Traditional hinges cannot adjust the spring force of their internal springs during use. If the spring force is too high or too low, the refrigerator door may become difficult to open or close, requiring the user to push or pull with force. This may even cause the door to shake or collide, affecting user comfort. To address this issue, we propose a hinge device for refrigerators. Utility Model Content

[0004] The purpose of the present invention is to provide a hinge device for a refrigerator to solve the problems raised in the above background technology.

[0005] In view of this, the present invention provides a hinge device for a refrigerator, comprising a hinge device body, and further comprising:

[0006] A fixed block, the fixed block being fixedly connected to the inner wall of the hinge device body, the top surface of the fixed block being fixedly connected to two fixed rods, two first sliding grooves being respectively defined in the two fixed rods, a first extrusion block being slidably connected between the two first sliding grooves, the first extrusion block being internally threadedly connected to two first threaded rods, and the two first threaded rods being respectively located in the two first sliding grooves and being rotatably connected to the two first sliding grooves;

[0007] a spring, wherein the spring is disposed in the hinge device body, and the bottom end of the spring is in contact with the top surface of the first extrusion block;

[0008] Two movable grooves, the two movable grooves are symmetrically opened in the fixed block and are respectively connected to the two first sliding grooves, the first sprocket and the second sprocket are rotatably connected in the movable groove, and one end of the first sprocket passes through the inner wall of the movable groove and extends into the first sliding groove to be fixed to the bottom end of the first threaded rod, and a chain is engaged between the first sprocket and the second sprocket;

[0009] A driving assembly is located in the fixed block and is used to drive the two second sprockets to rotate.

[0010] Based on the above structure, by setting the first slide groove and the first extrusion block, it is ensured that the first extrusion block can slide between the two first slide grooves, and by setting the first threaded rod, it is ensured that the two first threaded rods can rotate in the two first slide grooves respectively. When the two first threaded rods rotate, the first extrusion block will be moved by the action of the threads of the two first threaded rods. By setting the movable groove and the first sprocket, it is ensured that the first sprocket can rotate in the movable groove. By setting the second sprocket and the chain, it is ensured that when the second sprocket rotates, the second sprocket will drive the first sprocket to rotate through the chain. By setting the driving component, it is ensured that the user can drive the two second sprockets to rotate through the driving component.

[0011] In the above technical solution, further, the driving component includes:

[0012] Two first rotating grooves, the two first rotating grooves are symmetrically provided in the fixed block and are respectively connected to the two movable grooves, two first gears are rotatably connected in the two first rotating grooves, and the bottom ends of the two first gears extend into the two movable grooves and are respectively fixed to the top ends of the two second sprockets;

[0013] a second rotating groove, the second rotating groove being provided in the fixed block and communicating with the two first rotating grooves, a gear ring being rotatably connected in the second rotating groove and meshing with the two first gears;

[0014] a third rotating groove, the third rotating groove being provided in the fixed block and communicating with the second rotating groove, wherein a second gear meshing with the gear ring is rotatably connected in the third rotating groove;

[0015] a fourth rotating groove, the fourth rotating groove being provided in the fixed block and communicating with the third rotating groove, a through groove being provided on an inner wall of the fourth rotating groove communicating with the outside, a worm gear being rotatably connected in the fourth rotating groove, the top end of the worm gear extending into the third rotating groove and being fixed to the second gear, a worm being engaged with one side of the worm gear and rotating in the through groove;

[0016] The fixing assembly is located in the fixing block and is used to fix the worm.

[0017] In this technical solution, it is ensured that the user can adjust the elastic force of the spring.

[0018] In the above technical solution, further, the fixing assembly includes:

[0019] The second slide groove is opened on the inner wall of the through groove and is connected to the outside world. The second extrusion block is slidably connected in the second slide groove. The second extrusion block is threadedly connected to the second threaded rod, and the bottom end of the second threaded rod extends to the outside world and is rotatably connected to the fixed block.

[0020] In this technical solution, it is ensured that the worm will not rotate under external influences.

[0021] In the above technical solution, further, the bottom end of the first gear is rotatably connected to the movable groove.

[0022] In this technical solution, it is ensured that the bottom end of the first gear can rotate normally in the movable groove.

[0023] In the above technical solution, further, one end of the worm gear is rotationally connected to the third rotation groove.

[0024] In this technical solution, it is ensured that one end of the worm wheel can rotate normally in the third rotation groove.

[0025] In the above technical solution, further, the top end of the first sprocket is rotatably connected to the first sliding groove.

[0026] In this technical solution, it is ensured that the top end of the first sprocket can rotate normally in the first sliding groove.

[0027] In the above technical solution, further, the threads on the two first threaded rods have the same rotation direction.

[0028] In this technical solution, it is ensured that when the two first threaded rods rotate, the first extrusion block will be moved by the action of the threads of the two first threaded rods.

[0029] Based on the above structure, the beneficial effects of the utility model are:

[0030] 1. The hinge device for a refrigerator ensures that the first extrusion block can slide between the two first sliding grooves by providing a first sliding groove and a first extrusion block, and ensures that the two first threaded rods can rotate in the two first sliding grooves respectively by providing a first threaded rod. When the two first threaded rods rotate, the first extrusion block will be moved by the action of the threads of the two first threaded rods. The movable groove and the first sprocket are provided to ensure that the first sprocket can rotate in the movable groove. The second sprocket and the chain are provided to ensure that when the second sprocket rotates, the second sprocket will drive the first sprocket to rotate through the chain. The driving assembly is provided to ensure that the user can drive the two second sprockets to rotate through the driving assembly, thereby solving the problem that the hinge device cannot adjust the elastic force of its internal spring during use. If the elastic force of the spring inside the hinge device is too large or too small, the refrigerator door may become difficult to open or close, requiring the user to push and pull hard, and may even cause the door body to shake or collide, affecting the comfort of use.

[0031] 2. The hinge device for the refrigerator ensures that the user can fix the worm through the fixing component and the worm, thereby preventing the worm from rotating due to external influences. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0033] Figure 2 This is a schematic diagram of the internal structure of the fixing rod of the utility model;

[0034] Figure 3 This is one of the internal structure diagrams of the fixed block of the utility model;

[0035] Figure 4 This is the second schematic diagram of the internal structure of the fixed block of the utility model;

[0036] Figure 5 This is the third schematic diagram of the internal structure of the fixed block of the utility model;

[0037] Figure 6 This is the fourth schematic diagram of the internal structure of the fixed block of the utility model.

[0038] The marks in the figure are:

[0039] 1. Hinge device body; 2. Fixed block; 3. Fixed rod; 4. First slide groove; 5. First extrusion block; 6. First threaded rod; 7. Spring; 8. Movable groove; 9. First sprocket; 10. Second sprocket; 11. Chain; 12. First rotating groove; 13. First gear; 14. Second rotating groove; 15. Gear ring; 16. Third rotating groove; 17. Second gear; 18. Fourth rotating groove; 19. Through groove; 20. Worm wheel; 21. Worm; 22. Second slide groove; 23. Second extrusion block; 24. Second threaded rod. DETAILED DESCRIPTION

[0040] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0041] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0042] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0043] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0044] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0045] Example 1:

[0046] See also Figure 1 - Figure 6 As shown, this embodiment provides a hinge device for a refrigerator, including a hinge device body 1, and further comprising:

[0047] A fixed block 2 is fixedly connected to the inner wall of the hinge device body 1. Two fixed rods 3 are fixedly connected to the top surface of the fixed block 2. Two first sliding grooves 4 are respectively defined in the two fixed rods 3. A first extrusion block 5 is slidably connected between the two first sliding grooves 4. The first extrusion block 5 is internally threadedly connected to two first threaded rods 6. The two first threaded rods 6 are respectively located in the two first sliding grooves 4 and are rotatably connected to the two first sliding grooves 4.

[0048] Spring 7, spring 7 is disposed in the hinge device body 1, and the bottom end of the spring 7 is in contact with the top surface of the first extrusion block 5;

[0049] Two movable grooves 8 are symmetrically opened in the fixed block 2 and are respectively connected to the two first slide grooves 4. A first sprocket 9 and a second sprocket 10 are rotatably connected in the movable groove 8, and one end of the first sprocket 9 passes through the inner wall of the movable groove 8 and extends into the first slide groove 4 to be fixed with the bottom end of the first threaded rod 6. A chain 11 is engaged between the first sprocket 9 and the second sprocket 10;

[0050] The driving assembly is located in the fixed block 2 and is used to drive the two second sprockets 10 to rotate.

[0051] Example 2:

[0052] This embodiment provides a hinge device for a refrigerator. In addition to the technical solutions of the above embodiments, it also has the following technical features. The drive assembly includes:

[0053] Two first rotating grooves 12 are symmetrically provided in the fixed block 2 and are respectively connected to the two movable grooves 8. Two first gears 13 are rotatably connected in the two first rotating grooves 12, and the bottom ends of the two first gears 13 extend into the two movable grooves 8 and are respectively fixed to the top ends of the two second sprockets 10;

[0054] A second rotating groove 14 is provided in the fixed block 2 and communicates with the two first rotating grooves 12 . A gear ring 15 is rotatably connected in the second rotating groove 14 , and the gear ring 15 meshes with the two first gears 13 .

[0055] A third rotating groove 16 is provided in the fixed block 2 and communicates with the second rotating groove 14 . A second gear 17 meshing with the gear ring 15 is rotatably connected in the third rotating groove 16 .

[0056] A fourth rotating groove 18 is provided in the fixed block 2 and communicates with the third rotating groove 16. A through groove 19 communicating with the outside is provided on the inner wall of the fourth rotating groove 18. A worm gear 20 is rotatably connected in the fourth rotating groove 18, and the top end of the worm gear 20 extends into the third rotating groove 16 and is fixed to the second gear 17. A worm 21 is engaged on one side of the worm gear 20 and rotates with the through groove 19.

[0057] The fixing assembly is located in the fixing block 2 and is used to fix the worm 21 .

[0058] When the two first gears 13 rotate, the bottom ends of the two first gears 13 will respectively drive the two second sprockets 10 to rotate in the two movable grooves 8, and the two second sprockets 10 will respectively drive the two first sprockets 9 to rotate through the two chains 11, so that the two first sprockets 9 respectively drive the two first threaded rods 6 to rotate in the two first sliding grooves 4, so that the first extrusion block 5 is affected by the threads of the two first threaded rods 6 and moves upward along the two first sliding grooves 4, so that the first extrusion block 5 squeezes the spring 7, shortening the pitch on the spring 7, to ensure that the user can adjust the elastic force of the spring 7.

[0059] Example 3:

[0060] This embodiment provides a hinge device for a refrigerator. In addition to the technical solutions of the above embodiments, it also has the following technical features. The fixing assembly includes:

[0061] The second slide groove 22 is opened on the inner wall of the through groove 19 and is connected to the outside world. The second extrusion block 23 is slidably connected in the second slide groove 22. The second extrusion block 23 is internally threaded with a second threaded rod 24, and the bottom end of the second threaded rod 24 extends to the outside world and is rotatably connected to the fixed block 2.

[0062] Among them, when the adjustment of the spring 7 is completed, the user manually rotates the second threaded rod 24, allowing the second extrusion block 23 to move upward along the second slide groove 22 under the action of the thread of the second threaded rod 24. When the second extrusion block 23 moves upward to a position where it cannot move, the second extrusion block 23 will squeeze the worm 21, fixing the worm 21 in the through groove 19 and preventing it from moving, ensuring that the worm 21 will not rotate due to external influences.

[0063] Example 4:

[0064] This embodiment provides a hinge device for a refrigerator. In addition to the technical solutions of the above embodiments, it also has the following technical features: the bottom end of the first gear 13 is rotatably connected to the movable groove 8.

[0065] Here, it is ensured that the bottom end of the first gear 13 can rotate normally in the movable groove 8 .

[0066] Example 5:

[0067] This embodiment provides a hinge device for a refrigerator. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the worm gear 20 is rotatably connected to the third rotation groove 16.

[0068] Here, it is ensured that one end of the worm wheel 20 can rotate normally in the third rotation groove 16 .

[0069] Example 6:

[0070] This embodiment provides a hinge device for a refrigerator. In addition to the technical solutions of the above embodiments, it also has the following technical features: the top end of the first sprocket 9 is rotatably connected to the first sliding groove 4.

[0071] Here, it is ensured that the top end of the first sprocket 9 can rotate normally in the first sliding groove 4 .

[0072] Example 7:

[0073] This embodiment provides a hinge device for a refrigerator. In addition to the technical solutions of the above embodiments, it also has the following technical features: the threads on the two first threaded rods 6 have the same rotation direction.

[0074] Here, it is ensured that when the two first threaded rods 6 rotate, the first extrusion block 5 is moved by the action of the threads of the two first threaded rods 6 .

[0075] During use, the user rotates the worm 21 by hand, so that the worm 21 drives the worm wheel 20 to rotate in the fourth rotation groove 18, so that the worm wheel 20 drives the second gear 17 to rotate in the third rotation groove 16, and the second gear 17 drives the gear ring 15 to rotate in the second rotation groove 14, so that the gear ring 15 drives the two first gears 13 to rotate in the two first rotation grooves 12 respectively. When the two first gears 13 rotate, the bottom ends of the two first gears 13 will respectively drive the two second sprockets 10 to rotate in the two movable grooves 8, so that the two second sprockets 10 respectively drive the two first sprockets 9 to rotate through the two chains 11, so that the two first sprockets 9 respectively drive the two first threaded rods 6 rotates in the two first sliding grooves 4, allowing the first extrusion block 5 to be acted upon by the threads of the two first threaded rods 6 and move upward along the two first sliding grooves 4, allowing the first extrusion block 5 to squeeze the spring 7, shortening the pitch on the spring 7, ensuring that the user can adjust the elastic force of the spring 7. After the adjustment is completed, the user manually rotates the second threaded rod 24, allowing the second extrusion block 23 to be acted upon by the threads of the second threaded rod 24 and move upward along the second sliding groove 22. When the second extrusion block 23 moves upward to a position where it cannot move, the second extrusion block 23 will squeeze the worm 21, fixing the worm 21 in the through groove 19 and preventing it from moving, ensuring that the worm 21 will not rotate due to external influences.

[0076] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A hinge device for a refrigerator, comprising a hinge device body (1), characterized in that: Also includes: A fixed block (2), wherein the fixed block (2) is fixedly connected to the inner wall of the hinge device body (1), and the top surface of the fixed block (2) is fixedly connected to two fixed rods (3), and two first sliding grooves (4) are respectively provided in the two fixed rods (3), and a first extrusion block (5) is slidably connected between the two first sliding grooves (4), and the first extrusion block (5) is internally threadedly connected to two first threaded rods (6), and the two first threaded rods (6) are respectively located in the two first sliding grooves (4) and are rotatably connected to the two first sliding grooves (4); A spring (7), wherein the spring (7) is arranged in the hinge device body (1), and the bottom end of the spring (7) is in contact with the top surface of the first extrusion block (5); Two movable grooves (8), the two movable grooves (8) are symmetrically opened in the fixed block (2) and are respectively connected to the two first sliding grooves (4), a first sprocket (9) and a second sprocket (10) are rotatably connected in the movable groove (8), and one end of the first sprocket (9) passes through the inner wall of the movable groove (8) and extends into the first sliding groove (4) to be fixed to the bottom end of the first threaded rod (6), and a chain (11) is engaged between the first sprocket (9) and the second sprocket (10); A drive assembly is located in the fixed block (2) and is used to drive the two second sprockets (10) to rotate.

2. A hinge device for a refrigerator according to claim 1, characterized in that: The drive assembly includes: Two first rotating grooves (12), the two first rotating grooves (12) are symmetrically opened in the fixed block (2) and are respectively connected to the two movable grooves (8), two first gears (13) are respectively rotatably connected in the two first rotating grooves (12), and the bottom ends of the two first gears (13) respectively extend into the two movable grooves (8) and are respectively fixed to the top ends of the two second sprockets (10); a second rotating groove (14), the second rotating groove (14) being provided in the fixed block (2) and communicating with the two first rotating grooves (12); a gear ring (15) being rotatably connected in the second rotating groove (14), and the gear ring (15) being meshed with the two first gears (13); a third rotating groove (16), the third rotating groove (16) being provided in the fixed block (2) and communicating with the second rotating groove (14), wherein a second gear (17) meshing with the gear ring (15) is rotatably connected in the third rotating groove (16); a fourth rotating groove (18), the fourth rotating groove (18) being provided in the fixed block (2) and communicating with the third rotating groove (16); a through groove (19) communicating with the outside being provided on the inner wall of the fourth rotating groove (18); a worm wheel (20) being rotatably connected in the fourth rotating groove (18); a top end of the worm wheel (20) extending into the third rotating groove (16) and being fixed to the second gear (17); a worm (21) being engaged with one side of the worm wheel (20) and rotating in the through groove (19); A fixing assembly is located in the fixing block (2) and is used to fix the worm (21).

3. The hinge device for a refrigerator according to claim 2, characterized in that: The fixing assembly includes: A second slide groove (22) is provided on the inner wall of the through groove (19) and is in communication with the outside. A second extrusion block (23) is slidably connected in the second slide groove (22). A second threaded rod (24) is internally threadedly connected to the second extrusion block (23). The bottom end of the second threaded rod (24) extends to the outside and is rotatably connected to the fixed block (2).

4. The hinge device for a refrigerator according to claim 2, characterized in that: The bottom end of the first gear (13) is rotatably connected to the movable groove (8).

5. The hinge device for a refrigerator according to claim 2, characterized in that: One end of the worm wheel (20) is rotationally connected to the third rotation groove (16).

6. The hinge device for a refrigerator according to claim 1, characterized in that: The top end of the first sprocket (9) is rotatably connected to the first sliding groove (4).

7. The hinge device for a refrigerator according to claim 1, characterized in that: The threads on the two first threaded rods (6) have the same direction of rotation.

Images