CN219197036U - Refrigerator door hinge device and refrigerator - Google Patents

Abstract

The utility model provides a refrigerator door hinge device and a refrigerator. The refrigerator door hinge device comprises a base and a pair of hinge shaft assemblies arranged on the base, wherein the base is provided with a pair of mounting plates which are distributed up and down, the pair of hinge shaft assemblies are distributed up and down and are respectively arranged on the pair of mounting plates, and the hinge shaft assemblies comprise: the fixed rack is fixed on the mounting plate, the rotating shaft extends vertically, an arc-shaped chute is formed in the mounting plate, one end of the rotating shaft is clamped in the arc-shaped chute, and a movable gear meshed with the fixed rack is arranged on the rotating shaft. The base can bear the upper and lower independent hinge shaft assemblies at the same time, is used for simultaneously connecting the upper and lower different refrigerator door bodies, has simple integral structure and small space occupation, does not affect each other during operation, can be maintained and replaced respectively, and can well meet the use requirement of the double-side hinge shaft.

Description

Refrigerator door hinge device and refrigerator

Technical Field

The utility model relates to the field of refrigeration equipment, in particular to a refrigerator door hinge device and a refrigerator.

Background

The existing refrigerator door is opened and closed through a hinge, namely, the refrigerator door is fixed with the refrigerator body through a screw by the hinge, and the refrigerator door body rotates by taking a hinge shaft as a circle center, so that the door body and the refrigerator body are opened and closed. At present, a main refrigerator hinge is divided into a single-side shaft hinge and a double-side shaft hinge, which are respectively used for different application scenes, wherein the shaft part of the single-side shaft hinge is positioned at one side of the hinge, the other side of the single-side shaft hinge is not provided with the shaft part, the single-door refrigerator or the double-door refrigerator is mainly suitable for being used for being opened by a user, the upper side and the lower side of the hinge are respectively provided with the shaft parts, the two door bodies on the upper side and the lower side are respectively connected, the single-side shaft hinge is mainly suitable for being used on multi-door refrigerators such as cross-door refrigerators, and the mounting position of the single-side shaft hinge is generally positioned at the middle position of the refrigerator in the vertical direction and is used for bearing the door bodies on the upper side and the lower side.

The existing double-sided shaft hinge structure is relatively simple, as shown in fig. 7, the function of the double-sided shaft hinge structure is relatively single, and the shaft bodies A on the upper side and the lower side are of an integrated structure, so that the upper door body and the lower door body are required to be opened and closed by means of the same shaft body. In order to avoid the influence of the upper door body and the lower door body, some refrigerators adopt a double-hinge design in the middle position, namely, the upper side door body and the lower side door body are respectively provided with an independent hinge, and the upper side door body and the lower side door body work independently and do not influence each other, but the design greatly increases the cost and occupies more installation space.

In view of this, it is necessary to design a hinge device that can meet the opening and closing requirements of the upper and lower door bodies and that does not occupy too much space.

Disclosure of Invention

The utility model provides a refrigerator door hinge device and a refrigerator, which are used for solving the problems that upper and lower side shafts of a double-side shaft hinge in the prior art are mutually independent and are easy to influence.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a refrigerator door hinge device, includes the base and installs a pair of hinge pin subassembly on the base, the base is equipped with a pair of mounting panel that distributes about being, a pair of hinge pin subassembly is about distributing and install respectively on a pair of mounting panel, and the hinge pin subassembly includes: the fixed rack is fixed on the mounting plate, the rotating shaft extends vertically, an arc-shaped chute is formed in the mounting plate, one end of the rotating shaft is clamped in the arc-shaped chute, and a movable gear meshed with the fixed rack is arranged on the rotating shaft.

Further, the pair of mounting plates are arranged in parallel and extend along the horizontal direction, the mounting plates are provided with an arc-shaped edge, and the arc-shaped sliding grooves penetrate through the mounting plates up and down and are distributed along the arc-shaped edge of the mounting plates.

Further, the mounting plate is provided with a mounting hole, the fixed rack is provided with a mounting convex part protruding into the mounting hole, and the fixed rack is arc-shaped and is mounted on the inner side of the arc-shaped chute.

Further, the hinge shaft assembly comprises a clamping disc, one end of the rotating shaft penetrates through the arc-shaped sliding groove and is connected with the clamping disc in a matched mode, and the clamping disc and the fixed racks are respectively located on the upper side and the lower side of the mounting plate.

Further, the movable gear is distributed on the periphery of the rotating shaft by taking the rotating shaft as the center, and is a sector gear which is provided with a plurality of latches meshed with the fixed rack.

Further, the movable gear and the rotary shaft are of an integrated structure, the fixed rack is provided with a plurality of clamping teeth facing the arc-shaped sliding groove, and the number of the clamping teeth on the fixed rack is the same as that of the movable gear.

Further, the base is provided with a fixing plate, the pair of mounting plates extend horizontally from the upper side edge and the lower side edge of the fixing plate respectively, and the arc-shaped sliding grooves on the two mounting plates are correspondingly arranged up and down.

Further, in the pair of hinge shaft assemblies, the rotation shaft of one hinge shaft assembly protrudes upward beyond the upper side edge of the fixing plate to be clamped with a refrigerator door body, and the rotation shaft of the other hinge shaft assembly protrudes downward beyond the lower side edge of the fixing plate to be clamped with another refrigerator door body.

Further, the rotating shaft is provided with a C-shaped cross section.

Further, the radian of the fixed rack is equal to that of the arc chute.

In order to solve the technical problems, the utility model also provides the following technical scheme: the refrigerator comprises a refrigerator body with a storage compartment, a door body for opening or closing the storage compartment, and the refrigerator door hinge device, wherein at least two door bodies are arranged along the height direction of the refrigerator body, and the refrigerator door hinge device is connected with the refrigerator body and the two door bodies which are adjacently arranged along the height direction.

Compared with the prior art, the structure of the base is optimized, so that the base can bear the upper and lower mutually independent hinge shaft assemblies at the same time and is used for connecting the upper and lower different refrigerator door bodies, the whole structure is simple, the occupied space is small, the two refrigerator door bodies are not affected each other during operation, the two refrigerator door bodies can be maintained and replaced respectively, and the use requirement of the double-side hinge can be well met.

Drawings

Fig. 1 is a schematic view of a refrigerator according to the present utility model.

Fig. 2 is a perspective combined view of a hinge device for a refrigerator door according to the present utility model.

Fig. 3 is a partially exploded view of a hinge device for a refrigerator door according to the present utility model.

Fig. 4 is a schematic diagram showing the cooperation of a fixed rack and a movable gear of the hinge device for a refrigerator door according to the present utility model.

Fig. 5 is a side view of a refrigerator door hinge apparatus according to the present utility model in a partially exploded state.

Fig. 6 is a top view of a hinge device for a refrigerator door according to the present utility model.

Fig. 7 is a schematic structural view of a conventional hinge for double-sided shaft of refrigerator door.

Detailed Description

The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the utility model and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the utility model.

It will be appreciated that terms such as "upper," "lower," "outer," "inner," and the like, as used herein, refer to spatially relative positions and are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Referring to fig. 1 to 6, the present utility model provides a door hinge device 300 for a refrigerator, which includes a base 100 and a pair of hinge shaft assemblies 200 mounted on the base 100 and disposed vertically, wherein the base 100 is made of metal material and is fixedly mounted on a refrigerator body, and the pair of hinge shaft assemblies 200 can rotate and deviate relative to the base 100 and are fixedly mounted on a door body of the refrigerator, preferably, the mounting positions thereof can be schematically shown in fig. 1 and are used for bearing two upper and lower door bodies, thereby fixedly connecting the door body and the refrigerator body. Accordingly, the present utility model also relates to a refrigerator including a cabinet having a storage compartment formed therein, a door for opening or closing the storage compartment, the door being provided with at least two in a height direction of the cabinet, as described above, and a refrigerator door hinge device 300, the refrigerator door hinge device 300 connecting the cabinet and the two door bodies adjacently provided in the height direction. The structure of each component is described in detail below.

As shown in fig. 3, the base 100 is provided with a fixing plate 101 fixed to a case and a pair of mounting plates 102 for mounting the hinge shaft assembly 200, the fixing plate 101 is disposed perpendicular to the mounting plates 102, preferably, the fixing plate 101 is disposed vertically and extends longitudinally, and a fixing hole 103 is formed on a surface of the fixing plate 101 for fixing to the case. The pair of mounting plates 102 are parallel to each other and are uniformly connected to one side of the fixing plate 101, and extend along the horizontal direction, a pair of arc-shaped sliding grooves 104 are formed in the pair of mounting plates 102, the arc-shaped sliding grooves 104 are correspondingly arranged up and down, and the arc-shaped sliding grooves 104 penetrate through the mounting plates 102 from top to bottom, so that the hinge shaft assembly 200 can be clamped and penetrate through the arc-shaped sliding grooves 104. The pair of arc-shaped sliding grooves 104 are distributed along the edges of the pair of mounting plates 102, specifically, the mounting plates 102 are provided with an arc-shaped edge 105, and the arc-shaped sliding grooves 104 are formed inside the arc-shaped edge 105 and are arranged along the arc-shaped edge 105. In addition, the mounting plate 102 is further provided with a mounting hole 106 for fixedly positioning a rack 201 (to be described later) of the hinge shaft assembly 200.

The pair of hinge shaft assemblies 200 are disposed vertically and correspondingly, and are respectively mounted on the pair of mounting plates 102, and the two hinge shaft assemblies have the same structure and are vertically symmetrical. The hinge shaft assembly includes: the fixed rack 201 is fixed on the mounting plate 102, the rotating shaft 202 is clamped in the arc chute 104, and the clamping disc 203 is arranged on the rotating shaft 202, wherein the fixed rack 201 is arranged in an arc shape and is distributed on the inner side of the arc chute 104 and is identical to the arc of the arc chute 104, a plurality of clamping teeth 204 facing the arc chute 104 are distributed on the fixed rack 201, and the bottom surface of the fixed rack 201 is provided with a mounting convex part 205 clamped in the mounting hole 106 for mounting the fixed rack 201 on the mounting plate 102. The rotating shaft 202 extends vertically and is clamped in the arc chute 104, one end of the rotating shaft 202 passes through the arc chute 104 and is connected with the clamping disc 203 in a matching way, the other end of the rotating shaft 202 is connected with the refrigerator door body, the rotating shaft 202 is provided with a cross section (refer to fig. 6) in a C shape, preferably, a moving gear 206 is fixed on the rotating shaft 202, the moving gear 206 is distributed on the periphery of the rotating shaft 202 with the rotating shaft 202 as the center and is used for being meshed with the fixed rack 201, preferably, the moving gear 206 is a sector gear, and a plurality of clamping teeth 204 arranged towards the side of the fixed rack 201 are arranged and are used for being meshed with the fixed rack 201. The movable gear 206 and the fixed rack 201 are both mounted on the same side surface of the mounting plate 102, may be the top surface of the mounting plate 102 or the bottom surface of the mounting plate 102, and the utility model is not limited specifically, while the clamping disc 203 is mounted on the other side surface of the mounting plate 102 and is used for fixedly connecting the rotating shaft 202, so that the rotating shaft 202 is clamped in the arc chute 104, and the movable gear 206, the fixed rack 201 and the clamping disc 203 are respectively located at two sides of the mounting plate 102 and are both fixed on the rotating shaft 202, and the rotation of the rotating shaft 202 drives the rotation of the movable gear 206 to enable the movable gear 206 to move along the fixed gear, and meanwhile, the rotating shaft 202 also slides in the arc chute 104 (refer to arrow direction in fig. 6), thereby realizing the opening and closing operation of the door body.

It can be seen that the pair of hinge shaft assemblies 200 are independently disposed, and are respectively fixed on the two mounting plates 102 which are vertically distributed, and the independent operations of the two hinge shaft assemblies are not affected, so that for convenience of description, they are divided into: the upper and lower hinge shaft assemblies 200A and 200B, respectively, divide the pair of mounting plates 102 into: an upper mounting plate 102A and a lower mounting plate 102B. As shown in fig. 5, the upper hinge shaft assembly 200A is mounted on the upper mounting plate 102A, and the fixed rack 201 and the movable gear 206 of the upper hinge shaft assembly 200A are both located on the upper surface of the upper mounting plate 102A; the lower hinge shaft assembly 200B is mounted on the lower mounting plate 102B, and the fixed rack 201 and the movable gear 206 of the lower hinge shaft are both positioned on the lower surface of the lower mounting plate 102B; and the catch plates 203 of the upper and lower hinge shaft assemblies 200A and 200B are each located between the upper and lower mounting plates 102A and 102B. Preferably, the upper mounting plate 102A is integrally connected to an upper edge of the fixing plate 101, and the lower mounting plate 102B is integrally connected to a lower edge of the fixing plate 101.

In other embodiments of the present utility model, the fixed rack 201 and the movable gear 206 may be replaced by gears, and the door body may be opened or closed by only adjusting the size and the mounting position, which is also realized by engaging the teeth 204 on the gears with each other, so as to achieve the purpose of opening or closing the door body, which is not described herein.

In summary, the structure of the base 100 is optimized, so that the base 100 can simultaneously bear two mutually independent hinge shaft assemblies 200, which are used for connecting two different refrigerator door bodies, and the refrigerator door body has the advantages of simple integral structure, small space occupation, no influence on each other during operation, and capability of respectively maintaining and replacing the refrigerator door body, and can well meet the use requirements of the double-sided hinge.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art. The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (11)

1. A refrigerator door hinge device comprising a base and a pair of hinge shaft assemblies mounted on the base, characterized in that: the base is equipped with a pair of mounting panel that is the upper and lower distribution, a pair of hinge pin subassembly is the upper and lower distribution and install respectively on a pair of mounting panel, and the hinge pin subassembly includes: the fixed rack is fixed on the mounting plate, the rotating shaft extends vertically, an arc-shaped chute is formed in the mounting plate, one end of the rotating shaft is clamped in the arc-shaped chute, and a movable gear meshed with the fixed rack is arranged on the rotating shaft.

2. The refrigerator door hinge assembly of claim 1, wherein: the pair of mounting plates are arranged in parallel and extend along the horizontal direction, the mounting plates are provided with arc edges, and the arc sliding grooves penetrate through the mounting plates up and down and are distributed along the arc edges of the mounting plates.

3. The refrigerator door hinge assembly of claim 1, wherein: the mounting plate is provided with a mounting hole, the fixed rack is provided with a mounting convex part protruding into the mounting hole, and the fixed rack is arc-shaped and is mounted on the inner side of the arc-shaped chute.

4. The refrigerator door hinge assembly of claim 1, wherein: the hinge shaft assembly comprises a clamping disc, one end of the rotating shaft penetrates through the arc-shaped sliding groove and is connected with the clamping disc in a matched mode, and the clamping disc and the fixed racks are respectively located on the upper side and the lower side of the mounting plate.

5. The refrigerator door hinge assembly of claim 1, wherein: the movable gear takes the rotating shaft as the center and is distributed on the periphery of the rotating shaft, and the movable gear is a sector gear which is provided with a plurality of clamping teeth meshed with the fixed rack.

6. The refrigerator door hinge assembly of claim 5, wherein: the movable gear and the rotary shaft are of an integrated structure, the fixed rack is provided with a plurality of clamping teeth facing the arc-shaped sliding groove, and the number of the clamping teeth on the fixed rack is the same as that of the movable gear.

7. The refrigerator door hinge assembly of claim 1, wherein: the base is provided with a fixed plate, the pair of mounting plates extend out from the upper side edge and the lower side edge of the fixed plate horizontally respectively, and the arc-shaped sliding grooves on the two mounting plates are correspondingly arranged up and down.

8. The refrigerator door hinge assembly of claim 7, wherein: in the pair of hinge shaft assemblies, the rotating shaft of one hinge shaft assembly protrudes upwards beyond the upper side edge of the fixed plate to be clamped with a refrigerator door body, and the rotating shaft of the other hinge shaft assembly protrudes downwards beyond the lower side edge of the fixed plate to be clamped with another refrigerator door body.

9. The refrigerator door hinge apparatus as claimed in any one of claims 1 to 8, wherein: the rotating shaft is provided with a C-shaped cross section.

10. The refrigerator door hinge assembly of claim 9, wherein: the radian of the fixed rack is equal to that of the arc chute.

11. A refrigerator, characterized in that: a refrigerator door hinge device according to any one of claims 1 to 10, comprising a case body formed with a storage compartment, a door body for opening or closing the storage compartment, the door bodies being provided with at least two in a height direction of the case body, the refrigerator door hinge device connecting the case body and the two door bodies adjacently provided in the height direction.

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