CN113482472B - Hinge assembly and refrigerator - Google Patents

Abstract

The invention provides a hinge assembly and a refrigerator, wherein the hinge assembly comprises: the hinge plate is provided with a hinge shaft and a first wiring hole penetrating through the hinge shaft, and the first wiring hole is used for a pipeline to pass through; the hinge plate is positioned in the hinge box, a second wire passing hole is formed in the hinge box in a penetrating mode, and a pipeline passes through the second wire passing hole; the pipeline that certainly draw forth in the box can partly warp first walking the line hole and extend to the door body, and another part warp the second is walked the line hole and is extended to the door body, has effectively solved the less unable multichannel pipeline that supplies of little hinge pin shaft diameter and has passed simultaneously, can't realize the problem that multichannel pipeline was arranged jointly in the hinge subassembly, simple and practical, commonality are strong, be convenient for implement and do not have the incremental cost.

Description

Hinge assembly and refrigerator

Technical Field

The invention relates to the field of refrigeration, in particular to a hinge assembly and a refrigerator with the same.

Background

Nowadays, domestic and foreign markets all propose higher and higher demands to aspects such as the simple operation nature and the multifunctionality of refrigerator product, and more refrigerator is through set up touch-control display screen and/or integrated the setting frozen water subassembly on the door body to promote the convenience of refrigerator and realize corresponding function.

To the refrigerator that sets up touch-control display screen and frozen water subassembly on the door body, cable and the water pipe of drawing forth need extend to in the door body in the box to realize the transport of power transmission and water.

The existing refrigerator is generally provided with a large-axis hinge, a wire passing hole with a larger hole diameter is arranged on the hinge axis, and a cable/water pipe and the like in a box body extend into a door body through the wire passing hole.

For the small-axis hinge, the diameter of the axis of the hinge shaft is small, so that the aperture of the wiring hole cannot be made large, and therefore, a cable and a water pipe cannot be penetrated through the small-axis hinge at the same time.

Aiming at the problem that the small shaft hinge can not enable the cable and the water pipe to simultaneously penetrate, a wire passing module for passing wires is additionally arranged between the refrigerator body and the door body, but the cost is increased by additionally arranging the wire passing module, the assembly process flow of the refrigerator is increased, and the assembly requirements on the door body and the like are improved.

In view of the above, it is desirable to provide a hinge assembly and a refrigerator to solve the above problems.

Disclosure of Invention

The invention aims to provide a hinge assembly and a refrigerator, wherein the hinge assembly can realize the simultaneous arrangement of a water pipe and a cable on the basis of not increasing the shaft diameter of a hinge shaft, namely, for a small-shaft hinge assembly, so that the water pipe and the cable can extend to a door body through the hinge assembly.

In order to achieve the purpose, the invention adopts the following technical scheme: a hinge assembly, comprising:

the hinge plate is provided with a hinge shaft and a first wiring hole penetrating through the hinge shaft, and the first wiring hole is used for a pipeline to pass through;

the hinge box, the flap is located in the hinge box, the last second that runs through the setting of hinge box is walked the line hole, the second is walked the line hole and is used for supplying the pipeline to pass through.

As a further improved technical scheme of the invention, the first wiring hole and the second wiring hole are coaxially arranged with the hinge shaft.

As a further improved technical scheme of the invention, one side of the hinge shaft is provided with a through groove along the radial direction of the first wiring hole.

As a further improved technical scheme of the invention, a notch is arranged on the edge of the hinge box close to the second wiring hole, and the notch is communicated with the second wiring hole.

As a further improved technical scheme of the invention, the hinge plate is provided with a first fixing structure, and the first fixing structure is positioned on a wiring path of the pipeline and is used for fixing and limiting the pipeline.

As a further improved technical solution of the present invention, the hinge assembly further includes a fixing plate connected to the hinge plate, the fixing plate is located between the hinge plate and the hinge box, and the first fixing structure is disposed on the fixing plate.

As a further improved technical scheme of the invention, the fixing plate is connected with the hinge plate in a buckling mode.

As a further improved technical solution of the present invention, the fixing plate has a wire outlet corresponding to the first wire passing hole, the first fixing structure includes an L-shaped baffle fixed on the fixing plate, the L-shaped baffle includes a first plate spaced apart from the fixing plate, and a height difference between a plane of the first plate near the wire outlet and a plane of the wire outlet is not less than 11.25mm.

As a further improved technical scheme, the fixing plate is provided with a wire outlet corresponding to the first wire hole, and the wire outlet is provided with an arc-shaped guide surface along the thickness direction of the fixing plate.

As a further improved technical scheme, a second fixing structure is arranged in the hinge box and used for fixing a limiting pipeline.

As a further improved technical scheme of the invention: the second securing structure includes at least one catch.

As a further improved technical solution of the present invention, the hinge plate is provided with a first fixing structure for fixing the limiting pipeline, the hinge box is internally provided with a second fixing structure for fixing the limiting pipeline, and the first fixing structure and the second fixing structure are arranged in a staggered manner along the thickness direction of the hinge assembly.

In order to achieve the above object, the present invention further provides a refrigerator, which includes a refrigerator body, the hinge assembly fixedly connected to the refrigerator body, and a door body rotatably connected to the hinge assembly.

As a further improved technical solution of the present invention, a part of a pipeline led out from the inside of the box body extends to the door body through the first wire hole, and the other part extends to the door body through the second wire hole.

As a further improved technical scheme of the invention, the pipeline led out from the box body comprises a water pipe and a cable, the water pipe extends to the door body through the first wiring hole, and the cable extends to the door body through the second wiring hole.

As a further improved technical scheme of the invention, an accommodating cavity is formed in the door body at a position corresponding to the hinge assembly, the hinge assembly is accommodated in the accommodating cavity, and a pipeline penetrating out of the second wiring hole extends to the door body through the accommodating cavity.

As a further improved technical scheme of the invention, the accommodating cavity is provided with a guide groove for guiding the pipeline.

The invention has the beneficial effects that: according to the hinge assembly, the first wire hole for a pipeline to pass through is formed in the hinge shaft, the second wire hole for the pipeline to pass through is formed in the hinge box, the pipeline led out of the box body can partially extend to the door body through the first wire hole, and the other part of the pipeline extends to the door body through the second wire hole.

Drawings

Fig. 1 is a schematic structural view of a refrigerator in the present invention.

Fig. 2 is a schematic view of the matching structure of the hinge assembly in fig. 1 and a decorative strip in a refrigerator door body.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is an exploded view of the hinge plate and the fixing plate of fig. 3.

Fig. 5 is a schematic view of the structure of the hinge box of fig. 3.

Fig. 6 is a schematic view of another angled configuration of the hinge box of fig. 5.

Fig. 7 is a schematic view of another angle of the shield cover in fig. 3.

Detailed Description

The present invention will be described in detail with reference to the embodiments shown in the drawings, and fig. 1 to 7 show a preferred embodiment of the present invention. It should be noted that these embodiments are not intended to limit the present invention, and those skilled in the art should be able to make functional, methodical, or structural equivalents or substitutions according to these embodiments without departing from the scope of the present invention.

Referring to fig. 1, the present invention provides a hinge assembly 10 and a refrigerator 20 having the same 10.

The refrigerator 20 comprises a refrigerator body 201, the hinge assembly 10 fixed on the refrigerator body 201, a door body 202 rotatably connected to the hinge assembly 10, a water taking module arranged on the door body 202, and a pipeline 203 led out from the refrigerator body 201, wherein the pipeline 203 extends to the door body 202 through the hinge assembly 10 so as to transmit power and convey water to the water taking module.

The door 202 is rotatably connected to the cabinet 201 through the hinge assembly 10, so that the door 202 can open or close the cabinet 201 by rotating.

Specifically, as shown in fig. 2-3, the hinge assembly 10 includes a hinge plate 1 fixed to a box 201, and a hinge box 2 matched with the hinge plate 1, the hinge plate 1 is connected to the hinge box 2, the hinge box 2 is fixed to the box 201, and the hinge box 2 shields the hinge plate 1 and various components on the hinge plate 1, such as a pipeline 203 routed through the hinge assembly 10, from affecting the appearance of the hinge assembly 10.

Further, as shown in fig. 3 to 5, the hinge plate 1 has a hinge shaft 11, a first wire hole 111 penetrating through the hinge shaft 11, and the hinge box 2 has a second wire hole 21 penetrating therethrough, and the first wire hole 111 and the second wire hole 21 are used for a pipeline 203 to pass through. Therefore, the pipeline 203 led out from the box body 201 can partially extend to the door body 202 through the first wire hole 111, and the other part extends to the door body 202 through the second wire hole 21, so that the problems that the small shaft diameter of the small hinge shaft 11 cannot be simultaneously passed by multiple pipelines 203, and the multiple pipelines 203 cannot be arranged in the hinge assembly 10 together are effectively solved, and the hinge assembly is simple, practical, high in universality and convenient to implement without increasing the cost.

In a specific embodiment, the pipeline 203 led out from the inside of the box 201 includes a water pipe 2031 and a cable 2032, the water pipe 2031 extends to the door body 202 through the first wire hole 111, and the cable 2032 extends to the door body 202 through the second wire hole 21, so that bending of the water pipe 2031 can be reduced, a water path blockage caused by bending of the water pipe 2031 can be prevented, and stability is good.

Of course, the present invention is not limited thereto, and in other embodiments, the cable 2032 may extend to the door 202 through the first wire hole 111, and the water pipe 2031 may extend to the door 202 through the second wire hole 21. Alternatively, the pipeline 203 led out from the box 201 includes two sets of cables, and the two sets of cables extend from the first wire hole 111 and the second wire hole 21 to the door 202 respectively. Alternatively, the pipeline 203 led out from the box 201 includes two sets of water pipes, and the two sets of water pipes extend from the first wire hole 111 and the second wire hole 21 to the door body 202 respectively.

It is understood that the type of the pipeline 203 may be designed according to the specific functional module mounted on the door body 202.

Further, the hinge plate 1 further includes a hinge plate body 12, and the hinge shaft 11 is fitted to the hinge plate body 12.

In a specific embodiment, the hinge shaft 11 is fixedly connected to the hinge plate body 12, and correspondingly, a shaft sleeve matched with the hinge shaft 11 is arranged on the door body 202, so that the door body 202 is rotatably connected to the hinge plate 1. Of course, this is not a limitation.

It can be understood that, in the embodiment where the hinge shaft 11 is fixedly connected to the hinge plate body 12, the hinge shaft 11 may be integrally formed with the hinge plate body 12, and at this time, a portion of the hinge plate body 12 corresponding to the hinge shaft 11 may be regarded as a portion of the hinge shaft 11, that is, the first wire hole 111 also penetrates through the hinge plate body 12, so that the pipeline 203 can be routed through the first wire hole 111; or the hinge shaft 11 and the hinge plate body 12 can be separately arranged, at this time, a fixing hole is arranged on the hinge plate body 12, and the hinge shaft 11 is fixed in the fixing hole.

Further, in a specific embodiment, the first wire hole 111 and the second wire hole 21 are coaxially disposed with the hinge shaft 11, so that stretching, moving, friction and the like of the pipeline 203 during opening and closing of the door body 202 can be reduced, thereby preventing the pipeline 203 from being damaged, increasing the service life of the pipeline 203, and enhancing the user experience. Of course, the present invention is not limited thereto, and in other embodiments, the second wire hole 21 may be offset from the hinge shaft 11 or the first wire hole 111, and in this case, it is necessary to design a wire margin for the wire 203 so as to prevent the wire 203 from being overstretched or bent during the opening and closing of the door 202.

Further, the hinge box 2 includes a first wall 22 and a peripheral wall 23 extending from the periphery of the first wall 22 in the same direction, and the first wall 22 and the peripheral wall 23 jointly enclose to form an accommodating space.

The hinge plate 1 and the hinge box 2 can be fixedly connected through a buckle structure, so that the hinge plate 1 is accommodated in the accommodating space.

Specifically, the second wire hole 21 is disposed on the first wall 22, so that the second wire hole 21 and the first wire hole 111 are coaxially disposed, and stretching, moving, friction and the like of the pipeline 203 during opening and closing of the door body 202 are reduced. Meanwhile, the penetrating direction of the pipeline 203 penetrating out of the first wire hole 111 is opposite to the penetrating direction of the pipeline 203 penetrating out of the second wire hole 21, so that the interference of each pipeline 203 in the thickness direction of the hinge assembly 10 can be reduced, and the arrangement of multiple pipelines 203 in a lower accommodating space is realized.

In the embodiment that the hinge assembly 10 is installed on the upper side of the door body 202, a part of the pipeline 203 passes through the first wire hole 111 downwards, and the other part of the pipeline 203 passes through the second wire hole 21 upwards.

Further, one side of the hinge shaft 11 has a penetration groove 112 along a radial direction of the first wire hole 111. On the one hand, the assembly between the line 203 and the hinge shaft 11 is facilitated; on the other hand, the provision of the through groove 112 can expand the range of the pipe diameter of the pipe 203 in the first wire hole 111, and further increase the versatility of the hinge assembly 10.

It is understood that the through groove 112 simultaneously penetrates through the hinge plate body 12, so that the first wire hole 111 communicates with the inside and the outside in a radial direction of the first wire hole 111.

Further, a notch 24 is formed in the edge of the hinge box 2 close to the second wire hole 21, the notch 24 is communicated with the second wire hole 21, and the notch 24 makes the second wire hole 21 a non-closed hole. The range of the pipe diameter of the pipe 203 in the second wiring hole 21 can be enlarged, and the versatility of the hinge assembly 10 can be further increased.

Specifically, in the embodiment where the hinge box 2 includes the first wall 22 and the peripheral wall 23 extending in the same direction from the periphery of the first wall 22, the notch 24 is formed on both the first wall 22 and the peripheral wall 23.

Further, the pipeline 203 routed through the first routing hole 111 is fixed on the hinge plate 1, and the pipeline 203 routed through the second routing hole 21 is fixed on the hinge box 2, so that arrangement of a plurality of pipelines 203 is facilitated, disorder of the pipelines 203 can be prevented, and arrangement of field workers is facilitated.

Further, a first fixing structure is arranged on the hinge plate 1, and the first fixing structure is located on a wiring path of the pipeline 203 and used for fixing and limiting the pipeline 203. That is, the first fixing structure is used to guide the pipeline 203 that needs to pass through the first routing hole 111 into the first routing hole 111 along a predetermined routing path, so as to realize the arrangement of the pipeline 203.

In this embodiment, please refer to fig. 4, the hinge assembly 10 further includes a fixing plate 3 connected to the hinge plate 1, the fixing plate 3 is located between the hinge plate 1 and the hinge box 2, and the first fixing structure is disposed on the fixing plate 3, so that a quality risk caused by a performance change of the hinge plate 1 due to the first fixing structure disposed on the hinge plate 1 can be reduced, and a molding process of the hinge plate 1 can be simplified. Of course, the present invention is not limited to this, and in other embodiments, the first fixing structure may be directly formed on the hinge plate 1.

Furthermore, the fixed plate 3 is connected with the hinge plate 1 in a buckling mode, the screw-free connection is achieved, the risk that the performance of the hinge plate 1 is changed due to perforation of the hinge plate 1 can be avoided, the risk that a pipeline is punctured during screw installation can also be avoided, and meanwhile, the screw-free hinge plate is simple, convenient to operate, low in cost, practical and reliable.

Specifically, the edge of the fixing plate 3 is provided with at least two first buckles 31 extending in the same direction, and at least two first buckles 31 are respectively arranged on two opposite sides of the fixing plate 3, so as to fixedly connect the fixing plate 3 to the hinge plate 1, thereby enhancing the connection stability of the fixing plate 3.

The fixed plate 3 includes a wire inlet end and a wire outlet end adjacent to the first wire hole 111. In a specific embodiment, at least two of the first fasteners 31 are respectively disposed on the end surface of the fixing plate 3 except for the wire inlet end and the wire outlet end, so as to facilitate the fastening connection between the fixing plate 3 and the hinge plate 1. Of course, this is not a limitation.

Furthermore, the wire outlet end has a wire outlet 32 corresponding to the first wire hole 111, and the pipeline 203 limited and fixed by the first fixing structure is led out from the wire outlet 32 and enters the first wire hole 111.

In one embodiment, the outlet 32 is an arc-shaped notch matched with the first wire hole 111. Of course, this is not a limitation.

Furthermore, an arc-shaped flange 33 protruding towards the first wire hole 111 is arranged at the outlet 32, after the fixing plate 3 is connected to the hinge plate 1 in a buckled manner, the arc-shaped flange 33 is clamped in the first wire hole 111, that is, the arc-shaped flange 33 is attached to the inner wall surface corresponding to the first wire hole 111, so that the fixing plate 3 can be further positioned and limited, the fixing plate 3 is prevented from shifting, and the fixing stability between the fixing plate 3 and the hinge plate 1 is enhanced.

Further, the hinge plate 1 has a step part 13 at a position corresponding to a line inlet end of the fixed plate 3, and the step part 13 extends in a direction away from the fixed plate 3; the wire inlet end is provided with a propping plate 34, after the fixing plate 3 is connected to the hinge plate 1 in a buckling manner, the propping plate 34 is used for propping against the step part 13, so that the fixing plate 3 can be positioned, the fixing plate 3 is prevented from shifting, and the stability of fixing between the fixing plate 3 and the hinge plate 1 is enhanced.

It can be understood that the arc-shaped flanging 33, the abutting plate 34, and the at least two first buckles 31 are respectively disposed on different sides of the fixing plate 3, so as to perform better limiting and fixing functions on the fixing plate 3.

Further, along the thickness direction of the fixing plate 3, the outlet 32 has an arc-shaped guiding surface 321, so that on one hand, friction of the pipeline 203 in the process of opening and closing the door body 202 can be reduced, and abrasion is reduced; on the other hand, the pipeline 203 smoothly transits from the fixing plate 3 to the first wire hole 111, and the pipeline 203 can be prevented from being bent, for example, the water pipe 2031 can be prevented from being blocked due to bending.

In one embodiment, the arcuate guide surface has an arcuate radius of 2mm. The strength requirements of the outlet 32 and the guidance requirements of the pipeline 203 can be taken into account.

Further, the first fixing structure includes an L-shaped baffle 4 fixed on the fixing plate 3, the L-shaped baffle 4 includes a connecting plate 41 connected to the fixing plate 3 and extending in a direction away from the hinge plate 1, and a first plate 42 connected to one end of the connecting plate 41 away from the fixing plate 3, the first plate 42 and the fixing plate 3 are located on the same side of the connecting plate 41, the first plate 42 and the fixing plate 3 are arranged at intervals, the L-shaped baffle 4 and the fixing plate 3 enclose a limiting space for limiting the pipeline 203, the connecting plate 41 can limit a distance that the pipeline 203 protrudes outwards in a direction of a plane where the fixing plate 3 is located, and the first plate 42 can limit a distance that the pipeline 203 protrudes in a direction away from the hinge plate 1.

In one embodiment, the connecting plate 41 is connected to the edge of the fixing plate 3 and has two ends respectively extending to the inlet end and the outlet end, i.e. the connecting plate 41 covers the wiring path of the pipeline 203, and the pipeline 203 can extend to the outlet 32 along the inner side of the connecting plate 41. Of course, the connection plate 41 may be disposed in a segmented manner in other embodiments, that is, a plurality of connection plates 41 are disposed at intervals on the wiring path of the pipeline 203 to limit the wiring path of the pipeline 203.

Further, the height difference between the plane where the first plate 42 is located and the plane where the outlet 32 is located, which is close to the outlet 32, is not less than 11.25mm, so that the natural bending height of the pipeline 203 is increased, the bending radian of the pipeline 203 is increased, and the pipeline 203 can be prevented from being bent when entering the first wiring hole 111, for example, when the pipeline 203 is the water pipe 2031, the water pipe 2031 can be prevented from being blocked due to bending, or when the pipeline 203 is the cable 2032, the cable 2032 can be prevented from being broken due to bending.

Further, the first fixing structure further includes a second buckle 5 disposed at the inlet end of the fixing plate 3, and the second buckle 5 is used to fix the pipeline 203.

Further, the first fixing structure further includes a guiding member 6 disposed on the fixing plate 3, the guiding member 6 is disposed at a position corresponding to the corner on the wiring path, and the pipeline 203 bypasses the guiding member 6 to change the direction and extends toward the outlet 32, so as to play a certain guiding role.

In one embodiment, the guiding member 6 is an arc-shaped plate, which can increase the curvature of the pipeline 203 when the pipeline 203 turns, and avoid the pipeline 203 from bending when the pipeline 203 turns, and can prevent the water path from being blocked due to the bending of the water pipe 2031 if the pipeline 203 is the water pipe 2031.

Further, referring to fig. 6, a second fixing structure 25 is disposed in the hinge box 2, and the second fixing structure 25 is used for fixing and limiting the pipeline 203 led out through the second wire hole 21.

In one embodiment, the second fixing structure 25 includes at least one buckle, and the at least one buckle is disposed at intervals along the wiring path of the pipeline 203, and has a simple structure and a stable fixing. Of course, this is not a limitation.

Further, the first fixing structure and the second fixing structure 25 are disposed in a staggered manner along the thickness direction of the hinge assembly 10, so that the wiring path of the pipeline 203 fixed to the hinge plate 1 and the wiring path of the pipeline 203 fixed to the hinge box 2 are disposed in a staggered manner, and the arrangement of the plurality of pipelines 203 in a low accommodation space can be realized.

Further, as shown in fig. 3, a containing cavity is formed in the door body 202 at a position corresponding to the hinge assembly 10, the hinge assembly 10 is contained in the containing cavity, and a pipeline 203 extending out from the second wire hole 21 extends to the door body 202 through the containing cavity, so that the overall appearance effect of the refrigerator 20 is enhanced.

Specifically, the door body 202 includes a trim 2021 having a groove 2022, and a shielding cover 2023 fixed to the trim 2021 and used for shielding the groove 2022, wherein the shielding cover 2023 and the groove 2022 together form the accommodating cavity. The door body 202 is fixed at a position corresponding to the groove 2022 on the trim 2021 by a shaft sleeve matched with the hinge shaft 11.

Furthermore, the accommodating cavity is provided with a guide groove for guiding the pipeline 203, the pipeline 203 in the accommodating cavity is limited in the guide groove, and the disorder of the pipeline 203 can be prevented; meanwhile, in the process of opening and closing the door body 202, the pipeline 203 in the accommodating cavity moves along the guide groove, so that excessive stretching and bending of the pipeline 203 can be reduced.

Specifically, as shown in fig. 3 and 7, a first blocking piece 2024 protruding toward the shielding cover 2023 is disposed at a position of the decoration strip 2021 corresponding to the groove 2022, a second blocking piece 2025 protruding toward the groove 2022 is disposed on the shielding cover 2023, and after the shielding cover 2023 is fixed on the decoration strip 2021, the first blocking piece 2024, the second blocking piece 2025 and the decoration strip 2021 together form the guiding groove.

After the door body 202 is assembled on the hinge assembly 10, the pipeline 203 led out from the second wire hole 21 is limited in the channel formed by the first blocking piece 2024 and the wall surface of the decoration strip 2021, and then the shielding cover 2023 is fixed on the decoration strip 2021, and the guide groove is formed, so that the pipeline 203 can be prevented from falling off.

In summary, in the hinge assembly 10 of the present invention, the first wire hole 111 through which the pipeline 203 passes is disposed on the hinge shaft 11, the second wire hole 21 through which the pipeline 203 passes is disposed on the hinge box 2, a part of the pipeline 203 led out from the box body 201 can extend to the door body 202 through the first wire hole 111, and another part of the pipeline 203 extends to the door body 202 through the second wire hole 21, so as to effectively solve the problem that the small hinge shaft 11 has a small axial diameter and cannot pass through multiple pipelines 203 at the same time, and the multiple pipelines 203 cannot be arranged in the hinge assembly 10 together.

It should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be appreciated by those skilled in the art that the specification as a whole may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

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

Claims (17)

1. A hinge assembly, characterized by: the method comprises the following steps:

the hinge plate is provided with a hinge shaft and a first wiring hole penetrating through the hinge shaft, and the first wiring hole is used for a pipeline to pass through;

the hinge box corresponds to the hinge plate, the hinge plate is located in the hinge box corresponding to the hinge plate, a second wire passing hole penetrating through the hinge box is formed in the hinge box and used for a pipeline to pass through, one part of the pipeline led out from the box body and extending into the hinge assembly extends to the door body through the first wire passing hole of the hinge plate, and the other part of the pipeline extends to the door body through the second wire passing hole in the hinge box corresponding to the hinge plate.

2. The hinge assembly of claim 1, wherein: the first wire-passing hole and the second wire-passing hole are coaxially arranged with the hinge shaft.

3. The hinge assembly of claim 1, wherein: and one side of the hinge shaft is provided with a through groove along the radial direction of the first wiring hole.

4. The hinge assembly of claim 1, wherein: and a notch is arranged at the edge of the hinge box close to the second wiring hole, and the notch is communicated with the second wiring hole.

5. The hinge assembly of claim 1, wherein: the hinge plate is provided with a first fixing structure, and the first fixing structure is located on a wiring path of the pipeline and used for fixing and limiting the pipeline.

6. The hinge assembly of claim 5, wherein: the hinge assembly further comprises a fixing plate connected to the hinge plate, the fixing plate is located between the hinge plate and the hinge box, and the first fixing structure is arranged on the fixing plate.

7. The hinge assembly of claim 6, wherein: the fixed plate is connected with the hinge plate in a buckling mode.

8. The hinge assembly of claim 6, wherein: the fixing plate is provided with a wire outlet corresponding to the first wire routing hole, the first fixing structure comprises an L-shaped baffle fixed on the fixing plate, the L-shaped baffle comprises a first plate arranged at an interval with the fixing plate, and the height difference between the plane where the first plate close to the wire outlet is located and the plane where the wire outlet is located is not less than 11.25mm.

9. The hinge assembly of claim 6, wherein: the fixing plate is provided with a wire outlet corresponding to the first wire routing hole, and the wire outlet is provided with an arc-shaped guide surface along the thickness direction of the fixing plate.

10. The hinge assembly of claim 1, wherein: and a second fixing structure is arranged in the hinge box and used for fixing a limiting pipeline.

11. The hinge assembly of claim 10, wherein: the second securing structure includes at least one catch.

12. The hinge assembly of claim 1, wherein: the hinge assembly is characterized in that a first fixing structure used for fixing a limiting pipeline is arranged on the hinge plate, a second fixing structure used for fixing the limiting pipeline is arranged in the hinge box, and the first fixing structure and the second fixing structure are arranged in a staggered mode along the thickness direction of the hinge assembly.

13. A refrigerator comprises a refrigerator body, a hinge assembly fixedly connected to the refrigerator body and a door body rotatably connected to the hinge assembly, and is characterized in that: the hinge assembly is as claimed in any one of claims 1 to 12.

14. The refrigerator of claim 13, wherein: and one part of a pipeline led out from the inside of the box body extends to the door body through the first wire distributing hole, and the other part of the pipeline extends to the door body through the second wire distributing hole.

15. The refrigerator of claim 13, wherein: the pipeline led out from the interior of the box body comprises a water pipe and a cable, the water pipe extends to the door body through the first wiring hole, and the cable extends to the door body through the second wiring hole.

16. The refrigerator of claim 13, wherein: the door body is provided with an accommodating cavity at a position corresponding to the hinge assembly, the hinge assembly is accommodated in the accommodating cavity, and a pipeline penetrating out of the second wiring hole extends to the door body through the accommodating cavity.

17. The refrigerator of claim 16, wherein: the containing cavity is provided with a guide groove for guiding the pipeline.

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