Hinge assembly and refrigerator

Abstract

The utility model particularly relates to a hinge assembly and a refrigerator. The hinge assembly comprises a hinge shaft, a shaft sleeve and a supporting sleeve, and the hinge shaft comprises a through hole formed in the axial direction of the hinge shaft in a penetrating mode and an installation notch penetrating through one side wall of the hinge shaft and communicating with the through hole; the shaft sleeve is arranged on the periphery of the hinge shaft in a sleeving mode and rotates relative to the hinge shaft. The supporting sleeve is at least partially arranged in the through hole, and the supporting sleeve is provided with a penetrating hole penetrating in the axial direction of the supporting sleeve; and the supporting sleeve is provided with a mounting part which is mounted with the mounting notch in a limiting manner. According to the hinge assembly and the refrigerator, the shaft sleeve rotates relative to the hinge shaft so that the hinge assembly can be connected between components which are rotationally connected with each other, the supporting sleeve is configured to pre-install a wire harness through the through hole, and the supporting sleeve is installed in the through hole through the installation notch. The supporting sleeve comprises a mounting part used for supporting and limiting the size of the mounting notch. The device has the advantages of stable and reliable structure, smooth rotation, noise reduction and good user experience.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration, in particular to a hinge assembly and a refrigerator. Background Art

[0002] At present, the door of a refrigerator is fixed on the cabinet, and the hinge fixed on the cabinet cooperates with the sleeve on the door to realize the rotation of the door. Since the door has functions such as display that require electricity, a wiring harness will pass through the hinge to connect the door and the cabinet. The hinge needs to pass through the wiring harness, and the hinge shaft needs to be made hollow. Because the connection terminal of the wiring harness is large and cannot pass through the hinge shaft hole, the hollow shaft of the hinge is made into a C-shaped opening. The C-shaped opening of the hinge is easy to deform inward, and the size is smaller than the theoretical value. It cannot be closely matched with the circular sleeve, resulting in a large gap between the hinge and the sleeve. The door body will rotate and shake during the rotation process, generating noise. Therefore, it is necessary to study a hinge assembly and a refrigerator to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a hinge assembly with stable and reliable structure, smooth rotation and noise reduction.

[0004] In order to achieve the above objectives, an embodiment of the present invention provides a hinge assembly, comprising:

[0005] A hinge shaft, the hinge shaft comprising a through hole extending through the hinge shaft along its axial direction, and a mounting notch extending through a side wall of the hinge shaft and communicating with the through hole;

[0006] A shaft sleeve, which is sleeved on the outer circumference of the hinge shaft and rotates relative to the hinge shaft; and

[0007] A support sleeve, wherein the support sleeve is at least partially disposed in the through hole, and the support sleeve has a through hole disposed through the support sleeve along its axial direction;

[0008] Wherein, the support sleeve has a mounting portion which is mounted in a limiting manner with the mounting notch.

[0009] As a further improvement of an embodiment of the utility model, the support sleeve comprises a support sleeve body and an annular boss portion extending outward from one end of the support sleeve body, the support sleeve body is arranged in the through hole, and the support sleeve body and the annular boss portion jointly form the through hole;

[0010] Wherein, one end of the hinge shaft extends outward to form an abutment portion which abuts against the annular boss portion in a limiting manner.

[0011] As a further improvement of an embodiment of the utility model, the mounting portion is configured as an insertion structure formed by the annular boss portion extending toward the other end of the support sleeve body and inserted into the mounting notch.

[0012] As a further improvement of an embodiment of the utility model, the insertion structure includes an insertion body adapted to the installation notch, and a guide end portion formed by extending the insertion body;

[0013] The guide end portion has a tendency to gradually shrink in a direction from approaching the insertion body to moving away from the insertion body.

[0014] In order to solve the above problems, the present invention also provides a refrigerator.

[0015] A refrigerator, comprising a box body, a door body, and the hinge assembly as described above;

[0016] The box body and the door body are pivotally connected via the hinge assembly.

[0017] As a further improvement of an embodiment of the utility model, it also includes a hinge plate connecting the hinge shaft and the box body;

[0018] The shaft sleeve forms a shaft sleeve hole for accommodating a portion of the hinge shaft; the other portion of the hinge shaft extending out of the shaft sleeve hole is connected to the hinge plate.

[0019] As a further improvement of an embodiment of the utility model, another part of the hinge shaft is fixedly connected to the hinge plate by riveting or welding.

[0020] As a further improvement of an embodiment of the utility model, the door body includes a fixing hole for the shaft sleeve to pass through, and a fixing portion fixed to the shaft sleeve in a limited position;

[0021] The shaft sleeve includes a limiting matching portion which is limitedly matched with the fixing portion.

[0022] As a further improvement of an embodiment of the utility model, it also includes a wiring harness;

[0023] The wiring harness comprises a wiring harness body through which the through hole is provided, and a wiring harness terminal provided at one end of the wiring harness body;

[0024] Wherein, the wiring harness terminal is arranged outside the through hole.

[0025] As a further improvement of an embodiment of the utility model, the wiring harness body and the supporting sleeve are pre-formed as a whole.

[0026] Compared with the prior art, the beneficial effect of the utility model is that the hinge assembly and refrigerator provided by the utility model rotate relative to the hinge shaft through the shaft sleeve, so that the hinge assembly is connected between the box body and the door body that are rotatably connected to each other, the support sleeve is at least partially arranged in the through hole, the support sleeve is configured to pre-install the wiring harness through the through hole, the support sleeve is installed in the through hole through the installation notch, and the support sleeve includes a mounting portion for supporting and limiting the size of the installation notch. The shaft sleeve rotates relative to the hinge shaft, and the support sleeve and the hinge shaft form a whole after installation without relative movement. Because of the support of the support sleeve, the gap between the hinge shaft and the shaft sleeve can be controlled, thereby improving the shaking and noise problems of the door body that cooperates with the hinge assembly during the rotation process, and has the advantages of stable and reliable structure, smooth rotation, noise reduction, and good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the structure of the hinge assembly of the utility model;

[0028] Figure 2 It is a schematic diagram of the exploded structure of the hinge assembly of the utility model;

[0029] Figure 3 This is a schematic diagram of the installation structure of the hinge assembly of the utility model;

[0030] Figure 4 It is a schematic diagram of the installation structure of the shaft sleeve and the door body of the hinge assembly of the utility model.

[0031] In the figure: 1. hinge shaft; 11. through hole; 12. installation notch; 13. abutment portion; 2. bushing; 21. bushing hole; 22. limit fitting portion; 3. support sleeve; 31. support sleeve body; 32. annular boss portion; 33. insertion structure; 331. insertion body; 332. guide end portion; 34. through hole; 4. door trim; 41. fixing hole; 42. fixing portion; 5. hinge plate; 51. annular hook; 6. wiring harness; 61. wiring harness body; 62. wiring harness terminal. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0033] Combination Figures 1 to 4 As shown, the utility model mainly relates to: a hinge assembly, which includes a hinge shaft 1, a shaft sleeve 2 rotating relative to the hinge shaft 1, and a support sleeve 3. The hinge assembly is suitable for connecting two parts that are rotatably connected to each other. In this embodiment, the hinge assembly is connected between a connecting box body and a door body for example.

[0034] Combination Figure 1 , Figure 2 As shown, the hinge shaft 1 includes a through hole 11 extending through the axial direction thereof, and a mounting notch 12 extending through a side wall of the hinge shaft 1 and communicating with the through hole 11. During installation, the mounting notch 12 is opened by an external force to mount the component in the through hole 11. Preferably, the end section of the through hole 11 is a C-shaped opening structure.

[0035] The sleeve 2 is sleeved on the outer circumference of the hinge shaft 1, and the sleeve 2 forms a sleeve hole 21 for accommodating a portion of the hinge shaft 1. The outer diameter of the hinge shaft 1 is matched with the inner diameter of the sleeve hole 21. After the hinge assembly is installed between the box body and the door body, as the sleeve 2 rotates relative to the hinge shaft 1, the door body rotates relative to the box body to open or close.

[0036] The support sleeve 3 is at least partially disposed in the through hole 11, and the support sleeve 3 has a through hole 34 that is disposed along the axial direction thereof. Preferably, the support sleeve 3 is disposed coaxially with the hinge shaft 1. In this embodiment, the support sleeve 3 is configured to pre-install the wiring harness 6 through the through hole 34, and the support sleeve 3 is installed in the through hole 11 through the installation notch 12.

[0037] The support sleeve 3 has a mounting portion that is limitedly mounted with the mounting notch 12. When the mounting notch 12 is opened by applying external pressure so that the support sleeve 3 is mounted in the through hole 11, the external force is removed, the mounting notch 12 is restored, and at the same time, the mounting portion is limitedly mounted with the mounting notch 12. The mounting portion is used to support and limit the size of the mounting notch 12.

[0038] The shaft sleeve 2 rotates relative to the hinge shaft 1, and the support sleeve 3 and the hinge shaft 1 form a whole after installation without relative movement. Because of the support of the support sleeve 3, the gap between the hinge shaft 1 and the shaft sleeve 2 can be controlled, thereby improving the shaking and noise problems of the door body that cooperates with the hinge assembly during the rotation process, and has the advantages of stable and reliable structure, noise reduction, and good user experience.

[0039] Further, the support sleeve 3 comprises a support sleeve body 31 and an annular boss portion 32 extending outward from one end of the support sleeve body 31. The outer diameter of the annular boss portion 32 is greater than the outer diameter of the support sleeve body 31. Preferably, the annular boss portion 32 and the support sleeve body 31 are coaxially arranged.

[0040] The support sleeve body 31 is disposed in the through hole 11, and the annular boss portion 32 is disposed outside the through hole 11. The support sleeve body 31 and the annular boss portion 32 together form a through hole 34.

[0041] One end of the hinge shaft 1 extends outward to form an abutment portion 13 that is limitedly abutted against the annular boss portion 32. Preferably, the abutment portion 13 is an arc-shaped structure. When the mounting notch 12 is opened by applying external pressure so that the support sleeve body 31 is installed in the through hole 11, the through hole 11 surrounds the support sleeve body 31, and the annular boss portion 32 is limitedly abutted against the abutment portion 13.

[0042] Preferably, the annular boss portion 32 is limitedly abutted against the top of the abutting portion 13 , so that the installation between the support sleeve 3 and the hinge shaft 1 is more stable.

[0043] The inserting structure 33 is protruded from the outer wall of the supporting sleeve body 31 .

[0044] Furthermore, the mounting portion is configured as an insertion structure 33 that is inserted into the mounting notch 12 and is formed by the annular boss portion 32 extending toward the other end of the support sleeve body 31. In this embodiment, the insertion structure 33 is formed by extending downward from the annular boss portion 32. When the mounting notch 12 is opened by applying external pressure so that the support sleeve body 31 is installed in the through hole 11, the insertion structure 33 is inserted into the mounting notch 12 from below, and the insertion structure 33 cooperates with the mounting notch 12 to support and limit the size of the mounting notch 12. It has the advantage of being easy to install.

[0045] Furthermore, the insertion structure 33 includes an insertion body 331 adapted to the installation notch 12 and a guide end portion 332 extending from the insertion body 331 .

[0046] The guide end portion 332 gradually shrinks in the direction from close to the insertion body 331 to far away from the insertion body 331. The direction from close to the insertion body 331 to far away from the insertion body 331 is the top-down direction. The insertion structure 33 is conveniently inserted into the installation notch 12 of the hinge shaft 1 by providing the guide end portion 332 with a guiding function, thereby further improving the convenience of installation.

[0047] Combination Figure 3 , Figure 4 As shown, in order to solve the above problems, the present invention also provides a refrigerator.

[0048] A refrigerator comprises a box body, a door body, and a hinge assembly as described above, wherein the box body and the door body are pivotally connected via the hinge assembly. One of the hinge shaft 1 and the shaft sleeve 2 is connected to the box body, and the other is connected to the door body, so as to realize the purpose of opening and closing the door by rotation.

[0049] Furthermore, in one installation and use state of the hinge assembly, the hinge shaft 1 fixed on the refrigerator body cooperates with the shaft sleeve 2 on the door body to realize the rotation of opening and closing the door.

[0050] Combination Figure 3As shown, further, the refrigerator also includes a hinge plate 5 connecting the hinge shaft 1 and the box body.

[0051] Combination Figure 2 As shown, the sleeve 2 forms a sleeve hole 21 for accommodating a portion of the hinge shaft 1. A portion of the hinge shaft 1 is disposed in the sleeve hole 21, and another portion of the hinge shaft 1 is connected to the hinge plate 5, thereby achieving the purpose of the hinge shaft 1 being rotatably connected to the sleeve 2 and the hinge shaft 1 being connected to the box body.

[0052] The other part of the hinge shaft 1 extending out of the shaft sleeve hole 21 is connected to the hinge plate 5 .

[0053] Furthermore, another part of the hinge shaft 1 is fixedly connected to the hinge plate 5 by riveting or welding.

[0054] Furthermore, the hinge plate 5 comprises an annular hook 51 having a notch, and the annular hook 51 is clamped on the outer wall of the hinge shaft 1 through the notch. Preferably, the annular hook 51 is arranged at the bottom of the abutment portion 13, so that the structure is more compact.

[0055] Combination Figure 4 As shown, further, the door body includes a fixing hole 41 for the sleeve 2 to pass through, and a fixing portion 42 that is fixed with the sleeve 2. The sleeve 2 includes a limiting matching portion 22 that is limitedly matched with the fixing portion 42 to achieve the purpose of fixing the door body and the sleeve 2. Preferably, the fixing portion 42 includes a limiting boss that limits the sleeve 2 and a hook that protrudes into the sleeve 2. The fixed connection between the door body and the sleeve 2 can also include other fixing structures, which are not described in detail here.

[0056] Preferably, the door body includes a door body trim strip 4. The fixing holes 41 and the fixing portions 42 are respectively arranged on the door body trim strip 4.

[0057] The box body is fixed to the hinge shaft 1, and the shaft sleeve 2 is fixed to the door body, so as to achieve the purpose of the door rotating relative to the box body.

[0058] Furthermore, the refrigerator further comprises a wiring harness 6. The wiring harness 6 comprises a wiring harness body 61 having a through hole 34 therethrough and a wiring harness terminal 62 disposed at one end of the wiring harness body 61. The inner diameter of the through hole 34 is adapted to the outer diameter of the wiring harness body 61.

[0059] The wiring harness terminal 62 is disposed outside the through hole 34 .

[0060] Furthermore, the wiring harness body 61 and the support sleeve 3 are pre-formed into a whole. Since the outer circumference of the wiring harness terminal 62 is larger than the inner diameter of the support sleeve 3, the support sleeve 3 is first put on the wiring harness body 61. After the support sleeve 3 and the wiring harness body 61 form a whole, the wiring harness terminal 62 and the wiring harness body 61 are fixedly installed to achieve the purpose of pre-installing the wiring harness 6 and the support sleeve 3. After the wiring harness 6 and the support sleeve 3 are installed, the external pressure force is applied as described above to open the installation gap 12 so that the support sleeve 3 is installed in the through hole 11, and then the external force is removed, the installation gap 12 is restored, and at the same time, the installation part is limitedly installed with the installation part. The installation part is used to support and limit the size of the installation gap 12.

[0061] The hinge assembly provided by the utility model can be applied to other devices, such as refrigerated wine cabinets and freezers.

[0062] Compared with the prior art, the hinge assembly and refrigerator provided by the utility model rotate relative to the hinge shaft 1 through the shaft sleeve 2, so that the hinge assembly is connected between the box body and the door body that are rotatably connected to each other, the support sleeve 3 is at least partially arranged in the through hole 11, the support sleeve 3 is configured to pre-install the wiring harness 6 through the through hole 34, the support sleeve 3 is installed in the through hole 11 through the installation notch 12, and the support sleeve 3 includes a mounting portion for supporting and limiting the size of the installation notch 12. The shaft sleeve 2 rotates relative to the hinge shaft 1, and the support sleeve 3 and the hinge shaft 1 form a whole after installation without relative movement. Because of the support of the support sleeve 3, the gap between the hinge shaft 1 and the shaft sleeve 2 can be controlled, thereby improving the shaking and noise problems of the door body matched with the hinge assembly during the rotation process, and has the advantages of stable and reliable structure, smooth rotation, noise reduction, and good user experience.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the utility model.

Claims

1. A hinge assembly, characterized in that: include, A hinge shaft, the hinge shaft comprising a through hole extending through the hinge shaft along its axial direction, and a mounting notch extending through a side wall of the hinge shaft and communicating with the through hole; A shaft sleeve, which is sleeved on the outer circumference of the hinge shaft and rotates relative to the hinge shaft; and A support sleeve, wherein the support sleeve is at least partially disposed in the through hole, and the support sleeve has a through hole disposed through the support sleeve along its axial direction; Wherein, the support sleeve has a mounting portion which is mounted in a limiting manner with the mounting notch.

2. The hinge assembly according to claim 1, characterized in that: The support sleeve comprises a support sleeve body and an annular boss portion extending outward from one end of the support sleeve body, the support sleeve body is arranged in the through hole, and the support sleeve body and the annular boss portion jointly form the through hole; Wherein, one end of the hinge shaft extends outward to form an abutment portion which abuts against the annular boss portion in a limiting manner.

3. The hinge assembly according to claim 2, characterized in that: The mounting portion is configured as an insertion structure formed by the annular boss portion extending toward the other end of the support sleeve body and inserted into the mounting notch.

4. The hinge assembly according to claim 3, characterized in that: The insertion structure comprises an insertion body adapted to the installation notch and a guide end portion formed by extending the insertion body; The guide end portion has a tendency to gradually shrink in a direction from approaching the insertion body to moving away from the insertion body.

5. A refrigerator, comprising a box body and a door body, characterized in that: comprising a hinge assembly as claimed in any one of claims 1 to 4; The box body and the door body are pivotally connected via the hinge assembly.

6. The refrigerator according to claim 5, characterized in that: It also includes a hinge plate connecting the hinge shaft and the box body; The shaft sleeve forms a shaft sleeve hole for accommodating a portion of the hinge shaft; the other portion of the hinge shaft extending out of the shaft sleeve hole is connected to the hinge plate.

7. The refrigerator according to claim 6, characterized in that: The other part of the hinge shaft is fixedly connected to the hinge plate by riveting or welding.

8. The refrigerator according to claim 5, characterized in that: The door body comprises a fixing hole for the shaft sleeve to pass through, and a fixing portion fixed with the shaft sleeve in a limited position; The shaft sleeve includes a limiting matching portion which is limitedly matched with the fixing portion.

9. The refrigerator according to claim 5, characterized in that: Also included is the wiring harness; The wiring harness comprises a wiring harness body through which the through hole is provided, and a wiring harness terminal provided at one end of the wiring harness body; Wherein, the wiring harness terminal is arranged outside the through hole.

10. The refrigerator according to claim 9, characterized in that: The wire harness body and the support sleeve are pre-formed as a whole.

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