CN212406420U

CN212406420U - Refrigerator

Info

Publication number: CN212406420U
Application number: CN202020263028.5U
Authority: CN
Inventors: 王涛; 郭凯铭; 任开龙; 马新翠
Original assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2021-01-26
Anticipated expiration: 2030-03-05

Abstract

The utility model provides a refrigerator, including box, the door body and hinge subassembly, the hinge subassembly include with box fixed connection's hinge seat, with door body fixed connection's casing, connect in the hinge seat with the first hinge pin of casing, hinge arm, connect in the hinge seat with the second hinge pin, slide-bar and the elastic component of hinge arm, hinge arm one end is passed through the second hinge pin rotate connect in the hinge seat, the other end passes through the slide-bar rotate connect in the elastic component, just the slide-bar slidingly connect in the casing. In the opening process of the door body, the sliding shaft slides in the shell, the elastic assembly transmits the elastic force to the sliding shaft, and the sliding shaft acts on the shell with the elastic force, so that the opening force of the door body can be reduced. The thickness of casing can be reduced in the setting of hinge arm, and when using packing box transportation freezer, the volume that occupies correspondingly reduces for the cost of transportation reduces, and occupation space reduces when placing the use simultaneously the freezer.

Description

Refrigerator

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to freezer.

Background

Along with the improvement of standard of living, the rate of utilization of freezer is higher and higher, and the user also is higher and higher to the requirement of freezer, for the convenience of opening and closing of the freezer door body, sets up hinge subassembly messenger freezer door body and rotates around a fixed rotating shaft on the freezer.

The existing hinge assembly structure is as shown in fig. 1, and includes an upper hinge base 200 connected to a refrigerator door, a lower hinge base 100 connected to a refrigerator body, a hinge shaft 300, a sliding shaft 400, and an elastic assembly 500 connected to the sliding shaft 400, where the hinge shaft 300 is fixed to the lower hinge base 100 and is rotatably connected to the upper hinge base 200, the sliding shaft 400 is fixed to the upper hinge base 200 and is movably connected to the lower hinge base 100, in the process of opening the refrigerator door, the upper hinge base 200 rotates around the hinge shaft 300, the sliding shaft 400 rotates around the hinge shaft 300 under the driving of the upper hinge base 200, and the elastic assembly 500 transmits elastic force to the sliding shaft 400, thereby reducing the opening force of the door.

However, the thickness of the lower hinge seat is increased due to the design, when the hinge is installed outside the refrigerator body, the whole size of the refrigerator is increased, on one hand, when the refrigerator is packed and transported by using the packing box, the size of the packing box is increased, corresponding packing materials are increased, and further, the transportation cost of the product is increased; on the other hand, the freezer needs to be placed in a fixed position in the use, and the required space of freezer increases, causes the waste in space, makes the experience of freezer reduce.

SUMMERY OF THE UTILITY MODEL

For solving the problem among the prior art, the utility model provides a freezer to solve among the prior art slide-bar and rotate the thickness that makes lower hinge seat around the hinge pin and increase and the freezer cost of transportation who leads to increases, places the big problem of occupation space when using.

In order to realize one of the purposes of the utility model, the utility model provides a following technical scheme: a refrigerator comprises a box body, a door body and a hinge assembly, wherein the hinge assembly comprises a hinge seat fixedly connected with the box body, a shell fixedly connected with the door body, and a first hinge shaft connected with the hinge seat and the shell, the hinge assembly further comprises a hinge arm, a second hinge shaft connected with the hinge seat and the hinge arm, a sliding shaft and an elastic assembly, one end of the hinge arm is rotatably connected with the hinge seat through the second hinge shaft, the other end of the hinge arm is rotatably connected with the elastic assembly through the sliding shaft, and the sliding shaft is slidably connected with the shell

As a further improved technical solution of the present invention, the second hinge shaft is disposed between the first hinge shaft and the sliding shaft.

As a further improved technical scheme of the utility model, the slide-shaft can be in the casing internal straight line slides.

As a further improved technical scheme of the utility model, the casing is equipped with the sliding tray that a pair of symmetry set up, the sliding tray is followed the length direction of casing extends, locate respectively at the both ends of slide-bar in the sliding tray.

As a further improved technical scheme of the utility model, the sliding tray is the straight line groove, and it includes two parallel edges and connects the circular arc on two parallel edges, the size at slide-shaft both ends with width between two parallel edges reaches the radius phase-match of circular arc.

As a further improved technical solution of the present invention, the elastic component includes an elastic member body, a first stopping portion located at one end of the elastic member body and a second stopping portion located at the other end of the elastic member body, the first stopping portion is rotatably connected to the sliding shaft.

As a further improved technical solution of the present invention, the side end surface of the housing has a hook portion bent toward the direction of the second stopping portion, and the hook portion is located at the open end of the second stopping portion.

As a further improved technical solution of the present invention, the elastic component further includes a pull rod fixedly connected to the first stopping portion, the elastic component body is a spring, and the spring cover is disposed on the pull rod.

As a further improved technical solution of the present invention, the second stopping portion has a through hole, and the pull rod is slidably connected to the through hole.

As a further improved technical scheme of the utility model, the rear side of the door body has the chamber of acceping sunken forward, the casing the hinge arm elastic component all installs accept the intracavity.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up the hinge arm, hinge arm one end is passed through the second hinge pin and is rotated and connect in the hinge seat, and the other end passes through the sliding shaft and rotates to be connected in elastic component, and sliding shaft sliding connection is in the casing, opens the in-process at the door body, and the sliding shaft slides in the casing, and elastic component transmits elasticity for the sliding shaft, and the sliding shaft is with elasticity effect at the casing, can reduce the power of opening of the door body. The thickness of casing can be reduced in the setting of hinge arm, reduces the thickness of hinge subassembly promptly, and when using packing box transportation freezer, the volume that occupies correspondingly reduces for the cost of transportation reduces, and occupation space reduces when the freezer is placed the use simultaneously.

Drawings

FIG. 1 is a schematic view of a hinge assembly of the prior art;

fig. 2 is a schematic structural view of the refrigerator in an embodiment of the present invention, when the door is closed;

FIG. 3 is a schematic view of a hinge assembly in a closed position of a door according to an embodiment of the present invention;

FIG. 4 is a schematic view of the hinge assembly with the housing removed in a closed position of the door according to one embodiment of the present invention;

FIG. 5 is a schematic view of another angle of the hinge assembly in a closed position of the door according to an embodiment of the present invention;

FIG. 6 is a schematic view of the hinge assembly with the fixed portion attached to the rear of the housing in a closed position of the door according to one embodiment of the present invention;

fig. 7 is a schematic structural view of the refrigerator in an open state of the door body according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a hinge assembly in an open state of a door body according to an embodiment of the present invention;

fig. 9 is a schematic view of the hinge assembly with the housing removed when the door body is in an open state according to an embodiment of the present invention.

In the figure, the hinge assembly 10, the door body 20, the box body 30, the hinge base 11, the fixing portion screw hole 111, the fixing portion 112, the fitting portion 113, the first hinge shaft 12, the second hinge shaft 13, the slide shaft 14, the housing 15, the housing screw hole 151, the slide groove 152, the relief hole 153, the hook portion 154, the hinge arm 16, the elastic assembly 17, the first stopper portion 171, the spring 172, the pull rod 173, and the second stopper portion 174.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

In this specification, it is to be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, these described objects should not be limited by these terms, which are merely used to distinguish these described objects from one another.

In the various drawings of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration, and thus, are provided only to illustrate the subject basic structure of the present invention.

In this specification, when the refrigerator is used, the direction of the user is front, and the opposite direction is rear.

Referring to fig. 2, the present invention provides a refrigerator, which includes a box 30, a door 20 and a hinge assembly 10, wherein the door 20 is rotatably connected to the box 30 via the hinge assembly 10, so as to open and close the door 20.

Referring to fig. 3 to 5, the hinge assembly 10 includes a hinge base 11 fixedly connected to the box body 30, a housing 15 fixedly connected to the door body 20, a hinge arm 16, an elastic assembly 17, a first hinge shaft 12 connected to the hinge base 11 and the housing 15, a second hinge shaft 13 connected to the hinge base 11 and the hinge arm 16, and a sliding shaft 14.

Specifically, the housing 15 is rotatably connected to the hinge base 11, the housing 15 rotates around the first hinge shaft 12, the first hinge shaft 12 is fixed to the housing 15, and the hinge base 11 is rotatably connected to the first hinge shaft 12.

The housing 15 is fixedly connected to the door 20 by screws, and specifically, a housing screw hole 151 is formed in a side end surface of the housing 15 and is fixedly connected to a side surface of the door 20 by screws fitted into the housing screw hole 151, so that the door 20 can perform a pivoting motion with respect to the box 30, and the box 30 can be conveniently opened or closed.

One end of the hinge arm 16 is rotatably connected to the hinge base 11 through the second hinge shaft 13, and the other end is rotatably connected to the elastic component through the sliding shaft (14).

The second hinge shaft 13 is fixedly connected to one end of the hinge arm 16, the hinge base 11 is rotatably connected to the second hinge shaft 13, and the sliding shaft 14 is fixedly connected to the other end of the hinge arm 16.

Further, the sliding shaft 14 is slidably connected to the housing 15, and the housing 15 can drive the sliding shaft 14 to rotate around the second hinge shaft 13, that is, the housing 15 drives the hinge arm 16 to rotate around the second hinge shaft 13.

The slide shaft 14 is linearly slidable in the housing 15. Therefore, the shell 15 does not need to be thicker, and the sliding shaft 14 can slide in the shell 15 when the door body 20 is opened and closed.

The hinge arm 16 comprises two parallel transverse plates, the transverse plates are respectively arranged at two sides of the hinge seat 11, and the two parallel transverse plates are connected with the hinge seat 11 through the second hinge shaft 13, so that the running stability of the hinge assembly 10 is enhanced.

Preferably, the housing 15 is provided with a pair of sliding grooves 152 symmetrically arranged, the sliding grooves 152 extend along the length direction of the housing 15, both ends of the sliding shaft 14 are arranged in the sliding grooves 152, and the sliding shaft 14 slides in the sliding grooves 152 when the sliding shaft 14 rotates around the second hinge shaft 13.

The sliding groove 152 is a linear groove and comprises two parallel edges and an arc connecting the two parallel edges, and the sizes of the two ends of the sliding shaft 14 are matched with the width between the two parallel edges and the radius of the arc, so that the sliding shaft 14 can slide smoothly in the sliding groove 152, and the door body 20 cannot be affected by large shaking and jamming.

Specifically, the arcs include a first arc disposed close to the first hinge axis 12 and a second arc disposed away from the first hinge axis 12. The sliding shaft 14 can slide between the first arc vertex and the second arc vertex, so as to control the door opening angle of the door body 20.

The elastic component 17 is rotatably connected with the sliding shaft 14, the elastic component 17 transmits elastic force to the sliding shaft 14, and the sliding shaft 14 applies the elastic force to the shell 15, so that the door body 20 is opened conveniently.

Specifically, the elastic assembly 17 includes an elastic body, a first stopping portion 171 located at one end of the elastic body, a second stopping portion 174 located at the other end of the elastic body, and a pull rod 173 fixed relative to the first stopping portion 171, wherein the first stopping portion 171 is rotatably connected to the sliding shaft 14.

Further, a side end surface of the housing 15 has a hook portion 154 bent toward the second stopping portion 174, and the hook portion 154 is located at an opening end of the second stopping portion 174.

The cross section of the second stopping portion 174 is "U" shaped, and the hook portion 154 drives the second stopping portion 174 to rotate around the sliding shaft 14.

The second stopping portion 174 is always pressed against the housing 15 under the action of the elastic member body, that is, there is no change in the relative position between the second stopping portion 174 and the housing 15. In other embodiments, the second stopping portion 174 may be fixedly connected to the housing 15.

The upper end surface of casing 15 be equipped with elastic component 17 complex hole 153 of stepping down, hole 153 of stepping down with the position of second backstop portion 174 is corresponding when door body 20 is opened, rotatory back the tip of second backstop portion 174 can pass hole 153 of stepping down makes the thickness of casing 15 need not to increase, can prevent with the interference of second backstop portion 174.

In this embodiment, the elastic body is a spring 172, and the spring 172 is sleeved on the pull rod 173. Of course, the elastic body may be other elastic members. The spring 172 is sleeved on the pull rod 173, so that the spring 172 is not easy to deviate in the working process, the occurrence of the situations such as twisting and deformation of the spring 172 is reduced, the situation that the service life of the hinge assembly 10 is shortened due to the fact that the spring 172 is twisted is further reduced, and the service life of the hinge assembly 10 is conveniently prolonged.

The second stopper 174 has a through hole, and the pull rod 173 is slidably connected to the through hole, so that the length of the spring 172 is changed in the process of opening and closing the door body 20, the sliding direction of the pull rod 173 is the same as the deformation direction of the spring 172, that is, the length of the portion of the spring 172 sleeved by the pull rod 173 is matched with the length of the spring 172, and the spring 172 can be prevented from being bent.

The hinge base 11 includes a fixing portion 112 and a fitting portion 113 connected to the fixing portion 112.

The fixing portion 112 and the engaging portion 113 are integrally formed by a metal plate, or may be fixedly connected by welding.

The first hinge shaft 12 and the second hinge shaft 13 are connected to the fitting portion 113, and the fixing portion 112 is provided with a fixing portion screw hole 111 and is fixedly connected to the box body 30 by a screw fitted into the fixing portion screw hole 111.

Further, the fixing portion 112 is connected to a side surface or a rear surface of the case 30, so as to meet requirements of different users.

Specifically, the plane where the matching portion 113 is located extends along the front-back direction of the box body 30, when the fixing portion 112 is connected to the side face of the box body 30, the fixing portion 112 is connected with the matching portion 113 through the middle portion extending in the horizontal direction, and the fixing portion 112 is parallel to the plane where the matching portion 113 is located.

Referring to fig. 6, when the fixing portion 112 is connected to the rear surface of the case 30, the fixing portion 112 is directly connected to the matching portion 113, and the fixing portion 112 is perpendicular to the plane of the matching portion 113.

Referring to fig. 7, the rear side of the door body 20 has a cavity recessed forward, and the housing 15, the hinge arms 16 and the elastic component 17 are all installed in the cavity, so that the overall actual size of the refrigerator is reduced, and the overall appearance effect of the refrigerator can be enhanced.

Referring to fig. 8 to 9, in the opening process of the door 20, the housing 15 rotates upward with the first hinge shaft 12 as an axis, the hinge arm 16 rotates upward with the second hinge shaft 13 as an axis, and at this time, the sliding shaft 14 also slides along the sliding groove 152 while rotating upward with the second hinge shaft 13 as an axis, so that the housing 15 generates a certain displacement on a horizontal plane, and thus the door 20 also moves forward while rotating around the first hinge shaft 12, and the door 20 is effectively prevented from interfering with an obstacle located at the rear side of the refrigerator.

The second hinge shaft 13 is disposed between the first hinge shaft 12 and the sliding shaft 14, and the sliding shaft 14 moves from the second arc to the first arc in the opening process of the door body 20. The sliding groove 152 limits the rotation angle of the casing 15, so as to limit the rotation angle of the door 20, that is, the second arc limits the maximum opening angle of the door 20, thereby reducing the possibility of damage to the door 20 or the hinge assembly 10 due to an excessively large rotation angle, and simultaneously avoiding the influence on the appearance caused by collision marks left by the door 20 colliding with the box body 30.

The spring 172 is always in a compressed state, and in the opening process of the door body 20, the compression amount of the spring 172 is gradually reduced, and the elastic potential energy is converted into kinetic energy, so that the elastic force in the direction of the pull rod 173 is transmitted to the sliding shaft 14 through the first stopping portion 171, the sliding shaft 14 applies the elastic force to the hinge arm 16, and the hinge arm 16 rotates upward around the second hinge shaft 13, so that the user can save the force and easily open the door body 20 while opening the door body with the help of the elastic force released by the spring 172.

Preferably, the spring 172 has a moderate elastic coefficient and shape, so that when the door 20 is opened within a certain angle range, the door 20 can be kept at the opening angle without external force, and a user can conveniently take and place articles in the refrigerator.

Similarly, in the closing process of the door 20, the spring 172 is compressed again, and since a part of the manual force and the gravity applied to the door are converted into the elastic potential energy of the spring 172, the speed of closing the door 20 is greatly reduced, so that the door 20 is closed gently, the door 20 is prevented from being rapidly closed and colliding with the box body 30, the damage to the door 20 and the box body 30 is avoided, and meanwhile, the generation of loud noise can be prevented.

The detailed description set forth above is only a specific description of the feasible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. A refrigerator comprises a box body, a door body and a hinge assembly, wherein the hinge assembly comprises a hinge seat fixedly connected with the box body, a shell fixedly connected with the door body, and a first hinge shaft connected with the hinge seat and the shell.

2. The cooler of claim 1, wherein the second hinge axis is disposed between the first hinge axis and the slide axis.

3. The cooler of claim 1, wherein the slide shaft is linearly slidable within the housing.

4. The refrigerator of claim 1 wherein the housing has a pair of symmetrically disposed sliding grooves extending along the length of the housing, the ends of the sliding shaft being disposed in the sliding grooves, respectively.

5. The refrigerator of claim 4 wherein the sliding channel is a linear channel comprising two parallel sides and an arc connecting the two parallel sides, the dimensions of the two ends of the sliding shaft matching the width between the two parallel sides and the radius of the arc.

6. The refrigerator of claim 1 wherein the resilient assembly comprises a resilient member body, a first stop portion at one end of the resilient member body, and a second stop portion at the other end of the resilient member body, the first stop portion being rotatably connected to the slide shaft.

7. The refrigerator of claim 6, wherein the side end of the housing has a hook portion bent toward the second stopping portion, and the hook portion is located at an opening end of the second stopping portion.

8. The refrigerator of claim 6, wherein the resilient assembly further comprises a pull rod fixedly connected to the first stop portion, the resilient member body is a spring, and the spring is sleeved on the pull rod.

9. The cooler of claim 8, wherein the second stop has a through hole, and the pull rod is slidably connected to the through hole.

10. The refrigerator of claim 1 wherein the rear side of the door body has a forwardly recessed receiving cavity, the housing, the hinge arms, and the resilient assembly all being mounted in the receiving cavity.