CN109798036B

CN109798036B - Hinge structure and refrigeration equipment

Info

Publication number: CN109798036B
Application number: CN201910259076.9A
Authority: CN
Inventors: 姚君
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-11-06
Anticipated expiration: 2039-03-29
Also published as: CN109798036A

Abstract

The invention discloses a hinge structure and refrigeration equipment, which comprise a hinge seat and a hinge shaft assembly, wherein the hinge shaft assembly comprises a shaft sleeve and a hinge shaft positioned in the shaft sleeve, the hinge seat is provided with a shaft hole for the hinge shaft to pass through, an elastic part and a limiting part are arranged in the shaft sleeve, the limiting part comprises a limiting part and a releasing part, and the elastic part is connected with the hinge shaft; when the hinge shaft is pressed against the limiting part, the hinge shaft is accommodated in the shaft sleeve, and the elastic piece elastically applies force to the hinge shaft along the axial direction of the hinge shaft; when the hinge shaft rotates around the axis of the hinge shaft from the limiting part to the releasing part, the hinge shaft extends out of the shaft sleeve through elastic force and is sleeved in the shaft hole of the hinge seat. The hinge structure aims to solve the technical problems that a refrigeration equipment door body is difficult to disassemble and assemble and the installation quality of the door body is poor.

Description

Hinge structure and refrigeration equipment

Technical Field

The invention relates to the technical field of hinges, in particular to a hinge structure and refrigeration equipment.

Background

The hinge of the refrigeration equipment is the most commonly used connecting piece for opening the door body of the refrigeration equipment in a rotating way at present. Usually in refrigeration plant's in-service use process, there is the customer because change refrigeration plant left and right sides the door body direction of opening the door, the house door body is more narrow in the family and need demolish the refrigeration plant door body and just can enter the family, during the refrigeration plant door body damages and changes the door body and the condition such as the outer pin refrigeration plant door body separately dismouting transportation, need dismantle earlier the hinge and just can dismantle the refrigeration plant door body, need just can install the refrigeration plant door body through the installation hinge during the installation again, make the dismouting difficulty of the refrigeration plant door body. Meanwhile, when the door body of the refrigeration equipment is remounted, the problems of poor gap of the door body, no in-place installation of the hinge, no tight installation, screw slipping and other installation quality exist.

Disclosure of Invention

The invention mainly aims to provide a hinge structure and refrigeration equipment, and aims to solve the technical problems that a refrigeration equipment door body is difficult to assemble and disassemble and the installation quality of the door body is poor.

In order to achieve the above object, the present invention provides a hinge structure comprising:

the hinge shaft assembly comprises a shaft sleeve and a hinge shaft positioned in the shaft sleeve;

the hinge seat is provided with a shaft hole for the hinge shaft to pass through;

an elastic piece and a limiting piece are arranged inside the shaft sleeve, the limiting piece comprises a limiting part and a releasing part, and the elastic piece is connected with the hinge shaft; the hinge shaft is configured to: the hinge shaft is accommodated in the shaft sleeve under the condition that the hinge shaft is pressed against the limiting part, and the elastic piece elastically applies force to the hinge shaft along the axial direction of the hinge shaft; and under the condition that the hinge shaft rotates to the release part from the limiting part around the axis of the hinge shaft, the hinge shaft extends out of the shaft sleeve through the elastic force of the elastic piece and is sleeved in the shaft hole of the hinge seat.

Preferably, the limiting part is a first protruding part arranged on the shaft sleeve, the releasing part is a channel on one side of the first protruding part, and a second protruding part in contact fit with the first protruding part is formed on the side wall of the hinge shaft.

Preferably, the hinge shaft assembly further comprises a bushing in which the hinge shaft is rotatably inserted, and the first boss is formed on an inner wall of the bushing.

Preferably, the first protrusion is located at a lower end of the boss.

Preferably, the hinge structure includes: the two first protruding parts are arranged at intervals; and two second protruding parts arranged corresponding to the first protruding parts.

Preferably, the hinge shaft includes a shaft body, and the second protrusion is an arc plate connected to one end of the shaft body.

Preferably, the elastic member is a spring.

Preferably, the hinge shaft assembly comprises a shaft sleeve mounting seat, the shaft sleeve is mounted on the shaft sleeve mounting seat, one end of the spring abuts against the shaft sleeve mounting seat, and the other end of the spring abuts against the hinge shaft.

In addition, the invention also provides refrigeration equipment which comprises a box body, a door body and the hinge structure, wherein one of the hinge seat and the hinge shaft assembly is arranged on the box body, and the other one is arranged on the door body.

Preferably, the door body is provided with a notch groove, the door body comprises an installation cavity extending from the groove bottom surface of the notch groove towards the inside of the door body, and the hinge shaft assembly is installed in the installation cavity.

According to the technical scheme, the hinge shaft can extend out of or be accommodated in the shaft sleeve under the action of the elastic piece and the limiting piece, the hinge shaft is pressed against the limiting part before the door body and the box body are assembled, the elastic piece elastically applies force to the hinge shaft along the axial direction of the hinge shaft, and the hinge shaft is accommodated in the shaft sleeve. When the door body is required to be installed on the box body, the hinge shaft is rotated through external force, the hinge shaft rotates to the release part from the limiting part around the axis of the hinge shaft, the hinge shaft can pop out of the shaft sleeve through elastic force of the elastic piece assembled with the hinge shaft, and the hinge shaft is sleeved in the shaft hole of the hinge seat, so that the door body can be opened and closed relative to the box body through the hinge shaft in a rotating mode. When the door body needs to be disassembled, the hinge shaft is pressed downwards, and the hinge shaft is taken out from the shaft hole of the hinge seat through the deformation of the elastic piece. The door body can be disassembled and assembled conveniently and quickly without disassembling and assembling the hinge. Meanwhile, in the process of assembling and disassembling the door body, the hinge structure can not change the assembling clearance and position of the hinge, and effectively improves the installation quality of the door body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic view showing a partial structure of a hinge structure according to an embodiment of the present invention;

FIG. 4 is an exploded view of a hinge shaft assembly of an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the hinge shaft assembly in the direction of the hinge shaft axis according to the embodiment of the present invention;

FIG. 6 is another cross-sectional view of the hinge shaft assembly of the embodiment of the present invention taken along the axis of the hinge shaft;

FIG. 7 is a schematic structural view of a bushing in accordance with an embodiment of the present invention;

fig. 8 is another partial structural schematic view of the hinge structure according to the embodiment of the invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Door body	2	Hinge shaft assembly
3	Hinge seat	31	Shaft hole
				4	Box body	5	Notch groove
21	Shaft sleeve	22	Hinge axis
				23	Elastic piece	24	Shaft sleeve mounting seat
211	First convex part	212	First mounting hole
				213	Channel	221	Shaft body
222	Second convex part	241	Second mounting hole
				242	Through hole

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The references of "up" and "down" in the present invention are based on the orientation shown in fig. 6, that is, the references of "up" and "down" in the present invention correspond to the upper and lower orientations of fig. 6, and are only used to explain the relative positional relationship between the components in the posture shown in fig. 6, and if the specific posture is changed, the directional indication is changed accordingly.

Referring to fig. 1 to 4, the present invention provides a hinge structure including:

the hinge shaft assembly comprises a shaft sleeve 21 and a hinge shaft 22 positioned in the shaft sleeve 21;

the hinge seat 3 is provided with a shaft hole 31 for the hinge shaft 22 to pass through;

an elastic piece 23 and a limiting piece are arranged inside the shaft sleeve 21, as shown in fig. 7, the limiting piece comprises a limiting part and a releasing part, and the elastic piece 23 is connected with the hinge shaft 22; the hinge shaft 22 is configured to: the hinge shaft 22 is accommodated in the shaft sleeve 21 under the condition that the hinge shaft 22 is pressed against the limiting part, and the elastic piece 23 elastically applies force to the hinge shaft 22 along the axial direction of the hinge shaft 22; in the case that the hinge shaft 22 rotates around the axis of the hinge shaft 22 from the stopper portion to the release portion, the hinge shaft 22 is extended out of the boss 21 by the elastic force of the elastic member 23 and is fitted into the shaft hole 31 of the hinge base 3. It should be noted that the hinge structure is particularly suitable for being used as a hinge structure of a refrigerator, but is not limited to being used as a hinge structure of a refrigerator, and if other devices apply the hinge structure provided by the present invention, the hinge structure also falls within the protection scope of the present invention. In addition, the attached drawings of the embodiment of the invention take the hinge structure at the top of the refrigerator body as an example, and the hinge structure can be correspondingly arranged at the left side, the right side and the bottom of the refrigerator body in reality.

In the technical scheme of the invention, the hinge shaft 22 can extend out or be accommodated in the shaft sleeve 21 under the action of the elastic piece 23 and the limiting piece, the hinge shaft 22 keeps an extending state in a normal state, and the door body 1 is installed on the box body 4 through the hinge shaft 22 and rotates to open and close the door through the hinge shaft 22. As shown in fig. 8, before the door 1 is installed, the hinge shaft 22 is received in the bushing 21, and the top end of the hinge shaft 22 may protrude slightly from the top end of the bushing. When the door body 1 needs to be installed, when the hinge shaft 22 rotates around the axis of the hinge shaft 22 from the limiting part to the releasing part, the hinge shaft 22 can pop out of the shaft sleeve 21 through the elastic force of the elastic piece 23 assembled with the hinge shaft 22, and the hinge shaft 22 is sleeved in the shaft hole 31 of the hinge seat 3, so that the door body 1 can be installed quickly. When the door body 1 needs to be disassembled, the hinge shaft 22 is pressed downwards, the hinge shaft 22 can be taken out of the shaft hole 31 of the hinge seat 3, or the hinge shaft 22 is rotated when being pressed downwards, so that the hinge shaft 22 rotates to the limiting part from the releasing part around the axis of the hinge shaft 22, the hinge shaft 22 can be accommodated in the shaft sleeve 21, the door body 1 can be disassembled and assembled under the condition that the hinge structure is not disassembled, and convenience and rapidness are realized. Meanwhile, in the process of assembling and disassembling the door body 1, the hinge structure can not change the assembling clearance and position of the hinge, and effectively improves the installation quality of the door body.

According to a preferred embodiment of the present invention, as shown in fig. 7, the position-limiting part is a first protrusion 211 provided on the shaft sleeve 21, the releasing part is a channel 213 at one side of the first protrusion 211, and a second protrusion 222 contacting and cooperating with the first protrusion 211 is formed on a sidewall of the hinge shaft 22. The term "contact fit" refers to a condition that the top end of the second protruding portion 222 abuts against the bottom end of the first protruding portion 211 when the hinge shaft 22 is received in the bushing 21, that is, when the hinge shaft 22 is in a contracted state and does not extend into the shaft hole 31 of the hinge base 3. The passage 213 may allow the second protrusion 222 to pass through, and specifically, when the hinge shaft 22 is at the limit position, the second protrusion 222 is pressed against the first protrusion 211 so that the hinge shaft 22 is received in the door body 1, and when the hinge shaft 22 rotates around the axis of the hinge shaft 22 to the release position, the second protrusion 222 may allow the hinge shaft 22 to pop out of the bushing 21 through the passage 213. The rotation angle from the restricting position to the releasing position may be 90 °, but is not limited thereto, and may be determined according to the positional relationship between the first and

second protrusions

211 and 222 and the passage 213.

Further, a first boss 211 is formed on the inner wall of the boss 21. A passage 213 at one side of the first boss 211 is also correspondingly formed on the inner wall of the boss 21. The inner cavity of the shaft sleeve 21 and the opening at one end are matched with the hinge shaft 22, so that the hinge shaft 22 is rotatably arranged in the shaft sleeve 21 in a penetrating way.

As shown in fig. 7, the first protrusion 211 is located at the lower end of the bushing 21, and after the hinge shaft 22 rotates about the axis of the hinge shaft 22 from the stopper to the release, the hinge shaft 22 is ejected from the bushing 21, and the hinge shaft 22 partially rotates above the first protrusion 211 in the bushing 21.

More specifically, the number of the first protrusions 211 is two, two first protrusions 211 are disposed on the inner wall of the sleeve 21 at intervals, the channel 213 may be formed between the two first protrusions 211, the number of the second protrusions 222 is two, and the two second protrusions 222 are disposed corresponding to the first protrusions 211. The number of the passages 213 is two, and the two passages 213 are disposed on the inner wall of the sleeve 21 with two first protrusions 211 therebetween, and can allow the two second protrusions 222 to pass therethrough, respectively.

According to a preferred embodiment of the present invention, as shown in fig. 4, the hinge shaft 22 includes a shaft body 221, and the second boss 222 is an arc plate connected to one end of the shaft body 221. The corresponding first protrusion 211 and the corresponding channel 213 may be respectively configured as an arc plate and an arc channel, and the arc size of the arc plate and the arc channel jointly determines the rotation angle from the limit position to the release position.

According to a preferred embodiment of the present invention, as shown in fig. 4 to 6, the elastic member 23 is a spring. The spring may be installed in the axial direction of the hinge shaft 22, but is not limited to this installation manner as long as it is assembled with the hinge shaft 22 and can generate an elastic force in the axial direction of the hinge shaft 22 to urge the hinge shaft 22.

Meanwhile, the hinge shaft assembly further comprises a shaft sleeve mounting seat 24, the shaft sleeve 21 is mounted on the shaft sleeve mounting seat 24, one end of the spring abuts against the shaft sleeve mounting seat 24, and the other end of the spring abuts against the hinge shaft 22. The shaft sleeve 21 is provided with a first mounting hole 212, the shaft sleeve mounting seat 24 is provided with a second mounting hole 241 which is communicated with the first mounting hole 212 and is on the same axial lead, and the number of the first mounting hole 212 and the second mounting hole 241 is 2. The two first mounting holes 212 are respectively connected to the corresponding second mounting holes 241 such that the bushing 21, the bushing seat 24, the hinge shaft 22 and the spring received inside the bushing 21 and the bushing seat 24 are integrally provided on the door body 1. The sleeve mount 24 is provided with a through hole 242 that is engaged with the spring, and one end of the spring can be engaged with a hole wall corresponding to the through hole 242 so as to abut against the sleeve mount 24.

According to another aspect of the present invention, there is also provided a refrigeration apparatus, wherein the refrigeration apparatus comprises a cabinet 4, a door body 1 and the hinge structure, one of the hinge base 3 and the hinge shaft assembly is mounted on the cabinet 4, and the other is mounted on the door body 1. Because the refrigeration equipment comprises the hinge mounting structure provided by the invention, the refrigeration equipment also has all the advantages of the hinge structure provided by the invention. The refrigerating equipment can be household appliances such as a refrigerator, a freezer, a wine cabinet or a freezer.

Specifically, as shown in fig. 2, the door body 1 is provided with a notch groove 5 corresponding to a position where the hinge shaft 22 is ejected, the door body 1 includes a mounting cavity (not shown) extending from a groove bottom surface of the notch groove 5 toward the inside of the door body 1, and the hinge shaft assembly 2 is mounted in the mounting cavity. When the hinge shaft 22 extends out of the installation cavity, the door body 1 can be installed flush with the box body 4 due to the existence of the notch groove 5.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A hinge structure, comprising:

an elastic piece and a limiting piece are arranged inside the shaft sleeve, the limiting piece comprises a limiting part and a releasing part, and the elastic piece is connected with the hinge shaft; the hinge shaft is configured to: the hinge shaft is accommodated in the shaft sleeve under the condition that the hinge shaft is pressed against the limiting part, and the elastic piece elastically applies force to the hinge shaft along the axial direction of the hinge shaft; under the condition that the hinge shaft rotates to the release part from the limiting part around the axis of the hinge shaft, the hinge shaft extends out of the shaft sleeve through the elastic force of the elastic piece and is sleeved in the shaft hole of the hinge seat; the limiting part is a first boss arranged on the shaft sleeve, the releasing part is a channel on one side of the first boss, and a second boss in contact fit with the first boss is formed on the side wall of the hinge shaft; the hinge shaft comprises a shaft body, and the second boss is an arc plate connected to one end of the shaft body.

2. The hinge structure according to claim 1, wherein the first boss is formed on an inner wall of the boss.

3. The hinge structure according to claim 2, wherein the first projection is located at a lower end of the boss.

4. The hinge structure of claim 2, wherein the hinge structure comprises: the two first protruding parts are arranged at intervals; and two second protruding parts arranged corresponding to the first protruding parts.

5. The hinge structure according to any one of claims 1 to 4, wherein the elastic member is a spring.

6. The hinge structure of claim 5, wherein the hinge shaft assembly further comprises a bushing mount, the bushing is mounted to the bushing mount, one end of the spring abuts against the bushing mount, and the other end abuts against the hinge shaft.

7. A refrigeration device, characterized in that the refrigeration device comprises a box body, a door body and a hinge structure according to any one of claims 1 to 6, wherein one of the hinge seat and the hinge shaft assembly is mounted on the box body, and the other one is mounted on the door body.

8. The refrigeration appliance according to claim 7, wherein the door body is provided with a cutaway groove, the door body includes a mounting cavity extending from a groove bottom surface of the cutaway groove toward an inside of the door body, and the hinge shaft assembly is mounted in the mounting cavity.