CN210918625U

CN210918625U - Hinge and refrigeration equipment

Info

Publication number: CN210918625U
Application number: CN201921458952.2U
Authority: CN
Inventors: 黄艳敏; 刘超
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: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-03
Anticipated expiration: 2029-09-03
Also published as: WO2021042719A1

Abstract

The utility model discloses a hinge and refrigeration equipment, the hinge comprises a hinge upper seat, a hinge lower seat and a sliding plate mechanism; the upper hinge seat is hinged with the lower hinge seat through a connecting shaft; the sliding plate mechanism is arranged in the lower hinge seat and comprises a sliding plate, an elastic piece, a first limiting seat connected with the sliding plate and a second limiting seat connected with the lower hinge seat, the sliding plate is in sliding contact fit with the upper hinge seat, the second limiting seat is located below the first limiting seat, one end of the elastic piece is connected with the first limiting seat, and the other end of the elastic piece is connected with the second limiting seat. When the upper hinge seat rotates clockwise around the connecting shaft, the upper hinge seat drives the sliding plate to move downwards, and at the moment, the first limiting seat compresses the elastic piece downwards; when the upper hinge seat rotates anticlockwise around the connecting shaft, the upper hinge seat drives the sliding plate to move upwards, and at the moment, the elastic piece recovers deformation, so that the door is opened more slowly and the noise is low. The utility model discloses a set up slide mechanism, improved the commonality of elastic component and prolonged the life of hinge.

Description

Hinge and refrigeration equipment

Technical Field

The utility model relates to a refrigeration plant technical field, concretely relates to hinge and refrigeration plant.

Background

When the door of the refrigerator is closed, the door is usually closed quickly due to the gravity of the door, the impact force of the door on the refrigerator body is large, and the door closing noise is large. For solving the problem that the existing refrigerator is high in door closing speed and high in noise, the existing refrigerator in the industry usually uses a hinge with a damping component (such as an elastic part), the damping component is usually directly connected to a lower hinge seat, and a damping air pressure rod is arranged on the side of the lower hinge seat, so that the damping component cannot be used for the lower hinge seat, when the model of the damping component is changed, the whole hinge needs to be replaced, and the standardized universality of components is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hinge and refrigeration plant to solve the problem that the part commonality of current hinge is low.

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

an upper hinge seat;

the upper hinge seat is hinged with the lower hinge seat through a connecting shaft;

the sliding plate mechanism is arranged in the lower hinge seat and comprises a sliding plate, an elastic piece, a first limiting seat and a second limiting seat, the sliding plate is in sliding contact fit with the upper hinge seat, the first limiting seat is connected with the sliding plate, the second limiting seat is located below the first limiting seat and is connected with the lower hinge seat, one end of the elastic piece is connected with the first limiting seat, and the other end of the elastic piece is connected with the second limiting seat.

In one embodiment, one end of the sliding plate facing the upper hinge seat is an inclined surface, the distance between the inclined surface and the connecting shaft is gradually increased along the direction departing from the mounting side of the upper hinge seat, and the inclined surface is in sliding contact fit with the edge of the mounting side of the upper hinge seat.

In an embodiment, first guide holes are respectively formed in two sides of the lower hinge seat, the first guide holes are arc-shaped, an inner concave surface of each first guide hole faces the installation surface of the lower hinge seat and is arranged upwards, the upper hinge seat is further provided with a rotating shaft, and the rotating shaft penetrates through the upper hinge seat, is inserted into the first guide holes and is in sliding contact fit with the hole walls of the first guide holes.

In an embodiment, the number of the sliding plates is two, the two sliding plates are respectively arranged on two sides of the lower hinge seat, the first limiting seat is connected between the two sliding plates, and the second limiting seat penetrates through the sliding plates to be connected with the lower hinge seat.

In an embodiment, two sides of the lower hinge seat corresponding to the second limiting seat are provided with buckles, two sides of the second limiting seat are provided with clamping grooves, each sliding plate is provided with a second guide hole, the second guide holes extend along the vertical direction, two sides of the second limiting seat penetrate through the second guide holes, and the buckles are clamped with the clamping grooves.

In an embodiment, the sliding plate is provided with a third guide hole, the third guide hole extends in the vertical direction, the two sliding plates and two sides of the lower hinge seat are connected through guide shafts, a first end of each guide shaft passes through the sliding plate and is connected with the lower hinge seat, and a second end of each guide shaft is inserted into the third guide hole and can slide in the third guide hole.

In an embodiment, the number of the third guide holes and the number of the guide shafts are multiple, and the third guide holes and the guide shafts are arranged in a one-to-one correspondence manner.

In an embodiment, each of the sliding plates is provided with a mounting hole, and two sides of the first limiting seat are respectively mounted in the mounting holes.

In an embodiment, the sliding plate mechanism further includes a shaft tube, the elastic member is a spring, the spring is sleeved on the shaft tube, a first end of the shaft tube is slidably sleeved on the first limiting seat, and a second end of the shaft tube is connected to the second limiting seat.

Furthermore, the utility model also provides a refrigeration plant, refrigeration plant includes the box, the door body and as above the hinge, the door body with the box passes through hinge joint.

In the technical proposal of the utility model, the upper hinge seat is hinged with the lower hinge seat through a connecting shaft; set up slide mechanism in the hinge lower base, slide and the cooperation of hinge upper seat sliding contact of slide mechanism, first spacing seat is connected with the slide, and the spacing seat of second is located the below of first spacing seat and connects the hinge lower base, sets up the elastic component between first spacing seat and the spacing seat of second for first spacing seat is connected to the one end of elastic component, and the spacing seat of second is connected to the other end of elastic component. When the refrigerator door body is opened, the upper hinge seat rotates clockwise around the connecting shaft, the arc surface of the lower end of the upper hinge seat is tangent to the upper part of the sliding plate, the upper hinge seat and the sliding plate start to bear force mutually, the lower end of the upper hinge seat drives the sliding plate to move downwards, and the first limiting seat compresses the elastic piece downwards to enable the elastic piece to have certain elastic force and play a certain buffering role when the refrigerator door body is opened; when the refrigerator door body is closed, the upper hinge seat rotates anticlockwise around the connecting shaft, the sliding plate is driven by one end of the upper hinge seat to move upwards, and at the moment, the elastic piece recovers deformation, so that the door is closed more slowly, the noise is low, and the service life of the hinge is prolonged. The utility model discloses a set up slide mechanism to set up the elastic component on the slide, thereby improved the commonality of elastic component.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the hinge of the present invention;

fig. 2 is an exploded schematic view of the hinge of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Hinge upper seat	312	Third guiding hole
11	Connecting shaft	313	Inclined plane
				12	Rotating shaft	32	Elastic piece
20	Lower base of hinge	33	First limit seat
				21	First guide hole	34	Second limit seat
22	Buckle	341	Clamping groove
				30	Slide mechanism	40	Shaft tube
31	Sliding plate	50	Guide shaft
				311	Second guiding hole	60	Mounting hole

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

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The description of the orientations of "up", "down", "left", "right", etc. in the present invention is based on the orientation shown in fig. 1, and is only used to explain the relative positional relationship between the components in the posture shown in fig. 1, and if the specific posture is changed, the directional indication is also changed accordingly.

As shown in fig. 1 and 2, in an embodiment of the present invention, a hinge is provided, which includes a hinge upper seat 10, a hinge lower seat 20, and a sliding plate mechanism 30; the upper hinge seat 10 is hinged with the lower hinge seat 20 through a connecting shaft 11; the sliding plate mechanism 30 is disposed in the lower hinge seat 20, the sliding plate mechanism 30 includes a sliding plate 31, an elastic member 32, a first limiting seat 33 and a second limiting seat 34, the sliding plate 31 is in sliding contact with the upper hinge seat 10, the first limiting seat 33 is connected to the sliding plate 31, the second limiting seat 34 is located below the first limiting seat 33 and connected to the lower hinge seat 20, one end of the elastic member 32 is connected to the first limiting seat 33, and the other end of the elastic member 32 is connected to the second limiting seat 34. The hinge in this application is applied to refrigeration plant (like freezer etc.), and hinge upper bracket 10 in this embodiment installs on the freezer door body, and hinge lower bracket 20 installs on the freezer box.

In this embodiment, the hinge upper base 10 is hinged to the hinge lower base 20 by a connecting shaft 11; the sliding plate mechanism 30 is arranged in the lower hinge seat 20, the sliding plate 31 of the sliding plate mechanism 30 is in sliding contact fit with the upper hinge seat 10, the first limiting seat 33 is connected with the sliding plate 31, the second limiting seat 34 is positioned below the first limiting seat 33 and connected with the lower hinge seat 20, and the elastic element 32 is arranged between the first limiting seat 33 and the second limiting seat 34, so that one end of the elastic element 32 is connected with the first limiting seat 33, and the other end of the elastic element 32 is connected with the second limiting seat 34.

When the refrigerator door body is opened, the upper hinge seat 10 rotates clockwise around the connecting shaft 11, the lower hinge seat 20 is kept still, the arc surface of the lower end of the upper hinge seat 10 is tangent to the upper part of the sliding plate 31, the upper hinge seat and the sliding plate begin to bear force mutually, the lower end of the upper hinge seat 10 drives the sliding plate 31 to move downwards, and at the moment, the first limiting seat 33 compresses the elastic piece 32 downwards to enable the elastic piece 32 to have certain elastic force, so that a certain buffering effect is achieved in the door opening process; when the refrigerator door body is closed, the lower hinge seat 20 is kept still, the upper hinge seat 10 rotates anticlockwise around the connecting shaft 11, the sliding plate 31 is driven by one end of the upper hinge seat 10 to move upwards, the elastic piece 32 restores deformation at the moment, and when the door is closed within a small angle range (smaller than 45 degrees), the door is closed more slowly, the noise of closing the door is reduced, and the service life of the hinge is prolonged. And the utility model discloses a set up slide mechanism 30, set up elastic component 32 on slide 31, change when the size of elastic component 32, need not to be with the lower 20 die sinking of hinge again to the commonality of slide mechanism 30 has been improved.

As shown in fig. 2, the sliding plate 31 is disposed in an inclined surface 313 toward one end of the upper hinge seat 10, a distance between the inclined surface 313 and the connecting shaft 11 is gradually increased in a direction away from the installation side of the upper hinge seat 10, and the inclined surface 313 is in sliding contact with an edge of the installation side of the upper hinge seat 10. Specifically, in the present embodiment, the installation side of the upper hinge base 10 refers to the installation side of the upper hinge base 10 when being installed with the refrigerator door body, and the sliding plate 31 is disposed in an inclined surface 313 toward one end of the upper hinge base 10. When the refrigerator door body is opened or closed, the upper hinge seat 10 rotates around the connecting shaft 11, the inclined surface 313 of the sliding plate 31 is tangent to the edge of the installation side of the upper hinge seat 10 and stressed mutually, and in the rotating process of the upper hinge seat 10, the edge of the installation side of the upper hinge seat 10 can move along the inclined surface 313 of the sliding plate 31, so that the whole sliding plate 31 is driven to move up and down.

Moreover, first guide holes 21 are respectively formed in two sides of the lower hinge seat 20, the first guide holes 21 are arc-shaped, the inner concave surfaces of the first guide holes 21 face the installation surface of the lower hinge seat 20 and are arranged upwards, and the rotating shaft 12 penetrates through the upper hinge seat 10, is inserted into the first guide holes 21 and is matched with the hole walls of the first guide holes 21 in a sliding contact manner. Specifically, in this embodiment, the installation surface of the lower hinge base 20 refers to an installation surface of the lower hinge base 20 when being installed on the refrigerator box, the upper hinge base 10 is further provided with a rotating shaft 12 parallel to the connecting shaft 11, and the rotating shaft 12 is located below the connecting shaft 11. First guiding hole 21 has been seted up in the position department that the both sides of hinge lower base 20 correspond pivot 12 respectively, and two first guiding hole 21 symmetrical arrangement, first guiding hole 21 are the arc, and the interior concave surface of first guiding hole 21 just sets up towards the installation face of hinge lower base 20. The rotation of the upper hinge base 10 around the connecting shaft 11 can drive the rotating shaft 12 to slide in the first guiding hole 21, so that the edge of the mounting side of the upper hinge base 10 and the inclined surface 313 of the sliding plate 31 move tangentially relative to each other. The first guide hole 21 guides the movement of the rotation shaft 12 and reinforces the connection between the hinge upper and

lower seats

10 and 20.

The number of the sliding plates 31 is two, the two sliding plates 31 are respectively arranged on two sides of the hinge lower seat 20, the first limiting seat 33 is connected between the two sliding plates 31, and the second limiting seat 34 penetrates through the sliding plates 31 to be connected with the hinge lower seat 20. Specifically, in this embodiment, the number of the sliding plates 31 is two, the two sliding plates 31 are respectively disposed on two sides of the lower hinge seat 20, the two sides of the lower hinge seat 20 and the sliding plates 31 both extend in the vertical direction, and a certain gap exists between the sliding plates 31 located on the same side and the inner side wall of the lower hinge seat 20. The two sides of the first limiting seat 33 are respectively connected with the left and right sliding plates 31, and the left and right sides of the second limiting seat 34 respectively penetrate through the sliding plates 31 on the corresponding sides to be connected with the two sides of the lower hinge seat 20.

In addition, as shown in fig. 2, the two sides of the lower hinge seat 20 are provided with the fasteners 22 corresponding to the second limiting seat 34, the two sides of the second limiting seat 34 are provided with the fastening grooves 341, each sliding plate 31 is provided with a second guide hole 311, the second guide holes 311 extend along the vertical direction, the two sides of the second limiting seat 34 pass through the second guide holes 311, and the fasteners 22 are fastened with the fastening grooves 341.

Specifically, in this embodiment, each sliding plate 31 is provided with a second guiding hole 311 extending in the vertical direction, two sides of the lower hinge seat 20 are provided with a buckle 22 corresponding to two sides of the second limiting seat 34, and two sides of the second limiting seat 34 are provided with a clamping groove 341 adapted to the buckle 22, so that two sides of the second limiting seat 34 can pass through the second guiding hole 311, and the buckle 22 and the clamping groove 341 on the same side are clamped. Because the extension length of the second guide hole 311 is greater than the height of the two sides of the second limit seat 34, in the process that the sliding plate 31 moves up and down, the second limit seat 34 is connected to the two sides of the hinge lower seat 20 and keeps the position unchanged, the second guide hole 311 has a certain limit effect on the moving distance of the sliding plate 31, when the lower side wall of the second guide hole 311 contacts with the second limit seat 34, the sliding plate 31 stops moving down, and when the upper side wall of the second guide hole 311 contacts with the second limit seat 34, the sliding plate 31 stops moving up.

As shown in fig. 2, a third guide hole 312 is formed in the sliding plate 31, the third guide hole 312 extends in the vertical direction, the two sliding plates 31 are connected to both sides of the lower hinge seat 20 through the guide shaft 50, a first end of the guide shaft 50 penetrates through the sliding plate 31 to be connected to the lower hinge seat 20, and a second end of the guide shaft 50 is inserted into the third guide hole 312 and can slide in the third guide hole 312. The number of the third guide holes 312 and the number of the guide shafts 50 are plural, and the third guide holes 312 are provided in one-to-one correspondence with the guide shafts 50.

In this embodiment, each sliding plate 31 is provided with two third guiding holes 312 arranged at intervals, the four third guiding holes 312 extend along the vertical direction, and the third guiding holes 312 on the left and right sides are symmetrically arranged. The two sliding plates 31 are connected with the two sides of the lower hinge seat 20 through the guide shafts 50, the first ends of the guide shafts 50 penetrate through the sliding plates 31 to be connected with the lower hinge seat 20, the second ends of the guide shafts 50 are inserted into the third guide holes 312 and can slide in the third guide holes 312, and in addition, the third guide holes 312 also play a limiting role in the moving distance of the sliding plates 31, so that the influence on opening and closing of the door due to the fact that the moving distance of the sliding plates 31 is too large or too small is prevented.

Further, each sliding plate 31 is provided with a mounting hole 60, and two sides of the first limiting seat 33 are correspondingly mounted in the mounting holes 60 respectively. The sliding plate mechanism 30 further includes a shaft tube 40, the elastic element 32 is sleeved on the shaft tube 40, a first end of the shaft tube 40 is slidably sleeved on the first limiting seat 33, and a second end of the shaft tube 40 is connected to the second limiting seat 34. Specifically, in this embodiment, the first end of the shaft tube 40 is slidably sleeved on the first limiting seat 33, and the shaft tube 40 has a certain limiting effect on the movement of the elastic element 32. In the process of moving the sliding plate 31 up and down, the first end of the shaft tube 40 is extended from the first limit seat 33 or retracted into the first limit seat 33 by the up and down movement of the first limit seat 33, and the first limit seat 33 can compress or release the elastic element 32. Wherein the elastic member 32 is a spring.

Furthermore, the utility model also provides a refrigeration plant, this refrigeration plant include the box, the door body and as above the hinge, the door body passes through hinge joint with the box. The refrigeration equipment adopts all the technical solutions of the above embodiments, so that at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A hinge, characterized in that it comprises:

an upper hinge seat;

2. The hinge according to claim 1, wherein the end of the slide plate facing the hinge upper seat is formed as an inclined surface, the distance between the inclined surface and the connecting shaft is gradually increased in a direction away from the hinge upper seat mounting side, and the inclined surface is in sliding contact engagement with the edge of the hinge upper seat mounting side.

3. The hinge according to claim 2, wherein the lower hinge seat is provided with first guide holes on both sides thereof, the first guide holes are arc-shaped, the inner concave surfaces of the first guide holes face the mounting surface of the lower hinge seat and are arranged upward, the upper hinge seat is further provided with a rotating shaft, and the rotating shaft penetrates through the upper hinge seat and is inserted into the first guide holes and is in sliding contact with the wall of the first guide holes.

4. The hinge according to claim 1, wherein the number of the sliding plates is two, two of the sliding plates are respectively disposed at two sides of the lower hinge seat, the first position-limiting seat is connected between the two sliding plates, and the second position-limiting seat passes through the sliding plates and is connected with the lower hinge seat.

5. The hinge according to claim 4, wherein two sides of the lower hinge seat are provided with a buckle corresponding to the second position limiting seat, two sides of the second position limiting seat are provided with a slot, each sliding plate is provided with a second guiding hole, the second guiding hole extends in the vertical direction, two sides of the second position limiting seat pass through the second guiding hole, and the buckle is engaged with the slot.

6. The hinge according to claim 4, wherein the sliding plate is provided with a third guiding hole, the third guiding hole extends in an up-down direction, two sides of the sliding plate and the lower hinge seat are connected through a guiding shaft, a first end of the guiding shaft passes through the sliding plate and is connected with the lower hinge seat, and a second end of the guiding shaft is inserted into the third guiding hole and can slide in the third guiding hole.

7. The hinge according to claim 6, wherein the number of the third guide holes and the number of the guide shafts are plural, and the third guide holes are provided in one-to-one correspondence with the guide shafts.

8. The hinge according to claim 6, wherein each of the sliding plates has a mounting hole, and both sides of the first stopper seat are respectively mounted in the mounting holes.

9. The hinge according to any one of claims 1-8, wherein the sliding plate mechanism further comprises a shaft tube, the elastic member is a spring, the spring is sleeved on the shaft tube, a first end of the shaft tube is slidably sleeved on the first position-limiting seat, and a second end of the shaft tube is connected to the second position-limiting seat.

10. Refrigeration device, characterized in that it comprises a cabinet, a door and a hinge according to any one of claims 1 to 9, by means of which the door and the cabinet are hinged.