CN214035231U

CN214035231U - Door hinge and equipment with same

Info

Publication number: CN214035231U
Application number: CN202022490019.2U
Authority: CN
Inventors: 冀传关; 张守兵; 陈海涛; 刘�英; 刘伟; 宁召洋; 谭阴林; 刘雲飞
Original assignee: Qingdao Haier Biomedical Co Ltd
Current assignee: Qingdao Haier Biomedical Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-24
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a door hinge and have equipment of this door hinge, including: a mounting member having a cavity formed therein; a fixing member having a first inclined portion and a first flat portion formed on a top surface thereof; a rotating member which is provided above the fixed member and is rotatable relative to the fixed member, and on which a second inclined portion and a second flat portion are formed; a sliding limit structure is arranged between the rotating component and the mounting component; the damping device is arranged in the cavity and is connected with the rotating component; the elastic piece is arranged on the damping device, one end of the elastic piece is propped against the rotating component, and the other end of the elastic piece is propped against the damping device part; when the door is opened or closed, the rotating component drives the second inclined part to slide relative to the first inclined part, and when the rotating component rotates to the first position, the second flat part slides relative to the first flat part. Through the utility model provides a door hinge among the prior art open the door need for doing all can in order to keep the door body to open and close the big problem of door noise.

Description

Door hinge and equipment with same

Technical Field

The utility model belongs to the technical field of the hinge, concretely relates to can realize from hinge of buffering and have equipment of this hinge.

Background

The current hinge type of closing is various, there is the hinge of automatic closing door, when the current equipment door body and box are connected, mostly need pass through hinged joint, the hinge of closing door certainly that is used for the refrigerator at present has the torsional spring type, the hinge of closing door certainly such as gravity type, torsional spring nature hinge mainly makes the door body close through the reverse moment of torsion effect of torsional spring, because the moment of torsion is great, can produce great noise when closing the door, and receive torsional spring effort self-closing for preventing the door body after opening the door, need to hold up the door body always after opening the door, last to give the inconvenient access of power.

When this hinge is used for the refrigerator of closing door certainly to medicine, blood, vaccine class, because the hospital is got medicine, often hold the tray in one hand, the medicine is held in the other hand that stretches out, if the door body lasts the atress, need withstand the door with the health and prevent that the door body from pressing from both sides the hand, inconvenient operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses opening door to what hinge exists among the prior art has to last for power in order to keep the door body state of opening, the problem that the noise is big when the operation is inconvenient and close the door, the utility model provides a take damped hinge of closing the door certainly can end the position after 90 are opened to the door, need not always with hand, can realize slowly closing the door when closing the door, avoid hearing great noise.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a door hinge, comprising:

a mounting member having a cavity formed therein;

the fixing component is at least partially positioned in the cavity, and a first inclined part and a first flat part connected to the top end of the first inclined part are formed on the top surface of the fixing component;

the rotating component is positioned in the cavity, is arranged above the fixed component and can rotate relative to the fixed component along the axis of the fixed component, and a second inclined part and a second flat part connected to the bottom end of the second inclined part are formed on the bottom surface of the rotating component;

a sliding limiting structure matched with each other is arranged between the rotating component and the mounting component, so that the rotating component can synchronously rotate with the mounting component and can slide up and down relative to the mounting component;

the damping device is arranged in the cavity and connected with the rotating component so as to provide damping force when the rotating component slides downwards relative to the fixed component, and a limiting part is arranged on the damping device;

the elastic piece is arranged on the damping device, one end of the elastic piece is abutted against the rotating component, and the other end of the elastic piece is abutted against the limiting part;

when the door is opened or closed, the rotating component drives the second inclined part to slide relative to the first inclined part, and when the rotating component rotates to the first position, the second flat part slides relative to the first flat part.

Further, the rotating component is a rotating column, the fixed component is a fixed column, the circumferences of the rotating column and the fixed column are the same, and the length of the second flat portion along the circumferential direction of the rotating component is smaller than the length of the first flat portion along the circumferential direction of the fixed component.

Further, a third inclined portion is formed on the top surface of the fixed member, the first flat portion is connected between the first inclined portion and the third inclined portion, and a fourth inclined portion is provided on the rotating member, the fourth inclined portion being fitted with the third inclined portion.

Further, the first inclined portion is an inclined surface or an arc-shaped surface which is arranged in an inclined manner, and the first flat portion is a plane.

Furthermore, the sliding limiting structure comprises a sliding groove/sliding protrusion arranged on the mounting component and a sliding protrusion/sliding groove arranged on the rotating component, and the sliding groove is arranged along the axial direction of the mounting component.

Further, the damping device is a tension damper.

Furthermore, the fixed component comprises a body and a rotating protrusion formed by extending from the body, a rotating hole is formed in the rotating component, and the rotating component is inserted in the rotating protrusion through the rotating hole.

Further, still including the cartridge round pin, the last cartridge groove that is provided with of rotary part, the damping device cartridge is in the cartridge inslot is equipped with the cartridge hole that runs through the cartridge groove setting in cartridge groove both sides be equipped with on the damping device and pass the hole, the cartridge round pin alternates the cartridge hole with pass on the hole with the locking fixed rotary part with damping device.

Furthermore, the damping device also comprises a limiting part which is fixedly arranged on the mounting part and positioned above the damping device.

The equipment comprises a first component and a second component capable of rotating relative to the first component, and is characterized by further comprising the door hinge in the technical scheme, wherein the mounting component is fixedly connected with the first component, and the fixing component is fixedly connected with the second component.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the utility model provides a door hinge sets up first rake and the flat portion of second on rotary part, set up second rake and the flat portion of second on fixed part, when carrying out the door body and opening, can make rotary part relatively fixed part rotate, and realize that rotary part shifts up and the rotation of the door body is opened through the relative second rake sliding fit of first rake, when rotary part rotates the relative first flat portion sliding position department of the flat portion of second, then can make the door body keep the state of opening for a long time, can not self-closing, then can make the user need not to give power to the door body continuously when using like this, made things convenient for the user to take the operation of article;

when the door body is closed, the rotating part can be slowly moved downwards relative to the fixed part under the action of the damping device, so that the problem of high noise caused by large instant door closing stress of the door body is avoided.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

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

FIG. 1 is an overall structure diagram of a door hinge according to an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the engagement between the rotating member and the fixing member of the door hinge according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of a mounting member of a door hinge according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a fixing member of a door hinge according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a rotating component of a door hinge according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides an embodiment of door hinge, it is shown with reference to fig. 1-6, including:

the mounting member 100 has a cavity 110 formed inside the mounting member 100, and preferably, the mounting member 100 is a mounting case, which is a circular mounting case, and the cavity 110 is formed inside the mounting case.

The fixing member 200 is at least partially located in the cavity 110, and the fixing member 200 in this embodiment is a fixing connector, which can be connected with the box of the device and then fixed.

The top surface of the fixing member 200 is formed with a first inclined portion 210 and a first flat portion 220 connected to the top end of the first inclined portion 210.

The securing member 200 is in some embodiments configured to:

comprises the following steps: the body 240 and a rotating protrusion 250 formed by extending from the body 240, wherein the rotating protrusion 250 is a rotating shaft formed by extending upward from the body 240.

The rotating component 300 is located in the cavity 110, is disposed above the fixed component 200 and can rotate relative to the fixed component 200 along the axis of the fixed component 200, and when the rotating component 300 is specifically disposed, a rotating hole 340 is formed in the rotating component 300, and the rotating component 300 is inserted into the rotating protrusion 250 through the rotating hole 340.

The bottom surface of the rotating member 300 is correspondingly fitted with the top surface of the fixing member 200 after being inserted into the rotating protrusion 250.

And preferably, the rotating member 300 is a rotating column, and the fixed member 200 is a fixed column having the same profile as that of the rotating column.

Specifically, a second inclined portion 310 and a second flat portion 320 connected to a bottom end of the second inclined portion 310 are formed on a bottom surface of the rotating member 300; the fixing member 200 at a position opposite to the second flat portion 320 is provided with a third flat portion 260, the rotating member 300 at a position corresponding to the first flat portion 220 is correspondingly provided with a fourth flat portion 350, when the door body is in a closed state, the second flat portion 320 and the third flat portion 260 are fitted and attached, the first inclined portion 210 and the second inclined portion 310 are fitted and attached, and the first flat portion 220 and the fourth flat portion 350 are fitted and attached.

Preferably, the first flat portion 220 has a length in the circumferential direction of the fixing member 200 greater than that of the second flat portion 320 in the circumferential direction of the rotating member 300. This may enable the second flat portion 320 to slide a certain distance along the first flat portion 220.

A sliding limit structure is arranged between the rotating component 300 and the mounting component 100, so that the rotating component 300 can synchronously rotate with the mounting component 100 and can slide up and down relative to the mounting component 100;

preferably, the sliding limiting structure in this embodiment includes a sliding groove 410/a sliding protrusion 420 provided on the mounting member 100 and a sliding protrusion 420/a sliding groove 410 provided on the rotating member 300, and the sliding groove 410 is formed along the axial direction of the mounting member 100.

For convenience of description, in the present embodiment, the rotating member 300 is provided with the sliding protrusion 420, and the mounting member 100 is provided with the sliding slot 410 for illustration, the rotating member 300 is inserted into the sliding slot 410 through the sliding protrusion 420, so that the rotating member can slide up and down relative to the mounting member 100, and since the sliding slot 410 is formed along the axial direction of the mounting member 100 during the installation, the rotating member 300 can be driven to rotate when the mounting member 100 rotates.

And a damping device 500 disposed in the cavity 110 and connected to the rotating member 300 to provide a damping force when the rotating member 300 slides downward relative to the fixed member 200, wherein a position-limiting portion 510 is disposed on the damping device 500, and the position-limiting portion 510 may be disposed as a position-limiting table on the top of the damping device 500.

Since the damping device 500 is connected to the rotating member 300, when the rotating member 300 moves up and down, the damping device 500 is inevitably driven to move up and down, and in order to achieve the synchronous operation of the damping device 500 and the rotating member 300, in this embodiment, the corresponding sliding groove 410/sliding protrusion 420 matched with the sliding protrusion 420/sliding groove 410 on the mounting member 100 is also provided on the damping device 500, so that the damping device 500 can slide up and down relative to the mounting member 100.

Preferably, the damping device 500 in this embodiment is a tension damper. The tensile force damper can generate damping force only when being acted by tensile force, and can not generate damping force when being acted by compression force.

The elastic member 600 is disposed on the damping device 500, one end of the elastic member is abutted against the rotating member 300, and the other end of the elastic member is abutted against the limiting portion 510, and the elastic member 600 is preferably a spring and is sleeved on the damping device 500.

When the door is opened, the rotating component 300 drives the second inclined part 310 to slide upwards relative to the first inclined part 210, when the rotating component rotates to the first position, the second flat part 320 slides relative to the first flat part 220, and when the door is closed, the rotating component 300 drives the first inclined part 210 to slide downwards relative to the second inclined part 310.

Specifically, when opening the door, the door body is fixedly connected with the mounting part 100, the door body rotates, the mounting part 100 is driven to rotate, the mounting part 100 drives the rotating part 300 in sliding fit to rotate, when the rotating part 300 rotates, the second inclined part 310 arranged on the bottom surface of the rotating part slides relative to the first inclined part 210, because the first inclined part 210 and the second inclined part 310 are in inclined surface fit, the rotating part 300 can move upwards relative to the fixing part 200, the rotating part 300 moves upwards relative to the mounting part 100 through the sliding protrusion 420, when the first position is reached, the first position is set to be the position where the door body opens 90 degrees in the embodiment, after the rotating part 300 rotates 90 degrees, the second flat part 320 above the rotating part correspondingly rotates to the position of the first flat part 220, and slides along the first flat part 220, and the door body can be opened by more than 90 degrees.

When the rotating component 300 moves upwards, the elastic component 600 is compressed, when the rotating component moves to the position where the first flat part 220 is matched with the second flat part 320, only the acting force in the elastic vertical direction is applied to the rotating component 300, and because the rotating component 300 is matched with the fixed component 200 in a plane, no component force acts on the inclined plane of the rotating component 300, the rotating component 300 cannot slide relative to the fixed component 200, so that the door body can be always kept in an open state, and the door body cannot be automatically closed.

When the door body needs to be closed, at this moment, promote the door body, make the contained angle between the door body and the box be less than 90 degrees, at this moment, rotating part 300 then corresponds and be the slope cooperation between the fixed part 200, the component force of the elastic compression force of elastic component 600 and the action of gravity of door on the inclined plane, can promote the door to close, because first slope 210 and second slope 310 are the inclined plane cooperation, then can fast incline the gliding when receiving the effort, through setting up a pulling force damping device 500 in this embodiment, make the door body rotating part 300 tensile rotating part 300 that moves down when closing, to rotating part 300 production damping force, and then make the gentle downstream of rotating part 300 relative fixed part 200, thereby the speed of closing the door has been reduced, reach the effect of the silence of closing the door.

In order to allow the door hinge of the present embodiment to simultaneously implement two-sided door opening, such as left-sided door opening and right-sided door opening, when the door hinge is assembled to the door body, a third inclined portion 230 is further formed on the top surface of the fixing member 200, the first flat portion 220 is connected between the first inclined portion 210 and the top end of the third inclined portion 230, and the third flat portion 260 is located between the first inclined portion 210 and the bottom end of the third inclined portion 230.

The rotating member 300 is provided with a second flat portion 320, and the second flat portion 320 is fitted with the third inclined portion 230. Between the second flat portion 320 and the bottom end of the second inclined portion 310 is a second flat portion 320.

The third flat portion 260 is connected between the second flat portion 320 and the top of the second inclined portion 310.

When the other side door is opened, the second flat portion 320 slides with respect to the first flat portion 220 by the third inclination and the second flat portion 320 being engaged.

Preferably, the first inclined portion 210 is an inclined slope or an arc-shaped surface arranged obliquely, and the first flat portion 220 is a plane. The second inclined portion 310, the third inclined portion 230, and the third inclined portion 230 are also inclined surfaces or arc-shaped surfaces, and the second flat portion 320, and the fourth flat portion 350 are also correspondingly flat surfaces.

In order to realize the connection fixation of the rotating component 300 and the damping device 500, in this embodiment, a plug pin is correspondingly provided, a plug groove is provided on the rotating component 300, the damping device 500 is plugged in the plug groove, plug holes penetrating through the plug groove are provided on two sides of the plug groove, a through hole is provided on the damping device 500, and the plug pin is inserted in the plug hole and on the through hole to lock and fix the rotating component 300 and the damping device 500.

When the rotating component 300 moves upward, the elastic component 600 is compressed, the elastic component 600 applies a force to the damping device 500, in order to prevent the damping device 500 from moving after being stressed, the limiting component 700 is correspondingly disposed in the embodiment to limit the damping device 500, and the limiting component 700 is fixedly disposed on the mounting component 100 and located above the damping device 500. When the installation structure is installed, a limiting hole may be formed in the installation member 100, and the limiting member 700 is inserted into the limiting hole. The limiting part 700 may be a limiting block or a limiting pin, and the like, and is not limited in particular.

The embodiment further provides a device, which includes a first component and a second component capable of rotating relative to the first component, and further includes a door hinge in the above technical solution, the mounting component 100 is fixedly connected with the first component, and the fixing component 200 is fixedly connected with the second component.

The equipment in this embodiment can be all for the cabinet body of mountable hinge such as refrigerator, freezer and other, and when setting up, first part can be corresponding for the door body, and the second part can be corresponding for the box, and when using like this, the accessible door body rotates and drives installation component 100 and rotary part 300 and rotate with the rotation of the relative box of realization door body and open or be closed relatively fixed part 200.

In the door hinge in the embodiment, the rotating component 300 is provided with the first inclined part 210 and the second flat part 320, the fixed component 200 is provided with the second inclined part 310 and the second flat part 320, when the door body is opened, the rotating component 300 can rotate relative to the fixed component 200, the rotating component 300 moves upwards and the door body is opened in a rotating mode through the sliding fit of the first inclined part 210 relative to the second inclined part 310, when the rotating component 300 rotates to the sliding position of the second flat part 320 relative to the first flat part 220, the door body can be kept in a long-open state and cannot be automatically closed, so that a user does not need to give continuous force to the door body when using the door body, and the user can conveniently take articles;

when the door body is closed, the rotating part 300 can be slowly moved downwards relative to the fixed part 200 under the action of the damping device 500, so that the problem of high noise caused by large instant door closing stress of the door body is avoided.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A door hinge, comprising:

a mounting member having a cavity formed therein;

2. The door hinge according to claim 1, wherein the rotating member is a rotary post, the fixing member is a fixed post, the circumferences of the rotary post and the fixed post are the same, and the length of the second flat portion in the circumferential direction of the rotating member is smaller than the length of the first flat portion in the circumferential direction of the fixing member.

3. The door hinge according to claim 1, wherein a third inclined portion is further formed on the top surface of the fixing member, the first flat portion is connected between the first and third inclined portions, and a fourth inclined portion is provided on the rotating member, the fourth inclined portion being fitted with the third inclined portion.

4. The door hinge according to claim 3, wherein the first inclined portion is an inclined slope or an arc-shaped surface arranged obliquely, and the first flat portion is a plane.

5. A door hinge according to any one of claims 2 to 4, wherein the sliding stop arrangement comprises a sliding groove/projection provided on the mounting member and a sliding projection/sliding groove provided on the rotary member, the sliding groove opening in the axial direction of the mounting member.

6. A door hinge according to claim 5, wherein the damping means is a tension damper.

7. The door hinge according to claim 5, wherein the fixing member includes a body and a rotary protrusion extending from the body, the rotary member has a rotary hole, and the rotary member is inserted into the rotary protrusion through the rotary hole.

8. The door hinge according to claim 5, further comprising a plug pin, wherein the rotating member is provided with a plug groove, the damping device is plugged in the plug groove, plug holes penetrating the plug groove are formed in two sides of the plug groove, a through hole is formed in the damping device, and the plug pin is plugged in the plug holes and the through hole to lock and fix the rotating member and the damping device.

9. The door hinge according to claim 4, further comprising a stop member fixedly disposed on the mounting member above the damping device.

10. An apparatus comprising a first part and a second part which is rotatable relative to the first part, characterised by a door hinge according to any of claims 1 to 9, the mounting part being fixedly connected to the first part and the fixing part being fixedly connected to the second part.