CN117513906A - Refrigerator hinge capable of hovering at any angle and refrigerator provided with same - Google Patents
Refrigerator hinge capable of hovering at any angle and refrigerator provided with same Download PDFInfo
- Publication number
- CN117513906A CN117513906A CN202311354922.8A CN202311354922A CN117513906A CN 117513906 A CN117513906 A CN 117513906A CN 202311354922 A CN202311354922 A CN 202311354922A CN 117513906 A CN117513906 A CN 117513906A
- Authority
- CN
- China
- Prior art keywords
- cabinet door
- refrigerator
- rotary
- hinge
- hinge plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/08—Friction devices between relatively-movable hinge parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a refrigerator hinge capable of hovering at any angle and a refrigerator provided with the refrigerator hinge, and relates to the technical field of refrigerators, comprising an upper hinge plate and a lower hinge plate which are rotatably arranged, an elastic device arranged between the upper hinge plate and the lower hinge plate and a rotary damping structure; the elastic device comprises a first gear fixedly arranged on the first rotating shaft, a second gear fixedly arranged on the second rotating shaft and meshed with the first gear, a rotating rod, two rotating loop bars sleeved on the rotating rod and a compression spring always clamped between the two rotating loop bars; when the rotary rod is rotated, the two rotary loop bars slide in opposite directions or in opposite directions; the rotation damping structure includes a third rotation shaft rotatably mounted on the lower hinge plate, a ratchet mechanism, and a rotation damper. Through the cooperation of rotatory damping structure and ratchet to realized that the cabinet door is opened easily, can hover or slowly fall at any angle simultaneously, avoid the tong that the cabinet door drops fast and brings.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator hinge capable of hovering at any angle and a refrigerator provided with the refrigerator hinge.
Background
The freezer is a top-open product, and the cabinet door needs to be slowly opened and closed. The refrigerator hinge plays an important role in opening the cabinet door, and the existing refrigerator hinge has the following problems: 1. the cabinet door is difficult to open due to dead weight in the process of opening; 2. when the cabinet door is closed, the cabinet door can rapidly fall down due to dead weight, particularly the cabinet door such as a glass cabinet door and the like, the hinge spring has limited effect, the falling speed can not be effectively prevented, and the safety problems such as clamping and the like are easy to occur.
Disclosure of Invention
The invention aims to provide a refrigerator hinge capable of hovering at any angle and a refrigerator provided with the refrigerator hinge, and the refrigerator door is easy to open by matching a rotary damping structure and a ratchet mechanism, and meanwhile, the refrigerator hinge can hover at any angle or slowly fall down, so that a clamping hand caused by rapid falling of the refrigerator door is avoided.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a refrigerator hinge capable of hovering at any angle comprises an upper hinge plate and a lower hinge plate which are rotatably installed together, an elastic device and a rotary damping structure, wherein the elastic device and the rotary damping structure are arranged between the upper hinge plate and the lower hinge plate; the upper hinge plate is fixedly provided with a first rotating shaft, the lower hinge plate is rotatably provided with a second rotating shaft, and the first rotating shaft is connected with the second rotating shaft through a hinge connecting ring; the elastic device comprises a first gear fixedly arranged on the first rotating shaft, a second gear fixedly arranged on the second rotating shaft and meshed with the first gear, a rotating rod, two rotating loop bars sleeved on the rotating rod and a compression spring always clamped between the two rotating loop bars; the rotating rod is fixed on the second rotating shaft, and two spiral tracks with opposite rotation directions are arranged at two ends of the outer surface of the rotating rod; the rotary loop bar is slidably arranged on the lower hinge plate, guide posts are fixed on the rotary loop bar, and the two guide posts are slidably arranged in different spiral tracks respectively; when the rotary rod is rotated, the two rotary sleeve rods compress or release the compression spring; the rotary damping structure comprises a third rotary shaft, a ratchet mechanism and a rotary damper which are rotatably arranged on the lower hinge plate; a third gear is fixedly arranged on the third rotating shaft and meshed with the second gear; the pawl and the ratchet wheel of the ratchet mechanism are connected with the rotary damper and the third rotary shaft, and when the two rotary sleeve rods release the compression springs, the pawl and the ratchet wheel are not locked.
The ratchet mechanism comprises a ratchet gear ring, a ratchet inner frame, a pawl and an elastic sheet, wherein the pawl and the elastic sheet are arranged on the ratchet inner frame and matched with the ratchet gear ring, the ratchet gear ring is fixed to the rotary damper through a damping connecting sleeve, and the ratchet inner frame is fixedly connected with the third rotary shaft.
Wherein, be provided with the through wires hole on the rotatory attenuator, the third rotation axis passes the through wires hole and with the through wires hole does not produce friction.
And a sliding bearing is arranged between the bottom of the guide post and the spiral track.
The lower hinge plate is provided with a guide rail, and the rotary loop bar is slidably mounted on the guide rail.
The refrigerator provided with the refrigerator hinge capable of hovering at any angle comprises a refrigerator body and a refrigerator door, wherein the refrigerator hinge is arranged on one side of the refrigerator body and one side of the refrigerator door, the upper hinge plate is fixedly arranged on the refrigerator door, the lower hinge plate is fixedly arranged on the refrigerator body, and when the refrigerator door is buckled on the refrigerator body, the distance between the two rotary sleeve rods is the minimum value.
When the upper hinge plate is parallel to the lower hinge plate, the cabinet door is buckled on the cabinet body.
The method for determining the torque value T hinge of the refrigerator hinge comprises the following steps of: s1: firstly, calculating a torque value T of a cabinet door Cabinet door The method comprises the steps of carrying out a first treatment on the surface of the S2: according to the torque value T of the cabinet door Cabinet door And the torque value T of the rotary damper of the refrigerator hinge is adjusted according to the effect achieved by the cabinet door Hinge Is of a size of (2); when T is Cabinet door >T Hinge When the cabinet door is slowly closed, when T Cabinet door <T Hinge When the cabinet door is in use, the cabinet door can hover at will.
Wherein, the torque value T of the cabinet door Cabinet door Is calculated according to the formula: t (T) Cabinet door ＝L Cabinet door /2*G Cabinet door ,G Cabinet door ＝m Cabinet door g; wherein T is Cabinet door Is torque of cabinet door L Cabinet door Is the length of the cabinet door G Cabinet door Is the gravity and m of the cabinet door Cabinet door The weight and g of the cabinet door are gravity acceleration.
After the technical scheme is adopted, the invention has the beneficial effects that:
according to the refrigerator hinge capable of hovering at any angle, the elastic device and the rotary damping structure are arranged, the compression spring of the elastic device is in a compression state initially, when the refrigerator hinge rotates, elastic potential energy is released, rotary motion is changed into swing of the upper hinge plate, and the refrigerator door is assisted to be opened; the ratchet mechanism of the rotary damping structure realizes that the rotary damper does not work when the cabinet door is opened, and generates damping force when the cabinet door is closed, thereby realizing slow falling or hovering of the cabinet door.
In order to ensure that the ratchet mechanism is stable and reliable, the ratchet mechanism comprises a ratchet gear ring, a ratchet inner frame, pawls and elastic sheets which are arranged on the ratchet inner frame and matched with the ratchet gear ring, wherein the ratchet gear ring is fixedly connected with a rotary damper through a damping connecting sleeve, and the ratchet inner frame is fixedly connected with a third rotary shaft.
In order to avoid the third rotation shaft, a threading hole is provided in the damper shaft.
In order to make the torque value of the rotary damper adjustable, a torsion adjusting nut is provided.
In order to ensure that the rotary loop bar is driven more stably and reduce friction, a sliding bearing is arranged between the bottom of the guide post and the spiral track.
In order to ensure that the running position of the rotary loop bar is more accurate, a guide rail is arranged on the lower hinge plate, and the rotary loop bar is slidably arranged on the guide rail.
The torque value of the refrigerator hinge is reasonably adjusted, so that corresponding effects are achieved.
The refrigerator hinge capable of hovering at any angle and the refrigerator provided with the refrigerator hinge solve the technical problem that the refrigerator hinge in the prior art cannot simultaneously meet the requirements of damping to avoid clamping when a cabinet door is opened easily and closed.
Drawings
FIG. 1 is a schematic view of a refrigerator hinge capable of hovering at any angle;
FIG. 2 is a side cross-sectional view of the intermediate position of FIG. 1;
FIG. 3 is a schematic structural view of a ratchet mechanism;
fig. 4 is a schematic structural view of the rotary damper.
In the figure, 1, an upper hinge plate, 11, a first rotation shaft, 2, a lower hinge plate, 21, a second rotation shaft, 23, a guide rail, 231, a guide rail groove, 3, an elastic device, 31, a first gear, 32, a second gear, 33, a rotation lever, 331, a rotation snap ring, 332, a spiral track, 34, a rotation sleeve, 341, a slider, 342, a guide post, 35, a compression spring, 4, a rotation damping structure, 41, a third rotation shaft, 42, a ratchet mechanism, 421, a ratchet ring, 422, a ratchet inner frame, 423, a pawl, 424, a spring piece, 43, a rotation damper, 431, a damper housing, 432, a damper shaft, 433, a friction plate group, 434, a bolt, 4341, a torque adjusting nut, 435, a threading hole, 44, a third gear, 45, a damping connecting sleeve, 51, a hinge connecting ring.
Detailed Description
The invention is further elucidated below in conjunction with the accompanying drawings.
The orientations related in the specification are all based on the orientations of the refrigerator hinge capable of hovering at any angle and the refrigerator provided with the refrigerator hinge during normal operation, the orientations during storage and transportation are not limited, and only the relative positional relationship is represented, and the absolute positional relationship is not represented.
As shown in fig. 1 and 2 together, a hinge for a refrigerator capable of hovering at any angle comprises an upper hinge plate 1 and a lower hinge plate 2 rotatably installed together, an elastic device 3 arranged between the upper hinge plate 1 and the lower hinge plate 2, and a rotary damping structure 4.
The upper hinge plate 1 is provided with mounting holes for fixed mounting. The upper hinge plate 1 is fixedly provided with a first rotating shaft 11, and both ends of the first rotating shaft 11 are fixed on the upper hinge plate 1, so that the first rotating shaft 11 and the upper hinge plate 1 integrally rotate without relative movement therebetween. The lower hinge plate 2 is rotatably provided with the second rotating shaft 21, the second rotating shaft 21 is connected with the first rotating shaft 11 through the hinge connecting ring 51, and a gap exists between the hinge connecting ring 51 and the first rotating shaft 11 as well as between the hinge connecting ring 51 and the second rotating shaft 21, so that the hinge connecting ring 51 only plays a role in limiting the relative positions of the first rotating shaft 11 and the second rotating shaft 21, and no acting force is generated.
The elastic means 3 comprises a first gear 31, a second gear 32, a rotating rod 33, two rotating loop bars 34 sleeved on the rotating rod 33 and a compression spring 35 always clamped between the two rotating loop bars 34.
The first gear 31 is fixed on the first rotation shaft 11, the second gear 32 is fixed on the second rotation shaft 21, the first gear 31 is meshed with the second gear 32, when the upper hinge plate 1 rotates 90 degrees, the first rotation shaft 11 rotates around the second rotation shaft 21 under the connection of the hinge connection ring 51, the first gear 31 drives the second gear 32 to rotate in the rotation process, and the second gear 32 rotates to drive the second rotation shaft 21 to rotate.
The rotating lever 33 is fixed to the second rotating shaft 21 by a rotating snap ring 331, and the rotating lever 33 is fixed to the second rotating shaft 21 by screw locking, so that the rotating lever 33 rotates together with the second rotating shaft 21. Two spiral tracks 332 with opposite rotation directions are arranged at two ends of the outer surface of the rotating rod 33.
The rotary sleeve rod 34 is slidably mounted on the lower hinge plate 2, a guide rail 23 is provided on the lower hinge plate 2, and the guide rail 23 is fixed on the lower hinge plate 2 by using a screw. The guide rail 23 is provided with a guide rail groove 231, the bottom of the rotating loop bar 34 is provided with a sliding block 341 corresponding to the guide rail groove 231,
the slider 341 is slidably mounted in the rail groove 231, thereby realizing the sliding mounting of the swivel lever 34 on the rail 23. A guide post 342 is fixed on the rotary sleeve rod 34, and the two guide posts 342 are respectively and slidably arranged in different spiral tracks 332; when the rotating lever 33 is rotated, the two rotating levers 34 slide toward or away from each other.
The compression spring 35 is fitted over the rotation lever 33 and sandwiched between the two rotation levers 34, and the compression spring 35 is compressed or released by the sliding of the two rotation levers 34. The compression spring 35 on the second rotation shaft 21 receives pressure to slow down the falling, so that the gravity generated by the cabinet door is far greater than the elastic force of the compression spring 35 in order to avoid the falling obstacle of the cabinet door.
Further, in order to reduce the sliding friction force, a sliding bearing is provided between the bottom of the guide post 342 and the spiral rail 332, thereby ensuring smooth sliding.
The rotation damping structure 4 includes a third rotation shaft 41 rotatably mounted on the lower hinge plate 2, a ratchet mechanism 42, and a rotation damper 43.
A third gear 44 is fixedly mounted on the third rotation shaft 41, and the third gear 44 is engaged with the second gear 32. The diameter of the third gear 44 may be adjusted according to the installation position, and gears having different diameters may be selected for the third gear 44 and the second gear 32. When the second gear 32 rotates, the third gear 44 is driven to rotate, and the third rotation shaft 41 is driven to rotate.
The pawl 423 of the ratchet mechanism 42 and the ratchet are connected one to the rotation damper 43 and the other to the third rotation shaft 41. When the two rotating loop bars 34 move oppositely, no acting force is generated between the pawl 423 and the ratchet wheel, namely when the elastic device 3 releases the force, the ratchet wheel rotates in the process of opening the cabinet door, and the ratchet wheel is not in a locking state and idles reversely, so that the third rotating shaft 41 rotates without damping effect; however, when the two rotary loop bars 34 move in opposite directions, the pawl 423 and the ratchet wheel generate a force in the process of closing the door, and the ratchet wheel is in a locking state and rotates synchronously with the pawl 423, so that the rotary damper 43 is driven to work, and a damping effect is formed.
As shown in fig. 3, the ratchet mechanism 42 may adopt a pawl 423 and a ratchet structure in the prior art, may be adaptively installed according to the above-mentioned effect, and may adopt a ratchet with an external tooth structure, the pawl 423 being located outside the ratchet; in this embodiment, the ratchet mechanism 42 includes a ratchet ring 421 (corresponding to a ratchet), a ratchet inner frame 422, a pawl 423 and a spring 424 mounted on the ratchet inner frame 422 and engaged with the ratchet ring 421, the ratchet ring 421 fixes the rotary damper 43 through a damping connection sleeve 45, the damping connection sleeve 45 is a hollow cylinder, the ratchet ring 421 is fixedly mounted at one end of the damping connection sleeve 45 through a bolt, and the other end of the damping connection sleeve 45 is fixedly connected with the rotary damper 43 through a bolt.
As shown in fig. 4, the rotary damper 43 includes a damper housing 431 and a damper shaft 432 rotatably mounted on the damper housing 431, the damper housing 431 is fixed to the lower hinge plate 2, a friction plate group 433 is provided between the damper shaft 432 and the damper housing 431, and the damper shaft 432 is fixedly connected to the damper connecting sleeve 45.
When the ratchet mechanism 42 is loaded, the ratchet ring 421 rotates, the damper shaft 432 is driven to rotate by the damper connecting sleeve 45, friction is generated by the friction plate group 433, and a damping effect is formed. By forming the threading hole 435 in the rotation damper 43, the avoidance of the third rotation shaft 41 is formed, and when the ratchet mechanism 42 idles, the undamped effect is achieved.
The damper shaft 432 is connected with the damper shell 431 through bolts 434, bolt holes are formed in the damper shaft 432 and the damper shell 431, the diameters of the bolt holes are larger than those of the bolts 434, and friction plates are clamped between the bolt 434 head and the damper shaft 432, between the damper shaft 432 and the damper shell 431 and between torsion adjusting nuts 4341 on the bolt 434 and the damper shell 431. The torque adjusting nut 4341 is screwed down to squeeze the friction plate, thereby adjusting the damping force.
The rotary damper 43 has various structures in the prior art, and is not limited to the structure in the present embodiment, and may be adaptively modified according to the rotary damper 43 in the prior art in practical applications.
The rotation damper 43 is provided with a threading hole 435, the third rotation shaft 41 passes through the threading hole 435, and a gap is provided between the threading hole 435 and the third rotation shaft 41, so that no force is generated. In this embodiment, the threading hole 435 is formed at the center of the bolt 434.
For damping stabilization, the ratchet mechanism 42 and the rotary damper 43 are provided in two, symmetrically disposed on both sides of the third rotation shaft 41, respectively.
Embodiment two:
a refrigerator provided with a refrigerator hinge capable of hovering at any angle in the first embodiment comprises a refrigerator body and a refrigerator door, wherein the refrigerator hinge is arranged on one side of the refrigerator body and one side of the refrigerator door, an upper hinge plate 1 is fixedly arranged on the refrigerator door, and a lower hinge plate 2 is fixedly arranged on the refrigerator body.
Initial state: the cabinet door is buckled on the cabinet body, at the moment, the upper hinge plate 1 is parallel to the lower hinge plate 2, no rotation angle exists, the distance between the two rotary sleeve rods 34 is the minimum value, and the potential energy of the compression spring 35 is the maximum.
Door open state:
when the cabinet door is opened, the cabinet door drives the upper hinge plate 1 to rotate, when the upper hinge plate 1 rotates by 90 degrees, the first rotary shaft 11 rotates around the second rotary shaft 21 under the connection of the hinge connection ring 51, the first gear 31 drives the second gear 32 to rotate in the rotating process, the second gear 32 rotates to drive the second rotary shaft 21 to rotate, the second rotary shaft 21 rotates to drive the rotary rod 33 to rotate, under the action of the spiral track 332 and the guide rail 23, the two rotary sleeve rods 34 slide back to back and gradually move away from each other, the compression spring 35 is gradually released, so that the effect of assisting in opening the door by the compression spring 35 is achieved, and the door is conveniently opened.
In the door opening process, the second gear 32 rotates to drive the third gear 44 to rotate, so as to drive the third rotating shaft 41 to rotate, and at this time, the ratchet ring 421 is not in a locked state and idles reversely, so that the third rotating shaft 41 rotates without damping acting force.
Door closing state:
when the cabinet door is closed, the second gear 32 reversely rotates, the third gear 44 reversely rotates, the third rotary shaft 41 is driven to reversely rotate, the pawl 423 and the ratchet gear ring 421 generate thrust, the ratchet gear ring 421 is in a locking state at the moment, the ratchet gear ring 421 synchronously rotates along with the pawl 423 to drive the rotary damper 43 to work, damping effect is achieved, and slow falling or hovering of the cabinet door at any angle is achieved.
In this embodiment, when the upper hinge plate 1 is parallel to the lower hinge plate 2, the cabinet door is buckled on the cabinet body. In practical application, the cabinet can be adjusted according to the installation position or the cabinet body structure, and other structures are correspondingly adjusted when the initial position is that the upper hinge plate 1 is vertical to the lower hinge plate 2.
Torque value T of refrigerator hinge Hinge The size determining method comprises the following steps:
s1: firstly, calculating a torque value T of a cabinet door Cabinet door ；
Torque value T of cabinet door Cabinet door Is calculated according to the formula: t (T) Cabinet door ＝L Cabinet door /2*G Cabinet door ,G Cabinet door ＝m Cabinet door g; wherein T is Cabinet door Is torque of cabinet door L Cabinet door Is the length of the cabinet door G Cabinet door Is the gravity and m of the cabinet door Cabinet door The weight and g of the cabinet door are gravity acceleration.
S2: according to the torque value T of the cabinet door Cabinet door And the torque value T of the rotary damper of the refrigerator hinge is adjusted according to the effect achieved by the cabinet door Hinge Is of a size of (2); when T is Cabinet door >T Hinge When the cabinet door is slowly closed, when T Cabinet door <T Hinge When the cabinet door is in use, the cabinet door can hover at will.
The refrigerator hinge capable of hovering at any angle and the refrigerator provided with the refrigerator hinge solve the technical problem that the refrigerator hinge in the prior art cannot simultaneously meet the requirements of damping to avoid clamping when a cabinet door is opened easily and closed.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. A refrigerator hinge that can hang by arbitrary angle, its characterized in that: comprises an upper hinge plate and a lower hinge plate which are rotatably installed together, an elastic device and a rotary damping structure which are arranged between the upper hinge plate and the lower hinge plate;
the upper hinge plate is fixedly provided with a first rotating shaft, the lower hinge plate is rotatably provided with a second rotating shaft, and the first rotating shaft is connected with the second rotating shaft through a hinge connecting ring;
the elastic device comprises a first gear fixedly arranged on the first rotating shaft, a second gear fixedly arranged on the second rotating shaft and meshed with the first gear, a rotating rod, two rotating loop bars sleeved on the rotating rod and a compression spring always clamped between the two rotating loop bars;
the rotating rod is fixed on the second rotating shaft, and two spiral tracks with opposite rotation directions are arranged at two ends of the outer surface of the rotating rod; the rotary loop bar is slidably arranged on the lower hinge plate, guide posts are fixed on the rotary loop bar, and the two guide posts are slidably arranged in different spiral tracks respectively; when the rotary rod is rotated, the two rotary sleeve rods compress or release the compression spring;
the rotary damping structure comprises a third rotary shaft, a ratchet mechanism and a rotary damper which are rotatably arranged on the lower hinge plate; a third gear is fixedly arranged on the third rotating shaft and meshed with the second gear; the pawl and the ratchet wheel of the ratchet mechanism are connected with the rotary damper and the third rotary shaft, and when the two rotary sleeve rods release the compression springs, the pawl and the ratchet wheel are not locked.
2. The refrigerator hinge capable of hovering at any angle according to claim 1, wherein: the ratchet mechanism comprises a ratchet gear ring, a ratchet inner frame, a pawl and a spring plate, wherein the pawl and the spring plate are arranged on the ratchet inner frame and matched with the ratchet gear ring, the ratchet gear ring is fixed to the rotary damper through a damping connecting sleeve, and the ratchet inner frame is fixedly connected with the third rotary shaft.
3. The refrigerator hinge capable of hovering at any angle according to claim 1, wherein: the rotary damper is provided with a threading hole, and the third rotary shaft passes through the threading hole and does not generate friction with the threading hole.
4. The refrigerator hinge capable of hovering at any angle according to claim 1, wherein: and a sliding bearing is arranged between the bottom of the guide post and the spiral track.
5. The refrigerator hinge capable of hovering at any angle according to claim 1, wherein: the lower hinge plate is provided with a guide rail, and the rotary sleeve rod is slidably mounted on the guide rail.
6. A refrigerator incorporating a refrigerator hinge according to any one of claims 1 to 5, hovering at any angle, characterised in that: the refrigerator comprises a refrigerator body and a refrigerator door, wherein the refrigerator hinge is arranged on one side of the refrigerator body and one side of the refrigerator door, the upper hinge plate is fixedly arranged on the refrigerator door, the lower hinge plate is fixedly arranged on the refrigerator body, and when the refrigerator door is buckled on the refrigerator body, the distance between the two rotary loop bars is the minimum value.
7. The refrigerator equipped with the refrigerator hinge capable of hovering at any angle according to claim 6, wherein: when the upper hinge plate is parallel to the lower hinge plate, the cabinet door is buckled on the cabinet body.
8. The refrigerator equipped with the refrigerator hinge capable of hovering at any angle according to claim 6, wherein: refrigerator hingeTorque value T of (2) Hinge The size determining method comprises the following steps:
s1: firstly, calculating a torque value T of a cabinet door Cabinet door ；
S2: according to the torque value T of the cabinet door Cabinet door And the torque value T of the rotary damper of the refrigerator hinge is adjusted according to the effect achieved by the cabinet door Hinge Is of a size of (2); when T is Cabinet door >T Hinge When the cabinet door is slowly closed, when T Cabinet door <T Hinge When the cabinet door is in use, the cabinet door can hover at will.
9. The refrigerator equipped with the refrigerator hinge capable of hovering at any angle according to claim 8, wherein: torque value T of cabinet door Cabinet door Is calculated according to the formula:
T cabinet door ＝L Cabinet door /2*G Cabinet door ,G Cabinet door ＝m Cabinet door g; wherein T is Cabinet door Is torque of cabinet door L Cabinet door Is the length of the cabinet door G Cabinet door Is the gravity and m of the cabinet door Cabinet door The weight and g of the cabinet door are gravity acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311354922.8A CN117513906A (en) | 2023-10-19 | 2023-10-19 | Refrigerator hinge capable of hovering at any angle and refrigerator provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311354922.8A CN117513906A (en) | 2023-10-19 | 2023-10-19 | Refrigerator hinge capable of hovering at any angle and refrigerator provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117513906A true CN117513906A (en) | 2024-02-06 |
Family
ID=89742819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311354922.8A Pending CN117513906A (en) | 2023-10-19 | 2023-10-19 | Refrigerator hinge capable of hovering at any angle and refrigerator provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117513906A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117935426A (en) * | 2024-03-25 | 2024-04-26 | 深圳市华图测控系统有限公司 | Self-service machine rotary mechanism capable of hovering at any angle |
-
2023
- 2023-10-19 CN CN202311354922.8A patent/CN117513906A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117935426A (en) * | 2024-03-25 | 2024-04-26 | 深圳市华图测控系统有限公司 | Self-service machine rotary mechanism capable of hovering at any angle |
| CN117935426B (en) * | 2024-03-25 | 2024-05-28 | 深圳市华图测控系统有限公司 | Self-service machine rotary mechanism capable of hovering at any angle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117513906A (en) | Refrigerator hinge capable of hovering at any angle and refrigerator provided with same | |
| CN109878473B (en) | Wind resistance braking device | |
| JP2010515844A (en) | Door door drive device | |
| CN105507679B (en) | Screw drives control system | |
| CN110315520A (en) | A kind of energy-controllable type redundancy elastic driver based on metamorphic mechanisms | |
| CN201010412Y (en) | Synchronous door vane of elevator center opening door operator | |
| CN207728120U (en) | A kind of automatic tune lock box | |
| CN111075297A (en) | Refrigerator hinge assembly | |
| CN110593699B (en) | Emergency front door device of urban rail vehicle | |
| CN201411980Y (en) | Door or window lock | |
| CN201129088Y (en) | Two-door interlocking lock device for center split door | |
| EP4234867A1 (en) | Swing door operator | |
| JP7179120B2 (en) | Self-locking cable mechanism and lifting device | |
| CN214944081U (en) | Multi-point locking mechanism of door system | |
| CN215859656U (en) | Device for buffering aluminum alloy doors and windows | |
| WO2024000727A1 (en) | Novel damper for sliding door/window | |
| CN210000321U (en) | Opening and closing mechanism for sliding unlocking and locking of locomotives | |
| CN201348121Y (en) | Lifting frame mechanism | |
| CN220504818U (en) | Tower crane cab door injury prevention device | |
| WO2022179056A1 (en) | Stepless counterweight structure and body-building device having same | |
| CN218206313U (en) | Multipurpose door closer with energy-storage volute spiral spring | |
| CN113107399A (en) | Drill floor calandria manipulator | |
| CN218970953U (en) | Shower room sliding door brake mechanism and shower room sliding door thereof | |
| CN222314913U (en) | Heavy duty hinge with free stop function | |
| CN210920848U (en) | But intelligent door of free rotation is with built-in monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |