CN111076486A - A kind of power-assisted door switch device and refrigerator - Google Patents
A kind of power-assisted door switch device and refrigerator Download PDFInfo
- Publication number
- CN111076486A CN111076486A CN201911420209.2A CN201911420209A CN111076486A CN 111076486 A CN111076486 A CN 111076486A CN 201911420209 A CN201911420209 A CN 201911420209A CN 111076486 A CN111076486 A CN 111076486A
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- door
- sleeve
- rotating sleeve
- end cover
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- 238000005381 potential energy Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 18
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 16
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention provides a power-assisted door opening and closing device and a refrigerator, wherein the power-assisted door opening and closing device comprises: the door end cover is fixed with the door and can rotate integrally with the door, and a rotating sleeve is also arranged at the rotating shaft position of the door end cover and is connected with the door end cover and can rotate together with the door end cover; the periphery of the rotating sleeve is also sleeved with a fixed sleeve which is fixedly arranged on the door end cover, and the rotating sleeve relatively rotates in the fixed sleeve and can be driven by the fixed sleeve to enable the rotating sleeve to further move along the axial direction of the rotating sleeve; one side of the interior of the rotating sleeve, which is far away from the door end cover, is also provided with an elastic structure, and one end of the elastic structure is fixedly connected with the rotating sleeve, and the other end of the elastic structure is fixed. According to the invention, the rotary sleeve is driven to move axially by utilizing the elastic potential energy release of the elastic structure, and the rotary sleeve rotates under the limitation of the fixed sleeve, so that the effect of generating a restoring force in the closing direction of the door is realized, the sealing effect of closing the door is improved, and the refrigeration effect in the refrigerator is improved.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to a power-assisted door opening and closing device and a refrigerator.
Background
The basic principle of the refrigerator for keeping fresh is to control the temperature in the refrigerator within a fresh-keeping temperature range, and in order to ensure the normal use of the storage function of the refrigerator, the door bodies of all chambers of the refrigerator are required to be completely closed when being closed. Therefore, some functional designs for preventing the door from being closed too tightly are designed on the door body of some refrigerators, for example, a more suction structure or a sealing structure is adopted, but even then the sealing effect of the refrigerator still needs to be improved.
The invention provides a power-assisted door opening and closing device and a refrigerator, which are researched and designed because the technical problems that the refrigerator door body in the prior art cannot be closed very tightly or has poor sealing effect, so that the internal space of the refrigerator is not completely sealed, the refrigerating effect in the refrigerator is influenced and the like are solved.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem of overcoming the defects that the refrigerator door body in the prior art cannot be tightly closed or has poor sealing effect, so that the internal space of the refrigerator is not completely sealed, and the refrigeration effect in the refrigerator is influenced, and provides the power-assisted door opening and closing device and the refrigerator.
The invention provides a power-assisted door opening and closing device, which comprises:
the door end cover is fixed with the door and can rotate integrally with the door, and a rotating sleeve is further arranged at the rotating shaft position of the door end cover and is connected with the door end cover and can rotate together with the door end cover;
a fixed sleeve is further sleeved on the periphery of the rotating sleeve, the fixed sleeve is fixedly arranged on the door end cover, and the rotating sleeve relatively rotates in the fixed sleeve and can be driven by the fixed sleeve to enable the rotating sleeve to further move along the axial direction of the rotating sleeve;
one side of the interior of the rotating sleeve, which is far away from the door end cover, is also provided with an elastic structure, one end of the elastic structure is fixedly connected with the rotating sleeve, and the other end of the elastic structure is fixed.
Preferably, the first and second electrodes are formed of a metal,
the fixed sleeve is provided with a first tooth structure on the inner peripheral side wall, the outer peripheral wall of the rotating sleeve is provided with a second tooth structure, the second tooth structure is meshed with the first tooth structure, so that the rotating sleeve is meshed and driven when the rotating sleeve rotates in the fixed sleeve relatively, the rotating sleeve moves in the axial direction, and the elastic structure is compressed or the elastic potential energy of the elastic structure is released.
Preferably, the first and second electrodes are formed of a metal,
the first tooth structures are staggered tooth-shaped structures, and the second tooth structures are staggered tooth-shaped structures which are matched and meshed with the first tooth structures.
Preferably, the first and second electrodes are formed of a metal,
one end of the rotating sleeve is provided with a protrusion, the door end cover is provided with a groove matched and connected with the protrusion, and the protrusion is inserted into the groove to enable the rotating sleeve to be installed on the door end cover and rotate along with the door end cover.
Preferably, the first and second electrodes are formed of a metal,
the door end cover is connected and arranged at the bottom of the door, and the rotating sleeve, the fixing sleeve and the elastic structure are arranged inside the door.
Preferably, the first and second electrodes are formed of a metal,
the elastic structure is a spring, a first gasket is fixedly connected to the lower end of the spring, the first gasket is fixedly arranged on the inner portion of the rotating sleeve, a second gasket is fixedly connected to the upper end of the spring, and the upper end of the spring is fixed and limited by the second gasket.
Preferably, the first and second electrodes are formed of a metal,
the elastic structure's inside is still worn to establish and is provided with the screw rod, the screw rod wears to establish in proper order the elastic structure rotate the sleeve with the fixed sleeve, the lower extreme of screw rod is formed with the external screw thread, the inboard of fixed sleeve is provided with the internal thread, the screw rod the external screw thread with the internal thread looks spiro union of fixed sleeve makes the screw rod is fixed, and the bolt head of screw rod upper end is fixed spacing the upper end of second gasket.
Preferably, the first and second electrodes are formed of a metal,
at least one ball element is further provided at least one of between the screw and the first spacer, between the screw and the second spacer, between the rotating sleeve and the fixed sleeve, and between the screw and the fixed sleeve.
Preferably, the first and second electrodes are formed of a metal,
one side of the door end cover, which is back to the back with one side where the fixing sleeve is installed, is also provided with a hinge, one end of the hinge is inserted into the door end cover to be rotatably connected, and the other end of the hinge can drive the door to rotate.
The invention also provides a refrigerator, which comprises the power-assisted door opening and closing device and a refrigerator door, wherein the power-assisted door opening and closing device is arranged at one end of the refrigerator door and is connected with the refrigerator door.
The power-assisted door opening and closing device and the refrigerator provided by the invention have the following beneficial effects:
the invention is characterized in that a door end cover which rotates integrally with the door end cover is fixedly connected and arranged on a refrigerator door, the door end cover is provided with a rotating sleeve which rotates integrally with the door end cover and a fixed sleeve which is fixedly arranged with the door end cover, the rotating sleeve is sleeved in the fixed sleeve and rotates relative to the fixed sleeve, the rotating sleeve can be driven by the fixed sleeve to move along the axial direction while rotating, the other end of the rotating sleeve is connected and arranged with an elastic structure, the elastic structure is compressed when the rotating sleeve is driven to move upwards along the axial direction due to the fixed other end of the elastic structure, so that the elastic structure accumulates elastic potential energy, the rotating sleeve is driven to move along the axial direction by releasing the elastic potential energy of the elastic structure when the door is withdrawn from a door opening force, the rotating sleeve is further rotated under the restriction of the fixed sleeve, and the door end cover is driven to rotate, thereby realize producing the driving force effect of recovering original condition to the closing direction of door for the door can be by self-closing or even close tightly, has improved the sealed effect that the door closed tightly, improves the inside refrigeration effect of refrigerator.
Drawings
FIG. 1 is a schematic diagram of a front explosion configuration of a power assisted door opening and closing apparatus of the present invention;
FIG. 2 is a schematic front assembled view of the power assisted door opening and closing apparatus of the present invention;
fig. 3 is a schematic view showing an assembly structure between a rotating sleeve and a fixed sleeve in the power switch device of the present invention.
The reference numbers in the figures denote:
1. a ball component; 2. a nut; 4. a third gasket; 5. a first gasket; 6. hinges (door closers); 7. a second gasket; 8. fixing the sleeve; 81. a first tooth structure; 9. rotating the sleeve; 91. a protrusion; 92. a second tooth structure; 10. a screw; 11. a door end cover; 12. and (3) an elastic structure.
Detailed Description
As shown in fig. 1 to 3, the present invention provides a power assisted door opening and closing apparatus, comprising:
the door cover 11 is fixed with the door and can rotate integrally with the door, a rotating sleeve 9 is further arranged at the rotating shaft position of the door cover 11, and the rotating sleeve 9 is connected with the door cover 11 and can rotate together with the door cover 11;
a fixed sleeve 8 is further sleeved on the periphery of the rotating sleeve 9, the fixed sleeve 8 is fixedly arranged on the door end cover 11, and the rotating sleeve 9 relatively rotates in the fixed sleeve 8 and can be driven by the fixed sleeve 8 to enable the rotating sleeve 9 to further move along the axial direction of the rotating sleeve 9;
an elastic structure 12 is further arranged on one side, away from the door end cover 11, of the interior of the rotating sleeve 9, one end of the elastic structure 12 is fixedly connected with the rotating sleeve 9, and the other end of the elastic structure is fixed.
The invention is characterized in that a door end cover which rotates integrally with the door end cover is fixedly connected and arranged on a refrigerator door, the door end cover is provided with a rotating sleeve which rotates integrally with the door end cover and a fixed sleeve which is fixedly arranged with the door end cover, the rotating sleeve is sleeved in the fixed sleeve and rotates relative to the fixed sleeve, the rotating sleeve can be driven by the fixed sleeve to move along the axial direction while rotating, the other end of the rotating sleeve is connected and arranged with an elastic structure, the elastic structure is compressed when the rotating sleeve is driven to move upwards along the axial direction due to the fixed other end of the elastic structure, so that the elastic structure accumulates elastic potential energy, the rotating sleeve is driven to move along the axial direction by releasing the elastic potential energy of the elastic structure when the door is withdrawn from a door opening force, the rotating sleeve is further rotated under the restriction of the fixed sleeve, and the door end cover is driven to rotate, thereby realize producing the driving force effect of recovering original condition to the closing direction of door for the door can be by self-closing or even close tightly, has improved the sealed effect that the door closed tightly, improves the inside refrigeration effect of refrigerator.
Preferably, the first and second electrodes are formed of a metal,
the inner peripheral side wall of the fixed sleeve 8 is provided with a first tooth structure 81, the outer peripheral wall of the rotating sleeve 9 is provided with a second tooth structure 92, and the second tooth structure 92 is meshed with the first tooth structure 81, so that the rotating sleeve 9 is meshed to drive the rotating sleeve 9 to move along the axial direction when the rotating sleeve 9 rotates relatively in the fixed sleeve 8, and the elastic structure 12 is compressed or the elastic potential energy of the elastic structure 12 is released. The fixed sleeve and the rotating sleeve are matched in a preferable structure form, the rotating sleeve can be driven to move in the axial direction when rotating in the fixed sleeve through the first tooth structure and the second tooth structure which are meshed with each other, so that the spring is effectively compressed to accumulate elastic potential energy and provide restoring force for restoring the normal state of the door to be closed, and the door can be effectively driven to be normally closed to be tightly closed through the release of the elastic potential energy of the elastic part after the door opening force is cancelled, and the sealing performance is improved.
Preferably, the first and second electrodes are formed of a metal,
the first tooth structures 81 are staggered tooth-shaped structures, and the second tooth structures 92 are staggered tooth-shaped structures which are matched and meshed with the first tooth structures 81. This is the preferred form of the two tooth structures of the present invention, i.e. the two tooth structures are respectively staggered tooth structures, as shown in fig. 3, preferably staggered and alternatively ascending tooth structures, so that the rotating sleeve is driven by the staggered teeth to be pushed to move along the axial direction during the rotation process, and the force for squeezing the elastic structure is formed or pushed by the elastic structure to move along the recovery direction of the staggered teeth, thereby completing the closing and sealing of the door.
Preferably, the first and second electrodes are formed of a metal,
one end of the rotating sleeve 9 is provided with a protrusion 91, the door cover 11 is provided with a groove matched and connected with the protrusion, and the protrusion 91 is inserted into the groove, so that the rotating sleeve 9 is installed on the door cover 11 and rotates together with the door cover 11. The rotating sleeve and the door end cover are preferably connected in a mode that the protrusions are matched with the grooves in an inserted mode, the door end cover can limit the rotating sleeve, the cross section of each protrusion is preferably of a non-circular structure such as a rectangular structure, the rotation of the door end cover can be transmitted to the rotating sleeve through the matching structure of the protrusions of the grooves, the rotating sleeve is driven to rotate, and the effect that the rotating sleeve rotates relative to the fixed sleeve is achieved.
Preferably, the first and second electrodes are formed of a metal,
the door end cover 11 is connected and arranged at the bottom of the door, and the rotating sleeve 9, the fixed sleeve 8 and the elastic structure 12 are arranged inside the door. The door end cover is a preferred arrangement position of the door end cover provided at the bottom of the door, fig. 1 and 2 are both views seen from the front, the door is arranged above the door end cover, the rotating sleeve 9, the fixed sleeve 8 and the elastic structure 12 are all arranged inside the door, the appearance attractiveness of the door can be ensured, and the door end cover can be integrally rotated with the door.
Preferably, the first and second electrodes are formed of a metal,
Preferably, the first and second electrodes are formed of a metal,
the inside of elastic construction 12 still wears to establish and is provided with screw rod 10, screw rod 10 wears to establish in proper order elastic construction 12 rotating sleeve 9 with fixed sleeve 8, the lower extreme of screw rod 10 is formed with the external screw thread, the inboard of fixed sleeve 8 is provided with the internal thread, screw rod 10 the external screw thread with the internal thread looks spiro union of fixed sleeve 8 makes screw rod 10 is fixed, and the bolt head of screw rod 10 upper end is fixed spacing in the upper end of second gasket 7. According to the invention, the screw rod is arranged in the spring in a penetrating manner, the lower end of the screw rod is connected to the lower end of the fixed sleeve in a threaded manner, the screw rod can be fixed, and the bolt head at the upper end of the screw rod is fixedly limited at the upper end of the second gasket, so that the axial movement stroke of the spring can be effectively limited, namely, the upper end of the spring is fixed by the second gasket and the bolt head and cannot move upwards, so that the upward movement of the rotating sleeve can only be completed by compressing the spring, the bolt head is fixed in the door body, and after the external force to the door body is cancelled, the second gasket and the spring abutted by the bolt head generate restoring force to push the rotating sleeve to rotate so as to drive the door body to.
Preferably, the first and second electrodes are formed of a metal,
at least one ball element 1 is further provided at least one of between the screw 10 and the first spacer 5, between the screw 10 and the second spacer 7, between the rotating sleeve 9 and the fixed sleeve 8, and between the screw 10 and the fixed sleeve 8. The ball parts arranged at the joint of the parts can reduce the sliding friction force of the joint part, convert the sliding friction force into rolling friction force and better drive the door body to rotate and return to rotate.
Preferably, the first and second electrodes are formed of a metal,
one side of the door end cover 11, which is opposite to the side where the fixing sleeve 8 is installed, is also provided with a hinge element 6, one end of the hinge element 6 is inserted into the door end cover 11 and is rotatably connected, and the other end of the hinge element can drive the door to rotate. The function and effect of synchronous driving motion between the door end cover and the door body can be realized through the hinge piece; preferably, the other end of the hinge 6 has a movement stop so that a rotation angle of the door is defined.
The invention also provides a refrigerator, which comprises the power-assisted door opening and closing device and a refrigerator door, wherein the power-assisted door opening and closing device is arranged at one end of the refrigerator door and is connected with the refrigerator door.
The invention has good effect on preventing the door from being closed untight, does not need electric control or electromagnetic assistance, is completely composed of a mechanical structure, and has simple assembly and higher reliability; the door opening force and the door closing force of the door can be adjusted, and the man-machine requirement is met. The production speed of the production field can be greatly shortened, and the manpower requirement is greatly reduced; the design cost of the company is saved, and the later-stage company design can be directly adopted; the product quality of the company is ensured, and the market quality standard is maintained.
The fixed sleeve 8 and the rotating sleeve 9 form a rotating assembly, and a closing and locking force is generated when the door body is opened and closed under the action of the self weight of the door body and the spring through a staggered tooth-shaped structure between the two parts. The door has the advantages of achieving the operation feeling of exerting force when the door is opened and the automatic suction feeling when the door is closed. In particular, the staggered tooth-shaped structures on the fixed sleeve 8 and the rotating sleeve 9 can be designed to be left-handed, right-handed or left-handed symmetrical. In particular, the staggered teeth on the fixed sleeve 8 and the rotating sleeve 9 may be designed such that one is a sleeve structure and the other is an insertion structure (see fig. 3), or both are male abutment structures. In particular, by adjusting the height and angle of each side of the profile. And width, the magnitude of the door opening force of the door and the door opening angle can be controlled.
The rotating assembly of the fixed sleeve 8 and the rotating sleeve 9 is fixed to the door end cover 11 by a spring mechanism assembly. The spring is composed of a part spring (elastic structure 12) generating stress, a second gasket 7 fixing the spring and a screw rod 10, and particularly, ball parts 1 are arranged at the joints in order to ensure that the noise generated when the door body is opened and closed is as small as possible.
The door end cover 11 is a main assembly carrier, a rotating assembly consisting of the fixed sleeve 8 and the rotating sleeve 9, and a spring assembly consisting of the part spring, the second gasket 7 for fixing the spring and the screw rod 10 are respectively assembled on the part door end cover 11 and hidden in the door body, and cannot be seen in appearance. The part door closer (hinge piece 6) is assembled on the other side of the part door end cover 11 and is used for controlling the specific opening angle of the door body.
When the door is rotated, the invisible rotating assembly in the door body rotates, the tooth-shaped structures on the fixed sleeve 8 and the rotating sleeve 9 slide, the spring structure is compressed, and the door opening force is generated. On the contrary, when the door is closed, the force compressed on the spring is released, and the door is closed without external force, and the good closing condition of the door body is ensured. Thereby the good impression of opening the door and the good effect of closing the door have been guaranteed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420209.2A CN111076486A (en) | 2019-12-31 | 2019-12-31 | A kind of power-assisted door switch device and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420209.2A CN111076486A (en) | 2019-12-31 | 2019-12-31 | A kind of power-assisted door switch device and refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN111076486A true CN111076486A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911420209.2A Pending CN111076486A (en) | 2019-12-31 | 2019-12-31 | A kind of power-assisted door switch device and refrigerator |
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| Country | Link |
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| CN (1) | CN111076486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247936A (en) * | 2021-04-12 | 2022-10-28 | 海信（山东）冰箱有限公司 | Refrigeration storage device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060075659A (en) * | 2004-12-28 | 2006-07-04 | 엘지전자 주식회사 | Hinge for Refrigerator Door |
| CN104695790A (en) * | 2015-02-28 | 2015-06-10 | 合肥晶弘电器有限公司 | Spinning-type hinge component with hovering function and horizontal-type refrigerating cabinet |
| CN108332495A (en) * | 2017-12-29 | 2018-07-27 | 青岛海尔股份有限公司 | A kind of refrigerator door and refrigerator |
| CN211503401U (en) * | 2019-12-31 | 2020-09-15 | 珠海格力电器股份有限公司 | Power-assisted door opening and closing device and refrigerator |
-
2019
- 2019-12-31 CN CN201911420209.2A patent/CN111076486A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060075659A (en) * | 2004-12-28 | 2006-07-04 | 엘지전자 주식회사 | Hinge for Refrigerator Door |
| CN104695790A (en) * | 2015-02-28 | 2015-06-10 | 合肥晶弘电器有限公司 | Spinning-type hinge component with hovering function and horizontal-type refrigerating cabinet |
| CN108332495A (en) * | 2017-12-29 | 2018-07-27 | 青岛海尔股份有限公司 | A kind of refrigerator door and refrigerator |
| CN211503401U (en) * | 2019-12-31 | 2020-09-15 | 珠海格力电器股份有限公司 | Power-assisted door opening and closing device and refrigerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247936A (en) * | 2021-04-12 | 2022-10-28 | 海信（山东）冰箱有限公司 | Refrigeration storage device |
| CN115247936B (en) * | 2021-04-12 | 2024-06-07 | 海信冰箱有限公司 | Refrigeration storage device |
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