CN109237859B - Novel adjustable air door mechanism - Google Patents
Novel adjustable air door mechanism Download PDFInfo
- Publication number
- CN109237859B CN109237859B CN201811113781.XA CN201811113781A CN109237859B CN 109237859 B CN109237859 B CN 109237859B CN 201811113781 A CN201811113781 A CN 201811113781A CN 109237859 B CN109237859 B CN 109237859B
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- fixed
- air door
- air
- motor
- base
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- 238000007789 sealing Methods 0.000 claims description 15
- 230000004888 barrier function Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
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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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a novel adjustable air door mechanism, and relates to the technical field of refrigerator air doors. The invention comprises a base, an air door baffle and a cover plate; the base and the cover plate are pressed and fixed through the buckle; a cavity is formed between the base and the cover plate, and an air door baffle is arranged in the cavity; the front surface of the base is provided with a first air port; a motor groove body is fixed in the middle of the front surface of the base; a motor is fixedly arranged in the motor groove body; the output shaft of the motor is clamped with a gear; a rack meshed with the gear is fixed on the top of the air door baffle along the length direction; the side surface of the air door baffle plate is fixedly provided with a first baffle strip along the length direction. According to the invention, the motor is used for driving the gear and the rack to realize meshed transmission, so that the air door baffle makes linear reciprocating motion between the first air port and the second air port, the air door baffle can open and close the cold air channel, the occupied space of the air door mechanism in the flow channel is reduced, vortex loss is avoided, and the controllability of the air channel flow is improved.
Description
Technical Field
The invention belongs to the technical field of refrigerator air doors, and particularly relates to a novel adjustable air door mechanism.
Background
The air cooling technology is a refrigeration mode commonly applied in the refrigerator industry, and the air door is a commonly used control component of the air-cooled refrigerator, and the cold quantity transmission and the cold-heat exchange circulation of the compartment are controlled by opening and closing the air door. Traditional air door is opened and is closed and is realized through the air door rotor around the rotational movement of air door axle, and the space that the air door rotor was rotated around the axle is in the runner, often needs to occupy great runner space, and the runner internal diameter changes obviously, causes certain runner internal vortex loss, and the runner cross-section is fixed after the air door is opened, can not carry out runner cross-section size adjustment, and then leads to people to be inconvenient for flow control and room temperature control.
Therefore, a novel adjustable air door mechanism is to be researched to reduce the space occupied by the air door in the flow channel and improve the air channel flow controllability of cold energy when passing through the air door.
Disclosure of Invention
The invention aims to provide a novel adjustable air door mechanism, which drives a gear and a rack to be meshed and driven by a motor, so that an air door baffle makes linear reciprocating motion between a first air port and a second air port, the opening and closing of the air door baffle to a cold air channel are realized, and the problems of eddy current loss and poor air channel flow controllability caused by the space occupied by the existing air door are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a novel adjustable air door mechanism, which comprises a base, an air door baffle and a cover plate; the base and the cover plate are fixed through clamping and pressing; a cavity is formed between the base and the cover plate, and an air door baffle is arranged in the cavity;
the front surface of the base is provided with a first air port; a motor groove body is fixed in the middle of the front surface of the base; a motor is fixedly arranged in the motor groove body; the output shaft of the motor is clamped with a gear;
a rack meshed with the gear is fixed on the top of the air door baffle along the length direction; the side surface of the air door baffle is fixedly provided with a first barrier strip along the length direction, and the first barrier strip is positioned below the rack and is attached to the top surface of the base; sealing gaskets are fixed on the front surface and the back surface of the air door baffle, and the two sealing gaskets are respectively attached to the back surface of the base and the front surface of the cover plate;
the front surface of the cover plate is fixedly provided with a second barrier strip along the length direction, the side surface of the second barrier strip is attached to the back surface of the air door baffle, the top of the front surface of the cover plate is fixedly provided with a buckle box cover, and the front surface of the cover plate is provided with a second air port;
a motor groove cover body matched with the motor groove body is fixed on the side surface of the buckle box cover;
the second air port corresponds to the first air port, and a cold air channel is formed between the second air port and the first air port; the size of the second air opening and the size of the first air opening are smaller than the size of the air door baffle plate.
Further, the output shaft of the motor is a double-sided flat shaft, a rectangular through hole is formed in the middle of the end face of the gear, and the rectangular through hole is sleeved on the double-sided flat shaft.
Further, the top of one opposite side face of the motor groove body is symmetrically fixed with an assembly groove lug, and the inner wall of the bottom face of the assembly groove lug is fixed with a guide post;
the periphery of the motor is symmetrically fixed with assembly lugs, and through holes which are in clearance fit with the guide posts are formed in the assembly lugs;
the motor slot cover is characterized in that a fixing lug is respectively fixed on one opposite side face of the motor slot cover body, a support column is fixed on the bottom face of the fixing lug, a blind hole is formed in the bottom face of the support column, the bottom face of the support column is in contact with the upper surface of the fixing lug, and the blind hole is in clearance fit with the guide column.
Further, a concave frame is fixed on the back of the base, a sealing sheet is fixed on one side of the concave frame, and the sealing sheet is attached to the front of the cover plate.
The invention has the following beneficial effects:
1. according to the invention, the motor is used for driving the gear and the rack to engage and drive, so that the air door baffle plate makes linear reciprocating motion between the first air port and the second air port, and the opening and closing of the cold air duct are realized; and the air door baffle plate can be only arranged at the air outlet of the flow channel, so that the space occupied by the air door mechanism in the flow channel is reduced, the eddy current loss of the flow channel is avoided, and the air door is convenient to arrange.
2. The invention can realize different displacement of the air door baffle by controlling the rotation number of the motor, so that the overlapping area of the cold air duct and the air door baffle is different, and the control of the air duct flow and the refrigerator compartment temperature is realized.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a novel adjustable damper mechanism of the present invention;
FIG. 2 is a side cross-sectional view of a novel adjustable damper mechanism of the present invention;
FIG. 3 is a schematic view of the installation of the motor slot cover of the present invention on a cover plate;
in the drawings, the list of components represented by the various numbers is as follows:
the device comprises a 1-base, a 2-air door baffle, a 3-cover plate, a 4-motor groove body, a 5-motor, a 6-motor groove cover body, a 101-first air opening, a 102-concave frame, a 201-rack, a 202-first baffle bar, a 301-second baffle bar, a 302-buckle box cover, a 303-second air opening, a 401-assembly groove lug, a 501-gear, a 502-assembly lug, a 4011-guide post, a 601-fixing lug and a 6011-support post.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open", "bottom", "middle", "top", "front", "back", "peripheral side", and the like indicate an orientation or positional relationship, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
1-2, the invention is a novel adjustable air door mechanism, which comprises a base 1, an air door baffle 2 and a cover plate 3; after the base 1 and the cover plate 3 are pressed and fixed through the buckles, a certain cavity is formed inside the base 1 and the cover plate 3, and the air door baffle plate 2 is arranged in the cavity and moves in the cavity;
the front surface of the base 1 is provided with a first air port 101; a motor groove body 4 is fixed in the middle of the front surface of the base 1; a motor 5 is fixedly arranged in the motor groove body 4; a gear 501 is clamped on the output shaft of the motor 5;
a rack 201 meshed with the gear 501 is fixed on the top of the damper baffle 2 along the length direction; a first barrier strip 202 is fixed on the side surface of the air door baffle plate 2 along the length direction, and the first barrier strip 202 is positioned below the rack 201 and is attached to the top surface of the base 1; sealing gaskets are fixed on the front and the back of the air door baffle 2 and respectively attached to the back of the base 1 and the front of the cover plate 3; the sealing gasket is used for preventing cold energy from exchanging heat between the air door baffle 2 and a gap between the base 1 and the cover plate 3 when the air door baffle 2 closes the cold energy air duct.
As shown in fig. 1-3, a second barrier strip 301 is fixedly installed on the front surface of the cover plate 3 along the length direction, the side surface of the second barrier strip 301 is attached to the back surface of the air door baffle plate 2, a buckling box cover 302 is fixed on the top of the front surface of the cover plate 3, and a second air port 303 is formed in the front surface of the cover plate 3; the first barrier 202 and the second barrier 301 limit the directional movement of the damper flap 2 in the meshed transmission of the gear 501 and the rack 201 and provide a relative fixation for the movement of the damper flap 2.
A motor groove cover 6 matched with the motor groove body 4 is fixed on the side surface of the buckle box cover 302;
the second air port 303 corresponds to the first air port 101, and a cold air channel is formed between the second air port 303 and the first air port 101; the dimensions of the second tuyere 303 and the first tuyere 101 are smaller than those of the damper flap 2.
Wherein, the output shaft of the motor 5 is a double-sided flat shaft, and a rectangular through hole is formed in the middle of the end face of the gear 501 and is sleeved on the double-sided flat shaft.
Wherein, the top of one opposite side surface of the motor groove body 4 is symmetrically fixed with an assembly groove lug 401, and the inner wall of the bottom surface of the assembly groove lug 401 is fixed with a guide post 4011;
the circumference side of the motor 5 is symmetrically fixed with an assembly lug 502, and the assembly lug 502 is provided with a through hole which is in clearance fit with the guide post 4011;
a fixed lug 601 is respectively fixed on one opposite side surface of the motor groove cover body 6, a support column 6011 is fixed on the bottom surface of the fixed lug 601, a blind hole is formed in the bottom surface of the support column 6011, the bottom surface of the support column 6011 is in contact with the upper surface of the fixed lug 601, the blind hole is in clearance fit with the guide column 4011, a through hole on the assembly lug 502 is sleeved on the guide column 4011, the assembly lug 502 is propped against through the support column 6011 on the fixed lug 601, and the motor 5 can be effectively and fixedly arranged in the motor groove body 4; a supporting column is arranged on the inner wall of the top surface of the motor groove cover body 6, the bottom end of the supporting column is contacted with the end surface of the gear 501, the gear 501 can be effectively prevented from moving on the output shaft of the motor 5, and the meshing transmission of the gear 501 and the rack 201 is ensured.
The back of the base 1 is fixed with a concave frame 102, one side of the concave frame 102 is fixed with a sealing sheet, the sealing sheet is attached to the front of the cover plate 3, when the base 1 and the cover plate 3 are fixed through buckling and pressing, the sealing sheet on the concave frame 102 is attached to the front of the cover plate 3 to form a cavity, and the cavity provides space for the movement of the air door baffle; and the sealing property of the cavity is ensured by the sealing sheet.
Example two
When the air door baffle 2 completely blocks the cold air duct formed between the second air port 303 and the first air port 101, the state is the initial state, the displacement of the air door baffle 2 is zero, and no cold and heat transfer exists in the cold air duct; when the motor 5 drives the gear 501 to be meshed with the rack 201 for transmission, the air door baffle 2 moves, and when the cold air channel between the second air port 303 and the first air port 101 is completely opened, cold and heat transfer is performed in the cold air channel, at the moment, the air door baffle 2 is the maximum displacement, the number of steps of the motor 5 is n, namely, the air door baffle 2 is closed to open, and the number of steps of the motor 5 is n; from on to off, the number of motor 5 steps is n; when the step number of the motor 5 is variable m steps, the air door baffle plate 2 corresponds to a certain displacement, and at the moment, the value of m is more than or equal to 0 and less than or equal to n, so that the controllability of the air duct flow and the temperature of the refrigerator compartment is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. Novel adjustable air door mechanism, its characterized in that: comprises a base (1), an air door baffle (2) and a cover plate (3); the base (1) and the cover plate (3) are fixed through buckling and pressing, a cavity is formed between the base (1) and the cover plate (3), and an air door baffle (2) is arranged in the cavity;
the front surface of the base (1) is provided with a first air port (101); a motor groove body (4) is fixed in the middle of the front surface of the base (1); a motor (5) is fixedly arranged in the motor groove body (4); the output shaft of the motor (5) is clamped with a gear (501);
a rack (201) meshed with the gear (501) is fixed on the top of the air door baffle (2) along the length direction; a first barrier strip (202) is fixed on the side surface of the air door baffle plate (2) along the length direction, and the first barrier strip (202) is positioned below the rack (201) and is attached to the top surface of the base (1); sealing gaskets are fixed on the front and the back of the air door baffle (2), and the two sealing gaskets are respectively attached to the back of the base (1) and the front of the cover plate (3);
the front of the cover plate (3) is fixedly provided with a second barrier strip (301) along the length direction, the side surface of the second barrier strip (301) is attached to the back surface of the air door baffle plate (2), the top of the front of the cover plate (3) is fixedly provided with a buckling box cover (302), and the front of the cover plate (3) is provided with a second air port (303);
a motor groove cover body (6) matched with the motor groove body (4) is fixed on the side surface of the buckle box cover (302);
the second air port (303) corresponds to the first air port (101), and a cold air channel is formed between the second air port (303) and the first air port (101); the size of the second air opening (303) and the size of the first air opening (101) are smaller than the size of the air door baffle plate (2);
the output shaft of the motor (5) is a double-sided flat shaft, a rectangular through hole is formed in the middle of the end face of the gear (501), and the rectangular through hole is sleeved on the double-sided flat shaft;
an assembly groove lug (401) is symmetrically fixed at the top of one opposite side surface of the motor groove body (4), and a guide column (4011) is fixed on the inner wall of the bottom surface of the assembly groove lug (401);
the periphery of the motor (5) is symmetrically fixed with assembly lugs (502), and through holes which are in clearance fit with the guide posts (4011) are formed in the assembly lugs (502);
a fixed lug (601) is fixed on one opposite side face of the motor groove cover body (6) respectively, a support column (6011) is fixed on the bottom face of the fixed lug (601), a blind hole is formed in the bottom face of the support column (6011), the bottom face of the support column (6011) is in contact with the upper surface of the fixed lug (601), and the blind hole is in clearance fit with the guide column (4011).
2. The novel adjustable air door mechanism according to claim 1, wherein a concave frame (102) is fixed on the back of the base (1), a sealing sheet is fixed on one side surface of the concave frame (102), and the sealing sheet is attached to the front surface of the cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113781.XA CN109237859B (en) | 2018-09-25 | 2018-09-25 | Novel adjustable air door mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113781.XA CN109237859B (en) | 2018-09-25 | 2018-09-25 | Novel adjustable air door mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109237859A CN109237859A (en) | 2019-01-18 |
| CN109237859B true CN109237859B (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113781.XA Active CN109237859B (en) | 2018-09-25 | 2018-09-25 | Novel adjustable air door mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237859B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780781B (en) * | 2019-03-15 | 2023-11-10 | 长虹美菱股份有限公司 | Rotary electric air door applied to refrigerator |
| CN110274423B (en) * | 2019-06-04 | 2021-08-31 | 合肥美的电冰箱有限公司 | Refrigeration device |
| CN110686449A (en) * | 2019-09-12 | 2020-01-14 | 安徽康佳同创电器有限公司 | Combined knob linkage structure for refrigerator and refrigerator |
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| CN104075520A (en) * | 2014-07-14 | 2014-10-01 | 合肥华凌股份有限公司 | Air cooling refrigerator and air channel cover plate assembly thereof |
| CN204739826U (en) * | 2015-06-29 | 2015-11-04 | 合肥美菱股份有限公司 | Mechanical return air throttle setting and refrigerator of refrigerator |
| CN105890266A (en) * | 2015-01-26 | 2016-08-24 | 苏州三星电子有限公司 | Air-cooled refrigerator and air door mechanism thereof |
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| CN106969568A (en) * | 2017-03-14 | 2017-07-21 | 海信（山东）冰箱有限公司 | It is a kind of can accurate temperature controlling refrigerator |
| CN107024064A (en) * | 2017-03-07 | 2017-08-08 | 海信（山东）冰箱有限公司 | A kind of throttle setting for refrigerator and refrigerator |
| CN107062750A (en) * | 2017-03-14 | 2017-08-18 | 海信（山东）冰箱有限公司 | A kind of wind cooling refrigerator and its control method |
| CN209013579U (en) * | 2018-09-25 | 2019-06-21 | 长虹美菱股份有限公司 | A kind of novel adjustable air door mechanism |
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2018
- 2018-09-25 CN CN201811113781.XA patent/CN109237859B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100572175B1 (en) * | 2005-02-01 | 2006-04-18 | 주식회사 모아텍 | Damper device for refrigerator |
| CN201251338Y (en) * | 2008-07-04 | 2009-06-03 | 海信科龙电器股份有限公司 | Air door unit |
| CN101995135A (en) * | 2010-10-28 | 2011-03-30 | 合肥美的荣事达电冰箱有限公司 | Air quantity regulation mechanism, air channel device and refrigeration equipment |
| CN104075520A (en) * | 2014-07-14 | 2014-10-01 | 合肥华凌股份有限公司 | Air cooling refrigerator and air channel cover plate assembly thereof |
| CN105890266A (en) * | 2015-01-26 | 2016-08-24 | 苏州三星电子有限公司 | Air-cooled refrigerator and air door mechanism thereof |
| CN204739826U (en) * | 2015-06-29 | 2015-11-04 | 合肥美菱股份有限公司 | Mechanical return air throttle setting and refrigerator of refrigerator |
| CN206176874U (en) * | 2016-08-26 | 2017-05-17 | 江苏雷利电机股份有限公司 | Shut air supply arrangement , shut air supply arrangement control system and refrigerator |
| CN107024064A (en) * | 2017-03-07 | 2017-08-08 | 海信（山东）冰箱有限公司 | A kind of throttle setting for refrigerator and refrigerator |
| CN106969568A (en) * | 2017-03-14 | 2017-07-21 | 海信（山东）冰箱有限公司 | It is a kind of can accurate temperature controlling refrigerator |
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| Publication number | Publication date |
|---|---|
| CN109237859A (en) | 2019-01-18 |
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