CN112460068A - Shell assembly of cooling and heating fan and cooling and heating fan - Google Patents
Shell assembly of cooling and heating fan and cooling and heating fan Download PDFInfo
- Publication number
- CN112460068A CN112460068A CN202011507087.3A CN202011507087A CN112460068A CN 112460068 A CN112460068 A CN 112460068A CN 202011507087 A CN202011507087 A CN 202011507087A CN 112460068 A CN112460068 A CN 112460068A
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- CN
- China
- Prior art keywords
- cooling
- heating fan
- air inlet
- connecting rod
- filter
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
Abstract
The invention provides a shell assembly of a cooling and heating fan and the cooling and heating fan, the shell assembly of the cooling and heating fan comprises: the shell is provided with an air inlet; the filter screen assembly is arranged at the air inlet and comprises a plurality of filter units which are rotatably connected to the shell, and filter screens are arranged on the filter units; and the switching structure is connected with the filtering units and is provided with a first position for enabling each filtering unit to cover the air inlet and a second position for enabling each filtering unit to open the air inlet under the action of external force. The invention can prevent dust from entering the machine body and being bonded on the heating body in a warm air mode to reduce the heating efficiency by arranging the filter screen, and can also improve the air quantity and the air inlet efficiency of the air inlet in a cold air mode.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a shell assembly of a cooling and heating fan and the cooling and heating fan.
Background
After the cooling and heating fan is used for a long time, dust in the air can be bonded on the heating body to reduce the heating efficiency. Therefore, in the existing cooling and heating fans, a filter screen is usually arranged at an air inlet to filter dust in air so as to prevent the dust from adhering to a heating body. However, most of the existing cooling and heating fans are provided with a filter screen directly at the air inlet, and the air entering the air inlet in different cooling and heating modes needs to pass through the filter screen, which results in small air volume and low air inlet efficiency of the air inlet in a cold air mode.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects that the filter screen of the cooling and heating fan in the prior art causes the air volume of the air inlet to be small and the air inlet efficiency to be low in the cold air mode, so as to provide a cooling and heating fan and a housing assembly thereof, which can improve the air volume and the air inlet efficiency of the air inlet in the cold air mode.
The invention provides a shell assembly of a cooling and heating fan, comprising:
the shell is provided with an air inlet;
the filter screen assembly is arranged at the air inlet and comprises a plurality of filter units which are rotatably connected to the shell, and filter screens are arranged on the filter units;
and the switching structure is connected with the filtering units and is provided with a first position for enabling each filtering unit to cover the air inlet and a second position for enabling each filtering unit to open the air inlet under the action of external force.
At least one end of the filtering unit is provided with a rotating shaft, the shell is provided with a mounting hole, and the filtering unit is in rotatable connection with the shell through the matching of the rotating shaft and the mounting hole.
And rotating shafts are arranged at two ends of the filtering unit.
The switching structure comprises a connecting rod and a plurality of driving shafts arranged on the connecting rod at intervals along the length direction of the connecting rod;
at least one end of each filtering unit is provided with a matching hole, a distance is reserved between the axis of each matching hole and the axis of each rotating shaft, and each filtering unit is arranged along the length direction of the connecting rod and is connected with the corresponding driving shaft in a matching mode.
The matching hole is at least arranged at one end of the filtering unit, which is provided with the rotating shaft.
The switching structure is provided with two switching structures, the matching holes are formed in two ends of the filtering unit, the matching hole in one end is connected with the driving shaft of one switching structure, and the matching hole in the other end is connected with the driving shaft of the other switching structure.
The connecting rod comprises a rod body and a plurality of convex ribs arranged on the rod body at intervals along the length direction of the rod body, the convex ribs are parallel to each other and intersected with the rod body, and the driving shaft is arranged at one end, far away from the rod body, of each convex rib.
The shell assembly of the cooling and heating fan further comprises a driving device, wherein the driving device is arranged on the shell and drives the switching structure to move.
One end of the connecting rod is provided with a transmission hole, and the driving device comprises:
a motor having a power output shaft;
and one end of the crank is connected with the power output shaft, the other end of the crank is connected with the transmission hole in a matched manner, and the crank drives the connecting rod to rotate around the rotating shaft under the driving of the power output shaft.
The invention also provides a cooling and heating fan which comprises the shell assembly of the cooling and heating fan.
The technical scheme of the invention has the following effects:
1. the invention provides a shell assembly of a cooling and heating fan, comprising: the shell is provided with an air inlet; the filter screen assembly is arranged at the air inlet and comprises a plurality of filter units which are rotatably connected to the shell, and filter screens are arranged on the filter units; and the switching structure is connected with the filtering units and is provided with a first position for enabling each filtering unit to cover the air inlet and a second position for enabling each filtering unit to open the air inlet under the action of external force. When warm air needs to be exhausted, the switching structure is located at the first position, each filtering unit covers the air inlet, dust in the outside air is filtered by a filtering net on the filtering unit, then enters the machine body and passes through the heating body, and finally the warm air is exhausted, so that the dust can be prevented from entering the machine body and being bonded on the heating body to reduce the heating efficiency; when needs go out the cold wind, make the switching structure be in the second position, each filter unit opens the air intake, and the external air need not directly to enter into the organism through the filter screen in, and cold wind is discharged at last, can increase the air inlet area under the cold wind mode like this, promotes the air inlet efficiency of cold wind. Therefore, the invention can prevent dust from entering the machine body and being bonded on the heating body to reduce the heating efficiency in the warm air mode by arranging the filter screen, and can also improve the air quantity and the air inlet efficiency of the air inlet in the cold air mode.
2. The shell assembly of the cooling and heating fan provided by the invention comprises a switching structure and a plurality of driving shafts, wherein the switching structure comprises a connecting rod and a plurality of driving shafts which are arranged on the connecting rod at intervals along the length direction of the connecting rod; at least one end of each filtering unit is provided with a matching hole, a distance is reserved between the axis of each matching hole and the axis of each rotating shaft, and each filtering unit is arranged along the length direction of the connecting rod and is connected with the corresponding driving shaft in a matching mode. Therefore, only the connecting rod needs to be driven to move, so that the filtering units can be driven to move together, and the opening and closing of the filtering units can be controlled conveniently.
3. The invention provides a shell assembly of a cooling and heating fan, wherein one end of a connecting rod is provided with a transmission hole, and a driving device comprises: a motor having a power output shaft; and one end of the crank is connected with the power output shaft, the other end of the crank is connected with the transmission hole in a matched manner, and the crank drives the connecting rod to rotate around the rotating shaft under the driving of the power output shaft. Therefore, the switching between the first position and the second position can be controlled by the motor and the crank automatic control switching structure, so that the opening and closing of each filtering unit to the air inlet are automatically controlled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a perspective view of a cooling and heating fan provided in a first embodiment of the present invention when a switching structure is in a second position;
fig. 2 is a schematic view of the cooling and heating fan shown in fig. 1 when the switching structure is at a first position;
fig. 3 is a schematic cross-sectional view of the cooling and heating fan shown in fig. 1;
fig. 4 is a schematic cross-sectional view of the cooling and heating fan shown in fig. 2;
fig. 5 is a perspective exploded view of the cooling and heating fan shown in fig. 1;
fig. 6 is a schematic perspective assembly view of the switching structure, the filter screen assembly and the driving device in the cooling and heating fan shown in fig. 5;
FIG. 7 is an exploded perspective view of the switching mechanism, screen assembly and drive arrangement of FIG. 6;
FIG. 8 is a schematic perspective view of the filter unit of FIG. 7;
FIG. 9 is a perspective view of the switching structure of FIG. 7;
fig. 10 is a perspective view of a housing assembly of the cooling and heating fan in the cooling and heating fan shown in fig. 1;
FIG. 11 is an enlarged view of area A of FIG. 10;
fig. 12 is a perspective view of another angle of the housing assembly of the cooling and heating fan in the cooling and heating fan shown in fig. 1;
FIG. 13 is an enlarged view of area B of FIG. 12;
fig. 14 is a schematic cross-sectional view of the housing assembly of the cooling and heating fan of fig. 12 with the switching structure in a first position;
FIG. 15 is an enlarged view of area C of FIG. 14;
fig. 16 is a cross-sectional view of the housing assembly of the cooling and heating fan of fig. 12 with the switching mechanism in a second position;
FIG. 17 is an enlarged view of area D of FIG. 16;
description of reference numerals:
1-shell, 11-air inlet, 12-mounting hole, 13-limiting groove, 2-filtering unit, 21-filtering net, 22-rotating shaft, 23-matching hole, 3-connecting rod, 31-rod body, 32-convex rib, 4-driving shaft, 5-motor and 6-crank.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 17, the present embodiment provides a housing assembly of a cooling and heating fan, which includes a housing 1, a filter screen 21 assembly and at least one switching structure.
An air inlet 11 is arranged on the shell 1.
The filter screen 21 assembly is disposed at the air inlet 11 and includes a plurality of filter units 2 rotatably connected to the housing 1, and the filter units 2 are provided with filter screens 21.
The switching structure is connected to the filter units 2 and has a first position in which each filter unit 2 covers the air inlet 11 and a second position in which each filter unit 2 opens the air inlet 11 under the influence of an external force.
The two ends of the filtering unit 2 are respectively provided with a rotating shaft 22, the housing 1 is correspondingly provided with a mounting hole 12, and the filtering unit 2 is rotatably connected with the housing 1 through the matching of the rotating shaft 22 and the mounting hole 12. In the present embodiment, the rotary shafts 22 are provided in one-to-one correspondence with the mounting holes 12. In other embodiments, the filter unit 2 may be provided with the rotary shaft 22 only at one end.
The specific structure of the switching structure can be various, and in this embodiment, the switching structure includes a connecting rod 3 and a plurality of driving shafts 4 arranged on the connecting rod 3 at intervals along the length direction of the connecting rod 3.
At least one end of the filter unit 2 is provided with a matching hole 23, a distance is reserved between the axis of the matching hole 23 and the axis of the rotating shaft 22, and each filter unit 2 is arranged along the length direction of the connecting rod 3 and is matched and connected with the corresponding driving shaft 4.
Therefore, only the driving connecting rod 3 is required to move, so that the filtering units 2 can be driven to move together, and the opening and closing of the filtering units 2 are controlled conveniently.
The fitting hole 23 is provided at least at one end of the filter unit 2 where the rotary shaft 22 is provided.
The number of the switching mechanisms is not limited, and in this embodiment, the switching mechanisms have two, the two ends of the filter unit 2 are both provided with the matching holes 23, and the matching hole 23 at one end is connected with the driving shaft 4 of one of the switching mechanisms, and the matching hole 23 at the other end is connected with the driving shaft 4 of the other switching mechanism.
As an alternative embodiment, the engagement hole 23 may be provided only at the end of the filter unit 2 where the rotary shaft 22 is provided.
The specific form of the connecting rod 3 can be various, in this embodiment, the connecting rod 3 includes a rod body 31, and a plurality of ribs 32 disposed on the rod body 31 at intervals along the length direction of the rod body 31, each rib 32 is parallel to each other and intersects with the rod body 31, and the driving shaft 4 is disposed at one end of the rib 32 away from the rod body 31.
The housing assembly of the cooling and heating fan provided by the embodiment further comprises a driving device, wherein the driving device is arranged on the housing 1 and drives the switching structure to move.
One end of the connecting rod 3 is provided with a transmission hole, and the driving device in the embodiment comprises a motor 5 and a crank 6.
The motor 5 has a power output shaft.
One end of the crank 6 is connected with the power output shaft, and the other end of the crank is connected with the transmission hole in a matching way, and the crank drives the connecting rod 3 to rotate around the rotating shaft 22 under the driving of the power output shaft.
Thus, the switching structure can be automatically controlled by the motor 5 and the crank 6 to switch between the first position and the second position, so that the opening and closing of each filter unit 2 to the air inlet 11 can be automatically controlled.
The shell 1 is provided with an arc-shaped limiting groove 13, and one end of the crank 6 connected with the power output shaft extends out of the limiting groove 13 and then is connected with the power output shaft.
When warm air needs to be discharged, the crank 6 is driven to move through the motor 5 to drive the switching structure to be located at the first position, each filtering unit 2 covers the air inlet 11, dust in the outside air can be filtered by the filtering net 21 on the filtering unit 2, then the dust enters the machine body to pass through the heating body, and finally the warm air is discharged, so that the dust can be prevented from entering the machine body to be bonded on the heating body to reduce the heating efficiency; when needs go out the cold wind, through the motion of motor 5 drive crank 6, drive and switch the structure and be in the second position, air intake 11 is opened to each filter unit 2, and the outside air need not directly to enter into the organism through filter screen 21 in, and the cold wind of last discharge can increase the air inlet area under the cold wind mode like this, promotes the air inlet efficiency of cold wind. Therefore, the present embodiment can avoid the dust entering the inside of the machine body to be bonded on the heating element to reduce the heating efficiency in the warm air mode by arranging the filter screen 21, and can improve the air volume and the air inlet efficiency of the air inlet 11 in the cold air mode.
The embodiment also provides a cooling and heating fan, which comprises the shell assembly of the cooling and heating fan.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (10)
1. A housing assembly for a cooling and heating fan, comprising:
the shell (1) is provided with an air inlet (11);
the filter screen (21) assembly is arranged at the air inlet (11) and comprises a plurality of filter units (2) which are rotatably connected to the shell (1), and filter screens (21) are arranged on the filter units (2);
and the switching structure is connected with the filter units (2) and has a first position for enabling each filter unit (2) to cover the air inlet (11) and a second position for enabling each filter unit (2) to open the air inlet (11) under the action of external force.
2. A housing assembly of a cooling and heating fan according to claim 1, characterized in that at least one end of the filter unit (2) is provided with a rotating shaft (22), the housing (1) is provided with a mounting hole (12), and the filter unit (2) is rotatably connected with the housing (1) through the cooperation of the rotating shaft (22) and the mounting hole (12).
3. A cooling and heating fan housing assembly according to claim 2, characterised in that the filter unit (2) is provided with a rotary shaft (22) at both ends.
4. A cooling/heating fan housing assembly according to claim 2,
the switching structure comprises a connecting rod (3) and a plurality of driving shafts (4) arranged on the connecting rod (3) at intervals along the length direction of the connecting rod (3);
at least one end of each filtering unit (2) is provided with a matching hole (23), a distance is reserved between the axis of each matching hole (23) and the axis of each rotating shaft (22), and each filtering unit (2) is arranged along the length direction of the connecting rod (3) and is connected with the corresponding driving shaft (4) in a matching mode.
5. A cooling/heating fan housing assembly according to claim 4, characterised in that the fitting hole (23) is provided at least at the end of the filter unit (2) where the rotary shaft (22) is provided.
6. A housing assembly of a cooling and heating fan according to claim 4, characterized in that the switching structure has two, the fitting holes (23) are provided at both ends of the filter unit (2), and the fitting hole (23) at one end is connected with the driving shaft (4) of one of the switching structures, and the fitting hole (23) at the other end is connected with the driving shaft (4) of the other switching structure.
7. A cooling and heating fan casing assembly according to claim 4, characterized in that the connecting rod (3) comprises a rod body (31) and a plurality of ribs (32) arranged on the rod body (31) at intervals along the length direction of the rod body (31), each rib (32) is parallel to each other and intersects the rod body (31), and the driving shaft (4) is arranged at one end of each rib (32) far away from the rod body (31).
8. A cooling and heating fan casing assembly according to any one of claims 4-7, characterised by further comprising a driving device which is arranged on the casing (1) and drives the switching structure to move.
9. A cooling and heating fan housing assembly according to claim 8, characterized in that the connecting rod (3) is provided with a transmission hole at one end, and the driving means comprises:
a motor (5) having a power output shaft;
and one end of the crank (6) is connected with the power output shaft, the other end of the crank is connected with the transmission hole in a matched manner, and the crank drives the connecting rod (3) to rotate around the rotating shaft (22) under the driving of the power output shaft.
10. A cooling and heating fan, characterized by comprising a housing assembly of the cooling and heating fan as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507087.3A CN112460068A (en) | 2020-12-18 | 2020-12-18 | Shell assembly of cooling and heating fan and cooling and heating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507087.3A CN112460068A (en) | 2020-12-18 | 2020-12-18 | Shell assembly of cooling and heating fan and cooling and heating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112460068A true CN112460068A (en) | 2021-03-09 |
Family
ID=74804475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011507087.3A Pending CN112460068A (en) | 2020-12-18 | 2020-12-18 | Shell assembly of cooling and heating fan and cooling and heating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112460068A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543213A (en) * | 2022-02-21 | 2022-05-27 | 徐州亚亚环保科技有限责任公司 | Air dust particle purification forced filtration type cooling and heating fan |
-
2020
- 2020-12-18 CN CN202011507087.3A patent/CN112460068A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543213A (en) * | 2022-02-21 | 2022-05-27 | 徐州亚亚环保科技有限责任公司 | Air dust particle purification forced filtration type cooling and heating fan |
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