Push plate type air blowing and suction integrated device, seat and automobile

Abstract

The utility model discloses a push plate type air blowing and sucking integrated device, a seat and an automobile, which comprises a fan, a push plate, a push plate, a push plate and a push plate, wherein the fan is provided with an air inlet channel and an air outlet channel; an outer air inlet and an inner air inlet which can communicate with the air inlet channel are formed in an inlet of the air inlet channel, a first switching mechanism is arranged at the inlet of the air inlet channel, and the inlet of the air inlet channel communicates with the outer air inlet and the inner air inlet through switching of the first switching mechanism; an outlet of the air outlet channel is provided with an outer air outlet and an inner air outlet which can communicate with the air outlet channel, the outlet of the air outlet channel is provided with a second switching mechanism, and the second switching mechanism at least communicates with the outlet of the air outlet channel and the inner air outlet or cuts off communication between the outlet of the air outlet channel and the inner air outlet; the inner air inlet and the inner air outlet are connected to the ventilation system in parallel, and the outer air inlet and the outer air outlet are both communicated with the external environment, so that the fan can achieve two working modes of air blowing and air suction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile and its spare parts, especially push plate formula blows and sucks the integral device of wind, seat and car. BACKGROUND

[0002] With the improvement of living standards, the automobile gradually becomes the public means of transportation, and people's requirement for the comfort of the automobile is higher and higher.

[0003] Among them, the comfort of the automobile seat is the most critical for use, and more and more manufacturers adopt seats with ventilation function. Different drivers have different preferences for the ventilation system, some tend to the air suction system, and some prefer the air blowing system. The existing fan can only blow or suck air, and cannot realize the switching of blowing and sucking air, which affects the adaptability of the seat and reduces the driving experience. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a push plate type blowing and sucking air integrated device, seat and car to solve the problems existing in the prior art, so that the fan can realize two working modes of blowing and sucking air.

[0005] To achieve the above object, the utility model provides the following scheme: the utility model provides a push plate type blowing and sucking air integrated device, which comprises:

[0006] A fan is provided with an air inlet channel and an air outlet channel;

[0007] An outer air inlet and an inner air inlet, which can be communicated with the air inlet of the air inlet channel, are arranged at the air inlet of the air inlet channel, a first switching mechanism is arranged at the air inlet of the air inlet channel, and the air inlet of the air inlet channel is switched to communicate with the outer air inlet and the inner air inlet through the first switching mechanism;

[0008] An outer air outlet and an inner air outlet, which can be communicated with the air outlet of the air outlet channel, are arranged at the air outlet of the air outlet channel, a second switching mechanism is arranged at the air outlet of the air outlet channel, and the second switching mechanism is connected with the air outlet of the air outlet channel and the inner air outlet or cuts off the communication between the air outlet of the air outlet channel and the inner air outlet;

[0009] The inner air inlet and the inner air outlet are connected in parallel to the ventilation system, and the outer air inlet and the outer air outlet are connected with the external environment.

[0010] Preferably, the fan comprises a shell, and a partition plate for separating the air inlet channel and the air outlet channel is arranged in the inner cavity of the shell.

[0011] Preferably, a fan blade is rotatably connected in the inner cavity of the shell, and a first driver is connected to the fan blade to drive rotation of the fan blade.

[0012] Preferably, the air inlet channel and the air outlet channel are arranged side by side in a direction perpendicular to the center of rotation of the fan.

[0013] The first switching mechanism comprises a first ventilation baffle and a second ventilation baffle that rotates synchronously with the first ventilation baffle, one end of the first ventilation baffle is hinged to the partition, and the first ventilation baffle alternately blocks or opens the inner air inlet, one end of the second ventilation baffle is hinged to the outer air inlet, and when the first ventilation baffle closes the inner air inlet, the second ventilation baffle opens the outer air inlet, and when the first ventilation baffle opens the inner air inlet, the second ventilation baffle closes the outer air inlet.

[0014] The second switching mechanism also comprises the first ventilation baffle, and when the first ventilation baffle opens the inner air inlet, the first ventilation baffle closes the inner air outlet, and when the first ventilation baffle closes the inner air inlet, the first ventilation baffle opens the inner air outlet.

[0015] The outer air outlet is always connected to the air outlet channel.

[0016] Preferably, the first ventilation baffle or the second ventilation baffle is connected to a second driver to drive rotation of the first ventilation baffle or the second ventilation baffle, a connecting mechanism is arranged between the first ventilation baffle and the second ventilation baffle to drive synchronous rotation of the first ventilation baffle and the second ventilation baffle, and two ends of the connecting mechanism are hinged to the first ventilation baffle and the second ventilation baffle, respectively.

[0017] Preferably, the air inlet channel and the air outlet channel are arranged side by side in a direction perpendicular to the center of rotation of the fan.

[0018] The first switching mechanism comprises a first ventilation baffle, one end of the first ventilation baffle is hinged to the outer air inlet, and the first ventilation baffle alternately blocks the outer air inlet and the inner air inlet, when the first ventilation baffle opens the outer air inlet, the first ventilation baffle closes the inner air inlet, and when the first ventilation baffle closes the outer air inlet, the first ventilation baffle opens the inner air inlet.

[0019] The second switching mechanism comprises a second ventilation baffle, one end of the second ventilation baffle is hinged to the outer air outlet, and the second ventilation baffle alternately blocks the inner air outlet and the outer air outlet, when the second ventilation baffle opens the inner air outlet, the second ventilation baffle closes the outer air outlet, and when the second ventilation baffle closes the inner air outlet, the second ventilation baffle opens the outer air outlet.

[0020] Preferably, the first ventilation baffle or the second ventilation baffle is connected with a second driver for driving rotation thereof, and a connecting mechanism for driving synchronous rotation thereof is arranged between the first ventilation baffle and the second ventilation baffle, and two ends of the connecting mechanism are respectively hinged to the first ventilation baffle and the second ventilation baffle.

[0021] Preferably, the shell comprises an upper shell and a lower shell connected with each other, the upper shell and the lower shell are separated by the partition plate, one end of the partition plate is provided with a ventilation opening, a fan blade is arranged at the ventilation opening, the other end of the partition plate forms the air inlet channel and the air outlet channel with the upper shell and the lower shell respectively, and the air inlet channel and the air outlet channel are arranged side by side along the rotation axis direction of the fan blade.

[0022] The first switching mechanism comprises a first ventilation baffle, one end of the first ventilation baffle is hinged at the outer air inlet, and the first ventilation baffle is alternately blocked at the outer air inlet and the inner air inlet, when the first ventilation baffle opens the outer air inlet, the inner air inlet is closed, and when the first ventilation baffle closes the outer air inlet, the inner air inlet is opened.

[0023] The second switching mechanism comprises a second ventilation baffle, one end of the second ventilation baffle is hinged at the outer air outlet, and the second ventilation baffle is alternately blocked at the inner air outlet and the outer air outlet, when the second ventilation baffle opens the inner air outlet, the outer air outlet is closed, and when the second ventilation baffle closes the inner air outlet, the outer air outlet is opened.

[0024] Also provided is a seat comprising a seat body, a ventilation system and a push plate type blowing and sucking air integrated device.

[0025] The ventilation system comprises a ventilation opening arranged in the seat body, and the ventilation opening is communicated with an air inlet and outlet channel, and the inner air inlet and the inner air outlet of the push plate type blowing and sucking air integrated device are connected in parallel at an end of the air inlet and outlet channel which is not communicated with the ventilation opening.

[0026] Also provided is an automobile comprising a seat, and the push plate type blowing and sucking air integrated device is arranged at a bottom position of the seat body.

[0027] The utility model has the following technical effects compared with the prior art:

[0028] When air blowing to the ventilation system is needed, the first switching mechanism is used to connect the outer air inlet with the air inlet channel, the inner air inlet is closed, the second switching mechanism is used to open at least the inner air outlet, so as to connect the inner air outlet with the air outlet channel, at this time, the outer air outlet can be closed or opened, the air passing through the fan enters the ventilation system through the inner air outlet, and the air blowing to the ventilation system is completed; when air suction to the ventilation system is needed, the first switching mechanism is used to connect the inner air inlet with the air inlet channel, the outer air inlet is closed, the second switching mechanism is used to close the inner air outlet, and the outer air outlet is opened, the air in the ventilation system is sucked into the fan through the inner air inlet and is discharged through the outer air outlet, and the air suction to the ventilation system is completed; thus, the conversion of the connection between each air inlet and the air inlet channel and the air outlet channel is completed through the action of the first switching mechanism and the second switching mechanism, and the air blowing and air suction modes of the whole device are realized. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0030] Figure 1 It is an air suction schematic diagram of the whole device in an embodiment of the present application.

[0031] Figure 2 It is an air blowing schematic diagram of the whole device in an embodiment of the present application.

[0032] Figure 3 It is an air blowing schematic diagram of the whole device in an embodiment of the present application.

[0033] Figure 4 It is an air suction schematic diagram of the whole device in an embodiment of the present application.

[0034] Figure 5 It is an overall structure schematic diagram of the whole device in an embodiment of the present application.

[0035] Figure 6 It is an overall structure exploded view of the whole device in an embodiment of the present application.

[0036] Figure 7 It is an air blowing schematic diagram of the whole device in an embodiment of the present application.

[0037] Figure 8 It is an air suction schematic diagram of the whole device in an embodiment of the present application.

[0038] Wherein, 1 - air outlet, 2 - air inlet, 3 - outer air outlet, 4 - outer air inlet, 5 - second ventilation baffle, 6 - first ventilation baffle, 7 - air inlet and outlet, 8 - second driver, 9 - ventilation system, 10 - connecting mechanism, 11 - inner air inlet, 12 - inner air outlet, 13 - fan blade, 14 - partition, 15 - air inlet, 16 - air outlet, 17 - upper shell, 18 - lower shell. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] The utility model discloses a push plate type blowing and sucking air integrated device, seat and car to solve the problem of prior art, so that the fan can realize blowing and sucking two working modes.

[0041] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0042] As Figures 1 to 8 The utility model discloses a push plate type blowing and sucking air integrated device, including: fan, fan is equipped with air inlet 2 and air outlet 1, wherein the inner chamber of shell is rotatably connected with fan blade 13, and the fan blade 13 is connected with the first driver that drives its rotation, and the air inlet 15 and air outlet 16 of fan blade 13 are connected with air inlet 2 and air outlet 1 respectively, and in the process of fan blade 13 work, air inlet 2 is inhaled, and air outlet 1 is exhaled. The air inlet of air inlet 2 is equipped with outer air inlet 4 and inner air inlet 11 that can be communicated with it, and the air inlet of air inlet 2 is equipped with first switching mechanism, and the air inlet of air inlet 2 is switched to connect outer air inlet 4 and inner air inlet 11 through first switching mechanism;The outlet of air outlet 1 is equipped with outer air outlet 3 and inner air outlet 12 that can be communicated with it, and the outlet of air outlet 1 is equipped with second switching mechanism, and the second switching mechanism at least communicates the outlet of air outlet 1 with inner air outlet 12, or cuts off the communication between the outlet of air outlet 1 and inner air outlet 12;Inner air inlet 11 and inner air outlet 12 are connected to ventilation system 9, and outer air inlet 4 and outer air outlet 3 are connected to the external environment;

[0043] When air blowing is needed for the ventilation system 9, the first switching mechanism is used to connect the outer air inlet 4 with the air inlet channel 2, and the inner air inlet 11 is closed, and the second switching mechanism is used to open at least the inner air outlet 12 to connect the inner air outlet 12 with the air outlet channel 1, at this time, the outer air outlet 3 can be closed or opened, and the air passing through the fan enters the ventilation system 9 through the inner air outlet 12 to complete the air inlet for the ventilation system 9; when air suction is needed for the ventilation system 9, the first switching mechanism is used to connect the inner air inlet 11 with the air inlet channel 2, and the outer air inlet 4 is closed, the second switching mechanism is used to close the inner air outlet 12, and the outer air outlet 3 is opened, and the air at the ventilation system 9 is sucked into the fan through the inner air inlet 11 and is discharged through the outer air outlet 3 to complete the air suction for the ventilation system 9; thus, the conversion of the connection between each air inlet and the air inlet channel 2 and the air outlet channel 1 is completed through the action of the first switching mechanism and the second switching mechanism, and then the air blowing and air suction working modes of the whole device are realized.

[0044] In an embodiment, the fan comprises a housing, and a partition plate 14 is arranged in the inner cavity of the housing to separate the air inlet channel 2 and the air outlet channel 1, the inner cavity of the housing is separated by the partition plate 14 to separate the air inlet channel 2 and the air outlet channel 1, and then the outer air inlet 4, the inner air inlet 11, the inner air outlet 12 and the outer air outlet 3 are used to complete the switching of the air suction and air blowing working modes.

[0045] In an embodiment, as shown in Figures 1 to 2 the air inlet channel 2 and the air outlet channel 1 are arranged side by side along the direction perpendicular to the rotation center of the fan; the first switching mechanism comprises a first ventilation baffle 6 and a second ventilation baffle 5 rotating synchronously with the first ventilation baffle 6, one end of the first ventilation baffle 6 is hinged at the partition plate 14 and alternately blocks or opens the inner air inlet 11, the second ventilation baffle 5 is hinged at the outer air inlet 4 and opens the outer air inlet 4 when the first ventilation baffle 6 closes the inner air inlet 11, and closes the outer air inlet 4 when the first ventilation baffle 6 opens the inner air inlet 11; the second switching mechanism also comprises the first ventilation baffle 6, the first ventilation baffle 6 closes the inner air outlet 12 when it opens the inner air inlet 11, and opens the inner air outlet 12 when it closes the inner air inlet 11; the outer air outlet 3 is always connected with the air outlet channel 1. When air blowing is needed for the ventilation system 9, the first ventilation baffle 6 and the second ventilation baffle 5 act synchronously, the second ventilation baffle 5 opens the outer air inlet 4, the first ventilation baffle 6 closes the inner air inlet 11, and the inner air outlet 12 is opened synchronously, the fan sucks air from the outer air inlet 4 and discharges air through the inner air outlet 12 and the outer air outlet 3, and when air suction is needed for the ventilation system 9, the first ventilation baffle 6 and the second ventilation baffle 5 act synchronously, the second ventilation baffle 5 closes the outer air inlet 4, the first ventilation baffle 6 opens the inner air inlet 11, and the inner air outlet 12 is closed synchronously, the fan sucks air from the inner air inlet 11 and discharges air through the outer air outlet 3.

[0046] In the embodiment, the edge of the partition 14 serves as the edge shared by the inner air inlet 11 and the inner air outlet 12, the inner air inlet 11 and the inner air outlet 12 are connected to one end of the air inlet and outlet duct 7, the other end of the air inlet and outlet duct 7 is connected to the ventilation system 9, one end of the first ventilation baffle 6 is hinged at the edge of the partition 14, and the other end is alternatively abutted against the opposite inner walls of the air inlet and outlet duct 7, specifically, the radial cross section of the air inlet and outlet duct 7 is rectangular, and the edge of the partition 14 is linear structure, so that the inner air inlet 11 and the inner air outlet 12 are both rectangular structure, and the first ventilation baffle 6 is also rectangular structure which is adapted to the structure of the inner air inlet 11 and the inner air outlet 12.

[0047] In the embodiment, the first ventilation baffle 6 or the second ventilation baffle 5 is connected with the second driver 8 which drives the rotation of the first ventilation baffle 6 or the second ventilation baffle 5, preferably, the second driver 8 is a telescopic cylinder such as a pneumatic cylinder or an oil cylinder, a connecting mechanism 10 which drives the synchronous rotation of the first ventilation baffle 6 and the second ventilation baffle 5 is arranged between the first ventilation baffle 6 and the second ventilation baffle 5, both ends of the connecting mechanism 10 are hinged on the first ventilation baffle 6 and the second ventilation baffle 5 respectively, so that under the driving of the second driver 8, the first ventilation baffle 6 and the second ventilation baffle 5 are synchronously driven by the connecting mechanism 10 to complete the switching of the blowing and the suction work, and preferably, the connecting mechanism is a plate structure, and a through hole is arranged in the middle of the plate structure to allow the air to pass through, so as to avoid blocking the opened air inlet and outlet.

[0048] In a specific embodiment, as shown in Figures 3 to 4As shown, the air inlet channel 2 and the air outlet channel 1 are arranged side by side in a direction perpendicular to the center of the fan rotation; the first switching mechanism includes a first ventilation baffle 6, one end of the first ventilation baffle 6 is hinged at the outer air inlet 4, and the first ventilation baffle 6 alternatively blocks the outer air inlet 4 and the inner air inlet 11, when the first ventilation baffle 6 opens the outer air inlet 4, the inner air inlet 11 is closed, and when the first ventilation baffle 6 closes the outer air inlet 4, the inner air inlet 11 is opened; the second switching mechanism includes a second ventilation baffle 5, one end of the second ventilation baffle 5 is hinged at the outer air outlet 3, and the second ventilation baffle 5 alternatively blocks the inner air outlet 12 and the outer air outlet 3, when the second ventilation baffle 5 opens the inner air outlet 12, the outer air outlet 3 is closed, and when the second ventilation baffle 5 closes the inner air outlet 12, the outer air outlet 3 is opened. When it is needed to blow air to the ventilation system 9, the first ventilation baffle 6 and the second ventilation baffle 5 act synchronously, the first ventilation baffle 6 opens the outer air inlet 4 and closes the inner air inlet 11, the second ventilation baffle 5 opens the inner air outlet 12 and closes the outer air outlet 3, the fan sucks air from the outer air inlet 4 and discharges air through the inner air outlet 12; when it is needed to suck air to the ventilation system 9, the first ventilation baffle 6 and the second ventilation baffle 5 act synchronously, the first ventilation baffle 6 closes the outer air inlet 4 and opens the inner air inlet 11, the second ventilation baffle 5 closes the inner air outlet 12 and opens the outer air outlet 3, the fan sucks air from the inner air inlet 11 and discharges air through the outer air outlet 3.

[0049] In the embodiment, the edge of the partition plate 14 serves as a common edge of the inner air inlet 11 and the inner air outlet 12, the inner air inlet 11 and the inner air outlet 12 are connected in parallel to one end of the air inlet and outlet channel 7, the other end of the air inlet and outlet channel 7 is connected in communication with the ventilation system 9, one end of the first ventilation baffle 6 is hinged at the edge of the outer air inlet 4 opposite to the partition plate 14, and the other end of the first ventilation baffle 6 abuts against the partition plate 14 or the side of the inner wall of the air inlet channel 2 opposite to the partition plate 14, so as to complete the switching between the outer air inlet 4 and the inner air inlet 11, one end of the second ventilation baffle 5 is hinged at the edge of the outer air outlet 3 opposite to the partition plate 14, and the other end of the second ventilation baffle 5 abuts against the partition plate 14 or the side of the inner wall of the air outlet channel 1 opposite to the partition plate 14, so as to complete the switching between the inner air outlet 12 and the outer air outlet 3; and specifically, the air inlet channel 2, the air outlet channel 1, the outer air inlet 4, the inner air inlet 11, the inner air outlet 12 and the outer air outlet 3 all have a rectangular structure, and correspondingly, the first ventilation baffle 6 and the second ventilation baffle 5 all have a rectangular structure matching the structure. Further, the inner air inlet 11 and the inner air outlet 12 are connected in parallel to the air inlet and outlet channel 7, and the air inlet and outlet channel 7 is connected in communication with the ventilation system 9.

[0050] In the embodiment, the first ventilation baffle 6 or the second ventilation baffle 5 is connected with a second driver 8 for driving rotation thereof, and the second driver 8 is preferably a telescopic cylinder such as a pneumatic cylinder or an oil cylinder. A connecting mechanism 10 for driving synchronous rotation is arranged between the first ventilation baffle 6 and the second ventilation baffle 5, and the two ends of the connecting mechanism 10 are respectively hinged to the first ventilation baffle 6 and the second ventilation baffle 5. Under the driving of the second driver 8, the first ventilation baffle 6 and the second ventilation baffle 5 are synchronously driven by the connecting mechanism 10 to complete switching of the blowing and the suction, and the connecting mechanism is preferably a plate structure with a through hole arranged in the middle portion thereof to avoid blocking the opened air port.

[0051] In a specific embodiment, as shown in Figures 5 to 8 the shell includes an upper shell 17 and a lower shell 18 connected with each other, and a partition plate 14 is arranged between the upper shell 17 and the lower shell 18. One end of the partition plate 14 is provided with an air port, and a fan blade 13 is arranged at the air port. The other end of the partition plate 14 forms an air inlet channel 2 and an air outlet channel 1 with the upper shell 17 and the lower shell 18, respectively, and the air inlet channel 2 and the air outlet channel 1 are arranged side by side along the rotation axis of the fan blade 13. The first switching mechanism includes a first ventilation baffle 6, one end of which is hinged at the outer air inlet 4 and alternately blocks the outer air inlet 4 and the inner air inlet 11. When the first ventilation baffle 6 opens the outer air inlet 4, the inner air inlet 11 is closed, and when the first ventilation baffle 6 closes the outer air inlet 4, the inner air inlet 11 is opened. The second switching mechanism includes a second ventilation baffle 5, one end of which is hinged at the outer air outlet 3 and alternately blocks the inner air outlet 12 and the outer air outlet 3. When the second ventilation baffle 5 opens the inner air outlet 12, the outer air outlet 3 is closed, and when the second ventilation baffle 5 closes the inner air outlet 12, the outer air outlet 3 is opened. When blowing is required for the ventilation system 9, the first ventilation baffle 6 is actuated to open the outer air inlet 4 and close the inner air inlet 11, and the second ventilation baffle 5 is actuated to open the inner air outlet 12 and close the outer air outlet 3. The fan sucks air from the outer air inlet 4 and discharges the air through the inner air outlet 12. When suction is required for the ventilation system 9, the first ventilation baffle 6 is actuated to close the outer air inlet 4 and open the inner air inlet 11, and the second ventilation baffle 5 is actuated to close the inner air outlet 12 and open the outer air outlet 3. The fan sucks air from the inner air inlet 11 and discharges the air through the outer air outlet 3.

[0052] In the embodiment, the first ventilation baffle 6 and the second ventilation baffle 5 are respectively matched with driving motors for driving the rotation thereof, so that the first ventilation baffle 6 and the second ventilation baffle 5 are synchronously rotated under the synchronous operation of the two driving motors, and the switching of the blowing and the suction is completed.

[0053] Further, a seat is also provided, which comprises a seat body, a ventilation system 9 and the push plate type blowing and suction integrated device; the ventilation system 9 comprises ventilation openings built in the seat body, the ventilation openings are communicated with an inlet and outlet air duct 7, the inner inlet opening 11 and the inner outlet opening 12 of the push plate type blowing and suction integrated device are connected in parallel at the end of the inlet and outlet air duct 7 which is not communicated with the ventilation openings, so that the blowing and the suction of the push plate type blowing and suction integrated device are completed, the blowing and the suction of the ventilation system 9 are completed through the ventilation openings, and the adaptability of the seat is improved.

[0054] Further, an automobile is also provided, which comprises a seat, and the push plate type blowing and suction integrated device is located at the bottom of the seat body, so that the automobile with the seat integrated with the blowing and the suction is realized, the blowing and the suction of the seat are realized, the adaptability of the seat is improved, and the driving experience is improved.

[0055] The adaptability changes according to the actual requirements are all within the protection scope of the utility model.

[0056] It should be noted that, for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0057] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment description is only for helping to understand the method and core idea of the utility model; meanwhile, for those skilled in the art, according to the idea of the utility model, the specific implementation mode and application range will all have changes. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A push-plate type integrated blowing and suction device, characterized in that, include: The fan is provided with an air inlet channel and an air outlet channel; The air inlet channel is provided with an external air inlet and an internal air inlet that can be connected to it. The air inlet channel is provided with a first switching mechanism, and the air inlet channel is switched to connect the external air inlet and the internal air inlet through the first switching mechanism. The outlet of the air outlet channel is provided with an external air outlet and an internal air outlet that can be connected to it. The outlet of the air outlet channel is provided with a second switching mechanism. The second switching mechanism can at least connect the outlet of the air outlet channel with the internal air outlet, or cut off the connection between the outlet of the air outlet channel and the internal air outlet. The internal air inlet and the internal air outlet are connected in parallel to the ventilation system, and the external air inlet and the external air outlet are both connected to the external environment.

2. The push-plate type integrated blowing and suction device according to claim 1, characterized in that, The fan includes a housing, and the inner cavity of the housing is provided with a partition for separating the air inlet channel and the air outlet channel.

3. The push-plate type integrated blowing and suction device according to claim 2, characterized in that, A fan blade is rotatably connected to the inner cavity of the housing. The fan blade is connected to a first driver that drives its rotation. The air inlet and air outlet of the fan blade are respectively connected to the air inlet channel and the air outlet channel.

4. The push-plate type integrated blowing and suction device according to claim 2 or 3, characterized in that, The air inlet channel and the air outlet channel are arranged side by side along a direction perpendicular to the rotation center of the fan; The first switching mechanism includes a first ventilation baffle and a second ventilation baffle that rotates synchronously therewith. One end of the first ventilation baffle is hinged to the partition and alternately blocks or opens the inner air inlet. The second ventilation baffle is hinged to the outer air inlet and opens the outer air inlet when the first ventilation baffle closes the inner air inlet, and closes the outer air inlet when the first ventilation baffle opens the inner air inlet. The second switching mechanism also includes the first ventilation baffle. When the first ventilation baffle opens the inner air inlet, it closes the inner air outlet. When the first ventilation baffle closes the inner air inlet, it opens the inner air outlet. The external air vent is always connected to the air outlet channel.

5. The push-plate type integrated blowing and suction device according to claim 4, characterized in that, The first ventilation baffle or the second ventilation baffle is connected to a second driver that drives it to rotate. A connecting mechanism that drives the first ventilation baffle and the second ventilation baffle to rotate synchronously is provided between them. The two ends of the connecting mechanism are respectively hinged to the first ventilation baffle and the second ventilation baffle.

6. The push-plate type integrated blowing and suction device according to claim 2 or 3, characterized in that, The air inlet channel and the air outlet channel are arranged side by side along a direction perpendicular to the rotation center of the fan; The first switching mechanism includes a first ventilation baffle, one end of which is hinged to the external air inlet and alternately blocks the external air inlet and the internal air inlet. When the first ventilation baffle opens the external air inlet, it closes the internal air inlet. When the first ventilation baffle closes the external air inlet, it opens the internal air inlet. The second switching mechanism includes a second ventilation baffle, one end of which is hinged to the outlet air vent and alternately blocks the inner air vent and the outlet air vent. When the second ventilation baffle opens the inner air vent, it closes the outlet air vent; when the second ventilation baffle closes the inner air vent, it opens the outlet air vent.

7. The push-plate type integrated blowing and suction device according to claim 6, characterized in that, The first ventilation baffle or the second ventilation baffle is connected to a second driver that drives it to rotate. A connecting mechanism that drives the first ventilation baffle and the second ventilation baffle to rotate synchronously is provided between them. The two ends of the connecting mechanism are respectively hinged to the first ventilation baffle and the second ventilation baffle.

8. The push-plate type integrated blowing and suction device according to claim 2 or 3, characterized in that, The housing includes an upper housing and a lower housing connected together, with a partition separating the upper housing and the lower housing. One end of the partition is provided with a vent, and a fan blade is provided at the vent. The other end of the partition forms an air inlet channel and an air outlet channel with the upper housing and the lower housing, respectively. The air inlet channel and the air outlet channel are arranged side by side along the rotation axis of the fan blade. The first switching mechanism includes a first ventilation baffle, one end of which is hinged to the external air inlet and alternately blocks the external air inlet and the internal air inlet. When the first ventilation baffle opens the external air inlet, it closes the internal air inlet. When the first ventilation baffle closes the external air inlet, it opens the internal air inlet. The second switching mechanism includes a second ventilation baffle, one end of which is hinged to the outlet air vent and alternately blocks the inner air vent and the outlet air vent. When the second ventilation baffle opens the inner air vent, it closes the outlet air vent; when the second ventilation baffle closes the inner air vent, it opens the outlet air vent.

9. A type of seat, characterized in that, Includes the seat body, ventilation system, and push-plate type integrated blowing and suction device as described in any one of claims 1 to 8; The ventilation system includes a vent built into the seat body, the vent being connected to an air inlet and outlet duct, and the inner air inlet and inner air outlet of the push-plate type blow-suction integrated device being connected in parallel to the end of the air inlet and outlet duct that is not connected to the vent.

10. A car, characterized in that, The seat as described in claim 9 includes a push-plate type integrated blowing and suction device located at the bottom of the seat body.

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