TWM546924U - Improved ventilation module of car seat - Google Patents

Description

Car seat ventilation improvement module

The present invention relates to a seat structure, in particular to a car seat ventilation improvement module that uses a fan to distribute air-conditioning airflow to the air duct and vent hole of the seat, so that the occupant feels uniform ventilation and comfort.

According to the general car, in order to strengthen the support and comfort of the seat relative to the human body, an elastic foam body is fixed on the support body, and a breathable outer layer is coated on the outer part of the whole seat to make the whole seat. The structure is more complete and adds to the beauty of the seat.

When the user rides on the seat, the outer layer of the breather is in contact with the occupant. Although the different materials of the breathable outer layer have different touches, the overall structure is quite large between the seat and the human body. The contact area, but the temperature of the contact part is not easy to discharge, so it often produces an uncomfortable feeling of sultry heat, even when the sweat of the human body is absorbed by the outer breathable outer layer or the elastic foam body, it will accumulate on the seat. Form an unpleasant smell.

In order to improve the suffocation and odor of the occupants, the auto industry will add heat sinks to its seats. The method is to open air intakes and air passages on the seat cushions and seat backs of the car seats. The air supply device sends the automobile cold air from the air inlet hole into the air flow channel, and then contacts the human body through the air permeable outer layer to achieve the effect of heat dissipation or ventilation. However, the conventional air flow path exhibits a long strip-like structure, so the more the flow resistance is farther away from the position of the intake hole, the less the flow of cold air will be, and the air is close to the position of the intake hole. The flow path, because of the small flow resistance, the flow rate of the car's air-conditioning will be very large; because the car's air-conditioning is concentrated in the belt-shaped air flow path, the occupants will have a part of the cold, and most of the other seats The contact area still has a noticeable sultry feeling; obviously, the conventional car ventilated seat structure cannot bring comfort to the occupant and effectively improve the odor accumulation in the seat.

The main purpose of this creation is to provide a car seat ventilation improvement module with ventilation and heat dissipation effect to solve the lack of sultry and odor accumulation of the conventional car seat.

Another object of the present invention is to provide a car seat ventilation improvement module, which allows the air-conditioning airflow to be distributed in a planar manner and uniformly sent out from the breathable outer layer of the seat, so that the human body feels comfortable.

In order to achieve the above objectives, the technical means adopted by the present invention include: a support body; a foam body, which is mounted on the support body, and has a main air passage on the inner side thereof and a split air passage connected thereto, a venting hole is disposed at the end of the splitting air passage and penetrates the foam body; a fan device is mounted on the support body, the lower edge of the inner side surface of the foam body, and has a motor and a blade group driven by the same, a cover body assembled to the outer edge of the blade group, and an air duct disposed along a tangential direction of the outer circumference thereof, the air outlet pipe system being connected to the entrance of the main air duct Passing through; an air permeable outer layer covering the upper edge of the outer side of the foam body.

Thereby, when the fan device is activated, the cold airflow in the automobile will be pumped through the blade group, flow through the main air passage and the split air passage to be distributed to the ventilation holes, and then sent out from the air permeable outer layer to make the human body feel The feeling of ventilation is comfortable.

According to the foregoing feature, in the present invention, the foam body is further provided with a return air hole extending through the foam body on a side away from the vent hole, so that the cold air flow is recirculated to adsorb the gas permeable outer layer to be adhered to the foam. Above the body.

According to the foregoing feature, in the present invention, the main air duct extends forward from the entrance and surrounds the peripheral edge of the foam body, and then connects the split air duct, and a shunt body is further disposed in the shunt air duct. The third venting hole is used to further enhance the ventilation effect.

According to the foregoing feature, in the present invention, the outer surface of the foam body is further provided with a plurality of concave grooves corresponding to the periphery of the ventilation hole, and a plurality of fiber springs are correspondingly installed in the concave groove, because Fiber springs have good flexibility and ventilation, which will improve the uniformity of ventilation and ride comfort.

According to the foregoing feature, the ventilation improvement module includes a seat cushion or a seat back disposed in the car seat; and the fan device is further selected to be rotated in the forward and reverse directions, and when the reverse rotation is selected, the air flow is from the The fiber spring is delivered; when it is selected to rotate in the forward direction, the cold air flow is drawn from the fiber spring.

With the help of the pre-existing feature, the present invention applies a fan device to pump the cold airflow in the car into the venting hole of the foam body, and then contacts the human body through the permeable outer layer to achieve the effect of heat dissipation or ventilation, thereby solving the conventional car seat. The sultry feeling of the chair and the lack of odor accumulation. Furthermore, the present invention distributes the cold airflow drawn by the fan unit to each venting hole through the main air duct and the distributing air duct connected thereto, and then sends out the fiber spring with good elasticity and ventilation, so that the air-conditioning can be performed. The surface is distributed and evenly in contact with the human body, so that the human body riding in the car feels comfortable.

First, please refer to FIG. 1 to FIG. 2, which is a structural diagram of a vehicle seat ventilation module. The car seat 100 includes a combination of a seat cushion 200 and a seat back 300, and the seat cushion 200 and the seat back 300 are The structure of the present invention is: a support body 10, a foam body 20, a plurality of fiber springs 30, a gas permeable outer layer 40, and a fan device 50; The support body 10 is a rigid frame body, and the material thereof is mostly metal products, but not limited thereto, the function is to fix and support the related components of the creation, and at the same time to bear the weight applied by the occupant to the car seat; The foam body 20 is mounted on the support body 10. When the occupant applies a load on the seat, it feels comfortable because of its elasticity; the surface of the foam body 20 is provided with a plurality of concave grooves 21, each of which is provided with a plurality of concave grooves 21, A venting hole 22 penetrating the foam body 20 is disposed at a position close to the center of the recessed groove 21, and the foam body 20 is further provided with a penetrating the foam body 20 on a side away from the venting hole 22. Return air hole 23; the fiber spring 30 is corresponding to the shape and size of the recessed groove 21 Small, and installed in the recessed groove 21 of the foam body 20; the gas permeable outer layer 40 is coated on the foam body 20, and the material thereof may be leather or plastic leather cloth, and the function thereof is to make the fiber spring 30 is positioned in the recessed groove 21, and at the same time, the appearance of the car seat can be increased; and the fan device 50 is mounted on the support body 10 and disposed at the lower edge of the foam body 20.

Please refer to FIG. 3 to FIG. 6 for a cross-sectional structure of the fan unit 50 and the cold air flow path, wherein the fan unit 50 has a motor 51 and a blade group 52 driven by the same, and the center thereof is advanced. a tuyere 55; a shunting cover 53 is assembled on the outer edge of the vane set 52, and an air duct 54 is disposed along a tangential direction of the outer circumference of the shunt cover 53; and the inner side of the foam body 20 A main air duct 24 and a shunt air duct 25 connected thereto are disposed, and an intersection of the shunt air duct 25 and the main air duct 24 is an arc-shaped V-shaped interface, so that the airflow passing through the main air duct 24 The air distribution duct 54 is connected to the inlet of the main air duct 24, and the air return hole 23 is adjacent to the air inlet 55 of the fan unit 50 to partially cool the air. The gas stream can be reflowed to the blade set 52 to adsorb the gas permeable outer layer 40 to adhere to the upper edge of the foam body 20. In order to enhance the splitting effect of the cold air flow, the main air duct 24 further extends forward from the inlet and surrounds the inner circumference of the foam body 20, and then connects the split air duct 25, so that the main air duct 24 has a considerable length. The passage is bypassed to reduce the wind resistance of the outlet duct 54 and to prevent backwinding of the blade assembly 52. Furthermore, in the first embodiment of the present invention, two ventilation holes 22 are provided, which are respectively disposed at the end of the split air duct 25 and penetrate the foam body 20; in the second embodiment of the present invention, A third venting hole 221 penetrating the foam body 20 is disposed in the split air duct 25 to further enhance the ventilation effect. In the present creation, the fan unit 50 can further be selected to rotate in forward and reverse directions. When the reverse rotation is selected, the cold air flow is sucked from the air inlet 55 in the blade group 52 and is along the shunt 53. The air outlet tube 54 in the tangential direction of the circumference flows out, and then enters the vent hole 22 and the third vent hole 221 through the main air duct 24 and the split air duct 25, and is sent out through the fiber spring 30; when the forward rotation is selected, The cold air is taken in from the fiber spring 30, through the vent/third vent 22/221, the split duct 25, the main duct 24, the outlet duct 54, and finally discharged through the air inlet 55 of the blade group 52.

Since the present invention applies the fan device 50 to pump the cold air A in the automobile into the vent hole 22 of the foam body 20, and then contacts the human body through the permeable outer layer 40, thereby improving the lack of sultry feeling and odor accumulation of the car seat. . Furthermore, the present invention distributes the cold air A extracted by the fan unit 50 to each of the vent holes 22 by the main air duct 24 provided on the inner side surface of the foam body 20 and the split air duct 25 connected thereto, and then has The fiber spring 30 of good elasticity and ventilation is sent out, so that the cold air can be distributed in a planar shape and uniformly contact with the human body, so that the human body riding in the car feels comfortable.

In summary, the structure revealed by this creation is unprecedented, and it can achieve the improvement of efficacy, and it can be used for industrial utilization. It fully complies with the new patent requirements, and invites the bureau to grant patents to encourage innovation. There is no sense of morality.

However, the drawings and descriptions disclosed above are only preferred embodiments of the present invention, and modifications or equivalent changes made by those skilled in the art in accordance with the spirit of the present invention should still be included in the scope of the patent application.

10‧‧‧Support
20‧‧‧foam body
21‧‧‧recessed trough
22‧‧‧ventilation holes
221‧‧‧ third vent
23‧‧‧ return air hole
24‧‧‧main air duct
25‧‧‧Diversion air duct
30‧‧‧Fiber spring
40‧‧‧ breathable outer layer
50‧‧‧Fan device
51‧‧‧Motor
52‧‧‧blade group
53‧‧‧Diversion cover
54‧‧‧Air duct
55‧‧‧Air inlet
100‧‧‧ car seats
200‧‧‧ seat cushion
300‧‧‧Back of the chair
A‧‧‧ air conditioning

Figure 1: An exploded view of the creation. Figure 2: A three-dimensional combination of the creations. Figure 3: is a cross-sectional view of the fan device of the present invention. Fig. 4 is a schematic view showing the flow path of the cold air flow in the first embodiment of the present invention. Fig. 5 is a schematic view showing the flow path of the cold air flow of the second embodiment of the present invention. Fig. 6 is a cross-sectional view showing the cold air flow path of the first embodiment of the present invention.

10‧‧‧Support

20‧‧‧foam body

21‧‧‧recessed trough

22‧‧‧ventilation holes

221‧‧‧ third vent

23‧‧‧ return air hole

30‧‧‧Fiber spring

50‧‧‧Fan device

54‧‧‧Air duct

100‧‧‧ car seats

200‧‧‧ seat cushion

300‧‧‧Back of the chair

Claims (7)

A car seat ventilation improvement module comprises: a support body; a foam body mounted on the support body, a main air duct and a shunt air passage connected thereto are disposed on an inner side thereof, and the shunt An arc-shaped V-shaped interface is formed between the air duct and the main air duct, so that the airflow passing through the main air duct can be evenly dispersed into the split air duct, and two ventilation holes are respectively disposed in the split air. a fan device is disposed on the support body, the lower edge of the inner side surface of the foam body, and has a motor and a blade group driven by the same, a cover The body is assembled on the outer edge of the blade group, and an air duct is disposed along a tangential direction of the outer circumference thereof, and the air outlet pipe is connected to the inlet of the main air duct; a gas permeable outer layer is coated on the body The upper edge of the outer side of the foam body; thereby, when the fan device is activated, the cold air flow in the automobile will be pumped through the blade group, flow through the main air passage and the split air passage to be distributed to the ventilation holes, and then From the breathable outer layer, the human body feels through Comfortable feeling. The automobile seat ventilation improvement module of claim 1, wherein the foam body further has a return air hole penetrating through the foam body on a side away from the ventilation hole, so that the cold air flow is recirculated. The gas permeable outer layer is adsorbed to adhere to the upper edge of the foam body. The vehicle seat ventilation improvement module of claim 1, wherein the main air duct extends forward from the inlet thereof and surrounds the peripheral edge of the foam body, and then connects the split air duct to the main air duct. The duct has a considerable length of bypass path to reduce the wind resistance of the duct and prevent backwind from flowing back the set. The vehicle seat ventilation improvement module of claim 3, wherein a third ventilation hole extending through the foam body is further disposed in the split air passage to further enhance the ventilation effect. The vehicle seat ventilation improvement module of claim 1, wherein the outer side of the foam body is further provided with a plurality of concave grooves corresponding to the circumference of the ventilation hole, and a plurality of fiber springs are Correspondingly installed in the recessed groove, the fiber spring has good elasticity and ventilation, which improves the uniformity of ventilation and the comfort of riding. The car seat ventilation improvement module according to any one of claims 1 to 5, which is provided in a seat cushion or a seat back of a car seat. The car seat ventilation improvement module according to claim 6, wherein the fan device is further selected to rotate in forward and reverse directions, and when the reverse rotation is selected, cold air is sent out from the ventilation hole; When the forward rotation is selected, cold air is drawn in from the vent.