JP3113451U - Chair automatic air feeding device - Google Patents

Abstract

【Task】
Provided is an automatic air feeding device for a chair that has a ventilation effect by feeding air using the vertical movement of the chair without using a power device.
[Solution]
The automatic air feeding device of the chair is connected to the lower part of the seat surface that moves the movable plate up and down, moves up and down together with the seat surface, installs a spring in the shape of the movable plate, and expands and contracts on the upper and lower surfaces of the movable plate. When a bag is installed and the movable plate is moved up and down, one air bag inflates and the other air bag shrinks. The upper and lower air bags are provided with unidirectional air inlets and air outlets, and the air outlets of each air bag communicate with the seat surface and backrest surface of the chair. As a result, the seat moves up and down when it passes through a non-planar surface during travel or when the user changes its posture, and the movable plate moves up and down accordingly, and one of the two upper and lower air bags. Exhausts air and sends air to the seat and backrest.
[Selection] Figure 1

Description

  The present invention relates to an automatic air feeding device for a chair, and more particularly, to a device having a ventilation effect by feeding air using the vertical movement of a chair without using a power device.

Comfort is very important for various vehicle chairs or office chairs, and ergonomic design as well as ventilation and ventilation must be taken into account. In the case of a vehicle chair, the user is very uncomfortable if sweat and heat are not smoothly removed by the contact surface such as the seat or back of the chair. In the market, there are chairs equipped with an air feeding function (for example, Patent Document 1), but all use electricity to send air to a fan or pump.
Japanese Patent Laid-Open No. 7-8354

  The present invention has been made in view of the above-described problems, and it is an object of the present invention to provide an apparatus for sending air to a contact surface between a user and a chair without a power unit.

  The present invention connects the movable plate below the seat surface that moves up and down, moves up and down with the seat surface, installs a spring in the shape of the movable plate, and installs air bags that expand and contract on the upper and lower surfaces of the movable plate, When the movable plate is moved up and down, one of the air bags expands and the other air bag contracts. The upper and lower air bags are provided with unidirectional air inlets and air outlets, and the air outlets of each air bag communicate with the seat surface and backrest surface of the chair. As a result, the seat moves up and down when it passes through a non-planar surface during travel or when the user changes its posture, and the movable plate moves up and down accordingly, and one of the two upper and lower air bags. The main feature is that it exhausts air and sends air to the seat and back.

  According to the automatic air feeding device for a chair of the present invention, there is an advantage that air is fed by using the vertical movement of the chair without using a power device, thereby providing a ventilation effect.

Example 1
A preferred embodiment of an automatic air feeding device for a chair according to the present invention will be described with reference to the drawings.
As shown in FIGS. 1, 2, 3, and 4, the automatic ventilator 1 of the embodiment of the present invention is used in combination with the seat surface 20 of the chair 2, and mainly includes two upper and lower telescopic air bags 10 and 11. The movable plate 12 is arranged between the two telescopic air bags 11 and 12 and is movable up and down, and a plurality of springs 13 for moving the movable plate 12 backward.
Among them, the movable plate 12 is connected to the lower side of the seat surface 20 of the chair 2 to form an interlocking body. However, the connection method or structure is not limited, and the movable plate 12 and the seat surface 20 move up and down within a suitable height range. The two upper and lower telescopic air bags 10 and 11 perform an operation of extending or contracting in the vertical direction, and are installed above and below the movable plate 12. When the movable plate 12 moves up and down, the upper and lower air bags 10 and 11 perform repetitive motions such that air enters and enlarges at the same time, and air exits and decreases.
Further, on the upper and lower air bags 10 and 11, unidirectional air inlets 101 and 111 and unidirectional air outlets 102 and 112 (having a check valve function (not shown)) are respectively provided. The upper and lower two air bags 10 and 11 each perform these operations. When the air bags 10 and 11 become large, the air enters the air bags 10 and 11 from the air inlets 101 and 111, and when the air bags 10 and 11 are compressed, the air in the air bags 10 and 11 becomes The air is discharged from the air discharge ports 102 and 112. The air discharge ports 102 and 112 of the air bags 10 and 11 communicate with the surface of the seat surface 20 or the backrest surface 21 of the chair 1 through the communication pipe 30, and the air discharged from the air bags 10 and 11 is The air is discharged from a ventilation structure previously installed on the seating surface 20 or the backrest surface 21.
An air feeding effect is brought about on the outer surface of the seating surface 20 and the backrest surface 21 in contact with the person. Various designs can be considered for the ventilation structure that is set in advance on the seat surface 20 or the backrest surface 21. For example, a ventilation hole 202 is provided on the sponge body 201 of the seat or the backrest, or a ventilation cloth (blowing) is provided on the outer surface of the sponge body 201. The seat surface 20 or the backrest surface 21 is provided with comfort and breathability of the sponge body. However, these ventilation structures are not a feature of the present invention, and will not be described in detail.

  Further, a good assembly structure is formed between the upper and lower two air bags 10 and 11, the movable plate 12 and the spring 13, and a box-shaped lower frame 14 is formed as shown in FIGS. The bottom frame 14 has two upper and lower air bags 10 and 11 in the inner space of the lower frame 14 and a movable plate 12 between them. The uppermost surface 103 and the bottom surface 104 of the upper air bag 10 are respectively movable with the inner uppermost surface 141 and the movable surface of the lower frame 14. The upper surface 113 and the bottom surface 114 of the lower air bag 11 are fixed on the lower plate surface 122 of the movable plate 12 and the inner bottom surface 142 of the lower frame, respectively. Further, the movable plate 12 is moved up and down within the lower frame 14 by a guide rail structure 120 that is vertically directed between the movable plate 12 and the lower frame 14. The vertical guide rail structure 120 has a plurality of guide protrusions 123 installed on the movable plate 12 and corresponds to a plurality of vertical guide tanks installed on the lower frame 14, and the guide protrusions 123 move vertically in the guide tank 143. Exercise. In addition, a plurality of guide protrusions 123 serve as loading points above the lower frame 14, a U-shaped outer cover upper frame 15 is installed, and an interlocking body is formed by the upper frame 15 and the movable plate 12. It moves up and down relative to the frame 14. The upper frame 15 is connected to the lower side of the seating surface 20 of the chair 2 and becomes an interlocking body that moves up and down at the same time. The spring 13 is installed between the upper frame 15 and the lower frame 14 and is a compression spring. The spring 13 is expanded and contracted by the combined body of the seat surface 20, the upper frame 15 and the movable plate 12, and is restored by the recovery force of the spring 13.

When the user sits on the seat surface 20 of the chair 2, the vehicle shakes up and down. For example, a general vehicle sits down when the car body shakes up and down during driving or the position where the user sits. When the up-and-down wave motion occurs on the surface 20, and the interlocking body of the seat surface 20, the upper frame 15 and the movable plate 12 moves downward, as shown in FIG. The bag 11 is compressed to discharge air, and the air communicates with the surface of the seat surface 20 or the backrest surface 21 of the chair 2 through the communication pipe 30. The interlocking body of the seat surface 20, the upper frame 15 and the movable plate 12 is moved upward by the spring 13, and as shown in FIG. 6, the lower air bag 11 becomes larger and the upper air bag 10 is compressed and air is released. The air inside the upper air bag 10 exits from the air outlet 102 of the upper air bag 10.
The communication pipe 30 communicates with the surface of the seat surface 20 or the backrest surface 21 of the chair 2. Therefore, every time the seat surface 20 is waved up and down, an air feeding function is generated, and air is fed into the seat surface or the backrest surface of the chair without using a power unit, which is comfortable.

  There is no restriction on the installation method and position of the unidirectional air inlets 101, 111, the air outlets 102, 112 or the communication pipe 30 installed in the upper and lower air bags 10, 11 (having a check valve function) As shown in FIGS. 3 and 4, it is installed on the seating surface 20 or the backrest surface 21 by an exposure method.

(Example 2)
Alternatively, as shown in FIG. 7, the storage system is adopted, and the air inlet 111, the air outlet 112 and the communication pipe 30 of the lower air bag 11 are directed upward from the uppermost surface 113, the movable plate 12, the upper air bag 10 and the upper frame. 15 is communicated with the seat surface 20 or the backrest surface 21. This reduces the number of exposed tubes and reduces the space.

  The automatic air feeding device 1 of the present invention is installed in various chairs, and is applied to chairs of general vehicles, bicycles, office chairs, and the like. Also, the size of the automatic air feeding device 1 can be adjusted according to the chair.

It is the use external view which combined the Example and chair of this invention. FIG. 2 is an exploded view of FIG. 1. It is a three-dimensional view of an embodiment of the present invention. It is sectional drawing of FIG. It is an air flow instruction | indication figure when this invention moves below. It is an air flow instruction | indication figure when this invention moves upwards. It is sectional drawing of another Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Automatic ventilation apparatus 10 Upper air bag 101 Air inlet 102 Air outlet 103 Top surface 104 Bottom surface 11 Lower air bag 111 Air inlet 112 Air outlet 113 Top surface 114 Bottom surface 12 Movable plate 120 Guide rail structure 121 Upper plate surface 122 Lower plate surface 123 Guide convex 13 Spring 14 Lower frame 141 Inner uppermost surface 142 Inner bottom surface 143 Guide tank 15 Upper frame 2 Chair 20 Seat surface 201 Sponge body 202 Vent hole 203 Vent cloth 21 Backrest surface 30 Communication pipe

Claims (7)

In an automatic air feeding device for a chair composed of a lower frame, an upper frame, two upper and lower air bags, a movable plate movable up and down, and a spring,
In a box-shaped frame, two upper and lower air bags and a movable plate installed between the two air bags are installed in the inner space. The upper and lower surfaces of the upper air bag are the upper surface and the upper surface of the movable plate, respectively. The upper and lower surfaces of the lower air bag are connected to the lower plate surface and the bottom surface of the movable plate, respectively, and the movable plate is in a space between the movable plate and the lower frame by a vertical guide rail structure. A lower frame that moves up and down,
An upper frame that is connected to the movable plate inside the lower frame and the seat surface of the chair to form an interlocking body, and an upper frame that moves up and down relative to the lower frame;
A movable plate that is installed between two upper and lower expanding and contracting air bags and connected to the upper frame and the seating surface to form an interlocking body, and moves up and down within a suitable height,
Installed on the upper and lower surfaces of the movable plate, each with a unidirectional air inlet and air outlet, moving up and down, air enters one of the two upper and lower, air is discharged from the other, Both the upper and lower air discharge ports are connected to the seat surface and backrest surface of the chair by communication pipes, and the discharged air is an air bag discharged outside from the ventilation structure installed on the seat surface and backrest surface,
It is installed between the upper frame and the lower frame.
With the structure described above, when the seat surface is waved up and down, the movable plate moves up and down, air is discharged from one of the two upper and lower air bags, air enters another air bag, An automatic air feeding device for a chair, which sends air to a seating surface and a backrest surface.   The ventilation structure installed on the seat surface and the backrest surface of the chair covers a vertical ventilation hole or a sponge body outer surface installed on the sponge body of the seat surface, the backrest surface with a ventilation cloth. Automatic air feeding device of the described chair.   The upper and lower guide rail structure installed between the movable plate and the lower frame is provided with a plurality of guide protrusions protruding outward from the movable plate, and correspondingly a vertical guide tank is installed on the lower frame. 2. The interlocking body is formed together with the movable plate by being installed on the guide protrusion so that the guide protrusion moves up and down in the guide tank and the upper frame serves as a fulcrum by the plurality of guide protrusions. Chair automatic air infeed device.   2. The automatic air feeding device for a chair according to claim 1, wherein the two upper and lower air bags are not restricted in a unidirectional air inlet / outlet, a communication pipe installation method, and a position.   5. The automatic air feeding device for a chair according to claim 4, wherein the air inlet, the air outlet, and the communication pipe installed in the two upper and lower air bags communicate with each other inside the seat surface or the backrest surface by an exposure method. .   5. The automatic air feeding device for a chair according to claim 4, wherein the air inlet, the air outlet, and the communication pipe installed in the two upper and lower air bags communicate with each other inside the seat surface or the backrest surface by a storage system. . The air discharge port and the communication pipe of the lower air bag pass through the movable plate, the upper air bag and the upper frame and communicate with the inside of the seat surface or the backrest surface, and the air discharge port and the communication pipe of the upper air bag connect the upper frame. The automatic air feeding device for a chair according to claim 6, wherein the automatic air feeding device of the chair passes through and communicates with the interior of the seating surface or the backrest surface.

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