Seat cushion foam structure of automobile seat

Abstract

The utility model provides a cushion foam structure for a car seat, and relates to the technical field of car seat cushions. A cushion foam structure for a car seat comprises a cushion body made of soft polyurethane foam plastic, a placement groove is provided on the top of the cushion body, a fixed bottom plate is fixedly connected to the inner bottom wall of the placement groove, a movable top plate is installed inside the placement groove, an elastic mechanism is fixedly connected between the fixed bottom plate and the movable top plate, the elastic mechanism comprises a fixed air cylinder fixed on the fixed bottom plate, and a movable slide rod is slidably connected to the top of the fixed air cylinder. The device increases the overall elasticity of the cushion body under the action of the fixed air cylinder, the movable slide rod and the first spring through the provided elastic mechanism, thereby increasing the comfort of the cushion body, and heats the inside of the placement groove under the action of the heating mechanism, so that the cushion body has an automatic heating effect.

Description

Technical Field

[0001] The utility model relates to a seat cushion foam structure of an automobile seat, in particular to a seat cushion foam structure of an automobile seat, and belongs to the technical field of automobile seat cushions. Background Art

[0002] With the development of economy and the improvement of living standards, more and more cars have entered thousands of households. As a means of transportation, cars have become a part of many people's lives, and car seat cushions are a kind of car interior decoration that private car owners often have. The so-called car seat is the seat you sit on when riding in a car. According to the parts, it can be roughly divided into: front seats: headrest, backrest, cushion, (armrest), back seats: (headrest), backrest, cushion, side wing, (armrest), car seat cushion is a car interior product used to pad on car seats to protect the surface of car seats, improve riding comfort and / or play a decorative role.

[0003] Chinese patent announcement number CN215284504U discloses a new type of car seat cushion with comfortable sitting feeling, including a seat cushion body made of soft polyurethane foam plastic, wherein the front two sides of the seat cushion body are respectively provided with a leg support part protruding forward for supporting the user's legs; the upper surface of the seat cushion body is provided with a groove structure, and a gel layer is provided in the groove structure; the thickness Δ1 of the new type of car seat cushion is 4-6cm, and the thickness Δ2 of the gel layer is 3-6mm; the new type of car seat cushion is provided with air holes penetrating through the upper surface of the gel layer to the lower surface of the seat cushion body in groups; the air holes are arranged in a forward tilted shape, and the tilt angle α is 5-15°. The car seat cushion of the utility model adopts a brand-new structure to ensure the comfort of the user when riding, and the structure is novel and unique, which can avoid falling into the situation of homogenized low-price competition with car seat cushions on the market.

[0004] Chinese patent announcement number CN217804463U discloses a car seat, including a seat body and a headrest, the seat body including a seat cushion and a backrest arranged on the seat cushion, the backrest is provided with a mounting groove, and also includes an adjustment mechanism, the adjustment mechanism includes a screw rod rotatably arranged in the mounting groove, a mounting block sleeved on the screw rod, and a power mechanism for driving the screw rod to rotate, the headrest is arranged on the mounting block. The utility model is provided with an adjustment mechanism, and can realize the height adjustment of the mounting block according to the needs of the user by opening the power mechanism to drive the screw rod to rotate, that is, to realize the height adjustment of the headrest, and the adjustment distance is controllable and accurate, the structure is simple, and it is easy to use.

[0005] However, the inventor of the above device believes that there are certain defects. The seat cushion structure in the above device has a relatively simple function and lacks a heating function, which reduces the user experience and riding comfort in cold weather. For this reason, the utility model provides a seat cushion foam structure for a car seat. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The purpose of the present utility model is to provide a seat cushion foam structure for a car seat in order to solve the above-mentioned problems, so as to solve the problem that the seat cushion structure in the above-mentioned comparative documents has a relatively single function and lacks a heating function, which reduces the user's experience and riding comfort in cold weather.

[0008] (II) Technical solution

[0009] The utility model is implemented through the following technical scheme: a seat cushion foam structure of a car seat, comprising a seat cushion body made of soft polyurethane foam plastic, a placement groove is opened on the top of the seat cushion body, the inner bottom wall of the placement groove is fixedly connected with a fixed bottom plate, a movable top plate is installed inside the placement groove, an elastic mechanism is fixedly connected between the fixed bottom plate and the movable top plate, the elastic mechanism comprises a fixed air cylinder fixed on the fixed bottom plate, a movable sliding rod is slidably connected to the top of the fixed air cylinder, one end of the movable sliding rod arranged inside the fixed air cylinder is fixedly connected with a first spring, a top pad is fixedly connected to the top of the movable top plate, and a heating mechanism is provided inside the placement groove.

[0010] Preferably, a piston plate is fixedly connected to the bottom of the movable sliding rod, and the piston plate is slidably connected to the inside of the fixed air cylinder. When the piston plate slides downward inside the fixed air cylinder, the air in the fixed air cylinder is squeezed and compressed downward by the piston plate to perform buffering, thereby improving the comfort of the seat cushion body.

[0011] Preferably, the elastic mechanism also includes an extrusion airbag fixed on the top of the fixed bottom plate, and the extrusion airbag and the fixed air cylinder are connected through a connecting air pipe. When the movable top plate squeezes the extrusion airbag downward, the air inside the extrusion airbag is filled into the interior of the fixed air cylinder through the connecting air pipe to perform further cushioning.

[0012] Preferably, the heating mechanism comprises a plurality of electric heating tubes, which are distributed on the top of the fixed bottom plate in a linear array, and the seat cushion body is heated by starting the electric heating tubes.

[0013] Preferably, a fixed base is fixedly connected to the top of the fixed base plate, and the electric heating tube is installed inside the fixed base, and a plurality of electric heating tubes are installed and fixed by the provided fixed base.

[0014] Preferably, a ventilation hole is provided on the top of the top pad, and a through hole corresponding to the ventilation hole is provided on the movable top plate, and the ventilation hole and the corresponding through hole improve the air permeability of the device.

[0015] Preferably, the top cushion comprises an inner surface layer installed on the movable top plate, a sponge layer is fixedly connected to the inner surface layer, and the riding comfort is improved by the provision of the sponge layer.

[0016] Preferably, an antibacterial layer is fixedly connected to the top of the sponge layer, and an outer layer is fixedly connected to the top of the antibacterial layer, so that bacteria can be prevented from growing.

[0017] The utility model provides a seat cushion foam structure for a car seat, which has the following beneficial effects:

[0018] 1. The device increases the overall elasticity of the seat cushion body under the action of the fixed air cylinder, the movable slide rod and the first spring through the elastic mechanism, thereby increasing the comfort of the seat cushion body, and heats the inside of the placement groove under the action of the heating mechanism, so that the seat cushion body has an automatic heating effect.

[0019] 2. The device forms a barrier for the electric heating tube in the heating mechanism by setting a fixed bottom plate and a movable top plate to prevent the electric heating tube from burning the seat cushion body due to long-term heating. The electric heating tube is installed and fixed by multiple fixed sockets to ensure the stability of the installation of the electric heating tube.

[0020] 3. The device improves the antibacterial property of the top of the seat cushion body by setting an antibacterial layer to prevent bacterial growth, and improves the riding comfort of the seat cushion body under the action of the antibacterial layer, and improves the air permeability of the seat cushion body under the action of the air holes and through holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0022] Figure 2 This is a cross-sectional view of the seat cushion body structure of the utility model;

[0023] Figure 3 This is a three-dimensional diagram of the placement groove structure of the utility model;

[0024] Figure 4 This is a cross-sectional view of the elastic mechanism structure of the utility model;

[0025] Figure 5 It is a schematic diagram of the top pad structure of the utility model.

[0026]

Main component symbol description

[0027] 1. Seat cushion body; 11. Placement groove; 2. Fixed bottom plate; 3. Elastic mechanism; 31. Fixed air cylinder; 32. Movable slide rod; 33. First spring; 34. Piston plate; 4. Extrusion airbag; 5. Connecting air pipe; 6. Electric heating tube; 61. Fixed seat; 7. Movable top plate; 8. Top pad; 81. Inner layer; 82. Sponge layer; 83. Antibacterial layer; 84. Outer layer; 9. Air vents. DETAILED DESCRIPTION

[0028] The embodiment of the utility model provides a seat cushion foam structure of a car seat.

[0029] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A seat cushion foam structure for a car seat includes a seat cushion body 1 made of soft polyurethane foam plastic, a placement groove 11 is opened on the top of the seat cushion body 1, a fixed bottom plate 2 is fixedly connected to the inner bottom wall of the placement groove 11, a movable top plate 7 is installed inside the placement groove 11, an elastic mechanism 3 is fixedly connected between the fixed bottom plate 2 and the movable top plate 7, when the movable top plate 7 moves up and down inside the placement groove 11, the elasticity of the seat cushion body 1 is increased by the set elastic mechanism 3, thereby improving the comfort of the seat cushion body 1.

[0030] Please refer again Figure 1 , Figure 2 , Figure 3 and Figure 4 The elastic mechanism 3 includes a fixed air cylinder 31 fixed on the fixed bottom plate 2, a movable slide rod 32 is slidably connected to the top of the fixed air cylinder 31, and one end of the movable slide rod 32 is fixedly connected to a first spring 33 inside the fixed air cylinder 31. Under the action of the elastic force of the first spring 33, the movable top plate 7 is buffered when it moves up and down, thereby increasing the elasticity of the seat cushion body 1. The bottom of the movable slide rod 32 is fixedly connected to a piston plate 34, and the piston plate 34 is slidably connected to the inside of the fixed air cylinder 31. The elastic mechanism 3 also includes an extrusion airbag fixed to the top of the fixed bottom plate 2 4, the extrusion airbag 4 and the fixed air cylinder 31 are connected through the connecting air pipe 5. When one end of the movable slide rod 32 is lifted and slid at one end of the fixed air cylinder 31, the gas inside the fixed air cylinder 31 is filled into the extrusion airbag 4 through the connecting air pipe 5 through the provided piston plate 34 to expand the extrusion airbag 4. Conversely, the movable top plate 7 transports the air inside the extrusion airbag 4 through the connecting air pipe 5 to the inside of the fixed air cylinder 31 by squeezing the movable top plate 7 to resist the descent of the piston plate 34, thereby improving the overall buffer elastic effect of the elastic mechanism 3.

[0031] Please refer again Figure 1 , Figure 2 and Figure 5 A top pad 8 is fixedly connected to the top of the movable top plate 7, and an air vent 9 is provided on the top of the top pad 8. A through hole corresponding to the air vent 9 is provided on the movable top plate 7. The air vent 9 and the through hole increase the air permeability of the seat cushion body 1. The top pad 8 includes an inner layer 81 installed on the movable top plate 7, a sponge layer 82 is fixedly connected to the inner layer 81, an antibacterial layer 83 is fixedly connected to the top of the sponge layer 82, and an outer layer 84 is fixedly connected to the top of the antibacterial layer 83. The antibacterial property of the top of the seat cushion body 1 is improved by setting the antibacterial layer 83 to prevent bacteria from growing, and the riding comfort of the seat cushion body 1 is improved under the action of the antibacterial layer 83.

[0032] Please refer again Figure 1 , Figure 2 and Figure 3 A heating mechanism is provided inside the placement groove 11. The heating mechanism includes a plurality of electric heating tubes 6. The plurality of electric heating tubes 6 are distributed on the top of the fixed bottom plate 2 in a linear array. The seat cushion body 1 is heated by starting the electric heating tubes 6. A fixed base 61 is fixedly connected to the top of the fixed bottom plate 2. The electric heating tubes 6 are installed inside the fixed base 61. The electric heating tubes 6 are installed and fixed by the plurality of fixed bases 61. The electric heating tubes 6 are prevented from directly contacting the seat cushion body 1 under the action of the fixed bottom plate 2 and the movable top plate 7, so as to avoid the electric heating tubes 6 from causing damage to the seat cushion body 1. The electric heating tubes 6 are tubular electric heating elements. They are composed of metal tube spiral resistance wires and crystallized magnesium oxide powder. Electric heating tube products are generally made of high-quality imported stainless steel tubes, imported high-temperature magnesium oxide powder, high-quality electric heating wires and other materials to make heating elements, and other structural parts are made of stainless steel. They have excellent overall performance, ultra-long life and easy maintenance.

[0033] Working principle: The seat cushion body 1 is installed on the seat of the car. The elastic mechanism 3 is provided to increase the elasticity of the seat cushion body 1 and improve the comfort of the seat cushion body 1. When the movable top plate 7 moves up and down in the placement groove 11, the top of the movable slide rod 32 and the squeeze airbag 4 are squeezed by the movable top plate 7. Under the action of the piston plate 34, the air in the fixed air cylinder 31 is pushed into the inside of the squeeze airbag 4 through the connecting air pipe 5. The squeeze airbag 4 is squeezed and the air inside the squeeze airbag 4 is filled into the inside of the fixed air cylinder 31 through the connecting air pipe 5 to adjust the seat cushion body 1. The sliding of the piston plate 34 forms a counteracting effect, and under the action of the first spring 33, the elastic effect on the elastic mechanism 3 as a whole is further improved. By starting the electric heating tube 6, the seat cushion body 1 is automatically heated, and the electric heating tube 6 is isolated under the action of the fixed bottom plate 2 and the movable top plate 7 to prevent the seat cushion body 1 from being damaged during the heating process of the electric heating tube 6. The antibacterial property of the top of the seat cushion body 1 is improved by setting the antibacterial layer 83 to prevent the growth of bacteria, and the riding comfort of the seat cushion body 1 is improved under the action of the antibacterial layer 83.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A seat cushion foam structure for a car seat, comprising a seat cushion body (1) made of soft polyurethane foam plastic, characterized in that: The seat cushion body (1) is provided with a placement groove (11) at the top, the inner bottom wall of the placement groove (11) is fixedly connected to a fixed bottom plate (2), a movable top plate (7) is installed inside the placement groove (11), an elastic mechanism (3) is fixedly connected between the fixed bottom plate (2) and the movable top plate (7), the elastic mechanism (3) comprises a fixed air cylinder (31) fixed on the fixed bottom plate (2), a movable sliding rod (32) is slidably connected to the top of the fixed air cylinder (31), one end of the movable sliding rod (32) arranged inside the fixed air cylinder (31) is fixedly connected to a first spring (33), a top pad (8) is fixedly connected to the top of the movable top plate (7), and a heating mechanism is provided inside the placement groove (11).

2. The seat cushion foam structure of a car seat according to claim 1, characterized in that: The bottom of the movable sliding rod (32) is fixedly connected with a piston plate (34), and the piston plate (34) is slidably connected to the inside of the fixed gas cylinder (31).

3. The seat cushion foam structure of a car seat according to claim 1, characterized in that: The elastic mechanism (3) also includes an extrusion air bag (4) fixed on the top of the fixed bottom plate (2), and the extrusion air bag (4) and the fixed air cylinder (31) are connected via a connecting air pipe (5).

4. The seat cushion foam structure of a car seat according to claim 1, characterized in that: The heating mechanism comprises a plurality of electric heating tubes (6), and the plurality of electric heating tubes (6) are distributed on the top of the fixed bottom plate (2) in a linear array.

5. The seat cushion foam structure of a car seat according to claim 4, characterized in that: A fixed base (61) is fixedly connected to the top of the fixed base plate (2), and the electric heating tube (6) is installed inside the fixed base (61).

6. The seat cushion foam structure of a car seat according to claim 1, characterized in that: The top of the top pad (8) is provided with an air hole (9), and the movable top plate (7) is provided with a through hole corresponding to the air hole (9).

7. The seat cushion foam structure of a car seat according to claim 1, characterized in that: The top pad (8) comprises an inner surface layer (81) mounted on the movable top plate (7), and a sponge layer (82) is fixedly connected to the inner surface layer (81).

8. The seat cushion foam structure of a car seat according to claim 7, characterized in that: The top of the sponge layer (82) is fixedly connected to an antibacterial layer (83), and the top of the antibacterial layer (83) is fixedly connected to an outer layer (84).

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