CN208053165U - Electric automobile chair - Google Patents

Abstract

The utility model belongs to the technical field of seat arrangement on vehicles, and in particular relates to an electric car seat, which includes a seat cushion and a backrest. A hot water tank is arranged under the car seat, and the hot water tank communicates with the seat cushion and the backrest through a circulating water pipe. The circulating water pipe is a flexible pipe, the hot water tank is provided with a bottom plate, a spring is connected between the bottom plate and the hot water tank, a switch is arranged on the bottom plate, an air bag and a first connecting rod are arranged in the seat cushion, and a second connecting rod is fixedly connected to the air bag. Rod, there is a cavity in the backrest, a massage block is slidably connected in the cavity, the circulating water pipe passes through the massage block, the inner wall of the circulating water pipe is rotatably connected with a turbine, and a fixed shaft is arranged in the massage block, and a gear set is rotatably connected to the fixed shaft The turbine is coaxially connected with a gear in the gear set, a cam is coaxially connected to each gear of the gear set, and a plurality of massage sticks are slidably connected to the massaging block. In this solution, hot water is used for heating and water power is used as power for massage, which improves safety and is mostly used for car seats.

Description

electric car seat

technical field

The utility model belongs to the technical field of seat arrangement on vehicles, in particular to an electric vehicle seat.

Background technique

The comfort of the car seat determines the fatigue durability of the driver and passengers. The softness that existing car seat is often set, the poet is comparatively comfortable to ride. However, the shoulders, buttocks and other places of the human body will inevitably feel tired after sitting for a long time, which is difficult to solve even if the sitting posture is adjusted or the use of a pillow is used; in addition, in the case of low temperature in winter, long-term riding will cause the problem of poor blood circulation.

For this reason, Chinese patent CN203172458U discloses a massage heating seat for automobiles, comprising a seat body, a vibrating motor and a heating sheet, wherein the right seat back of the seat body and a cushion are formed, and the inside of the seat back is provided with a cavity, so Several vibrating motors are arranged in the cavity; another cavity is arranged in the seat cushion, and a heating sheet is arranged in the other cavity. By starting the vibration motor to vibrate the back of the chair, relieve fatigue on the shoulders and buttocks, and set the heating sheet to heat the seat to promote blood circulation.

However, there are the following problems in the above-mentioned scheme: electrifying the vibration motor and the heating sheet to make the vibration motor and the heating sheet work, because most of the materials filled in the seat are combustible materials such as sponge or cotton cloth, so when the circuit buried in the seat occurs When aging, it is possible to ignite the seat and cause a safety hazard to people.

Utility model content

Therefore, this solution provides an electric car seat that does not use a heating sheet that needs to be energized to heat the seat and can also massage the human body.

In order to achieve the above object, the scheme of the present utility model is as follows:

The electric car chair includes a seat cushion and a backrest. A hot water tank is installed under the seat. The hot water tank is connected to the seat cushion and the backrest through a circulating water pipe. The circulating water pipe is a flexible pipe. A base plate is provided, a first spring is connected between the base plate and the hot water tank, a switch is provided on the base plate, an air bag and a first connecting rod are arranged in the seat cushion, the first connecting rod is used to press the switch, and the air bag is fixedly connected with a second connecting rod. Two connecting rods, the second connecting rod is used to press the bottom plate, a cavity is provided in the backrest, a massage block is slidably connected in the cavity, a circulating water pipe passes through the massage block, a turbine is connected to the inner wall of the circulating water pipe, and a massage block is also provided There is a fixed shaft, on which a gear set is rotatably connected, the worm gear is coaxially connected with a gear in the gear set, each gear of the gear set is coaxially connected with a cam, and a number of massage sticks are slidably connected to the massage block. The cam is used to resist sliding of the massage rod, and a second spring is connected between the massage rod and the massaging block.

The technical principle of the present utility model is:

During specific work, when people sit on the cushion, the cushion is forced to sag downwards, and then press the first connecting rod to move downward to press the switch, the switch controls the water pump to open, and the hot water in the water tank is pumped into the circulating water pipe by the water pump. Circulation is carried out to heat the seat cushion and backrest; when hot water flows through the backrest, the water flow drives the turbine to rotate, and the turbine rotates to drive the gear set to rotate. When the gear set rotates, each gear in the gear set simultaneously drives the coaxial The set cam rotates, and when the cam rotates, it pushes the massage stick to move, so that the massage stick can massage the back of the human body through the backrest; when the seat cushion is heated, the gas in the airbag is heated, and due to the characteristics of gas expansion and contraction, the airbag When the airbag is inflated, gradually push the second connecting rod at the lower part of the airbag to push the bottom plate where the switch is located to make the switch move downward with the bottom plate. After heating to a certain temperature, the switch loses the pressure of the first connecting rod. At this time, the water pump Close, stop supplying hot water in the circulating water pipe, stop heating, and the massage stick also stops working at this moment.

The beneficial effects of the utility model are:

1. Utilize the characteristics of thermal expansion and contraction of the gas in the airbag to control the position of the second connecting rod. When heating, the second connecting rod pushes the bottom plate to drive the switch to move downward, so that the temperature of the seat cushion reaches a certain level, and the water pump is powered off. , no longer supply hot water to the seat for circulating heating, can realize automatic temperature control, and do not need to use electricity, ensuring safety.

2. The use of water flow for heating, compared with the use of electric heating wires for heating in the prior art, avoids safety problems caused by circuit failures and ensures safety.

3. Use the hydraulic power of the water flow to drive the turbine to rotate, and then make the gears and cams rotate, and reciprocate the massage stick to move. Through the reciprocating movement of the massage stick, the massage stick can massage the back of the person, effectively relieving the pain of driving for a long time fatigue.

Preferred Solution 1: As a preferred option of the basic solution, a pressure block fixedly connected to the first connecting rod is further provided in the seat cushion. The pressing block expands the force application area of the human buttocks to the connecting rod, thereby improving comfort.

Preferred Solution 2: As a preferred option of the basic solution, a circular massage ball is provided at the end of the massage stick in contact with the backrest. The round massage ball is arranged so that one end of the massage stick has no sharp angle, which will not damage the seat back, and also alleviate the discomfort caused when the massage stick touches the back of the person.

The third preferred option: as an optimal option of the basic option, the circulating water pipe is wrapped with a layer of plastic foam. The foam material has a sound insulation effect and reduces the noise when the hot water flows in the circulating water pipe, and the plastic foam is selected for low cost.

Preferred Solution 4: As a preferred option of the basic solution, the airbag is fixed on the inner wall of the seat cushion away from the circulating water pipe. Installed on the inner wall of the seat cushion and away from the circulating water pipe, it can prevent the gas in the airbag from contacting the circulating water pipe, so that the temperature of the seat cushion does not reach the proper temperature, that is, it expands to push the bottom plate to move downward, thereby affecting the heating effect of the seat.

Preferred option five: As the preferred option of the basic option, a chute is also provided on the backrest, and a handle is slidably connected to the chute, and the handle is fixedly connected to the massage block. The handle slides in the chute, which is convenient for people to adjust the position of the massage block according to needs during use.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is a schematic diagram of an enlarged structure of a massage block of the present invention.

Detailed ways

The utility model is described in further detail below by means of specific embodiments:

The reference signs in the drawings of the description include: car seat 1, hot water tank 2, circulating water pipe 3, briquetting block 4, air bag 5, second connecting rod 6, first connecting rod 7, first spring 8, bottom plate 9, Switch 10, cavity 11, massaging block 12, massaging rod 13, massaging ball 14, cam 15, water pump 16, fixed shaft 17, gear 18, second spring 19.

As shown in Figure 1, the electric car chair includes a seat cushion and a backrest. The fillings in the seat cushion and the backrest are all sponges. A hot water tank 2 is welded under the car seat 1. The hot water tank 2 and the seat cushion and the backrest are circulated The water pipe 3 is connected, and the circulating water pipe 3 is a flexible corrugated pipe. The outer layer of the circulating water pipe 3 is provided with a layer of foam material. The foam material has a sound insulation effect. It can improve people’s comfort when sitting on the vehicle chair 1; the hot water tank 2 is fixedly connected with a bottom plate 9, the first spring 8 is welded between the bottom plate 9 and the hot water tank 2, and the switch 10 is installed on the bottom plate 9; the seat cushion The air bag 5 and the pressing block 4 are arranged inside, the second connecting rod 6 is welded on the air bag 5, the first connecting rod 7 is welded on the pressing block 4, the first connecting rod 7 is used to press the switch 10, the second connecting rod 6 Used to press the base plate 9; there is a cavity 11 in the backrest, a massage block 12 is slidably connected in the cavity 11, and five massage sticks 13 are slidably connected in the massage block 12, and each massage stick 13 is equipped with a circular Massage ball 14, backrest one side is also provided with handle, and the massage piece 12 welding in handle and backrest, has the chute for handle slide on the backrest.

As shown in Figure 2, a fixed shaft 17 is also welded in the massaging block 12, and a gear set is connected to the fixed shaft 17 in rotation. The uppermost gear 18 is coaxially connected. The gear set includes five mutually meshing gears 18. Each gear 18 is coaxially connected with a cam 15. The angles of the five cams 15 are different. Each massage stick 13 is connected to a fixed A second spring 19 is connected between the shafts 17, and when the five cams 15 rotate, the massage stick 13 moves.

During specific work, when the car seat 1 needs to be heated and massaged, the driver or passenger sits on the car seat 1, and the seat cushion is depressed downward under force, which then drives the pressing block 4 to move downward, and the pressing block 4 drives the first connecting rod 7 Press the switch 10 when moving downwards, the switch 10 controls the water pump 16 to open, the hot water in the hot water tank 2 is sucked into the circulating water pipe 3 by the water pump 16, and circulates, thereby circulating heating to the seat cushion and the backrest; When passing through the backrest, the water flow drives the turbine to rotate, and the turbine rotates to drive the 18 groups of gears to rotate. When the 18 groups of gears rotate, each gear 18 in the 18 groups of gears simultaneously drives the cam 15 coaxially arranged with it to rotate. When the cam 15 rotates, it promotes massage. The stick 13 moves, so that the massage stick 13 massages the back of the human body through the backrest. Since the angles set by the cams 15 are different, the lengths that each massage stick 13 protrudes are different, which will not cause discomfort to passengers or drivers; During the heating process of the seat cushion, the gas in the airbag 5 is constantly expanding due to the heat. When the airbag 5 expands, the second connecting rod 6 is gradually pushed to the bottom plate 9 where the switch 10 is located to make the switch 10 move downward with the bottom plate 9. After heating to a certain After temperature, switch 10 loses the resisting pressure of first connecting rod 7, and at this moment, water pump 16 is closed, and stops supplying hot water in circulating water pipe 3, stops heating, and this moment, massage stick 13 also stops working.

When it is only necessary to heat the car seat 1 without massage, push the handle on one side of the backrest backwards, and the handle will drive the massage block 12 to slide to the other side of the cavity 11. At this time, although the hot water flows through the circulating water pipe 3, massage Block 12 also works simultaneously, but because massaging block 12 does not contact with backrest inner wall, therefore the massage stick 13 in the massaging block can't be offset with backrest, just can't massage people.

What is described above is only the embodiment of the utility model, and common knowledge such as the specific structure and characteristic known in the scheme is not described too much here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention. These should also be regarded as the protection scope of the present utility model, and these will not affect the effect of the utility model implementation and the practicability of the patent. The scope of protection required by this application shall be based on the content of the claims, and the specific implementation methods and other records in the specification may be used to interpret the content of the claims.

Claims (6)

1. electric automobile chair, including cushion and backrest, it is characterised in that：Boiler, boiler and cushion are equipped with below vehicle chair It is connected to by circulating water pipe between backrest, circulating water pipe is flexible pipe, and circulating water pipe is equipped with water pump, and boiler is equipped with bottom Plate is connected with the first spring between bottom plate and boiler, bottom plate is equipped with switch, and air bag and first connecting rod are equipped in cushion, the One connecting rod is used to compress switch, and second connecting rod is connected on air bag, and for second connecting rod for compressing bottom plate, backrest is interior to be equipped with cavity, Slidably connect massage block in cavity, circulating water pipe passes through massage block, and circulating water pipe inner wall is rotatably connected to turbine, in massage block It is additionally provided with fixing axle, gear set is rotatably connected in fixing axle, turbine and a gear in gear set are coaxially connected, gear set Each gear on be coaxially connected with cam, also slidably connect several massage bars on massage block, cam is used to support dynamic massage Stick slides, and second spring is connected between massage bar and massage block.

2. electric automobile chair according to claim 1, it is characterised in that：It is additionally provided in the cushion solid with first connecting rod Surely the briquetting connected.

3. electric automobile chair according to claim 2, it is characterised in that：The massage bar with by back contacts one end also Equipped with round massage ball.

4. electric automobile chair according to claim 3, it is characterised in that：It is enclosed with plastic foam on the circulating water pipe Layer.

5. electric automobile chair according to claim 4, it is characterised in that：The air bag is fixedly arranged on far from circulating water pipe The inner wall of cushion.

6. electric automobile chair according to claim 5, it is characterised in that：It is described to be additionally provided with sliding slot by back, in sliding slot Handle is slidably connected, handle is fixedly connected with massage block.