CN107791915A - A kind of automotive seat with thigh support function - Google Patents

Abstract

The invention discloses a car seat with a leg support function, which comprises a seat cushion and a backrest. A retractable leg support mechanism is arranged on the lower front side of the seat cushion, and the leg support mechanism includes a pair of The driver and the support assembly arranged on the front side of the driver, the support assembly includes a pair of telescopic rods arranged in parallel and a support pad connected between the two telescopic rods, the two sides of the support pad are respectively sleeved on the telescopic rods , and the two ends on both sides are respectively fixedly connected to the two ends of the telescopic rod, the end of the driving member passes through the interior of the telescopic rod and is connected to the inner wall of the front end of the telescopic rod, the middle of the support pad is a hollow airbag structure, And a plurality of ventilation holes are evenly arranged on the top. The invention utilizes the leg supporting mechanism to increase the riding comfort of the rider, and the supporting mechanism is simple to retract and unfold, convenient to adjust and wide in scope of application.

Description

A car seat with leg support function

technical field

The invention relates to a car seat with a leg support function, which is applicable to the field of car seats.

Background technique

With the continuous improvement of social standards and the rapid development of the automobile industry, automobiles have been widely accepted and used by various groups in society. While the requirements for living standards are constantly improving, people's requirements for the comfort and practicality of car seats are also increasing. keep improving.

At present, the length of the car seat used in the car is made according to the average height of the passengers, which can meet the needs of most passengers, but for the passengers with long legs, it is better for the passengers to sit. Finally, the legs protrude from the base, and the leg parts protruding from the base are in a suspended state. If you ride for a long time, the legs will feel uncomfortable, which will affect the ride comfort. Also for ordinary riders, long-term riding on a seat without a leg support mechanism will cause fatigue, and the traditional leg support mechanism has a fixed length, cannot be adjusted, and has a small scope of application.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a car seat with a leg support function. The leg support mechanism can increase the ride comfort of the passenger, and the support mechanism can be retracted Simple, convenient adjustment, wide application range.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a car seat with a leg support function, including a seat cushion and a backrest, a retractable leg support mechanism is arranged on the lower front side of the seat cushion, and the legs The support mechanism includes a pair of driving parts arranged in parallel and a support assembly arranged on the front side of the driving part. The support assembly includes a pair of telescopic rods arranged in parallel and a support pad connected between the two telescopic rods. The two sides are respectively sleeved on the telescopic rod, and the two ends on both sides are respectively fixedly connected to the two ends of the telescopic rod. There is a hollow air bag structure in the middle, and a number of ventilation holes are uniformly arranged on the top.

Further, the driving part is an air cylinder, and the end of the piston rod of the air cylinder passes through the telescopic rod and is connected to the inner wall of the front end of the telescopic rod.

Further, a pair of protruding leg pads are provided on the front end of the upper side of the support pad, and an arc-shaped groove is provided in the middle of the leg pads.

Further, sleeves are arranged on both sides of the support pad, and the sleeves are sleeved on the telescopic rod, and the two ends of the sleeve are respectively fixedly connected with the two ends of the telescopic rod.

Further, a plurality of load-bearing bars arranged in parallel are uniformly arranged on the bottom of the support pad. Load-bearing strips can increase the support capacity and strength of the support pad.

Further, the cushion includes a sponge layer and a spring layer arranged on the lower side of the sponge layer, the sponge layer is memory foam, the spring layer includes a plurality of springs arranged evenly, and a plurality of air holes are arranged around the spring layer; The lower side of the spring layer is provided with a support plate.

Further, a leg-shaped groove is provided on the front side above the seat cushion.

Further, a base is provided between the two driving parts under the seat cushion, and the base includes a hydraulic cylinder arranged at the center under the seat cushion and a fixing plate slidingly connected with the hydraulic cylinder, the fixing plate is arranged on the vehicle, and the hydraulic pressure The piston rod of the cylinder is fixedly connected with the bottom of the seat cushion, the fixed plate is provided with a chute, the bottom of the hydraulic cylinder is provided with a slide bar matching the chute, and the slide bar is slidably arranged in the chute; The outer side of the hydraulic cylinder is provided with a telescopic dust cover, the upper end of the telescopic dust cover is fixedly connected to the bottom of the seat cushion, and the lower end is fixedly connected to the fixed plate.

Further, a headrest is provided above the cushion.

Further, the seat cushion and the backrest are connected in rotation, and the bottoms on both sides of the backrest are provided with rotating rings.

After adopting the above technical solution, the present invention has the following beneficial effects: because the present invention is provided with a leg support mechanism, the rider can place the legs on it during the ride, which increases the comfort during the ride , and the leg support mechanism uses the cylinder to control the length of its telescopic rod, so as to realize the adjustment of the length of the support pad. It takes up little space and is easy to put away; the support pad adopts an airbag structure, which can not only increase the comfort of the support pad, but also facilitate the adjustment of the thickness of the support pad. In addition, the support pad is provided with ventilation holes, which improves the air permeability of the support pad and prevents the The user's legs will feel stuffy, which further increases the comfort of the seat.

Description of drawings

Fig. 1 is a structure diagram when the leg support mechanism of a car seat cover with leg support function of the present invention is opened;

Fig. 2 is an enlarged view of part A in Fig. 1;

Fig. 3 is a structure diagram when the leg support mechanism of a car seat with a leg support function of the present invention is folded;

4 is a front view of a seat cushion and a leg support mechanism of a car seat with a leg support function according to the present invention;

Fig. 5 is an enlarged view of part B in Fig. 4;

Fig. 6 is a structure diagram of a support pad of a car seat with a leg support function according to the present invention;

In the figure: 1. Cushion, 2. Backrest, 3. Telescopic rod, 4. Support pad, 5. Ventilation hole, 6. Cylinder, 7. Leg pad, 8. Arc groove, 9. Sleeve, 10. Load-bearing bar , 11. Sponge layer, 12. Spring layer, 13. Spring, 14. Support plate, 15. Leg groove, 16. Hydraulic cylinder, 17. Fixed plate, 18. Chute, 19. Slider, 20. Telescopic anti Dust cover, 21. headrest, 22. swivel ring.

Detailed ways

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figures 1-6, a car seat with a leg support function includes a seat cushion 1 and a backrest 2, and a retractable leg support mechanism is provided on the lower front side of the seat cushion 1, and the leg support The mechanism includes a pair of drive parts arranged in parallel and a support assembly arranged on the front side of the drive part. The support assembly includes a pair of telescopic rods 3 arranged in parallel and a support pad 4 connected between the two telescopic rods 3. The two sides of the pad 4 are respectively sleeved on the telescopic rod 3, and the two ends on both sides of the support pad 4 are respectively fixedly connected to the two ends of the telescopic rod 3, and the end of the driver passes through the inside of the telescopic rod 3 and is connected to the telescopic rod 3. On the inner wall of the front end of the rod 3, the middle of the support pad 4 is a hollow air bag structure, and a plurality of ventilation holes 5 are uniformly arranged above it.

The driving part is an air cylinder 6 , and the end of the piston rod of the air cylinder 6 passes through the telescopic rod 3 and is connected to the inner wall of the front end of the telescopic rod 3 . The expansion and contraction of the piston rod can drive the expansion and contraction of the expansion rod 3, so as to realize the expansion and contraction of the support pad 4, and the operation is simple and convenient.

A pair of raised leg pads 7 are provided on the front end of the upper side of the support pad 4 , and an arc-shaped groove 8 is provided in the middle of the leg pads 7 . The leg pad 7 can support the legs and improve the comfort of the leg support mechanism, and the setting of the arc-shaped groove 8 can increase the stability of the legs, so that no shaking will be generated during the driving of the vehicle, which further improves the comfort of the seat. Safety and comfort.

Both sides of the support pad 4 are provided with a sleeve 9, and the sleeve 9 is sleeved on the telescopic rod 3, and its two ends are respectively fixedly connected with the two ends of the telescopic rod 3. The support pad 4 utilizes the sleeve 9 to be movably sleeved on the telescopic rod 3 to facilitate the support pad 4 to move on the telescopic rod 3, and the two ends are fixed to realize the expansion and contraction of the support pad 4 through the expansion and contraction of the telescopic rod 3, which is more convenient to use.

A plurality of load-bearing bars 10 arranged in parallel are uniformly arranged on the bottom of the support pad 4 . The load-bearing strip 10 can increase the supporting capacity and strength of the support pad 4 . Bearing bar 10 is steel wire.

Described cushion 1 comprises sponge layer 11 and the spring layer 12 that is arranged on the lower side of sponge layer 11, and described sponge layer 11 is memory foam, and described spring layer 12 comprises a plurality of springs 13 that are evenly arranged, and the surrounding of spring layer 12 There are multiple air holes; the sponge layer 11 can increase the comfort of the cushion, and the memory foam can reduce the deformation rate of the cushion and prolong the service life of the cushion 1, while the spring layer 12 can increase the elasticity of the cushion 1 and improve the comfort of the cushion 1 , to prevent situations such as bumping and shaking, the setting of air holes can increase the air permeability of the cushion 1, prevent the cushion 1 from feeling stuffy, and further improve the comfort of the cushion 1.

The underside of the spring layer 13 is provided with a support plate 14 . The support plate 14 is used to support the entire cushion 1, providing support for the rider.

A leg-shaped groove 15 is arranged on the front side above the seat cushion 1 . The leg-shaped grooves 15 are a pair of arc-shaped shallow grooves arranged on the sponge layer 11, which can increase the comfort of the cushion 1.

A base is arranged between the two driving parts under the seat cushion 1, and the base includes a hydraulic cylinder 16 arranged at the center position below the seat cushion 1, and a fixed plate 17 slidingly connected with the hydraulic cylinder 16, and the fixed plate 17 is arranged on the vehicle , the piston rod of the hydraulic cylinder 16 is fixedly connected to the bottom of the seat cushion 1, the fixed plate 17 is provided with a chute 18, and the bottom of the hydraulic cylinder 16 is provided with a slide bar 19 matching the chute 18, so The sliding bar 19 is slidingly arranged in the chute 18; the height of the seat cushion 1 can be controlled by the expansion and contraction of the hydraulic cylinder 16, and the setting of the sliding bar 19 and the chute 18 can realize the forward and backward movement of the seat, both of which are used to adjust The position of the seat increases the comfort of the seat.

The outer side of the hydraulic cylinder 16 is provided with a telescopic dustproof cover 20 , the upper end of the telescopic dustproof cover 20 is fixedly connected to the bottom of the seat cushion 1 , and the lower end is fixedly connected to the fixed plate 17 . The telescopic dust cover 20 can prevent impurities such as dust from appearing on the hydraulic cylinder 16, avoid damage to the hydraulic cylinder 16, and further prolong the service life of the seat. Wherein the telescopic dustproof cover 16 is made of silica gel material and has good scalability.

A headrest 21 is arranged above the back cushion 2 . The headrest 12 is used to support the head of the occupant to increase the comfort of the seat.

The seat cushion 1 and the backrest 2 are connected in rotation, and the bottoms on both sides of the backrest 2 are provided with rotating rings 22 . The angle between the seat cushion 1 and the backrest 2 can be adjusted by turning the ring 22 to improve the comfort of the seat.

When the rider needs to use the leg support mechanism, start the cylinder 6, the piston rod of the cylinder 6 is extended, then push the telescopic rod 3 to extend forward, stop the work of the cylinder 6 when it reaches a suitable length, and then start the inflatable device to support Pad 4 is inflated, and when reaching the required height of the rider, close the inflatable device, and the rider puts both legs in the arc groove 8 in the middle of the leg pad 7 and gets final product, which is comfortable and simple to use.

When retracting, first put the gas in the support pad 4 clean, then start the cylinder 6 to shrink, the piston rod drives the telescopic rod 3 to retract, and the support pad 4 is folded on the underside of the seat cushion 1 at the same time, which is convenient to retract and easy to operate.

Wherein, the inflatable device is but not limited to an air pump.

Optionally, the support pad 4 is provided with a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are electrically connected to a controller, and the controller is electrically connected to the cylinder 6 and the inflatable device. Before the support pad 4 is released, the extended length of the telescopic rod 3 can be set by the controller first, and then the controller controls the cylinder 6 to work. When the piston rod pushes the extended length of the telescopic rod 3 to reach the set value, the controller directly Controlling the cylinder 6 to stop working realizes the intelligent control of the length of the support pad 4, and the adjustment is more convenient and accurate.

Similarly, the pressure sensor can detect the pressure in the support pad 4 in real time. Before the support pad 4 is inflated, the pressure in the support pad 4 can be set by the controller first, and then the controller controls the inflatable device to start work. When the support pad When the pressure in 4 reaches the set value, the controller controls the inflatable device to stop working, and the pressure sensor transmits the pressure in the support pad 4 to the controller in real time, and the controller controls the inflatable device to replenish gas to the support pad 4 in real time; The intelligent control of the gas filling amount in the support pad 4 has higher precision.

The temperature sensor can detect the temperature in the support pad 4 in real time, and the controller is connected with the heating equipment of the gas when connecting the inflatable equipment. In cold weather, the gas in the inflatable support pad 4 can be heated, and the gas can be set before inflation. The temperature value, while the data detected by the temperature sensor is transmitted to the controller, and the controller controls the heating device to heat the gas, so that the temperature can be controlled within the set range, the degree of intelligence is high, and the comfort of the seat is further improved sex.

The controller is but not limited to 80C51 microcontroller.

Compared with the prior art, since the present invention is provided with a leg support mechanism, the rider can place his legs on it during the ride, which increases the comfort during the ride, and the leg support mechanism utilizes The cylinder controls the length of the telescopic rod, so as to realize the adjustment of the length of the support pad. The adjustment is convenient and simple, and the application range is wide. Moreover, the entire leg support mechanism can be shrunk at the bottom of the cushion when not in use, which takes up little space and is easy to retract; The support pad adopts the airbag structure, which can not only increase the comfort of the support pad, but also facilitate the adjustment of the thickness of the support pad. In addition, the support pad is provided with ventilation holes, which improves the air permeability of the support pad and prevents the passengers from feeling stuffy on the legs. Increased seat comfort.

The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A kind of 1. automotive seat with thigh support function, it is characterised in that：Including cushion and backrest, the lower section of the cushion Front side is provided with telescopic thigh support mechanism, and the thigh support mechanism includes a pair of actuators be arrangeding in parallel and set The support component on front side of actuator is put, the support component includes a pair of expansion links be arrangeding in parallel and is connected to two expansion links Between supporting pad, the both sides of the supporting pad are respectively fitted on expansion link, and the both ends of both sides are respectively fixedly connected with flexible The both ends of bar, the end of the actuator are connected in expansion link front inner wall through the inside of expansion link, the supporting pad Centre is hollow airbag structure, and top is evenly arranged with multiple air vents.
2. 2. the automotive seat according to claim 1 with thigh support function, it is characterised in that：The actuator is gas Cylinder, the end of the piston rod of the cylinder are connected on the inwall of expansion link front end through expansion link.
3. 3. the automotive seat according to claim 1 with thigh support function, it is characterised in that：The supporting pad it is upper Side front end is provided with a pair of raised leg pads, and the centre of the leg pad is provided with deep-slotted chip breaker.
4. 4. the automotive seat according to claim 1 with thigh support function, it is characterised in that：The two of the supporting pad Side is provided with sleeve, and the sleeve is enclosed on expansion link, and its both ends is fixedly connected with the both ends of expansion link respectively.
5. 5. the automotive seat according to claim 4 with thigh support function, it is characterised in that：The supporting pad bottom It is evenly arranged with a plurality of bearing strip be arrangeding in parallel.Bearing strip can increase the enabling capabilities and intensity of supporting pad.
6. 6. the automotive seat according to claim 1 with thigh support function, it is characterised in that：The cushion includes sea Continuous layer and the spring layer being arranged on the downside of spongy layer, the spongy layer are memory foam, and the spring layer includes what is be uniformly arranged Multiple springs, and the surrounding of spring layer is provided with multiple stomatas；

   Supporting plate is provided with the downside of the spring layer.
7. 7. the automotive seat according to claim 6 with thigh support function, it is characterised in that：Before above the cushion Side is provided with leg shape groove.
8. 8. the automotive seat according to claim 1 with thigh support function, it is characterised in that：Two below the cushion Base is provided among actuator, the base includes the hydraulic cylinder and and hydraulic cylinder for being arranged on cushion lower central position The fixed plate being slidably connected, the fixed plate are set onboard, and the piston rod of the hydraulic cylinder is fixedly connected with the bottom of cushion, Chute is provided with the fixed plate, the bottom of the hydraulic cylinder is provided with the draw runner to match with chute, and the draw runner slides It is arranged in chute；

   Retractable dust cover is provided with the outside of the hydraulic cylinder, the upper end of the retractable dust cover is fixedly connected on the bottom of cushion Portion, lower end are fixedly connected in fixed plate.
9. 9. the automotive seat according to claim 1 with thigh support function, it is characterised in that：The top of the back cushion Being provided with to rest the head on.
10. 10. the automotive seat according to claim 1 with thigh support function, it is characterised in that：The cushion is with leaning on Carry on the back to be rotatablely connected, the bottom of the backrest both sides is provided with swivel becket.