Controls for pneumatic lumbar support
A control device and lumbar support technology, which is applied in the special position of the vehicle, transportation and packaging, vehicle parts, etc., can solve the problems of large volume and high cost of the solenoid valve, and achieve the solution of large volume, low cost and high cost of solution Effect
Active Publication Date: 2022-07-01
YANFENG ADIENT SEATING CO LTD
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- Claims
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the defects of the prior art, provide a pneumatic lumbar support control device, and solve the problem of large volume and high cost of the solenoid valve in the prior art
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Embodiment Construction
[0049] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0050] see image 3 , showing the structural schematic diagram of the control device of the pneumatic waist support of the present invention. Figure 4 It is an exploded schematic diagram of the control device of the pneumatic waist support of the present invention. combine image 3 and Figure 4 As shown, the control device of the pneumatic waist support of the present invention is used to control the air intake and exhaust of the air bag, and the control device includes:
[0051] A first valve body 10 having a first intake passage and a first exhaust passage is formed inside, and an intake joint 11 communicating with the first intake passage and communicating with the first exhaust are formed outside the first valve body 10 Road exhaust connector 12;
[0052] A second valve body 20 having a second intake passage and a second exhaust passag...
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The invention relates to a control device for a pneumatic waist support, which is used for controlling the intake and exhaust of an air bag. The outside of the valve body is formed with an intake joint that communicates with the first intake passage and an exhaust joint that communicates with the first exhaust passage; the inside is formed with a second intake passage that communicates with each other and a second exhaust joint of the second exhaust passage. Two valve bodies, the outside of the second valve body is formed with an air bag connector that communicates with the second air inlet and is connected to the air bag, the second valve body and the first valve body are spliced and connected; inserted in the first and second valve bodies The middle valve body between the two valve bodies, the end of the middle valve body is connected to the motor, and the middle valve body is formed with an internal through air passage; the motor drives the middle valve body to rotate between the second and the first valve body, and the first and The second air intake path is connected to inflate the air bag; or the second and first exhaust paths are connected to the air bag to exhaust air, so as to control multiple air bags at low cost and avoid the problem of large volume due to multiple solenoid valves .
Description
technical field [0001] The invention relates to the field of automobile seats, in particular to a control device for a pneumatic lumbar support. Background technique [0002] The current car seats are generally equipped with pneumatic lumbar support to improve the comfort of the waist and avoid the fatigue of the lumbar muscles. The air bag of the traditional seat massage lumbar support uses a solenoid valve to control the intake and exhaust. A one-way air bag requires two solenoid valves for intake and exhaust, and the solenoid valves are bulky and costly. [0003] see figure 1 and figure 2 , showing the front view and the rear view of the seat massage lumbar support in the prior art. combine figure 1 and figure 2 As shown in the figure, if you want to improve the massage function, you need to increase the number of air bags 1 to eight air bags or even more, correspondingly, the number of intake and exhaust solenoid valves increases proportionally with the number of...
Claims
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IPC IPC(8): B60N2/66B60N2/90
CPCB60N2/665B60N2/976
Inventor 李芳琴陶惠家顾虞胄徐超
Owner YANFENG ADIENT SEATING CO LTD