Valve element capable of quickly releasing air for automobile massage chair

Abstract

The utility model relates to the technical field of valve cores, and discloses a valve core for an automobile massage chair capable of releasing air quickly, which comprises a shell, a support frame is fixedly connected to the top of the shell, a cylinder is fixedly connected to the surface of the support frame, and an output shaft of the cylinder penetrates through and is slidably connected to the bottom surface of the support frame. A sealing part is fixedly connected to the bottom end of the air cylinder, multiple sets of exhaust holes distributed in an array mode are formed in the surface of the sealing part, an opening and closing assembly is arranged on the surface of the sealing part and comprises a plugging plate, and a curved bar is fixedly connected to the side wall of the plugging plate. According to the valve element for the automobile massage chair capable of rapidly releasing air, an extension rod makes contact with and extrudes the bottom of a supporting frame in the ascending process, a lifting ring is promoted to move downwards, a reset spring is compressed, an exhaust hole is opened by a blocking plate, air can be exhausted from a gap between a sealing piece and a flow channel pipe and can also be rapidly exhausted through the exhaust hole, and the service life of the valve element is prolonged. And the air leakage speed is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of valve core technology, specifically a valve core for a car massage chair that can quickly release air. Background Technology

[0002] With the continuous upgrading of car interiors, car massage chairs have gradually become an important feature for enhancing driving and riding comfort. During the operation of a massage chair, the deflation control of the airbags is crucial. It not only directly affects the efficiency of switching functions, such as quickly switching from massage mode to normal sitting mode, but also is closely related to the safety of the occupants. For example, in emergency situations such as vehicle collisions, if the massage chair airbags cannot deflate in time, it may restrict the occupants' escape actions and even cause secondary injuries.

[0003] The traditional valve cores used in current car massage chairs have significant shortcomings in the deflation process. Their deflation speed is slow, making it difficult to meet users' needs for rapid seat adjustments. Traditional valve cores often employ a relatively simple linear or planar sealing structure with a small channel cross-sectional area. In this structure, gas is blocked by the internal sealing plug and can only escape slowly through narrow gaps or channels. When the pressure inside the airbag is high and rapid decompression is required, the sealing plug prevents the gas from flowing out quickly, significantly reducing deflation efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a valve core for a car massage chair that can quickly deflate, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a valve core for a car massage chair that can quickly release air, comprising a housing, a support frame fixedly connected to the top of the housing, a cylinder fixedly connected to the surface of the support frame, an output shaft of the cylinder passing through and slidably connected to the bottom surface of the support frame, a sealing element fixedly connected to the bottom end of the cylinder, multiple arrayed exhaust holes formed on the surface of the sealing element, an opening and closing assembly provided on the surface of the sealing element, the opening and closing assembly comprising a sealing plate, a crank fixedly connected to the side wall of the sealing plate, a lifting ring hinged to the end of the crank, a fixing frame hinged to the side wall of the crank, the fixing frame fixedly connected to the bottom surface of the sealing plate, and the bottom surface of the lifting ring and the bottom surface of the sealing element being elastically connected by a return spring.

[0006] Preferably, a flow channel is fixedly connected to the inner wall of the outer shell, and the inner walls at both the upper and lower ends of the flow channel are inclined, and the sealing element is in contact with the inner wall at the top of the flow channel.

[0007] Preferably, the seal is shaped like a frustum.

[0008] Preferably, a sealing gasket is fixedly connected to the bottom surface of the sealing plate.

[0009] Preferably, an extension rod is fixedly connected to the top end of the lifting ring.

[0010] Preferably, the sealing plate is in contact with the surface of the sealing element and corresponds to the position of the vent hole.

[0011] Compared with the prior art, this utility model provides a valve core for car massage chairs that can quickly deflate, which has the following beneficial effects:

[0012] 1. The valve core for the car massage chair that can quickly release air has an extension rod that contacts and squeezes the bottom of the support frame during the upward process, causing the lifting ring to move downward, compressing the return spring, and causing the sealing plate to open the exhaust hole. This allows the gas to be discharged not only from the gap between the seal and the flow channel, but also to be discharged quickly through the exhaust hole, greatly improving the air release speed.

[0013] 2. The valve core for this car massage chair that allows for rapid air release features inclined inner walls at both ends of the flow channel, which helps the gas to diffuse and concentrate better when entering and exiting, further accelerating the gas flow rate and thus increasing the air release speed. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the present invention.

[0016] Figure 3 This is a schematic diagram of the opening and closing component structure of this utility model.

[0017] In the diagram: 1. Outer shell; 2. Support frame; 3. Cylinder; 4. Seal; 41. Exhaust port; 5. Opening and closing assembly; 51. Sealing plate; 52. Crank rod; 53. Lifting ring; 54. Fixing frame; 55. Return spring; 56. Extension rod; 6. Flow channel pipe. Detailed Implementation

[0018] like Figures 1-3As shown, this utility model provides a technical solution: a valve core for a car massage chair with rapid air release, including a housing 1, a support frame 2 fixedly connected to the top of the housing 1, a cylinder 3 fixedly connected to the surface of the support frame 2, an output shaft of the cylinder 3 passing through and slidably connected to the bottom surface of the support frame 2, and a seal 4 fixedly connected to the bottom end of the cylinder 3. The support frame 2 provides a stable mounting platform for the cylinder 3, ensuring that the position of the cylinder 3 is fixed during operation. When the cylinder 3 receives an external control signal (such as an instruction from the car massage chair control system), the output shaft of the cylinder 3 will extend or retract according to the signal. When retracting upwards, it drives the seal 4 to move upwards, separating the seal 4 from the inner wall of the top of the flow channel 6, opening the air release channel; when extending downwards, it drives the seal 4 to move downwards, sealing the flow channel 6, closing the air release channel, thereby realizing the opening and closing control of the gas channel inside the valve core. The seal 4 is shaped like a frustum, which allows for better fitting with the inner wall of the top of the flow channel 6, providing a sealing effect and preventing gas leakage.

[0019] The surface of the seal 4 has multiple arrayed exhaust holes 41, which are used to increase the gas emission rate. The surface of the seal 4 is provided with an opening and closing assembly 5, which includes a sealing plate 51. The sealing plate 51 is in contact with the surface of the seal 4 and corresponds to the position of the exhaust holes 41. A sealing gasket is fixedly connected to the bottom surface of the sealing plate 51. The sealing plate 51 and the sealing gasket are used to seal the exhaust holes 41 on the surface of the seal 4. A crank rod 52 is fixedly connected to the side wall of the sealing plate 51. A lifting ring 53 is hinged to the end of the crank rod 52. The crank rod 52 connects the sealing plate 51 and the lifting ring 53. The opening and closing of the sealing plate 51 is achieved by changing the position of the lifting ring 53. A fixing frame 54 is hinged to the side wall of the crank rod 52. The fixing frame 54 is fixedly connected to the bottom surface of the sealing plate 51 and positions the crank rod 52, allowing the crank rod 52 to rotate at the hinge point with the fixing frame 54. The bottom surface of the lifting ring 53 is elastically connected to the bottom surface of the seal 4 by a return spring 55. When the seal 4 is in a blocking state, the return spring 55 provides elastic support to the lifting ring 53, causing the lifting ring 53 to drive one end of the crank 52 to rotate upward and the other end to drive the sealing plate 51 to rotate downward, thereby causing the sealing plate 51 to block the exhaust hole 41.

[0020] An extension rod 56 is fixedly connected to the top of the lifting ring 53. When the output shaft of the cylinder 3 drives the seal 4 to rise, the gas passage opens. During the rising process, the extension rod 56 contacts the bottom of the support frame 2 and is squeezed, causing the lifting ring 53 to move downward. The return spring 55 is compressed, causing the exhaust port 41 to open. This allows gas to flow out not only from the gap between the seal 4 and the flow channel 6, but also from the exhaust port 41, enabling the gas to be discharged quickly.

[0021] A flow channel 6 is fixedly connected to the inner wall of the outer casing 1. The inner walls of the upper and lower ends of the flow channel 6 are inclined. The sealing element 4 fits against the inner wall of the top end of the flow channel 6. The inclined inner walls of the upper and lower ends of the flow channel 6 help the gas to diffuse and concentrate better when it is discharged, thus accelerating the flow speed of the gas.

[0022] In this invention, when the car massage chair control system issues a venting command, the cylinder 3 receives the external control signal and its output shaft contracts upward, causing the seal 4 to move upward, separating the seal 4 from the inner wall of the top of the flow channel 6 and opening the venting channel. At this time, the extension rod 56 contacts and presses against the bottom of the support frame 2 during its ascent, causing the lifting ring 53 to move downward, compressing the return spring 55, and causing the sealing plate 51 to open the exhaust hole 41. This allows gas to not only escape from the gap between the seal 4 and the flow channel 6, but also to be quickly discharged through the exhaust hole 41, greatly improving the venting speed.

[0023] When the venting passage needs to be closed, the output shaft of cylinder 3 extends downward according to the control signal, causing the seal 4 to move downward and fit tightly against the inner wall of the top of the flow channel 6, thus sealing the flow channel 6. Simultaneously, the return spring 55 provides elastic support to the lifting ring 53, causing the lifting ring 53 to rotate one end of the crank 52 upward and the other end to rotate the sealing plate 51 downward, thereby sealing the exhaust port 41, effectively preventing gas leakage and ensuring that the gas passage inside the valve core is closed. Throughout the process, the inclined inner walls at both ends of the flow channel 6 help the gas to diffuse and concentrate better during discharge, further accelerating the gas flow rate.

[0024] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A valve core for a car massage chair that can quickly deflate, comprising a housing (1), characterized in that: A support frame (2) is fixedly connected to the top of the outer shell (1). A cylinder (3) is fixedly connected to the surface of the support frame (2). The output shaft of the cylinder (3) passes through and is slidably connected to the bottom surface of the support frame (2). A seal (4) is fixedly connected to the bottom end of the cylinder (3). Multiple arrayed exhaust holes (41) are opened on the surface of the seal (4). An opening and closing assembly (5) is provided on the surface of the seal (4). The opening and closing assembly (5) includes a sealing plate (51). A crank (52) is fixedly connected to the side wall of the sealing plate (51). A lifting ring (53) is hinged to the end of the crank (52). A fixing frame (54) is hinged to the side wall of the crank (52). The fixing frame (54) is fixedly connected to the bottom surface of the sealing plate (51). The bottom surface of the lifting ring (53) and the bottom surface of the seal (4) are elastically connected by a return spring (55).

2. The valve core for a car massage chair with rapid air release according to claim 1, characterized in that: A flow channel pipe (6) is fixedly connected to the inner wall of the outer shell (1). The inner walls of the upper and lower ends of the flow channel pipe (6) are inclined. The sealing element (4) is in contact with the inner wall of the top end of the flow channel pipe (6).

3. The valve core for a car massage chair with rapid air release according to claim 1, characterized in that: The seal (4) is shaped like a frustum.

4. The valve core for a car massage chair with rapid air release according to claim 1, characterized in that: A sealing gasket is fixedly connected to the bottom surface of the sealing plate (51).

5. A valve core for a car massage chair with rapid air release according to claim 1, characterized in that: An extension rod (56) is fixedly connected to the top of the lifting ring (53).

6. A valve core for a car massage chair with rapid air release according to claim 1, characterized in that: The sealing plate (51) is attached to the surface of the sealing element (4) and corresponds to the position of the vent (41).

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