Truck seat gas valve structure

Abstract

The utility model belongs to truck seat technical field, concretely is a kind of truck seat gas valve structure, including fixedly installed on the air valve support inlet valve assembly and exhaust valve assembly, the inside of inlet valve assembly and exhaust valve assembly is connected with high-pressure gas by the opening and closing connection of sealing plug, the inside of inlet valve assembly has 2 air chambers, the inside of exhaust valve assembly has 1 air chamber, the air valve support is hinged with air valve adjusting wheel;It can be understood that the valve body structure is installed between seat and vehicle, and three air chambers on two valve bodies are matched, wherein two synchronous buffers, another further buffer;Utilize high-pressure gas to realize seat automatic buffering: when being pressed, top open sealing plug and introduce high-pressure gas buffer, complete spring reset plug;At the same time, by controlling the inflation and deflation of high-pressure gas, the height of seat can be adjusted;Buffer and height adjustment function are considered, and the structure is compact, and the integration is high.

Description

Technical Field

[0001] This utility model belongs to the field of truck seat technology, and in particular relates to a truck seat air valve structure. Background Technology

[0002] A car driver's seat is a support structure specifically designed for the driver, typically featuring adjustable functions (such as fore-and-aft movement, backrest angle, and height adjustment) to accommodate different body types and ensure a comfortable driving posture. Its core function is to provide stable support and a sense of body wrapping, conforming to the curves of the human body to alleviate fatigue on long journeys. Simultaneously, its scientific design ensures precise access to control components such as the steering wheel and pedals, and it is equipped with a headrest to enhance neck protection in the event of a collision. Some high-end seats also integrate heating, ventilation, or massage functions, creating a dedicated driving space that balances safety, control, and comfort.

[0003] Car seats are an important component of a car, directly related to the driver and passengers. Comfort is a crucial factor in car seat design; existing car seats generally have shock-absorbing devices to alleviate discomfort caused by bumps and vibrations during driving; however, the compactness and comfort of existing shock-absorbing devices still need improvement.

[0004] To address the aforementioned issues, this application proposes a truck seat valve structure. Utility Model Content

[0005] The purpose of this invention is to provide a truck seat valve structure that solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a truck seat air valve structure, comprising an intake valve assembly and an exhaust valve assembly fixedly mounted on an air valve bracket. The intake and exhaust valve assemblies are internally connected to high-pressure gas via the opening and closing of a sealing plug. The intake valve assembly has two air chambers, and the exhaust valve assembly has one air chamber. An air valve adjusting wheel is hinged to the air valve bracket. The adjusting wheel has a primary contact plate and a secondary contact plate respectively formed on it, which are linked to the two air chambers in the intake valve assembly. The exhaust valve assembly is connected to the vehicle via a shaft hole in an exhaust crank. When the seat is compressed, the intake valve assembly, exhaust valve assembly, and high-pressure gas are connected, and the high-pressure gas acts as a buffer after compression.

[0007] Furthermore, the valve support is formed with a rotating seat and a spring sleeve, the valve adjusting wheel is formed with a rotating groove and hinged to the rotating seat, the spring sleeve is equipped with a height valve adjusting wheel return position spring, and the inner abutment rod at one end of the height valve adjusting wheel return position spring abuts against the spring sleeve, the other end of the height valve adjusting wheel return position spring is formed with an outer abutment rod, and the valve adjusting wheel is formed with an abutment block that abuts against the outer abutment rod.

[0008] Furthermore, the intake valve assembly includes an intake valve body with a connecting sleeve formed thereon; the exhaust valve assembly includes an exhaust valve body with a connector formed thereon; the two air chambers in the exhaust valve assembly are simultaneously connected to the connector; a through hole is provided through the valve bracket; an O-ring is fitted around the outside of the connecting sleeve; and the connector is sealed and inserted into the connector after passing through the through hole.

[0009] Furthermore, the valve bracket has at least two screw holes, and the intake valve body and exhaust valve body are also provided with holes for cooperating with long screws. The long screw passes through the exhaust valve body and the screw holes and is threadedly pressed into the holes on the intake valve body.

[0010] Furthermore, the intake valve assembly also includes an intake connector that is interference-fitted into the intake valve body and connected to the high-pressure gas intake end. The intake connector is located at the end of one air chamber. A valve body plug is provided at the end of another air chamber of the intake valve body. A sealing plug is located in the intake valve body, and a spring B is provided between the sealing plug and the intake connector to close the air passage. An intake valve rod is movably connected in the air chamber. A U-ring and a valve body gasket are fitted on the lower end of the intake valve rod. A spring A is also provided between the valve body gasket and the intake valve rod. A valve rod pressing sleeve is provided at the upper end of the air chamber of the intake valve body through an interference fit. A steel ball is also provided in the intake valve body.

[0011] Furthermore, an intake crank is hinged to the upper end of the intake valve body, and the end of the intake crank away from the hinge is engaged with the valve adjusting wheel. The upper end of the first valve body plug protrudes from the middle of the first valve body plug.

[0012] Furthermore, the exhaust valve assembly also includes an exhaust connector that is interference-fitted into the exhaust valve body and connected to the high-pressure gas exhaust end. The exhaust valve body contains a No. 2 sealing plug. The bottom of the air chamber in the exhaust valve body is interference-fitted with a No. 2 valve body plug. A No. 2 spring B is provided between the No. 2 valve body plug and the No. 2 sealing plug. The exhaust valve body contains a sliding exhaust valve rod. The lower end of the exhaust valve rod is fitted with a No. 2 U-ring and a No. 2 valve body gasket. A No. 2 spring A is also provided between the No. 2 valve body gasket and the exhaust valve rod. The upper end of the air chamber of the intake valve body is provided with a No. 2 valve rod pressing sleeve that is interference-fitted onto the upper end of the exhaust valve rod. The exhaust valve body also contains a No. 2 steel ball.

[0013] Furthermore, the upper end of the exhaust valve stem protrudes from the exhaust valve body, the exhaust crank is hinged to the top of the exhaust valve body, and the middle part of the exhaust crank corresponds to the protruding part of the exhaust valve body. A quick-release spring is connected to one end of the exhaust crank near the shaft hole, and a hook connected to the other end of the quick-release spring is formed on the valve bracket.

[0014] This utility model has the following beneficial effects: This utility model has three cooperating air chambers on two valve bodies. Two of the air chambers perform buffering simultaneously, and the third air chamber further performs buffering. The automatic buffering of the seat is achieved by using air pressure. When the valve body is pressurized, it pushes open the sealing plug. At this time, the high-pressure gas intervenes to perform buffering. After the buffering is completed, the sealing plug closes again under the action of the spring. The valve body structure of this utility model is installed between the seat and the vehicle, and is supported by high-pressure gas. By filling and releasing the high-pressure gas, the height between the seat and the vehicle can be adjusted to achieve the purpose of height adjustment. The automatic shock absorption function of the car seat is achieved by controlling the inflation and deflation of the airbag; that is, the device can automatically maintain the height stability of the seat when driving on the road. In summary, this valve body structure takes into account both the cushioning and height adjustment purposes of the seat, and is compact and highly integrated.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 for Figure 1 A structural diagram viewed from below; Figure 3 for Figure 2 A schematic diagram of the split structure; Figure 4 A structural diagram showing the disassembled intake valve assembly; Figure 5 This is a structural diagram showing the disassembled exhaust valve assembly; Figure 6 A schematic diagram of a partial cross-section of the exhaust valve assembly; The attached diagram lists the components represented by each number as follows: In the diagram: 1. Valve bracket; 11. Rotary seat; 12. Spring sleeve; 13. Connecting hole; 14. Screw hole; 15. Hook; 2. Air valve adjusting wheel; 21. Rotary groove; 22. Abutment block; 23. Primary contact plate; 24. Secondary contact plate; 3. Height valve adjusting return position spring; 31. Inner stop rod; 32. Outer stop rod; 4. Intake valve assembly; 41. Intake valve body; 4101. Connecting sleeve; 42. Intake connector; 43. No. 1 valve body plug; 44. Intake valve stem; 45. Intake crank; 46. No. 1 sealing plug; 47. No. 1 U-ring; 48. No. 1 valve body gasket; 49. No. 1 steel ball; 410. No. 1 spring A; 411. No. 1 spring B; 412. No. 1 valve stem pressing sleeve; 5. Exhaust valve assembly; 51. Exhaust valve body; 5101. Connector; 52. Exhaust connector; 53. No. 2 valve body plug; 54. Exhaust valve stem; 55. Exhaust crank; 551. Shaft hole; 56. Quick exhaust spring; 57. No. 2 sealing plug; 58. No. 2 U-ring; 59. No. 2 valve body gasket; 510. No. 2 steel ball; 511. No. 2 spring A; 512. No. 2 spring B; 513. No. 2 valve stem pressing sleeve; 6. O-ring; 7. Long screw. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0019] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Please see Figure 1 - Figure 6As shown, this utility model is a truck seat air valve structure, including an intake valve assembly 4 and an exhaust valve assembly 5 fixedly installed on an air valve bracket 1. The intake valve assembly 4 and the exhaust valve assembly 5 are connected by a high-pressure gas through the opening and closing of a sealing plug. The intake valve assembly 4 has two air chambers, and the exhaust valve assembly 5 has one air chamber. An air valve adjusting wheel 2 is hinged to the air valve bracket 1. The air valve adjusting wheel 2 is respectively formed with a primary contact plate 23 and a secondary contact plate 24, which are linked with the two air chambers in the intake valve assembly 4. The exhaust valve assembly 5 is connected to the vehicle through the shaft hole 551 in the exhaust crank 55. When the seat is compressed, the intake valve assembly 4, the exhaust valve assembly 5, and the high-pressure gas are connected, and the high-pressure gas acts as a buffer after compression.

[0021] The valve support 1 has a rotating seat 11 and a spring sleeve 12 formed on it. The valve adjusting wheel 2 has a rotating groove 21 formed on it and is hinged to the rotating seat 11. The spring sleeve 12 has a height valve adjusting wheel return position spring 3 installed inside it. The inner abutment 31 of one end of the height valve adjusting wheel return position spring 3 abuts against the spring sleeve 12. The other end of the height valve adjusting wheel return position spring 3 has an outer abutment 32 formed on it. The valve adjusting wheel 2 has an abutment block 22 formed on it and abuts against the outer abutment 32. In this embodiment, the height valve adjusting wheel return position spring 3 is used for the return of the valve adjusting wheel 2.

[0022] Specifically, in order to ensure the connectivity and sealing of the internal air passages of the intake valve assembly 4 and the exhaust valve assembly 5, the intake valve assembly 4 includes an intake valve body 41, on which a connecting sleeve 4101 is formed. The exhaust valve assembly 5 includes an exhaust valve body 51, on which a connector 5101 is formed. The two air chambers in the exhaust valve assembly 5 are simultaneously connected to the connector 5101. A through hole 13 is provided on the valve bracket 1. An O-ring 6 is fitted on the outside of the connecting sleeve 4101. The connector 5101 is sealed and inserted into the connecting sleeve 5101 after passing through the through hole 13.

[0023] Specifically, for convenient and stable installation of the intake valve assembly 4 and the exhaust valve assembly 5 on the valve bracket 1, the valve bracket 1 is provided with at least two screw holes 14. The intake valve body 41 and the exhaust valve body 51 are also provided with holes that cooperate with long screws 7. The long screws 7 pass through the exhaust valve body 51 and the screw holes 14 and are threaded into the holes on the intake valve body 41. In this embodiment, the intake valve assembly 4 and the exhaust valve assembly 5 are connected by two long screws 7, which has the advantages of simple structure, convenient operation, and stable reliability.

[0024] Specifically, the intake valve assembly 4 also includes an intake connector 42 that is interference-fitted into the intake valve body 41 and connected to the high-pressure gas intake end. The intake connector 42 is located at the end of one air chamber. The other air chamber of the intake valve body 41 is provided with a valve body plug 43. The intake valve body 41 contains a sealing plug 46 and a spring B411 that abuts against the intake connector 42 to close the air passage. An intake valve stem 44 is movably connected in the air chamber. A U-shaped ring 47 and a valve body gasket 48 are fitted on the lower end of the intake valve stem 44. A spring A410 abuts between the valve body gasket 48 and the intake valve stem 44. A valve stem pressing sleeve 412 is fitted on the upper end of the air chamber of the intake valve body 41 through an interference fit. A steel ball 49 is also provided in the intake valve body 41.

[0025] Furthermore, an intake crank 45 is hinged to the upper end of the intake valve body 41, and the end of the intake crank 45 away from the hinge is engaged with the valve adjusting wheel 2. The upper end of the first valve body plug 43 protrudes from the middle of the first valve body plug 43. When in use, the seat is pressed down, which causes the valve adjusting wheel 2 to rotate on the valve bracket 1. After the valve adjusting wheel 2 rotates, the first-stage contact plate 23 first contacts an intake crank 45. The intake crank 45 pushes the intake valve rod 44 into the intake valve body 41. The intake valve rod 44 pushes the first sealing plug 46 downward to open it. When pushed, the first spring A 410 and the first spring B 411 are compressed, and high-pressure gas enters the air passage to form a buffer. It should be noted that the air passage in the intake valve body 41 is the part from the intake connector 42 to the connecting sleeve 4101.

[0026] Specifically, the exhaust valve assembly 5 also includes an exhaust connector 52 that is interference-fitted into the exhaust valve body 51 and connected to the high-pressure gas exhaust end. The exhaust valve body 51 contains a second sealing plug 57. A second valve body plug 53 is interference-fitted to the bottom of the gas chamber in the exhaust valve body 51. A second spring B512 is provided between the second valve body plug 53 and the second sealing plug 57 to provide a support. The exhaust valve body 51 contains a sliding exhaust valve rod 54, with a sleeve at the lower end of the exhaust valve rod 54. The valve body 41 has a second U-shaped ring 58 and a second valve body gasket 59. The second valve body gasket 59 and the exhaust valve stem 54 are further supported by a second spring A511. The upper end of the intake valve body 41 is fitted with a second valve stem pressing sleeve 513 that fits onto the upper end of the exhaust valve stem 54 through an interference fit. The exhaust valve body 51 also has a second steel ball 510. The second steel ball 510 and the air passage form a three-way channel. By pushing the second steel ball 510 inward, manual exhaust can be achieved.

[0027] Furthermore, the upper end of the exhaust valve stem 54 protrudes from the exhaust valve body 51, the exhaust crank 55 is hinged to the top of the exhaust valve body 51, and the middle part of the exhaust crank 55 corresponds to the protruding part of the exhaust valve body 51. A quick-release spring 56 is connected to one end of the exhaust crank 55 near the shaft hole 551, and a hook 15 connected to the other end of the quick-release spring 56 is formed on the valve bracket 1. When in use, when the seat is compressed, the exhaust crank 55 is linked to the vehicle through the second spring A511, and the other end of the exhaust crank 55 is hinged to the exhaust valve body 51. At this time, the exhaust crank 55 will push the exhaust valve rod 54 into the exhaust valve body 51. After the exhaust valve rod 54 moves down, the second spring A511 is compressed, the second valve body gasket 59 forms a support at the bottom, the second U-ring 58 ensures the seal, and after the exhaust valve rod 54 is pressed down, it pushes the second sealing plug 57 down. After the exhaust valve rod 54 moves down, it occupies the volume of the air chamber, and there is still high pressure gas inside. At this time, the high pressure gas and the downward pressure impact each other to achieve the purpose of buffering. To avoid excessive impact affecting comfort, an exhaust port communicating with the air passage is provided on the exhaust valve stem 54. When the impact force decreases, the exhaust valve stem 54 moves upward under the action of the second spring A511, and the second sealing plug 57 closes the air passage under the action of the second spring B512. It should be noted that the air passage in the exhaust valve assembly 5 is the part from the connector 5101 to the exhaust connector 52.

[0028] Understandably, this valve body structure is installed between the seat and the vehicle, and uses three air chambers on two valve bodies to work together, with two providing synchronous cushioning and the other providing further cushioning; it uses high-pressure gas to achieve automatic seat cushioning: when pressure is applied, the sealing plug is opened to introduce high-pressure gas for cushioning, and after completion, the spring returns the plug to its original position; at the same time, the seat height can be adjusted by controlling the inflation and deflation of the high-pressure gas; it combines cushioning and height adjustment functions, and has a compact structure and high integration.

[0029] A specific application of this embodiment is as follows: the intake connector 42 and the exhaust connector 52 are respectively connected to the intake and exhaust pipes of high-pressure gas. When the seat is pressed downward, it drives the valve adjusting wheel 2 to rotate on the valve bracket 1. The intake crank 45 and the exhaust crank 55 are pressed down at the same time. The intake valve rod 44 moves down and pushes open the first sealing plug 46. The exhaust valve rod 54 moves down and pushes open the second sealing plug 57. At this time, the high-pressure gas forms a passage and forms an upward air pressure at the bottom of the intake valve rod 44 and the intake crank 45. Under the action of air pressure and spring A, the intake valve rod 44 and the exhaust valve rod 54 are pushed to reset. After buffering, the first sealing plug 46 and the second sealing plug 57 are closed under the action of spring B.

[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A truck seat valve structure, comprising an intake valve assembly (4) and an exhaust valve assembly (5) fixedly mounted on a valve bracket (1), characterized in that: The intake valve assembly (4) and exhaust valve assembly (5) are connected to high-pressure gas through the opening and closing of the sealing plug. The intake valve assembly (4) has two air chambers and the exhaust valve assembly (5) has one air chamber. The valve bracket (1) is hinged with a valve adjusting wheel (2). The valve adjusting wheel (2) is respectively formed with a first-stage contact plate (23) and a second-stage contact plate (24) which are linked to the two air chambers in the intake valve assembly (4). The exhaust valve assembly (5) is connected to the vehicle through the shaft hole (551) in the exhaust crank (55). When the seat is compressed, the intake valve assembly (4), the exhaust valve assembly (5), and the high-pressure gas are connected, and the high-pressure gas acts as a buffer after being compressed.

2. The truck seat valve structure according to claim 1, characterized in that: The valve support (1) is formed with a rotating seat (11) and a spring sleeve (12). The valve adjusting wheel (2) is formed with a rotating groove (21) and hinged to the rotating seat (11). The spring sleeve (12) is equipped with a height valve adjusting wheel return position spring (3). The inner abutment (31) of one end of the height valve adjusting wheel return position spring (3) abuts against the spring sleeve (12). The other end of the height valve adjusting wheel return position spring (3) is formed with an outer abutment (32). The valve adjusting wheel (2) is formed with a stop block (22) that abuts against the outer abutment (32).

3. The truck seat valve structure according to claim 1, characterized in that: The intake valve assembly (4) includes an intake valve body (41) with a connecting sleeve (4101) formed on it. The exhaust valve assembly (5) includes an exhaust valve body (51) with a connector (5101) formed on it. The two air chambers in the exhaust valve assembly (5) are simultaneously connected to the connector (5101). A through hole (13) is provided on the valve bracket (1). An O-ring (6) is fitted on the outside of the connecting sleeve (4101). The connector (5101) is sealed and inserted into the connector (5101) after passing through the through hole (13).

4. The truck seat valve structure according to claim 3, characterized in that: The valve bracket (1) has at least two screw holes (14). The intake valve body (41) and exhaust valve body (51) are also provided with holes that cooperate with long screws (7). The long screws (7) pass through the holes of the exhaust valve body (51) and screw holes (14) and are threadedly pressed into the holes of the intake valve body (41).

5. The truck seat valve structure according to claim 3, characterized in that: The intake valve assembly (4) further includes an intake connector (42) that is interference-fitted into the intake valve body (41) and connected to the high-pressure gas intake end. The intake connector (42) is located at the end of one air chamber. The intake valve body (41) has a valve body plug (43) at the end of the other air chamber. The intake valve body (41) has a sealing plug (46) and a spring B (411) that abuts against each other to close the air passage. An intake valve rod (44) is movably connected in the air chamber. The lower end of the intake valve rod (44) is fitted with a U-ring (47) and a valve body gasket (48). A spring A that abuts against each other is also provided between the valve body gasket (48) and the intake valve rod (44). (410) The upper end of the air chamber of the air intake valve body (41) is provided with a valve stem pressing sleeve (412) fitted on the upper end of the air intake valve stem (44) by interference fit. The air intake valve body (41) is also provided with a steel ball (49).

6. The truck seat valve structure according to claim 5, characterized in that: The upper end of the intake valve body (41) is hinged with an intake crank (45), and the end of the intake crank (45) away from the hinge is engaged with the valve adjusting wheel (2). The upper end of the first valve body plug (43) protrudes from the middle of the first valve body plug (43).

7. The truck seat valve structure according to claim 3, characterized in that: The exhaust valve assembly (5) further includes an exhaust connector (52) that is interference-fitted into the exhaust valve body (51) and connected to the high-pressure gas exhaust end. The exhaust valve body (51) contains a second sealing plug (57). A second valve body plug (53) is interference-fitted to the bottom of the gas chamber in the exhaust valve body (51). A second spring B (512) is provided between the second valve body plug (53) and the second sealing plug (57) to provide support. The exhaust valve body (51) also contains a sliding... The exhaust valve stem (54) is movable. A second U-ring (58) and a second valve body gasket (59) are fitted at the lower end of the exhaust valve stem (54). A second spring A (511) is also abutting between the second valve body gasket (59) and the exhaust valve stem (54). A second valve stem pressing sleeve (513) is provided at the upper end of the air chamber of the intake valve body (41) through an interference fit and fitted at the upper end of the exhaust valve stem (54). A second steel ball (510) is also provided in the exhaust valve body (51).

8. The truck seat valve structure according to claim 7, characterized in that: The upper end of the exhaust valve stem (54) protrudes from the exhaust valve body (51). The exhaust crank (55) is hinged to the top of the exhaust valve body (51), and the middle part of the exhaust crank (55) corresponds to the protruding part of the exhaust valve body (51). A quick-release spring (56) is connected to one end of the exhaust crank (55) near the shaft hole (551). A hook (15) is formed on the valve bracket (1) and connected to the other end of the quick-release spring (56).

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