Vehicle seat adjustment device

Abstract

The present application relates to a vehicle seat adjustment device, including an adjustment frame, the adjustment frame including at least two longitudinal side frames arranged longitudinally and two transverse side frames arranged transversely, an adjustment mechanism is installed on the adjustment frame, the adjustment mechanism includes a main adjustment component and a secondary adjustment component, the main adjustment component is installed on one of the longitudinal side frames of the adjustment frame, the secondary adjustment component is installed on the other longitudinal side frame of the adjustment frame, a driving component is installed at the main adjustment component, the driving component drives the main adjustment component to move, the two longitudinal side frames of the adjustment frame are respectively provided with through holes, the adjustment frame is rotatably provided with a transversely arranged connecting shaft, the end of the connecting shaft passes through the through hole and is connected to the main adjustment component and the secondary adjustment component on the corresponding side. The present application can reduce fatigue and discomfort caused by long-term riding, and at the same time, it can adapt to different human percentiles to adjust the comfort of the seat, meet the needs of different working conditions, improve the comfort experience of driving or riding, and reduce the occurrence of occupational diseases.

Description

Technical Field

[0001] The present application relates to the field of control boxes for engineering machinery seats, and in particular to a vehicle seat adjustment device. Background Art

[0002] The control box of the construction machinery seat is commonly used in some construction machinery, such as excavators, loaders, harvesters, tower cranes, etc. In general, the seat control box is fixedly installed on the left or right sides of the seat cushion or on one of the sides.

[0003] Usually in the field of engineering machinery seat product design, the human body percentile design is taken into consideration. The purpose is to make the product adapt to the body size and shape of a wider group of people, thereby improving comfort during use. Through the study and analysis of different percentile human body sizes, the shape, height, width, angle and other design parameters of the seat can be optimized to meet the comfort needs of most people from smaller to larger bodies.

[0004] This can reduce fatigue and discomfort caused by long-term riding and improve the driving or riding comfort experience. At the same time, it can adapt to different human body percentiles to adjust the comfort of the seat to meet the needs of different working conditions, improve driving comfort, and reduce the occurrence of occupational diseases. Utility Model Content

[0005] In order to reduce the fatigue and discomfort caused by long-term riding, at the same time, it can adapt to different human body percentiles to adjust the comfort of the seat, meet the needs of different working conditions, improve the comfort experience of driving or riding, and reduce the occurrence of occupational diseases.

[0006] The present application provides a vehicle seat adjustment device, which adopts the following technical solution:

[0007] A vehicle seat adjustment device comprises an adjustment frame, the adjustment frame comprises at least two longitudinal side frames arranged longitudinally and two transverse side frames arranged transversely, an adjustment mechanism is installed on the adjustment frame, the adjustment mechanism comprises a main adjustment component and an auxiliary adjustment component, the main adjustment component is installed on one of the longitudinal side frames of the adjustment frame, and the auxiliary adjustment component is installed on the other longitudinal side frame of the adjustment frame, a driving component is installed at the main adjustment component, and the driving component drives the main adjustment component to move, the two longitudinal side frames of the adjustment frame are respectively provided with through holes, and the adjustment frame is rotatably provided with a transversely arranged connecting shaft, the two ends of the connecting shaft are respectively penetrated through the through holes on the corresponding sides, and the ends of the connecting shaft pass through the through holes and are connected to the main adjustment component and the auxiliary adjustment component on the corresponding side.

[0008] In some embodiments, the main adjustment component and the auxiliary adjustment component both include a driving connecting rod and an adjusting connecting rod, one end of the driving connecting rod is a main driving end, and the other end is a auxiliary driving end, the driving component is rotatably mounted on the main driving end of the driving connecting rod of the main adjustment component, and the adjusting connecting rod is rotatably mounted on the corresponding auxiliary driving end through a rotating shaft; the two ends of the connecting shaft are respectively fixedly connected to the middle part of the driving connecting rod on the corresponding side.

[0009] In some embodiments, the driving link includes a main driving arm and a secondary driving arm, and the main driving arm and the secondary driving arm are fixedly connected; the two ends of the connecting shaft are respectively fixedly connected to the connection between the main driving arm and the secondary driving arm on the corresponding side, the main driving end is located at the end of the main driving arm away from the secondary driving arm, and the secondary driving end is located at the end of the secondary driving arm away from the main driving arm.

[0010] In some embodiments, the main driving arm and the auxiliary driving arm form an angle greater than 0 degree and less than 180 degrees.

[0011] In some embodiments, a support frame is provided on the longitudinal side frame of the adjustment frame on the corresponding side of the adjustment connecting rod, and the support frame is provided with inclined strip holes and arc holes. The end of the adjustment connecting rod away from the auxiliary driving end is provided with a mounting shaft that passes through the strip hole and can slide along the strip hole, and the end of the rotating shaft corresponding to the arc hole is slid in the arc hole.

[0012] In some embodiments, the strip-shaped hole and the arc-shaped hole have a height difference in the vertical direction of the adjustment frame, and the ends of the arc-shaped hole and the strip-shaped hole that are close to each other are connected.

[0013] In some embodiments, the driving assembly includes a rotating base and a longitudinally arranged driving shaft. The rotating base is rotatably mounted on the main driving end of the driving connecting rod. A fixed bracket is arranged on the longitudinal side frame of the adjusting frame on one side of the rotating base. The fixed bracket is provided with a mounting hole. An axial hole is longitudinally arranged on the rotating base. One end of the driving shaft is threadedly engaged with the axial hole, and the other end is passed through the mounting hole, and the driving shaft does not make axial displacement relative to the mounting hole.

[0014] In some embodiments, an expansion portion is provided at one end of the driving shaft away from the rotating base, a bearing is sleeved on the side of the driving shaft close to the expansion portion, and the end face of the bearing away from the expansion portion abuts against the end face of the fixed bracket away from the rotating base; a limit sleeve is sleeved on the side of the driving shaft away from the expansion portion, a limit hole is provided on the driving shaft between the fixed bracket and the rotating base, a limit pin that can be inserted into the limit hole is provided on the driving shaft, and the limit sleeve is located between the end face of the fixed bracket facing the rotating base and the limit pin.

[0015] In summary, the present application includes at least one of the following beneficial technical effects: by simplifying the adjustment structure and utilizing the coordination of the main and auxiliary adjustment components and the drive components, the present design can effectively reduce the fatigue and discomfort caused by long-term riding. At the same time, it can adapt to different human percentiles to adjust the comfort of the seat, meet the needs of different working conditions, improve the comfort experience of driving or riding, and reduce the occurrence of occupational diseases. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a vehicle seat adjustment device according to an embodiment of the present application.

[0017] Figure 2 It is a structural schematic diagram of an adjustment mechanism in a vehicle seat adjustment device according to an embodiment of the present application.

[0018] Figure 3 It is a structural schematic diagram from another perspective of an adjustment mechanism in a vehicle seat adjustment device according to an embodiment of the present application.

[0019] Figure 4 This is a display diagram of a seat control box installed on a vehicle seat adjustment device according to an embodiment of the present application.

[0020] Explanation of the accompanying drawings: 1. longitudinal side frame; 2. transverse side frame; 3. connecting shaft; 4. adjusting connecting rod; 5. main driving arm; 6. auxiliary driving arm; 7. main driving end; 8. auxiliary driving end; 9. horizontal plate; 10. vertical plate; 11. strip hole; 12. arc hole; 13. rotating base; 14. driving shaft; 15. fixed bracket; 16. expanding part; 17. bearing; 18. limiting sleeve; 19. limiting pin; 20. mounting shaft; 21. rotating shaft. DETAILED DESCRIPTION

[0021] The following is combined with Figures 1 to 4 This application is described in further detail.

[0022] The present application embodiment discloses a vehicle seat adjustment device, referring to Figure 1 , including an adjustment frame, the adjustment frame includes at least two longitudinal side frames 1 arranged vertically and two transverse side frames 2 arranged horizontally, and the two longitudinal side frames 1 and the transverse side frames 2 form a frame structure of a frame type structure.

[0023] Reference Figure 2 , 3In this embodiment, an adjustment mechanism is installed on the adjustment frame, and the adjustment mechanism includes a main adjustment component and a sub-adjustment component. The main adjustment component is installed on one of the longitudinal side frames 1 of the adjustment frame, and the sub-adjustment component is installed on the other longitudinal side frame 1 of the adjustment frame. The two longitudinal side frames 1 of the adjustment frame are respectively provided with through holes. The adjustment frame is rotatably provided with a transversely arranged connecting shaft 3, and the two ends of the connecting shaft 3 are respectively penetrated through the through holes on the corresponding sides. The connecting shaft 3 passes through the end of the through hole and is connected with the main adjustment component and the sub-adjustment component on the corresponding side, so that the main adjustment component and the sub-adjustment component are linked through the connecting shaft 3.

[0024] Among them, in this embodiment, the main adjustment component and the auxiliary adjustment component have the same or similar structures. The main adjustment component and the auxiliary adjustment component both include a driving connecting rod and an adjusting connecting rod 4. One end of the driving connecting rod is a main driving end 7 and the other end is an auxiliary driving end 8. The adjusting connecting rod 4 is rotatably installed on the corresponding auxiliary driving end 8 through a rotating shaft 21.

[0025] The driving connecting rod mentioned above includes a main driving arm 5 and an auxiliary driving arm 6, and the main driving arm 5 and the auxiliary driving arm 6 are fixedly connected. In the present embodiment, an angle greater than 0 degree and less than 180 degrees is formed between the main driving arm 5 and the auxiliary driving arm 6. Normally, it can be designed to be between 90 degrees and 150 degrees. The two ends of the connecting shaft 3 are respectively fixedly connected to the middle part of the driving connecting rod on the corresponding side, that is, the two ends of the connecting shaft 3 are respectively fixedly connected to the connection between the main driving arm 5 and the auxiliary driving arm 6 on the corresponding side, the main driving end 7 is located at the end of the main driving arm 5 away from the auxiliary driving arm 6, and the auxiliary driving end 8 is located at the end of the auxiliary driving arm 6 away from the main driving arm 5.

[0026] In this embodiment, in order to facilitate the installation of the adjusting connecting rod 4, a support frame can be provided on the longitudinal side frame 1 of the adjusting frame corresponding to the adjusting connecting rod 4, and an inclined strip hole 11 and an arc hole 12 are provided on the support frame. In this embodiment, the support frame includes a horizontal plate 9 and a vertical plate 10, the horizontal plate 9 is fixed to the longitudinal side frame 1 of the adjusting frame, and the vertical plate 10 is fixed to the end of the horizontal plate 9 away from the adjusting frame, and the strip hole 11 and the arc hole 12 are provided on the vertical plate 10, and the end of the adjusting connecting rod 4 away from the auxiliary driving end 8 is provided with a strip hole 11 and an arc hole 12. The mounting shaft 20 slides along the strip hole 11, and the end of the rotating shaft 21 corresponding to the arc hole 12 is slidably arranged in the arc hole 12. The design structure of the support frame can effectively enhance the rigidity structure of the part cooperating with the mounting shaft, and the corresponding structure of the seat can be installed between the mounting shafts 20 on both sides. The strip hole 11 and the arc hole 12 in this embodiment have a height difference in the vertical direction of the adjustment frame, and the arc hole 12 and the strip hole 11 are connected at one end close to each other, so that the mounting shaft 20 and the rotating shaft 21 can have more space during the movable displacement.

[0027] In this embodiment, a driving assembly is installed at the main adjustment assembly, and the driving assembly drives the main adjustment assembly to move. The driving assembly in this embodiment is a driving connecting rod main driving end 7 that is rotatably installed on the main adjustment assembly. The driving assembly includes a rotating base 13 and a longitudinally arranged driving shaft 14. The rotating base 13 is rotatably installed on the main driving end 7 of the driving connecting rod. A fixed bracket 15 is arranged on the longitudinal side frame 1 of the adjustment frame on one side of the rotating base 13. The fixed bracket 15 is provided with a mounting hole. An axial hole is longitudinally arranged on the rotating base 13. One end of the driving shaft 14 is threadedly matched with the axial hole, and the other end is penetrated through the mounting hole, and the driving shaft 14 does not make axial displacement relative to the mounting hole. In addition, in order to ensure that the driving shaft 14 does not move relative to the mounting hole To make axial displacement, an expanded diameter portion 16 is provided at one end of the driving shaft 14 away from the rotating base 13, and a bearing 17 is sleeved on the side of the driving shaft 14 close to the expanded diameter portion 16, which is generally a plane bearing 17, and the end surface of the bearing 17 away from the expanded diameter portion 16 abuts against the end surface of the fixed bracket 15 away from the rotating base 13; a limiting sleeve 18 is sleeved on the side of the driving shaft 14 away from the expanded diameter portion 16, a limiting hole is provided on the driving shaft 14 between the fixed bracket 15 and the rotating base 13, and a limiting pin 19 that can be inserted into the limiting hole is provided on the driving shaft 14, and the limiting sleeve 18 is located between the end surface of the fixed bracket 15 facing the rotating base 13 and the limiting pin 19. In this embodiment, the limiting sleeve 18 can also be replaced by a bearing.

[0028] The present application embodiment discloses a vehicle seat adjustment device, referring to Figure 4 During operation, the manual operation driving shaft 14 rotates, and the driving shaft 14 drives the rotating base 13 to make axial movement relative to the driving shaft 14, thereby driving the driving connecting rod of the main adjusting component to rotate with the connecting shaft 3 as the rotation center. At the same time, since the connecting shaft 3 and the middle part of the driving connecting rod of the main adjusting component are in a fixed connection relationship, the connecting shaft 3 also rotates synchronously, so that the driving connecting rod of the auxiliary adjusting component also rotates synchronously, and then the main adjusting component and the auxiliary adjusting component adjusting connecting rod 4 can be driven to move synchronously. During the movement, the control box also realizes the change of the tilt angle. In this embodiment, one side of the control box is rotatably arranged on the side away from the support frame, and the other side is installed on the installation shaft. Therefore, in the process of realizing the change of the tilt angle, the control box rotates with the axis on the side away from the support frame as the center.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A vehicle seat adjustment device, comprising an adjustment frame, the adjustment frame comprising at least two longitudinal side frames (1) arranged longitudinally and two transverse side frames (2) arranged transversely, characterized in that: An adjustment mechanism is installed on the adjustment frame, and the adjustment mechanism includes a main adjustment component and a sub-adjustment component. The main adjustment component is installed on one of the longitudinal side frames (1) of the adjustment frame, and the sub-adjustment component is installed on the other longitudinal side frame (1) of the adjustment frame. A driving component is installed on the main adjustment component, and the driving component drives the main adjustment component to move. The two longitudinal side frames (1) of the adjustment frame are respectively provided with through holes. The adjustment frame is rotatably provided with a transversely arranged connecting shaft (3), and the two ends of the connecting shaft (3) are respectively penetrated through the through holes on the corresponding sides. The end of the connecting shaft (3) passes through the through hole and is connected to the main adjustment component and the sub-adjustment component on the corresponding side.

2. A vehicle seat adjustment device according to claim 1, characterized in that: The main adjustment component and the auxiliary adjustment component both comprise a driving connecting rod and an adjusting connecting rod (4); one end of the driving connecting rod is a main driving end (7) and the other end is an auxiliary driving end (8); the driving component is rotatably mounted on the main driving end (7) of the driving connecting rod of the main adjustment component; the adjusting connecting rod (4) is rotatably mounted on the corresponding auxiliary driving end (8) via a rotating shaft (21); and the two ends of the connecting shaft (3) are respectively fixedly connected to the middle of the driving connecting rod on the corresponding side.

3. A vehicle seat adjustment device according to claim 2, characterized in that: The driving connecting rod comprises a main driving arm (5) and a secondary driving arm (6), wherein the main driving arm (5) and the secondary driving arm (6) are fixedly connected to each other; the two ends of the connecting shaft (3) are respectively fixedly connected to the connection points of the main driving arm (5) and the secondary driving arm (6) on the corresponding side, the main driving end (7) is located at an end of the main driving arm (5) away from the secondary driving arm (6), and the secondary driving end (8) is located at an end of the secondary driving arm (6) away from the main driving arm (5).

4. A vehicle seat adjustment device according to claim 3, characterized in that: An included angle greater than 0 degrees and less than 180 degrees is formed between the main driving arm (5) and the auxiliary driving arm (6).

5. The vehicle seat adjustment device according to claim 2, characterized in that: A support frame is provided on the longitudinal side frame (1) of the adjustment frame on the side corresponding to the adjustment link (4), and an inclined strip hole (11) and an arc hole (12) are provided on the support frame. An end of the adjustment link (4) away from the auxiliary driving end (8) is provided with a mounting shaft (20) which penetrates the strip hole (11) and can slide along the strip hole (11), and an end of the rotating shaft (21) corresponding to the arc hole (12) is slidably arranged in the arc hole (12).

6. The vehicle seat adjustment device according to claim 5, characterized in that: The strip-shaped hole (11) and the arc-shaped hole (12) have a height difference in the vertical direction of the adjustment frame, and the ends of the arc-shaped hole (12) and the strip-shaped hole (11) that are close to each other are connected.

7. The vehicle seat adjustment device according to claim 2, characterized in that: The driving assembly comprises a rotating base (13) and a longitudinally arranged driving shaft (14); the rotating base (13) is rotatably mounted on a main driving end (7) of a driving connecting rod; a fixing bracket (15) is arranged on a longitudinal side frame (1) of an adjusting frame on one side of the rotating base (13); a mounting hole is arranged on the fixing bracket (15); an axial hole is longitudinally arranged on the rotating base (13); one end of the driving shaft (14) is threadedly engaged with the axial hole, and the other end is passed through the mounting hole; and the driving shaft (14) does not make axial displacement relative to the mounting hole.

8. The vehicle seat adjustment device according to claim 7, characterized in that: An expanded diameter portion (16) is provided at one end of the drive shaft (14) away from the rotating base (13); a bearing (17) is sleeved on a side of the drive shaft (14) close to the expanded diameter portion (16); an end surface of the bearing (17) away from the expanded diameter portion (16) abuts against an end surface of the fixed bracket (15) away from the rotating base (13); a limiting sleeve (18) is sleeved on the side of the drive shaft (14) away from the expanded diameter portion (16); a limiting hole is provided on the drive shaft (14) between the fixed bracket (15) and the rotating base (13); a limiting pin (19) which can be inserted into the limiting hole is provided on the drive shaft (14); and the limiting sleeve (18) is located between the end surface of the fixed bracket (15) facing the rotating base (13) and the limiting pin (19).

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