Seat vertical impact durability test device

Abstract

The utility model discloses a seat vertical impact durability test device, which comprises a base and an operation table, the middle part of the top side of the base is fixedly connected with the operation table, the left side of the top of the base is fixedly connected with an adjusting plate, the right side of the adjusting plate is connected with a lifting plate, and a first servo motor is fixedly connected below the right side of the lifting plate. An L-shaped mounting plate is arranged above the right side of the lifting plate, an impact hammer head is arranged in the L-shaped mounting plate, a seat mounting base is fixedly connected to the top of the operation table, an impact air cylinder is arranged on the top side of the L-shaped mounting plate, height adjustment can be conducted according to the style and thickness of a seat, and the seat impact test device can be suitable for impact tests of seats with different backrest angles; different positions of the seat can be tested only through the movably adjusted L-shaped mounting plate, test data are more accurate, impact hammers with different masses can be mounted and replaced, the impact hammers impact the seat in a free falling mode, and impact durability data are more comprehensive.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a seat vertical impact durability testing device. Background Art

[0002] Car seats provide drivers and passengers with easy-to-operate, comfortable and safe driving and riding positions. The seats must be safe and reliable, have sufficient strength, rigidity and durability, be compact and minimize mass. As an important part of car interior decoration, the development of car seat cushions also promotes the development of the car interior decoration industry.

[0003] In the prior art, heavy objects are generally used to repeatedly impact the seat to test fatigue durability. The number of repeated impacts can reach tens of thousands or even hundreds of thousands of times, but the test equipment used to test the fatigue durability of seats is mostly dedicated test equipment. If different seat products are equipped with a separate test equipment, the production cost will be greatly increased. Application No. 201822234384.X discloses a bus seat durability test device, including a control device, a test bench and an impact component arranged on the test bench. The test bench is also used to carry the bus seat to be tested. It is characterized in that the impact component includes a vertical impact component and a horizontal impact component. The control device is used to control the start and stop actions of the vertical impact component and the horizontal impact component. The vertical impact component is used to apply an alternating load in the vertical direction to the seat seat plate to perform a durability test on the seat seat plate. The horizontal impact component is used to apply an alternating load in the horizontal direction to the seat back plate to perform a durability test on the seat back plate. The test device can be used for alternating load durability tests on the seat seat plate and the back plate. The above-mentioned device requires impact blocks connected by multiple cylinders to perform vertical impacts on different positions of the seat. The overall structure of the device is relatively complex, and the manufacturing cost is greatly increased. In addition, the angles of the seat backs are different, and the fixed cylinders cannot accurately perform simulated impact tests at vertical angles, which greatly reduces the accuracy of the test data.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a seat vertical impact durability testing device to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A seat vertical impact durability testing device comprises a base and an operating table, wherein the middle portion of the top side of the base is fixedly connected to the operating table, an adjustment plate is fixedly connected to the left side of the top of the base, a lifting plate is connected to the right side of the adjustment plate, a first servo motor is fixedly connected to the lower right side of the lifting plate, an L-shaped mounting plate is provided above the right side of the lifting plate, an impact hammer is provided inside the L-shaped mounting plate, a seat mounting base is fixedly connected to the top of the operating table, and an impact cylinder is provided on the top side of the L-shaped mounting plate.

[0008] Preferably, a rectangular groove is dug above the inner wall of the adjustment plate, a second servo motor is provided below the adjustment plate wall cavity, a threaded rod is connected to the top side of the inner wall of the rectangular groove through a bearing, and guide rods are provided on both sides of the threaded rod.

[0009] Preferably, both ends of the guide rod are fixedly connected to the inner wall of the rectangular groove, and a lifting block is sleeved on the outer side of the threaded rod and the guide rod, and the outer side of the lifting block is fixedly connected to the lifting plate.

[0010] Preferably, the output shaft of the second servo motor is fixedly connected to the bottom end of the threaded rod, a nut is provided inside the lifting block through a bearing, and the nut is threadedly connected to the threaded rod through a matching thread.

[0011] Preferably, a first shaft is symmetrically arranged between the inner walls of the lifting plate through bearings, and a second shaft is connected to the middle of the inner cavity through a bearing, a first gear is sleeved and fixed on the outer wall of the first shaft, and a second gear is sleeved and fixed on the outer wall of the second shaft.

[0012] Preferably, the second gears are meshed and connected with the first gears respectively, the output shaft of the first servo motor is fixedly connected with the first shaft rod below, and the first shaft rod above passes through the outside of the lifting plate and is fixedly connected with the lower left side of the L-shaped mounting plate.

[0013] Preferably, a support frame is fixedly connected to the middle of the outer side of the L-shaped mounting plate, the fixed end of the impact cylinder passes through the support frame and the bottom side of the L-shaped mounting plate in sequence, and the movable end is connected to the impact hammer head.

[0014] Preferably, a connecting disk is connected to the top side of the impact hammer head, and the connecting disk is fixedly connected to the movement of the impact cylinder. An electromagnet is embedded and fixed on the bottom side of the connecting disk, and is fixed to the top side of the impact hammer head by magnetic adsorption.

[0015] The beneficial effects of the utility model are as follows: the height can be adjusted according to the style and thickness of the seat, and it can be suitable for impact testing of seats with different backrest angles. Different positions of the seat can be tested by relying solely on the movable adjustable L-shaped mounting plate, and the test data is more accurate. Impact hammer heads of different masses can be installed and replaced so that the impact hammer head can impact the seat in a free fall manner, and the impact durability data is more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a seat vertical impact durability testing device according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of an adjustment plate of a seat vertical impact durability test device according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of a lifting plate of a seat vertical impact durability testing device according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of an L-shaped mounting plate of a seat vertical impact durability testing device according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Base; 2. Operating table; 3. Adjustment plate; 4. Lifting plate; 5. First servo motor; 6. L-shaped mounting plate; 7. Impact hammer; 8. Seat mounting base; 9. Impact cylinder; 10. Rectangular groove; 11. Second servo motor; 12. Threaded rod; 13. Guide rod; 14. Lifting block; 15. First shaft rod; 16. Second shaft rod; 17. First gear; 18. Second gear; 19. Support frame; 20. Connecting plate; 21. Electromagnet. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a seat vertical impact durability testing device is provided.

[0025] Embodiment 1

[0026] like Figure 1-4 As shown, a seat vertical impact durability testing device according to an embodiment of the utility model includes a base 1 and an operating table 2. The middle part of the top side of the base 1 is fixedly connected to the operating table 2. An adjusting plate 3 is fixedly connected to the left side of the top of the base 1. A lifting plate 4 is connected to the right side of the adjusting plate 3. A first servo motor 5 is fixedly connected to the lower right side of the lifting plate 4. An L-shaped mounting plate 6 is provided above the right side of the lifting plate 4. An impact hammer 7 is provided inside the L-shaped mounting plate 6. A seat mounting base 8 is fixedly connected to the top of the operating table 2. An impact cylinder 9 is provided on the top side of the L-shaped mounting plate 6. A rectangular groove 10 is dug above the inner wall of the adjusting plate 3. A second servo motor 11 is provided below the wall cavity of the adjusting plate 3. A threaded rod 12 is connected to the top side of the inner wall of the rectangular groove 10 through a bearing. Guide rods 13 are provided on both sides of the threaded rod 12. Both ends of the guide rod 13 are connected to the rectangular groove The inner wall of the groove 10 is fixedly connected, and a lifting block 14 is sleeved on the outer side of the threaded rod 12 and the guide rod 13. The outer side of the lifting block 14 is fixedly connected to the lifting plate 4. The output shaft of the second servo motor 11 is fixedly connected to the bottom end of the threaded rod 12. A nut is passed through the inside of the lifting block 14 through a bearing, and the nut is threadedly connected to the threaded rod 12 through the nut. By starting the second servo motor 11, the output shaft of the second servo motor 11 drives the threaded rod 12 to rotate, so that the threaded rod 12 and the lifting block 14 on the outer side of the guide rod 13 drive the lifting plate 4 to adjust the height. After the lifting plate 4 descends, the seat assembled on the seat mounting base 8 can be subjected to an impact durability test. After the lifting plate 4 rises and resets, it is convenient to disassemble the seat assembled on the seat mounting base 8, and the height can be adjusted according to the style and thickness of the seat.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, a seat vertical impact durability test device according to an embodiment of the utility model comprises a base 1 and an operating table 2. The middle part of the top side of the base 1 is fixedly connected to the operating table 2. An adjusting plate 3 is fixedly connected to the left side of the top of the base 1. A lifting plate 4 is connected to the right side of the adjusting plate 3. A first servo motor 5 is fixedly connected to the lower right side of the lifting plate 4. An L-shaped mounting plate 6 is arranged above the right side of the lifting plate 4. An impact hammer 7 is arranged inside the L-shaped mounting plate 6. A seat mounting base 8 is fixedly connected to the top of the operating table 2. An impact cylinder 9 is arranged on the top side of the L-shaped mounting plate 6. First shaft rods 15 are symmetrically arranged between the inner walls of the lifting plate 4 through bearings, and a second shaft rod 16 is connected to the middle part of the inner cavity through bearings. A first gear 17 is sleeved and fixed on the outer wall of the first shaft rod 15, and a second gear 18 is sleeved and fixed on the outer wall of the second shaft rod 16. The second gear 18 is meshed and connected with the first gear 17 respectively. The output shaft of the first servo motor 5 is fixedly connected to the lower first shaft rod 15. The upper first shaft rod 15 passes through the outer side of the lifting plate 4. And it is fixedly connected to the lower left side of the L-shaped mounting plate 6. By starting the first servo motor 5, the output shaft of the first servo motor 5 drives the first shaft rod 15 below to connect, and the first gear 17 on the outer wall of the lower first shaft rod 15 engages to drive the second gear 18 on the outer wall of the second shaft rod 16 to rotate, so that the second gear 18 engages to drive the first gear 17 on the outer wall of the upper first shaft rod 15 to rotate, so that the upper first shaft rod 15 drives the L-shaped mounting plate 6 to adjust the angle. The L-shaped mounting plate 6 is set vertically upward or horizontally to the right or left, and the impact durability test can be carried out on the backrest inside and outside and the top of the seat cushion of the vertical seat. The rotation angle of the L-shaped mounting plate 6 can be used to keep the impact hammer head 7 in the L-shaped mounting plate 6 at a vertical angle with the inclined backrest according to the inclination angle of the seat backrest, so that it can be suitable for seats with different backrest angles for impact testing. The seat can be tested at different positions by relying solely on the movable adjustable L-shaped mounting plate 6, and the test data is more accurate.

[0029] Embodiment 3

[0030] like Figure 1-4As shown, a seat vertical impact durability testing device according to an embodiment of the utility model comprises a base 1 and an operating table 2. The middle part of the top side of the base 1 is fixedly connected to the operating table 2. An adjusting plate 3 is fixedly connected to the left side of the top of the base 1. A lifting plate 4 is connected to the right side of the adjusting plate 3. A first servo motor 5 is fixedly connected to the lower right side of the lifting plate 4. An L-shaped mounting plate 6 is provided above the right side of the lifting plate 4. An impact hammer 7 is provided inside the L-shaped mounting plate 6. A seat mounting base 8 is fixedly connected to the top of the operating table 2. An impact cylinder 9 is provided on the top side of the L-shaped mounting plate 6. A support frame 19 is fixedly connected to the middle part of the outer side of the L-shaped mounting plate 6. The fixed end of the impact cylinder 9 passes through the support frame 19 and the bottom side of the L-shaped mounting plate 6 in sequence, and the movable end is connected to the impact hammer 7. A connecting disk 20 is connected to the top side of the impact hammer 7, and the connecting disk 20 is fixedly connected to the activities of the impact cylinder 9. An electromagnet 21 is embedded and fixed on the bottom side of the connecting disk 20, and is fixed to the top side of the impact hammer 7 by magnetic adsorption of the electromagnet 21. After the angle of the L-shaped mounting plate 6 is adjusted to a perpendicular angle to the seat surface, the impact cylinder 9 can be started so that the active end of the impact cylinder 9 drives the impact hammer 7 to perform an impact test on the backrest and cushion of the seat. The impact hammer 7 is fixed to the electromagnet 21 by magnetic adsorption, and impact hammers 7 of different masses can be installed and replaced. After the L-shaped mounting plate 6 is in an upward vertical state, the electromagnet 21 can be turned off to make the impact hammer 7 impact the seat in a free fall manner, and the impact durability data is more comprehensive.

[0031] In summary, with the aid of the above-mentioned technical scheme of the utility model, when the device is in use, by starting the second servo motor 11, the output shaft of the second servo motor 11 drives the threaded rod 12 to rotate, so that the threaded rod 12 and the lifting block 14 outside the guide rod 13 drive the lifting plate 4 to adjust the height, and after the lifting plate 4 is lowered, the seat assembled on the seat mounting base 8 can be subjected to an impact durability test, and after the lifting plate 4 is raised and reset, it is convenient to disassemble the seat assembled on the seat mounting base 8, and by starting the first servo motor 5, the output shaft of the first servo motor 5 drives the first shaft rod 15 below to connect, and the first gear 17 on the outer wall of the first shaft rod 15 below engages to drive the second gear 18 on the outer wall of the second shaft rod 16 to rotate, so that the second gear 18 engages to drive the first gear 17 on the outer wall of the first shaft rod 15 above to rotate, so that the upper The first shaft 15 drives the L-shaped mounting plate 6 to adjust the angle. The L-shaped mounting plate 6 is set vertically upward or horizontally to the right or left, so that the inside and outside of the vertical seat backrest and the top of the seat cushion can be subjected to impact durability tests. Moreover, the rotation angle of the L-shaped mounting plate 6 can be used to keep the impact hammer 7 in the L-shaped mounting plate 6 at a vertical angle with the inclined backrest according to the inclination angle of the seat backrest. After the angle of the L-shaped mounting plate 6 is adjusted to a vertical angle with the seat surface, the impact cylinder 9 can be started so that the active end of the impact cylinder 9 drives the impact hammer 7 to perform an impact test on the seat backrest and the seat cushion. The impact hammer 7 is fixed to the electromagnet 21 by magnetic adsorption. Impact hammers 7 of different masses can be installed and replaced. Moreover, after the L-shaped mounting plate 6 is in an upward vertical state, the electromagnet 21 can be turned off to allow the impact hammer 7 to impact the seat in a free fall manner.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A seat vertical impact durability test device, comprising a base (1) and an operating table (2), characterized in that: The middle part of the top side of the base (1) is fixedly connected to the operating table (2); an adjustment plate (3) is fixedly connected to the left side of the top of the base (1); a lifting plate (4) is connected to the right side of the adjustment plate (3); a first servo motor (5) is fixedly connected to the lower right side of the lifting plate (4); an L-shaped mounting plate (6) is provided above the right side of the lifting plate (4); an impact hammer (7) is provided inside the L-shaped mounting plate (6); a seat mounting base (8) is fixedly connected to the top of the operating table (2); and an impact cylinder (9) is provided on the top side of the L-shaped mounting plate (6).

2. A seat vertical impact durability testing device according to claim 1, characterized in that: A rectangular groove (10) is excavated above the inner wall of the adjustment plate (3), a second servo motor (11) is provided below the wall cavity of the adjustment plate (3), a threaded rod (12) is connected to the top side of the inner wall of the rectangular groove (10) via a bearing, and guide rods (13) are respectively provided on both sides of the threaded rod (12).

3. A seat vertical impact durability testing device according to claim 2, characterized in that: The two ends of the guide rod (13) are fixedly connected to the inner wall of the rectangular groove (10); the threaded rod (12) and the outer side of the guide rod (13) are sleeved with a lifting block (14); the outer side of the lifting block (14) is fixedly connected to the lifting plate (4).

4. A seat vertical impact durability testing device according to claim 3, characterized in that: The output shaft of the second servo motor (11) is fixedly connected to the bottom end of the threaded rod (12); a nut is provided inside the lifting block (14) through a bearing, and the nut is threadably connected to the threaded rod (12) through the nut.

5. A seat vertical impact durability testing device according to claim 4, characterized in that: A first shaft (15) is symmetrically arranged between the inner walls of the lifting plate (4) via bearings, and a second shaft (16) is connected to the middle of the inner cavity via a bearing, a first gear (17) is sleeved and fixed on the outer wall of the first shaft (15), and a second gear (18) is sleeved and fixed on the outer wall of the second shaft (16).

6. A seat vertical impact durability testing device according to claim 5, characterized in that: The second gears (18) are respectively meshed and connected with the first gears (17); the output shaft of the first servo motor (5) is fixedly connected with the first shaft rod (15) at the bottom; the first shaft rod (15) at the top passes through the outside of the lifting plate (4) and is fixedly connected with the lower left side of the L-shaped mounting plate (6).

7. A seat vertical impact durability testing device according to claim 6, characterized in that: A support frame (19) is fixedly connected to the middle of the outer side of the L-shaped mounting plate (6); the fixed end of the impact cylinder (9) passes through the support frame (19) and the bottom side of the L-shaped mounting plate (6) in sequence, and the movable end is connected to the impact hammer head (7).

8. The seat vertical impact durability testing device according to claim 7, characterized in that: The top side of the impact hammer (7) is connected to a connection disk (20), the connection disk (20) is fixedly connected to the movement of the impact cylinder (9), and an electromagnet (21) is embedded and fixed on the bottom side of the connection disk (20), and is fixed to the top side of the impact hammer (7) through magnetic adsorption by the electromagnet (21).

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