WO2023213115A1

WO2023213115A1 - Durability testing device for transverse moving assembly of vehicle power seat

Info

Publication number: WO2023213115A1
Application number: PCT/CN2023/077238
Authority: WO
Inventors: 吴从兵; 周红霞
Original assignee: 皖西学院
Priority date: 2022-05-06
Filing date: 2023-02-20
Publication date: 2023-11-09
Also published as: ZA202303387B; CN114942125A

Abstract

A durability testing device for a transverse moving assembly of a vehicle power seat, relating to the field of durability testing of transverse moving assemblies of vehicle seats, and comprising: a workbench (1), a box (3), an upper cover (5), and a first engaging mechanism (6). A slideway (21) is fixed on the workbench (1), the box (3) is fixed at the upper end of a sliding block (22), and a counterweight block is added into the box (3), so that the addition of a load to durability testing of the transverse moving assembly is implemented, so as to improve the reliability of a test result; moreover, the effect of adjusting the load can be achieved by changing the weight of the counterweight block, such that comprehensive test data is obtained, and the reliability of the test result is further improved; by arranging the upper cover (5) and the first engaging mechanism (6) at the upper end of the box (3), the test timing is associated with the positional state of the upper cover (5), so as to prevent the counterweight block inside the box (3) from being thrown out during a testing process; and by providing a clamping mechanism (7) and a second engaging mechanism (8) on the workbench (1), the test timing is associated with the clamping mechanism (7), thereby ensuring the stability of a durability testing process.

Description

A durability testing device for automobile electric seat transverse components

Technical field

The invention belongs to the field of durability testing of automobile seat transverse components, and specifically relates to a durability testing device for automobile electric seat transverse components.

Background technique

With the continuous development of science and technology, the electric seat on the car is a main configuration of the car. The seat position is adjusted by controlling the lateral movement of the seat to adapt to drivers of different sizes; the lateral movement components of the car include sliders. The long-term use of the slide rails and sliders will cause the slide rails and sliders to wear, thereby affecting the lateral movement of the car seat; therefore, before a batch of lateral movement components are shipped from the factory, a certain proportion of lateral movement components need to be extracted. Its durability is tested; currently, the durability test of the transverse component is usually carried out under no-load condition, which is not consistent with the practical environment of the car seat, making the durability test results insufficiently reliable.

Contents of the invention

In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a durability testing device for the traverse component of an automobile electric seat, which solves the problem of insufficient reliability caused by no-load testing of the durability of the transverse component in the prior art.

The object of the present invention can be achieved through the following technical solutions:

A durability testing device for a car electric seat transverse assembly, including a workbench. The transverse assembly includes a slideway and a slide block. The slideway is fixed on the upper end of the workbench. The upper end of the slider is fixed with a bolt connection. Box body, the box body is used to store counterweight blocks;

Two first fixed plates are fixed on the upper end of the workbench, and the two first fixed plates are rotationally connected. There is a screw rod, which penetrates the box body and is threadedly connected to the box body. A first driving device is fixed on one of the first fixing plates. The first driving device can drive the screw rod to rotate forward and reverse.

Further, the upper end of the box is slidably connected to an upper cover, and the upper cover can seal the upper end of the box;

A first engaging mechanism is provided on one side of the box. The first engaging mechanism includes a second fixed plate fixed on one side of the box. A lifting rod is slidably connected to the second fixed plate, and the sliding direction is vertical. direction; the lower end of the lifting rod is fixed with a fixed rod, and the lower end of the fixed rod is provided with a first clamping plate; the upper end of the lifting rod is provided with a first wedge-shaped block, the lifting rod is covered with a first spring, and the two ends of the first spring are respectively connected with The upper end surface of the second fixed plate and the lower end surface of the first wedge block are fixedly connected. Under the elastic force of the first spring, the upper end surface of the fixed rod can be close to the lower end of the second fixed plate. At this time, the first clamping plate Not in contact with the screw;

A second wedge-shaped block is provided on one side of the upper cover. The second wedge-shaped block can cooperate with the first wedge-shaped block. When the upper cover slides toward the outside of the box, the second wedge-shaped block can contact the first wedge-shaped block. And can drive the lifting rod to descend, so that the first clamping plate can be engaged with the spiral groove on the screw rod; and when the upper cover completely covers the upper end of the box, the first clamping plate just leaves the screw rod.

Further, the first clamping plate is slidingly connected to the fixed rod, and the sliding direction is a vertical direction. A second spring is installed between the fixed rod and the first clamping plate, thereby realizing the locking between the fixed rod and the first clamping plate. Flexible connection.

Further, a limiting groove is provided on the fixed rod, and a limiting block is provided on the first clamping plate. The limiting block is located in the limiting groove, and under the elastic force of the second spring, the limiting block can be tightly attached to the The lower end of the limit slot.

Further, the upper end of the workbench is provided with a clamping mechanism, which is used to clamp and fix the slideway;

The clamping mechanism includes two splints slidingly connected to the workbench. The sliding direction of the splints is consistent with the slider. The sliding direction is parallel; a first rack is fixed at the lower end of each splint, a second driving device is fixed at the lower end of the workbench, a first gear is fixed on the drive shaft of the second driving device, and the first gear is located on the two One gear rack meshes with the two first gear racks at the same time. By controlling the operation of the second driving device, the two clamping blocks can slide synchronously and reversely to fix the slideway.

Further, a second engaging mechanism is provided on the upper end of the workbench. The second engaging mechanism includes a third fixed plate fixed on the upper end of the workbench. A sliding rod is slidably connected to the third fixed plate. One end of the sliding rod is provided with There is a second clamping plate, and a third spring is set on the sliding rod. Both ends of the third spring are fixedly connected with the sides of the second clamping plate and the side of the third fixed plate respectively. Under the elastic force of the third spring, the second The clamping plate can engage with the spiral groove of the screw rod.

Further, the upper end of the workbench is rotatably connected to a rotating rod, a second gear and a third gear are fixed on the rotating rod, a second rack is provided on the sliding rod, and the second rack meshes with the second gear, wherein A connecting rod is fixed on a splint, and a third rack is provided on the connecting rod. When the two splints are close to each other, the third gear can mesh with the third gear and can drive the sliding rod in a direction away from the screw rod. Slide; and when the two clamping plates clamp the slideway, the second clamping plate just leaves the screw rod.

Beneficial effects of the present invention: by fixing the slideway on the workbench, fixing a box at the upper end of the slider, and adding a counterweight block in the box, the load can be added to the durability test of the traversing component to improve The reliability of the test results, and the effect of adjusting the load can be achieved by changing the weight of the counterweight block, thereby obtaining more comprehensive test data and further improving the reliability of the test results; by setting an upper cover on the upper end of the box, A first engaging mechanism is set on one side of the box to link the test timing with the position of the upper cover, so that the screw rod can rotate only when the upper end of the box is covered, preventing the counterweight in the box from The block is thrown out; by setting a clamping mechanism on the workbench, and by setting a second engaging mechanism, the test timing is associated with the clamping mechanism, so that the slide block can slide only when the slide is clamped and fixed. , the durability test has been completed to prevent the slide from being clamped and affecting the durability test process. stability.

Description of the drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings needed to describe the embodiments or the prior art. Obviously, for those of ordinary skill in the art, Speaking of which, other drawings can be obtained based on these drawings without any creative effort.

Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

Figure 2 is a schematic structural diagram of the traverse component according to the embodiment of the present invention;

Figure 3 is a schematic structural diagram of the upper cover according to the embodiment of the present invention;

Figure 4 is a schematic structural diagram of the first engaging mechanism according to the embodiment of the present invention;

Figure 5 is a schematic structural diagram of the lifting rod assembly according to the embodiment of the present invention;

Figure 6 is a schematic structural diagram of the clamping mechanism according to the embodiment of the present invention;

Figure 7 is a schematic structural diagram of the second engaging mechanism according to the embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

As shown in Figure 1-2, a durability test device for a car electric seat transverse assembly has a workbench 1. The transverse assembly 2 completes the durability test at the upper end of the workbench 1; the transverse assembly 2 includes a slide 21 and a sliding The block 22 and the slideway 21 are fixed on the upper end of the workbench 1. The slider 22 is slidingly connected with the slideway 21. The upper end of the slider 22 is fixed with a box 3 through bolt connection. The counterweight block can be stored in the box 3 to facilitate movement. Adding load to the durability test of component 2 makes the test results more realistic and improves the reliability of the test results;

Two first fixed plates 11 are fixed on the upper end of the workbench 1, and a screw rod 4 is rotatably connected between the two first fixed plates 11. The screw rod 4 penetrates the lower end of the box 1 and is threadedly connected to the box 1, wherein A first driving device 41 for driving the screw rod 4 to rotate is fixed on a first fixed plate 11. By controlling the forward and reverse rotation of the first driving device 41, the slider 22 can slide back and forth on the slideway 21, and the number of reciprocations can be recorded and Observe the wear degree of the slider 22 and the slideway 21 to achieve the purpose of testing durability; and you can also adjust the load by changing the weight of the counterweight block, thereby obtaining more comprehensive test data and further improving the test. reliability of results

The upper end of the box 3 is slidingly connected with an upper cover 5. The upper cover 5 can cover the upper end of the box 3, so that when the box 23 is placed and slides back and forth with the slider 22, the counterweight in the box 3 is thrown away. out;

A first engaging mechanism 6 is provided on one side of the box 3. The first engaging mechanism 6 is used to control the rotation timing of the screw rod 4 to prevent the screw rod from rotating when the upper cover 5 does not completely cover the upper end of the box 3. 4 rotates so that the counterweight in the box 3 is thrown out;

As shown in Figures 3-5, the first engaging mechanism 6 includes a second fixing plate 61 fixed on one side of the box 3. The second fixing plate 61 is provided with a lifting rod assembly 62. The lifting rod assembly 62 includes a second fixing plate 61 and a second fixing plate 61. The lifting rod 621 is slidably connected to the fixed plate 61, and the sliding direction is the vertical direction; the lower end of the lifting rod 621 is fixed with a fixed rod 622, the lower end of the fixed rod 623 is provided with a first clamping plate 64, and the end of the first clamping plate 64 can Engage with the spiral groove on the screw rod 4 to limit the rotation of the screw rod 4; the upper end of the lifting rod 621 is provided with a first wedge block 623, the lifting rod 621 is covered with a first spring 63, and both ends of the first spring 63 They are respectively fixedly connected to the upper end surface of the second fixed plate 61 and the lower end surface of the first wedge block 623. Under the elastic force of the first spring 63, the upper end surface of the fixed rod 623 can be closely attached to the lower end of the second fixed plate 61. At this time, the first clamping plate 64 is not in contact with the screw rod 4;

A second wedge-shaped block 51 is provided on one side of the upper cover 5 . The second wedge-shaped block 51 can cooperate with the first wedge-shaped block 623 . When the upper cover 5 slides toward the outside of the box 3 to open the upper end of the upper cover 3 ,second The wedge block 51 can contact the first wedge block 623 and drive the lifting rod 62 to descend, so that the first clamping plate 64 can be engaged with the spiral groove on the screw rod 4; and, when the upper cover 5 completely moves the box 3 When the upper end of the box 3 is covered, the first clamping plate 64 just leaves the screw rod 4, thus realizing that the screw rod 4 can only rotate when the upper end of the box 3 is covered, thus avoiding the open end of the box 3 during the durability test. , resulting in the risk of the internal counterweight being thrown out;

In this embodiment, the first clamping plate 64 is slidably connected to the fixed rod 622, and the sliding direction is the vertical direction. A second spring 65 is installed between the fixed rod 622 and the first clamping plate 64, so that the fixed rod 622 and the fixed rod 622 are connected to each other. The elastic connection between the first clamping plates 64 allows the lifting rod 621 to continue to descend after the first clamping plate 64 is engaged with the spiral groove of the screw rod 4 to ensure that the upper cover 3 can be fully opened to facilitate adding or removing components. heavy block;

The fixed rod 622 is provided with a limiting groove 6221, and the first clamping plate 64 is provided with a limiting block 641. The limiting block 641 is located in the limiting groove 6221, and under the elastic force of the second spring 65, the limiting block 641 can It is in close contact with the lower end of the limiting groove 6221 to prevent the first clamping plate 64 from being separated from the fixing rod 622 .

The upper end of the workbench 1 is provided with a clamping mechanism 7. The clamping mechanism 7 is used to clamp and fix the slideway 21 and facilitate the disassembly and assembly of the slideway 21 and the slider 22;

As shown in Figure 6, the clamping mechanism 7 includes two clamping plates 71 that are slidingly connected to the workbench 1. The sliding direction of the clamping plates 71 is parallel to the sliding direction of the slider 22; so that the two clamping plates 71 are close to each other so that the slideway 21 can be Clamp, and avoid that when the slider 22 slides on the slideway 21, the impulse generated affects the clamping stability of the slideway 21 by the clamping block 71;

A first rack 72 is fixed at the lower end of each clamping plate 71. A second driving device 73 is fixed at the lower end of the workbench 1. A first gear 74 is fixed on the driving shaft of the second driving device 73. The first gear 74 is located on both sides. between the two first racks 72 and meshing with the two first racks 72 at the same time. By controlling the operation of the second driving device 73, the two clamping blocks 71 can be synchronously slid in the reverse direction, thereby realizing the movement of the slide 21. solid Certainly.

The upper end of the workbench 1 is provided with a second engaging mechanism 8. The second engaging mechanism 8 controls the testing timing and is interconnected with the clamping mechanism 7, so that the slider 22 can slide only when the slideway 21 is clamped and fixed. , the durability test has been completed to avoid that the slide 21 is not clamped and affects the stability of the durability test process;

As shown in Figure 7, the second engaging mechanism 8 includes a third fixed plate 81 fixed on the upper end of the workbench 1. A sliding rod 82 is slidably connected to the third fixed plate 81, and a second clamping plate is provided at one end of the sliding rod 82. 83. The sliding rod 82 is covered with a third spring 84. The two ends of the third spring 84 are fixedly connected to the side of the second clamping plate 83 and the side of the third fixed plate 81 respectively. Under the elastic force of the third spring 84, The second clamping plate 83 can engage with the spiral groove of the screw rod 4, thereby restricting the sliding of the slider 22;

The upper end of the workbench 1 is rotatably connected to a rotating rod 85. A second gear 86 and a third gear 87 are fixed on the rotating rod 85. A second rack 821 is provided on the sliding rod 82. The second rack 821 and the second gear 86 Engaging with each other, a connecting rod 88 is fixed on one of the clamping plates 71, and a third rack 881 is provided on the connecting rod 88. When the two clamping plates 71 approach each other, the third gear 881 can mesh with the third gear 87, and It can drive the sliding rod 82 to slide in the direction away from the screw 4; and when the two clamping plates 71 clamp the slide 21, the second clamping plate 83 just leaves the screw 4, thus realizing that only when the slide 21 is clamped When clamped, the slider 22 can slide.

working principle:

By fixing the slide 21 on the workbench 1, and fixing the box 3 on the upper end of the slider 22, and adding a counterweight block to the box 3, the load can be added to the durability test of the traverse component to improve the test. The reliability of the results, and the effect of adjusting the load can be achieved by changing the weight of the counterweight block, thereby obtaining more comprehensive test data and further improving the reliability of the test results; by setting an upper cover 5 on the upper end of the box 3 , and a first engaging mechanism 6 is provided on one side of the box 3 to link the test timing with the position and state of the upper cover 5, so that the screw rod 4 can rotate only when the upper end of the box 3 is covered. move to prevent the counterweight in the box 3 from being thrown out; by setting the clamping mechanism 7 on the workbench 1, and by setting the second engaging mechanism 8, the test timing is associated with the clamping mechanism 7, so that Only when the slideway 21 is clamped and fixed, the slider 22 can slide to complete the durability test, so as to avoid the slideway 21 not being clamped and affecting the stability of the durability test process.

In the description of this specification, reference to the terms "one embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the invention. in an embodiment or example. In this specification, schematic representations 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 any one or more embodiments or examples.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention.

Claims

A durability testing device for a car electric seat transverse assembly, including a workbench (1). The transverse assembly includes a slideway (21) and a slider (22). The slideway (21) is fixed on the workbench (1). The upper end is characterized in that the upper end of the slider (22) is fixed with a box (3) through bolt connection, and the box (3) is used to store the counterweight block;

Two first fixed plates (11) are fixed on the upper end of the workbench (1), and a screw rod (4) is rotatably connected between the two first fixed plates (11). The screw rod (4) penetrates the box body ( 3) and is threadedly connected to the box (3). A first driving device (41) is fixed on one of the first fixing plates (11). The first driving device (41) can drive the screw rod (4) to rotate forward and reverse.
A durability testing device for a car electric seat transverse assembly according to claim 1, characterized in that an upper cover (5) is slidably connected to the upper end of the box (3), and the upper cover (5) can Cover the upper end of the box (3);

A first engaging mechanism (6) is provided on one side of the box (3). The first engaging mechanism (6) includes a second fixing plate (61) fixed on one side of the box (3). A lifting rod (621) is slidably connected to the fixed plate (61), and the sliding direction is vertical; a fixed rod (622) is fixed at the lower end of the lifting rod (621), and a first clamp is provided at the lower end of the fixed rod (623). Plate (64); the upper end of the lifting rod (621) is provided with a first wedge-shaped block (623), the lifting rod (621) is covered with a first spring (63), and the two ends of the first spring (63) are respectively connected with the second The upper end surface of the fixed plate (61) and the lower end surface of the first wedge block (623) are fixedly connected. Under the elastic force of the first spring (63), the upper end surface of the fixed rod (623) can be tightly attached to the second fixed plate. The lower end of (61), at this time, the first clamping plate (64) is not in contact with the screw rod (4);

A second wedge-shaped block (51) is provided on one side of the upper cover (5). The second wedge-shaped block (51) can cooperate with the first wedge-shaped block (623). When the upper cover (5) faces the box (51), 3) When sliding on the outside, the second wedge The shaped block (51) can contact the first wedge-shaped block (623), and can drive the lifting rod (62) to descend, thereby enabling the first clamping plate (64) to engage with the spiral groove on the screw rod (4); and , when the upper cover (5) completely covers the upper end of the box (3), the first clamping plate (64) just leaves the screw rod (4).
A durability testing device for a car electric seat transverse assembly according to claim 2, characterized in that the first clamping plate (64) is slidingly connected to the fixed rod (622), and the sliding direction is vertical. direction, a second spring (65) is installed between the fixed rod (622) and the first clamping plate (64), thereby realizing an elastic connection between the fixed rod (622) and the first clamping plate (64).
A durability testing device for a car electric seat transverse assembly according to claim 3, characterized in that a limiting slot (6221) is provided on the fixed rod (622), and a limiting slot (6221) is provided on the first clamping plate (64). A limiting block (641) is provided. The limiting block (641) is located in the limiting groove (6221), and under the elastic force of the second spring (65), the limiting block (641) can be tightly attached to the limiting groove. (6221) lower end.
A durability testing device for a car electric seat transverse assembly according to claim 2, characterized in that a clamping mechanism (7) is provided at the upper end of the workbench (1), and the clamping mechanism (7) Used to clamp and fix the slide (21);

The clamping mechanism (7) includes two clamping plates (71) slidingly connected to the workbench (1). The sliding direction of the clamping plates (71) is parallel to the sliding direction of the slider (22); the sliding direction of each clamping plate (71) The first racks (72) are respectively fixed at the lower ends, the second driving device (73) is fixed at the lower end of the workbench (1), and the first gear (74) is fixed on the driving shaft of the second driving device (73). A gear (74) is located between the two first racks (72) and meshes with the two first racks (72) at the same time. By controlling the operation of the second driving device (73), two clamping blocks can be realized (71) synchronizes reverse sliding to achieve fixation of the slideway (21).
A durability testing device for a car electric seat transverse assembly according to claim 5, characterized in that a second engaging mechanism (8) is provided at the upper end of the workbench (1), and the second engaging mechanism (8) is provided at the upper end of the workbench (1). machine The structure (8) includes a third fixed plate (81) fixed on the upper end of the workbench (1). A sliding rod (82) is slidably connected to the third fixed plate (81). One end of the sliding rod (82) is provided with a second The clamping plate (83) and the sliding rod (82) are covered with a third spring (84). The two ends of the third spring (84) are respectively connected with the sides of the second clamping plate (83) and the third fixed plate (81). The side is fixedly connected, and under the elastic force of the third spring (84), the second clamping plate (83) can engage with the spiral groove of the screw rod (4).
A durability testing device for a car electric seat transverse assembly according to claim 6, characterized in that a rotating rod (85) is rotatably connected to the upper end of the workbench (1), and the upper end of the rotating rod (85) The second gear (86) and the third gear (87) are fixed, and the sliding rod (82) is provided with a second rack (821). The second rack (821) meshes with the second gear (86), wherein A connecting rod (88) is fixed on a clamping plate (71), and a third gear rack (881) is provided on the connecting rod (88). When the two clamping plates (71) are close to each other, the third gear (881) can It meshes with the third gear (87) and can drive the sliding rod (82) to slide in the direction away from the screw rod (4); and when the two clamping plates (71) clamp the slide (21), the second The clamping plate (83) just leaves the screw rod (4).