Return torque testing device for automobile seat backrest

Abstract

The utility model provides an automobile seat backrest return torque testing device which comprises a rotating disc, a testing assembly is installed on the rotating disc, a vertical sliding rail is connected with the rotating disc through a connecting piece, a transverse sliding rail is connected with the vertical sliding rail through a locking piece, and the transverse sliding rail is connected with the rotating disc through a connecting piece. The top of the automobile seat backrest is arranged between the pushing piece and the connecting plate, the connecting plate is inserted into a limiting groove of the transverse sliding rail, one end of the load force sensor body is connected with the connecting plate, and the other end of the load force sensor body is connected with the pushing piece. The rotating disc is driven to rotate under the action of the driving piece, then the pushing piece and the connecting plate drive the backrest of the automobile seat to move, the manual adjustment mode in a traditional laboratory is changed, and the force value of the backrest of the automobile seat during rotation is monitored in real time through the load force sensor body.

Description

Technical Field

[0001] The utility model relates to the technical field of torque testing devices, in particular to a vehicle seat backrest restoring torque testing device. Background Art

[0002] Car seats are an important part of car design, and their design and development involve many aspects, including materials, functions, adjustment devices and ergonomics.

[0003] Among them, car seats need to undergo a backrest recovery torque test before leaving the factory. The existing car seat backrest recovery torque test device in the laboratory is composed of a handheld force sensor. The backrest unlocking is completed through manual control. During the test, the backrest must be rotated to different angles for testing. The backrest cannot collect force values ​​in real time during the entire stroke, and the value of the backrest recovery torque cannot be monitored. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle seat backrest restoring torque testing device, which solves the problem that the backrest needs to be rotated to different angles for testing and the force value of the backrest cannot be collected in real time during the entire travel process.

[0005] The utility model provides a vehicle seat backrest restoring torque testing device, comprising a rotating disk, on which a testing component is mounted, and the testing component is used to collect force values ​​of a vehicle seat in a rotating state;

[0006] The test assembly includes a vertical slide rail, a connecting member, a transverse slide rail, a locking member, a connecting plate, a load cell body, a pushing member and a driving member;

[0007] The vertical slide rail is connected to the rotating disk through the connecting member, the transverse slide rail is connected to the vertical slide rail through the locking member, the connecting plate is inserted into the limiting groove of the transverse slide rail, one end of the load sensor body is connected to the connecting plate, and the other end of the load sensor body is connected to the pushing member, the pushing member is used to push the car backrest to deflect, and the driving member is used to drive the rotating disk to rotate.

[0008] Preferably, the driving member includes a mounting housing, a motor and a rotating shaft;

[0009] The rotating shaft is fixedly connected to the center hole of the rotating disk, the output end of the motor is connected to an end of the rotating shaft away from the rotating disk, and the motor is fixedly connected to the cavity of the mounting shell.

[0010] Preferably, an adjustment component is installed on the outer wall of the mounting shell, and the adjustment component is used to adjust the use height of the mounting shell;

[0011] The adjustment assembly includes a carrier, a transmission shaft, a slider, a guide rod and a fixing member;

[0012] The outer periphery of the slider is fixedly connected to the mounting shell, the transmission shaft is connected to the internal thread of the slider, the support frame is rotatably connected to the support frame through a bearing, the guide rod is inserted into the through hole of the mounting shell, the upper and lower ends of the guide rod are connected to the support frame, and the fixing part is used to fix the test position of the car seat.

[0013] Preferably, the fixing member includes a base, a threaded sleeve, a screw and a pressing plate;

[0014] The base is fixedly connected to the bottom end of the supporting frame, the threaded sleeve is fixedly connected to the limiting hole of the base, the screw rod is connected to the inner thread of the threaded sleeve, and the pressure plate is connected to the screw rod through a bearing.

[0015] Preferably, the threaded sleeves are evenly distributed along the base, and the threaded sleeves are used to install the screw rods at different positions.

[0016] Preferably, the connecting member includes a baffle and a limiting pin;

[0017] The baffle is installed on a side of the vertical slide rail away from the rotating disk, and the baffle is connected to the rotating disk through the limiting pin.

[0018] Preferably, the locking member includes a clamp and a positioning pin;

[0019] The clamp is fixedly connected to the transverse slide rail, the clamp is inserted into the outer periphery of the vertical slide rail, and the clamp is connected to the vertical slide rail via the positioning pin.

[0020] Preferably, bolts are provided on the connecting plate, and the connecting plate is connected to the transverse slide rail via the bolts.

[0021] Preferably, the pushing member includes a strip plate and a blocking rod;

[0022] The strip plate is fixedly connected to a side of the load sensor body away from the connecting plate, and the top end of the blocking rod is fixedly connected to the strip plate.

[0023] Preferably, the connecting plate is processed with a protrusion that is compatible with the transverse slide rail, and the protrusion is used to constrain the moving direction of the connecting plate.

[0024] The utility model provides a vehicle seat backrest restoring torque test device:

[0025] Through the coordinated use of vertical slide rails, connectors, transverse slide rails, locking members, connecting plates, load cell bodies, pushers, and driving members, the use position of the transverse slide rails is adjusted on the vertical slide rails, and the transverse slide rails are fixed in position using locking members. After the use position of the connecting plate is properly adjusted in the transverse slide rails, when testing the car seat, the top of the car seat backrest is positioned between the pushing member and the connecting plate. The driving member drives the rotating disk to rotate, and then the pushing member and the connecting plate drive the movement of the car seat backrest, thereby changing the manual adjustment method in traditional laboratories. The force value of the car seat backrest during rotation is monitored in real time through the load cell body to monitor the value of the backrest return torque. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 This is a schematic diagram of the structure of the utility model;

[0028] Figure 2 This is a structural diagram of the rotating disk, connecting parts and vertical slide rails in the utility model;

[0029] Figure 3 This is a structural diagram of the carrier frame, transmission shaft, slider, and guide rod in the utility model;

[0030] Figure 4 This is a schematic structural diagram of the transverse slide rail, clamp, positioning pin, and connecting plate in the present invention;

[0031] Figure 5 It is a structural schematic diagram of the threaded sleeve, screw and pressing plate in the utility model.

[0032] Description of reference numerals:

[0033] 1-rotating disk, 2-test assembly, 21-vertical slide rail, 22-connecting part, 221-baffle, 222-limit pin, 23-horizontal slide rail, 24-locking part, 241-clamp, 242-locating pin, 25-connecting plate, 251-bolt, 26-load sensor body, 27-pushing part, 271-strip plate, 272-blocking rod, 28-driving part, 281-mounting shell, 282-motor, 283-rotating shaft, 3-adjusting assembly, 31-carrying frame, 32-transmission shaft, 33-slider, 34-guide rod, 35-fixing part, 351-base, 352-threaded sleeve, 353-screw, 354-pressure plate. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that the terms "center" - "longitudinal" - "transverse" - "length" - "width" - "thickness" - "up" - "down" - "front" - "back" - "left" - "right" - "vertical" - "horizontal" - "top" - "bottom" - "inside" - "outside" - "clockwise" - "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0036] In the description of the present invention, it should be understood that the terms "first"-"second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first"-"second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed"-"connected"-"connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0037] In this embodiment, if Figure 1 and Figure 2As shown, the car seat backrest restoring torque testing device includes a rotating disk 1, on which a test assembly 2 is installed. The test assembly 2 is used to collect force values ​​of the car seat in a rotating state. The test assembly 2 includes a vertical slide rail 21, a connecting member 22, a transverse slide rail 23, a locking member 24, a connecting plate 25, a load sensor body 26, a pushing member 27 and a driving member 28. The vertical slide rail 21 is connected to the rotating disk 1 through the connecting member 22, and the transverse slide rail 23 is connected to the vertical slide rail 21 through the locking member 24. The connecting plate 25 is inserted into the limiting groove of the transverse slide rail 23. One end of the load sensor body 26 is connected to the connecting plate 25, and the other end of the load sensor body 26 is connected to the pushing member 27. The pushing member 27 is used to push the car backrest to deflect, and the driving member 28 is used to drive the rotating disk 1 to rotate.

[0038] Therefore, the vertical slide rail 21 is fixed to the outer wall of the rotating disk 1 using the connecting member 22, the use position of the transverse slide rail 23 is adjusted on the vertical slide rail 21, the position of the transverse slide rail 23 is fixed using the locking member 24, and after the use position of the connecting plate 25 in the transverse slide rail 23 is adjusted appropriately, when the car seat is tested, the top of the car seat backrest is between the pushing member 27 and the connecting plate 25, and the rotating disk 1 is driven to rotate under the action of the driving member 28, and then the pushing member 27 and the connecting plate 25 drive the backrest of the car seat to move. At the same time, the load sensor body 26 monitors the force value of the car seat backrest when it rotates in real time.

[0039] Specifically, the bottom end of the vertical slide rail 21 is connected to the rotating disk 1, the locking member 24 is used to change the position of the transverse slide rail 23 on the vertical slide rail 21, the transverse slide rail 23 and the vertical slide rail 21 are arranged vertically, and a limit groove adapted to the connecting plate 25 is opened in the transverse slide rail 23. The load sensor body 26 is used to monitor the force value of the car seat back in real time during movement. The load sensor body 26 is installed between the pushing member 27 and the connecting plate 25. The pushing member 27 and the connecting plate 25 cooperate to drive the movement of the car seat back.

[0040] In some embodiments, as Figure 3 As shown, the driving member 28 includes a mounting shell 281, a motor 282 and a rotating shaft 283. The rotating shaft 283 is fixedly connected to the center hole of the rotating disk 1. The output end of the motor 282 is connected to the end of the rotating shaft 283 away from the rotating disk 1. The motor 282 is fixedly connected in the cavity of the mounting shell 281.

[0041] Specifically, a cavity is machined in the mounting shell 281 for accommodating the motor 282 . The motor 282 provides power for the rotation of the rotating shaft 283 . The rotating shaft 283 drives the rotating disk 1 to rotate and further drives the backrest of the car seat to deflect.

[0042] In some embodiments, as Figure 3As shown, an adjustment assembly 3 is installed on the outer wall of the mounting shell 281. The adjustment assembly 3 is used to adjust the use height of the mounting shell 281. The adjustment assembly 3 includes a carrier 31, a transmission shaft 32, a slider 33, a guide rod 34 and a fixing member 35. The outer periphery of the slider 33 is fixedly connected to the mounting shell 281, the transmission shaft 32 and the slider 33 are internally threaded, the carrier 31 is rotatably connected to the carrier 31 via a bearing, the guide rod 34 is inserted into the through hole of the mounting shell 281, and the upper and lower ends of the guide rod 34 are connected to the carrier 31. The fixing member 35 is used to fix the test position of the car seat;

[0043] Specifically, the carrier 31 is processed into a U shape, the transmission shaft 32 rotates in the carrier 31 through a bearing, the slider 33 is internally threaded with the transmission shaft 32, and the guide rod 34 is designed to enable the mounting shell 281 to move vertically;

[0044] Illustratively, a handwheel is provided at the top of the transmission shaft 32 for driving the transmission shaft 32 to rotate. The handwheel can also be replaced with a servo motor to drive the transmission shaft 32 to rotate. The driving method of the transmission shaft 32 is not specifically limited.

[0045] In some embodiments, as Figure 5 As shown, the fixing member 35 includes a base 351, a threaded sleeve 352, a screw 353 and a pressure plate 354. The base 351 is fixedly connected to the bottom end of the supporting frame 31, the threaded sleeve 352 is fixedly connected to the limiting hole of the base 351, the screw 353 is connected to the internal thread of the threaded sleeve 352, and the pressure plate 354 is connected to the screw 353 through a bearing.

[0046] Specifically, the base 351 is used to support the car seat, the internal thread of the threaded sleeve 352 is adapted to the screw 353, and by adjusting the depth of the screw 353 in the threaded sleeve 352, the screw 353 drives the pressure plate 354 to clamp the car seat. The surface of the pressure plate 354 is provided with grinding grooves to increase the friction between it and the car seat.

[0047] In some embodiments, as Figure 3 As shown, the threaded sleeves 352 are evenly distributed along the base 351 , and the threaded sleeves 352 are used to install the screw rods 353 at different positions.

[0048] Specifically, a plurality of threaded sleeves 352 are provided, and the number of threaded sleeves 352 used can be installed according to the specific usage requirements. The provision of multiple threaded sleeves 352 facilitates the installation of the screw rod 353.

[0049] In some embodiments, as Figure 2 As shown, the connecting member 22 includes a baffle 221 and a limiting pin 222 . The baffle 221 is installed on a side of the vertical slide rail 21 away from the rotating disk 1 . The baffle 221 is connected to the rotating disk 1 via the limiting pin 222 .

[0050] Specifically, the baffle 221 and the vertical slide rail 21 are arranged in parallel, and four limit pins 222 are installed in the baffle 221. The outer wall of the limit pin 222 is processed with threads. The baffle 221 cooperates with the limit pin 222 to fix the position of the bottom end of the vertical slide rail 21 and the rotating disk 1.

[0051] In some embodiments, as Figure 2 As shown, the locking member 24 includes a clamp 241 and a positioning pin 242 . The clamp 241 is fixedly connected to the horizontal slide rail 23 . The clamp 241 is inserted into the outer periphery of the vertical slide rail 21 . The clamp 241 is connected to the vertical slide rail 21 via the positioning pin 242 .

[0052] Specifically, the internal groove of the clamp 241 is adapted to the vertical slide rail 21 , and the outer wall of the positioning pin 242 is processed with threads. The position of the clamp 241 on the vertical slide rail 21 is changed to adjust the position of the transverse slide rail 23 .

[0053] In some embodiments, as Figure 4 As shown, bolts 251 are provided on the connecting plate 25 , and the connecting plate 25 is connected to the transverse slide rail 23 via the bolts 251 .

[0054] Two threaded holes compatible with the bolts 251 are processed on the connecting plate 25. The bolts 251 are used to fix the position of the connecting plate 25 in the transverse slide rail 23. In addition, the bolts 251 can be replaced with other fixing structures that can fix the position of the connecting plate 25 in the transverse slide rail 23.

[0055] In some embodiments, as Figure 2 As shown, the pusher 27 includes a strip plate 271 and a blocking rod 272 . The strip plate 271 is fixedly connected to a side of the load sensor body 26 away from the connecting plate 25 . The top of the blocking rod 272 is fixedly connected to the strip plate 271 .

[0056] Specifically, there are two baffles 272 , which are symmetrically distributed about the strip plate 271 . The strip plate 271 and the connecting plate 25 are arranged in parallel. The design of the baffles 272 and the strip plate 271 is conducive to promoting the rotation of the car seat backrest.

[0057] In some embodiments, as Figure 4 As shown, a protrusion adapted to the transverse slide rail 23 is processed on the connecting plate 25 , and the protrusion is used to constrain the moving direction of the connecting plate 25 .

[0058] The protrusion of the connecting plate 25 is matched with the limiting groove of the transverse slide rail 23 , so that the connecting plate 25 can only move transversely in the transverse slide rail 23 .

[0059] The working principle of this application is described below with a preferred embodiment:

[0060] Install the car seat on the base 351, install the screw 353 along the periphery of the car base, adjust the position of the screw 353 in the threaded sleeve 352, and then the screw 353 drives the pressure plate 354 to fix the position of the car base 351, then move the connecting plate 25 in the horizontal slide rail 23, and the connecting plate 25 drives the load sensor body 26 to move. When the load sensor body 26 is located just above the backrest of the car seat, adjust the clamp 241 on the outer wall of the vertical slide rail 21, and the clamp 241 drives the horizontal slide rail 23 to move downward until the top of the backrest of the car seat is located between the connecting plate 25 and the strip plate 271, and use the positioning pin 242 to fix the clamp. The hoop 241 is in the position on the vertical slide rail 21, and the motor 282 is started at this time. The output shaft of the motor 282 drives the rotating shaft 283 to rotate in the mounting shell 281 through the coupling, and the rotating shaft 283 drives the rotating disk 1 to rotate, and then the strip plate 271 and the baffle bar 272 cooperate with the connecting plate 25 to drive the backrest of the car seat to rotate. The load sensor body 26 is used to monitor the backrest of the car seat in motion in real time. According to the height of the backrest, the transmission shaft 32 is rotated, and the transmission shaft 32 drives the slider 33 to move. At the same time, the slider 33 drives the mounting shell 281 to move up and down along the outer wall of the guide rod 34 to adjust the use height of the rotating disk 1.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vehicle seat backrest restoring torque testing device, comprising a rotating disk (1), characterized in that: A test assembly (2) is mounted on the rotating disk (1), and the test assembly (2) is used to collect force values ​​of the car seat in a rotating state; The test assembly (2) comprises a vertical slide rail (21), a connecting member (22), a transverse slide rail (23), a locking member (24), a connecting plate (25), a load cell body (26), a pushing member (27) and a driving member (28); The vertical slide rail (21) is connected to the rotating disk (1) via the connecting member (22), the transverse slide rail (23) is connected to the vertical slide rail (21) via the locking member (24), the connecting plate (25) is inserted into the limiting groove of the transverse slide rail (23), one end of the load sensor body (26) is connected to the connecting plate (25), and the other end of the load sensor body (26) is connected to the pushing member (27), the pushing member (27) is used to push the car backrest to deflect, and the driving member (28) is used to drive the rotating disk (1) to rotate.

2. The vehicle seat backrest restoring torque testing device according to claim 1, characterized in that: The driving member (28) includes a mounting shell (281), a motor (282) and a rotating shaft (283); The rotating shaft (283) is fixedly connected to the center hole of the rotating disk (1), the output end of the motor (282) is connected to an end of the rotating shaft (283) away from the rotating disk (1), and the motor (282) is fixedly connected in the cavity of the mounting shell (281).

3. The vehicle seat backrest restoring torque testing device according to claim 2, characterized in that: An adjustment component (3) is installed on the outer wall of the installation shell (281), and the adjustment component (3) is used to adjust the use height of the installation shell (281); The adjustment assembly (3) comprises a carrier (31), a transmission shaft (32), a slider (33), a guide rod (34) and a fixing member (35); The outer periphery of the slider (33) is fixedly connected to the mounting shell (281), the transmission shaft (32) and the slider (33) are internally threadedly connected, the support frame (31) is rotatably connected to the support frame (31) via a bearing, the guide rod (34) is inserted into the through hole of the mounting shell (281), the upper and lower ends of the guide rod (34) are connected to the support frame (31), and the fixing member (35) is used to fix the test position of the car seat.

4. The vehicle seat backrest restoring torque testing device according to claim 3, characterized in that: The fixing member (35) includes a base (351), a threaded sleeve (352), a screw rod (353) and a pressing plate (354); The base (351) is fixedly connected to the bottom end of the carrier (31), the threaded sleeve (352) is fixedly connected to the limiting hole of the base (351), the screw rod (353) is connected to the internal thread of the threaded sleeve (352), and the pressure plate (354) is connected to the screw rod (353) through a bearing.

5. The vehicle seat backrest restoring torque testing device according to claim 4, characterized in that: The threaded sleeves (352) are evenly distributed along the base (351), and the threaded sleeves (352) are used to install the screw rod (353) at different positions.

6. The vehicle seat backrest restoring torque testing device according to claim 1, characterized in that: The connecting member (22) includes a baffle (221) and a limiting pin (222); The baffle (221) is installed on a side of the vertical slide rail (21) away from the rotating disk (1), and the baffle (221) is connected to the rotating disk (1) via the limiting pin (222).

7. The vehicle seat backrest restoring torque testing device according to claim 1, characterized in that: The locking member (24) includes a clamp (241) and a positioning pin (242); The clamp (241) is fixedly connected to the transverse slide rail (23), the clamp (241) is plugged into the outer periphery of the vertical slide rail (21), and the clamp (241) is connected to the vertical slide rail (21) via the positioning pin (242).

8. The vehicle seat backrest restoring torque testing device according to claim 1, characterized in that: Bolts (251) are provided on the connecting plate (25), and the connecting plate (25) is connected to the transverse slide rail (23) via the bolts (251).

9. The vehicle seat backrest restoring torque testing device according to claim 1, characterized in that: The pushing member (27) includes a strip plate (271) and a blocking rod (272); The strip plate (271) is fixedly connected to a side of the load sensor body (26) away from the connecting plate (25), and the top end of the blocking rod (272) is fixedly connected to the strip plate (271).

10. The vehicle seat backrest restoring torque testing device according to claim 1, characterized in that: The connecting plate (25) is provided with a protrusion adapted to the transverse slide rail (23), and the protrusion is used to constrain the moving direction of the connecting plate (25).

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