A general-purpose seat safety testing fixture

By adding a luggage simulation placement device to the test installation workbench, the problem that existing technologies cannot simulate the impact of luggage on seats is solved, and a more comprehensive crash test effect is achieved.

CN224435784UActive Publication Date: 2026-06-30SITECH DONGCHANG AUTOMOTIVE SEATING TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SITECH DONGCHANG AUTOMOTIVE SEATING TECH
Filing Date
2025-07-29
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing test installation workbench does not have a luggage compartment simulation placement position, which makes it impossible to effectively simulate the impact test of the luggage compartment in the trunk on the seat during a car collision.

Method used

A universal seat safety testing fixture was designed, including a test installation workbench, a foot pedal simulation device, a seat installation fixture, a B-pillar simulation device, and a luggage compartment simulation device. The luggage compartment simulation device can be detachably installed on the workbench and can simulate different inclinations and heights through fixed telescopic rods and movable telescopic rods.

Benefits of technology

Simulation experiments were conducted on suitcases at different tilts and heights to simulate the impact of the suitcases on the seats, thus enhancing the comprehensiveness and accuracy of the crash tests.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a universal seat safety testing fixture. The universal seat safety testing fixture includes a test installation workbench and a luggage simulation placement device. The luggage simulation placement device, seat installation fixture, and foot pedal simulation device are arranged sequentially from back to front. The B-pillar simulation device is detachably installed on the left or right side of the area between the luggage simulation placement device and the seat installation fixture. The luggage simulation placement device includes a vertically arranged placement platform and a base plate. Two horizontally arranged fixed telescopic rods are installed on the base plate, with the tops of the fixed telescopic rods hinged to the rear side of the placement platform. A movable telescopic rod is slidably connected to the base plate in a front-back direction, with the bottom of the movable telescopic rod connected to the base plate via a locking mechanism, and the top of the movable telescopic rod hinged to the front side of the placement platform. This allows for simulation experiments of luggage impacting the seat under the action of an acceleration trolley at different tilts and heights.
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Description

Technical Field

[0001] This utility model relates to the field of automotive technology, specifically to a safety testing fixture. Background Technology

[0002] To simulate the crash test environment of a whole vehicle, a test bench is generally required, and the test is conducted on an acceleration sled.

[0003] Chinese patent application number CN201310605875.X discloses a whiplash injury prevention testing device, including a test installation workbench and a foot pedal simulation device, a seat installation fixture, and a B-pillar simulation device installed on it.

[0004] However, the aforementioned test installation workbench did not have a simulated placement position for the trunk, which is not conducive to conducting tests on the impact of the trunk on the seats during a car collision. Utility Model Content

[0005] In view of the problems existing in the prior art, this utility model provides a universal seat safety testing fixture to solve at least one of the above technical problems.

[0006] To achieve the above objectives, this utility model provides a universal seat safety testing fixture, including a test installation workbench and a foot pedal simulation device, a seat installation fixture, and a B-pillar simulation device installed on the test installation workbench. The feature is that it also includes a luggage simulation placement device, which is detachably installed on the test installation workbench.

[0007] The luggage simulation placement device, the seat installation fixture, and the foot pedal simulation device are arranged in sequence from back to front;

[0008] Furthermore, the B-pillar simulation device can be detachably installed on the left or right side of the area between the luggage compartment simulation placement device and the seat installation fixture;

[0009] The suitcase simulation placement device includes a placement platform and a base plate arranged vertically. Two fixed telescopic rods are installed on the base plate, and the top of the fixed telescopic rods is hinged to the rear side of the placement platform.

[0010] A movable telescopic rod is slidably connected to the base plate in the front-back direction, and the bottom of the movable telescopic rod is connected to the base plate through a locking mechanism, while the top of the movable telescopic rod is hinged to the front side of the placement platform.

[0011] This utility model adds a luggage simulation placement device, which facilitates the simulation experiment of luggage impacting the seat under the action of an acceleration trolley when the luggage is placed at different tilts and heights.

[0012] More preferably, the test installation workbench has mounting holes arranged in a matrix;

[0013] The base plate is connected to the test installation workbench via a locking element passing through the mounting hole.

[0014] More preferably, the base plate has a sliding groove for slidingly connecting the movable telescopic rod, and the bottom of the sliding groove has a guide groove whose length direction is the front-to-back direction;

[0015] The bottom of the movable telescopic rod has a round hole;

[0016] The movable telescopic rod is connected to the base plate via a locking element that passes through the circular hole and the guide groove.

[0017] More preferably, both the fixed telescopic rod and the movable telescopic rod include an upper sliding rod and a lower sliding rod arranged vertically.

[0018] The upper end and front end of the sliding rod are open, and the sliding rod has two locking holes arranged vertically.

[0019] The upper sliding rod is internally slidably connected to the lower sliding rod;

[0020] The upper slide rod has an opening at its front end and a longitudinally arranged strip-shaped opening on its upper slide rod.

[0021] The upper slide bar and the lower slide bar are connected by a locking member passing through the locking hole and the strip-shaped opening.

[0022] More preferably, the foot pedal simulation device includes a first base plate, a flat plate, and an inclined pedal, wherein the flat plate is mounted on the first base plate, and the flat plate and the inclined pedal are hinged together by a hinge.

[0023] The front end of the inclined pedal is hinged to the top of two support rods that are mirror-symmetrically arranged on the left and right sides.

[0024] The bottoms of the two support rods pass through the same slide bar;

[0025] The first substrate is equipped with guide rails arranged in a mirror-symmetrical manner on the left and right sides, and the guide rails are provided with guide holes for the slide rod to pass through;

[0026] The slide rod is threaded with a locking nut that abuts against the guide rail.

[0027] This allows for the adjustment of the angle of the inclined pedal.

[0028] More preferably, the two ends of the slide rod are threadedly connected to the locking nuts that abut against the far side of the two guide rails.

[0029] More preferably, the seat mounting fixture includes a second base plate on which four mounting seats for mounting the seat are mounted;

[0030] The second substrate has a rectangular hole, and four mounting bases are respectively arranged adjacent to the four corners of the rectangular hole;

[0031] An L-shaped limiting baffle is detachably connected to the second substrate, and the L-shaped limiting baffle is located on at least one side of the rectangular hole, on the left and right sides.

[0032] The wire limiting device is conveniently located at the L-shaped limiting baffle.

[0033] More preferably, the mounting base has an operating cavity, and the operating cavity opens on the side away from the rectangular hole;

[0034] The top of the mounting base has a mounting hole for engaging the operating cavity.

[0035] It facilitates seat assembly via the mounting holes. The operating cavity provides space for the installation of locking components.

[0036] More preferably, the B-pillar simulation device includes a vertically arranged perforated plate, the thickness direction of the perforated plate is the left-right direction, and the perforated plate has mounting holes arranged in a matrix.

[0037] The perforated plate is detachably connected from top to bottom to an upper mounting component for installing a seat belt height adjuster, a guide component for guiding the seat belt, and a lower mounting component for installing a seat belt retractor.

[0038] It facilitates the adjustment of the vertical and horizontal positions of the upper mounting bracket, guide components, and lower mounting components, as well as their front-to-back positions.

[0039] More preferably, the guide component includes a horizontally arranged guide plate, and the guide plate has a strip-shaped guide hole that runs vertically through it;

[0040] The guide plate has an inlet for connecting to the strip-shaped guide hole;

[0041] A limiting gap is provided near the inlet side of the strip-shaped guide hole, and the width of the limiting gap in the left-right direction is smaller than the width of the strip-shaped guide hole in the left-right direction.

[0042] Compared with the prior art, the beneficial effects of this utility model are:

[0043] This device provides the basic environment for crash testing. It can perform frontal impact tests with dummies, rearal impact tests with dummies, air-to-ground impact tests, and luggage impact tests.

[0044] This utility model, by adding a luggage simulation placement device, facilitates the simulation experiment of luggage with different tilt and height placement degrees impacting the seat under the action of an acceleration trolley. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of a specific embodiment 1 of the present utility model;

[0046] Figure 2 This is a structural schematic diagram from another perspective of a specific embodiment 1 of this utility model;

[0047] Figure 3 This is a schematic diagram of the foot pedal simulation device according to a specific embodiment 1 of the present invention;

[0048] Figure 4 This is a schematic diagram of a luggage simulation placement device according to a specific embodiment 1 of the present utility model;

[0049] Figure 5 This is a schematic diagram of a luggage simulation placement device according to a specific embodiment 1 of the present utility model;

[0050] Figure 6 This is a schematic diagram of a B-pillar simulation device according to a specific embodiment 1 of the present invention;

[0051] Figure 7 This is a schematic diagram of a seat installation fixture according to a specific embodiment 1 of this utility model.

[0052] In the diagram: 1 is the test installation workbench, 2 is the foot pedal simulation device, 3 is the seat installation fixture, 4 is the B-pillar simulation device, 5 is the luggage compartment simulation placement device, 21 is the first base plate, 22 is the flat plate, 23 is the inclined foot pedal, 24 is the support rod, 25 is the guide rail, 26 is the slide rod, 31 is the second base plate, 32 is the mounting base, 33 is the L-shaped limiting baffle, 41 is the perforated plate, 42 is the upper mounting component, 43 is the guide component, 44 is the lower mounting component, 51 is the placement platform, 52 is the base plate, 53 is the fixed telescopic rod, and 54 is the movable telescopic rod. Detailed Implementation

[0053] The present invention will be further described below with reference to the accompanying drawings.

[0054] See Figures 1 to 7A universal seat safety testing fixture includes a test installation workbench 1 and a foot pedal simulation device 2, a seat installation fixture 3, and a B-pillar simulation device 4 installed on the test installation workbench. It also includes a luggage simulation placement device 5, which is detachably installed on the test installation workbench 1. The luggage simulation placement device 5, the seat installation fixture 3, and the foot pedal simulation device 2 are arranged sequentially from back to front. The B-pillar simulation device 4 is detachably installed on the left or right side of the area between the luggage simulation placement device 5 and the seat installation fixture 3. The luggage simulation placement device 5 includes a vertically arranged placement platform 51 and a base plate 52. Two horizontally arranged fixed telescopic rods 53 are installed on the base plate 52, with the tops of the fixed telescopic rods 53 hinged to the rear side of the placement platform 51. A movable telescopic rod 54 is slidably connected to the base plate 52 in a front-back direction, with the bottom of the movable telescopic rod 54 connected to the base plate 52 via a locking mechanism, and the top of the movable telescopic rod 54 hinged to the front side of the placement platform 51. This utility model, by adding a luggage simulation placement device 5, facilitates the simulation experiment of luggage impacting the seat under the action of an accelerating trolley with different tilting degrees.

[0055] The test installation workbench 1 has matrix-arranged mounting holes; the base plate 52 is connected to the test installation workbench 1 through locking devices passing through the mounting holes. The foot pedal simulation device 2, the seat installation fixture 3, and the B-pillar simulation device 4 are connected to the test installation workbench 1 through locking devices passing through the mounting holes.

[0056] See Figure 4 as well as Figure 5 The base plate 52 has a sliding groove for the movable telescopic rod 54, and the bottom of the sliding groove has a guide groove in the longitudinal direction. The bottom of the movable telescopic rod 54 has a round hole. The movable telescopic rod 54 is connected to the base plate 52 through a locking member passing through the round hole and the guide groove. The locking member includes a threaded bolt and a nut. The guide groove includes an upper part for embedding a screw and a lower part for embedding a nut. Both the fixed telescopic rod 53 and the movable telescopic rod 54 include an upper sliding rod and a lower sliding rod arranged vertically. The upper end and front end of the lower sliding rod are open, and the lower sliding rod has two locking holes arranged vertically. The upper sliding rod is slidably connected inside the lower sliding rod. The front end of the upper sliding rod is open, and the upper sliding rod has a longitudinally arranged strip-shaped opening. The upper sliding rod and the lower sliding rod are connected by a locking member passing through the locking hole and the strip-shaped opening. The upper sliding rod and the lower sliding rod are square rod structures.

[0057] The bottom of the fixed telescopic rod has a round hole. The fixed telescopic rod is detachably connected to the base plate 52 by a locking device passing through the round hole.

[0058] See Figure 3The foot pedal simulation device 2 includes a first base plate 21, a flat plate 22, and an inclined pedal 23. The flat plate 22 is mounted on the first base plate 21, and the flat plate 22 is hinged to the inclined pedal 23. The front end of the inclined pedal 23 is hinged to the top of two left-right mirror-symmetrically arranged support rods 24. The bottoms of the two support rods 24 pass through the same slide rod 26. Left-right mirror-symmetrically arranged guide rails 25 are mounted on the first base plate 21, and guide holes are provided on the guide rails for the slide rods to pass through. Locking nuts are threaded onto the slide rods 26 to abut against the guide rails, thereby allowing adjustment of the angle of the inclined pedal 23. Locking nuts are threaded onto the two ends of the slide rods to abut against the opposite sides of the two guide rails. Mounting holes are provided on the first base plate 21 for passing through locking components and connecting to the test installation workbench 1. The tops of the two support rods pass through the same drive shaft, which serves as the pivot for the hinge between the support rods and the inclined pedal.

[0059] See Figure 7 The seat mounting fixture 3 includes a second base plate 31, on which four mounting seats 32 are mounted. The second base plate 31 has a rectangular hole, and the four mounting seats 32 are respectively positioned adjacent to the four corners of the rectangular hole. An L-shaped limiting baffle 33 is detachably connected to the second base plate 31, located on at least one side of the rectangular hole (left and right). This facilitates wire positioning at the L-shaped limiting baffle 33. The mounting seats 32 have an operating cavity, with an opening on the side away from the rectangular hole. The top of the mounting seat 32 has a mounting hole for engaging the operating cavity, facilitating seat assembly through the mounting hole. The operating cavity provides mounting space for the locking element. The lower end of the operating cavity is open. The mounting seats have forward and backward extending bosses with mounting holes for mounting onto the second base plate. The second base plate 31 has mounting holes for the locking element to pass through and connect to the test mounting workbench 1.

[0060] See Figure 6 The B-pillar simulation device 4 includes a vertically arranged perforated plate 41, the thickness of which is in the left-right direction. The perforated plate 41 has a matrix of mounting holes. From top to bottom, the perforated plate 41 is detachably connected to an upper mounting component 42 for installing a seatbelt height adjuster, a guide component 43 for guiding the seatbelt, and a lower mounting component 44 for installing a seatbelt retractor. This facilitates adjustment of the vertical and horizontal positions of the upper mounting frame, guide component 43, and lower mounting component 44, as well as their front-to-back positions. The bottom of the perforated plate 41 is fixed to a horizontally arranged support plate. The support plate has mounting holes for passing through locking components and connecting to the test installation workbench 1. The guide component includes a horizontally arranged guide plate with a vertically penetrating strip-shaped guide hole. An inlet for engaging the strip-shaped guide hole is provided on the guide plate. A limiting gap is provided near the inlet of the strip-shaped guide hole, the width of which in the left-right direction is smaller than the width of the strip-shaped guide hole in the left-right direction.

[0061] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

Claims

1. A general-purpose seat safety test tooling comprising a test mounting workbench and a footboard simulation device, a seat mounting tooling, a B-pillar simulation device mounted on the test mounting workbench, characterized by, It also includes a suitcase simulation placement device, which is detachably mounted on the test installation workbench; The luggage simulation placement device, the seat installation fixture, and the foot pedal simulation device are arranged in sequence from back to front; Furthermore, the B-pillar simulation device can be detachably installed on the left or right side of the area between the luggage compartment simulation placement device and the seat installation fixture; The suitcase simulation placement device includes a placement platform and a base plate arranged vertically. Two fixed telescopic rods are installed on the base plate, and the top of the fixed telescopic rods is hinged to the rear side of the placement platform. A movable telescopic rod is slidably connected to the base plate in the front-back direction, and the bottom of the movable telescopic rod is connected to the base plate through a locking mechanism, while the top of the movable telescopic rod is hinged to the front side of the placement platform.

2. The universal seat safety testing fixture according to claim 1, characterized in that: The base plate has a sliding groove for slidingly connecting the movable telescopic rod, and the bottom of the sliding groove has a guide groove whose length direction is in the front-to-back direction; The bottom of the movable telescopic rod has a round hole; The movable telescopic rod is connected to the base plate via a locking element that passes through the circular hole and the guide groove.

3. The universal seat safety testing fixture according to claim 1, characterized in that: Both the fixed telescopic rod and the movable telescopic rod include an upper sliding rod and a lower sliding rod arranged vertically. The upper end and front end of the sliding rod are open, and the sliding rod has two locking holes arranged vertically. The upper sliding rod is internally slidably connected to the lower sliding rod; The upper slide rod has an opening at its front end and a longitudinally arranged strip-shaped opening on its upper slide rod. The upper slide bar and the lower slide bar are connected by a locking member passing through the locking hole and the strip-shaped opening.

4. The universal seat safety testing fixture according to claim 1, characterized in that: The foot pedal simulation device includes a first base plate, a flat plate, and an inclined pedal. The flat plate is mounted on the first base plate, and the flat plate and the inclined pedal are hinged together by a hinge. The front end of the inclined pedal is hinged to the top of two support rods that are mirror-symmetrically arranged on the left and right sides. The bottoms of the two support rods pass through the same slide bar; The first substrate is equipped with guide rails arranged in a mirror-symmetrical manner on the left and right sides, and the guide rails are provided with guide holes for the slide rod to pass through; The slide rod is threaded with a locking nut that abuts against the guide rail.

5. The universal seat safety testing fixture according to claim 4, characterized in that: The sliding rod is threaded at both ends with locking nuts that abut against the far side of the two guide rails.

6. The universal seat safety testing fixture according to claim 1, characterized in that: The seat mounting fixture includes a second base plate on which four mounting seats for mounting seats are mounted. The second substrate has a rectangular hole, and four mounting bases are respectively arranged adjacent to the four corners of the rectangular hole; An L-shaped limiting baffle is detachably connected to the second substrate, and the L-shaped limiting baffle is located on at least one side of the rectangular hole, on the left and right sides.

7. A universal seat safety testing fixture according to claim 6, characterized in that: The mounting base has an operating cavity, which opens on the side away from the rectangular hole; The top of the mounting base has a mounting hole for engaging the operating cavity.

8. The universal seat safety testing fixture according to claim 1, characterized in that: The B-pillar simulation device includes a vertically arranged perforated plate with its thickness in the left-right direction and a matrix of mounting holes. The perforated plate is detachably connected from top to bottom to an upper mounting component for installing a seat belt height adjuster, a guide component for guiding the seat belt, and a lower mounting component for installing a seat belt retractor.

9. A universal seat safety testing fixture according to claim 8, characterized in that: The guide component includes a horizontally arranged guide plate, and the guide plate has a strip-shaped guide hole that runs vertically through it; The guide plate has an inlet for connecting to the strip-shaped guide hole; A limiting gap is provided near the inlet side of the strip-shaped guide hole, and the width of the limiting gap in the left-right direction is smaller than the width of the strip-shaped guide hole in the left-right direction.