Car Seat Sliding Durability Test Device أداة الاختبار –

Car seat sliding durability testing device.

The utility model concerns the field of automobile component testing machines, especially a car seat sliding durability testing device.

Basic Technology
People should adjust the driver\'s seat position before driving. In particular, people often need to adjust the fore and aft position of the seat so that the seat moves forward and backward on the slide to a comfortable position, which will provide effective assistance to the driver\'s safe driving. Therefore, the performance of the seat slide will directly affect the quality of the seat and the safety of driving. If there is a practical testing device to test the sliding performance of car seats, it will provide reliable guarantee to improve the sliding quality of car seats.
Chinese Patent Authorization Announcement Number: CN1841041A,authorization announcement date of October 4, 2006, discloses a durability test device for carrying out durability test operations on contact/separation parts. In the section, the first member and the second member are repeatedly contacted and separated from each other, and the durability testing device includes a contact load generator and a fluid supply device test medium. The contact load generator reciprocates between the second element and the first element to generate a contact load that acts repeatedly between the first element and the second element. The test medium fluid supply device supplies the test medium fluid to the contact/separation portion to expose the first member and the second member to the test medium fluid. The disadvantage is that it only has one function and cannot be used to test the resistance au slipping of car seats.

Contents of the utility model
The utility model proposes a car seat in order to overcome the disadvantages of existing technology that it has only one function and cannot not be used to test the sliding durability of the car seat. Sliding durability test device.

In order to achieve the above purpose, the utility model adopts the following technical solution:
A car seat sliding durability testing device, the test is respectively connected to the test seat and test Connected to a computer, the test device is located on a test platform, including a seat brace for tightening the car seat, an unlocking device for sliding the seat, a connector, a force sensor, a counter, a cylinder, a cylinder fixing frame and a displacement sensor. sensor on the cylinder; the unlocking deviceThe seat is connected to the seat, the seat is connected to the seat brace, the seat brace is connected to the connector, the connector is connected to one end of the force sensor, and the other end of the force sensor is connected to the cylinder The telescopic ends are connected, and the cylinder is fixed on the cylinder fixing frame; the displacement sensor is connected to the counter, the displacement sensor, the counter and the force sensor are respectively connected to the test computer via data lines, and the test computer is connected to the unlocking device and the cylinder .

The utility model is a test device that causes the car seat to slide through the test device, thereby testing the durability of the car seat sliding.
For seat plywoodTighten the seat and connect it with the connecting piece. The unlocking device is used to unlock the sliding lockof the seat so that the seat can slide forward and backward. The operation of the unlocking device is controlled by the test computer. The force sensor is used to test the pulling force and pushing force when the seat slides forward and backward, and transmits the test information to the test computer. The counter counts the number of times the seat slides forward and backward and transmits it to the test computer. The cylinder is used to provide the force needed to slide the seat. The cylinder holder is used to fix the cylinder. The displacement sensor is used to collect the displacement of the telescopic end of the cylinder and transmit it to the test computer. The test computer includes a storage unit storing test software. Test software is used to preset test parameters and calculate based on test data to determine whetherthe durability of seat sliding meets the requirements.
Fix the test device on the test platform and set the number of sliding tests and the force range of the force sensor in the test computer in advance.
First, the test computer sends an unlock command to the unlock device, and the unlock device unlocks the front and rear slide locks of the seat; then the cylinder starts to work, and the cylinder pushes and pulls the seat to slide it forward and backward; after sliding once, the slide lock closure.
The test computer sends an unlock command to the unlock device again, and the unlock device unlocks the front and rear slide locks of the seat; then the cylinder starts to work, and the cylinder pushes and pulls the seat to slide it forward and backwardthe rear; after sliding again, the slide lock closure.
Continuously repeat the above operation. If the pulling force and pushing force measured by the seat force sensor during the specified number of tests are within the specified range, the sliding durability of the seat meets the requirements.
Preferably, the seat brace includes a rectangular top plate and a bottom plate, with several spacing adjustment bolts provided between the top and bottom plates; the bottom plate has a sliding release and a connector for connecting multiple sets of bolt holes. The spacing adjustment bolt is used to adjust the spacing between the top and bottom plates to make it easier to tighten the seat. Multiple sets of bolt holes are used to connect the release device and the connector respectively.ctor to the plywood of the seat.
Preferably, the unlocking device comprises a connection plate and unlocking cylinder; the connection plate includes a horizontal connection plate and a vertical connection plate which is vertically connected to the horizontal connection plate; the cylinder is fixed on the vertical connection plate, and the cylinder The telescopic end is located in the lower part of the front and rear sliding adjustment lever of the seat. The unlocking device completes the unlocking operation by an upward movement of the telescopic end of the cylinder. When the telescopic end of the cylinder rises, the adjustment rod is pushed up and the sliding lock is unlocked. When the telescopic end of the cylinder goes down, the adjustment rod returns down under the action of the spring, and the sliding lock is locked.
Preferably, the unlocking device is connected to thea lower surface of the lower plate; the connector is connected to the upper surface of the bottom plate.
Preferably, the force sensor is a tension and pressure sensor, the connector is connected to the tension and pressure sensor by bolts, and the tension and pressure sensor is connected to the cylinder by several bolts. The location of the pull and pressure sensors is used to test the pull and push forces felt when the seat slides.
Preferably, the cylinder fixing bracket is a height-adjustable fixing bracket, comprising a height adjustment plate and the fixed base is L-shaped in cross section. The fixed base and the height adjustment plate have corresponding through slots for adjusting the height of the upper end of the height adjustment plate. The fixed base and the height adjustment plate are connected by bolts passing throughs the through slots. The height-adjustable fixed frame allows the test device to be used to test different seat models. Before testing, adjust the height of the fixed frame according to the seat model to ensure that the telescopic end of the cylinder can move horizontally.
Preferably, a horizontal plate is provided on the upper end of the height adjustment plate, and two raised triangular beams are provided on the horizontal plate. The cylinder is embedded between the beams and connected to the beams by bolts. The arrangement of this structure ensures a good connection between the cylinder and the cylinder holder.
As a preferred option, the displacement sensor is an electromagnetic displacement sensor located on the outer wall of the cylinder. The electromagnetic displacement sensor has the characteristics of fast response and high sensitivity.
As a preferred option, the sseat and the cylinder support are fixed to the platform by bolts.
Therefore, the utility model has the following beneficial effects: (1) simple structure and convenient operation; (2) high test accuracy; (3) good stability.

Detailed Embodiments
The utility model will be described in more detail below in conjunction with the specific drawings and embodiments.
The embodiment shown in Figure 1 and Figure 2 is a car seat sliding durability testing device. The test device is connected to the test seat and the test computer respectively. The test device is located on the test platform. , comprising a seat brace 1 for tightening a car seat, an unlocking device for sliding the seat, a connector 3, a force sensor 4, a counter, a cylinder 5, a cylinder fixing frame 6 and a displacement sensor located on the cylindre; the unlocking device connected to the seat, the seat 13 is connected to the seat brace, the seat brace is connected to the connector, the connector is connected to one end of the force sensor, the other end of the force sensor The effort is connected to the telescopic end of the cylinder, and the cylinder is fixed to the cylinder on the fixed frame; the displacement sensor is connected to the counter, the displacement sensor, the counter and the force sensor are respectively connected to the test computer via data lines, and the test computer is connected to the locking device and the cylinder. The seat brace includes a rectangular top plate and a bottom plate 7. There are 4 spacing adjustment bolts 8 between the top and bottom plates; the bottom plate has 2 sets of bolt holes for connecting to the release device and connector. The unlocking device includes a lia plateison 10 and an unlocking cylinder 9; the connection plate includes a horizontal connection plate and a vertical connection plate which is vertically connected to the horizontal connection plate; the cylinder is fixed on the vertical connection plate, and the telescopic end of the cylinder is located on the seat. Slide the lower part of the adjustment lever 14 back and forth. The unlocking device is connected to the lower surface of the bottom plate; the connector is connected to the upper surface of the bottom plate. The force sensor is a tension and pressure connector, and the connector is connected to the tension and pressure connector through bolts; tThe tension and pressure sensor is connected to the cylinder by four bolts. The cylinder fixing frame is a height-adjustable fixing frame, comprising a height adjustment plate 11 and a fixing base 12 having a cross section inL shape. The fixing base and the height adjustment plate are provided with corresponding passages for adjusting the height of the upper end of the height adjustment plate. Slots, brackets and height adjustmentThe plates are connected by bolts passing through the slots. There is a horizontal plate on the top of the height adjustment plate, and two raised triangular beams are provided on the horizontal plate. The cylinder is embedded between the beams and connected to the beams by bolts. The displacement sensor is an electromagnetic displacement sensor located on the outer wall of the cylinder. The fixed frame of the seat and the cylinder is fixed on the platform by means of bolts.

Connect the different devices, and set the number of cylinder movements to 100,000 times on the test software of the test computer in advance, and the force range of the force sensor should be between 4 N and 10 N.
All of aonboard, the test computer sends an unlock command to the unlocking device. The telescopic end of the unlocking device cylinder rises, the seat sliding adjustment rod is pushed up, and the seat sliding lock is unlocked.
Then the cylinder begins to work horizontally; the cylinder pushes and pulls the seat forward and backward; after a first sliding, the telescopic end of the cylinder of the unlocking device descends and the sliding lock closes. The cylinder expansion and contraction test is performed only once.
The test computer sends an unlock command to the unlocking device again. The telescopic end of the unlocking device cylinder rises, the seat sliding adjustment rod is pushed up, and the seat sliding lock is unlocked.
Then the cylinder starts to workhorizontally; the cylinder pushes and pulls the seat forward and backward; after a first sliding, the telescopic end of the cylinder of the unlocking device descends and the sliding lock closes. The second cylinder expansion and contraction test is completed.
Continuously repeat the above operation. If the pulling force and pushing force measured by the force sensor in the test range of 100,000 times are within the range of 4N to 10N, then the sliding durability of the seat is satisfactory. required, otherwise the test software will issue an alarm message.

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