Impact test device for thermal management system of automobile seat
By designing an impact testing device for automotive seat thermal management systems that integrates seat and backrest impact functions, the problem of requiring two devices for seat and backrest impact testing in existing technologies has been solved, improving testing efficiency and reducing floor space while ensuring personnel safety.
Patent Information
- Application Number
- CN202520521538.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-24
AI Technical Summary
In the existing technology, the impact test of the seat and backrest of the automotive seat thermal management system requires two separate devices, which is complicated to operate and inefficient.
An impact testing device for an automotive seat thermal management system was designed. It uses components such as a guide seat, drive mechanism, arm beam, drop platform assembly, and swing frame. Through the reciprocating movement of the arm beam and the release of the weight, it can perform individual or integrated impact tests on the seat and backrest, reducing the number of devices required.
It improves the efficiency of impact testing, reduces the floor space required, and ensures personnel safety.
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Figure CN223897008U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle equipment technical field especially is related to a car seat thermal management system impact test device. BACKGROUND
[0002] The car seat thermal management system is the intelligent system that realizes seat surface temperature regulation through initiative temperature control technology (heating ventilation technology, control technology, sensing technology etc.), and the system has become the important comfort configuration of high-end vehicle model. The car seat thermal management system is in the vehicle seat, and the reliability of the system will directly influence the feeling of consumer to vehicle product because of the impact of human body or other objects, therefore must carry out the reliability impact test before the product mass production.
[0003] The car seat includes a seat body and a backrest, and a standard weight is used to impact the seat body and the backrest respectively during the impact test, so as to detect whether the thermal management system in the car seat meets the requirements.
[0004] The applicant finds that the prior art at least has the following technical problems: there is no device for impact test of the car seat thermal management system in the industry, and the standard weight is used to impact the seat body and the backrest respectively in the prior art, two independent devices are needed, the operation mode is complex, and the detection efficiency is low. UTILITY MODEL CONTENT
[0005] The utility model discloses a car seat thermal management system impact test device to solve the technical problems that two devices are needed for seat body and backrest impact test in the prior art, and the test efficiency is low, and the preferred technical solutions in the many technical solutions provided by the utility model can produce many technical effects, which are described below.
[0006] To achieve the above object, the utility model provides the following technical scheme.
[0007] The car seat thermal management system impact test device provided by the utility model comprises a guide seat, a driving mechanism, an arm beam, a falling object platform assembly, a swing rack, a first weight and a second weight assembly, wherein:
[0008] The arm beam is movably arranged on the guide seat, the driving mechanism is in transmission connection with the arm beam, and is used for driving the arm beam to reciprocate in the vertical direction along the guide seat.
[0009] The falling platform assembly is fixed to one end of the arm beam, the falling platform assembly can support the first weight and release the first weight, the first weight is used to impact a first test part; the swing frame is fixed to the other end of the arm beam, the swing frame can fix or release the second weight assembly, the second weight assembly can swing and impact another test part after being released.
[0010] Preferably, the driving mechanism comprises a driving device, a lead screw and a sliding seat, wherein:
[0011] The driving device is fixed to the guide seat, the lead screw is rotationally connected to the guide seat, the lead screw is vertically arranged, the sliding seat is threadedly connected to the lead screw and slidingly connected to the guide seat, and the arm beam is fixed to the sliding seat.
[0012] Preferably, the guide seat comprises a base and a guide rod, wherein:
[0013] The guide rod is fixed to the base and vertically arranged, and the sliding seat is slidingly connected to the guide rod.
[0014] Preferably, a locking screw is threadedly connected to the sliding seat, the locking screw passes through the sliding seat and abuts against the guide rod, so as to lock the sliding seat.
[0015] Preferably, the falling platform assembly comprises a falling platform, a first bolt assembly and a front door, wherein:
[0016] The falling platform is fixed to the arm beam, the falling platform comprises side plates and a bottom baffle for supporting the first weight, one side of the bottom baffle is rotationally connected to the corresponding side plate through a rotating shaft;
[0017] The front door is fixed to the side plate, the first bolt assembly is arranged on the front door, the first bolt assembly comprises a first bolt body, the first bolt body extends into the falling platform to support the bottom baffle, so that the bottom baffle is in a horizontal state, and the first weight is supported on the bottom baffle;
[0018] The first bolt body is movably arranged under the action of an external force, when the first bolt body moves to a position away from the bottom baffle, the bottom baffle can rotate around the rotating shaft, so as to release the first weight.
[0019] Preferably, the first bolt assembly further comprises a nut part, a pull rod, an elastic member and a pull wire, wherein:
[0020] The nut part is fixed to the front door, the front door is provided with through holes penetrating through opposite sides thereof, the first bolt body passes through the through holes and is movably arranged in the through holes;
[0021] The pull rod is fixedly connected with the first bolt body, the pull rod passes through the nut part, and one end of the pull wire located outside the nut part is fixed to the pull rod; the elastic member is sleeved outside the pull rod, and two ends of the elastic member abut against the first bolt body and the inner wall of the nut part, respectively.
[0022] Preferably, the side plate comprises a flip plate, and the flip plate is rotationally connected with the front door.
[0023] The flip plate is provided with a limiting block groove, the side plate adjacent to the flip plate is provided with a block pin, and the block pin is rotationally arranged; when the flip plate and the remaining side plates surround the peripheral wall of the falling object table, the block pin fixes the flip plate, and the pull wire can be pulled under the action of an external force.
[0024] When the block pin rotates to a position away from the flip plate and the flip plate is flipped down, the pull rod is located in the limiting block groove.
[0025] Preferably, the limiting block groove comprises three connected block plates, one side of the limiting block groove is an open side, and when the flip plate and the remaining side plates surround the peripheral wall of the falling object table, the open side is arranged to face the pull rod.
[0026] Preferably, the swing frame has a triangular frame structure, and a first end corner of the swing frame is fixed to the arm beam.
[0027] The second weight assembly comprises a rigid rod and a swing ball, one end of the rigid rod is rotationally connected to the first end corner of the swing frame, the second end of the rigid rod is rotationally connected with the swing ball, and the swing ball and the lower end of the swing frame have a locked state and a separated state; when the swing ball is separated from the swing frame, the swing ball and the rigid rod swing synchronously.
[0028] Preferably, the swing frame is further provided with a second bolt assembly, the swing ball is provided with a hanging ring, the second bolt assembly comprises a second bolt body, the lower end of the swing frame is provided with a fixing groove, the second bolt body extends into the fixing groove and passes through the hanging ring to fix the swing ball; the second bolt body is movably arranged when pulled by an external force, so as to release the swing ball.
[0029] The automobile seat thermal management system impact test device has the advantages that the seat is installed on the guide seat, a test personnel drives the arm beam to reciprocate along the guide seat in the vertical direction through the driving mechanism, the test height required by the falling object platform assembly and the swing frame is adjusted, the first weight is released by the falling object platform assembly, the first weight impacts the seat body in free fall, the second weight assembly is released by the swing frame, and the second weight assembly swings and impacts the backrest after being released, the shortcomings that two devices are required in the impact test of the seat body and the backrest are made up, the floor area is reduced, the efficiency of the impact test is improved, and the safety of personnel is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0030] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0031] Figure 1 is a perspective structural schematic view of the automobile seat thermal management system impact test device;
[0032] Figure 2 is another view structural schematic view of the automobile seat thermal management system impact test device;
[0033] Figure 3 is Figure 2 the local enlarged view of A in the figure;
[0034] Figure 4 is Figure 2 the local enlarged view of B in the figure;
[0035] Figure 5 is a state schematic view of the bottom baffle in the falling object platform assembly;
[0036] Figure 6 is a structural schematic view of the first bolt assembly.
[0037] 1, guide seat; 101, guide rod; 102, base; 103, opening door; 21, driving device; 22, lead screw; 23, sliding seat; 3, arm beam; 4, falling object platform assembly; 41, first bolt assembly; 411, first bolt body; 412, nut part; 413, pull rod; 414, elastic piece; 415, pull wire; 42, front door; 43, side plate; 431, turning plate; 44, bottom baffle; 45, blocking pin; 46, limiting blocking groove; 461, baffle; 462, open side; 5, swing frame; 51, fixed groove; 6, first weight; 7, swing ball; 71, hanging ring; 8, rigid rod; 9, locking screw; 10, second bolt assembly. Detailed Implementation
[0038] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0039] In the description of this utility model, it should be understood that the terms "center," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and "side," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0040] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0041] This utility model provides an impact testing device for an automotive seat thermal management system, which overcomes the disadvantage of requiring two separate devices for impact testing of the seat and backrest, reduces the floor space, improves the efficiency of impact testing, and ensures personnel safety.
[0042] The following is combined with Figures 1-6 The technical solution provided by this utility model will be described in more detail.
[0043] The impact testing device for the automotive seat thermal management system provided by this utility model includes a guide seat 1, a drive mechanism, an arm beam 3, a drop platform assembly 4, a swing frame 5, a first weight 6, and a second weight assembly. The arm beam 3 is movably mounted on the guide seat 1. The drive mechanism is connected to the arm beam 3 and drives the arm beam 3 to reciprocate vertically along the guide seat 1. The drop platform assembly 4 is fixed to one end of the arm beam 3, and can support and release the first weight 6, which impacts the first test part. The swing frame 5 is fixed to the other end of the arm beam 3, and can fix or release the second weight assembly. After being released, the second weight assembly swings and impacts another test part.
[0044] In this embodiment, the first part to be tested is the seat body of the car seat, and the other part to be tested is the backrest of the car seat. After the first weight 6 is released, it falls freely and impacts the seat body, while the second weight assembly impacts the backrest through an arc-shaped swing.
[0045] The drop platform assembly 4 is connected to the slide 23, which can realize the impact of 6kg and 12kg objects on the seat body and backrest. The swing frame 5 connected to the other end of the arm beam 3 can realize the impact of the swing ball 7 on the seat backrest by releasing the ball. This device integrates the vertical impact and lateral impact functions of the seat.
[0046] The automotive seat thermal management system impact testing device of this embodiment installs the seat on the guide seat 1. The tester drives the arm beam 3 to move back and forth along the guide seat 1 in the vertical direction through the drive mechanism, and adjusts the required test height of the drop platform assembly 4 and the swing frame 5. The drop platform assembly 4 releases the first weight 6, which falls freely and impacts the seat. The swing frame 5 releases the second weight assembly, which swings and impacts the backrest after being released. This device overcomes the disadvantage of requiring two devices for the seat and backrest impact test, reduces the floor space, improves the efficiency of the impact test, and ensures personnel safety.
[0047] As an optional implementation, see Figure 1 and Figure 2 As shown, the drive mechanism includes a drive unit 21, a lead screw 22, and a slide 23. The drive unit 21 is fixed to the guide seat 1. The lead screw 22 is rotatably connected to the guide seat 1 and is vertically arranged. The slide 23 is threadedly connected to the lead screw 22 and slidably connected to the guide seat 1. The arm beam 3 is fixed to the slide 23. (See also...) Figure 1 The guide seat 1 includes a base 102 and a guide rod 101, wherein the guide rod 101 is fixed on the base 102 and is vertically arranged, and the slide 23 is slidably connected to the guide rod 101.
[0048] The drive device 21 can be a motor. The drive device 21 drives the lead screw 22 to rotate, and the slide 23 slides along the guide rod 101, thereby adjusting the required test height of the drop stage assembly 4 and the pendulum frame 5, which improves the test efficiency.
[0049] The slide block 23 moves up and down along the guide rod 101 via a lead screw, saving labor intensity and improving work efficiency. The arm beam 3 has a vertical movement range of 1448mm and is equipped with various weights to meet the impact requirements of different types of car seats and various impact conditions.
[0050] See Figure 1 The base 102 is made of steel plate, 10mm thick, with 10mm screw holes (or other sizes) pre-drilled on the surface for easy seat fixing. The base 102 is equipped with an opening door 103, which can be opened to maintain the electrical components such as the drive device 21 inside the base 102.
[0051] As an optional implementation, see Figure 1 As shown, a locking screw 9 is threaded onto the slide 23. The locking screw 9 passes through the slide 23 and abuts against the guide rod 101, thereby locking the slide 23. The locking screw 9 locks the slide 23, thereby fixing the position of the arm beam 3 and improving the stability of the structure.
[0052] As an optional implementation, see Figure 2 , Figure 3 and Figure 4 , Figure 6 As shown, the drop platform assembly 4 includes a drop platform, a first latch assembly 41, and a front door 42. The drop platform is fixed to the arm beam 3 and includes a side plate 43 and a bottom baffle 44 for supporting the first weight 6. One side of the bottom baffle 44 is rotatably connected to the corresponding side plate 43 via a pivot. The front door 42 is fixed to the side plate 43. The first latch assembly 41 is disposed on the front door 42. The first latch assembly 41 includes a first latch body 411, which extends into the drop platform to support the bottom baffle 44, thereby making the bottom baffle 44 horizontal. The first weight 6 is supported on the bottom baffle 44. The first latch body 411 is movable when pulled by an external force. When the first latch body 411 moves to a position where it is disengaged from the bottom baffle 44, the bottom baffle 44 can rotate around the pivot, thereby releasing the first weight 6.
[0053] See Figure 4 As shown, Figure 4 The first pin body 411 disengages from the bottom baffle 44, and the bottom baffle 44 rotates down to open the bottom of the drop platform. The first weight 6, which was originally placed in the drop platform, undergoes free fall and impacts the base.
[0054] As an optional implementation, see Figure 3 andFigure 6 As shown, the first pin assembly 41 in this embodiment further includes a nut portion 412, a pull rod 413, an elastic element 414, and a pull wire 415, wherein: the nut portion 412 is fixed to the front door 42, and the front door 42 is provided with through holes penetrating its opposite sides, the first pin body 411 is provided to pass through the through holes and be movable within the through holes; the pull rod 413 is fixedly connected to the first pin body 411, the pull rod 413 passes through the nut portion 412, and the pull wire 415 is fixed to one end of the pull rod 413 located outside the nut portion 412; the elastic element 414 is sleeved on the outside of the pull rod 413, and the two ends of the elastic element 414 abut against the inner walls of the first pin body 411 and the nut portion 412, respectively.
[0055] In the above structure, when the operator pulls the pull line 415 from a safe distance, the pull rod 413 pulls the first pin body 411. The first pin body 411 disengages from the bottom baffle 44 and no longer supports the bottom baffle 44. The bottom baffle 44 rotates and flips down, causing the first weight 6, originally placed in the drop platform, to fall freely and impact the base. After the test, the operator can flip up the bottom baffle 44. After the operator releases the pull line 415, the first pin body 411, under the action of the elastic element 414, re-inserts into the drop platform and can once again support the bottom baffle 44.
[0056] As an optional implementation, see Figure 3 and Figure 4 As shown, the side panel 43 includes a flip plate 431, which is rotatably connected to the front door 42. A limit groove is provided on the flip plate 431, and a stop pin 45 is provided on the side panel 43 adjacent to the flip plate 431. The stop pin 45 is rotatably configured. When the flip plate 431 and the other side panels 43 form the perimeter wall of the drop platform, the stop pin 45 fixes the flip plate 431, and the pull line 415 can be pulled under the action of external force. When the stop pin 45 rotates to the position of disengaging from the flip plate 431, and the flip plate 431 flips down, the pull rod 413 is located in the limit groove.
[0057] See Figure 3 and Figure 4 As shown, the limiting groove 46 includes three connected baffles 461. One side of the limiting groove 46 is an open side 462. When the flipping plate 431 and the other side plates 43 surround the perimeter of the dropping platform, the open side 462 is set towards the pull rod 413.
[0058] See Figure 3 and Figure 4As shown in the diagram, when the flipping plate 431 and the other side plates 43 form the perimeter of the dropping platform, the stop pin 45 fixes the flipping plate 431, and the pull line 415 can be pulled under external force to ensure the smooth drop of the first weight 6. When the pull line does not need to be pulled, the stop pin 45 is moved, and the stop pin 45 no longer fixes the flipping plate 431. At this time, the flipping plate 431 flips down, and the pull rod 413 is hidden in the limiting groove. Due to the obstruction of the baffle, the pull line 415 and the pull rod 413 cannot be pulled at this time, which improves safety.
[0059] As an optional implementation, see Figure 1 As shown, the pendulum frame 5 has a triangular frame structure, and the first corner of the pendulum frame 5 is fixed to the arm beam 3; the second weight assembly includes a rigid rod 8 and a pendulum ball 7. One end of the rigid rod 8 is rotatably connected to the first corner of the pendulum frame 5, and the second end of the rigid rod 8 is rotatably connected to the pendulum ball 7. The pendulum ball 7 and the lower end of the pendulum frame 5 have a locked state and a disengaged state. When the pendulum ball 7 disengages from the pendulum frame 5, the pendulum ball 7 and the rigid rod 8 swing down synchronously.
[0060] The triangular frame structure of the pendulum 5 mechanism makes it more stable. The rigid rod 8 structure allows the pendulum ball 7 to swing and strike the backrest.
[0061] When the pendulum ball 7 is fixed to the end of the pendulum frame 5, the angle between the line connecting the center of the pendulum ball 7 and the bottom of the pendulum rod and the vertical direction is 60°, which ensures the stability of the impact angle.
[0062] As an optional implementation, see Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, the pendulum frame 5 in this embodiment is also provided with a second pin assembly 10, and the pendulum ball 7 is provided with a hanging ring 71. The second pin assembly 10 includes a second pin body. The lower end of the pendulum frame 5 is provided with a fixing groove 51. The second pin body extends into the fixing groove 51 and passes through the hanging ring 71 to fix the pendulum ball 7. The second pin body is movable when pulled by an external force, thereby releasing the pendulum ball 7.
[0063] The second pin assembly 10 has the same structure as the first pin assembly 41, and will not be described in detail here. Please refer to [link to relevant documentation]. Figure 6 The structure shown.
[0064] Pulling the second pin body causes it to disengage from the hanging ring 71, causing the pull rod 413 and the pendulum ball 7 to swing and impact the back of the machine seat, thus conducting an impact test.
[0065] This embodiment has safety protection measures. A 3-meter (or other length) pull wire 415 is connected to the first pin assembly 41 and the second pin assembly 10 to form a locking structure. After confirming safety, the impact test can be completed using a remote release device to ensure the personal safety of the test personnel.
[0066] The specific operating procedure of the automotive seat thermal management system impact testing device in this embodiment is as follows:
[0067] 1. Install the seat on the base 102. The tester uses the control button of the electrical component in the lifting system to make the drop platform assembly 4 move up and down along the lead screw, so as to quickly adjust the height of the test device and adjust the drop platform assembly to the required test height.
[0068] 2. Impact test of thermal management system in seat body: by locking the first pin body 411 and the stop pin on the drop platform assembly 4, the first weight 6 or cylindrical object is placed on the drop platform assembly 4, and the first pin body 411 is pulled by the pull line 415, the bottom baffle 44 is opened, and the first weight 6 is released.
[0069] 3. Impact test of the thermal management system in the backrest: Fix the pendulum ball 7 to the pendulum frame 5 and lock it with the second pin assembly 10. Pull the second pin body to release the pendulum ball 7 and the rigid rod 8 and impact the designated position of the backrest.
[0070] The specific features, structures, or characteristics described in this specification may be combined in any suitable manner in one or more embodiments or examples.
[0071] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions 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 one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0072] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. An impact testing device for an automotive seat thermal management system, characterized in that, Includes a guide seat, drive mechanism, arm beam, drop platform assembly, swing frame, first weight block, and second weight block assembly, wherein: The arm beam is movably mounted on the guide seat, and the drive mechanism is connected to the arm beam for driving the arm beam to reciprocate along the guide seat in the vertical direction. The drop platform assembly is fixed to one end of the arm beam. The drop platform assembly can support the first weight and release the first weight. The first weight is used to impact the first test part. The pendulum frame is fixed to the other end of the arm beam. The pendulum frame can fix or release the second weight assembly. After the second weight assembly is released, it can swing and impact another test part.
2. The impact testing apparatus for automotive seat thermal management systems according to claim 1, characterized in that, The drive mechanism includes a drive unit, a lead screw, and a slide, wherein: The driving device is fixed on the guide seat, the lead screw is rotatably connected to the guide seat, the lead screw is vertically arranged, the slide is threadedly connected to the lead screw and slidably connected to the guide seat, and the arm beam is fixed on the slide.
3. The impact testing device for the automotive seat thermal management system according to claim 2, characterized in that, The guide seat includes a base and a guide rod, wherein: The guide rod is fixed to the base and is vertically arranged, and the slide is slidably connected to the guide rod.
4. The impact testing apparatus for automotive seat thermal management systems according to claim 3, characterized in that, A locking screw is threaded onto the slide block, and the locking screw passes through the slide block and abuts against the guide rod, thereby locking the slide block.
5. The impact testing apparatus for automotive seat thermal management systems according to claim 1, characterized in that, The drop platform assembly includes a drop platform, a first latch assembly, and a front door, wherein: The dropping platform is fixed to the arm beam. The dropping platform includes a side plate and a bottom baffle for supporting the first weight. One side of the bottom baffle is rotatably connected to the corresponding side plate via a pivot. The front door is fixed to the side panel, and the first latch assembly is disposed on the front door. The first latch assembly includes a first latch body, which extends into the drop platform to support the bottom baffle, thereby making the bottom baffle horizontal. The first weight is supported on the bottom baffle. The first pin body is movable when pulled by an external force. When the first pin body moves to a position where it is disengaged from the bottom baffle, the bottom baffle can rotate around the pivot, thereby releasing the first weight.
6. The impact testing apparatus for automotive seat thermal management systems according to claim 5, characterized in that, The first pin assembly further includes a nut, a pull rod, an elastic element, and a pull wire, wherein: The nut is fixed to the front door, and the front door is provided with through holes that penetrate its opposite sides. The first pin body passes through the through holes and is movable within the through holes. The pull rod is fixedly connected to the first pin body, the pull rod passes through the nut part, and the pull wire is fixed to one end of the pull rod located outside the nut part; the elastic element is sleeved on the outside of the pull rod, and the two ends of the elastic element abut against the inner walls of the first pin body and the nut part, respectively.
7. The impact testing apparatus for automotive seat thermal management systems according to claim 6, characterized in that, The side panel includes a flip-up panel, which is rotatably connected to the front door; The flipping plate is provided with a limit stop groove, and the side plate adjacent to the flipping plate is provided with a stop pin, which is rotatable; when the flipping plate and the other side plates surround the perimeter of the dropping platform, the stop pin fixes the flipping plate, and the pull line can be pulled under the action of external force. When the stop pin rotates to a position where it is disengaged from the flip plate, and the flip plate flips down, the pull rod is located within the limiting stop groove.
8. The impact testing apparatus for automotive seat thermal management systems according to claim 7, characterized in that, The limiting groove includes three connected baffles. One side of the limiting groove is an open side. When the flipping plate and the other side plates surround the perimeter of the dropping platform, the open side faces the pull rod.
9. The impact testing apparatus for automotive seat thermal management systems according to claim 1, characterized in that, The swing frame has a triangular frame structure, and the first corner of the swing frame is fixed to the arm beam; The second weight assembly includes a rigid rod and a pendulum ball. One end of the rigid rod is rotatably connected to the first corner of the pendulum frame, and the second end of the rigid rod is rotatably connected to the pendulum ball. The pendulum ball has a locked state and a disengaged state with the lower end of the pendulum frame. When the pendulum ball disengages from the pendulum frame, the pendulum ball and the rigid rod swing down synchronously.
10. The impact testing apparatus for the automotive seat thermal management system according to claim 9, characterized in that, The pendulum frame is also provided with a second pin assembly, and the pendulum ball is provided with a hanging ring. The second pin assembly includes a second pin body. The lower end of the pendulum frame is provided with a fixing groove. The second pin body extends into the fixing groove and passes through the hanging ring to fix the pendulum ball. The second pin body is designed to be movable when pulled by an external force, thereby releasing the pendulum ball.