Durability testing device for back-row headrest of automobile seat
By symmetrically distributing the prosthesis and action components on the simulation components, the problem of degradation in the stability of the simulation components is solved and more accurate test results are achieved.
Patent Information
- Application Number
- CN202422623776.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-30
AI Technical Summary
When existing test devices simulate usage scenarios, the stability of simulation components decreases, resulting in inaccurate test results.
By symmetrically distributing the prosthesis on the simulation component and symmetrically distributing the action components around the simulation component, the impact forces of the action components cancel each other out, improving the stability of the test action.
Improve the stability of the test actions and ensure the accuracy and reliability of the test results.
Smart Images
Figure CN223283889U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of testing devices, in particular to a durability testing device for rear headrests of automobile seats. Background Art
[0002] The headrest durability test is used to evaluate the durability and reliability of vehicle headrests over long-term use. During the test, a test device is typically used to simulate usage scenarios, subjecting the headrest to friction, compression, and other operations. This allows for repeated use scenarios to achieve the desired durability test.
[0003] In the prior art, the testing device usually fixes the headrest, and then tests the headrest by simulating the usage scenario through a simulation component. In order to better reproduce the usage scenario, the simulation component is usually provided with multiple degrees of freedom, resulting in a decrease in the overall stability of the simulation component. Ultimately, the long-term motion impact during the test causes the test action of the simulation component to be deformed, affecting the final test results. Utility Model Content
[0004] The purpose of the utility model is to provide a durability testing device for the rear headrests of automobile seats, which can offset the impact of the movements of the simulation components during the test through symmetrical action components, thereby improving the stability of the test action and ensuring the final test effect.
[0005] The utility model provides a durability testing device for rear headrests of automobile seats, comprising:
[0006] A simulation component, wherein at least two prostheses are symmetrically distributed on the simulation component;
[0007] An action component, the action component having a movable end, the movable end of the action component being fixedly mounted with a headrest;
[0008] The number of the action components is the same as the number of the prostheses, and the action components are symmetrically distributed around the simulation component. The active end of each action component faces a prosthesis, and the action components push the headrest toward the prosthesis.
[0009] Preferably, the prosthesis is axially symmetrically distributed on the simulation component, and the action component is axially symmetrically distributed around the simulation component.
[0010] Preferably, the headrest is also fixedly equipped with a backrest, and both the headrest and the backrest are fixedly connected to the action component.
[0011] Preferably, the prosthesis is a half-body prosthesis, the head of the prosthesis abuts against the headrest, and the torso of the prosthesis abuts against the backrest.
[0012] Preferably, the action assembly includes an upper push rod and a lower push rod, the movable end of the upper push rod is fixedly assembled with the headrest, and the movable end of the lower push rod is fixedly assembled with the backrest.
[0013] Preferably, the upper push rod and the lower push rod are both electric push rods, and each of the upper push rod and the lower push rod is independently controlled.
[0014] Preferably, the simulation component further comprises a rotating motor and a rotating shaft, wherein the rotating shaft is fixedly connected to the driving end of the rotating motor, and a connecting column is provided on the cylindrical surface of the rotating shaft for fixedly connecting to the prosthesis.
[0015] Preferably, the rotary motor performs reciprocating rotation.
[0016] Preferably, the vehicle seat rear headrest durability testing device further comprises a simulation chamber, wherein the headrest, simulation component and action component are all located in the simulation chamber, and the rotating motor is fixedly connected to the inner wall of the simulation chamber.
[0017] Preferably, a partition is provided in the simulation chamber to divide the simulation chamber into a plurality of independent spaces, and each headrest is located in an independent space.
[0018] The technical solution of the present invention is to symmetrically arrange the prosthesis on the simulation component, and the action components symmetrically distributed around the simulation component push the headrest toward the prosthesis. The impact forces of the simulation component from multiple action components offset each other, the test action of the action component is more stable, and the final test effect is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] 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.
[0020] Figure 1 This is an axonometric diagram of the durability testing device for rear headrests of automobile seats of the present invention;
[0021] Figure 2 for Figure 1 Assembly drawing of the simulation components in the durability test device for rear headrests of automobile seats;
[0022] Figure 3 for Figure 1 Assembly drawing of the actuating components in the durability test device for rear headrests of automobile seats;
[0023] Figure 4 for Figure 1Axonometric drawing of the axisymmetric distribution of the actuating components in the durability test device for rear headrests of automobile seats;
[0024] Figure 5 for Figure 1 Assembly axonometric drawing of the automotive seat rear headrest durability test device and simulation chamber.
[0025] Description of reference numerals:
[0026] 1. Simulation component; 11. Prosthesis; 12. Rotating motor; 13. Rotating shaft; 2. Action component; 21. Upper push rod; 22. Lower push rod; 3. Simulation room. DETAILED DESCRIPTION
[0027] 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.
[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions or positional relationships, are based on the directions 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0029] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "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", and "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 it can be 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.
[0030] Combine Figures 1 to 5As shown, the vehicle seat rear headrest durability testing device provided by the present invention includes a simulation component 1 and an action component 2.
[0031] Combine Figures 1 to 5 As shown, at least two prostheses 11 are symmetrically distributed on the simulation component 1; the action component 2 is provided with a movable end, and the movable end of the action component 2 is fixedly assembled with a headrest; the number of the action components 2 is the same as the number of the prostheses 11, and the action components 2 are symmetrically distributed around the simulation component 1, and the movable end of each of the action components 2 faces a prosthesis 11, and the action component 2 pushes the headrest toward the prosthesis 11.
[0032] In this embodiment, the prosthesis 11 is symmetrically arranged on the simulation component 1, and the action components 2 symmetrically distributed around the simulation component 1 push the headrest toward the prosthesis 11. The impact forces exerted on the simulation component 1 by multiple action components 2 offset each other, the test action of the action component 2 is more stable, and the final test effect is more accurate.
[0033] In some embodiments, combined Figure 1 As shown, the prostheses 11 on the simulation component 1 are axially symmetrically distributed, and the action component 2 is axially symmetrically distributed around the simulation component 1. The distribution of the prostheses 11 satisfies that the final forces can offset each other. For example, when there are three prostheses 11, the angles between the three prostheses 11 are all 120 degrees.
[0034] In some embodiments, combined Figure 1 As shown, the headrest is also fixedly assembled with a backrest, and the headrest and the backrest are both fixedly connected to the action component 2. The headrest must be used in conjunction with the backrest during actual use. Testing after the headrest is assembled on the backrest is conducive to better restoring the usage scenario and improving the accuracy of the test results.
[0035] In some embodiments, combined Figure 1 As shown, the prosthesis 11 is a half-body prosthesis, the head of the prosthesis 11 contacts the headrest, and the torso of the prosthesis 11 contacts the backrest. The half-body prosthesis can better restore the movements of the human body during actual use and improve the accuracy of the test results.
[0036] In some embodiments, combined Figure 1 As shown, the action component 2 includes an upper push rod 21 and a lower push rod 22. The movable end of the upper push rod 21 is fixedly assembled with the headrest, and the movable end of the lower push rod 22 is fixedly assembled with the backrest. The upper push rod 21 and the lower push rod 22 cooperate with each other to more stably fix the headrest and the backrest. At the same time, by controlling the upper push rod 21 and the lower push rod 22, a certain tilt can be made and the headrest can be prevented from rotating.
[0037] In some embodiments, combined Figure 1As shown, the upper push rod 21 and the lower push rod 22 are both electric push rods. Each of the upper push rod 21 and the lower push rod 22 is independently controlled. The electric push rod can be directly controlled by the circuit, and the pushing distance and timing are more controllable.
[0038] In some embodiments, combined Figure 1 As shown, the simulation component 1 also includes a rotating motor 12 and a rotating shaft 13. The rotating shaft 13 is fixedly connected to the driving end of the rotating motor 12. A connecting column is provided on the cylindrical surface of the rotating shaft 13 to be fixedly connected to the prosthesis 11. The rotating motor 12 drives the prosthesis to move laterally through the rotating shaft 13 to achieve a more flexible imitation effect.
[0039] In some embodiments, combined Figure 1 As shown, the rotating motor 12 rotates back and forth to simulate the wear effect of the headrest caused by the shaking of the head during use, thereby achieving the purpose of this part of the test. At the same time, a single headrest is only located within a specific angle, and the reciprocating rotation can improve the test efficiency.
[0040] In some embodiments, combined Figure 1 As shown, the automobile seat rear headrest durability testing device also includes a simulation chamber 3, the headrest, simulation component 1 and action component 2 are all located in the simulation chamber 3, and the rotating motor 12 is fixedly connected to the inner wall of the simulation chamber 3. Establishing the simulation chamber 3 can realize the control of the influence of external uniform speed on the test results, such as controlling variables such as temperature and humidity.
[0041] In some embodiments, combined Figure 1 As shown, the simulation room 3 is provided with partitions to divide the simulation room 3 into multiple independent spaces. Each headrest is located in an independent space. Different parameters can be selected in each independent space. The influence of external factors on the test results can be tested through multiple independent spaces.
[0042] Working process: The movable end of the action component 2 pushes the headrest toward the prosthesis 11 and simulates the usage scenario to perform a durability test. The symmetrically distributed prostheses 11 on the simulation component 1 are all subjected to impact force. The total impact force received by the simulation component 1 is symmetrically distributed and offsets each other, reducing the impact of the impact force on the simulation component 1. The test action is more stable and not easy to deform.
[0043] 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. Automobile seat rear headrest durability test device, characterized by: include: A simulation component (1), wherein at least two prostheses (11) are symmetrically distributed on the simulation component (1); An action component (2), the action component (2) being provided with a movable end, and the movable end of the action component (2) being fixedly mounted with a headrest; The number of the action components (2) is the same as the number of the prostheses (11); the action components (2) are symmetrically distributed around the simulation component (1); the active end of each action component (2) faces a prosthesis (11); and the action components (2) push the headrest toward the prosthesis (11).
2. The vehicle seat rear headrest durability testing device according to claim 1, characterized in that: The prosthesis (11) is axially symmetrically distributed on the simulation component (1), and the action component (2) is axially symmetrically distributed around the simulation component (1).
3. The vehicle seat rear headrest durability testing device according to claim 1, characterized in that: The headrest is also fixedly equipped with a backrest, and both the headrest and the backrest are fixedly connected to the action component (2).
4. The vehicle seat rear headrest durability testing device according to claim 3, characterized in that: The prosthesis (11) is a half-body prosthesis, the head of the prosthesis (11) abuts against the headrest, and the trunk of the prosthesis (11) abuts against the backrest.
5. The vehicle seat rear headrest durability testing device according to claim 3, characterized in that: The action assembly (2) comprises an upper push rod (21) and a lower push rod (22); the movable end of the upper push rod (21) is fixedly assembled with the headrest, and the movable end of the lower push rod (22) is fixedly assembled with the backrest.
6. The vehicle seat rear headrest durability testing device according to claim 5, characterized in that: The upper push rod (21) and the lower push rod (22) are both electric push rods, and each of the upper push rod (21) and the lower push rod (22) is independently controlled.
7. The vehicle seat rear headrest durability testing device according to claim 1, characterized in that: The simulation component (1) further comprises a rotating motor (12) and a rotating shaft (13), wherein the rotating shaft (13) is fixedly connected to the driving end of the rotating motor (12), and a connecting column is provided on the cylindrical surface of the rotating shaft (13) for fixedly connecting to the prosthesis (11).
8. The vehicle seat rear headrest durability testing device according to claim 7, characterized in that: The rotating motor (12) performs reciprocating rotation.
9. The vehicle seat rear headrest durability testing device according to claim 7, characterized in that: It also includes a simulation room (3), wherein the headrest, the simulation component (1) and the action component (2) are all located in the simulation room (3), and the rotating motor (12) is fixedly connected to the inner wall of the simulation room (3).
10. The vehicle seat rear headrest durability testing device according to claim 9, characterized in that: A partition is provided in the simulation chamber (3) to divide the simulation chamber (3) into a plurality of independent spaces, and each headrest is individually located in an independent space.