Force application mechanism applied to automobile inner door handle torque test
By designing a combination of test bench and force application components, the problem of insecure clamping in torque tests of different models of interior door handles was solved, enabling rapid adaptive clamping and accurate torque testing, thus improving the reliability and data accuracy of the tests.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-03-20
AI Technical Summary
Existing technology cannot effectively test the torque of interior door handles of different car models, resulting in large measurement errors, failing to accurately reflect the mechanical performance of the handles, and distorting the test data.
A device comprising a test bench, an inner door handle, a fixed frame, a force application component, and a fixing component was designed. Through the combination of an electric push rod, a sliding groove, and a threaded rod, it enables rapid clamping and torque testing of different models of inner door handles, compensates for installation deviations, and ensures the reliability of the test.
It enables rapid adaptive clamping for different models of inner door handles, improves the reliability and data accuracy of torque tests, and ensures the validity of test results.
Smart Images
Figure CN224019302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of torque test of car inner door handle, specifically to the force applying mechanism for torque test of car inner door handle. BACKGROUND
[0002] The car inner door handle is a device for opening the door in the car, usually installed on the inner side of the door, which is convenient for passengers to open the door from the car. The force applying mechanism for torque test of car inner door handle is a device for simulating the operation of the inner door handle by hand and applying a specific torque, which is used to test the strength, durability and functionality of the inner door handle.
[0003] Due to the diversity of the model of the car inner door handle, the installation point and the stress angle of different models of the handle are quite different, and the clamping is not firm, which can further amplify the measurement error, and cannot truly reflect the mechanical properties of the handle, resulting in that the actual torque transmitted to the handle is less than the set value, and the test data is distorted, therefore, a torque test force applying mechanism for testing different models of the inner door handle is needed to improve the applicability of the force applying mechanism. SUMMARY
[0004] The utility model aims at providing the force applying mechanism for torque test of car inner door handle to solve the problems in the above background technology. To solve the above technical problems, the utility model is realized by the following technical scheme:
[0005] The utility model is the force applying mechanism for torque test of car inner door handle, which comprises:
[0006] The inner door handle is placed on the upper surface of the test table, and the fixed frame is fixed on one side of the upper surface of the test table, and the inner door handle is located inside the fixed frame.
[0007] The force applying assembly comprises a sliding frame, an electric push rod, a movable slot, a torque tester and a connecting rod. The sliding frame is fixed on one side of the lower surface of the test table, and the movable slot is formed on one side of the upper surface of the test table. The electric push rod is slidably placed in the sliding frame, and the output end of the electric push rod extends into the movable slot. The torque tester is fixed on the output end of the electric push rod, and the connecting rod is fixed on the upper surface of the torque tester.
[0008] Further, the lower surface of the test table is fixed with a chassis on both sides, one side of the fixed frame is fixed with three springs, the end of the spring is fixed with a clamping plate, and the clamping plate is in contact with one side of the inner door handle.
[0009] Further, a sliding slot is formed in the connecting rod, and a sliding rod is slidably placed in the sliding slot.
[0010] Further, the end of the sliding rod is fixed with a clamping frame, and the clamping frame is F-shaped.
[0011] Further, a threaded groove is formed on one side of the clamping frame, a first threaded rod is screwed through the threaded groove, and the lower end of the first threaded rod is in contact with the inner door handle.
[0012] Further, a fixing assembly is further included, the fixing assembly includes a second threaded rod, a bearing and a connecting plate, the second threaded rod is screwed through the middle of the upper surface of the fixing frame, the bearing is rotatably screwed through the lower end of the second threaded rod, and the connecting plate is fixed to the lower surface of the bearing.
[0013] Further, a limiting groove is formed on the inner wall of the fixing frame, a limiting block is fixed to the outer surface side wall of the connecting plate, the limiting block is slidably placed in the limiting groove, a fixing block is fixed to the lower surface of the connecting plate, and the bottom surface of the fixing block is in contact with the upper surface of the inner door handle.
[0014] The utility model has the following beneficial effects:
[0015] The utility model discloses test platform, inner door handle, fixing frame, spring, clamping plate and force applying assembly, when the torque test of different models of inner door handle is carried out, only need to place the inner door handle on the upper surface of test platform, then shorten electric push rod to the lowermost, again, the inner surface of clamping frame is in contact with the inner door handle, then rotates first threaded rod, and first threaded rod rotates in the threaded groove, so that first threaded rod and clamping frame clamp the inner door handle, then through external controller, start electric push rod, and electric push rod drives torque tester vertical movement, and torque tester drives connecting rod up and down vertical movement simultaneously, and under the limit of sliding groove, the extension and shortening of electric push rod make the inner door handle rotate, when the inner door handle rotates and tests the torque, the sliding rod moves horizontally in the sliding groove, and clamping frame and first threaded rod quickly adapt to different sizes, and the sliding groove compensates the installation deviation, improve the adaptability of different models of inner door handle, and guarantee the reliability of test. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to introduce the drawings used in the embodiment of the utility model briefly, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating creative labor.
[0017] Figure 1 It is the overall structure schematic diagram of the utility model;
[0018] Figure 2 It is the structure schematic diagram of the force applying assembly of the utility model;
[0019] Figure 3 It is the structure exploded view of the force applying assembly of the utility model;
[0020] Figure 4 It is the structural schematic view of the fixed assembly of the utility model.
[0021] In the drawing, the component list represented by each sign is as follows:
[0022] 11, test table; 12, underframe; 13, inner door handle; 14, fixed frame; 15, spring; 16, clamping plate;
[0023] 21, sliding frame; 22, electric push rod; 23, movable slot; 24, torque tester; 25, connecting rod; 26, sliding slot; 27, sliding rod; 28, clamping frame; 281, threaded groove; 29, first threaded rod;
[0024] 31, second threaded rod; 32, bearing; 33, limiting groove; 34, connecting plate; 35, limiting block; 36, fixed block. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.
[0027] Please refer to Figures 1-4 The utility model discloses a force applying mechanism for torque test of inner door handle of automobile, which comprises:
[0028] The test table 11, the inner door handle 13 and the fixed frame 14 are placed on the upper surface of the test table 11, the fixed frame 14 is fixed on one side of the upper surface of the test table 11, the inner door handle 13 is located inside the fixed frame 14, the underframe 12 is fixed on both sides of the lower surface of the test table 11, three springs 15 are fixed on one side of the fixed frame 14, the clamping plate 16 is fixed on the end of the spring 15, and the clamping plate 16 is in contact with one side of the inner door handle 13.
[0029] The test table 11 is the basic platform of the whole test device, the fixed frame 14 cooperates with the spring 15 and the clamping plate 16 to realize the quick clamping of the inner door handle 13, the spring 15 provides elastic force to push the clamping plate 16 to press the inner door handle 13 tightly, and automatic clamping is realized.
[0030] The force applying assembly comprises a sliding frame 21, an electric push rod 22, a movable slot 23, a torque tester 24 and a connecting rod 25, the sliding frame 21 is fixed on one side of the lower surface of the test table 11, a movable slot 23 is formed on one side of the upper surface of the test table 11, the electric push rod 22 is slidably arranged in the sliding frame 21, the output end of the electric push rod 22 extends into the movable slot 23, the torque tester 24 is fixed on the output end of the electric push rod 22, and the connecting rod 25 is fixed on the upper surface of the torque tester 24.
[0031] The sliding frame 21 provides guidance and support for the electric push rod 22, the electric push rod 22 provides a power source, simulates the pulling force of a human hand on the inner door handle 13, the movable slot 23 provides a channel for the output end of the electric push rod 22, the torque tester 24 measures the torque value applied to the inner door handle 13 in real time and transmits data to an external controller, and the torque tester 24 is internally provided with a wireless torque sensor of model FUTEK Wireless Torque Sensor.
[0032] A sliding groove 26 is formed in the connecting rod 25, and a sliding rod 27 is slidably arranged in the sliding groove 26, the distal end of the sliding rod 27 is fixed with a clamping frame 28, the clamping frame 28 is F-shaped, a threaded groove 281 is formed on one side of the clamping frame 28, a first threaded rod 29 is screwed into the threaded groove 281, and the lower end of the first threaded rod 29 is in contact with the inner door handle 13.
[0033] The connecting rod 25 is internally provided with the sliding groove 26 and the sliding rod 27, which compensates for the installation deviation of different models of inner door handles 13, the sliding groove 26 provides a guide rail for the horizontal movement of the sliding rod 27, and the first threaded rod 29 rotates in the threaded groove 281 to push the clamping frame 28 to press the inner door handle 13.
[0034] Working principle:
[0035] When the torque test is performed on different models of inner door handles 13, the inner door handle 13 is placed on the upper surface of the test table 11, then the electric push rod 22 is shortened to the lowermost position, the inner surface of the clamping frame 28 is brought into contact with the inner door handle 13, the first threaded rod 29 is rotated, the first threaded rod 29 rotates in the threaded groove 281 to make the first threaded rod 29 and the clamping frame 28 clamp the inner door handle 13, then the electric push rod 22 is started through the external controller, the electric push rod 22 drives the torque tester 24 to move vertically, the torque tester 24 drives the connecting rod 25 to move vertically up and down synchronously, and under the limitation of the sliding groove 26, the electric push rod 22 is elongated and shortened to make the inner door handle rotate, and when the inner door handle 13 is rotated to test the torque, the sliding rod 27 moves horizontally in the sliding groove 26.
[0036] The step, the clamping frame 28 and the first threaded rod 29 are quickly matched with different sizes, the sliding groove 26 compensates the installation deviation, the adaptability to different models of the inner door handle 13 is improved, and the reliability of the test is ensured.
[0037] Please refer to Figures 1-4 As shown in the embodiment, the embodiment is based on the above embodiment, further comprising:
[0038] The fixing assembly comprises a second threaded rod 31, a bearing 32 and a connecting plate 34. The second threaded rod 31 is threaded through the upper surface of the fixing frame 14, the bearing 32 is rotatably threaded through the lower end of the second threaded rod 31, and the connecting plate 34 is fixed to the lower surface of the bearing 32.
[0039] The connecting plate 34 is moved up and down through rotational movement, so as to clamp or loosen the inner door handle 13. The bearing 32 connects the second threaded rod 31 and the connecting plate 34, and converts the rotational movement of the second threaded rod 31 into the linear movement of the connecting plate 34.
[0040] The inner wall of the fixing frame 14 is provided with a limiting groove 33, and the outer surface side wall of the connecting plate 34 is fixed with a limiting block 35, which is slidably placed in the limiting groove 33. The lower surface of the connecting plate 34 is fixed with a fixing block 36, and the bottom surface of the fixing block 36 is in contact with the upper surface of the inner door handle 13.
[0041] The limiting groove 33 and the limiting block 35 limit the movement direction of the connecting plate 34, ensure that it is pressed vertically, avoid the inner door handle 13 from being inclined due to uneven force, and provide uniform pressing force through the downward pressing of the second threaded rod 31 and the fixing block 36, to prevent displacement of the inner door handle 13 during the test.
[0042] Working principle:
[0043] When the torque test of the inner door handle 13 is performed, after the inner door handle 13 is placed in the clamping plate 16 and the fixing frame 14, the second threaded rod 31 is rotated, and under the connection of the bearing 32, the second threaded rod 31 drives the connecting plate 34 to move downward. When the connecting plate 34 moves, the limiting block 35 moves in the limiting groove 33, and the connecting plate 34 moves downward, synchronously driving the fixing block 36 to abut against the inner door handle 13, so as to limit the inner door handle 13 on the upper surface of the test bench 11, facilitating the subsequent torque test.
[0044] This step can complete clamping by rotating the second threaded rod 31, which is simple to operate and does not require complex tools or adjustment, realizes quick and stable clamping of the inner door handle 13, effectively solves the clamping problem of multiple models of the inner door handle 13, and improves the test efficiency and data reliability.
[0045] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A force-applying mechanism for torque testing of automotive interior door handles, characterized in that, include: Test bench (11), inner door handle (13) and fixed frame (14) The inner door handle (13) is placed on the upper surface of the test bench (11), the fixed frame (14) is fixed on one side of the upper surface of the test bench (11), and the inner door handle (13) is located inside the fixed frame (14). The force-applying component includes a sliding frame (21), an electric push rod (22), a movable groove (23), a torque tester (24), and a connecting rod (25). The sliding frame (21) is fixed to one side of the lower surface of the test platform (11), and the movable groove (23) is provided on one side of the upper surface of the test platform (11). The electric push rod (22) is slidably placed in the sliding frame (21), and the output end of the electric push rod (22) extends into the movable groove (23). The torque tester (24) is fixed to the output end of the electric push rod (22), and the connecting rod (25) is fixed to the upper surface of the torque tester (24).
2. The force application mechanism for torque testing of automotive interior door handles according to claim 1, characterized in that: The test bench (11) has a base frame (12) fixed on both sides of its lower surface. Three springs (15) are fixed on one side of the fixed frame (14). The ends of the springs (15) are fixed with clamps (16), and the clamps (16) are in contact with one side of the inner door handle (13).
3. The force application mechanism for torque testing of automotive interior door handles according to claim 1, characterized in that: The connecting rod (25) has a sliding groove (26) inside, and a sliding rod (27) is slidably placed inside the sliding groove (26).
4. The force application mechanism for torque testing of automotive interior door handles according to claim 3, characterized in that: The end of the sliding rod (27) is fixed with a clamping frame (28), and the clamping frame (28) is F-shaped.
5. The force application mechanism for torque testing of automotive interior door handles according to claim 4, characterized in that: The clamping frame (28) has a threaded groove (281) on one side, and the threaded groove (281) has a first threaded rod (29) through its internal thread, and the lower end of the first threaded rod (29) is in contact with the inner door handle (13).
6. The force application mechanism for torque testing of automotive interior door handles according to claim 1, characterized in that: It also includes a fixing component, which includes a second threaded rod (31), a bearing (32) and a connecting plate (34). The second threaded rod (31) is threaded through the middle of the upper surface of the fixing frame (14), the bearing (32) is rotatably passed through the lower end of the second threaded rod (31), and the connecting plate (34) is fixed to the lower surface of the bearing (32).
7. The force application mechanism for torque testing of automotive interior door handles according to claim 6, characterized in that: The inner wall of the fixed frame (14) has a limiting groove (33), and the outer side wall of the connecting plate (34) is fixed with a limiting block (35), and the limiting block (35) is slidably placed inside the limiting groove (33). The lower surface of the connecting plate (34) is fixed with a fixing block (36), and the bottom surface of the fixing block (36) is in contact with the upper surface of the inner door handle (13).