Handgrip bending test device

Abstract

The utility model relates to the technical field of bending test, disclose a handle bending test device, include: work bench have base and the mounting frame connected in base, first fixed plate is connected on the mounting frame for fixing one end of the handle to be tested in the mounting frame, second fixed plate is connected in the other end of handle to be tested, reciprocating drive mechanism is connected with second fixed plate for driving second fixed plate movement, and drive handle to be tested to carry out reciprocating bending movement. The utility model provides driving force by reciprocating drive mechanism to bend handle to be tested when testing, does not need manual bending and does not need manual real -time monitoring whole experimental process to reduce artificial cost, save time and labour, and the handle bending test device can guarantee the bending angle, speed and strength of handle to be tested etc.

Description

Technical Field

[0001] This utility model relates to the field of bending test technology, specifically to a handle bending test device. Background Technology

[0002] Cooking oil containers are often equipped with plastic handles for easy carrying. The quality of the handle directly affects user experience and safety. If the handle breaks accidentally during use, it will not only result in the loss of the contents of the container (such as cooking oil) but may also pose a safety hazard to the user. Therefore, testing the durability of the handle, especially its resistance to repeated bending, is a key aspect of quality control during the production process.

[0003] Currently, the commonly used testing method in the industry is to manually bend the handle repeatedly until it breaks, and record the number of bends. However, manual bending is slow and requires a dedicated person to continuously bend the handle, thus consuming a significant amount of human resources and time. Furthermore, the angle, speed, and force of manual bending are difficult to maintain consistently, and the conditions vary from test to test, resulting in inconsistent and poor repeatability of the results, failing to provide accurate data support for quality improvement. The test results obtained after manual bending are also affected by subjective factors such as the operator's physical strength and fatigue level, lacking objectivity and reliability. Utility Model Content

[0004] In view of this, the present invention provides a handle bending test device to solve the problems of low efficiency and low test accuracy when conducting handle bending tests manually.

[0005] This utility model provides a handle bending test device, comprising: A workbench having a base and a mounting frame connected to the base; The first fixing plate is connected to the mounting frame and is used to fix one end of the handle to be tested to the mounting frame. The second fixing plate is connected to the other end of the handle to be tested; A reciprocating drive mechanism is connected to the second fixed plate and is used to drive the second fixed plate to move and drive the handle under test to perform reciprocating bending motion.

[0006] Beneficial effects: During the test, the reciprocating drive mechanism provides the driving force to bend the handle under test, eliminating the need for manual bending and real-time monitoring of the entire experimental process, thereby reducing labor costs and saving time and effort. Moreover, the handle bending test device can ensure the bending angle, speed, and force of the handle under test, effectively controlling the experimental conditions for each test, ensuring the consistency of the experimental results, thus ensuring the accuracy and objectivity of the experimental results, and effectively improving the efficiency of the test.

[0007] In one optional embodiment, the mounting frame is provided with a first connection hole; The first fixing plate includes a first fixing plate body, and the first fixing plate body is provided with a second connecting hole corresponding to the first connecting hole. The first fixing plate is installed on the mounting frame by means of a connector passing through the first connecting hole and the second connecting hole. The outer periphery of the first fixing plate body is provided with a protrusion, and the handle to be tested is fixed between the protrusion and the mounting frame.

[0008] In one optional embodiment, the second fixing plate includes a second fixing plate body; A first connecting plate, one end of which is connected to the main body of the second fixing plate; The second connecting plate is connected to the other end of the first connecting plate, and the second connecting plate is connected to the reciprocating drive mechanism.

[0009] In one optional embodiment, the second fixing plate body is provided with a groove, the groove is formed by recessing upward from the lower end surface of the second fixing plate body, the groove passes through the left and right sides of the second fixing plate body, and the handle to be tested is installed in the groove.

[0010] In one optional embodiment, the mounting frame is further provided with a third connecting hole; the reciprocating drive mechanism includes a mounting body, the mounting body is provided with a fourth connecting hole corresponding to the third connecting hole, and the mounting body is connected to the mounting frame by a connector passing through the third connecting hole and the fourth connecting hole.

[0011] In one optional embodiment, the reciprocating drive mechanism further includes a first connecting portion, which is mounted on the mounting body; A swing arm, one end of which is connected to the first connecting part and the other end of which is connected to the second connecting plate; A drive motor, the output end of which is connected to the first connecting part for driving the first connecting part to rotate.

[0012] In one optional embodiment, the reciprocating drive mechanism further includes a second connecting part, a third connecting part, and a connecting rod; the second connecting part is connected to the swing arm; the third connecting part is mounted on the mounting body; one end of the connecting rod is movably connected to the second connecting part, and the other end is movably connected to the third connecting part.

[0013] In one alternative embodiment, a control system is further included, electrically connected to the reciprocating drive mechanism, the control system including a speed controller for adjusting the movement speed of the reciprocating drive mechanism.

[0014] In one alternative implementation, the control system further includes a counter for recording the number of reciprocating bends of the reciprocating drive mechanism.

[0015] In an optional embodiment, a sensing device is further included, which is electrically connected to the control system, for automatically stopping the operation of the reciprocating drive mechanism and stopping the counter when the handle under test breaks. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a handle bending test device according to an embodiment of the present utility model; Figure 2 This is a schematic diagram of the reciprocating drive mechanism in a handle bending test device according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the workbench structure in a handle bending test device according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the structure of the first fixing plate in a handle bending test device according to an embodiment of the present utility model; Figure 5 This is a schematic diagram of the structure of the second fixing plate in a handle bending test device according to an embodiment of the present invention.

[0018] Explanation of reference numerals in the attached figures: 100. Workbench; 110. Base; 120. Mounting frame; 130. First connecting hole; 140. Third connecting hole; 200. Second fixing plate; 210. Second fixing plate body; 220. First connecting plate; 230. Second connecting plate; 300. Reciprocating drive mechanism; 310. Swing arm; 320. First connecting part; 330. Second connecting part; 340. Third connecting part; 350. Connecting rod; 360. Drive motor; 370. Mounting body; 371. Fourth connecting hole; 400. First fixing plate; 410. Protrusion; 420. First fixing plate body; 430. Second connecting hole; 500. Handle to be tested. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] The following is combined Figures 1 to 5 The following describes embodiments of the present invention.

[0021] According to embodiments of the present invention, such as Figure 1 As shown, a handle bending test device is provided, including: a workbench 100 having a base 110 and a mounting frame 120 connected to the base 110; a first fixing plate 400 connected to the mounting frame 120 for fixing one end of the handle 500 to be tested to the mounting frame 120; a second fixing plate 200 connected to the other end of the handle 500 to be tested; and a reciprocating drive mechanism 300 connected to the second fixing plate 200 for driving the second fixing plate 200 to move and causing the handle 500 to be tested to perform reciprocating bending motion.

[0022] In this embodiment, the workbench 100 is a basic support structure, having a base 110 and a mounting frame 120. The base 110 provides stable bottom support to prevent the device from shaking during the test, thus ensuring test accuracy. The mounting frame 120 is connected to the base 110 and is used to fix the first fixing plate 400, while also providing an installation reference for the reciprocating drive mechanism 300. The mounting frame 120 is formed by the combination of oppositely arranged side plates and a top plate, with a certain accommodating space between the top plate and the base 110, allowing part of the reciprocating drive mechanism 300 to be accommodated within this accommodating space, thereby reducing the overall volume of the handle bending test device.

[0023] The handle 500 to be tested has a fixed end and a free end. A first fixing plate 400 is mounted on a mounting plate and serves as a fixed fulcrum for the handle 500, rigidly fixing the fixed end of the handle 500. This ensures that the fixed end of the handle 500 remains stationary during the bending test, concentrating the bending stress on the effective test section of the handle. A second fixing plate 200 serves as the force-bearing drive end of the handle 500, connected to the free end, and transmits the power from the reciprocating drive mechanism 300 to the handle 500. The reciprocating drive mechanism 300 is mounted on a base 110 and fixedly connected to the second fixing plate 200, providing driving force to the second fixing plate 200. By driving the second fixing plate 200 to reciprocate through the reciprocating drive mechanism 300, the free end of the handle 500 is indirectly driven to swing back and forth, causing the handle 500 to repeatedly bend between the fixed end and the free end.

[0024] During the bending test of the handle 500, the fixed end of the handle 500 is fixed to the mounting frame 120 by the first fixing plate 400, and the free end is clamped by the second fixing plate 200, ensuring that the handle is in a naturally straight or preset initial state. The reciprocating drive mechanism 300 is activated, and the motion of the reciprocating drive mechanism 300 is transmitted to the second fixing plate 200, thereby causing the free end of the handle 500 to reciprocate with the second fixing plate 200. Since the fixed end of the handle 500 is fixed by the first fixing plate 400, the reciprocating motion of the free end forces the handle 500 to undergo repeated bending deformation between the fixed end and the free end. During the test, the reciprocating drive mechanism 300 provides the driving force to bend the handle 500 under test, eliminating the need for manual bending and real-time monitoring of the entire experimental process, thereby reducing labor costs and saving time and effort. Moreover, the handle bending test device can ensure the bending angle, speed, and force of the handle 500 under test, effectively controlling the experimental conditions each time, ensuring the consistency of the experimental results, thus ensuring the accuracy and objectivity of the experimental results, and effectively improving the efficiency of the test.

[0025] like Figure 3 , Figure 4 As shown, in one embodiment, the mounting frame 120 is provided with a first connecting hole 130; the first fixing plate 400 includes a first fixing plate body 420, and the first fixing plate body 420 is provided with a second connecting hole 430 corresponding to the first connecting hole 130. The first fixing plate 400 is mounted on the mounting frame 120 by means of a connector passing through the first connecting hole 130 and the second connecting hole 430; the outer periphery of the first fixing plate body 420 is provided with a protrusion 410, and the handle 500 to be tested is fixed between the protrusion 410 and the mounting frame 120.

[0026] In this embodiment, the mounting frame 120 is provided with a first connecting hole 130, and the first fixing plate body 420 is provided with a second connecting hole 430, with the second connecting hole 430 corresponding to the first connecting hole 130. The first fixing plate 400 is detachably mounted on the mounting frame 120 by means of bolts, screws, or other connecting components passing through the first connecting hole 130 and the second connecting hole 430. This facilitates the replacement or adjustment of the first fixing plate 400 according to the specifications of the handle 500 to be tested, while ensuring positional accuracy after installation and preventing loosening during testing.

[0027] The outer periphery of the first fixing plate body 420 is provided with a protrusion 410. When the first fixing plate 400 is installed onto the mounting frame 120 via a connector, a clamping space is formed between the protrusion 410 and the surface of the mounting frame 120, and the fixed end of the handle 500 to be tested is clamped in the clamping space. Through the mechanical clamping of the protrusion 410 and the mounting frame 120, it is ensured that one end of the handle 500 to be tested is completely fixed during the test, becoming a rigid fulcrum during bending, ensuring that the bending stress is concentrated at the free end of the handle 500 to be tested, thereby improving the accuracy of the test results.

[0028] like Figure 5 As shown, in one embodiment, the second fixing plate 200 includes a second fixing plate body 210; a first connecting plate 220, one end of which is connected to the second fixing plate body 210; and a second connecting plate 230, which is connected to the other end of the first connecting plate 220 and is connected to the reciprocating drive mechanism 300.

[0029] In this embodiment, the second fixed plate body 210 is connected to the free end of the handle 500 under test, and is used to convert the motion of the reciprocating drive mechanism 300 into the bending motion of the handle 500 under test. One end of the first connecting plate 220 is connected to the second fixed plate body 210, and the other end is connected to the second connecting plate 230, so that the first connecting plate 220 acts as a transition connection and provides structural support for power transmission. The second connecting plate 230 is connected to the reciprocating drive mechanism 300 and fixedly connected to the first connecting plate 220, and is used to transmit the power of the reciprocating drive mechanism 300 to the first connecting plate 220, and then to the second fixed plate body 210 and the handle 500 under test.

[0030] Through the cooperation of the reciprocating drive mechanism 300, the first connecting plate 220, the second connecting plate 230, and the second fixed plate body 210, the reciprocating drive mechanism 300 transmits power to the second connecting plate 230, causing the second connecting plate 230 to reciprocate. The first connecting plate 220 receives the movement of the second connecting plate 230 and transmits power to the second fixed plate body 210. The second fixed plate body 210 drives the free end of the handle 500 under test to reciprocate. Since the other end of the handle is fixed by the first fixed plate 400, the handle 500 under test is repeatedly bent between the fixed end and the free end. The layered connecting plate structure can disperse and stabilize the power transmission, avoid component damage caused by stress concentration, and ensure that the bending movement of the handle is precise and controllable.

[0031] In one embodiment, the second fixing plate body 210 is provided with a groove, which is formed by recessing upward from the lower end of the second fixing plate body 210 and extends through the left and right sides of the second fixing plate body 210. The handle 500 to be tested is installed in the groove.

[0032] In this embodiment, the groove is formed by recessing upwards from the lower end of the second fixing plate body 210, and the groove extends through both the left and right sides of the second fixing plate body 210, providing a standardized installation space for the handle 500 to be tested. When the handle 500 to be tested is embedded in the groove, the shape of the groove restricts its position, ensuring that the installation position of the handle 500 is completely consistent during each test, avoiding errors in test results due to clamping deviations. When installing the handle 500 to be tested, it can be quickly embedded into the groove from the lower end or side of the second fixing plate body 210 without complex alignment operations; the open design of the groove also facilitates adaptation to handles of different diameters and lengths, improving the versatility of the handle bending test device.

[0033] like Figure 2 As shown, in one embodiment, the mounting frame 120 is further provided with a third connecting hole 140; the reciprocating drive mechanism 300 includes a mounting body 370, which is provided with a fourth connecting hole 371 corresponding to the third connecting hole 140. The mounting body 370 is connected to the mounting frame 120 by a connector passing through the third connecting hole 140 and the fourth connecting hole 371.

[0034] In this embodiment, the reciprocating drive mechanism 300 has a mounting body 370, on which a fourth connecting hole 371 is provided. This fourth connecting hole 371 corresponds one-to-one with the third connecting hole 140 on the mounting frame 120. When the reciprocating drive mechanism 300 is installed on the worktable 100, the fourth connecting hole 371 is aligned with the third connecting hole 140, and then bolts or screws are used to pass through the third connecting hole 140 and the fourth connecting hole 371 and lock them together, thus rigidly fixing the mounting body 370 to the mounting frame 120, thereby realizing the installation of the reciprocating drive mechanism 300 on the worktable 100. The connection between the mounting body 370 and the mounting frame 120 provides a rigid support reference for the reciprocating drive mechanism 300, ensuring that the reciprocating drive mechanism 300 does not deviate or shake during operation, and guaranteeing the stability of the output motion.

[0035] In one embodiment, the reciprocating drive mechanism 300 further includes a first connecting part 320, which is mounted on the mounting body 370; a rocker arm 310, one end of which is connected to the first connecting part 320 and the other end of which is connected to the second connecting plate 230; and a drive motor 360, the output end of which is connected to the first connecting part 320 for driving the first connecting part 320 to rotate.

[0036] In this embodiment, the reciprocating drive mechanism 300 further includes a first connecting part 320, a rocker arm 310, and a drive motor 360. The drive motor 360 is the power source for the entire reciprocating drive mechanism 300, outputting continuous rotational motion through its output end to provide power for the reciprocating bending of the handle 500 under test. The first connecting part 320 is mounted on the mounting body 370 and connects the drive motor 360 and the rocker arm 310 respectively. The first connecting part 320 can be fixed by gear meshing or coupling, etc., to receive the rotational motion output by the drive motor 360, and then further drive the rocker arm 310 to move together with the first connecting part 320. One end of the rocker arm 310 is connected to the first connecting part 320, and the other end is connected to the second connecting plate 230, for transmitting the driving force to the free end of the handle 500 under test.

[0037] Through the cooperation between the drive motor 360, the first connecting part 320, and the swing arm 310, the rotational motion of the drive motor 360 can be transmitted to the first connecting part 320 via a transmission connection. Then, the first connecting part 320 transmits the power to the swing arm 310, further driving the second fixed plate 200 to move, thereby achieving the bending of the handle 500 under test. The continuous rotational motion of the drive motor 360 is converted into the reciprocating swing required by the handle 500 under test, matching the bending scenario of the handle 500 under test in actual use. The first connecting part 320 and the motor are fixed by the mounting body 370, ensuring that the first connecting part 320 does not deviate during the power transmission process, making the swing angle and frequency of the swing arm 310 stable and controllable, ensuring the consistency of parameters in the bending test of the handle 500 under test, and thus ensuring the accuracy of the experimental results.

[0038] Furthermore, the reciprocating drive mechanism 300 also includes a second connecting part 330, a third connecting part 340, and a connecting rod 350; the second connecting part 330 is connected to the rocker arm 310; the third connecting part 340 is mounted on the mounting body 370; one end of the connecting rod 350 is movably connected to the second connecting part 330, and the other end is movably connected to the third connecting part 340.

[0039] Specifically, the second connecting part 330 is fixedly connected to the swing arm 310 and fixed at a non-endpoint position of the swing arm 310; the third connecting part 340 is mounted on the mounting body 370 and rigidly connected to the mounting body 370, keeping its position fixed; the two ends of the connecting rod 350 are respectively movably connected to the second connecting part 330 and the third connecting part 340. The second connecting part 330 does not directly transmit power to the drive motor 360, but serves as the movable connecting end of the connecting rod 350, receiving the constraint force from the third connecting part 340 through the connecting rod 350, thus limiting the movement trajectory of the swing arm 310.

[0040] When the drive motor 360 drives the first connecting part 320 to rotate, the swing arm 310 will rotate with the first connecting part 320; however, the second connecting part 330 on the swing arm 310 is connected to the fixed third connecting part 340 through the connecting rod 350. The connecting rod 350 has a fixed length and will pull or push against the second connecting part 330, preventing the swing arm 310 from making a complete circular motion; ultimately, the swing arm 310 can only swing back and forth at a fixed angle with the first connecting part 320 as the center within the range allowed by the connecting rod 350; the swing angle of the swing arm 310 is determined by the distance between the first connecting part 320 and the third connecting part 340, the length of the connecting rod 350 and the position of the second connecting part 330 on the swing arm 310, and the angle and trajectory of the swing arm 310 swinging each time are completely consistent.

[0041] The swing angle of the swing arm 310 can be set by adjusting the length of the connecting rod 350, thereby controlling the bending amplitude of the handle 500 under test and meeting the requirements of different test standards. The constraint of the connecting rod 350 can counteract the lateral force during the movement of the swing arm 310, prevent the second connecting plate 230 from shifting, and ensure that each bend acts on the same test segment of the handle 500 under test, making the test results more reliable.

[0042] In one embodiment, a control system is also included, electrically connected to the reciprocating drive mechanism 300, the control system including a speed controller for adjusting the movement speed of the reciprocating drive mechanism 300.

[0043] In this embodiment, the control system is integrated into a control box. The control box panel is equipped with a power switch, a start / stop button, and a speed controller, such as a rotary frequency converter or speed regulator. The operator can freely set the motor speed according to the test standard, thereby adjusting the movement speed of the reciprocating drive mechanism 300, and thus precisely controlling the reciprocating bending frequency of the handle 500 under test.

[0044] Furthermore, the control system also includes a counter for recording the number of reciprocating bends of the reciprocating drive mechanism 300.

[0045] Specifically, the counter counts by sensing the motion cycle of the reciprocating drive mechanism 300. For example, the counter can be linked to the swing arm 310 of the reciprocating drive mechanism 300. By detecting the movement of the swing arm 310, the counter receives a trigger signal each time the swing arm 310 completes a full swing motion, thus performing one count. Alternatively, the counter can directly read the output signal of the drive motor 360. Every two rotations of the drive motor 360 correspond to one reciprocation. Through the logic calculation of the control system, the number of rotations of the drive motor 360 is converted into the number of bends, thereby realizing the counting of the counter.

[0046] Furthermore, it also includes a sensing device electrically connected to the control system, which automatically stops the operation of the reciprocating drive mechanism 300 and stops the counter when the handle 500 under test breaks.

[0047] Specifically, the sensing device is electrically connected to the control system. When the handle 500 to be tested breaks, the sensing device triggers a signal, causing the control system to automatically stop the reciprocating drive mechanism 300. At the same time, the counter stops counting and locks the displayed value, thereby determining the number of times the handle 500 to be tested can withstand bending.

[0048] The sensing device can be a photoelectric sensor or a laser displacement sensor located next to the second fixed plate 200 or the handle 500 under test. During normal bending of the handle 500, the displacement of the handle 500 remains stable within a preset range, such as a swing amplitude of ±30°. If the handle 500 breaks, its free end will suddenly shift due to loss of constraint, increasing its displacement. The sensor detects this abnormal displacement and immediately triggers a signal, transmitting it to the control system. This signals the reciprocating drive mechanism 300 to stop moving and the counter to stop counting. Through the coordination between the control system and the sensing device, manual monitoring of the test process is eliminated. Furthermore, the automatic stopping of the reciprocating drive mechanism 300 and the counter when the handle 500 breaks effectively reduces labor costs and improves the accuracy of the test data.

[0049] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A handle bending test device, characterized in that, include: The workbench (100) has a base (110) and a mounting frame (120) connected to the base (110). The first fixing plate (400) is connected to the mounting frame (120) and is used to fix one end of the handle (500) to be tested to the mounting frame (120). The second fixing plate (200) is connected to the other end of the handle (500) to be tested; The reciprocating drive mechanism (300) is connected to the second fixed plate (200) and is used to drive the second fixed plate (200) to move and drive the handle (500) to be tested to perform reciprocating bending motion.

2. The handle bending test device according to claim 1, characterized in that, The mounting frame (120) is provided with a first connecting hole (130); The first fixing plate (400) includes a first fixing plate body (420), and the first fixing plate body (420) is provided with a second connecting hole (430) corresponding to the first connecting hole (130). The first fixing plate (400) is installed on the mounting frame (120) by means of a connector passing through the first connecting hole (130) and the second connecting hole (430). The outer periphery of the first fixing plate body (420) is provided with a protrusion (410), and the handle (500) to be tested is fixed between the protrusion (410) and the mounting frame (120).

3. The handle bending test device according to claim 1, characterized in that, The second fixing plate (200) includes a second fixing plate body (210); A first connecting plate (220) is connected at one end to the second fixing plate body (210). The second connecting plate (230) is connected to the other end of the first connecting plate (220), and the second connecting plate (230) is connected to the reciprocating drive mechanism (300).

4. The handle bending test device according to claim 3, characterized in that, The second fixing plate body (210) is provided with a groove. The groove is formed by recessing upward from the lower end of the second fixing plate body (210). The groove passes through the left and right sides of the second fixing plate body (210). The handle (500) to be tested is installed in the groove.

5. The handle bending test device according to claim 3, characterized in that, The mounting frame (120) is also provided with a third connecting hole (140); the reciprocating drive mechanism (300) includes a mounting body (370), the mounting body (370) is provided with a fourth connecting hole (371) corresponding to the third connecting hole (140), and the mounting body (370) is connected to the mounting frame (120) by a connector passing through the third connecting hole (140) and the fourth connecting hole (371).

6. The handle bending test device according to claim 5, characterized in that, The reciprocating drive mechanism (300) further includes a first connecting part (320) mounted on the mounting body (370); A swing arm (310), one end of which is connected to the first connecting part (320) and the other end of which is connected to the second connecting plate (230); A drive motor (360) is provided, the output end of which is connected to the first connecting part (320) for driving the first connecting part (320) to rotate.

7. The handle bending test device according to claim 6, characterized in that, The reciprocating drive mechanism (300) further includes a second connecting part (330), a third connecting part (340), and a connecting rod (350); the second connecting part (330) is connected to the swing arm (310); the third connecting part (340) is mounted on the mounting body (370); one end of the connecting rod (350) is movably connected to the second connecting part (330), and the other end is movably connected to the third connecting part (340).

8. The handle bending test device according to claim 1, characterized in that, It also includes a control system electrically connected to the reciprocating drive mechanism (300), the control system including a speed controller for adjusting the movement speed of the reciprocating drive mechanism (300).

9. The handle bending test device according to claim 8, characterized in that, The control system also includes a counter for recording the number of reciprocating bends of the reciprocating drive mechanism (300).

10. The handle bending test device according to claim 9, characterized in that, It also includes a sensing device electrically connected to the control system, which is used to automatically stop the operation of the reciprocating drive mechanism (300) and stop the counter when the handle (500) under test is broken.

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