Automobile sliding door hinge temperature and humidity alternating endurance test device

Abstract

The utility model discloses an automobile sliding door hinge temperature and humidity alternating endurance test device which comprises a walk-in humidity and temperature alternating test box, a test bed is arranged on the inner side of the walk-in humidity and temperature alternating test box, a lower hinge is arranged on one side of the test bed, pneumatic unlocking devices are symmetrically and fixedly connected to the two sides of the lower hinge, and the pneumatic unlocking devices are arranged on the two sides of the lower hinge. An upper hinge is arranged at the upper end of the test bench, and a driving motor is arranged on one side of the walk-in humidity and temperature alternating test box. By means of the structure, rotation motion of the driving motor, the driving rod and the reciprocating motion mechanism are converted into linear motion, one side of the driving rod is fixedly connected with the automobile door connecting device, the automobile door connecting device can drive the automobile door structures on the two sides to do reciprocating motion, and in the automobile door reciprocating motion process, the upper hinge, the middle hinge and the lower hinge can do reciprocating motion on the inner side of the guide rail; the test is carried out in the walk-in humidity and temperature alternating test box, and the temperature and humidity alternating endurance test of the automobile sliding door hinge can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile component testing, in particular to a temperature and humidity alternating durability testing device for automobile sliding door hinges. Background Art

[0002] The automobile sliding door system has many advantages over the hinged revolving doors of traditional models due to its unique opening method, such as small opening space requirement, good accessibility, convenient loading and unloading of goods, and electric functions. It is now increasingly favored by customers. Due to the structural characteristics of the sliding door, the door is opened and closed by the cooperation of three hinges and guide rails at the top, middle and bottom. The rollers of the hinges are mostly bearings with plastic coated outer rings. Changes in temperature and humidity have a significant impact on the smoothness, comfort, durability, and abnormal noise of the door when opening and closing, which directly affects the customer's car experience. Therefore, the temperature and humidity alternating durability test of the sliding door hinge is extremely important in the early stage of vehicle model development, so it is necessary to set up a temperature and humidity alternating durability test device for automobile sliding door hinges.

[0003] When the temperature and humidity alternating durability test device for automobile sliding door hinges is used, in the prior art, the automobile sliding door hinges are generally placed and moved randomly during the test, making it difficult to control. Since the changes in temperature and humidity have a great impact on the operation of the cylinder and the motor, the door opening and closing speed, temperature and humidity and other test conditions cannot meet the expected test speed conditions, and the normal temperature test is mostly used. Utility Model Content

[0004] The purpose of the utility model is to provide a temperature and humidity alternating durability test device for automobile sliding door hinges, which converts the rotary motion of a motor, a drive rod, and a reciprocating motion mechanism into linear motion, uses a linear slide rail and a support seat in the middle to ensure the smoothness of the speed, avoids the use of electronic components, and ensures the operating reliability in high temperature and high humidity environments.

[0005] In order to achieve the above-mentioned purpose, a temperature and humidity alternating durability test device for automobile sliding door hinges is provided, comprising a walk-in wet temperature alternating test box, a test bench is arranged on the inner side of the walk-in wet temperature alternating test box, two door systems are symmetrically arranged on the side wall of the test bench, and the inner side of the door system is respectively provided with an upper hinge, a middle hinge and a lower hinge from top to bottom, a drive motor is arranged on one side of the walk-in wet temperature alternating test box, a reciprocating motion mechanism is arranged on one side of the drive motor, the reciprocating motion mechanism and the output end of the drive motor are fixedly connected, a drive rod is fixedly connected to one side of the reciprocating motion mechanism, the drive rod is communicated with the inner side of the walk-in wet temperature alternating test box, a door connecting device is arranged on the side of the drive rod away from the drive motor, and the door connecting device is connected to the inner side of the door system.

[0006] According to the temperature and humidity alternating durability testing device for automobile sliding door hinges, a base is fixedly connected to the lower end of the walk-in humidity and temperature alternating testing box.

[0007] According to the temperature and humidity alternating durability test device for automobile sliding door hinges, a pneumatic unlocking device is provided on one side of the lower hinge, a guide rail is provided on one side of the pneumatic unlocking device, the upper hinge, the middle hinge, the lower hinge and the guide rail are slidably connected, and the guide rail is fixedly connected to the test bench.

[0008] According to the automobile sliding door hinge temperature and humidity alternation durability test device, a speed control box is fixedly connected to the side wall of the walk-in humidity and temperature alternation test box.

[0009] According to the temperature and humidity alternating durability test device for automobile sliding door hinges, the lower end of the driving motor is fixedly connected to a support seat.

[0010] Beneficial effects:

[0011] During the test, a drive motor is used for driving, and the rotational motion of the drive motor, the drive rod, and the reciprocating motion mechanism are converted into linear motion. One side of the drive rod is fixedly connected to the door connecting device, which can drive the door structures on both sides to reciprocate. During the reciprocating motion of the door, the upper hinge, the middle hinge, and the lower hinge can reciprocate on the inside of the guide rail. The test is carried out inside a walk-in wet temperature alternating test chamber, so that it can realize the temperature and humidity alternating durability test of the automobile sliding door hinge.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 A three-dimensional diagram of a temperature and humidity alternating durability test device for a sliding door hinge of an automobile proposed by the utility model;

[0015] Figure 2 A schematic diagram of the internal structure of a walk-in humidity and temperature alternation test box of a temperature and humidity alternation durability test device for automobile sliding door hinges proposed by the utility model;

[0016] Figure 3 This is a perspective view from the side of a temperature and humidity alternating durability test device for automobile sliding door hinges proposed by the utility model;

[0017] Figure 4 The utility model proposed Figure 2The structural diagram at A in the middle;

[0018] Figure 5 The utility model proposed Figure 3 Schematic diagram of the structure at B in the middle;

[0019] Figure 6 The utility model proposed Figure 3 The structural diagram at C in the middle;

[0020] Figure 7 The utility model proposed Figure 4 Schematic diagram of the structure at D in the figure.

[0021] Legend:

[0022] 1. Driving motor; 2. Reciprocating motion mechanism; 3. Support seat; 4. Base; 5. Driving rod; 6. Speed ​​control box; 7. Door connection device; 8. Test bench; 9. Door system; 10. Pneumatic unlocking device; 11. Walk-in wet temperature alternating test chamber; 12. Middle hinge; 13. Lower hinge; 14. Upper hinge; 15. Guide rail. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-7The utility model embodiment provides a temperature and humidity alternating durability test device for automobile sliding door hinges, which includes a walk-in wet temperature alternating test box 11. The walk-in wet temperature alternating test box 11 controls the temperature and humidity conditions of the environment in which the durability test device is located. Through the coordinated operation of the above devices / mechanisms, the durability performance of the automobile sliding door hinge and the entire door system 9 under various conditions of door opening and closing speeds, temperatures, humidity, and door opening and closing times is verified. A test bench 8 is arranged inside the walk-in wet temperature alternating test box 11. Two door systems 9 are symmetrically arranged on the side walls of the test bench 8. The inner side of the door system 9 is respectively provided with an upper hinge 14, a middle hinge 12, and a lower hinge 13 from top to bottom. The upper end of the test bench 8 is provided with an upper hinge 14. The walk-in wet temperature alternating test box 11 is provided with a test bench 8. A drive motor 1 is arranged on one side of the wet temperature alternating test box 11. The drive motor 1 adopts a conventional DC motor. A reciprocating motion mechanism 2 is arranged on one side of the drive motor 1. The reciprocating motion mechanism 2 is a mechanical eccentric crankshaft. The reciprocating motion mechanism 2 converts the rotational motion of the drive motor 1 into a linear reciprocating motion, and drives the support seat 3 to reciprocate linearly on the slide rail. The reciprocating motion mechanism 2 is fixedly connected to the output end of the drive motor 1. A drive rod 5 is fixedly connected to one side of the reciprocating motion mechanism 2. The drive rod 5 connects the support seat 3 and the door connecting device 7. The drive rod 5 is communicated with the inner side of the walk-in wet temperature alternating test box 11. A door connecting device 7 is arranged on the side of the drive rod 5 away from the drive motor 1. The door connecting device 7 is connected to the inner side of the door system 9.

[0025] The lower end of the walk-in humidity-temperature alternation test box 11 is fixedly connected with a base 4 .

[0026] A pneumatic unlocking device 10 is provided on one side of the lower hinge 13 , a guide rail 15 is provided on one side of the pneumatic unlocking device 10 , the upper hinge 14 , the middle hinge 12 , the lower hinge 13 and the guide rail 15 are slidably connected, and the guide rail 15 is fixedly connected to the test bench 8 .

[0027] A speed control box 6 is fixedly connected to the side wall of the walk-in wet temperature alternating test chamber 11. The speed control box 6 controls the rotation speed of the motor and the opening and closing speed of the door. It is composed of a PLC controller and an alarm. The PLC control program controls the start and stop of the drive motor 1 and counts the number of door openings and closings. It can automatically shut down when a fault occurs.

[0028] The lower end of the driving motor 1 is fixedly connected with a supporting base 3 .

[0029] Working principle: install the door system and the door hinges at the corresponding position, and place them in a walk-in wet temperature alternating test chamber for testing. The driving mode is driven by a driving motor 1, and the rotary motion of the driving motor 1, the driving rod 5, and the reciprocating motion mechanism 2 are converted into linear motion. One side of the driving rod 5 is fixedly connected to the door connecting device 7, which can drive the door structures on both sides to reciprocate. During the reciprocating motion of the door, the upper hinge 14, the middle hinge 12, and the lower hinge 13 can reciprocate on the inner side of the guide rail 15 to simulate the work of the door hinge. When the test is performed, it is tested inside the walk-in wet temperature alternating test chamber 11, so that it can realize the temperature and humidity alternating durability test of the automobile sliding door hinge.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A temperature and humidity alternating durability test device for automobile sliding door hinges, comprising a walk-in humidity and temperature alternating test chamber (11), characterized in that: A test bench (8) is arranged inside the walk-in wet temperature alternation test box (11), and two door systems (9) are symmetrically arranged on the side wall of the test bench (8). The inner side of the door system (9) is respectively provided with an upper hinge (14), a middle hinge (12), and a lower hinge (13) from top to bottom. A drive motor (1) is arranged on one side of the walk-in wet temperature alternation test box (11), and a reciprocating mechanism (2) is arranged on one side of the drive motor (1). The reciprocating mechanism (2) is fixedly connected to the output end of the drive motor (1), and a drive rod (5) is fixedly connected to one side of the reciprocating mechanism (2). The drive rod (5) is communicated with the inner side of the walk-in wet temperature alternation test box (11), and a door connecting device (7) is arranged on the side of the drive rod (5) away from the drive motor (1), and the door connecting device (7) is connected to the inner side of the door system (9).

2. The temperature and humidity alternating durability test device for automobile sliding door hinges according to claim 1, characterized in that: The lower end of the walk-in humidity-temperature alternation test box (11) is fixedly connected to a base (4).

3. The temperature and humidity alternating durability test device for automobile sliding door hinges according to claim 1, characterized in that: A pneumatic unlocking device (10) is provided on one side of the lower hinge (13), a guide rail (15) is provided on one side of the pneumatic unlocking device (10), the upper hinge (14), the middle hinge (12), the lower hinge (13) and the guide rail (15) are slidably connected, and the guide rail (15) is fixedly connected to the test bench (8).

4. The temperature and humidity alternating durability test device for automobile sliding door hinges according to claim 1, characterized in that: A speed control box (6) is fixedly connected to the side wall of the walk-in humidity-temperature alternation test box (11).

5. The temperature and humidity alternating durability test device for automobile sliding door hinges according to claim 1, characterized in that: The lower end of the driving motor (1) is fixedly connected to a support seat (3).

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