CN221006783U - Fatigue testing machine for opening and closing of vehicle door - Google Patents

Abstract

The utility model discloses a fatigue tester for opening and closing a vehicle door, which comprises an underframe, a test door body and a transverse plate, wherein a door frame is fixed on the upper surface of the underframe, the test door body is arranged on the inner side of the door frame, a door handle is fixed on the front side surface of the test door body, a mounting frame is fixed on the underframe, a manual telescopic rod is fixed in the mounting frame, an electric telescopic rod is fixed on the rear side surface of the front frame, a rubber ball is fixed at the output end of the electric telescopic rod, a reverse screw rod is rotatably arranged in the middle of the transverse plate, and a clamping plate is connected with the outer end of the reverse screw rod in a threaded manner. This door switching fatigue testing machine utilizes rolling and the electric telescopic handle and the rubber ball of rope to make the test door body rotate back and forth, carries out the switching fatigue test of door frame, and in the test process, utilizes the rubber gyro wheel to avoid the test door body to be bumped at the rotation in-process, and 2 rubber gyro wheels around can support the test door body when the test door body reaches the fatigue limit and falls down.

Description

Fatigue testing machine for opening and closing of vehicle door

Technical Field

The utility model relates to the technical field of automobile accessory testing, in particular to a fatigue testing machine for opening and closing of a vehicle door.

Background

Consumers are increasingly paying attention to the quality of automobiles, the quality of relevant accessories of automobile bodies directly influences the overall quality of automobiles, and when automobiles are produced, the relevant automobile bodies need to be tested, wherein the open-close fatigue test of the automobile doors is particularly important;

The prior door opening and closing fatigue testing machine is inconvenient to support the door frame when the door frame falls down to the fatigue limit in the testing process, for example, the Chinese patent publication No. CN205785792U discloses a door opening and closing durability testing device which has the characteristics of simple structure, reliable performance, low cost, easy implementation and the like, and only is provided with a member for circularly and reciprocally closing and opening the testing door body, and the testing door body cannot be supported when the testing door body falls down, so that the door opening and closing fatigue testing machine is provided for solving the problems.

Disclosure of utility model

The utility model aims to provide a fatigue testing machine for opening and closing a vehicle door, which is used for carrying out fatigue testing on the opening and closing of the test door body by utilizing the winding of a rope, an electric telescopic rod and a rubber ball to enable the test door body to rotate forwards and backwards, wherein in the testing process, the rubber rollers are used for avoiding the test door body from being bumped in the rotating process, and the front and rear groups of rubber rollers can support the test door body when the test door body reaches the fatigue limit and falls down.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fatigue testing machine for opening and closing a vehicle door comprises a chassis, a testing door body and a transverse plate:

A door frame is fixed on the upper surface of the underframe;

the test door body is arranged on the inner side of the door frame, and the front side surface of the test door body is fixed with a door handle;

The novel telescopic lifting device is characterized in that a mounting frame is fixed on the underframe, a manual telescopic rod is fixed in the mounting frame, a front frame is fixed at the output end of the manual telescopic rod, a rubber roller is fixed at the left end of the front frame, a motor is fixed at the left side of the front frame, a vertical rod is fixed at the output end of the motor, a rope is coiled at the outer end of the vertical rod, an electric telescopic rod is fixed at the rear side surface of the front frame, and a rubber ball is fixed at the output end of the electric telescopic rod;

the middle part of diaphragm rotates installs reverse lead screw, the outer end threaded connection of reverse lead screw has the grip block.

Preferably, one end of the rope far away from the vertical rod is connected with a transverse plate, and the rope is bound on the transverse plate.

Preferably, the rear end of the transverse plate is provided with a sliding groove, and the sliding groove at the rear end of the transverse plate is internally provided with the front end of the clamping plate.

Preferably, the right end longitudinal section of the reverse screw rod is of a T-shaped structure, and the clamping plate and the transverse plate form a sliding structure through the reverse screw rod.

Preferably, the inner side surface of the clamping plate is tightly attached to the outer side surface of the door handle.

Preferably, the rear end of the mounting frame is provided with a rubber roller.

Compared with the prior art, the utility model has the beneficial effects that: according to the fatigue testing machine for opening and closing the vehicle door, the test door body rotates forwards and backwards by utilizing the winding of the rope, the electric telescopic rod and the rubber ball, the fatigue testing for opening and closing the test door body is carried out, in the testing process, the test door body is prevented from being bumped in the rotating process by utilizing the rubber roller, and the front and rear 2 groups of rubber rollers can support the test door body when the test door body reaches the fatigue limit and falls down;

1. The test door body is provided with a motor, a vertical rod, a rope, an electric telescopic rod and a rubber ball, wherein the motor drives the vertical rod to rotate anticlockwise, so that the rope is wound, the test door body is pulled forwards, then the motor drives the vertical rod to rotate clockwise, the rope is put down, the electric telescopic rod drives the rubber ball to move backwards, the test door body is pushed to rotate backwards, the test door body is made to rotate in a reciprocating mode, and the fatigue test of opening and closing of the test door body is completed;

2. The testing door body and the rubber rollers are arranged, the rubber rollers prevent the testing door body from being bumped in the rotation process, and the front and back 2 groups of rubber rollers can support the testing door body when the testing door body falls down to the fatigue limit.

Drawings

FIG. 1 is a schematic view of the front cut-away structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic diagram of the whole structure of the connection between the manual telescopic rod and the mounting frame.

In the figure: 1. a chassis; 2. a door frame; 3. testing the door body; 4. a door handle; 5. a mounting frame; 6. a manual telescopic rod; 7. a front frame; 8. rubber rollers; 9. a motor; 10. a vertical rod; 11. a rope; 12. an electric telescopic rod; 13. rubber balls; 14. a cross plate; 15. a reverse screw rod; 16. and a clamping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fatigue test machine is opened and closed to door, including chassis 1, door frame 2, test door body 3, door handle 4, mounting bracket 5, manual telescopic link 6, preceding frame 7, rubber gyro wheel 8, motor 9, montant 10, rope 11, electric telescopic link 12, rubber ball 13, diaphragm 14, reverse lead screw 15 and grip block 16, as shown in fig. 1, door frame 2 is fixed to the upper surface of chassis 1, test door body 3 is installed in the inboard of door frame 2, the front side of test door body 3 is fixed with door handle 4, as shown in fig. 3, place grip block 16 in the outside of door handle 4, then hold reverse lead screw 15 right-hand member "T" style of calligraphy structure, manual rotatory reverse lead screw 15, make the grip block 16 inwards move with reverse lead screw 15 threaded connection, thereby the medial surface of grip block 16 is closely laminated with the lateral surface of door handle 4, and then through controlling 2 sets of grip blocks 16 and fixing door handle 4, grip block 16 slides in the spout that the lateral plate 14 rear end is seted up, limit the orbit of grip block 16 through diaphragm 14;

the underframe 1 is fixedly provided with a mounting frame 5, a manual telescopic rod 6 is fixed in the mounting frame 5, a front frame 7 is fixed at the output end of the manual telescopic rod 6, and the manual telescopic rod 6 is telescopic, so that the height of the front frame 7 is adjusted;

In the testing process, a motor 9 fixed on the left side of the front frame 7 is opened, the motor 9 drives a vertical rod 10 to rotate, so that a rope 11 is wound, as shown in fig. 2 and 3, as one end of the rope 11 far away from the vertical rod 10 is connected with a transverse plate 14, the transverse plate 14 moves forwards along with winding of the rope 11, so that a testing door body 3 indirectly connected with the transverse plate 14 rotates forwards, as shown in fig. 2 and 4, an electric telescopic rod 12 is fixed on the rear side surface of the front frame 7, a rubber ball 13 is fixed at the output end of the electric telescopic rod 12, and under the action of the electric telescopic rod 12, the rubber ball 13 pushes the testing door body 3 backwards, so that the testing door body 3 rotates backwards and reciprocates in sequence, and the opening and closing fatigue test of the testing door body is performed;

As shown in fig. 2, since the front and rear sides of the test door body 3 are provided with the rubber rollers 8, the rubber rollers 8 are used for anti-collision, when the test door body 3 falls down to the fatigue limit, the test door body 3 is supported by the rubber rollers 8 to ensure safety, so that a series of operations of the fatigue tester for opening and closing the vehicle door can be completed.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a door switching fatigue testing machine, includes chassis (1), test door body (3) and diaphragm (14), its characterized in that:

A door frame (2) is fixed on the upper surface of the underframe (1);

The test door body (3) is arranged on the inner side of the door frame (2), and a door handle (4) is fixed on the front side surface of the test door body (3);

The novel telescopic lifting device is characterized in that a mounting frame (5) is fixed on the underframe (1), a manual telescopic rod (6) is fixed in the mounting frame (5), a front frame (7) is fixed at the output end of the manual telescopic rod (6), a rubber roller (8) is fixed at the left end of the front frame (7), a motor (9) is fixed at the left side of the front frame (7), a vertical rod (10) is fixed at the output end of the motor (9), a rope (11) is coiled at the outer end of the vertical rod (10), an electric telescopic rod (12) is fixed at the rear side of the front frame (7), and a rubber ball (13) is fixed at the output end of the electric telescopic rod (12);

The middle part of diaphragm (14) rotates and installs reverse lead screw (15), the outer end threaded connection of reverse lead screw (15) has grip block (16).

2. The vehicle door opening and closing fatigue testing machine according to claim 1, wherein: one end of the rope (11) far away from the vertical rod (10) is connected with a transverse plate (14), and the rope (11) is bound on the transverse plate (14).

3. The vehicle door opening and closing fatigue testing machine according to claim 1, wherein: the rear end of the transverse plate (14) is provided with a sliding groove, and the front end of the clamping plate (16) is arranged in the sliding groove at the rear end of the transverse plate (14).

4. The vehicle door opening and closing fatigue testing machine according to claim 1, wherein: the right end longitudinal section of the reverse screw rod (15) is of a T-shaped structure, and the clamping plate (16) and the transverse plate (14) form a sliding structure through the reverse screw rod (15).

5. The vehicle door opening and closing fatigue testing machine according to claim 1, wherein: the inner side surface of the clamping plate (16) is tightly attached to the outer side surface of the door handle (4).

6. The vehicle door opening and closing fatigue testing machine according to claim 1, wherein: the rear end of the mounting frame (5) is provided with a rubber roller (8).