CN218493400U

CN218493400U - Mechanical automatic anti-clamping device

Info

Publication number: CN218493400U
Application number: CN202220967860.2U
Authority: CN
Inventors: 石东妮; 马国清; 王震; 赵亚如; 杨亚奇; 刘昕; 潘宇聪; 张旭凯
Original assignee: Yantai University
Current assignee: Yantai University
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2023-02-17
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a teaching equipment field especially relates to an automatic anti-pinch device of mechanical type. Automatic anti-pinch device of mechanical type includes: the middle part of the inner wall of the platform is fixedly provided with an installation frame; the positioning blocks are symmetrically and fixedly arranged on one side of the platform; the limiting block is symmetrically and fixedly installed at the top of one end, far away from the positioning block, of the platform, a door body is installed between the positioning block and the limiting block in a sliding mode, a limiting column is fixedly installed at the position, corresponding to the limiting block, of the door body, and the limiting column is connected with the limiting block in a sliding mode. The utility model provides an automatic anti-pinch device of mechanical type closes the in-process to the door body, and the door body reaches after the position of closing the department, and the motor still is operating, and the triggering of external force reaches the threshold value of spring, and compression spring then the rubber track can lift up, and then cancel friction wheel pair rubber track's extrusion, and then realize cutting off the power supply, realizes the stop motion of the door body, and then realizes people's protection.

Description

Mechanical automatic anti-clamping device

Technical Field

The utility model relates to a teaching equipment field especially relates to an automatic anti-pinch device of mechanical type.

Background

Multimedia equipment has been popularized in various classes, multimedia equipment such as a desktop computer and the like is placed in a platform, the multimedia equipment is used, when the existing platform is used, the sliding door is opened and closed by driving the operation of a gear rack and a screw nut through a motor, the starting and stopping control modes of the multimedia equipment depend on electronic equipment control, no control signal is used for stopping the sliding door, the sliding door can run all the time, the danger of clamping human bodies or damaging the equipment easily occurs during the period, the existing common solution mode is to control the interruption signal of safety protection by adding a sensor, but the mode can not realize the detection control of the whole sliding door, and the integrated detection control of the sliding door can be used as supplement and upgrade of the existing safety protection device.

Therefore, there is a need to provide a new mechanical automatic anti-pinch device to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can carry out the automatic anti-pinch device of mechanical type who cuts off of power transmission to driving power source position.

The utility model provides an automatic anti-pinch device of mechanical type includes:

the middle part of the inner wall of the platform is fixedly provided with an installation frame;

the positioning blocks are symmetrically and fixedly arranged on one side of the platform;

the limiting blocks are symmetrically and fixedly arranged at the top of one end, away from the positioning block, of the platform, a door body is arranged between the positioning block and the limiting blocks in a sliding mode, a limiting column is fixedly arranged at the position, corresponding to the limiting block, of the door body, the limiting column is connected with the inner portion of the limiting block in a sliding mode, a positioning sliding block is fixedly arranged at the position, corresponding to the positioning block, of the door body, and the positioning sliding block is connected with the positioning block in a sliding mode;

and the anti-clamping device is fixedly arranged between the platform and the mounting rack. In the moving process of the door body, the door body slides along the limiting blocks and the insides of the limiting blocks to limit the door body, and the door body is moved and protected by the anti-clamping device.

Preferably, the anti-pinch device includes:

the fixing frame is symmetrically and fixedly arranged at one end of the mounting frame, a motor is fixedly arranged at one end of the fixing frame, and a friction wheel is fixedly arranged at the output end of the motor;

the guide block is symmetrically arranged at one end, close to the limiting column, of the door body, screws and double-end studs are symmetrically arranged between the top of the guide block and the door body respectively, and an arc-shaped sliding groove is formed in the middle of the guide block;

the rubber track is slidably arranged between the two guide blocks, sliding columns are symmetrically and fixedly arranged at two ends of the rubber track, and the sliding columns are slidably connected with the arc-shaped sliding grooves;

and the spring is fixedly installed at one end of the sliding column, and one end, far away from the sliding column, of the spring is fixedly connected with the inner wall of the door body. When the device is installed, four screws are preassembled firstly, then the stud is rotated through a line wrench, the stud moves upwards, the lower guide block moves downwards, the pre-tightening of the guide block is realized, then the four screws are screwed down to realize the installation of the guide block, during normal operation, the door body reaches the position of a closed position, the motor still operates, the triggering of external force reaches the threshold value of the spring, the spring is compressed, the rubber track can be lifted, the extrusion of the friction wheel to the rubber track is further cancelled, and then the power source is cut off.

Preferably, the motor is a speed reduction motor. The rotation strength of the friction wheel is improved.

Preferably, the two ends of the sliding column are tightly attached to the arc sliding grooves to slide. The stability of sliding of traveller in arc spout is improved.

Preferably, a rubber pad is fixedly mounted at the bottom of the rubber track. The friction coefficient between the friction wheel and the rubber track is improved, and the moving transmission force of the door body is improved.

Preferably, the limiting columns and the limiting blocks are tightly attached to and slide between the positioning sliding blocks and the positioning blocks. The stability of door body removal is improved.

Compared with the prior art, the utility model provides an automatic anti-pinch device of mechanical type has following beneficial effect:

the utility model provides an automatic anti-pinch device of mechanical type closes the in-process to the door body, it rotates to drive the friction pulley through the motor, will drive the orbital removal of rubber through friction pulley and the orbital friction of rubber, through the extrusion of traveller to the lower end of arc spout and two springs to the orbital removal of driving the door body of extrusion of rubber, the door body will slide along the inside of stopper and stopper this moment, the realization is spacing to the door body, the door body reaches the position of closing the department, the motor is still in the function, the triggering of external force reaches the threshold value of spring, compression spring, then the rubber track can be lifted, and then cancel the orbital extrusion of friction wheel pair rubber, and then realize cutting off the power supply, realize the stop motion of the door body, and then realize the protection to people.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the mechanical automatic anti-pinch device according to the present invention;

FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;

FIG. 3 is a second partial cross-sectional view of the structure shown in FIG. 1;

FIG. 4 is a schematic illustration of the exploded structure shown in FIG. 1;

FIG. 5 is one of the partial schematic structures shown in FIG. 1;

FIG. 6 is a second partial schematic view of the structure shown in FIG. 1;

fig. 7 is an enlarged view of a portion a in fig. 6.

The reference numbers in the figures: 1. a platform; 2. a mounting frame; 3. positioning blocks; 4. a limiting block; 5. a door body; 6. a limiting column; 7. positioning the sliding block; 8. an anti-pinch device; 81. a fixed mount; 82. a motor; 83. a friction wheel; 84. a guide block; 85. a screw; 86. a stud; 87. an arc-shaped chute; 88. a rubber track; 89. a traveler; 810. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a mechanical automatic anti-pinch device, which includes:

the platform comprises a platform 1, wherein an installation frame 2 is fixedly installed in the middle of the inner wall of the platform 1, and the installation frame 2 is used for placing multimedia equipment;

the positioning blocks 3 are symmetrically and fixedly arranged on one side of the platform 1;

the limiting block 4 is symmetrically and fixedly installed at the top of one end, away from the positioning block 3, of the platform 1, a door body 5 is installed between the positioning block 3 and the limiting block 4 in a sliding mode, a limiting column 6 is fixedly installed at the position, corresponding to the limiting block 4, of the door body 5, the limiting column 6 is connected with the inside of the limiting block 4 in a sliding mode, a positioning sliding block 7 is fixedly installed at the position, corresponding to the positioning block 3, of the door body 5, and the positioning sliding block 7 is connected with the positioning block 3 in a sliding mode;

and the anti-clamping device 8 is fixedly arranged between the platform 1 and the mounting rack 2.

It should be noted that: in the moving process of the door body 5, the door body 5 slides along the limiting block 4 and the limiting block 4 to limit the door body 5, and the door body 5 is moved and protected by the anti-clamping device 8.

In an embodiment of the present invention, please refer to fig. 1 to 7, the anti-clamping device 8 includes:

the fixing frame 81 is symmetrically and fixedly arranged at one end of the mounting frame 2, one end of the fixing frame 81 is fixedly provided with a motor 82, and the output end of the motor 82 is fixedly provided with a friction wheel 83;

the guide block 84 is symmetrically arranged at one end, close to the limiting column 6, of the door body 5, a screw 85 and a stud 86 are symmetrically arranged between the top of the guide block 84 and the door body 5 respectively, and an arc-shaped sliding groove 87 is formed in the middle of the guide block 84;

the rubber track 88 is slidably arranged between the two guide blocks 84, sliding columns 89 are symmetrically and fixedly arranged at two ends of the rubber track 88, and the sliding columns 89 are slidably connected with the arc-shaped sliding grooves 87;

the spring 810 is fixedly installed at one end of the sliding column 89, and one end, far away from the sliding column 89, of the spring 810 is fixedly connected with the inner wall of the door body 5;

it should be noted that: when the device is installed, the four screws 85 are preassembled, the stud 86 is rotated through a line wrench, the stud 86 moves upwards, the lower guide block 84 moves downwards to realize pre-tightening of the guide block 84, then the four screws 85 are tightened to realize installation of the guide block 84, the motor 82 drives the friction wheel 83 to rotate in the closing process of the door body 5, the friction between the friction wheel 83 and the rubber track 88 drives the rubber track 88 to move, the sliding column 89 extrudes the lowest end of the arc sliding chute 87 and the two springs 810 extrude the rubber track 88 to drive the door body 5 to move, the door body 5 reaches the position of a closed position, the motor 82 is still operated, the triggering of external force reaches the threshold value of the springs 810, the spring 810 is compressed, the rubber track 88 can be lifted, the extrusion of the friction wheel 83 on the rubber track 88 is further cancelled, the power source is cut off, the stop movement of the door body 5 is realized, and the protection of people is further realized.

In an embodiment of the present invention, please refer to fig. 1 to 7, the motor 82 is a speed reduction motor;

it should be noted that: the rotational strength of the friction wheel 83 is improved.

In the embodiment of the present invention, please refer to fig. 1 to 7, two ends of the sliding column 89 are closely attached to the arc chute 87 for sliding;

it should be noted that: the stability of the sliding of the slide post 89 inside the arc chute 87 is improved.

In an embodiment of the present invention, please refer to fig. 1 to 7, a rubber pad is fixedly installed at the bottom of the rubber track 88;

it should be noted that: the friction coefficient between the friction wheel 83 and the rubber rail 88 is increased, and the movement transmission force of the door body 5 is increased.

In the embodiment of the present invention, please refer to fig. 1 to 7, the spacing column 6 and the spacing block 4 slide with the positioning block 7 and the positioning block 3 in close contact;

it should be noted that: the stability of door 5 removal is improved.

The utility model provides an automatic anti-pinch device of mechanical type's theory of operation as follows: when the device is installed, four screws 85 are preassembled, then the stud 86 is rotated through a line wrench, the stud 86 moves upwards, the lower guide block 84 moves downwards to realize pre-tightening of the guide block 84, then the four screws 85 are tightened to realize installation of the guide block 84, in the closing process of the door body 5, the motor 82 drives the friction wheel 83 to rotate, the friction between the friction wheel 83 and the rubber track 88 drives the rubber track 88 to move, the sliding column 89 extrudes the lowest end of the arc sliding chute 87 and the two springs 810 extrude the rubber track 88 to drive the door body 5 to move, at the moment, the door body 5 slides along the inner parts of the limit block 4 and the limit block 4 to realize limiting of the door body 5, the door body 5 reaches the position of the closing position, the motor 82 still operates, the external force triggers to reach the threshold value of the springs 810, the springs 810 are compressed, the rubber track 88 can be lifted, the extrusion of the friction wheel 83 on the rubber track 88 is cancelled, the power source is cut off, stopping movement of the door body 5 is realized, and people protection is realized.

The utility model discloses in circuit and control that relate to be prior art, do not carry out too much repeated description here.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic anti-pinch device of mechanical type which characterized in that includes:

the platform comprises a platform (1), wherein a mounting frame (2) is fixedly mounted in the middle of the inner wall of the platform (1);

the positioning blocks (3) are symmetrically and fixedly arranged on one side of the platform (1);

the limiting block (4) is symmetrically and fixedly installed at the top of one end, away from the positioning block (3), of the platform (1), a door body (5) is installed between the positioning block (3) and the limiting block (4) in a sliding mode, a limiting column (6) is fixedly installed at the position, corresponding to the limiting block (4), of the door body (5), the limiting column (6) is connected with the inside of the limiting block (4) in a sliding mode, a positioning sliding block (7) is fixedly installed at the position, corresponding to the positioning block (3), of the door body (5), and the positioning sliding block (7) is connected with the positioning block (3) in a sliding mode;

and the anti-clamping device (8) is fixedly arranged between the platform (1) and the mounting rack (2).

2. Automatic anti-pinch device of the mechanical type according to claim 1, characterized in that the anti-pinch device (8) comprises:

the fixing frame (81) is symmetrically and fixedly arranged at one end of the mounting frame (2), one end of the fixing frame (81) is fixedly provided with a motor (82), and the output end of the motor (82) is fixedly provided with a friction wheel (83);

the guide block (84) is symmetrically arranged at one end, close to the limiting column (6), of the door body (5), screws (85) and double-end studs (86) are symmetrically arranged between the top of the guide block (84) and the door body (5) respectively, and an arc-shaped sliding groove (87) is formed in the middle of the guide block (84);

the rubber track (88) is slidably mounted between the two guide blocks (84), sliding columns (89) are symmetrically and fixedly mounted at two ends of the rubber track (88), and the sliding columns (89) are slidably connected with the arc-shaped sliding grooves (87);

and the spring (810) is fixedly installed at one end of the sliding column (89), and one end, far away from the sliding column (89), of the spring (810) is fixedly connected with the inner wall of the door body (5).

3. The automatic mechanical anti-pinch device according to claim 2, characterized in that the motor (82) is a speed reduction motor.

4. The mechanical automatic anti-pinch device as claimed in claim 2, wherein the two ends of the sliding column (89) are closely attached to and slide along the arc-shaped sliding grooves (87).

5. The mechanical automatic anti-pinch device as claimed in claim 2, wherein a rubber pad is fixedly mounted on the bottom of the rubber rail (88).

6. The mechanical automatic anti-pinch device according to claim 1, wherein the limiting columns (6) and the limiting blocks (4) are closely attached to and slide between the positioning sliders (7) and the positioning blocks (3).