Safety belt emergency disconnecting device

Abstract

The invention discloses a safety belt emergency disconnecting device, and relates to the technical field of driving emergency disposal. The device comprises a mounting box, a mounting cavity is formed in the mounting box; a belt penetrating opening for a safety belt to penetrate through is formed in the mounting box in the front-back direction in a penetrating mode. The belt penetrating opening penetrates through the left side of the mounting cavity; a sliding groove communicating with the mounting cavity is formed in the upper side of the mounting shell in the left-right direction. A cutting control assembly is arranged on the right side of the mounting cavity. The cutting control assembly comprises a push block connected with the sliding groove in a sliding mode. A triangular cutting knife is arranged below the push block; the cutting knife is arranged in the mounting cavity; the upper end of the cutter is connected with the push block through a movable piece; the lower end of the blade part of the cutting knife is positioned on the right side of the upper end of the blade part; and the lower end of the blade of the cutter is lower than the lower side of the threading port. The safety belt has the beneficial effects that the safety belt is integrated with the safety belt, so that the safety belt can be quickly applied in an emergency state, and the emergency treatment efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of driving emergency handling, and particularly relates to a seat belt emergency disconnection device. Background Art

[0002] As an important passive safety device, the seat belt protects the occupants by restricting the displacement of the human body under normal conditions. However, in extreme emergency situations, it may pose a risk of being trapped due to structural damage or jamming. At this time, emergency cutting becomes the key means of escape. Especially in serious accidents such as when the seat belt wraps around the neck and causes breathing obstruction, or the vehicle falls into water and catches fire, it is necessary to quickly cut the seat belt emergently.

[0003] Traditional cutting knives are usually placed separately in the vehicle and are in a separated state from the seat belt. When it is necessary to cut the seat belt, it is necessary to find and take it out before the cutting operation can be carried out. However, after an accident occurs, the vehicle occupants are prone to restricted movement. Coupled with the fact that the accident easily causes the vehicle to deform and the items in the vehicle to roll, this externally placed cutting knife is instead prone to being unable to be smoothly obtained when needed, resulting in insufficient practicality. Summary of the Invention

[0004] The technical problem to be solved by the present invention is, aiming at the above-mentioned existing technical deficiencies, to provide a seat belt emergency disconnection device which is integrally arranged with the seat belt, facilitating quick application in an emergency state and improving the efficiency of emergency handling.

[0005] The technical solution adopted by the present invention is: to provide a seat belt emergency disconnection device, including an installation box; an installation cavity is arranged inside the installation box; a belt passing opening for passing the seat belt is formed through the installation box in the front-rear direction; the belt passing opening penetrates through the left side of the installation cavity; a sliding groove communicating with the installation cavity is formed on the upper side of the installation shell in the left-right direction; a cutting control component is arranged on the right side of the installation cavity;

[0006] The cutting control component includes a pushing block slidably connected to the sliding groove; a triangular cutting knife is arranged below the pushing block; the cutting knife is arranged inside the installation cavity; the upper end of the cutting knife is connected to the pushing block through a movable member; the cutting edge of the cutting knife is inclined towards the belt passing opening, and the lower end of the cutting edge of the cutting knife is on the right side of the upper end of the cutting edge; the lower end of the cutting edge of the cutting knife is lower than the lower side of the belt passing opening.

[0007] To further optimize the technical solution, the belt passing opening of the seat belt emergency disconnection device passes through the left end of the installation box; a sealing plate for sealing the left end of the belt passing opening is correspondingly hinged on the installation box; the sealing plate is connected to the installation box through a locking screw.

[0008] To further optimize this technical solution, the installation cavity of the seat belt emergency disconnection device is located at the front side of the installation box; a slot is vertically opened along the upper edge of the belt-passing opening at the rear side of the installation box; a pressing block for pressing on the seat belt is slidably inserted into the slot; the upper end of the pressing block is rotatably connected to a vertically arranged adjusting bolt; the adjusting bolt is threadedly inserted into the slot from the upper end of the installation box.

[0009] To further optimize this technical solution, the moving part of the seat belt emergency disconnection device includes a hinge connected to the left side of the upper end of the cutter and a compression spring provided on the right side of the upper end of the cutter; the compression spring connects the cutter and the push block.

[0010] To further optimize this technical solution, a breaking strip is fixed to the right end of the installation box of the seat belt emergency disconnection device; the breaking strip and the push block are connected by an easily torn strip; the connection of the easily torn strip is used to position the push block at the right end of the sliding groove.

[0011] To further optimize this technical solution, a finger-pulling block is fixed to the upper end of the push block of the seat belt emergency disconnection device.

[0012] The beneficial effects of the present invention are as follows:

[0013] By passing the seat belt through the belt-passing opening, the disconnection device can be integrally connected to the seat belt. When it is necessary to cut the seat belt emergently in case of an accident, there is no need to search separately, which greatly saves time and improves safety.

[0014] By sliding the push block along the sliding groove, the cutter can be driven to move along the direction of the belt-passing opening, so that the cutter cuts the seat belt; the cutting edge of the cutter is inclined towards the belt-passing opening, and the lower end of the cutting edge of the cutter is on the right side of the upper end of the cutting edge. The setting of the direction of the cutting edge of the cutter can reduce the resistance when the cutter cuts the seat belt and make the cutting process smoother; the lower end of the cutting edge of the cutter is lower than the lower side of the belt-passing opening, which can ensure that the seat belt is completely cut by the cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the present invention;

[0016] Figure 2 is an exploded structural schematic diagram of the interior of the installation box.

[0017] In the figure, 1. Installation box; 2. Installation cavity; 3. Belt-passing opening; 4. Sliding groove; 5. Push block; 6. Cutter; 7. Sealing plate; 8. Locking screw; 9. Slot; 10. Pressing block; 11. Adjusting bolt; 12. Hinge; 13. Compression spring; 14. Breaking strip; 15. Easily torn strip; 16. Finger-pulling block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0019] AsFigure 1-2 As shown in the figure, a seat belt emergency disconnection device includes an installation box 1; an installation cavity 2 is provided inside the installation box 1; a belt passing opening 3 for passing the seat belt is provided through the installation box 1 in the front-rear direction; the belt passing opening 3 penetrates from the left side of the installation cavity 2; a chute 4 communicating with the installation cavity 2 is provided on the upper side of the installation shell in the left-right direction; a cutting control assembly is provided on the right side of the installation cavity 2.

[0020] As Figure 2 shown in the figure, the cutting control assembly includes a push block 5 slidably connected to the chute 4; a triangular cutting knife 6 is provided below the push block 5; the cutting knife 6 is arranged in the installation cavity 2; the upper end of the cutting knife 6 is connected to the push block 5 through a movable member; the cutting edge of the cutting knife 6 is inclined towards the belt passing opening 3, and the lower end of the cutting edge of the cutting knife 6 is on the right side of the upper end of the cutting edge; the lower end of the cutting edge of the cutting knife 6 is lower than the lower side of the belt passing opening 3.

[0021] This device is integrally provided with the seat belt. Different from external cutting devices, it will not be unable to obtain the cutting device smoothly due to space obstruction, item dropping, etc. after an accident, greatly improving safety and reliability in use.

[0022] During operation, only need to move the installation box 1 along the seat belt to a position convenient for operation along the direction of the seat belt. Then the operator pushes the push block 5 to slide along the chute 4, and the cutting knife 6 can gradually pass through the belt passing opening 3, so as to gradually cut the seat belt along the radial direction of the seat belt, realizing the emergency cutting treatment of the seat belt.

[0023] The angle of the cutting knife 6 is set to a specific inclined shape. When cutting the seat belt, this inclined state makes the cutting knife 6 cut across the seat belt more smoothly and labor-savingly, and it is not easy to have the problem of "jamming the knife", so that the seat belt can be cut more smoothly.

[0024] As Figure 1 shown in the figure, the belt passing opening 3 passes through the left end of the installation box 1; a sealing plate 7 for sealing the left end of the belt passing opening 3 is correspondingly hinged on the installation box 1; the sealing plate 7 is connected to the installation box 1 through a locking screw 8.

[0025] By removing the sealing of the belt passing opening 3 through the sealing plate 7, it is convenient to install and remove this device from the seat belt, facilitating the convenient installation of this device on the seat belt.

[0026] As Figure 2 shown in the figure, the installation cavity 2 is located at the front side of the installation box 1; a slot 9 is vertically opened at the upper end of the belt passing opening 3 at the rear side of the installation box 1; a pressing block 10 for pressing on the seat belt is slidably inserted in the slot 9; the upper end of the pressing block 10 is rotatably connected to a vertically arranged adjusting bolt 11; the adjusting bolt 11 is threaded into the slot 9 from the upper end of the installation box 1.

[0027] By controlling the adjusting bolt 11, the pressing block 10 can be driven to move along the slot 9, so that the pressing block 10 presses on the safety belt, and the fixation of the safety belt to the mounting box 1 can be achieved. In this fixed state, the operator can cut the safety belt with only one hand, which greatly improves the convenience of first aid when the actions of vehicle passengers are hindered.

[0028] As Figure 2 shown, the movable part includes a hinge 12 connected to the left side of the upper end of the cutter 6 and a compression spring 13 arranged on the right side of the upper end of the cutter 6; the compression spring 13 connects the cutter 6 and the push block 5.

[0029] With the hinge connection of the hinge 12 and the elastic connection between the compression spring 13 and the cutter 6, there can be a certain margin for changing the inclination angle of the cutter 6. For different weaving methods of the safety belt, when cutting smoothly, the inclination angle of the cutter 6 is slightly different. Therefore, this setting enables the inclination angle of the cutter 6 to more effectively adapt to safety belts with different weaving treatments, which is beneficial to the cutting treatment of various safety belts.

[0030] As Figure 1 shown, a breaking strip 14 is fixed to the right end of the mounting box 1; the breaking strip 14 and the push block 5 are connected by an easily torn strip 15; the connection of the easily torn strip 15 is used to position the push block 5 at the right end of the chute 4. Before use, due to the connection effect of the breaking strip 14 and the easily torn strip 15, it can prevent the cutter 6 from accidentally cutting and damaging the safety belt during normal use, improving safety. When it is necessary to use, just slightly tear the connection between the easily torn strip 15 and the breaking strip 14 to release the locking of the push block 5, and then normal cutting operations can be carried out.

[0031] A finger-pulling block 16 is fixed to the upper end of the push block 5. It is more convenient for the operator to operate through the finger-pulling block 16.

[0032] It can be understood that the present invention is described through some embodiments. As is known to those skilled in the art, without departing from the spirit and scope of the present invention, various changes or equivalent replacements can be made to these features and embodiments. Additionally, under the teaching of the present invention, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. An emergency disconnection device for a seat belt, characterized in that: It includes an installation box (1); an installation cavity (2) is arranged inside the installation box (1); the installation box (1) is provided with a belt-passing opening (3) penetrating in the front-back direction for passing through a seat belt; the belt-passing opening (3) penetrates through from the left side of the installation cavity (2); a chute (4) communicating with the installation cavity (2) is arranged on the upper side of the installation shell in the left-right direction; a cutting control component is arranged on the right side of the installation cavity (2). The cutting control component includes a push block (5) slidably connected to the chute (4); a triangular cutting knife (6) is arranged below the push block (5); the cutting knife (6) is arranged inside the installation cavity (2); the upper end of the cutting knife (6) is connected to the push block (5) through a movable part; the blade part of the cutting knife (6) is inclined towards the belt-passing opening (3), and the lower end of the blade part of the cutting knife (6) is on the right side of the upper end of the blade part; the lower end of the blade part of the cutting knife (6) is lower than the lower side of the belt-passing opening (3).

2. The seat belt emergency disconnection device according to claim 1, characterized in that: The belt-passing opening (3) penetrates through the left end of the installation box (1); a sealing plate (7) for sealing the left end of the belt-passing opening (3) is correspondingly hinged on the installation box (1); the sealing plate (7) is connected to the installation box (1) through a locking screw (8).

3. The seat belt emergency disconnection device according to claim 1, wherein: The installation cavity (2) is located at the front side of the installation box (1); a slot (9) is vertically opened at the upper end of the belt-passing opening (3) at the rear side of the installation box (1); a pressing block (10) for pressing on the seat belt is slidably inserted into the slot (9); the upper end of the pressing block (10) is rotatably connected with a vertically arranged adjusting bolt (11); the adjusting bolt (11) is threadedly inserted into the slot (9) from the upper end of the installation box (1).

4. The seat belt emergency disconnection device according to claim 1, characterized in that: The movable part includes a hinge (12) connected to the left side of the upper end of the cutting knife (6) and a compression spring (13) arranged on the right side of the upper end of the cutting knife (6); the compression spring (13) connects the cutting knife (6) and the push block (5).

5. The seat belt emergency disconnection device according to claim 4, characterized in that: A breaking strip (14) is fixed to the right end of the installation box (1); the breaking strip (14) and the push block (5) are connected through an easily torn strip (15); the connection of the easily torn strip (15) is used to position the push block (5) at the right end of the chute (4).

6. The seat belt emergency disconnection device according to claim 4, characterized in that: A finger-pulling block (16) is fixed to the upper end of the push block (5).

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