Simplified backrest unlocking mechanism

Abstract

The utility model relates to the technical field of electronic detonators, in particular to a civil electronic detonator initiation system and an encryption transmission method, and adopts a modular design, so that functional operation is more convenient, expandability is higher, and more blasting operation requirements can be met. The improved SM2 encryption algorithm improves the ability of an existing electronic detonator initiation system to resist information attacks, avoids the danger of illegally operating the detonator by forging a communication instruction, and avoids the danger of illegally operating the detonator within non-blasting operation time. Therefore, the problem that important blasting data information is intercepted and even tampered by lawbreakers to cause severe influence is solved.

Description

Technical Field

[0001] This utility model relates to the field of seat back technology, and in particular to a simplified seat back unlocking mechanism. Background Technology

[0002] For rear folding seats, there are generally two unlocking methods: one is to access the seat from the front of the seat via a shoulder handle through the rear door to adjust the seat; the other is to access the seat from the rear of the seat, after opening the tailgate, and adjust the seat while using the luggage compartment via a rear pull strap.

[0003] Currently, existing seat back adjustment structures are quite complex, making them inconvenient for large-scale production and resulting in high production costs. Utility Model Content

[0004] The purpose of this invention is to provide a simplified backrest unlocking mechanism, which aims to solve the problem that the adjustment steps of the existing backrest unlocking mechanism are relatively cumbersome.

[0005] To achieve the above objectives, this utility model provides a simplified backrest unlocking mechanism, including a backrest body and an unlocking mechanism, wherein the unlocking mechanism includes a pulling component, a mounting bracket, a rotating block, a locking block and a reset spring;

[0006] The pulling assembly is installed on one side of the backrest body. The mounting bracket is fixedly connected to the backrest body and located on one side of the backrest body. The rotating block is rotatably connected to the mounting bracket and connected to the pulling assembly, and is located on the mounting bracket. The snap-fit ​​block is rotatably connected to the mounting bracket and located on the side of the mounting bracket close to the rotating block. The reset spring is fixedly connected to the snap-fit ​​block and fixedly connected to the rotating block.

[0007] The pulling assembly includes a connecting frame, a transmission belt, a pull strap, and a pull cable. The connecting frame is installed on one side of the backrest body and is located on the backrest body. The transmission belt is installed on the connecting frame. The pull strap is fixedly connected to the transmission belt and is located on the transmission belt. The output end of the pull cable is fixedly connected to the transmission belt. The other output end of the pull cable is fixedly connected to the rotating block. The outer sleeve of the pull cable is fixedly connected to the backrest body.

[0008] The connecting frame includes a frame body and a guide cylinder. The frame body is fixedly connected to the backrest body and is located on one side of the backrest body. The guide cylinder is fixedly connected to the frame body and is located on one side of the frame body.

[0009] The unlocking mechanism further includes a rotating roller, which is rotatably connected to the frame and located on one side of the frame.

[0010] The unlocking mechanism also includes a limiting belt, which is fixedly connected to the backrest body and to the transmission belt.

[0011] This utility model discloses a simplified backrest unlocking mechanism, comprising a backrest body and an unlocking mechanism. The unlocking mechanism includes a pulling component, a mounting bracket, a rotating block, a locking block, and a return spring. The pulling component is mounted on one side of the backrest body. The mounting bracket is fixedly connected to the backrest body and located on one side of the backrest body. The rotating block is rotatably connected to the mounting bracket and connected to the pulling component, and located on the mounting bracket. The locking block is rotatably connected to the mounting bracket and located on the side of the mounting bracket closer to the rotating block. The return spring is fixedly connected to the locking block and also fixedly connected to the rotating block. The backrest body provides the installation conditions for the unlocking mechanism, and the mounting bracket provides the installation conditions for the rotating block and the locking block. When it is necessary to unlock the backrest body, the pulling component is pulled, which drives the rotating block to rotate on the mounting bracket. The rotating block drives the locking block to rotate in the opposite direction on the mounting bracket until the locking block rotates to the preset position, thus unlocking the backrest body. Releasing the pulling component allows the locking block to be reset by the return force of the reset spring, thereby solving the problem of the cumbersome adjustment steps of the existing backrest unlocking mechanism. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a structural schematic diagram of a simplified backrest unlocking mechanism according to this utility model.

[0014] Figure 2 This is a schematic diagram of the unlocking mechanism.

[0015] In the diagram: 1-backrest body, 2-unlocking mechanism, 3-pull assembly, 4-mounting bracket, 5-rotating block, 6-clamping block, 7-reset tension spring, 8-connecting bracket, 9-transmission belt, 10-pull belt, 11-pull cable, 12-frame, 13-guide cylinder, 14-rotating roller, 15-limiting belt. Detailed Implementation

[0016] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0017] Please see Figures 1-2 This utility model provides a simplified backrest unlocking mechanism, including a backrest body 1 and an unlocking mechanism 2. The unlocking mechanism 2 includes a pulling component 3, a mounting bracket 4, a rotating block 5, a locking block 6, and a reset spring 7.

[0018] The pulling component 3 is installed on one side of the backrest body 1. The mounting bracket 4 is fixedly connected to the backrest body 1 and located on one side of the backrest body 1. The rotating block 5 is rotatably connected to the mounting bracket 4 and connected to the pulling component 3, and located on the mounting bracket 4. The snap-fit ​​block 6 is rotatably connected to the mounting bracket 4 and located on the side of the mounting bracket 4 near the rotating block 5. The reset spring 7 is fixedly connected to the snap-fit ​​block 6 and fixedly connected to the rotating block 5.

[0019] In this embodiment, the backrest body 1 provides the installation conditions for the unlocking mechanism 2, and the mounting bracket 4 provides the installation conditions for the rotating block 5 and the locking block 6. When it is necessary to unlock the backrest body 1, the pulling component 3 is pulled, which drives the rotating block 5 to rotate on the mounting bracket 4. The rotating block 5 drives the locking block 6 to rotate in the opposite direction on the mounting bracket 4 until the locking block 6 rotates to the preset position, thus unlocking the backrest body 1. The pulling component 3 is released, and the locking block 6 can be reset by the rebound force of the reset spring 7, thereby solving the problem that the adjustment steps of the existing backrest unlocking mechanism are relatively cumbersome.

[0020] Furthermore, the pulling assembly 3 includes a connecting frame 8, a transmission belt 9, a pull strap 10, and a pull cable 11. The connecting frame 8 is installed on one side of the backrest body 1 and is located on the backrest body 1. The transmission belt 9 is installed on the connecting frame 8. The pull strap 10 is fixedly connected to the transmission belt 9 and is located on the transmission belt 9. The output end of the pull cable 11 is fixedly connected to the transmission belt 9. The other output end of the pull cable 11 is fixedly connected to the rotating block 5. The outer sleeve of the pull cable 11 is fixedly connected to the backrest body 1.

[0021] In this embodiment, the connecting frame 8 provides the installation conditions for the transmission belt 9. Pulling the pull belt 10 can drive the transmission belt 9 to move on the connecting frame 8, and the movement of the transmission belt 9 can pull the cable 11 to extend or retract.

[0022] Furthermore, the connecting frame 8 includes a frame body 12 and a guide cylinder 13. The frame body 12 is fixedly connected to the backrest body 1 and is located on one side of the backrest body 1. The guide cylinder 13 is fixedly connected to the frame body 12 and is located on one side of the frame body 12.

[0023] In this embodiment, the frame 12 provides installation conditions for the guide cylinder 13, through which the transmission belt 9 can be guided.

[0024] Furthermore, the unlocking mechanism 2 also includes a rotating roller 14, which is rotatably connected to the frame 12 and located on one side of the frame 12.

[0025] In this embodiment, the rotating roller 14 allows the transmission belt 9 to move, thereby improving the stability of the transmission belt 9 during movement.

[0026] Furthermore, the unlocking mechanism 2 also includes a limiting band 15, which is fixedly connected to the backrest body 1 and to the transmission belt 9.

[0027] In this embodiment, the limiting band 15 can limit the transmission belt 9 to prevent the transmission belt 9 from moving out of the preset range.

[0028] When it is necessary to unlock the backrest body 1, pull the pull strap 10. The pull strap 10 drives the transmission belt 9 to move. The transmission belt 9 drives the pull cable 11 to retract. The pull cable 11 drives the rotating block 5 to rotate on the mounting frame 4. The rotating block 5 drives the locking block 6 to rotate in the opposite direction on the mounting frame 4 until the locking block 6 rotates to the preset position, thus unlocking the backrest body 1. Release the pull assembly 3. The rebound force of the reset spring 7 can reset the locking block 6, thereby solving the problem that the adjustment steps of the existing backrest unlocking mechanism are relatively cumbersome.

[0029] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A simplified backrest unlocking mechanism, comprising a backrest body, characterized in that: It also includes an unlocking mechanism, which comprises a pulling component, a mounting bracket, a rotating block, a locking block, and a reset spring; The pulling assembly is installed on one side of the backrest body. The mounting bracket is fixedly connected to the backrest body and located on one side of the backrest body. The rotating block is rotatably connected to the mounting bracket and connected to the pulling assembly, and is located on the mounting bracket. The snap-fit ​​block is rotatably connected to the mounting bracket and located on the side of the mounting bracket close to the rotating block. The reset spring is fixedly connected to the snap-fit ​​block and fixedly connected to the rotating block.

2. The simplified backrest unlocking mechanism as described in claim 1, characterized in that: The pulling assembly includes a connecting frame, a transmission belt, a pull strap, and a pull cable. The connecting frame is installed on one side of the backrest body and is located on the backrest body. The transmission belt is installed on the connecting frame. The pull strap is fixedly connected to the transmission belt and is located on the transmission belt. The output end of the pull cable is fixedly connected to the transmission belt. The other output end of the pull cable is fixedly connected to the rotating block. The outer sleeve of the pull cable is fixedly connected to the backrest body.

3. The simplified backrest unlocking mechanism as described in claim 2, characterized in that: The connecting frame includes a frame body and a guide cylinder. The frame body is fixedly connected to the backrest body and is located on one side of the backrest body. The guide cylinder is fixedly connected to the frame body and is located on one side of the frame body.

4. The simplified backrest unlocking mechanism as described in claim 3, characterized in that: The unlocking mechanism also includes a rotating roller, which is rotatably connected to the frame and located on one side of the frame.

5. The simplified backrest unlocking mechanism as described in claim 2, characterized in that: The unlocking mechanism also includes a limiting belt, which is fixedly connected to the backrest body and to the transmission belt.

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