Locking mechanism of high-stability safety belt retractor

Abstract

The utility model discloses a locking mechanism of a high-stability safety belt retractor, which relates to the technical field of automobile safety and comprises a fixing plate, a plurality of sliding grooves are formed in the inner wall of the fixing plate, sliding blocks are connected to the inner walls of the sliding grooves in a sliding mode, and the locking mechanism is arranged on the outer wall of the fixing plate. The locking mechanism comprises an installation frame, the outer wall of the installation frame is fixedly connected with the outer wall of the top of the fixing plate, through the ratchet wheel, large pulling force can be generated when the safety belt is rapidly pulled out, then the winding rod can move due to the pulling force, and when the winding rod moves, the ratchet wheel and the coil spring can be driven to move; meanwhile, the protective shell moves along with the winding rod, then the protective shell drives the sliding block to slide in the sliding groove, and the protective shell drives the disc to move when moving, so that the situation that the safety belt continues to be stretched due to movement of the driver during emergency braking of the vehicle is prevented, and the situation that the driver moves forwards due to inertia, collides with other objects and is seriously injured is avoided.

Description

Technical Field

[0001] The utility model relates to retractor production equipment, in particular to a locking mechanism of a high-stability safety belt retractor. Background Art

[0002] The continuous development of the automobile industry and the increasing number of cars have led to increasing requirements for the safety, comfort and reliability of cars, which has prompted auto parts manufacturers to continuously improve and innovate to meet market demand and promote the development of high-stability seat belt retractor locking mechanisms:

[0003] In existing equipment, when the vehicle is in emergency braking, the seat belt will continue to stretch due to the movement of the person, causing the person to move forward due to inertia. In serious cases, the person may collide with other objects and cause serious injuries. Therefore, we have proposed a locking mechanism for a high-stability seat belt retractor. Utility Model Content

[0004] The utility model aims to provide a locking mechanism for a high-stability seat belt retractor, which touches a card block through the movement of a ratchet wheel, and then the card block is stuck in the ratchet wheel, so that the ratchet wheel cannot rotate, thereby solving the problem that when the vehicle is emergency braked, the seat belt will continue to be stretched due to the movement of the person, causing the person to move forward due to inertia, and in severe cases, the person will collide with other objects, causing serious injuries.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a locking mechanism for a high-stability seat belt retractor, comprising a fixing plate, the inner wall of which is provided with a plurality of slide grooves, the inner walls of the plurality of slide grooves are all slidably connected with sliders, and the outer wall of the fixing plate is provided with a locking mechanism;

[0007] The locking mechanism includes a mounting frame, the outer wall of the mounting frame is fixedly connected to the top outer wall of the fixing plate, the inner wall of the mounting frame is fixedly connected to a sleeve, the inner wall of the sleeve is slidably connected to a slide rod, the outer wall of the slide rod is fixedly connected to a spring, the outer wall of the slide rod away from the sleeve is fixedly connected to a disc, the outer wall of the disc away from the sleeve is fixedly connected to a protective shell, the top outer wall of the protective shell is fixedly connected to the outer walls of a plurality of sliders, the inner wall of the protective shell is provided with a safety belt outlet, and the inner wall of the protective shell A winding rod is rotatably connected, and the outer wall of the winding rod is fixedly connected with a winding spring, and the outer wall of the winding spring at one end away from the winding rod is fixedly connected with a fixing rod, and the outer wall of the fixing rod is fixedly connected to the outer wall of the protective shell, and the outer wall of the winding rod at one end away from the fixing rod is fixedly connected with a ratchet, and the outer wall of the fixing plate at one end close to the ratchet is fixedly connected with a blocking block, and the outer wall of the protective shell at one end close to the winding spring is fixedly connected with a limiting shell, and the inner wall of the limiting shell is rotatably connected to the outer wall of the winding rod, and the outer wall of the winding rod is provided with a cleaning mechanism.

[0008] Furthermore, the cleaning mechanism includes a plurality of rotating disks, and outer walls of the plurality of rotating disks are fixedly connected to an outer wall of the winding rod.

[0009] Furthermore, outer walls of a plurality of the rotating disks on one side away from the winding rod are fixedly connected to a limiting rod, and outer walls of a plurality of the limiting rods are rotatably connected to a connecting rod.

[0010] Furthermore, the inner walls of a plurality of the connecting rods are rotatably connected to a rotating rod, and the outer wall of the rotating rod on a side away from the connecting rod is fixedly connected to a U-shaped plate.

[0011] Furthermore, a plurality of support plates are fixedly connected to the outer wall of one end of the protective shell close to the safety belt outlet, and the inner walls of the plurality of support plates are provided with limiting grooves.

[0012] Furthermore, a connecting plate is fixedly connected to the outer wall of the U-shaped plate, and the outer wall of the connecting plate is slidably connected to the inner walls of a plurality of limiting grooves.

[0013] Furthermore, the top outer wall of the connecting plate and the outer wall of the protective shell are fixedly connected with mounting blocks, and the outer walls of one end of several mounting blocks close to the safety belt outlet are fixedly connected with several brushes.

[0014] Furthermore, the inner wall of the mounting block is provided with a plurality of slide grooves 2, the inner walls of the plurality of slide grooves 2 are slidably connected with sliders 2, and the outer wall of the sliders 2 at one end away from the safety belt outlet is fixedly connected with a collection box.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model is provided with a ratchet, which will generate a large pulling force when the safety belt is pulled out quickly, and then the winding rod will move due to the pulling force, and when the winding rod moves, it will move with the ratchet and the coil spring, and at the same time, the protective shell moves with the winding rod, and then the protective shell slides in the slide groove with the slider, and when the protective shell moves, it will move with the disc, thereby improving safety, preventing the safety belt from continuing to stretch due to the driver's movement during emergency braking of the vehicle, and preventing the driver from moving forward due to inertia, causing the driver to collide with other objects and be seriously injured.

[0017] 2. The utility model is provided with a brush, which will lead the connecting rod to move when the limit rod moves, and then the connecting rod rotates on the limit rod, and will lead the rotating rod to move back and forth when the connecting rod moves, and then will lead the U-shaped plate to move when the rotating rod moves, and then the U-shaped plate leads the connecting plate to slide in the limit groove, and will lead the mounting block to move when the connecting plate moves, thereby improving the service life of the seat belt, preventing dust and impurities from adhering to the seat belt, avoiding dust and impurities from corroding the seat belt, and improving the service life of the seat belt. At the same time, it prevents dust and impurities on the seat belt from being stained on the driver's clothes, and keeps the driver's clothes clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model has the following drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0021] Figure 3 This is a cross-sectional view of the protective shell mechanism of the utility model;

[0022] Figure 4 This is a cross-sectional view of the ratchet structure of the utility model;

[0023] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Fixed plate; 101. Slide groove; 102. Slider; 2. Locking mechanism; 201. Mounting frame; 202. Sleeve; 203. Slide bar; 204. Spring; 205. Disc; 206. Protective shell; 207. Safety belt outlet; 208. Winding rod; 209. Coil spring; 210. Fixed rod; 211. Ratchet; 212. Block; 213. Limiting shell; 3. Cleaning mechanism; 301. Turntable; 302. Limiting rod; 303. Connecting rod; 304. Rotating rod; 305. U-shaped plate; 306. Support plate; 307. Limiting groove; 308. Connecting plate; 309. Mounting block; 310. Brush; 311. Slide groove 2; 312. Slider 2; 313. Collection box. DETAILED DESCRIPTION

[0026] The utility model is a locking mechanism for a high-stability seat belt retractor, comprising a fixing plate 1, wherein the inner wall of the fixing plate 1 is provided with a plurality of slide grooves 101, wherein the inner walls of the plurality of slide grooves 101 are all slidably connected with sliders 102, wherein the sliders 102 slide in the slide grooves 101, and do not move when the sliders 102 slide, wherein the outer wall of the fixing plate 1 is provided with a locking mechanism 2, wherein the locking mechanism 2 comprises a mounting frame 201, wherein the outer wall of the mounting frame 201 is fixedly connected with the outer wall of the top of the fixing plate 1, wherein the inner wall of the mounting frame 201 is fixedly connected with a sleeve 202, wherein the inner wall of the sleeve 202 is slidably connected with the inner wall of the sleeve A slide bar 203 is connected, and the slide bar 203 slides in the sleeve 202. When the slide bar 203 moves, displacement is avoided, so that the slide bar 203 maintains linear motion. The outer wall of the slide bar 203 is fixedly connected to a spring 204. The outer wall of the slide bar 203 on the side away from the sleeve 202 is fixedly connected to a disk 205. The outer wall of the disk 205 on the side away from the sleeve 202 is fixedly connected to a protective shell 206. The top outer wall of the protective shell 206 is fixedly connected to the outer walls of several sliders 102. When the slide bar 203 moves, it will move with the disk 205, and then the disk 20 5 moves with the protective shell 206, realizing the kinetic energy transfer between the parts. The inner wall of the protective shell 206 is provided with a safety belt outlet 207. The inner wall of the protective shell 206 is rotatably connected with a winding rod 208. The outer wall of the winding rod 208 is fixedly connected with a coil spring 209. The outer wall of the coil spring 209 away from the winding rod 208 is fixedly connected with a fixed rod 210. When the winding rod 208 rotates, the coil spring 209 is contracted. When the winding rod 208 stops rotating, the coil spring 209 is expanded, so that the winding rod 208 rotates by itself. The outer wall of the fixed rod 210 is connected to the protective shell 206. The outer wall of the winding rod 206 is fixedly connected, the outer wall of the end of the winding rod 208 away from the fixed rod 210 is fixedly connected with a ratchet 211, the outer wall of the end of the fixed plate 1 close to the ratchet 211 is fixedly connected with a clamping block 212, the outer wall of the end of the protective shell 206 close to the coil spring 209 is fixedly connected with a limiting shell 213, the inner wall of the limiting shell 213 is rotatably connected to the outer wall of the winding rod 208, and the outer wall of the winding rod 208 is provided with a cleaning mechanism 3, when the winding rod 208 rotates, it will drive the ratchet 211 to rotate, and when the clamping block 212 is stuck in the ratchet 211, the ratchet 211 is fixed.

[0027] The safety belt is fixed on the winding rod 208. When the safety belt is pulled, the winding rod 208 will rotate with it. When the winding rod 208 rotates, the coil spring 209 will contract, and the ratchet 211 will also rotate with the winding rod 208. When the safety belt is stretched out quickly, it will move with the winding rod 208, and then the winding rod 208 will move with the protective shell 206. When the protective shell 206 moves, it will move the slider 102 in the slide groove 101, and the ratchet 211 will move with the winding rod 208. When the ratchet 211 moves, it will touch the block 212, and then the block 212 will be stuck in the ratchet 211, so that the ratchet 211 cannot rotate, thereby preventing the safety belt from continuing to stretch.

[0028] The cleaning mechanism 3 includes a plurality of rotating disks 301, the outer walls of the plurality of rotating disks 301 are fixedly connected to the outer wall of the winding rod 208, the outer walls of the plurality of rotating disks 301 on the side away from the winding rod 208 are fixedly connected to the limiting rod 302, the outer walls of the plurality of limiting rods 302 are rotatably connected to the connecting rod 303, when the winding rod 208 rotates, the rotating disk 301 is rotated, and then the rotating disk 301 moves with the limiting rod 302, realizing the kinetic energy transfer between the parts, and the inner walls of the plurality of connecting rods 303 are rotatably connected to the limiting rod 302. The rotating rod 304 has a U-shaped plate 305 fixedly connected to the outer wall of the rotating rod 304 on one side away from the connecting rod 303, and the outer wall of one end of the protective shell 206 close to the safety belt outlet 207 is fixedly connected to a plurality of support plates 306, and the inner walls of the plurality of support plates 306 are provided with limiting grooves 307, when the limiting rod 302 moves, the connecting rod 303 will move with it, and at the same time, the connecting rod 303 rotates on the limiting rod 302, and when the connecting rod 303 moves, the rotating rod 304 will move with it, completing the kinetic energy conduction between the parts.

[0029] When the winding rod 208 rotates, the turntable 301 will rotate, and then the turntable 301 will move with the limiting rod 302. When the limiting rod 302 moves, it will move with the connecting rod 303. Then the connecting rod 303 will move the rotating rod 304 back and forth. When the rotating rod 304 moves, it will move with the U-shaped plate 305. When one part moves, other parts will also move with it.

[0030] The outer wall of the U-shaped plate 305 is fixedly connected to a connecting plate 308, and the outer wall of the connecting plate 308 is slidably connected to the inner walls of several limiting grooves 307. The top outer wall of the connecting plate 308 and the outer wall of the protective shell 206 are fixedly connected to a mounting block 309. When the U-shaped plate 305 moves, it will move with the connecting plate 308, and then the connecting plate 308 moves with the mounting block 309, thereby achieving a kinetic energy transmission process between parts. Several brushes 310 are fixedly connected to the outer walls of one end of the mounting blocks 309 close to the safety belt outlet 207, and several chute twos 311 are provided on the inner wall of the mounting block 309. The inner walls of several chute twos 311 are slidably connected to slider twos 312. The outer wall of the slider two 312 away from the safety belt outlet 207 is fixedly connected to a collecting box 313. When the mounting block 309 moves, it will move with the brush 310, and then the brush 310 will clean the safety belt to prevent dust and impurities from sticking to the safety belt.

[0031] When the connecting plate 308 moves, the mounting block 309 moves with it, and then when the mounting block 309 moves, the plurality of brushes 310 moves with it. When the brushes 310 move, the safety belt is cleaned, and then the cleaned dust and impurities fall into the collection box 313, which is convenient for collecting the dust and impurities.

[0032] The specific working principle of this embodiment is:

[0033] When the staff needs to use the device, they first install the safety belt on the reel rod 208, and then pull the safety belt out of the safety belt outlet 207. When the safety belt is pulled, the reel rod 208 rotates, and then the reel rod 208 contracts with the coil spring 209, and at the same time, the reel rod 208 rotates with the ratchet 211. When the safety belt is pulled out quickly, a large pulling force is generated, and then the reel rod 208 moves due to the pulling force. When the reel rod 208 moves, The ratchet 211 and the coil spring 209 move, and the protective shell 206 moves with the winding rod 208. Then the protective shell 206 slides with the slider 102 in the slide groove 101. When the protective shell 206 moves, the disc 205 moves. Then the disc 205 moves with the slide bar 203. When the slide bar 203 moves, the spring 204 is squeezed. Then, when the ratchet 211 moves, it contacts the block 212, and then the block 212 is stuck in the ratchet 211. 1, the ratchet wheel 211 cannot rotate, and then the winding rod 208 also cannot rotate along with the ratchet wheel 211, so that the safety belt cannot be further stretched. At the same time, when the safety belt is pulled out, the winding rod 208 will rotate with the turntable 301, and then the turntable 301 will move with the limiting rod 302, and when the limiting rod 302 moves, it will move with the connecting rod 303, and then the connecting rod 303 will rotate on the limiting rod 302, and when the connecting rod 303 moves, it will move the rotating rod 304 back and forth, and then when the rotating rod 304 moves, it will move with the U-shaped plate 305, and then the U-shaped plate 305 will slide with the connecting plate 308 in the limiting groove 307, and when the connecting plate 308 moves, it will move with the mounting block 309, and then the mounting block 309 will move with the brush 310, and when the brush 310 moves, the safety belt will be cleaned to prevent dust and impurities from sticking to it, and then the cleaned dust and impurities will fall into the collection box 313 to prevent the dust and impurities from being scattered in other places.

Claims

1. A locking mechanism for a high-stability seat belt retractor, comprising a fixing plate (1), characterized in that: The inner wall of the fixed plate (1) is provided with a plurality of sliding grooves (101), the inner walls of the plurality of sliding grooves (101) are all slidably connected with sliders (102), and the outer wall of the fixed plate (1) is provided with a locking mechanism (2); The locking mechanism (2) comprises a mounting frame (201), the outer wall of the mounting frame (201) being fixedly connected to the top outer wall of the fixing plate (1), the inner wall of the mounting frame (201) being fixedly connected to a sleeve (202), the inner wall of the sleeve (202) being slidably connected to a slide rod (203), the outer wall of the slide rod (203) being fixedly connected to a spring (204), the outer wall of the slide rod (203) being fixedly connected to a disk (205) on a side away from the sleeve (202), the outer wall of the disk (205) being fixedly connected to a protective shell (206) on a side away from the sleeve (202), the top outer wall of the protective shell (206) being fixedly connected to the outer walls of a plurality of sliders (102), the inner wall of the protective shell (206) being provided with a safety belt outlet (207), and the inner wall of the protective shell (206) being fixedly connected to the outer wall of the plurality of sliders (102). A winding rod (208) is rotatably connected, an outer wall of the winding rod (208) is fixedly connected to a coil spring (209), an outer wall of one end of the coil spring (209) away from the winding rod (208) is fixedly connected to a fixing rod (210), an outer wall of the fixing rod (210) is fixedly connected to an outer wall of a protective shell (206), an outer wall of one end of the winding rod (208) away from the fixing rod (210) is fixedly connected to a ratchet (211), an outer wall of one end of the fixing plate (1) close to the ratchet (211) is fixedly connected to a clamping block (212), an outer wall of one end of the protective shell (206) close to the coil spring (209) is fixedly connected to a limiting shell (213), an inner wall of the limiting shell (213) is rotatably connected to the outer wall of the winding rod (208), and a cleaning mechanism (3) is provided on the outer wall of the winding rod (208).

2. The locking mechanism of the high-stability seat belt retractor according to claim 1, characterized in that: The cleaning mechanism (3) comprises a plurality of rotating disks (301), and the outer walls of the plurality of rotating disks (301) are fixedly connected to the outer wall of the winding rod (208).

3. The locking mechanism of the high stability seat belt retractor according to claim 2, characterized in that: The outer walls of a plurality of rotating disks (301) on a side away from the winding rod (208) are fixedly connected to a limiting rod (302), and the outer walls of a plurality of limiting rods (302) are rotatably connected to a connecting rod (303).

4. The locking mechanism of the high-stability seat belt retractor according to claim 3, characterized in that: The inner walls of a plurality of the connecting rods (303) are rotatably connected to a rotating rod (304), and the outer wall of the rotating rod (304) on a side away from the connecting rod (303) is fixedly connected to a U-shaped plate (305).

5. The locking mechanism of the high-stability seat belt retractor according to claim 4, characterized in that: A plurality of support plates (306) are fixedly connected to the outer wall of one end of the protective shell (206) close to the safety belt outlet (207), and the inner walls of the plurality of support plates (306) are provided with limiting grooves (307).

6. The locking mechanism of the high-stability seat belt retractor according to claim 5, characterized in that: The outer wall of the U-shaped plate (305) is fixedly connected to a connecting plate (308), and the outer wall of the connecting plate (308) is slidably connected to the inner walls of a plurality of limiting grooves (307).

7. The locking mechanism of the high-stability seat belt retractor according to claim 6, characterized in that: The top outer wall of the connecting plate (308) and the outer wall of the protective shell (206) are both fixedly connected with a mounting block (309), and the outer walls of one end of a plurality of mounting blocks (309) close to the safety belt outlet (207) are each fixedly connected with a plurality of brushes (310).

8. The locking mechanism of the high-stability seat belt retractor according to claim 7, characterized in that: The inner wall of the mounting block (309) is provided with a plurality of second slide grooves (311), the inner walls of the plurality of second slide grooves (311) are slidably connected to second sliders (312), and the outer wall of the second slider (312) at one end away from the safety belt outlet (207) is fixedly connected to a collection box (313).

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