CN110667511B - Automobile safety belt winding mechanism - Google Patents
Automobile safety belt winding mechanism Download PDFInfo
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- CN110667511B CN110667511B CN201910896917.7A CN201910896917A CN110667511B CN 110667511 B CN110667511 B CN 110667511B CN 201910896917 A CN201910896917 A CN 201910896917A CN 110667511 B CN110667511 B CN 110667511B
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- ratchet
- contraband
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- safety belt
- wall
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- 238000004804 winding Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
- B60R22/195—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type
- B60R22/1958—Anchoring devices with means to tension the belt in an emergency, e.g. means of the through-anchor or splitted reel type characterised by spring actuators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/36—Belt retractors, e.g. reels self-locking in an emergency
- B60R22/405—Belt retractors, e.g. reels self-locking in an emergency responsive to belt movement and vehicle movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses an automobile safety belt winding mechanism which comprises a winding roller and an Contraband-shaped frame, wherein ratchet holes are formed in the outer walls of two sides of the Contraband-shaped frame, a pair of side frames are fixed on the outer walls of two sides of the Contraband-shaped frame, which are positioned at the upper part and the lower part of each ratchet hole, a movable mechanism is fixed on the outer wall of the same side of the Contraband-shaped frame through two pairs of side frames, and each movable mechanism comprises two first sliding rods which are arranged in parallel. In the invention, the ratchet wheels are fixed at the positions of the two ends of the take-up roller corresponding to the ratchet wheel holes, and the movable mechanism capable of driving the take-up roller to move upwards and close to the Contraband type frame opening is arranged, so that when the automobile suddenly decelerates and turns suddenly, the ratchet wheels are clamped with the ratchet wheel holes to limit the take-up roller to release the safety belt, the tensioning effect of the retractor on the safety belt is ensured when the automobile turns suddenly, the driving safety of drivers and passengers is protected, the integral structure is simple, the production cost is low, and the market application prospect is certain.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to an automobile safety belt winding mechanism.
Background
The automobile seat belt is a safety device for restraining a passenger in a collision, and for avoiding a secondary collision between the passenger and a steering wheel, an instrument panel, or the like in the collision or a crash injury caused by the passenger being out of the vehicle in the collision. The retractor functions to store webbing and lock webbing pull-out, which is the most complex mechanical part of the belt. The retractor is internally provided with a ratchet mechanism, so that under normal conditions, a passenger can freely pull the mesh belt on the seat at a constant speed, but when the mesh belt is continuously pulled out from the retractor and stops once or when a vehicle meets an emergency state, the ratchet mechanism can perform locking action to automatically lock the mesh belt, and the mesh belt is prevented from being pulled out.
When the existing automobile safety belt furling mechanism is used, the safety belt is released from a recovery winding drum of the furling mechanism in a mode that a limiting block inside the automobile safety belt furling mechanism is clamped with a ratchet mechanism when the automobile decelerates suddenly, but the structure can only play a role of limiting the release of the safety belt when the automobile decelerates suddenly, and the automobile has a poor effect of limiting the release of the safety belt when turning suddenly.
Disclosure of Invention
The invention aims to provide a vehicle safety belt winding mechanism to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile safety belt furling mechanism, includes roll-up and Contraband type frame, the both sides outer wall of Contraband type frame has seted up the ratchet hole, the both sides outer wall of Contraband type frame is located the upper portion and the lower part of ratchet hole and all is fixed with a pair of side bearer, wherein, Contraband type frame homonymy outer wall is through two pairs of fixed movable mechanisms of side bearer, movable mechanism includes two parallel arrangement's first slide bar, and two first slide bar respectively with be located a pair of side bearer in ratchet hole upper portion and be located a pair of side bearer fixed connection of ratchet hole lower part, two the outer wall that Contraband type frame opening was kept away from to first slide bar all the joint is fixed with the second spacing ring, two first slide bar between be close to Contraband type frame opening one side's side bearer and second spacing ring sliding connection have first movable ring, two the outer wall cover of first slide bar connects the second reset spring of elastic connection first movable ring and the side bearer that is close to Contraband type frame opening one side, the first movable rings are driven to move towards the direction of a side frame close to one side of an opening of an Contraband-shaped frame through a second reset spring, a second sliding rod is fixed between the two first movable rings, a first limiting ring is fixedly clamped at a position which is slightly lower in the middle of the second sliding rod, the outer wall of the second sliding rod, which is positioned at the upper part of the first limiting ring, is connected with the second movable ring in a sliding manner, the outer wall of the second sliding rod, which is positioned at the upper part of the second movable ring, is sleeved with the first reset spring which is elastically connected with the second movable ring and the first movable ring at a close position, and the second movable ring is elastically driven to move downwards through the first reset spring;
the winding roller is movably connected between the two second movable rings and comprises a shaft lever which is movably connected with the two second movable rings, a winding drum is fixedly connected to the outer wall of the shaft lever through a key block in a clamped mode, the material density of the key block is larger than that of the winding drum and the shaft lever, the winding roller can form an eccentric block structure through the key block, ratchet wheels are fixedly connected to the two ends, located on the winding drum, of the shaft lever in a clamped mode, a pressing groove is formed in the outer wall of the winding drum, a pressing plate is arranged inside the pressing groove in a matched mode, a plurality of screw holes are formed in the surface of the pressing plate at equal intervals, and fastening screws connected with the inner bottom of the pressing groove in a screwed mode are arranged in the screw holes in the matched mode.
Preferably, a transmission gear is fixed to one side of the winding drum in a clamping mode, a bottom plate is fixed to the position, close to the bottom face, of an opening of the Contraband-shaped frame, a driving motor is fixed to the upper portion of the bottom plate, and the driving motor is connected with a driving gear in meshing transmission with the transmission gear through a motor shaft in a transmission mode.
Preferably, the position of the opening of the Contraband-shaped frame, which is close to the top surface of the Contraband-shaped frame, is movably connected with a limiting roller with the axis parallel to the axis of the furling roller.
Preferably, the projection of the axis of the limiting roller on the bottom plate coincides with the projection of the axis of the furling roller on the bottom plate.
Preferably, the outer contour circle of the ratchet wheel is 3-5mm smaller than the inner contour circle of the ratchet wheel hole, and the distance between the two inner walls of the ratchet wheel is the same as the inner width of the Contraband-shaped frame.
Preferably, the using method comprises the following steps:
A. when a user uses the automobile, the socket is connected with the plug board, so that the human body is fixed, when the automobile is in a sudden deceleration condition, the human body can continuously incline forwards to be attached to the safety belt under the action of inertia to keep the original state, the safety belt is driven to extend, and the sudden extension of the safety belt drives the winding roller 200 to rotate in an accelerated manner;
B. the winding roller consists of a key block connecting shaft rod and a winding drum to form an eccentric block structure, so that the winding roller rotating at a high speed moves towards the inner wall direction of the ratchet hole under the action of centrifugal force, and the movable mechanism consists of a first slide rod and a second slide rod which slide in a crossed manner, so that the winding roller movably connected with the second movable ring can move towards the contraction direction of a first reset spring and a second reset spring until the outer wall of the ratchet is clamped with the inner wall of the ratchet hole to limit the rotation of the winding roller and achieve the function of tensioning the safety belt;
C. after the human body removes the extrusion effect on the safety belt, the winding roller is driven to recover to the limiting positions of the first limiting ring and the second limiting ring under the elastic action of the first return spring and the second return spring;
D. when the automobile is subjected to rapid turning, the winding roller moves towards the contraction direction of the second reset spring along the first sliding rod under the action of inertia until the outer wall of the ratchet wheel is clamped with the inner wall of the ratchet wheel hole to limit the rotation of the winding roller, so that the function of tensioning the safety belt is achieved;
E. after the human body removes the extrusion effect on the safety belt, the winding roller is driven to recover to the limiting position of the second limiting ring under the elastic action of the second return spring.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel structural design, ratchet wheel holes are arranged on the outer walls of two sides of an Contraband-shaped frame, a movable mechanism is fixed on the side wall of a Contraband-shaped frame through a side frame, the movable mechanism comprises two first slide bars which are arranged in parallel, a second limit ring is fixedly clamped on the outer wall of the first slide bar, the outer wall of the first slide bar is connected with a first movable ring in a sliding way, a second reset spring elastically connected with the first movable ring is sleeved on the outer wall of the first slide bar, a second slide bar is fixedly arranged between the two first movable rings, the first limit ring is fixedly clamped at the position which is lower than the middle of the second slide bar, a second movable ring is connected on the outer wall of the second slide bar, the first reset spring elastically connected with the second movable ring is sleeved on the outer wall of the second slide bar, a furling roller is movably connected between the two second movable rings, wherein ratchet wheels are fixed at the positions of two ends of the furling roller corresponding to the ratchet wheel holes, can drive the moving mechanism that the take-up roll upwards and be close to the uncovered removal of Contraband type frame through the setting, when the car meets sudden deceleration and sharp turn for ratchet and ratchet hole joint limit take-up roll release safety belt, guarantee the car when turning fast, the coiler is to the tensioning effect of safety belt, protection driver and crew driving safety, overall structure is simple, low in production cost has certain market perspective.
Drawings
FIG. 1 is a schematic view of the overall structure of the retracting mechanism of the present invention;
FIG. 2 is an exploded view of the retracting mechanism of the present invention;
FIG. 3 is a schematic view of the roll-up of the present invention;
FIG. 4 is a schematic view of the Contraband-type jig of the present invention;
FIG. 5 is a schematic view of the construction of the moving mechanism of the present invention;
FIG. 6 is a side view of the retracting mechanism of the present invention;
fig. 7 is a sectional view of the take-up roll of the present invention.
In the figure: 100. a drive motor; 110. a driving gear; 200. a winding roller; 210. a reel; 220. a transmission gear; 230. pressing a plate; 240. pressing a groove; 250. fastening screws; 260. screw holes; 270. a ratchet wheel; 280. a shaft lever; 290. a key block; 300. a limiting roller; 400. contraband type frame; 410. a side frame; 420. a ratchet hole; 430. a base plate; 500. a movable mechanism; 510. a first limit ring; 520. a first return spring; 530. a second return spring; 540. a first movable ring; 550. a second stop collar; 560. a first slide bar; 570. a second movable ring; 580. a second slide bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a car safety belt furling mechanism comprises furling rollers 200 and Contraband type frames 400, ratchet holes 420 are arranged on the outer walls of two sides of Contraband type frames 400, a pair of side frames 410 are fixed on the outer walls of two sides of Contraband type frames 400 at the upper parts and the lower parts of the ratchet holes 420, wherein, a movable mechanism 500 is fixed on the outer wall of the same side of Contraband type frames 400 through two pairs of side frames 410, the movable mechanism 500 comprises two first sliding rods 560 which are arranged in parallel, the two first sliding rods 560 are respectively and fixedly connected with the pair of side frames 410 at the upper parts of the ratchet holes 420 and the pair of side frames 410 at the lower parts of the ratchet holes 420, second limit rings 550 are clamped and fixed on the outer walls of two first sliding rods 560 far away from Contraband type frames 400, first movable rings 540 are connected between the side frames 410 close to one side of an opening of Contraband type frames 400 and the second limit rings 550 in a sliding mode, the outer walls of the two first sliding rods 560 are sleeved with second reset springs 530 which are elastically connected with the first movable rings 540 and the side frames 410 close to one side of the opening of Contraband type frames 400, the second return spring 530 drives the first movable ring 540 to move towards the direction of the side frame 410 close to one side of the opening of the Contraband-shaped frame 400, a second sliding rod 580 is fixed between the two first movable rings 540, the first limit ring 510 is fixed in a clamping manner at the position of the second sliding rod 580 with a downward middle part, the outer wall of the second sliding rod 580 at the upper part of the first limit ring 510 is connected with a second movable ring 570 in a sliding manner, the outer wall of the second sliding rod 580 at the upper part of the second movable ring 570 is sleeved with the first return spring 520 which is elastically connected with the second movable ring 570 and the first movable ring 540 at the adjacent position, and the second movable ring 570 is driven to move downwards by the elasticity of the first return spring 520;
the furling roller 200 is movably connected between the two second movable rings 570, the furling roller 200 comprises a shaft rod 280 movably connected through the two second movable rings 570, the outer wall of the shaft rod 280 is fixedly clamped with the winding drum 210 through a key block 290, the material density of the key block 290 is greater than that of the winding drum 210 and the shaft rod 280, thus the furling roller 200 can form an eccentric block structure through the key block 290, both ends of the shaft rod 280, which are positioned at the winding drum 210, are fixedly clamped with ratchet wheels 270, the outer wall of the winding drum 210 is provided with a pressing groove 240, the inside of the pressing groove 240 is provided with a pressing plate 230 in a matching manner, the surface of the pressing plate 230 is provided with a plurality of screw holes 260 at equal intervals, and the plurality of screw holes 260 are provided with fastening screws 250 which are screwed with the inner bottom of the pressing groove 240 in a matching manner;
one side joint of reel 210 is fixed with drive gear 220, Contraband type frame 400 open be close to its bottom surface place department be fixed with bottom plate 430, the upper portion of bottom plate 430 is fixed with driving motor 100, driving motor 100 is connected with through the motor shaft transmission with drive gear 220 meshing driven driving gear 110, drive driving gear 110 and drive gear 220 meshing transmission through driving motor 100 and can accomodate the safety belt of overlength.
The Contraband type frame 400 is characterized in that a position close to the top surface of the opening is movably connected with a limiting roller 300 with an axis parallel to the axis of the take-up roller 200, the moving direction of the safety belt is guided by arranging the limiting roller 300, and the projection of the axis of the limiting roller 300 on the bottom plate 430 is superposed with the projection of the axis of the take-up roller 200 on the bottom plate 430, so that the safety belt can be prevented from being damaged by a guard plate covered outside the safety belt in a sudden straightening state.
When the first movable ring 540 abuts against the second limiting ring 550 and the second movable ring 570 abuts against the first limiting ring 510, the axis of the take-up roller 200 coincides with the axis of the ratchet hole 420, and the axis of the take-up roller 200 coincides with the axis of the ratchet hole 420, so that the rotation stability of the take-up roller 200 can be improved.
The outer contour circle of the ratchet wheel 270 is 3-5mm smaller than the inner contour circle of the ratchet wheel hole 420, so that the ratchet wheel 270 is prevented from being scratched by the ratchet wheel hole 420, the distance between the inner walls of the two ratchet wheels 270 is the same as the inner width of the Contraband-shaped frame 400, and the ratchet wheel 270 can be ensured to correspond to the ratchet wheel hole 420.
The working principle is as follows: when the safety belt is installed, one end of the safety belt is pressed into the pressing groove 240 through the pressing plate 230 and is screwed and fixed through the fastening screw 250, and then the safety belt penetrates through the guide plate and is fixed with the vehicle body.
The using method of the invention comprises the following steps:
A. when a user uses the automobile, the socket is connected with the plug board, so that the human body is fixed, when the automobile is in a sudden deceleration condition, the human body can continuously incline forwards to be attached to the safety belt under the action of inertia to keep the original state, the safety belt is driven to extend, and the sudden extension of the safety belt drives the winding roller 200 to rotate in an accelerated manner;
B. the winding roller consists of a key block connecting shaft rod and a winding drum to form an eccentric block structure, so that the winding roller rotating at a high speed moves towards the inner wall direction of the ratchet hole under the action of centrifugal force, and the movable mechanism consists of a first slide rod and a second slide rod which slide in a crossed manner, so that the winding roller movably connected with the second movable ring can move towards the contraction direction of a first reset spring and a second reset spring until the outer wall of the ratchet is clamped with the inner wall of the ratchet hole to limit the rotation of the winding roller and achieve the function of tensioning the safety belt;
C. after the human body removes the extrusion effect on the safety belt, the winding roller is driven to recover to the limiting positions of the first limiting ring and the second limiting ring under the elastic action of the first return spring and the second return spring;
D. when the automobile is subjected to rapid turning, the winding roller moves towards the contraction direction of the second reset spring along the first sliding rod under the action of inertia until the outer wall of the ratchet wheel is clamped with the inner wall of the ratchet wheel hole to limit the rotation of the winding roller, so that the function of tensioning the safety belt is achieved;
E. after the human body removes the extrusion effect on the safety belt, the winding roller is driven to recover to the limiting position of the second limiting ring under the elastic action of the second return spring.
In summary, the invention has novel structural design, ratchet holes are arranged on the outer walls of two sides of an Contraband-shaped frame, a movable mechanism is fixed on the side wall of a Contraband-shaped frame through a side frame, the movable mechanism comprises two first slide bars which are arranged in parallel, a second limit ring is fixedly clamped on the outer wall of each first slide bar, the outer wall of each first slide bar is connected with a first movable ring in a sliding manner, a second return spring elastically connected with the first movable ring is sleeved on the outer wall of each first slide bar, a second slide bar is fixedly arranged between the two first movable rings, a first limit ring is fixedly clamped at the position which is slightly lower than the middle of each second slide bar, a second movable ring is connected on the outer wall of the upper part of each second slide bar in a sliding manner, a first return spring elastically connected with the second movable ring is sleeved on the outer wall of each second slide bar, a furling roller is movably connected between the two second movable rings, wherein ratchets are fixed at the positions of two ends of the furling roller corresponding to the ratchet holes, can drive the moving mechanism that the take-up roll upwards and be close to the uncovered removal of Contraband type frame through the setting, when the car meets sudden deceleration and sharp turn for ratchet and ratchet hole joint limit take-up roll release safety belt, guarantee the car when turning fast, the coiler is to the tensioning effect of safety belt, protection driver and crew driving safety, overall structure is simple, low in production cost has certain market perspective.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An automobile safety belt winding mechanism comprises a winding roller (200) and an Contraband type frame (400), and is characterized in that: ratchet holes (420) are formed in the outer walls of the two sides of the Contraband-shaped frame (400), a pair of side frames (410) are fixed to the upper portion and the lower portion of the outer wall of the two sides of the Contraband-shaped frame (400), wherein the outer wall of the same side of the Contraband-shaped frame (400) is fixed to a movable mechanism (500) through the two pairs of side frames (410), the movable mechanism (500) comprises two first sliding rods (560) which are arranged in parallel, the two first sliding rods (560) are fixedly connected with a pair of side frames (410) located at the upper portion of the ratchet holes (420) and a pair of side frames (410) located at the lower portion of the ratchet holes (420) respectively, the two first sliding rods (560) are far away from the outer wall of the Contraband-shaped frame (400) opening and are fixedly connected with second limiting rings (550), and first movable rings (540) are connected between the side frames (410) close to one side of the Contraband-shaped frame (400) opening and the second limiting rings (550) in a sliding mode, the outer walls of the two first sliding rods (560) are sleeved with second return springs (530) which are elastically connected with the first movable rings (540) and side frames (410) close to one side of an opening of the Contraband-shaped frame (400), a second sliding rod (580) is fixed between the two first movable rings (540), a first limiting ring (510) is fixed at a position, which is lower in the middle of the second sliding rod (580), in a clamping manner, the outer wall, which is positioned at the upper part of the first limiting ring (510), of the second sliding rod (580) is connected with a second movable ring (570) in a sliding manner, the outer wall, which is positioned at the upper part of the second movable ring (570), of the second sliding rod (580) is sleeved with first return springs (520) which are elastically connected with the second movable rings (570) and the first movable rings (540) at adjacent positions, and the second movable rings (570) are elastically driven to move downwards by the first return springs;
the winding roller (200) is movably connected between the two second movable rings (570), the winding roller (200) comprises a shaft rod (280) movably connected through the two second movable rings (570), the outer wall of the shaft rod (280) is fixedly connected with a winding drum (210) in a clamping mode through a key block (290), ratchet wheels (270) are fixedly connected to the two ends, located on the winding drum (210), of the shaft rod (280) in a clamping mode, a pressing groove (240) is formed in the outer wall of the winding drum (210), a pressing plate (230) is arranged inside the pressing groove (240) in a matched mode, a plurality of screw holes (260) are formed in the surface of the pressing plate (230) at equal intervals, and fastening screws (250) connected with the inner bottom of the pressing groove (240) in a matched mode are arranged on the plurality of screw holes (260).
2. The seat belt retractor mechanism according to claim 1, wherein: one side joint of reel (210) is fixed with drive gear (220), the uncovered department that is close to its bottom surface place of Contraband type frame (400) is fixed with bottom plate (430), the upper portion of bottom plate (430) is fixed with driving motor (100), driving motor (100) are connected with driving gear (110) with drive gear (220) meshing transmission through the motor shaft transmission.
3. The seat belt retractor mechanism according to claim 1, wherein: the position of the opening of the Contraband-shaped frame (400) close to the top surface thereof is movably connected with a limiting roller (300) with the axis parallel to the axis of the furling roller (200).
4. A seat belt retractor mechanism according to claim 3 wherein: the projection of the axis of the limiting roller (300) on the bottom plate (430) is coincident with the projection of the axis of the furling roller (200) on the bottom plate (430).
5. The seat belt retractor mechanism according to claim 1, wherein: the outer contour circle of the ratchet wheel (270) is 3-5mm smaller than the inner contour circle of the ratchet wheel hole (420); the distance between the inner walls of the two ratchets (270) is the same as the inner width of the Contraband-shaped frame (400).
6. The use method of the automobile safety belt furling mechanism for realizing the invention as claimed in claim 1 is characterized in that: the using method comprises the following steps:
A. when a user uses the automobile, the socket is connected with the plug board, so that the human body is fixed, when the automobile is in a sudden deceleration condition, the human body can continuously incline forwards to be attached to the safety belt under the action of inertia to keep the original state, the safety belt is driven to extend, and the sudden extension of the safety belt drives the winding roller (200) to rotate in an accelerated manner;
B. because the furling roller (200) is composed of a key block (290) connecting shaft rod (280) and a winding drum (210), an eccentric block structure is formed, the furling roller (200) rotating at high speed moves towards the inner wall direction of the ratchet hole (420) under the action of centrifugal force, and because the movable mechanism (500) is composed of a first sliding rod (560) and a second sliding rod (580) which slide in a crossed manner, the furling roller (200) movably connected with a second movable ring (570) can move towards the contraction direction of a first return spring (520) and a second return spring (530) until the outer wall of the ratchet (270) is clamped with the inner wall of the ratchet hole (420), the furling roller (200) is limited to rotate, and the function of tensioning the safety belt is achieved;
C. after the squeezing action of a human body on the safety belt is removed, the winding roller (200) is driven to recover to the limiting position of the first limiting ring (510) and the second limiting ring (550) under the elastic action of the first return spring (520) and the second return spring (530);
D. when the automobile turns rapidly, the winding roller (200) moves towards the contraction direction of the second return spring (530) along the first sliding rod (560) under the action of inertia until the outer wall of the ratchet (270) is clamped with the inner wall of the ratchet hole (420) to limit the rotation of the winding roller (200) so as to tension the safety belt;
E. after the human body removes the extrusion effect on the safety belt, the furling roller (200) is driven to recover to the limiting position of the second limiting ring (550) under the elastic action of the second return spring (530).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896917.7A CN110667511B (en) | 2019-09-23 | 2019-09-23 | Automobile safety belt winding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896917.7A CN110667511B (en) | 2019-09-23 | 2019-09-23 | Automobile safety belt winding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN110667511A CN110667511A (en) | 2020-01-10 |
| CN110667511B true CN110667511B (en) | 2021-10-29 |
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| CN201910896917.7A Expired - Fee Related CN110667511B (en) | 2019-09-23 | 2019-09-23 | Automobile safety belt winding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110316144B (en) * | 2019-08-12 | 2024-06-25 | 延锋汽车智能安全系统有限责任公司 | Seatbelt retractor and seatbelt apparatus |
| CN113503146B (en) * | 2021-08-06 | 2022-09-23 | 新疆大学 | Deep coal bed gas exploitation air pressure measuring device |
| CN113818331B (en) * | 2021-10-29 | 2023-06-02 | 济南城建集团有限公司 | Beam falling prevention device for large-span pipeline truss |
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| DE3339527A1 (en) * | 1983-11-02 | 1985-05-09 | Autoflug Gmbh, 2084 Rellingen | WINDING DEVICE FOR SAFETY BELTS |
| US4619418A (en) * | 1984-03-26 | 1986-10-28 | Autoflug Gmbh | Self-locking belt reel-in mechanism for safety belts |
| US4941683A (en) * | 1988-03-11 | 1990-07-17 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle seat belt tightening system |
| CN207141008U (en) * | 2017-08-16 | 2018-03-27 | 芜湖金安世腾汽车安全系统有限公司 | A kind of automobile safety belt retractor |
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- 2019-09-23 CN CN201910896917.7A patent/CN110667511B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943412A1 (en) * | 1979-10-26 | 1981-05-07 | Naamloze Vennootschap Klippan S.A., Leeuwen | LOCKING DEVICE FOR A BELT REEL FOR SAFETY BELTS |
| DE3339527A1 (en) * | 1983-11-02 | 1985-05-09 | Autoflug Gmbh, 2084 Rellingen | WINDING DEVICE FOR SAFETY BELTS |
| US4619418A (en) * | 1984-03-26 | 1986-10-28 | Autoflug Gmbh | Self-locking belt reel-in mechanism for safety belts |
| US4941683A (en) * | 1988-03-11 | 1990-07-17 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle seat belt tightening system |
| CN207141008U (en) * | 2017-08-16 | 2018-03-27 | 芜湖金安世腾汽车安全系统有限公司 | A kind of automobile safety belt retractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110667511A (en) | 2020-01-10 |
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