CN219687264U - High-precision locking block for automobile safety belt - Google Patents
High-precision locking block for automobile safety belt Download PDFInfo
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- CN219687264U CN219687264U CN202321199375.6U CN202321199375U CN219687264U CN 219687264 U CN219687264 U CN 219687264U CN 202321199375 U CN202321199375 U CN 202321199375U CN 219687264 U CN219687264 U CN 219687264U
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- Automotive Seat Belt Assembly (AREA)
Abstract
The utility model discloses a high-precision locking block for an automobile safety belt, which comprises a wheel disc, wherein the edge of the upper end surface of the wheel disc is fixedly connected with a circular ring, the outer wall of the circular ring, which is close to the center of the wheel disc, is fixedly connected with a plurality of gear teeth distributed in an array, the center of the upper end surface of the wheel disc is rotationally connected with a pin shaft, the outer wall of the pin shaft is fixedly connected with a rotary disc, the upper end surface of the rotary disc is fixedly connected with a plurality of connecting shafts distributed in an array, the outer walls of the connecting shafts are rotationally connected with arc teeth matched with the gear teeth, the outer walls of the arc teeth, which are close to the center of the rotary disc, are fixedly connected with a first limiting block, the upper end surface of the rotary disc is fixedly connected with a plurality of fixing blocks corresponding to the arc teeth, the outer walls of the fixing blocks are respectively provided with a straight notch, and the plurality of connecting rods are respectively connected with the fixing blocks in a sliding mode through the straight notch, so that the gear teeth and the arc teeth are blocked by centrifugal force generated when the rotary disc rotates fast.
Description
Technical Field
The utility model relates to the technical field of safety belt locking mechanisms, in particular to a high-precision locking block for an automobile safety belt.
Background
The automobile seat belt is a safety device for restraining an occupant during a collision, and for avoiding a secondary collision between the occupant and a steering wheel, an instrument panel, and the like during the collision, or for avoiding a dead injury caused by a collision of the occupant with the outside of the automobile. The automotive seat belt, which may also be referred to as a seat belt, is one type of occupant restraint device. Automotive harnesses are the cheapest and most effective safety device recognized, and in many countries the arming of vehicles is mandatory.
The locking block is one of important parts of the safety belt, and under normal conditions, an occupant can freely pull the safety belt on the seat at a constant speed, but when the vehicle encounters an emergency, the ratchet mechanism can perform locking action with the locking block to lock the safety belt automatically, so that the safety belt is prevented from being pulled out.
The shape of the existing locking block of the automobile safety belt is mostly an irregular polygon, so that the processing is difficult and the cost is high, and therefore, the high-precision locking block with a simple structure and regular shape is needed.
Disclosure of Invention
In order to achieve the above purpose, the utility model provides the high-precision locking block for the automobile safety belt, which is locked by enabling the gear teeth to be clamped with the arc-shaped teeth through centrifugal force generated when the turntable rotates rapidly, and has the characteristics of simple structure and reliable locking.
The utility model discloses a high-precision locking block for an automobile safety belt, which comprises a wheel disc, wherein a circular ring is fixedly connected to the edge of the upper end surface of the wheel disc, a plurality of gear teeth distributed in an array are fixedly connected to the outer wall, close to the center of the wheel disc, of the circular ring, a pin shaft is rotationally connected to the center of the upper end surface of the wheel disc, a rotary disc is fixedly connected to the outer wall of the pin shaft, a plurality of connecting shafts distributed in an array are fixedly connected to the upper end surface of the rotary disc, arc-shaped teeth matched with the gear teeth are rotationally connected to the outer walls of the connecting shafts, connecting rods are fixedly connected to the outer walls, close to the center of the rotary disc, of the arc-shaped teeth, and first limiting blocks are fixedly connected to the other ends of the connecting rods;
the upper end face of carousel fixedly connected with a plurality of fixed blocks corresponding with the arc tooth, a plurality of straight notch has all been seted up to the outer wall of fixed block, a plurality of the connecting rod is all through straight notch and fixed block sliding connection.
In order to facilitate the rebound of the arc teeth, the high-precision locking block for the automobile safety belt is preferably provided with a plurality of connecting rods, wherein the outer walls of the connecting rods are sleeved with springs, one ends of the springs are respectively and fixedly connected with a first limiting block, and the other ends of the springs are respectively and fixedly connected with a fixed block.
In order to enhance the locking effect, the high-precision locking block for the automobile safety belt is preferable, wherein the number of the gear teeth and the arc-shaped teeth is not less than three.
In order to prevent the gear teeth from sliding with the arc-shaped teeth during locking, the high-precision locking block for the automobile safety belt is preferable to be used for preventing the gear teeth from sliding with the arc-shaped teeth, wherein the included angle between the gear teeth and the circular ring is smaller than 90 degrees.
In order to facilitate that the safety belt can be pulled when not locked and can not be pulled when locked, as the high-precision locking block for the automobile safety belt, the minimum distance from the arc-shaped tooth to the pin shaft is preferably smaller than the distance from the gear tooth to the pin shaft, and the maximum distance from the arc-shaped tooth to the pin shaft is preferably larger than the distance from the gear tooth to the pin shaft.
In order to prevent the arc teeth from being separated from the connecting shaft, the high-precision locking block for the automobile safety belt is preferably provided with a plurality of second limiting blocks fixedly connected to the upper end faces of the connecting shafts.
Compared with the prior art, the utility model has the beneficial effects that:
this kind of high accuracy locking piece for automobile safety belt, the up end fixedly connected with of carousel a plurality of array distribution's even axle, the outer wall of a plurality of even axles all rotates and is connected with the arc tooth with teeth of a cogwheel assorted, a plurality of arc teeth are close to the equal fixedly connected with connecting rod of outer wall at carousel center, the first stopper of the equal fixedly connected with of the other end of a plurality of connecting rods, the spring has all been cup jointed to the outer wall of a plurality of connecting rods, the one end and the first stopper fixed connection of spring, the other end and the fixed block fixed connection of spring, when slowly pulling the safety belt, make arc tooth and fixed block in close contact through the spring, leave the clearance between arc tooth and the teeth of a cogwheel, make carousel and rim plate can rotate, when emergency appears, the safety belt pulling fast round pin axle rotates, and then drive the carousel and rotate along the round pin axle, a plurality of arc teeth outwards rotate along even axle under the effect of centrifugal force, make arc tooth and teeth block, thereby make carousel and rim plate locking, has simple structure, the characteristics that the locking is reliable.
Drawings
FIG. 1 is a block diagram showing the overall construction of a high-precision lock block for an automobile seat belt according to the present utility model;
FIG. 2 is a block diagram of a turntable according to the present utility model;
fig. 3 is a structural view of the arcuate tooth of the present utility model.
In the figure, 1, a wheel disc; 2. a turntable; 3. gear teeth; 4. a connecting shaft; 5. arc teeth; 6. a fixed block; 7. a connecting rod; 8. a spring; 9. a first limiting block; 10. a pin shaft; 11. a straight slot; 12. a circular ring; 13. and a second limiting block.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-3, a high-precision locking block for an automobile safety belt comprises a wheel disc 1, wherein a circular ring 12 is fixedly connected to the edge of the upper end surface of the wheel disc 1, a plurality of gear teeth 3 distributed in an array are fixedly connected to the outer wall, close to the center of the wheel disc 1, of the circular ring 12, a pin shaft 10 is rotatably connected to the center of the upper end surface of the wheel disc 1, a rotary disc 2 is fixedly connected to the outer wall of the pin shaft 10, a plurality of connecting shafts 4 distributed in an array are fixedly connected to the upper end surface of the rotary disc 2, arc-shaped teeth 5 matched with the gear teeth 3 are rotatably connected to the outer walls of the connecting shafts 4, connecting rods 7 are fixedly connected to the outer walls, close to the center of the rotary disc 2, of the arc-shaped teeth 5, and first limiting blocks 9 are fixedly connected to the other ends of the connecting rods 7;
the upper end face of the rotary table 2 is fixedly connected with a plurality of fixed blocks 6 corresponding to the arc-shaped teeth 5, straight notch 11 is formed in the outer wall of each fixed block 6, and a plurality of connecting rods 7 are in sliding connection with the fixed blocks 6 through the straight notch 11.
In this embodiment: when emergency appears, the safety belt pulls round pin axle 10 fast and rotates, and then drives carousel 2 and rotates, and then drives arc tooth 5 and rotate along round pin axle 10, and a plurality of arc teeth 5 outwards rotate along connecting axle 4 under the effect of centrifugal force, makes arc tooth 5 and the block of teeth of a cogwheel 3 to make carousel 2 and rim plate 1 lock, simple structure, locking are reliable.
As a technical optimization scheme of the utility model, the outer walls of the plurality of connecting rods 7 are sleeved with springs 8, one ends of the plurality of springs 8 are respectively and fixedly connected with a first limiting block 9, and the other ends of the plurality of springs 8 are respectively and fixedly connected with a fixed block 6.
In this embodiment: when the turntable 2 rotates slowly, the arc teeth 5 are in close contact with the fixed block 6 through the springs 8, so that the safety belt can be pulled conveniently when the safety belt is used at ordinary times.
As a technical optimization scheme of the utility model, the number of the gear teeth 3 and the arc-shaped teeth 5 is not less than three.
In this embodiment: the greater the number of teeth 3 and arcuate teeth 5, the faster the lock response speed.
As a technical optimization scheme of the utility model, the included angle between the gear teeth 3 and the circular ring 12 is smaller than 90 degrees.
In this embodiment: the included angle between the gear teeth 3 and the circular ring 12 is smaller than 90 degrees, so that one end of the arc-shaped teeth 5 is embedded into the gear teeth 3, and the gear teeth 3 and the arc-shaped teeth 5 are prevented from sliding.
As a technical optimization scheme of the utility model, the minimum distance from the arc-shaped tooth 5 to the pin shaft 10 is smaller than the distance from the gear tooth 3 to the pin shaft 10, and the maximum distance from the arc-shaped tooth 5 to the pin shaft 10 is larger than the distance from the gear tooth 3 to the pin shaft 10.
In this embodiment: when the safety belt is pulled slowly, the arc-shaped teeth 5 are in close contact with the fixed block 6 through the springs 8, at the moment, the distance from the arc-shaped teeth 5 to the pin shaft 10 is the minimum distance, the distance is smaller than the distance from the gear teeth 3 to the pin shaft 10, the turntable 2 and the wheel disc 1 can rotate, when an emergency happens, the safety belt pulls the turntable 2 to rotate rapidly, the arc-shaped teeth 5 rotate outwards under the action of centrifugal force, at the moment, the distance from the arc-shaped teeth 5 to the pin shaft 10 is the maximum distance, and the distance is larger than the distance from the gear teeth 3 to the pin shaft 10, so that the arc-shaped teeth 5 are clamped with the gear teeth 3, and the turntable 2 and the wheel disc 1 are locked.
As a technical optimization scheme of the utility model, the upper end surfaces of the connecting shafts 4 are fixedly connected with second limiting blocks 13.
In this embodiment: the second limiting block 13 prevents the arc-shaped teeth 5 from being separated from the connecting shaft 4.
The working principle of the utility model is as follows: when the safety belt is pulled slowly, the arc teeth 5 are in close contact with the fixed block 6 through the springs 8, gaps are reserved between the arc teeth 5 and the gear teeth 3, the rotary table 2 and the wheel disc 1 can rotate, when an emergency occurs, the safety belt pulls the pin shaft 10 to rotate rapidly, the rotary table 2 is driven to rotate, the arc teeth 5 are driven to rotate along the pin shaft 10, the arc teeth 5 rotate outwards along the connecting shaft 4 under the action of centrifugal force, the arc teeth 5 are clamped with the gear teeth 3, and accordingly the rotary table 2 and the wheel disc 1 are locked.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a high accuracy locking piece for automobile safety belt, includes rim plate (1), its characterized in that: the novel rotary table is characterized in that a circular ring (12) is fixedly connected to the edge of the upper end face of the rotary table (1), a plurality of gear teeth (3) distributed in an array are fixedly connected to the outer wall, close to the center of the rotary table (1), of the circular ring (12), a pin shaft (10) is rotatably connected to the center of the upper end face of the rotary table (1), a rotary table (2) is fixedly connected to the outer wall of the pin shaft (10), a plurality of connecting shafts (4) distributed in an array are fixedly connected to the upper end face of the rotary table (2), arc-shaped teeth (5) matched with the gear teeth (3) are rotatably connected to the outer wall, close to the center of the rotary table (2), of the arc-shaped teeth (5), connecting rods (7) are fixedly connected to the outer wall, close to the center of the rotary table (2), of the other ends of the connecting rods (7) are fixedly connected with first limiting blocks (9);
the upper end face of the rotary table (2) is fixedly connected with a plurality of fixed blocks (6) corresponding to the arc-shaped teeth (5), the outer walls of the fixed blocks (6) are provided with straight notches (11), and the connecting rods (7) are in sliding connection with the fixed blocks (6) through the straight notches (11).
2. The high-precision lock block for an automobile seat belt according to claim 1, wherein: the outer walls of the connecting rods (7) are sleeved with springs (8), one ends of the springs (8) are fixedly connected with the first limiting blocks (9) respectively, and the other ends of the springs (8) are fixedly connected with the fixed blocks (6) respectively.
3. The high-precision lock block for an automobile seat belt according to claim 1, wherein: the number of the gear teeth (3) and the arc-shaped teeth (5) is not less than three.
4. The high-precision lock block for an automobile seat belt according to claim 1, wherein: the included angle between the gear teeth (3) and the circular ring (12) is smaller than 90 degrees.
5. The high-precision lock block for an automobile seat belt according to claim 1, wherein: the minimum distance from the arc-shaped teeth (5) to the pin shaft (10) is smaller than the distance from the gear teeth (3) to the pin shaft (10), and the maximum distance from the arc-shaped teeth (5) to the pin shaft (10) is larger than the distance from the gear teeth (3) to the pin shaft (10).
6. The high-precision lock block for an automobile seat belt according to claim 1, wherein: the upper end faces of the connecting shafts (4) are fixedly connected with second limiting blocks (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199375.6U CN219687264U (en) | 2023-05-18 | 2023-05-18 | High-precision locking block for automobile safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199375.6U CN219687264U (en) | 2023-05-18 | 2023-05-18 | High-precision locking block for automobile safety belt |
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| Publication Number | Publication Date |
|---|---|
| CN219687264U true CN219687264U (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321199375.6U Active CN219687264U (en) | 2023-05-18 | 2023-05-18 | High-precision locking block for automobile safety belt |
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| CN (1) | CN219687264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119344943A (en) * | 2024-12-09 | 2025-01-24 | 天津市安定医院 | A restraint device for infusion of psychiatric patients |
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2023
- 2023-05-18 CN CN202321199375.6U patent/CN219687264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119344943A (en) * | 2024-12-09 | 2025-01-24 | 天津市安定医院 | A restraint device for infusion of psychiatric patients |
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