CN210554667U - Safety belt pretensioner and vehicle - Google Patents
Safety belt pretensioner and vehicle Download PDFInfo
- Publication number
- CN210554667U CN210554667U CN201921197464.0U CN201921197464U CN210554667U CN 210554667 U CN210554667 U CN 210554667U CN 201921197464 U CN201921197464 U CN 201921197464U CN 210554667 U CN210554667 U CN 210554667U
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- safety belt
- controller
- gas generator
- signal receiver
- ball
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Abstract
The utility model discloses a safety belt pretensioner and vehicle, this safety belt pretensioner include explosion spare, ball guide and safety belt coiler, explosion spare includes radio signal receiver, controller and gas generator, be provided with the ball in the ball guide, the input of controller with radio signal receiver communication connection, the control end of controller with gas generator's one end communication connection, gas generator's the other end with ball guide intercommunication, and pass through ball control the safety belt coiler tightens up the safety belt. Implement the utility model discloses, receive the point through wireless signal receiver and explode the signal to will explode signal transmission to controller, explode through controller control gas generator point, produce high-pressure gas, make the safety belt coiler tighten up the safety belt, small need not to arrange the pencil in the automobile body, simplify whole car installation, reduce the transportation of part and store the cost.
Description
Technical Field
The utility model relates to the technical field of automobiles, especially, relate to a safety belt pretensioner and vehicle.
Background
Automobiles are indispensable vehicles for human beings, and safety belts are important parts of automobiles for protecting the traffic safety of drivers and passengers, and can restrain passengers in collision, avoid secondary collision between the passengers and a steering wheel, an instrument panel and the like in collision, or rush out of the automobiles to cause casualties in collision.
The retractor is an important component of a seat belt, and a pre-tightening device in the retractor can promote the webbing of an occupant to be tightened and locked when a vehicle collides, so that the occupant is fixed on the seat to avoid collision.
At present, the tightening function (also called pretensioning) of a seat belt retractor is that an airbag control module transmits an electric signal to a gas generator through a wire harness, and high-pressure gas is generated to excite a mechanical structure to move so as to promote webbing recovery. The existing safety belt pretensioner needs to arrange a wire harness in a vehicle body, so that the mounting complexity of the whole vehicle is increased, and the transportation and storage costs of parts such as the wire harness are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety belt pretensioner and vehicle, it is small, need not to arrange the pencil in the automobile body, simplify the installation of whole car, reduce the transportation storage cost of part.
The technical scheme of the utility model a safety belt pretensioner is provided, including explosion spare, ball guide and safety belt coiler, explosion spare includes radio signal receiver, controller and gas generator, be provided with the ball in the ball guide, the input of controller with radio signal receiver communication connection, the control end of controller with gas generator's one end communication connection, gas generator's the other end with ball guide intercommunication, and pass through ball control the safety belt coiler tightens up the safety belt.
Further, the wireless signal receiver is a 5G wireless signal receiver.
Further, the safety belt retractor comprises a shell, and a mandrel connected with the safety belt is arranged in the shell.
Further, the safety belt retractor further comprises a side cover, an opening is formed in the side face of the housing, and the side cover closes the opening.
Further, the ball guide includes the casing, be provided with in the casing and hold the chamber that holds of ball, the one end that holds the chamber with gas generator intercommunication, the other end that holds the chamber with safety belt coiler intercommunication.
Further, the housing is disposed inside the side cover and bent in an arc shape.
Further, the controller is an analog-to-digital converter.
Further, the explosive element also comprises a power supply electrically connected with the wireless signal receiver.
After adopting above-mentioned technical scheme, have following beneficial effect: receive the point through wireless signal receiver and explode the signal to with the point signal transmission to controller that explodes, explode through controller control gas generator point, produce high-pressure gas, make the safety belt coiler tighten up the safety belt, small need not to arrange the pencil in the automobile body, simplify whole car installation, reduce the transportation of part and store the cost.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic structural view of a seat belt pretensioner according to an embodiment of the present invention;
figure 2 is a schematic diagram of the structure of the explosive element shown in figure 1;
fig. 3 is a sectional view of the seatbelt retractor shown in fig. 1.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
Example one
As shown in fig. 1-3, fig. 1 is a schematic structural diagram of a seat belt pretensioner according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of an explosive member shown in fig. 1, fig. 3 is a cross-sectional diagram of a seat belt retractor shown in fig. 1, the seat belt pretensioner includes an explosive member 11, a ball guide 12, and a seat belt retractor 13, the explosive member 11 includes a wireless signal receiver 111, a controller 112, and a gas generator 113, a ball 14 is disposed in the ball guide 12, an input end of the controller 112 is communicatively connected to the wireless signal receiver 111, a control end of the controller 112 is communicatively connected to one end of the gas generator 113, and the other end of the gas generator 113 is communicated to the ball guide 12, and controls the seat belt retractor 13 to tighten a seat belt 15 through the ball 14.
The wireless signal receiver 111 is connected with the airbag control module and is used for receiving an explosion signal sent by the airbag control module.
The controller 112 is used for receiving the detonation signal sent by the wireless signal receiver 111 and controlling the gas generator 113 to be opened or closed.
The gas generator 113 is used for charging the ball guide 12, and the gas generator 113 is a conventional gas generator, and mainly comprises a generator body, an explosive, and an igniter-connector assembly, and generates high-pressure gas by igniting the explosive.
Preferably, to improve quality and accuracy, the balls 14 are steel balls.
When a vehicle collides, the vehicle body sensor sends an explosion signal to the air bag control module, the wireless signal receiver 111 receives the explosion signal and then sends the explosion signal to the controller 112, the controller 112 controls the gas generator 113 to be opened to generate high-pressure gas, the high-pressure gas directly rushes out of the other end of the gas generator 113 into the ball guide 12 to push the ball 14 to move to the side of the safety belt retractor 13, and the safety belt retractor 13 tightens the safety belt 15 under the action of gravity of the ball 14, so that the safety belt pre-tightening effect is realized.
The utility model provides a safety belt pretensioner receives the point through wireless signal receiver and explodes the signal to will explode the signal transmission to controller, explode through controller control gas generator point, produce high-pressure gas, make the safety belt coiler tighten up the safety belt, small need not to arrange the pencil in the automobile body, simplifies the installation of whole car, reduces the transportation storage cost of part.
Optionally, the wireless signal receiver 111 is a 5G wireless signal receiver.
The signal transmission time of the 5G wireless signal receiver is less than 1 millisecond, the response speed is high, the delay is reduced, and the accuracy of the safety belt retractor is improved.
Optionally, the seatbelt retractor 13 includes a housing 131, and a spindle 132 connected to the seatbelt 15 is provided within the housing 131.
The spindle 132 is used to rotate the safety belt 15. When the vehicle is in collision, the ball 14 is pushed by the explosive element 11 to push the spindle 132 to rotate, so as to drive the safety belt 15 to rotate, and the safety belt is tightened.
Alternatively, for convenience of maintenance and improvement of the appearance, the seatbelt retractor 13 further includes a side cover 133, and a side surface of the housing 131 is provided with an opening (not shown), and the side cover 133 closes the opening.
Alternatively, the ball guide 12 includes a housing 121, and a housing chamber (not shown) for housing the ball 14 is provided in the housing 121, one end of the housing chamber communicates with the gas generator 113, and the other end of the housing chamber communicates with the seatbelt retractor 13.
Alternatively, the case 121 is disposed inside the side cover and bent in an arc shape.
Optionally, the controller 112 is an analog-to-digital converter.
The controller 112 is an analog-to-digital converter, and converts the explosion signal received by the wireless signal receiver 111 into an electric signal, and causes the gas generator 113 to trigger generation of high-pressure gas, thereby pushing the ball 14 to move toward the seatbelt retractor 13.
Optionally, explosive member 11 further comprises a power source 114 electrically connected to wireless signal receiver 111.
The power supply 114 is used for supplying power to the wireless signal receiver 111, and the power supply 114 may be one of a button battery, a nickel-chromium battery and a lithium battery, and may also be a vehicle body power supply.
Example two
On the basis of the first embodiment, the second embodiment is a vehicle structure including the first embodiment, and therefore, the same parts as those in the first embodiment are not described again. The vehicle comprises a seat belt, and a seat belt pretensioner as described, the seat belt being coupled to a seat belt retractor of the seat belt pretensioner.
The utility model provides a vehicle receives the point through wireless signal receiver and explodes the signal to will explode the signal transmission to controller, explode through controller control gas generator point, produce high-pressure gas, make the safety belt coiler tighten up the safety belt, small need not to arrange the pencil in the automobile body, simplifies the installation of whole car, reduces the transportation storage cost of part.
To sum up, the utility model provides a safety belt pretensioner and vehicle receives the point through wireless signal receiver and explodes the signal to will explode the signal transmission to controller, explode through controller control gas generator point, produce high-pressure gas, make the safety belt coiler tighten up the safety belt, small need not to arrange the pencil in the automobile body, simplifies the installation of whole car, reduces the transportation storage cost of part.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (9)
1. The utility model provides a safety belt pretensioner which characterized in that, includes explosive, ball guide and safety belt coiler, the explosive includes wireless signal receiver, controller and gas generator, be provided with the ball in the ball guide, the input of controller with wireless signal receiver communication connection, the control end of controller with gas generator's one end communication connection, gas generator's the other end with ball guide intercommunication, and pass through ball control the safety belt coiler tightens up the safety belt.
2. The seat belt pretensioner of claim 1, wherein the wireless signal receiver is a 5G wireless signal receiver.
3. The seatbelt pretensioner according to claim 1, wherein the seatbelt retractor comprises a housing having a spindle disposed therein that is coupled to the seatbelt.
4. The seatbelt pretensioner according to claim 3, wherein the seatbelt retractor further comprises a side cover, a side surface of the housing is provided with an opening, and the side cover closes the opening.
5. The seatbelt pretensioner according to claim 4, wherein the ball guide includes a housing in which a receiving chamber for receiving the ball is provided, one end of the receiving chamber communicating with the gas generator, and the other end of the receiving chamber communicating with the seatbelt retractor.
6. The seatbelt pretensioner according to claim 5, wherein the housing is provided in the side cover and bent in an arc shape.
7. The seat belt pretensioner of claim 1, wherein the controller is an analog to digital converter.
8. The seat belt pretensioner according to any of claims 1 to 7, wherein the explosive member further comprises a power source electrically connected to the wireless signal receiver.
9. A vehicle comprising a seat belt, further comprising a seat belt pretensioner according to any of claims 1 to 8, the seat belt being connected to the seat belt retractor of the seat belt pretensioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921197464.0U CN210554667U (en) | 2019-07-29 | 2019-07-29 | Safety belt pretensioner and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921197464.0U CN210554667U (en) | 2019-07-29 | 2019-07-29 | Safety belt pretensioner and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210554667U true CN210554667U (en) | 2020-05-19 |
Family
ID=70674444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921197464.0U Active CN210554667U (en) | 2019-07-29 | 2019-07-29 | Safety belt pretensioner and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210554667U (en) |
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2019
- 2019-07-29 CN CN201921197464.0U patent/CN210554667U/en active Active
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