CN219565017U - Webbing mounting structure of safety belt - Google Patents
Webbing mounting structure of safety belt Download PDFInfo
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- CN219565017U CN219565017U CN202320088005.9U CN202320088005U CN219565017U CN 219565017 U CN219565017 U CN 219565017U CN 202320088005 U CN202320088005 U CN 202320088005U CN 219565017 U CN219565017 U CN 219565017U
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- belt
- transition
- steel wire
- pipeline
- webbing
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Abstract
The utility model discloses a webbing mounting structure of a safety belt, relates to the field of vehicle safety belts, and can solve the problem that in the prior art, friction force between a belt body of the safety belt and a pipeline is large, and the pretightening distance is influenced. The braid installation structure comprises a braid body, a narrow piece, a pipeline and a steel wire, wherein the braid body comprises a main band, a transition band connected to one end of the main band and a connecting band connected to one end of the transition band away from the main band, and one end of the steel wire is connected with a connector matched with the connecting band; the length of the transition zone is greater than the pre-tightening distance of the steel wire, and the cross section of the transition zone is matched with the cross section of the penetration hole.
Description
Technical Field
The utility model relates to the field of vehicle safety belts, in particular to a webbing mounting structure of a safety belt.
Background
The seat belt has become a primary consideration for the driver and the passenger, and is one of the most important performances of the automobile and the like. The automobile safety belt has the function that when the automobile collides or emergency braking is used, the pretensioner can instantly retract, and the slacken safety belt is tightened when the automobile safety belt is worn, so that an occupant is firmly fastened on the seat, and secondary collision is prevented. Once the binding force of the safety belt exceeds a certain limit, the force limiting device can properly loosen the safety belt, and the chest is kept to be stressed stably. Therefore, the automobile safety belt plays a role in restraining displacement and buffering, absorbs impact energy, solves inertia force, and avoids or reduces the injury degree of drivers and passengers.
In the prior art, as shown in fig. 1, the safety belt structure comprises a belt body 1, a narrow piece 4, a pipeline 3 and a steel wire 2, wherein the narrow piece 4 is connected to one end of the pipeline 3 (the narrow piece 4 is not shown in fig. 1, and reference is made to the parts of fig. 2 and 4), the narrow piece 4 is provided with a penetration hole 41 matched with the pipeline 3, the steel wire 2 is arranged in the pipeline 3, one end of the steel wire 2 is provided with a connector 21, the other end is connected with a piston pushed by an initiator, one end of the belt body 1 is braided and sewn into a connecting belt 11 matched with the connector 21, the connecting belt 11 penetrates into the connecting hole 211 of the connector 21, namely, the steel wire 2 is connected with the belt body 1, when an automobile encounters an emergency, an initiator in the automobile detonates, the steel wire 2 is rapidly pulled into the pipeline 3, and then the safety belt part is pulled into the pipe, thus the safety belt can be tightened, and the life safety of passengers and drivers can be protected; however, after the connecting band 11 of the band body 1 is woven and stitched, the hardness is increased (the band body 1 is not loosened by continuous stitching, the band body is more compact and has high hardness), the connecting band 11 is in a splayed structure, when entering the pipeline 3, the end part of the connecting band 11 firstly enters the penetration hole 41 of the narrow piece 4, then the tail part of the connecting band 11 enters the penetration hole 41, the tail part of the connecting band 11 is larger than the width of the penetration hole 41, when the tail part of the connecting band 11 abuts against the penetration hole 41, the connecting band 11 can enter the pipeline 3 after being extruded and deformed, however, the hardness of the connecting band 11 is larger, so that the friction force between the connecting band 11 and the pipeline 3 is larger, the pretightening force of an initiator is generated, the pretightening distance is influenced, and the safe use of the safety band is influenced.
Disclosure of Invention
Therefore, the utility model provides a webbing installation structure of a safety belt, which aims to solve the problem that the friction force between a belt body of the safety belt and a pipeline in the prior art is large, and the pretightening distance is influenced.
In order to achieve the above object, the present utility model provides the following technical solutions:
the webbing installation structure of the safety belt comprises a belt body, a narrow piece, a pipeline and a steel wire, wherein the narrow piece is connected to one end of the pipeline, the narrow piece is provided with a penetration hole matched with the pipeline, the steel wire is arranged in the pipeline, one end of the steel wire is connected with one end of the belt body, the other end of the steel wire is connected with a piston pushed by an initiator, and the belt body is used for penetrating into the pipeline through the penetration hole; the belt body comprises a main belt, a transition belt connected to one end of the main belt and a connecting belt connected to one end of the transition belt away from the main belt, and one end of the steel wire is connected with a connector matched with the connecting belt; the length of the transition zone is greater than the pre-tightening distance of the steel wire, and the cross section of the transition zone is matched with the cross section of the penetration hole.
Preferably, the main belt, the transition belt and the connecting belt are one piece.
Preferably, the transition belt is made by folding and sewing two side edges of the webbing inwards, and the connecting belt is formed by sewing the webbing and is provided with a belt ring matched with the connecting hole of the connector.
Preferably, the wall of the penetration hole is rectangular in cross section along a direction perpendicular to the length extension direction of the pipe.
Preferably, the penetration hole is far away from the hole wall of the pipeline and is provided with a transition cambered surface which is convenient for the transition belt to penetrate in the circumferential direction.
Preferably, the pre-tightening distance is 160mm, the length of the connecting belt is 15mm, and the length of the transition belt is 170-180mm.
The utility model has the following advantages:
when the vehicle encounters an emergency, the exploder detonates, the piston of the exploder rapidly contracts, the steel wire is rapidly pulled into the pipeline, the steel wire traction belt body rapidly contracts towards the inside of the pipe, so that the safety belt (the belt body is a part of the safety belt) can be tightened, the design distance of the steel wire moving under the traction of the exploder is a pre-tightening distance, the length of the transition belt is larger than the pre-tightening distance of the steel wire, the cross section of the transition belt is matched with the cross section of the penetrating hole, the transition belt can smoothly enter the pipeline under the traction of the steel wire, the transition belt cannot generate larger friction with the extrusion of the wall of the penetrating hole due to the large size, and the pre-tightening distance of the design of the steel wire traction is affected.
Drawings
In order to more intuitively illustrate the prior art and the utility model, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings are not generally considered limiting conditions in carrying out the utility model; for example, those skilled in the art will be able to make routine adjustments or further optimizations for the addition/subtraction/attribution division, specific shapes, positional relationships, connection modes, dimensional proportion relationships, and the like of certain units (components) based on the technical concepts and the exemplary drawings disclosed in the present utility model.
FIG. 1 is a schematic view of a portion of a seat belt structure in the prior art;
fig. 2 is a schematic view showing a part of a webbing mounting structure of a seat belt according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a belt body and steel wire matching structure of a webbing mounting structure of a seat belt according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a fitting structure of a narrow piece and a steel wire of a webbing mounting structure of a seat belt according to an embodiment of the present utility model;
fig. 5 is a schematic view showing a part of a structural dimension of a webbing mounting structure of a seat belt according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a belt body; 11. a connecting belt; 12. a transition zone; 13. a main belt; 2. a steel wire; 21. a connector; 211. a connection hole; 3. a pipe; 4. a stenosis; 41. penetrating into the hole.
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: the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed but inherent to such process, method, article, or apparatus or steps or elements added to further optimization schemes based on the inventive concepts.
Referring to fig. 2 to 5, the utility model discloses a webbing installation structure of a safety belt, comprising a belt body 1, a narrow piece 4, a pipeline 3 and a steel wire 2, wherein the narrow piece 4 is connected with one end of the pipeline 3, the narrow piece 4 is formed with a penetration hole 41 matched with the pipeline 3, the steel wire 2 is arranged in the pipeline 3, one end of the steel wire 2 is connected with one end of the belt body 1, the other end is connected with a piston pushed by an initiator, and the belt body 1 is used for penetrating into the pipeline 3 through the penetration hole 41; the belt body 1 comprises a main belt 13, a transition belt 12 connected to one end of the main belt 13 and a connecting belt 11 connected to one end of the transition belt 12 far away from the main belt 13, and one end of the steel wire 2 is connected with a connector 21 matched with the connecting belt 11;
the length of the transition zone 12 (L2 in fig. 5) is greater than the pre-tightening distance of the steel wire 2 (P in fig. 5), and the cross section of the transition zone 12 is adapted to the cross section of the penetration hole 41.
When the vehicle encounters an emergency, the exploder detonates, the piston of the exploder is quickly contracted, the steel wire 2 is quickly pulled into the pipeline 3, the steel wire 2 pulls the belt body 1 to quickly contract inwards, in this way, the safety belt (the belt body 1 is a part of the safety belt) can be tightened, the design distance of the steel wire 2 moving under the traction of the exploder is a pre-tightening distance, the length of the transition belt 12 is larger than the pre-tightening distance of the steel wire 2, and the cross section of the transition belt 12 is matched with the cross section of the penetrating hole 41, in this way, the transition belt 12 can smoothly enter the pipeline 3 under the traction of the steel wire 2, the transition belt 12 cannot generate larger friction with the extrusion of the wall of the penetrating hole 41 due to the large size, and the pre-tightening distance of the design of the traction of the steel wire 2 is affected.
It should be further explained here that the cross section of the transition zone 12 is adapted to the cross section of the penetration hole 41, meaning that the cross section of the transition zone 12 is smaller than the cross section of the penetration hole 41, so that the transition zone 12 can smoothly enter the pipe 3 under the traction of the steel wire 2.
The connecting band 11 is generally positioned in the penetration hole 41, and the connecting band 11 can smoothly move in the pipeline 3 under the traction of the steel wire 2, and does not generate large friction force with the inner wall of the pipeline 3.
The friction force of the normal contact between the transition belt 12 and the wall of the penetration hole 41 does not affect the pre-tightening distance of the steel wire 2, and the larger friction force in the prior art is due to the larger size of the belt body 1, and generates larger friction force with the wall of the penetration hole 41, and the friction force generates larger resistance to affect the pre-tightening distance of the steel wire 2.
Normally, the connection strap 11 is generally located in the penetration hole 41.
It should be further explained that the pre-tightening distance is the design distance for the steel wire 2 to be pulled, and the narrow piece 4, the pipe 3 and the steel wire 2 are all in the prior art, which is not described in detail in the present utility model.
The wall of the penetration hole 41 has a rectangular cross section in a direction perpendicular to the longitudinal extension direction of the pipe 3. The width of the penetration hole 41 is the length of the rectangle, the thickness of the penetration hole 41 is the width of the rectangle, and the rectangular section of the penetration hole 41 is adapted to the shape of the transition zone 12.
The main belt 13, the transition belt 12 and the connecting belt 11 are one piece. The integral piece is made of webbing.
The transition belt 12 is formed by folding and sewing both side edges of the webbing inward, and the connecting belt 11 is formed by sewing the webbing into a belt loop which is fitted with the connecting hole 211 of the connecting head 21. The two side edges of the transition belt 12 are arc-shaped along the length direction of the transition belt 12, and the width of one end of the transition belt 12 close to the connecting belt 11 is smaller than the width of one end of the transition belt 12 far away from the connecting belt 11; the strap loop of the connection strap 11 penetrates the connection hole 211 of the connection head 21.
Referring to fig. 4 to 5, the penetration holes 41 are formed with transition cambered surfaces in the circumferential direction thereof away from the wall of the pipe 3, which facilitate penetration of the transition zone 12. The transition cambered surface can reduce the friction force between the transition belt 12 and the narrow piece 4.
The pre-tightening distance is 160mm, the length of the connecting band 11 (at L1 in FIG. 5) is 15mm, and the length of the transition band 12 is 170-180mm.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present utility model; but these conventional modifications and further innovations may also fall within the scope of the claims of the present utility model as long as they do not depart from the technical spirit of the present utility model.
Claims (6)
1. The webbing installation structure of the safety belt comprises a belt body, a narrow piece, a pipeline and a steel wire, wherein the narrow piece is connected to one end of the pipeline, the narrow piece is provided with a penetration hole matched with the pipeline, the steel wire is arranged in the pipeline, one end of the steel wire is connected with one end of the belt body, the other end of the steel wire is connected with a piston pushed by an initiator, and the belt body is used for penetrating into the pipeline through the penetration hole;
the method is characterized in that:
the belt body comprises a main belt, a transition belt connected to one end of the main belt and a connecting belt connected to one end of the transition belt away from the main belt, and one end of the steel wire is connected with a connector matched with the connecting belt;
the length of the transition zone is greater than the pre-tightening distance of the steel wire, and the cross section of the transition zone is matched with the cross section of the penetration hole.
2. The webbing mounting structure of claim 1, wherein said main strap, said transition strap and said connecting strap are one piece.
3. The webbing mounting structure according to claim 1, wherein the transition strap is made by folding and sewing both side edges of the webbing inwardly, and the connecting strap is formed by stitching the webbing with a strap ring fitted with the connecting hole of the connecting head.
4. The webbing mounting structure according to claim 1, wherein a cross-section of a hole wall of the penetration hole along a direction perpendicular to a length extending direction of the pipe is rectangular.
5. The webbing mounting structure according to claim 1, wherein the penetration hole is formed with a transition cambered surface in a circumferential direction thereof away from a hole wall of the pipe, the transition cambered surface facilitating penetration of the transition webbing.
6. The webbing mounting structure of claim 1, wherein said pretensioning distance is 160mm, said connecting strap length is 15mm, and said transition strap length is 170-180mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320088005.9U CN219565017U (en) | 2023-01-30 | 2023-01-30 | Webbing mounting structure of safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320088005.9U CN219565017U (en) | 2023-01-30 | 2023-01-30 | Webbing mounting structure of safety belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219565017U true CN219565017U (en) | 2023-08-22 |
Family
ID=87646360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320088005.9U Active CN219565017U (en) | 2023-01-30 | 2023-01-30 | Webbing mounting structure of safety belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219565017U (en) |
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2023
- 2023-01-30 CN CN202320088005.9U patent/CN219565017U/en active Active
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