CN219277437U - Injection molding fixing buckle for side air curtain - Google Patents
Injection molding fixing buckle for side air curtain Download PDFInfo
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- CN219277437U CN219277437U CN202320318154.XU CN202320318154U CN219277437U CN 219277437 U CN219277437 U CN 219277437U CN 202320318154 U CN202320318154 U CN 202320318154U CN 219277437 U CN219277437 U CN 219277437U
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Abstract
The utility model discloses an injection molding fixing buckle for a side air curtain, which solves the problems that the weight of an air bag module is increased and the cost is increased due to the fact that the existing side air curtain fixing buckle is fixed by adopting a metal fixing sheet, and a locking gasket is required to be additionally arranged on the back of an air bag lug to be clamped with the lug, so that the installation is inconvenient. The buckle comprises a front clamping piece and a rear clamping piece, wherein bolt through holes corresponding to each other are respectively formed in the front clamping piece and the rear clamping piece, and the buckle is characterized in that: the front clamping piece and the rear clamping piece are injection molding pieces, the anti-rotation pins and lock holes are respectively arranged on two sides of the bolt perforation on the front clamping piece, the anti-rotation pins are vertically arranged with the front clamping piece, anti-rotation limiting holes and locking pins are respectively arranged on two sides of the bolt perforation on the rear clamping piece, during installation, the anti-rotation pins are inserted into the corresponding anti-rotation limiting holes, and the locking pins are inserted into and clamped in the corresponding lock holes. The beneficial effects are that: the weight of the module can be reduced, the installation convenience is enhanced, and the product cost is reduced.
Description
Technical Field
The utility model belongs to the field of automobile safety airbags, and particularly relates to an injection molding fixing buckle for a side air curtain.
Background
The safety airbag is an important part of a passive safety system of an automobile, and can be matched with a seat belt to provide effective anti-collision protection for passengers. The side air curtain is mainly used for separating personnel in the automobile from the side body of the automobile when the automobile is in side collision, so that the personnel of drivers and passengers are protected; when a side collision accident occurs to the vehicle, the side air curtain air bags can be unfolded in time, so that effective protection is formed for drivers and passengers, the damage degree of the accident to the heads and shoulders of the drivers and passengers is reduced, and secondary collision damage is avoided. Therefore, the effective fixation of the side air curtain air bag is very important, and the situation that the side air curtain does not fall off when in point explosion needs to be ensured, so that potential safety hazard to passengers is avoided.
In the development process of the air bag module at present, customers have higher requirements on the weight, the installation convenience and the cost control of the module on the premise of ensuring the functions of the air bag. In the prior art, the side air curtain is fixed by connecting a metal fixing sheet and a bolt, the length of the air curtain is increased according to the requirement of the existing development products, the installation fixing points are correspondingly increased to ensure firm connection, if the traditional metal fixing sheet is continuously adopted for fixing, the weight of the module is increased, the cost is increased, and the back of the air bag lug needs to be additionally provided with a locking gasket to be clamped with the lug, so that the air bag module is inconvenient to assemble.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the injection molding fixing buckle for the side air curtain, which can reduce the weight of a module, strengthen the installation convenience and reduce the product cost.
The technical scheme of the utility model is as follows:
the utility model provides a fixed buckle of moulding plastics for side air curtain, includes preceding clamping piece and back clamping piece, is equipped with the bolt perforation that corresponds each other on preceding clamping piece and back clamping piece respectively, and its special character is: the front clamping piece and the rear clamping piece are injection molding pieces, the anti-rotation pins and lock holes are respectively arranged on two sides of the bolt perforation on the front clamping piece, the anti-rotation pins are vertically arranged with the front clamping piece, anti-rotation limiting holes and locking pins are respectively arranged on two sides of the bolt perforation on the rear clamping piece, during installation, the anti-rotation pins are inserted into the corresponding anti-rotation limiting holes, and the locking pins are inserted into and clamped in the corresponding lock holes.
As a further preferable aspect, a reinforcing boss is provided at an outer end of the bolt penetration hole outside the front clip for increasing the bolt connection strength penetrating the bolt penetration hole.
As a further preferable aspect, elastic clips are uniformly distributed in the bolt through holes of the rear clip along the circumferential direction for preventing the bolts penetrating the bolt through holes from falling off.
Preferably, the cross section of the anti-rotation pin is rectangular, and a backstop fin is arranged on one side of the anti-rotation pin and is used for being clamped in the inner side of a limiting hole on the vehicle body to prevent the anti-rotation pin from being withdrawn when the anti-rotation pin is installed.
Further preferably, the locking hole is D-shaped to facilitate the locking of the locking pin after installation.
As a further preference, the front clip and the rear clip are an integral injection molding and are connected to each other on one side by a connecting rib, so as to facilitate installation.
As a further preferable mode, the front clamping piece and the rear clamping piece are integrated with one another into an injection molding piece, and the lower ends of the front clamping piece and the rear clamping piece are connected with one another through annular wrapping pieces and are used for wrapping the rolled air bags; the lower end of the annular wrapping sheet is axially provided with a weakening tearing notch for ejecting the air bag after being unfolded.
As a further preference, a plurality of hollowed-out openings are provided on the annular wrapper sheet to further reduce the weight of the module.
As a further preferable aspect, a plurality of reinforcing ribs are respectively provided at the outer sides of the connection parts between the front clamping piece and the rear clamping piece and the annular packing piece for improving the connection strength.
The beneficial effects of the utility model are as follows:
because the front clamping piece and the rear clamping piece are injection molding pieces, the weight of the module can be reduced, and the product cost is reduced; because the anti-rotation pin and the lock hole are respectively arranged on the two sides of the bolt perforation on the front clamping piece, and the anti-rotation limiting hole and the lock pin are respectively arranged on the two sides of the bolt perforation on the rear clamping piece, the air bag lug is clamped between the front clamping piece and the rear clamping piece during installation, and the air bag lug is tightly clamped between the front clamping piece and the rear clamping piece by respectively inserting the anti-rotation pin and the lock pin into the corresponding anti-rotation limiting hole and the lock hole; simultaneously insert in the spacing hole on the automobile body through the anti-rotation pin, when can prevent to screw the fixing bolt of inserting in the bolt perforation on preceding, the back clamping piece, this fixing buckle takes place to rotate along with fixing bolt, has strengthened the convenience of installation greatly.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Fig. 2 is an installation plan view of embodiment 1 of the present utility model.
Fig. 3 is a perspective view of the structure of fig. 2.
Fig. 4 is a schematic structural view of embodiment 2 of the present utility model.
Fig. 5 is an installation schematic of embodiment 2 of the present utility model.
Fig. 6 is an installation schematic of embodiment 2 of the present utility model.
In the figure: the device comprises a front clamping piece 1, a rear clamping piece 2, a connecting rib 3, an air bag lug 4, a fixing bolt 5, a bolt perforation 101, a reinforcing boss 102, an anti-rotation pin 103, a lock hole 104, a stop fin 105, a bolt perforation 201, an elastic card 202, an anti-rotation limiting hole 203, a lock pin 204, an annular wrapping piece 6, a weakening tearing notch 601, a hollowed opening 602, a reinforcing rib 603 and a side air curtain 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 3, the injection molding fixing buckle for a side air curtain provided by the utility model comprises a front clamping piece 1 and a rear clamping piece 2, bolt through holes 101 and 201 which are corresponding to each other are respectively arranged in the middle of the front clamping piece 1 and the rear clamping piece 2, and an annular reinforcing boss 102 is arranged at the outer end of the bolt through hole 101 outside the front clamping piece 1 and used for increasing the bolt connection strength penetrating into the bolt through hole. Elastic clamping pieces 202 are uniformly distributed in the bolt through holes 201 of the rear clamping piece 2 along the circumferential direction, and the inner diameter of each elastic clamping piece 202 is in interference fit with a fixing bolt inserted into the bolt through holes on the front clamping piece and the rear clamping piece, so that bolts penetrating into the bolt through holes are prevented from falling off.
The front clamping piece 1 and the rear clamping piece 2 are injection molded pieces, the anti-rotation pins 103 and the lock holes 104 are respectively arranged on two sides of a bolt through hole in the front clamping piece 1, the anti-rotation pins 103 are vertically arranged with the front clamping piece 1, the anti-rotation limiting holes 203 and the lock pins 204 are respectively arranged on two sides of the bolt through hole in the rear clamping piece 2, the anti-rotation pins 103 are inserted into the corresponding anti-rotation limiting holes 203 during installation, and the lock pins 204 are inserted into and clamped in the corresponding lock holes 104.
The cross section of the anti-rotation pin 103 is rectangular, the outer end of the anti-rotation pin is wedge-shaped, and a wedge-shaped anti-return fin 105 is arranged on one side of the anti-rotation pin 103 and is used for being clamped in the inner side of a limiting hole on a vehicle body to prevent the anti-rotation pin from exiting when being installed. The locking hole 104 is D-shaped to facilitate retention of the locking pin 204 after installation. The locking pins 204 are P-shaped and tapered at their outer ends to facilitate insertion and engagement in the corresponding locking holes 104.
In this embodiment, the front clamping piece 1 and the rear clamping piece 2 are an integral injection molding piece, and one sides of the front clamping piece and the rear clamping piece are connected with each other through a U-shaped connecting rib 3, so that the installation is convenient. The front clamping piece 1 and the rear clamping piece 2 can also be mutually independent split structures, and are shown in the figure.
When the anti-rotation lock is installed, the buckle is inserted from one side of the air bag lug to clamp the air bag lug 4 between the front clamping piece 1 and the rear clamping piece 2, the front clamping piece 1 and the rear clamping piece 2 are buckled, the anti-rotation pin 103 and the lock pin 204 are respectively inserted into the corresponding anti-rotation limit hole 203 and the lock hole 104, and the air bag lug 4 can be tightly clamped between the front clamping piece 1 and the rear clamping piece 2; the anti-rotation pin 103 is then inserted into a corresponding limiting hole in the vehicle body and is clamped inside the limiting hole in the vehicle body by the retaining fin 105. Finally, the fixing bolts 5 are inserted into the bolt holes on the front clamping piece 1 and the rear clamping piece 2 and screwed into the screw holes on the vehicle body.
Example 2
As shown in fig. 4 to 6, the injection molding fixing buckle for a side air curtain comprises a front clamping piece 1 and a rear clamping piece 2, wherein the front clamping piece 1 and the rear clamping piece 2 are integrated into an injection molding piece, and the lower ends of the front clamping piece 1 and the rear clamping piece 2 are connected with each other through an annular wrapping piece 6 and are used for wrapping a rolled air bag; a weakened tearing notch 601 is formed at the lower end of the annular wrapper sheet 6 along the axial direction of the annular wrapper sheet, and is used for tearing and ejecting the weakened tearing notch after the air bag is unfolded. A plurality of rectangular hollowed-out openings 602 are provided on the annular packing sheet 6 to further reduce the weight of the module. A plurality of reinforcing ribs 603 are respectively arranged at the outer sides of the connecting parts between the front clamping piece 1 and the rear clamping piece 2 and the annular wrapping piece 6 for improving the connecting strength. Other structures of this embodiment are the same as those of embodiment 1, and the description of this embodiment is omitted.
During installation, the buckle is sleeved from the position below the folded and rolled side air curtain 7 corresponding to each air bag lug 4, the rolled side air curtain 7 is wrapped in the annular wrapping sheet 6, the air bag lugs 4 are clamped between the front clamping sheet 1 and the rear clamping sheet 2, the front clamping sheet 1 and the rear clamping sheet 2 are buckled, the anti-rotation pin 103 and the lock pin 204 are respectively inserted into the corresponding anti-rotation limiting holes 203 and the lock holes 104, and the air bag lugs can be tightly clamped between the front clamping sheet 1 and the rear clamping sheet 2; the anti-rotation pin 103 is then inserted into a corresponding limiting hole in the vehicle body and is clamped inside the limiting hole in the vehicle body by the retaining fin 105. Finally, the fixing bolts are inserted into the bolt holes on the front clamping piece 1 and the rear clamping piece 2 and screwed into the screw holes on the vehicle body.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (9)
1. The utility model provides a fixed buckle of moulding plastics for side air curtain, includes preceding clamping piece and back clamping piece, is equipped with the bolt perforation that corresponds each other on preceding clamping piece and back clamping piece respectively, characterized by: the front clamping piece and the rear clamping piece are injection molding pieces, the anti-rotation pins and lock holes are respectively arranged on two sides of the bolt perforation on the front clamping piece, the anti-rotation pins are vertically arranged with the front clamping piece, anti-rotation limiting holes and locking pins are respectively arranged on two sides of the bolt perforation on the rear clamping piece, during installation, the anti-rotation pins are inserted into the corresponding anti-rotation limiting holes, and the locking pins are inserted into and clamped in the corresponding lock holes.
2. The injection molding fixing buckle for a side air curtain according to claim 1, wherein: the outer side of the front clamping piece is provided with a reinforcing boss at the outer end of the bolt perforation for increasing the bolt connection strength penetrating into the bolt perforation.
3. The injection molding fixing buckle for a side air curtain according to claim 1, wherein: elastic clamping pieces are uniformly distributed in the bolt through holes of the rear clamping pieces along the circumferential direction and are used for preventing bolts penetrating the bolt through holes from falling off.
4. The injection molding fixing buckle for a side air curtain according to claim 1, wherein: the cross section of the anti-rotation pin is rectangular, and one side of the anti-rotation pin is provided with a backstop fin which is used for being clamped in the inner side of a limiting hole on the vehicle body to prevent the vehicle body from exiting during installation.
5. The injection molding fixing buckle for a side air curtain according to claim 1, wherein: the lock hole is D-shaped, so that the lock pin is clamped after installation.
6. The injection molding fixing clip for a side curtain as claimed in any one of claims 1 to 5, wherein: the front clamping piece and the rear clamping piece are integrated injection molding pieces, and one sides of the front clamping piece and the rear clamping piece are connected with each other through connecting ribs, so that the front clamping piece and the rear clamping piece are convenient to install.
7. The injection molding fixing clip for a side curtain as claimed in any one of claims 1 to 5, wherein: the front clamping piece and the rear clamping piece are integrated injection molding pieces, and the lower ends of the front clamping piece and the rear clamping piece are connected with each other through annular wrapping pieces and are used for wrapping the rolled air bags; the lower end of the annular wrapping sheet is axially provided with a weakening tearing notch for ejecting the air bag after being unfolded.
8. The injection molding fixing buckle for the side air curtain according to claim 7, wherein: the annular wrapping sheet is provided with a plurality of hollowed-out openings so as to further reduce the weight of the module.
9. The injection molding fixing buckle for the side air curtain according to claim 7, wherein: and a plurality of reinforcing ribs are respectively arranged on the outer sides of the connecting parts between the front clamping piece and the annular wrapping piece and are used for improving the connecting strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318154.XU CN219277437U (en) | 2023-02-27 | 2023-02-27 | Injection molding fixing buckle for side air curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318154.XU CN219277437U (en) | 2023-02-27 | 2023-02-27 | Injection molding fixing buckle for side air curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219277437U true CN219277437U (en) | 2023-06-30 |
Family
ID=86921850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320318154.XU Active CN219277437U (en) | 2023-02-27 | 2023-02-27 | Injection molding fixing buckle for side air curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219277437U (en) |
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2023
- 2023-02-27 CN CN202320318154.XU patent/CN219277437U/en active Active
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