CN217901156U

CN217901156U - Safety airbag gunpowder generator trigger spring detection device

Info

Publication number: CN217901156U
Application number: CN202221384885.6U
Authority: CN
Inventors: 刘军
Original assignee: Jiaxing Saijie Spring Manufacturing Co ltd
Current assignee: Jiaxing Saijie Spring Manufacturing Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-25
Anticipated expiration: 2032-05-31

Abstract

The utility model provides an air bag gunpowder generator trigger spring detection device, this air bag gunpowder generator trigger spring detection device include the testboard, be provided with the stairstepping fixed column on the testboard, the stairstepping fixed column is formed by the concatenation of a plurality of cylinder end to end, the centre of a circle of a plurality of cylinder is located same vertical line, the diameter of a plurality of cylinder increases from top to bottom in proper order. The ladder-shaped fixed column is used for placing the spring that awaits measuring, and the spring can be finally placed on a diameter is greater than the cylinder of this spring internal diameter, and inside the last cylinder that the cylinder of spring was placed to the top surface can insert the spring, and the diameter of this cylinder is less than but is close to the internal diameter of spring to when the spring takes place the slope, can produce one in the bottom and block the effect to the spring, make the difficult slope that takes place of spring.

Description

Safety airbag gunpowder generator trigger spring detection device

Technical Field

The utility model belongs to the technical field of the spring, concretely relates to air bag gunpowder generator triggers spring detection device.

Background

An airbag in a vehicle is a structure that is popped up when an accident occurs in the vehicle, thereby protecting the life safety of a driver. A trigger spring is arranged in a gunpowder generator of the safety airbag, and the trigger spring is provided with different specifications according to different vehicles.

The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and restores the original shape after the external force is removed. Because the trigger spring of air bag gunpowder generator is more important, consequently, need carry out elasticity to it and detect, and when detecting, generally place the spring on a cylinder, then press the spring through the pressure detection module and realize detecting. When springs of different specifications are used, a cylinder for placing the springs may have a smaller diameter than an inner diameter of the springs, so that the springs placed on the cylinder are inclined when being pressed, and finally, the test result is inaccurate.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide an air bag gunpowder generator triggers spring detection device for when placing the spring of different specifications, all difficult spring slopes to improve the testing result rate of accuracy.

In order to achieve the purpose, the utility model provides an air bag gunpowder generator trigger spring detection device, this air bag gunpowder generator trigger spring detection device include the testboard, be provided with the stairstepping fixed column on the testboard, the stairstepping fixed column is formed by the concatenation of a plurality of cylinder end to end, the centre of a circle of a plurality of cylinder is located same vertical line, the diameter of a plurality of cylinder increases from top to bottom in proper order.

The ladder-shaped fixed column is used for placing the spring that awaits measuring, and the spring can be finally placed on a diameter is greater than the cylinder of this spring internal diameter, and inside the last cylinder that the cylinder of spring was placed to the top surface can insert the spring, and the diameter of this cylinder is less than but is close to the internal diameter of spring to when the spring takes place the slope, can produce one in the bottom and block the effect to the spring, make the difficult slope that takes place of spring.

In a possible implementation manner, a groove is formed in the front side face of the test board, a first opening is formed in the top face of the test board and communicated to the groove, and an air cylinder is arranged in the groove and connected to the bottom face of the stepped fixing column. The ladder-shaped fixing column can be adjusted to move up and down by the scheme.

In a possible implementation manner, a splicing hole is formed in the top surface of a first cylinder of the cylinders, a splicing block is arranged on the bottom surface of a second cylinder of the cylinders, the first cylinder is any one of the cylinders, and the second cylinder is one above the first cylinder.

In one possible implementation, the splice is disposed in the splice hole by a thread.

In a possible implementation manner, a first portal frame is arranged above the stepped fixing column, a second portal frame is arranged on the first portal frame, a second opening is formed in a top plate of the first portal frame, and an elastic detection module is arranged below the top plate of the second portal frame. The elasticity detection module is used for pressing the spring to test the pressure so as to determine the elasticity performance of the spring.

Drawings

FIG. 1 is a schematic structural view of a device for detecting a trigger spring of a powder generator of an airbag according to the present invention;

fig. 2 is a schematic diagram of the stepped fixing column splicing provided by the utility model.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

Referring to fig. 1 of the drawings, the utility model provides an air bag powder generator trigger spring detection device, this air bag powder generator trigger spring detection device include testboard 1, be provided with stairstepping fixed column 2 on the testboard 1, stairstepping fixed column 2 is formed by the concatenation of a plurality of cylinder end to end, the centre of a circle of a plurality of cylinder is located same vertical line, the diameter of a plurality of cylinder increases from top to bottom in proper order.

Stepped fixing column 2 is used for placing the spring that awaits measuring, and the spring can be finally placed on a diameter is greater than the cylinder of this spring internal diameter, and inside the last cylinder that the cylinder of spring was placed to the top surface can insert the spring, and the diameter of this cylinder is less than but is close to the internal diameter of spring to when the spring took place to incline, can produce one in the bottom and block the effect to the spring, make the difficult slope that takes place of spring.

In a possible implementation manner, a groove is formed in the front side face of the test board 1, a first opening 31 is formed in the top face of the test board 1, the first opening 31 is communicated to the groove, a cylinder 4 is arranged in the groove, and the cylinder 4 is connected to the bottom face of the stepped fixing column 2. The stepped fixing column 2 can be adjusted to move up and down by the scheme.

If the inner diameter of the spring to be tested is smaller, the spring to be tested can be placed on the cylinder which is closer to the upper part, and the stepped fixing column 2 needs to be moved downwards at the moment so that the placing position of the spring is lowered, and therefore the spring can be better tested.

As shown in fig. 2, in a possible implementation manner, a splicing hole 5 is provided on a top surface of a first cylinder of the cylinders, a splicing block 6 is provided on a bottom surface of a second cylinder of the cylinders, the first cylinder is any one of the cylinders, and the second cylinder is one above the first cylinder.

In a possible implementation, the splicing block 6 is arranged inside the splicing hole 5 by a thread.

A plurality of cylinder in above-mentioned stairstepping fixed column 2 realizes the concatenation through

splice

6 and 5 screw-thread fit in concatenation hole, when the internal diameter of a spring that awaits measuring is great but length is short, in order to avoid the cylinder of stairstepping fixed column 2 upside to wear out and be higher than the spring top surface influence test from spring inside, consequently need dismantle a plurality of cylinders of upside.

In a possible implementation manner, the outer edges of the top surfaces of the cylinders can be further provided with a clamp, and after the spring is placed on one cylinder, the clamp can clamp the bottom of the spring, so that the placing stability of the spring is further improved.

In a possible implementation manner, a first portal frame 71 is arranged above the stepped fixing column 2, a second portal frame 72 is arranged on the first portal frame 71, a second opening 32 is arranged on a top plate of the first portal frame 71, and an elastic detection module 8 is arranged below the top plate of the second portal frame 72. The elasticity detection module 8 is used to press the spring to test the pressure to determine the elastic properties of the spring. The elasticity detection module 8 is driven to lift through a driving device, and the driving device is connected with a pressing block and used for pressing the spring and detecting pressure, so that the elasticity performance of the spring is determined. The elasticity detection module 8 has the same principle as the elasticity detection mechanism of the spring detection device used in the prior art, and belongs to the prior art.

It is worth mentioning that the utility model discloses technical characteristics such as elasticity detection module that the patent application relates to should be regarded as prior art, and the concrete structure of these technical characteristics, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this area can, should not be regarded as the utility model discloses a point is located, the utility model discloses a do not further specifically expand details.

It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The device for detecting the trigger spring of the safety airbag gunpowder generator is characterized by comprising a test board, wherein stepped fixing columns are arranged on the test board, the stepped fixing columns are formed by splicing a plurality of cylinders end to end, the circle centers of the plurality of cylinders are located on the same vertical line, and the diameters of the plurality of cylinders are sequentially increased from top to bottom.

2. The airbag powder generator trigger spring detection device as claimed in claim 1, wherein a groove is formed on a front side surface of the test table, a first opening is formed on a top surface of the test table, the first opening is communicated to the groove, and a cylinder is arranged in the groove and connected to a bottom surface of the stepped fixing column.

3. The airbag pyrotechnic generator trigger spring detection device as claimed in claim 2, wherein a splicing hole is provided on a top surface of a first cylinder of the plurality of cylinders, a splicing block is provided on a bottom surface of a second cylinder of the plurality of cylinders, the first cylinder being any one of the plurality of cylinders, the second cylinder being one above the first cylinder.

4. The airbag pyrotechnic generator trigger spring detection device of claim 3 wherein the splice is threadably disposed within the splice hole.

5. The airbag powder generator trigger spring detection device as claimed in claim 4, wherein a first portal frame is arranged above the stepped fixing column, a second portal frame is arranged on the first portal frame, a second opening is arranged on a top plate of the first portal frame, and an elastic detection module is arranged below the top plate of the second portal frame.