CN214173720U

CN214173720U - Air bag assembly detection tool

Info

Publication number: CN214173720U
Application number: CN202120216152.0U
Authority: CN
Inventors: 孙守魁
Original assignee: Tianhe Fu'ao Auto Safety System Changchun Co ltd
Current assignee: Tianhe Fu'ao Auto Safety System Changchun Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-10
Anticipated expiration: 2031-01-26

Abstract

The utility model provides an air bag assembly detects frock, include: a locking unit and a limiting unit; the locking unit comprises locking devices which have the same number as the grooves on the lower surface of the air bag assembly to be detected and are matched with the grooves in shape and position; the limiting unit is abutted to the lower surface of the air bag assembly to be detected. The utility model realizes the rapid positioning and fixing of the air bag assembly product, and the positioning is firm and stable; the utility model discloses still relieve the location locking through mechanical structure, need not manually to remove fixedly, the structure is reliable, lowers because of disassembling the waste product that produces, lowers manufacturing cost.

Description

Air bag assembly detection tool

Technical Field

The utility model relates to an gasbag field of detection, in particular to gasbag assembly detects frock.

Background

The driver airbag assembly is used for protecting a driver during vehicle collision and needs to be installed in a matched mode with a steering wheel, namely the airbag assembly needs to be installed in the steering wheel, the process is finished by means of product self-locking, and the airbag assembly can be disassembled and separated at a special position if needed to be maintained.

The driver airbag assembly needs to be inspected for its product size and other properties during production in a state where the simulated airbag assembly is mounted on the steering wheel (the steering wheel entity cannot be used for on-line inspection). Due to the self-locking design structure of the product, the detection time is limited, and a rapid product detection process is required on an industrial production line, so that the method is a key problem of the detection process on how to realize the positioning or application of the airbag assembly on the production line.

The existing detection tool has the following defects: the positioning process is slow and unstable, the disassembling process is slow and unstable, and the product is easily damaged during disassembling, so that waste products are produced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned problem of solving current detection frock provides a gasbag assembly that can fix a position fast and fix and disassemble and detects frock.

In order to achieve the above purpose, the utility model adopts the following specific technical scheme:

the utility model provides an gasbag assembly detects frock, includes: a locking unit and a limiting unit; the locking unit comprises locking devices which have the same number as the grooves on the lower surface of the air bag assembly to be detected and are matched with the grooves in shape and position; the limiting unit is abutted to the lower surface of the air bag assembly to be detected.

Preferably, the locking device comprises a locking hook, a positioning block and a lifting pin; the positioning block is matched with the shape of a groove on the lower surface of the air bag assembly to be detected; the locking hook is rotatably connected with the positioning block and has a locking state and an unlocking state; the lifting pin drives the locking hook to rotate, the lifting pin has a descending state and a rising state, the lifting pin is in the descending state, the locking hook is in the locking state, the lifting pin is in the rising state, and the locking hook is in the unlocking state.

Preferably, the power unit comprises the same number of power devices as the locking devices, and each power device is connected with the lifting pin of the corresponding locking device and controls the lifting pin to lift.

Preferably, the limiting unit comprises at least four limiting pin columns, pin heads of the limiting pin columns abut against the lower surface of the air bag assembly to be detected, and the upper surfaces of the pin heads of all the limiting pin columns are located on the same horizontal plane.

Preferably, an upper bottom plate is also included; the locking unit and the limiting pin column are fixed on the upper surface of the upper base plate, the upper base plate is provided with a through hole, and the lifting pin is slidably arranged in the through hole.

Preferably, the locking device further comprises a spring, a groove matched with the spring is formed in the lower surface of the locking hook, one end of the spring is arranged in the groove in the lower surface of the locking hook, and the other end of the spring is fixedly connected to the upper surface of the upper base plate.

Preferably, the power device further comprises a lower bottom plate, wherein a through hole is formed in the lower bottom plate, and the power device is fixed in the through hole of the lower bottom plate; the lower surface of the upper bottom plate is abutted against the upper surface of the lower bottom plate.

The utility model discloses can gain following technological effect:

(1) the rapid positioning and fixing of the air bag assembly product are realized, and the positioning is firm and stable;

(2) the mechanical structure is used for releasing the positioning and locking, manual releasing and fixing are not needed, the structure is reliable, waste products generated by disassembling are reduced, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an airbag assembly detection tool according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a locking device according to an embodiment of the present invention.

Wherein the reference numerals include: the locking device comprises a first locking device 11, a second locking device 12, a third locking device 13, a first limiting pin 21, a second limiting pin 22, a third limiting pin 23, a fourth limiting pin 24, an upper base plate 3, a lower base plate 4, a first locking device locking hook 111, a first locking device positioning block 112 and a first locking device spring 113.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not constitute limitations on the invention.

As shown in fig. 1, an airbag assembly detection tool includes: a locking unit and a limiting unit; the locking unit comprises locking devices which are the same as the grooves on the lower surface of the air bag assembly to be detected in number, and are matched with the grooves in shape and position, the locking unit comprises a first locking device 11, a second locking device 12 and a third locking device 13 in the embodiment, and the locking devices are used for positioning and locking, so that the air bag assembly to be detected does not move relative to the locking unit in the detection process; the limiting unit is abutted to the lower surface of the air bag assembly to be detected, the air bag assembly to be detected is further limited through the limiting unit, the state of the lower surface of the air bag assembly to be detected is limited, and then the state of the air bag assembly to be detected is limited.

It should be noted that, the number of the locking devices in the embodiment is only schematic, and four or more locking devices are provided, and the number of the locking devices is the same as that of the lower surface grooves of the airbag assembly to be detected, and the structures with the same shapes and positions are all within the protection scope of the present invention.

In an embodiment of the present invention, the first locking device 11, the second locking device 12 and the third locking device 13 have the same structure, as shown in fig. 2, the first locking device 11 includes a first locking device locking hook 111, a first locking device positioning block 112, a first locking device lifting pin; the first locking device positioning block 111 is matched with the shape of a groove on the lower surface of the to-be-detected air bag assembly, and is abutted against the groove to position the to-be-detected air bag assembly; the first locking device locking hook 112 is rotatably connected with the first locking device positioning block 112 and has a locking state and an unlocking state, when the first locking device locking hook 112 is in the locking state, the air bag assembly to be detected cannot move in the upward vertical direction, when the first locking device locking hook 112 is in the unlocking state, the air bag assembly to be detected has no movement limitation, and at the moment, the air bag assembly to be detected can be disassembled; the first locking device lifting pin has two states of a descending state and a rising state, the first locking device locking hook 112 can be driven to rotate, the state of the first locking device locking hook 112 is changed, when the first locking device lifting pin is in the descending state, the first locking device locking hook 111 is in a locking state, and when the first locking device lifting pin is in the rising state, the first locking device locking hook 111 is in an unlocking state.

The utility model discloses an in an embodiment, still include the power pack, the power pack includes the power device the same with locking device quantity, and every power device corresponds a locking device, and every power device is connected with the lift pin that corresponds locking device, and all power devices carry out synchronous drive, and the synchro control lift pin goes up and down, and then changes all locking device's locking state in step.

The utility model discloses an in one embodiment, spacing unit includes four at least spacing round pins, including first spacing round pin 21, second spacing round pin 22, third spacing round pin 23, fourth spacing round pin 24 in this embodiment, the lower surface of waiting to detect the gasbag assembly of the round pin head butt of spacing round pin, the gasbag assembly is detected to the support, the round pin head upper surface of all spacing round pins all is located same horizontal plane, the gasbag lower surface is detected to waiting to detect of restriction spacing round pin head butt, make it be in horizontal position.

It should be noted that the number of the limiting pins in the present embodiment is only illustrative, and the arrangement of three, five or more limiting pins is within the scope of the present invention.

In one embodiment of the present invention, the device further comprises an upper base plate 3; the locking unit and the limiting pin column are fixed on the upper surface of the upper base plate 3, the upper base plate 3 is provided with a through hole, the lifting pin can be slidably arranged in the through hole, and the locking unit and the limiting unit are fixed through the upper base plate 3 and are matched with the lower surface of the air bag assembly to be detected.

As shown in fig. 2, in an embodiment of the present invention, the first locking device 11 further includes a first locking device spring 113, a groove for engaging the first locking device spring 113 is formed on the lower surface of the first locking device locking hook 111, one end of the first locking device spring 113 is disposed in the groove on the lower surface of the first locking device locking hook 111, and the other end is connected and fixed to the upper surface of the upper base plate 3; the first locker spring 113 provides a pushing force to push the first locker locking hook 111 to be switched from the unlocked state to the locked state when the first locker lifter pin is switched from the extended state to the shortened state.

In one embodiment of the utility model, the utility model also comprises a lower bottom plate 4, the lower bottom plate 4 is provided with a through hole, and the power device is fixed in the through hole of the lower bottom plate 4; the lower surface of the upper bottom plate 3 is abutted with the upper surface of the lower bottom plate 4; the power device is fixed through the lower bottom plate 4, and the position of the power device is guaranteed to be fixed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limiting the present invention. Variations, modifications, substitutions and alterations of the above-described embodiments may occur to persons of ordinary skill in the art without departing from the scope of the invention.

The above detailed description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an air bag assembly detects frock which characterized in that includes: a locking unit and a limiting unit; the locking unit comprises locking devices which have the same number as the grooves on the lower surface of the air bag assembly to be detected and are matched with the grooves in shape and position; the limiting unit is abutted to the lower surface of the air bag assembly to be detected.

2. The airbag assembly detection tool of claim 1, wherein the locking device comprises a locking hook, a positioning block, and a lifting pin; the positioning block is matched with the shape of the groove on the lower surface of the air bag assembly to be detected; the locking hook is rotatably connected with the positioning block and has two states of a locking state and an unlocking state; the lifting pin drives the locking hook to rotate, and has a descending state and a lifting state, the lifting pin is in the descending state, the locking hook is in the locking state, the lifting pin is in the lifting state, and the locking hook is in the unlocking state.

3. The airbag assembly detection tool according to claim 2, further comprising a power unit, wherein the power unit comprises power devices the number of which is the same as that of the locking devices, and each power device is connected with the corresponding lifting pin of the locking device to control the lifting pin to lift.

4. The air bag assembly detection tool according to claim 3, wherein the limiting unit comprises at least four limiting pins, pin heads of the limiting pins abut against the lower surface of the air bag assembly to be detected, and upper surfaces of the pin heads of all the limiting pins are located on the same horizontal plane.

5. The airbag assembly inspection tool of claim 4, further comprising an upper base plate; the locking unit and the limiting pin are fixed on the upper surface of the upper base plate, a through hole is formed in the upper base plate, and the lifting pin is slidably arranged in the through hole.

6. The air bag assembly detection tool according to claim 5, wherein the locking device further comprises a spring, a groove matched with the spring is formed in the lower surface of the locking hook, one end of the spring is arranged in the groove in the lower surface of the locking hook, and the other end of the spring is fixedly connected to the upper surface of the upper base plate.

7. The airbag assembly detection tool according to claim 5, further comprising a lower base plate, wherein a through hole is formed in the lower base plate, and the power device is fixed in the through hole of the lower base plate; the lower surface of the upper base plate is abutted against the upper surface of the lower base plate.