Steering wheel safety air bag pressing force testing mechanism

Abstract

The utility model discloses a steering wheel safety air bag pressing force testing mechanism, which relates to the technical field of safety air bags and comprises a supporting bottom plate, a positioning jig is fixedly mounted on the front side of the top of the supporting bottom plate, and a supporting column is fixedly mounted on the rear side of the top of the supporting bottom plate. Wiring assemblies are fixedly installed at the four corners of the top of the supporting bottom plate, a front-back sliding module is slidably installed at the tops of the two wiring assemblies on the same side, and a left-right sliding module is slidably connected to the tops of the two front-back sliding modules. According to the utility model, a product is manually placed in the positioning tool, the front-back sliding module and the left-right sliding module can drive the test mechanism to be placed at the top of the steering wheel airbag, the up-down sliding module drives the test mechanism to move downwards, the force value sensor detects the product, and the wiring assembly performs wiring to perform conduction test on the product. The pressing force test of the steering wheel airbag is realized, and the use of the steering wheel airbag is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of airbag, in particular to a test mechanism for the pressing force of a steering wheel airbag. Background Technique

[0002] The steering wheel airbag is an important part of the vehicle safety system, aiming to provide additional protection for drivers and passengers. When a vehicle collision occurs, the airbag system will quickly inflate to form a protective barrier, reducing the possibility of direct collision between passengers and the vehicle interior structure, thereby reducing the degree of injury.

[0003] The following problems exist in the prior art:

[0004] After the production and processing of the steering wheel airbag are completed, it is necessary to test the reaction speed and accuracy of the airbag when it is impacted. The existing devices are not convenient for testing the pressing force of the steering wheel airbag, which is not conducive to the production and processing of the steering wheel airbag. Content of the Utility Model

[0005] The utility model provides a test mechanism for the pressing force of a steering wheel airbag to solve the problems raised in the above background technique.

[0006] To solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A test mechanism for the pressing force of a steering wheel airbag includes a support bottom plate. A positioning fixture is fixedly installed on the front side of the top of the support bottom plate, a support column is fixedly installed on the rear side of the top of the support bottom plate, wiring components are fixedly installed at the four corners of the top of the support bottom plate, a front-back sliding module is slidably installed on the top of two wiring components on the same side, a left-right sliding module is slidably connected to the top of the two front-back sliding modules, an up-down sliding module is slidably connected to the front side of the left-right sliding module, and a test mechanism is slidably connected to the front side of the up-down sliding module.

[0008] The further improvement of the technical solution of the utility model lies in that: the positioning fixture includes a fixed bottom plate. Fixed bolts are arranged on the left and right sides of the top of the fixed bottom plate, the fixed bottom plate is fixedly installed on the top of the support bottom plate through the fixed bolts, a support platform is fixedly installed in the middle of the top of the fixed bottom plate, and three positioning components are fixedly installed on the top of the support platform.

[0009] The further improvement of the technical solution of the utility model lies in that: the test mechanism includes a connecting frame, the connecting frame is slidably connected to the front side of the up-down sliding module, a force value sensor is fixedly connected to the bottom of the connecting frame, a connecting guide plate is fixedly connected to the front side of the bottom end of the connecting frame, and an extrusion ball head is arranged at the bottom of the connecting guide plate.

[0010] A further improvement of the technical solution of the present utility model lies in that: a connecting column is fixedly connected to the top of the extrusion ball head, a limiting sliding groove penetrating up and down is formed in the middle of the connecting guide plate, the top end of the connecting column penetrates to the top of the limiting sliding groove, a connecting rod is arranged at the bottom of the force value sensor, a plugging column is fixedly connected to the bottom end of the connecting rod, a sliding insertion slot is formed at the top of the connecting column, and the bottom end of the plugging column penetrates into the inside of the sliding insertion slot.

[0011] A further improvement of the technical solution of the present utility model lies in that: an annular sliding groove is formed in the lower part of the outer surface of the connecting rod, an internally threaded rotating ring is rotatably connected to the outside of the annular sliding groove, an externally threaded sliding ring is threadedly connected to the inner surface of the internally threaded rotating ring, and the externally threaded sliding ring is slidably connected inside the annular sliding groove.

[0012] A further improvement of the technical solution of the present utility model lies in that: a limiting sliding plate is fixedly connected to the inner surface of the externally threaded sliding ring, a sliding groove penetrating left and right is formed in the inner surface of the annular sliding groove, the outer surface of the limiting sliding plate is fixedly connected to the inner surface of the sliding groove, and a sliding pull rod is fixedly connected to the bottom of the limiting sliding plate.

[0013] A further improvement of the technical solution of the present utility model lies in that: a cross-shaped sliding groove is formed in the middle of the plugging column, the bottom end of the sliding pull rod penetrates into the inside of the cross-shaped sliding groove and is fixedly connected to a cross-shaped sliding plate, sliding clamping plates are sleeved on the outer surfaces of the four sides of the cross-shaped sliding plate through sliding grooves, and four fixing clamping grooves are formed in an annular array on the inner wall of the sliding insertion slot, and the end of the sliding clamping plate away from the cross-shaped sliding plate penetrates into the inside of the fixing clamping groove.

[0014] A further improvement of the technical solution of the present utility model lies in that: the outer surface of the sliding clamping plate is slidably connected to the inner surface of the cross-shaped sliding groove, sliding blocks are fixedly connected to both sides of the sliding clamping plate close to the inner wall of the cross-shaped sliding groove, and inclined sliding grooves are formed in the inner walls of the four sides of the cross-shaped sliding groove, and the sliding blocks are slidably connected inside the inclined sliding grooves.

[0015] Due to the adoption of the above technical solution, the technical progress obtained by the present utility model compared with the prior art is:

[0016] 1. The present utility model provides a test mechanism for the pressing force of a steering wheel airbag. Through the mutual cooperation among a support base plate, a positioning fixture, support columns, a wiring assembly, a front-back sliding module, a left-right sliding module, an up-down sliding module, and a test mechanism, when testing the pressing force of the steering wheel airbag, the product is manually placed in the positioning fixture. The front-back sliding module and the left-right sliding module can drive the test mechanism to be positioned on the top of the steering wheel airbag. The up-down sliding module drives the test mechanism to move downward, and the force value sensor detects the product. The wiring assembly is wired to conduct a conduction test on the product, thereby realizing the test of the pressing force of the steering wheel airbag and facilitating the use of the steering wheel airbag.

[0017] 2. The present utility model provides a test mechanism for the pressing force of a steering wheel airbag. Through the mutual cooperation among a connecting frame, a force value sensor, a connecting rod, a plugging column, an internally threaded rotating ring, an externally threaded sliding ring, a limiting slide plate, a sliding pull rod, a cross slide plate, a sliding clamping plate, a connecting guide plate, a pressing ball head, and a connecting column, when connecting the force value sensor and the pressing ball head, the connecting column is inserted into the middle of the connecting guide plate, and the plugging column is inserted into the sliding slot. By rotating the internally threaded rotating ring, the externally threaded sliding ring can be made to slide, thereby driving the sliding pull rod to slide through the limiting slide plate, making the cross slide plate drive the sliding clamping plate to slide, and making the sliding clamping plate insert into the internal of the fixed clamping slot through the sliding block sliding on the inner wall of the inclined chute, thus realizing the connection and fixation between the force value sensor and the pressing ball head and making the use of the test mechanism for the pressing force of the steering wheel airbag more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural schematic diagram of the present utility model;

[0019] Figure 2 is a structural schematic diagram of the positioning fixture of the present utility model;

[0020] Figure 3 is a structural schematic diagram of the test mechanism of the present utility model;

[0021] Figure 4 is a sectional structural schematic diagram of the connecting guide plate of the present utility model;

[0022] Figure 5 is a sectional structural schematic diagram of the connecting column of the present utility model.

[0023] In the figure: 1, support base plate; 2, positioning fixture; 21, fixed base plate; 22, support platform; 23, positioning component; 24, fixing bolt; 3, support column; 4, wiring component; 5, front-back sliding module; 6, left-right sliding module; 7, up-down sliding module; 8, testing mechanism; 81, connecting frame; 82, force value sensor; 821, connecting rod; 822, plug-in column; 823, internal thread rotating ring; 824, external thread sliding ring; 825, limiting slide plate; 826, sliding pull rod; 827, cross slide plate; 828, sliding clamping plate; 83, connecting guide plate; 84, extrusion ball head; 841, connecting column. Specific embodiments

[0024] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments:

[0025] As Figures 1-3 shown, the present utility model provides a testing mechanism for the pressing force of a steering wheel airbag, which includes a support base plate 1. A positioning fixture 2 is fixedly installed on the front side of the top of the support base plate 1, a support column 3 is fixedly installed on the rear side of the top of the support base plate 1, wiring components 4 are fixedly installed at the four corners of the top of the support base plate 1. A front-back sliding module 5 is slidably installed on the top of two wiring components 4 on the same side. A left-right sliding module 6 is slidably connected to the top of the two front-back sliding modules 5. An up-down sliding module 7 is slidably connected to the front side of the left-right sliding module 6. A testing mechanism 8 is slidably connected to the front side of the up-down sliding module 7. The positioning fixture 2 includes a fixed base plate 21. Fixing bolts 24 are arranged on both the left and right sides of the top of the fixed base plate 21. The fixed base plate 21 is fixedly installed on the top of the support base plate 1 through the fixing bolts 24. A support platform 22 is fixedly installed in the middle of the top of the fixed base plate 21. Three positioning components 23 are fixedly installed on the top of the support platform 22. The testing mechanism 8 includes a connecting frame 81. The connecting frame 81 is slidably connected to the front side of the up-down sliding module 7. A force value sensor 82 is fixedly connected to the bottom of the connecting frame 81. A connecting guide plate 83 is fixedly connected to the front side of the bottom end of the connecting frame 81. An extrusion ball head 84 is arranged at the bottom of the connecting guide plate 83;

[0026] When performing a sounding force test on a steering wheel airbag, the fixed base plate 21 can be fixed to the top of the support base plate 1 through the fixed bolts 24. Then, the product is manually placed on the support table 22, and the product can be fixed through the positioning assembly 23. After that, the front-back sliding module 5 and the left-right sliding module 6 can drive the test mechanism 8 to be placed on the top of the steering wheel airbag. The up-down sliding module 7 drives the connecting frame 81 to move downward, so that the extrusion ball head 84 extrudes the steering wheel airbag, and the product can be detected through the force value sensor 82. The wiring assembly 4 is wired to conduct a conduction test on the product, realizing the sounding force test of the steering wheel airbag and facilitating the use of the steering wheel airbag.

[0027] As Figures 4-5 shown, the present utility model provides a sounding force test mechanism for a steering wheel airbag. A connecting column 841 is fixedly connected to the top of the extrusion ball head 84. A limiting sliding groove penetrating up and down is formed in the middle of the connecting guide plate 83. The top end of the connecting column 841 penetrates to the top of the limiting sliding groove. A connecting rod 821 is arranged at the bottom of the force value sensor 82. The bottom end of the connecting rod 821 is fixedly connected with a plug-in column 822. A sliding slot is formed at the top of the connecting column 841. The bottom end of the plug-in column 822 penetrates into the inside of the sliding slot. An annular sliding groove is formed below the outer surface of the connecting rod 821. An internally threaded rotating ring 823 is rotatably connected to the outside of the annular sliding groove. The inner surface of the internally threaded rotating ring 823 is threadedly connected with an externally threaded sliding ring 824. The externally threaded sliding ring 824 is slidably connected inside the annular sliding groove. A limiting sliding plate 825 is fixedly connected to the inner surface of the externally threaded sliding ring 824. A sliding slot penetrating left and right is formed in the inner surface of the annular sliding groove. The outer surface of the limiting sliding plate 825 is fixedly connected with the inner surface of the sliding slot. A sliding pull rod 826 is fixedly connected to the bottom of the limiting sliding plate 825. A cross sliding groove is formed in the middle of the plug-in column 822. The bottom end of the sliding pull rod 826 penetrates into the inside of the cross sliding groove and is fixedly connected with a cross sliding plate 827. Sliding clamping plates 828 are sleeved on the outer surfaces of the four sides of the cross sliding plate 827 through sliding grooves. Four fixed clamping grooves are annularly arranged on the inner wall of the sliding slot. One end of the sliding clamping plate 828 away from the cross sliding plate 827 penetrates into the inside of the fixed clamping groove. The outer surface of the sliding clamping plate 828 is slidably connected with the inner surface of the cross sliding groove. Sliding blocks are fixedly connected to both sides of the sliding clamping plate 828 close to the inner wall of the cross sliding groove. Oblique sliding grooves are formed on the inner walls of the four sides of the cross sliding groove. The sliding blocks are slidably connected inside the oblique sliding grooves;

[0028] When connecting the force sensor 82 and the extrusion ball head 84, the connecting column 841 is inserted into the middle of the connecting guide plate 83, and the insertion column 822 is inserted into the sliding slot. By rotating the internal thread rotating ring 823, the external thread sliding ring 824 can slide inside the annular chute under the restriction of the limit sliding plate 825, so as to drive the limit sliding plate 825 to slide inside the sliding slot and drive the sliding pull rod 826 to slide. The cross sliding plate 827 drives the sliding clamping plate 828 to slide inside the cross chute, and by sliding the sliding block on the inner wall of the inclined chute, the sliding clamping plate 828 can be inserted into the fixed clamping groove, thus realizing the connection and fixation between the force sensor 82 and the extrusion ball head 84, making the use of the steering wheel airbag sounding force test mechanism more convenient.

[0029] Next, the working principle of the steering wheel airbag sounding force test mechanism will be specifically described.

[0030] As Figures 1-5 shown, when testing the sounding force of the steering wheel airbag, the fixed bottom plate 21 can be fixed on the top of the support bottom plate 1 through the fixed bolt 24. The connecting column 841 is inserted into the middle of the connecting guide plate 83, and the insertion column 822 is inserted into the sliding slot. By rotating the internal thread rotating ring 823, the external thread sliding ring 824 can be driven to slide, so as to drive the limit sliding plate 825 to pull the sliding pull rod 826 to slide. The cross sliding plate 827 drives the sliding clamping plate 828 to slide, and by sliding the sliding block on the inner wall of the inclined chute, the sliding clamping plate 828 can be inserted into the fixed clamping groove, thus realizing the connection and fixation between the force sensor 82 and the extrusion ball head 84. Then, the product is manually placed on the support table 22, and the product can be fixed through the positioning component 23. Then, the front-back sliding module 5 and the left-right sliding module 6 can drive the test mechanism 8 to move to the top of the steering wheel airbag. The up-down sliding module 7 drives the connecting frame 81 to move downward, so that the extrusion ball head 84 squeezes the steering wheel airbag, and the product can be detected through the force sensor 82. The wiring component 4 is wired to conduct a conduction test on the product, realizing the sounding force test of the steering wheel airbag and facilitating the use of the steering wheel airbag.

[0031] The above text generally describes the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, the modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A test mechanism for the sounding force of a steering wheel airbag, characterized in that: It includes a support base plate (1), a positioning jig (2) is fixedly installed on the front side of the top of the support base plate (1), a support column (3) is fixedly installed on the rear side of the top of the support base plate (1), wiring components (4) are fixedly installed at the four corners of the top of the support base plate (1), a front-back sliding module (5) is slidably installed on the tops of two wiring components (4) on the same side, a left-right sliding module (6) is slidably connected to the tops of the two front-back sliding modules (5), an up-down sliding module (7) is slidably connected to the front side of the left-right sliding module (6), and a testing mechanism (8) is slidably connected to the front side of the up-down sliding module (7).

2. The steering wheel airbag actuation force testing mechanism according to claim 1, characterized in that: The positioning jig (2) includes a fixed base plate (21), fixing bolts (24) are arranged on both the left and right sides of the top of the fixed base plate (21), the fixed base plate (21) is fixedly installed on the top of the support base plate (1) through the fixing bolts (24), a support platform (22) is fixedly installed in the middle of the top of the fixed base plate (21), and three positioning components (23) are fixedly installed on the top of the support platform (22).

3. A steering wheel airbag pressing force testing mechanism according to claim 1, characterized in that: The testing mechanism (8) includes a connecting frame (81), the connecting frame (81) is slidably connected to the front side of the up-down sliding module (7), a force value sensor (82) is fixedly connected to the bottom of the connecting frame (81), a connecting guide plate (83) is fixedly connected to the front side of the bottom end of the connecting frame (81), and a pressing ball head (84) is arranged at the bottom of the connecting guide plate (83).

4. The steering wheel airbag sounding force testing mechanism according to claim 3, wherein: A connecting column (841) is fixedly connected to the top of the pressing ball head (84), a vertically penetrating limiting sliding groove is formed in the middle of the connecting guide plate (83), the top end of the connecting column (841) penetrates to the top of the limiting sliding groove, a connecting rod (821) is arranged at the bottom of the force value sensor (82), a plugging column (822) is fixedly connected to the bottom end of the connecting rod (821), a sliding plug slot is formed in the top of the connecting column (841), and the bottom end of the plugging column (822) penetrates into the interior of the sliding plug slot.

5. The testing mechanism for the pressing force of a steering wheel airbag according to claim 4, characterized in that: An annular sliding groove is formed in the lower part of the outer surface of the connecting rod (821), an internally threaded rotating ring (823) is rotatably connected to the outer side of the interior of the annular sliding groove, an externally threaded sliding ring (824) is threadedly connected to the inner surface of the internally threaded rotating ring (823), and the externally threaded sliding ring (824) is slidably connected to the interior of the annular sliding groove.

6. The test mechanism for the sounding force of a steering wheel airbag according to claim 5, wherein: A limiting sliding plate (825) is fixedly connected to the inner surface of the externally threaded sliding ring (824), a left-right penetrating sliding slot is formed in the inner surface of the annular sliding groove, the outer surface of the limiting sliding plate (825) is fixedly connected to the inner surface of the sliding slot, and a sliding pull rod (826) is fixedly connected to the bottom of the limiting sliding plate (825).

7. The steering wheel airbag sounding force testing mechanism according to claim 6, characterized in that: A cross-shaped sliding groove is formed in the middle of the plug post (822). The bottom end of the sliding pull rod (826) penetrates into the cross-shaped sliding groove and is fixedly connected with a cross-shaped sliding plate (827). Sliding clamping plates (828) are sleeved on the outer surfaces of the four sides of the cross-shaped sliding plate (827) through sliding grooves. Four fixing clamping grooves are formed in an annular array on the inner wall of the sliding slot. One end of the sliding clamping plate (828) far away from the cross-shaped sliding plate (827) penetrates into the fixing clamping groove.

8. The testing mechanism for the sounding force of a steering wheel airbag according to claim 7, wherein: The outer surface of the sliding clamping plate (828) is in sliding connection with the inner surface of the cross-shaped sliding groove. Sliding blocks are fixedly connected to both sides of the sliding clamping plate (828) close to the inner wall of the cross-shaped sliding groove. Oblique sliding grooves are formed in the inner walls of the four sides of the cross-shaped sliding groove. The sliding blocks are slidably connected in the oblique sliding grooves.

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