CN216116706U

CN216116706U - Rotating force measuring device is detained in area

Info

Publication number: CN216116706U
Application number: CN202122467890.5U
Authority: CN
Inventors: 王杰; 杜波涛; 左春阳; 林涛
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-22
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to the technical field of safety belt testing, and discloses a rotating force measuring device with a buckle, which comprises a position adjusting device, a driving device, a pushing device and a pressure detecting device, wherein the driving device is installed on the position adjusting device, and the position adjusting device is used for adjusting the positions of the driving device and the pushing device; the first end of the pushing device is connected with the driving device, the second end of the pushing device is arranged opposite to the belt buckle and used for pushing the belt buckle to rotate, and the pressure detection device is connected with the pushing device and used for detecting the pushing force applied by the pushing device to the belt buckle. The utility model does not need to use a dynamometer to measure the rotating force, thereby reducing the influence of human operation factors and further reducing the measurement error.

Description

Rotating force measuring device is detained in area

Technical Field

The utility model relates to the technical field of safety belt testing, in particular to a rotating force measuring device with a buckle.

Background

The seat belt is a safety device for restraining a passenger in a collision, for avoiding a secondary collision between the passenger and a steering wheel, an instrument panel, or the like in the collision, or for preventing the passenger from being rushed out of the vehicle in the collision, thereby causing a death and injury. The buckle is an important component of the safety belt, and before the buckle is put into use, a measurement test needs to be carried out on the rotating force of the buckle, so that the rotating force of the buckle meets the use requirement, and the phenomenon that the rotating force of the buckle is too large or too small is avoided. However, the current method for measuring the rotating force of the buckle mainly adopts a dynamometer to directly measure, and is greatly influenced by human operation factors, so that the measurement error is large.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, an object of the present invention is to provide a rotating force measuring device with buckle, so as to solve the problem that the rotating force measured by the conventional dynamometer is greatly influenced by human operation factors, resulting in large measurement error.

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

the belt buckle rotating force measuring device comprises a position adjusting device, a driving device, a pushing device and a pressure detecting device, wherein the driving device is installed on the position adjusting device, and the position adjusting device is used for adjusting the positions of the driving device and the pushing device; the first end of the pushing device is connected with the driving device, the second end of the pushing device is arranged opposite to the belt buckle and used for pushing the belt buckle to rotate, and the pressure detection device is connected with the pushing device and used for detecting the pushing force applied by the pushing device to the belt buckle.

Preferably, the position adjusting device comprises an X-direction adjusting module, a Y-direction adjusting module and a Z-direction adjusting module, the X-direction adjusting module is arranged on the Z-direction adjusting module in a lifting and sliding manner, the Z-direction adjusting module is arranged on the Y-direction adjusting module in a sliding manner, and the driving device is arranged on the X-direction adjusting module.

Preferably, the X-direction adjusting module includes an X-direction adjusting base groove, the driving device is installed in the X-direction adjusting base groove, a sliding groove is provided on a groove wall of the X-direction adjusting base groove, and one side of the Z-direction adjusting module is slidably disposed in the sliding groove.

Preferably, an adjusting rod is arranged at one end, far away from the driving device, of the X-direction adjusting base groove, a balancing weight is further arranged on the X-direction adjusting base groove, an adjusting hole for the adjusting rod to penetrate through is formed in the balancing weight, and the adjusting rod is connected with the balancing weight.

Preferably, the Y-direction adjusting module includes a horizontal guide rail groove, and the Z-direction adjusting module is slidably installed in the horizontal guide rail groove.

Preferably, Z is to adjusting module including guide post, mount pad and locking handle, the one end of guide post with Y is to adjusting module sliding connection, the mount pad is installed with liftable on the guide post, locking handle installs one side of mount pad, the opposite side of mount pad with X is to adjusting module sliding connection.

Preferably, a reciprocating transmission mechanism is connected between the pushing device and the belt buckle, and the reciprocating transmission mechanism is used for driving the belt buckle to perform reciprocating rotation motion.

Preferably, the reciprocating transmission mechanism is a slider-link mechanism, the slider-link mechanism comprises a slider and a link, the slider is connected with the pushing device, one end of the link is connected with the slider, and the other end of the link is connected with the belt buckle.

Preferably, the belt buckle rotation force measuring device further comprises a guide device arranged between the driving device and the pushing device, the guide device comprises a guide plate, a guide sleeve and a guide rod, the guide sleeve is fixed on the position adjusting device, the guide rod is slidably installed in the guide sleeve, the guide rod is installed at one side of the guide plate, the pushing device is installed at the other side of the guide plate, and the guide plate is connected with the driving device.

Preferably, the pressure detecting device is a pressure sensor disposed at the second end of the pushing device.

Compared with the prior art, the rotating force measuring device with the buckle provided by the embodiment of the utility model has the beneficial effects that:

according to the belt buckle rotating force measuring device provided by the embodiment of the utility model, the driving device drives the pushing device to move, the pushing device is used for applying pushing force to the belt buckle to enable the belt buckle to rotate, and meanwhile, the pressure detecting device is used for detecting the pushing force applied by the pushing device to serve as the measured belt buckle rotating force, so that the rotating force operation and use requirements are met during belt buckle design, and the rotating force is prevented from being too large or too small. In addition, the utility model does not need to use a dynamometer to measure the rotating force, thereby reducing the influence of human operation factors and further reducing the measurement error.

Drawings

Fig. 1 is a schematic structural view of a buckle rotational force measuring apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic front view of a buckle installation in an embodiment of the present invention;

FIG. 3 is a side schematic view of a buckle installation in an embodiment of the present invention;

FIG. 4 is a pneumatic schematic of a drive arrangement in an embodiment of the utility model;

figure 5 is a schematic view of the reciprocal movement of a buckle in an embodiment of the present invention;

in the figure, 1, a buckle; 2. a steel bracket; 3. a pushing device; 4. actuating the cylinder; 5. a guide plate; 6. a guide bar; 7. an X-direction adjusting base groove; 71. a sliding groove; 8. adjusting a rod; 9. a fixing plate; 10. a horizontal guide rail groove; 11. a guide post; 12. a mounting seat; 13. locking the handle; 14. a balancing weight; 15. a slider; 16. a connecting rod; 17. an air compressor; 18. a safety valve; 19. a pressure gauge; 20. a two-position four-way reversing valve; 21. a speed regulating valve.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1, a buckle rotation force measuring device according to an embodiment of the present invention includes a position adjusting device, a driving device, a pushing device 3 and a pressure detecting device, wherein the driving device is mounted on the position adjusting device, and the position adjusting device is used for adjusting the positions of the driving device and the pushing device 3, so that the position of the pushing device 3 corresponds to the position of the buckle 1, thereby facilitating the pushing device 3 to apply a pushing force to the buckle 1; the first end of the pushing device 3 is connected with the driving device, the second end of the pushing device 3 is arranged opposite to the belt buckle 1, and the pressure detection device is connected with the pushing device 3 and used for detecting the pushing force applied by the pushing device 3 to the belt buckle 1. Drive arrangement drive thrust unit 3 uniform motion, thrust unit 3's second end gradually with buckle 1 contact to promote the motion of buckle 1, make buckle 1 rotatory for steel support 2, simultaneously, the thrust that pressure measurement device detected thrust unit 3 and applyed, as buckle 1's revolving force, thereby need not to use the dynamometer to measure the revolving force, reduced the influence of artificial operation factor, thereby reduce measuring error.

As shown in fig. 2 and 3, in the present embodiment, the buckle 1 is mounted on the steel bracket 2, and the buckle 1 is rotatable with respect to the steel bracket 2. The pushing device 3 is a thrust rod, applies an acting force F in the horizontal direction to the belt buckle 1, and can push the belt buckle 1 to rotate relative to the steel bracket 2, so that the rotating force of the belt buckle 1 is measured, and the problems that abnormal sound occurs between the belt buckle 1 and the steel bracket 2 when the belt buckle is rotatably adjusted, the rotating force required by the rotation adjustment is larger, and the like are solved.

The pressure detection device is a pressure sensor arranged at the second end of the thrust rod 3. The pressure sensor adopts a patch type pressure sensor which can be directly attached to the second end of the thrust rod 3, and when the thrust rod 3 pushes the belt buckle 1, the patch type pressure sensor measures a pressure signal as a thrust acting force applied by the thrust rod 3.

In order to prevent the thrust direction applied by the thrust rod 3 to the buckle 1 from being deviated, the rotating force measuring device of the buckle 1 further comprises a guiding device arranged between the driving device and the thrust rod 3, and the guiding device guides the movement of the thrust rod 3. The guiding device comprises a guiding plate 5, a guiding sleeve and a guiding rod 6, the guiding sleeve is fixed on the position adjusting device, and is specifically fixed at the end part of an X-direction adjusting base groove 7 in the position adjusting device, the guiding rod 6 is slidably arranged in the guiding sleeve, the guiding rod 6 is arranged at one side of the guiding plate 5, the thrust rod 3 is arranged at the other side of the guiding plate 5, and the guiding plate 5 is connected with the driving device. The driving device drives the guide plate 5 to move, the guide plate 5 drives the thrust rod 3 to move, and the belt buckle 1 is pushed by the thrust rod 3; when the guide plate 5 moves, the guide rod 6 slides in the guide sleeve and is limited by the guide sleeve, so that the movement of the guide rod 6 cannot deviate, and the movement directions of the guide plate 5 and the thrust rod 3 cannot deviate. The guide sleeves and the guide rods 6 are provided with a plurality of guide rods 6, each guide sleeve is internally provided with one guide rod 6, the guide rods 6 are arranged at intervals, and the guide rods 6 can be distributed in the circumferential direction of the driving device so as not to interfere the connection between the driving device and the guide plate 5. In this embodiment, the number of the guide sleeves and the number of the guide rods 6 are four, and four guide rods 6 are distributed at four corners of the guide plate 5.

As shown in fig. 1, the position adjusting device includes an X-direction adjusting module, a Y-direction adjusting module, and a Z-direction adjusting module, the X-direction adjusting module is liftable and slidably mounted on the Z-direction adjusting module, the Z-direction adjusting module is slidably mounted on the Y-direction adjusting module, and the driving device is mounted on the X-direction adjusting module. The position of the driving device and the thrust rod 3 in the Z direction is adjusted by the lifting of the X-direction adjusting module relative to the Z-direction adjusting module; when the Z-direction adjusting module slides relative to the Y-direction adjusting module, the X-direction adjusting module is driven to slide in the Y direction, so that the positions of the driving device and the thrust rod 3 in the Y direction are adjusted; the positions of the driving device and the thrust rod 3 in the X direction are adjusted by the sliding of the X-direction adjusting module relative to the Z-direction adjusting module, so that the three-degree-of-freedom adjustment of the position of the thrust rod 3 is realized, the thrust rod 3 can apply thrust to the belt buckle 1 conveniently, and the rotating force measuring device of the belt buckle 1 can measure the rotating force of the belt buckle 1 with different sizes or different installation heights.

Further, the X-direction adjusting module comprises an X-direction adjusting base groove 7, the Y-direction adjusting module comprises a horizontal guide rail groove 10, the Z-direction adjusting module comprises a guide post 11, an installation base 12 and a locking handle 13, the guide post 11 is cylindrical, one end of the guide post 11 is slidably installed in the horizontal guide rail groove 10 to realize sliding connection of the guide post 11 and the Y-direction adjusting module, the guide post 11 is vertically arranged with the horizontal guide rail groove 10, the length direction of the X-direction adjusting base groove 7 is vertical to the length direction of the horizontal guide rail groove 10, the guide post 11 is vertical to the length direction of the X-direction adjusting base groove 7, the installation base 12 is installed on the guide post 11 in a lifting manner, the locking handle 13 is installed on one side of the installation base 12, the X-direction adjusting base groove 7 is installed on the other side of the installation base 12, a sliding groove 71 is arranged on the groove wall of the X-direction adjusting base groove 7, the end part of the mounting seat 12 is slidably arranged in the sliding groove 71, so that the mounting seat 12 is slidably connected with the X-direction adjusting module; the position of the X-direction adjusting base groove 7 in the X direction is adjusted through the relative sliding of the X-direction adjusting base groove 7 and the mounting base 12, so that the position of the driving device in the X direction is adjusted; the driving device is arranged in the X-direction adjusting base groove 7. A fixed plate 9 is arranged in the X-direction adjusting base groove 7, and the driving device is fixedly connected with the fixed plate 9. The X-direction adjusting module is installed on the installation base 12, so that the whole X-direction adjusting module can synchronously lift along with the installation base 12, when the installation base 12 lifts relative to the guide post 11, the Y-direction adjusting module is fixed, the X-direction adjusting module synchronously lifts under the driving of the installation base 12, the adjustment of the driving device in the X-direction adjusting base groove 7 and the Z-direction position of the thrust rod 3 connected with the driving device is realized, after the thrust rod 3 is adjusted to a proper position, the installation base 12 is locked on the guide post 11 by rotating the locking handle 13, so that the X-direction adjusting module is fixed, for example, after the locking handle 13 is rotated clockwise, one end of the locking handle 13 is abutted against the outer wall of the guide post 11, and the installation base 12 and the guide post 11 are relatively fixed; rotating the locking handle 13 counterclockwise, wherein one end of the handle is separated from the outer wall of the guide post 11, so that the mounting seat 12 can move relative to the guide post 11, thereby adjusting the position of the mounting seat 12 on the guide post 11; the guide post 11 is installed in the horizontal guide rail groove 10, when the guide post 11 moves in the horizontal guide rail groove 10, the installation base 12 installed on the guide post 11 and the X-direction adjusting module installed on the installation base 12 move synchronously with the guide post 11, so that the Y-direction positions of the driving device and the thrust rod 3 are adjusted; when the driving device and the thrust rod 3 need to be adjusted in the X-direction position, the Y-direction adjusting module and the Z-direction adjusting module are both fixed to push the X-direction adjusting base groove 7, the mounting base 12 slides relatively in the sliding groove 71, and the X-direction adjusting base groove 7 drives the driving device and the thrust rod 3 to slide synchronously, so that the adjustment of the X-direction position of the thrust rod 3 is realized.

Because the driving device, the guiding device, the thrust rod 3 and the like are all arranged at one end of the X-direction adjusting base groove 7, in order to avoid that the other end of the X-direction adjusting base groove 7 tilts upwards under the action of the gravity of the driving device, the guiding device, the thrust rod 3 and the like after the X-direction position of the thrust rod 3 is adjusted, an adjusting rod 8 is arranged at one end of the X-direction adjusting base groove 7, which is far away from the driving device, and the axial direction of the adjusting rod 8 is parallel to the groove length direction of the X-direction adjusting base groove 7; the X-direction adjusting base groove 7 is further provided with a counterweight 14, and the counterweight 14 is located on the opposite side of the fixing plate 9 from the driving device. The weight member 14 is cylindrical. The counterweight block 14 is provided with an adjusting hole for the adjusting rod 8 to pass through, and the end part of the adjusting rod 8 passes through the groove wall of the X-direction adjusting base groove 7 to be connected with the counterweight block 14. Wherein, it is specific, it is adjusting screw to adjust pole 8, the regulation hole is the screw hole, and when rotatory regulation pole 8, can adjust balancing weight 14 in X to the ascending position of the groove length direction of adjusting base groove 7 to avoid X to the tip perk of adjusting base groove 7, and can adjust the thrust direction that thrust rod 3 applyed to buckle 1, make thrust rod 3 applyed the effort on the horizontal direction to buckle 1.

Furthermore, a level meter can be arranged on the X-direction adjusting base groove 7 to detect the levelness of the X-direction adjusting base groove 7, so that the levelness of the thrust rod 3 is obtained, and the thrust direction of the thrust rod 3 is convenient to adjust.

In this embodiment, the driving device is an actuating cylinder 4, and the actuating cylinder 4 drives the thrust rod 3 to reciprocate, so as to facilitate the resetting of the thrust rod 3.

As shown in fig. 4, the air compressor 17 supplies driving pressure to the actuating cylinder 4, and the actuating cylinder 4 is pushed to operate after passing through the two-position four-way selector valve 20 and the speed control valve 21. The safety of the gas path transmission is monitored by a safety valve 18 and the gas path pressure is monitored by a pressure gauge 19. The air inlet rate of the actuating cylinder 4 is controlled by the speed regulating valve 21, so that the pushing speed of the thrust rod 3 is controlled, and the thrust rod 3 moves at a constant speed. The magnitude of the thrust rod 3 is controlled by controlling the amount of intake air of the actuating cylinder 4. The specific driving manner of the air compressor 17 to the actuating cylinder 4 belongs to the prior art, and the present invention is not described in detail.

In order to carry out a rotation endurance test on the belt buckle, a reciprocating transmission mechanism is connected between the thrust rod 3 and the belt buckle 1 and is used for driving the belt buckle 1 to do reciprocating rotation motion, and manual operation is not needed.

As shown in fig. 5, the reciprocating transmission mechanism is a slider-link mechanism, the slider-link mechanism includes a slider 15 and a link 16, the slider 15 is connected to the thrust rod 3, one end of the link 16 is connected to the slider 15, and the other end of the link 16 is connected to the buckle 1. When the actuating cylinder 4 drives the thrust rod 3 to reciprocate, the slide block 15 synchronously reciprocates, and the buckle 1 is driven to rotate within a certain angle range through the connecting rod 16, as shown in fig. 5, the buckle 1 swings left and right around the steel bracket 2, the angle range of leftward rotation is 15 degrees, and the angle range of rightward rotation is 15 degrees.

It should be noted that the sliding block 15 may also be installed on the guide rod 6 or the guide plate 5, and only the actuating cylinder 4 needs to be able to drive the sliding block 15 to reciprocate.

In summary, the embodiment of the present invention provides a buckle rotation force measuring device, which drives a pushing device 3 to move through a driving device, applies a pushing force to a buckle 1 through the pushing device 3 to rotate the buckle 1, and detects the pushing force applied by the pushing device 3 through a pressure detecting device as a rotation force of the buckle 1, so that the rotation force is not required to be measured through a dynamometer, the influence of human operation factors is reduced, and thus, the measurement error is reduced. In addition, in the utility model, the slide block link mechanism is used for driving the belt buckle 1 to reciprocate, so that the durability of the rotation of the belt buckle is measured, a manual durability test is avoided, and the reliability of the durability test is improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The belt buckle rotating force measuring device is characterized by comprising a position adjusting device, a driving device, a pushing device and a pressure detecting device, wherein the driving device is installed on the position adjusting device, and the position adjusting device is used for adjusting the positions of the driving device and the pushing device; the first end of the pushing device is connected with the driving device, the second end of the pushing device is arranged opposite to the belt buckle and used for pushing the belt buckle to rotate, and the pressure detection device is connected with the pushing device and used for detecting the pushing force applied by the pushing device to the belt buckle.

2. A rotational force measuring device according to a buckle according to claim 1, wherein said position adjusting means comprises an X-direction adjusting module, a Y-direction adjusting module, and a Z-direction adjusting module, said X-direction adjusting module being elevatably and slidably mounted on said Z-direction adjusting module, said Z-direction adjusting module being slidably mounted on said Y-direction adjusting module, said driving means being mounted on said X-direction adjusting module.

3. The rotational force measuring device according to the buckle according to claim 2, wherein the X-direction adjusting module includes an X-direction adjusting base groove, the driving means is installed in the X-direction adjusting base groove, a sliding groove is provided on a groove wall of the X-direction adjusting base groove, and one side of the Z-direction adjusting module is slidably provided in the sliding groove.

4. A rotating force measuring device with buckle according to claim 3, wherein an adjusting lever is installed at an end of said X-direction adjusting base groove away from said driving means, a weight block is installed on said X-direction adjusting base groove, an adjusting hole for said adjusting lever to pass through is installed on said weight block, and said adjusting lever is connected to said weight block.

5. The buckle rotational force measuring device according to claim 2, wherein the Y-direction adjusting module includes a horizontal rail groove, and the Z-direction adjusting module is slidably installed in the horizontal rail groove.

6. A rotational force measuring device with buckle according to claim 2, wherein said Z-direction adjusting module comprises a guide post, a mounting seat and a locking handle, one end of said guide post is slidably connected with said Y-direction adjusting module, said mounting seat is liftably mounted on said guide post, said locking handle is mounted on one side of said mounting seat, and the other side of said mounting seat is slidably connected with said X-direction adjusting module.

7. A buckle rotational force measuring device according to claim 1, wherein a reciprocating transmission mechanism is connected between the pushing means and the buckle, the reciprocating transmission mechanism being configured to bring the buckle into reciprocating rotational movement.

8. A rotational force measuring device according to the buckle according to claim 7, wherein said reciprocating transmission mechanism is a slider link mechanism including a slider and a link, said slider being connected to said urging means, one end of said link being connected to said slider, the other end of said link being connected to said buckle.

9. A buckle rotational force measuring device according to claim 1, further comprising a guide means provided between said driving means and said urging means, said guide means including a guide plate, a guide sleeve and a guide rod, said guide sleeve being fixed to said position regulating means, said guide rod being slidably installed in said guide sleeve, and said guide rod being installed at one side of said guide plate, said urging means being installed at the other side of said guide plate, said guide plate being connected to said driving means.

10. A rotational force measuring device of a buckle according to claim 1, wherein said pressure detecting means is a pressure sensor provided at a second end of said urging means.