CN215297587U - Button switch reliability test device - Google Patents

Abstract

The utility model discloses a button switch reliability test device, including the test bench, be equipped with switch fixed knot on the test bench and construct, the test bench center is equipped with the drive structure, switch fixed knot constructs to be equipped with a plurality ofly and uses the drive structure to encircle its setting as the centre of a circle, and every switch fixed knot constructs all to be equipped with rather than matched with simulation press device, a plurality of simulation press device movements of drive structure drive, switch fixed knot constructs and is equipped with the position fine setting structure, simulation press device one side all is equipped with the count structure. Has the advantages that: the utility model discloses button switch reliability test device is favorable to simultaneously carrying out the same test to a plurality of switches arranged around because of being provided with the rotary table and a plurality of driving wheels; the simulated pressing device is arranged, so that the switch can be tested in a mode of simulating the pressing of a human hand; due to the fact that the position fine adjustment structure is arranged, the pressing depth of the switch by the simulated tentacles can be changed.

Description

Button switch reliability test device

Technical Field

The utility model relates to a switch testing arrangement field specifically indicates a button switch reliability test device.

Background

The switch is widely applied to various electrical equipment, and as a frequently-used control part assembly, the fatigue property of the switch often determines the actual service life of the mechanical system. Therefore, fatigue life tests simulating actual working states need to be carried out on the button switch products in the processes of development, shaping and daily production. The actual working state of the button switch is as follows: and applying a certain force to the button, moving the button downwards, and automatically returning the button when the external force is eliminated, so that the working life of the button is required to reach a certain working frequency. In performing the simulation, the most important considerations are the application of force, the control of load magnitude, and the testing of a sufficient number of samples in a single test. If the actual working state of the button switch is simulated manually, the physical consumption of testers is large, the efficiency is low, and the test consistency cannot be guaranteed. Chinese patent publication No. CN204461725U, an automobile push-button switch fatigue test device, comprising a bottom plate, an upright post, a support plate and a loading lever, wherein the upright post is vertically installed on the bottom plate, one end of the loading lever is rotatably connected with the upright post, the other end of the loading lever is provided with an impact head, and the support plate is horizontally fixed between the bottom plate and the loading lever; a screw rod is fixedly arranged on the lower end face of the loading lever, the lower end of the screw rod slidably penetrates through the supporting plate, an adjusting hand wheel is sleeved on the part of the screw rod penetrating out of the supporting plate, the adjusting hand wheel is in threaded connection with the screw rod, a loading pressure spring is sleeved on the screw rod, the upper end of the loading pressure spring is abutted against the lower end face of the supporting plate, and the lower end of the loading pressure spring is abutted against the adjusting hand wheel; the reliability test device for the push button switch has the defects that the reliability test can be only carried out on a single switch, and the efficiency is low when the switch keys produced in batches are detected, so that the reliability test device for the push button switch is urgently researched to solve the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a simple structure, the practicality is strong, a button switch reliability test device that detection efficiency is high.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a button switch reliability test device, includes the test bench, is equipped with switch fixed knot on the test bench and constructs, the test bench center is equipped with the drive structure, switch fixed knot constructs to be equipped with a plurality ofly and uses the drive structure to encircle its setting as the centre of a circle, and every switch fixed knot constructs all to be equipped with rather than matched with simulation press device, a plurality of simulation press device movements of drive structure drive, switch fixed knot constructs and is equipped with the position fine setting structure, simulation press device one side all is equipped with the count structure.

Furthermore, the driving structure comprises a turntable, a servo motor and a driving wheel; the rotary table is arranged on the upper side of the test bed and is parallel to the test bed, the servo motor is fixed on the lower end face of the test bed, the output end of the servo motor penetrates through the test bed and is connected with the rotary table, the driving wheels are arranged in a plurality and are distributed on the edge of the rotary table in a circumferential array mode, and the driving wheels are connected with the rotary table in a rotating mode.

Furthermore, the simulation pressing device comprises an omega-shaped mounting frame, a sliding chute, a sliding rod, a contact roller, a mounting block, a simulation tentacle and a reset structure; mounting bracket and test bench screwed connection, the inside screwed connection of mounting bracket has the spout, sliding connection has the slide bar in the spout, the slide bar is close to carousel one end and is equipped with the contact roller who rotates the connection, contact roller cooperatees with the drive wheel, and slide bar other end screwed connection has the installation piece, the simulation tentacle pipe crosses installation piece and spiro union.

Furthermore, the reset structure is a tension spring connected between the mounting block and the mounting frame.

Further, the switch fixing structure comprises an installation table and a switch frame, the installation table is fixedly connected to the test bed, the switch frame is connected with the installation table through screws, a test switch is arranged on the switch frame, and the test switch is opposite to the simulation tentacle.

Furthermore, the position fine adjustment structure comprises straight notches arranged on two sides of the switch frame, and a plurality of screw holes matched with the straight notches are formed in the mounting table.

Furthermore, the counting structure comprises a sensor arranged on the test bed, and the sensor is electrically connected with the control module.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses button switch reliability test device is favorable to simultaneously carrying out the same test to a plurality of switches arranged around because of being provided with the rotary table and a plurality of driving wheels; the simulated pressing device is arranged, so that the switch can be tested in a mode of simulating the pressing of a human hand; due to the fact that the position fine adjustment structure is arranged, the pressing depth of the switch by the simulated tentacles can be changed.

Drawings

Fig. 1 is an upper side perspective view of the button switch reliability testing device of the present invention.

Fig. 2 is a top view of the push button switch reliability testing apparatus of the present invention.

Fig. 3 is an enlarged view of the simulation pressing device of the reliability testing device for the push button switch of the present invention.

Fig. 4 is a bottom perspective view of the button switch reliability testing device of the present invention.

As shown in the figure: 1. a test bed; 2. a counting structure; 3. a turntable; 4. a servo motor; 5. a drive wheel; 6. a mounting frame; 7. a chute; 8. a slide bar; 9. a contact roller; 10. mounting blocks; 11. simulating a tentacle; 12. an installation table; 13. a switch frame; 14. a straight notch; 15. and a screw hole.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The utility model provides a button switch reliability test device, includes test bench 1, is equipped with switch fixed knot on test bench 1 and constructs, 1 center of test bench is equipped with the drive structure, switch fixed knot constructs to be equipped with a plurality ofly and uses the drive structure to encircle its setting as the centre of a circle, and every switch fixed knot constructs all to be equipped with rather than matched with simulation press device, a plurality of simulation press device movements of drive structure drive, switch fixed knot constructs and is equipped with the position fine setting structure, simulation press device one side all is equipped with count structure 2.

The driving structure comprises a turntable 3, a servo motor 4 and a driving wheel 5; the rotary table 3 is arranged on the upper side of the test bed 1 and is parallel to the test bed, the servo motor 4 is fixed on the lower end face of the test bed 1, the output end of the servo motor penetrates through the test bed 1 and is connected with the rotary table 3, the driving wheels 5 are arranged in a plurality and are arranged on the edge of the rotary table 3 and distributed in a circumferential array mode, and the driving wheels 5 are rotatably connected with the rotary table 3. The position fine adjustment structure comprises straight notches 14 arranged on two sides of the switch frame 13, and a plurality of screw holes 15 matched with the straight notches 14 are formed in the mounting table 12. The counting structure 2 comprises a sensor arranged on the test bed 1, and the sensor is electrically connected with the control module.

The simulation pressing device comprises an omega-shaped mounting frame 6, a sliding chute 7, a sliding rod 8, a contact roller 9, a mounting block 10, a simulation tentacle 11 and a reset structure; mounting bracket 6 and 1 screwed connection of test bench, 6 inside screwed connection of mounting bracket has spout 7, sliding connection has slide bar 8 in the spout 7, slide bar 8 is close to 3 one end of carousel and is equipped with the contact roller 9 of rotating the connection, contact roller 9 cooperatees with drive wheel 5, and 8 other end screwed connection of slide bar have installation piece 10, 11 pipes of simulation tentacle cross installation piece 10 rather than the spiro union. The reset structure is a tension spring connected between the mounting block 10 and the mounting frame 6. The switch fixing structure comprises a mounting table 12 and a switch frame 13, wherein the mounting table 12 is fixedly connected to the test bed 1, the switch frame 13 is in screw connection with the mounting table 12, a test switch is arranged on the switch frame 13, and the test switch is opposite to the simulation tentacle 11.

The working principle is as follows: the driving wheel 5 arranged on the turntable 3 can drive the simulation pressing devices arranged on the periphery to move by utilizing the circular motion of the turntable, and the simulation tentacles 11 at the end parts are pushed by the slide bars 8 to press on the switches, so that the effect of simulating the pressing of hands is realized, and the device can be provided with a plurality of simulation pressing devices in the circumferential direction of the turntable 3, thereby being beneficial to carrying out reliability tests on a plurality of switches simultaneously and improving the working efficiency; the driving wheels 5 on the rotary table 3 are matched with the contact rollers 9 on the sliding rods 8, when the rotary table 3 rotates, the surrounding driving wheels 5 can be pressed on the contact wheels in turn to realize a pushing effect, the sliding rods 8 press the switch through the simulation tentacles 11 under the guidance of the sliding grooves 7, the reset structure pulls the sliding rods 8 back through springs (not shown in the drawing) to reset, namely one-time simulation pressing is completed, and the counting structure 2 accumulates the action times at the same time and calculates the service life of the switch; furthermore, the pressing depth of the switch can be adjusted through the stop fine adjustment structure.

The present invention and the embodiments thereof have been described above, but the present invention is not limited thereto, and the embodiments shown in the detailed description are only some examples, not all examples, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (7)

1. The utility model provides a button switch reliability test device, includes test bench (1), is equipped with switch fixed knot on test bench (1) and constructs its characterized in that: the test bench (1) center is equipped with the drive structure, switch fixed knot constructs and is equipped with a plurality ofly and use the drive structure to encircle its setting as the centre of a circle, and every switch fixed knot constructs all to be equipped with rather than matched with simulation press device, a plurality of simulation press device movements of drive structure drive, switch fixed knot constructs and is equipped with the position fine setting structure, simulation press device one side all is equipped with count structure (2).

2. The push button switch reliability test device according to claim 1, wherein: the driving structure comprises a turntable (3), a servo motor (4) and a driving wheel (5); carousel (3) set up in test bench (1) upside and parallel rather than, servo motor (4) are fixed at test bench (1) lower terminal surface and its output passes test bench (1) and is connected with carousel (3), drive wheel (5) are equipped with a plurality ofly and set up and be the circumference array distribution at carousel (3) border, drive wheel (5) rotate with carousel (3) and are connected.

3. The push button switch reliability test device according to claim 2, wherein: the simulation pressing device comprises an omega-shaped mounting frame (6), a sliding chute (7), a sliding rod (8), a contact roller (9), a mounting block (10), a simulation tentacle (11) and a reset structure; mounting bracket (6) and test bench (1) screwed connection, mounting bracket (6) internal screw connection has spout (7), sliding connection has slide bar (8) in spout (7), slide bar (8) are close to carousel (3) one end and are equipped with contact roller (9) that rotate the connection, contact roller (9) cooperate with drive wheel (5), and slide bar (8) other end screwed connection has installation piece (10), installation piece (10) and its spiro union are crossed to simulation tentacle (11) pipe.

4. A push button switch reliability testing device according to claim 3, characterized in that: the reset structure is a tension spring connected between the mounting block (10) and the mounting frame (6).

5. A push button switch reliability testing device according to claim 3, characterized in that: the switch fixing structure comprises a mounting table (12) and a switch frame (13), wherein the mounting table (12) is fixedly connected to the test table (1), the switch frame (13) is connected with the mounting table (12) through screws, a test switch is arranged on the switch frame (13), and the test switch is just opposite to the simulation tentacle (11).

6. The push button switch reliability testing apparatus according to claim 5, wherein: the position fine adjustment structure comprises straight notches (14) arranged on two sides of a switch frame (13), and a plurality of screw holes (15) matched with the straight notches (14) are formed in the mounting table (12).

7. The push button switch reliability test device according to claim 1, wherein: the counting structure (2) comprises a sensor arranged on the test bed (1), and the sensor is electrically connected with the control module.

Images