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CN-121977813-A - Device and method for testing cleaning capability of electric toothbrush

CN121977813ACN 121977813 ACN121977813 ACN 121977813ACN-121977813-A

Abstract

The invention relates to the technical field of toothbrush testing, in particular to a device and a method for testing the cleaning capability of an electric toothbrush, which comprise a testing machine, a toothbrush clamp and a testing piece, wherein the testing piece is fixedly connected to the top end of the testing machine, a pair of guide rails are fixedly connected to the top end of the testing machine, a transverse moving frame is transversely connected between the guide rails, the toothbrush clamp is arranged above the transverse moving frame, a round rod is rotatably connected to the top end of the testing machine, the guide rails are arranged between the round rod and the testing piece, a moving mechanism is used for converting rapid transverse reciprocating motion into a composite mode combining slow sliding and pause of an intermittent mechanism, the cleaning mechanism of the rotary electric toothbrush can be accurately matched, the rotary brush head generates mechanical friction by means of self rotation, enough residence time is needed to ensure sufficient friction, the moving structure enables the device to adapt to rotary testing requirements, insufficient cleaning caused by excessive motion is avoided, and the testing accuracy is remarkably improved.

Inventors

  • YANG YUXIAO
  • ZHU RENJING
  • LIN WEI

Assignees

  • 厦门科司特电子股份有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (9)

  1. 1. The utility model provides an electric toothbrush cleaning ability testing arrangement, includes test machine (1), toothbrush anchor clamps (2) and test piece (3), test piece (3) fixed connection is on test machine (1) top, a serial communication port, test machine (1) top fixedly connected with a pair of guide rail (4), transversely sliding connection has sideslip frame (5) between guide rail (4), toothbrush anchor clamps (2) set up in sideslip frame (5) top, test machine (1) top swivelling joint has round bar (6), guide rail (4) set up the position between round bar (6) and test piece (3), round bar (6) top fixedly connected with disc (7), the diameter of disc (7) is the triple of round bar (6) diameter, the eccentric department swivelling joint on disc (7) top has connecting rod (8), the connecting rod (8) other end swivelling joint is on sideslip frame (5) top, disc (7) outer wall fixedly connected with toothed ring (9), round bar (6) outer wall fixedly connected with down toothed ring (10), be equipped with down toothed ring (10) and toothed ring (10) down, toothed ring (10) are equipped with down, toothed ring (12) are equipped with each other, the automatic toothbrush testing machine is characterized in that a moving mechanism for selectively driving the upper rack (11) or the lower rack (12) to move is arranged on the testing machine (1), a side cavity (27) is formed in the side wall of the testing machine (1), an intermittent mechanism for intermittently driving the moving mechanism to operate is arranged in the side cavity (27), and a swinging mechanism for driving the toothbrush clamp (2) to swing back and forth in the reciprocating movement process is further arranged.
  2. 2. The electric toothbrush cleaning capability testing device according to claim 1, wherein an upper sliding rail (13) and a lower sliding rail (14) are fixedly connected to the top end of the testing machine (1), the upper rack (11) is transversely and slidably connected to the inner side of the upper sliding rail (13), and the lower rack (12) is transversely and slidably connected to the inner side of the lower sliding rail (14).
  3. 3. The electric toothbrush cleaning capability testing device according to claim 1, wherein the moving mechanism comprises a driving electric telescopic cylinder (15), an upper bolt (16), a lower bolt (17) and an L-shaped rod (18), a top groove is formed in the top end of the testing machine (1), the driving electric telescopic cylinder (15) is fixedly connected to the inner side of the top groove, a T-shaped plate (19) is connected to the inner side of the top groove in a transverse radian mode, the output end of the driving electric telescopic cylinder (15) is fixedly connected to the side wall of the T-shaped plate (19), the L-shaped rod (18) is fixedly connected to the side wall of the T-shaped plate (19), the upper bolt (16) penetrates through the top end of the side wall of the L-shaped rod (18), the lower bolt (17) penetrates through the bottom end of the side wall of the L-shaped rod (18), threaded holes (20) are formed in the side walls of the upper rack (11) and the lower rack (12), and the side ends of the lower bolt (17) are in threaded connection to the inner side of the threaded holes (20).
  4. 4. The electric toothbrush cleaning capability testing device according to claim 1, wherein the intermittent mechanism comprises an upper electric telescopic cylinder (21), an upper plate (22), touch sensors (24) and a touch rod (25), the touch sensors (24) are arranged in four, the upper plate (22) is longitudinally and slidably connected to the inner side of the side cavity (27), the touch sensors (24) are fixedly connected to the top end of the upper plate (22) at equal intervals, the bottom end of the round rod (6) penetrates through the side cavity (27) and is fixedly connected with a top plate (26), the touch sensors (24) are electrically connected between the controller and the moving mechanism, the upper electric telescopic cylinder (21) is fixedly connected to the bottom end of the side cavity (27), and the output end of the upper electric telescopic cylinder (21) is fixedly connected to the bottom end of the upper plate (22).
  5. 5. The electric toothbrush cleaning ability testing device according to claim 4, wherein the touch rod (25) is fixedly connected to the bottom end of the top plate (26), the touch rod (25) is arranged at a position right above one of the touch sensors (24), and an access panel (28) is mounted on the inner side of the side cavity (27) through bolts.
  6. 6. The electric toothbrush cleaning capability testing device according to claim 4, wherein the swinging mechanism comprises a gear (30) and a side rack (31), a groove (23) is formed in the side wall of the transverse moving frame (5), a swinging plate (33) is rotatably connected to the side wall of the groove (23), the gear (30) is fixedly connected to the side wall of the swinging plate (33), the side rack (31) is transversely and slidably connected to the bottom end of the groove (23), the side rack (31) and the gear (30) are meshed with each other, the swinging plate (33) is fixedly connected to the bottom end of the toothbrush clamp (2), a lower electric telescopic cylinder (29) is fixedly connected to the rear side of the transverse moving frame (5), and the output end of the lower electric telescopic cylinder (29) penetrates through the inner side of the groove (23) and is fixedly connected to the rear side of the side rack (31).
  7. 7. The electric toothbrush cleaning ability testing device according to claim 6, wherein the side racks (31) are made of iron, and electromagnets (32) are fixedly connected to the side walls of the transverse moving rack (5).
  8. 8. The electric toothbrush cleaning capability testing device according to claim 1, wherein a pair of top bolts (34) are connected to the top end of the toothbrush clamp (2) through threads, and rubber blocks (35) are fixedly connected to the bottom ends of the top bolts (34).
  9. 9. A method for testing the cleaning ability of an electric toothbrush, which is applied to the electric toothbrush cleaning ability testing device according to any one of claims 1 to 8, characterized by comprising the steps of; Firstly, testing an acoustic toothbrush, namely controlling the moving mechanism to drive the lower rack (12) to move at a constant speed, driving the lower toothed ring (10) meshed with each other to rotate along with the lower rack, driving the disc (7) to rotate, and then driving the transverse moving frame (5) and the toothbrush clamp (2) to transversely move on the guide rail (4) through the moving mechanism, and driving the acoustic toothbrush to reciprocate on the test piece (3); Step two, testing the rotary toothbrush, adjusting the moving mechanism to enable the moving mechanism to drive the upper rack (11) to move at a constant speed, further driving the mutually meshed upper toothed ring (9) to rotate, and simultaneously controlling the intermittent mechanism to start, so that the rotary toothbrush can be driven to reciprocate slowly and intermittently; step three, testing the sweeping and vibrating toothbrush, wherein before the operation, the intermittent mechanism is required to be controlled to reset, then the moving mechanism in the step two is required to be continuously operated, and the swinging mechanism is required to be controlled to start to operate together with the moving mechanism, so that the sweeping and vibrating toothbrush can be slowly and simultaneously turned over to drive the sweeping and vibrating toothbrush to reciprocate.

Description

Device and method for testing cleaning capability of electric toothbrush Technical Field The invention relates to the technical field of toothbrush testing, in particular to a device and a method for testing the cleaning ability of an electric toothbrush. Background The device for testing the cleaning capability of the electric toothbrush is professional detection equipment for objectively evaluating the cleaning capability of the electric toothbrush, along with the rapid development of the electric toothbrush market, different brands of products have obvious differences in vibration frequency, bristle design and cleaning mode, and the actual cleaning effect of the electric toothbrush is difficult to accurately judge only by subjective feeling. When the device is used, an operator fixes a standard test sample (such as a simulated dental model or a test board attached with specific pollutants) on a device clamp, a test program (comprising parameters such as tooth brushing pressure, time, angle and the like) is set, the mechanical arm drives the electric toothbrush to perform cleaning operation according to a standard track after the device is started, after the test is finished, the cleaning effect is evaluated through an image analysis or weighing mode, a performance evaluation result is generated, and the device effectively eliminates subjective errors of manual tests and ensures objective and fair evaluation results. However, the existing electric toothbrush cleaning capability testing device adopts a single mechanical movement module, only can realize transverse reciprocating movement tracks in a fixed direction, however, the electric toothbrushes in the market can be divided into three types of sound wave type, rotary type and sweeping type according to cleaning mechanisms, and respectively correspond to various testing requirements of high-frequency micro-vibration matching with large-range transverse movement, rotary friction matching with slow propulsion, sweeping action matching with gesture overturning and the like, because the existing device lacks the self-adaptive adjustment capability of the motion mode, the test tracks of different toothbrushes cannot be reproduced through the same equipment, so that a detection mechanism and a production enterprise must purchase special test equipment for each toothbrush type, the purchase cost of the equipment and the occupation of a laboratory space are obviously increased, and the non-uniform test standard and poor data comparability are caused by the incompatibility among the equipment, so that the high-efficiency detection and the product research and development of the electric toothbrush industry are severely restricted. Accordingly, an apparatus and method for testing the cleaning ability of an electric toothbrush have been proposed to solve the above-mentioned problems. Disclosure of Invention The invention aims to solve the defects in the background art and provides a device and a method for testing the cleaning capability of an electric toothbrush. In order to achieve the above purpose, the technical scheme includes that the electric toothbrush cleaning capability testing device comprises a testing machine, a toothbrush clamp and a testing piece, wherein the testing piece is fixedly connected to the top end of the testing machine, the top end of the testing machine is fixedly connected with a pair of guide rails, a transverse moving frame is transversely connected between the guide rails, the toothbrush clamp is arranged above the transverse moving frame, the top end of the testing machine is rotatably connected with a round rod, the guide rails are arranged between the round rod and the testing piece, the top end of the round rod is fixedly connected with a disc, the diameter of the disc is three times of the diameter of the round rod, the eccentric position of the top end of the disc is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected to the top end of the transverse moving frame, the outer wall of the disc is fixedly connected with an upper toothed ring, the outer wall of the round rod is fixedly connected with a lower toothed ring, the side wall of the upper toothed ring is provided with an upper toothed rack meshed with the upper toothed ring, the lower toothed ring is provided with a lower toothed ring meshed with the lower toothed ring, the testing machine is provided with a moving mechanism capable of selectively driving the upper toothed rack or the lower toothed rack, the side wall of the testing machine is provided with a side cavity, the side cavity is used for driving the toothed rack to move intermittently and in a reciprocating process. In the above technical scheme, further, the test machine top is fixedly connected with respectively and goes up slide rail and lower slide rail, go up rack transverse sliding connection and go up the slide rail inboard, lower rack transverse sliding