A toothbrush bristle bundle strength tester

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By designing a toothbrush bundle strength tester and using components such as force sensors and slip motors, accurate and automated detection of the strength of the toothbrush bundle is achieved, solving the problems of inaccurate detection and low degree of automation in the prior art.

CN222704456UActive Publication Date: 2025-04-01GOTECH TESTING MACHINES DONGGUAN

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Patent Information

Application Number: CN202420025532.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-01-04
Publication Date: 2025-04-01
Estimated Expiration: 2034-01-04

AI Technical Summary

Technical Problem

The prior art is difficult to accurately and automatically detect the softness and hardness of the toothbrush bundle, and lacks quantitative indicators, so it cannot be suitable for the detection of different toothbrush heads.

Method used

A toothbrush bundle strength tester is designed, using components such as force sensors and slip motors. By automatically recording force value data, tests are strictly carried out in accordance with the speed and direction specified in the standard, so as to achieve accurate detection of the toothbrush bundle strength.

Benefits of technology

Reliable and accurate detection of toothbrush bundle strength is achieved, and has high automation to ensure the accuracy and repeatability of the test.

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Abstract

The utility model discloses a toothbrush hair bundle strength tester, including a control box, a fixed plate is provided on the top of the control box, a slide rail is provided on the bottom of the fixed plate, a sliding motor is provided at the end of the slide rail, the output shaft of the sliding motor is connected to the sliding screw, a sliding device is provided on the sliding screw, and a sliding seat corresponding to the slide rail is provided on the side of the sliding device facing the fixed plate; a force sensor is provided on the fixed plate, a lifting motor is provided on the sliding device, a base is provided on the side of the sliding device close to the fixed plate, a sliding groove is provided on the fixed plate, and the base is arranged in the sliding groove; the top of the base protrudes above the fixed plate, and a column extending upward is provided on the base, and an upper top seat is provided at one end of the column away from the base, a clamping seat is passed through the column, a lifting device is provided on the clamping seat, and a clamping device is provided at one end of the clamping seat away from the column. The utility model is used for the hair bundle strength test of brushes, has high precision, has a high degree of automation, and ensures the accuracy of the test.

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Description

Technical Field

[0001] The utility model belongs to the technical field of detection equipment, and mainly relates to a detection equipment for testing the softness and hardness of bristle bundles of a toothbrush. Background Art

[0002] Toothbrushes are oral cleaning products. Consumers usually choose toothbrush bristle bundles with appropriate strength according to their own needs when purchasing toothbrushes. The bristle bundle strength of a toothbrush refers to the hardness of the bristles. The bristle bundle strength is evaluated by the force generated by the bristle bundle to resist bending. Therefore, a more clear qualitative and quantitative analysis of the bristle bundle strength is required. Existing testing methods and equipment determine the bristle bundle strength level of toothbrushes, which is usually only vaguely determined based on the strength of the bristle bundle material, lacks quantitative indicators, and cannot automatically detect different toothbrush heads. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a toothbrush bristle bundle strength tester to improve the accuracy and reliability of the testing equipment.

[0004] In order to solve the existing technical problems, the utility model adopts the following technical solutions:

[0005] A toothbrush bristle bundle strength tester comprises a control box, a fixing plate is arranged on the top of the control box, a slide rail is arranged on the bottom of the fixing plate, a sliding motor is arranged at the end of the slide rail, an output shaft of the sliding motor is connected to a sliding screw rod, a sliding device (sliding nut seat) is arranged on the sliding screw rod, and a sliding seat matching the slide rail is arranged on one side of the sliding device facing the fixing plate;

[0006] A force sensor is provided on the fixed plate, a lifting motor is provided on the sliding device (sliding nut seat), a base is provided on a side of the sliding device close to the fixed plate, a sliding groove is provided on the fixed plate, and the base is arranged in the sliding groove;

[0007] The top of the base protrudes above the fixed plate, the base is provided with a column extending upward, an upper seat is provided at one end of the column away from the base, a clamping seat is passed through the column, a lifting device is provided on the clamping seat, and a clamping device is provided at one end of the clamping seat away from the column;

[0008] The lifting device is arranged on the lifting screw rod, a grid is arranged under the clamping device, the grid is connected to the force sensor through a connecting plate, and the force sensor is arranged on the fixing plate.

[0009] Further, in some embodiments, leveling feet are provided at the four corners of the bottom of the control box, and a touch screen is provided on the front of the control box.

[0010] Furthermore, in some embodiments, the sliding screw is arranged parallel to the slide rail, the slide seat is embedded in the slide rail, a force sensor shield is provided on the fixed plate, and a force sensor is provided in the force sensor shield.

[0011] Furthermore, in some embodiments, the base is arranged on one side of the slide, the output shaft of the lifting motor is connected to the lifting screw rod, and the lifting screw rod passes through the base and then is connected to the output shaft of the lifting motor.

[0012] Furthermore, in some embodiments, a group of symmetrical limit switches are provided on one side of the slide rail, the sliding device is slidably arranged between the group of limit switches, and the limit switches are arranged on the bottom surface of the fixed plate.

[0013] Furthermore, in some embodiments, a folding shield is provided below the sliding groove, and a base is provided in the middle of the folding shield.

[0014] Furthermore, in some embodiments, one end of the lifting screw rod away from the lifting motor is arranged on an upper top seat, and a sealing cover is provided on the outer side between the upper top seat and the base.

[0015] Furthermore, in some embodiments, a force sensor shield is provided on the outer side of the force sensor to cover the force sensor.

[0016] Furthermore, in some embodiments, a side plate is provided between the upper seat and the base, a group of photoelectric switches spaced up and down are provided on the side plate, the photoelectric switch is provided with an adjustment groove on the side plate for adjusting the height, and a bidirectional extending baffle (shielding piece) matching the photoelectric switch is provided on the clamping seat, and the shielding piece of the bidirectional extending baffle can be slidably (adjustably) arranged in the photoelectric switch.

[0017] The utility model is mainly used for bristle bundle strength test of toothbrushes. It has reliable and reproducible test values of bristle bundle strength. It uses a force sensor to automatically record force data (bristle bundle strength value). It can test the bristle bundle strength of toothbrushes strictly in accordance with the speed, direction and other requirements specified in different standards. It has high precision and a high degree of automation to ensure the accuracy of the test.

[0018] The utility model fixes the brush sample on the clamping device, ensures that the hair bundle plane of the brush sample is parallel to the grid, the sliding motor drives the sliding device, and the lifting motor drives the lifting device, so that the clamping device runs to the test state, and 1 / 3 of the hair bundle height in the brush sample automatically enters the grid, and the sliding motor drives the sliding device to make the clamping device continue to move to the left, and the touch screen obtains the positive hair bundle bending force value F1 through the force sensor, and then moves in the reverse direction after resetting, and obtains the reverse hair bundle bending force value F2 again, and the average value of the bending force values F1 and F2 is the hair bundle strength value. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of an embodiment of the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of a machine according to an embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the machine part of the embodiment of the utility model;

[0022] Figure 4 This is a schematic structural diagram of the folding shield portion of an embodiment of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the sliding device part of the embodiment of the utility model;

[0024] Figure 6 It is a cross-sectional structural diagram of an embodiment of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the lifting device part of the embodiment of the utility model;

[0026] Figure 8 It is a schematic diagram of the assembly of the sliding device part of the embodiment of the utility model.

[0027] Markings in the figure:

[0028] Leveling foot 11, control box 12, touch screen 13, fixing plate 14, force sensor shield 15, clamping seat 16, sealing cover 17, brush sample 18, force sensor 19, grille 21, lifting device 22, sliding motor 23, sliding device 24, lifting motor 25, clamping device 26, sliding groove 27, photoelectric switch 28, connecting plate 31, slide rail 32, limit switch 33, sliding screw 34, base 35, slide seat 36, two-way extending baffle 37, column 38, lifting screw 39, upper top seat 41, folding shield 44, side plate 46, adjustment groove 47. DETAILED DESCRIPTION

[0029] In order to further understand the features, technical means, and specific purposes and functions achieved by the present invention, the embodiments in this application and the features in the embodiments can be combined with each other without conflict. In order to further understand the features, technical means, and specific purposes and functions achieved by the present invention, and to analyze the advantages and spirit of the present invention, a further understanding is obtained through the following detailed description of the present invention in combination with the accompanying drawings and specific implementation methods.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "front", "rear" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0031] In order to further illustrate the features and technical means of this application, please refer to the attached Figure 1 As shown, attached Figure 1 The appearance structure of the present application is shown in FIG. 1 , which includes a control box 12 , a fixing plate 14 is provided on the top of the control box 12 , leveling feet 11 are provided at the four corners of the bottom of the control box 12 , and a touch screen 13 is provided on the front of the control box 12 .

[0032] Participate in the Figure 6 As shown, attached Figure 6 The relevant structure of the sliding device 24 of the present application is shown in the figure, a sliding rail 32 is provided on the bottom surface of the fixed plate 14, a sliding motor 23 is provided at the end of the sliding rail 32, the output shaft of the sliding motor 23 is connected to a sliding screw 34, the sliding screw 34 is arranged parallel to the sliding rail 32, a sliding device 24 (sliding nut seat) is provided on the sliding screw 34, a sliding seat 36 matching the sliding rail 32 is provided on the side of the sliding device 24 facing the fixed plate 14, the sliding seat 36 is embedded in the sliding rail 32, a force sensor shield 15 is provided on the fixed plate 14, and a force sensor 19 is provided in the force sensor shield 15.

[0033] Participate in the Figure 5 , Attachment Figure 8 As shown, attached Figure 5 , Attachment Figure 8 The associated structure of the base 35 of the present application is shown in the figure, a lifting motor 25 is provided on the sliding device 24 (sliding nut seat), a base 35 is provided on a side of the sliding device 24 close to the fixed plate 14, the base 35 is arranged on one side of the slide seat 36, the output shaft of the lifting motor 25 is connected to the lifting screw 39, the lifting screw 39 passes through the base 35 and is connected to the output shaft of the lifting motor 25, a sliding groove 27 is opened on the fixed plate 14, the base 35 is arranged in the sliding groove 27, a group of symmetrical limit switches 33 are provided on one side of the slide rail 32, the sliding device 24 can be slidably arranged between a group of limit switches 33, and the limit switch 33 is arranged on the bottom surface of the fixed plate 14.

[0034] Further, in some embodiments, the Figure 4 As shown, attached Figure 4The associated structure of the folding shield 44 of the present application is shown in the figure. The folding shield 44 is provided below the sliding groove 27. The middle part of the folding shield 44 is provided with a base 35. The top of the base 35 protrudes above the fixed plate 14. The base 35 is provided with a column 38 extending upward. The end of the column 38 away from the base 35 is provided with an upper top seat 41. The column 38 is penetrated by a clamping seat 16. The clamping seat 16 is provided with a lifting device 22. The end of the lifting screw rod 39 away from the lifting motor 25 is arranged on the upper top seat 41. 1, the lifting device 22 is arranged on the lifting screw 39, the lifting motor 25 starts to rotate the lifting screw 39, drives the lifting device 22 (lifting nut seat) on the lifting screw 39 to move up and down, and the lifting device 22 (lifting nut seat) drives the clamping seat 16 to move up and down on the column 38. The clamping device 26 is arranged at one end of the clamping seat 16 away from the column 38, and the clamping device 26 clamps the brush sample 18 on the clamping seat 16. A sealing cover 17 is arranged on the outer side between the upper top seat 41 and the base 35.

[0035] Participate in the Figure 2 , Attachment Figure 7 As shown, attached Figure 2 , Attachment Figure 7 The associated structure of the grille 21 of the present application is shown in the figure. The grille 21 is provided below the clamping device 26. The grille 21 is connected to the force sensor 19 through the connecting plate 31. The force sensor 19 is arranged on the fixing plate 14. The outer side of the force sensor 19 is provided with a force sensor shield 15 covering it.

[0036] Further, in some embodiments, the Figure 6 , Attachment Figure 7 As shown, attached Figure 6 , Attachment Figure 7 The associated structure of the photoelectric switch 28 of the present application is shown in the figure, a side plate 46 is provided between the upper top seat 41 and the base 35, a group of photoelectric switches 28 spaced apart from each other are provided on the side plate 46, the photoelectric switch 28 is provided with an adjustment groove 47 for adjusting the height on the side plate 46, a bidirectional extending baffle 37 (shielding piece) matching with the photoelectric switch 28 is provided on the clamping seat 16, and the shielding piece of the bidirectional extending baffle 37 can be slidably (adjustably) arranged in the photoelectric switch 28.

[0037] Fix the brush sample 18 on the clamping device 26, ensure that the bristle plane of the brush sample 18 is parallel to the grid 21, turn on the power switch, input the bristle height value on the touch screen 13, and press the confirmation key; the sliding motor 23 drives the sliding device 24, and the lifting motor 25 drives the lifting device 22, so that the clamping device 26 runs to the test state, and press the confirmation key; the clamping device 26 moves to the center of the grid 21 (grid-type base), and the brush contacts the grid 21. At this time, 1 / 3 of the height of the bristle in the brush sample 18 automatically enters the grid 21, which can be suitable for different toothbrush heads; the sliding motor 23 drives the sliding device 24 to make the clamping device 26 continue to move to the left, and the touch screen 13 obtains the positive bristle bending force value F1 through the force sensor 19. The lifting motor 25 drives the lifting device 22 to make the clamping device 26 return to the height to be measured. Thereafter, the sliding motor 23 drives the sliding device 24 to make the clamping device 26 return to the center of the grille 21. At this time, 1 / 3 of the height of the hair bundle in the brush sample 18 automatically enters the grille 21 again. The sliding motor 23 drives the sliding device 24 to make the clamping device 26 continue to move to the right. The touch screen 13 obtains the reverse hair bundle bending force value F2 again through the force sensor 19. The average of the bending force values F1 and F2 is the hair bundle strength value.

[0038] The above embodiments only express several preferred implementations of the utility model, and the descriptions thereof are relatively specific and detailed. It should be understood that the utility model is not limited to the forms disclosed herein, and should not be regarded as the exclusion of other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge in the relevant field, and cannot be understood as limiting the scope of the utility model. It should be pointed out that for ordinary technicians in this field, several deformations and improvements can be made without departing from the concept of the utility model. The changes and modifications made by the personnel in this field do not depart from the spirit and scope of the utility model, and all of these belong to the protection scope of the claims attached to the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A toothbrush bristle bundle strength tester, comprising: A control box (12), wherein a fixed plate (14) is provided on the top of the control box (12); characterized in that a slide rail (32) is provided on the bottom surface of the fixed plate (14), a sliding motor (23) is provided at the end of the sliding rail (32), the output shaft of the sliding motor (23) is connected to a sliding screw (34), a sliding device (24) is provided on the sliding screw (34), and a sliding seat (36) matching the sliding rail (32) is provided on the side of the sliding device (24) facing the fixed plate (14); A force sensor (19) is provided on the fixed plate (14), a lifting motor (25) is provided on the sliding device (24), a base (35) is provided on a side of the sliding device (24) close to the fixed plate (14), a sliding groove (27) is provided on the fixed plate (14), and the base (35) is arranged in the sliding groove (27); The top of the base (35) protrudes above the fixing plate (14), the base (35) is provided with a column (38) extending upward, an end of the column (38) away from the base (35) is provided with an upper seat (41), a clamping seat (16) is passed through the column (38), a lifting device (22) is provided on the clamping seat (16), and a clamping device (26) is provided at one end of the clamping seat (16) away from the column (38); The lifting device (22) is arranged on the lifting screw rod (39), a grille (21) is arranged below the clamping device (26), the grille (21) is connected to the force sensor (19) through a connecting plate (31), and the force sensor (19) is arranged on the fixing plate (14).

2. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: Leveling feet (11) are provided at the four corners of the bottom of the control box (12), and a touch screen (13) is provided on the front of the control box (12).

3. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: The sliding screw rod (34) is arranged in parallel with the slide rail (32), the slide seat (36) is embedded in the slide rail (32), the fixed plate (14) is provided with a force sensor shield (15), and the force sensor shield (15) is provided with a force sensor (19).

4. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: The base (35) is arranged on one side of the slide seat (36); the output shaft of the lifting motor (25) is connected to the lifting screw rod (39); and the lifting screw rod (39) penetrates the base (35) and is connected to the output shaft of the lifting motor (25).

5. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: A group of symmetrical limit switches (33) are provided on one side of the slide rail (32), the sliding device (24) is slidably arranged between the group of limit switches (33), and the limit switches (33) are arranged on the bottom surface of the fixed plate (14).

6. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: A folding shield (44) is provided below the sliding groove (27), and a base (35) is provided in the middle of the folding shield (44).

7. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: One end of the lifting screw rod (39) away from the lifting motor (25) is arranged on the upper top seat (41), and a sealing cover (17) is arranged on the outer side between the upper top seat (41) and the base seat (35).

8. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: A force sensor shield (15) covering the force sensor (19) is disposed on the outer side thereof.

9. A toothbrush bristle bundle strength tester according to claim 1, characterized in that: A side plate (46) is provided between the upper seat (41) and the base (35); a group of photoelectric switches (28) spaced apart from each other are provided on the side plate (46); a position adjustment groove (47) for adjusting the height of the photoelectric switch (28) is provided on the side plate (46); a bidirectional extending baffle (37) matching and corresponding to the photoelectric switch (28) is provided on the clamping seat (16); and a shielding piece of the bidirectional extending baffle (37) is slidably arranged in the photoelectric switch (28).