Locking force testing device for brush head of electric toothbrush

Abstract

The utility model discloses an electric toothbrush head locking force testing device which comprises a machine body fixing structure and a brush head fixing structure, the machine body fixing structure is used for fixing a machine body of an electric toothbrush, and the brush head fixing structure is used for fixing a brush head of the electric toothbrush; the machine body fixing structure comprises a supporting base and a machine body clamp, the machine body clamp comprises a fixing block, a sliding block and a driving structure, the fixing block is fixed to the supporting base, the sliding block is slidably installed on the fixing block, and a first clamping space used for installing a machine body is formed between the sliding block and the fixing block; the driving structure is used for driving the sliding block to slide on the fixed block and adjusting the size of the first clamping space. The sliding block is installed on the fixed block in a sliding mode, the first clamping space used for installing the machine body is formed between the sliding block and the fixed block, and then the driving structure is adopted to drive the sliding block to slide on the fixed block, so that the size of the first clamping space can be adjusted, and the machine body can be conveniently clamped or taken down from the machine body fixing structure.

Description

Technical Field

[0001] The utility model relates to the technical field of electric toothbrush testing, in particular to a device for testing the locking force of an electric toothbrush head. Background Art

[0002] As living standards improve, people's demands for quality of life are also getting higher and higher, and the use of electric toothbrushes is becoming more and more popular. Electric toothbrushes are subjected to various tests before leaving the factory to ensure that they can be used normally in daily life. For example, the operating current of the electric toothbrush motor is tested, and the locking force between the brush head and the body is tested.

[0003] When testing the locking force of an electric toothbrush head, the existing technology typically secures the brush head and body to separate fixing blocks. The body is secured to the workbench via one of the fixing blocks, stabilizing the body vertically. The brush head is connected to a dynamometer via another fixing block. The dynamometer pulls the brush head upward, reading the dynamometer's reading to test the locking force of the brush head. However, the fixing blocks typically secure the body with bolts, making disassembly very inconvenient and resulting in a lengthy test. Utility Model Content

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide an electric toothbrush head locking force testing device to solve the problem in the prior art that it is very inconvenient to test the locking force testing structure by disassembling the body.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] The utility model provides a locking force testing device for an electric toothbrush head, comprising a body fixing structure and a brush head fixing structure, wherein the body fixing structure is used to fix the body of the electric toothbrush, and the brush head fixing structure is used to fix the brush head of the electric toothbrush;

[0007] The fuselage fixing structure includes a supporting base and a fuselage clamp, and the fuselage clamp includes a fixed block, a sliding block and a driving structure. The fixed block is fixed to the supporting base, and the sliding block is slidably installed on the fixed block and forms a first clamping space for installing the fuselage between the fixed block. The driving structure is used to drive the sliding block to slide on the fixed block and adjust the size of the first clamping space.

[0008] Furthermore, the fixed block is provided with a guide rod, one end of the guide rod is fixed to the fixed block, the sliding block is provided with a sliding hole that cooperates with the guide rod, and the sliding block is installed on the guide rod through the sliding hole and can slide on the guide rod.

[0009] Furthermore, the fuselage fixture includes a mounting plate, one end of the guide rod away from the fixed block is fixed to the mounting plate, the sliding block is located between the fixed block and the mounting plate, and the driving structure is installed on the mounting plate.

[0010] Furthermore, a threaded hole is provided on the mounting plate, and the driving structure includes a rotating handle and a threaded rod cooperating with the threaded hole, one end of the threaded rod is fixed to the rotating handle, and the other end of the threaded rod passes through the threaded hole and is rotatably connected to the sliding block.

[0011] Furthermore, the sliding block is provided with a linear bearing, which is installed in the sliding hole and located between the inner wall of the sliding hole and the guide rod.

[0012] Furthermore, a first clamping groove cooperating with the fuselage is provided on the side of the fixed block facing the sliding block, and a second clamping groove cooperating with the fuselage is provided on the side of the sliding block facing the fixed block. The first clamping groove and the second clamping groove together form a first clamping space for installing the fuselage.

[0013] Furthermore, the support base includes a bottom plate and a vertical plate that are perpendicular to each other, the bottom of the vertical plate is fixed to the bottom plate, the fuselage clamp is installed on the vertical plate, the bottom plate is provided with a mounting block, and the mounting block is provided with a mounting groove that cooperates with the bottom of the fuselage.

[0014] Furthermore, the support base includes a triangular plate, which is fixed and perpendicular to the bottom plate and the vertical plate respectively.

[0015] Furthermore, the brush head fixing structure includes a first clamping plate, a second clamping plate and a hook, the hook is fixed to the top of the first clamping plate, the second clamping plate is detachably connected to the first clamping plate and forms a second clamping space for installing the brush head between the second clamping plate and the first clamping plate.

[0016] Furthermore, a third clamping groove cooperating with the brush head is provided on one side of the first clamping plate facing the second clamping plate, and a fourth clamping groove cooperating with the brush head is provided on one side of the second clamping plate facing the first clamping plate, and the third clamping groove and the fourth clamping groove together form a second clamping space for mounting the brush head;

[0017] And / or, the first clamping plate is provided with an avoidance hole for avoiding the brush area of ​​the brush head.

[0018] The beneficial effect of the present invention is that the sliding block is slidably installed on the fixed block and a first clamping space for installing the fuselage is formed between the sliding block and the fixed block, and then a driving structure is used to drive the sliding block to slide on the fixed block, so that the size of the first clamping space can be adjusted to facilitate clamping the fuselage or removing the fuselage from the fuselage fixing structure, thereby reducing the time for installing and disassembling the fuselage during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a frontal three-dimensional structural schematic diagram of the electric toothbrush head locking force testing device in the utility model.

[0020] Figure 2 It is a rear perspective structural diagram of the electric toothbrush head locking force testing device in the utility model.

[0021] Figure 3 The utility model is a schematic side view of the structure of the electric toothbrush head locking force testing device when the body clamp is loosened.

[0022] Figure 4 The utility model is a schematic side view of the structure of the electric toothbrush head locking force testing device when the body clamp is clamped.

[0023] Figure 5 It is a schematic diagram of the disassembled structure of the electric toothbrush head locking force testing device in the utility model.

[0024] In the figure: the body fixing structure 10, the supporting base 11, the bottom plate 111, the mounting block 111a, the mounting groove 111b, the vertical plate 112, the triangular plate 113, the body clamp 12, the fixing block 121, the guide rod 121a, the first clamping groove 121b, the sliding block 122, the sliding hole 122a, the linear bearing 122b, the second clamping groove 122c, the driving structure 123, the rotating handle 123a, the threaded rod 123b, the mounting plate 124, the threaded hole 124a, the brush head fixing structure 20, the first clamping plate 21, the third clamping groove 211, the avoidance hole 212, the second clamping plate 22, the fourth clamping groove 221, the hook 23, the electric toothbrush 30, the body 31, and the brush head 32. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following, in conjunction with the accompanying drawings and preferred embodiments, describes in detail the specific implementation, structure, features and effects of the electric toothbrush head locking force testing device proposed in the present invention:

[0026] Figure 1 It is a frontal three-dimensional structural schematic diagram of the electric toothbrush head locking force testing device in the utility model. Figure 2It is a rear perspective structural diagram of the electric toothbrush head locking force testing device in the utility model. Figure 3 The utility model is a schematic side view of the structure of the electric toothbrush head locking force testing device when the body clamp is loosened. Figure 4 The utility model is a schematic side view of the structure of the electric toothbrush head locking force testing device when the body clamp is clamped. Figure 5 It is a schematic diagram of the disassembled structure of the electric toothbrush head locking force testing device in the utility model.

[0027] like Figures 1 to 5 As shown, the utility model provides an electric toothbrush head locking force testing device, which includes a body fixing structure 10 and a brush head fixing structure 20. The body fixing structure 10 is used to fix the body 31 of the electric toothbrush 30, and the brush head fixing structure 20 is used to fix the brush head 32 of the electric toothbrush 30.

[0028] Among them, the fuselage fixing structure 10 includes a supporting base 11 and a fuselage clamp 12, the fuselage clamp 12 includes a fixed block 121, a sliding block 122 and a driving structure 123, the fixed block 121 is fixed to the supporting base 11, the sliding block 122 is slidably installed on the fixed block 121 and forms a first clamping space for installing the fuselage 31 between the fixed block 121, and the driving structure 123 is used to drive the sliding block 122 to slide on the fixed block 121 and adjust the size of the first clamping space.

[0029] In this application, a first clamping space for installing the fuselage 31 is formed between the sliding block 122 and the fixed block 121, and a driving structure 123 is used to drive the sliding block 122 to slide on the fixed block 121, so that the size of the first clamping space can be adjusted to facilitate clamping the fuselage 31 or removing the fuselage 31 from the fuselage fixing structure 10, thereby reducing the time for installing and disassembling the fuselage 31 during testing.

[0030] Furthermore, a guide rod 121a is provided on the fixed block 121, one end of the guide rod 121a is fixed to the fixed block 121, and a sliding hole 122a ( Figure 5 ), the sliding block 122 is mounted on the guide rod 121a through the sliding hole 122a and is able to slide on the guide rod 121a. The guide rod 121a extends horizontally, that is, perpendicular to the body 31 of the electric toothbrush 30. There are two guide rods 121a, one on each side of the first clamping space.

[0031] Furthermore, the fuselage fixture 12 includes a mounting plate 124 , one end of the guide rod 121 a away from the fixed block 121 is fixed to the mounting plate 124 , the sliding block 122 is located between the fixed block 121 and the mounting plate 124 , and the driving structure 123 is installed on the mounting plate 124 .

[0032] In this embodiment, the mounting plate 124 is provided with a threaded hole 124a. The driving structure 123 includes a rotating handle 123a and a threaded rod 123b that engages with the threaded hole 124a. One end of the threaded rod 123b is fixed to the rotating handle 123a, and the other end of the threaded rod 123b passes through the threaded hole 124a and is rotatably connected to the sliding block 122. Rotating the rotating handle 123a rotates the threaded rod 123b. Because the threaded rod 123b is threadedly engaged with the threaded hole 124a of the mounting plate 124, the rotation is converted into movement along the axis of the threaded rod 123b, thereby driving the sliding block 122 to slide on the guide rod 121a and adjust the size of the first clamping space. Of course, in other embodiments, the driving structure 123 may also be a telescopic cylinder or a telescopic oil cylinder.

[0033] Furthermore, the sliding block 122 is provided with a linear bearing 122b, which is installed in the sliding hole 122a and located between the inner wall of the sliding hole 122a and the guide rod 121a, thereby reducing the friction between the sliding block 122 and the guide rod 121a. Of course, in other embodiments, the linear bearing 122b can also be replaced by a washer to reduce costs.

[0034] Further, such as Figure 5 As shown, a first clamping groove 121b is provided on the side of the fixed block 121 facing the sliding block 122, which cooperates with the body 31. A second clamping groove 122c is provided on the side of the sliding block 122 facing the fixed block 121, which cooperates with the body 31. The first clamping groove 121b and the second clamping groove 122c together form a first clamping space for mounting the body 31. By providing the first clamping groove 121b and the second clamping groove 122c, the contact area between the body 31 of the electric toothbrush 30 and the fixed block 121 and the sliding block 122, respectively, can be increased, so that the fixed block 121 and the sliding block 122 can better clamp the body 31 of the electric toothbrush 30, preventing the body 31 from shaking during testing, thereby reducing test data errors.

[0035] In this embodiment, the support base 11 includes a bottom plate 111, a vertical plate 112, and a triangular plate 113, all of which are perpendicular to each other. Specifically, any two of the bottom plate 111, vertical plate 112, and triangular plate 113 are perpendicular to each other. The bottom of the vertical plate 112 is fixed to the bottom plate 111, which is fixed to the workbench. The fuselage fixture 12 is mounted on the vertical plate 112. The bottom plate 111 is provided with a mounting block 111a, which is provided with a mounting groove 111b that mates with the bottom of the fuselage 31. By providing the bottom plate 111, vertical plate 112, and triangular plate 113, and providing the mounting block 111a on the bottom plate 111, the stability of the fuselage fixing structure 10 can be increased, preventing the fuselage 31 from shaking during testing, thereby reducing test data errors.

[0036] In this embodiment, the brush head mounting structure 20 includes a first clamping plate 21, a second clamping plate 22, and a hook 23. The hook 23 is fixed to the top of the first clamping plate 21. The second clamping plate 22 is detachably connected to the first clamping plate 21 and forms a second clamping space for mounting the brush head 32 therebetween. The hook 23 is used to connect the force gauge. Compared to existing technologies that use a telescopic connection to the force gauge, this avoids the problem of tilting between the force gauge and the electric toothbrush 30, ensuring that the tension and the electric toothbrush 30 are aligned, thereby reducing test data errors.

[0037] Furthermore, a third clamping groove 211 is provided on the side of the first clamping plate 21 facing the second clamping plate 22, which cooperates with the brush head 32. A fourth clamping groove 221 is provided on the side of the second clamping plate 22 facing the first clamping plate 21, which cooperates with the brush head 32. The third clamping groove 211 and the fourth clamping groove 221 together form a second clamping space for mounting the brush head 32. By providing the third clamping groove 211 and the fourth clamping groove 221, the contact area between the brush head 32 of the electric toothbrush 30 and the first clamping plate 21 and the second clamping plate 22, respectively, can be increased, so that the first clamping plate 21 and the second clamping plate 22 can better clamp the brush head 32 of the electric toothbrush 30, preventing the brush head 32 from shaking during testing, thereby reducing test data errors.

[0038] Furthermore, the first clamping plate 21 is provided with an avoidance hole 212 for avoiding the brush area of ​​the brush head 32, so that during testing, the brush area of ​​the brush head 32 can be placed in the avoidance hole 212, reducing the thickness of the brush head fixing structure 20.

[0039] The use process of the electric toothbrush head locking force test device is as follows:

[0040] refer to Figure 3 and Figure 4 By rotating the rotary handle 123a and the threaded rod 123b, the sliding block 122 is driven to slide on the guide rod 121a, expanding the first clamping space and placing the body 31 of the electric toothbrush 30 into the first clamping space. The rotary handle 123a is then rotated in the opposite direction, driving the sliding block 122 to slide in the opposite direction on the guide rod 121a, reducing the first clamping space. This allows the sliding block 122 and the fixed block 121 to clamp the body 31 of the electric toothbrush 30. The brush head 32 of the electric toothbrush 30 is placed into the second clamping space between the first clamping plate 21 and the second clamping plate 22. The first and second clamping plates 21 and 22 are then secured together with bolts, clamping the brush head 32 of the electric toothbrush 30 in the second clamping space. The hook of the tensile gauge is hooked onto the hook 23, and the tensile gauge is pulled upward until the brush head 32 separates from the body 31, thereby testing the locking force of the electric toothbrush head.

[0041] In this document, directional terms such as "up," "down," "left," "right," "front," and "back" are defined based on the positions of structures in the accompanying drawings and their relative positions to each other, for the sake of clarity and convenience in presenting the technical solution. It should be understood that the use of these directional terms does not limit the scope of protection claimed in this application. It should also be understood that the terms "first" and "second," etc., used herein, are used solely for distinctions and are not intended to limit quantity or order.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to the technical content disclosed above without departing from the scope of the technical solution of the present invention, which are equivalent embodiments of equivalent changes. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A device for testing the locking force of an electric toothbrush head, characterized in that: It comprises a body fixing structure (10) and a brush head fixing structure (20), wherein the body fixing structure (10) is used to fix the body (31) of the electric toothbrush (30), and the brush head fixing structure (20) is used to fix the brush head (32) of the electric toothbrush (30); The fuselage fixing structure (10) comprises a supporting base (11) and a fuselage clamp (12); the fuselage clamp (12) comprises a fixed block (121), a sliding block (122) and a driving structure (123); the fixed block (121) is fixed to the supporting base (11); the sliding block (122) is slidably mounted on the fixed block (121) and forms a first clamping space for mounting the fuselage (31) between the sliding block (122) and the fixed block (121); the driving structure (123) is used to drive the sliding block (122) to slide on the fixed block (121) and adjust the size of the first clamping space.

2. The electric toothbrush head locking force testing device according to claim 1, characterized in that: The fixed block (121) is provided with a guide rod (121a), one end of the guide rod (121a) is fixed to the fixed block (121), and the sliding block (122) is provided with a sliding hole (122a) that matches the guide rod (121a). The sliding block (122) is installed on the guide rod (121a) through the sliding hole (122a) and can slide on the guide rod (121a).

3. The electric toothbrush head locking force testing device according to claim 2, characterized in that: The fuselage clamp (12) includes a mounting plate (124), one end of the guide rod (121a) away from the fixed block (121) is fixed to the mounting plate (124), the sliding block (122) is located between the fixed block (121) and the mounting plate (124), and the driving structure (123) is installed on the mounting plate (124).

4. The electric toothbrush head locking force testing device according to claim 3, characterized in that: A threaded hole (124a) is provided on the mounting plate (124), and the driving structure (123) includes a rotating handle (123a) and a threaded rod (123b) matched with the threaded hole (124a), one end of the threaded rod (123b) is fixed to the rotating handle (123a), and the other end of the threaded rod (123b) passes through the threaded hole (124a) and is rotatably connected to the sliding block (122).

5. The electric toothbrush head locking force testing device according to claim 2, characterized in that: The sliding block (122) is provided with a linear bearing (122b), and the linear bearing (122b) is installed in the sliding hole (122a) and is located between the inner wall of the sliding hole (122a) and the guide rod (121a).

6. The electric toothbrush head locking force testing device according to claim 1, characterized in that: The fixed block (121) is provided with a first clamping groove (121b) on a side facing the sliding block (122) and matched with the fuselage (31); the sliding block (122) is provided with a second clamping groove (122c) on a side facing the fixed block (121) and matched with the fuselage (31); the first clamping groove (121b) and the second clamping groove (122c) together form a first clamping space for installing the fuselage (31).

7. The electric toothbrush head locking force testing device according to any one of claims 1 to 6, characterized in that: The support base (11) comprises a bottom plate (111) and a vertical plate (112) perpendicular to each other, the bottom of the vertical plate (112) is fixed to the bottom plate (111), the fuselage clamp (12) is mounted on the vertical plate (112), the bottom plate (111) is provided with a mounting block (111a), and the mounting block (111a) is provided with a mounting groove (111b) that matches the bottom of the fuselage (31).

8. The electric toothbrush head locking force testing device according to claim 7, characterized in that: The support base (11) comprises a triangular plate (113), and the triangular plate (113) is respectively fixed to and perpendicular to the bottom plate (111) and the vertical plate (112).

9. The electric toothbrush head locking force testing device according to any one of claims 1 to 6, characterized in that: The brush head fixing structure (20) comprises a first clamping plate (21), a second clamping plate (22) and a hook (23), wherein the hook (23) is fixed to the top of the first clamping plate (21), and the second clamping plate (22) is detachably connected to the first clamping plate (21) and forms a second clamping space for mounting the brush head (32) between the second clamping plate (22) and the first clamping plate (21).

10. The electric toothbrush head locking force testing device according to claim 9, characterized in that: A third clamping groove (211) is provided on one side of the first clamping plate (21) facing the second clamping plate (22) and is matched with the brush head (32); a fourth clamping groove (221) is provided on one side of the second clamping plate (22) facing the first clamping plate (21) and is matched with the brush head (32); the third clamping groove (211) and the fourth clamping groove (221) together form a second clamping space for mounting the brush head (32); And / or, the first clamping plate (21) is provided with an avoidance hole (212) for avoiding the brush area of ​​the brush head (32).

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