CN212620611U - Device for testing swing amplitude of electric toothbrush by laser - Google Patents
Device for testing swing amplitude of electric toothbrush by laser Download PDFInfo
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- CN212620611U CN212620611U CN202021514763.5U CN202021514763U CN212620611U CN 212620611 U CN212620611 U CN 212620611U CN 202021514763 U CN202021514763 U CN 202021514763U CN 212620611 U CN212620611 U CN 212620611U
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- electric toothbrush
- laser
- toothed plate
- testing
- swing
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Abstract
The utility model relates to a device of laser survey electric toothbrush amplitude of oscillation, the device still includes laser emitter, reflection lens fixes on the fast swing measurand, laser emitter is towards reflection lens, and its light that jets out forms a facula through reflection lens reflection and on wall far away, reflection lens is along with the measurand fast swing together, and the facula removes on wall far away, forms a light. Reasonable in design, simple structure can the accurate measurement be surveyed the swing amplitude of object.
Description
Technical Field
The utility model relates to a swing testing arrangement, concretely relates to device of laser test electric toothbrush swing.
Background
The amplitude of oscillation of the acoustic wave electric toothbrush is generally only +/-4-7 degrees, and direct measurement is difficult.
Disclosure of Invention
The utility model provides a device of laser test electric toothbrush amplitude of oscillation.
The technical scheme of the utility model:
the device for testing the swing amplitude of the electric toothbrush by using the laser is characterized by further comprising a laser emitting device, a reflecting lens and a receiving surface, wherein the reflecting lens is fixed on a rapidly-swinging tested object, the laser emitting device faces the reflecting lens, and the receiving surface is arranged at a far position; the light emitted by the laser emitting device is reflected by the reflecting lens and forms a light spot on the receiving surface, the reflecting lens swings fast along with the measured object, and the light spot moves on the receiving surface to form a light ray; the light spot formed by the reflected light vertical to the receiving surface is positioned at the midpoint of the light ray; preferably, the laser emitting device is a laser lamp.
Before starting the measured object, firstly rotating the whole device to enable initial reflected light to be vertical to a wall surface, measuring the distance d between a reflection point and the wall surface (the shortest distance d is vertical), starting the measured object, rapidly swinging the measured object to drive a reflection lens to swing, wherein the measured length of light is L, the swing amplitude to be measured is the swing angle theta of the reflection lens, and according to the light principle, the included angle formed by the reflected light and the initial light is 2 theta; according to the theorem relating to right triangles: the tan2 theta = L/2/d, theta = arctan (L/2/d)/2, theta, namely the amplitude to be measured, can be obtained; the distance d is larger, the length L of the light formed by the tiny swing amplitude theta is longer, and the measurement precision is improved.
The device also comprises a bottom plate, the laser emitting device is arranged on the bottom plate, and the measured object is fixed on the bottom plate.
The object to be measured is an electric toothbrush; the device also comprises an artificial toothed plate, the artificial toothed plate is arranged on the bottom plate and is opposite to the electric toothbrush, the electric toothbrush is started, a brush head of the electric toothbrush rapidly swings, and the artificial toothed plate is brushed; the actual tooth brushing process is simulated by designing the simulation toothed plate; the reflection lens is fixed on the back of the brush head of the electric toothbrush.
The measured object is a sound wave motor with a brush head; the device also comprises an artificial toothed plate, wherein the artificial toothed plate is arranged on the bottom plate and is opposite to the sound wave motor with the brush head, the sound wave motor is started, the brush head rapidly swings, and the artificial toothed plate is brushed; the reflector plate is fixed on the back of the brush head.
The bottom plate is vertically and fixedly connected with a toothed plate mounting bracket, two sliding rods are fixedly mounted on the toothed plate mounting bracket, sliding blocks are sleeved on the sliding rods in a one-to-one correspondence mode, the sliding blocks are connected with the sliding rods in a sliding fit mode, a fixed block is arranged between the two sliding blocks, the fixed block is respectively and fixedly connected with the two sliding blocks, the simulated toothed plate is fixedly connected onto the fixed block, the bottom plate is also fixedly provided with pulleys, pull ropes are wound on the pulleys, one end of each pull rope is connected with the fixed block, and the other end of each pull rope; under the self weight of the weight, the fixed block is pulled by the pull rope, and the fixed block drives the simulation toothed plate to be close to the electric toothbrush to apply a load to the electric toothbrush; the tail end of the sliding rod is provided with a ring bulge to form the limit of the simulation toothed plate; maximally simulating actual tooth brushing; the acting force can be accurately controlled through the weight; preferably, the laser emitting device is staggered with the load device, so that the load device is prevented from blocking light.
Supporting legs are respectively installed at four corners of the bottom plate.
The utility model has the advantages of reasonable design, simple structure and accurate measurement of the swing amplitude of the brush head of the electric toothbrush.
Drawings
Fig. 1 is a perspective view of a device for laser testing the swing of an electric toothbrush.
Fig. 2 is a top view of the device for laser testing the swing of the electric toothbrush.
Fig. 3 is a light ray diagram.
In the figure, a bottom plate 1, a simulated toothed plate 2, an electric toothbrush 3, a laser emission device 4, a reflection lens 5, a far wall surface 6, a toothed plate mounting bracket 7, a sliding rod 8, a sliding block 9, a fixed block 10, a pulley 11, a pull rope 12, a weight 13 and supporting legs 14 are arranged.
Detailed Description
As shown in fig. 1-2, a device for testing the swing amplitude of an electric toothbrush by using laser comprises a bottom plate 1, an artificial toothed plate 2, a laser emitting device 4, a reflection lens 5 and a far wall surface 6, wherein the bottom plate 1 is vertically and fixedly connected with a toothed plate mounting bracket 7, two sliding rods 8 are fixedly mounted on the toothed plate mounting bracket 7, sliding blocks 9 are sleeved on the sliding rods 8 in a one-to-one correspondence manner, the sliding blocks 9 are connected with the sliding rods 8 in a sliding fit manner, a fixed block 10 is arranged between the two sliding blocks 9, the fixed block 10 is respectively and fixedly connected with the two sliding blocks 9, the artificial toothed plate 2 is fixedly connected with the fixed block 10, a pulley 11 is further fixedly mounted on the bottom plate 1, a pull rope 12 is wound on the pulley 11, one end of the pull rope 12 is connected; the tail end of the sliding rod 8 is provided with a ring bulge to form the limit of the simulation toothed plate 2; the electric toothbrush 3 is fixed on the bottom plate 1 and is opposite to the simulated toothed plate 2, the electric toothbrush 3 is started, a brush head of the electric toothbrush swings, and the simulated toothed plate 2 is brushed; the laser emitting device 4 is fixedly arranged on the bottom plate 1, the reflecting lens 5 is fixed on the back surface of the brush head of the electric toothbrush 3, the laser emitting device 4 faces the reflecting lens 5, the light emitted by the laser emitting device is reflected by the reflecting lens 5 and forms a light spot on a far wall surface 6, the reflecting lens 5 swings along with the brush head, and the light spot moves in the horizontal direction to form a light ray; supporting legs 14 are respectively installed at four corners of the bottom plate 1.
The light of the device is shown in figure 3 when in use.
The above disclosure is only for the preferred embodiment of the present invention, but not intended to limit itself, and any changes and modifications made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The device for testing the swing amplitude of the electric toothbrush by using the laser is characterized by further comprising a laser emitting device, a reflecting lens and a receiving surface, wherein the reflecting lens is fixed on a rapidly-swinging tested object, the laser emitting device faces the reflecting lens, and the receiving surface is arranged at a far position; the light emitted by the laser emitting device is reflected by the reflecting lens and forms a light spot on the receiving surface, the reflecting lens swings fast along with the measured object, and the light spot moves on the receiving surface to form a light ray; the spot of reflected light perpendicular to the receiving surface is located at the midpoint of the ray.
2. The apparatus according to claim 1, wherein the receiving surface is a wall surface.
3. The apparatus for testing the swing of the electric toothbrush by using the laser according to claim 1, further comprising a base plate, wherein the laser emitting device is fixedly installed on the base plate, and the object to be tested is fixed on the base plate.
4. The apparatus for laser testing electric toothbrush amplitude according to claim 3, wherein the object to be tested is an electric toothbrush; the device also comprises an artificial toothed plate, the artificial toothed plate is arranged on the bottom plate and is opposite to the electric toothbrush, the electric toothbrush is started, a brush head of the electric toothbrush rapidly swings, and the artificial toothed plate is brushed; the reflection lens is fixed on the back of the brush head of the electric toothbrush.
5. The device for testing the swing of the electric toothbrush by using the laser as claimed in claim 3, wherein the object to be tested is a sonic motor with a brush head; the device also comprises an artificial toothed plate, wherein the artificial toothed plate is arranged on the bottom plate and is opposite to the sound wave motor with the brush head, the sound wave motor is started, the brush head rapidly swings, and the artificial toothed plate is brushed; the reflector plate is fixed on the back of the brush head.
6. The device for testing the swing of the electric toothbrush by using the laser according to claim 4 or 5, wherein a toothed plate mounting bracket is vertically and fixedly connected to the bottom plate, two sliding rods are fixedly mounted on the toothed plate mounting bracket, sliding blocks are sleeved on the sliding rods in a one-to-one correspondence manner, the sliding blocks are connected with the sliding rods in a sliding fit manner, a fixed block is arranged between the two sliding blocks, the fixed block is respectively and fixedly connected with the two sliding blocks, the artificial toothed plate is fixedly connected to the fixed block, the bottom plate is also fixedly mounted with pulleys, a pull rope is wound on the pulleys, one end of the pull rope is connected with the fixed block, and the other end of the; under the self weight of the weight, the fixed block is pulled by the pull rope, and the fixed block drives the simulation toothed plate to be close to the electric toothbrush to apply a load to the electric toothbrush; the tail end of the sliding rod is provided with a ring bulge to form the limit of the simulation toothed plate.
7. The apparatus for testing the swing of the electric toothbrush by using laser as claimed in claim 3, wherein the four corners of the bottom plate are respectively provided with a supporting foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514763.5U CN212620611U (en) | 2020-07-28 | 2020-07-28 | Device for testing swing amplitude of electric toothbrush by laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021514763.5U CN212620611U (en) | 2020-07-28 | 2020-07-28 | Device for testing swing amplitude of electric toothbrush by laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212620611U true CN212620611U (en) | 2021-02-26 |
Family
ID=74729581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021514763.5U Active CN212620611U (en) | 2020-07-28 | 2020-07-28 | Device for testing swing amplitude of electric toothbrush by laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212620611U (en) |
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2020
- 2020-07-28 CN CN202021514763.5U patent/CN212620611U/en active Active
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