CN102949001A - Toothbrush capable of automatically controlling tooth brushing pressure - Google Patents
Toothbrush capable of automatically controlling tooth brushing pressure Download PDFInfo
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- CN102949001A CN102949001A CN2011102490533A CN201110249053A CN102949001A CN 102949001 A CN102949001 A CN 102949001A CN 2011102490533 A CN2011102490533 A CN 2011102490533A CN 201110249053 A CN201110249053 A CN 201110249053A CN 102949001 A CN102949001 A CN 102949001A
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Abstract
A toothbrush capable of automatically controlling tooth brushing pressure is characterized in that a supporting beam (50) and turning beam (6) are arranged in a neck (30) area. The turning beam (60) is of an elastic turning structure. When bearing tooth brushing torque, the turning beam has normal supporting capacity since the tooth brushing pressure is not higher than an allowable maximum value; since the tooth brushing pressure exceeds the allowable maximum value, the supporting capacity of the turning beam (60) can be weakened suddenly. The toothbrush has an effect of controlling tooth brushing pressure within a safety range so as to prevent over-high pressure from hurting gum and teeth.
Description
Technical field
The present invention relates to a kind of articles for use of cleaning teeth, particularly a kind of toothbrush.This toothbrush has the ability of automatic control toothbrushing force, that is: when toothbrushing force surpassed the maximum that allows, toothbrush can automatically be reduced to toothbrushing force below the maximum of permission.
Background technology
Bacterial plaque be cause decaying tooth, the principal element of the multiple dental disorder such as periodontitis, loss of tooth.With the bacterial plaque on the method removing dental surface of brushing teeth, to keeping dental health most important.When brushing teeth, need to apply enough large pressure on toothbrush bristle, could remove the bacterial plaque on the dental surface clean.Studies show that, applied pressure is not to be the bigger the better.After applied pressure reaches certain numerical value, apply larger pressure, can not bring better cleaning effect.On the other hand, excessive toothbrushing force can damage gum and enamel.Therefore, toothbrushing force need to be controlled in the suitable scope.
Determine suitable pressure limit, just need to determine the maximum toothbrushing force value of permission.At first, it is safe brushing teeth below the maximum that allows.If toothbrushing force surpasses the maximum that allows, then might damage gum or enamel.Secondly, the maximum of permission should be enough large, and making brushes teeth can remove bacterial plaque as much as possible.
For the maximum of determining to allow, there are a lot of correlative factors to need to consider.The soft durometer of the shape of the bristle of toothbrush and distribution, bristle, the material of bristle, even user's force method all affects size and the mode of the active force that bristle applies gum and tooth.Therefore, need the combined influence effect of research all of these factors taken together, the maximum that aptitude test goes out to allow.Toothbrush with different bristle configurations, the maximum of its permission are often different.Therefore, need to be the definite maximum that is fit to its permission of every kind of toothbrush.
After the maximum of the permission that tests out certain toothbrush, how to allow the user that toothbrushing force is controlled in the maximum of permission? multiple solution is disclosed.Chinese patent CN01801827.0 discloses a kind of toothbrush, and when toothbrushing force surpassed the maximum of its permission, this toothbrush can send the sound, reduces toothbrushing force with reminding user.This toothbrush can avoid excessive toothbrushing force that gum and tooth are caused damage, but still has weak point: one, send the sound from toothbrush, reacting to the user alleviates toothbrushing force, usually needs a period of time (one to the several seconds).During this period of time, bristle is still using excessive compression shock gum and tooth.This may damage.Two, need user oneself to regulate the dynamics of brushing teeth, just can alleviate toothbrushing force, this makes troubles.
Chinese patent CN00803222.X discloses a kind of toothbrush, and when toothbrushing force surpassed the maximum of its permission, some position of this toothbrush can change color, and perhaps blinking light alleviates toothbrushing force with this reminding user.A distinct disadvantage of this toothbrush is: when brushing teeth, observe unless the user fastens one's eyes on some position of brush body, otherwise the user tends to ignore this optics alarm signal, continues to brush teeth with excessive pressure.
In addition, the disclosed toothbrush of US Patent No. 7281289 and US5355544, when toothbrushing force surpassed the maximum of its permission, the neck of toothbrush is upset suddenly, departed from gum and tooth thereby drive head toothbrushes.These two kinds of toothbrushes can " immediately " stop excessive toothbrushing force to the harm of gum and tooth.Its weak point is, the toothbrush after the upset can not automatically restore to normal condition, needs the user manually to help it to recover, and this will make the process of brushing teeth become off and on.
Here to mention especially US Patent No. 5146645 and Chinese patent CN03817737.
US Patent No. 5146645 discloses a kind of toothbrush.It is provided with two crossbeams separated from one another at the neck of toothbrush.Wherein, be configured to domes near the crossbeam of the toothbrush back side one side, roughly along the longitudinal extension of toothbrush handle.Its disclosed application documents claim, when toothbrushing force does not surpass the maximum that allows, these two crossbeams will provide enough enabling capabilities, normally brush teeth to support the user.When toothbrushing force surpasses the maximum that allows, have suddenly (to the direction of another crossbeam) bending of crossbeam of domes, cause the enabling capabilities of toothbrush stem to weaken suddenly, toothbrushing force reduces rapidly.But the inventor studies rear discovery, and when brushing teeth, this crossbeam with domes will bear (the sensing toothbrush back side one side) extruding force, and another crossbeam will bear (pointing to respectively on toothbrush head and the afterbody both direction) pulling force.Under this mechanical structure, this crossbeam with domes or can not (to the direction of another crossbeam) bending, or gradually (to the direction of another crossbeam) bending.These two kinds of results can not cause the enabling capabilities of toothbrush stem to weaken.This means, even toothbrushing force surpasses the maximum that allows, the action of brushing teeth still can be proceeded.
The disclosed toothbrush of Chinese patent CN03817737 has the parts of a uniqueness----have a metallic spring of arc-shaped cross-section.Spring leaf with arc-shaped cross-section has following mechanical characteristic: when bearing from the torsion on its longitudinal central axis face direction, if torsion does not surpass its acrotorque that can bear, then spring leaf will keep normal enabling capabilities.If distorting stress surpasses its acrotorque that can bear, then the enabling capabilities of spring leaf can weaken suddenly.Patent CN03817737 arranges the metallic spring with arc-shaped cross-section in the handle of toothbrush, make toothbrush handle have such function: if toothbrushing force does not surpass the maximum that allows, then the metallic spring in the toothbrush handle will keep normal enabling capabilities.At this moment, toothbrush handle has normal enabling capabilities, and the user can normally brush teeth.In case toothbrushing force surpasses the maximum that allows, then the enabling capabilities of the metallic spring in the toothbrush handle can weaken suddenly, causes the enabling capabilities of toothbrush handle to weaken suddenly, and toothbrushing force is reduced to rapidly below the maximum of permission.At this moment, metallic spring will recover normal enabling capabilities, toothbrush handle thereby obtain normal enabling capabilities, and the user can normally brush teeth.
The disclosed toothbrush of patent CN03817737 can automatically be controlled at toothbrushing force in the maximum of permission, is a kind of preferably technical scheme.But this toothbrush still has weak point: one, the thickness of the spring leaf of this toothbrush employing must be quite thin.The edge sharp-pointed for fear of spring leaf damages the user, and spring leaf must be covered by in other material.Simultaneously, the material that coats spring leaf must be quite soft, otherwise clad material will stop the spring leaf bending, make the spring leaf loss of function.When may allowing the user touch, too soft clad material produces discomfort.Two, toothbrush handle be applied in the torsion rightabout of brushing teeth on pressure the time, be easy to bending.The enabling capabilities of handle on this direction is very weak, and this may allow the user uncomfortable.
Summary of the invention
Purpose of the present invention is to provide a kind of toothbrush that can automatically control toothbrushing force, that is: when toothbrushing force surpassed the maximum that allows, this toothbrush can be reduced to toothbrushing force below the maximum of permission automatically.And the present invention can partly overcome the shortcoming of above-mentioned prior art scheme at least.
The object of the present invention is achieved like this:
A kind of toothbrush comprises a handle (20), a brush (40) and a thinner neck (30).The upper end (31) of neck (30) is connected with brush (40), and its lower end (32) are connected with handle (20).The cleaning elements such as bristle tuft (70) are fixed on the carrying basal plane (41) of brush (40).It is characterized in that:
At neck area, brace summer (50) is set, an end of brace summer (50) is connected with neck upper end (31), and the other end of brace summer (50) is connected with neck lower end (32); At neck area, flip beam (60) is set, an end of flip beam (60) is connected with neck upper end (31), and the other end of flip beam (60) is connected with neck lower end (32); Brace summer (50) is separated from each other with flip beam (60), and keeps suitable distance; Brace summer (50) is arranged on the front side of flip beam (60); Brace summer (50) has suitable elasticity, makes it when bearing the torsion of brushing teeth, and can produce default deformation, and behind the torsion that releasing is brushed teeth, can restore to the original state voluntarily; Flip beam (60) has the elastic overturning structure, makes it have following function when bearing the torsion of brushing teeth: when toothbrushing force did not surpass the maximum that allows, flip beam (60) had normal enabling capabilities; When toothbrushing force surpassed the maximum that allows, the enabling capabilities of flip beam (60) can weaken suddenly.
This paper agreement, " torsion of brushing teeth " refers to: when brushing teeth, the torsion that handle (20) and brush (40) apply neck (30).
This paper agreement: take the basal plane (41) of toothbrush head (40) upper carrying bristle tuft (70) as object of reference, a side at the free end place of bristle tuft (70) is referred to as " front side " of toothbrush.
Flip beam (60) has the elastic overturning structure of plurality of optional.In one embodiment of the invention, flip beam (60) comprises the first spring leaf (61) and the second spring leaf (62) at least; Vertical side of the first spring leaf (61) and a vertical side of the second spring leaf (62) are connected to each other; The first spring leaf (61) and the second spring leaf (62) have suitable shape, length, width and thickness, and keep each other suitable angle.
In certain embodiments of the present invention, flip beam (60) also comprises the 3rd spring leaf (63); Vertical side of the 3rd spring leaf (63) and the vertical side of freedom of the first spring leaf (61) are connected to each other; The 3rd spring leaf (63) has suitable shape, length, width and thickness, and keeps each other suitable angle with the first spring leaf (61).
In other embodiment of the present invention, among the first spring leaf (61) or the second spring leaf (62) or the 3rd spring leaf (63), have at least a spring leaf to have curved cross section.
In one embodiment of the invention, flip beam (60) comprises the first spring leaf (61) at least; The first spring leaf (61) has curved cross section.
In certain embodiments of the present invention, flip beam (60) comprises the first spring leaf (61) at least; The first spring leaf (61) has the cross section that is closed circular.
This have a cross section spring leaf (61) that is closed circular, looks like in appearance the pipe of a hollow.It has multiple alternative shape of cross section, such as annulus, elliptical ring etc.An advantage of flip beam in a tubular form (60) is that it more easily cleans.
When bearing the torsion of brushing teeth, the position of spring leaf thinner thickness is more flexible, and has preferably anti-fatigue ability.Therefore, can construct some position of spring leaf thinner.When spring leaf bends because bearing the torsion of brushing teeth, its zone that bends will be limited in the lower thickness regions.Can increase like this ability of spring leaf antifatigue.
For example, in one embodiment of the invention, the first spring leaf (61) and (or) the second spring leaf (62) and (or) have lower thickness regions (61A) on the 3rd spring leaf (63).Spring leaf is at the thickness of lower thickness regions (61A), than the thinner thickness of spring leaf at other positions.
In one embodiment of the invention, the first spring leaf (61) and (or) the second spring leaf (62) and (or) the 3rd spring leaf (63) has curved edge (61D).When flip beam (60) bore the torsion of brushing teeth and bends, the region, middle part of curved edge (61D) was more flexible.The Position Control that flip beam (60) can be bent whereby, is at the near middle of curved edge (61D).
In one embodiment of the invention, brace summer (50) has lower thickness regions (50A).Brace summer (50) is at the thickness of lower thickness regions (50A), than the thinner thickness of brace summer (50) at other positions.In another embodiment of the present invention, part brace summer (50) has wavy structure (50B).Above-mentioned two schemes all helps to increase the elasticity of brace summer (50).
In certain embodiments of the present invention, the length of the length of brace summer (50) and flip beam (60) about equally.But in some embodiments of the invention, the length of the Length Ratio flip beam (60) of brace summer (50) is longer.And in other embodiment of the present invention, the length of the Length Ratio brace summer (50) of flip beam (60) is longer.
In one embodiment of the invention, in neck (30) zone, sleeve pipe (33) is set, an end of sleeve pipe (33) is connected with neck upper end (31), and the other end of sleeve pipe (33) is connected with neck lower end (32); Sleeve pipe (33) softness and high resilience; Brace summer (50) and flip beam (60) are enclosed in the sleeve pipe (33).
Neck (30) zone that sleeve pipe (33) makes toothbrush is set to be convenient to clean.
Brace summer (50) can adopt identical material manufacturing with flip beam (60), also can adopt respectively different material manufacturings.Usually, preferably some has the thermoplastic of stronger anti-fatigue ability, make brace summer (50) and the first spring leaf (61), the second spring leaf (62) and the 3rd spring leaf (63) such as polypropylene (PP), polyethylene (PE), copolyester (PETG) etc., and make brace summer (50) and the first spring leaf (61), the second spring leaf (62) and the 3rd spring leaf (63) have suitable shape, length, width and thickness.Like this, brace summer (50) and the first spring leaf (61), the second spring leaf (62) and the 3rd spring leaf (63) will have suitable elasticity, make it when bearing the torsion of brushing teeth, can produce default deformation, and behind the torsion that releasing is brushed teeth, can restore to the original state voluntarily.
The torsion of brushing teeth that toothbrush stem (30) is born is shared by brace summer (50) and flip beam (60).Flip beam (60) has following function when bearing the torsion of brushing teeth: when the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, flip beam (60) had normal enabling capabilities; When the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, the enabling capabilities of flip beam (60) can weaken suddenly.
The acrotorque that flip beam (60) can bear is determined jointly by following factor: shape, length, width and the thickness of the first spring leaf (61), the second spring leaf (62) and the 3rd spring leaf (63), and the angle between them, and material and the technique of making them.
Therefore, need only determine suitable shape, length, width and thickness for the first spring leaf (61), the second spring leaf (62) and the 3rd spring leaf (63), and the angle between definite spring leaf, and determine to make their material and technique, just can be the default acrotorque that it can bear of flip beam (60).
Usually, need to be to the shape of toothbrush bristle and distribution, the soft durometer of bristle, the material of bristle, and user's the factors such as force method analyze, test, and are the maximum toothbrushing force value of a permission of embodiment 1 configuration whereby.If toothbrushing force does not surpass the maximum that allows, then can guarantee effectively to remove bacterial plaque under the safe prerequisite.If toothbrushing force surpasses the maximum that allows, then might damage gum or enamel.
Determine according to preceding method after the maximum of permission of toothbrushing force of embodiment 1, need to be brace summer (50), the first spring leaf (61) and the second spring leaf (62) are determined suitable shape, length, width, thickness and angle, and the manufactured materials and the technique that adopt, so that the common twin-spar construction that consists of of brace summer (50) and flip beam (60) can satisfy following condition: when toothbrushing force does not surpass the maximum that allows, in the common twin-spar construction that consists of of brace summer (50) and flip beam (60), be assigned to the torsion on the flip beam (60), its size does not reach the default acrotorque that can bear of flip beam (60); When toothbrushing force reaches the maximum of permission, in the common twin-spar construction that consists of of brace summer (50) and flip beam (60), be assigned to the torsion on the flip beam (60), its size just reaches the default acrotorque that can bear of flip beam (60).
Untapped the time, the toothbrush of embodiment 1 is in normal condition, and the common twin-spar construction that consists of of brace summer (50) and flip beam (60) has normal enabling capabilities.At this moment, from pressure on any direction, appropriateness, all can not make brace summer (50) and flip beam (60) bending.Toothbrush all has preferably enabling capabilities on all directions.
When in use, when toothbrushing force does not surpass the maximum that allows, be assigned to the torsion on the flip beam (60), its size does not reach the default acrotorque that can bear of flip beam (60), and flip beam this moment (60) has normal enabling capabilities.The common twin-spar construction that consists of of brace summer (50) and flip beam (60) can provide enough support forces, normally brushes teeth to support the user.
When in use, when toothbrushing force surpasses the maximum that allows, be assigned to the torsion on the flip beam (60), its size surpasses the default acrotorque that can bear of flip beam (60), the enabling capabilities of flip beam (60) can weaken suddenly, causes thus flip beam (60) and brace summer (50) abrupt bend.The toothbrushing force that is applied on the brush (40) is reduced to rapidly below the maximum of permission.At this moment, be assigned to the torsion on the flip beam (60), its size is reduced to below the default acrotorque that can bear of flip beam (60).Flip beam (60) recovers normal enabling capabilities.Flip beam (60) and brace summer (50) restore to the original state voluntarily.Toothbrush handle recovers normal enabling capabilities, and the user can normally brush teeth.
Can adopt now the technique of published manufacturing toothbrush to make toothbrush disclosed by the invention.The parts such as the handle of toothbrush (20), brush (40) and neck (30) adopt the Shooting Technique manufacturing usually.Sometimes, also need to adopt Shooting Technique, thermoplastic elastomer (TPE) (21) is fixed on some position on the toothbrush handle (20), form the grip area with comfortable sense of touch at handle whereby.In addition, also need the cleaning elements such as bristle tuft (70) are fixed on the brush (40).These all are self-evident.
A preferred fabrication scheme is, adopt Shooting Technique, brace summer (50) and the parts such as handle (20), brush (40) and neck (30) are done as a whole manufacturing (parts 1), flip beam (60) is done separately as a whole manufacturing (parts 2).Then, use ultrasonic welding process, parts 1 and parts 2 are welded into an integral body.
As can be seen from the above description, toothbrush disclosed by the invention can automatically be controlled at toothbrushing force below the maximum of permission.It is automatically monitored, automatically controls toothbrushing force, and need not user oneself and regulate the dynamics of brushing teeth, thereby very convenient to use.After toothbrushing force was reduced to normal range (NR), it can return to rapidly normal condition, continue to use for the user, thereby the continuous process of brushing teeth can not interrupted substantially.Therefore, the present invention has overcome the shortcoming of aforementioned prior art scheme at least in part.
Below in conjunction with embodiments of the invention, further specify technical characterictic of the present invention.
Description of drawings
Fig. 1 is the perspective view of embodiments of the invention 1, shows toothbrush when not being used, the state that embodiment 1 presents.
Figure 1A is the enlarged drawing of the toothbrush stem among Fig. 1.
Figure 1A 1 is the decomposing schematic representation of the toothbrush stem among Figure 1A, shows the detailed structure of toothbrush stem.
Figure 1A 2, Figure 1A 3 are respectively the profiles that obtains along A-A and A1-A1 plane in Figure 1A.
Fig. 2 is the perspective view of embodiments of the invention 1, shows when toothbrushing force surpasses the maximum that allows the state that presents when toothbrush stem bends.
Fig. 2 A is the enlarged drawing of the toothbrush stem among Fig. 2.
Fig. 2 A1 is the decomposing schematic representation of the toothbrush stem among Fig. 2 A, shows the detailed structure of toothbrush stem.
Fig. 3 is the perspective view of the toothbrush stem of embodiments of the invention 2, shows toothbrush when not being used, the state that toothbrush stem presents.
Fig. 3 A is the decomposing schematic representation of the toothbrush stem among Fig. 3, shows the detailed structure of toothbrush stem.
Fig. 3 A1, Fig. 3 A2 are respectively the profiles that obtains along B-B and B1-B1 plane in Fig. 3.
Fig. 4 is the perspective view of the toothbrush stem of embodiments of the invention 3, shows toothbrush when not being used, the state that toothbrush stem presents.
Fig. 4 A is the decomposing schematic representation of the toothbrush stem among Fig. 4, shows the detailed structure of toothbrush stem.
Fig. 4 A1, Fig. 4 A2 are respectively the profiles that obtains along C-C and C1-C1 plane in Fig. 4.
Fig. 5 is the perspective view of the toothbrush stem of embodiments of the invention 4, shows toothbrush when not being used, the state that toothbrush stem presents.
Fig. 5 A is the decomposing schematic representation of the toothbrush stem among Fig. 5, shows the detailed structure of toothbrush stem.
Fig. 5 A1, Fig. 5 A2 are respectively the profiles that obtains along D-D and D1-D1 plane in Fig. 5.
Fig. 6 is the perspective view of the toothbrush stem of embodiments of the invention 5, shows toothbrush when not being used, the state that toothbrush stem presents.
Fig. 6 A is the decomposing schematic representation of the toothbrush stem among Fig. 6, shows the detailed structure of toothbrush stem.
Fig. 6 A1, Fig. 6 A2 are respectively the profiles that obtains along E-E and E1-E1 plane in Fig. 6.
Fig. 6 A3 is the perspective view of the flip beam of embodiment 5, is presented at the state that the recessed area of constructing on the flip beam presents.
Fig. 7 is the perspective view of the toothbrush stem of embodiments of the invention 6, shows toothbrush when not being used, the state that toothbrush stem presents.
Fig. 7 A is the decomposing schematic representation of the toothbrush stem among Fig. 7, shows the detailed structure of toothbrush stem.
Fig. 7 A1, Fig. 7 A2 are respectively the profiles that obtains along F-F and F1-F1 plane in Fig. 7.
Fig. 8 is the perspective view of the toothbrush stem of embodiments of the invention 7, shows toothbrush when not being used, the state that toothbrush stem presents.
Fig. 8 A is the decomposing schematic representation of the toothbrush stem among Fig. 8, shows the detailed structure of toothbrush stem.
Fig. 8 A1, Fig. 8 A2 are respectively the profiles that obtains along G-G and G1-G1 plane in Fig. 8.
Fig. 9 is the decomposing schematic representation of the flip beam of embodiments of the invention 8, shows the structure of flip beam.
Figure 10 is the decomposing schematic representation of the flip beam of embodiments of the invention 9, shows the structure of flip beam.
Figure 11 is the decomposing schematic representation of the flip beam of embodiments of the invention 10, shows the structure of flip beam.
Figure 12 is the decomposing schematic representation of the flip beam of embodiments of the invention 11, shows the structure of flip beam.
Figure 12 A1, Figure 12 A2 are respectively the profiles that obtains along H-H and H1-H1 plane in Figure 12.
Figure 13 is the decomposing schematic representation of the flip beam of embodiments of the invention 12, shows the structure of flip beam.
Figure 13 A1 is the profile that obtains along the K-K plane in Figure 13.
Figure 14 is the decomposing schematic representation of the flip beam of embodiments of the invention 13, shows the structure of flip beam.
Figure 14 A is the left view of the toothbrush stem of embodiments of the invention 13, shows toothbrush when not being used, the state that toothbrush stem presents.
Figure 15 is the decomposing schematic representation of the brace summer of embodiments of the invention 14, shows the structure of brace summer.
Figure 16 is the decomposing schematic representation of the brace summer of embodiments of the invention 15, shows the structure of brace summer.
Figure 17 is the decomposing schematic representation of the brace summer of embodiments of the invention 16, shows the structure of brace summer.
Figure 18 is the perspective view of the toothbrush stem of embodiments of the invention 17, shows toothbrush when not being used, the state that toothbrush stem presents.
Figure 18 A is the decomposing schematic representation of the toothbrush stem among Figure 18, shows the detailed structure of toothbrush stem.
Figure 18 A1 is the profile that obtains along the L-L plane in Figure 18.
Figure 18 A2 is the structural representation after the toothbrush stem of embodiment 17 is filled flexible material.
Figure 19 is the decomposing schematic representation of the toothbrush stem of embodiments of the invention 18, shows the detailed structure of toothbrush stem.
Figure 20 is the decomposing schematic representation of the toothbrush stem of embodiments of the invention 19, shows the detailed structure of toothbrush stem.
Figure 21 is the perspective view of the toothbrush stem of embodiments of the invention 20, shows toothbrush when not being used, the state that toothbrush stem presents.
Figure 21 A is the decomposing schematic representation of the toothbrush stem among Figure 21, shows the detailed structure of toothbrush stem.
Figure 21 B is the decomposing schematic representation of the toothbrush stem among Figure 21 A, further shows the detailed structure of toothbrush stem.
Figure 21 A1, Figure 21 A2 are respectively the profiles that obtains along M-M and M1-M1 plane in Figure 21.
Figure 22 is the perspective view of the toothbrush stem of embodiments of the invention 21, shows toothbrush when not being used, the state that toothbrush stem presents.
Figure 22 A is the decomposing schematic representation of the toothbrush stem among Figure 22, shows the detailed structure of toothbrush stem.
Figure 22 B is the decomposing schematic representation of the toothbrush stem among Figure 22 A, further shows the detailed structure of toothbrush stem.
Figure 22 A1, Figure 22 A2 are respectively the profiles that obtains along N-N and N1-N1 plane in Figure 22.
Figure 23 is the perspective view of the toothbrush stem of embodiments of the invention 22, shows toothbrush when not being used, the state that toothbrush stem presents.
Figure 23 A is the decomposing schematic representation of the toothbrush stem among Figure 23, shows the detailed structure of toothbrush stem.
Figure 23 B is the decomposing schematic representation of the toothbrush stem among Figure 23 A, further shows the detailed structure of toothbrush stem.
Figure 23 A1, Figure 23 A2 are respectively the profiles that obtains along P-P and P1-P1 plane in Figure 23.
Figure 24 is a kind of schematic diagram of making the method for toothbrush of the present invention.
Figure 25 is a kind of schematic diagram of making the method for toothbrush of the present invention.
Among the figure: the 20-toothbrush handle, the 21-thermoplastic elastomer (TPE), the 30-toothbrush stem, the 30A-thermoplastic elastomer (TPE), the 30B-thermoplastic elastomer (TPE), 31-neck upper end, 32-neck lower end, the 33-sleeve pipe, 34A-the first closure plate, 34B-the second closure plate, the 35-shim, the 40-brush, the basal plane of 41-carrying bristle tuft, the 50-brace summer, the 50A-lower thickness regions, the wavy structure of 50B-, the 50C-thicker region, 50D-the first support bar, 50E-the second support bar, the 60-flip beam, the 60A-lower thickness regions, 61-the first spring leaf, the 611-recessed area, the 61B-back-up block, the 61C-support bar, the 61D-curved edge, 62-the second spring leaf, 63-the 3rd spring leaf, the 70-bristle tuft, axial plane among the ZZ-.
Detailed embodiment
Fig. 1 is the perspective view of embodiments of the invention 1, shows toothbrush when not being used, the state that embodiment 1 presents.Embodiment 1 is a kind of toothbrush that can automatically control toothbrushing force, and it comprises a handle (20), a brush (40) and a thinner neck (30).The upper end (31) of neck (30) is connected with brush (40), and the lower end (32) of neck (30) is connected with handle (20).The cleaning elements such as bristle tuft (70) are fixed on the carrying basal plane (41) of brush (40).
Figure 1A is the enlarged drawing of the toothbrush stem (30) among Fig. 1.
Figure 1A 2, Figure 1A 3 are respectively the profiles that obtains along A-A and A1-A1 plane in Figure 1A.
Can find out by Fig. 1, Figure 1A, Figure 1A 1, embodiment 1 is in neck (30) zone of toothbrush, brace summer (50) is set, and an end of brace summer (50) is connected with neck upper end (31), and the other end of brace summer (50) is connected with neck lower end (32); Simultaneously, at neck area, flip beam (60) is set, an end of flip beam (60) is connected with neck upper end (31), and the other end of flip beam (60) is connected with neck lower end (32); Brace summer (50) is separated from each other with flip beam (60), and keeps suitable distance; Brace summer (50) is arranged on the front side of flip beam (60).
It can also be seen that by Figure 1A 1, Figure 1A 2, Figure 1A 3, brace summer (50) and flip beam (60) roughly vertically distribute along toothbrush stem (30), but the brace summer of embodiment 1 (50) and flip beam (60) keeping parallelism not each other.
Can further find out by Figure 1A 1, Figure 1A 2, Figure 1A 3, flip beam (60) comprises the first spring leaf (61) and the second spring leaf (62); Vertical side of the first spring leaf (61) and a vertical side of the second spring leaf (62) are connected to each other; The first spring leaf (61) and the second spring leaf (62) have suitable shape, length, width and thickness, and keep each other suitable angle.
Brace summer (50) can adopt identical material manufacturing with flip beam (60), also can adopt respectively different material manufacturings.Usually, preferably some has the thermoplastic of stronger anti-fatigue ability, make brace summer (50) and the first spring leaf (61) and the second spring leaf (62) such as polypropylene (PP), polyethylene (PE), copolyester (PETG) etc., and make brace summer (50) and the first spring leaf (61) and the second spring leaf (62) have suitable shape, length, width and thickness.Like this, brace summer (50) and the first spring leaf (61) and the second spring leaf (62) will have suitable elasticity, make it when bearing the torsion of brushing teeth, and can produce default deformation, and behind the torsion that releasing is brushed teeth, can restore to the original state voluntarily.
The torsion of brushing teeth that toothbrush stem (30) is born is shared by brace summer (50) and flip beam (60).Flip beam (60) has following function: when the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, flip beam (60) had normal enabling capabilities; When the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, the enabling capabilities of flip beam (60) can weaken suddenly.
The acrotorque that flip beam (60) can bear is determined jointly by following factor: shape, length, width and the thickness of the first spring leaf (61) and the second spring leaf (62), and the angle between them, and material and the technique of making them.
Therefore, need only determine suitable shape, length, width and thickness for the first spring leaf (61) and the second spring leaf (62), and the angle between definite spring leaf, and determine to make their material and technique, just can be the default acrotorque that it can bear of flip beam (60).
Usually, need to be to the shape of toothbrush bristle and distribution, the soft durometer of bristle, the material of bristle, and user's the factors such as force method analyze, test, and are the maximum toothbrushing force value of a permission of embodiment 1 configuration whereby.If toothbrushing force does not surpass the maximum that allows, then can guarantee effectively to remove bacterial plaque under the safe prerequisite.If toothbrushing force surpasses the maximum that allows, then might damage gum or enamel.
Determine according to preceding method after the maximum of permission of toothbrushing force of embodiment 1, need to be brace summer (50), the first spring leaf (61) and the second spring leaf (62) are determined suitable shape, length, width, thickness and angle, and the manufactured materials and the technique that adopt, so that the common twin-spar construction that consists of of brace summer (50) and flip beam (60) can satisfy following condition: when toothbrushing force does not surpass the maximum that allows, in the common twin-spar construction that consists of of brace summer (50) and flip beam (60), be assigned to the torsion on the flip beam (60), its size does not reach the default acrotorque that can bear of flip beam (60); When toothbrushing force reaches the maximum of permission, in the common twin-spar construction that consists of of brace summer (50) and flip beam (60), be assigned to the torsion on the flip beam (60), its size just reaches the default acrotorque that can bear of flip beam (60).
Untapped the time, the toothbrush of embodiment 1 is in normal condition, and the common twin-spar construction that consists of of brace summer (50) and flip beam (60) has normal enabling capabilities.At this moment, from pressure on any direction, appropriateness, all can not make brace summer (50) and flip beam (60) bending.Toothbrush all has preferably enabling capabilities on all directions.
When in use, when toothbrushing force does not surpass the maximum that allows, be assigned to the torsion on the flip beam (60), its size does not reach the default acrotorque that can bear of flip beam (60), and flip beam this moment (60) has normal enabling capabilities.The common twin-spar construction that consists of of brace summer (50) and flip beam (60) can provide enough support forces, normally brushes teeth to support the user.
When in use, when toothbrushing force surpasses the maximum that allows, be assigned to the torsion on the flip beam (60), its size surpasses the default acrotorque that can bear of flip beam (60), the enabling capabilities of flip beam (60) can weaken suddenly, causes thus flip beam (60) and brace summer (50) abrupt bend.The toothbrushing force that is applied on the brush (40) is reduced to rapidly below the maximum of permission.At this moment, be assigned to the torsion on the flip beam (60), its size is reduced to below the default acrotorque that can bear of flip beam (60).Flip beam (60) recovers normal enabling capabilities.Flip beam (60) and brace summer (50) restore to the original state voluntarily.Toothbrush handle recovers normal enabling capabilities, and the user can normally brush teeth.
Fig. 2 is the perspective view of embodiments of the invention 1, shows when toothbrushing force surpasses the maximum that allows the state that toothbrush stem (30) presents when bending.
Fig. 2 A is the enlarged drawing of the toothbrush stem (30) among Fig. 2.
Fig. 2 A1 is the decomposing schematic representation of the toothbrush stem (30) among Fig. 2 A, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
It is pointed out that the toothbrush of all embodiment of the present invention, all comprise a handle (20), a brush (40) and a thinner neck (30); The upper end (31) of neck (30) is connected with brush (40), and the lower end (32) of neck (30) is connected with handle (20); The cleaning elements such as bristle tuft (70) are fixed on the carrying basal plane (41) of brush (40).Because feature of the present invention is mainly reflected in the neck (30) of toothbrush, therefore, when following explanation other embodiments of the invention, only relates to the neck (30) of toothbrush, and omit the other parts of toothbrush.
Fig. 3 is the perspective view of the toothbrush stem (30) of embodiments of the invention 2, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Fig. 3 A is the decomposing schematic representation of the toothbrush stem (30) among Fig. 3, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Fig. 3 A1, Fig. 3 A2 are respectively the profiles that obtains along B-B and B1-B1 plane in Fig. 3.
Embodiment 2 is with the difference of embodiment 1: flip beam (60) also comprises the 3rd spring leaf (63) except comprising the first spring leaf (61) and the second spring leaf (62); Vertical side of the 3rd spring leaf (63) and the vertical side of freedom of the first spring leaf (61) are connected to each other; The 3rd spring leaf (63) has suitable shape, length, width and thickness, and keeps each other suitable angle with the first spring leaf (61).
The flip beam of embodiment 2 (60) has the function of roughly equiv with the flip beam (60) of embodiment 1, that is: when the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, flip beam (60) had normal enabling capabilities; When the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, the enabling capabilities of flip beam (60) can weaken suddenly.
Whereby, the toothbrush of embodiment 2 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Fig. 4 is the perspective view of the toothbrush stem (30) of embodiments of the invention 3, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Fig. 4 A is the decomposing schematic representation of the toothbrush stem (30) among Fig. 4, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Fig. 4 A1, Fig. 4 A2 are respectively the profiles that obtains along C-C and C1-C1 plane in Fig. 4.
Embodiment 3 is with the difference of embodiment 2: the second spring leaf (62) and the 3rd spring leaf (63) of flip beam (60) have curved cross section.
The flip beam of embodiment 3 (60) has the function of roughly equiv with the flip beam (60) of embodiment 2.Whereby, the toothbrush of embodiment 3 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Fig. 5 is the perspective view of the toothbrush stem (30) of embodiments of the invention 4, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Fig. 5 A is the decomposing schematic representation of the toothbrush stem (30) among Fig. 5, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Fig. 5 A1, Fig. 5 A2 are respectively the profiles that obtains along D-D and D1-D1 plane in Fig. 5.
Embodiment 4 is with the difference of embodiment 1: flip beam (60) only comprises the first spring leaf (61); The first spring leaf (61) has curved cross section.
The flip beam of embodiment 4 (60) has the function of roughly equiv with the flip beam (60) of embodiment 3.Whereby, the toothbrush of embodiment 4 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Fig. 6 is the perspective view of the toothbrush stem (30) of embodiments of the invention 5, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Fig. 6 A is the decomposing schematic representation of the toothbrush stem (30) among Fig. 6, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Fig. 6 A1, Fig. 6 A2 are respectively the profiles that obtains along E-E and E1-E1 plane in Fig. 6.
The same manner as in Example 4, the flip beam of embodiment 5 (60) also only comprises the first spring leaf (61).Embodiment 5 is with the difference of embodiment 4: the first spring leaf (61) of embodiment 5 has the cross section that is circular.
This have a cross section spring leaf (61) that is closed circular, looks like in appearance the pipe of a hollow.It has the shape of cross section that plurality of optional is selected, such as annulus, elliptical ring etc.An advantage of flip beam in a tubular form (60) is that it more easily cleans.
The flip beam of embodiment 5 (60) has the function of roughly equiv with the flip beam (60) of embodiment 4.That is: when the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, flip beam (60) had normal enabling capabilities; When the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, the enabling capabilities of flip beam (60) can weaken suddenly.
Whereby, the toothbrush of embodiment 4 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
As a kind of alternative, can construct recessed area (611) in the appropriate location on the flip beam (60) of embodiment 5.When flip beam (60) bent because bearing the torsion of brushing teeth, recessed area (611) position of flip beam (60) was more flexible.The Position Control that flip beam (60) can be bent whereby, is near recessed area (611).Fig. 6 A3 is the perspective view of the flip beam (60) of embodiment 5, shows that flip beam (60) is arranging the state that presents behind the recessed area (611).
Fig. 7 is the perspective view of the toothbrush stem (30) of embodiments of the invention 6, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Fig. 7 A is the decomposing schematic representation of the toothbrush stem (30) among Fig. 7, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Fig. 7 A1, Fig. 7 A2 are respectively the profiles that obtains along F-F and F1-F1 plane in Fig. 7.
Embodiment 6 is with the difference of embodiment 5: the first spring leaf (61) of embodiment 6 has the cross section that is oval ring-type.
The flip beam of embodiment 6 (60) has the function of roughly equiv with the flip beam (60) of embodiment 5.Whereby, the toothbrush of embodiment 6 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Fig. 8 is the perspective view of the toothbrush stem (30) of embodiments of the invention 7, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Fig. 8 A is the decomposing schematic representation of the toothbrush stem (30) among Fig. 8, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Fig. 8 A1, Fig. 8 A2 are respectively the profiles that obtains along G-G and G1-G1 plane in Fig. 8.
Embodiment 7 is with the difference of embodiment 6: the first spring leaf (61) of embodiment 7 has the cross section that is irregular ring-type.
The flip beam of embodiment 7 (60) has the function of roughly equiv with the flip beam (60) of embodiment 6.Whereby, the toothbrush of embodiment 7 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Fig. 9 is the decomposing schematic representation of the flip beam (60) of embodiments of the invention 8, shows the structure of flip beam (60).Dotted line is indicated neck upper end (31), neck lower end (32) and flip beam (60) before undecomposed among the figure, the position at their places.
Embodiment 8 is a kind of improvement of embodiment 1.Embodiment 8 is with the difference of embodiment 1: have lower thickness regions (61A) on first spring leaf (61) of the flip beam of embodiment 8 (60) and the second spring leaf (62).Spring leaf is at the thickness of lower thickness regions (61A), than the thinner thickness of spring leaf at other positions.When bearing the torsion of brushing teeth, (61A) is more flexible for the spring leaf lower thickness regions, and has preferably anti-fatigue ability.Therefore, when spring leaf bears the torsion of brushing teeth and bends, its zone that bends will roughly be limited in the lower thickness regions (61A).Can increase like this ability of spring leaf antifatigue.
Figure 10 is the decomposing schematic representation of the flip beam (60) of embodiments of the invention 9, shows the structure of flip beam (60).Dotted line is indicated neck upper end (31), neck lower end (32) and flip beam (60) before undecomposed among the figure, the position at their places.
Embodiment 9 also is a kind of improvement of embodiment 1.Embodiment 9 is with the difference of embodiment 1: the position of (31) and neck lower end (32) on the close neck of the flip beam (60) of embodiment 9 arranges respectively back-up block (61B).Back-up block (61B) have two sides respectively with the first spring leaf (61) be connected spring leaf (62) and be connected.It has a side to be connected with neck upper end (31) or neck lower end (32) in addition.After back-up block (61B) is set, when flip beam (60) bears the torsion of brushing teeth and bends, the first spring leaf (61) be connected zone spring leaf (62), that be connected with back-up block (61B), substantially can not bend.This has been equivalent to reduce the length of flip beam (60).
When toothbrushing force surpassed the maximum that allows, brace summer (50) and flip beam (60) can stressed bendings.If torsion is not removed, then brace summer (50) and flip beam (60) can continue bending, drive brush (40) and rotate to rear side, until flip beam (60) contacts with brace summer (50), at this moment, continue crooked process and are prevented from.If the length of the Length Ratio brace summer (50) of flip beam (60) is longer, so, the process that begins to bend to their bendings from brace summer (50) and flip beam (60) is prevented from, during brush (40) angle of rotating with smaller.Otherwise, if the length of the Length Ratio flip beam (60) of brace summer (50) is longer, so, the process that begins to bend to their bendings from brace summer (50) and flip beam (60) is prevented from, during brush (40) angle of rotating will be larger.
Figure 11 is the decomposing schematic representation of the flip beam (60) of embodiments of the invention 10, shows the structure of flip beam (60).Dotted line is indicated neck upper end (31), neck lower end (32) and flip beam (60) before undecomposed among the figure, the position at their places.
Embodiment 10 is a kind of improvement of embodiment 3.Embodiment 10 is with the difference of embodiment 3: the two ends at first spring leaf (61) of the flip beam (60) of embodiment 10 arrange respectively support bar (61C).Support bar (61C) has a side to be connected with the first spring leaf (61), and it has a side to be connected with neck upper end (31) or neck lower end (32) in addition.Support bar (61C) is set can increase the hardness of flip beam (60), but does not substantially affect the function of flip beam (60).
Figure 12 is the decomposing schematic representation of the flip beam (60) of embodiments of the invention 11, shows the structure of flip beam (60).Dotted line is indicated neck upper end (31), neck lower end (32) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 12 A1, Figure 12 A2 are respectively the profiles that obtains along H-H and H1-H1 plane in Figure 12.
Embodiment 10 also is a kind of improvement of embodiment 1.Embodiment 10 is with the difference of embodiment 1: in the cross section of some position intercepting of the flip beam (60) of embodiment 10, such as the profile that in Figure 12, obtains along the H-H plane, with the cross section in the intercepting of the other position of the flip beam (60) of embodiment 10, such as the profile that obtains along the H1-H1 plane in Figure 12, they have different shapes, size or thickness.But, must guarantee that flip beam (60) has level and smooth inside and outside wall.
Brace summer (50) and flip beam (60) have the profile that plurality of optional is selected.But preferably some and the outward appearance profile that coordinate mutually, create an aesthetic feeling of toothbrush handle (20), brush (40) and neck (30).For the profile that need to obtain, the shape of the cross section of brace summer (50) and flip beam (60) changes with the profile variation of brace summer (50) or flip beam (60) usually.
Figure 13 is the decomposing schematic representation of the flip beam (60) of embodiments of the invention 12, shows the structure of flip beam (60).Dotted line is indicated neck upper end (31), neck lower end (32) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 13 A1 is the profile that obtains along the K-K plane in Figure 13.
Embodiment 12 is a kind of improvement of embodiment 4.Although the same manner as in Example 4, the flip beam of embodiment 12 (60) also only comprises the first spring leaf (61), and its first spring leaf (61) also has curved cross section.But embodiment 12 is with the difference of embodiment 4: at first, and the cross section shape of the flip beam of embodiment 12 (60) is different from the cross section shape of the flip beam (60) of embodiment 4.Secondly, the flip beam of embodiment 4 (60) take toothbrush stem (30) longitudinally in axial plane (ZZ) as axial plane, be symmetric; But the flip beam of embodiment 12 (60) is distribution or asymmetrical distribution.
The flip beam of embodiment 12 (60) has the function of roughly equiv with the flip beam (60) of embodiment 4, that is: when the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, flip beam (60) had normal enabling capabilities; When the torsion that is assigned on the flip beam (60), when its size surpassed the acrotorque that flip beam (60) can bear, the enabling capabilities of flip beam (60) can weaken suddenly.
Whereby, the toothbrush of embodiment 12 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Figure 14 is the decomposing schematic representation of the flip beam (60) of embodiments of the invention 13, shows the structure of flip beam (60).Dotted line is indicated neck upper end (31), neck lower end (32) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 14 A is the left view of the toothbrush stem (30) of embodiments of the invention 13, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Embodiment 13 also is a kind of improvement of embodiment 1.Embodiment 13 is with the difference of embodiment 1: the first spring leaf (61) or second spring leaf (62) of the flip beam of embodiment 13 (60) have curved edge (61D).
When flip beam (60) bore the torsion of brushing teeth and bends, the region, middle part of curved edge (61D) was more flexible.The Position Control that flip beam (60) can be bent whereby, is at the near middle of curved edge (61D).
Figure 15 is the decomposing schematic representation of the brace summer (50) of embodiments of the invention 14, shows the structure of brace summer (50).Dotted line is indicated neck upper end (31), neck lower end (32) and brace summer (50) before undecomposed among the figure, the position at their places.
Embodiment 14 is a kind of improvement of embodiment 1.Embodiment 14 is with the difference of embodiment 1: the brace summer of embodiment 14 (50) has lower thickness regions (50A).Brace summer (50) is at the thickness of lower thickness regions (50A), than the thinner thickness of brace summer (50) at other positions.When bearing the torsion of brushing teeth, brace summer (50) lower thickness regions (50A) is more flexible, and has preferably anti-fatigue ability.Therefore, when brace summer (50) bears the torsion of brushing teeth and bends, its zone that bends will roughly be limited in the lower thickness regions (50A).Can increase like this ability of brace summer (50) antifatigue.
Figure 16 is the decomposing schematic representation of the brace summer (50) of embodiments of the invention 15, shows the structure of brace summer (50).Dotted line is indicated neck upper end (31), neck lower end (32) and brace summer (50) before undecomposed among the figure, the position at their places.
Embodiment 15 also is a kind of improvement of embodiment 1.Embodiment 15 is with the difference of embodiment 1: the part brace summer (50) of embodiment 15 has wavy structure (50B).Wavy structure (50B) helps to increase the elasticity of brace summer (50).
Figure 17 is the decomposing schematic representation of the brace summer (50) of embodiments of the invention 16, shows the structure of brace summer (50).Dotted line is indicated neck upper end (31), neck lower end (32) and brace summer (50) before undecomposed among the figure, the position at their places.
Embodiment 16 also is a kind of improvement of embodiment 1.Embodiment 16 is with the difference of embodiment 1: the two ends at the brace summer (50) of embodiment 16 arrange thicker region (50C).Brace summer (50) is at the thickness of thicker region (50C), and is thicker at the thickness at other position than brace summer (50).Whereby, brace summer (50) is at the enabling capabilities of thicker region (50C), and the enabling capabilities of reinforcement is not stronger at other than brace summer (50).So, on function, be equivalent to shorten the length of brace summer (50).
Figure 18 is the perspective view of the toothbrush stem (30) of embodiments of the invention 17, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Figure 18 A is the decomposing schematic representation of the toothbrush stem (30) among Figure 18, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 18 A1 is the profile that obtains along the L-L plane in Figure 18.
Embodiment 17 is a kind of improvement of embodiment 12.Embodiment 17 is with the difference of embodiment 12: the brace summer of embodiment 17 (50) is distributed in respectively the longitudinally both sides of middle axial plane (ZZ) of toothbrush stem (30) with flip beam (60), and, if along in axial plane (ZZ), from the toothbrush front side to the orthographic projection of toothbrush rear side, then the view field of brace summer (50) and flip beam (60) is not overlapping.This kind structure makes the parts such as brace summer (50), flip beam (60) and handle (20), brush (40) and neck (30) of embodiment 17, only uses Shooting Technique one time, just can create.
For the neck (30) that makes embodiment 17 seems more complete, can be at some region division flexible material of neck (30), such as thermoplastic elastomer (TPE) (30A, 30B).Figure 18 A2 is the structural representation after the toothbrush stem (30) of embodiment 17 arranges flexible material.It needs to be noted, for fear of thermoplastic elastomer (TPE) (30A, 30B) barrier support beam (50) and flip beam (60) bending, need to guarantee axial plane (ZZ) in thermoplastic elastomer (TPE) (30A, the 30B) edge, not overlap each other from the toothbrush front side to the view field that the orthographic projection of toothbrush rear side produces.
Figure 19 is the decomposing schematic representation of the toothbrush stem (30) of embodiments of the invention 18, shows toothbrush when not being used, the state that toothbrush stem (30) presents.Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50), flip beam (60) and sleeve pipe (33) before undecomposed among the figure, the position at their places.
Embodiment 18 also is a kind of improvement of embodiment 1.Embodiment 18 is with the difference of embodiment 1: embodiment 18 sets up sleeve pipe (33), and brace summer (50) and flip beam (60) are enclosed in the sleeve pipe (33).One end of sleeve pipe (33) is connected with neck upper end (31), and its other end is connected with neck lower end (32).Soft and the high resilience of sleeve pipe (33), therefore can barrier support beam (50) and flip beam (60) bear the torsion of brushing teeth and bend.
A preferred method that adds tubing (33) for embodiment 18 is: adopt soft heat-shrinkage material to make sleeve pipe.Then toothbrush stem (30) is inserted in the sleeve pipe (33).Heating muff (33) makes its contraction.After sleeve pipe (33) is subjected to thermal contraction, its two ends will clamp respectively neck upper end (31) and neck lower end (32).Usually, can construct groove with the correct position of neck lower end (32) in neck upper end (31), so that the two ends of sleeve pipe (33) can partly embed in the groove.
Figure 20 is the decomposing schematic representation of the toothbrush stem (30) of embodiments of the invention 19, shows toothbrush when not being used, the state that toothbrush stem (30) presents.Dotted line is indicated neck upper end (31), neck lower end (32), flip beam (60) and sleeve pipe (33) before undecomposed among the figure, the position at their places.
Figure 21 is the perspective view of the toothbrush stem (30) of embodiments of the invention 20, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Figure 21 A is the decomposing schematic representation of the toothbrush stem (30) among Figure 21, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 21 B is the decomposing schematic representation of the toothbrush stem (30) among Figure 21 A, further shows the detailed structure of toothbrush stem (30).
Figure 21 A1, Figure 21 A2 are respectively the profiles that obtains along M-M and M1-M1 plane in Figure 21.
The brace summer of embodiment 20 (50) and flip beam (60) have the function of roughly equiv with brace summer (50) and the flip beam (60) of embodiment 2.Whereby, the toothbrush of embodiment 20 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Here it is to be noted: the first spring leaf (61) of embodiment 20 is " inverted v-shaped " structure in the vertical, and its middle part is to the front lateral bend of toothbrush.Whereby, when flip beam (60) bears the torsion of brushing teeth and bends, its zone that bends will roughly be controlled in the near middle of " inverted v-shaped " structure.
Figure 22 is the perspective view of the toothbrush stem (30) of embodiments of the invention 21, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Figure 22 A is the decomposing schematic representation of the toothbrush stem (30) among Figure 22, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 22 B is the decomposing schematic representation of the toothbrush stem (30) among Figure 22 A, further shows the detailed structure of toothbrush stem (30).
Figure 22 A1, Figure 22 A2 are respectively the profiles that obtains along N-N and N1-N1 plane in Figure 22.
After the first closure plate (34A) and the second closure plate (34B) were set, the toothbrush stem of embodiment 21 (30) was the structure of complete closure, and this is so that it is convenient to cleaning.And, can also avoid edge may damage oral cavity tissue of brace summer (50) and flip beam (60).
Usually, make the material of the first closure plate (34A) and the second closure plate (34B), identical with the material of making brace summer (50) and flip beam (60).But as a kind of selection, make the material of the first closure plate (34A) or the second closure plate (34B), also can be different from the material of making brace summer (50) or flip beam (60).
The Thickness Ratio of the first closure plate (34A) and the second closure plate (34B) is thinner, and employing has flexible material manufacturing.They can not produce on the function of brace summer (50) and flip beam (60) obviously impact.Whereby, the toothbrush of embodiment 21 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 3, do not repeat them here.
Figure 23 is the perspective view of the toothbrush stem (30) of embodiments of the invention 22, shows toothbrush when not being used, the state that toothbrush stem (30) presents.
Figure 23 A is the decomposing schematic representation of the toothbrush stem (30) among Figure 23, shows the detailed structure of toothbrush stem (30).Dotted line is indicated neck upper end (31), neck lower end (32), brace summer (50) and flip beam (60) before undecomposed among the figure, the position at their places.
Figure 23 B is the decomposing schematic representation of the toothbrush stem (30) among Figure 23 A, further shows the detailed structure of toothbrush stem (30).
Figure 23 A1, Figure 23 A2 are respectively the profiles that obtains along P-P and P1-P1 plane in Figure 23.
Embodiment 22 is a kind of improvement of embodiment 21.Embodiment 22 is with the difference of embodiment 21: embodiment 21 arranges shim (35).One end of shim (35) is connected with neck upper end (31), and its other end is connected with neck lower end (32).A vertical side of shim (35) is connected with interconnective that the vertical side of the first closure plate (34A) and the 3rd spring leaf (63).Another vertical side of shim (35), with the second closure plate (34B) be connected interconnective that the vertical side of spring leaf (62) and be connected.
On function, shim (35) strengthens the enabling capabilities of brace summer (50) on the one hand, strengthens again the enabling capabilities of flip beam (60) simultaneously.But the brace summer of embodiment 22 (50) and flip beam (60) have the function of roughly equiv with brace summer (50) and the flip beam (60) of embodiment 21.Whereby, the toothbrush of embodiment 22 can be controlled at toothbrushing force below the maximum of permission equally automatically.The principle of its realization, basically identical with embodiment 1, do not repeat them here.
Figure 21 is a kind of schematic diagram of making the method for toothbrush of the present invention.
Figure 22 is the another kind of schematic diagram of making the method for toothbrush of the present invention.
Can adopt now the technique of published manufacturing toothbrush to make toothbrush disclosed by the invention.The parts such as the handle of toothbrush (20), brush (40) and neck (30) adopt the Shooting Technique manufacturing usually.Sometimes, also need to adopt Shooting Technique, thermoplastic elastomer (TPE) (21) is fixed on some position on the toothbrush handle (20), form the grip area with comfortable sense of touch at handle whereby.In addition, also need the cleaning elements such as bristle tuft (70) are fixed on the brush (40).These all are self-evident.
A preferred fabrication scheme is, adopt Shooting Technique, brace summer (50) and the parts such as handle (20), brush (40) and neck (30) are done as a whole manufacturing (parts 1), flip beam (60) is done separately as a whole manufacturing (parts 2).Then, use ultrasonic welding process, parts 1 and parts 2 are welded into an integral body.
Claims (12)
1. a toothbrush comprises a handle (20), a brush (40) and a thinner neck (30).The upper end (31) of neck (30) is connected with brush (40), and the lower end (32) of neck (30) is connected with handle (20).The cleaning elements such as bristle tuft (70) are fixed on the carrying basal plane (41) of brush (40).It is characterized in that:
In neck (30) zone, brace summer (50) is set, an end of brace summer (50) is connected with neck upper end (31), and the other end of brace summer (50) is connected with neck lower end (32);
In neck (30) zone, flip beam (60) is set, an end of flip beam (60) is connected with neck upper end (31), and the other end of flip beam (60) is connected with neck lower end (32);
Brace summer (50) is separated from each other with flip beam (60), and keeps suitable distance;
Brace summer (50) is arranged on the front side of flip beam (60);
Brace summer (50) has suitable elasticity, makes it when bearing the torsion of brushing teeth, and can produce default deformation, and behind the torsion that releasing is brushed teeth, can restore to the original state voluntarily;
Flip beam (60) has the elastic overturning structure, makes it have following functions when bearing the torsion of brushing teeth: when toothbrushing force did not surpass the maximum that allows, flip beam (60) had normal enabling capabilities; When toothbrushing force surpassed the maximum that allows, the enabling capabilities of flip beam (60) can weaken suddenly.
2. by toothbrush claimed in claim 1, it is characterized in that:
Flip beam (60) comprises the first spring leaf (61) and the second spring leaf (62) at least;
Vertical side of the first spring leaf (61) and a vertical side of the second spring leaf (62) are connected to each other;
The first spring leaf (61) and the second spring leaf (62) have suitable length, width and thickness, and keep each other suitable angle.
3. by toothbrush claimed in claim 2, it is characterized in that:
Flip beam (60) also comprises the 3rd spring leaf (63);
Vertical side of the 3rd spring leaf (63) and the vertical side of freedom of the first spring leaf (61) are connected to each other;
The 3rd spring leaf (63) has suitable length, width and thickness, and keeps each other suitable angle with the first spring leaf (61).
4. by claim 2 or toothbrush claimed in claim 3, it is characterized in that:
Among the first spring leaf (61) or the second spring leaf (62) or the 3rd spring leaf (63), have at least a spring leaf to have curved cross section.
5. by toothbrush claimed in claim 1, it is characterized in that:
Flip beam (60) comprises the first spring leaf (61) at least;
The first spring leaf (61) has curved cross section.
6. by toothbrush claimed in claim 1, it is characterized in that:
Flip beam (60) comprises the first spring leaf (61) at least;
The first spring leaf (61) has the cross section that is closed circular.
7. by claim 2 or claim 3 or claim 4 or claim 5 or toothbrush claimed in claim 6, it is characterized in that:
The first spring leaf (61) and (or) the second spring leaf (62) and (or) the 3rd spring leaf (63) has lower thickness regions (61A);
Spring leaf is at the thickness of lower thickness regions (61A), than the thinner thickness of spring leaf at other positions.
8. by claim 2 or claim 3 or claim 4 or claim 5 or toothbrush claimed in claim 6, it is characterized in that:
The first spring leaf (61) and (or) the second spring leaf (62) and (or) the 3rd spring leaf (63) has curved edge (61D).
9. by toothbrush claimed in claim 1, it is characterized in that:
Brace summer (50) has lower thickness regions (50A);
Brace summer (50) is at the thickness of lower thickness regions (50A), than the thinner thickness of brace summer (50) at other positions.
10. by toothbrush claimed in claim 1, it is characterized in that:
The length of the Length Ratio flip beam (60) of brace summer (50) is longer.
11. by toothbrush claimed in claim 1, it is characterized in that:
The length of the Length Ratio brace summer (50) of flip beam (60) is longer.
12. by toothbrush claimed in claim 1, it is characterized in that:
In neck (30) zone, sleeve pipe (33) is set, an end of sleeve pipe (33) is connected with neck upper end (31), and the other end of sleeve pipe (33) is connected with neck lower end (32);
Sleeve pipe (33) softness and high resilience;
Brace summer (50) and flip beam (60) are enclosed in the sleeve pipe (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102490533A CN102949001A (en) | 2011-08-26 | 2011-08-26 | Toothbrush capable of automatically controlling tooth brushing pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102490533A CN102949001A (en) | 2011-08-26 | 2011-08-26 | Toothbrush capable of automatically controlling tooth brushing pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102949001A true CN102949001A (en) | 2013-03-06 |
Family
ID=47758821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102490533A Pending CN102949001A (en) | 2011-08-26 | 2011-08-26 | Toothbrush capable of automatically controlling tooth brushing pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102949001A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155512A1 (en) * | 2015-04-02 | 2016-10-06 | 李德恭 | Constant force brush |
| CN106136566B (en) * | 2015-04-02 | 2018-08-31 | 李德恭 | Determine power brushing tool |
| CN113226115A (en) * | 2018-12-27 | 2021-08-06 | 狮王株式会社 | Tooth brush |
| CN113784688A (en) * | 2019-04-25 | 2021-12-10 | 皇家飞利浦有限公司 | Device and method for differentiating pressure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146645A (en) * | 1991-03-01 | 1992-09-15 | The Procter & Gamble Company | Toothbrush employing resiliently buckling arch to indicate excessive brushing pressure |
| CN1684606A (en) * | 2002-07-26 | 2005-10-19 | 乔丹公司 | Toothbrush with leaf spring for ensuring correct pressure |
| US7281289B1 (en) * | 1999-09-17 | 2007-10-16 | Placontrol, Inc. | Automatic pressure release toothbrush |
-
2011
- 2011-08-26 CN CN2011102490533A patent/CN102949001A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146645A (en) * | 1991-03-01 | 1992-09-15 | The Procter & Gamble Company | Toothbrush employing resiliently buckling arch to indicate excessive brushing pressure |
| US7281289B1 (en) * | 1999-09-17 | 2007-10-16 | Placontrol, Inc. | Automatic pressure release toothbrush |
| CN1684606A (en) * | 2002-07-26 | 2005-10-19 | 乔丹公司 | Toothbrush with leaf spring for ensuring correct pressure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155512A1 (en) * | 2015-04-02 | 2016-10-06 | 李德恭 | Constant force brush |
| CN106136566A (en) * | 2015-04-02 | 2016-11-23 | 李德恭 | Determine power brushing tool |
| CN106136566B (en) * | 2015-04-02 | 2018-08-31 | 李德恭 | Determine power brushing tool |
| US10321753B2 (en) | 2015-04-02 | 2019-06-18 | Te-Kung LEE | Stress control brush |
| CN113226115A (en) * | 2018-12-27 | 2021-08-06 | 狮王株式会社 | Tooth brush |
| CN113226115B (en) * | 2018-12-27 | 2023-09-19 | 狮王株式会社 | Toothbrush with tooth brush |
| CN113784688A (en) * | 2019-04-25 | 2021-12-10 | 皇家飞利浦有限公司 | Device and method for differentiating pressure |
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Application publication date: 20130306 |