CN211863013U - Surrounding type toothbrush capable of adjusting position of upper side bristles - Google Patents
Surrounding type toothbrush capable of adjusting position of upper side bristles Download PDFInfo
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- CN211863013U CN211863013U CN202020223147.8U CN202020223147U CN211863013U CN 211863013 U CN211863013 U CN 211863013U CN 202020223147 U CN202020223147 U CN 202020223147U CN 211863013 U CN211863013 U CN 211863013U
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Abstract
The utility model relates to the field of machinary, concretely relates to toothbrush. A surrounding type toothbrush capable of adjusting the position of upper side bristles comprises an electric toothbrush, wherein the electric toothbrush comprises a brush head, the brush head comprises a brush head handle, and the front part of the brush head handle is provided with an upper side brush plate, a front side brush plate and a rear side brush plate; the upper side brush plate is connected with the front side brush plate through a transmission mechanism, the transmission mechanism comprises an elastic connecting piece for enabling the front side brush plate to reset, and the elastic connecting piece is arranged between the front side brush plate and the rear side brush plate. Through the design, the utility model provides a surrounding toothbrush capable of adjusting the position of upper side bristles, and the self-adaptive effect of automatic lamination of the bristles can meet the tooth cleaning requirements of people with different oral cavities and tooth sizes through the surrounding effect generated by three-side bristles and the thickness change from incisors to molars; meanwhile, the bristles below the upper brush plate are maintained at the middle position of the upper part of the teeth, so that the upper surfaces of the teeth are cleaned conveniently, and the cleaning effect is improved.
Description
Technical Field
The utility model relates to the field of machinary, specifically, relate to a toothbrush.
Background
The brush head of the existing electric toothbrush only has one side of brush hair, and because the upper and lower rows of teeth are convex, the upper side and the inner side of the teeth are not easy to be effectively cleaned, and a tooth brushing blind area is easy to form; when brushing teeth, the direction of the brush head needs to be changed for a plurality of times to clean the outer side, the inner side and the surface of the molar teeth, which wastes time and labor and is easy to form bad brushing habits; or, some current surrounding type toothbrushes that adopt trilateral brush hair, when brushing teeth, the brush hair of toothbrush is the surrounding type parcel and lives the tooth, however because trilateral brush hair is comparatively fixed, can't adapt to the thickness change between incisor and the molar, lead to the use inconvenient, can't adapt to most crowds, especially to the molar of oral cavity inboard, the brush hair of toothbrush upside can not change its position along with the thickness change between incisor and the molar, be unfavorable for the cleanness to the tooth upper surface, especially to the slot in middle part on the molar upper surface, clean effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surrounding toothbrush with adjustable upper side brush hair position, which solves at least one technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a surrounding type toothbrush capable of adjusting the position of upper side bristles comprises an electric toothbrush, wherein the electric toothbrush comprises a brush head, and the surrounding type toothbrush is characterized in that the brush head comprises a brush head handle, an upper side brush plate, a front side brush plate and a rear side brush plate are arranged at the front part of the brush head handle, bristles are arranged on the lower surface of the upper side brush plate, bristles are arranged on the rear side surface of the front side brush plate, and bristles are arranged on the front side surface of the rear side brush plate;
the upper part of the rear side brush plate is provided with a first rotating shaft, the front part of the brush head handle is provided with a first rotating shaft hole, and the first rotating shaft penetrates into the first rotating shaft hole;
the upper side brush plate is connected with the front side brush plate through a transmission mechanism, the transmission mechanism comprises an elastic connecting piece used for enabling the front side brush plate to reset, and the elastic connecting piece is arranged between the front side brush plate and the rear side brush plate.
As a scheme, a first fixing plate is arranged at the front part of the rear side brush plate, a first sliding groove is formed in the first fixing plate, and the upper side brush plate is arranged in the first sliding groove;
the rear part of the front side brush plate is provided with a first mounting plate, the lower part of the first mounting plate is provided with two mounting strips, the two mounting strips are respectively arranged on two side parts of the first mounting plate, the mounting strips are provided with second sliding grooves, and the outer side part of the first fixing plate is arranged in the second sliding grooves;
a second rotating shaft is arranged on one side part of the first fixing plate, the transmission mechanism comprises a connecting rod, a second rotating shaft hole is formed in one side part of the connecting rod, the second rotating shaft penetrates into the second rotating shaft hole, a strip-shaped opening is formed in the other side part of the connecting rod, an upright post is arranged on the upper surface of the upper side brush plate, and the upright post penetrates into the strip-shaped opening;
the transmission mechanism comprises a pin, a mounting hole is formed in the first mounting plate, the upper portion of the pin penetrates into the mounting hole, the lower portion of the pin penetrates into the strip-shaped opening, and the stand column is located between the pin and the second rotating shaft;
elastic connection spare adopts first torsional spring, is close to the second axis of rotation be equipped with a fixed axle on one side portion of first fixed plate, the front portion of first fixed plate is equipped with the lump arch, the middle part cover of first torsional spring is established on the fixed axle, one side portion of first torsional spring supports the lump arch, another lateral part of first torsional spring supports the connecting rod.
The second rotating shaft and the pin are respectively arranged at two side parts of the connecting rod, and the upright post is positioned in the middle of the connecting rod.
The first mounting plate and the mounting bar adopt an integrated structure. And a notch facilitating the movement of the connecting rod is arranged on the mounting strip far away from the second rotating shaft.
And a bulge is arranged on one side surface of the connecting rod close to the first torsion spring, and the cross section of the bulge is semicircular. One side surface of the block-shaped bulge close to the first torsion spring is obliquely arranged.
The width of the upper side brush plate is gradually reduced from top to bottom; the width of first fixed plate reduces from top to bottom gradually.
The first rotating shaft is in an inverted round table shape. The front part of the brush head handle is provided with an installation groove, the width of the rear part of the installation groove is greater than that of the upper part of the rotating shaft, the width of the front part of the installation groove is gradually reduced from top to bottom, and the front part of the installation groove is communicated with the first rotating shaft hole; the front part of the brush head handle is provided with an embedding block which is clamped into the mounting groove, the front part of the embedding block is provided with a contact surface which is used for supporting the first rotating shaft, and the contact surface adopts an arc surface. The brush head handle is provided with an insertion hole, and the rear part of the embedded block is provided with a plug inserted into the insertion hole.
The brush hair of setting on the lower surface of upside brush board is vertical arranging, sets up brush hair on the trailing flank of front side brush board is the slope and arranges, sets up brush hair on the leading flank of rear side brush board is the slope and arranges.
The rear portion of the first mounting plate is provided with a first groove, the width of the first groove is gradually increased from front to back, and the front portion of the brush head handle is arranged in the first groove.
As another scheme, a second mounting plate is arranged at the rear part of the front side brush plate, a second fixing plate is arranged at the front part of the rear side brush plate, the second fixing plate is arranged below the second mounting plate, and the upper side brush plate is arranged below the second fixing plate;
a first fixing column, a second fixing column, a third fixing column and a fourth fixing column are sequentially arranged on the second fixing plate from front to back;
the cross section of the first fixing column is circular, a first gear is arranged on the first fixing column, a second gear is arranged below the first gear, and the first gear and the second gear are of an integrated structure;
the cross section of the second fixing column is circular, a third gear is mounted on the second fixing column, and the second gear is in meshed connection with the third gear;
a first rack is arranged on one side of the lower part of the second mounting plate, the first rack is meshed and connected with the first gear, a second rack is arranged on one side of the upper part of the upper side brush plate, and the second rack is meshed and connected with the third gear;
the elastic connecting piece adopts a second torsion spring, the lower part of the second mounting plate is provided with a fifth fixing column, the middle part of the second torsion spring is sleeved on the third fixing column, one side part of the second torsion spring supports against the fourth fixing column, and the other side part of the second torsion spring supports against the fifth fixing column.
The forward moving distance of the second rack is half of the forward moving distance of the first rack.
The second mounting plate and the first rack are of an integrated structure, and the upper side brush plate and the second rack are of an integrated structure.
The rear portion of the second mounting plate is provided with a second groove, the width of the second groove is gradually increased from front to back, and the front portion of the brush head handle is arranged in the second groove.
When in tooth brushing, the front face of the toothbrush is placed in an oral cavity, the front part of the brush head handle is rotationally connected with the first rotating shaft, a user pushes the brush head handle along the tooth brushing direction, the brush head handle rotates, the front part of the brush head handle pushes the side wall of the groove on the first mounting plate at the rear part of the front side brush plate, so that the front side brush plate moves forwards, the front side brush plate and the rear side brush plate move towards two sides along with the change of the tooth thickness, the thickness change between incisors and molars is self-adaptive, meanwhile, the front side brush plate plays the roles of pulling back and resetting through the elastic connecting piece, the bristles are tightened and attached to the teeth, and the self-adaptive effects of brush head expansion, attachment and free angle change are achieved through the matching and the effects of the parts; in this design, through drive mechanism interlock between upside brush board and the front side brush board, when the antedisplacement of front side brush board, drive mechanism drives the same antedisplacement motion that takes place of upside brush board, and then makes the brush hair of upside brush board below be located the position in the middle of tooth upper portion, does benefit to the cleanness to the tooth upper surface, and the ditch groove that is applicable to middle part on the molar upper surface comparatively cleans.
The utility model provides an adjustable upside brush hair position's surrounding type toothbrush through this design, surrounding type effect and along with the thickness change of incisor to the molar that produce through trilateral brush hair, the tooth cleaning demand of the crowd of different oral cavities and tooth size is satisfied to the self-adaptation effect of brush hair automatic laminating, the clean problem in the region that should not brush in the tooth inboard has been solved in trilateral brush hair's design, avoid various bad habits of brushing teeth to produce, the user no longer need initiatively change brush head position and look for clean point, only need promote the brush head can accomplish the overall process of brushing teeth, simplify the process of brushing teeth, the efficiency of brushing teeth has been improved; meanwhile, the bristles below the upper brush plate are maintained at the middle position of the upper part of the teeth, so that the upper surfaces of the teeth are cleaned conveniently, and the cleaning effect is improved.
Drawings
FIG. 1 is a schematic view of a part of the structure of the present invention;
fig. 2 is a schematic exploded view of a part of a first embodiment of the present invention;
fig. 3 is a schematic view of a part of the structure of the connecting rod according to the first embodiment of the present invention;
fig. 4 is a schematic view of a part of the structure of the rear brush plate according to the first embodiment of the present invention;
FIG. 5 is a schematic view of a part of the upper brush plate according to a first embodiment of the present invention;
FIG. 6 is a schematic view of a partial structure of a front brush plate according to a first embodiment of the present invention;
fig. 7 is a partial schematic structural view of a second embodiment of the present invention;
fig. 8 is a partially exploded view of a second embodiment of the present invention;
fig. 9 is a side view of a part of the first gear according to the second embodiment of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 9, a surrounding toothbrush capable of adjusting the position of upper bristles comprises an electric toothbrush, wherein the electric toothbrush comprises a brush head, the brush head comprises a brush head handle 1, the front part of the brush head handle is provided with an upper brush plate 4, a front brush plate 2 and a rear brush plate 3, the lower surface of the upper brush plate is provided with bristles, the rear side surface of the front brush plate is provided with bristles, and the front side surface of the rear brush plate is provided with bristles; the upper part of the rear side brush plate is provided with a first rotating shaft, the front part of the brush head handle is provided with a first rotating shaft hole, and the first rotating shaft penetrates into the first rotating shaft hole; the upper side brush plate is connected with the front side brush plate through a transmission mechanism, the transmission mechanism comprises an elastic connecting piece for enabling the front side brush plate to reset, and the elastic connecting piece is arranged between the front side brush plate and the rear side brush plate. In this design, through drive mechanism interlock between upside brush board and the front side brush board, when the antedisplacement of front side brush board, drive mechanism drives the same antedisplacement motion that takes place of upside brush board, and then makes the brush hair of upside brush board below be located the position in the middle of tooth upper portion, does benefit to the cleanness to the tooth upper surface, and the ditch groove that is applicable to middle part on the molar upper surface comparatively cleans. Through the design, the utility model provides an encircling toothbrush capable of adjusting the position of upper side bristles, the encircling effect generated by three-side bristles and the self-adaptive effect of automatic lamination of the bristles along with the thickness change from incisors to molars meet the tooth cleaning requirements of people with different oral cavities and tooth sizes, the design of the three-side bristles solves the cleaning problem of areas which are not suitable for brushing the inner sides of teeth, and avoids various bad tooth brushing habits; meanwhile, the bristles below the upper brush plate are maintained at the middle position of the upper part of the teeth, so that the upper surfaces of the teeth are cleaned conveniently, and the cleaning effect is improved.
The first embodiment is as follows:
as shown in fig. 1 to 6, a surrounding toothbrush capable of adjusting the position of upper bristles comprises an electric toothbrush, wherein the electric toothbrush comprises a brush head, the brush head comprises a brush head handle, the front part of the brush head handle is provided with an upper brush plate, a front brush plate and a rear brush plate, the lower surface of the upper brush plate is provided with bristles, the rear side surface of the front brush plate is provided with bristles, and the front side surface of the rear brush plate is provided with bristles; the upper part of the rear brush plate is provided with a first rotating shaft 22, the front part of the brush head handle is provided with a first rotating shaft hole 10, and the first rotating shaft penetrates into the first rotating shaft hole; the rear part of the front side brush plate is provided with a first mounting plate 5; the upper side brush plate is linked with the front side brush plate through a transmission mechanism, the transmission mechanism comprises an elastic connecting piece for resetting the front side brush plate, and the elastic connecting piece is arranged between the front side brush plate and the rear side brush plate; the front part of the rear side brush plate is provided with a first fixing plate 14, the first fixing plate is provided with a first sliding chute 21, the upper side brush plate is arranged in the first sliding chute, and the length of the first sliding chute is greater than that of the upper side brush plate; the lower part of the first mounting plate is provided with two mounting bars 25 which are respectively arranged on the two side parts of the first mounting plate, the mounting bars are provided with second sliding chutes 26, and the outer side part of the first fixing plate is arranged in the second sliding chutes; a second rotating shaft 18 is arranged on one side part of the first fixing plate, the transmission mechanism comprises a connecting rod 8, a second rotating shaft hole 15 is arranged on one side part of the connecting rod, the second rotating shaft penetrates into the second rotating shaft hole, a strip-shaped opening 16 is arranged on the other side part of the connecting rod, an upright post 23 is arranged on the upper surface of the upper side brush plate, and the upright post penetrates into the strip-shaped opening; the transmission mechanism comprises a pin 9, the first mounting plate is provided with a mounting hole 6, the upper part of the pin penetrates into the mounting hole, the lower part of the pin penetrates into the strip-shaped opening, and the upright post is positioned between the pin and the second rotating shaft; the elastic connecting piece adopts a first torsion spring 7, a fixed shaft 19 is arranged on one side part of the first fixed plate close to the second rotating shaft, a block-shaped bulge 20 is arranged on the front part of the first fixed plate, the middle part of the first torsion spring is sleeved on the fixed shaft, one side part of the first torsion spring supports against the block-shaped bulge, and the other side part of the first torsion spring supports against the connecting rod. In the design, the transmission mechanism adopts components such as a connecting rod, when the front side brush plate moves forwards, the pin drives the connecting rod to rotate around the second rotating shaft by a certain angle, the connecting rod pushes the stand column to move forwards, the upper side brush plate can slide in the first chute, and then the stand column drives the upper side brush plate to move forwards as well; meanwhile, the spring ring in the middle of the first torsion spring is sleeved on the fixed shaft, one side part of the spring ring abuts against the connecting rod, when one side part of the connecting rod rotates and moves forwards, the first torsion spring is compressed, the first torsion spring generates acting force for pushing the connecting rod back due to elasticity, the front side brush plate is pulled back and reset, and the bristles are tightened to be attached to teeth.
The second rotating shaft and the pin are respectively arranged at two side parts of the connecting rod, and the upright post is positioned in the middle of the connecting rod. When the upright post further drives the upper brush plate to move, the brush hair below the upper brush plate is positioned at the middle of the upper part of the teeth.
In order to guarantee structural strength, first mounting panel adopts the integral structure with the mounting bar. A notch convenient for the movement of the connecting rod is arranged on the mounting strip far away from the second rotating shaft. The connecting rod rotates around the second rotating shaft at a certain angle, the motion track of one side part of the connecting rod far away from the second rotating shaft is arc-shaped, and the connecting rod is convenient to move by arranging the notch.
In order to ensure the using effect of the first torsion spring, a bulge 17 is arranged on one side surface of the connecting rod close to the first torsion spring, and the cross section of the bulge is semicircular. One side surface of the block-shaped bulge close to the first torsion spring is obliquely arranged.
Because the upper brush plate is arranged in the first sliding chute and the outer side part of the first fixed plate is arranged in the second sliding chute, the width of the upper brush plate is gradually reduced from top to bottom in order to reduce the volume of the toothbrush head; the width of the first fixing plate is gradually reduced from top to bottom.
The first rotating shaft is in an inverted round table shape. The front part of the brush head handle is provided with a mounting groove 11, the width of the rear part of the mounting groove is larger than that of the upper part of the rotating shaft, the width of the front part of the mounting groove is gradually reduced from top to bottom, and the front part of the mounting groove is communicated with the first rotating shaft hole; the front part of the brush head handle is provided with an embedded block 13 which is clamped into the mounting groove, the front part of the embedded block is provided with a contact surface which is used for supporting the first rotating shaft, and the contact surface adopts an arc surface. The brush head handle is provided with an insertion hole, and the rear part of the embedding block is provided with a plug 12 for being inserted into the insertion hole. The first rotating shaft in the shape of a circular truncated cone ensures the connection strength of the brush head handle and the rear brush plate. During the installation, first axis of rotation penetrates the rear portion of mounting groove and slides in to first pivot hole through the front portion of mounting groove, will inlay the piece card again and go into in the mounting groove to avoid embedding the piece through the plug and drop from the mounting groove.
In order to guarantee the cleaning effect, the bristles arranged on the lower surface of the upper side brush plate are vertically arranged, the bristles arranged on the rear side surface of the front side brush plate are obliquely arranged, and the bristles arranged on the front side surface of the rear side brush plate are obliquely arranged.
The rear part of the first mounting plate is provided with a first groove 24, the width of the first groove is gradually increased from front to back, and the front part of the brush head handle is arranged in the first groove. When the toothbrush is used for brushing teeth, the front face of the toothbrush is placed in an oral cavity, the front part of the brush head handle is rotatably connected with the first rotating shaft, a user pushes the brush head handle along the tooth brushing direction, the brush head handle rotates, the front part of the brush head handle pushes the side wall of the first groove on the first mounting plate at the rear part of the front side brush plate, so that the front side brush plate moves forwards, the front side brush plate and the rear side brush plate expand towards two sides along with the change of the tooth thickness, the self-adaption is generated for the thickness change between incisors and molars, meanwhile, the front side brush plate is pulled back and reset through the first torsion spring, the bristles are tightened and attached to the teeth, and the self-adaption effects of brush head expansion, attachment and free angle change are achieved through the matching and the action of the parts; the user does not need to actively change the position of the brush head to search for a cleaning point, and can complete the whole process of tooth brushing by only pushing the brush head, thereby simplifying the tooth brushing process and improving the tooth brushing efficiency.
The second embodiment is as follows:
as shown in fig. 1 and 7 to 9, a surrounding toothbrush capable of adjusting the position of upper bristles comprises an electric toothbrush, wherein the electric toothbrush comprises a brush head, the brush head comprises a brush head handle, the front part of the brush head handle is provided with an upper brush plate, a front brush plate and a rear brush plate, the lower surface of the upper brush plate is provided with bristles, the rear side surface of the front brush plate is provided with bristles, and the front side surface of the rear brush plate is provided with bristles; the upper part of the rear side brush plate is provided with a first rotating shaft, the front part of the brush head handle is provided with a first rotating shaft hole, and the first rotating shaft penetrates into the first rotating shaft hole; the upper side brush plate is linked with the front side brush plate through a transmission mechanism, the transmission mechanism comprises an elastic connecting piece for resetting the front side brush plate, and the elastic connecting piece is arranged between the front side brush plate and the rear side brush plate; the rear part of the front side brush plate is provided with a second mounting plate, the front part of the rear side brush plate is provided with a second fixing plate 37, the second fixing plate is arranged below the first mounting plate, and the upper side brush plate is arranged below the second fixing plate; a first fixing column 36, a second fixing column 35, a third fixing column 33 and a fourth fixing column 34 are sequentially arranged on the second fixing plate from front to back; the cross section of the first fixed column is circular, a first gear 28 is arranged on the first fixed column, a second gear 29 is arranged below the first gear, and the first gear and the second gear are of an integrated structure; the cross section of the second fixing column is circular, a third gear 30 is arranged on the second fixing column, and the second gear is in meshed connection with the third gear; a first rack 27 is arranged on one side of the lower part of the first mounting plate, the first rack is meshed and connected with a first gear, a second rack 38 is arranged on one side of the upper part of the upper side brush plate, and the second rack is meshed and connected with a third gear; the elastic connecting piece adopts a second torsion spring 32, a fifth fixing column 31 is arranged at the lower part of the first mounting plate, the middle part of the second torsion spring is sleeved on the third fixing column, one side part of the second torsion spring is propped against the fourth fixing column, and the other side part of the second torsion spring is propped against the fifth fixing column. In the design, the transmission mechanism adopts components such as a first gear and the like, so that when the front side brush plate moves forwards, the first rack on the front side brush plate drives the first gear to rotate, the first gear and the second gear are integrated, the second gear drives the third gear to rotate, the third gear drives the second rack on the upper side brush plate to move forwards, and then the second gear drives the upper side brush plate to move forwards, so that bristles below the upper side brush plate are positioned at the middle position of the upper part of teeth, and the upper surface of the teeth is favorably cleaned; meanwhile, a spring ring in the middle of the second torsion spring is sleeved on the third fixed column, one side part of the spring ring props against the fifth fixed column, when the front side brush plate moves forwards, the fifth fixed column on the front side brush plate stretches the second torsion spring, and the second torsion spring generates acting force for pulling back the fifth fixed column due to elasticity, so that the front side brush plate is pulled back and reset, bristles are tightened, and the front side brush plate is attached to teeth; by adopting the gear transmission mechanism, the forward moving distance of the upper side brush plate can be better controlled.
When the front side brush plate moves forwards, the forward movement distance of the second rack is half of the forward movement distance of the first rack. Or, when the size of the gear teeth on the first gear is the same as the size of the gear teeth on the second gear, the number of gear teeth on the second gear is one-half of the number of gear teeth on the first gear. When the front side brush plate drives the upper side brush plate to move, the forward movement distance of the front side brush plate is twice of that of the upper side brush plate, and then the bristles below the upper side brush plate are maintained at the middle position of the upper part of teeth, so that the cleaning effect is ensured.
The second mounting plate and the first rack are of an integrated structure, and the upper side brush plate and the second rack are of an integrated structure. To ensure the structural strength of the brush head.
In order to facilitate the assembly of the brush head, a through hole for inserting the fifth fixing column is formed in the first mounting plate. And then the fifth fixed column can be detachably connected with the first mounting plate through the design.
The first rotating shaft is in an inverted round table shape. The front part of the brush head handle is provided with a mounting groove, the width of the rear part of the mounting groove is larger than that of the upper part of the rotating shaft, the width of the front part of the mounting groove is gradually reduced from top to bottom, and the front part of the mounting groove is communicated with the first rotating shaft hole; the front part of the brush head handle is provided with an embedding block which is clamped into the mounting groove, the front part of the embedding block is provided with a contact surface which is used for abutting against the first rotating shaft, and the contact surface adopts an arc surface. The brush head handle is provided with an insertion hole, and the rear part of the embedding block is provided with a plug inserted into the insertion hole. The first rotating shaft in the shape of a circular truncated cone ensures the connection strength of the brush head handle and the rear brush plate. During the installation, first axis of rotation penetrates the rear portion of mounting groove and slides in to first pivot hole through the front portion of mounting groove, will inlay the piece card again and go into in the mounting groove to avoid embedding the piece through the plug and drop from the mounting groove.
In order to guarantee the cleaning effect, the bristles arranged on the lower surface of the upper side brush plate are vertically arranged, the bristles arranged on the rear side surface of the front side brush plate are obliquely arranged, and the bristles arranged on the front side surface of the rear side brush plate are obliquely arranged.
The rear part of the second mounting plate is provided with a second groove, the width of the second groove is gradually increased from front to back, and the front part of the brush head handle is arranged in the second groove. When the toothbrush is used for brushing teeth, the front face of the toothbrush is placed in an oral cavity, the front part of the brush head handle is rotatably connected with the first rotating shaft, a user pushes the brush head handle along the tooth brushing direction, the brush head handle rotates, the front part of the brush head handle pushes the side wall of the groove on the second mounting plate at the rear part of the front side brush plate, so that the front side brush plate moves forwards, the front side brush plate and the rear side brush plate expand towards two sides along with the change of the thickness of teeth, the self-adaption is generated for the thickness change between incisors and molars, meanwhile, the second torsion spring plays the roles of pulling back and resetting the front side brush plate, the bristles are tightened and attached to the teeth, and the self-adaption effects of brush head expansion, attachment and free angle change are achieved through the cooperation and the effects of the parts; the user does not need to actively change the position of the brush head to search for a cleaning point, and can complete the whole process of tooth brushing by only pushing the brush head, thereby simplifying the tooth brushing process and improving the tooth brushing efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A surrounding type toothbrush capable of adjusting the position of upper side bristles comprises an electric toothbrush, wherein the electric toothbrush comprises a brush head, and the surrounding type toothbrush is characterized in that the brush head comprises a brush head handle, an upper side brush plate, a front side brush plate and a rear side brush plate are arranged at the front part of the brush head handle, bristles are arranged on the lower surface of the upper side brush plate, bristles are arranged on the rear side surface of the front side brush plate, and bristles are arranged on the front side surface of the rear side brush plate;
the upper part of the rear side brush plate is provided with a first rotating shaft, the front part of the brush head handle is provided with a first rotating shaft hole, and the first rotating shaft penetrates into the first rotating shaft hole;
the upper side brush plate is connected with the front side brush plate through a transmission mechanism, the transmission mechanism comprises an elastic connecting piece used for enabling the front side brush plate to reset, and the elastic connecting piece is arranged between the front side brush plate and the rear side brush plate.
2. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 1, wherein a first fixing plate is provided at a front portion of the rear brush plate, a first slide groove is provided on the first fixing plate, and the upper brush plate is disposed in the first slide groove;
the rear part of the front side brush plate is provided with a first mounting plate, the lower part of the first mounting plate is provided with two mounting strips, the two mounting strips are respectively arranged on two side parts of the first mounting plate, the mounting strips are provided with second sliding grooves, and the outer side part of the first fixing plate is arranged in the second sliding grooves;
a second rotating shaft is arranged on one side part of the first fixing plate, the transmission mechanism comprises a connecting rod, a second rotating shaft hole is formed in one side part of the connecting rod, the second rotating shaft penetrates into the second rotating shaft hole, a strip-shaped opening is formed in the other side part of the connecting rod, an upright post is arranged on the upper surface of the upper side brush plate, and the upright post penetrates into the strip-shaped opening;
the transmission mechanism comprises a pin, a mounting hole is formed in the first mounting plate, the upper portion of the pin penetrates into the mounting hole, the lower portion of the pin penetrates into the strip-shaped opening, and the stand column is located between the pin and the second rotating shaft;
elastic connection spare adopts first torsional spring, is close to the second axis of rotation be equipped with a fixed axle on one side portion of first fixed plate, the front portion of first fixed plate is equipped with the lump arch, the middle part cover of first torsional spring is established on the fixed axle, one side portion of first torsional spring supports the lump arch, another lateral part of first torsional spring supports the connecting rod.
3. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 2, wherein the second rotating shaft and the pin are respectively provided at both side portions of the link, and the pillar is located at a central portion of the link.
4. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 2, wherein a protrusion having a semicircular cross section is provided on one side surface of the link rod adjacent to the first torsion spring.
5. The wrap around toothbrush having an adjustable upper bristle position according to claim 2, wherein the upper brush plate has a width gradually decreasing from top to bottom; the width of first fixed plate reduces from top to bottom gradually.
6. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 2, wherein the first rotating shaft has an inverted circular truncated cone shape.
7. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 2, wherein a rear portion of the first mounting plate is provided with a first groove having a width gradually increasing from front to rear, and a front portion of the head holder is disposed in the first groove.
8. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 1, wherein a second mounting plate is provided at a rear portion of the front brush plate, a second fixing plate is provided at a front portion of the rear brush plate, the second fixing plate is provided below the second mounting plate, and the upper brush plate is provided below the second fixing plate;
a first fixing column, a second fixing column, a third fixing column and a fourth fixing column are sequentially arranged on the second fixing plate from front to back;
the cross section of the first fixing column is circular, a first gear is arranged on the first fixing column, a second gear is arranged below the first gear, and the first gear and the second gear are of an integrated structure;
the cross section of the second fixing column is circular, a third gear is mounted on the second fixing column, and the second gear is in meshed connection with the third gear;
a first rack is arranged on one side of the lower part of the second mounting plate, the first rack is meshed and connected with the first gear, a second rack is arranged on one side of the upper part of the upper side brush plate, and the second rack is meshed and connected with the third gear;
the elastic connecting piece adopts a second torsion spring, the lower part of the second mounting plate is provided with a fifth fixing column, the middle part of the second torsion spring is sleeved on the third fixing column, one side part of the second torsion spring supports against the fourth fixing column, and the other side part of the second torsion spring supports against the fifth fixing column.
9. The adjustable upper bristle position wrap around toothbrush of claim 8, wherein the teeth on the first gear are the same size as the teeth on the second gear, and wherein the number of teeth on the second gear is one-half of the number of teeth on the first gear.
10. The wraparound toothbrush capable of adjusting the position of upper bristles according to claim 8, wherein a rear portion of the second mounting plate is provided with a second groove having a width gradually increasing from front to rear, and a front portion of the head holder is disposed in the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223147.8U CN211863013U (en) | 2020-02-27 | 2020-02-27 | Surrounding type toothbrush capable of adjusting position of upper side bristles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223147.8U CN211863013U (en) | 2020-02-27 | 2020-02-27 | Surrounding type toothbrush capable of adjusting position of upper side bristles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211863013U true CN211863013U (en) | 2020-11-06 |
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ID=73255394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020223147.8U Active CN211863013U (en) | 2020-02-27 | 2020-02-27 | Surrounding type toothbrush capable of adjusting position of upper side bristles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211863013U (en) |
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2020
- 2020-02-27 CN CN202020223147.8U patent/CN211863013U/en active Active
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