CN211023246U - Toothbrush head convenient to change brush hair structure - Google Patents
Toothbrush head convenient to change brush hair structure Download PDFInfo
- Publication number
- CN211023246U CN211023246U CN201921470887.5U CN201921470887U CN211023246U CN 211023246 U CN211023246 U CN 211023246U CN 201921470887 U CN201921470887 U CN 201921470887U CN 211023246 U CN211023246 U CN 211023246U
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- rotating shaft
- hole
- toothbrush head
- bristle
- spring
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- 230000003806 hair structure Effects 0.000 title claims abstract description 17
- 230000008859 change Effects 0.000 title claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001680 brushing effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The patent of the utility model relates to a technical field of toothbrush head particularly, relates to toothbrush head convenient to change brush hair structure. The toothbrush head convenient for replacing the bristle structure comprises the bristle structure and a clamp spring which is fixedly arranged; the brush hair structure comprises a rotating shaft and a brush hair part fixed on the rotating shaft, the clamp spring is provided with a through hole, and the through hole and the clamp spring are coaxially arranged; the rotating shaft is embedded into the through hole and detachably connected with the through hole, when the rotating shaft is positioned in the through hole, the rotating shaft and the through hole are relatively fixed, and the rotating shaft is separated from the through hole under the action of external force. The bristle structure is convenient to replace; the whole toothbrush head does not need to be replaced, so that the consumption cost of a consumer is reduced; meanwhile, the bristle structure is produced as an independent module, so that the production efficiency is improved.
Description
Technical Field
The patent of the utility model relates to a technical field of toothbrush head particularly, relates to toothbrush head convenient to change brush hair structure.
Background
Clean teeth are brushed, most of the electric toothbrushes in the market are in high-frequency vibration mode, and a few of the electric toothbrushes are in rotation mode; even the rotary type operation mode is a rotary pendulum type (45 ° left-right swing). The tooth brushing needs to be clean, and the use is convenient, quick and comfortable during tooth brushing. To meet this standard requirement, changes in the brushing tool are particularly important.
Traditional toothbrush head includes brush hair structure and drive structure, and the brush hair structure is fixed on drive structure, and drive structure receives motor drive, drives the work of brush hair structure.
In the toothbrush head, the bristle structure is fixed on the transmission structure, when the bristle structure is damaged or the service life is long, the whole electric toothbrush head needs to be replaced, the bristle structure cannot be replaced independently, waste is caused, and the consumption cost of consumers is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a toothbrush head convenient to change brush hair structure aims at solving prior art, the unable problem of changing of brush hair structure of toothbrush head.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
a toothbrush head convenient for replacing a bristle structure comprises the bristle structure and a clamp spring which is fixedly arranged;
the brush hair structure comprises a rotating shaft and a brush hair part fixed on the rotating shaft, the clamp spring is provided with a through hole, and the through hole and the clamp spring are coaxially arranged;
the rotating shaft is embedded into the through hole, the rotating shaft is detachably connected with the through hole, when the rotating shaft is positioned in the through hole, the rotating shaft and the through hole are relatively fixed, and the rotating shaft is separated from the through hole under the action of external force.
Preferably, the rotation shaft is in elastic contact with an inner wall of the through hole.
Preferably, the side wall of the clamp spring comprises a clamping piece, and after the rotating shaft is arranged in the through hole in a penetrating way, the clamping piece is in elastic contact with the rotating shaft, and the clamping piece clamps the rotating shaft; when the bristle structure bears external force, the rotating shaft is separated from the clamp spring.
Preferably, the lower tip of jump ring has the breach strip, the breach strip along the axial extension of jump ring arranges to form the opening at the jump ring lower extreme, the breach strip runs through along from inside to outside direction the lateral wall of jump ring makes the lateral wall that is located breach strip both sides of the lower tip of jump ring forms and presss from both sides tight piece.
Preferably, the through hole penetrates through the clamp spring from top to bottom, the inner wall surface of the lower end portion of the clamp spring protrudes inwards to form a convex body, and the surface of the convex body is attached to the outer peripheral surface of the rotating shaft.
Preferably, a connecting part is formed at the transition position of the inner wall surface of the clamp spring and the surface of the convex body, and the connecting part is obliquely arranged.
Preferably, the clamp spring is provided with a downward lower end face, and the inner circumference of the lower end face of the clamp spring is arranged in an arc shape.
Preferably, still including being used for driving the rotatory transmission structure of brush hair structure, transmission structure includes the sleeve, the sleeve cover is established on the jump ring, the sleeve has the orientation brush hair portion extends the last section of thick bamboo of arranging, go up the internal face of section of thick bamboo and inwards bulge and form the bellying, the jump ring has the orientation brush hair portion's upper end, the bellying with the upper end is fixed arrangement.
Preferably, the sleeve has a downward tube opening, the tube opening shrinks inward to form a limiting ring, and the inner diameter of the limiting ring is smaller than the diameter of the rotating shaft.
Preferably, still including being used for the parcel the jump ring and drive structure's casing, have the disassembly hole on the casing, the disassembly hole with the perforating hole is just to arranging.
(III) advantageous effects
The utility model has the advantages that: compared with the prior art, the utility model provides a toothbrush head convenient to change brush hair structure is connected through the dismantlement formula of rotation axis and through hole, and when the rotation axis was located the through hole, rotation axis and through hole relatively fixed, under the exogenic action, rotation axis and through hole separation. The bristle structure is convenient to replace; the whole toothbrush head does not need to be replaced, so that the consumption cost of a consumer is reduced; meanwhile, the bristle structure is produced as an independent module, so that the production efficiency is improved.
Drawings
FIG. 1 is a partial front elevational view of a toothbrush head provided with a bristle structure that is easily replaceable;
FIG. 2 is a sectional view of the toothbrush head with the structure of the brush hair convenient to replace provided by the utility model;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
FIG. 4 is a perspective view of a toothbrush head of the present invention with a bristle configuration that is easily replaceable;
fig. 5 is a schematic perspective view of the clamp spring provided by the present invention.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-5, the preferred embodiment of the present invention is shown.
The toothbrush head with the bristle structure convenient to replace provided by the embodiment can be applied to an electric toothbrush, and of course, the toothbrush head can also be applied to a common toothbrush, and is not limited to the application in the embodiment.
Toothbrush head convenient to change brush hair structure includes the brush hair structure and is fixed arrangement's jump ring 11, and the brush hair structure includes rotation axis 14 and fixes brush hair portion 15 on the rotation axis 14, jump ring 11 has the perforating hole, perforating hole and 11 coaxial settings of jump ring. The rotating shaft 14 is inserted into the through hole, the rotating shaft is detachably connected with the through hole, when the rotating shaft is positioned in the through hole, the rotating shaft and the through hole are relatively fixed, and the rotating shaft and the through hole are separated under the action of external force. The rotating shaft is detachably connected with the through hole and can be clamped, connected by threads and the like.
The rotary shaft 14 is in contact with the elastic inner wall of the through hole. The contact between the rotating shaft 14 and the elastic inner wall of the through hole is a specific realization mode of clamping the rotating shaft and the elastic inner wall of the through hole. The elastic contact between the rotating shaft 14 and the inner wall of the through hole means that the through hole applies a clamping force along the radial direction of the rotating shaft to the rotating shaft 14 and/or a tensioning force along the radial direction of the rotating shaft to the through hole of the rotating shaft 14. The elastic contact between the rotating shaft 14 and the inner wall of the through hole is to realize the detachable connection between the rotating shaft 14 and the through hole, that is, after the rotating shaft 14 is inserted into the through hole, the rotating shaft 14 is fixed relative to the snap spring, when an external force is applied to the rotating shaft 14, the rotating shaft 14 can be separated from the snap spring, and the external force applied to the rotating shaft may be a force along the axial direction of the rotating shaft 14.
In the present embodiment, the rotation shaft 14 is elastically contacted with the through hole, and the circlip is provided as an elastic member and/or the rotation shaft 14 is provided as an elastic member. In the present embodiment, a rotation shaft is exemplified as an elastic member.
The clamp spring 11 forms a lower end portion, the lower end portion comprises two clamping pieces 12, the clamping pieces 12 are elastic components, the arrangement of the two clamping pieces 12 on the clamp spring 11 is an optimal scheme, and the number of the clamping pieces 12 can be adjusted according to actual needs. When the rotating shaft 14 of the bristle structure penetrates through the clamp spring 11, the two clamping pieces 12 apply clamping force to the rotating shaft 14 along the radial direction of the rotating shaft 14 and clamp the bristle structure; when the bristle structure is subjected to an external force, the rotating shaft 14 of the bristle structure overcomes the clamping force applied by the clamp spring 11 and is separated from the clamp spring 11.
In the toothbrush head convenient for replacing the bristle structure, the clamp spring 11 forms the lower end part, the lower end part comprises the two clamping pieces 12, when the rotary bristle structure penetrates through the clamp spring 11, the two clamping pieces 12 clamp the bristle structure, and when the bristle structure is subjected to external force, the bristle structure is separated from the clamp spring 11, so that the bristle structure is convenient to replace; the whole toothbrush head does not need to be replaced, so that the consumption cost of a consumer is reduced; meanwhile, the bristle structure is produced as an independent module, so that the production efficiency is improved.
The lower tip of jump ring 11 has breach strip 13, and breach strip 13 arranges along jump ring 11's axial extension, and breach strip 13 runs through jump ring 11's lateral wall, makes the lateral wall of the lower tip of jump ring 11 form two and press from both sides tight piece 12, and is concrete, breach strip 13 and form the opening at the jump ring lower extreme, breach strip is followed from inside to outside direction and is run through the lateral wall of jump ring, the lateral wall that is located breach strip both sides of the lower tip of spring forms and presss from both sides tight piece.
The notch strip 13 penetrates through the side wall of the clamp spring 11, so that the side wall forms two clamping pieces 12, when the rotating shaft 14 is inserted into the through hole, the two clamping pieces 12 clamp the rotating shaft 14 due to the elastic force, and the rotating shaft 14 is fixed and supported.
The circlip 11 has a through hole which penetrates the circlip 11 from top to bottom, the rotating shaft 14 is inserted into the through hole, the inner wall surface of the lower end part of the circlip 11 protrudes inwards to form a convex body 16, and the surface of the convex body 16 is attached to the outer peripheral surface of the rotating shaft 14.
When the rotating shaft 14 is inserted into the through hole, the surface of the convex body 16 is attached to the outer peripheral surface of the rotating shaft 14, the rotating shaft 14 expands the lower end part of the snap spring 11, namely, the two clamping pieces 12 are expanded, the two clamping pieces 12 clamp the rotating shaft 14 under the action of elastic force, so that the clamping effect on the rotating shaft 14 is realized, and meanwhile, the bristle structure can be separated from the snap spring 11 only by separating the rotating shaft 14 from the clamping pieces 12, so that the replacement of the bristle structure is realized.
The connecting portion 17 is formed at the transition position between the inner wall surface of the clamp spring 11 and the surface of the convex body 16, the connecting portion 17 is arranged in an inclined mode, when the rotating shaft 14 is pushed to retreat from the clamp spring 11, the connecting portion 17 arranged in an inclined mode can avoid the rotating shaft 14 from being blocked when passing through the connecting portion 17, and operation difficulty in separating the rotating shaft 14 from the clamp spring 11 is reduced.
The clamp spring 11 is provided with a downward lower end face, the inner circumference of the lower end face of the clamp spring 11 is arranged in an arc shape, and when the rotating shaft 14 is pushed out of the through hole of the clamp spring 11 by a tool, the inner circumference in the arc shape facilitates the correction and alignment of the tool and the through hole.
The electric toothbrush head further comprises a transmission structure used for driving the bristle structure to rotate, the transmission structure comprises a sleeve 18, the sleeve 18 is sleeved on the clamp spring 11, the sleeve 18 is provided with an upper barrel portion arranged towards the bristle portion 15 in an extending mode, the inner wall surface of the upper barrel portion protrudes inwards to form a protruding portion 19, the clamp spring 11 is provided with an upper end portion towards the bristle portion 15, and the protruding portion 19 and the upper end portion are fixedly arranged. The outside of jump ring 11 still is provided with the ring channel, when jump ring 11 and sleeve 18 cooperate, can add glue in the ring channel to improve both's cooperation intensity.
The sleeve 18 is sleeved on the clamp spring 11, the protruding portion 19 of the sleeve 18 is fixedly arranged with the upper end portion of the clamp spring 11, and when the sleeve 18 rotates, the clamp spring 11 rotates along with the sleeve 18, so that the bristle structure is driven to rotate.
The sleeve 18 has a downward opening which is inwardly tapered to form a stop collar 20, and the inner diameter of the stop collar 20 is smaller than the diameter of the rotating shaft 14.
When the rotating shaft 14 is inserted into the through hole of the clamp spring 11, the position where the rotating shaft 14 is inserted is prevented from being too deep and exceeding the position of the opening of the sleeve 18 by the limiting ring 20, so that the position of the rotating shaft 14 is limited.
The electric toothbrush head further comprises a shell 21 used for wrapping the clamp spring 11 and the transmission structure, a dismounting hole 22 is formed in the shell 21, and the dismounting hole 22 is arranged opposite to the through hole.
After the shell 21 wraps the clamp spring 11 and the transmission structure, a tool can be used for extending into the through hole of the clamp spring 11 through the dismounting hole 22, and the rotating shaft 14 is pushed upwards, so that the rotating shaft 14 exits from the through hole, the separation of the bristle structure and the clamp spring 11 is realized, and the bristle structure is convenient to replace.
Along the direction from top to bottom, the diameter of the lower end of jump ring 11 reduces gradually, guarantees to have the clearance between the lower end of jump ring 11 and the sleeve 18, makes when rotation axis 14 imbeds jump ring 11, and two clamp plate 12 can normally strut, can not receive the hindrance of sleeve 18.
The rotating shaft 14 is provided with a bottom surface deviating from the bristle part 15, the periphery of the bottom surface of the rotating shaft 14 is arranged in an arc shape, and when the rotating shaft 14 is embedded into the clamp spring 11, the friction force between the rotating shaft 14 and the clamp spring 11 is reduced by the periphery arranged in the arc shape, so that the operation difficulty of embedding the rotating shaft 14 into the clamp spring 11 is reduced.
The transmission structure further comprises a transmission shaft 23 which is horizontally arranged, gear teeth are arranged at the end part of the transmission shaft 23, a gear 24 is fixed on the outer peripheral surface of the sleeve 18, the gear teeth on the transmission shaft 23 are meshed with the gear 24 on the sleeve 18, the transmission shaft 23 is driven by a motor, after the motor rotates, the rotation of the bristle structure is finally realized through the transmission structure, and the bristle part 15 realizes the function of cleaning teeth.
The shaft sleeve 25 is fixed in the shell 21, the transmission shaft 23 penetrates through the shaft sleeve 25, bearings are arranged at two ends of the inner wall surface of the shaft sleeve 25 respectively, two ends of the transmission shaft 23 are fixedly arranged with the bearings respectively, the shaft sleeve 25 is fixed, and the transmission shaft 23 rotates in the shaft sleeve 25, so that the axle center precision of the transmission shaft 23 is improved, and meanwhile, the noise generated when the transmission shaft 23 rotates is reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
The technical principles of the present invention have been described above with reference to specific embodiments, which are intended to explain the principles of the present invention and should not be interpreted as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A toothbrush head convenient for replacing a bristle structure is characterized by comprising the bristle structure and a clamp spring which is fixedly arranged;
the brush hair structure comprises a rotating shaft and a brush hair part fixed on the rotating shaft, the clamp spring is provided with a through hole, and the through hole and the clamp spring are coaxially arranged;
the rotating shaft is embedded into the through hole and detachably connected with the through hole, when the rotating shaft is positioned in the through hole, the rotating shaft and the through hole are relatively fixed, and the rotating shaft is separated from the through hole under the action of external force.
2. A toothbrush head with a readily replaceable bristle structure as claimed in claim 1, wherein the pivot shaft is in resilient contact with the inner wall of the through hole.
3. The toothbrush head convenient for changing the bristle structure of claim 2, wherein the side wall of the snap spring comprises a clamping piece, when the rotating shaft is arranged in the through hole, the clamping piece is elastically contacted with the rotating shaft, and the clamping piece clamps the rotating shaft; when the bristle structure bears external force, the rotating shaft is separated from the clamp spring.
4. The toothbrush head convenient for replacing the bristle structure of claim 3, wherein the lower end part of the snap spring is provided with a notch strip, the notch strip is arranged along the axial extension of the snap spring and forms an opening at the lower end of the snap spring, and the notch strip penetrates through the side wall of the snap spring from inside to outside, so that the side walls of the lower end part of the snap spring at two sides of the notch strip form clamping pieces.
5. The toothbrush head convenient for replacing the bristle structure of claim 4, wherein the through hole penetrates through the snap spring from top to bottom, the inner wall surface of the lower end part of the snap spring protrudes inwards to form a convex body, and the surface of the convex body is attached to the outer peripheral surface of the rotating shaft.
6. The toothbrush head with the conveniently-replaced bristle structure as claimed in claim 5, wherein the transition between the inner wall surface of the clamp spring and the surface of the convex body forms a connecting part, and the connecting part is arranged in an inclined manner.
7. A toothbrush head with an easily replaceable bristle structure as claimed in claim 1, wherein the latch spring has a downward lower end surface, and the inner circumference of the lower end surface of the latch spring is arranged in an arc shape.
8. The toothbrush head convenient to change the bristle structure of any one of claims 1 to 7, further comprising a transmission structure for driving the bristle structure to rotate, wherein the transmission structure comprises a sleeve sleeved on the snap spring, the sleeve is provided with an upper barrel part extending towards the bristle part, the inner wall surface of the upper barrel part protrudes inwards to form a protruding part, the snap spring is provided with an upper end part facing the bristle part, and the protruding part and the upper end part are fixedly arranged.
9. A toothbrush head according to claim 8 characterised in that the sleeve has a downwardly directed mouth which tapers inwardly to form a retaining collar having an internal diameter which is less than the diameter of the rotatable shaft.
10. The toothbrush head with the conveniently-replaced bristle structure of claim 9, further comprising a casing for wrapping the snap spring and the transmission structure, wherein the casing is provided with a detaching hole, and the detaching hole is arranged opposite to the through hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921260982 | 2019-08-01 | ||
| CN2019212609822 | 2019-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211023246U true CN211023246U (en) | 2020-07-17 |
Family
ID=71542404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921470887.5U Active CN211023246U (en) | 2019-08-01 | 2019-09-05 | Toothbrush head convenient to change brush hair structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211023246U (en) |
-
2019
- 2019-09-05 CN CN201921470887.5U patent/CN211023246U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dayawan Huizhou fly Technology Electronics Co.,Ltd. Assignor: Shenzhen Jieershu Technology Co.,Ltd. Contract record no.: X2021440000118 Denomination of utility model: The utility model relates to a toothbrush head which is convenient for replacing the bristle structure Granted publication date: 20200717 License type: Exclusive License Record date: 20210615 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CP03 | Change of name, title or address |
Address after: 518000, Building 2, Building 201-A75, Huahan Science and Technology Industrial Park, No. 19 Qiyun West Road, Heping Community, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kangchijie Technology Co.,Ltd. Country or region after: China Address before: 518000 201-a16, No.2 workshop, Huahan science and Technology Industrial Park, LanJin 4th Road, Pingshan Street Heping community, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Jieershu Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |