CN215306922U - Electric toothbrush with strong sealing key - Google Patents
Electric toothbrush with strong sealing key Download PDFInfo
- Publication number
- CN215306922U CN215306922U CN202120859034.1U CN202120859034U CN215306922U CN 215306922 U CN215306922 U CN 215306922U CN 202120859034 U CN202120859034 U CN 202120859034U CN 215306922 U CN215306922 U CN 215306922U
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- CN
- China
- Prior art keywords
- button
- key
- sealing
- cover
- electric toothbrush
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 94
- 238000001746 injection moulding Methods 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 17
- 238000010073 coating (rubber) Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
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Abstract
The utility model relates to an electric toothbrush with a strong sealing button. One end of the main body is provided with a brush rod, and the side surface of the brush rod is provided with a key hole. The electric device is arranged in the main body and used for supplying power to the toothbrush and enabling the brush head to generate high-frequency vibration. The button device comprises an on-off key, a key cover and a sealing gasket, wherein the on-off key is connected with the electric device and is positioned below the key hole. The sealing gasket is arranged between the on-off key and the key hole, an injection molding cavity is formed between the sealing gasket and the key hole, and the injection molding cavity is used for injection molding of the key cover, so that the key cover is ensured to be tightly attached to the key hole. Meanwhile, the sealing gasket and the key hole are sealed, and the waterproof effect is greatly improved.
Description
Technical Field
The utility model relates to the field of toothbrush equipment, in particular to an electric toothbrush with a strong sealing key.
Background
Electric toothbrush with sealed button by force with its convenient to use, advantages such as clean effect is better are popular, current electric toothbrush with sealed button by force generally comprises toothbrush head and handle, the handle embeds there are motor and power module, be equipped with the on & off switch on the power module, it has the key hole of holding control on & off switch button to open on the handle, the back has been assembled to the button, must have the space between button and the handle shell, liquid permeates the handle inside through the space easily during use, lead to inside motor and electronic components to damage easily. In the prior art, the position of a key hole is usually subjected to soft glue encapsulation, sealing and water proofing. Because the key hole has great area, if all adopt flexible glue rubber coating to handle, can lead to according to the key shell and the flexible glue layer dropout because the bonding is insecure, lead to the water-proof effects relatively poor.
It is desirable to provide a powered toothbrush with a strong sealing button to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an electric toothbrush with a strong sealing button. One end of the main body is provided with a brush rod, and the side surface of the brush rod is provided with a key hole. The electric device is arranged in the main body and used for supplying power to the toothbrush and enabling the brush head to generate high-frequency vibration. The button device comprises an on-off key, a key cover and a sealing gasket, wherein the on-off key is connected with the electric device and is positioned below the key hole. The sealing gasket is arranged between the on-off key and the key hole, an injection molding cavity is formed between the sealing gasket and the key hole, and the injection molding cavity is used for injection molding of the key cover, so that the key cover is ensured to be tightly attached to the key hole. Meanwhile, the sealing gasket and the key hole are sealed, the waterproof effect is greatly improved, and the problem that the button of the toothbrush is poor in waterproof effect due to the fact that the toothbrush is sealed and waterproof through the soft rubber coating in the prior art is solved.
In order to solve the above problems, the present invention comprises: an electric toothbrush having a strong seal button, comprising:
a main body: a brush rod is arranged at one end of the main body, and a key hole is formed in the side surface of the brush rod;
an electric device: disposed inside the body; and the number of the first and second groups,
a button device: the switch key is connected with the electric device and is positioned below the key hole; the sealing gasket is arranged between the on-off key and the key hole, an injection molding cavity is formed between the sealing gasket and the key hole, and the injection molding cavity is used for injection molding of the key cover.
In the electric toothbrush with the strong sealing key, one end of the side wall of the key hole, which is close to the sealing gasket, is provided with the positioning ring, the positioning ring is provided with the positioning groove, the key cover is provided with the positioning block which is embedded with the positioning groove, the sealing effect is improved, and the positioning ring also plays a role in supporting the key cover.
Furthermore, the width of one end, close to the inner wall of the main body, of the positioning groove is smaller than that of the other end of the positioning groove, so that resistance generated when the key cover presses the switch key is reduced, supporting force of the edge to the key cover is increased, and the waterproof effect is improved.
Furthermore, a groove is formed in the side wall of the positioning groove and communicated with the key hole, and therefore tightness and waterproof effect of the key cover and the main body are improved.
Further, the lateral wall of key hole is close to the one end of on & off switch still is provided with the spacing ring, the spacing ring is located the holding ring with between the on & off switch, the spacing ring with form between the holding ring and hold the chamber, sealed pad is located hold the intracavity. The limiting ring plays a supporting role for the sealing gasket, and the sealing gasket is prevented from being damaged during injection molding.
Preferably, a clamping groove is formed in the side wall of the key hole, and the key cover is connected with the main body in a buckling mode, so that the tightness and the waterproof effect of the key cover and the main body can be improved.
Furthermore, the key cover and the sealing gasket are both made of rubber, so that the service lives of the key cover and the sealing gasket are prolonged.
Furthermore, the shape of the key cover corresponds to the shape of the main body around the key hole, and the heights of the two sides of the key cover perpendicular to the axis of the main body are lower than the heights of the two sides of the key cover along the axis of the main body. The key cover is more attached to the main body, and the sealing effect is improved. The position of the switch key can be highlighted, so that the key cover is matched with a thumb, and the pressing is more convenient.
Furthermore, one side that sealed pad with the on & off switch contact is provided with protruding piece, protruding piece is used for sealed pad with the on & off switch is sealed to be pasted. The sealing gasket is attached to the on-off key, so that the transmission of the acting force is more uniform.
Furthermore, the button cover is provided with a button area and a sealing area, the button area is located above the on-off button, and the sealing area is connected with the inner side wall of the button hole in a sealing mode. And a separation groove is formed in one side, away from the sealing gasket, of the key cover and used for separating the key area from the sealing area. When the key cover is pressed, the key area moves downwards, the sealing area is kept in an initial state due to the action of the separation groove, the relative position between the sealing area and the inner wall of the key hole is not changed, and the sealing effect is improved.
Compared with the prior art, the electric toothbrush with the strong sealing key has the advantages that: the utility model relates to an electric toothbrush with a strong sealing button. One end of the main body is provided with a brush rod, and the side surface of the brush rod is provided with a key hole. The electric device is arranged in the main body and used for supplying power to the toothbrush and enabling the brush head to generate high-frequency vibration. The button device comprises an on-off key, a key cover and a sealing gasket, wherein the on-off key is connected with the electric device and is positioned below the key hole. The sealing gasket is arranged between the on-off key and the key hole, an injection molding cavity is formed between the sealing gasket and the key hole, and the injection molding cavity is used for injection molding of the key cover, so that the key cover is ensured to be tightly attached to the key hole. Meanwhile, the sealing gasket and the key hole are sealed, the waterproof effect is greatly improved, and the problem that the button of the toothbrush is poor in waterproof effect due to the fact that the toothbrush is sealed and waterproof through the soft rubber coating in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.
Fig. 1 is a schematic view of an embodiment of the electric toothbrush having a strong sealing button according to the present invention.
Fig. 2 is a schematic view of the cross-sectional structure a-a of fig. 1.
Fig. 3 is a schematic view showing a position of a sealing pad of the electric toothbrush having a strong sealing button according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an embodiment of a key hole of an electric toothbrush with a strong sealing key according to the present invention.
Fig. 5 is an enlarged structural diagram of B in fig. 4.
In the figure: 10. the electric toothbrush with the strong sealing key comprises an electric toothbrush body 11, a brush rod 111, a brush head 112, a brush head 113, a key hole 114, a positioning ring 1141, a positioning groove 1142, a groove 115, a limiting ring 116, a clamping groove 12, an electric device 13, a button device 131, an on-off key 132, a key cover 1321, a positioning block 1321, a button area 1322, a sealing area 1323, a separating groove 1324, a sealing gasket 133, a bulge block 1331 and an injection molding cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
Referring to fig. 1 and 2, in the present embodiment, the electric toothbrush 10 with strong sealing button includes a main body 11, an electric device 12, and a button device 13. One end of the main body 11 is provided with a brush rod 111, and a side surface of the brush rod 111 is provided with a key hole 113. An electric device 12 is provided inside the body 11 for supplying power to the toothbrush and generating high frequency vibrations to the brush head 112.
In the present embodiment, referring to fig. 3 and fig. 4, the button device 13 includes a switch key 131, a key cover 132 and a gasket 133. The switch key 131 is connected to the electric device 12 and located below the key hole 113. The sealing gasket 133 is arranged between the switch key 131 and the key hole 113, a protruding block 1331 is arranged on one side of the sealing gasket 133 contacting with the switch key 131, and the protruding block 1331 is used for the sealing gasket 133 to be closely attached to the switch key 131, so that the transmission of the acting force is more uniform. An injection molding cavity 1332 is formed between the sealing gasket 133 and the key hole 113, and the injection molding cavity 1332 is used for injection molding the key cover 132. The key cover 132 and the gasket 133 may be made of rubber, so as to increase the service life of the key cover 132 and the gasket 133.
One end of the sidewall of the key hole 113 close to the sealing pad 133 is provided with a positioning ring 114 and a limiting ring 115. The retainer ring 115 is located between the positioning ring 114 and the switch key 131, a receiving cavity is formed between the retainer ring 115 and the positioning ring 114, and the sealing gasket 133 is located in the receiving cavity. The retainer ring 115 supports the packing 133 to prevent the packing 133 from being damaged during injection molding. The positioning groove 1141 is disposed at an end of the positioning ring 114 away from the side wall, and a width of the positioning groove 1141 at an end close to the inner wall of the main body 11 is smaller than a width of the other end of the positioning groove 1141, so as to reduce resistance generated when the key cover 132 presses the switch key 131. The key cover 132 after injection molding is provided with a positioning block 1321 engaged with the positioning slot 1141, so that the positioning ring 114 also supports the key cover 132 in addition to improving the sealing performance.
To increase the fastening effect between the key cover 132 and the main body 11, referring to fig. 5, a groove 1142 may be disposed on the sidewall of the positioning groove 1141, and the groove 1142 is communicated with the key hole 113. Alternatively, referring to fig. 3, a locking groove 116 is formed on a side wall of the key hole 113, and the key cover 132 is connected to the main body 11 in a locking manner.
In the present embodiment, referring to fig. 1, the shape of the key cover 132 is corresponding to the shape of the main body 11 around the key hole 113, and the heights of the two sides of the key cover 132 perpendicular to the axis of the main body 11 are lower than the heights of the two sides of the key cover 132 along the axis of the main body 11. The outer surface of the key cover 132 is provided with a key area 1322 and a sealing area 1323, the key area 1322 is located above the switch key 131, and the sealing area 1323 is connected with the inner side wall of the key hole 113 in a sealing way. The side of the key cover 132 remote from the gasket 133 is provided with a separation groove 133 for separating the key region 1322 from the sealing region 1323. When the button cover 132 is pressed, the button region 1322 is moved downward, and the sealing region 1323 is maintained in an initial state due to the separation groove 133, so that a relative positional change between the sealing region 1323 and the inner wall of the button hole 113 does not occur.
The working principle of the utility model is as follows:
the electric devices 12 are connected to the switch keys 131 and are located inside the main body 11. The brush rod 111 of the main body 11 is provided with a key hole 113 at a side thereof, and the switch key 131 is located below the key hole 113 and connected to the gasket 133 through a protrusion 1331. The side wall of the key hole 113 is provided with a positioning ring 114, a limiting ring 115 and a clamping groove 116. An accommodating cavity is reserved between the positioning ring 114 and the limiting ring 115, and the outer ring of the sealing gasket 133 is clamped in the accommodating cavity. The positioning groove 1141 is disposed on the end of the positioning ring 114 away from the side wall, and the groove 1142 is disposed on the side wall of the positioning groove 1141, and both the positioning groove 1141 and the groove 1142 are used to improve the sealing performance between the key cover 132 and the main body 11. An injection molding cavity 1332 is formed between the sealing gasket 133 and the key hole 113, and the injection molding cavity 1332 is used for injection molding the key cover 132. The molded key cover 132 is provided with a positioning block 1321 in which the positioning slots 1141 are embedded. The outer surface of the button cover 132 divides the button cover 132 into a button area 1322 and a sealing area 1323 through the separating groove 133, and when the button cover 132 is pressed, the button area 1322 moves downward, so that the sealing area 1323 is maintained in an initial state due to the action of the separating groove 133, the relative position between the sealing area 1323 and the inner wall of the button hole 113 is not changed, and the waterproof effect is improved.
In the present embodiment, the present invention relates to an electric toothbrush 10 having a strong sealing button, and the electric toothbrush 10 having a strong sealing button includes a main body 11, an electric device 12, and a button device 13. One end of the main body 11 is provided with a brush rod 111, and a side surface of the brush rod 111 is provided with a key hole 113. An electric device 12 is provided inside the body 11 for supplying power to the toothbrush and generating high frequency vibrations to the brush head 112. The button device 13 includes an on-off button 131, a button cover 132 and a gasket 133, wherein the on-off button 131 is connected to the electric device 12 and is located below the button hole 113. The sealing gasket 133 is arranged between the switch key 131 and the key hole 113, an injection molding cavity 1332 is formed between the sealing gasket 133 and the key hole 113, and the injection molding cavity 1332 is used for injection molding of the key cover 132 to ensure that the key cover 132 is tightly attached to the key hole 113. Meanwhile, the sealing gasket 133 and the key hole 113 are sealed, so that the waterproof effect is greatly improved, and the problem that the button of the toothbrush is poor in waterproof effect due to the fact that the soft rubber is used for sealing and waterproofing in the prior art is solved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. An electric toothbrush having a strong seal button, comprising:
a main body: a brush rod is arranged at one end of the main body, and a key hole is formed in the side face of the main body;
an electric device: disposed inside the body; and the number of the first and second groups,
a button device: the switch key is connected with the electric device and is positioned below the key hole; the sealing gasket is arranged between the on-off key and the key hole, an injection molding cavity is formed between the sealing gasket and the key hole, and the injection molding cavity is used for injection molding of the key cover.
2. The electric toothbrush with strong sealing button according to claim 1, wherein a positioning ring is disposed at an end of the side wall of the button hole close to the sealing pad, the positioning ring is provided with a positioning groove, and the button cover is provided with a positioning block engaged with the positioning groove.
3. The electric toothbrush having a strong sealing button as claimed in claim 2, wherein a width of one end of the positioning groove near the inner wall of the main body is smaller than a width of the other end of the positioning groove.
4. The electric toothbrush having a strong sealing button according to claim 2, wherein a groove is provided on a side wall of the positioning groove, the groove communicating with the button hole.
5. The electric toothbrush with the strong sealing button according to claim 2, wherein a limiting ring is further disposed at an end of the side wall of the button hole close to the on-off key, the limiting ring is located between the positioning ring and the on-off key, a receiving cavity is formed between the limiting ring and the positioning ring, and the sealing pad is located in the receiving cavity.
6. The electric toothbrush with the strong sealing button according to claim 1, wherein a locking groove is provided on a side wall of the button hole, and the button cover is connected with the main body in a snap-fit manner.
7. The electric toothbrush with strong sealing button according to claim 1, wherein the button cover and the sealing pad are made of rubber.
8. The electric toothbrush having the strong sealing button as claimed in claim 1, wherein the button cover has a shape corresponding to a shape of the body around the button hole, and a height of both sides of the button cover perpendicular to the body axis is lower than a height of both sides of the button cover along the body axis.
9. The electric toothbrush with the strong sealing button as claimed in claim 8, wherein a protrusion is provided on a side of the sealing pad contacting the on/off switch, and the protrusion is used for the sealing pad to be attached to the on/off switch.
10. The electric toothbrush with the strong sealing button according to claim 1, wherein the button cover is provided with a button area and a sealing area, the button area is located above the switch button, and the sealing area is in sealing connection with the inner side wall of the button hole; and a separation groove is formed in one side, away from the sealing gasket, of the key cover and used for separating the key area from the sealing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859034.1U CN215306922U (en) | 2021-04-23 | 2021-04-23 | Electric toothbrush with strong sealing key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859034.1U CN215306922U (en) | 2021-04-23 | 2021-04-23 | Electric toothbrush with strong sealing key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215306922U true CN215306922U (en) | 2021-12-28 |
Family
ID=79595802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120859034.1U Expired - Fee Related CN215306922U (en) | 2021-04-23 | 2021-04-23 | Electric toothbrush with strong sealing key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215306922U (en) |
-
2021
- 2021-04-23 CN CN202120859034.1U patent/CN215306922U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |