CN210956395U - Charging base coil fixing structure, charging base and oral cavity cleaner - Google Patents
Charging base coil fixing structure, charging base and oral cavity cleaner Download PDFInfo
- Publication number
- CN210956395U CN210956395U CN201921602776.5U CN201921602776U CN210956395U CN 210956395 U CN210956395 U CN 210956395U CN 201921602776 U CN201921602776 U CN 201921602776U CN 210956395 U CN210956395 U CN 210956395U
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- Prior art keywords
- coil
- charging base
- contact pin
- circuit board
- control circuit
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- Expired - Fee Related
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 23
- 239000007769 metal material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000002324 mouth wash Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a charging base coil fixed knot constructs, charging base and oral cavity cleaner. Wherein, coil fixed knot constructs including magnetic core, coil skeleton, coil winding and control circuit board. The coil framework is provided with a coil winding, the coil winding is arranged on the coil framework, the outgoing line of the coil winding is connected with the coil framework through a pin, the control circuit board is provided with a jack, the jack is used for inserting the pin, and the pin is fixedly connected with the control circuit board. This charging base coil fixed knot constructs to the contact pin is the medium, through the contact pin with coil winding's lead-out wire and control circuit board switch-on to realize the intercommunication of circuit. Compared with the prior art, the contact pin is hard, so that a guide tool is not needed during processing, the processing steps are simplified, and the production cost is reduced. Secondly, because the contact pin is hard, so do not touch internal electric elements easily like soft lead-out wire and lead to the electric clearance to reduce, thereby guaranteed the normal conduction of circuit, this coil fixed knot constructs the high reliability.
Description
Technical Field
The utility model relates to a coil fixed knot constructs's technical field, especially relates to a charging base coil fixed knot constructs, charging base and oral cavity cleaner.
Background
Oral cleaners (e.g., electric toothbrushes/mouthwashes) require repeated recharging after use. In order to improve the safety of charging, the cleaner is generally charged by using a wireless charging technology. When the power socket is connected, the coil on the charging base is inductively coupled to a pickup coil inside the handle of the electric toothbrush/dental irrigator, and when the battery in the electric toothbrush/dental irrigator is connected to the pickup coil inside the handle, the magnetic flux generated between the two coils causes the battery to charge.
The coil in the charging base of the conventional oral cleaner is generally electrically connected to the circuit board by soldering. Because the coil lead-out wire is softer, when welding with the PCB board, need increase the direction frock on the production line, the manual work is earlier on the lead-out wire passes the direction frock, and then is passed the through-hole on the PCB board by the direction frock guide lead-out wire and reaches PCB board fixed position, then removes the direction frock, welds lead-out wire and PCB board welding hole together. In addition, during processing, an insulating sleeve is required to be arranged on the periphery of the outgoing line so as to avoid reduction of an electric gap caused by contact between the outgoing line and an internal electric element and even cause short circuit. The coil structure has the advantages of complex processing process, high cost, low reliability and low product yield.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model discloses an one of the purpose lies in: the coil fixing structure of the charging base is easy to process and low in cost; and the reliability is high.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides a charging base coil fixed knot constructs, includes magnetic core, coil skeleton, coil winding and control circuit board, the coil skeleton is close to the one end of coil winding's lead-out wire is provided with the contact pin, the contact pin with coil winding's lead-out wire electric connection, the last jack that is provided with of control circuit board, the jack is used for supplying the contact pin inserts, the contact pin with control circuit board fixed connection.
The utility model discloses a charging base coil fixed knot constructs through setting up the contact pin on coil skeleton to the contact pin is the medium, through the contact pin with coil winding's lead-out wire and control circuit board switch-on, thereby realizes the intercommunication of circuit. Compared with the prior art, the contact pin is hard, so that a guide tool is not needed during processing, the processing steps are simplified, and the production cost is reduced. Secondly, because the contact pin is hard, so do not touch internal electric elements easily like soft lead-out wire and lead to the electric clearance to reduce, thereby guaranteed the normal conduction of circuit, this coil fixed knot constructs the high reliability.
As a further embodiment, the contact pins are soldered with the lead-out wires of the coil windings.
In this embodiment, adopt the welded mode to connect, easy operation, and connect firm reliable.
As a further embodiment, the contact pins and the control circuit board are fixedly connected together through welding.
In this embodiment, adopt the welded mode to connect, easy operation, and connect firm reliable.
As a further embodiment, the bobbin is a hollow structure.
In this embodiment, coil skeleton is provided with hollow structure, makes things convenient for the magnetic core fixed, improves charge efficiency to make this coil fixed knot construct and be applicable to in this kind of small-size apparatus of oral cavity cleaner.
As a further embodiment, the coil framework is provided with a supporting leg protruding towards the control circuit board at one end of the contact pin.
In this embodiment, be provided with the supporting legs at the lower extreme of coil skeleton, help increaseing the safe distance between coil winding and the control circuit board to stop the risk of short circuit, further ensure coil fixed knot to construct the quality.
As a further embodiment, the pins are of a conductive metallic material.
In the embodiment, the contact pin made of the conductive metal material not only meets the requirement of hardness, but also meets the requirement of electrification; the materials are easy to obtain and the price is low; more specifically, the pins are made of an alloy.
As a further example, the number of pins is 2-10.
In this embodiment, since the coil fixing structure is generally used for small-sized appliances, the coil bobbin has a limited volume, and it is preferable that 2 to 10 pins are generally provided.
As a further embodiment, the number of the pins is 2, 4 or 6, and the pins are uniformly distributed on the bobbin.
In this embodiment, the contact pins are arranged to be even, and are uniformly distributed, so that the coil framework can be more stably fixed on the control circuit board.
The utility model discloses a second of purpose lies in:
a charging base comprising a charging base coil securement structure as recited in any of the embodiments above.
The charging base in the embodiment adopts the coil fixing structure of the charging base, so that the charging base is low in cost, high in reliability and good in safety.
The third purpose of the utility model is that:
an oral cavity cleaner, oral cavity cleaner include the oral cavity cleaner body and the utility model provides a charging base.
The oral cavity cleaner in the embodiment has the advantages of low cost, high reliability and good safety.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a charging base coil fixed knot constructs through setting up the contact pin on coil skeleton to the contact pin is the medium, through the contact pin with coil winding's lead-out wire and control circuit board switch-on, thereby realizes the intercommunication of circuit. Compared with the prior art, the contact pin is hard, so that a guide tool is not needed during processing, the processing steps are simplified, and the production cost is reduced. Secondly, because the contact pin is hard, so do not touch internal electric elements easily like soft lead-out wire and lead to the electric clearance to reduce, thereby guaranteed the normal conduction of circuit, this coil fixed knot constructs the high reliability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a coil fixing structure provided by the present invention;
fig. 2 is an external view of an embodiment of the oral cavity cleaner provided by the present invention;
fig. 3 is a cross-sectional view of a charging base portion of the oral cleaner shown in fig. 2.
In the figure: 1. a coil bobbin; 11. inserting a pin; 12. supporting legs; 2. a coil winding; 3. a control circuit board; 31. a jack; 4. a charging base; 5. an oral cavity cleaner body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1, the charging base coil fixing structure of the present embodiment includes a magnetic core, a coil bobbin 1, a coil winding 2, and a control circuit board 3. Wherein, coil skeleton 1 is provided with contact pin 11 near the one end of coil winding 2's lead-out wire, and contact pin 11 and coil winding 2's lead-out wire electric connection are provided with jack 31 on the control circuit board 3, jack 31 is used for supplying contact pin 11 inserts, contact pin 11 and control circuit board 3 fixed connection.
This 4 coil fixed knot of charging base constructs through set up contact pin 11 on coil skeleton 1 to contact pin 11 is the medium, through contact pin 11 with coil winding 2's lead-out wire and control circuit board 3 switch-on to realize the intercommunication of circuit. Compared with the prior art, the contact pin 11 is hard, so that a guide tool is not needed during processing, the processing steps are simplified, and the production cost is reduced. Secondly, since the pins 11 are hard, it is not easy to touch the internal electric elements like a soft lead wire, resulting in a reduction of the electric gap, thereby ensuring the normal conduction of the circuit, i.e., the reliability of the coil fixing structure is high.
Preferably, the control circuit board 3 is a PCB board.
Preferably, the pins 11 are soldered to the lead-out wires of the coil winding 2. The connection mode is simple to operate and stable and reliable in connection.
Preferably, the pins 11 and the control circuit board 3 are fixedly connected together by soldering. The connection mode is simple to operate and stable and reliable in connection.
Preferably, the coil bobbin 1 is a hollow structure, so as to facilitate the fixation of the magnetic core and improve the charging efficiency, thereby making the coil fixation structure suitable for a small appliance such as an oral cavity cleaner. Further, the supporting legs 12 are convexly arranged at the end, provided with the contact pin 11, of the coil framework 1 towards the control circuit board 3, so that the safe distance between the coil winding 2 and the control circuit board 3 is increased, the risk of short circuit is avoided, and the quality of the coil fixing structure is further guaranteed.
Preferably, the contact pin 11 is made of a conductive metal material, which meets the requirements of hardness and electrification; the materials are easy to obtain and the price is low; more specifically, the pins are made of an alloy. Further, the number of pins 11 is 2-10. Since the coil fixing structure is generally used for small-sized appliances, the coil bobbin 1 has a limited volume, and it is generally preferable to arrange 2 to 10 pins 11. Furthermore, the number of the pins 11 is 2, 4 or 6, and the pins 11 are uniformly distributed on the bobbin 1, so that the bobbin 1 can be more stably fixed on the control circuit board 3.
As shown in fig. 3, the coil fixing structure manufactured by the present embodiment is applied to the charging base 4, so that the charging base 4 has low cost, high reliability and good safety.
The oral cleaner shown in fig. 2 comprises a body 5 and a charging base 4 made of this embodiment. The oral cavity cleaner has low cost, high reliability and good safety.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a charging base coil fixed knot constructs, includes magnetic core, coil skeleton, coil winding and control circuit board, its characterized in that: the coil skeleton is close to the one end of coil winding's lead-out wire is provided with the contact pin, the contact pin with coil winding's lead-out wire electric connection, be provided with the jack on the control circuit board, the jack is used for supplying the contact pin inserts, the contact pin with control circuit board fixed connection.
2. The charging base coil fixing structure according to claim 1, wherein: the contact pin and the lead-out wire of the coil winding are welded together.
3. The charging base coil fixing structure according to claim 1, wherein: the contact pin and the control circuit board are fixedly connected together through welding.
4. The charging base coil fixing structure according to claim 1, wherein: the coil framework is of a hollow structure.
5. The charging base coil fixing structure according to claim 1, wherein: and one end of the coil framework, which is provided with the contact pin, is convexly provided with a supporting leg towards the direction of the control circuit board.
6. The charging base coil fixing structure according to claim 1, wherein: the contact pin is made of a conductive metal material.
7. The charging base coil fixing structure according to claim 1, wherein: the number of the pins is 2-10.
8. The charging base coil fixing structure according to claim 1, wherein: the number of the contact pins is 2, 4 or 6, and the contact pins are uniformly distributed on the coil framework.
9. A charging base is characterized in that: the charging dock comprising the charging dock coil fixture of any one of claims 1-8.
10. An oral cavity cleaner, characterized in that: comprising an oral cleaner body and the charging base of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921602776.5U CN210956395U (en) | 2019-09-24 | 2019-09-24 | Charging base coil fixing structure, charging base and oral cavity cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921602776.5U CN210956395U (en) | 2019-09-24 | 2019-09-24 | Charging base coil fixing structure, charging base and oral cavity cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210956395U true CN210956395U (en) | 2020-07-07 |
Family
ID=71371982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921602776.5U Expired - Fee Related CN210956395U (en) | 2019-09-24 | 2019-09-24 | Charging base coil fixing structure, charging base and oral cavity cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210956395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688607A (en) * | 2020-12-15 | 2021-04-20 | 大国重器自动化设备(山东)股份有限公司 | Servo motor and artificial intelligence robot |
-
2019
- 2019-09-24 CN CN201921602776.5U patent/CN210956395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112688607A (en) * | 2020-12-15 | 2021-04-20 | 大国重器自动化设备(山东)股份有限公司 | Servo motor and artificial intelligence robot |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |