Motor shaft power supply structure, motor and electric toothbrush
By opening extension grooves and placing grooves on the motor shaft body, integrating electrode components and optimizing internal circuits, the problem of complex internal circuits affecting motor movements is solved, and the transmission of electrical energy and high-speed data signals is realized.
Patent Information
- Application Number
- CN202421704368.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The complex internal circuits of existing electrical appliances affect the motor movement and occupy space.
By opening extension grooves and placing grooves on the motor shaft body, the electrode assembly is integrated, the internal circuit is optimized, the motor movement is avoided, and the transmission of electrical energy and high-speed data signals is realized.
The circuit is optimized to avoid affecting motor movement, and at the same time, it provides the transmission capability of electrical energy and high-speed data signals, solving the problem of complex internal circuits of the electrical appliance.
Smart Images
Figure CN222814310U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, and in particular to a motor shaft power supply structure, a motor and an electric toothbrush. Background Art
[0002] A motor is an electrical component that is widely used in some small household appliances such as shavers and electric toothbrushes. With the development of technology and the need to improve user experience, small appliances are gradually evolving towards multi-functions. Adding functions requires circuit connection. However, if it is just a simple connection method, it will take up space and make the internal circuits of the appliance complicated, and affect the movement of the motor. Utility Model Content
[0003] In view of this, the utility model provides a motor shaft power supply structure, a motor and an electric toothbrush, which are used to solve the technical problems that the internal circuits of existing electrical appliances are complicated, affecting the movement of the motor and occupying space.
[0004] In order to solve the above technical problems, the first technical solution adopted by the utility model is:
[0005] A motor shaft power supply structure, comprising:
[0006] The shaft body has a first end and a second end opposite to each other, the first end is used to connect with the motor body, the shaft body is provided with an extension groove along the axial direction of the shaft body, and the side wall of the second end is provided with a placement groove, the placement groove is communicated with the extension groove;
[0007] And an electrode assembly, including a first pole piece and a second pole piece facing each other, and a connecting section electrically connecting the first pole piece and the second pole piece, the first pole piece is accommodated in the placement groove, and the connecting section is penetrated through the placement groove and the extension groove and extends out of the shaft body.
[0008] In some embodiments of the motor shaft power supply structure, the extension groove extends to an end surface of the first end away from the second end and penetrates the end surface, and the connecting section passes through the shaft body along the extension direction of the extension groove;
[0009] Alternatively, a first hole is formed on the side wall of the shaft body, the first hole is communicated with the extension groove and is used for the connecting section to pass through.
[0010] In some embodiments of the motor shaft power supply structure, the connecting section has a portion exposed from the placement groove, and the motor shaft power supply structure also includes a first protective element, which is filled in the placement groove and is used to cover the connecting section.
[0011] In some embodiments of the motor shaft power supply structure, a second hole connected to the placement groove is opened on the end surface of the second end facing away from the first end, and the motor shaft power supply structure also includes a second protective element, and the second protective element is filled in the second hole.
[0012] In some embodiments of the motor shaft power supply structure, the first pole piece is a hard plate;
[0013] The connecting section and the second pole piece are both soft boards; or the connecting section is a multi-strand soft wire, and the second pole piece includes a plurality of pole pieces arranged on the connecting section in a one-to-one correspondence.
[0014] In some embodiments of the motor shaft power supply structure, the electrode assembly further includes a third pole piece, which is connected to a side of the connecting section away from the first pole piece and can be folded onto the connecting section or the second pole piece.
[0015] In some embodiments of the motor shaft power supply structure, there are multiple third pole pieces, and each of the third pole pieces is arranged at intervals along the extension direction of the connecting section;
[0016] Alternatively, there are multiple third pole pieces, and each of the third pole pieces is arranged around the second pole piece.
[0017] In order to solve the above technical problems, the second technical solution adopted by the utility model is:
[0018] A motor comprises a motor body and the motor shaft power supply structure in the above embodiment, wherein the output end of the motor body is connected to the first end of the shaft body.
[0019] In some embodiments of the motor, a passage hole penetrating the motor body along an extension direction of the extension groove is formed on the motor body, and the passage hole is used for the connection section to pass through.
[0020] In order to solve the above technical problems, the third technical solution adopted by the utility model is:
[0021] An electric toothbrush comprises the motor described in the above embodiment.
[0022] Implementing the embodiments of the present utility model will have at least the following beneficial effects:
[0023] The above-mentioned motor shaft power supply structure is applied to motors and electric toothbrushes, which can make itself, the motor and the electric toothbrush have optimized circuits and provide electrical energy and high-speed data signal transmission through the shaft body. Specifically, the utility model can be used to place the electrode assembly by opening an extension groove and a placement groove on the shaft body, thereby integrating the electrode assembly inside the shaft body, which can not only optimize the internal circuit and avoid affecting the movement of the motor, but also solve the technical problem that the complex internal circuit of existing electrical appliances affects the movement of the motor and occupies space, and can also make the shaft body into an electrical signal connector form, which can realize the ability to provide electrical energy and high-speed signal connectivity from the shaft body, so that the moving parts can use large current electrical equipment and electrical equipment with high-speed data interaction requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0025] Figure 1 A schematic diagram of a partial structure of an electric toothbrush in one embodiment;
[0026] Figure 2 This is a schematic diagram of a motor shaft power supply structure in one embodiment;
[0027] Figure 3 for Figure 2 An exploded view of a portion of the structure shown;
[0028] Figure 4 is a schematic structural diagram of an electrode assembly in one embodiment;
[0029] Figure 5 is a schematic structural diagram of an electrode assembly in one embodiment;
[0030] Figure 6 is a schematic structural diagram of an electrode assembly in one embodiment;
[0031] Figure 7 Schematic diagram of the structure of an electrode assembly in one embodiment.
[0032] Among them: 1. shaft; 11. placement groove; 12. extension groove; 13. first hole; 14. second hole; 2. electrode assembly; 21. first pole piece; 22. connecting section; 23. second pole piece; 24. third pole piece; 3. first protective element; 4. second protective element; 5. motor body; 51. channel hole; 6. brush head; 7. circuit board. DETAILED DESCRIPTION
[0033] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many other different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0036] like Figure 1-5 As shown, in an embodiment of a motor shaft power supply structure, it includes a shaft body 1 and an electrode assembly 2. The shaft body 1 has a first end and a second end opposite to each other. The first end is used to connect with the motor body 5. The shaft body 1 is provided with an extension groove 12 along the axial direction of the shaft body 1. A placement groove 11 is provided on the side wall of the second end. The placement groove 11 is connected with the extension groove 12. The electrode assembly 2 includes a first pole piece 21 and a second pole piece 23 opposite to each other, and a connecting section 22 electrically connecting the first pole piece 21 and the second pole piece 23. The first pole piece 21 is accommodated in the placement groove 11. The connecting section 22 is penetrated through the placement groove 11 and the extension groove 12 and extends out of the shaft body 1.
[0037] In this embodiment, an extension groove 12 and a placement groove 11 are provided in the shaft body 1, so that the electrode assembly 2 can be placed therein, thereby integrating the electrode assembly 2 inside the shaft body 1. This can not only optimize the internal circuit and avoid affecting the movement of the motor, but also solve the technical problem that the complex internal circuit of existing electrical appliances affects the movement of the motor and occupies space. In addition, the shaft body 1 can be transformed into an electrical signal connector, which can provide electrical energy and high-speed signal connectivity from the shaft body 1, so that the moving parts can use high-current electrical equipment and electrical equipment with high-speed data interaction requirements.
[0038] In an embodiment of the motor shaft power supply structure, the extension slot 12 extends to the end surface of the first end away from the second end and penetrates the end surface, and the connecting section 22 passes through the shaft body 1 along the extension direction of the extension slot 12. Alternatively, a first hole 13 is opened on the side wall of the shaft body 1, the first hole 13 is connected to the extension slot 12, and is used for the connecting section 22 to pass through.
[0039] In this embodiment, it can be understood that the second pole piece 23 can be led out from different positions of the shaft body 1. One way is to lead out through a hole in the side wall of the shaft body 1, and the other is to lead out from the end through an extension groove 12 that passes through the shaft body 1. Leading out from the hole in the side wall can facilitate the connection between the shaft body 1 and the motor body 5, while leading out from the end is easy to process, and the extension groove 12 can pass directly through.
[0040] It should be noted that the motor can be divided into reciprocating swing type and rotary type. When the motor shaft power supply structure is used for reciprocating swing type, the second pole piece 23 can be led out in a platform type, and the soft wire can be directly led out and connected to the circuit board 7 by taking advantage of the small swing amplitude. When used for rotary type, the lead-out of the second pole piece 23 in the middle of the shaft body 1 can be led out by a ring-shaped (may not be closed) electrode using a brush. The ring-shaped 360-degree electrode can obtain better power supply and signal continuity. When it is not closed, the end receiving electricity can be used to increase the capacitor or inductor or the capacitor combined with the inductor or the battery and other modules to achieve instant power off when the signal is released.
[0041] In an embodiment of the motor shaft power supply structure, the connecting section 22 has a portion exposed in the placement groove 11 , and the motor shaft power supply structure further includes a first protective element 3 , which is filled in the placement groove 11 and used to cover the connecting section 22 .
[0042] In this embodiment, specifically, the first protective element 3 can be made of a glue material, which is initially in a fluid state and is filled into the placement groove 11 by injection molding, glue pouring, etc., and can protect the connection section 22 after solidification. Of course, it should be noted that the first protective element 3 can also be in a state of being directly solidified, and can also be directly filled and placed in the groove.
[0043] In an embodiment of a motor shaft power supply structure, a second hole 14 communicating with the placement groove 11 is opened on the end surface of the second end facing away from the first end, and the motor shaft power supply structure also includes a second protective element 4, which is filled in the second hole 14.
[0044] In this embodiment, by opening the second hole 14, the effect of the second hole 14, the placement groove 11 and the extension groove 12 being connected can be formed. In this way, during the processing, the processing personnel can use the method of opening a hole or a groove to perform processing from the end face of the second end, and then further process the position of the placement groove 11, which can reduce the processing difficulty. In addition, by setting the second protective element 4, the effect of filling the second hole 14 can also be achieved. The second protective element 4 can use the same material and method as the first protective element 3 to fill the second hole 14, which will not be repeated.
[0045] In an embodiment of the motor shaft power supply structure, the first pole piece 21 is a hard board, the connecting section 22 and the second pole piece 23 are both soft boards, or the connecting section 22 is a multi-strand soft wire, and the second pole piece 23 includes a plurality of pole pieces arranged on the connecting section 22 in a one-to-one correspondence.
[0046] In this embodiment, it can be understood that the electrode assembly 2 adopts a combination of soft and hard boards. The first electrode piece 21 is a hard board, and the connecting section 22 is a soft board or a plurality of soft wires, which can facilitate the electrode assembly 2 to pass into the placement groove 11 and the extension groove 12, so as to facilitate the arrangement.
[0047] In an embodiment of the motor shaft power supply structure, the electrode assembly 2 further includes a third pole piece 24 , which is connected to a side of the connecting section 22 away from the first pole piece 21 and can be folded onto the connecting section 22 or the second pole piece 23 .
[0048] In this embodiment, by providing a foldable third electrode sheet 24, the connection effect of the electrode assembly 2 can be expanded, and because it is a foldable manner and is a soft board, it can be easily folded and passed through the extension groove 12 without affecting the difficulty of assembly.
[0049] Specifically, combined Figure 4-7 As shown, the third pole piece 24 can be a hard board, a soft board or a plurality of soft wires, and there is no specific limitation.
[0050] In addition, refer to Figure 7 The first pole piece 21 and the second pole piece 23 can both be hard boards, while the middle connecting section 22 is a soft board. An expansion area can be set at the position of the connecting section 22 close to the second pole piece 23. The expansion area can be used for routing and drilling holes, so that the hard board and the soft board can be on the same level, saving costs.
[0051] In addition, in order to place the first pole piece 21 as a hard plate, the first pole piece 21 and the connecting section 22 form a T shape, and the shape of the placement groove 11 matches the T shape, so that a platform can be formed to support the first pole piece 21 .
[0052] In an embodiment of the motor shaft power supply structure, there are multiple third pole pieces 24 , and each third pole piece 24 is arranged at intervals along the extension direction of the connecting section 22 . Alternatively, there are multiple third pole pieces 24 , and each third pole piece 24 is arranged around the second pole piece 23 .
[0053] In this embodiment, by setting a plurality of third pole pieces 24, the connection effect can be further extended. In a specific arrangement, the third pole pieces 24 can be arranged at intervals along the extension direction of the connecting section 22. In this way, after the third pole piece 24 is folded, the third pole piece 24 is folded on the connecting section 22, and the third pole piece 24 arranged around the second pole piece 23 is folded on the second pole piece 23.
[0054] In combination with the previous embodiment, a gold finger may be provided on the first pole piece 21, and the number of pins may be increased by a single-row array or a multi-row array.
[0055] The utility model also relates to a motor, comprising a motor body 5 and the motor shaft power supply structure in the previous embodiment, wherein the output end of the motor body 5 is connected to the first end of the shaft body 1 .
[0056] By adopting the motor shaft power supply structure in the above embodiment, the effect of embedding the electrode assembly 2 on the motor can be achieved, which is beneficial to provide large current and high-speed signal transmission.
[0057] In one embodiment of the motor, a passage hole 51 is formed on the motor body 5 and penetrates the motor body 5 along the extending direction of the extension slot 12 . The passage hole 51 is used for the connection section 22 to pass through.
[0058] In this embodiment, by providing a channel hole 51 on the motor body 5, it is possible to facilitate the penetration of the connecting section 22, the second pole piece 23, and the third pole piece 24. In addition, the channel hole 51 can be provided at the center of the spindle, so as to avoid the influence of the rotation on the connecting section 22. In combination with the previous embodiment, it is preferably combined with the extension groove 12 penetrating the first end face, so that the connecting section 22 does not need to be led out, but completely penetrates the entire motor setting.
[0059] The utility model also relates to an electric toothbrush, comprising the motor in the above embodiment.
[0060] A receiving space is provided inside the shell of the electric toothbrush, and structural parts such as the motor and the circuit board 7 are all received in the receiving space. The electric toothbrush can be divided into a brush head 6 and a handle. The motor is located at the end of the handle corresponding to the handle away from the brush head 6, and the circuit board 7 is located close to the brush head 6. The motor can be connected to the circuit board 7 through the first pole piece 21. Functions such as signal conversion, mechanical stress sensor, torsion profit sensor, etc. can be installed by installing a line lead-out board through the first pole piece 21, and the conductive signal of the motor shaft can be introduced into the brush head 6 by plugging the circuit board 7, and it is convenient to support large current and high-speed signal transmission.
[0061] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0062] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A motor shaft power supply structure, characterized in that: include: The shaft body has a first end and a second end opposite to each other, the first end is used to connect with the motor body, the shaft body is provided with an extension groove along the axial direction of the shaft body, and the side wall of the second end is provided with a placement groove, the placement groove is communicated with the extension groove; And an electrode assembly, including a first pole piece and a second pole piece facing each other, and a connecting section electrically connecting the first pole piece and the second pole piece, the first pole piece is accommodated in the placement groove, and the connecting section is penetrated through the placement groove and the extension groove and extends out of the shaft body.
2. The motor shaft power supply structure according to claim 1, characterized in that: The extension groove extends to an end surface of the first end away from the second end and penetrates the end surface, and the connecting section passes through the shaft body along the extension direction of the extension groove; Alternatively, a first hole is formed on the side wall of the shaft body, the first hole is communicated with the extension groove and is used for the connecting section to pass through.
3. The motor shaft power supply structure according to claim 1, characterized in that: The connecting section has a portion exposed from the placement groove, and the motor shaft power supply structure further includes a first protective element, which is filled in the placement groove and used to cover the connecting section.
4. The motor shaft power supply structure according to claim 1, characterized in that: A second hole communicating with the placement groove is formed on an end surface of the second end facing away from the first end. The motor shaft power supply structure also includes a second protective element, and the second protective element is filled in the second hole.
5. The motor shaft power supply structure according to claim 1, characterized in that: The first pole piece is a hard plate; The connecting section and the second pole piece are both soft boards; or the connecting section is a multi-strand soft wire, and the second pole piece includes a plurality of sub-pole pieces arranged on the connecting section in a one-to-one correspondence.
6. The motor shaft power supply structure according to claim 5, characterized in that: The electrode assembly further includes a third electrode sheet, which is connected to a side of the connecting section away from the first electrode sheet and can be folded onto the connecting section or the second electrode sheet.
7. The motor shaft power supply structure according to claim 6, characterized in that: There are multiple third pole pieces, and the third pole pieces are arranged at intervals along the extension direction of the connecting section; Alternatively, there are multiple third pole pieces, and each of the third pole pieces is arranged around the second pole piece.
8. A motor, characterized in that: It comprises a motor body and a motor shaft power supply structure as described in any one of claims 1 to 7, wherein the output end of the motor body is connected to the first end of the shaft body.
9. The motor according to claim 8, characterized in that The motor body is provided with a passage hole which penetrates the motor body along the extending direction of the extending groove, and the passage hole is used for the connecting section to pass through.
10. An electric toothbrush, characterized in that: Comprising a motor as claimed in claim 8 or 9.