CN220964403U - Wireless power supply structure and digital intraoral scanner - Google Patents
Wireless power supply structure and digital intraoral scanner Download PDFInfo
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- CN220964403U CN220964403U CN202322592788.7U CN202322592788U CN220964403U CN 220964403 U CN220964403 U CN 220964403U CN 202322592788 U CN202322592788 U CN 202322592788U CN 220964403 U CN220964403 U CN 220964403U
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Abstract
The application provides a wireless power supply structure and a digital intraoral scanner, which comprise a cylindrical battery compartment, a rechargeable battery coaxially arranged in the battery compartment, and a circuit board, wherein a negative metal connecting sheet and a negative spring are coaxially arranged in the battery compartment, the negative metal connecting sheet is fixed on the bottom wall of the battery compartment, and one end of the negative spring is fixedly connected with the negative metal connecting sheet; the circuit board is fixedly attached to the outer wall surface of the battery compartment, and the negative metal connecting sheet is electrically connected with the circuit board so as to conduct the negative electrode of the rechargeable battery and the circuit board; the battery pack also comprises an electrified metal piece coaxially arranged at one end of the battery compartment, which is far away from the negative electrode metal connecting piece, and one axial end of the electrified metal piece is abutted against the positive electrode of the rechargeable battery; one side of the circuit board, which is close to the battery compartment, is electrically connected with an elastic conductive connecting piece, and one end, which is away from the circuit board, of the elastic conductive connecting piece abuts against the outer circular surface of the electrified metal piece, so that the positive electrode of the rechargeable battery and the circuit board are conducted, and the power supply of the rechargeable battery to the circuit board is realized.
Description
Technical Field
The application relates to the technical field of wireless power supply, in particular to a wireless power supply structure and a digital intraoral scanner.
Background
In recent years, with the increasing importance of people on oral health, the medical instrument industry for stomatology in China is vigorously developed, and various medical instruments for stomatology are continuously updated and iterated.
For example, the digital intraoral scanner is used as a common analysis instrument in the oral examination and diagnosis and treatment processes, based on an optical principle, a three-dimensional digital model of teeth is obtained by scanning in a patient's mouth and then is sent to a CAD/CAM platform for the design and processing of a prosthesis, so that the traditional silica gel model taking is replaced, and the diagnosis and treatment efficiency and the restoration quality of tooth restoration are greatly improved.
At present, along with the development of technology, the application requirements of wireless power supply technology on intraoral scanning products are gradually highlighted; the rechargeable battery is used for supplying power to the digital intraoral scanner, and the technical difficulty of wireless implementation of the digital intraoral scanner is realized because the digital intraoral scanner has small volume and limited internal installation space and the power supply circuit is arranged in the limited space; at present, the technical proposal of applying the rechargeable battery to the intraoral scanning product is not researched in the industry, the application requirement of the wireless power supply technology on the intraoral scanning product can not be met, and the improvement exists.
Disclosure of utility model
The application aims to provide a wireless power supply structure and a digital intraoral scanner, which are used for realizing the conduction between a movement of the digital intraoral scanner and the anode and the cathode of a rechargeable battery while ensuring the normal volume of the digital intraoral scanner, so as to meet the application requirements of a wireless power supply technology on intraoral scanning products.
The technical scheme provided by the application is as follows:
the application provides a wireless power supply structure, comprising:
a circuit board;
The battery bin is of a cylindrical structure, and a negative electrode metal connecting sheet is coaxially and fixedly arranged on the bottom wall of the battery bin; a negative electrode spring is coaxially arranged in the battery bin, and one end of the negative electrode spring is fixedly connected with the negative electrode metal connecting sheet; the circuit board is fixedly attached to the outer circular surface of the battery compartment, and the negative metal connecting sheet is electrically connected with the circuit board;
The rechargeable battery is coaxially arranged in the battery bin, and the negative electrode of the rechargeable battery is communicated with the negative electrode metal connecting sheet through the negative electrode spring;
The battery pack is characterized by further comprising an electrifying metal piece, wherein the electrifying metal piece is coaxially arranged at one end of the battery compartment, which is positioned at the positive electrode of the rechargeable battery, and one axial end of the electrifying metal piece is contacted with the positive electrode of the rechargeable battery; one side of the circuit board, which is close to the battery compartment, is electrically connected with an elastic conductive connecting piece, and one end of the elastic conductive connecting piece, which is away from the circuit board, abuts against the outer circular surface of the electrified metal piece, so that the positive electrode of the rechargeable battery and the circuit board are conducted.
According to the wireless power supply structure provided by the application, the battery bin is designed into a cylindrical structure by adapting to the shape of the rechargeable battery, the rechargeable battery is arranged in the battery bin, and the circuit board is attached to the outer circular surface of the battery bin, so that the stacking compactness of power supply units such as batteries, circuit boards and the like in the digital intraoral scanner is improved; meanwhile, an electrified metal part is coaxially arranged at one end of the battery compartment, which is positioned at the positive electrode of the battery, an elastic conductive connecting piece is arranged at one side of the circuit board, which is close to the battery compartment, corresponding to the electrified metal part, and a negative electrode metal connecting piece and a negative electrode spring are arranged at one end of the battery compartment, which is positioned at the negative electrode of the battery; in addition, the positive electrode and the negative electrode of the rechargeable battery are respectively conducted with the circuit board in a propping mode through the elastic piece, so that the stability of the electric connection between the rechargeable battery and the circuit board is effectively improved, the stable connection between the digital intraoral scanner core and the positive electrode and the negative electrode of the rechargeable battery is further realized, and the application requirement of a wireless power supply technology on intraoral scanning products is effectively met.
In some embodiments, the resilient conductive connection comprises a spring pin.
According to the wireless power supply structure, due to the fact that the compression amount of the spring needle is large, contact connection is accurate and stable, the whole size is small, and the elastic conductive connecting piece is arranged to be the spring needle, so that the power supply stability of the wireless power supply structure is improved; meanwhile, the miniaturization of the wireless power supply structure is further guaranteed, contact resistance is reduced, power consumption in a power supply process is reduced, power supply time of a power supply battery is prolonged, and service time of the digital intraoral scanner is prolonged.
In some embodiments, the device further comprises a mounting seat, wherein the energizing metal part is coaxially mounted at one axial end of the mounting seat; the battery box is characterized in that a connecting structure is arranged between the mounting seat and the battery box, and one end of the mounting seat, provided with the electrified metal piece, stretches into the battery box and is rotationally connected with the battery box through the connecting structure.
According to the wireless power supply structure provided by the application, the electrified metal piece is arranged on the mounting seat, and the connecting structure is arranged to enable the mounting seat to be rotationally connected with the battery compartment; when the battery box is in actual use, the mounting seat can be connected with the battery box only by extending one end of the mounting seat, provided with the electrified metal piece, into the battery box and then rotating the mounting seat, so that the electrified metal piece is assembled and disassembled in the battery box; the loading and unloading simple structure, the user of being convenient for changes rechargeable battery, helps promoting the use convenience of this wireless power supply structure.
In some embodiments, one axial end of the mounting seat is coaxially provided with a mounting groove, a connecting column is arranged in the mounting groove, and the length direction of the connecting column extends along the axial direction of the mounting seat;
The connecting column is provided with a connecting rod, and the connecting rod is connected with the connecting rod through the connecting rod;
And one end of the electrified metal piece, which is close to the rechargeable battery, is flush with the notch of the mounting groove.
According to the wireless power supply structure, the electrified metal part is detached and installed on the installation seat by means of the fastening bolt, the installation structure is simple, the production convenience of the wireless power supply structure is guaranteed to be improved, and the production cost of enterprises is saved; meanwhile, the mounting seat is provided with the mounting groove, and the electrified metal piece is embedded in the mounting groove, so that the operation that the electrified metal piece independently occupies the internal mounting space of the battery compartment is replaced, and the compactness of stacking of each unit of the wireless power supply structure is further improved.
In some embodiments, the connection structure includes a limit slot and a bump;
The limiting groove is formed in the outer circular surface of the mounting seat, and the notch of the limiting groove penetrates through one axial end of the mounting seat; the limiting groove comprises an inlet section axially arranged along the mounting seat and a clamping section perpendicular to the inlet section, and the clamping section is arranged at one end of the inlet section, which is away from the battery compartment;
The convex blocks are formed on the inner wall surface of the battery bin and are arranged corresponding to the limit grooves; the lug slides into the inlet section of the limiting groove along the axial direction of the battery compartment, and then slides into the clamping section of the limiting groove around the axial direction of the battery compartment until the lug is abutted with the bottom wall of the clamping section.
According to the wireless power supply structure, the rotary connection between the mounting seat and the battery bin is realized by means of sliding fit of the protruding blocks and the limiting grooves, the connection structure is simple, production is convenient, production difficulty of the wireless power supply structure is effectively reduced, and production cost of enterprises is saved.
In some embodiments, a caulking groove is formed in one side, away from the connecting column, of the electrified metal piece, and the threaded end of the fastening bolt is embedded in the caulking groove.
According to the wireless power supply structure provided by the application, the threaded end of the fastening bolt is embedded in the caulking groove, so that the flatness of the end surface of the electrified metal part, which is far away from the connecting column, is maintained, and the stable connection between the anode of the rechargeable battery and the electrified metal part is further effectively ensured.
In some embodiments, a deflector rod is arranged in the mounting groove, and the deflector rod is arranged parallel to the connecting column;
The edge of the electrified metal part corresponds to the deflector rod, and the deflector rod is embedded into the avoidance groove along the axial direction of the electrified metal part and is connected with the inner wall of the avoidance groove in a sliding manner along the axial direction of the deflector rod.
According to the wireless power supply structure provided by the application, the deflector rod is used for driving the electrified metal part to synchronously rotate along with the mounting seat when the mounting seat rotates relative to the battery compartment, so that the shearing force applied to the fastening bolt and the connecting column when the mounting seat rotates relative to the battery compartment is reduced, the stability of the fastening bolt for connecting the electrified metal part with the mounting seat is further improved, and the service life of the connecting seat is prolonged.
In some embodiments, a slot is formed in one end of the mounting base, which is away from the electrified metal part, and the slot is used for mounting a holding handle of the mounting base.
According to the wireless power supply structure, when the wireless power supply structure is disassembled and assembled, the holding handle is inserted into the slot at one end of the mounting seat, which is far away from the electrified metal part, and then the holding handle is rotated to drive the mounting seat to rotate relative to the battery compartment, so that the convenience in disassembly and assembly of the mounting seat and the electrified metal part on the mounting seat in the battery compartment is effectively improved, and the user experience is improved.
In some embodiments, the circuit board further comprises a flexible cable, wherein the negative metal connecting sheet is electrically communicated with the circuit board through the flexible cable;
The battery compartment outer wall is provided with a plurality of buckles along self axial interval, flexible cable is followed the battery compartment axial is in proper order the card is located in each buckle, so with the detachable connection of battery compartment outer wall.
According to the wireless power supply structure provided by the application, the flexible cable is arranged to be connected with the negative metal connecting sheet and the circuit board, and the flexible cable is arranged on the outer wall of the battery compartment through the buckle, so that the overall compactness of the wireless power supply structure is further improved.
On the other hand, a digital intraoral scanner is also provided, which comprises any of the wireless power supply structures;
the wireless power supply structure is arranged in the shell;
the machine core is arranged in the shell and is electrically connected with the circuit board.
Compared with the prior art, the wireless power supply structure and the digital intraoral scanner provided by the application have at least one of the following beneficial effects:
1. The battery bin is of a cylindrical structure, the rechargeable battery is arranged in the battery bin, and the circuit board is attached to the outer circular surface of the battery bin, so that the compactness of stacking of power supply units such as batteries, circuit boards and the like in the digital intraoral scanner is improved; meanwhile, an electrified metal part is coaxially arranged at one end of the battery compartment, which is positioned at the positive electrode of the battery, an elastic conductive connecting piece is arranged at one side of the circuit board, which is close to the battery compartment, corresponding to the electrified metal part, and a negative electrode metal connecting piece and a negative electrode spring are arranged at one end of the battery compartment, which is positioned at the negative electrode of the battery; in addition, the positive electrode and the negative electrode of the rechargeable battery are respectively conducted with the circuit board in a propping mode through the elastic piece, so that the stability of the electrical connection between the rechargeable battery and the circuit board is effectively improved, the stable connection between the digital intraoral scanner core and the positive electrode and the negative electrode of the rechargeable battery is realized, and the application requirement of a wireless power supply technology on intraoral scanning products is effectively met;
2. The mounting seat is provided with the mounting groove, and the electrified metal piece is embedded in the mounting groove, so that the operation that the electrified metal piece independently occupies the mounting space in the battery compartment is replaced, and the compactness of stacking of each unit of the wireless power supply structure is further improved;
3. The flexible cable is connected with the negative metal connecting sheet and the circuit board, and is arranged on the outer wall of the battery compartment through the buckle, so that the overall compactness of the wireless power supply structure is effectively ensured, and the application requirement of the wireless power supply structure in the digital intraoral scanner is further effectively met.
Drawings
The above features, technical features, advantages and implementation modes of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.
FIG. 1 is an isometric view of an overall structure of a wireless power supply structure embodying the present application;
FIG. 2 is an exploded view of an embodiment of the present application primarily embodying the placement of energized hardware;
FIG. 3 is an exploded view of an embodiment of the present application that is primarily representative of the manner in which the connection structure is provided;
FIG. 4 is a schematic axial view of an embodiment of the present application, which mainly shows the overall structure of the mounting base;
FIG. 5 is an enlarged view of a portion of an embodiment of the application that generally embodies the form of the resilient conductive connector arrangement;
FIG. 6 is a partial exploded view of an embodiment of the present application primarily showing the installation slot opening location;
Fig. 7 is an isometric view of an embodiment of the present application mainly showing the setting position of the movement.
Reference numerals illustrate:
1. A rechargeable battery; 2. a battery compartment; 21. a through hole; 22. a buckle; 3. a circuit board; 31. an elastic conductive connection; 32. a movement; 4. a negative electrode metal connecting sheet; 41. a connecting ring; 5. a negative electrode spring; 6. electrifying a metal piece; 61. a connecting sheet; 611. a guide slope; 62. a caulking groove; 63. an avoidance groove; 7. a flexible cable; 8. a mounting base; 81. a mounting groove; 82. a connecting column; 83. a deflector rod; 84. a slot; 9. a connection structure; 91. a limit groove; 911. an inlet section; 912. a clamping section; 9121. a limit bar; 92. and a bump.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will explain the specific embodiments of the present application with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the application, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present application are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
In one embodiment, referring to fig. 1 to 2 of drawings in the specification, a wireless power supply structure comprises a rechargeable battery 1 and a battery compartment 2 which is adapted to the shape of the rechargeable battery 1, wherein the rechargeable battery 1 is arranged in the battery compartment 2; the rechargeable battery also comprises a circuit board 3, and the anode and the cathode of the rechargeable battery 1 are respectively communicated with the circuit board 3; specifically, in this embodiment of the present application, the battery compartment 2 is substantially in a cylindrical structure, and the circuit board 3 is fixedly attached to the outer circumferential surface of the battery compartment 2; the battery compartment 2 is internally and sequentially provided with a negative electrode metal connecting sheet 4 and a negative electrode spring 5 along the axial direction of the battery compartment 2, wherein the negative electrode metal connecting sheet 4 and the negative electrode spring 5 are coaxially arranged with the battery compartment 2, the negative electrode metal connecting sheet 4 is fixedly arranged on the bottom wall of the battery compartment 2 and is electrically connected with the circuit board 3, and one end of the negative electrode spring 5 is fixedly connected with the negative electrode metal connecting sheet 4; the rechargeable battery 1 is coaxially arranged in the battery bin 2, and the negative electrode of the rechargeable battery 1 abuts against one end of the negative electrode spring 5, which is away from the negative electrode metal connecting sheet 4, so that the circuit board 3 is conducted with the negative electrode metal connecting sheet 4 through the negative electrode spring 5; meanwhile, an electrified metal piece 6 is coaxially arranged in the battery compartment 2, and the electrified metal piece 6 is arranged at one end of the battery compartment 2, which is away from the negative electrode metal connecting sheet 4; in addition, one side of the circuit board 3, which is close to the battery compartment 2, is electrically connected with an elastic conductive connecting piece 31; after assembly, under the action of the negative electrode spring 5, the positive electrode of the rechargeable battery 1 abuts against one end of the electrified metal piece 6, which is axially close to the negative electrode metal connecting piece 4, and one end of the elastic conductive connecting piece 31, which is away from the circuit board 3, abuts against the outer circular surface of the electrified metal piece 6, so that the positive electrode of the rechargeable battery 1 and the circuit board 3 are conducted.
In this way, the battery compartment 2 is adapted to the shape of the rechargeable battery 1 to be cylindrical, and then the negative metal connecting sheet 4, the negative spring 5, the rechargeable battery 1 and the electrified metal piece 6 are sequentially and coaxially arranged in the battery compartment 2; meanwhile, the circuit board 3 is attached to the outer circular surface of the battery compartment 2, and the elastic conductive connecting piece 31 is arranged between the circuit board 3 and the battery compartment 2, so that the volume of the wireless power supply structure is compressed as much as possible, the stacking compactness of the wireless power supply structure in the digital intraoral scanner shell is improved, the occupied space of the wireless power supply structure in the digital intraoral scanner shell is reduced, and the installation requirement of the wireless power supply structure in the digital intraoral scanner shell is effectively met; moreover, the negative electrode metal connecting sheet 4 is abutted against the negative electrode of the rechargeable battery 1 by the negative electrode spring 5, so that the circuit between the negative electrode of the rechargeable battery 1 and the circuit board 3 is conducted, the positive electrode of the rechargeable battery 1 is abutted against the end face of the electrified metal piece 6, and the elastic conductive connecting piece 31 is combined to be abutted against the outer circular surface of the electrified metal piece 6, so that the circuit between the positive electrode of the rechargeable battery 1 and the circuit board 3 is conducted; therefore, the wireless power supply structure is integrally connected with the circuit in a propping mode through the elastic piece, the stability of electric connection between the rechargeable battery 1 and the circuit board 3 is effectively guaranteed, and further stable power supply of the rechargeable battery 1 to the digital intraoral scanner is realized, and the application requirement of a wireless power supply technology on intraoral scanning products is effectively met.
In one embodiment, based on the foregoing embodiment, specifically, referring to fig. 1 to 2, the outer wall surface of the battery compartment 2 is provided with a support column, the circuit board 3 is provided with a fastening bolt corresponding to the support column, and the threaded end of the fastening bolt penetrates through the thickness direction of the circuit board 3 and is screwed into the corresponding support column, so that the circuit board 3 is detachably mounted on the outer wall surface of the battery compartment 2.
Meanwhile, one side of the circuit board 3 close to the support column is also connected with a flexible cable 7; the side wall of the battery compartment 2 is provided with a through hole 21 corresponding to the position of the negative electrode spring 5 and the negative electrode metal connecting sheet 4, and the through hole 21 penetrates through the side wall of the battery compartment 2 along the radial direction of the corresponding position of the battery compartment 2; the edge of the negative electrode metal connecting sheet 4 protrudes out of the outer circular surface thereof and is provided with a connecting ring 41; after the negative electrode metal connecting sheet 4 is fixedly arranged on the bottom wall of the battery compartment 2, the connecting ring 41 extends out of the battery compartment 2 from the through hole 21 and is fixedly connected with one end of the flexible cable 7, which is away from the circuit board 3. Of course, besides avoiding the connection ring 41, the through hole 21 has other functions, for example, for adapting to the shape of the inner wall of the scanner housing in the digital port, so that the heat generated by the rechargeable battery 1 is dissipated outwards from the through hole 21, and the excessive temperature in the battery compartment 2 is avoided.
Correspondingly, a plurality of buckles 22 are arranged on the outer wall of the battery compartment 2 along the axial direction at intervals, and flexible cables 7 between the circuit board 3 and the connecting ring 41 are sequentially clamped in the buckles 22 along the axial direction of the battery compartment 2 so as to be stored in the outer wall surface of the battery compartment 2. Moreover, in order to improve the stability of the flexible cable 7 mounted on the outer wall of the battery compartment 2, the openings of the adjacent buckles 22 are arranged oppositely so as to hold the flexible cable 7 tightly between the openings of the adjacent buckles 22.
Further, referring to fig. 3, the energizing metal part 6 is in a substantially cake-shaped structure, in order to detachably mount the energizing metal part 6 in the battery compartment 2, in this embodiment of the application, the wireless power supply structure further includes a mounting seat 8, the mounting seat 8 is in a cylindrical structure and is coaxially disposed with the battery compartment 2, and the energizing metal part 6 is coaxially mounted at one axial end of the mounting seat 8; and a connecting structure 9 is arranged between the mounting seat 8 and the battery compartment 2, and when the battery compartment 2 is assembled, one end of the mounting seat 8, provided with the electrified metal piece 6, stretches into the battery compartment 2 and is rotationally connected with the battery compartment 2 through the connecting structure 9 until the positive electrode of the rechargeable battery 1 abuts against the corresponding shaft end face of the electrified metal piece 6.
Referring to fig. 2 to 4, in order to reduce the production difficulty of the wireless power supply structure and improve the convenience of disassembly and assembly of the mounting seat 8 relative to the battery compartment 2, in this embodiment of the present application, the connection structure 9 includes a limiting groove 91 formed on an outer circumferential surface of the mounting seat 8, and specifically, the limiting groove 91 includes an inlet section 911 and a clamping section 912 which are disposed in a communicating manner, wherein the inlet section 911 is formed at one end of the mounting seat 8 near the rechargeable battery 1 and extends along the axial direction of the mounting seat 8, and the clamping section 912 is formed at one end of the inlet section 911 facing away from a notch of the mounting groove 81 and is disposed perpendicular to the inlet section 911; the notch of the limit groove 91 is positioned at one end of the inlet section 911, which is away from the clamping section 912, and penetrates through the end face of the mounting seat 8, which is close to the rechargeable battery 1; the connection structure 9 further comprises a bump 92 formed on the inner wall surface of the battery compartment 2, the bump 92 is correspondingly arranged with the limit groove 91, and the side wall of the bump 92 is in sliding fit with the corresponding inner wall surface of the limit groove 91. During assembly, one end of the mounting seat 8 provided with the electrified metal piece 6 extends into the battery compartment 2 along the axial direction of the battery compartment 2, and meanwhile, the convex block 92 is embedded into the inlet section 911 and slides relative to the inner wall of the inlet section 911 along the axial direction of the mounting seat 8 until being abutted with the bottom wall of the inlet section 911; then, the mounting seat 8 is rotated around the axis of the battery compartment 2, the protruding block 92 slides into the clamping section 912 of the limiting groove 91 and slides around the axis of the battery compartment 2 relative to the inner wall of the clamping section 912 until being abutted with the bottom wall of the clamping section 912; when the device is disassembled, the device can slide reversely; with this realization mount pad 8 demountable installation in battery compartment 2, connection structure 9 is simple, the production and the operation of being convenient for effectively save enterprise manufacturing cost to promote user's use experience.
Referring to fig. 4, in order to improve the stability of the connection of the mounting seat 8 relative to the battery compartment 2, a limiting strip 9121 is further disposed in the middle of the mounting seat 8 in the extending direction of the clamping section 912, and after the protruding block 92 abuts against the bottom wall of the clamping section 912, one end of the protruding block, which deviates from the bottom wall of the clamping section 912, abuts against the limiting strip 9121, so that the situation that the protruding block 92 is separated from the clamping section 912 is reduced. In addition, in order to improve the connection stability between the mounting seat 8 and the battery compartment 2, a plurality of connection structures 9 may be disposed between the mounting seat 8 and the battery compartment 2 at intervals, in this embodiment of the present application, two connection structures 9 are disposed, and the two connection structures 9 are respectively located at two arbitrary radial ends of the battery compartment 2.
Referring to fig. 2 and 3, in order to further promote miniaturization of the wireless power supply structure and ensure stable communication of the circuit, in this embodiment of the present application, the elastic conductive connecting member 31 includes a spring PIN (i.e. a POGO PIN connector) disposed parallel to a radial direction of a corresponding position of the battery compartment 2, wherein a needle tube end of the spring PIN is fixedly welded to a side of the circuit board 3 near the support column, and a needle end of the spring PIN penetrates through a side wall of the corresponding position of the battery compartment 2 and extends into the battery compartment 2 to abut against an outer circumferential surface of the electrified metal member 6. Specifically, referring to fig. 3 and 5, in this embodiment of the present application, a connecting piece 61 is integrally formed on an outer circumferential surface of the metal piece 6, the connecting piece 61 is formed at one end of the metal piece 6 facing away from the rechargeable battery 1, and the outer circumferential surface of the connecting piece 61 and the outer circumferential surface of the metal piece 6 are coaxially disposed and protrude from the outer circumferential surface of the metal piece 6; the end of the connection piece 61 extending around the axial direction of the metal piece 6 is provided with a guide slope 611, and the guide slope 611 gradually inclines from the inlet section 911 to the bottom wall of the clamping section 912 along the extending direction of the clamping section 912 to the position away from the axial line of the metal piece 6 until the guide slope is smoothly connected with the outer circumferential surface of the connection piece 61. When the protruding block 92 is abutted against the bottom wall of the inlet section 911 and starts to slide into the clamping section 912 around the axis of the battery compartment 2 during assembly, the needle end of the spring needle slides relative to the guide slope 611 around the axis of the battery compartment 2 and is gradually compressed until the protruding block 92 is abutted against the bottom wall of the clamping section 912, and the needle end of the spring needle abuts against the outer circular surface of the connecting sheet 61. Because the compression amount of the spring needle is large, the connection between the needle end of the spring needle and the outer circular surface of the connecting sheet 61 is stable, and the stable conduction of a circuit between the anode of the rechargeable battery 1 and the circuit board 3 is effectively ensured; in addition, the spring needle has smaller whole volume and stable pressure, is beneficial to ensuring the whole stability of the wireless power supply structure and further promotes the miniaturization of the volume of the wireless power supply structure; meanwhile, the contact resistance is also reduced, so that the power consumption in the power supply process is reduced, and the power supply time of the power supply battery 1 is further prolonged, namely the service time of the digital intraoral scanner is prolonged. Of course, in the embodiment of the present application, the elastic conductive connecting member 31 may be provided as other conductive metal members, and the type of the elastic conductive connecting member 31 is not particularly limited in the embodiment of the present application.
Of course, in the embodiment of the present application, the power supply structure located at the negative electrode of the rechargeable battery 1 may also be configured in a form of combining the energizing metal member 6 with the elastic conductive connecting member 31, and in actual production, a technician may select the power supply structure according to the actual situation.
Further, referring to fig. 4 to 6, in order to further compress the volume of the wireless power supply structure, in this embodiment of the present application, an installation groove 81 is coaxially formed at an end of the installation seat 8 axially close to the rechargeable battery 1, and the energizing metal member 6 is coaxially installed in the installation groove 81. Specifically, the bottom wall of the mounting groove 81 is formed with a connecting column 82 along the axial extension of the mounting seat 8, and the electrified metal piece 6 is provided with a fastening bolt corresponding to the connecting column 82; during production, the threaded end of the fastening bolt penetrates through the thickness direction of the electrified metal part 6 and is screwed into the connecting column 82, so that the electrified metal part 6 is detachably connected with one axial end of the mounting seat 8; in order to improve the mounting stability of the energized metal piece 6 on the mounting seat 8, a plurality of connecting posts 82 may be arranged in parallel at intervals. Meanwhile, the caulking groove 62 is formed in one side, deviating from the connecting column 82, of the electrified metal piece 6, after the electrified metal piece 6 is stably installed on the installation seat 8, the nut end of the fastening bolt is embedded into the caulking groove 62 so as to keep the end face, deviating from the connecting column 82, of the electrified metal piece 6 smooth, and accordingly stability of the corresponding end face of the electrified metal piece 6, against the positive electrode of the rechargeable battery 1, is improved.
In addition, after the electrified metal part 6 is fixedly installed in the installation groove 81, one end of the electrified metal part, which is close to the rechargeable battery 1, is flush with the notch of the installation groove 81, so as to ensure that the positive electrode of the rechargeable battery 1 stably abuts against the corresponding shaft end face of the electrified metal part 6.
Simultaneously, the diapire of mounting groove 81 still is equipped with at least one driving lever 83, and driving lever 83 is on a parallel with spliced pole 82 setting, and the edge of circular telegram metalwork 6 is provided with dodges the groove 63, dodges groove 63 and driving lever 83 one-to-one, and arbitrary driving lever 83 all imbeds along the axial of circular telegram metalwork 6 and dodges in the groove 63 to slide along self axial and corresponding the groove 63 inner wall of dodging and be connected. The deflector rod 83 is used for driving the electrified metal part 6 to synchronously rotate along with the mounting seat 8 so as to reduce the shearing force suffered by the fastening bolt and the connecting column 82 when the mounting seat 8 rotates relative to the battery compartment 2, further improve the stability of the fastening bolt for connecting the electrified metal part 6 with the mounting seat 8, prolong the service life of the connecting seat and ensure the normal connection of the spring needle and the connecting sheet 61 after the fixing seat is mounted in the battery compartment 2.
In addition, referring to fig. 1 to 3, a slot 84 is formed at an end of the mounting base 8 facing away from the energizing metal part 6, the slot 84 is disposed at an axis of the energizing metal part 6, and an axial section of the slot is non-circular. When the mounting seat 8 is dismounted, the holding handle is inserted into the slot 84 along the axial direction of the mounting seat 8, and then the holding handle is rotated around the axis of the mounting seat 8, so that the mounting seat 8 is driven to rotate relative to the battery compartment 2, the dismounting convenience of the mounting seat 8 and the electrified metal piece 6 on the mounting seat on the battery compartment 2 is improved, and the battery can be conveniently replaced by a worker.
In one embodiment, and based on the foregoing embodiment, referring to fig. 7, a digital intraoral scanner includes a wireless power architecture as described in any of the foregoing; still include casing and core 32, wireless power supply structure and core 32 are all installed in the casing, and specifically, core 32 installs the one end that deviates from the spring needle with circuit board 3 to with circuit board 3 electric connection, so realize rechargeable battery 1 to the power supply of digital intraoral scanner core 32.
The implementation principle of the embodiment of the application is as follows: in actual production, the battery bin 2 is adapted to the shape of the rechargeable battery 1 to be cylindrical, the rechargeable battery 1 is arranged in the battery bin 2, a negative metal connecting sheet 4 and a negative spring 5 are arranged at the negative electrode of the rechargeable battery 1 in the battery bin 2, an electrified metal piece 6 is detachably arranged at the positive electrode of the rechargeable battery 1 in the battery bin 2, the positive electrode of the rechargeable battery 1 is abutted against the axial end surface of the electrified metal piece 6 by utilizing the negative spring 5, and the outer circular surface of the electrified metal piece 6 is abutted against by combining a spring needle, so that the circuit between the positive electrode of the rechargeable battery 1 and the circuit board 3 is conducted; meanwhile, the anode of the rechargeable battery 1 is conducted with the circuit board 3 through the anode spring 5, the anode metal connecting sheet 4 and the flexible cable 7, so that the conduction of the circuit between the anode and the cathode of the rechargeable battery 1 and the circuit board 3 is realized, namely, the power supply of the rechargeable battery 1 to the digital intraoral scanner is realized, and the application requirement of a wireless power supply technology on intraoral scanning products is met; meanwhile, as the circuit board 3 is attached to the outer circular surface of the battery compartment 2, the negative metal connecting sheet 4, the negative spring 5, the rechargeable battery 1 and the electrified metal piece 6 are all arranged in the battery compartment 2, and the elastic conductive connecting piece 31 is arranged between the battery compartment 2 and the circuit board 3, the volume of the wireless power supply structure is effectively compressed, the stacking compactness of the wireless power supply structure in the digital intraoral scanner shell is improved, and therefore the installation requirement of the wireless power supply structure in the digital intraoral scanner shell is effectively met, and the application requirement of the wireless power supply structure on intraoral scanning products is effectively met; moreover, because the wireless power supply structure is simple as a whole, the wireless power supply structure is convenient to manufacture, and the production cost of enterprises is effectively saved.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application, which are intended to be comprehended within the scope of the present application.
Claims (10)
1. A wireless power supply structure, comprising:
a circuit board;
The battery bin is of a cylindrical structure, and a negative electrode metal connecting sheet is coaxially and fixedly arranged on the bottom wall of the battery bin; a negative electrode spring is coaxially arranged in the battery bin, and one end of the negative electrode spring is fixedly connected with the negative electrode metal connecting sheet; the circuit board is fixedly attached to the outer wall surface of the battery compartment, and the negative metal connecting sheet is electrically connected with the circuit board;
The rechargeable battery is coaxially arranged in the battery bin, and the negative electrode of the rechargeable battery is communicated with the negative electrode metal connecting sheet through the negative electrode spring;
The battery pack is characterized by further comprising an electrifying metal piece, wherein the electrifying metal piece is coaxially arranged at one end of the battery compartment, which is positioned at the positive electrode of the rechargeable battery, and one axial end of the electrifying metal piece is contacted with the positive electrode of the rechargeable battery; one side of the circuit board, which is close to the battery compartment, is electrically connected with an elastic conductive connecting piece, and one end of the elastic conductive connecting piece, which is away from the circuit board, abuts against the outer circular surface of the electrified metal piece, so that the positive electrode of the rechargeable battery and the circuit board are conducted.
2. A wireless power supply structure according to claim 1, wherein said resilient conductive connector comprises a spring pin.
3. The wireless power supply structure of claim 1, further comprising a mounting base, wherein the energized metal piece is coaxially mounted at one axial end of the mounting base;
The battery box is characterized in that a connecting structure is arranged between the mounting seat and the battery box, and one end of the mounting seat, provided with the electrified metal piece, stretches into the battery box and is rotationally connected with the battery box through the connecting structure.
4. A wireless power supply structure according to claim 3, wherein said connection structure comprises a limit slot and a bump;
The limiting groove is formed in the outer circular surface of the mounting seat, and the notch of the limiting groove penetrates through one axial end of the mounting seat; the limiting groove comprises an inlet section axially arranged along the mounting seat and a clamping section perpendicular to the inlet section, and the clamping section is arranged at one end of the inlet section, which is away from the battery compartment;
The convex blocks are formed on the inner wall surface of the battery bin and are arranged corresponding to the limit grooves; the lug slides into the inlet section of the limiting groove along the axial direction of the battery compartment, and then slides into the clamping section of the limiting groove around the axial direction of the battery compartment until the lug is abutted with the bottom wall of the clamping section.
5. The wireless power supply structure according to claim 3, wherein one axial end of the mounting seat is coaxially provided with a mounting groove, a connecting column is arranged in the mounting groove, and the length direction of the connecting column extends along the axial direction of the mounting seat;
The connecting column is provided with a connecting rod, and the connecting rod is connected with the connecting rod through the connecting rod;
And one end of the electrified metal piece, which is close to the rechargeable battery, is flush with the notch of the mounting groove.
6. The wireless power supply structure according to claim 5, wherein a caulking groove is formed in a side, away from the connecting post, of the electrified metal piece, and a threaded end of the fastening bolt is embedded in the caulking groove.
7. The wireless power supply structure of claim 5, wherein a deflector rod is disposed in the mounting groove, the deflector rod being disposed parallel to the connecting post;
The edge of the electrified metal part corresponds to the deflector rod, and the deflector rod is embedded into the avoidance groove along the axial direction of the electrified metal part and is connected with the inner wall of the avoidance groove in a sliding manner along the axial direction of the deflector rod.
8. The wireless power supply structure according to any one of claims 3 to 7, wherein a slot is formed in an end of the mounting base facing away from the energizing metal part, and the slot is used for mounting a grip handle of the mounting base.
9. The wireless power supply structure of claim 1, further comprising a flexible cable, wherein said negative metal connection pad is in electrical communication with said circuit board via said flexible cable;
The battery compartment outer wall is provided with a plurality of buckles along self axial interval, flexible cable is followed the battery compartment axial is in proper order the card is located in each buckle, so with the detachable connection of battery compartment outer wall.
10. A digital intraoral scanner comprising a wireless power architecture according to any of claims 1-9;
the wireless power supply structure is arranged in the shell;
the machine core is arranged in the shell and is electrically connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322592788.7U CN220964403U (en) | 2023-09-25 | 2023-09-25 | Wireless power supply structure and digital intraoral scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322592788.7U CN220964403U (en) | 2023-09-25 | 2023-09-25 | Wireless power supply structure and digital intraoral scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220964403U true CN220964403U (en) | 2024-05-14 |
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ID=91006229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322592788.7U Active CN220964403U (en) | 2023-09-25 | 2023-09-25 | Wireless power supply structure and digital intraoral scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220964403U (en) |
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2023
- 2023-09-25 CN CN202322592788.7U patent/CN220964403U/en active Active
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