CN219144386U - Button cell assembly structure - Google Patents
Button cell assembly structure Download PDFInfo
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- CN219144386U CN219144386U CN202321047914.4U CN202321047914U CN219144386U CN 219144386 U CN219144386 U CN 219144386U CN 202321047914 U CN202321047914 U CN 202321047914U CN 219144386 U CN219144386 U CN 219144386U
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- button cell
- circuit board
- elastic sheet
- conductive elastic
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a button cell assembly structure, which comprises a button cell and a circuit board, wherein a through hole penetrating through the circuit board is formed in the circuit board, the through hole is used for accommodating the button cell, a positive conductive elastic sheet and a negative conductive elastic sheet are arranged on the circuit board, the positive conductive elastic sheet elastically abuts against the positive annular side surface of the button cell and is matched with the hole wall of the through hole to press the button cell, and the negative conductive elastic sheet is positioned at one end of the through hole and elastically abuts against the negative end surface of the button cell. The button cell assembly structure has the advantages of compact structure, convenience in disassembly and assembly and good installation stability.
Description
Technical Field
The utility model relates to the technical field of battery assembly, in particular to a button battery assembly structure.
Background
At present, button cells are installed in a battery compartment when being installed and used, but the traditional battery compartment is complex in structure, high in manufacturing cost and inconvenient to detach, the shape of the button cells is limited, the assembly difficulty of products can be increased, and due to the fact that the button cells are poor in installation stability, namely the whole deformation of product components is large, the fixing strength is insufficient, and therefore falling, vibration, easy loosening due to stress, falling and the like are caused. The prior method for assembling the button cell on the circuit board is generally two, namely, firstly, the button cell is assembled in a cell bin, then the cell bin is connected with the circuit board, the button cell and the circuit board are arranged separately, so that the product structure is not compact, the cell bin is increased, the product space is wasted, and secondly, the button cell is directly arranged on the surface of the printed circuit board, the method can cause difficult installation, and the thickness of the circuit board is also directly increased.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects existing in the prior art and providing the button cell assembly structure which is compact in structure, convenient to assemble and disassemble and good in installation stability.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the button battery assembly structure comprises a button battery and a circuit board, wherein a through hole penetrating through the circuit board is formed in the circuit board, the through hole is used for accommodating the button battery, a positive conductive elastic sheet and a negative conductive elastic sheet are arranged on the circuit board, the positive conductive elastic sheet elastically abuts against the positive annular side surface of the button battery and is matched with the hole wall of the through hole to press the button battery, and the negative conductive elastic sheet is positioned at one end of the through hole and elastically abuts against the negative end surface of the button battery;
the positive electrode conductive elastic sheet comprises a positive electrode plane elastic wall which is directly contacted with the positive electrode annular side surface of the button cell for conducting, the positive electrode plane elastic wall is in line contact fit with the positive electrode annular side surface of the button cell, a contact line of the positive electrode plane elastic wall and the positive electrode annular side surface of the button cell extends along the through hole penetrating direction, the negative electrode conductive elastic sheet comprises a negative electrode cambered surface elastic wall which is directly contacted with the negative electrode end surface of the button cell for conducting, and the negative electrode cambered surface elastic wall is in line contact fit with the negative electrode end surface of the button cell;
the positive electrode conductive elastic sheet comprises a guide part used for guiding the button cell when the button cell is mounted in the through hole, the guide part is connected with the positive electrode plane elastic wall, the guide part is positioned on one side of the positive electrode plane elastic wall opposite to the negative electrode conductive elastic sheet, the guide part is provided with a guide surface, the guide surface is gradually far away from the center position of the through hole along the direction far away from the negative electrode conductive elastic sheet, and the guide surface is smoothly connected with the positive electrode plane elastic wall through an arc surface.
As a further improvement of the above technical scheme:
the positive electrode conductive elastic sheet and the negative electrode conductive elastic sheet are welded on the circuit board, and the circuit board is provided with a first positioning mechanism for positioning the positive electrode conductive elastic sheet and a second positioning mechanism for positioning the negative electrode conductive elastic sheet during welding.
The first positioning mechanism comprises a first positioning groove arranged on the circuit board, the positive conductive elastic sheet comprises a first positioning part, the first positioning part is inserted into the first positioning groove, the second positioning mechanism comprises two groups of second groove groups arranged on the circuit board, each second groove group comprises more than one second positioning groove, each second positioning groove corresponding to each negative conductive elastic sheet is provided with a second positioning part, and the second positioning parts are inserted into the corresponding second positioning grooves.
The negative electrode conductive elastic sheet comprises supporting parts connected between the second positioning parts, the supporting parts are arranged across the through holes, and a negative electrode identification part for identifying the installation position of the negative electrode of the button cell is arranged on one side, close to the through holes, of the supporting parts.
The battery pressing cover is arranged on the circuit board and used for covering and protecting the positive end face of the button battery, and the battery pressing cover is arranged on the circuit board through the detachable locking mechanism.
The circuit board is equipped with a installation department, the through-hole is established on the installation department, can dismantle locking mechanism including locating two joint recesses on the battery gland, two joint recess cutting ferrule are in make battery gland can slide and break away from the installation department on the opposite both sides edge of installation department, can dismantle locking mechanism still including locating the screw hole on the circuit board and be used for when two joint recess cutting ferrule are in with the screw hole cooperation is connected in order to prevent that the battery gland breaks away from the screw of installation department when the opposite both sides edge of installation department.
And the battery gland is matched with the negative electrode conductive elastic sheet to compress the button battery.
The surface of the battery gland is provided with a positive pole identification part for identifying the mounting position of the positive pole of the button battery.
Compared with the prior art, the utility model has the advantages that: according to the button cell assembly structure, when the button cell is installed, the annular side face of the positive electrode of the button cell is aligned with the through hole, then the button cell is pressed downwards along the penetrating direction of the through hole until the end face of the negative electrode of the button cell is elastically abutted with the negative electrode conductive elastic piece, meanwhile, the positive electrode conductive elastic piece can elastically abut against the button cell on the hole wall of the through hole, and the button cell assembly structure is compact in structure, convenient to install and detach, and can save assembly flow compared with the mode of assembling the button cell and the circuit board together through the battery bin, so that the installation structure is compact, the product space is optimized, the occupied space of the button cell assembly structure is reduced by fully utilizing the height of the circuit board, the whole product structure is modularized, and on the other hand, the negative electrode conductive elastic piece supports the button cell on the basis of elastic abutment of the positive electrode conductive elastic piece, and the installation stability of the button cell and the reliability of contact between the button cell and the positive electrode conductive elastic piece and the negative electrode conductive elastic piece can be ensured.
Drawings
Fig. 1 is an exploded structural view of a button cell assembly structure.
Fig. 2 is a schematic view of a partial perspective structure of the button cell assembly structure when the button cell is detached.
Fig. 3 is a partial perspective view of a button cell assembly structure when the button cell is mounted.
Legend description:
1. a button cell; 2. a circuit board; 21. a through hole; 22. a first positioning groove; 23. a second positioning groove; 24. a mounting part; 25. screw holes; 3. a positive electrode conductive spring plate; 31. the plane of the positive electrode is sprung; 32. a guide part; 33. a first positioning portion; 4. a negative electrode conductive spring plate; 41. a cambered surface spring wall of the negative electrode; 42. a second positioning portion; 43. a support part; 431. a negative electrode identification portion; 5. a battery gland; 51. a clamping groove; 52. a positive electrode identification part; 6. and (5) a screw.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 3, the button cell assembly structure of the present embodiment includes a button cell 1 and a circuit board 2, wherein a through hole 21 penetrating through the circuit board 2 is provided on the circuit board 2, the through hole 21 is used for installing and accommodating the button cell 1, a positive conductive elastic sheet 3 and a negative conductive elastic sheet 4 are installed on the circuit board 2, the positive conductive elastic sheet 3 elastically abuts against a positive annular side surface of the button cell 1 and cooperates with a hole wall of the through hole 21 to compress the button cell 1, and the negative conductive elastic sheet 4 is located at one end of the through hole 21 and elastically abuts against a negative end surface of the button cell 1. When the button cell 1 is installed, the annular side face of the positive electrode of the button cell 1 is aligned with the through hole 21, then the button cell 1 is pressed downwards along the penetrating direction of the through hole 21 until the negative electrode end face of the button cell 1 is elastically abutted with the negative electrode conductive spring piece 4, meanwhile, the positive electrode conductive spring piece 3 can elastically abut against the button cell 1 on the hole wall of the through hole 21, the manner of directly installing the button cell 1 on the through hole 21 formed on the circuit board 2 is compact in structure, the installation and the disassembly are convenient, compared with the manner of assembling the button cell 1 and the circuit board 2 together through a cell bin, the assembly process can be saved, the installation structure is compact, the product space is optimized, compared with the manner of directly fixing the button cell 1 on the surface of the circuit board 2, the height of the circuit board 2 is fully utilized, the space occupied by the assembly structure of the button cell 1 is reduced, and the whole structure of the product is modularized.
In this embodiment, the positive conductive elastic sheet 3 includes a positive planar elastic wall 31 that directly contacts with the positive annular side surface of the button cell 1, the positive planar elastic wall 31 is in line contact with the positive annular side surface of the button cell 1, and the contact line of the positive planar elastic wall 31 and the positive annular side surface of the button cell 1 extends along the penetrating direction of the through hole 21, so that the contact area between the positive conductive elastic sheet 3 and the button cell 1 can be increased, the contact between the positive conductive elastic sheet 3 and the button cell 1 is more sensitive, the conductive reliability is ensured, the negative conductive elastic sheet 4 includes a negative arc elastic wall 41 that directly contacts with the negative end surface of the button cell 1, and the negative arc elastic wall 41 is in line contact with the negative end surface of the button cell 1. The contact area of the negative electrode conductive spring piece 4 and the button cell 1 can be increased, so that the negative electrode conductive spring piece 4 is more sensitive to contact with the button cell 1, the conductive reliability is ensured, and the button cell 1 cannot be ejected from the through hole 21 after the negative electrode cambered surface spring wall 41 is pressed. In the manner of the contact between the arc surface and the plane, the contact reliability with the button cell 1 can be ensured even after the anode plane elastic wall 31 or the cathode arc surface elastic wall 41 is deformed.
In this embodiment, the positive conductive elastic sheet 3 includes a guiding portion 32 for guiding the button cell 1 when it is mounted in the through hole 21, the guiding portion 32 is connected with the positive plane elastic wall 31, and the guiding portion 32 is located on one side of the positive plane elastic wall 31 opposite to the negative conductive elastic sheet 4, the guiding portion 32 has a guiding surface, the guiding surface is gradually far away from the center position of the through hole 21 along the direction far away from the negative conductive elastic sheet 4, and the guiding surface is smoothly connected with the positive plane elastic wall 31 through an arc surface. When installing button cell 1, button cell 1 can pass through the guide surface of guide part 32 in proper order, cambered surface and anodal plane bullet wall 31, when the guide surface of guide part 32, can make button cell 1 follow the direction motion of link up through-hole 21 after the pressurized, and the setting of cambered surface can make button cell 1 after the pressurized smooth and easy from guide part 32 transition to anodal plane bullet wall 31 to the convenience is installed button cell 1 on circuit board 2.
In this embodiment, the positive conductive shrapnel 3 and the negative conductive shrapnel 4 are both welded on the circuit board 2, just the positive conductive shrapnel 3 and the negative conductive shrapnel 4 are welded on the circuit board 2 in the previous procedure of installing the button cell 1, only the button cell 1 needs to be directly installed in the through hole 21 when installing the button cell 1, the time of installing the positive conductive shrapnel 3 and the negative conductive shrapnel 4 can be saved, the arrangement of automatic production is facilitated, the product quality is improved, and a first positioning mechanism for positioning the positive conductive shrapnel 3 and a second positioning mechanism for positioning the negative conductive shrapnel 4 when being welded are arranged on the circuit board 2. The arrangement of the first positioning mechanism and the second positioning mechanism can ensure that the welding between the positive electrode conductive spring plate 3 and the negative electrode conductive spring plate 4 and the circuit board 2 does not have false welding, false welding and large-direction position offset, so that the assembly of the positive electrode conductive spring plate 3 and the negative electrode conductive spring plate 4 and the circuit board 2 is stable, the positive electrode conductive spring plate and the negative electrode conductive spring plate 4 cannot fall off easily, the manufacturing cost is saved, and the assembly of the follow-up button cell 1 is also convenient.
In this embodiment, the first positioning mechanism includes a first positioning groove 22 disposed on the circuit board 2, the positive conductive elastic sheet 3 includes a first positioning portion 33, the first positioning portion 33 is inserted into the first positioning groove 22, the second positioning mechanism includes two sets of second groove sets disposed on the circuit board 2, each second groove set includes more than one second positioning groove 23, a second positioning portion 42 is disposed on the negative conductive elastic sheet 4 corresponding to each second positioning groove 23, and the second positioning portion 42 is inserted into the second positioning groove 23 corresponding to the set position. The first positioning mechanism is set to be in a combined structure form that the first positioning groove 22 is matched with the first positioning part 33, the second positioning mechanism is set to be in a combined structure form that the second positioning groove 23 is matched with the second positioning part 42, and the structure is simple, the operation is convenient, and the plug-in positioning mode can form limit, so that the follow-up welding is convenient.
In this embodiment, the negative electrode conductive elastic sheet 4 includes a supporting portion 43 connected between the second positioning portions 42, where the supporting portion 43 spans across the through hole 21, so that not only can the button cell 1 be supported, but also the button cell 1 can be prevented from being exposed, a negative electrode identification portion 431 for identifying the mounting position of the negative electrode of the button cell 1 is provided on one side of the supporting portion 43 close to the through hole 21, and the negative electrode identification portion 431 plays a role in identifying the negative electrode of the button cell 1, so as to prevent the button cell 1 from being reversely assembled.
In this embodiment, a battery cover 5 for covering and protecting the positive end face of the button battery 1 is provided on the circuit board 2, and the battery cover 5 is mounted on the circuit board 2 by a detachable locking mechanism. The battery gland 5 can effectively avoid adverse factors such as falling and vibration of the button battery 1 in the transportation and use processes, shield the exposed part of the button battery 1 and prevent children from touching and mistakenly swallowing the button battery 1.
In this embodiment, the circuit board 2 is provided with a mounting portion 24, the through hole 21 is formed in the mounting portion 24, the detachable locking mechanism includes two clamping grooves 51 formed in the battery gland 5, the two clamping grooves 51 are clamped and sleeved on two opposite sides of the mounting portion 24 to enable the battery gland 5 to slide away from the mounting portion 24, and the detachable locking mechanism further includes a screw hole 25 formed in the circuit board 2 and a screw 6 for being matched and connected with the screw hole 25 when the two clamping grooves 51 are clamped and sleeved on two opposite sides of the mounting portion 24 to prevent the battery gland 5 from being separated from the mounting portion 24. When the battery gland 5 is installed, the two clamping grooves 51 of the battery gland 5 are respectively sleeved on two opposite sides of the installation portion 24 and slide towards the inside of the circuit board 2 along the two opposite sides of the installation portion 24, then the battery gland 5 is compressed tightly through the cooperation of the screws 6 and the screw holes 25, when the battery gland 5 is disassembled, the screws 6 are screwed out, the battery gland 5 slides to the outside of the circuit board 2 along the two opposite sides of the installation portion 24, the detachable locking mechanism is designed into a combined structure form that the two clamping grooves 51 are matched and connected with the screw holes 25, the clamping sleeve limit is carried out by utilizing the circuit board 2, the installation structure is compact by utilizing the thickness of the circuit board 2, the two clamping grooves 51 are in sliding fit with the circuit board 2, the installation structure is convenient to install and disassemble, the stability of the installation structure is guaranteed, the complete limit of the battery gland 5 is realized through the cooperation of the screws 6 and the screw holes 25, the operation is simple, the connection stability is convenient, compared with the mode that the cooperation of the screws 6 and the screw holes 25 is connected to the locking mode, the operation is convenient, the installation time is saved, and the installation stability is guaranteed in the direct installation mode.
In this embodiment, the battery gland 5 and the negative electrode conductive elastic sheet 4 cooperate to compress the button battery 1, so that two opposite end faces of the button battery 1 can be limited and fixed, the cooperation through hole 21 and the positive electrode conductive elastic sheet 3 can completely limit and fix the button battery 1, and the button battery 1 can be prevented from vibrating and falling during transportation, so that the button battery 1 is assembled stably and reliably.
In this embodiment, the surface of the battery gland 5 is provided with a positive electrode identification part 52 for identifying the mounting position of the positive electrode of the button battery 1, and the positive electrode identification part 52 plays a role in identifying the positive electrode of the button battery 1, so as to prevent the button battery 1 from being reversely assembled.
The above description is merely a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the utility model are also considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a button cell assembly structure, includes button cell (1) and circuit board (2), its characterized in that: the button battery is characterized in that a through hole (21) penetrating through the circuit board (2) is formed in the circuit board (2), the through hole (21) is used for accommodating the button battery (1), a positive conductive elastic sheet (3) and a negative conductive elastic sheet (4) are arranged on the circuit board (2), the positive conductive elastic sheet (3) elastically abuts against the positive annular side surface of the button battery (1) and is matched with the hole wall of the through hole (21) to press the button battery (1), and the negative conductive elastic sheet (4) is located at one end of the through hole (21) and elastically abuts against the negative end surface of the button battery (1);
the positive electrode conductive elastic sheet (3) comprises a positive electrode plane elastic wall (31) which is directly contacted with the positive electrode annular side surface of the button cell (1) for conduction, the positive electrode plane elastic wall (31) is in line contact fit with the positive electrode annular side surface of the button cell (1), the contact line of the positive electrode plane elastic wall (31) and the positive electrode annular side surface of the button cell (1) extends along the penetrating direction of the through hole (21), the negative electrode conductive elastic sheet (4) comprises a negative electrode cambered surface elastic wall (41) which is directly contacted with the negative electrode end surface of the button cell (1) for conduction, and the negative electrode cambered surface elastic wall (41) is in line contact fit with the negative electrode end surface of the button cell (1);
the positive electrode conductive elastic sheet (3) comprises a guide part (32) used for guiding the button cell (1) when being installed in the through hole (21), the guide part (32) is connected with the positive electrode plane elastic wall (31) and the guide part (32) is positioned on one side of the positive electrode plane elastic wall (31) opposite to the negative electrode conductive elastic sheet (4), the guide part (32) is provided with a guide surface, the guide surface is gradually far away from the central position of the through hole (21) along the direction far away from the negative electrode conductive elastic sheet (4), and the guide surface is smoothly connected with the positive electrode plane elastic wall (31) through an arc surface.
2. The button cell assembly structure according to claim 1, wherein: the positive electrode conductive elastic sheet (3) and the negative electrode conductive elastic sheet (4) are welded on the circuit board (2), and a first positioning mechanism for positioning the positive electrode conductive elastic sheet (3) and a second positioning mechanism for positioning the negative electrode conductive elastic sheet (4) during welding are arranged on the circuit board (2).
3. The button cell assembly structure according to claim 2, wherein: the first positioning mechanism comprises first positioning grooves (22) formed in the circuit board (2), the positive conductive elastic sheet (3) comprises first positioning portions (33), the first positioning portions (33) are inserted into the first positioning grooves (22), the second positioning mechanism comprises two groups of second groove groups formed in the circuit board (2), each second groove group comprises more than one second positioning groove (23), each second positioning groove (23) on the negative conductive elastic sheet (4) is provided with a second positioning portion (42) corresponding to each second positioning groove (23), and the second positioning portions (42) are inserted into the corresponding second positioning grooves (23).
4. The button cell assembly structure according to claim 3, wherein: the negative electrode conductive elastic sheet (4) comprises supporting parts (43) connected between the second positioning parts (42), the supporting parts (43) are arranged across the through holes (21), and negative electrode identification parts (431) used for identifying the installation positions of the negative electrodes of the button cells (1) are arranged on one sides, close to the through holes (21), of the supporting parts (43).
5. The button cell assembly structure according to any one of claims 1 to 4, characterized in that: the battery pressing cover (5) used for covering and protecting the positive end face of the button battery (1) is arranged on the circuit board (2), and the battery pressing cover (5) is installed on the circuit board (2) through the detachable locking mechanism.
6. The button cell assembly structure of claim 5, wherein: the circuit board (2) is provided with a mounting portion (24), the through hole (21) is formed in the mounting portion (24), the detachable locking mechanism comprises two clamping grooves (51) formed in the battery gland (5), the two clamping grooves (51) are clamped and sleeved on two opposite sides of the mounting portion (24) so that the battery gland (5) can slide to be separated from the mounting portion (24), the detachable locking mechanism further comprises screw holes (25) formed in the circuit board (2) and screws (6) used for being matched and connected with the screw holes (25) when the two clamping grooves (51) are clamped and sleeved on two opposite sides of the mounting portion (24) so as to prevent the battery gland (5) from being separated from the mounting portion (24).
7. The button cell assembly structure of claim 5, wherein: the battery gland (5) is matched with the negative electrode conductive spring piece (4) to compress the button battery (1).
8. The button cell assembly structure of claim 5, wherein: the surface of the battery gland (5) is provided with a positive pole identification part (52) for identifying the positive pole installation position of the button battery (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047914.4U CN219144386U (en) | 2023-05-05 | 2023-05-05 | Button cell assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047914.4U CN219144386U (en) | 2023-05-05 | 2023-05-05 | Button cell assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219144386U true CN219144386U (en) | 2023-06-06 |
Family
ID=86603031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047914.4U Active CN219144386U (en) | 2023-05-05 | 2023-05-05 | Button cell assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219144386U (en) |
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2023
- 2023-05-05 CN CN202321047914.4U patent/CN219144386U/en active Active
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