Charging elastic sheet
By designing a guiding structure and an adaptation area in the charging spring, the problem of inaccurate connection between the charging spring and the PCB board was solved, achieving efficient and stable current transmission and improving production efficiency.
Patent Information
- Application Number
- CN202520070326.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-13
AI Technical Summary
When existing charging contacts are connected to the PCB board, the soldering area cannot be accurately determined, leading to soldering errors and affecting production efficiency.
A charging spring is designed, including a body and an elastic element. The body consists of a base plate and an insert. The insert divides the base plate into first and second connection areas, has a guide structure to prevent incorrect installation, and provides through holes in the areas to facilitate matching and connection with a PCB board.
This improves the accuracy and stability of the connection between the charging contacts and the PCB board, ensuring efficient and stable current transmission, reducing production costs, and increasing production efficiency and product durability.
Smart Images
Figure CN223743934U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to earphone piece structure technical field, concretely is a charging earphone piece. BACKGROUND
[0002] The charging earphone piece is an important component in the earphone box, and is mainly used for charging the earphone after the earphone is inserted into the earphone box, specifically, one earphone box has two earphone slots, two charging earphone pieces are arranged at the bottom of each earphone slot, one end of the charging earphone piece is welded on the circuit mainboard in the earphone box, and the contact part at the other end is exposed from the earphone slot of the earphone box and is used for contacting the charging end of the earphone.
[0003] The existing insert piece is generally connected on the PCB by direct welding, due to the lack of clear judgment index, sometimes it is difficult to distinguish which pad on the PCB should be welded in the connection area, and then the welding is reversed, at this time, it is necessary to disassemble and re-weld, which affects the production efficiency. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a charging earphone piece to solve the technical problem that it is difficult to distinguish which pad on the PCB should be welded in the connection area, and then the welding is reversed.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a charging earphone piece, including main part and elastic part, the main part includes bottom plate, both sides of the bottom plate are fixedly connected with insert piece, the connecting line of the insert piece divides the bottom plate into first connection area and second connection area, the insert piece has foolproof plug-in guide structure, the guide structure includes geometric shape that limits the insertion direction of the main part, so as to prevent the wrong installation of the main part;
[0006] The first connection area and the second connection area are respectively provided with through holes.
[0007] Through the above technical scheme, the basic function structure of the charging earphone piece is realized, the main part includes the bottom plate and the insert piece, the connecting line of the insert piece divides the bottom plate into the first connection area and the second connection area, so that the charging earphone piece can be more conveniently connected with the PCB.
[0008] Further, the first connection area and the second connection area are adapted to the layout of the external PCB.
[0009] Through the above technical scheme, the first connection area and the second connection area are adapted to the layout of the external PCB, so that the charging earphone piece can be more accurately positioned on the PCB, and the stability and reliability of the connection are ensured.
[0010] Further, the two sides of the first connecting area are fixedly connected with limiting baffle plates, and the end of the limiting baffle plate is in a right angle structure, which is used for limiting the elastic member from continuing to pop up.
[0011] By adopting the above technical scheme, the two sides of the first connecting area are fixedly connected with the limiting baffle plates, and the end of the limiting baffle plate is in a right angle structure, which effectively limits the elastic member from continuing to pop up, and ensures the stability of the charging spring piece in use.
[0012] Further, the two sides of the second connecting area are fixedly connected with side plates, the side plates are folded to form accommodating cavities, and the top surface of the accommodating cavity is used for providing a suction surface.
[0013] By adopting the above technical scheme, the two sides of the second connecting area are fixedly connected with the side plates, and the side plates are folded to form the accommodating cavities, which provide a certain accommodation space for the elastic member, so that the charging spring piece is more compact in structure.
[0014] Further, one end of the bottom plate of the elastic member is fixedly connected, and the elastic member is sequentially provided with a first bending arc, a second bending arc and a U-shaped bending arc.
[0015] By adopting the above technical scheme, the first bending arc, the second bending arc and the U-shaped bending arc are sequentially arranged on the elastic member, so that the elastic member can produce appropriate elastic deformation when subjected to external force, thereby ensuring that the contact point maintains good contact with the conductive part on the PCB.
[0016] Further, one end of the U-shaped bending arc is provided with a limiting piece, and the limiting piece and the limiting baffle plate are in surface contact.
[0017] By adopting the above technical scheme, the limiting piece provided at one end of the U-shaped bending arc is in surface contact with the limiting baffle plate, which further limits the pop-up height of the elastic member and ensures the stability of the charging spring piece in use.
[0018] Further, a connecting piece is arranged between the first bending arc and the second bending arc, and the connecting piece abuts against the inner wall of the accommodating cavity to realize secondary limiting.
[0019] By adopting the above technical scheme, the connecting piece arranged between the first bending arc and the second bending arc abuts against the inner wall of the accommodating cavity to realize secondary limiting of the elastic member, which further improves the stability of the charging spring piece.
[0020] Further, the side surface of the U-shaped bending arc is provided with a contact point protruding outward.
[0021] By adopting the above technical scheme, the contact point protruding outward is arranged on the side surface of the U-shaped bending arc, so that the contact point can more closely contact the conductive part of the external device, thereby improving the conductive performance of the charging spring piece.
[0022] Further, the main body and the elastic piece are formed by integral bending technology.
[0023] By adopting the above technical scheme, the main body and the elastic piece are formed by integral bending technology, thereby simplifying the manufacturing process of the charging spring piece and improving the production efficiency.
[0024] Further, the main body and the elastic piece are made of phosphor copper material.
[0025] By adopting the above technical scheme, the main body and the elastic piece are made of phosphor copper material, so that the charging spring piece has good conductivity and corrosion resistance.
[0026] In summary, the utility model mainly has the following beneficial effects:
[0027] 1. The utility model discloses a main body and a spring piece, and the spring piece material has excellent conductivity, ensuring efficient and stable current transmission, reducing energy consumption and signal loss. The structure of the main body and the spring piece can withstand long-term plugging, bending and other mechanical stress without being easily damaged, significantly improving the durability and service life of the product, reducing the maintenance cost of the user, and greatly saving the installation time and cost through simple assembly. The efficient production process and cost-optimized material selection effectively control the overall manufacturing cost. The close cooperation between the spring piece and the main body and the elastic recovery ability of the spring piece ensure stable contact of the connection part, avoid power interruption caused by looseness or poor contact, and improve the reliability of the product.
[0028] 2. The utility model discloses a triangular plug structure, which is easy to identify and operate, making the installation and disassembly process more intuitive and convenient, improving the production efficiency, ensuring the close cooperation between the parts, and improving the assembly stability. DRAWINGS
[0029] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0030] Figure 2 It is a bottom view three-dimensional structure schematic diagram of the main body of the utility model;
[0031] Figure 3 It is a rear view three-dimensional structure schematic diagram of the main body of the utility model;
[0032] Figure 4 It is a top view three-dimensional structure schematic diagram of the main body of the utility model;
[0033] Figure 5This is a three-dimensional structural diagram of the triangular insert of this utility model.
[0034] In the diagram: 1. Main body; 101. Base plate; 102. Insert piece; 1021. Triangular insert piece; 103. First connecting area; 104. Second connecting area; 105. Limiting baffle; 106. Side plate; 107. Receiving cavity; 108. Absorption surface; 109. Through hole; 2. Elastic element; 201. First bending arc; 202. Second bending arc; 203. U-shaped bending arc; 204. Limiting piece; 205. Connecting piece; 206. Contact point. Detailed Implementation
[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0036] Example 1:
[0037] A type of charging spring, such as Figures 1-5 As shown, it includes a main body 1 and an elastic element 2. The main body 1 includes a base plate 101. Inserts 102 are fixedly connected to both sides of the base plate 101. The connecting lines of the inserts 102 divide the base plate 101 into a first connecting area 103 and a second connecting area 104. The inserts 102 have a foolproof insertion guide structure. The guide structure includes a geometry that defines the insertion direction of the main body 1 to prevent incorrect installation of the main body 1.
[0038] Through holes 109 are respectively provided on the first connection area 103 and the second connection area 104. The insert 102 has a foolproof insertion guide structure. This guide structure effectively prevents incorrect installation of the charging spring by limiting the insertion direction of the main body 1, thereby improving the accuracy and efficiency of installation. The through holes 109 provided on the first connection area 103 and the second connection area 104 facilitate connection with the pads on the PCB board, allowing the solder to penetrate and form a firm electrical connection with the corresponding pads on the PCB board, ensuring stable and reliable signal transmission between the charging spring and the PCB board.
[0039] See Figure 1 The first connection area 103 and the second connection area 104 are adapted to the external PCB layout. The shape and size of the first connection area 103 and the second connection area 104 are adjusted according to the specific PCB layout and production needs to ensure optimal compatibility and connection stability.
[0040] See Figure 1 , Figure 2 , Figure 3 and Figure 4The two sides of the first connecting area 103 are fixedly connected with limiting baffle plates 105, the end of the limiting baffle plate 105 is in a right angle structure, for limiting the elastic piece 2 to continue to pop up, the limiting baffle plate 105 is made of the same material as the main body 1, to ensure the overall strength and durability, the surface of the limiting baffle plate 105 is specially treated, to improve its wear resistance and corrosion resistance, and improve its service life.
[0041] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the two sides of the second connecting area 104 are fixedly connected with side plates 106, the side plate 106 is folded to form a containing cavity 107, the top surface of the containing cavity 107 is used to provide a suction surface 108, the top surface of the containing cavity 107 provides the suction surface 108, which facilitates the use of suction tools for grabbing and placing, and improves the production efficiency.
[0042] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , one end of the elastic piece 2 is fixedly connected with the one end of the bottom plate 101, the elastic piece 2 is sequentially provided with a first bending arc 201, a second bending arc 202 and a U-shaped bending arc 203, the transition between the first bending arc 201, the second bending arc 202 and the U-shaped bending arc 203 should be smooth and natural, to avoid stress concentration at the bending part, thereby affecting the service life and performance of the elastic piece 2.
[0043] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , one end of the U-shaped bending arc 203 is provided with a limiting sheet 204, the limiting sheet 204 and the limiting baffle plate 105 are in surface contact, which also increases the contact area between the limiting sheet 204 and the limiting baffle plate 105, reduces the impact, and further improves the service life and the retention of elastic force.
[0044] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a connecting sheet 205 is arranged between the first bending arc 201 and the second bending arc 202, the connecting sheet 205 abuts against the inner wall of the containing cavity 107, to realize secondary limiting, which also increases the overall strength of the charging spring piece, so that it is more durable.
[0045] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4The side surface of the U-shaped bending arc 203 is provided with an outward protruding contact 206, which also increases the contact area between the contact and the conductive part, reduces the contact resistance, and improves the charging efficiency.
[0046] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the main body 1 and the elastic member 2 are made of phosphor copper material, which has high strength and toughness, so that the charging spring piece can withstand large external force and deformation without being easily damaged during use, and the phosphor copper material also has good processing performance, facilitating bending and processing of various shapes.
[0047] The implementation principle of the utility model is as follows: first, according to the pads on the external PCB, the metal plate is cut, so that the plug-in piece 102 can automatically separate the first connection area 103 and the second connection area 104 when bending, when the area is different, when plugging, the plug-in piece 102 is directly inserted into the rectangular through slot pre-opened between the PCB pads, pre-fixing is realized, and the use of welding for fixing is avoided, whether the first connection area 103 and the second connection area 104 and the specified area on the pad match and the direction of the contact 206 is correct is observed, and after determining the correctness, welding is continued;
[0048] Through the two sets of limiting mechanisms, when rebounding, the accommodating cavity 107 and the limiting baffle 105 simultaneously perform surface contact on the middle and end parts of the elastic member 2, thereby realizing limiting and improving the service life;
[0049] By setting the contact 206 on one side only, the material processing area is reduced, the rigidity of the material is improved, and then the elasticity can be maintained for a long time.
[0050] Example two:
[0051] Referring to Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 , the main body 1 and the elastic member 2 are made of an integral bending technology, which ensures the connection firmness between the main body 1 and the elastic member 2, improves the overall strength of the charging spring piece, and ensures that the shape and size precision of the charging spring piece meet the design requirements.
[0052] The utility model discloses an implementation principle is: first, according to the pad on the external PCB board, cut the metal plate, and then make the inserted sheet 102 when bending can be automatically separated first connecting area 103 and second connecting area 104, when the area is same, enough according to the fold line shape through slot of pre -established between PCB pad, triangle inserted sheet 1021 is inserted to PCB, the bending angle on triangle inserted sheet 1021 is different, make only first connecting area 103 and second connecting area 104 respectively and the specified area on pad alignment, can normally insert, ensure the direction of contact 206 is correct.
[0053] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in the suitable mode, and the person skilled in the art can make the modification, replacement and change etc. without the creative contribution after reading the whole specification without departing from the principles and the tenet of the utility model, but as long as in the utility model's right range is protected by the patent law.
Claims
1. A charging wiper, characterized by: The utility model provides an anti -error installation elastic piece of main part, including main part (1) and elastic piece (2), main part (1) includes bottom plate (101), both sides fixed connection tab (102) of bottom plate (101), the line of tab (102) divides bottom plate (101) into first connection area (103) and second connection area (104), tab (102) has the guide structure of preventing fooling insertion, the guide structure includes the geometric shape of the direction of insertion of main part (1) to prevent the wrong installation of main part (1); The first connection area (103) and the second connection area (104) are respectively provided with through holes (109).
2. The charging wiper of claim 1, wherein: The first connection area (103) and the second connection area (104) are adapted to the external PCB layout.
3. The charging wiper of claim 1, wherein: The first connection area (103) is fixedly connected with a limiting baffle (105) on both sides, and the end of the limiting baffle (105) is in a right angle structure, used for limiting the elastic piece (2) to continue to pop up.
4. The charging wiper of claim 1, wherein: The second connection area (104) is fixedly connected with a side plate (106) on both sides, the side plate (106) is folded to form a containing cavity (107), and the top surface of the containing cavity (107) is used to provide a suction surface (108).
5. The charging wiper of claim 1, wherein: One end of the elastic piece (2) is fixedly connected with one end of the bottom plate (101), and the elastic piece (2) is sequentially provided with a first bending arc (201), a second bending arc (202) and a U-shaped bending arc (203).
6. The charging wiper of claim 5, wherein: One end of the U-shaped bending arc (203) is provided with a limiting sheet (204), and the limiting sheet (204) and the limiting baffle (105) are in surface contact.
7. The charging wiper of claim 5, wherein: The first bending arc (201) and the second bending arc (202) are provided with a connecting sheet (205) therebetween, the connecting sheet (205) and the inner wall of the containing cavity (107) are in abutment, and secondary limiting is realized.
8. The charging wiper of claim 5, wherein: The U-shaped bending arc (203) is provided with an outwardly protruding contact (206) on one side surface.
9. The charging wiper of claim 1, wherein: The main body (1) and the elastic piece (2) are integrally bent by using the one-piece bending technology.
10. The charging wiper of claim 1, wherein: The main body (1) and the elastic piece (2) are made of phosphor copper material.