Button battery holder

Abstract

The utility model relates to the technical field of button cells, in particular to a button cell holder which comprises a cell base, a positive elastic sheet and a negative elastic sheet, the positive elastic sheet and the negative elastic sheet are mounted on the cell base, the cell base is provided with a mounting groove for mounting a button cell, the side face of the mounting groove is communicated with a connecting groove, and the bottom face of the mounting groove is communicated with a notch. The positive elastic sheet is accommodated in the connecting groove, the negative elastic sheet is accommodated in the notch, and the positive elastic sheet and the negative elastic sheet penetrate through the battery base and are integrally injection-molded. The positive elastic sheet and the negative elastic sheet can be installed through the connecting groove in the side face of the battery base and the notch in the bottom face, the battery base, the positive elastic sheet and the negative elastic sheet are integrally formed in an injection mode, the positive elastic sheet and the negative elastic sheet are fixed to the battery base, the button battery is loaded on the installing groove, and the positive elastic sheet is arranged on the side face of the button battery. When the negative elastic piece is arranged on the bottom surface of the button cell and outside shakes or vibrates, the positive elastic piece and the negative elastic piece can be effectively prevented from loosening or falling off, and the service life of the button cell is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to button cell technical field especially relates to a button cell holder. BACKGROUND

[0002] Button cell is a small battery like a small button, with small size, high energy density and wide application range, so that it becomes the ideal power supply of various microelectronic devices, with the continuous progress of technology and the continuous expansion of application, the future development prospect of button cell will be more broad.

[0003] The button cell holder is an important connecting part on the circuit board, used for loading the button cell, so that the button cell can be installed on the circuit board.

[0004] At present, the existing button cell holder is generally composed of a base, a positive spring sheet and a negative spring sheet mounted on the base, and the positive spring sheet and the negative spring sheet are generally of plug-in structure, so that the spring sheet is prone to loosen or fall off under shaking, affecting the use of the button cell. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a button cell holder, aiming at solving the technical problems that the positive spring sheet and the negative spring sheet on the existing button cell holder are generally of plug-in structure, prone to loosen or fall off under shaking, and affecting the use of the button cell.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] A button cell holder, comprising a battery base and a positive spring sheet and a negative spring sheet mounted on the battery base, the battery base is provided with a mounting groove for mounting the button cell, the side surface of the mounting groove is communicated with a connecting groove, the bottom surface of the mounting groove is communicated with a notch, the positive spring sheet is accommodated in the connecting groove, the negative spring sheet is accommodated in the notch, and the positive spring sheet and the negative spring sheet are integrally injection molded through the battery base.

[0008] The utility model is further provided as follows: the positive spring sheet is of Z-shaped structure, and the positive spring sheet is in surface contact with the button cell.

[0009] The utility model is further provided as follows: the negative spring sheet is of L-shaped structure, and the negative spring sheet is in surface contact with the bottom surface of the button cell.

[0010] The utility model is further provided as follows: the positive spring sheet and the negative spring sheet are provided with bending legs, so that the battery base wraps the bending legs when forming.

[0011] The utility model is further provided as follows: the positive spring sheet and the negative spring sheet are further provided with connecting holes, so that the battery base passes through the connecting holes when forming.

[0012] The utility model further sets up: the anode spring piece and the negative spring piece still are provided with the soldering leg, and the soldering leg is inserted on the circuit board fixed.

[0013] The utility model further sets up: the inner wall surface of the installation groove is provided with at least two clamping positions, and the top end of the clamping position is provided with a guide surface downwardly inclined, so as to clamp the button cell after installation.

[0014] The utility model further sets up: the bottom surface of the battery base is provided with a positioning column.

[0015] Compared with the prior art, the utility model has the beneficial effects that: through the connecting groove on the side of the battery base and the notch on the bottom surface, the anode spring piece and the negative spring piece can be installed, and the battery base, the anode spring piece and the negative spring piece are integrally injection molded, so that the anode spring piece and the negative spring piece are fixed on the battery base, at this time, the button cell is loaded on the installation groove, the anode spring piece is on the side of the button cell, and the negative spring piece is on the bottom surface of the button cell, so that the structure is simple, the anode spring piece and the negative spring piece can be effectively prevented from loosening or falling off when the outside shakes or vibrates, and the service life of the button cell is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the battery base in one perspective of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the battery base in another perspective of the utility model;

[0020] Figure 4 It is the structure schematic diagram of the anode spring piece in the utility model;

[0021] Figure 5 It is the structure schematic diagram of the negative spring piece in the utility model;

[0022] Figure 6 It is the assembly structure schematic diagram of the utility model installed to the circuit board and loaded button cell.

[0023] The label details involved in the above drawings are as follows:

[0024] 1-battery base, 11-mounting groove, 12-connection groove, 13-notch, 14-detent, 141-guide surface, 15-positioning column;

[0025] 2-positive spring, 3-negative spring, 4-bent leg, 5-connection hole, 6-welding leg, 7-battery, 8-circuit board. DETAILED DESCRIPTION

[0026] In the description of the present application, the technical terms "first", "second" and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. The terms "mounting", "connecting", "connecting" and the like should be broadly understood, for example: "connecting" can be fixed connection, or detachable connection, or integral connection; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In the description of the present application, the technical terms "up", "down", "front", "back", "top", "bottom", "inside", "outside" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore cannot be understood as a limitation on the embodiments of the present application.

[0028] In order to more clearly understand the above-mentioned purposes, technical solutions and advantages of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and detailed understanding of how to solve the problems raised in the above background art.

[0029] As shown in Figures 1 to 6 A battery holder, including a battery base 1 and a positive spring 2 and a negative spring 3 mounted on the battery base 1, the battery base 1 is provided with a mounting groove 11 for mounting a battery 7, the side surface of the mounting groove 11 is communicated with a connection groove 12, the bottom surface of the mounting groove 11 is communicated with a notch 13, the positive spring 2 is accommodated in the connection groove 12, the negative spring 3 is accommodated in the notch 13, the positive spring 2 and the negative spring 3 are integrally injection molded through the battery base 1.

[0030] Specifically, including but not limited to, the battery base 1 can be set to a circular, oval, square, one of the skilled person can be set according to actual demand, not specifically limited here; battery base 1 is provided with mounting groove 11, button cell 7 can be installed into the mounting groove 11, the structure of mounting groove 11 and button cell 7 corresponding to ensure that button cell 7 can be completely embedded; the size of battery base 1 can be set according to actual demand when injection molding, so as to injection molding of a plurality of different specifications of battery base 1, can respond to a variety of different model button cell 7 installation, then the larger the installation groove 11 is set, the larger the button cell 7 can be installed, thereby improving the power supply of the circuit board 8; the connecting groove 12 penetrates the bottom surface of the battery base 1, and the side surface of the battery base 1 is partially convex, the notch 13 extends from the inner wall of the battery base 1 to the center, so as to increase the contact area of the button cell 7 and the negative spring piece 3, and improve the conductivity; accordingly, the positive spring piece 2 and the negative spring piece 3 can be formed by stamping, the battery base 1 is a plastic part, then the positive spring piece 2 and the negative spring piece 3 are put into the mold during injection molding of the battery base 1, so that the battery base 1, the positive spring piece 2 and the negative spring piece 3 are integrated, and the strength of the button cell seat is good after injection molding, the spring piece is not easy to loosen or fall off, so as to ensure the stable connection of the button cell 7 and the spring piece and the service life.

[0031] As shown in Figure 4 , as an improved specific embodiment, the positive spring piece 2 is Z-shaped structure, and the positive spring piece 2 is in contact with the side surface of the button cell 7.

[0032] Specifically, including but not limited to, the positive spring piece 2 is formed by metal stamping, the bottom surface of the Z-shaped structure is flat, the bottom of the positive spring piece 2 passes through the side edge of the battery base 1 and is fixed, the upper part and the middle part can form an elastic structure, and the upper part of the positive spring piece 2 has an extension section downwardly extending, which can be used for contacting the side surface of the button cell 7, on the one hand, the positive spring piece 2 can be fixed with elastic force, and on the other hand, the button cell 7 is pressed under the action of the elastic force after installation, so that the positive spring piece 2 is in contact with the side surface of the button cell 7; in some embodiments, the positive spring piece 2 can be coated with a layer of conductive carbon to improve the output capacity of the current.

[0033] As shown in Figure 5 , as an improved specific embodiment, the negative spring piece 3 is L-shaped structure, and the negative spring piece 3 is in contact with the bottom surface of the button cell 7.

[0034] Specifically, including but not limited to, the negative spring 3 is made of metal stamping, the included angle of the middle connecting section of the L-shaped negative spring 3 can be between 130 to 160, to ensure that the flat end of the negative spring 3 can be relatively raised after passing through the battery base 1, the notch 13 is arranged on the bottom surface of the battery base 1, because the bottom surface and the side surface of the battery base 1 have a thickness, the flat end of the negative spring 3 can pass through the battery base 1 integrally formed, the thickness space of the bottom surface of the battery base 1 can be used to avoid causing the structure of the battery base 1 to be complex, and the occupied space can be saved as much as possible; based on this, after one end of the negative spring 3 is fixed along the bottom surface of the battery base 1, the other end of the negative spring 3 is raised to extend into the mounting groove 11, at this time, after the button cell 7 is mounted, the two can be pressed to realize the contact, so that the negative spring 3 is below the button cell 7.

[0035] As shown in Figure 4 and Figure 5 , as an improved specific embodiment, the positive spring 2 and the negative spring 3 are provided with a bent leg 4, so that the battery base 1 wraps the bent leg 4 when it is formed.

[0036] Specifically, including but not limited to, the bent leg 4 is provided with two and distributed on the side surface, the bent leg 4 is bent relative to the flat surface of the positive spring 2 or the negative spring 3, the bending angle can be 90 degrees, the width of the bent leg 4 corresponds to the thickness of the side edge of the battery base 1, so that the bent leg 4 can be accommodated in the side edge of the battery base 1, thereby the bent leg 4 can be wrapped when the battery base 1 is formed, thereby increasing the area and structure of the connecting part, thereby increasing the fixing strength of the battery base 1 and the positive spring 2 or the negative spring 3, preventing the positive spring 2 and the negative spring 3 from loosening.

[0037] As shown in Figure 4 and Figure 5 , as an improved specific embodiment, the positive spring 2 and the negative spring 3 are also provided with a connecting hole 5, so that the battery base 1 passes through the connecting hole 5 when it is formed.

[0038] Specifically, including but not limited to, the connecting hole 5 is arranged between the two bent legs 4, and the diameter of the connecting hole 5 corresponds to the thickness of the side edge of the battery base 1, the connecting hole 5 penetrates the positive spring 2 or the negative spring 3, thereby the plastic can pass through the connecting hole 5 to connect when the battery base 1 is formed, further increasing the fixing strength of the battery base 1 and the positive spring 2 or the negative spring 3, preventing the positive spring 2 and the negative spring 3 from loosening.

[0039] As shown in Figures 4 to 6 , as an improved specific embodiment, the positive spring 2 and the negative spring 3 are also provided with a solder leg 6, which is inserted into the circuit board 8 for fixation.

[0040] Specifically, including but not limited to, the welding leg 6 relative to the positive spring 2 and the negative spring 3 flat surface perpendicular, the circuit board 8 on the corresponding welding leg 6 is provided with a fixed hole, the welding leg 6 is inserted into the fixed hole and can be fixed by welding, so as to realize the fixation of the battery base 1 and the circuit board 8.

[0041] As shown in Figure 2 and Figure 6 As an improved embodiment, the inner wall surface of the mounting groove 11 is provided with at least two clamping positions 14, and the top end of the clamping position 14 is provided with a guide surface 141 downwardly inclined, so as to clamp the button cell 7 after installation.

[0042] Specifically, including but not limited to, the clamping position 14 is provided with three, the clamping position 14 is protruded relative to the inner wall surface of the mounting groove 11, the clamping position 14 can be provided with an arc structure, and the setting height of the clamping position 14 corresponds to the thickness of the button cell 7, the guide surface 141 is used for guiding and embedding when the button cell 7 is installed, the guide surface 141 is an arc surface downwardly inclined, and the bottom surface of the clamping position 14 can be a flat surface, so as to ensure that the clamping position 14 and the battery base 1 are clamped after the button cell 7 is installed, and the button cell 7 is prevented from loosening.

[0043] As shown in Figure 3 As an improved embodiment, the bottom surface of the battery base 1 is provided with a positioning column 15.

[0044] Specifically, including but not limited to, the circuit board 8 is provided with a positioning hole corresponding to the positioning column 15, when the battery base 1 is installed, the positioning column 15 and the welding leg 6 can be inserted to realize preliminary fixation, and the precise welding of the welding leg 6 can be ensured; the side surface of the battery base 1 is also provided with a recess, and the recess is protruded relative to the button cell 7. The recess is communicated with the mounting groove 11, and can be used for dismounting the button cell 7.

[0045] Finally, it should be pointed out that: the above-mentioned is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned examples, any technical scheme belonging to the idea of the present application is within the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.

Claims

1. A button battery holder, characterized in that, The battery includes a battery base and positive and negative electrode springs mounted on the battery base. The battery base is provided with a mounting groove for mounting a button battery. A connecting groove is connected to the side of the mounting groove, and a notch is connected to the bottom of the mounting groove. The positive electrode spring is accommodated in the connecting groove, and the negative electrode spring is accommodated in the notch. The positive electrode spring and the negative electrode spring are integrally injection molded through the battery base.

2. A button battery holder according to claim 1, characterized in that, The positive electrode spring has a Z-shaped structure and is in contact with the side of the button battery.

3. A button battery holder according to claim 1, characterized in that, The negative electrode spring has an L-shaped structure and is in contact with the bottom surface of the button battery.

4. A button battery holder according to claim 1, characterized in that, The positive electrode spring and the negative electrode spring are provided with bending feet so that the battery base is wrapped around the bending feet during molding.

5. A button battery holder according to claim 4, characterized in that, The positive electrode spring and the negative electrode spring are also provided with connecting holes so that the battery base can pass through the connecting holes during molding.

6. A button battery holder according to claim 5, characterized in that, The positive electrode spring and the negative electrode spring are also provided with solder feet, which are inserted into the circuit board for fixation.

7. A button battery holder according to claim 1, characterized in that, The inner wall of the mounting slot is provided with at least two locking positions, and the top of each locking position is provided with a guide surface that slopes downwards to secure the button battery after installation.

8. A button battery holder according to claim 7, characterized in that, The bottom surface of the battery base is provided with positioning posts.

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