Chip solid electrolytic aluminum electrolytic capacitor

Abstract

The utility model relates to capacitor technical field discloses a kind of patch solid-state aluminum electrolytic capacitor, including capacitor body and pedestal, the capacitor body bottom is equipped with anode lead and cathode lead, the pedestal top edge is fixedly connected with multiple positioning seats, and the pedestal top surface center is equipped with fixed slot, bottom surface is equipped with two pin grooves, two the pin grooves are respectively mounted with anode pin and cathode pin, the pedestal inside is equipped with two positioning grooves, two positioning grooves are respectively connected with two pin grooves, fixed slot and positioning groove between being equipped with through-hole, the end of anode pin and anode lead extends to one positioning groove, the end of cathode pin and cathode lead extends to another positioning groove.The utility model is designed through fixed slot, positioning groove and through-hole, without welding can realize the stable connection of lead and pin, improve the quality of capacitor.

Description

Technical Field

[0001] This utility model relates to the field of capacitor technology, specifically a surface-mount solid aluminum electrolytic capacitor. Background Technology

[0002] A surface-mount solid aluminum electrolytic capacitor is an aluminum electrolytic capacitor that uses a solid conductive polymer material as the electrolyte and is packaged in a surface-mount form.

[0003] Surface mount solid aluminum electrolytic capacitors consist of a capacitor body and a base. The leads of the capacitor body are soldered to the leads. After the capacitor body is mounted on the base, the leads need to be bent into the lead slots at the bottom of the base. This can easily lead to the breakage of the solder joints and affect the quality of the product. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the above-mentioned technical defects and provide a surface-mount solid aluminum electrolytic capacitor.

[0005] To solve the above problems, the technical solution of this utility model is as follows: a surface-mount solid aluminum electrolytic capacitor, comprising a capacitor body and a base, wherein the bottom of the capacitor body is provided with an anode lead and a cathode lead, and multiple positioning seats are fixedly connected to the top edge of the base, and a fixing groove is opened at the center of the top surface of the base, and two pin slots are opened on the bottom surface, wherein an anode lead and a cathode lead are respectively installed in the two pin slots, and two positioning slots are opened inside the base, which are respectively connected to the two pin slots. A through hole is provided between the fixing slot and the positioning slot, and the ends of the anode lead and the anode lead extend into one positioning slot, and the ends of the cathode lead and the cathode lead extend into the other positioning slot.

[0006] Furthermore, the bottom of the capacitor body is mounted on top of the base using an adhesive.

[0007] Furthermore, a positioning strip that engages with the inner waist of the capacitor body is fixedly connected to the upper inner side of the positioning seat.

[0008] Furthermore, the positioning groove has a right-angled trapezoidal cross-section, with its hypotenuse close to the bottom surface of the base and the shorter right-angled side close to the side of the base.

[0009] Furthermore, a screw is threaded into the pin slot, and the screw passes through the positioning slot.

[0010] Furthermore, the screw passes through the cathode pin / cathode lead located inside the positioning groove.

[0011] The advantages of this invention compared to existing technologies are as follows: This invention inserts the anode lead and anode pin into one positioning groove, and the cathode lead and cathode pin into another positioning groove, then secures them with screws. Through the design of the fixing groove, positioning groove, and through-hole, a stable connection between the lead and pin can be achieved without soldering, thus improving the quality of the capacitor. Attached Figure Description

[0012] Figure 1 This is a three-dimensional representation of the present invention. Figure 1 .

[0013] Figure 2 This is a three-dimensional representation of the present invention. Figure 2 .

[0014] Figure 3 This is a cross-sectional view of the present invention.

[0015] Figure 4 This is a cross-sectional view of the base of this utility model.

[0016] As shown in the figure: 1. Capacitor body; 2. Base; 2.1 Fixing groove; 2.2 Pin groove; 2.3 Positioning groove; 2.4 Through hole; 3. Anode lead; 4. Cathode lead; 5. Positioning seat; 6. Anode pin; 7. Cathode pin; 8. Positioning strip; 9. Screw. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0018] like Figures 1 to 4 As shown, a surface-mount solid aluminum electrolytic capacitor includes a capacitor body 1 and a base 2. The bottom of the capacitor body 1 is provided with an anode lead 3 and a cathode lead 4. Multiple positioning seats 5 are fixedly connected to the top edge of the base 2. The bottom of the capacitor body 1 is installed on the top of the base 2 by an adhesive. A positioning strip 8 is fixedly connected to the upper inner side of the positioning seat 5 and engages with the inner side of the waist of the capacitor body 1.

[0019] The stability of the capacitor body 1 can be improved by setting the positioning seat 5 and the positioning strip 8.

[0020] Multiple positioning seats 5 are fixed to the top edge of the base 2, and a fixing groove 2.1 is opened at the center of the top surface of the base 2. Two pin grooves 2.2 are opened on the bottom surface. Anode pins 6 and cathode pins 7 are installed in the two pin grooves 2.2 respectively. Two positioning grooves 2.3 are opened inside the base 2, and the two positioning grooves 2.3 are connected to the two pin grooves 2.2 respectively. The cross-section of the positioning groove 2.3 is a right trapezoid, and its hypotenuse is close to the bottom surface of the base 2, and the shorter right angle side is close to the side of the base 2. A through hole 2.4 is provided between the fixing groove 2.1 and the positioning groove 2.3. The ends of the anode pins 6 and anode leads 3 extend into one positioning groove 2.3, and the ends of the cathode pins 7 and cathode leads 4 extend into the other positioning groove 2.3. A screw 9 is threaded in the pin groove 2.2. The screw 9 passes through the positioning groove 2.3 and passes through the cathode pins 7 and 4 located inside the positioning groove 2.3.

[0021] When installing the capacitor body 1, the anode lead 3 and the cathode lead 4 are passed through the two through holes 2.4 and then inserted into the positioning groove 2.3. The ends of the anode pin 6 and the cathode pin 7 are also inserted into the positioning groove 2.3 and fixed with screws 9. Then, the anode pin 6 and the cathode pin 7 are bent into the pin groove 2.2.

[0022] In practical use, adhesive is applied to the bottom of the capacitor body 1. The anode lead 3 and anode pin 6 are inserted into one positioning groove 2.3, and the cathode lead 4 and cathode pin 7 are inserted into another positioning groove 2.3. They are then fixed with screws 9. The anode pin 6 and cathode pin 7 are then bent into the pin groove 2.2. The positioning seat 5 and positioning strip 8 improve the stability of the capacitor body 1 during installation. The design of the fixing groove 2.1, positioning groove 2.3, and through hole 2.4 allows for a stable connection between the leads and pins without soldering, improving the quality of the capacitor.

[0023] The parts not disclosed in this utility model are all prior art, and their specific structures and working principles will not be described in detail.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0026] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A surface-mount solid aluminum electrolytic capacitor, comprising a capacitor body (1) and a base (2), wherein the bottom of the capacitor body (1) is provided with an anode lead (3) and a cathode lead (4), characterized in that: Multiple positioning seats (5) are fixed to the top edge of the base (2), and a fixing groove (2.1) is provided at the center of the top surface of the base (2). Two pin grooves (2.2) are provided on the bottom surface. An anode pin (6) and a cathode pin (7) are respectively installed in the two pin grooves (2.2). Two positioning grooves (2.3) are provided inside the base (2). The two positioning grooves (2.3) are respectively connected to the two pin grooves (2.2). A through hole (2.4) is provided between the fixing groove (2.1) and the positioning groove (2.3). The ends of the anode pin (6) and the anode lead (3) extend into one positioning groove (2.3), and the ends of the cathode pin (7) and the cathode lead (4) extend into the other positioning groove (2.3).

2. The surface-mount solid aluminum electrolytic capacitor according to claim 1, characterized in that: The bottom of the capacitor body (1) is attached to the top of the base (2) by an adhesive.

3. A surface-mount solid aluminum electrolytic capacitor according to claim 1, characterized in that: The positioning seat (5) has a positioning strip (8) fixed to the upper inner side of the positioning seat (5) and engaged with the inner side of the waist of the capacitor body (1).

4. A surface-mount solid aluminum electrolytic capacitor according to claim 1, characterized in that: The positioning groove (2.3) has a right trapezoidal cross section, with its hypotenuse close to the bottom surface of the base (2) and the shorter right-angled side close to the side surface of the base (2).

5. A surface-mount solid aluminum electrolytic capacitor according to claim 4, characterized in that: A screw (9) is threaded into the pin slot (2.2), and the screw (9) passes through the positioning slot (2.3).

6. A surface-mount solid aluminum electrolytic capacitor according to claim 5, characterized in that: The screw (9) passes through the cathode pin (7) / cathode lead (4) located inside the positioning groove (2.3).

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