Surface-mounted aluminum electrolytic capacitor

Abstract

The utility model relates to the field of surface-mounted aluminum electrolytic capacitors, in particular to a surface-mounted aluminum electrolytic capacitor, which comprises a base, a cylinder body, a guide mechanism, a positioning block, an aluminum cylinder and a sealing sleeve, a plurality of springs a are arranged in the base, and a pressing plate is arranged at the upper ends of the springs a; the cylinder body is arranged on the base; the plurality of guide mechanisms are arranged on the inner wall of the cylinder body; the multiple positioning blocks are movably arranged in the barrel, connecting rods are arranged at the outer ends of the multiple positioning blocks, pull rods are arranged at the outer ends of the multiple connecting rods, the multiple connecting rods are sleeved with springs b, and the front ends of the multiple springs b are sleeved with sliding sleeves; the aluminum cylinder is arranged in the cylinder body, a groove is formed in the outer portion of the aluminum cylinder, and the multiple positioning blocks are movably connected in the groove in a clamped mode. According to the utility model, disassembly and assembly can be carried out without rotation, disassembly and assembly can be carried out through vertical movement and positioning clamping connection, internal components are not easy to shake, and a certain degree of damping effect is achieved at the same time.

Description

Technical Field

[0001] The utility model relates to the field of chip-type aluminum electrolytic capacitors, in particular to a chip-type aluminum electrolytic capacitor. Background Art

[0002] SMD aluminum electrolytic capacitor is a liquid aluminum electrolytic capacitor with small size and surface mounting characteristics, suitable for miniaturized design in electronic equipment. SMD aluminum electrolytic capacitor is one of the most common capacitors on today's boards. SMD aluminum electrolytic capacitor is made of aluminum cylinder as negative electrode, filled with liquid electrolyte, and inserted with a curved aluminum strip as positive electrode. It also needs to be treated with DC voltage to form an oxide film on the positive electrode as a medium. SMD aluminum electrolytic capacitor has the advantages of small size and large capacity, so it has been widely used in noise bypass, filter, integration circuit, oscillation circuit and other circuits.

[0003] The Chinese patent with the authorization announcement number CN218602268U discloses a chip-type aluminum electrolytic capacitor, comprising an aluminum cylinder, a bottom plate is provided below the aluminum cylinder, welding feet are evenly provided on the lower surface of the bottom plate, two inner leads are symmetrically provided on the inner bottom wall of the aluminum cylinder, two outer leads are symmetrically provided on the lower surface of the aluminum cylinder, and an electrolytic paper roll is provided inside the aluminum cylinder. The utility model moves the arc-shaped holding rod outward, and the two arc-shaped holding rods are respectively inserted into the positioning groove from both sides.

[0004] However, the above-mentioned disclosed solutions have the following disadvantages: although the device does not require soldering for easy installation, the device needs to be rotated for disassembly and assembly, and the rotation may cause the internal components to shake and cause damage. Utility Model Content

[0005] The utility model aims to provide a chip-type aluminum electrolytic capacitor to solve the problem that the background technology needs to be rotated for disassembly and assembly, and the rotation may cause the internal components to shake and cause damage.

[0006] The technical solution of the utility model: a chip-type aluminum electrolytic capacitor, comprising a base, a cylinder, a guide mechanism, a positioning block, an aluminum cylinder and a sealing sleeve;

[0007] A plurality of springs a are arranged in the base, and a pressure plate is arranged at the upper ends of the plurality of springs a; a cylinder is arranged on the base; a plurality of guide mechanisms are arranged on the inner wall of the cylinder; a plurality of positioning blocks are movably arranged in the cylinder, and a connecting rod is arranged at the outer ends of the plurality of positioning blocks, and a pull rod is arranged at the outer ends of the plurality of connecting rods, and a spring b is sleeved on the outside of the plurality of connecting rods, and a sliding sleeve is sleeved on the front ends of the plurality of springs b; an aluminum cylinder is arranged in the cylinder, and a groove is opened on the outside of the aluminum cylinder, and a plurality of positioning blocks are movably clamped in the groove; a sealing sleeve is arranged at the upper end opening of the cylinder.

[0008] Preferably, the multiple guide mechanisms all include a frame, two slide grooves are provided inside the multiple groups of frames, arc blocks are slidably connected between the multiple groups of slide grooves, rotating blocks are provided between the multiple arc blocks and the frames, rotating wheels are provided between the multiple groups of rotating blocks, and a spring c is provided on one side of the multiple arc blocks.

[0009] Preferably, the plurality of sliding sleeves are all clamped inside the cylinder, the plurality of connecting rods and springs b are all movably arranged inside the cylinder, and the plurality of pulling rods are all arranged outside the cylinder.

[0010] Preferably, the sealing sleeve is foldable in shape.

[0011] Preferably, the groove is inclined inwardly, and the shapes of the plurality of positioning blocks are all set to be triangular prisms, and the shapes of the plurality of positioning blocks are all fitted in the groove.

[0012] Preferably, the plurality of guide mechanisms are arranged around the center of the cylinder.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] By setting a guide mechanism, a frame, a slide groove, an arc block, a rotating block, a rotating wheel and a spring c, the aluminum cylinder is placed in the cylinder body, and firstly, it will be restricted by the guide mechanism to slide downward. The specific process is as follows: the aluminum cylinder squeezes the rotating wheel downward, and the rotating wheel will be squeezed outward while rotating, driving the arc block to slide in the slide groove, and the spring c rebounds, which can make the arc block and the rotating wheel return to their original positions. This mechanism can guide the movement of the aluminum cylinder, and can make the aluminum cylinder move vertically without rotating; by setting a base, a spring a and a pressure plate, the aluminum cylinder then moves downward, and the bottom end of the aluminum cylinder will first contact the pressure plate, and the pressure plate is forced to squeeze the spring a, which can provide a certain degree of shock absorption effect; by setting a positioning block, a connecting rod, a pull rod and a spring b, the groove outside the aluminum cylinder will be positioned and clamped by the positioning block, and vice versa. To remove the aluminum cylinder, it is necessary to pull the pull rod, and the pull rod drives the connecting rod and the positioning rod to move outward, so that the clamping state of the positioning block and the groove can be released, and the aluminum cylinder can be removed. In summary, the device can be disassembled and assembled without being rotated, and can be disassembled and assembled by vertical movement and positioning clamping, which is not likely to cause shaking of internal components and has a certain degree of shock-absorbing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 for Figure 1 Exploded diagram of

[0017] Figure 3 for Figure 2The structural diagram of the positioning block, connecting rod and pull rod;

[0018] Figure 4 for Figure 2 Schematic diagram of the guiding mechanism structure.

[0019] Figure numerals: 1. base; 2. spring a; 3. pressure plate; 4. cylinder; 5. guide mechanism; 6. positioning block; 7. connecting rod; 8. pull rod; 9. spring b; 10. sliding sleeve; 11. aluminum cylinder; 12. groove; 13. sealing sleeve; 14. frame; 15. slide groove; 16. arc block; 17. rotating block; 18. rotating wheel; 19. spring c. DETAILED DESCRIPTION

[0020] Embodiment 1

[0021] like Figure 1 - Figure 4 As shown, a chip-type aluminum electrolytic capacitor proposed by the utility model includes a base 1, a cylinder 4, a guide mechanism 5, a positioning block 6, an aluminum cylinder 11 and a sealing sleeve 13;

[0022] A plurality of springs a2 are arranged in the base 1, and a pressure plate 3 is arranged on the upper ends of the plurality of springs a2; a cylinder 4 is arranged on the base 1; a plurality of guide mechanisms 5 are arranged on the inner wall of the cylinder 4; a plurality of positioning blocks 6 are movably arranged in the cylinder 4, and a connecting rod 7 is arranged on the outer ends of the plurality of positioning blocks 6, and a pull rod 8 is arranged on the outer ends of the plurality of connecting rods 7, and a spring b9 is sleeved on the outer sides of the plurality of connecting rods 7, and a sliding sleeve 10 is sleeved on the front ends of the plurality of springs b9; an aluminum cylinder 11 is arranged in the cylinder 4, and the aluminum cylinder A groove 12 is provided on the outside of 11, and multiple positioning blocks 6 are movably connected in the groove 12; a sealing sleeve 13 is arranged at the upper end opening of the cylinder 4; multiple guide mechanisms 5 include a frame 14, and two slide grooves 15 are provided inside multiple groups of frames 14, and arc blocks 16 are slidably connected between multiple groups of slide grooves 15, and rotating blocks 17 are provided between multiple arc blocks 16 and the frame 14, and rotating wheels 18 are provided between multiple groups of rotating blocks 17, and a spring c19 is provided on one side of multiple arc blocks 16.

[0023] Working principle: When in use, the aluminum cylinder 11 is placed in the cylinder body 4, and it will first be restricted by the guide mechanism 5 to slide downward. The specific process is: the aluminum cylinder 11 squeezes the rotating wheel 18 to move downward, and the rotating wheel 18 will be squeezed outward while rotating, driving the arc block 16 to slide in the slide groove 15, and the spring c19 rebounds, which can make the arc block 16 and the rotating wheel 18 return to their original positions, and then the aluminum cylinder 11 continues to move downward, and the bottom end of the aluminum cylinder 11 will first contact the pressure plate 3, and the pressure plate 3 is forced to squeeze the spring a2, which can provide a certain degree of The shock-absorbing effect is achieved, and then the groove 12 on the outside of the aluminum cylinder 11 will be positioned and clamped by the positioning block 6. The specific process is: first, the groove 12 moves downward to the bottom of the positioning block 6. The positioning block 6 will be subjected to the reaction force of the spring b9, and will rebound and be clamped into the groove 12, so that the aluminum cylinder 11 can be fixed. Vice versa, to remove the aluminum cylinder 11, it is necessary to pull the pull rod 8, and the pull rod 8 drives the connecting rod 7 and the positioning rod to move outward, so that the clamping state of the positioning block 6 and the groove 12 can be released, and the aluminum cylinder 11 can be removed.

[0024] In this embodiment, by setting the guide mechanism 5, the frame 14, the slide groove 15, the arc block 16, the rotating block 17, the rotating wheel 18 and the spring c19, the aluminum cylinder 11 is placed in the cylinder body 4, and firstly, it will be restricted to slide downward by the guidance of the guide mechanism 5. The specific process is: the aluminum cylinder 11 squeezes the rotating wheel 18 to move downward, and the rotating wheel 18 will be squeezed outward while rotating, driving the arc block 16 to slide in the slide groove 15, and the spring c19 rebounds, so that the arc block 16 and the rotating wheel 18 can return to their original positions. This mechanism can guide the movement of the aluminum cylinder 11, so that the aluminum cylinder 11 can be vertically moved without rotating. Move straightly; by setting the base 1, spring a2 and pressure plate 3, the aluminum cylinder 11 then moves downward, and the bottom end of the aluminum cylinder 11 will first contact the pressure plate 3, and the pressure plate 3 will be forced to squeeze the spring a2, which can provide a certain degree of shock absorption effect; by setting the positioning block 6, the connecting rod 7, the pull rod 8 and the spring b9, the groove 12 on the outside of the aluminum cylinder 11 will be positioned and clamped by the positioning block 6, and vice versa, to remove the aluminum cylinder 11, it is necessary to pull the pull rod 8, and the pull rod 8 drives the connecting rod 7 and the positioning rod to move outward, so that the positioning block 6 and the groove 12 can be released from the clamping state, and the aluminum cylinder 11 can be removed. In summary, the device does not need to be rotated before it can be disassembled and assembled, and can be disassembled and assembled through vertical movement and positioning clamping, which is not easy to cause shaking of internal components, and at the same time has a certain degree of shock absorption effect.

[0025] Embodiment 2

[0026] like Figure 1 - Figure 4As shown, the chip aluminum electrolytic capacitor proposed by the utility model, compared with the first embodiment, multiple sliding sleeves 10 are all clamped in the interior of the cylinder 4, multiple connecting rods 7 and springs b9 are all movably arranged in the interior of the cylinder 4, and multiple pull rods 8 are all arranged on the outside of the cylinder 4; the shape of the sealing sleeve 13 is set to be foldable; the groove 12 is set to be inclined inward, the shape of the multiple positioning blocks 6 is set to be a triangular prism, and the shapes of the multiple positioning blocks 6 are all matched with the groove 12; and the multiple guide mechanisms 5 are all arranged around the center of the cylinder 4.

[0027] In this embodiment, by setting a sliding sleeve 10, the sliding sleeve 10 is fixed inside the cylinder 4, and the connecting rod 7, spring b9 and positioning block 6 are all movably arranged inside the cylinder 4, so when the pull rod 8 is pulled, the connecting rod 7 and the positioning block 6 move, and the spring b9 is squeezed by the sliding sleeve 10, the spring b9 can accumulate elastic force and rebound to its position in time; by setting the groove 12 inwardly and tilting the positioning block 6, the shape of the positioning block 6 is set to a triangular prism, so that the positioning block 6 can be clamped in the groove 12 and released in time; by setting a plurality of guide mechanisms 5 around the center of the cylinder 4, the aluminum cylinder 11 can be moved vertically along the guide mechanism 5.

[0028] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A chip-type aluminum electrolytic capacitor, characterized in that: It comprises a base (1), a cylinder (4), a guide mechanism (5), a positioning block (6), an aluminum cylinder (11) and a sealing sleeve (13); A plurality of springs a (2) are arranged in the base (1), and a pressure plate (3) is arranged at the upper ends of the plurality of springs a (2); a cylinder (4) is arranged on the base (1); a plurality of guide mechanisms (5) are arranged on the inner wall of the cylinder (4); a plurality of positioning blocks (6) are movably arranged in the cylinder (4), a connecting rod (7) is arranged at the outer ends of the plurality of positioning blocks (6), a pulling rod (8) is arranged at the outer ends of the plurality of connecting rods (7), a spring b (9) is sleeved on the outer sides of the plurality of connecting rods (7), and a sliding sleeve (10) is sleeved on the front ends of the plurality of springs b (9); an aluminum cylinder (11) is arranged in the cylinder (4), a groove (12) is opened on the outer side of the aluminum cylinder (11), and the plurality of positioning blocks (6) are movably clamped in the groove (12); a sealing sleeve (13) is arranged at the upper end opening of the cylinder (4).

2. The chip-type aluminum electrolytic capacitor according to claim 1, characterized in that: The plurality of guide mechanisms (5) each include a frame (14), two slide grooves (15) are provided inside the plurality of frames (14), arc blocks (16) are slidably connected between the plurality of slide grooves (15), rotating blocks (17) are provided between the plurality of arc blocks (16) and the frame (14), rotating wheels (18) are provided between the plurality of rotating blocks (17), and a spring c (19) is provided on one side of the plurality of arc blocks (16).

3. The chip-type aluminum electrolytic capacitor according to claim 1, characterized in that: The plurality of sliding sleeves (10) are all clamped inside the cylinder (4), the plurality of connecting rods (7) and springs b (9) are all movably arranged inside the cylinder (4), and the plurality of pulling rods (8) are all arranged outside the cylinder (4).

4. The chip-type aluminum electrolytic capacitor according to claim 1, characterized in that: The shape of the sealing sleeve (13) is arranged to be a foldable type.

5. The chip-type aluminum electrolytic capacitor according to claim 1, characterized in that: The groove (12) is arranged to be inclined inwards, and the shapes of the plurality of positioning blocks (6) are all arranged to be triangular prisms, and the shapes of the plurality of positioning blocks (6) are all in line with the groove (12).

6. The chip-type aluminum electrolytic capacitor according to claim 1, characterized in that: A plurality of guide mechanisms (5) are arranged around the center of the cylinder (4).

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