CN212750629U

CN212750629U - Combined aluminum electrolytic capacitor

Info

Publication number: CN212750629U
Application number: CN202021787083.0U
Authority: CN
Inventors: 燕勇
Original assignee: Dazhou Jinlianfu Electronic Technology Co ltd
Current assignee: Dazhou Jinlianfu Electronic Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-19
Anticipated expiration: 2030-08-25

Abstract

The utility model provides a combined aluminum electrolytic capacitor, aiming at solving the technical problems that the prior aluminum electrolytic capacitor is not convenient to disassemble and recycle. Comprises an upper shell and a lower shell which are detachably connected; a core is inserted in the lower shell, the top end of the core is connected with an anode lead and a cathode lead, and the top ends of the two leads penetrate through the top wall of the upper shell and extend to the upper part of the upper shell; sealing rubber plugs are uniformly filled in the upper shell; the outer side of the lower shell is provided with a sleeve, the outer part of the sleeve is provided with a hot hole, and a supporting block is arranged between the inner wall of the sleeve and the outer wall of the lower shell. The bottom of the upper shell is fixed with a concentric annular inserting column; the top of the lower shell is provided with an annular butt joint groove matched with the annular inserting column; go up casing lower extreme outer wall and be equipped with the locking subassembly, seted up the constant head tank on sleeve and the locking subassembly inner wall in opposite directions, the constant head tank extends to the sleeve outside, the movable setting of locking subassembly is in the constant head tank. The utility model discloses easy operation, convenience are dismantled in the installation, and are sealed effectual.

Description

Combined aluminum electrolytic capacitor

Technical Field

The utility model relates to the field of aluminum electrolytic capacitors, in particular to a combined aluminum electrolytic capacitor.

Background

The existing aluminum electrolytic capacitor is made by using an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder, and inserting a bent aluminum strip as a positive electrode. And a layer of oxide film is formed on the anode plate as a medium through direct current voltage treatment. Its advantages are high capacity, high leakage, poor stability, and positive and negative polarities. When in use, the anode and the cathode are not connected reversely. In the prior art, most of aluminum electrolytic capacitors are formed by integrally forming elements such as cores in an aluminum shell, the aluminum electrolytic capacitors cannot be disassembled, so that the maintenance is inconvenient, and on the other hand, the whole aluminum electrolytic capacitors need to be discarded after the aluminum electrolytic capacitors reach the service life, so that the aluminum shell is not favorable for recycling, and the material waste is large.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a combined aluminum electrolytic capacitor, which solves the technical problems that the prior aluminum electrolytic capacitor is not convenient to disassemble and recycle.

In order to achieve the above object, the utility model provides a following technical scheme:

a combined aluminum electrolytic capacitor, further comprising: an upper housing; the lower shell is detachably connected with the upper shell; the core is inserted into the lower shell, the top end of the core is connected with an anode lead and a cathode lead, and the top ends of the anode lead and the cathode lead penetrate through the top wall of the upper shell and extend to the upper part of the upper shell; the sleeve is arranged on the outer side of the lower shell, and heat dissipation holes which are uniformly distributed are formed in the sleeve; the supporting block is fixedly arranged between the inner wall of the sleeve and the outer wall of the lower shell; the annular inserting column is fixed at the bottom of the upper shell and is arranged concentrically with the upper shell; the annular butt joint groove is formed in the top of the lower shell and matched with the annular inserting column; the stop assembly is fixed on the outer wall of the lower end of the upper shell; the inner wall of the sleeve opposite to the stopping component is provided with a matched positioning groove, the positioning groove extends to the outer side of the sleeve, and the stopping component can be movably arranged in the positioning groove; and sealing rubber plugs matched with the core, the anode lead and the cathode lead are uniformly filled in the upper shell.

The utility model discloses a post is inserted to the annular and the annular butt joint groove makes casing and lower shell structure sealed effectual, through the cooperation of locking subassembly and constant head tank, makes casing and lower casing dismantlement convenient to be favorable to maintaining original papers such as core and carry out recycle to aluminum hull after the condenser uses, avoided the waste of material. The utility model discloses easy operation, convenience are dismantled in the installation, and are sealed effectual.

Optionally, the outer side surfaces of the anode lead and the cathode lead are fixedly provided with rubber rings which are matched with the top wall of the upper shell and are tightly attached to each other. The protection of the joint of the anode lead and the cathode lead with the upper shell is facilitated, and the sealing performance is improved.

Optionally, an annular seal ring is sleeved on the outer wall of the annular insert column, and the outer wall of the annular seal ring is tightly attached to the inner wall of the annular butt joint groove.

Optionally, the fixed annular piece that is equipped with in post bottom is inserted to the annular, the annular butt joint inslot bottom has the annular groove, the post joint is inserted to the annular in the inside horizontal part of annular butt joint inslot, the annular piece inserts in the annular groove.

When the annular butt joint groove clamp is used, the annular plug column is clamped in the horizontal part inside the annular butt joint groove, and the annular block is inserted into the annular groove, so that the upper shell and the lower shell are clamped more stably. And the annular seal ring extrusion is connected on the butt joint inslot wall of annular piece top to avoid going up the junction between casing and the lower casing gap appearing, promoted the leakproofness of condenser.

Optionally, the stop assemblies are at least two groups, and are respectively arranged at equal intervals, and the number of the positioning grooves is the same as that of the stop assemblies.

Optionally, the stop assembly comprises: the connecting block is horizontally fixed on the outer wall of the bottom end of the upper shell, and an installation groove is formed in the side wall far away from the upper shell; the movable block is movably arranged outside the connecting block; one end of the movable rod is connected with the inner wall of the mounting groove, and the other end of the movable rod is connected with the outer wall of the movable block; wherein, the cover is equipped with the spring on the movable rod outer wall, spring one end with the mounting groove inside wall is connected, the other end with the movable block lateral wall is connected, but the horizontal activity card of movable block is located in the constant head tank. After post and annular butt joint groove sealing connection are inserted to the annular, because the self elasticity of spring can promote the movable block to the constant head tank in, make the movable block be located the constant head tank to going up casing fixed mounting on casing top down, during the dismantlement, exerting pressure to the movable block with the hand, can pull down last casing, thereby maintain the shell that or will reach the condenser after the life-span to the condenser and retrieve.

Optionally, the top of the sleeve is provided with an extension part, and the positioning groove is arranged on the inner wall of the extension part. The locking of last casing and lower casing is come through the cooperation between the locking subassembly of last casing outer wall and the extension at sleeve top, and its installation, dismantlement, convenient operation, and can not influence the sealed cooperation between post and the annular butt joint groove is inserted to the annular, have promoted the leakproofness of condenser.

Optionally, an annular groove is formed in the inner wall of the extension portion, and the positioning groove is formed in the annular groove and extends to the outer side of the sleeve. When the annular plug post is connected with the annular butt joint groove in a sealing mode, the stop component is automatically clamped in the annular groove, and due to the fact that the annular groove is arranged in an annular mode, when the locking device is installed, the stop component can be clamped in the positioning groove and fixed in the positioning groove only by rotating the shell body after the annular groove is formed in the clamping mode, and installation is simple and convenient.

The utility model discloses beneficial effect does:

the utility model discloses a louvre that the sleeve surface was seted up makes the condenser radiating effect better, inserts the post through the annular and the annular butt joint groove makes casing and lower shell structure sealed effectual, through the cooperation of locking subassembly and constant head tank, makes casing and lower casing dismantlement convenient to be favorable to maintaining original papers such as core and carry out recycle to aluminum hull after the condenser uses, avoided the waste of material. The utility model discloses easy operation, convenience are dismantled in the installation, and are sealed effectual.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is an enlarged view of a structure a in fig. 1.

Fig. 3 is a schematic view of the top view structure of the present invention.

Fig. 4 is a front view of the exploded structure of the present invention.

Reference numerals: 1. an upper housing; 2. a lower housing; 3. a core; 30. an anode lead; 31. a cathode lead; 32. sealing the rubber plug; 4. a rubber ring; 5. a sleeve; 50. heat dissipation holes; 51. a support block; 52. an extension portion; 520. an annular groove; 6. inserting a column annularly; 60. an annular seal ring; 61. a ring block; 7. an annular butt-joint groove; 70. an annular groove; 8. a stop assembly; 80. connecting blocks; 81. mounting grooves; 82. a movable block; 83. a movable rod; 84. a spring; 85. a rubber sleeve; 9. and (6) positioning a groove.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the claimed embodiments. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present application, it is to be understood that the terms "length," "upper," "lower," "horizontal," "top," "bottom," "inner," "outer," "end," "side," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the embodiments of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the embodiments of the present application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of the embodiments of the present application, the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present application. Moreover, the claimed embodiments may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of brevity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the prior art, most of aluminum electrolytic capacitors are formed by integrally forming elements such as cores in an aluminum shell, the aluminum electrolytic capacitors cannot be disassembled, so that the maintenance is inconvenient, the whole aluminum electrolytic capacitors need to be discarded after the aluminum electrolytic capacitors reach the service life, the aluminum shell is not recycled, and the waste of large materials is caused.

As shown in fig. 1-4, the embodiment of the present invention provides a combined aluminum electrolytic capacitor, which comprises an upper casing 1, a lower casing 2, a core 3, a rubber ring 4, a sleeve 5, an annular insertion column 6, an annular butt-joint groove 7, a locking component 8, a positioning groove 9, etc.

Go up casing 1 and casing 2 and can dismantle the connection together, core 3 inserts and locates in casing 2 down, and the core top is connected with anode lead 30 and cathode lead 31, just the top of anode lead 30 and cathode lead 31 all runs through go up casing 1 roof and extend to casing 1 top. And a sealing rubber plug 32 which is matched with the core 3, the anode lead 30 and the cathode lead 31 is uniformly filled in the upper shell 1. The rubber ring 4 is mounted on the anode lead 30 and the cathode lead 31 and is fitted with the inner top wall of the upper case 1. The sleeve 5 is disposed outside the lower case 2. The post 6 is inserted to the annular and annular butt joint groove 7 sets up on last casing 1 and the relative one side of casing 2 down, and the post 6 is inserted to the annular promptly and is fixed in 1 bottom of last casing, and annular butt joint groove 7 is seted up and is inserted the corresponding complex 2 tops of casing down of post 6 with the annular, goes up casing 1 and lower casing 2 and inserts post 6 and annular butt joint groove 7 through the annular and cooperate and seal the joint. The stop component 8 is arranged on the outer wall of the upper shell 1, and a positioning groove 9 matched with the stop component 8 is formed in the inner wall above the sleeve 5.

Specifically, the number of the rubber rings 4 is two, the rubber rings are respectively and fixedly installed on the outer side surfaces of the anode lead 30 and the cathode lead 31, and the rubber rings 4 are tightly attached to the inner top wall of the upper shell 1.

The sleeve 5 is disposed outside the lower housing 2, and has heat dissipation holes 50 uniformly distributed therein. A plurality of supporting blocks 51 are fixedly arranged between the inner wall of the sleeve 5 and the outer wall of the lower shell 2. Go up casing 1 and casing 2 down and be cylindrical tubular structure, sleeve 5 also adopts cylindrical tube-shape, and the sleeve 5 internal diameter is greater than casing 2 external diameter down, supporting shoe 51 one end and casing 2 outer wall fixed connection down, the other end and 5 inner walls fixed connection of sleeve. A heat dissipation hole 50 is also formed between the outer wall of the top of the lower shell 2 and the inner wall of the sleeve 5. Louvre 50 with be favorable to core 3 to reach better radiating effect when using, supporting shoe 51 enables sleeve 5 and the stable being connected of casing 2 down, and can also make down and have the clearance between casing 2 and the sleeve 5 for inside gas flow carries out better release through louvre 50 on the sleeve 5 outer wall and louvre 50 between casing 2 top outer wall department and the sleeve 5 inner wall down.

The annular insert column 6 is fixed at the bottom of the upper shell 1 and is arranged concentrically with the upper shell 1. The annular butt joint groove 7 is formed in the top of the lower shell 2, and the annular inserting column 6 is matched with the annular butt joint groove 7 for use. Namely, the annular inserting column 6 can be just inserted into the annular butt joint groove 7 after the bottom of the upper shell 1 and the top of the lower shell 2 are overlapped.

Specifically, the outer wall of the annular insert column 6 is sleeved with an annular sealing ring 60, and the bottom of the annular insert column is also provided with an annular block 61 which is concentrically arranged. The bottom of the annular butt-joint groove 7 of the lower shell 2 is also provided with an annular groove 70 matched with the annular block 61. When the annular butt joint sealing ring is used, the annular inserting column 6 is clamped in the horizontal part inside the annular butt joint groove 7, the annular block 61 is inserted into the annular groove 70, and the outer wall of the annular sealing ring 60 is tightly attached to the inner wall of the annular butt joint groove 7. Through the cooperation of annular piece 61 and annular groove 70 to make casing 1 and casing 2 joint more stable down, the extrusion of ring seal 60 is favorable to improving sealed effectual on annular butt joint groove 7 inner wall.

Stop subassembly 8 is fixed in the diapire department of last casing 1, and stop subassembly 8 can adopt the multiunit, is two sets of at least, if adopt the multiunit then the interval equidistance set up, if two sets of then the symmetry sets up. And a positioning groove 9 matched with the stop component 8 is formed in the inner wall of the top of the sleeve 5. Specifically, the sleeve 5 has an extending portion 52 at the top, the extending portion 52 extends upwards along the sleeve 5 outside the heat dissipation hole 50 between the outer wall of the top of the lower casing 2 and the inner wall of the sleeve 5, that is, the extending portion 52 extends upwards from the outer side of the top of the lower casing 2, a gap is formed between the extending portion 52 and the outer wall of the lower casing 2, and the positioning groove 9 is opened on the inner wall of the extending portion 52 corresponding to the outer wall of the upper casing 1. The stop component 8 can be movably inserted into the positioning groove 9.

Specifically, the stopper assembly 8 includes: connecting block 80, mounting groove 81, movable block 82, movable rod 83 and spring 84.

Connecting block 80 sets up horizontally on last casing 1 outer wall, and movable block 82 movable mounting is on the lateral wall of connecting block 80, but movable block 82 horizontal direction free movement. That is, one end of the connecting block 80 is vertically fixed on the outer wall of the upper shell 1, the connecting block 80 is positioned on the outer side wall close to the bottom edge of the upper shell 1, the horizontal length of the connecting block 80 is equal to the distance between the outer wall of the lower shell 2 and the inner wall of the sleeve 5, and the connecting end of the connecting block 80 and the outer wall of the upper shell 1 is provided with an arc surface equal to the radian of the upper shell 1. The mounting groove 81 is opened on the outer side wall of the connecting block 80 corresponding to the extending portion 52 of the sleeve 5, one end of the movable rod 83 is inserted into the mounting groove 81, and the other end is connected and fixed with the outer wall of the movable block 82. The spring 84 is sleeved on the movable rod 83, and one end of the spring 84 is fixedly connected with the inner bottom surface of the mounting groove 81, and the other end is fixedly connected with the movable block 82. The positioning groove 9 is opened on the inner wall of the extension part 52 of the sleeve 5 corresponding to the movable block 82 and capable of being matched with each other. The positioning slots 9 are the same in number as the stop assemblies 8 and extend to the outside of the sleeve 5. In this embodiment, two sets of stopping assemblies 8, i.e., two sets of positioning grooves 9, are symmetrically arranged along the central axis of the upper casing 1. The inner wall of the positioning groove 9 can be fixedly provided with a rubber sleeve 85 which is matched with the movable block 82, which is beneficial to conveniently pushing the movable block 82 and can prevent sundries from entering the positioning groove 9.

Due to the elasticity of the spring 84, after the annular insertion column 6 at the bottom of the upper shell 1 is inserted into the annular butt-joint groove 7, the spring 84 pushes the movable block 82 to move into the positioning groove 9, so that the upper shell 1 is fixedly installed on the top of the lower shell 2. When the capacitor is disassembled, the upper shell 1 can be disassembled by applying pressure to the movable block 82 towards the inner direction of the lower shell 2 by hand, so that the capacitor is maintained or the outer shell of the capacitor reaching the service life is recycled.

In order to more conveniently insert the upper casing 1 on the top of the lower casing 2, an annular groove 520 may be annularly formed on the inner wall of the extending portion 52, the depth of the annular groove 520 is one half of the depth of the extending portion 52, the positioning groove 9 is disposed in the annular groove 520, and the positioning groove 9 extends to the outside of the extending portion 52, that is, after the annular insertion column 6 at the bottom of the upper casing 1 is inserted into the annular abutting groove 7, the spring 84 pushes the movable block 82 to move into the annular groove 520, and then the upper casing 1 is rotated to make the movable block 82 be located in the positioning groove 9 on the annular groove 520, so that the upper casing 1 is fixedly mounted on the top of the lower casing 2. When the upper housing 1 is disassembled, the movable block 82 is rotated out of the positioning groove 9 by applying pressure to the inner direction of the lower housing 2 by hand, and then the upper housing 1 is disassembled.

Claims

1. A combined aluminum electrolytic capacitor is characterized by further comprising:

an upper case (1);

the lower shell (2) is detachably connected with the upper shell (1);

the core (3) is inserted into the lower shell (2), the top end of the core (3) is connected with an anode lead (30) and a cathode lead (31), and the top ends of the anode lead (30) and the cathode lead (31) penetrate through the top wall of the upper shell (1) and extend to the upper part of the upper shell (1);

the sleeve (5) is arranged on the outer side of the lower shell (2), and heat dissipation holes (50) which are uniformly distributed are formed in the sleeve;

the supporting block (51) is fixedly arranged between the inner wall of the sleeve (5) and the outer wall of the lower shell (2);

the annular inserting column (6) is fixed at the bottom of the upper shell (1) and is arranged concentrically with the upper shell (1);

the annular butt joint groove (7) is formed in the top of the lower shell (2) and matched with the annular inserting column (6);

the stop assembly (8) is fixed at the outer wall of the lower end of the upper shell (1);

the inner walls of the sleeve (5) and the stopping component (8) which face each other are provided with matched positioning grooves (9), the positioning grooves (9) extend to the outer side of the sleeve (5), and the stopping component (8) can be movably arranged in the positioning grooves (9); and a sealing rubber plug (32) matched with the core (3), the anode lead (30) and the cathode lead (31) is uniformly filled in the upper shell (1).

2. The combined aluminum electrolytic capacitor of claim 1, wherein the outer side surfaces of the anode lead (30) and the cathode lead (31) are fixedly provided with rubber rings (4) which are matched with the inner top wall of the upper shell (1) and are tightly attached.

3. The combined aluminum electrolytic capacitor of claim 1, wherein the outer wall of the annular insert column (6) is sleeved with an annular sealing ring (60), and the outer wall of the annular sealing ring (60) is tightly attached to the inner wall of the annular butt-joint groove (7).

4. The combined aluminum electrolytic capacitor according to claim 1 or 3, wherein the bottom of the annular insertion column (6) is fixedly provided with an annular block (61), the bottom of the annular butt-joint groove (7) is provided with an annular groove (70), the annular insertion column (6) is clamped in the horizontal part inside the annular butt-joint groove (7), and the annular block (61) is inserted into the annular groove (70).

5. The combined aluminum electrolytic capacitor of claim 1, wherein the number of the stopping assemblies (8) is at least two, and the stopping assemblies (8) are arranged at equal intervals, and the number of the positioning grooves (9) is the same as that of the stopping assemblies (8).

6. The combined aluminum electrolytic capacitor according to claim 1 or 5, wherein the stopper assembly (8) comprises:

the connecting block (80) is horizontally fixed on the outer wall of the bottom end of the upper shell (1), and a mounting groove (81) is formed in the side wall far away from the upper shell (1);

the movable block (82) is movably arranged on the outer side of the connecting block (80);

one end of the movable rod (83) is connected with the inner wall of the mounting groove (81), and the other end of the movable rod is connected with the outer wall of the movable block (82);

a spring (84) is sleeved on the outer wall of the movable rod (83), one end of the spring (84) is connected with the inner side wall of the mounting groove (81), and the other end of the spring (84) is connected with the outer side wall of the movable block (82); the movable block (82) can be horizontally and movably clamped in the positioning groove (9).

7. The combined aluminum electrolytic capacitor according to claim 1 or 5, wherein the sleeve (5) has an extension portion (52) at the top, and the positioning groove (9) is opened on the inner wall of the extension portion (52).

8. The combined aluminum electrolytic capacitor of claim 7, wherein an annular groove (520) is formed on the inner wall of the extending portion (52), and the positioning groove (9) is formed on the annular groove (520) and extends to the outside of the sleeve (5).