CN216928294U

CN216928294U - Totally enclosed formula tantalum capacitor

Info

Publication number: CN216928294U
Application number: CN202123278955.8U
Authority: CN
Inventors: 彭鹤兰; 周迪; 郭志强
Original assignee: Hunan Xiangjun Electronic Technology Co ltd
Current assignee: Hunan Xiangyi Electronic Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-08
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a fully-sealed tantalum capacitor, which comprises a capacitor main body and two leads arranged at the bottom end of the capacitor main body, wherein a sealing mechanism is arranged on the capacitor main body; sealing mechanism includes the casing down, the connecting pipe, the fixture block, the rectangle rubber circle, stopper and connecting screw, condenser main part below is provided with down the casing, the internal bottom surface of inferior valve inlays and is equipped with the connecting pipe, the connecting pipe is equipped with two altogether and its and the internal space of casing switch on each other down, the lead wire runs through the connecting pipe and extends to the casing outside down, a draw-in groove has been seted up on every connecting pipe inner wall, every lead wire outer peripheral face cover is equipped with a fixture block, condenser main part top is provided with the casing, the constant head tank has been seted up to inferior valve body top surface, go up the fixed rectangle rubber circle that is provided with in casing bottom surface, it passes through rectangle rubber circle and constant head tank joint to go up the casing, spacing hole has been seted up to the internal bottom surface of inferior valve. The utility model completes the comprehensive sealing, improves the protection effect of the tantalum capacitor and has high material utilization rate.

Description

Totally enclosed formula tantalum capacitor

Technical Field

The utility model relates to the technical field of tantalum capacitors, in particular to a fully-sealed tantalum capacitor.

Background

The capacitor is an element for storing electric quantity and electric energy (potential energy), is often applied to filtering, energy storage and conversion, mark bypass, coupling and decoupling, and is used as a time constant element, and the like, and has a great effect in circuits such as tuning, bypass, coupling, filtering and the like. The tantalum capacitor is different from the common electrolytic capacitor in that: tantalum metal is used as a medium in a tantalum capacitor, and an electrolyte is generally used as a medium in a common electrolytic capacitor. Tantalum capacitors are collectively referred to as tantalum electrolytic capacitors. The tantalum capacitor is not only widely applied in the fields of military communication, aerospace and the like, but also gradually expands the application range to products such as industrial control, video equipment, communication instruments and the like.

In order to ensure the operation and sealing of the capacitor, the whole capacitor is generally encapsulated by ceramic, glass glaze and other materials.

In the prior art, the whole capacitor is generally packaged by materials such as ceramic, glass glaze and the like, but the capacitor has a common protection effect, the medium is exposed or the main body of the capacitor is damaged due to easy damage caused by stress and impact, and the tantalum capacitor is generally directly discarded after being naturally damaged, so that the material waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a fully-sealed tantalum capacitor, which can effectively solve the problems that in the prior art, the whole capacitor is generally packaged by ceramic, glass glaze and other materials, but the whole capacitor has a common protection effect, the medium is exposed or the main body of the capacitor is damaged due to easy damage caused by stress and impact, and the tantalum capacitor is generally directly discarded after being naturally damaged, so that the material waste is caused.

In order to solve the technical problems, the utility model is realized by the following technical scheme: a fully-sealed tantalum capacitor comprises a capacitor main body and two leads arranged at the bottom end of the capacitor main body, wherein a sealing mechanism is arranged on the capacitor main body;

the sealing mechanism comprises a lower shell, connecting pipes, clamping blocks, rectangular rubber rings, limiting blocks and connecting screws, wherein the lower shell is arranged below the capacitor main body, the connecting pipes are embedded in the bottom surface of the inner part of the lower shell, the connecting pipes are provided with two connecting pipes which are communicated with the inner space of the lower shell, the lead wire penetrates through the connecting pipes and extends to the outer part of the lower shell, a clamping groove is formed in the inner wall of each connecting pipe, the clamping block is sleeved on the outer peripheral surface of each lead wire, an upper shell is arranged above the capacitor main body, the top surface of the lower shell is provided with a positioning groove, the bottom surface of the upper shell is fixedly provided with the rectangular rubber rings, the upper shell is clamped with the positioning grooves through the rectangular rubber rings, the inner bottom surface of the lower shell is provided with limiting holes, the bottom surface of the rectangular rubber rings is provided with first threaded holes, and the bottom surface of the upper shell is provided with second threaded holes, every spacing downthehole activity is provided with a stopper, every the stopper top is fixed and is provided with a connecting screw, connecting screw runs through spacing hole and through first screw hole and second screw hole in proper order with rectangle rubber circle and last casing threaded connection, every a cross edge of a knife has been seted up to the stopper bottom, and the stopper can the activity break away from spacing hole.

Preferably, the fixture block and the limiting block are made of rubber materials, the fixture block is disc-shaped and is clamped with the connecting pipe through a clamping groove, the inner diameter of the clamping groove is smaller than the outer diameter of the fixture block, the limiting block and the limiting hole are both in a round table shape, and the limiting block is clamped with the lower shell through the limiting hole.

Preferably, the spacing hole is equipped with four altogether and closes on four corners of casing down respectively, first screw hole and second screw hole all are the one-to-one setting with spacing hole.

Preferably, the observation hole has been seted up to the upper housing top surface, the observation hole is equipped with four altogether and extends to the second screw hole inside one by one, and the observation hole mainly makes things convenient for personnel to confirm whether thoroughly will descend casing and upper housing lock to die fixedly.

Preferably, the center of the top surface inside the upper shell is fixedly provided with a rubber abutting block, the bottom end of the rubber abutting block abuts against the top surface of the capacitor main body, and the rubber abutting block is mainly matched with a connecting pipe to clamp the upper end and the lower end of the capacitor main body.

Preferably, a set of supporting springs are fixedly arranged on the inner walls of the left side and the right side of the lower shell respectively, each set of supporting springs is fixedly provided with a clamping arc block at one end close to the horizontal plane of the vertical center of the lower shell, and the concave surface of each clamping arc block is abutted to the outer peripheral surface of the capacitor main body.

Preferably, the number of the supporting springs is four, every two supporting springs are in a group and are symmetrically arranged in a front-back mode on the horizontal plane corresponding to the transverse center of the clamping arc block, and the supporting springs mainly adjust the position of the clamping arc block by means of deformation to adapt to the size of the outer peripheral surface of the capacitor main body.

Compared with the prior art, the fully-sealed tantalum capacitor has the following beneficial effects:

in the utility model, a capacitor main body is placed between two clamping arc blocks, the concave surfaces of the clamping arc blocks can extrude a supporting spring after contacting with the outer peripheral surface of the capacitor main body, the supporting spring is stressed and compressed and pushes the clamping arc blocks to approach each other by virtue of the deformation recovery characteristic so as to preliminarily clamp and fix the capacitor main body on a lower shell, a lead wire on the capacitor main body can be led into the outer part of the lower shell through a connecting pipe, the connecting pipe can be sealed by filling a clamping block of a rubber material on the lead wire into a clamping groove so as to prevent water vapor from entering the lower shell, when the upper shell is assembled with the lower shell, a rectangular rubber ring is then put into a positioning groove for clamping, a person puts the connecting screw into a limiting hole and then can sequentially and rotatably insert the connecting screw into the rectangular rubber ring and the upper shell through a first threaded hole and a second threaded hole, after the lower shell and the upper shell are completely locked and fixed through an observation hole, adopt the stopper of rubber material and round platform form atress extrusion deformation thereupon and fill spacing hole, the inseparable sealing between casing and lower casing has been further accomplished to rectangle rubber circle atress extrusion simultaneously, it is comprehensively sealed to accomplish tantalum capacitor through last casing and lower casing assembly, external disturbance has been obstructed, when external force strikes, go up casing cooperation down the casing can carry out the bulk protection with the foreign object separation to the capacitor main part and avoid direct contact, the impact vibrations of transmission to inside can support the piece and further cushion under supporting spring's cooperation at rubber, tantalum capacitor protective effect promotes, after tantalum capacitor natural damage, can dismantle the separation with the lower casing with the help of the cross edge of a knife of screwdriver and stopper bottom, other parts except that capacitor main part and lead wire can recycle, material utilization is high.

Drawings

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

FIG. 1 is a schematic diagram of an overall structure of a fully-sealed tantalum capacitor according to the present invention;

FIG. 2 is a schematic top view of a fully sealed tantalum capacitor according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3 according to the present invention;

FIG. 5 is a schematic cross-sectional view at C-C of FIG. 3 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a capacitor body; 2. a lead wire; 3. a lower housing; 4. a connecting pipe; 5. a clamping block; 6. a rectangular rubber ring; 7. a limiting block; 8. connecting a screw rod; 9. a rubber supporting block; 10. a support spring; 11. clamping the arc block; 12. and an upper housing.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention is a fully sealed tantalum capacitor, which comprises a capacitor body 1 and two leads 2 disposed at the bottom end of the capacitor body 1, wherein a sealing mechanism is disposed on the capacitor body 1;

the sealing mechanism comprises a lower shell 3, connecting pipes 4, clamping blocks 5, rectangular rubber rings 6, limiting blocks 7 and connecting screws 8, wherein the lower shell 3 is arranged below a capacitor main body 1, the connecting pipes 4 are embedded in the bottom surface of the inner part of the lower shell 3, the connecting pipes 4 are provided with two parts in total and are communicated with the inner space of the lower shell 3, lead wires 2 penetrate through the connecting pipes 4 and extend to the outer part of the lower shell 3, a clamping groove is formed in the inner wall of each connecting pipe 4, the clamping block 5 is sleeved on the outer peripheral surface of each lead wire 2, an upper shell 12 is arranged above the capacitor main body 1, a positioning groove is formed in the top surface of the lower shell 3, the rectangular rubber rings 6 are fixedly arranged on the bottom surface of the upper shell 12, the upper shell 12 is clamped with the positioning groove through the rectangular rubber rings 6, limiting holes are formed in the bottom surface of the inner part of the lower shell 3, first threaded holes are formed in the bottom surface of the rectangular rubber rings 6, and second threaded holes are formed in the bottom surface of the upper shell 12, every spacing downthehole activity is provided with a stopper 7, and 7 tops of every stopper are fixed and are provided with a connecting screw 8, and connecting screw 8 runs through spacing hole and in proper order with lower casing 3 and upper casing 12 threaded connection through first screw hole and second screw hole, and a cross edge of a knife has been seted up to 7 bottoms of every stopper, and stopper 7 can break away from spacing hole by the activity.

Further, fixture block 5 and stopper 7 are made by rubber materials, and fixture block 5 is discoid and it passes through draw-in groove and 4 joints of connecting pipe, and the internal diameter of draw-in groove is less than fixture block 5's external diameter, and stopper 7 all is the round platform form with spacing hole, and stopper 7 is through spacing hole and lower casing 3 joints.

Further, spacing hole is equipped with four altogether and closes on 3 four corners of casing down respectively, and first screw hole and second screw hole all are the one-to-one setting with spacing hole.

Furthermore, the top surface of the upper shell 12 is provided with four observation holes which extend into the second threaded hole one by one, and the observation holes are mainly convenient for people to confirm whether the connecting screw rod 8 completely locks and fixes the lower shell 3 and the upper shell 12.

Further, the center of the top surface inside the upper shell 12 is fixedly provided with a rubber abutting block 9, the bottom end of the rubber abutting block 9 abuts against the top surface of the capacitor main body 1, and the rubber abutting block 9 is mainly matched with the connecting pipe 4 to clamp the upper end and the lower end of the capacitor main body 1.

Further, a set of supporting spring 10 is fixedly arranged on the inner walls of the left side and the right side of the lower shell 3 respectively, one end of each set of supporting spring 10 close to the horizontal plane of the vertical center of the lower shell 3 is fixedly provided with a clamping arc block 11, and the concave surface of each clamping arc block 11 is abutted to the outer peripheral surface of the capacitor main body 1.

Furthermore, the number of the supporting springs 10 is four, every two supporting springs 10 are in a group and are symmetrically arranged in a front-back manner on the horizontal plane corresponding to the transverse center of the clamping arc block 11, and the supporting springs 10 mainly adjust the position of the clamping arc block 11 by deformation to adapt to the size of the outer peripheral surface of the capacitor body 1.

The working principle of the utility model is as follows:

when a person uses the capacitor, the capacitor body 1 is placed between the two clamping arc blocks 11, the concave surfaces of the clamping arc blocks 11 contact with the outer peripheral surface of the capacitor body 1 and then extrude the supporting spring 10, the supporting spring 10 is compressed under force and then pushes the clamping arc blocks 11 to approach each other by means of the deformation recovery characteristic so as to preliminarily clamp and fix the capacitor body 1 on the lower shell 3, the lead 2 on the capacitor body 1 is led into the outer part of the lower shell 3 through the connecting pipe 4, the clamping block 5 made of rubber materials on the lead 2 is deformed and filled into the clamping groove to seal the connecting pipe 4 and prevent water vapor from entering the lower shell 3, when the upper shell 12 is assembled with the lower shell 3, the rectangular rubber ring 6 is placed into the positioning groove for clamping, the connecting screw 8 is placed into the limiting hole and then the connecting screw 8 is sequentially and rotatably inserted into the rectangular rubber ring 6 and the upper shell 12 through the first threaded hole and the second threaded hole, after the connection screw 8 is confirmed to be completely locked and fixed with the lower shell 3 and the upper shell 12 through the observation hole, the limiting hole is filled with the rubber material and the truncated cone-shaped limiting block 7 which is extruded and deformed along with the stress, the rectangular rubber ring 6 is extruded and stressed at the same time to further complete the tight sealing between the upper shell 12 and the lower shell 3, when the external force impacts, the upper shell 12 is matched with the lower shell 3 to block foreign objects to integrally protect the capacitor main body 1 to avoid direct contact, the impact vibration transmitted to the inside is further buffered under the matching of the rubber supporting block 9 and the supporting spring 10, the protective effect of the tantalum capacitor is improved, after the tantalum capacitor is naturally damaged, the upper shell 12 and the lower shell 3 can be detached and separated by means of a cross knife edge at the bottom end of the screwdriver and the limiting block 7, other components except the capacitor main body 1 and the lead wire 2 are recycled again, and the material utilization rate is high.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The fully-sealed tantalum capacitor is characterized by comprising a capacitor main body (1) and two leads (2) arranged at the bottom end of the capacitor main body (1), wherein a sealing mechanism is arranged on the capacitor main body (1);

the sealing mechanism comprises a lower shell (3), a connecting pipe (4), clamping blocks (5), rectangular rubber rings (6), limiting blocks (7) and a connecting screw rod (8), wherein the lower shell (3) is arranged below the capacitor main body (1), the connecting pipe (4) is embedded in the bottom surface of the inner part of the lower shell (3), the connecting pipe (4) is provided with two connecting pipes which are communicated with the inner space of the lower shell (3), the lead (2) penetrates through the connecting pipe (4) and extends to the outer part of the lower shell (3), a clamping groove is formed in the inner wall of each connecting pipe (4), the clamping block (5) is sleeved on the outer peripheral surface of each lead (2), an upper shell (12) is arranged above the capacitor main body (1), a positioning groove is formed in the top surface of the lower shell (3), and the rectangular rubber rings (6) are fixedly arranged on the bottom surface of the upper shell (12), go up casing (12) and pass through rectangle rubber circle (6) and constant head tank joint, spacing hole has been seted up to casing (3) inside bottom surface down, first screw hole has been seted up to rectangle rubber circle (6) bottom surface, go up casing (12) bottom surface and seted up the second screw hole, every spacing downthehole activity is provided with a stopper (7), every stopper (7) top is fixed and is provided with a connecting screw (8), connecting screw (8) run through spacing hole and through first screw hole and second screw hole in proper order with casing (3) and last casing (12) threaded connection down, every a cross edge of a knife has been seted up to stopper (7) bottom.

2. The fully-sealed tantalum capacitor as claimed in claim 1, wherein: the clamping block (5) and the limiting block (7) are made of rubber materials, the clamping block (5) is disc-shaped and is connected with the connecting pipe (4) in a clamping mode through a clamping groove, the inner diameter of the clamping groove is smaller than the outer diameter of the clamping block (5), the limiting block (7) and the limiting hole are both in a round table shape, and the limiting block (7) is connected with the lower shell (3) in a clamping mode through the limiting hole.

3. The fully-sealed tantalum capacitor as claimed in claim 1, wherein: the limiting holes are four in number and close to four corners of the lower shell (3) respectively, and the first threaded holes and the second threaded holes are in one-to-one correspondence with the limiting holes.

4. The fully-sealed tantalum capacitor as claimed in claim 1, wherein: the top surface of the upper shell (12) is provided with four observation holes which extend into the second threaded holes one by one.

5. The fully-sealed tantalum capacitor as claimed in claim 1, wherein: the capacitor is characterized in that a rubber abutting block (9) is fixedly arranged at the center of the top surface inside the upper shell (12), and the bottom end of the rubber abutting block (9) is abutted against the top surface of the capacitor main body (1).

6. The fully-sealed tantalum capacitor as claimed in claim 1, wherein: a set of supporting springs (10) are fixedly arranged on the inner walls of the left side and the right side of the lower shell (3) respectively, each group of supporting springs (10) is fixedly provided with a clamping arc block (11) at one end close to the horizontal plane of the vertical center of the lower shell (3), and the concave surface of each clamping arc block (11) is abutted to the outer peripheral surface of the capacitor main body (1).

7. The fully-sealed tantalum capacitor as claimed in claim 6, wherein: the number of the supporting springs (10) is four, every two supporting springs (10) are in a group and are symmetrically arranged in the front-back direction on the horizontal plane corresponding to the transverse center of the clamping arc block (11).