CN214848228U

CN214848228U - High-stability surface mount type aluminum electrolytic capacitor

Info

Publication number: CN214848228U
Application number: CN202121385096.XU
Authority: CN
Inventors: 施华
Original assignee: Changzhou Jiarong Electronics Co ltd
Current assignee: Changzhou Jiarong Electronics Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-23
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a SMD aluminum electrolytic capacitor of high stability, its technical scheme main points are: including capacitor body, capacitor body bottom is provided with the base shell that the bottom surface runs through the setting, still include supporting component, supporting component includes the support and the guide frame of H type, the support slides and pegs graft in capacitor body's base shell, the equal level in middle part both sides of support is provided with the guide frame, the spacing groove has been seted up to the top surface middle part level of guide frame, peg graft in the spacing groove with capacitor body on the lead wire, overcome the fixed slot of current SMD aluminum electrolytic capacitor fixed electrode lead wire, the precision during requirement adds man-hour is higher, the degree of difficulty of increase processing, electrode lead wire is unfavorable for the installation to be placed simultaneously, the welded degree of difficulty is higher.

Description

High-stability surface mount type aluminum electrolytic capacitor

Technical Field

The utility model relates to a SMD aluminum electrolytic capacitor technical field, concretely relates to SMD aluminum electrolytic capacitor of high stability.

Background

The aluminum electrolytic capacitor, also called as capacitor, is an energy storage element, its structure can be divided into three kinds of fixed capacitor, semi-variable capacitor, its characteristic is that the capacity is big, but the electric leakage is big, the error is big, the poor stability, commonly used as exchanges bypass and filtering, also be used for signal coupling when not high in the requirement, SMD aluminum electrolytic capacitor installs the aluminum electrolytic capacitor of contact pin type on the base that is used for the paster, wherein, two lead wires of aluminum electrolytic capacitor pass the base respectively and place in the lead wire groove of base, because the lead wire is placed in the lead wire groove of base, alright realize paster operation, convenient application.

Chinese patent No. CN212848060U discloses a high-stability chip aluminum electrolytic capacitor, which includes: the capacitor comprises a capacitor body, a base and two electrode leads connected with the capacitor body; the base is provided with two lead holes and a lead groove communicated with the lead holes; the two lead slots are mutually isolated and extend in opposite directions; the lead groove includes: the soldering tin groove is communicated with the fixing groove, the section of the fixing groove is in a trapezoid shape with a large upper part and a small lower part, and the section of the soldering tin groove is in a structure with a small upper part and a large lower part; the cross section of the electrode lead is in a trapezoid shape with a large upper part and a small lower part, the electrode lead penetrates through the lead hole and is clamped by the fixing groove, and the difference between the thickness of the electrode lead and the depth of the lead groove is within plus or minus 0.3 mm. The electrode lead penetrates through the lead hole and the fixing groove to enter the lead groove, and the electrode lead is clamped by the fixing groove and fixed in the lead groove; the difference between the thickness of the electrode lead and the depth of the lead slot is within plus or minus 0.3mm, so that the electrode lead is basically leveled with the bottom surface of the base after being fixed in the lead slot, and the base of the surface mount type aluminum electrolytic capacitor is prevented from being placed on a PCB board to incline and deviate; simultaneously, the cross-section in soldering tin groove is greater than the cross-section that the electrode lead stretched into soldering tin groove part, just there is the gap between the surface in soldering tin groove and the electrode lead, when reflow soldering equipment welded, not only can adhere to the lower surface at the electrode lead after the tin cream melts, still can adhere to the side at the electrode lead, has increased the area of last tin, can effectively promote welded intensity.

However, in the actual use process, the fixing groove for fixing the electrode lead of the surface mount type aluminum electrolytic capacitor requires higher precision in processing, increases the processing difficulty, and meanwhile, the electrode lead is not beneficial to installation and placement, and the welding difficulty is higher.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the problems mentioned in the background art, and an object of the present invention is to provide a high-stability chip aluminum electrolytic capacitor to solve the problems mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a SMD aluminum electrolytic capacitor of high stability, includes capacitor body, and the capacitor body bottom is provided with the bottom surface and runs through the base shell that sets up, still includes supporting component, and supporting component includes the support and the guide frame of H type, and the support slides and pegs graft in capacitor body's base shell, and the equal level in middle part both sides of support is provided with the guide frame, and the spacing groove has been seted up to the top surface middle part level of guide frame, and the plug-in cooperation has the pin line on the capacitor body in the spacing groove.

The preferred, equal vertical a plurality of spouts of having seted up on the both sides terminal surface at support middle part, the equal vertical symmetry in top surface both sides of support is fixed with many inserted bars.

Through adopting above-mentioned technical scheme, all seted up a plurality of spouts along the horizontal direction in the recess of support middle part both sides, the symmetry is vertical to be fixed with many inserted bars on the top surface of support, and the direction of being convenient for is supported and is slided, improves the stability of motion.

Preferably, the two sides of the guide frame are provided with sliding blocks in sliding fit with the sliding grooves in the support, elastic pieces are vertically fixed on the upper end face and the lower end face of each sliding block of the guide frame, and the other ends of the elastic pieces are fixed on the adjacent end faces of the sliding grooves.

Through adopting above-mentioned technical scheme, the both sides of guide frame are evenly fixed with the slider, and slidable mounting is in the spout in the slider of guide frame, the vertical slip of being convenient for, and the absorption vibrations, the equal vertical elastic sheet that is fixed with in both ends about the slider of guide frame simultaneously, and the other end of elastic sheet is fixed at the adjacent tip of spout of guide frame simultaneously to lead to the vertical slip of guide frame during vibrations, extrusion elastic sheet deformation absorbs unnecessary vibrations.

Preferably, an insulating sleeve is bonded in the limiting groove of the guide frame, and a pin wire is inserted in the insulating sleeve.

By adopting the technical scheme, the inner wall of the limiting groove is bonded with the insulating sleeve, and the pin wire is inserted in the insulating sleeve, so that the short circuit of the circuit is avoided.

Preferably, the top surface of the base shell is vertically provided with a jack in a penetrating way.

Through adopting above-mentioned technical scheme, vertical the running through has seted up a plurality of jacks on the top surface of base shell for vertical direction support removes.

Preferably, the top surface of the support is vertically fixed with an insertion rod, and the insertion rod vertically penetrates through the insertion hole of the base shell.

Through adopting above-mentioned technical scheme vertical be fixed with the inserted bar on the support top surface, the vertical slip of inserted bar is pegged graft in the jack of base shell for direction in the vertical direction, the vertical removal of being convenient for is led.

To sum up, the utility model discloses mainly have following beneficial effect:

when using this high stability's SMD aluminum electrolytic capacitor, lead wire through with capacitor body passes spacing groove in the guide frame during use, and the insulating cover is established to the cover on the pin line, paste on the bottom surface through the support during use and apply on the circuit board, slight vibrations lead to the support to take place the motion in the base shell, thereby the stability of lead wire when guaranteeing the installation, thereby overcome the fixed slot of current SMD aluminum electrolytic capacitor fixed electrode lead wire, the precision of requirement man-hour is higher, the degree of difficulty of increase processing, electrode lead wire is unfavorable for the installation to be placed simultaneously, the welded degree of difficulty is higher.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-stability chip aluminum electrolytic capacitor;

FIG. 2 is an exploded view of a high stability chip aluminum electrolytic capacitor;

FIG. 3 is an exploded view of a support assembly in an embodiment of a high-stability surface mount aluminum electrolytic capacitor;

FIG. 4 is an exploded view of a shock-absorbing component in an embodiment of a high-stability surface mount aluminum electrolytic capacitor;

FIG. 5 is a schematic structural diagram of a base case in an embodiment of a high-stability chip aluminum electrolytic capacitor

Reference numerals: 1. a capacitor body; 11. a base housing; 12. a jack; 2. a support assembly; 21. a support; 211. a chute; 212. inserting a rod; 22. a guide frame; 23. a limiting groove; 24. an elastic sheet; 25. an insulating sleeve; 26. lead wires; 27. supporting a groove; 3. a shock absorbing assembly; 31. a rubber sheet; 32. a rubber sleeve; 33. and (5) sound absorption cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, a high-stability chip aluminum electrolytic capacitor, including capacitor body 1, capacitor body 1 bottom is provided with base shell 11, base shell 11 bottom surface runs through the setting, still include supporting component 2, supporting component 2 includes support 21 and the guide frame 22 of H type, support 21 slides and pegs graft in capacitor body 1's base shell 11, the mounting groove has been seted up at the support 21 middle part, the equal level in mounting groove middle part both sides of support 21 is provided with guide frame 22, the spacing groove 23 of pegging graft with the lead wire 26 on capacitor body 1 is seted up to the top surface middle part level of guide frame 22, a supporting groove 27 has been seted up at the top surface middle part of support 21, be provided with damper 3 in the supporting groove 27.

By adopting the technical scheme, when the high-stability patch type aluminum electrolytic capacitor is used, the pin wire 263 of the capacitor body 1 penetrates through the limiting groove 23 in the guide frame 22 during use, the insulating sleeve 25 is sleeved on the pin wire 263, the bottom surface of the support 21 is attached to a circuit board during use, slight vibration causes the support 21 to move in the base shell 11, and therefore the stability of the pin wire 263 during installation is ensured.

Referring to fig. 3, a plurality of sliding grooves 211 are formed in the grooves on two sides of the middle of the support 21 along the horizontal direction, and a plurality of inserting rods 212 are symmetrically and vertically fixed on the top surface of the support 21, so that the guide support can slide conveniently, and the movement stability is improved.

Referring to fig. 3, the sliders are uniformly fixed to two sides of the guide frame 22, the sliders of the guide frame 22 are slidably mounted in the sliding grooves 211, so that vertical sliding is facilitated, and vibration is absorbed, meanwhile, the elastic pieces 24 are vertically fixed to the upper ends and the lower ends of the sliders of the guide frame 22, the other ends of the elastic pieces 24 are fixed to the adjacent end portions of the sliding grooves 211 of the guide frame 22, so that the guide frame 22 vertically slides during vibration, the elastic pieces 24 are extruded to deform, and redundant vibration is absorbed. An insulating sleeve 25 is bonded in the inner wall of the limiting groove 23, and a pin wire 26 is inserted in the insulating sleeve 25, so that the short circuit of the circuit is avoided.

Referring to fig. 3, a plurality of insertion holes 12 are vertically perforated on the top surface of the base housing 11 for vertically guiding the movement of the support 21. An inserting rod 212 is vertically fixed on the top surface of the support 21, and the inserting rod 212 is vertically inserted into the inserting hole 12 of the base shell 11 in a sliding manner for guiding in the vertical direction so as to facilitate vertical movement and guiding.

Referring to fig. 3 and 4, the damping assembly 3 includes a rubber sheet 31 and a rubber sleeve 32, the rubber sheet 31 is horizontally disposed in the supporting groove 27 of the support 21, a plurality of rubber sleeves 32 are uniformly and vertically fixed on the bottom surface of the rubber sheet 31, the bottom end of the rubber sleeve 32 is fixed in the supporting groove 27 of the support 21, and a sound-absorbing cotton 33 is adhered on the top surface of the rubber sheet 31, so as to absorb shock, and the sound-absorbing cotton 33 and the rubber sleeve 32 deform during squeezing movement, thereby absorbing excessive shock.

The working principle is as follows: referring to fig. 1, 2, 3, 4 and 5, when the high-stability chip aluminum electrolytic capacitor is used, the lead wires 263 of the capacitor body 1 pass through the limiting grooves 23 in the guide frame 22, and the insulating sleeve 25 is sleeved on the lead wires 263, and is attached to the circuit board through the bottom surface of the support 21 during use, so that the support 21 moves in the base shell 11 due to slight vibration, thereby ensuring the stability of the lead wires 263 during installation.

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

Claims

1. The utility model provides a SMD aluminum electrolytic capacitor of high stability, includes capacitor body (1), capacitor body (1) bottom is provided with base shell (11) that the bottom surface runs through the setting, its characterized in that: the capacitor comprises a capacitor body (1) and is characterized by further comprising a supporting component (2), the supporting component (2) comprises an H-shaped support (21) and a guide frame (22), the support (21) is inserted into a base shell (11) of the capacitor body (1) in a sliding mode, the guide frame (22) is horizontally arranged on two sides of the middle of the support (21), a limiting groove (23) is horizontally formed in the middle of the top surface of the guide frame (22), and pin wires (26) on the capacitor body (1) are inserted and matched in the limiting groove (23).

2. The high-stability patch type aluminum electrolytic capacitor according to claim 1, wherein: a plurality of sliding grooves (211) are vertically formed in the end faces of the two sides of the middle of the support (21), and a plurality of inserting rods (212) are vertically and symmetrically fixed to the two sides of the top face of the support (21).

3. The high-stability patch type aluminum electrolytic capacitor according to claim 1, wherein: the both sides of guide frame (22) be provided with spout (211) sliding fit's on support (21) slider, equal vertical elastic sheet (24) of being fixed with on the slider of guide frame (22) the terminal surface from top to bottom, the other end of elastic sheet (24) with the adjacent terminal surface of spout (211) is fixed.

4. The high-stability patch type aluminum electrolytic capacitor according to claim 3, wherein: an insulating sleeve (25) is bonded in the limiting groove (23) of the guide frame (22), and the pin wire (26) is inserted in the insulating sleeve (25).

5. The high-stability patch type aluminum electrolytic capacitor according to claim 1, wherein: the top surface of the base shell (11) is vertically provided with a jack (12) in a penetrating way.

6. The high-stability patch type aluminum electrolytic capacitor according to claim 5, wherein: an inserting rod (212) is vertically fixed on the top surface of the support (21), and the inserting rod (212) vertically penetrates through and is inserted into the inserting hole (12) of the base shell (11).