CN216528437U

CN216528437U - Threaded feedthrough capacitor

Info

Publication number: CN216528437U
Application number: CN202122590733.3U
Authority: CN
Inventors: 朱必华
Original assignee: Fujian Jingporcelain Electronic Technology Co ltd
Current assignee: Fujian Jingporcelain Electronic Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-13
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to the technical field of feedthrough capacitors, in particular to a threaded feedthrough capacitor, which comprises a capacitor shell, wherein the top of the capacitor shell is provided with a clamping groove, the inner wall of the clamping groove is clamped with a clamping block, one side of the clamping block is fixedly connected with a contact pin, one side of the clamping block is provided with a positioning hole, and the top of the capacitor shell is provided with a sliding groove. The utility model has the advantages that: through the cooperation setting of fixture block, draw-in groove, reference column, locating hole, shifting ring, connecting rod, first threaded rod, screw hole and second threaded rod, it is right to make the installation work of contact pin is comparatively simple and convenient, and is also convenient with on the same principle the contact pin is taken off, and is convenient with contact pin and electric capacity shell separation for this screw thread punching electric capacity's contact pin and shell no longer are the welded mode, work as only need change when the contact pin damages the contact pin can to need not to change whole punching electric capacity structure, and then reached the effect of practicing thrift cost of maintenance.

Description

Threaded feedthrough capacitor

Technical Field

The utility model relates to the technical field of feedthrough capacitors, in particular to a threaded feedthrough capacitor.

Background

The feedthrough capacitor is a three-terminal capacitor, but compared with a common three-terminal capacitor, as the feedthrough capacitor is directly arranged on a metal panel, the grounding inductor of the feedthrough capacitor is smaller, and the influence of lead wire inductance is hardly caused.

But its contact pin of present screw thread punching electric capacity is generally the welded mode when connecting with the shell, and is inconvenient to separate contact pin and shell, need change whole screw thread punching electric capacity structure when the contact pin damages, has increased the cost of maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a threaded feedthrough capacitor and effectively solves the defects in the prior art.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a screw thread punching electric capacity, includes the electric capacity shell, the draw-in groove has been seted up at the top of electric capacity shell, the inner wall joint of draw-in groove has the fixture block, one side fixedly connected with contact pin of fixture block, the locating hole has been seted up to one side of fixture block, the spout has been seted up at the top of electric capacity shell, the inner wall sliding connection of spout has the movable plate, one side fixedly connected with reference column of movable plate, the first articulated seat of top fixedly connected with of movable plate, one side of first articulated seat articulates there is the connecting rod, the one end that first articulated seat was kept away from to the connecting rod articulates there is the articulated seat of second, one side fixedly connected with shifting ring of the articulated seat of second, the inner wall sliding connection of shifting ring has the protecting crust, threaded hole has been seted up to one side of protecting crust, one side threaded connection of shifting ring has first threaded rod.

Optionally, the bottom fixedly connected with mounting panel of electric capacity shell, the perforation has been seted up to one side of mounting panel, one side threaded connection of mounting panel has the second threaded rod, the one end fixedly connected with protection piece of second threaded rod.

Optionally, a guide groove is formed in the inner wall of the sliding groove, a guide block is connected to the inner wall of the guide groove in a sliding mode, the guide block is fixedly connected with the moving plate, and the moving plate can be prevented from being separated from the sliding groove through the guide block and the guide groove, so that the moving plate can only move linearly along the direction of the guide groove.

Optionally, the mounting panel is kept away from fenestrate one side and has been seted up the seal groove, the inner wall of seal groove is provided with the sealing ring, the seal groove is linked together with the perforation, through sealing ring and seal groove can avoid external factors such as dust to enter into the inside of capacitor case from perforation and seal groove, have avoided external factors such as dust to the influence of this screw thread punching electric capacity.

Optionally, the clamping groove is matched with the clamping block in size, the clamping groove is communicated with the sliding groove, the movable plate is matched with the sliding groove in size, and the positioning column is matched with the positioning hole in size, so that the positioning column can be smoothly inserted into the positioning hole, and the position of the clamping block is not moved any more.

Optionally, the bottom of protective housing and the top fixed connection of electric capacity shell, the internal dimension of protective housing is greater than the size of fixture block, the pitch looks adaptation of first threaded rod and screw hole.

Optionally, the diameters of the through hole and the sealing groove are both larger than the diameter of the contact pin, and one end of the second threaded rod is located inside the through hole.

The utility model has the following advantages:

1. the threaded feedthrough capacitor is characterized in that the fixture block is clamped inside the fixture block to perform primary positioning on the contact pin when the contact pin is installed through the matching arrangement of the fixture block, the clamp groove, the positioning column, the positioning hole, the moving ring, the connecting rod, the first threaded rod, the threaded hole and the second threaded rod, the positioning hole corresponds to the positioning column, the moving ring is moved to move upwards, the connecting rod drives the moving plate to move towards the fixture block along with the movement of the moving ring, the positioning column can be inserted into the positioning hole to fix the fixture block, after the positioning column is inserted into the positioning hole, the first threaded rod corresponds to the threaded hole, the first threaded rod is rotated to be connected with the threaded hole to fix the moving ring, make the shift ring no longer removes, then rotates the second threaded rod makes protection piece and contact pin laminating mutually, right the bottom of contact pin has been fixed, thereby has accomplished the installation work of contact pin, right the installation work of contact pin is comparatively simple and convenient, and the same reason also conveniently will the contact pin is taken off, and is convenient general contact pin and electric capacity shell separation for this screw thread feedthrough electric capacity's contact pin and shell no longer are the welded mode, work as only need change when the contact pin damages the contact pin can to need not to change whole feedthrough electric capacity structure, and then reached the effect of practicing thrift cost of maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the protective shell and the connecting member thereof

FIG. 3 is a schematic top view of a capacitor housing according to the present invention;

FIG. 4 is a schematic structural diagram of a fixture block according to the present invention;

FIG. 5 is a schematic cross-sectional view of the top of the capacitor case and the connecting member thereof according to the present invention;

FIG. 6 is a cross-sectional view of the mounting plate and its connecting member according to the present invention.

In the figure: 1-capacitor shell, 2-clamping groove, 3-clamping block, 4-pin, 5-positioning hole, 6-sliding groove, 7-moving plate, 8-positioning column, 9-first hinging seat, 10-connecting rod, 11-second hinging seat, 12-moving ring, 13-protective shell, 14-threaded hole, 15-first threaded rod, 16-mounting plate, 17-perforation, 18-second threaded rod, 19-protective block, 20-guide groove, 21-guide block, 22-sealing groove and 23-sealing ring.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1-6, a threaded feedthrough capacitor comprises a capacitor housing 1, a clamping groove 2 is formed at the top of the capacitor housing 1, a clamping block 3 is clamped on the inner wall of the clamping groove 2, one side of the clamping block 3 is fixedly connected with a contact pin 4, one side of the clamping block 3 is provided with a positioning hole 5, a sliding groove 6 is formed at the top of the capacitor housing 1, the inner wall of the sliding groove 6 is slidably connected with a movable plate 7, one side of the movable plate 7 is fixedly connected with a positioning column 8, the top of the movable plate 7 is fixedly connected with a first hinged seat 9, one side of the first hinged seat 9 is hinged with a connecting rod 10, one end of the connecting rod 10 away from the first hinged seat 9 is hinged with a second hinged seat 11, one side of the second hinged seat 11 is fixedly connected with a movable ring 12, the inner wall of the movable ring 12 is slidably connected with a protective shell 13, one side of the protective shell 13 is provided with a threaded hole 14, and one side of the movable ring 12 is threadedly connected with a first threaded rod 15.

As an optional technical scheme of the utility model: the bottom fixedly connected with mounting panel 16 of electric capacity shell 1, perforation 17 has been seted up to one side of mounting panel 16, and one side threaded connection of mounting panel 16 has second threaded rod 18, and the one end fixedly connected with of second threaded rod 18 protects piece 19.

As an optional technical scheme of the utility model: the inner wall of the sliding groove 6 is provided with a guide groove 20, the inner wall of the guide groove 20 is connected with a guide block 21 in a sliding manner, the guide block 21 is fixedly connected with the moving plate 7, the moving plate 7 can be prevented from being separated from the sliding groove 6 through the guide block 21 and the guide groove 20, and the moving plate 7 can only move linearly along the direction of the guide groove 20.

As an optional technical scheme of the utility model: the mounting plate 16 is kept away from perforation 17 one side and has been seted up seal groove 22, and the inner wall of seal groove 22 is provided with sealing ring 23, and seal groove 22 is linked together with perforation 17, can avoid external factors such as dust to enter into the inside of capacitor case 1 from perforation 17 and seal groove 22 through sealing ring 23 and seal groove 22, has avoided external factors such as dust to the influence of this screw thread punching electric capacity.

As an optional technical scheme of the utility model: draw-in groove 2 and fixture block 3's big or small looks adaptation, draw-in groove 2 is linked together with spout 6, the big or small looks adaptation of movable plate 7 and spout 6, the big or small looks adaptation of reference column 8 and locating hole 5 to can make the inside of the more smooth intussuseption locating hole 5 of reference column 8, thereby no longer remove the position of fixture block 3.

As an optional technical scheme of the utility model: the bottom of protective housing 13 and the top fixed connection of electric capacity shell 1, the internal dimension of protective housing 13 is greater than the size of fixture block 3, the screw pitch looks adaptation of first threaded rod 15 and screw hole 14.

As an optional technical scheme of the utility model: the diameter of the through hole 17 and the sealing groove 22 are both larger than the diameter of the pin 4, and one end of the second threaded rod 18 is positioned inside the through hole 17.

The working process of the utility model is as follows:

when installing contact pin 4, at first with the inside of fixture block 3 chucking draw-in groove 4, this moment locating hole 5 is corresponding with the position of reference column 8, then remove shift ring 12 and make its rebound, along with the removal of shift ring 12, connecting rod 10 will drive movable plate 7 and remove to the direction of fixture block 3, and then can make reference column 8 inject the inside of locating hole 5, after locating column 8 injects the inside of locating hole 5, first threaded rod 15 is corresponding with the position of screw hole 14 this moment, rotatory first threaded rod 15 makes it be connected with screw hole 14, thereby fixed shift ring 12, then rotatory second threaded rod 18 makes protective block 19 laminate with contact pin 4, fix the bottom of contact pin 4, thereby accomplished the installation work of contact pin 4.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A threaded feedthrough capacitor, comprising: the capacitor comprises a capacitor shell (1), wherein a clamping groove (2) is formed in the top of the capacitor shell (1), a clamping block (3) is clamped on the inner wall of the clamping groove (2), one side of the clamping block (3) is fixedly connected with a contact pin (4), one side of the clamping block (3) is provided with a positioning hole (5), the top of the capacitor shell (1) is provided with a sliding groove (6), the inner wall of the sliding groove (6) is connected with a movable plate (7) in a sliding manner, one side of the movable plate (7) is fixedly connected with a positioning column (8), the top of the movable plate (7) is fixedly connected with a first hinging seat (9), one side of the first hinging seat (9) is hinged with a connecting rod (10), one end, far away from the first hinging seat (9), of the connecting rod (10) is hinged with a second hinging seat (11), one side of the second hinging seat (11) is fixedly connected with a moving ring (12), the inner wall sliding connection of removal ring (12) has protecting crust (13), threaded hole (14) are seted up to one side of protecting crust (13), one side threaded connection of removal ring (12) has first threaded rod (15).

2. A threaded feedthrough capacitor of claim 1, wherein: the bottom fixedly connected with mounting panel (16) of electric capacity shell (1), perforation (17) have been seted up to one side of mounting panel (16), one side threaded connection of mounting panel (16) has second threaded rod (18), the one end fixedly connected with protection piece (19) of second threaded rod (18).

3. A threaded feedthrough capacitor of claim 1, wherein: guide way (20) have been seted up to the inner wall of spout (6), the inner wall sliding connection of guide way (20) has guide block (21), guide block (21) and movable plate (7) fixed connection.

4. A threaded feedthrough capacitor of claim 2, wherein: seal groove (22) have been seted up to one side that perforation (17) were kept away from in mounting panel (16), the inner wall of seal groove (22) is provided with sealing ring (23), seal groove (22) are linked together with perforation (17).

5. A threaded feedthrough capacitor of claim 1, wherein: the clamping groove (2) is matched with the clamping block (3) in size, the clamping groove (2) is communicated with the sliding groove (6), the moving plate (7) is matched with the sliding groove (6) in size, and the positioning column (8) is matched with the positioning hole (5) in size.

6. A threaded feedthrough capacitor of claim 1, wherein: the bottom of protecting crust (13) and the top fixed connection of electric capacity shell (1), the internal dimension of protecting crust (13) is greater than the size of fixture block (3), the pitch looks adaptation of first threaded rod (15) and screw hole (14).

7. A threaded feedthrough capacitor of claim 2, wherein: the diameters of the through hole (17) and the sealing groove (22) are larger than the diameter of the inserting pin (4), and one end of the second threaded rod (18) is located inside the through hole (17).