CN216649637U

CN216649637U - Dual-redundancy paster direct-current power supply filter

Info

Publication number: CN216649637U
Application number: CN202123379588.0U
Authority: CN
Inventors: 褚光; 孙大顺
Original assignee: Jiangsu Senfu Electromagnetic Environment Technology Co ltd
Current assignee: Jiangsu Senfu Electromagnetic Environment Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a dual-redundancy paster direct-current power supply filter, and relates to the technical field of filters. This two remaining paster direct current power supply filter includes wave filter body and fixing base, the equal fixedly connected with limiting plate in wave filter body bottom both sides, the fixing base top is provided with the backing plate, backing plate bottom fixedly connected with depression bar, the depression bar run through the fixing base top and with fixing base sliding connection, depression bar outside cover is equipped with the sleeve pipe, the inside fixedly connected with buffer spring of sleeve pipe, the equal fixedly connected with horizontal pole in sleeve pipe both sides, horizontal pole one end articulates there is the connecting rod, the inside top fixedly connected with bracing piece of fixing base, the bracing piece bottom articulates there is the ejector pin, the horizontal pole is articulated with ejector pin one end. This dual-redundancy paster DC power supply filter is favorable to making the limiting plate carry on spacingly to the wave filter body to be convenient for fix, improve fixed effect.

Description

Dual-redundancy paster direct-current power supply filter

Technical Field

The utility model relates to a filter, in particular to a dual-redundancy patch direct-current power supply filter, and belongs to the technical field of filters.

Background

The power filter is an electrical device that effectively filters a frequency point of a specific frequency or frequencies other than the frequency point in a power line. The power supply filter is used for low-pass filtering of a power supply port of electronic equipment and generally has two functions of attenuating differential mode disturbance. The differential mode attenuation performance is determined by the transmission characteristics of the filter, and is usually easier to achieve if properly selected; and the common mode attenuation performance is related to the installation mode of the filter and the mode of accessing the equipment. The power filter is widely applied to the relay protection control equipment of the transformer substation, but has the problems that the efficiency is influenced by improper configuration selection and installation, the power module is easy to damage and the service life is short

In the prior art, it is necessary to ensure the correctness of the power filter in the installation mode, and in order to ensure the reliable electrical connection between the filter and the metal shielding case, the filter is installed by fixing the filter housing on the metal shielding case by screws or welding, but the installation structure causes the filter to be very inconvenient to replace and disassemble, and the installation firmness is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The present invention aims to solve the above problems, and an object of the present invention is to provide a dual-redundancy patch dc power filter, so as to solve the problems that the filter is mounted by fixing the filter housing to the metal screen cover by screws or welding, but the filter is very inconvenient to replace and dismount due to the mounting structure, and the mounting firmness is low in the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: two redundancy paster direct current power supply filter, including wave filter body and fixing base, the equal fixedly connected with limiting plate in wave filter body bottom both sides, the fixing base top is provided with the backing plate, backing plate bottom fixedly connected with depression bar, the depression bar run through the fixing base top and with fixing base sliding connection, depression bar outside cover is equipped with the sleeve pipe, the inside fixedly connected with buffer spring of sleeve pipe, the equal fixedly connected with horizontal pole in sleeve pipe both sides, horizontal pole one end articulates there is the connecting rod, the inside top fixedly connected with bracing piece of fixing base, the bracing piece bottom articulates there is the ejector pin, the horizontal pole is articulated with ejector pin one end.

Preferably, two the limiting plate all runs through the fixing base top and with fixing base sliding connection, two the inside draw-in groove of all having seted up of limiting plate makes the limiting plate pass the fixing base and fixes a position the wave filter body, prevents wave filter body fixed position skew.

Preferably, the inside equal fixedly connected with fixed block in both sides of fixing base, the inside supporting spring that is provided with of fixed block, the inside sliding connection of fixed block has the joint pole, supporting spring one end contacts with the joint pole, joint pole and draw-in groove looks adaptation.

Preferably, the inside threaded rod that is connected with that rotates of fixed block, threaded rod and joint pole threaded connection, joint pole bottom fixedly connected with fixture block, ejector pin one end top fixedly connected with locating piece, fixture block and the mutual joint of locating piece drive the fixture block when making the joint pole remove, and it is spacing to carry out the joint to the fixture block when ejector pin drives the locating piece and removes to spacing the joint pole.

Preferably, a plurality of spacing springs of horizontal pole bottom fixedly connected with, it is a plurality of spacing spring bottom all with the inside bottom fixed connection of fixing base, be favorable to supporting the horizontal pole to make the horizontal pole drive the backing plate and shift up.

Preferably, the inside slider that is provided with of fixing base, horizontal pole bottom fixedly connected with sloping block, the slider extrudees the sloping block when making the slider remove with sloping block looks adaptation to make the horizontal pole shift up.

Preferably, slider one side fixedly connected with pull rod, the pull rod runs through the fixing base antetheca and with fixing base sliding connection, the pull rod extends to fixing base outside one end fixedly connected with and pushes away the button, promotes to push away the button and drives the pull rod removal, and the pull rod drives the slider removal.

The utility model provides a dual-redundancy patch direct-current power supply filter, which has the following beneficial effects:

1. this dual-redundancy paster direct current power supply filter, it descends to drive the limiting plate through the filter body, it rotates to rotate the knob and drives the threaded rod, drive the joint pole when the threaded rod rotates and remove, the joint pole is to the inside shrink of fixed block, thereby extrude supporting spring, the limiting plate descends and removes joint pole one side, when fixing base and this body laminating of filter, the reversal knob drives the threaded rod and rotates, the threaded rod will drive the joint pole and remove, thereby make the joint pole shift out the fixed block when inside, carry out spacing fixed to the limiting plate, be favorable to making the limiting plate carry on spacingly to the filter body, thereby be convenient for fixed, improve fixed effect.

2. This two redundancy paster direct current power supply filter makes the horizontal pole descend through spacing spring and buffer spring, horizontal pole one end articulates there is the connecting rod, the inside top fixedly connected with bracing piece of fixing base, the bracing piece bottom articulates there is the ejector pin, the horizontal pole is articulated with ejector pin one end, and the horizontal pole drives the connecting rod and descends, and the connecting rod promotes the ejector pin and deflects to make the ejector pin be close to joint pole one end and rise, make locating piece and fixture block carry out the joint, thereby prevent that the fixture block from moving back, prevent that the mistake from touching and lead to becoming flexible.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the clamping rod of the present invention.

In the figure: 1. a filter body; 2. a fixed seat; 3. a base plate; 4. a pressure lever; 5. a sleeve; 6. a buffer spring; 7. a cross bar; 9. a support bar; 10. a connecting rod; 11. a top rod; 12. a fixed block; 13. a limiting plate; 14. a threaded rod; 15. a clamping and connecting rod; 16. a support spring; 17. a clamping block; 18. positioning blocks; 19. a limiting spring; 20. a slider; 21. a sloping block; 22. a pull rod.

Detailed Description

The embodiment of the utility model provides a dual-redundancy patch direct-current power supply filter.

Referring to fig. 1, 2, 3 and 4, the filter comprises a filter body 1 and a fixing seat 2, wherein both sides of the bottom of the filter body 1 are fixedly connected with a limiting plate 13, both sides of the inside of the fixing seat 2 are fixedly connected with a fixing block 12, a supporting spring 16 is arranged inside the fixing block 12, a clamping rod 15 is slidably connected inside the fixing block 12, one end of the supporting spring 16 is in contact with the clamping rod 15, the clamping rod 15 is matched with a clamping groove, a threaded rod 14 is rotatably connected inside the fixing block 12, the threaded rod 14 is in threaded connection with the clamping rod 15, the threaded rod 14 penetrates through the side wall of the fixing seat 2 and is rotatably connected with the fixing seat 2, one end of the threaded rod 14 extending to the outside of the fixing seat 2 is fixedly connected with a knob, the bottom of the clamping rod 15 is fixedly connected with a clamping block 17, the top of one end of the ejector rod 11 is fixedly connected with a positioning block 18, the clamping block 17 is mutually clamped with the positioning block 18, and the knob is rotated to drive the threaded rod 14 to rotate, the threaded rod 14 drives the catch rod 15 to move, so that the catch rod 15 limits the limit plate 13.

It is specific, descend through wave filter body 1 and drive limiting plate 13 and descend, it drives threaded rod 14 to rotate the knob, threaded rod 14 drives joint pole 15 when rotating and removes, joint pole 15 is to the inside shrink of fixed block 12, thereby extrude supporting spring 16, limiting plate 13 descends and removes 15 one sides of joint pole, when fixing base 2 and wave filter body 1 laminating, the reversal knob drives threaded rod 14 and rotates, threaded rod 14 will drive joint pole 15 and remove, thereby make joint pole 15 shift out when fixed block 12 is inside, carry out spacing fixed to limiting plate 13, thereby make limiting plate 13 spacing wave filter body 1, thereby be convenient for fix.

Referring to fig. 1, 2, 3 and 4 again, a backing plate 3 is arranged on the top of a fixed seat 2, a pressure rod 4 is fixedly connected to the bottom of the backing plate 3, the pressure rod 4 penetrates through the top of the fixed seat 2 and is slidably connected with the fixed seat 2, a sleeve 5 is sleeved on the outer side of the pressure rod 4, a buffer spring 6 is fixedly connected to the inner side of the sleeve 5, a cross rod 7 is fixedly connected to both sides of the sleeve 5, a connecting rod 10 is hinged to one end of the cross rod 7, a supporting rod 9 is fixedly connected to the inner top of the fixed seat 2, a top rod 11 is hinged to the bottom end of the supporting rod 9, the cross rod 7 is hinged to one end of the top rod 11, the backing plate 3 is arranged on the top of the fixed seat 2, the pressure rod 4 penetrates through the top of the fixed seat 2 and is slidably connected with the fixed seat 2, the sleeve 5 is sleeved on the outer side of the pressure rod 4, the buffer spring 6 is fixedly connected to the inner side of the sleeve 5, the cross rod 7 is hinged to one end of the cross rod 10, the inside top fixedly connected with bracing piece 9 of fixing base 2, the articulated ejector pin 11 that has in bracing piece 9 bottom, horizontal pole 7 is articulated with 11 one end of ejector pin.

7 bottom fixedly connected with of horizontal pole a plurality of spacing springs 19, a plurality of spacing springs 19 bottom all with the inside bottom fixed connection of fixing base 2, be favorable to supporting horizontal pole 7, thereby make horizontal pole 7 drive backing plate 3 and move up, 2 inside sliders 20 that are provided with of fixing base, 7 bottom fixedly connected with sloping block 21 of horizontal pole, slider 20 extrudees sloping block 21 when making slider 20 remove with sloping block 21 looks adaptation, thereby make horizontal pole 7 shift up, 20 one side fixedly connected with pull rod 22 of slider, pull rod 22 runs through 2 antethecas of fixing base and 2 sliding connection with the fixing base, pull rod 22 extends to 2 outside one end fixedly connected with of fixing base and pushes away the button, the promotion pushes away the button and drives pull rod 22 and remove, pull rod 22 drives slider 20 and removes.

Specifically, when the filter body 1 is attached to the backing plate 3, the pressing rod 4 is pressed downwards, so that the pressing rod 4 extrudes the buffer spring 6, the pushing button is pulled to drive the pulling rod 22 to move, the pulling rod 22 drives the sliding block 20 to move, the sliding block 20 moves to separate the sliding block 20 from the sloping block 21, the bottom of the cross rod 7 is fixedly connected with a plurality of limiting springs 19, the bottom ends of the limiting springs 19 are fixedly connected with the bottom end inside the fixing seat 2, so as to be beneficial to supporting the cross rod 7, the cross rod 7 is descended by the limiting springs 19 and the buffer spring 6, one end of the cross rod 7 is hinged with the connecting rod 10, the top end inside the fixing seat 2 is fixedly connected with the supporting rod 9, the bottom end of the supporting rod 9 is hinged with the ejector rod 11, the cross rod 7 is hinged with one end of the ejector rod 11, the cross rod 7 drives the connecting rod 10 to descend, the connecting rod 10 pushes the ejector rod 11 to deflect, so that the end of the ejector rod 11 is close to one end of the clamping rod 15 to ascend, so that the positioning block 18 is clamped with the clamping block 17, thereby preventing the latch 17 from moving back and preventing the latch from being mistakenly touched to cause looseness.

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. Two redundancy paster DC power supply wave filters, including wave filter body (1) and fixing base (2), its characterized in that: wave filter body (1) bottom both sides equal fixedly connected with limiting plate (13), fixing base (2) top is provided with backing plate (3), backing plate (3) bottom fixedly connected with depression bar (4), depression bar (4) run through fixing base (2) top and with fixing base (2) sliding connection, depression bar (4) outside cover is equipped with sleeve pipe (5), the inside fixedly connected with buffer spring (6) of sleeve pipe (5), the equal fixedly connected with horizontal pole (7) in sleeve pipe (5) both sides, horizontal pole (7) one end articulates there is connecting rod (10), the inside top fixedly connected with bracing piece (9) of fixing base (2), bracing piece (9) bottom articulates there is ejector pin (11), horizontal pole (7) are articulated with ejector pin (11) one end.

2. The dual-redundancy patch dc power filter of claim 1, wherein: two limiting plate (13) all run through fixing base (2) top and with fixing base (2) sliding connection, two the draw-in groove has all been seted up to limiting plate (13) inside.

3. The dual-redundancy patch dc power filter of claim 1, wherein: the fixing base is characterized in that fixing blocks (12) are fixedly connected to two inner sides of the fixing base (2), supporting springs (16) are arranged inside the fixing blocks (12), clamping rods (15) are slidably connected to the inside of the fixing blocks (12), one ends of the supporting springs (16) are in contact with the clamping rods (15), and the clamping rods (15) are matched with the clamping grooves.

4. The dual-redundancy patch dc power filter of claim 3, wherein: fixed block (12) internal rotation is connected with threaded rod (14), threaded rod (14) and joint pole (15) threaded connection, threaded rod (14) run through fixing base (2) lateral wall and rotate with fixing base (2) and be connected, threaded rod (14) extend to fixing base (2) outside one end fixedly connected with knob, joint pole (15) bottom fixedly connected with fixture block (17), ejector pin (11) one end top fixedly connected with locating piece (18), fixture block (17) and locating piece (18) joint each other.

5. The dual-redundancy patch dc power filter of claim 1, wherein: horizontal pole (7) bottom fixedly connected with a plurality of spacing springs (19), it is a plurality of spacing spring (19) bottom all with the inside bottom fixed connection of fixing base (2).

6. The dual-redundancy patch dc power filter of claim 1, wherein: the fixing seat (2) is internally provided with a sliding block (20), the bottom of the cross rod (7) is fixedly connected with an inclined block (21), and the sliding block (20) is matched with the inclined block (21).

7. The dual-redundancy patch dc power filter of claim 6, wherein: slider (20) one side fixedly connected with pull rod (22), pull rod (22) run through fixing base (2) antetheca and with fixing base (2) sliding connection, pull rod (22) extend to fixing base (2) outside one end fixedly connected with and push away the button.