CN220475749U - Filter - Google Patents

Abstract

The utility model relates to the field of filters, in particular to a power supply filter shell and a filter. Including the power filter casing, two sets of draw-in grooves have been seted up to the bottom edge symmetry of casing, the joint has the box in the casing, be provided with the fixed plate under the casing, a plurality of groups of third bleeder vents have been seted up to the bottom center department equidistant of fixed plate, the third cavity has been seted up to the one end of fixed plate, be provided with the second spring in the third cavity, the one end of second spring is installed on the inner wall of fixed plate, the second movable plate is installed to the other end of second spring two sets of fixture blocks are installed to the top edge symmetry of fixed plate, every group the equal joint of fixture block is in the draw-in groove. This embodiment has avoided consuming time when installing, dismantling and overhauling equipment and has led to work efficiency to reduce, takes out the box fast through the handle and plays labour saving and time saving's effect when having improved the convenience.

Description

Filter

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a power supply filter shell and a filter.

Background

The power filter is a filter circuit composed of a capacitor, an inductor and a resistor, and is also called as a power EMI filter or an EM I power filter, a passive bidirectional network, one end of the passive bidirectional network is a power supply, the other end of the passive bidirectional network is a load, and the principle of the power filter is that the power filter is an impedance adapting network: the greater the impedance adaptation of the input and output sides of the power filter to the power and load sides, the more effective the attenuation of electromagnetic interference.

Through searching, in the prior art, chinese patent publication No.: CN217183265U, authorized publication date: 2021-12-30 discloses a filter assembly and a filter, comprising a positive plate and a negative plate; the shell wraps the outer sides of the positive plate and the negative plate, and the shell and the positive plate and the negative plate are integrally formed. The above embodiment is simple to operate.

The device still has the following drawbacks: the embodiment does not have convenience when installing, dismantling and overhauling equipment, and the working efficiency is reduced due to the fact that working time is consumed, so that the convenience effect is reduced while time and strength are consumed.

Disclosure of Invention

The utility model provides a power filter shell, which comprises a power filter shell, wherein the bottom of the power filter shell is of an open structure, a plurality of groups of first air holes are formed in the center of the top of the shell at equal intervals, a plurality of groups of second air holes are formed in the centers of two opposite side walls of the shell at equal intervals, two groups of clamping grooves are symmetrically formed in the edge of the bottom of the shell, a box body is clamped in the shell, a fixing plate is arranged right below the shell, a plurality of groups of third air holes are formed in the center of the bottom of the fixing plate at equal intervals, and a third cavity is formed in one end of the fixing plate and is located right below the second cavity;

the second spring is arranged in the third cavity, one end of the second spring is arranged on the inner wall of the fixed plate, the second moving plate is arranged at the other end of the second spring, the second moving plate slides in the third cavity, two groups of clamping blocks are symmetrically arranged at the edge of the top of the fixed plate, and each group of clamping blocks are clamped in the clamping groove.

Further, a first cavity is formed in the top of one side wall of the shell, two groups of second cavities are symmetrically formed in one side wall, close to the first cavity, of the shell, and a group of first springs are arranged in the first cavity and the second cavity.

Further, one end of each group of the first springs is arranged on the inner wall of the shell, the other end of each group of the first springs is provided with a first moving plate, and the first moving plates slide in the first cavity and the second cavity.

Further, one end of each group of first movable plates is connected with one end of the other group of first movable plates, a rectangular plate is arranged in the shell, and the outer wall of the rectangular plate is arranged at the edge of the inner wall of the shell.

The filter comprises a box body, wherein the top of the box body is of an open structure, and a plurality of groups of mounting plates are symmetrically arranged on the inner wall of the bottom of the box body.

Further, a group of wire frames are arranged between the two groups of mounting plates, and two ends of each group of wire frames are rotationally connected to one side wall of the mounting plate.

Further, two groups of anti-slip pads are symmetrically arranged on two side walls of the box body, and a handle is arranged at the center of the bottom of the box body.

Further, two groups of support columns are symmetrically arranged at the bottom edge of the box body, and each group of support columns is of a rectangular structure.

The beneficial effects of the utility model are as follows:

1. the movable fixing plate drives the clamping block to slide in the clamping groove, and the fixing plate is far away from or clamped in the shell, so that the box body is clamped in the shell or pulled to be pulled out of the shell. The time consumption when having avoided installing, dismantling and overhaul equipment leads to work efficiency to reduce, takes out the box fast through the handle and plays labour saving and time saving's effect when having improved the convenience.

2. The first movable plate and the second movable plate are driven to move through the thrust of the object to be inserted, the first movable plate moves to enable the first spring to be extruded, the second movable plate moves to enable the second spring to be extruded, when the filter is pulled out, the first spring pushes the first movable plate, the second spring pushes the second movable plate, and the first movable plate and the second movable plate recover. The protection effect is improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic diagram of a filter housing structure according to an embodiment of the utility model;

FIG. 2 shows a schematic cross-sectional view of a filter housing according to an embodiment of the utility model;

FIG. 3 shows a schematic diagram of a box structure according to an embodiment of the utility model;

FIG. 4 shows a schematic front view of a filter housing according to an embodiment of the utility model;

fig. 5 shows a schematic diagram of a card slot structure according to an embodiment of the utility model.

In the figure: 1. a power filter housing; 101. a housing; 102. a first ventilation hole; 103. a second ventilation hole; 104. a first cavity; 105. a second cavity; 106. a first spring; 107. a first moving plate; 108. a rectangular plate; 109. a clamping groove; 2. a case; 3. a mounting plate; 4. a wire frame; 5. an anti-slip pad; 6. a handle; 7. a support column; 8. a fixing plate; 9. a third vent; 10. a third cavity; 11. a second spring; 12. a second moving plate; 13. and (5) clamping blocks.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model provides a filter, as shown in fig. 1, 2 and 4, which is exemplary, and comprises a power filter shell 1, wherein the power filter shell 1 comprises a shell 101, the bottom of the shell 101 is of an open structure, a plurality of groups of first ventilation holes 102 are formed in the center of the top of the shell 101 at equal intervals, a plurality of groups of second ventilation holes 103 are formed in the centers of two opposite side walls of the shell 101 at equal intervals, a first cavity 104 is formed in the top of one side wall of the shell 101, two groups of second cavities 105 are symmetrically formed in one side wall, close to the first cavity 104, of the shell 101, a group of first springs 106 are respectively arranged in the first cavity 104 and the second cavity 105, one end of each group of first springs 106 is respectively arranged on the inner wall of the shell 101, a first moving plate 107 is respectively arranged at the other end of each group of first springs 106, the first moving plate 107 slides in the first cavity 104 and the second cavity 105, one end of each group of first moving plates 107 is respectively connected with the other group of first moving plates 108, rectangular plates 108 are respectively arranged at the bottom of the shell 101, and the two rectangular plates 108 are respectively arranged at the bottom of the shell 101.

The embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, the clamping connection has a box 2 in the casing 101, the top of box 2 is open structure, a plurality of groups of mounting panels 3 are symmetrically arranged on the bottom inner wall of box 2, two groups of mounting panels 3 are provided with a group of wire frames 4 between, each group of wire frames 4 both ends are all rotationally connected on a lateral wall of mounting panel 3, two groups of anti-slip pads 5 are symmetrically arranged on both lateral walls of box 2, the handle 6 is arranged at the bottom center of box 2, two groups of support columns 7 are symmetrically arranged at the bottom edge of box 2, the fixed plate 8 is arranged under the casing 101, a plurality of groups of third air holes 9 are uniformly arranged at the bottom center of fixed plate 8, a third cavity 10 is arranged at one end of fixed plate 8, the third cavity 10 is located under the second cavity 105, a second spring 11 is arranged in the third cavity 10, one end of the second spring 11 is arranged on the inner wall of the fixed plate 8, two groups of springs 11 are symmetrically arranged at the second clamping groove 12 in the second clamping plate 12, and each group of moving clamping blocks 13 is arranged at the other end of the second clamping groove 13.

Working principle: the clamping block 13 is driven to slide in the clamping groove 109 by moving the fixing plate 8, the fixing plate 8 is far away from or is clamped in the shell 101, the box body 2 is clamped in the shell 101 or the box body 2 is pulled out of the shell 101 by pulling the handle 6, and then the fixing plate 8 is restored by moving and clamping the clamping block 13 into the clamping groove 109.

When the filter is inserted, the first moving plate 107 and the second moving plate 12 are driven to move by the thrust of an object to be inserted, the first moving plate 107 moves to enable the first spring 106 to be extruded, the second moving plate 12 moves to enable the second spring 11 to be extruded, when the filter is pulled out, the first spring 106 pushes the first moving plate 107, the second spring 11 pushes the second moving plate 12, and the first moving plate 107 and the second moving plate 12 are restored.

The beneficial effects are that: the moving fixing plate 8 drives the clamping block 13 to slide in the clamping groove 109, the fixing plate 8 is far away from or clamped in the shell 101, the box body 2 is clamped in the shell 101 or the handle 6 is pulled to draw the box body 2 out of the shell 101. The time consumption when having avoided installing, dismantling and overhaul equipment leads to work efficiency to reduce, takes out the box fast through the handle and plays labour saving and time saving's effect when having improved the convenience.

The first moving plate 107 and the second moving plate 12 are driven to move by the pushing force of the object to be inserted, the first moving plate 107 moves to enable the first spring 106 to be extruded, the second moving plate 12 moves to enable the second spring 11 to be extruded, when the filter is pulled out, the first spring 106 pushes the first moving plate 107, the second spring 11 pushes the second moving plate 12, and the first moving plate 107 and the second moving plate 12 are restored. The protection effect is improved.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (4)

1. A filter, characterized by: including power filter casing (1), power filter casing (1) includes casing (101), a plurality of first bleeder vent (102) of group have been seted up to equidistant department in top center of casing (101), a plurality of second bleeder vent (103) of group have been seted up to equidistant department in both sides wall center that casing (101) are relative, two sets of draw-in grooves (109) have been seted up to the bottom edge symmetry of casing (101), be provided with fixed plate (8) under casing (101), a plurality of third bleeder vent (9) of group have been seted up to equidistant department in the bottom center of fixed plate (8), third cavity (10) have been seted up to the one end of fixed plate (8), be provided with second spring (11) in third cavity (10), the one end of second spring (11) is installed on the inner wall of fixed plate (8), second movable plate (12) are installed to the other end of second spring (11), second movable plate (12) slide in third cavity (10), the top edge of fixed plate (8) is provided with fixed plate (8) a plurality of third bleeder vent (9) have been seted up to equidistant department in bottom center of fixed plate (10), one side wall (104) have been seted up on the first cavity (101) of symmetry, a group of first springs (106) are arranged in the first cavity (104) and the second cavity (105), one end of each group of first springs (106) is arranged on the inner wall of the shell (101), a first movable plate (107) is arranged at the other end of each group of first springs (106), the first movable plates (107) slide in the first cavity (104) and the second cavity (105), a box body (2) is clamped in the shell (101), the top of the box body (2) is of an open structure, and a plurality of groups of mounting plates (3) are symmetrically arranged on the inner wall of the bottom of the box body (2).

2. A filter according to claim 1, characterized in that: a group of wire frames (4) are arranged between the two groups of mounting plates (3), and two ends of each group of wire frames (4) are rotationally connected to one side wall of each mounting plate (3).

3. A filter according to claim 2, characterized in that: two groups of anti-slip pads (5) are symmetrically arranged on two side walls of the box body (2), and a handle (6) is arranged at the center of the bottom of the box body (2).

4. A filter according to claim 3, characterized in that: two groups of support columns (7) are symmetrically arranged at the bottom edge of the box body (2), and each group of support columns (7) is of a rectangular structure _。