CN210405238U

CN210405238U - Filter shell

Info

Publication number: CN210405238U
Application number: CN201921258519.4U
Authority: CN
Inventors: 张德明; 尤红光; 邵黎江
Original assignee: Shenzhen Wilda Electronics Co ltd
Current assignee: Shenzhen Wilda Electronics Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-24
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a filter shell, including last casing and lower casing, it is provided with the elasticity abaculus to go up casing bottom corner, the caulking groove has been seted up to casing upper surface corner down, the elasticity abaculus block is in the caulking groove, it is provided with the mounting panel to go up the casing outer wall, the casing outer wall is provided with down the mounting panel down, go up mounting panel and lower mounting panel laminating, and go up through the bolt fastening between mounting panel and the lower mounting panel, it is provided with the scute to go up the shells inner wall corner, the counterpoint hole has been seted up on the scute, the casing upper surface is provided with the counterpoint axle down, the counterpoint axle is pegged graft in the counterpoint hole, go up the casing outer wall and seted up a plurality of heat dissipation net mouth, the both ends lateral wall central line department of going up the casing has. The utility model is suitable for a wave filter, this wave filter shell adopt split type structure, inside electronic component's easy maintenance, and the device's anti ability of falling is strong.

Description

Filter shell

Technical Field

The utility model belongs to the technical field of the wave filter, specifically be a wave filter shell.

Background

The power filter is a filter circuit consisting of a capacitor, an inductor and a resistor, and can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency;

the most integral type structures that adopt of current wave filter shell, wave filter internal element are difficult to maintain when damaging, and current wave filter shell is when receiving external force striking, and its inside electronic component fragile, and current wave filter shell can not be fixed to the wave filter inlet wire and be qualified for the next round of competitions simultaneously, leads to its phenomenon that easily appears droing when receiving the pulling force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the background art, provide a filter housing.

The utility model adopts the technical scheme as follows:

a filter shell comprises an upper shell and a lower shell, wherein an elastic embedded block is arranged at the corner of the bottom of the upper shell, an embedded groove is arranged at the corner of the upper surface of the lower shell, the elastic embedded block is clamped in the embedded groove, the outer wall of the upper shell is provided with an upper mounting plate, the outer wall of the lower shell is provided with a lower mounting plate, the upper mounting plate is jointed with the lower mounting plate, the upper mounting plate and the lower mounting plate are fixed by bolts, corner plates are arranged at the corners of the inner wall of the upper shell, the angle plate is provided with a contraposition hole, the upper surface of the lower shell is provided with a contraposition shaft, the contraposition shaft is inserted in the contraposition hole, the outer wall of the upper shell is provided with a plurality of radiating net openings, the central lines of the side walls of the two ends of the upper shell are provided with threading openings, the threading openings are of a middle-character-shaped structure, and the two ends of the threading openings are provided with sawtooth grooves.

The inner part of the upper shell is provided with a top pressure plate, two ends of the top pressure plate are connected with the inner wall of the upper shell through limiting movable rods, and one side of the top pressure plate is connected with the inner wall of the upper shell through a spring.

The two top pressure plates are arranged, and are symmetrical to each other about the vertical center line of the upper shell.

The surface of the top pressure plate is provided with a plurality of elastic gaskets, and the top pressure plate is also provided with a plurality of breathable net openings.

The limiting movable rod consists of two rod pieces which are sleeved with each other, and one of the rod pieces can movably stretch in the other rod piece.

The elastic insert block is of an L-shaped structure, a plurality of grooves are formed in the surface of the elastic insert block, a plurality of convex particles are arranged on the inner wall of the insert groove, the convex particles are embedded in the grooves, and the elastic insert block is provided with four or four elastic insert blocks which are symmetrical to each other.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, this filter housing mainly comprises two parts, be last casing and lower casing respectively, wherein go up the casing and can dismantle with lower casing, such structure sets up and makes this filter housing internal component dismantle when damaging appears conveniently, be convenient for maintain, and it is provided with the scute to go up shells inner wall corner, the counterpoint hole has been seted up on the scute, the casing upper surface is provided with the counterpoint axle down, the counterpoint axle is pegged graft in the counterpoint hole, such structure setting makes go up casing and lower casing when carrying out aggregate erection, it is more convenient to counterpoint, be difficult for appearing the skew in the position.

2. The utility model discloses in, style of calligraphy structure in this filter shell's threading mouth adopts, and the both ends of threading mouth are provided with the sawtooth groove, and such structure setting is when making carry out the threading through this threading mouth, and the wire is bigger with the joint strength of threading mouth, is difficult for droing.

3. The utility model discloses in, go up the inside roof pressure board that is provided with of casing, the both ends of roof pressure board are passed through spacing movable rod and are connected with last shells inner wall, and roof pressure board one side still through spring and last shells inner wall connection, make the device when receiving the striking through the effect of spring, the spring can cushion the impact force, protects the electronic component of filter shell inside simultaneously, prevents that it from damaging to make this filter shell's anti ability of falling stronger.

4. The utility model discloses in, it is provided with the elasticity abaculus to go up casing bottom corner, the caulking groove has been seted up to casing upper surface corner down, elasticity abaculus block is in the caulking groove, the elasticity abaculus adopts L type structure, a plurality of recess has been seted up on the elasticity abaculus surface, the caulking groove inner wall is provided with a plurality ofly and protruding grain, and protruding grain inlays in the recess, it is tighter to make to go up casing and be connected between the casing down through the mutual counterpoint of elasticity abaculus and caulking groove, simultaneously through the effect of protruding grain and recess, make the elasticity abaculus inlay establish be difficult for droing when the caulking groove is inside, the joint strength between casing and the lower casing has further been strengthened.

Drawings

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

fig. 2 is a schematic view of the internal structure of the upper housing of the present invention;

FIG. 3 is a top view of the middle and lower shells of the present invention;

fig. 4 is a schematic vertical cross-section of the middle elastic insert of the present invention.

The labels in the figure are: 1. a lower mounting plate; 2. a lower housing; 3. aligning the shaft; 4. an elastic insert; 5. an upper housing; 6. a heat dissipation net port; 7. an upper mounting plate; 8. a sawtooth groove; 9. a threading opening; 10. aligning holes; 11. a gusset; 12. a limiting movable rod; 13. a spring; 14. a breathable net opening; 15. a top pressing plate; 16. an elastic pad; 17. caulking grooves; 18. convex particles; 19. and (4) a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Embodiment 1, referring to fig. 1 to 4, a filter housing comprises an upper housing 5 and a lower housing 2, wherein an elastic insert 4 is disposed at a corner of the bottom of the upper housing 5, an insert groove 17 is disposed at a corner of the upper surface of the lower housing 2, the elastic insert 4 is engaged with the insert groove 17, an upper mounting plate 7 is disposed on the outer wall of the upper housing 5, a lower mounting plate 1 is disposed on the outer wall of the lower housing 2, the upper mounting plate 7 is attached to the lower mounting plate 1, the upper mounting plate 7 and the lower mounting plate 1 are fixed by bolts, an angle plate 11 is arranged at the corner of the inner wall of the upper shell 5, a positioning hole 10 is arranged on the angle plate 11, a positioning shaft 3 is arranged on the upper surface of the lower shell 2, the alignment shaft 3 is inserted in the alignment hole 10, the outer wall of the upper shell 5 is provided with a plurality of heat dissipation net openings 6, the central lines of the side walls of the two ends of the upper shell 5 are provided with threading openings 9, the threading openings 9 are of a Chinese character 'zhong' structure, and the two ends of the threading openings 9 are provided with sawtooth grooves 8.

By adopting the technical scheme:

the filter shell comprises an upper shell 5 and a lower shell 2 which are respectively an upper shell 5 and a lower shell 2, wherein the upper shell 5 and the lower shell 2 can be disassembled, the structural arrangement ensures that the filter shell is convenient to disassemble and maintain when internal elements are damaged, an angle plate 11 is arranged at the corner of the inner wall of the upper shell 5, an alignment hole 10 is formed in the angle plate 11, an alignment shaft 3 is arranged on the upper surface of the lower shell 2, and the alignment shaft 3 is inserted in the alignment hole 10;

go up casing 5's both ends lateral wall central line department and seted up through wires mouth 9, through wires mouth 9 is used for perhaps being qualified for the next round of competitions to the inside inlet wire of this filter shell, because style of calligraphy structure in the through wires mouth 9 adoption, and the both ends of through wires mouth 9 are provided with sawtooth groove 8, and such structure setting makes when threading through this through wires mouth 9, and the wire is bigger with through wires mouth 9's joint strength, is difficult for droing.

Embodiment 2, referring to fig. 2, a top pressing plate 15 is arranged inside the upper casing 5, two ends of the top pressing plate 15 are connected with the inner wall of the upper casing 5 through a limiting movable rod 12, one side of the top pressing plate 15 is further connected with the inner wall of the upper casing 5 through a spring 13, the top pressing plates 15 are arranged in two, the two top pressing plates 15 are symmetrical to each other about the vertical central line of the upper casing 5, the surface of the top pressing plate 15 is provided with a plurality of elastic gaskets 16, the top pressing plate 15 is further provided with a plurality of breathable net openings 14, the limiting movable rod 12 is composed of two rod pieces which are sleeved with each other, and one of the rod pieces can movably extend and retract in.

By adopting the technical scheme:

roof pressure board 15 can carry out the centre gripping to the inside electronic component of filter housing and fix, and the effect through spring 13 makes the device when receiving the striking, and spring 13 can cushion the impact force, protects the inside electronic component of filter housing simultaneously, prevents that it from appearing damaging to make this filter housing's anti ability of falling stronger.

Embodiment 3, referring to fig. 1 to 4, the elastic insert 4 is of an L-shaped structure, the surface of the elastic insert 4 is provided with a plurality of grooves 19, the inner wall of the insert groove 17 is provided with a plurality of protruding particles 18, the protruding particles 18 are embedded in the grooves 19, the number of the elastic inserts 4 is four, and the four elastic inserts 4 are symmetrical to each other.

By adopting the technical scheme:

mutual counterpoint through elasticity abaculus 4 and caulking groove 17 makes to go up being connected between casing 5 and the casing 2 tighter, and a plurality of recess 19 has been seted up on elasticity abaculus 4 surface, and caulking groove 17 inner wall is provided with a plurality ofly and protruding grain 18, and protruding grain 18 inlays in recess 19 for elasticity abaculus 4 inlays and establishes and is difficult for droing when caulking groove 17 is inside, has further strengthened the joint strength between casing 5 and the casing 2 down.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A filter housing comprising an upper case (5) and a lower case (2), characterized in that: the heat dissipation device is characterized in that an elastic insert block (4) is arranged at the bottom corner of the upper shell (5), an insert groove (17) is formed at the upper surface corner of the lower shell (2), the elastic insert block (4) is clamped in the insert groove (17), an upper mounting plate (7) is arranged on the outer wall of the upper shell (5), a lower mounting plate (1) is arranged on the outer wall of the lower shell (2), the upper mounting plate (7) is attached to the lower mounting plate (1), the upper mounting plate (7) is fixed to the lower mounting plate (1) through bolts, an angle plate (11) is arranged at the inner wall corner of the upper shell (5), alignment holes (10) are formed in the angle plate (11), an alignment shaft (3) is arranged on the upper surface of the lower shell (2), the alignment shaft (3) is inserted into the alignment holes (10), and a plurality of heat dissipation net openings (6) are formed in the outer wall of the upper shell (5), the cable connector is characterized in that the central lines of the side walls of the two ends of the upper shell (5) are provided with cable openings (9), the cable openings (9) are of a Chinese character 'zhong' structure, and the two ends of the cable openings (9) are provided with sawtooth grooves (8).

2. A filter housing as recited in claim 1, wherein: the inner part of the upper shell (5) is provided with a top pressure plate (15), two ends of the top pressure plate (15) are connected with the inner wall of the upper shell (5) through a limiting movable rod (12), and one side of the top pressure plate (15) is connected with the inner wall of the upper shell (5) through a spring (13).

3. A filter housing according to claim 2, wherein: the two jacking plates (15) are arranged, and the two jacking plates (15) are mutually symmetrical about the vertical center line of the upper shell (5).

4. A filter housing according to claim 2, wherein: the surface of the top pressure plate (15) is provided with a plurality of elastic gaskets (16), and the top pressure plate (15) is also provided with a plurality of breathable net openings (14).

5. A filter housing according to claim 2, wherein: the limiting movable rod (12) is composed of two rod pieces which are sleeved with each other, and one rod piece can movably extend and retract in the other rod piece.

6. A filter housing as recited in claim 1, wherein: elasticity abaculus (4) adopt L type structure, a plurality of recess (19) have been seted up on elasticity abaculus (4) surface, caulking groove (17) inner wall is provided with a plurality ofly and protruding grain (18), just protruding grain (18) inlay in recess (19), elasticity abaculus (4) are provided with four altogether, four elasticity abaculus (4) is symmetry each other between two liang.