CN218941528U

CN218941528U - Assembly structure of filter

Info

Publication number: CN218941528U
Application number: CN202223093099.3U
Authority: CN
Inventors: 郭树天
Original assignee: Beijing Taipaist Technology Development Co ltd
Current assignee: Beijing Taipaist Technology Development Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-28
Anticipated expiration: 2032-11-17

Abstract

The application relates to an assembly structure of a filter, which comprises a shell and a cover plate; the shell is characterized in that a plurality of clamping blocks are arranged on the inner side wall of the shell, a fixing hole is formed in the side wall of the cover plate, and the clamping blocks are clamped with the fixing hole in a matching mode. The filter has the effect of reducing the assembly cost of the filter.

Description

Assembly structure of filter

Technical Field

The present disclosure relates to the field of filter structure design, and in particular, to an assembly structure of a filter.

Background

The filter can effectively filter the frequency points of the specific frequency or the frequencies outside the frequency points in the power line to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency. In order to ensure the solution of the electromagnetic compatibility problem of the product, a large number of products with filtering functions are applied in various fields. In addition, the development of products is increasingly advanced toward miniaturization, so that miniaturized filters are increasingly applied.

The difficulty with this is the assembly of the cover plate of the finished filter. The current common assembly process is soldering, the soldering wire contains lead, and gas harmful to human body can be generated in the soldering process; however, if a lead-free wire is used, the cost is high.

With respect to the related art described above, the inventors consider that there is a lack of a cost-effective filter assembly.

Disclosure of Invention

In order to reduce the assembly cost of the filter, the application provides an assembly structure of the filter.

The application provides an assembly structure of wave filter adopts following technical scheme:

an assembly structure of a filter comprises a shell and a cover plate; the shell is characterized in that a plurality of clamping blocks are arranged on the inner side wall of the shell, a fixing hole is formed in the side wall of the cover plate, and the clamping blocks are clamped with the fixing hole in a matching mode.

Through adopting above-mentioned technical scheme, fixture block on the casing and the fixed orifices cooperation joint on the apron to accomplish the assembly to the filter, this process need not to use the welding wire to weld, and the simple easy operation of process can reduce assembly cost again. Optionally, the shell comprises a plurality of side plates and a bottom plate, one side of each side plate is fixedly connected with different sides of the bottom plate, and adjacent sides of each side plate are fixedly connected; the clamping blocks are fixedly arranged on the opposite surfaces of the side plates, and clamping pieces are fixedly arranged on one surface, close to the side plates, of the bottom plate and used for fixing the circuit board in the filter.

Optionally, the fastener includes cassette and cardboard, the cassette set up in the inboard of bottom plate, the cardboard rotate set up in on the cassette, just the cardboard with the one side of cassette joint is provided with the lug, be provided with on the cassette with the connecting hole of lug adaptation, the lug card is located in the connecting hole.

Through adopting above-mentioned technical scheme, with the connected mode of casing and apron the same, use lug and connecting hole cooperation to be connected, can be fixed in the casing with the circuit board, can save installation time again.

Optionally, a rubber pad is arranged on the inner side wall of the clamping seat.

Through adopting above-mentioned technical scheme, rubber is soft material, has certain shock attenuation effect at the inside adhesion rubber pad of cassette, has played the effect of protection to the circuit board.

Optionally, the bottom of bottom plate has seted up the installation cavity, be provided with the ventilation hole on the lateral wall of installation cavity, still be provided with the refrigeration piece in the installation cavity, the bottom of installation cavity is provided with radiator fan.

By adopting the technical scheme, heat can be generated in the working process of the filter, and the cooling plate is arranged in the mounting cavity, so that the temperature in the shell can be reduced, the circuit elements are cooled, and the service life of the filter is prolonged; on the other hand, the radiator fan arranged at the bottom of the mounting cavity can radiate heat generated by the refrigerating sheet, so that the refrigerating effect is enhanced, and meanwhile, the refrigerating sheet can be protected.

Optionally, a dust screen is further fixedly arranged on the vent hole.

Through adopting above-mentioned technical scheme, be provided with the ventilation hole of cooperation radiator fan in the installation cavity, set up the dust screen in the ventilation hole, can block most dust entering installation intracavity during the ventilation, have certain dirt-proof effect.

Optionally, the side plate provided with the clamping block is further provided with a grounding copper bar, and the grounding copper bar is close to the bottom plate.

Optionally, a wiring hole is formed in the side plate far away from the grounding copper bar, and a rubber ring is fixedly arranged in the wiring hole.

Through adopting above-mentioned technical scheme, set up the rubber circle in wiring hole department, can play the guard action to the electric wire, also can seal the wave filter to a certain extent, play dustproof effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the filter is assembled by using the structure clamping joint of the clamping block and the fixing block, welding wires are not needed in the process, the process is simple and easy to operate, and the assembly cost can be reduced;

2. the circuit board is fixed in the shell by matching connection between the convex blocks and the connecting holes in the same way as the connection between the shell and the cover plate, and the installation time can be saved;

3. the heat can be generated in the working process of the filter, and the refrigerating sheet is arranged in the mounting cavity, so that the temperature in the shell can be reduced, the circuit elements can be cooled, and the service life of the filter can be prolonged; on the other hand, the radiator fan arranged at the bottom of the mounting cavity can radiate heat generated by the refrigerating sheet, so that the refrigerating effect is enhanced, and meanwhile, the refrigerating sheet can be protected.

Drawings

Fig. 1 is an overall structural view of an assembly structure of a filter in the present application.

Fig. 2 is an internal structural view of an assembly structure of a filter in the present application.

Fig. 3 is a block diagram of an assembly structure of a filter in the present application.

Fig. 4 is a sectional view of an assembly structure of a filter in the present application.

Reference numerals illustrate: 1. a cover plate; 11. a fixing hole; 2. a housing; 21. a side plate; 22. a bottom plate; 23. a clamping block; 24. stamping the boss; 25. a wiring hole; 26. a fixing plate; 27. a clamping piece; 271. a fixed block; 272. a connecting pipe; 273. a connection hole; 28. a vent hole; 29. a grounding copper bar; 3. a cooling sheet; 4. a heat radiation fan.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

In this embodiment, the following description is given on the premise that the filter is placed on a horizontal plane.

The embodiment of the application discloses an assembly structure of a filter. Referring to fig. 1 to 3, an assembling structure of a filter includes a housing 2 and a cover plate 1, the housing 2 and the cover plate 1 being connected using a mortise and tenon structure.

The cover plate 1 comprises a square base body, square grooves are formed in the base body, and two square fixing holes 11 are respectively formed in a pair of side walls with larger groove lengths.

The shell 2 comprises a side plate 21 and a bottom plate 22, the side plate 21 comprises four trapezoidal plates, wherein the size of a pair of trapezoidal plates is the same, and the upper bottoms of the trapezoidal plates are fixedly connected with the edges of the bottom plate 22 with the corresponding length; the other pair of trapezoid plates have the same size, the upper bottoms are fixedly connected with the edges of the bottom plate 22 with the corresponding length, and the adjacent side edges of the four trapezoid plates are fixedly connected; two clamping blocks 23 and two stamping bosses 24 are arranged on opposite side surfaces of the pair of trapezoid plates with the longer upper bottom, the clamping blocks 23 and the stamping bosses 24 are square blocks, the stamping bosses 24 are closer to the bottom plate 22, the clamping blocks 23 are farther from the bottom plate 22, and the distance between the stamping bosses 24 is larger than that between the clamping blocks 23; the clamping block 23 is matched with the fixing hole 11; the side surface provided with the clamping block 23 is welded with a grounding copper sheet at a position close to the bottom plate 22. Two wiring holes 25 are respectively formed in the pair of trapezoid plates with the shorter upper bottoms, and rubber rings are arranged in the wiring holes 25; the lower bottoms of the pair of trapezoidal plates with the shorter upper bottoms are also horizontally and fixedly connected with a fixing plate 26, the fixing plate 26 comprises a triangular plate, and a through hole is formed in the triangular plate and used for fixing the filter.

During assembly, the cover plate 1 and the shell 2 are buckled, and the assembly of the filter can be completed by dispensing sealant at the gap between the cover plate 1 and the shell 2, so that the time for using the tin-welded cover plate 1 and cleaning later is saved, the cost is correspondingly saved, and the efficiency is improved.

The bottom plate 22 comprises a rectangular plate, one surface of the rectangular plate facing the side plate 21 is fixedly provided with four clamping pieces 27, and the four clamping pieces 27 are respectively close to four corners of the rectangular plate and are used for clamping four corners of a circuit board in the filter; the clamping piece 27 comprises a clamping seat and a clamping plate, the clamping seat comprises a first square plate and two rectangular plates, the first square plate is horizontally arranged and fixedly arranged on one surface of the bottom plate 22 close to the side plate 21, the longer side edges of the two rectangular plates are fixedly connected with two adjacent edges on the first square plate respectively, and the edges of the two rectangular plates, which are contacted, are fixedly connected, so that a square shell 2 with only three surfaces is formed, two ends of one rectangular plate, which are far away from the side edges of the first square plate, are provided with fixing blocks 271, and a fixing shaft is fixedly connected between the two fixing blocks 271; two square connecting holes 273 are formed in the other rectangular plate, and the connecting holes 273 are far away from the first square plate. Rubber pads are adhered in grooves formed by the first square plate and the two rectangular plates, and the rubber pads are attached to the first square plate and the two rectangular plates; the rubber at the connection hole 273 is removed, and the use of the connection hole 273 is not hindered.

The cardboard includes the second square plate, is provided with one section connecting pipe 272 on one side of second square plate, connecting pipe 272 and fixed axle assorted, and connecting pipe 272 cover on the second square plate is located on the fixed axle, and corresponding with the cassette, is provided with square lug in one side of the square plate of first person, and the lug matches with the size of connecting hole 273.

When the welding wire is installed, the circuit board is placed in the clamping seat, the clamping piece 27 is clamped with the clamping seat, the structure is simple, welding wires can be saved, and the cost is reduced; when the filter vibrates, the rubber pad arranged in the clamping seat plays a role in buffering the circuit board, so that the vibration amplitude of the circuit board can be reduced to a certain extent.

Referring to fig. 4, a mounting cavity is further arranged in the bottom plate 22, a top wall of the mounting cavity is provided with a refrigerating sheet 3, and a refrigerating surface of the refrigerating sheet 3 faces the bottom plate 22; four circular vent holes 28 are formed in one side wall of the mounting cavity, and a dustproof net is arranged in each vent hole 28; the bottom wall of the installation cavity is provided with an opening, and a cooling fan 4 is fixedly arranged in the opening.

During operation, the refrigerating sheet 3 and the cooling fan 4 are started together with the filter, one side of the refrigerating sheet 3 facing the inside of the filter is refrigerated, one side far away from the inside of the filter generates heat, the cooling fan 4 dissipates heat generated by the refrigerating sheet 3, the refrigerating effect can be enhanced to a certain extent, and the service lives of the refrigerating sheet 3 and the filter can be prolonged.

The implementation principle of the assembly structure of the filter in the embodiment of the application is as follows:

placing the circuit board into the clamping seat, and clamping the clamping piece 27 with the clamping seat; passing the electric wire through the wiring hole 25 and connecting with the circuit board; the cover plate 1 and the shell 2 are buckled, and the assembly of the filter can be completed by dispensing sealant at the gap between the cover plate 1 and the shell 2, so that the time for using the tin-welded cover plate 1 and cleaning later is saved, the cost is correspondingly saved, and the efficiency is improved; when the filter is used, the cooling plate 3 and the cooling fan 4 are started together with the filter, the cooling plate 3 refrigerates towards one side inside the filter, one side far away from the inside of the filter generates heat, the cooling fan 4 dissipates heat generated by the cooling plate 3, the cooling effect can be enhanced to a certain extent, and the service lives of the cooling plate 3 and the filter can be prolonged. The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An assembly structure of a filter, characterized in that: comprises a shell (2) and a cover plate (1); a plurality of clamping blocks (23) are arranged on the inner side wall of the shell (2), fixing holes (11) are formed in the side wall of the cover plate (1), and the clamping blocks (23) are clamped with the fixing holes (11) in a matching mode.

2. A filter assembly structure according to claim 1, wherein: the shell (2) comprises a plurality of side plates (21) and a bottom plate (22), one side of each side plate (21) is fixedly connected with different sides of the bottom plate (22), and adjacent sides of each side plate (21) are fixedly connected; the clamping blocks (23) are fixedly arranged on the opposite surfaces of the side plates (21), and clamping pieces (27) are fixedly arranged on one surface, close to the side plates (21), of the bottom plate (22) and used for fixing a circuit board in the filter.

3. A filter assembly structure according to claim 2, wherein: the clamping piece (27) comprises a clamping seat and a clamping plate, wherein the clamping seat is arranged on the inner side of the bottom plate (22), the clamping plate is rotatably arranged on the clamping seat, a protruding block is arranged on one face, clamped with the clamping seat, of the clamping plate, a connecting hole (273) matched with the protruding block is formed in the clamping seat, and the protruding block is clamped in the connecting hole (273).

4. A filter mounting structure according to claim 3, wherein: the inside wall of cassette is provided with the rubber pad.

5. A filter assembly structure according to claim 2, wherein: the bottom of bottom plate (22) has seted up the installation cavity, be provided with ventilation hole (28) on the lateral wall of installation cavity, still be provided with refrigeration piece (3) in the installation cavity, the bottom of installation cavity is provided with radiator fan (4).

6. The filter mounting structure according to claim 5, wherein: and a dustproof net is fixedly arranged on the vent hole (28).

7. A filter assembly structure according to claim 2, wherein: the side plate (21) provided with the clamping block (23) is further provided with a grounding copper bar (29), and the grounding copper bar (29) is close to the bottom plate (22).

8. The filter mounting structure according to claim 7, wherein: a wiring hole (25) is formed in the side plate (21) far away from the grounding copper bar (29), and a rubber ring is fixedly arranged in the wiring hole (25).