CN220291993U - Frame structure of built-in filter - Google Patents
Frame structure of built-in filter Download PDFInfo
- Publication number
- CN220291993U CN220291993U CN202321798150.2U CN202321798150U CN220291993U CN 220291993 U CN220291993 U CN 220291993U CN 202321798150 U CN202321798150 U CN 202321798150U CN 220291993 U CN220291993 U CN 220291993U
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- Prior art keywords
- frame
- plate
- plastic
- side plate
- frame structure
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- 239000004033 plastic Substances 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229920002799 BoPET Polymers 0.000 description 4
- 239000005041 Mylar™ Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a frame structure of a built-in filter, which comprises a plastic inner frame and a metal outer frame, wherein the top surface of the plastic inner frame is provided with an opening, two sides of the plastic inner frame are symmetrically provided with a pair of connecting components, two sides of the metal outer frame are provided with openings, the metal outer frame is sleeved on the peripheral wall of the plastic inner frame, the top surface of the metal outer frame corresponds to the opening of the plastic inner frame, the openings at two sides of the metal outer frame correspond to the connecting components, and one end of the bottom surface of the metal outer frame is provided with a grounding bolt. The utility model provides a frame structure of a built-in filter, which adopts a structure that a plastic inner frame is matched with a metal outer frame, reduces the installation procedure, saves the material cost and improves the assembly efficiency.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a frame structure of a built-in filter.
Background
The filter is a filter circuit composed of a capacitor, an inductor and a resistor. 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.
The traditional built-in filter outer frame structure is usually a stretching iron shell, as shown in fig. 1, an insulating Mylar is installed on the bottom surface of an inner cavity of the iron shell, a core is installed on the insulating piece, two sides of the inner cavity of the iron shell are provided with insulating plastic male and female seats for installing connecting bolts and electrically connecting with the core, a grounding bolt is further required to be welded on the iron shell, and after the assembly is completed, a metal shell cover is required to be covered and rivet or tin sealing is required. The whole assembly process is more complicated, consumes longer time, and installation effectiveness is low, and insulating Mylar film has increased cost and installation procedure, and the combination of insulating public female seat has increased equipment time and instability, if public female seat dislocation or because of the too big public female seat fracturing of torsion causes the potential safety hazard when using.
Disclosure of Invention
The utility model aims to provide a frame structure of a built-in filter, which adopts a structure that a plastic inner frame is matched with a metal outer frame, so that the installation procedure is reduced, the material cost is saved, and the assembly efficiency is improved.
The utility model discloses a frame structure of a built-in filter, which adopts the following technical scheme:
the utility model provides a frame structure of built-in wave filter, includes plastic inside casing and metal frame, the top surface opening of plastic inside casing, the bilateral symmetry of plastic inside casing is equipped with a pair of coupling assembling, the both sides opening of metal frame, the periphery wall of plastic inside casing is located to the metal frame cover, the top surface of metal frame corresponds with the opening of plastic inside casing, the opening of metal frame both sides corresponds with coupling assembling, metal frame bottom surface one end is equipped with the grounding bolt.
As the preferable scheme, the connecting assembly comprises a connecting bolt and a connecting plate, wherein the connecting bolt is inserted into the side wall of the plastic inner frame, and the connecting plate is fixed on the inner wall of the plastic inner frame through the connecting bolt.
As the preferable scheme, both sides of connecting plate are all vertical to be equipped with plastic spacing, plastic spacing and the inner wall fixed connection of plastic inside casing.
As an optimal scheme, limiting grooves are formed in the outer peripheral wall of the plastic inner frame, limiting convex strips are arranged on the inner peripheral wall of the metal outer frame, and the limiting convex strips are matched with the limiting grooves.
As the preferred scheme, metal frame includes bottom plate, preceding curb plate, posterior lateral plate and roof, bottom plate, preceding curb plate, posterior lateral plate and roof are connected and are formed frame structure, bottom plate one end and the bottom fixed connection of preceding curb plate, the bottom plate other end and the bottom fixed connection of posterior lateral plate, top surface one end and the top of preceding curb plate can be dismantled and be connected, the top fixed connection of roof other end and posterior lateral plate.
As a preferable scheme, the top ends of two sides of the plastic inner frame are provided with positioning grooves, two sides of the top plate are provided with positioning blocks, and the positioning blocks are matched with the positioning grooves.
As a preferable scheme, an elastic female buckle is arranged at one end of the top plate, an elastic male buckle is arranged at the top end of the front side plate, and the elastic male buckle is in buckling connection with the elastic female buckle.
Preferably, one end of the top plate is detachably connected with the top end of the front side plate through a rivet.
The frame structure of the built-in filter has the beneficial effects that: through adopting plastic inside casing and metal frame matched with structure, the core can direct mount in the bottom surface of plastic inside casing, does not need to install insulating wheat pulling-on piece, and coupling assembling can direct mount in the both sides and the core of plastic inside casing are connected, need not to install insulating public female seat, has reduced the installation procedure, has practiced thrift the material cost, has improved packaging efficiency, and the periphery wall of plastic inside casing is located to rethread metal frame cover at last, and the opening of plastic inside casing is covered to the closing cap, easy dismounting and security are high.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic structural view of a frame structure of a built-in filter according to the present utility model.
Fig. 3 is a schematic structural diagram of a plastic inner frame with a built-in filter frame structure according to the present utility model.
Fig. 4 is a schematic structural view of a metal frame of a built-in filter according to the present utility model.
10. A plastic inner frame; 11. a plastic limit strip; 12. a limit groove; 13. a positioning groove; 20. a metal outer frame; 21. a grounding bolt; 22. limit raised strips; 23. a bottom plate; 24. a front side plate; 25. a rear side plate; 26. a top plate; 27. a positioning block; 28. an elastic female buckle; 29. an elastic male buckle; 30. a connection assembly; 31. a connecting bolt; 32. a connecting plate; 40. a rivet; 50. the movement.
Detailed Description
The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to fig. 2, a frame structure of a built-in filter includes a plastic inner frame 10 and a metal outer frame 20, wherein a top surface of the plastic inner frame 10 is opened, a pair of connecting members 30 are symmetrically disposed on two sides of the plastic inner frame 10, two sides of the metal outer frame 20 are opened, the metal outer frame 20 is sleeved on an outer peripheral wall of the plastic inner frame 10, a top surface of the metal outer frame 20 corresponds to the opening of the plastic inner frame 10, two sides of the metal outer frame 20 correspond to the connecting members 30, and a grounding bolt 21 is disposed at one end of a bottom surface of the metal outer frame 20.
It can be seen from the above description that, by adopting the structure of the plastic inner frame 10 and the metal outer frame 20, the movement 50 can be directly mounted on the bottom surface of the plastic inner frame 10 without mounting an insulating Mylar film, the connecting assembly 30 can be directly mounted on two sides of the plastic inner frame 10 and connected with the movement 50 without mounting an insulating male and female seat, thereby reducing the mounting process, saving the material cost, improving the assembly efficiency, and finally, sleeving the metal outer frame 20 on the peripheral wall of the plastic inner frame 10 to cover the opening of the plastic inner frame 10, with convenient assembly and disassembly and high safety.
Referring to fig. 3, the connecting assembly 30 includes a connecting bolt 31 and a connecting plate 32, the connecting bolt 31 is inserted into a side wall of the plastic inner frame 10, and the connecting plate 32 is fixed on an inner wall of the plastic inner frame 10 through the connecting bolt 31.
As is apparent from the above description, the connection plate 32 is fixed to the inner wall of the plastic inner frame 10 by the connection bolt 31 and then connected to the movement 50, and one end of the connection bolt 31 is penetrated out of the plastic inner frame 10 to be connected to an external circuit, and the connection bolt 31 includes input and output bolts.
Referring to fig. 3, plastic limiting strips 11 are vertically disposed on two sides of the connecting plate 32, and the plastic limiting strips 11 are fixedly connected with the inner wall of the plastic inner frame 10.
As can be seen from the above description, the plastic limiting bar 11 can limit the connecting plate 32, and also prevent the connecting plate 32 from rotating when the connecting bolt 31 is screwed down, thereby causing potential safety hazard.
Referring to fig. 3 and 4, the outer peripheral wall of the plastic inner frame 10 is provided with a limiting groove 12, the inner peripheral wall of the metal outer frame 20 is provided with a limiting convex strip 22, and the limiting convex strip 22 is matched with the limiting groove 12.
As can be seen from the above description, the stability of the connection between the metal outer frame 20 and the plastic inner frame 10 can be improved by the limiting protruding strips 22 being clamped into the limiting grooves 12.
Referring to fig. 4, the metal outer frame 20 includes a bottom plate 23, a front side plate 24, a rear side plate 25 and a top plate 26, wherein the bottom plate 23, the front side plate 24, the rear side plate 25 and the top plate 26 are connected to form a frame structure, one end of the bottom plate 23 is fixedly connected with the bottom end of the front side plate 24, the other end of the bottom plate 23 is fixedly connected with the bottom end of the rear side plate 25, one end of the top surface is detachably connected with the top end of the front side plate 24, and the other end of the top plate 26 is fixedly connected with the top end of the rear side plate 25.
As can be seen from the above description, the metal frame 20 is a sheet metal frame, and is formed by bending a metal plate into a frame structure, so as to form a bottom plate 23, a front side plate 24, a rear side plate 25 and a top plate 26, and the front end and the rear end of the metal plate, i.e. one end of the top plate 26 and the top end of the front side plate 24, are detachably connected.
Referring to fig. 3 and 4, positioning grooves 13 are formed at the top ends of two sides of the plastic inner frame 10, positioning blocks 27 are formed at two sides of the top plate 26, and the positioning blocks 27 are matched with the positioning grooves 13.
As can be seen from the above description, when the metal outer frame 20 is mounted on the outer peripheral wall of the plastic inner frame 10, the positioning blocks 27 are locked into the positioning grooves 13, so that the convenience of mounting can be improved, and the mounting and positioning can be easier.
Referring to fig. 4, an elastic female buckle 28 is provided at one end of the top plate 26, an elastic male buckle 29 is provided at the top end of the front side plate 24, and the elastic male buckle 29 is in snap connection with the elastic female buckle 28; or one end of the top panel 26 is detachably connected to the top end of the front side panel 24 by a rivet 40.
As will be appreciated from the above description, the top panel 26 and the front side panel 24 may be conveniently detachably connected by a snap fit connection or a rivet 40 connection, or a combination thereof. In this embodiment, the top plate 26 and the front side plate 24 are detachably connected by a combination of the two.
The utility model provides a frame structure of a built-in filter, which adopts a structure that a plastic inner frame is matched with a metal outer frame, a machine core can be directly arranged on the bottom surface of the plastic inner frame, an insulating Mylar sheet does not need to be arranged, a connecting component can be directly arranged on two sides of the plastic inner frame and connected with the machine core, an insulating male and female seat does not need to be arranged, the installation procedure is reduced, the material cost is saved, the assembly efficiency is improved, and finally, the metal outer frame is sleeved on the peripheral wall of the plastic inner frame to cover the opening of the plastic inner frame, so that the built-in filter is convenient to assemble and disassemble and high in safety.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a framework structure of built-in wave filter, its characterized in that includes plastic inside casing and metal frame, the top surface opening of plastic inside casing, the bilateral symmetry of plastic inside casing is equipped with a pair of coupling assembling, the both sides opening of metal frame, the periphery wall of plastic inside casing is located to the metal frame cover, the top surface of metal frame corresponds with the opening of plastic inside casing, the opening of metal frame both sides corresponds with coupling assembling, metal frame bottom surface one end is equipped with the grounding bolt.
2. The frame structure of claim 1, wherein the connecting assembly comprises a connecting bolt and a connecting plate, the connecting bolt is inserted into the side wall of the plastic inner frame, and the connecting plate is fixed on the inner wall of the plastic inner frame through the connecting bolt.
3. The frame structure of claim 2, wherein plastic limit bars are vertically arranged on both sides of the connecting plate, and the plastic limit bars are fixedly connected with the inner wall of the plastic inner frame.
4. The frame structure of claim 1, wherein the outer peripheral wall of the plastic inner frame is provided with a limit groove, and the inner peripheral wall of the metal outer frame is provided with a limit protruding strip, and the limit protruding strip is matched with the limit groove.
5. The frame structure of claim 1, wherein the metal outer frame comprises a bottom plate, a front side plate, a rear side plate and a top plate, the bottom plate, the front side plate, the rear side plate and the top plate are connected to form a frame structure, one end of the bottom plate is fixedly connected with the bottom end of the front side plate, the other end of the bottom plate is fixedly connected with the bottom end of the rear side plate, one end of the top surface is detachably connected with the top end of the front side plate, and the other end of the top plate is fixedly connected with the top end of the rear side plate.
6. The frame structure of claim 5, wherein the top ends of two sides of the plastic inner frame are provided with positioning grooves, two sides of the top plate are provided with positioning blocks, and the positioning blocks are matched with the positioning grooves.
7. The frame structure of claim 5, wherein an elastic female buckle is provided at one end of the top plate, and an elastic male buckle is provided at a top end of the front side plate, and the elastic male buckle is in snap connection with the elastic female buckle.
8. The frame structure of a built-in filter according to claim 5, wherein one end of the top plate is detachably connected to the top end of the front side plate by means of a rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321798150.2U CN220291993U (en) | 2023-07-10 | 2023-07-10 | Frame structure of built-in filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321798150.2U CN220291993U (en) | 2023-07-10 | 2023-07-10 | Frame structure of built-in filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220291993U true CN220291993U (en) | 2024-01-02 |
Family
ID=89343836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321798150.2U Active CN220291993U (en) | 2023-07-10 | 2023-07-10 | Frame structure of built-in filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220291993U (en) |
-
2023
- 2023-07-10 CN CN202321798150.2U patent/CN220291993U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |