CN220233424U - Resonant rod assembly structure of miniaturized filter and miniaturized filter - Google Patents
Resonant rod assembly structure of miniaturized filter and miniaturized filter Download PDFInfo
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- CN220233424U CN220233424U CN202321336974.8U CN202321336974U CN220233424U CN 220233424 U CN220233424 U CN 220233424U CN 202321336974 U CN202321336974 U CN 202321336974U CN 220233424 U CN220233424 U CN 220233424U
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- column
- assembly structure
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005476 soldering Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model discloses a resonant rod assembly structure of a miniaturized filter and the miniaturized filter, wherein the resonant rod assembly structure comprises a cavity and a first resonant rod, a first cavity is formed in the cavity, the first cavity is upwards opened, a first resonant column is upwards arranged on the bottom wall of the first cavity in a protruding mode, a first protruding column is upwards protruding in the middle of the top surface of the first resonant column, the first resonant rod comprises a first side wall and a lower wall connected to the bottom of the first side wall, a first sleeving hole penetrating through the lower wall up and down is formed in the lower wall, the cavity is reversely buckled on the inverted first resonant rod during assembly, the top surface of the first resonant column is combined on the lower wall of the first resonant rod through soldering tin, the first protruding column is in clearance fit with the first sleeving hole, and the part of the first protruding column, protruding from the first sleeving hole, is extruded and deformed and then is pressed on the top surface of the lower wall. The resonant rod assembly structure is simple in structure, easy to assemble, low in manufacturing and material cost and high in production efficiency.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a resonant rod assembly structure of a miniaturized filter and the miniaturized filter.
Background
The existing cavity filter is large in material quantity, screw connection is needed to fasten a resonant rod and the like, and for a miniaturized filter, the space position is small, so that the performance requirement is difficult to meet, and meanwhile, the cavity utilization rate is limited. In addition, the existing product has relatively complex structure, complex assembly process, high manufacturing and material cost and low production efficiency, and particularly for a double-sided cavity filter, the used clamp is more complex, and the cost is higher. Therefore, there is a need for a resonator rod assembly structure for a miniaturized filter, which is beneficial to solving at least one of the above-mentioned technical problems.
Disclosure of Invention
The present utility model is directed to a resonator rod assembly structure of a miniaturized filter, which is beneficial to solving at least one technical problem existing in the above-mentioned background art.
Another object of the present utility model is to provide a miniaturized filter, which is advantageous to solve at least one technical problem existing in the background art.
In order to achieve the above object, the present utility model provides a resonant rod assembly structure of a miniaturized filter, the resonant rod assembly structure includes a cavity and a first resonant rod, the cavity is formed with a first cavity, the first cavity is opened upwards, a bottom wall of the first cavity is provided with a first resonant column in an upward protruding manner, a middle part of a top surface of the first resonant column is provided with a first protruding column in an upward protruding manner, the first resonant rod includes a first side wall and a lower wall connected to a bottom of the first side wall, the lower wall is provided with a first sleeving hole penetrating vertically, during assembly, the cavity is buckled on the inverted first resonant rod in an inverted manner, wherein the top surface of the first resonant column is combined on a lower wall of the first resonant rod through soldering tin, the first protruding column is in clearance fit with the first sleeving hole, and a part of the first protruding column extending out of the first sleeving hole is pressed against the top surface of the lower wall after being deformed in an extrusion manner.
Optionally, the bottom surface of the lower wall is concavely provided with a first tin containing groove, the top surface of the lower wall is concavely provided with a first air outlet hole, the first air outlet hole is communicated with the first tin containing groove, the top surface of the first resonant column is combined on the lower wall of the first resonant rod through soldering tin arranged in the first tin containing groove, and redundant soldering tin overflows outwards from the first air outlet hole.
Optionally, the first tin accommodating groove and the first air outlet hole are symmetrically arranged on two sides of the first sleeving hole.
Optionally, the first protruding column includes by the top surface of first resonance post upwards convex cylinder section and by the cylinder section upwards protruding conical section that forms, the conical section is used for guiding first socket joint hole, cylinder section with first socket joint hole clearance fit.
Optionally, the assembled cavity and the first resonant rod are welded by passing through a furnace.
Optionally, the cavity is further formed with a second cavity opposite to the first cavity, the second cavity is opened downwards, a top wall of the second cavity is provided with a second resonance column in a protruding mode downwards, and a second protruding column protrudes downwards from the middle of the bottom surface of the second resonance column; the resonant rod assembly structure further comprises a second resonant rod, wherein the second resonant rod comprises a second side wall and an upper wall connected to the top of the second side wall, and the upper wall is provided with a second sleeving hole penetrating up and down; during assembly, the cavity is buckled on the second resonance rod, wherein the bottom surface of the second resonance column is combined on the upper wall of the second resonance rod through soldering tin, the second convex column is in clearance fit with the second sleeve joint hole, and the part of the second convex column extending out of the second sleeve joint hole is pressed and deformed and then is pressed and connected to the bottom surface of the upper wall.
In order to achieve the above another object, the present utility model provides a miniaturized filter including the resonant rod assembly structure as described above.
Optionally, the filter includes a plurality of sets of the first resonant columns and the first resonant rods.
In the utility model, the middle part of the top surface of the first resonant column protrudes upwards to form a first convex column, the bottom of the first side wall of the first resonant rod is connected with a lower wall, the lower wall is provided with a first sleeving hole penetrating up and down, during assembly, the cavity is reversely buckled on the inverted first resonant rod, the top surface of the first resonant column is combined on the lower wall of the first resonant rod through soldering tin, the first convex column is in clearance fit with the first sleeving hole, and the part of the first convex column extending out of the first sleeving hole is pressed and deformed and then is pressed and connected on the top surface of the lower wall, so that the utility model does not need to be provided with excessive parts such as screws for fastening the first resonant rod, and the stable assembly of the first resonant rod can be realized by using the pressing and the welding between the first resonant rod and the first resonant column after the first convex column is pressed and deformed. In addition, the resonant rod assembly structure has the advantages of simple structure, easy assembly, low manufacturing and material cost and high production efficiency.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of the utility model where the cavity is equipped with a first resonant rod and a second resonant rod, but the stud is not compressed.
Fig. 2 is a schematic cross-sectional view of the other view of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 2.
Fig. 5 is a top view of the combination of fig. 1.
Fig. 6 is a schematic cross-sectional view of the cavity of the embodiment of the present utility model equipped with a first resonant rod and a second resonant rod and the stud is pressed.
Fig. 7 is an enlarged view of a portion C in fig. 6.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 to 7, an embodiment of the utility model discloses a resonant rod assembly structure of a miniaturized filter, the resonant rod assembly structure comprises a cavity 1 and a first resonant rod 2, the cavity 1 is formed with a first cavity 10, the first cavity 10 is upwardly opened, a bottom wall of the first cavity 10 is upwardly protruded with a first resonant column 11, and a middle part of a top surface of the first resonant column 11 is upwardly protruded with a first protruding column 12. The first resonant lever 2 includes a first sidewall 20 and a lower wall 21 connected to the bottom of the first sidewall 20, and the lower wall 21 is provided with a first socket hole 22 penetrating up and down. During assembly, the cavity 1 is inversely buckled on the inverted first resonant rod 2, wherein the top surface of the first resonant column 11 is combined on the lower wall 21 of the first resonant rod 2 through soldering tin, and the first convex column 12 is in clearance fit with the first sleeving hole 22 (namely, when the first convex column 12 is sleeved on the first sleeving hole 22, a clearance exists between the outer peripheral wall of the first convex column 12 and the inner wall of the first sleeving hole 22). The portion of the first boss 12 extending out of the first socket hole 22 is press-deformed and then press-fitted to the top surface of the lower wall 21. When the first boss 12 is pressed, deformation is generated, a space for deformation of the first boss 12 is provided by a gap between the first boss 12 and the first socket hole 22, a portion of the first boss 12 extending out of the first socket hole 22 is pressed to form a press-connection portion 125, the press-connection portion 125 includes a peripheral edge portion 126 radially beyond the first socket hole 22, and the peripheral edge portion 126 is press-connected to the top surface of the lower wall 21.
In some embodiments, the bottom surface of the lower wall 21 is concavely provided with a first tin containing groove 23, the top surface of the lower wall 21 is concavely provided with a first air outlet hole 24, the first air outlet hole 24 is communicated with the first tin containing groove 23, the top surface of the first resonant column 11 is combined on the lower wall 21 of the first resonant rod 2 through soldering tin placed in the first tin containing groove 23, and excessive soldering tin overflows outwards from the first air outlet hole 24. By means of the technical means, the first resonance rod 2 and the first resonance column 11 are favorably combined firmly.
In some embodiments, the first tin-accommodating groove 23 and the first air outlet hole 24 are symmetrically arranged on two sides of the first sleeving hole 22, so that reliable welding between the first resonant column 11 and the first resonant rod 2 is facilitated.
In some embodiments, the first post 12 includes a cylindrical section 121 protruding upward from the top surface of the first resonant post 11 and a tapered section 122 formed by the cylindrical section 121 protruding upward, the tapered section 122 being for guiding the first socket hole 22, the cylindrical section 121 being in clearance fit with the first socket hole 22. Since the first boss 12 includes the tapered section 122, the first boss 12 can be quickly coupled with the first coupling hole 22.
In some embodiments, the assembled cavity 1 and the first resonant rod 2 are welded through a furnace, and thus rapid and reliable welding can be achieved. Of course, it is not limited thereto.
In some embodiments, the cavity 1 is further formed with a second cavity 13 opposite to the first cavity 10, the second cavity 13 is opened downwards, the top wall of the second cavity 13 is provided with a second resonance post 14 in a downward protruding mode, and the middle of the bottom surface of the second resonance post 14 is provided with a second protruding post 15 in a downward protruding mode; the resonant rod assembly structure further comprises a second resonant rod 3, wherein the second resonant rod 3 comprises a second side wall 30 and an upper wall 31 connected to the top of the second side wall 30, and the upper wall 31 is provided with a second sleeving hole 32 penetrating up and down; during assembly, the cavity 1 is buckled on the second resonant rod 3, wherein the bottom surface of the second resonant column 14 is combined on the upper wall 31 of the second resonant rod 3 through soldering tin, the second convex column 15 is in clearance fit with the second sleeve joint hole 32, and the part of the second convex column 15 extending out of the second sleeve joint hole 32 is pressed and deformed and then is pressed and connected with the bottom surface of the upper wall 21.
Specifically, the top surface of the upper wall 31 is concavely provided with a second tin containing groove 33, the bottom surface of the upper wall 31 is concavely provided with a second air outlet hole 34, the second air outlet hole 34 is communicated with the second tin containing groove 33, the bottom surface of the second resonant column 14 is combined on the upper wall 31 of the second resonant rod 3 through soldering tin arranged in the second tin containing groove 33, and excessive soldering tin overflows outwards from the second air outlet hole 34. By means of the technical means, the second resonance rod 3 and the second resonance column 14 are favorably combined firmly.
Specifically, the second tin-accommodating groove 33 and the second air outlet hole 34 are symmetrically arranged on two sides of the second sleeving hole 32, so that reliable welding between the second resonant column 14 and the second resonant rod 3 is facilitated.
Specifically, the second stud 15 includes a cylindrical section 151 protruding downward from the bottom surface of the second resonant stud 14 and a tapered section 152 formed by the cylindrical section 151 protruding downward, the tapered section 152 being for guiding the second socket hole 32, the cylindrical section 151 being in clearance fit with the second socket hole 32. Since the second boss 15 includes the tapered section 152, the second boss 15 can be quickly coupled with the second coupling hole 32.
Specifically, the assembled cavity 1, the first resonant rod 2 and the second resonant rod 3 are welded through a furnace, so that rapid and reliable welding can be realized. Of course, it is not limited thereto.
In order to facilitate understanding of the present utility model, the assembly process of the cavity 1 with the first and second resonance bars 2 and 3 is described below with an example shown in the drawings.
Firstly, brushing tin in a first tin containing groove 23 of an inverted first resonant rod 2 (through a tool), after the tin brushing of the first tin containing groove 23 of each first resonant rod 2 is completed, reversely buckling a cavity 1 on each inverted first resonant rod 2, and extruding the cavity 1 by the tool, so that the top surface of a first resonant column 11 and the lower wall 21 of the first resonant rod 2 are tightly combined through soldering tin, and the first convex column 12 and a first sleeving hole 22 are in clearance fit, and in the process, if excessive soldering tin exists, the excessive soldering tin overflows outwards through a first air outlet hole 24;
next, the first boss 12 is pressed by a tool, and the second boss 12 is deformed by pressing and is pressed against the top surface of the lower wall 21;
after the assembly of the first resonant rod 2 and the cavity 1 is completed, the assembly of the first resonant rod 2 and the cavity 1 is reversely buckled on each second resonant rod 3 after tin brushing is completed, and the cavity 1 is extruded by utilizing a tool, so that the bottom surface of the second resonant column 14 is tightly combined with the upper wall 31 of the second resonant rod 3 through the tin soldering, and the second convex column 15 is in clearance fit with the second sleeving hole 32, and in the process, if excessive tin soldering exists, the tin soldering can overflow outwards through the second air outlet hole 34;
next, the second boss 15 is pressed by a tool, and the second boss 15 is deformed by pressing and is pressed against the bottom surface of the upper wall 31;
after the cavity 1 is assembled with the first resonant rod 2 and the second resonant rod 3, furnace welding can be performed, and further reliable fixing of the first resonant rod 2 and the second resonant rod 3 and the cavity 1 is achieved.
In the utility model, the middle part of the top surface of the first resonant column 11 protrudes upwards to form a first protruding column 12, the bottom of the first side wall 20 of the first resonant rod 2 is connected with a lower wall 21, the lower wall 21 is provided with a first sleeving hole 22 penetrating up and down, during assembly, the cavity 1 is reversely buckled on the inverted first resonant rod 2, the top surface of the first resonant column 11 is combined on the lower wall 21 of the first resonant rod 2 through soldering tin, the first protruding column 12 is in clearance fit with the first sleeving hole 22, the part of the first protruding column 12 protruding out of the first sleeving hole 22 is pressed and deformed and then is pressed on the top surface of the lower wall 21, and therefore, the utility model can realize firm assembly of the first resonant rod 2 by pressing the first resonant rod 2 and welding between the first resonant rod 2 and the first resonant column 11 after the first protruding column 12 is pressed and deformed. The middle part of the bottom surface of the second resonance column 14 is provided with a second convex column 15 in a protruding mode, the second resonance rod 3 comprises a second side wall 30 and an upper wall 31 connected to the top of the second side wall 30, the upper wall 31 is provided with a second sleeving hole 32 penetrating up and down, when the second resonance rod is assembled, the cavity 1 is buckled on the second resonance rod 3, the bottom surface of the second resonance column 14 is combined on the upper wall 31 of the second resonance rod 3 through soldering tin, the second convex column 15 is in clearance fit with the second sleeving hole 32, the part of the second convex column 15 extending out of the second sleeving hole 32 is pressed and deformed and then is pressed against the bottom surface of the upper wall 21, and therefore the second resonance rod 3 is fastened without arranging extra parts such as screws, and the second resonance rod 3 can be firmly assembled by pressing the second resonance rod 3 after the second convex column 15 is pressed and welding between the second resonance rod 3 and the second resonance column 14. In addition, the resonant rod assembly structure has the advantages of simple structure, easy assembly, low manufacturing and material cost and high production efficiency.
Referring to fig. 1 to 7, the present utility model also discloses a miniaturized filter including the resonant rod assembly structure according to the above embodiment.
Optionally, the filter comprises a plurality of sets of first resonator pillars 11 and first resonator rods 2.
Optionally, the filter comprises a plurality of sets of second resonator pillars 14 and second resonator rods 3.
In the utility model, the middle part of the top surface of the first resonant column 11 protrudes upwards to form a first protruding column 12, the bottom of the first side wall 20 of the first resonant rod 2 is connected with a lower wall 21, the lower wall 21 is provided with a first sleeving hole 22 penetrating up and down, during assembly, the cavity 1 is reversely buckled on the inverted first resonant rod 2, the top surface of the first resonant column 11 is combined on the lower wall 21 of the first resonant rod 2 through soldering tin, the first protruding column 12 is in clearance fit with the first sleeving hole 22, the part of the first protruding column 12 protruding out of the first sleeving hole 22 is pressed and deformed and then is pressed on the top surface of the lower wall 21, and therefore, the utility model can realize firm assembly of the first resonant rod 2 by pressing the first resonant rod 2 and welding between the first resonant rod 2 and the first resonant column 11 after the first protruding column 12 is pressed and deformed. In addition, the resonant rod assembly structure has the advantages of simple structure, easy assembly, low manufacturing and material cost and high production efficiency.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (8)
1. The utility model provides a miniaturized wave filter's resonant rod assembly structure, its characterized in that, resonant rod assembly structure includes cavity and first resonant rod, the cavity is formed with first cavity, first cavity is upwards uncovered, the diapire of first cavity is upwards protruding to be equipped with first resonance post, the top surface middle part of first resonance post upwards protruding has first projection, first resonant rod includes first lateral wall and connects the lower wall of the bottom of first lateral wall, the lower wall is equipped with the first hole of cup jointing that runs through from top to bottom, during the assembly, the cavity back-off is on the first resonant rod of inversion, wherein the top surface of first resonance post is in through soldering tin bonding on the lower wall of first resonant rod, first projection with first hole clearance fit that cup joints, first projection stretches out the part in first hole of cup jointing is pressed the top surface of lower wall after being deformed by the extrusion.
2. The resonator rod assembly structure of the miniaturized filter according to claim 1, wherein a first tin containing groove is concavely formed in the bottom surface of the lower wall, a first air outlet hole is concavely formed in the top surface of the lower wall, the first air outlet hole is communicated with the first tin containing groove, the top surface of the first resonator column is combined on the lower wall of the first resonator rod through soldering tin placed in the first tin containing groove, and excessive soldering tin overflows outwards from the first air outlet hole.
3. The resonator rod assembly structure of the miniaturized filter according to claim 2, wherein the first tin-accommodating groove and the first air outlet hole are symmetrically arranged at two sides of the first socket hole.
4. The resonator rod assembly structure of the miniature filter of claim 1, wherein the first post includes a cylindrical section protruding upward from a top surface of the first post and a tapered section protruding upward from the cylindrical section, the tapered section being for guiding the first socket hole, the cylindrical section being in clearance fit with the first socket hole.
5. The resonator rod assembly structure of a miniaturized filter according to claim 1, characterized in that the cavity and the first resonator rod, which are assembled, are welded by passing through a furnace.
6. The resonator rod assembly structure of a miniaturized filter according to claim 1, characterized in that,
the cavity is further provided with a second cavity opposite to the first cavity, the second cavity is opened downwards, the top wall of the second cavity is provided with a second resonance column in a downward protruding mode, and the middle of the bottom surface of the second resonance column is provided with a second protruding column in a downward protruding mode;
the resonant rod assembly structure further comprises a second resonant rod, wherein the second resonant rod comprises a second side wall and an upper wall connected to the top of the second side wall, and the upper wall is provided with a second sleeving hole penetrating up and down;
during assembly, the cavity is buckled on the second resonance rod, wherein the bottom surface of the second resonance column is combined on the upper wall of the second resonance rod through soldering tin, the second convex column is in clearance fit with the second sleeve joint hole, and the part of the second convex column extending out of the second sleeve joint hole is pressed and deformed and then is pressed and connected to the bottom surface of the upper wall.
7. A miniaturized filter comprising a resonant rod assembly structure according to any one of claims 1 to 6.
8. The miniaturized filter of claim 7 wherein the filter includes multiple sets of the first resonant columns and the first resonant rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336974.8U CN220233424U (en) | 2023-05-29 | 2023-05-29 | Resonant rod assembly structure of miniaturized filter and miniaturized filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336974.8U CN220233424U (en) | 2023-05-29 | 2023-05-29 | Resonant rod assembly structure of miniaturized filter and miniaturized filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233424U true CN220233424U (en) | 2023-12-22 |
Family
ID=89183838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321336974.8U Active CN220233424U (en) | 2023-05-29 | 2023-05-29 | Resonant rod assembly structure of miniaturized filter and miniaturized filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233424U (en) |
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2023
- 2023-05-29 CN CN202321336974.8U patent/CN220233424U/en active Active
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