CN219959387U - Resonance rod fixing structure of miniaturized filter and miniaturized filter - Google Patents
Resonance rod fixing structure of miniaturized filter and miniaturized filter Download PDFInfo
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- CN219959387U CN219959387U CN202321336894.2U CN202321336894U CN219959387U CN 219959387 U CN219959387 U CN 219959387U CN 202321336894 U CN202321336894 U CN 202321336894U CN 219959387 U CN219959387 U CN 219959387U
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910000679 solder Inorganic materials 0.000 claims abstract 3
- 238000005476 soldering Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 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 fixing structure of a miniaturized filter and the miniaturized filter, wherein the resonant rod fixing structure comprises a cavity and a first resonant rod, a first cavity is formed in the cavity, a first resonant column is arranged on the bottom wall of the first cavity in an upward protruding mode, a first convex column is arranged in the middle of the top surface of the first resonant column in an upward protruding mode, 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 is formed in the lower wall, a first tin accommodating 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 accommodating groove, during assembly, the cavity is reversely buckled on the inverted first resonant rod, redundant solder is combined on the lower wall of the first resonant rod through solder arranged in the first tin accommodating groove and overflows outwards from the first air outlet hole, and the first convex column is sleeved on the first sleeving hole in an interference mode. The resonant rod fixing structure has the advantages of simple structure, easy assembly, low manufacturing and material cost and high production efficiency.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a resonant rod fixing 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, it is desirable to provide a resonant rod fixing structure of a miniaturized filter, which is beneficial to solving at least one technical problem.
Disclosure of Invention
The present utility model is directed to a resonant rod fixing structure of a miniaturized filter, which is beneficial to solving at least one technical problem existing in the 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 utility model provides a resonant rod fixing structure of a miniaturized filter, the resonant rod fixing structure comprises a cavity and a first resonant rod, the cavity is provided with a first cavity, the first cavity is upwards opened, a bottom wall of the first cavity is upwards provided with a first resonant column in a protruding mode, the middle of the top surface of the first resonant column is upwards provided with a first protruding column in a protruding mode, the first resonant rod comprises a first side wall and a lower wall connected to the bottom of the first side wall, the lower wall is provided with a first sleeving hole penetrating up and down, 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, during assembly, the cavity is inversely buckled on the first resonant rod, the top surface of the first resonant column is combined on the lower wall of the first resonant rod through the first tin containing groove, and redundant soldering tin overflows from the first protruding column through the first air outlet 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 tapered section that forms, tapered section is used for guiding first bell and spigot joint hole, cylinder section with first bell and spigot joint hole interference fit.
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 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 fixing structure further comprises a second resonant rod, the second resonant rod comprises a second side wall and an upper wall connected to the top of the second side wall, the upper wall is provided with a second sleeving hole penetrating up and down, the top surface of the upper wall is concavely provided with a second tin containing groove, the bottom surface of the upper wall is concavely provided with a second air outlet hole, and the second air outlet hole is communicated with the second tin containing groove; 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 arranged in the second tin containing groove, redundant soldering tin overflows outwards from the second air outlet hole, and the second convex column is in interference fit with the second sleeve hole.
Optionally, the assembled cavity and the first resonant rod are welded by passing through a furnace.
In order to achieve the above another object, the present utility model provides a miniaturized filter including the resonant rod fixing structure as described above.
Optionally, the filter includes a plurality of sets of the first resonant columns and the first resonant rods.
According to the utility model, the middle part of the top surface of the first resonant column is provided with the first convex column in an upward protruding way, the bottom of the first side wall of the first resonant rod is connected with the lower wall, the lower wall is provided with the first sleeving hole penetrating up and down, the bottom surface of the lower wall is concavely provided with the first tin containing groove, the top surface of the lower wall is concavely provided with the first air outlet hole, the first air outlet hole is communicated with the first tin containing groove, and when the resonant rod is assembled, the cavity is reversely buckled on the inverted first resonant rod, wherein 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, redundant soldering tin overflows outwards from the first air outlet hole, and the first convex column is sleeved on the first sleeving hole in an interference way, so that the first resonant rod is fastened without arranging redundant parts such as screws, and the stable assembly of the first resonant rod can be realized by utilizing interference fit of the first convex column and the first sleeving hole and welding between the first resonant rod and the first resonant rod. The resonant rod fixing 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 a cavity equipped with a first resonant rod and a second resonant rod according to an embodiment of the present utility model.
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.
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 5, the embodiment of the utility model discloses a resonant rod fixing structure of a miniaturized filter, the resonant rod fixing structure comprises a cavity 1 and a first resonant rod 2, the cavity 1 is provided with a first cavity 10, the first cavity 10 is opened upwards, the bottom wall of the first cavity 10 is provided with a first resonant column 11 in an upward protruding mode, the middle of the top surface of the first resonant column 11 is provided with a first protruding column 12 in an upward protruding mode, the first resonant rod 2 comprises a first side wall 20 and a lower wall 21 connected to the bottom of the first side wall 20, the lower wall 21 is provided with a first sleeving hole 22 penetrating up and down, the bottom surface of the lower wall 21 is provided with a first tin accommodating groove 23 in a concave mode, the top surface of the lower wall 21 is provided with a first air outlet hole 24 in a concave mode, the first air outlet hole 24 is communicated with the first tin accommodating groove 23, during assembly, the cavity 1 is buckled on the inverted first resonant rod 2 in an inverted mode, the top surface of the first resonant column 11 is combined on the lower wall 21 of the first resonant rod 2 through the first tin accommodating groove 23, and redundant soldering tin is overflowed from the first air outlet hole 24 to the first protruding column 22.
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 interference fit with the first socket hole 22. Because the first boss 12 includes the cylindrical section 121 and the tapered section 122, the first boss 12 can perform a firm interference fit with the first socket hole 22, and can be conveniently and rapidly sleeved with the first socket hole 22.
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 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 fixing structure further comprises a second resonant rod 3, 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, the upper wall 31 is provided with a second sleeving hole 32 penetrating up and down, 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, and the second air outlet hole 34 is communicated with the second tin containing groove 33; 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 arranged in the second tin containing groove 33, redundant soldering tin overflows outwards from the second air outlet hole 34, and the second convex column 15 is in interference fit with the second sleeve hole 32.
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 protruding downward from the cylindrical section 151, the tapered section 152 being for guiding the second socket hole 32, the cylindrical section 151 being in interference fit with the second socket hole 32. Because the second protruding pillar 15 includes the cylindrical section 151 and the tapered section 152, the second protruding pillar 15 can perform a firm interference fit with the second socket hole 32, and is convenient to socket with the second socket hole 32 quickly.
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 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 reliable interference fit, and in the process, if excessive soldering tin exists, the excessive soldering tin overflows outwards through a first air outlet hole 24;
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 tin soldering, and the second convex column 15 and the second sleeve joint hole 32 are reliably in interference fit, and in the process, if excessive tin soldering exists, the tin soldering can overflow outwards through the second air outlet hole 34;
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 convex 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, 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, and when in assembly, the cavity 1 is reversely 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 arranged in the first tin containing groove 23, redundant soldering tin overflows outwards from the first air outlet hole 24, and the first convex column 12 is sleeved on the first sleeving hole 22 in an interference manner, so that the first resonant rod 2 is fastened without arranging redundant parts such as screws, and the first resonant rod 2 can be firmly assembled by utilizing interference fit of the first convex column 12 and the first sleeving hole 22 and welding between the first resonant rod 2 and the first resonant column 11. The middle part of the bottom surface of the second resonance column 14 protrudes downwards and stretches to form a second convex column 15, the second resonance column 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, 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, and when the second resonance column is assembled, the cavity 1 is buckled on the second resonance column 3, wherein the bottom surface of the second resonance column 14 is combined on the upper wall 31 of the second resonance column 3 through soldering tin arranged in the second tin containing groove 33, redundant soldering tin overflows outwards from the second air outlet hole 34, and the second convex column 15 is sleeved on the second sleeving hole 32 in an interference manner, so that the second resonance column 3 is fastened without arranging redundant parts such as screws, and the second resonance column 3 can be firmly assembled by utilizing interference fit of the second convex column 15 and the first sleeving hole 32 and welding between the second resonance column 3 and the second resonance column 14. In addition, the resonant rod fixing structure is simple in structure, easy to assemble, low in manufacturing and material cost and high in production efficiency.
Referring to fig. 1 to 5, the utility model also discloses a miniaturized filter, which comprises the resonant rod fixing 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 convex 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, 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, and when in assembly, the cavity 1 is reversely 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 arranged in the first tin containing groove 23, redundant soldering tin overflows outwards from the first air outlet hole 24, and the first convex column 12 is sleeved on the first sleeving hole 22 in an interference manner, so that the first resonant rod 2 is fastened without arranging redundant parts such as screws, and the first resonant rod 2 can be firmly assembled by utilizing interference fit of the first convex column 12 and the first sleeving hole 22 and welding between the first resonant rod 2 and the first resonant column 11. The resonant rod fixing 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 (7)
1. The utility model provides a miniaturized wave filter's resonance pole fixed knot constructs, its characterized in that, resonance pole fixed knot constructs includes cavity and first resonance pole, the cavity is formed with first cavity, first cavity upwards opens, the diapire of first cavity upwards is protruding to be equipped with first resonance post, the top surface middle part of first resonance post upwards stretches to have first projection, first resonance pole 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, the concave first appearance tin groove that is equipped with in bottom surface of lower wall, the concave first venthole that is equipped with in top surface of lower wall, first venthole with first appearance tin groove intercommunication, during the assembly, the cavity back-off is on first resonance pole of inversion, wherein the top surface of first resonance post is through arranging in first appearance tin groove combines on the lower wall of first resonance pole, unnecessary by first venthole outwards overflows, first solder cup joints the first hole outwards.
2. The resonator rod fixing structure of a miniaturized filter according to claim 1, characterized in that the first stud includes a cylindrical section protruding upward from a top surface of the first stud and a tapered section protruding upward from the cylindrical section, the tapered section being used for guiding the first socket hole, the cylindrical section being in interference fit with the first socket hole.
3. The resonator rod fixing structure of the miniaturized filter according to claim 1, wherein the first tin-accommodating groove and the first air outlet hole are symmetrically arranged at two sides of the first sleeve joint hole.
4. The resonator rod fixing 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 fixing structure further comprises a second resonant rod, the second resonant rod comprises a second side wall and an upper wall connected to the top of the second side wall, the upper wall is provided with a second sleeving hole penetrating up and down, the top surface of the upper wall is concavely provided with a second tin containing groove, the bottom surface of the upper wall is concavely provided with a second air outlet hole, and the second air outlet hole is communicated with the second tin containing groove;
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 arranged in the second tin containing groove, redundant soldering tin overflows outwards from the second air outlet hole, and the second convex column is in interference fit with the second sleeve hole.
5. The resonator rod fixing 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. A miniaturized filter comprising a resonant rod fixation structure according to any one of claims 1 to 5.
7. The miniaturized filter of claim 6 wherein the filter includes multiple sets of the first resonant cylinder and the first resonant rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336894.2U CN219959387U (en) | 2023-05-29 | 2023-05-29 | Resonance rod fixing structure of miniaturized filter and miniaturized filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336894.2U CN219959387U (en) | 2023-05-29 | 2023-05-29 | Resonance rod fixing structure of miniaturized filter and miniaturized filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959387U true CN219959387U (en) | 2023-11-03 |
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ID=88536774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321336894.2U Active CN219959387U (en) | 2023-05-29 | 2023-05-29 | Resonance rod fixing structure of miniaturized filter and miniaturized filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959387U (en) |
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2023
- 2023-05-29 CN CN202321336894.2U patent/CN219959387U/en active Active
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