CN216529299U - Mounting fixture of cavity filter resonance rod - Google Patents
Mounting fixture of cavity filter resonance rod Download PDFInfo
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- CN216529299U CN216529299U CN202122391802.8U CN202122391802U CN216529299U CN 216529299 U CN216529299 U CN 216529299U CN 202122391802 U CN202122391802 U CN 202122391802U CN 216529299 U CN216529299 U CN 216529299U
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Abstract
The utility model belongs to the technical field of wireless communication, and particularly relates to a mounting fixture for a cavity filter resonance rod, which comprises a positioning bottom plate, an elastic pressing plate and a sliding lock catch, wherein the positioning bottom plate is provided with a positioning hole; the elastic pressing plate is arranged above the positioning bottom plate, and a gap for reversely buckling the mounting cavity is formed between the elastic pressing plate and the positioning bottom plate; the top surface of the positioning bottom plate is provided with a plurality of mounting posts for mounting the resonance rod, the bottom surface of the elastic pressure plate is provided with a plurality of spring posts for compressing the bottom surface of the cavity and the resonance rod, and the positioning bottom plate and the elastic pressure plate are detachably connected through the sliding lock catch. When the mounting fixture is adopted to mount the resonant rods into the cavity, all the resonant rods can be mounted on the positioning bottom plate outside the assembly line and then mounted on the cavity again, so that the mounting beat of the assembly line can be effectively shortened, the assembly efficiency is improved, and the mass production can be realized; meanwhile, the installation method is simple and easy to operate.
Description
Technical Field
The utility model belongs to the technical field of wireless communication, and particularly relates to a mounting fixture for a cavity filter resonance rod.
Background
With continuous progress and development of mobile communication technology, the cavity filter is used as a key module in the microwave radio frequency field, especially development and application of 5G communication technology, and miniaturization and lightweight design of the filter become key requirements of application. The resonance bar adopts screw mounting mode and cavity installation together usually, because 5G frequency uprises, cavity and resonance bar volume all dwindles relatively, and the installation effectiveness is low because of the not enough installation space that causes, seriously influences cavity filter's output.
Therefore, a resonant rod installation clamp which is simple and convenient to install, high in assembly efficiency and reliability and beneficial to mass production is needed to overcome the defects of the traditional resonant rod installation method.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the mounting clamp for the cavity filter resonant rod, which is simple in mounting method, easy to operate, high in assembly efficiency and high in reliability.
In order to achieve the purpose, the technical scheme of the utility model is that the mounting fixture for the cavity filter resonant rod comprises a positioning bottom plate, an elastic pressing plate and a sliding lock catch; the elastic pressing plate is arranged above the positioning bottom plate, and a gap for reversely buckling the mounting cavity is formed between the elastic pressing plate and the positioning bottom plate; the top surface of the positioning bottom plate is provided with a plurality of mounting columns for mounting the resonance rod, the bottom surface of the elastic pressing plate is provided with a plurality of spring columns for pressing the bottom surface of the cavity and the resonance rod, and the positioning bottom plate and the elastic pressing plate are detachably connected through the sliding lock catch.
Furthermore, the positioning bottom plate is of a groove structure with two high sides and a low middle part; the cavity is arranged between the concave part in the middle of the positioning bottom plate and the elastic pressing plate, and the mounting column is arranged on the concave part of the positioning bottom plate.
Furthermore, at least two first positioning columns are further arranged on the concave portion in the middle of the positioning bottom plate, and the first positioning columns correspond to the first positioning holes in the cavity in a one-to-one mode and are matched with the first positioning holes in the cavity.
Furthermore, the convex parts at two sides of the positioning bottom plate are respectively provided with a second positioning column, two sides of the elastic pressing plate are respectively provided with a second positioning hole, and the second positioning columns are in one-to-one correspondence with the second positioning holes and are mutually matched.
Furthermore, the spring column comprises a column body, a spring, a limiting plate and a pressing plate for pressing the cavity body, the column body vertically penetrates through the elastic pressing plate, the limiting plate is fixed at one end of the column body extending to the upper part of the elastic pressing plate, and the pressing plate is fixed at one end of the column body extending to the lower part of the elastic pressing plate; the spring is sleeved on the column body, and the spring is located between the elastic pressing plate and the pressing plate.
Further, the sliding lock catch comprises an upper horizontal plate, a lower horizontal plate and a vertical plate for connecting the upper horizontal plate and the lower horizontal plate, and the positioning bottom plate and the elastic pressing plate are arranged between the upper horizontal plate and the lower horizontal plate; the upper horizontal plate is provided with a sliding groove, the top surface of the elastic pressing plate is provided with a screw, and the sliding groove is slidably mounted on the screw.
Furthermore, the two sides of the positioning bottom plate and the two sides of the elastic pressure plate are detachably connected through the sliding lock catch.
Furthermore, the top surface of the elastic pressure plate is provided with a mounting groove, the upper horizontal plate is slidably mounted in the mounting groove, and the screw is fixed on the bottom surface of the mounting groove and is close to the outer edge.
Furthermore, the side edge of the top surface of the lower horizontal plate, which is perpendicular to the sliding direction, is of a chamfer or fillet structure, and/or the side edge of the bottom surface of the upper horizontal plate, which is perpendicular to the sliding direction, is of a chamfer or fillet structure.
Compared with the prior art, the utility model has the following beneficial effects:
(1) when the mounting fixture is used for mounting the resonant rods into the cavity, all the resonant rods can be mounted on the positioning bottom plate outside the line, solder is applied to the bottom surfaces of the resonant rods and then mounted into the cavity again, then the solder is contacted with the bottom surface of the cavity through the elastic pressing plate, and the positioning bottom plate and the elastic pressing plate are buckled through the sliding lock catch and then all the resonant rods are mounted into the cavity at one time through reflow soldering, so that the mounting beat of an assembly line can be effectively shortened, the mounting precision and the mounting efficiency are improved, and the mass production is favorably realized;
(2) the mounting method for mounting the resonance rod into the cavity by using the mounting clamp is simple and easy to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a resonant bar mounted to a locating baseplate of a mounting fixture in an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention with a cavity flipped over on a positioning base plate;
FIG. 3 is a schematic view of a chamber mounted to a positioning plate in an embodiment of the utility model;
FIG. 4 is a schematic view of an embodiment of the present invention with an elastic pressing plate mounted on a positioning base plate;
FIG. 5 is a schematic view of a cavity sandwiched between a resilient platen and a positioning base in an embodiment of the utility model;
FIG. 6 is a schematic structural view of a spring post;
in the figure: 1. a cavity; 11. a first positioning hole; 2. a resonant rod; 3. welding flux; 4. positioning the bottom plate; 41. mounting a column; 42. a first positioning post; 43. a second positioning column; 5. an elastic pressure plate; 51. a spring post; 511. a cylinder; 512. a spring; 513. a limiting plate; 514. a compression plate; 52. a second positioning hole; 6. sliding the lock catch; 61. an upper horizontal plate; 62. a lower horizontal plate; 63. a vertical plate; 64. a chute; 7. and (4) screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, the present embodiment provides a mounting fixture for a cavity filter resonant rod, which includes a positioning bottom plate 4, an elastic pressing plate 5 and a sliding latch 6; the elastic pressing plate 5 is arranged above the positioning bottom plate 4, and a gap for reversely buckling the mounting cavity 1 is formed between the elastic pressing plate 5 and the positioning bottom plate 4; be equipped with a plurality of erection columns 41 that are used for installing resonance rod 2 on the top surface of positioning bottom plate 4, be equipped with on the bottom surface of elastic pressure plate 5 and be used for with a plurality of spring posts 51 that the bottom surface of cavity 1 and resonance rod 2 compress tightly, just positioning bottom plate 4 with elastic pressure plate 5 passes through the connection can be dismantled to slip hasp 6. When the mounting fixture of the embodiment is adopted to mount the resonant rods 2 into the cavity 1, all the resonant rods 2 can be mounted on the positioning bottom plate 4 outside the line, solder 3 is applied to the bottom surface of the resonant rods 2 and then mounted into the cavity 1 again, then the solder 3 is contacted with the bottom surface of the cavity 1 through the elastic pressing plate 5, and after the positioning bottom plate 4 and the elastic pressing plate 5 are buckled through the sliding lock catch 6, all the resonant rods 2 are mounted into the cavity 1 once through reflow soldering, so that the mounting beat of an assembly line can be effectively shortened, the assembly precision and the assembly efficiency are improved, and the batch production is favorably realized; and the installation method is simple and easy to operate.
Furthermore, the positioning bottom plate 4 is of a groove structure with two high sides and a low middle part; the cavity 1 is arranged between the concave part in the middle of the positioning bottom plate 4 and the elastic pressing plate 5, and the mounting column 41 is arranged on the concave part of the positioning bottom plate 4. As shown in fig. 1-3, the positioning base plate 4 of the present embodiment is a groove structure, so as to clamp the cavity 1 between the positioning base plate 4 and the elastic pressing plate 5; the positions of the mounting columns 41 on the positioning bottom plate 4 correspond to the positions of the resonance rods 2 in the cavity 1 one by one, the number of the mounting columns 41 corresponds to the number of the resonance rods 2 one by one, and the resonance rods 2 to be mounted are respectively sleeved on the mounting columns 41 on the positioning bottom plate 4.
Furthermore, at least two first positioning posts 42 are further disposed on the concave portion in the middle of the positioning bottom plate 4, and the first positioning posts 42 correspond to the first positioning holes 11 on the cavity 1 one to one and are matched with each other. This embodiment is with cavity 1 back-off on the location bottom plate 4 of adorning resonance rod 2 to on the first locating hole 11 suit on cavity 1 the first locating post 42 that corresponds on location bottom plate 4, make resonance rod 2 whole mounting on the corresponding position in cavity 1. As an embodiment, as shown in fig. 2, two first positioning holes 11 are respectively disposed at the front end and the rear end of the cavity 1, first positioning posts 42 are disposed at positions on the positioning bottom plate 4 corresponding to the first positioning holes 11, and the two first positioning holes 11 at the front end and the two first positioning holes 11 at the rear end of the cavity 1 are respectively sleeved on the corresponding first positioning posts 42 on the positioning bottom plate 4, so as to accurately position the cavity 1 on the positioning bottom plate 4.
Furthermore, the convex parts on both sides of the positioning bottom plate 4 are respectively provided with a second positioning column 43, both sides of the elastic pressing plate 5 are respectively provided with a second positioning hole 52, and the second positioning columns 43 and the second positioning holes 52 are in one-to-one correspondence and are mutually matched. In this embodiment, the elastic pressing plate 5 is placed above the positioning bottom plate 4, and the second positioning hole 52 on the elastic pressing plate 5 is sleeved on the corresponding second positioning column 43 on the positioning bottom plate 4, so that the elastic pressing plate 5 is accurately positioned on the positioning bottom plate 4. As an embodiment, as shown in fig. 4-5, a second positioning column 43 is disposed on a convex portion on one side of the positioning base plate 4, two second positioning columns 43 are disposed on a convex portion on the other side, and correspondingly, a second positioning hole 52 is disposed on one side of the elastic pressing plate 5, and two second positioning holes 52 are disposed on the other side of the elastic pressing plate 5, when in use, the second positioning hole 52 on one side of the elastic pressing plate 5 is sleeved on the second positioning column 43 on one side of the positioning base plate 4, and the two second positioning holes 52 on the other side of the elastic pressing plate 5 are respectively sleeved on the two second positioning columns 43 on the other side of the positioning base plate 4, so that the elastic pressing plate 5 is accurately positioned on the positioning base plate 4.
Further, the spring column 51 includes a cylinder 511, a spring 512, a limiting plate 513 and a pressing plate 514 for pressing on the cavity 1, the cylinder 511 vertically penetrates the elastic pressing plate 5, the limiting plate 513 is fixed at one end of the cylinder 511 extending above the elastic pressing plate 5, and the pressing plate 514 is fixed at one end of the cylinder 511 extending below the elastic pressing plate 5; the spring 512 is sleeved on the cylinder 511, and the spring 512 is located between the elastic pressing plate 5 and the pressing plate 514. As shown in fig. 4-6, two ends of the cylinder 511 are respectively connected to a limiting plate 513 and a pressing plate 514, and the limiting plate 513 and the pressing plate 514 are both larger than the cylinder 511 and larger than a through hole formed on the elastic pressing plate 5 for the cylinder 511 to pass through, so that the spring column 51 is not separated from the elastic pressing plate 5, and under the action of the elastic pressing plate 5, the spring column 51 can press the cavity 1, so that the bottom surface of the resonant rod 2 is in close contact with the bottom surface of the cavity 1.
Further, the sliding lock catch 6 comprises an upper horizontal plate 61, a lower horizontal plate 62 and a vertical plate 63 for connecting the upper horizontal plate 61 and the lower horizontal plate 62, and the positioning bottom plate 4 and the elastic pressing plate 5 are installed between the upper horizontal plate 61 and the lower horizontal plate 62; the upper horizontal plate 61 is provided with a sliding groove 64, the top surface of the elastic pressing plate 5 is provided with a screw 7, and the sliding groove 64 is slidably mounted on the screw 7. The slip hasp 6 of this embodiment is C groove structure, and the C notch of slip hasp 6 is used for installation positioning bottom plate 4 and elastic pressing plate 5, through with slip hasp 6 to both sides draw and lean on the locking and the pine of realizing positioning bottom plate 4 and elastic pressing plate 5 to the centre to take off, simple structure, convenient operation has improved the efficiency of construction.
Furthermore, both sides of the positioning bottom plate 4 and both sides of the elastic pressing plate 5 are detachably connected through the sliding lock catch 6. As shown in fig. 5, two sides of the positioning base plate 4 having the protruding portion and two sides of the elastic pressing plate 5 having the second positioning hole 52 are detachably connected by the sliding lock catch 6, respectively.
Furthermore, the top surface of the elastic pressure plate 5 is provided with a mounting groove, the upper horizontal plate 61 is slidably mounted in the mounting groove, and the screw 7 is fixed on the bottom surface of the mounting groove and is close to the outer edge. As shown in FIG. 5, one end of the screw 7 passes through the sliding groove 64 from top to bottom and is fixed with the bottom surface of the mounting groove near the outer edge, and the other end is connected with a nut, and the size of the nut is larger than the width of the sliding groove 64.
Furthermore, the top surface of the lower horizontal plate 62 has a chamfered or rounded structure at the side edge perpendicular to the sliding direction, and/or the bottom surface of the upper horizontal plate 61 has a chamfered or rounded structure at the side edge perpendicular to the sliding direction. The embodiment is convenient for the installation of the positioning bottom plate 4 by designing the side edge of the top surface of the lower flat plate 62 into a chamfer or fillet structure; the upper horizontal plate 61 is slid in the mounting groove by designing the side edge of the bottom surface of the upper horizontal plate 61 to be a chamfered or rounded structure.
The embodiment also provides a method for installing the resonant rod in the filter cavity by adopting the installation clamp, which comprises the following steps:
s1, sleeving the resonance rod 2 on the corresponding mounting column 41 on the positioning bottom plate 4, and enabling the mounting surface of the resonance rod 2 for welding with the cavity 1 to face upwards;
s2, applying solder 3 on the installation surface of the resonance rod 2; in the embodiment, the solder is tin-silver-copper alloy, and cream solder or preformed sheet solder can be used according to the requirements of products, processes and equipment; various processes such as printing, tin dispensing, mounting and the like can be adopted when the solder is applied;
s3, inversely buckling the cavity 1 on the positioning bottom plate 4 provided with the resonant rod 2, and sleeving the first positioning hole 11 on the cavity 1 on the corresponding first positioning column 42 on the positioning bottom plate 4, so that the resonant rod 2 is integrally installed at the corresponding position in the cavity 1, and the bottom surface of the cavity 1 is contacted with the solder 3;
s4, buckling the two sides of the elastic pressing plate 5 with the two sides of the positioning bottom plate 4 below the elastic pressing plate through the sliding lock catches 6, and enabling the cavity 1 to be clamped between the elastic pressing plate 5 and the positioning bottom plate 4 of the mounting clamp;
and S5, welding the resonance rod 2 and the cavity 1 together by adopting reflow soldering, and removing the mounting fixture after welding to carry out post-process mounting.
In the embodiment, all the resonant rods 2 to be installed are installed outside the assembly line on the positioning bottom plate 4 of the installation fixture, then the cavity 1 is reversely buckled on the positioning bottom plate 4, and all the resonant rods 2 are installed in the cavity 1 at one time through reflow soldering, so that the installation beat of the assembly line can be shortened, and the assembly efficiency can be improved; and the resonance rod 2 and the cavity 1 are installed in a welding mode without being fixed by screws, so that the weight of the product can be reduced, and the competitiveness of the product is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a mounting fixture of cavity filter resonance bar which characterized in that: comprises a positioning bottom plate, an elastic pressing plate and a sliding lock catch; the elastic pressing plate is arranged above the positioning bottom plate, and a gap for reversely buckling the mounting cavity is formed between the elastic pressing plate and the positioning bottom plate; the top surface of the positioning bottom plate is provided with a plurality of mounting columns for mounting the resonance rod, the bottom surface of the elastic pressing plate is provided with a plurality of spring columns for pressing the bottom surface of the cavity and the resonance rod, and the positioning bottom plate and the elastic pressing plate are detachably connected through the sliding lock catch.
2. The mounting jig for a cavity filter resonance rod as claimed in claim 1, wherein: the positioning bottom plate is of a groove structure with high two sides and low middle; the cavity is arranged between the concave part in the middle of the positioning bottom plate and the elastic pressing plate, and the mounting column is arranged on the concave part of the positioning bottom plate.
3. A mounting jig for a resonator rod of a cavity filter according to claim 2, wherein: the concave part in the middle of the positioning bottom plate is also provided with at least two first positioning columns, and the first positioning columns correspond to the first positioning holes in the cavity in a one-to-one mode and are matched with the first positioning holes in the cavity.
4. A mounting jig for a resonator rod of a cavity filter according to claim 2, wherein: the positioning base plate is provided with a positioning bottom plate, the positioning bottom plate is provided with a convex part, the convex part is provided with a positioning hole, the positioning bottom plate is provided with a positioning hole, the positioning hole is provided with a positioning hole, and the positioning hole is matched with the positioning hole.
5. The mounting jig for a cavity filter resonance rod as claimed in claim 1, wherein: the spring column comprises a column body, a spring, a limiting plate and a pressing plate for pressing the cavity body, the column body penetrates through the elastic pressing plate from top to bottom, the limiting plate is fixed at one end of the column body extending above the elastic pressing plate, and the pressing plate is fixed at one end of the column body extending below the elastic pressing plate; the spring is sleeved on the column body, and the spring is located between the elastic pressing plate and the pressing plate.
6. The mounting jig for a cavity filter resonance rod as claimed in claim 1, wherein: the sliding lock catch comprises an upper horizontal plate, a lower horizontal plate and a vertical plate for connecting the upper horizontal plate and the lower horizontal plate, and the positioning bottom plate and the elastic pressing plate are arranged between the upper horizontal plate and the lower horizontal plate; the upper horizontal plate is provided with a sliding groove, the top surface of the elastic pressing plate is provided with a screw, and the sliding groove is slidably mounted on the screw.
7. The jig for mounting a resonator rod for a cavity filter according to claim 6, wherein: the two sides of the positioning bottom plate are detachably connected with the two sides of the elastic pressing plate through the sliding lock catch.
8. The jig for mounting a resonator rod for a cavity filter according to claim 6, wherein: the elastic pressing plate is characterized in that a mounting groove is formed in the top surface of the elastic pressing plate, the upper horizontal plate is slidably mounted in the mounting groove, and the screws are fixed on the bottom surface of the mounting groove and are close to the outer edge.
9. The jig for mounting a resonator rod for a cavity filter according to claim 6, wherein: the edge of the side of the top surface of the lower horizontal plate, which is perpendicular to the sliding direction, is of a chamfer or fillet structure, and/or the edge of the side of the bottom surface of the upper horizontal plate, which is perpendicular to the sliding direction, is of a chamfer or fillet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122391802.8U CN216529299U (en) | 2021-09-30 | 2021-09-30 | Mounting fixture of cavity filter resonance rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122391802.8U CN216529299U (en) | 2021-09-30 | 2021-09-30 | Mounting fixture of cavity filter resonance rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216529299U true CN216529299U (en) | 2022-05-13 |
Family
ID=81519844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122391802.8U Active CN216529299U (en) | 2021-09-30 | 2021-09-30 | Mounting fixture of cavity filter resonance rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216529299U (en) |
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2021
- 2021-09-30 CN CN202122391802.8U patent/CN216529299U/en active Active
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