CN108963401B - Microwave isolator cavity assembly - Google Patents
Microwave isolator cavity assembly Download PDFInfo
- Publication number
- CN108963401B CN108963401B CN201810846358.4A CN201810846358A CN108963401B CN 108963401 B CN108963401 B CN 108963401B CN 201810846358 A CN201810846358 A CN 201810846358A CN 108963401 B CN108963401 B CN 108963401B
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- Prior art keywords
- clamping
- cavity
- microwave isolator
- cover plate
- arms
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010295 mobile communication Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
Landscapes
- Non-Reversible Transmitting Devices (AREA)
Abstract
The invention relates to a cavity component of a microwave isolator, belonging to the field of electronic elements. The side wall of the cavity component of the microwave isolator is provided with a plurality of clamping arms extending upwards, the cover plate is provided with a plurality of clamping grooves, the clamping grooves are arranged at the edge of the cover plate and are provided with openings penetrating through the edge of the cover plate, and when the cover plate is covered on the cavity, the clamping arms penetrate through the corresponding clamping grooves and clamp and fix the cover plate on the cavity. According to the cavity component of the microwave isolator, the bayonet arms on the side walls and the clamping grooves on the cover plate are clamped to fix the microwave isolator in the cavity, so that the processing is convenient, the fixing is firm, the size of the cavity component of the microwave isolator is reduced, and the technical problems of inconvenient threaded matching processing, high cost, larger size or unstable fixing in the microwave isolator in the prior art are solved.
Description
Technical Field
The invention relates to a cavity component of a microwave isolator, belonging to the field of electronic elements.
Background
The outer diameter of the cavity component of the existing microwave isolator of the 4G mobile communication equipment is about 10 millimeters, but the outer diameter of the cavity component of the microwave isolator of the 5G mobile communication equipment needs to be further reduced to about 7 millimeters. The invention patent ZL201420677194.4 published in 2015, 3 and 25 days discloses a microwave isolator for fourth-generation mobile communication equipment, wherein a cavity is provided with external threads, a cover plate is provided with internal threads, the external threads and the cover plate are matched with each other through threads to fix a microwave isolation component, the processing of the threads is time-consuming and labor-consuming, the cost is high, and the cover plate is buckled on the outer side of the cavity, so that the size of the microwave isolator is large. If the cover plate is arranged on the inner side of the cavity in a threaded fit manner, the cavity is easy to stretch outwards, and the microwave isolation assembly is not firmly fixed.
Disclosure of Invention
The invention aims to provide a miniaturized cavity component of a microwave isolator, which solves the technical problems of inconvenient threaded matching processing, high cost, larger size or unstable fixation in the microwave isolator in the prior art.
The invention provides a microwave isolator cavity assembly, which comprises a cavity for accommodating the microwave isolator assembly and a cover plate for packaging the microwave isolator assembly in the cavity, wherein the cavity comprises a bottom wall and a side wall surrounding the bottom wall and extending to the upper side of the bottom wall, the side wall and the bottom wall jointly enclose an inner cavity, a plurality of notches are formed in the side wall from top to bottom, the microwave isolator assembly is provided with a plurality of connecting feet for connecting to a main board of a communication device, when the microwave isolator assembly is installed in the inner cavity from top to bottom, the connecting feet are exposed from the corresponding notches, the side wall is provided with a plurality of clamping arms extending upwards, the cover plate is provided with a plurality of clamping grooves, the clamping grooves are arranged at the edge of the cover plate and provided with openings penetrating through the edge of the cover plate, and when the cover plate is covered on the cavity, the clamping arms penetrate through the corresponding clamping grooves and clamp the cover plate to be fixed on the cavity.
As a further design, the buckle arm comprises a cantilever extending upwards from the side wall and a clamping bamboo shoot protruding to one side at the tail end of the cantilever, a sinking groove is formed in the upper side of the cover plate at the position corresponding to the clamping groove, and the clamping bamboo shoot is accommodated in the sinking groove after passing through the clamping groove.
As a further design, the snap arms corresponding to each snap groove are elastic and arranged in pairs, and the snap shoots of the snap arms are protruded outwards symmetrically.
As a further design, a gap is provided between a pair of buckling arms corresponding to each clamping groove, so that an inward deformation space can be provided when the buckling arms pass through the clamping grooves.
As a further design, the device further comprises a wedge inserted into a gap between the pair of buckling arms from the upper side of the cover plate, wherein the wedge is in interference fit with the pair of buckling arms, and enables the buckling arms to deform outwards, so that the device has a reinforcing effect.
As a further design, the lower side of the clamping bamboo shoots is provided with an outward and upward inclined surface, and when the clamping arms deform outwards, the inclined surface can generate downward pressure on the cover plate.
As a further design, the clamping bamboo shoots are provided with guide surfaces which extend downwards and outwards, and when the cover plate covers the cavity, the guide surfaces are matched with the clamping grooves, so that the clamping bamboo shoots are guided into the clamping grooves.
As a further design, the microwave isolation assembly further comprises an elastic piece arranged on the lower side of the cover plate, wherein the elastic piece enables the microwave isolation assembly to be fixed in the inner cavity with a certain pre-pressure.
As a further design, still include the dismantlement apron instrument of apron top, the extracting tool bottom has with card bamboo shoot complex inclined plane, when extracting tool pushes down, the force that acts on the card bamboo shoot makes the buckle arm to inboard deformation to can be under the condition that does not damage the isolator subassembly, the apron is taken off to the convenience.
As a further design, the whole microwave isolator cavity assembly is cylindrical, and the diameter of the outer contour of the cylindrical microwave isolator cavity assembly is not more than 8 mm.
According to the cavity component of the microwave isolator, the bayonet arms on the side walls and the clamping grooves on the cover plate are clamped to fix the microwave isolator in the cavity, so that the processing is convenient, the fixing is firm, the size of the cavity component of the microwave isolator is reduced, and the technical problems of inconvenient threaded matching processing, high cost, larger size or unstable fixing in the microwave isolator in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 shows an exploded view of a previously designed microwave isolator cavity assembly;
FIG. 2 shows a perspective view of the microwave isolator cavity of FIG. 1;
FIG. 3 shows a perspective view of the cover of FIG. 1;
FIG. 4 shows a perspective view of the microwave isolator cavity assembly of FIG. 1 after assembly;
FIG. 5 shows a schematic view of the microwave isolator cavity assembly of FIG. 4 with the cover plate removed;
FIG. 6 shows a mating view of the microwave isolator cavity and cover plate of the present invention;
FIG. 7 shows a schematic view of the structure of FIG. 6 incorporating cleats;
FIG. 8 shows a first enlarged schematic view of the structure of FIG. 1 incorporating a wedge;
FIG. 9 shows a second enlarged schematic view of the structure-incorporating wedge of FIG. 1;
FIG. 10 shows a third enlarged schematic view of the structure-incorporating wedge of FIG. 1;
in the figure: 100-a microwave isolator cavity assembly; 20-a cavity; 22-a bottom wall; 24-sidewalls; 242-gap; 244-snap arms; 32-cover plate; 320-through grooves; 324-sink; 34-sidewalls; 342-cantilever; 344-clamping bamboo shoots; 346-inclined plane; 348—a guide surface; 350-gap; 38-wedge; 200-a microwave isolator cavity assembly; 444-open slot; 40-cover plate; 50-an elastic member; 60-cavity; 64-sidewalls; 644-snap arms; 70-cover plate; 744-through slot; 90-clamping; 94-bevel groove.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
FIG. 1 shows an exploded view of a previously designed microwave isolator cavity assembly; FIG. 2 shows a perspective view of the microwave isolator cavity of FIG. 1; FIG. 3 shows a perspective view of the cover of FIG. 1; fig. 4 shows a perspective view of the microwave isolator cavity assembly of fig. 1 after assembly. As shown in fig. 1 to 4, a miniaturized microwave isolator cavity assembly 100 is disclosed, and a microwave isolator assembly (not shown) is encapsulated in the microwave isolator cavity assembly 100 to form a microwave isolator, and the microwave isolator is used for a communication device of a 5G mobile communication technology and is used for being mounted on a main board (not shown) of the communication device. The microwave isolator cavity assembly 100 is generally cylindrical in overall shape with an outer contour diameter of 7 mm, although this is not precluded from being sized to be about 7 mm, such as 8 mm, 6 mm, or even 5 mm. The microwave isolator cavity assembly 100 includes a cavity 20 for accommodating a microwave isolator assembly (not shown) and a cover plate 40 for packaging the microwave isolator assembly in the cavity 20, the cavity 20 includes a bottom wall 22 and a side wall 24 surrounding the bottom wall 22 and extending toward an upper side of the bottom wall 22, the side wall 24 and the bottom wall 22 enclose an inner cavity together, a plurality of notches 242 are formed in the side wall 24 from top to bottom, the microwave isolator assembly has a plurality of connection pins (not shown) for connecting to a motherboard of a communication device, after the microwave isolator assembly is mounted in the inner cavity from top to bottom, the connection pins are exposed from the corresponding notches 242, a fixing structure for mutual engagement and interference fit is provided between the side wall 24 and the cover plate 40, and the cover plate 40 is fixed in the cavity 20 by the fixing structure. The cavity 20 and the cover 40 are connected by the above-mentioned interference fit fixing structure, are not easy to loose, do not use easily-melted solder and easily-volatilized adhesive, can resist high temperature, and are convenient to assemble. The fixing structure comprises a clamping arm 244 extending upwards from the side wall 24 of the cavity 20 and a clamping groove formed at the lower side of the cover plate 40, and after the cover plate 40 is covered on the cavity 20, the clamping arm 244 is inserted into the clamping groove and forms interference fit with the clamping groove. The locking groove of the cover plate 40 is formed as an opening groove 444, so that the opening groove 444 can lock the locking arm 244, thereby preventing the cover plate 40 from falling off. The open slot 444 has an opening to the outside of the cover plate 40 so that the slot is closer to the edge of the cover plate 40, facilitating the miniaturized design of the microwave isolator cavity assembly 100.
The microwave isolator cavity assembly 100 further includes an elastic member 50 disposed on the underside of the cover plate 40, the elastic member 50 acting between the microwave isolator assembly and the cover plate 40 to fix the microwave isolator assembly within the cavity with a predetermined pre-pressure.
Fig. 5 shows a schematic view of the microwave isolator cavity assembly of fig. 4 with the cover plate removed. As shown in fig. 5, which shows a prior design for removing the cover plate, the embodiment disclosed is that the cover plate can be removed conveniently without damaging the components, the lower part of the removing clamp 90 has an open bevel groove 94, the two opposite bevels of the bevel groove 94 of the clamp 90 are matched with the guiding surfaces 348 of the clamping lugs 344 of the clamping arms 244 on the cavity 20, the clamping arms 244 are elastically deformed inwards by the bevel force, and when the external size of the clamping lugs 344 is smaller than the opening size of the through groove 320 on the cover plate 40, the cover plate 40 can be removed.
Fig. 6 shows a mating view of the microwave isolator cavity and cover plate of the present invention. Referring to fig. 6, which shows a second prior design, the recess of the cover plate 70 is configured as a through slot 744, the snap arms 644 form inward snap-fit tabs on the upper portions of opposite sides of the side wall 64, and the cover plate 70 is covered on the cavity 60 to form the microwave isolator cavity assembly 200, as shown in fig. 7.
FIG. 8 shows a first enlarged schematic view of the structure of FIG. 1 incorporating a wedge; FIG. 9 shows a second enlarged schematic view of the structure-incorporating wedge of FIG. 1; fig. 10 shows a third enlarged schematic view of the structure of fig. 1 incorporating a wedge. Referring to fig. 8 to 10, a fixing structure of a cavity side wall 34 and a cover plate 32 according to the present invention is shown, the side wall 34 is provided with a plurality of fastening arms (not shown) extending upward, the cover plate 32 is provided with a plurality of through slots 320, and when the cover plate 32 is covered on the cavity, the fastening arms pass through the corresponding through slots 320 and fasten and fix the cover plate 32 to the cavity. The latch arm includes a cantilever 342 extending upward from the side wall 34 and a latch 344 protruding to one side at the end of the cantilever 342, the upper side of the cover 32 is provided with a sink 324 corresponding to the through slot 320, and the latch 344 is received in the sink 324 after passing through the through slot 320. The locking arms corresponding to each through groove 320 are arranged in pairs, and the locking lugs 344 of the locking arms are symmetrical to each other and protrude outward. A gap 350 is provided between a pair of snap arms corresponding to each through slot 320, so as to provide an inward deformation space when the snap arms pass through the through slots 320, and the depth of the gap 350 can adjust the elasticity of the snap arms. To prevent the snap arms from disengaging, a wedge 38 of a gap 350 between the pair of snap arms can be inserted from the upper side of the cover plate 32, the wedge 38 being in interference fit with the pair of snap arms and deforming the snap arms outwardly. The lower side of the clip 344 is provided with an outward and upward inclined surface 346, and when the clip arms deform outward, the inclined surface 346 can push the cover plate 32 downward a certain distance. The clip 344 has a downwardly and outwardly extending guide surface 348, and when the cover 32 is closed over the cavity, the guide surface 348 mates with the channel 320 to guide the clip 344 into the channel 320.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. The utility model provides a microwave isolator cavity subassembly for install on a communication equipment's mainboard, including the cavity that is used for acceping microwave isolator and be used for encapsulating the microwave isolator in the cavity apron, the cavity includes the diapire and encircles the diapire and to the lateral wall that the diapire upside extends, the inner chamber is enclosed jointly with the diapire to the lateral wall, a plurality of breach has been seted up from the top down to the lateral wall, microwave isolator has a plurality of connecting feet that are used for being connected to communication equipment mainboard, when microwave isolator installs in the inner chamber from last down, the connecting foot exposes from the breach that corresponds, a serial communication port, the lateral wall is equipped with a plurality of buckle arms of upwards extending, the apron is equipped with a plurality of draw-in grooves, the draw-in groove sets up in the edge of apron and has the opening that runs through the apron edge, when the apron lid closes on the cavity, the buckle arm passes corresponding draw-in groove and is fixed in the cavity with the apron buckle.
2. A microwave isolator cavity assembly as in claim 1, wherein: the clamping arms comprise cantilevers extending upwards from the side walls and clamping bamboo shoots protruding to one side at the tail ends of the cantilevers, sinking grooves are formed in the upper sides of the cover plates at positions corresponding to the clamping grooves, and the clamping bamboo shoots are accommodated in the sinking grooves after passing through the clamping grooves.
3. A microwave isolator cavity assembly as in claim 2, wherein: the clamping arms corresponding to each clamping groove can be elastically deformed and are arranged in pairs, and the clamping shoots of the clamping arms are symmetrical to each other and protrude outwards.
4. A microwave isolator cavity assembly as in claim 3, wherein: a gap is arranged between a pair of buckling arms corresponding to each clamping groove, so that inward deformation space can be provided when the buckling arms pass through the clamping grooves.
5. A microwave isolator cavity assembly as in claim 4, wherein: the anti-loosening device comprises a cover plate, a pair of clamping arms, a wedge and a pair of locking arms, wherein the wedge is inserted into a gap between the pair of clamping arms from the upper side of the cover plate, is in interference fit with the pair of clamping arms, is embedded between the two clamping arms and is deformed outwards, so that clamping is more firm, and downward pressure is generated on the cover plate.
6. A microwave isolator cavity assembly as in claim 5, wherein: the downside of card bamboo shoot is equipped with outwards upwards inclined plane, when buckle arm warp outwards, the inclined plane will produce down pressure to the apron.
7. A microwave isolator cavity assembly as in claim 3, wherein: the clamping bamboo shoots are provided with guide surfaces which extend downwards and outwards, and when the cover plate is covered on the cavity, the guide surfaces are matched with the clamping grooves, so that the clamping bamboo shoots are guided into the clamping grooves.
8. A microwave isolator cavity assembly as in any of claims 1-7, wherein: the microwave isolation assembly is characterized by further comprising an elastic piece positioned on the lower side of the cover plate, wherein the elastic piece enables the microwave isolation assembly to be fixed in the inner cavity with a certain pre-pressure.
9. A microwave isolator cavity assembly as in claim 4, wherein: the cover plate is characterized by further comprising a detaching tool which is inserted into two sides of the pair of clamping arms from the upper side of the cover plate, wherein the detaching tool is in interference fit with the pair of clamping arms and enables the clamping arms to deform inwards, so that the clamping arms are separated from the clamping grooves, and the cover plate is detached under the condition that the cavity assembly is not damaged.
10. A microwave isolator cavity assembly as in claim 1, wherein: the whole microwave isolator cavity assembly is cylindrical, and the diameter of the outer contour of the cylindrical microwave isolator cavity assembly is not more than 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846358.4A CN108963401B (en) | 2018-07-27 | 2018-07-27 | Microwave isolator cavity assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846358.4A CN108963401B (en) | 2018-07-27 | 2018-07-27 | Microwave isolator cavity assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108963401A CN108963401A (en) | 2018-12-07 |
| CN108963401B true CN108963401B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810846358.4A Active CN108963401B (en) | 2018-07-27 | 2018-07-27 | Microwave isolator cavity assembly |
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| Country | Link |
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| CN (1) | CN108963401B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797609A (en) * | 2019-11-06 | 2020-02-14 | 苏州市浩海精密机械有限公司 | Shear type circulator shell assembly and packaging method thereof |
| CN110911793A (en) * | 2019-11-06 | 2020-03-24 | 苏州市浩海精密机械有限公司 | Circulator shell assembly and disassembling method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202384463U (en) * | 2011-12-28 | 2012-08-15 | 南京广顺电子技术研究所 | Waveguide isolator |
| CN205371181U (en) * | 2016-01-27 | 2016-07-06 | 长城汽车股份有限公司 | Clamping structure |
| WO2016188193A1 (en) * | 2015-05-28 | 2016-12-01 | 华为技术有限公司 | Isolator |
| CN206619678U (en) * | 2017-04-13 | 2017-11-07 | 南京美尔特电子科技有限公司 | A kind of cavity coupler |
| CN208489339U (en) * | 2018-07-27 | 2019-02-12 | 苏州市浩海精密机械有限公司 | Microwave isolator cavity components |
-
2018
- 2018-07-27 CN CN201810846358.4A patent/CN108963401B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202384463U (en) * | 2011-12-28 | 2012-08-15 | 南京广顺电子技术研究所 | Waveguide isolator |
| WO2016188193A1 (en) * | 2015-05-28 | 2016-12-01 | 华为技术有限公司 | Isolator |
| CN205371181U (en) * | 2016-01-27 | 2016-07-06 | 长城汽车股份有限公司 | Clamping structure |
| CN206619678U (en) * | 2017-04-13 | 2017-11-07 | 南京美尔特电子科技有限公司 | A kind of cavity coupler |
| CN208489339U (en) * | 2018-07-27 | 2019-02-12 | 苏州市浩海精密机械有限公司 | Microwave isolator cavity components |
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| Publication number | Publication date |
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| CN108963401A (en) | 2018-12-07 |
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