CN111048875A - Flying rod fixing seat and cavity filter - Google Patents
Flying rod fixing seat and cavity filter Download PDFInfo
- Publication number
- CN111048875A CN111048875A CN201911425868.5A CN201911425868A CN111048875A CN 111048875 A CN111048875 A CN 111048875A CN 201911425868 A CN201911425868 A CN 201911425868A CN 111048875 A CN111048875 A CN 111048875A
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- Prior art keywords
- fixing seat
- flying
- rod fixing
- groove
- flying rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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Abstract
The invention discloses a flying rod fixing seat which is integrally rectangular, wherein a flying rod positioning hole and a lower end opening which penetrate through the flying rod fixing seat from front to back are formed in the lower part of the flying rod fixing seat, the upper end of the lower end opening is communicated with the flying rod positioning hole, the lower end of the lower end opening penetrates through the flying rod fixing seat downwards, the left side and the right side of the flying rod fixing seat are respectively provided with a vertically penetrating mounting clamping groove, the upper part of the flying rod fixing seat is provided with a vertically extending and upwards penetrating groove, the cross section of the groove is rectangular, the front side wall and the rear side wall of the groove are respectively provided with a groove which penetrates through the flying rod fixing seat outwards, the left side and the right side of the groove are respectively close to the two mounting clamping grooves, two elastic beams are respectively formed on the upper sides of the two grooves of the flying rod fixing. The invention can effectively reduce the phenomena of difficult and even impossible installation and shaking after installation.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a flying rod fixing seat and a cavity filter.
Background
Referring to fig. 5, a flybar fixing seat is provided, a flybar positioning hole 91 and a lower end opening 92 are formed at a lower end of the flybar fixing seat, the flybar positioning hole 91 and the lower end opening 92 penetrate through the flybar fixing seat in a longitudinal direction, an upper end of the lower end opening 92 is communicated with the flybar positioning hole 91, a lower end of the lower end opening 92 penetrates through the flybar positioning hole in a downward direction, a width of the lower end opening 92 is smaller than a widest portion of the flybar positioning hole 91, two sliding grooves 93 penetrating through the flybar fixing seat in a vertical direction are formed on two lateral side walls of the flybar fixing seat, and the. However, the flying bar fixing seat is in interference fit with the mounting ribs through the sliding grooves 93, when the width of the sliding groove is too small, the mounting is difficult or even fails, and when the width of the sliding groove is too large, the situation that the flying bar fixing seat shakes after being mounted occurs; moreover, the flying bar fixing seat does not generate extrusion deformation in the vertical direction and the horizontal direction, when the flying bar fixing seat has larger tolerance corresponding to the mounting position, the mounting is difficult or even fails, and when the tolerance is smaller, the shaking phenomenon also occurs, so that the poor index or even the failure occurs.
Disclosure of Invention
The invention aims to provide a flying rod fixing seat which can effectively reduce the phenomena of difficult or even impossible installation and shaking after installation.
Another object of the present invention is to provide a cavity filter, which can effectively reduce the occurrence of the phenomena that the flying bar fixing base is difficult to mount or even cannot be mounted and sways after being mounted.
In order to achieve the above object, the present invention provides a flying bar fixing base, which is a cuboid shape as a whole, the lower part of the flying rod fixing seat is provided with a flying rod positioning hole which penetrates through the front and the back and a lower end opening, the upper end of the lower end opening is communicated with the flying rod positioning hole, the lower end of the lower end opening is downwards penetrated, the left side and the right side of the flying rod fixing seat are respectively provided with a vertically penetrated mounting clamping groove, the upper part of the flying rod fixing seat is provided with a groove which extends vertically and penetrates upwards, the section of the groove is rectangular, the front side wall and the rear side wall of the groove are respectively provided with a slot which penetrates through the flying bar fixing seat outwards, the left side and the right side of the groove are respectively close to the two mounting clamping grooves, two elastic beams are respectively formed on the upper sides of the two slots of the flying rod fixing seat, and the middle part of each elastic beam is provided with a bulge in an upward protruding manner.
Preferably, the slots are formed at the upper parts of the front and rear side walls of the groove.
Preferably, the slot is rectangular.
Preferably, the width of the groove in the left-right direction is at least equal to the width of the widest position of the fly rod positioning hole.
Preferably, a connecting beam is formed between the groove and the fly rod positioning hole, and the vertical length of the groove is far greater than that of the connecting beam.
Preferably, the vertical length of the fly rod positioning hole at the middle position is greater than the vertical length of the connecting beam at the middle position.
Preferably, the width of the lower end opening is at least equal to the widest position of the fly rod positioning hole, and two side walls of the connection position of the lower end opening and the fly rod positioning hole are respectively provided with a stopping portion protruding inwards for stopping the fly rod.
Preferably, the mounting clamping groove comprises a lower clamping groove and an upper clamping groove, the width of the lower clamping groove is larger than that of the upper clamping groove, and the top ends of the two side walls of the lower clamping groove are in inward transition connection with the bottom ends of the two side walls of the upper clamping groove.
Preferably, the bottom end of the lower clamping groove is connected with a guide groove which is opened outwards.
In order to achieve the other purpose, the invention provides a cavity filter, which comprises a cavity, a flying rod fixing seat and a flying rod, wherein an installation position is formed in the cavity, two installation ribs are formed on two sides of the installation position, the flying rod fixing seat is as described above, the flying rod is installed in the flying rod positioning hole, the flying rod fixing seat is vertically installed in the installation position, and the installation ribs are clamped in the installation clamping grooves.
Compared with the prior art, the upper part of the flying rod fixing seat is provided with the rectangular groove which extends vertically and penetrates upwards, the front side wall and the rear side wall of the groove are respectively provided with the groove which penetrates through the flying rod fixing seat outwards, the left side wall and the right side wall of the groove are respectively close to the two mounting clamping grooves, so that when the tolerance of the flying rod fixing seat in the left and right directions relative to the mounting position in the cavity is overlarge, the flying rod fixing seat can be elastically extruded and deformed inwards by the mounting ribs, the phenomenon that the flying rod fixing seat is difficult to mount and even fails to mount due to overlarge tolerance in the left and right directions can be avoided to a great extent, the phenomenon that the machining tolerance is too small due to overlarge tolerance can be effectively prevented, the phenomenon that the flying rod fixing seat shakes after being mounted and even fails due to poor indexes is reduced; moreover, by means of the rectangular frame-shaped design of the upper part of the flying bar fixing seat, the structural strength of the flying bar fixing seat can be ensured on the premise of ensuring the elastic deformation of the flying bar fixing seat. In addition, due to the formation of the elastic beam and the bulge, the phenomenon that the installation is difficult or even fails due to large vertical tolerance and the phenomenon that the installation is shaken due to small tolerance can be effectively reduced. In addition, because recess and elastic beam form on the lateral wall that is different from installation slot, consequently can effectively avoid when receiving the downward excessive extrusion of filter apron because the condition emergence of the installation slot deformation that leads to with the setting of installation slot homonymy, can effectively ensure the stable combination of installation slot and installation rib.
Drawings
Fig. 1 is a schematic perspective view of a flying bar fixing base according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a flying bar fixing base and a flying bar according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is a schematic partial structure diagram of a cavity filter according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a flying bar fixing base in the prior art.
Detailed Description
The following detailed description is given with reference to the accompanying drawings for illustrating the contents, structural features, and objects and effects of the present invention.
Referring to fig. 1 to 4, the present invention discloses a flying bar fixing base 100, the flying bar fixing base 100 is a cuboid, a flying bar positioning hole 1 and a lower end opening 2 penetrating through the flying bar fixing base 100 from front to back are formed at the lower part of the flying bar fixing base 100, the upper end of the lower end opening 2 is communicated with the flying bar positioning hole 1, the lower end of the lower end opening 2 penetrates downward, the flying bar fixing base 100 is provided with mounting slots 3 penetrating vertically at the left and right sides thereof, the flying bar fixing base 100 is provided with a groove 4 extending vertically and penetrating upward at the upper part thereof, the cross section of the groove 4 is a rectangle, the front and rear side walls of the groove 4 are respectively provided with a slot 5 penetrating through the flying bar fixing base 100 outward, the left and right sides of the groove 4 are respectively close to the two mounting slots 3, the flying bar fixing base 100 is respectively provided with two elastic beams 6 at the upper sides.
The upper part of the flying bar fixing seat 100 is provided with a rectangular groove 4 which extends vertically and penetrates upwards, the front side wall and the rear side wall of the groove 4 are respectively provided with a slot 5 which penetrates through the flying bar fixing seat 100 outwards, and the left side wall and the right side wall of the groove 4 are respectively close to the two mounting clamping grooves 3, so that when the tolerance of the flying bar fixing seat 100 relative to the left direction and the right direction of the mounting position 201 in the cavity 200 is overlarge, the flying bar fixing seat 100 can be elastically extruded and deformed inwards by the mounting ribs 202, the phenomenon that the flying bar fixing seat 100 is difficult to mount and even fails to mount due to overlarge tolerance in the left direction and the right direction can be avoided to a great extent, meanwhile, the phenomenon that the machining tolerance is too small due to overlarge tolerance can be effectively prevented, the phenomenon that the flying bar fixing seat 100 shakes after being mounted and even fails due to poor; moreover, due to the rectangular frame-shaped design of the upper portion of the flying bar fixing seat 100, the structural strength of the flying bar fixing seat 100 can be ensured on the premise of ensuring the elastic deformation thereof. In addition, due to the formation of the elastic beam 6 and the protrusion 61, the occurrence of the phenomenon that the installation is difficult or even fails due to the large tolerance in the vertical direction and the phenomenon that the installation is shaken due to the small tolerance can be effectively reduced, and the filter cover plate (not shown) can be reliably abutted. In addition, because recess 4 and elastic beam 6 form on the lateral wall that is different from installing slot 3, consequently can effectively avoid when receiving the downward excessive extrusion of filter apron because the condition emergence of the installing slot 3 deformation that leads to with installing slot 3 homonymy setting can effectively ensure installing slot 3 and the stable combination of installation rib 202.
In some embodiments, the slots 5 are formed at the upper parts of the front and rear side walls of the groove 4, so that damage to the strength of the flying bar fixing base 100 due to the overlong vertical length of the groove 4 can be avoided.
In some embodiments, the slot 5 is rectangular in shape, facilitating the formation of a spring beam 6 on its upper side.
In some embodiments, the width of the groove 4 in the left-right direction is at least equivalent to the width of the widest part of the fly rod positioning hole 1. Through this design, be favorable to flying bar fixing base 100 to be extruded by elasticity in the left and right direction and produce deformation.
In some embodiments, a connection beam 7 is formed between the groove 4 and the fly rod positioning hole 1, and the vertical length of the groove 4 is much greater than that of the connection beam 7, so as to facilitate the fly rod fixing seat 100 to be elastically extruded and deformed in the left-right direction.
In a preferred embodiment, the vertical length of the fly rod positioning hole 1 at the middle position is greater than the vertical length of the connecting beam 7 at the middle position, so as to facilitate the fly rod fixing seat 100 to be elastically deformed in the left-right direction.
In some embodiments, the width of the lower end opening 2 is at least equivalent to the widest part of the fly rod positioning hole 1, and the two side walls of the joint of the lower end opening 2 and the fly rod positioning hole 1 are respectively provided with a stopping part 8 protruding inwards for stopping the fly rod 300. Through this design, be favorable to flying bar fixing base 100 to be extruded by elasticity in the left and right direction and be out of shape.
In some embodiments, the mounting slot 3 includes a lower slot 31 and an upper slot 32, the width of the lower slot 31 is greater than the width of the upper slot 32, and the top ends of the two side walls of the lower slot 31 are connected to the bottom ends of the two side walls of the upper slot 32 in an inward transition manner. The slightly wider lower clamping groove 31 is designed to facilitate assembly with the mounting rib 202, and the slightly narrower upper clamping groove 32 is in interference fit with the mounting rib 202 to ensure stable mounting of the fly rod fixing seat 100.
In a preferred embodiment, the bottom end of the lower slot 31 is connected with a guide slot 33 which is opened outwards, so that the flying bar fixing seat 100 can be assembled quickly.
Referring to fig. 1 to 4, the invention further discloses a cavity filter, which includes a cavity 200, a flying bar fixing seat 100 and a flying bar 300, wherein a mounting position 201 is formed in the cavity 200, two mounting ribs 202 are formed on two sides of the mounting position 201, the flying bar fixing seat 100 is mounted in the flying bar positioning hole 1, the flying bar fixing seat 100 is vertically mounted in the mounting position 201, and the mounting ribs 202 are clamped in the mounting clamping grooves 3, as described in the above embodiment.
According to the invention, the upper part of the flying bar fixing seat 100 is provided with the rectangular groove 4 which vertically extends and upwards penetrates, the front side wall and the rear side wall of the groove 4 are respectively provided with the open groove 5 which outwards penetrates through the flying bar fixing seat 100, and the left side and the right side of the groove 4 are respectively close to the two mounting clamping grooves 3, so that when the tolerance of the flying bar fixing seat 100 relative to the mounting position 201 in the cavity 200 in the left and right directions is overlarge, the flying bar fixing seat 100 can be elastically extruded and deformed inwards by the mounting ribs 202, the phenomenon that the flying bar fixing seat 100 is difficult to mount and even fails to mount due to overlarge tolerance in the left and right directions can be avoided to a great extent, meanwhile, the phenomenon that the machining tolerance is too small due to the overlarge tolerance can be effectively prevented, and the phenomenon that the flying bar fixing seat 100 shakes after being mounted and even fails due to; moreover, due to the rectangular frame-shaped design of the upper portion of the flying bar fixing seat 100, the structural strength of the flying bar fixing seat 100 can be ensured on the premise of ensuring the elastic deformation thereof. In addition, due to the formation of the elastic beam 6 and the protrusion 61, the phenomenon that the installation is difficult or even fails due to large tolerance in the vertical direction and the phenomenon that the installation is shaken due to small tolerance can be effectively reduced. In addition, because recess 4 and elastic beam 6 form on the lateral wall that is different from installing slot 3, consequently can effectively avoid when receiving the downward excessive extrusion of filter apron because the condition emergence of the installing slot 3 deformation that leads to with installing slot 3 homonymy setting can effectively ensure installing slot 3 and the stable combination of installation rib 202.
The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.
Claims (10)
1. The flying rod fixing seat is characterized in that the whole flying rod fixing seat is cuboid, a flying rod positioning hole and a lower end opening which penetrate through the flying rod fixing seat from front to back are formed in the lower portion of the flying rod fixing seat, the upper end of the lower end opening is communicated with the flying rod positioning hole, the lower end of the lower end opening penetrates through the flying rod fixing seat downwards, vertically penetrating mounting clamping grooves are formed in the left side and the right side of the flying rod fixing seat respectively, a groove which extends vertically and penetrates through the flying rod fixing seat upwards is formed in the upper portion of the flying rod fixing seat, the cross section of the groove is rectangular, grooves which penetrate through the flying rod fixing seat outwards are formed in the front side wall and the rear side wall of the groove respectively, the left side and the right side of the groove are close to the two mounting clamping grooves respectively, two elastic beams are formed on the upper sides of the.
2. The fly bar attachment seat of claim 1, wherein said slot is formed in the upper portion of each of the front and rear side walls of said recess.
3. The fly rod attachment seat of claim 1, wherein said slot is rectangular.
4. The fly bar attachment seat of claim 1, wherein the width of the groove in the left-right direction is at least as wide as the widest part of the fly bar positioning hole.
5. The fly rod fixing seat according to claim 1, wherein a connecting beam is formed between the groove and the fly rod positioning hole, and the vertical length of the groove is much greater than that of the connecting beam.
6. The flying bar fixing base of claim 5 wherein the vertical length of the flying bar positioning hole at the middle position is greater than the vertical length of the connecting beam at the middle position.
7. The fly rod fixing seat according to claim 1, wherein the width of the lower end opening is at least equal to the widest part of the fly rod positioning hole, and two side walls of the connection part of the lower end opening and the fly rod positioning hole are respectively provided with a stopping part protruding inwards for stopping the fly rod.
8. The fly rod fixing seat according to claim 1, wherein the mounting slot comprises a lower slot and an upper slot, the lower slot has a width greater than that of the upper slot, and top ends of two side walls of the lower slot are transitionally connected to bottom ends of two side walls of the upper slot.
9. The fly rod fixing base of claim 8, wherein the bottom end of the lower clamping groove is connected with an outward-opening guide groove.
10. A cavity filter is characterized by comprising a cavity, a flying rod fixing seat and a flying rod, wherein a mounting position is formed in the cavity, two mounting ribs are formed on two sides of the mounting position, the flying rod fixing seat is as claimed in any one of claims 1 to 9, the flying rod is mounted in the flying rod positioning hole, the flying rod fixing seat is vertically mounted in the mounting position, and the mounting ribs are clamped in the mounting clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425868.5A CN111048875A (en) | 2019-12-31 | 2019-12-31 | Flying rod fixing seat and cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425868.5A CN111048875A (en) | 2019-12-31 | 2019-12-31 | Flying rod fixing seat and cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111048875A true CN111048875A (en) | 2020-04-21 |
Family
ID=70243674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911425868.5A Pending CN111048875A (en) | 2019-12-31 | 2019-12-31 | Flying rod fixing seat and cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111048875A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964463A (en) * | 2020-07-21 | 2022-01-21 | 大富科技(安徽)股份有限公司 | Filter, flying rod clamping seat and communication equipment |
-
2019
- 2019-12-31 CN CN201911425868.5A patent/CN111048875A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964463A (en) * | 2020-07-21 | 2022-01-21 | 大富科技(安徽)股份有限公司 | Filter, flying rod clamping seat and communication equipment |
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