CN210926341U

CN210926341U - Width dual-polarized conical horn capable of avoiding noise interference

Info

Publication number: CN210926341U
Application number: CN201922278073.8U
Authority: CN
Inventors: 朱陈浩; 杨慰民; 石恒和
Original assignee: NANJING GUANJUN TECHNOLOGY CO LTD
Current assignee: NANJING GUANJUN TECHNOLOGY CO LTD
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-03
Anticipated expiration: 2029-12-17

Abstract

The utility model provides an avoid noise interference's width double polarization circular cone loudspeaker, the cavity comprises a cavity body, the right side fixedly connected with loudspeaker of cavity, the fixed surface of loudspeaker is connected with inhales the sound cotton, the left side swing joint at cavity top has the electromagnetic interference filter. The utility model discloses an inhale the cotton cooperation of sound, the sound absorbing effect of width double polarization circular cone loudspeaker has been increased, prevent that external noise from disturbing to width double polarization circular cone loudspeaker, cooperation through moving mechanism and installation piece, convenient to use person is with spacing groove joint in spacing post and the installation piece, thereby fix the electromagnetic interference filter, if the user need dismantle the electromagnetic interference filter fast, on the same hand, the user only need rotate the handle can, the process is very convenient quick, the problem that the traditional width double polarization circular cone loudspeaker of avoiding noise jamming hardly carries out the quick dismantlement to the electromagnetic interference filter is solved.

Description

Width dual-polarized conical horn capable of avoiding noise interference

Technical Field

The utility model relates to a horn antenna field especially relates to an avoid noise interference's width double polarization circular cone loudspeaker.

Background

The horn antenna is a surface antenna, a microwave antenna with a circular or rectangular section and a gradually-opened waveguide tube terminal is the most widely used microwave antenna, the radiation field of the horn antenna is determined by the size of the opening surface and the propagation type of the horn, wherein the influence of the horn wall on the radiation can be calculated by utilizing the principle of geometric diffraction, if the length of the horn is kept unchanged, the phase difference between the size of the opening surface and the quadratic power can be increased along with the increase of the opening angle of the horn, but the gain cannot be changed along with the size of the opening surface, and if the frequency band of the horn needs to be expanded, the reflection at the neck part and the opening surface of the horn needs to be reduced; the reflection will decrease as the size of the oral surface increases.

Wherein width double polarization circular cone loudspeaker also is a kind of horn antenna, in order to avoid width double polarization circular cone loudspeaker to receive the interference of noise, people often can be at the fixed surface of width double polarization circular cone loudspeaker and connect the electromagnetic interference filter, the electromagnetic interference filter keeps the inside noise that produces of width double polarization circular cone loudspeaker not outwards to leak, prevent simultaneously that the outside alternating current circuit of width double polarization circular cone loudspeaker from producing noise entering equipment, however electromagnetic interference filter's dismantlement process is too loaded down with trivial details, when the user needs to change the electromagnetic interference filter, the bolt of corrosion is hardly dismantled by quick, very extravagant user's time.

Therefore, it is necessary to provide a wide dual-polarized conical horn avoiding noise interference to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an avoid noise interference's width double polarization circular cone loudspeaker has solved the problem that the traditional width double polarization circular cone loudspeaker of avoiding noise interference hardly carries out quick dismantlement to the electromagnetic interference filter.

For solving the technical problem, the utility model provides a pair of width double polarization circular cone loudspeaker of avoiding noise interference, the cavity comprises a cavity body, the right side fixedly connected with loudspeaker of cavity, loudspeaker's fixed surface is connected with inhales the sound cotton, the left side swing joint at cavity top has the electromagnetic interference filter, the equal swing joint in both sides of electromagnetic interference filter has the fixed case, the bottom of fixed case and the top fixed connection of cavity, the inner chamber of fixed case is provided with moving mechanism.

Preferably, the moving mechanism comprises a handle, a threaded rod, a first fixed block, a movable rod, a second fixed block, a limiting column and a supporting plate, the supporting plate is fixedly connected to the inner side of the bottom of the fixed box cavity, a first thread sleeve is embedded on the outer side of the top of the supporting plate, the first thread sleeve is embedded on the outer side of the top of the fixed box cavity, the threaded rod is connected to the inner cavity thread of the first thread sleeve, the handle is fixedly connected to the top of the threaded rod, the bottom of the threaded rod is in transmission connection with the inner ring of the bearing, the second thread sleeve is connected to the surface thread of the threaded rod, the first fixed block is fixedly connected to the inner side of the second thread sleeve, the movable rod is movably connected to the inner side of the first fixed block through the movable shaft, the second fixed block is movably connected to one side of the movable rod, which is far away from the first fixed block, the bottom, the right side fixedly connected with spacing post of second fixed block, the equal fixedly connected with installation piece in both sides of electromagnetic interference filter bottom, the spacing groove has been seted up in the center department in the installation piece outside, the inboard of spacing post run through fixed case and with the inner chamber swing joint of spacing groove.

Preferably, a first sliding groove is formed in the outer side of the top of the inner cavity of the fixed box, a first sliding block is connected to the inner cavity of the first sliding groove in a sliding mode, and the inner side of the first sliding block penetrates through the inner cavity of the first sliding groove and is fixedly connected with the outer side of the second threaded sleeve.

Preferably, a second sliding groove is formed in the inner side of the top of the supporting plate, a second sliding block is connected to an inner cavity of the second sliding groove in a sliding mode, and the top of the second sliding block penetrates through the inner cavity of the second sliding groove and is fixedly connected with the bottom of the second fixing block.

Preferably, a third sliding groove is formed in the inner side of the top of the inner cavity of the fixed box, a third sliding block is connected to the inner cavity of the third sliding groove in a sliding mode, and the top of the third sliding block penetrates through the inner cavity of the third sliding groove and is fixedly connected with the top of the limiting column.

Preferably, the left side of the top of the cavity is provided with a groove, an inner cavity of the groove is movably connected with the bottom of the electromagnetic interference filter, positioning rods are fixedly connected to the periphery of the bottom of the electromagnetic interference filter, and positioning grooves matched with the positioning rods for use are formed in the periphery of the bottom of the groove.

Preferably, the outside fixedly connected with lug at fixed case top, and the top of lug has the gag lever post through loose axle swing joint, the draw-in groove that the cooperation gag lever post used is seted up to the inboard of handle.

Compared with the prior art, the utility model provides a pair of width double polarization circular cone loudspeaker of avoiding noise interference has following beneficial effect:

the utility model provides a wide dual-polarized conical horn avoiding noise interference,

1. the utility model increases the sound absorption effect of the wide dual-polarized conical horn by the cooperation of the sound absorption cotton, prevents the interference of the external noise to the wide dual-polarized conical horn, and through the cooperation of the moving mechanism and the installation block, the user drives the threaded rod to start rotating by rotating the handle at the moment, and the second thread bush drives the first fixed block to move on the surface of the threaded rod at the moment, thereby driving the movable rod to move, and then driving the second fixed block to move, thereby moving the limit post, so that the user can conveniently clamp the limit post with the limit groove in the installation block, thereby fixing the electromagnetic interference filter, if the user needs to rapidly disassemble the electromagnetic interference filter, the user only needs to rotate the handle, the limit post leaves the inner cavity of the limit groove, and then the user lifts the electromagnetic interference filter upwards, can dismantle the electromagnetic interference filter fast, the process is very convenient quick, has solved the problem that the width double polarization circular cone loudspeaker that the noise interference was avoided to the tradition is difficult to dismantle the electromagnetic interference filter fast.

2. The utility model, through the cooperation of the handle, the threaded rod, the first fixed block, the movable rod, the second fixed block, the limit post and the support plate, the user can rapidly disassemble the electromagnetic interference filter, through the cooperation of the first chute and the first slider, the user can limit the second thread bushing, the stability of the second thread bushing is increased, through the cooperation of the second chute and the second slider, the user can limit the second fixed block, the second fixed block is prevented from deviating greatly in the moving process, the stability of the second fixed block is increased, through the cooperation of the third chute and the third slider, the user can limit the limit post, the stability of the limit post is increased, the limit post is prevented from deviating greatly in the moving process, through the cooperation of the positioning rod and the positioning groove, the user can limit the electromagnetic interference filter, through the cooperation of gag lever post and draw-in groove, convenient to use person fixes the handle, has increased spacing effect of spacing post to the electromagnetic interference filter.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a wide dual-polarized conical horn for avoiding noise interference according to the present invention;

FIG. 2 is a sectional view of the structure of the fixing box shown in FIG. 1;

fig. 3 is a partially enlarged view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a cavity; 2. a horn; 3. sound-absorbing cotton; 4. a fixed box; 5. a moving mechanism; 51. a threaded rod; 52. a handle; 53. a first fixed block; 54. a movable rod; 55. a second fixed block; 56. a limiting column; 57. a support plate; 6. a first chute; 7. a first slider; 8. a second chute; 9. a second slider; 10. a third chute; 11. a third slider; 12. an electromagnetic interference filter; 13. mounting blocks; 14. positioning a rod; 15. and (4) a groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a wide dual-polarized conical horn for avoiding noise interference according to the present invention; FIG. 2 is a sectional view of the structure of the fixing box shown in FIG. 1; fig. 3 is the local enlargements of the A department that fig. 1 shows, a width double polarization circular cone loudspeaker of avoiding noise interference, including cavity 1, the right side fixedly connected with loudspeaker 2 of cavity 1, loudspeaker 2's fixed surface is connected with inhales sound cotton 3, the left side swing joint at 1 top of cavity has electromagnetic interference filter 12, the equal swing joint in both sides of electromagnetic interference filter 12 has fixing box 4, fixing box 4's bottom and cavity 1's top fixed connection, fixing box 4's inner chamber is provided with moving mechanism 5.

Moving mechanism 5 includes handle 52, threaded rod 51, first fixed block 53, movable rod 54, second fixed block 55, spacing post 56 and backup pad 57, the inboard fixedly connected with backup pad 57 of 4 inner chamber bottoms of fixed box, the outside at backup pad 57 top is inlayed and is equipped with first thread bush, the outside at 4 inner chamber tops of fixed box all is inlayed and is equipped with first thread bush, and the inner chamber threaded connection of first thread bush has threaded rod 51, the top fixedly connected with handle 52 of threaded rod 51, the bottom of threaded rod 51 is connected with the inner circle transmission of bearing, the surperficial threaded connection of threaded rod 51 has the second thread bush, and the inboard fixedly connected with first fixed block 53 of second thread bush, the inboard of first fixed block 53 has movable rod 54 through movable shaft swing joint, one side that first fixed block 53 was kept away from to movable rod 54 has second fixed block 55 through movable shaft swing joint, the bottom of second fixed block 55 and the inboard sliding connection at backup pad 57 top, the spacing post 56 of right side fixedly connected with of second fixed block 55, the equal fixedly connected with installation piece 13 in both sides of electromagnetic interference filter 12 bottom, the spacing groove has been seted up to the center department in the installation piece 13 outside, the inboard of spacing post 56 run through fixed case 4 and with the inner chamber swing joint of spacing groove, through the cooperation of handle 52, threaded rod 51, first fixed block 53, movable rod 54, second fixed block 55, spacing post 56 and backup pad 57, convenient to use person carries out quick dismantlement to electromagnetic interference filter 12.

First spout 6 has been seted up in the outside at 4 inner chamber tops of fixed case, the inner chamber sliding connection of first spout 6 has first slider 7, the inboard of first slider 7 run through the inner chamber of first spout 6 and with the outside fixed connection of second thread bush, through the cooperation of first spout 6 and first slider 7, convenient to use person is spacing to the second thread bush, has increased the stability of second thread bush.

Second spout 8 has been seted up to the inboard at backup pad 57 top, the inner chamber sliding connection of second spout 8 has second slider 9, the top of second slider 9 run through the inner chamber of second spout 8 and with the bottom fixed connection of second fixed block 55, through the cooperation of second spout 8 and second slider 9, convenient to use person carries on spacingly to second fixed block 55, prevents that second fixed block 55 from taking place the skew at the removal in-process, has increased the stability of second fixed block 55.

Third spout 10 has been seted up to the inboard at fixed case 4 inner chamber top, the inner chamber sliding connection of third spout 10 has third slider 11, the top of third slider 11 run through the inner chamber of third spout 10 and with spacing post 56's top fixed connection, through the cooperation of third spout 10 and third slider 11, convenient to use person carries on spacingly to spacing post 56, has increased spacing post 56's stability, prevents that spacing post 56 from taking place to squint by a wide margin at the removal in-process.

The left side at cavity 1 top has seted up recess 15, the inner chamber of recess 15 and electromagnetic interference filter 12's bottom swing joint, equal fixedly connected with locating lever 14 all around of electromagnetic interference filter 12 bottom, the constant head tank that cooperation locating lever 14 used is all seted up all around of recess 15 bottom, and through the cooperation of locating lever 14 and constant head tank, convenient to use person carries on spacingly to electromagnetic interference filter 12.

The outside fixedly connected with lug at 4 tops of fixed box, and the top of lug has the gag lever post through loose axle swing joint, the draw-in groove that the cooperation gag lever post used is seted up to the inboard of handle 52, and through the cooperation of gag lever post and draw-in groove, convenient to use person fixes handle 52, has increased spacing effect of spacing post 56 to electromagnetic interference filter 12.

The utility model provides a pair of width double polarization circular cone loudspeaker of avoiding noise interference's theory of operation as follows:

when the electromagnetic interference filter 12 is used, the sound absorption effect of the wide dual-polarized conical horn 2 is increased through the matching of the sound absorption cotton 3, the interference of external noise on the wide dual-polarized conical horn 2 is prevented, a user rotates the handle 52, at the moment, the handle 52 drives the threaded rod 51 to rotate, at the moment, the second threaded sleeve drives the first fixing block 53 to move on the surface of the threaded rod 51, so that the movable rod 54 is driven to move, and then the second fixing block 55 is driven to move, so that the limiting column 56 is moved, so that the limiting column 56 is clamped with the limiting groove in the mounting block 13, and then the electromagnetic interference filter 12 is fixed, if the user needs to rapidly disassemble the electromagnetic interference filter 12, similarly, the user only needs to rotate the handle 52, the limiting column 56 leaves the inner cavity of the limiting groove, and then the user lifts the electromagnetic interference filter 12 upwards, the electromagnetic interference filter 12 can be quickly disassembled, and the process is very convenient and quick.

the utility model increases the sound absorption effect of the width dual-polarized conical horn 2 by the cooperation of the sound absorption cotton 3, prevents the interference of the external noise to the width dual-polarized conical horn 2, and through the cooperation of the moving mechanism 5 and the installation block 13, the user rotates the handle 52, at the moment, the handle 52 drives the threaded rod 51 to rotate, at the moment, the second thread bush drives the first fixed block 53 to move on the surface of the threaded rod 51, thereby driving the movable rod 54 to move, and then driving the second fixed block 55 to move, thereby moving the spacing post 56, the user can conveniently clamp the spacing post 56 with the spacing groove in the installation block 13, thereby fixing the electromagnetic interference filter 12, if the user needs to rapidly disassemble the electromagnetic interference filter 12, the same way, the user only needs to rotate the handle 52, the spacing post 56 leaves the inner cavity of the spacing groove, the user upwards draws electromagnetic interference filter 12 afterwards, can dismantle electromagnetic interference filter 12 fast, and the process is very convenient quick, has solved the problem that the width double polarization circular cone loudspeaker of traditional noise interference of avoiding hardly carries out quick dismantlement to electromagnetic interference filter.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an avoid noise interference's dual polarization circular cone loudspeaker of width, includes cavity (1), its characterized in that: the loudspeaker of the right side fixedly connected with (2) of cavity (1), the fixed surface of loudspeaker (2) is connected with inhales sound cotton (3), the left side swing joint at cavity (1) top has electromagnetic interference filter (12), the equal swing joint in both sides of electromagnetic interference filter (12) has fixed box (4), the bottom of fixed box (4) and the top fixed connection of cavity (1), the inner chamber of fixed box (4) is provided with moving mechanism (5).

2. The width dual-polarized conical horn avoiding noise interference according to claim 1, wherein the moving mechanism (5) comprises a handle (52), a threaded rod (51), a first fixing block (53), a movable rod (54), a second fixing block (55), a limiting column (56) and a supporting plate (57), the supporting plate (57) is fixedly connected to the inner side of the bottom of the inner cavity of the fixing box (4), a first thread sleeve is embedded on the outer side of the top of the supporting plate (57), a first thread sleeve is embedded on the outer side of the top of the inner cavity of the fixing box (4), the threaded rod (51) is in threaded connection with the inner cavity of the first thread sleeve, the handle (52) is fixedly connected to the top of the threaded rod (51), the bottom of the threaded rod (51) is in transmission connection with the inner ring of the bearing, and a second thread sleeve is in threaded connection with the surface of the threaded rod (51), and the first fixed block of inboard fixedly connected with (53) of second thread bush, there is movable rod (54) inboard of first fixed block (53) through loose axle swing joint, there is second fixed block (55) one side of first fixed block (53) is kept away from in movable rod (54), the bottom of second fixed block (55) and the inboard sliding connection at backup pad (57) top, the spacing post of right side fixedly connected with (56) of second fixed block (55), the equal fixedly connected with installation piece (13) in both sides of electromagnetic interference wave filter (12) bottom, the center department in installation piece (13) outside has seted up the spacing groove, the inboard of spacing post (56) runs through fixed box (4) and with the inner chamber swing joint in spacing groove.

3. The width dual-polarized conical horn avoiding noise interference according to claim 1, wherein a first sliding groove (6) is formed in the outer side of the top of the inner cavity of the fixed box (4), a first sliding block (7) is slidably connected to the inner cavity of the first sliding groove (6), and the inner side of the first sliding block (7) penetrates through the inner cavity of the first sliding groove (6) and is fixedly connected with the outer side of the second threaded sleeve.

4. The width dual-polarized conical horn avoiding noise interference according to claim 2, wherein a second sliding groove (8) is formed in the inner side of the top of the supporting plate (57), a second sliding block (9) is connected to the inner cavity of the second sliding groove (8) in a sliding manner, and the top of the second sliding block (9) penetrates through the inner cavity of the second sliding groove (8) and is fixedly connected with the bottom of a second fixing block (55).

5. The width dual-polarized conical horn avoiding noise interference according to claim 1, wherein a third sliding groove (10) is formed in the inner side of the top of the inner cavity of the fixed box (4), a third sliding block (11) is connected to the inner cavity of the third sliding groove (10) in a sliding manner, and the top of the third sliding block (11) penetrates through the inner cavity of the third sliding groove (10) and is fixedly connected with the top of the limiting column (56).

6. The dual-polarized-width conical horn capable of avoiding noise interference according to claim 1, wherein a groove (15) is formed in the left side of the top of the cavity (1), an inner cavity of the groove (15) is movably connected with the bottom of the electromagnetic interference filter (12), positioning rods (14) are fixedly connected to the periphery of the bottom of the electromagnetic interference filter (12), and positioning grooves matched with the positioning rods (14) are formed in the periphery of the bottom of the groove (15).

7. The dual-polarized-width conical horn capable of avoiding noise interference according to claim 2, wherein a bump is fixedly connected to the outer side of the top of the fixed box (4), a limiting rod is movably connected to the top of the bump through a movable shaft, and a clamping groove matched with the limiting rod for use is formed in the inner side of the handle (52).