CN217036004U

CN217036004U - Cassegrain antenna with high isolation and high gain

Info

Publication number: CN217036004U
Application number: CN202220247370.5U
Authority: CN
Inventors: 邓琦乐
Original assignee: Shenzhen Chuanqi Communication Technology Co ltd
Current assignee: Shenzhen Chuanqi Communication Technology Co ltd
Priority date: 2022-01-30
Filing date: 2022-01-30
Publication date: 2022-07-22
Anticipated expiration: 2032-01-30

Abstract

The utility model relates to the technical field of cassegrain antennas, in particular to a cassegrain antenna with high isolation and high gain. The user rotates the commentaries on classics board, can make the second gear rotate through dwang and worm, can the rounding pole of brother can be cut off through the first gear of second gear, revolving stage and main reflector main part rotate, thereby convenience of customers adjusts the horizontal angle of this device, the user rotates the hand, can make the threaded rod withdraw the inside of thread bush through the thread bush, thereby make the change rotate, can adjust the vertical angle of this device through the connecting rod, but this device convenience of customers carries out horizontal direction and vertical direction angle and adjusts, thereby convenience of customers's use reduces use error.

Description

Cassegrain antenna with high isolation and high gain

Technical Field

The utility model relates to the technical field of Cassegrain antennas, in particular to a high-isolation high-gain Cassegrain antenna.

Background

The Cassegrain antenna is an antenna commonly used in microwave communication, which is evolved from a parabola and consists of three parts, namely a main reflector, a secondary reflector and a radiation source, wherein a Cassegrain antenna system mainly ensures that an electromagnetic wave radiated by a primary feed source forms rays parallel to an axis after secondary reflection of a secondary surface and a main surface and generates an equiphase surface on a caliber field of the main surface;

at present, the existing partial Cassegrain antenna is troublesome when the angle is adjusted, so that the adjustment of a user is very difficult, the normal use of the user is further influenced, and a large error can be generated in the serious case.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-isolation high-gain Cassegrain antenna.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-isolation high-gain Cassegrain antenna comprises a base, wherein a rotary table is arranged at the top end of the base, a first rotary groove is formed in the top end of the base, a first tooth groove is formed in the inner wall of the bottom end of the first rotary groove, a rotary rod is connected inside the first rotary groove in a sliding mode, a first gear is arranged inside the first tooth groove, the bottom end of the first gear is connected with the inner wall of the first tooth groove through a bearing, a second tooth groove is formed in the inner wall of one side of the first tooth groove, a second gear is arranged inside the second tooth groove, a second rotary groove is formed in the inner wall of one side of the second rotary groove, a worm is arranged inside the second rotary groove, a rotary groove is formed in the inner wall of one side of the second rotary groove, the rotary groove is rotatably connected with a rotary rod, one end of the rotary rod is fixedly connected with the worm, and a rotary plate is fixedly connected with the other end of the rotary rod, the radiation source device comprises a rotary table, and is characterized in that two groups of support plates are fixedly connected to the top end of the rotary table, a rotary ring is arranged between the support plates, a fixing rod is rotatably connected inside the rotary ring, a main reflector body is arranged on one side of the rotary table, connecting rods are fixedly connected to two ends of the rotary ring, a radiation source body is arranged in the middle of the main reflector body, an auxiliary reflector body is arranged on one side of the main reflector body, and an adjusting mechanism is arranged on one side of the rotary table.

Preferably, adjustment mechanism includes first connecting piece, mounting, second connecting piece, thread bush, threaded rod and commentaries on classics hand, one side of revolving stage is connected with first connecting piece through the pivot, the middle part fixedly connected with mounting of change, the middle part of mounting is connected with the second connecting piece through the pivot, the one end of first connecting piece is connected with the thread bush through the bearing, the inside of thread bush is connected with the threaded rod through the pivot, the middle part fixedly connected with commentaries on classics hand of thread bush, convenience of customers carries out vertical angle and adjusts.

Preferably, the top end of the rotating rod is fixedly connected with the rotary table, the top end of the first gear is fixedly connected with the bottom end of the rotating rod, and one end of the threaded rod is fixedly connected with the second connecting piece, so that transmission is facilitated.

Preferably, one end of the connecting rod is fixedly connected with the main reflector body, the inner diameter of the first rotating groove is matched with the outer diameter of the rotating rod, and the rotating rod is convenient to rotate due to the matched size.

Preferably, both ends of the second gear are connected with the inner wall of the second tooth groove through bearings, the first gear is meshed with the second gear, and the first gear can be driven to rotate through the second gear.

Preferably, one end of the worm is connected with the inner wall of the second rotating groove through a bearing, the worm is meshed with the second gear, and the second gear can be driven to rotate through the worm.

Preferably, both ends of the fixing rod are fixedly connected with the support plate, the inner diameter of the rotating ring is matched with the outer diameter of the fixing rod, and the matched size facilitates rotation of the rotating ring.

Preferably, the control end of the radiation source main body is electrically connected with an external power supply through an external switch, and the control end of the secondary reflector main body is electrically connected with the external power supply through the external switch, so that a user can conveniently control the device to work.

Compared with the prior art, the utility model has the beneficial effects that:

the user rotates the commentaries on classics board, can make second gear revolve through dwang and worm, can house brother commentaries on classics pole through second gear, revolving stage and main reflector body rotate, thereby convenience of customers adjusts the horizontal angle of this device, the user rotates the commentaries on classics hand, can make the threaded rod withdraw the inside of thread bush through the thread bush, thereby make the change rotate, can adjust the vertical angle of this device through the connecting rod, but this device convenience of customers carries out horizontal direction and vertical direction angle and adjusts, thereby convenience of customers's use reduces use error.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional perspective view of the present invention;

FIG. 3 is a schematic cross-sectional perspective view of the base, the first tooth slot and the second tooth slot of the present invention;

FIG. 4 is an exploded perspective view of the base, pivoting lever and pivoting lever of the present invention;

fig. 5 is an exploded perspective view of the turret, threaded sleeve and sub-reflector body of the present invention.

In the figure: 1. a base; 2. a turntable; 3. a first rotary groove; 4. a first tooth slot; 5. a rotating rod; 6. a first gear; 7. a second tooth slot; 8. a second gear; 9. a second rotary groove; 10. a worm; 11. a rotating groove; 12. rotating the rod; 13. rotating the plate; 14. a support plate; 15. rotating the ring; 16. a fixing rod; 17. a main reflector body; 18. a connecting rod; 19. a radiation source body; 20. a sub-reflector body; 21. a first connecting member; 22. a fixing member; 23. a second connecting member; 24. a threaded sleeve; 25. a threaded rod; 26. and (6) turning the hand.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown:

a high-isolation high-gain Cassegrain antenna comprises a base 1, wherein a rotary table 2 is arranged at the top end of the base 1, a first rotary groove 3 is formed at the top end of the base 1, a first tooth groove 4 is formed in the inner wall of the bottom end of the first rotary groove 3, a rotary rod 5 is connected to the inner part of the first rotary groove 3 in a sliding manner, a first gear 6 is arranged in the first tooth groove 4, the bottom end of the first gear 6 is connected with the inner wall of the first tooth groove 4 through a bearing, a second tooth groove 7 is formed in the inner wall of one side of the first tooth groove 4, a second gear 8 is arranged in the second tooth groove 7, a second rotary groove 9 is formed in the inner wall of one side of the second tooth groove 7, a worm 10 is arranged in the second rotary groove 9, a rotary groove 11 is formed in the inner wall of one side of the second rotary groove 9, a rotary rod 12 is rotatably connected to the inner part of the rotary groove 11, one end of the rotary rod 12 is fixedly connected with the worm 10, and a rotary plate 13 is fixedly connected to the other end of the rotary rod 12, the top end of the rotary table 2 is fixedly connected with two groups of support plates 14, a rotary ring 15 is arranged between the support plates 14, a fixed rod 16 is rotatably connected inside the rotary ring 15, a main reflector body 17 is arranged on one side of the rotary table 2, both ends of the rotary ring 15 are fixedly connected with connecting rods 18, a radiation source body 19 is arranged in the middle of the main reflector body 17, an auxiliary reflector body 20 is arranged on one side of the main reflector body 17, and an adjusting mechanism is arranged on one side of the rotary table 2;

furthermore, the control end of the radiation source main body 19 is electrically connected with an external power supply through an external switch, the control end of the secondary reflector main body 20 is electrically connected with the external power supply through the external switch, so that a user can control the device to work conveniently, two ends of the second gear 8 are connected with the inner wall of the second gear groove 7 through bearings, the first gear 6 is meshed with the second gear 8, the first gear 6 can be driven to rotate through the second gear 8, one end of the worm 10 is connected with the inner wall of the second rotating groove 9 through a bearing, the worm 10 is meshed with the second gear 8, the second gear 8 can be driven to rotate through the worm 10, the adjusting mechanism comprises a first connecting piece 21, a fixing piece 22, a second connecting piece 23, a threaded sleeve 24, a threaded rod 25 and a rotating hand 26, one side of the rotating platform 2 is connected with the first connecting piece 21 through a rotating shaft, the middle part of the rotating ring 15 is fixedly connected with the fixing piece 22, the middle part of the fixing part 22 is connected with a second connecting part 23 through a rotating shaft, one end of the first connecting part 21 is connected with a threaded sleeve 24 through a bearing, the inside of the threaded sleeve 24 is connected with a threaded rod 25 through a rotating shaft, the middle part of the threaded sleeve 24 is fixedly connected with a rotating handle 26, a user rotates the rotating handle 26, the rotating handle 26 drives the threaded sleeve 24 to rotate, the threaded rod 25 can be stretched through the threaded sleeve 24, the first connecting part 21 and the second connecting part 23 can perform circular motion while the threaded rod 25 is stretched, meanwhile, the rotating ring 15 can rotate on the surface of the fixing rod 16 through the fixing part 22, the rotating ring 15 can drive the connecting rod 18 to perform circular motion, the connecting rod 18 drives the main reflector body 17, the radiation source body 19 and the secondary reflector body 20 to perform circular motion in the vertical direction, so that the user can conveniently perform vertical angle adjustment, and the two ends of the fixing rod 16 are fixedly connected with the support plate 14, the internal diameter of change 15 and the external diameter looks adaptation of dead lever 16, the size of looks adaptation makes things convenient for the rotation of change 15, the top and the 2 fixed connection of revolving stage 5, the top of first gear 6 and the bottom fixed connection of revolving stage 5, the one end and the 23 fixed connection of second connecting piece of threaded rod 25, make things convenient for the transmission, the one end of connecting rod 18 all with main reflector main part 17 fixed connection, the internal diameter of first rotor groove 3 and the external diameter looks adaptation of revolving stage 5, the size of looks adaptation makes things convenient for the rotation of revolving stage 5.

The working principle is as follows: when a user needs to adjust the angle, the user rotates the rotating plate 13, the rotating plate 13 drives the rotating rod 12 to rotate, the rotating rod 12 drives the worm 10 to rotate, the worm 10 is meshed with the second gear 8, the worm 10 can drive the second gear 8 to rotate in the second tooth space 7, the second gear 8 is meshed with the first gear 6, the second gear 8 can drive the first gear 6 to rotate in the first tooth space 4, the rotating rod 5 is driven by the rotating first tooth space 4 to rotate, the rotating rod 5 drives the rotating platform 2, the fixed rod 16, the main reflector body 17, the connecting rod 18, the radiation source body 19 and the sub-reflector body 20 to rotate, so that the user can conveniently adjust the horizontal angle of the device, after the user adjusts the horizontal angle of the device to a proper angle, the user rotates the rotating hand 26, the rotating hand 26 drives the threaded sleeve 24 to rotate, the threaded rod 25 can be extended and retracted through the threaded sleeve 24, threaded rod 25 can make first connecting piece 21 and second connecting piece 23 carry out circular motion when flexible, can make swivel 15 rotate on the surface of dead lever 16 simultaneously through mounting 22, swivel 15 can drive connecting rod 18 and carry out circular motion, connecting rod 18 drives main reflector main part 17, radiation source main part 19 and secondary reflector main part 20 carry out vertical direction's circular motion, thereby convenience of customers carries out vertical angle and adjusts, this device convenience of customers carries out the regulation of arbitrary angle, thereby reduce use error.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-isolation high-gain Cassegrain antenna, includes base (1), its characterized in that: the top end of the base (1) is provided with a rotary table (2), the top end of the base (1) is provided with a first rotary groove (3), the inner wall of the bottom end of the first rotary groove (3) is provided with a first tooth groove (4), the inner part of the first rotary groove (3) is connected with a rotary rod (5) in a sliding manner, a first gear (6) is arranged inside the first tooth groove (4), the bottom end of the first gear (6) is connected with the inner wall of the first tooth groove (4) through a bearing, the inner wall of one side of the first tooth groove (4) is provided with a second tooth groove (7), a second gear (8) is arranged inside the second tooth groove (7), the inner wall of one side of the second tooth groove (7) is provided with a second rotary groove (9), the inner part of the second rotary groove (9) is provided with a worm (10), the inner wall of one side of the second rotary groove (9) is provided with a rotary groove (11), the inside of rotating groove (11) is rotated and is connected with dwang (12), and the one end and worm (10) fixed connection of dwang (12), the other end fixedly connected with of dwang (12) changes board (13), two sets of extension board (14) of top fixedly connected with of revolving stage (2), be provided with swivel (15) between extension board (14), the inside of swivel (15) is rotated and is connected with dead lever (16), one side of revolving stage (2) is provided with main reflector main part (17), the both ends of swivel (15) are all fixedly connected with connecting rod (18), the middle part of main reflector main part (17) is provided with radiation source main part (19), one side of main reflector main part (17) is provided with subreflector main part (20), one side of revolving stage (2) is provided with adjustment mechanism.

2. A high isolation high gain cassegrain antenna as claimed in claim 1, characterised in that: adjustment mechanism includes first connecting piece (21), mounting (22), second connecting piece (23), thread bush (24), threaded rod (25) and commentaries on classics hand (26), one side of revolving stage (2) is connected with first connecting piece (21) through the pivot, the middle part fixedly connected with mounting (22) of change round (15), the middle part of mounting (22) is connected with second connecting piece (23) through the pivot, the one end of first connecting piece (21) is connected with thread bush (24) through the bearing, the inside of thread bush (24) is connected with threaded rod (25) through the pivot, the middle part fixedly connected with of thread bush (24) changes hand (26).

3. A high isolation high gain cassegrain antenna according to claim 2 in which: the top end of the rotating rod (5) is fixedly connected with the rotary table (2), the top end of the first gear (6) is fixedly connected with the bottom end of the rotating rod (5), and one end of the threaded rod (25) is fixedly connected with the second connecting piece (23).

4. A high isolation high gain cassegrain antenna according to claim 1, characterised in that: one end of the connecting rod (18) is fixedly connected with the main reflector body (17), and the inner diameter of the first rotating groove (3) is matched with the outer diameter of the rotating rod (5).

5. A high isolation high gain cassegrain antenna according to claim 1, characterised in that: both ends of the second gear (8) are connected with the inner wall of the second tooth groove (7) through bearings, and the first gear (6) is meshed with the second gear (8).

6. A high isolation high gain cassegrain antenna as claimed in claim 1, characterised in that: one end of the worm (10) is connected with the inner wall of the second rotary groove (9) through a bearing, and the worm (10) is meshed with the second gear (8).

7. A high isolation high gain cassegrain antenna according to claim 1, characterised in that: both ends of the fixed rod (16) are fixedly connected with the support plate (14), and the inner diameter of the rotary ring (15) is matched with the outer diameter of the fixed rod (16).

8. A high isolation high gain cassegrain antenna according to claim 1, characterised in that: the control end of the radiation source main body (19) is electrically connected with an external power supply through an external switch, and the control end of the secondary reflector main body (20) is electrically connected with the external power supply through the external switch.