CN215418554U

CN215418554U - Device for adjusting diameter of helical antenna

Info

Publication number: CN215418554U
Application number: CN202121377391.0U
Authority: CN
Inventors: 叶国海; 杨星星; 陶华
Original assignee: Nanjing Qianbo Communication Technology Co ltd
Current assignee: Nanjing Qianbo Communication Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-04
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a device for adjusting the diameter of a spiral antenna, which comprises a bottom plate and a spiral antenna body, wherein a supporting seat is fixedly connected to the upper surface of the bottom plate, a cylinder body is fixedly connected to the circumferential inner wall of the supporting seat, a cover body is sleeved on the top end of the cylinder body, a threaded rod is rotatably connected to the upper surface of the cover body, one end of the threaded rod is rotatably connected with the bottom plate, a threaded cylinder is in threaded connection with one side of the threaded rod, a plurality of rotating strips are rotatably connected to one side of the circumference of the threaded cylinder, a connecting block is rotatably connected to one end of each rotating strip, a sliding shaft is fixedly connected to one side of the connecting block, one end of each sliding shaft penetrates through the cylinder body, a double-opening elastic strip is sleeved on one side of each sliding shaft, and a placing opening is formed in one side of each connecting block. The utility model can conveniently adjust the diameter of the spiral antenna under different use conditions, has good flexibility, solves the problem of replacing the spiral antenna during use, and ensures the use of various application scenes.

Description

Device for adjusting diameter of helical antenna

Technical Field

The utility model relates to the technical field of helical antennas, in particular to a device for adjusting the diameter of a helical antenna.

Background

The helical antenna is one of antennas, which can receive and transmit polarized electromagnetic signals rotating in space, and generally comprises a plurality of helical portions and a reflector, wherein the reflector is circular or square, the radius of the helical portion is between one eighth to one quarter of a wavelength, the minimum size of the antenna depends on the frequency of the adopted low-frequency signal, and the radiation pattern of the antenna is related to the diameter of the antenna, so that the diameter of the helical antenna needs to be adaptively adjusted to realize the change of the radiation pattern of the helical antenna.

At present, most of the existing spiral antennas have the following defects: under the different in service behavior, inconvenient adjusting helical antenna's diameter, lead to can only changing helical antenna, influence the use of multiple application scene, to sum up, current helical antenna still can not agree with the actual need well mostly.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a device for adjusting the diameter of a helical antenna, which solves the problems of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a device for adjusting helical antenna diameter, includes bottom plate and helical antenna body, the last fixed surface of bottom plate is connected with the supporting seat, the circumference inner wall fixedly connected with barrel of supporting seat, and the lid has been cup jointed on the top of barrel, and the upper surface of lid rotates and is connected with the threaded rod, and the one end and the bottom plate of threaded rod rotate and are connected, one side threaded connection of threaded rod has a screw thread section of thick bamboo, and the circumference one side of screw thread section of thick bamboo is rotated and is connected with a plurality of rotation strips, and the one end of rotating the strip is rotated and is connected with the connecting block, one side fixedly connected with sliding shaft of connecting block, and the barrel is passed to the one end of sliding shaft, and one side of sliding shaft has cup jointed two opening elastic strips, one side of connecting block all is equipped with puts the mouth, puts the mouth and pegs graft mutually with the helical antenna body.

Furthermore, the top end of the threaded rod is fixedly connected with an adjusting knob.

Furthermore, the bottom of bottom plate fixedly connected with support column, the bottom of support column rotates and is connected with the backing plate.

Furthermore, the upper surface of bottom plate is pegged graft and is had the slide bar, and one side fixedly connected with spacing ring of slide bar, the top fixedly connected with of slide bar carries the button.

Furthermore, a plurality of locating openings are formed in the upper surface of the base plate, one end of the sliding rod is located in the locating openings, and one side of the sliding rod is sleeved with the spring.

Furthermore, the bottom of the backing plate is rotatably connected with a rotating plate, and the bottom end of the rotating plate is rotatably connected with a counterweight plate.

Furthermore, the bottom fixedly connected with slipmat of counterweight plate, and the upper surface integrated into one piece of counterweight plate has a plurality of hollow blocks.

Furthermore, the bottom of backing plate rotates and is connected with the regulating plate, and the both sides of regulating plate rotate with one of them two hollow block and are connected, and the connecting axle is all pegged graft to the both sides of regulating plate, and the connecting axle passes hollow block.

The utility model has the beneficial effects that:

1. this device passes through the setting of inter combination between threaded rod, a screw thread section of thick bamboo, rotation strip and the connecting block, can adjust the diameter size of helical antenna body, even under different in service behavior, also conveniently makes the adjustment to helical antenna's diameter, and the flexibility is good, has solved the problem of changing helical antenna when using, has guaranteed the use of multiple application scene.

2. This device passes through the setting of supporting seat, barrel and lid, can do the protection to the helical antenna body in the barrel, avoids the rainwater to cause the erosion to it, simultaneously, avoids external impact force to cause the damage to the helical antenna body to this life who has promoted the device.

3. This device sets up through the inter combination of support column, backing plate and bottom plate, can adjust the horizontal position of helical antenna body to in receiving different regional signals, promoted the effect that the pluralism of helical antenna body was used.

4. This device passes through the setting of the rotation connected mode of regulating plate and backing plate and weight plate, can do the adjustment to the inclination of helical antenna body, and simultaneously, is done firmly to the device by the weight plate, guarantees the device and receives and the stability of transmitting signal, can avoid the device to produce by the slipmat to rock when receiving bad weather simultaneously to guarantee the device's use.

Drawings

Fig. 1 is a schematic left side perspective view of an apparatus for adjusting a diameter of a helical antenna 1 according to an embodiment of the present invention;

FIG. 2 is a schematic partial sectional view of an apparatus for adjusting the diameter of a helical antenna 1 according to the present invention;

FIG. 3 is a partial schematic internal structure diagram of an embodiment 1 of an apparatus for adjusting the diameter of a helical antenna according to the present invention;

fig. 4 is a schematic diagram of a partially separated structure of an embodiment 1 of an apparatus for adjusting a diameter of a helical antenna according to the present invention;

fig. 5 is a right side perspective view of an apparatus for adjusting a diameter of a helical antenna according to embodiment 1 of the present invention.

FIG. 6 is a schematic perspective view of an embodiment 2 of an apparatus for adjusting the diameter of a helical antenna according to the present invention

In the figure: 1. a base plate; 2. a supporting seat; 3. a barrel; 4. a cover body; 5. a threaded rod; 6. a threaded barrel; 7. rotating the strip; 8. connecting blocks; 9. a sliding shaft; 10. a double-opening elastic strip; 11. placing the opening; 12. a helical antenna body; 13. adjusting a knob; 14. a support pillar; 15. a base plate; 16. a slide bar; 17. a limiting ring; 18. a spring; 19. lifting the button; 20. positioning the opening; 21. a rotating plate; 22. a weight plate; 23. a non-slip mat; 24. a hollow block; 25. an adjusting plate; 26. and (7) connecting the shafts.

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.

Example 1

Referring to fig. 1-5, a device for adjusting the diameter of a helical antenna comprises a bottom plate 1 and a helical antenna body 12, wherein a support seat 2 is fixed on the upper surface of the bottom plate 1 through bolts, a barrel 3 is fixed on the circumferential inner wall of the support seat 2 through bolts, a cover 4 is sleeved on the top end of the barrel 3, the support seat, the barrel 3 and the cover 4 are designed to protect the helical antenna body 12 in the barrel 3 and prevent rainwater from corroding the helical antenna body, meanwhile, the helical antenna body 12 is prevented from being damaged by external impact force, so that the service life of the device is prolonged, the upper surface of the cover 4 is rotatably connected with a threaded rod 5, one end of the threaded rod 5 is rotatably connected with the bottom plate 1, one side of the threaded rod 5 is in threaded connection with a threaded barrel 6, one side of the circumference of the threaded barrel 6 is rotatably connected with a plurality of rotating strips 7, one end of each rotating strip 7 is rotatably connected with a connecting block 8, there is sliding shaft 9 one side of connecting block 8 through the bolt fastening, barrel 3 is passed to sliding shaft 9's one end, and two opening elastic strip 10 have been cup jointed to one side of sliding shaft 9, one side of connecting block 8 all is equipped with puts mouthful 11, it pegs graft mutually with helical antenna body 12 to put mouthful 11, threaded rod 5, thread section of thick bamboo 6, the design of inter combination between rotation strip 7 and the connecting block 8, can adjust helical antenna body 12's diameter size, even under different in service behavior, also conveniently make the adjustment to helical antenna's diameter, the flexibility is good, the problem of changing helical antenna when having solved the use, the use of multiple application scene has been guaranteed.

Wherein, the top of the threaded rod 5 is fixed with an adjusting knob 13 through a bolt, the bottom of the bottom plate 1 is fixed with a supporting column 14 through a bolt, the bottom end of the supporting column 14 is rotatably connected with a backing plate 15, the mutual combination design of the supporting column 14, the backing plate 15 and the bottom plate 1 can adjust the horizontal position of the spiral antenna body 12 so as to receive signals of different areas, thereby ensuring the diversified application effect of the spiral antenna body 12, the upper surface of the bottom plate 1 is inserted with a sliding rod 16, one side of the sliding rod 16 is fixed with a limiting ring 17 through a bolt, the top end of the sliding rod 16 is fixed with a lifting button 19 through a bolt, the upper surface of the backing plate 15 is provided with a plurality of positioning ports 20, one end of the sliding rod 16 is positioned in the positioning port 20, one side of the sliding rod 16 is sleeved with a spring 18, the limiting ring 17 is pressed by the spring 18, thereby enabling the limiting ring 17 and the sliding rod 16 to move downwards, and one end of the sliding rod 16 is positioned in one of the positioning openings 20, thereby fixing the adjusted angle of the device.

The working principle of the embodiment is as follows: when the diameter of the helical antenna needs to be adjusted to be large, the adjusting knob 13 is rotated to drive the threaded rod 5 to rotate, under the action of the threads of the threaded rod 5, the threaded cylinder 6 moves downwards, one end of the rotating strip 7 close to the threaded cylinder 6 moves downwards, the rotating strip 7 is utilized to push the connecting block 8 to approach the circumferential inner wall of the cylinder 3, the double-opening elastic strip 10 is compressed, meanwhile, the connecting block 8 drives the diameter of the helical antenna body 12 to stretch, at the moment, the diameter of the helical antenna body 12 is increased, when the diameter of the helical antenna body 12 needs to be adjusted, the adjusting knob 13 is rotated reversely, the diameter of the helical antenna body 12 can be adjusted to be small, the flexibility is good, meanwhile, the rotating connection mode of the supporting column 14 and the backing plate 15 is utilized to adjust the horizontal position of the helical antenna body 12, so as to receive signals of different areas, and the diversified application of the helical antenna body 12 is increased, next, the retainer ring 17 is pressed by the spring 18, so that the retainer ring 17 and the slide rod 16 move downward, and one end of the slide rod 16 is located in one of the positioning openings 20, thereby fixing the adjusted angle of the device.

Example 2

Referring to fig. 6, a device for adjusting the diameter of a helical antenna, further comprising a rotating plate 21 rotatably connected to the bottom of a backing plate 15, a weight plate 22 rotatably connected to the bottom end of the rotating plate 21, the weight plate 22 stabilizes the device to ensure the stability of the device in receiving and transmitting signals, a non-slip mat 23 adhered to the bottom of the weight plate 22, the non-slip mat 23 being capable of preventing the device from shaking in bad weather to ensure the use of the device, a plurality of hollow blocks 24 integrally formed on the upper surface of the weight plate 22, an adjusting plate 25 rotatably connected to the bottom of the backing plate 15, an inclination angle of a connecting shaft of the helical antenna body 12 being adjusted by rotatably connecting the adjusting plate 25 with the backing plate 15 and the weight plate 22, two sides of the adjusting plate 25 rotatably connected with one of the two hollow blocks 24, and two sides of the adjusting plate 25 being inserted with 26, the connecting shaft 26 passes through the hollow block 24.

The working principle of the embodiment is as follows: during the use, utilize regulating plate 25 and backing plate 15 and weight plate 22's rotation connected mode, can make the adjustment to the inclination of spiral antenna body 12, simultaneously, do firmly to the device by weight plate 22, guarantee the device and receive and transmit signal's stability, can avoid the device to produce by slipmat 23 simultaneously and rock when receiving bad weather to guarantee the device's use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Claims

1. A device for adjusting the diameter of a spiral antenna comprises a bottom plate (1) and a spiral antenna body (12) and is characterized in that a supporting seat (2) is fixedly connected to the upper surface of the bottom plate (1), a cylinder body (3) is fixedly connected to the inner wall of the circumference of the supporting seat (2), a cover body (4) is sleeved on the top end of the cylinder body (3), a threaded rod (5) is rotatably connected to the upper surface of the cover body (4), one end of the threaded rod (5) is rotatably connected with the bottom plate (1), a threaded cylinder (6) is in threaded connection with one side of the threaded rod (5), a plurality of rotating strips (7) are rotatably connected to one side of the circumference of the threaded cylinder (6), a connecting block (8) is rotatably connected to one end of each rotating strip (7), a sliding shaft (9) is fixedly connected to one side of the connecting block (8), one end of the sliding shaft (9) penetrates through the cylinder body (3), and a double-opening elastic strip (10) is sleeved on one side of the sliding shaft (9), one side of the connecting block (8) is provided with a placing opening (11), and the placing opening (11) is connected with the spiral antenna body (12) in an inserting mode.

2. A device for adjusting the diameter of a helical antenna according to claim 1, characterized in that the top end of the threaded rod (5) is fixedly connected with an adjusting knob (13).

3. A device for adjusting the diameter of a helical antenna according to claim 1, wherein the bottom of the base plate (1) is fixedly connected with a supporting column (14), and the bottom end of the supporting column (14) is rotatably connected with a backing plate (15).

4. The device for adjusting the diameter of a helical antenna according to claim 3, wherein a sliding rod (16) is inserted into the upper surface of the base plate (1), a limiting ring (17) is fixedly connected to one side of the sliding rod (16), and a lifting button (19) is fixedly connected to the top end of the sliding rod (16).

5. The device for adjusting the diameter of the helical antenna according to claim 4, wherein the upper surface of the backing plate (15) is provided with a plurality of positioning holes (20), one end of the sliding rod (16) is positioned in the positioning holes (20), and one side of the sliding rod (16) is sleeved with the spring (18).

6. A device for adjusting the diameter of a helical antenna according to claim 5, wherein the bottom of the backing plate (15) is rotatably connected with a rotating plate (21), and the bottom end of the rotating plate (21) is rotatably connected with a counterweight plate (22).

7. The device for adjusting the diameter of a helical antenna according to claim 6, wherein a non-slip pad (23) is fixedly connected to the bottom of the weight plate (22), and a plurality of hollow blocks (24) are integrally formed on the upper surface of the weight plate (22).

8. The device for adjusting the diameter of a helical antenna according to claim 7, wherein the bottom of the backing plate (15) is rotatably connected with an adjusting plate (25), two sides of the adjusting plate (25) are rotatably connected with one of the two hollow blocks (24), two sides of the adjusting plate (25) are respectively inserted with a connecting shaft (26), and the connecting shafts (26) penetrate through the hollow blocks (24).