Clutch mechanism for antenna adjustment

Abstract

The utility model relates to a clutch mechanism for antenna adjustment. The clutch mechanism comprises a motor; the motor is connected with the 90-degree telescopic mechanism, and an output shaft of the motor is perpendicular to the telescopic direction of the 90-degree telescopic mechanism; the electromagnet is connected with the 90-degree telescopic mechanism; and the rotating block is located at one end of the electromagnet, the rotating block is made of a ferromagnetic material, and the motor drives the electromagnet to be close to or away from the rotating block through the 90-degree telescopic mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to antenna installation equipment technical field especially relates to a clutch mechanism for antenna adjustment. BACKGROUND

[0002] At present, most of the antenna adjustment devices on the market use reduction gearbox up and down, and this structure has the problem of asynchronous up and down, the antenna cannot rotate synchronously up and down, the mechanism is easy to damage, and the service life is not long, and in serious cases, the antenna will be twisted and scrapped. SUMMARY

[0003] In view of the above situation, it is necessary to provide a clutch mechanism for antenna adjustment for facilitating antenna synchronous rotation.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme as follows: a clutch mechanism for antenna adjustment, comprising:

[0005] Motor;

[0006] 90 degree telescopic mechanism, the motor is connected with the 90 degree telescopic mechanism, the output shaft of the motor is perpendicular to the telescopic direction of the 90 degree telescopic mechanism;

[0007] Electromagnet, connected with the 90 degree telescopic mechanism;

[0008] Rotary block, located at one end of the electromagnet, the rotary block is made of ferromagnetic material, the motor drives the electromagnet to approach or away from the rotary block through the 90 degree telescopic mechanism.

[0009] Further, the motor is a forward and reverse motor, the 90 degree telescopic mechanism includes an output gear or an output worm connected with the output shaft, a direction-changing gear meshed with the output gear or the output worm, and a rack meshed with the direction-changing gear, the rack is fixedly connected with the electromagnet or directly arranged on the electromagnet.

[0010] Further, the 90 degree telescopic mechanism includes a rotating wheel, a sliding column and a sliding groove, the sliding column is arranged on the rotating wheel, the sliding groove is arranged in an oval shape, the width of the sliding groove gradually decreases from the middle to both ends, the distance between the two sides of the sliding groove is less than the distance between the two ends of the sliding groove, the distance between the two ends of the sliding groove is equal to the distance between the sliding column and the rotating center of the rotating wheel, and the sliding groove is arranged on the electromagnet or a sliding block connected with the electromagnet.

[0011] Further, the rotary block is cylindrical, and one side of the electromagnet facing the rotary block has an arc-shaped groove matching the contour of the rotary block.

[0012] Further, the 90-degree telescopic mechanism is arranged in a protection box, the protection box has a guide hole for the electromagnet to extend out and a position avoiding hole for the output shaft of the motor to extend into.

[0013] Further, a mounting frame is arranged, the mounting frame comprises a horizontal mounting plate and a vertical mounting plate connected with each other, the motor is mounted on the horizontal mounting plate, and the rotating block is rotatably arranged on the horizontal mounting plate.

[0014] Further, a pole embracing mechanism is arranged, the pole embracing mechanism comprises a first pole embracing frame, a second pole embracing frame and a spacing adjusting connecting piece, the first pole embracing frame is fixedly connected with the vertical mounting plate, the first pole embracing frame is adjustably connected with the second pole embracing frame through the spacing adjusting connecting piece, and the first pole embracing frame and the second pole embracing frame are provided with pole clamping grooves at opposite ends.

[0015] Further, the pole clamping grooves are provided with a plurality of sawteeth.

[0016] Further, an antenna box connecting frame is arranged, and the antenna box connecting frame is fixedly connected with the rotating block.

[0017] Further, the antenna box connecting frame comprises a horizontal connecting frame, a folding connecting frame and a tightness adjusting connecting piece, the horizontal connecting frame and the folding connecting frame are hingedly connected through the tightness adjusting connecting piece, and the horizontal connecting frame is fixedly connected with the rotating block.

[0018] The utility model discloses a beneficial effect lies in: adopting clutch mechanism to replace one of antenna up -down adjusting mechanism, namely only one reduction gearbox, make antenna up -down adjusting mechanism can rotate up -down synchronous adjustment. And, through motor and 90 degrees telescopic mechanism connection, the vertical layout can make the vertical distance of antenna distance vertical pole smaller, has better wind load capacity, second clutch can share the side wind load of reduction gearbox, prolongs the service life of mechanism. When needing to lock the rotating block when using, the motor drives the electromagnet to adhere to the rotating block through the 90-degree telescopic mechanism, and the electromagnet is magnetically attracted to the rotating block, when the rotating block needs to rotate, the motor drives the electromagnet to move away from the rotating block through the 90-degree telescopic mechanism, and the rotating block can rotate freely. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of a clutch mechanism for antenna adjustment of the utility model embodiment,

[0020] Figure 2 It is another direction structure schematic view of a clutch mechanism for antenna adjustment of the utility model embodiment,

[0021] Figure 3is a structural schematic view of a 90-degree telescopic mechanism of a clutch mechanism for antenna adjustment according to an embodiment of the utility model;

[0022] Figure 4 is a structural schematic view of another embodiment of the 90-degree telescopic mechanism of the clutch mechanism for antenna adjustment according to an embodiment of the utility model;

[0023] Figure 5 is a structural schematic view of still another embodiment of the 90-degree telescopic mechanism of the clutch mechanism for antenna adjustment according to an embodiment of the utility model;

[0024] Figure 6 is Figure 5 a partial enlarged structural schematic view.

[0025] Label explanation:

[0026] 100, motor; 110, output shaft; 200, 90-degree telescopic mechanism; 210, output gear;

[0027] 220, output worm; 230, direction-changing gear; 240, rack; 250, rotating wheel; 260, sliding column;

[0028] 270, sliding groove; 300, electromagnet; 310, arc-shaped groove; 400, rotating block; 500, protection box;

[0029] 600, mounting frame; 610, horizontal mounting plate; 611, central shaft; 620, vertical mounting plate;

[0030] 700, pole grasping mechanism; 710, first pole grasping frame; 711, pole grasping slot; 712, sawtooth;

[0031] 720, second pole grasping frame; 730, distance adjustment connecting piece; 800, antenna box connecting frame;

[0032] 810, horizontal connecting frame; 820, folding connecting frame; 830, tightness adjustment connecting piece. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model more clearly and intelligibly, the utility model for antenna adjustment clutch mechanism is further explained in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0034] Please refer to Figures 1-6 A clutch mechanism for antenna adjustment, comprising:

[0035] Motor 100;

[0036] The 90-degree telescopic mechanism 200 is connected with the motor 100, and the output shaft 110 of the motor 100 is perpendicular to the telescopic direction of the 90-degree telescopic mechanism 200.

[0037] The electromagnet 300 is connected with the 90-degree telescopic mechanism 200.

[0038] The rotating block 400 is located at one end of the electromagnet 300, and the rotating block 400 is made of ferromagnetic material. The motor 100 drives the electromagnet 300 to approach or move away from the rotating block 400 through the 90-degree telescopic mechanism 200.

[0039] The clutch mechanism is used to replace one of the antenna up and down adjusting mechanisms, that is, there is only one reduction gearbox, so that the antenna up and down adjusting mechanism can be adjusted synchronously up and down. Moreover, through the connection of the motor 100 and the 90-degree telescopic mechanism 200, the vertical layout can make the vertical distance between the antenna and the stand pole smaller, and has better wind load resistance. In addition, the clutch can share the side wind load of the reduction gearbox, prolonging the service life of the mechanism. When the rotating block 400 needs to be locked, the motor 100 drives the electromagnet 300 to approach the rotating block 400 through the 90-degree telescopic mechanism 200, and the electromagnet 300 is magnetically attracted to the rotating block 400. When the rotating block 400 needs to be rotated, the motor 100 drives the electromagnet 300 to move away from the rotating block 400 through the 90-degree telescopic mechanism 200, and the rotating block 400 can be freely rotated.

[0040] Please refer to Figure 3 and Figure 4 The motor 100 is a reversible motor 100, the 90-degree telescopic mechanism 200 includes an output gear 210 or an output worm 220 connected with the output shaft 110, a direction-changing gear 230 meshing with the output gear 210 or the output worm 220, and a rack 240 meshing with the direction-changing gear 230. The rack 240 is fixedly connected with the electromagnet 300 or directly arranged on the electromagnet 300. It can be understood that the rack 240 is arranged vertically with the output shaft 110 of the motor 100. The output gear 210 is vertically meshed with the direction-changing gear 230. Generally, in order to facilitate rotation, the output gear 210 can adopt a bevel gear. When the output worm 220 is adopted, the direction-changing gear 230 also adopts a worm gear. The worm gear can be indirectly meshed with the rack 240 through a coaxial gear. It can be understood that when the coaxial gear is adopted, the outer diameter of the coaxial gear is greater than the outer diameter of the worm gear.

[0041] Alternatively, please refer to Figure 5 and Figure 6As another embodiment of the utility model, the 90-degree telescopic mechanism 200 comprises a rotating wheel 250, a sliding column 260 and a sliding groove 270, the sliding column 260 is arranged on the rotating wheel 250, the sliding groove 270 is arranged in an oval shape, the width of the sliding groove 270 gradually decreases from the middle to both ends, the distance between both sides of the sliding groove 270 is less than the distance between both ends of the sliding groove 270, the distance between both ends of the sliding groove 270 is equal to the distance between the sliding column 260 and the rotating center of the rotating wheel 250, and the sliding groove 270 is arranged on the electromagnet 300 or a sliding block connected with the electromagnet 300. Similarly, the sliding groove 270 can also be directly arranged on the electromagnet 300.

[0042] Please refer to Figure 1 and Figure 2 The rotating block 400 is in a cylindrical shape, and the side of the electromagnet 300 facing the rotating block 400 is provided with an arc-shaped groove 310 matched with the contour of the rotating block 400. The arc-shaped groove 310 can increase the contact area between the electromagnet 300 and the rotating block 400.

[0043] Please refer to Figure 1 and Figure 2 Further comprising a protection box 500, the 90-degree telescopic mechanism 200 is arranged in the protection box 500, the protection box 500 is provided with a guide hole for the electromagnet 300 to extend out and a position-avoiding hole for the output shaft 110 of the motor 100 to extend in. The protection box 500 not only provides a protection effect, prevents dust and water, but also provides a guide effect for the electromagnet 300 and a bearing stabilizing effect for the output shaft 110.

[0044] Please refer to Figures 1-4 Further comprising a mounting rack 600, the mounting rack 600 comprises a horizontal mounting plate 610 and a vertical mounting plate 620 connected with each other, the motor 100 is mounted on the horizontal mounting plate 610, and the rotating block 400 is rotatably arranged on the horizontal mounting plate 610. Simply, the horizontal mounting plate 610 is provided with a central shaft 611, and the rotating block 400 is directly sleeved on the central shaft 611 or indirectly sleeved on the central shaft 611 through a bearing.

[0045] Please refer to Figures 1-4 Further comprising a pole-holding mechanism 700, the pole-holding mechanism 700 comprises a first pole-holding rack 710, a second pole-holding rack 720 and a distance-adjusting connecting piece 730, the first pole-holding rack 710 is fixedly connected with the vertical mounting plate 620, the first pole-holding rack 710 is adjustably connected with the second pole-holding rack 720 through the distance-adjusting connecting piece 730, and the first pole-holding rack 710 and the second pole-holding rack 720 are provided with a pole-holding slot 711 at the end facing each other. The pole-holding mechanism 700 with adjustable distance can adapt to poles with different diameters. Simply, the distance-adjusting connecting piece 730 can be composed of a screw rod and a nut.

[0046] Please refer to Figures 1-4The sawtooth 712 is adopted to ensure stable connection with the vertical rod.

[0047] Please refer to Figures 1-4 The antenna box connecting frame 800 is fixedly connected with the rotating block 400.

[0048] Please refer to Figures 1-4 The antenna box connecting frame 800 comprises a horizontal connecting frame 810, a folding connecting frame 820 and a tension adjusting connecting piece 830.

[0049] It should be noted that if the embodiment of the utility model has the directional indication (such as up, down, left, right, front, back, etc.), the directional indication is only used to explain the relative position relationship, movement condition, etc.

[0050] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only used for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features.

[0051] In conclusion, the clutch mechanism for antenna adjustment provided by the utility model adopts the clutch mechanism to replace one of the up and down adjusting mechanisms of the antenna, that is, only one reduction gearbox is provided, so that the up and down adjusting mechanism of the antenna can be synchronously rotated and adjusted up and down.

[0052] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make minor changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A clutching mechanism for antenna adjustment, characterized by, include: Electric motor; A 90-degree telescopic mechanism, wherein the motor is connected to the 90-degree telescopic mechanism, and the output shaft of the motor is perpendicular to the telescopic direction of the 90-degree telescopic mechanism; An electromagnet is connected to the 90-degree telescopic mechanism; A rotating block is located at one end of the electromagnet. The rotating block is made of ferromagnetic material. The motor drives the electromagnet to move closer to or away from the rotating block through the 90-degree telescopic mechanism.

2. A clutching mechanism for antenna adjustment according to claim 1, characterized in that The motor is a forward and reverse motor, and the 90-degree telescopic mechanism includes an output gear or output worm connected to the output shaft, a reversing gear meshing with the output gear or output worm, and a rack meshing with the reversing gear. The rack is fixedly connected to the electromagnet or directly mounted on the electromagnet.

3. A clutching mechanism for antenna adjustment according to claim 1, wherein The 90-degree telescopic mechanism includes a rotating wheel, a sliding column, and a sliding groove. The sliding column is disposed on the rotating wheel, and the sliding groove is elliptical in shape. The width of the sliding groove gradually decreases from the middle to both ends. The distance between the two sides of the sliding groove is smaller than the distance between the two ends of the sliding groove. The distance between the two ends of the sliding groove is equal to the distance between the rotation center of the sliding column and the rotating wheel. The sliding groove is disposed on the electromagnet or on the slider connected to the electromagnet.

4. A clutching mechanism for antenna adjustment according to claim 1, wherein The rotating block is cylindrical, and the side of the electromagnet facing the rotating block has an arc-shaped groove that matches the contour of the rotating block.

5. A clutching mechanism for antenna adjustment according to claim 1, wherein It also includes a protective box, in which the 90-degree telescopic mechanism is disposed, and the protective box has a guide hole for the electromagnet to extend out and a clearance hole for the output shaft of the motor to extend into.

6. A clutching mechanism for antenna adjustment according to claim 1, wherein It also includes a mounting bracket, which comprises a connected horizontal mounting plate and a vertical mounting plate, the motor being mounted on the horizontal mounting plate, and the rotating block being rotatably mounted on the horizontal mounting plate.

7. A clutching mechanism for antenna adjustment according to claim 6, wherein It also includes a pole-holding mechanism, which includes a first pole-holding frame, a second pole-holding frame, and a spacing adjustment connector. The first pole-holding frame is fixedly connected to the vertical mounting plate, and the first pole-holding frame is adjustablely connected to the second pole-holding frame through the spacing adjustment connector. The first pole-holding frame and the second pole-holding frame have pole-holding slots at their facing ends.

8. A clutching mechanism for antenna adjustment according to claim 7, wherein The groove of the pole has several serrations.

9. A clutching mechanism for antenna adjustment according to claim 1, wherein, It also includes an antenna box connecting frame, which is fixedly connected to the rotating block.

10. A clutching mechanism for antenna adjustment according to claim 9, wherein, The antenna box connecting frame includes a horizontal connecting frame, a folding connecting frame, and a tension adjustment connector. The horizontal connecting frame and the folding connecting frame are hinged together by the tension adjustment connector, and the horizontal connecting frame is fixedly connected to the rotating block.

Images