CN212485538U

CN212485538U - Antenna bracket for broadcast television engineering technology

Info

Publication number: CN212485538U
Application number: CN202021672460.6U
Authority: CN
Inventors: 李杨文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-02-05
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses an antenna boom for broadcast television engineering technique, including mount, set casing and worm, the mount outside is rotated and is connected with the stabilizer blade, and stabilizer blade outside sliding connection has the slider, mount middle part sliding connection has the mobile jib, and the mobile jib downside rotates and is connected with the connecting rod, one side that the mobile jib was kept away from to the connecting rod is rotated with the slider and is connected, the mobile jib bottom is rotated and is connected with the bolt, the set casing is installed at mobile jib top and rotary rod top, and the rotary rod setting is in the mobile jib top. This antenna boom for broadcasting and television engineering technique is provided with gear and worm, the rotatory handle of pulling, make the spacer pin on the rotatory handle break away from with being connected of set casing, rotate rotatory handle, rotatory handle passes through the worm and drives gear revolve, and the gear drives rotary rod or connecting axle and rotates, the drive ratio of rotatory handle with the gear has been enlargied to the characteristic of worm, the even accurate rotary rod and the connecting axle of being convenient for, it is more convenient to use.

Description

Antenna bracket for broadcast television engineering technology

Technical Field

The utility model relates to an antenna boom technical field specifically is an antenna boom for broadcast television engineering technique.

Background

The satellite antenna is a receiving device for receiving signals transmitted by a satellite, and in order to fix the satellite antenna, an antenna support is generally used, and through mass search, the existing antenna support is found to be typically as follows: CN201822171512.0, a novel broadcast television engineering antenna bracket, which comprises a base and a broadcast television engineering antenna, wherein the broadcast television engineering antenna rotates around the bolt by a certain angle. The utility model is used for support the broadcast television engineering antenna.

To sum up, current antenna boom is not provided with the structure of accurate adjustment antenna boom rotation angle, has increaseed user's the operation degree of difficulty for the user can't be accurate quick rotatory this antenna boom to appointed angle, and current antenna boom is fixed knot structure, and it can't be accomodate or disassemble and deposit, and area occupied is great, and the not convenient to use user carries the use, makes this antenna boom use get up and has certain limitation, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antenna boom for broadcast and television engineering technology, the current antenna boom who provides in solving above-mentioned background art is not provided with the structure of accurate adjustment antenna boom rotation angle, user's the operation degree of difficulty has been increaseed, make that the user can't be accurate quick rotatory this antenna boom to appointed angle, and current antenna boom is fixed knot structure, it can't accomodate or disassemble and deposit, and area occupied is great, the person of not being convenient for carries the use, make this antenna boom use the problem that has certain limitation.

In order to achieve the above object, the utility model provides a following technical scheme: an antenna bracket for the broadcast television engineering technology comprises a fixed frame, a fixed shell and a worm,

the fixing frame is rotatably connected with support legs, the outer sides of the support legs are slidably connected with sliding blocks, the middle of the fixing frame is slidably connected with a main rod, the lower side of the main rod is rotatably connected with a connecting rod, one side of the connecting rod, far away from the main rod, is rotatably connected with the sliding blocks, and the bottom of the main rod is rotatably connected with a bolt;

the fixing shell is mounted at the top of the main rod and the top of the rotary rod, the rotary rod is arranged above the main rod, a support is arranged above the rotary rod, a connecting shaft is fixed on the lower side of the support, the fixing shell is rotatably connected to the outer side of the connecting shaft and the bottom of the rotary rod, and gears are fixed on the connecting shaft and the bottom of the rotary rod;

the worm, the worm rotates to be connected inside the set casing, and the worm is connected with gear engagement, worm one side runs through the set casing and spline connection has rotatory handle, and the rotatory handle is close to one side of worm and is connected with the set casing through the spacer pin.

Preferably, the number of the support legs is three, and the three support legs are arranged in a shape like a Chinese character pin with the center line of the main rod as the center.

Preferably, the central line of the main rod and the central line of the rotating rod are positioned on the same vertical line.

Preferably, the bolts are three, and the three bolts arranged in the shape of the Chinese character pin and the three support legs are arranged in a staggered manner.

Preferably, the centre line of the gear is perpendicular to the centre line of the worm.

Preferably, the length of the limit pin is smaller than the spline connection distance between the rotating handle and the worm.

Compared with the prior art, the beneficial effects of the utility model are that: the antenna bracket for the broadcast television engineering technology,

(1) the antenna bracket is provided with a rotary rod and a sliding block, the main rod slides downwards along the fixing frame until the lower side of the main rod moves below the fixing frame, meanwhile, the main rod pulls the sliding block to move downwards through the rotary rod, and the three support legs are contracted through the sliding block, so that the occupied area of the antenna bracket is reduced, the antenna bracket is convenient to carry and move, and the practicability is higher when the antenna bracket is used;

(2) be provided with gear and worm, the rotatory handle of pulling makes the spacer pin on the rotatory handle break away from with being connected of set casing, rotates rotatory handle, and rotatory handle passes through the worm and drives gear revolve, and the gear drives rotary rod or connecting axle and rotates, and the transmission ratio of rotatory handle with the gear has been enlargied to the characteristic of worm, the even accurate rotary rod and the connecting axle of being convenient for, it is more convenient to use.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the top-view cross-sectional structure of the fixing frame of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the front view of the unfolding structure of the present invention.

In the figure: 1. the device comprises a fixing frame, 2, supporting legs, 3, a sliding block, 4, a main rod, 5, a connecting rod, 6, a bolt, 7, a fixing shell, 8, a rotating rod, 9, a support, 10, a connecting shaft, 11, a gear, 12, a worm, 13, a rotating handle, 14 and a limiting pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an antenna bracket for broadcast television engineering technology is disclosed, as shown in figure 1, figure 2 and figure 3, the outer side of a fixed frame 1 is rotatably connected with a support leg 2, the outer side of the support leg 2 is slidably connected with a sliding block 3, the number of the support legs 2 is three, and the three support legs 2 are arranged in a 'pin' shape by taking the central line of a main rod 4 as the center, so that the three support legs 2 uniformly support the fixed frame 1, the middle part of the fixed frame 1 is slidably connected with the main rod 4, the lower side of the main rod 4 is rotatably connected with a connecting rod 5, the central line of the main rod 4 and the central line of a rotating rod 8 are positioned on the same vertical line, so that the rotating rod 8 is more stable when rotating, one side of the connecting rod 5 far away from the main rod 4 is rotatably connected with the sliding block 3, the bottom of the main rod 4 is rotatably connected with, the fixing frame 1 is connected with the bottom of the main rod 4 more tightly.

As shown in fig. 1, 4 and 5, a fixed shell 7 is installed on the top of a main rod 4 and the top of a rotating rod 8, the rotating rod 8 is arranged above the main rod 4, a bracket 9 is arranged above the rotating rod 8, a connecting shaft 10 is fixed on the lower side of the bracket 9, the fixed shell 7 is rotatably connected on the outer side of the connecting shaft 10 and the bottom of the rotating rod 8, a gear 11 is fixed on the connecting shaft 10 and the bottom of the rotating rod 8, the central line of the gear 11 is perpendicular to the central line of a worm 12, so that the worm 12 drives the gear 11 to rotate, the worm 12 is rotatably connected inside the fixed shell 7, the worm 12 is meshed with the gear 11, one side of the worm 12 penetrates through the fixed shell 7 and is in splined connection with a rotating handle 13, one side of the rotating handle 13 close to the worm 12 is connected with the fixed shell 7 through a limiting pin 14, and the length, the stopper pin 14 of the rotary handle 13 is disengaged from the fixed shell 7, and then the rotary handle 13 is rotated and the worm 12 is rotated.

The working principle is as follows: when the antenna bracket for the broadcast television engineering technology is used, firstly, the main rod 4 is pulled to enable the main rod 4 to slide upwards along the fixing frame 1 until the lower side of the main rod 4 is attached to the bottom of the fixing frame 1, the bolt 6 is rotated and is in threaded connection with the bottom of the fixing frame 1, the fixing frame 1 is connected and fastened with the main rod 4, meanwhile, the connecting rod 5 drives the sliding block 3 to move upwards along the support legs 2, the support legs 2 are outwards rotated by taking the support legs 2 and the fixing frame 1 as centers until the three support legs 2 are opened, the three support legs 2 arranged in a shape like a Chinese character 'pin' play a role in supporting the fixing frame 1 and the main rod 4, similarly, the antenna bracket is stored through reverse operation, the antenna bracket is convenient to carry to move, when a satellite antenna needs to be adjusted, the rotating handle 13 is pulled to enable the limiting pin 14 on the rotating handle 13 to be disconnected with the fixing frame 7, the gear 11 drives the connecting rod 5 or drives the bracket 9 to rotate through the connecting shaft 10, so that the horizontal angle and the elevation angle of the satellite antenna installed on the bracket 9 can be conveniently adjusted, the transmission ratio between the rotary handle 13 and the gear 11 is increased due to the characteristics of the worm 12, the precision of angle adjustment is further improved, the rotary handle 13 is pushed after the angle adjustment is completed, the limit pin 14 on the rotary handle 13 is embedded into the fixed shell 7 to play a role in locking the worm 12, and all work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an antenna boom for broadcast television engineering technique, includes mount (1), set casing (7) and worm (12), its characterized in that:

the fixing frame (1), the outer side of the fixing frame (1) is rotatably connected with a support leg (2), the outer side of the support leg (2) is slidably connected with a sliding block (3), the middle part of the fixing frame (1) is slidably connected with a main rod (4), the lower side of the main rod (4) is rotatably connected with a connecting rod (5), one side, away from the main rod (4), of the connecting rod (5) is rotatably connected with the sliding block (3), and the bottom of the main rod (4) is rotatably connected with a bolt (6);

the fixing device comprises a fixing shell (7), the fixing shell (7) is installed at the top of a main rod (4) and the top of a rotating rod (8), the rotating rod (8) is arranged above the main rod (4), a support (9) is arranged above the rotating rod (8), a connecting shaft (10) is fixed on the lower side of the support (9), the fixing shell (7) is rotatably connected to the outer side of the connecting shaft (10) and the bottom of the rotating rod (8), and gears (11) are fixed on the connecting shaft (10) and the bottom of the rotating rod (8);

worm (12), worm (12) rotate to be connected inside set casing (7), and worm (12) are connected with gear (11) meshing, set casing (7) and splined connection have rotatory handle (13) are run through to worm (12) one side, and rotatory handle (13) are close to one side of worm (12) and are connected with set casing (7) through spacer pin (14).

2. The antenna bracket for the broadcast television engineering technology according to claim 1, wherein: the number of the support legs (2) is three, and the three support legs (2) are arranged in a shape like a Chinese character 'pin' by taking the central line of the main rod (4) as the center.

3. The antenna bracket for the broadcast television engineering technology according to claim 1, wherein: the central line of the main rod (4) and the central line of the rotating rod (8) are positioned on the same vertical line.

4. The antenna bracket for the broadcast television engineering technology according to claim 1, wherein: the bolts (6) are three, and the three bolts (6) arranged in a shape like the Chinese character 'pin' and the three support legs (2) are arranged in a staggered manner.

5. The antenna bracket for the broadcast television engineering technology according to claim 1, wherein: the central line of the gear (11) is perpendicular to the central line of the worm (12).

6. The antenna bracket for the broadcast television engineering technology according to claim 1, wherein: the length of the limiting pin (14) is smaller than the spline connection distance between the rotating handle (13) and the worm (12).