CN112615133A

CN112615133A - Foldable antenna bracket

Info

Publication number: CN112615133A
Application number: CN202011500572.8A
Authority: CN
Inventors: 罗晓玉
Original assignee: Chengdu Huazhi Communication Technology Co ltd
Current assignee: Chengdu Huazhi Communication Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-04-06
Anticipated expiration: 2040-12-17
Also published as: CN112615133B

Abstract

The application discloses a foldable antenna bracket, which comprises a base, a storage rack and a pitching adjusting rack with the length capable of being adjusted in a telescopic mode, wherein an adjusting bracket used for adjusting the distance between the lower end of the pitching adjusting rack and the lower end of the storage rack is arranged between the pitching adjusting rack and the base; a locking assembly is arranged between the base and the adjusting bracket. So set up, through set up between every single move alignment jig and base and adjust the support, increased the adjustable scope of contained angle between supporter and the base, can satisfy some specific areas 'user demand, it is less to have solved the adjustable scope of antenna boom's the every single move angle among the prior art, the poor problem of suitability.

Description

Foldable antenna bracket

Technical Field

The invention relates to the technical field of antenna supports, in particular to a foldable antenna support.

Background

With the rapid rise of the demand of the government industry and the civil emergency communication market, the demand of satellite communication products is increasing continuously, the satellite communication becomes one of the main power transmission modes of the current communication, a satellite antenna is mostly used for transmitting and exchanging data information, the satellite-to-satellite antenna is needed at the moment, and a satellite-to-satellite support is a main structure for realizing satellite-to-satellite operation. Antenna support among the prior art includes the base, a supporter and a every single move alignment jig for installing communication host computer, realize the regulation of opposition thing frame every single move angle through setting up the every single move alignment jig for extending structure, the regulation of supporter every single move angle can only rely on extending structure to realize, and the maximum length and the minimum length of every single move alignment jig all have certain restriction, lead to supporter every single move angle's adjustable range less, if, the minimum of general every single move angle can only reach 21 degrees, during the in-service use, in some specific areas, the every single move angle of supporter need reach 15 and just can aim at the satellite, simultaneously because the position is not necessarily the horizontal plane, the actually required every single move angle probably is less than 15, under this kind of condition, above-mentioned antenna support then can't satisfy the user demand.

Therefore, how to solve the problems of the prior art that the adjustable range of the pitch angle of the antenna bracket is small and the applicability is poor becomes an important technical problem to be solved by the technical personnel in the field.

Disclosure of Invention

In order to overcome the problems in the related art at least to a certain extent, the application provides a foldable antenna bracket, which can solve the problems of small adjustable range and poor applicability of the pitch angle of the antenna bracket in the prior art.

The invention is realized by the following steps: a foldable antenna support comprises a base, a storage rack for bearing target objects and a pitching adjusting rack with the length capable of being telescopically adjusted, the lower end of the article shelf is rotationally connected with the first end of the base, the upper end of the pitching adjusting frame is rotationally connected with the upper end of the article shelf, an adjusting bracket for adjusting the distance between the lower end of the pitching adjusting frame and the lower end of the commodity shelf is arranged between the lower end of the pitching adjusting frame and the second end of the base, one end of the adjusting bracket is rotatably connected with the pitching adjusting bracket, the other end of the adjusting bracket is movably connected with the base, when the adjusting bracket is positioned at the first position, the distance between the lower end of the pitching adjusting bracket and the lower end of the commodity shelf is the largest, when the adjusting bracket is positioned at the second position, the distance between the lower end of the pitching adjusting bracket and the lower end of the commodity shelf is minimum; the adjusting device comprises a base, an adjusting support and a locking assembly, wherein the base is arranged on the adjusting support, the locking assembly is arranged between the base and the adjusting support, when the locking assembly is in a first state, the locking assembly limits the position change of the adjusting support, and when the locking assembly is in a second state, the limiting effect of the locking assembly on the adjusting support is removed.

Preferably, the adjusting bracket comprises a first bracket, a second bracket and a connecting shaft fixedly connected with the lower end of the pitching adjusting bracket, the first end of the first bracket is rotatably connected with the first end of the connecting shaft, the second end of the first bracket is rotatably connected with the base, the first end of the second bracket is rotatably connected with the second end of the connecting shaft, and the second end of the second bracket is rotatably connected with the base.

Preferably, the locking subassembly is including setting up the spacing groove of first support side and setting are in spacing post on the base, spacing post can imbed into spacing inslot, spacing post is provided with two, two spacing post about first support for the axis of rotation symmetric distribution of base, the first end of first support with the connecting axle rotates to be connected and can follow the axial of connecting axle is for the connecting axle removes, the second end of first support with the base rotates to be connected and can for the base is followed the axial displacement of connecting axle, the shift position of first support is including making spacing post imbed into the first position of spacing inslot and messenger spacing post is located the outside second position of spacing groove.

Preferably, the pitching adjusting frame comprises a pitching rough adjusting component with the upper end rotatably connected with the commodity shelf and a pitching fine adjusting component arranged between the pitching rough adjusting component and the adjusting bracket.

Preferably, every single move fine setting subassembly includes first double-screw bolt, connecting piece and second double-screw bolt, the axis of first double-screw bolt with the axis coincidence of second double-screw bolt, the first end of first double-screw bolt with the lower extreme fixed connection of every single move coarse adjusting subassembly, the second end of second double-screw bolt with connecting axle fixed connection, the first end of connecting piece be provided with the first screw hole that the second end cooperation of first double-screw bolt is connected, the second end be provided with the second screw hole that the first end cooperation of second double-screw bolt is connected, the screw thread of first screw hole revolve to with the screw thread of second screw hole revolves to the opposite direction.

Preferably, the first end of base is provided with the stabilizer blade that can rotate for the base, the stabilizer blade for the rotational position of base include with the parallel first position of base bottom surface and with the second position that has the contained angle between the base bottom surface, when the stabilizer blade is located the second position, the one end that the stabilizer blade kept away from the base is located the base is outside subaerial projection range.

Preferably, the support leg includes a base with a first end rotatably connected to the base and a support leg main body with a first end rotatably connected to a second end of the base, the rotational position of the base includes a first position where the support leg main body is parallel to the bottom surface of the base and a second position where an included angle is formed between the support leg main body and the bottom surface of the base, the rotational axis of the support leg main body relative to the base is perpendicular to the rotational axis of the base relative to the base, and the rotational position of the support leg main body includes a first position where the second end of the support leg main body is located within a projection range of the base on the ground and a second position where the second end of the support leg main body is located outside the projection range of the base on the ground.

Preferably, a first limiting structure is arranged between the base and the base, and when the base rotates to the second position, the first limiting structure limits the rotation of the base.

Preferably, a second limiting structure is arranged between the first end of the support leg main body and the base, and when the support leg main body is located at the second position, the second limiting structure limits the rotation of the support leg main body.

Preferably, the upper end of supporter is provided with polarization locking device, every single move alignment jig with the supporter rotates the axis of rotation of connecting and is located polarization locking device with between the lower extreme of supporter, polarization locking device include with supporter rotates polarization dish and the locking Assembly who connects, works as when locking Assembly is in the first state, polarization dish can for the supporter rotates, works as when locking Assembly is in the second state, locking Assembly restricts polarization dish with relative rotation between the supporter.

The technical scheme provided by the application comprises the following beneficial effects:

the application provides a pair of foldable antenna support, the on-line screen storage device comprises a base, supporter and every single move alignment jig, wherein, the supporter is used for bearing the target article, like the communication host computer, the lower extreme of supporter rotates with the first end of base to be connected, the upper end and the supporter of every single move alignment jig rotate to be connected, the lower extreme can rotate for the base, and the scalable regulation of length of every single move alignment jig, make the base, form the variable triangle-shaped of a length of side between supporter and the every single move alignment jig, when using, through the length of adjusting the every single move alignment jig, can realize the regulation of the contained angle between opposition supporter and the base. An adjusting support is arranged between the lower end of the pitching adjusting frame and the second end of the base, one end of the adjusting support is rotatably connected with the pitching adjusting frame, the rotating axis of the adjusting support is parallel to that of the pitching adjusting frame relative to the base, and the other end of the adjusting support is movably connected with the base and used for adjusting the distance between the lower end of the pitching adjusting frame and the lower end of the storage rack. When adjusting the support and being located the first position, the distance between the lower extreme of every single move alignment jig and the lower extreme of supporter is the biggest, and when adjusting the support and being located the second position, the distance between the lower extreme of every single move alignment jig and the lower extreme of supporter is the minimum. The locking assembly is arranged between the base and the adjusting support and used for locking the position of the adjusting support, when the locking assembly is in the first state, the locking assembly limits the position change of the adjusting support, and when the locking assembly is in the second state, the limiting effect of the locking assembly on the adjusting support is removed. When the length of every single move alignment jig reaches the threshold value, the setting of adjusting the support can make the side length that corresponds with the base in above-mentioned triangle-shaped flexible change, and the contained angle between supporter and the base can further change promptly, and the every single move angle of supporter can further be adjusted. When the length of the pitching adjusting frame reaches the maximum value, the included angle between the commodity shelf and the base is the maximum, at the moment, the adjusting bracket is positioned at the second position, the included angle between the commodity shelf and the base can be further increased, and the pitching angle of the commodity shelf is further reduced; when the length of every single move alignment jig reached the minimum, the contained angle between supporter and the base was minimum, at this moment, made the regulation support be located the first position, can further reduce the contained angle between supporter and the base, promptly the every single move angle of supporter further increases. So set up, adjust the support through setting up between antenna boom's every single move alignment jig and base, increased the adjustable scope of contained angle between supporter and the base, can satisfy some specific areas's user demand, it is less to have solved the adjustable scope of antenna boom's among the prior art every single move angle, the poor problem of suitability.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a foldable antenna mount according to an embodiment of the present invention, when an adjusting mount is located at a first position;

fig. 2 is a schematic structural view of a foldable antenna stand according to an embodiment of the present invention, when the adjusting stand is located at a second position;

FIG. 3 is a schematic view of an adjustment bracket according to an embodiment of the present invention in a first position with a locking assembly in a first state;

FIG. 4 is a schematic view of an adjustment bracket according to an embodiment of the present invention in a first position and a locking assembly in a second position;

FIG. 5 is a schematic structural view of another adjustment bracket according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a pitch trimmer assembly according to an embodiment of the present invention;

fig. 7 is a side view of a foldable antenna stand according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a first limiting structure according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a second limiting structure according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a polarization locking assembly according to an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of another polarization locking assembly shown in an embodiment of the present invention;

fig. 12 is a schematic structural view illustrating a locking structure between a first support plate and a second support plate according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a pitch adjusting mount according to an embodiment of the present invention.

Reference numerals:

1. a base; 2. a rack; 3. a pitch adjustment bracket; 4. adjusting the bracket; 5. a first bracket; 6. a second bracket; 7. a connecting shaft; 8. a limiting groove; 9. a limiting column; 10. a pitch trimmer assembly; 11. a first stud; 12. a connecting member; 13. a second stud; 14. a base; 15. a leg main body; 16. a first limit structure; 17. a polarizing disk; 18. a locking assembly; 19. a strip-shaped hole; 20. connecting columns; 21. a second protrusion; 22. a first support plate; 23. a second support plate; 24. a handle; 25. and (4) a pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

An object of this embodiment is to provide a foldable antenna support, which solves the problems of the prior art that the adjustable range of the pitch angle of the antenna support is small and the applicability is poor.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1-13, schematic structural views of foldable antenna mounts in some exemplary embodiments are shown. The foldable antenna support provided by the embodiment comprises a base 1, a storage rack 2 and a pitching adjusting rack 3, wherein the storage rack 2 is used for bearing target objects, such as a communication host, the lower end of the storage rack 2 is rotatably connected with the first end of the base 1, the upper end of the pitching adjusting rack 3 is rotatably connected with the storage rack 2, the lower end can rotate relative to the base 1, and the pitching adjusting rack 3 can be telescopically adjusted in length, so that a triangle with variable side length is formed among the base 1, the storage rack 2 and the pitching adjusting rack 3, and when the foldable antenna support is used, the adjustment of an included angle between the storage rack 2 and the base 1 can be realized by adjusting the length of the pitching adjusting rack 3.

An adjusting support 4 is arranged between the lower end of the pitching adjusting frame 3 and the second end of the base 1, one end of the adjusting support 4 is rotatably connected with the pitching adjusting frame 3, the rotating axis of the pitching adjusting frame 3 is parallel to that of the base 1, and the other end of the pitching adjusting frame 4 is movably connected with the base 1 and is used for adjusting the distance between the lower end of the pitching adjusting frame 3 and the lower end of the storage rack 2. When adjusting support 4 and being located the first position, the distance between the lower extreme of every single move alignment jig 3 and the lower extreme of supporter 2 is the biggest, and when adjusting support 4 and being located the second position, the distance between the lower extreme of every single move alignment jig 3 and the lower extreme of supporter 2 is the minimum.

A locking assembly is arranged between the base 1 and the adjusting support 4 and used for locking the position of the adjusting support 4, when the locking assembly is in a first state, the locking assembly limits the position change of the adjusting support 4, and when the locking assembly is in a second state, the limiting effect of the locking assembly on the adjusting support 4 is removed.

When the length of the pitching adjusting frame 3 reaches a limit value, the length of the side corresponding to the base 1 in the triangle can be changed in a telescopic manner by the adjusting frame 4, that is, the included angle between the shelf 2 and the base 1 can be further changed, and the pitching angle of the shelf 2 can be further adjusted. When the length of the pitching adjusting frame 3 reaches the maximum value, the included angle between the commodity shelf 2 and the base 1 is the maximum, and at the moment, the adjusting frame 4 is positioned at the second position, so that the included angle between the commodity shelf 2 and the base 1 can be further increased, namely the pitching angle of the commodity shelf 2 is further reduced; when the length of every single move alignment jig 3 reached the minimum, the contained angle between supporter 2 and the base 1 was minimum, at this moment, made the alignment jig 4 be located the first position, can further reduce the contained angle between supporter 2 and the base 1, and the every single move angle of supporter 2 further increases promptly.

So set up, through set up between every single move alignment jig 3 and the base 1 at antenna boom and adjust support 4, increased the adjustable scope of contained angle between supporter 2 and the base 1, can satisfy some specific areas's user demand, it is less to have solved the adjustable scope of antenna boom's every single move angle among the prior art, the poor problem of suitability.

It should be noted that the pitching angle of the article placing rack 2 is an included angle between the article placing rack 2 and a vertical line, and when the base 1 is in a horizontal state, the pitching angle of the article placing rack 2 is a complementary angle of the included angle between the article placing rack 2 and the base 1.

In this embodiment, the adjusting bracket 4 includes a first bracket 5, a second bracket 6 and a connecting shaft 7 fixedly connected to the lower end of the pitching adjusting bracket 3, the first end of the first bracket 5 is rotatably connected to the first end of the connecting shaft 7, the second end is rotatably connected to the base 1, the first end of the second bracket 6 is rotatably connected to the second end of the connecting shaft 7, and the second end is rotatably connected to the base 1. When the first bracket 5 rotates relative to the base 1 to a position where the first end of the first bracket 5 is located between the second end of the first bracket and the lower end of the object placing frame 2 and the first end of the first bracket 5 contacts the base 1, the adjusting bracket 4 is located at the second position, and when the first bracket 5 rotates relative to the base 1 to a position where the first end of the first bracket 5 is located at a side where the second end of the first bracket is far away from the object placing frame 2 and the first end of the first bracket 5 contacts the base 1, the adjusting bracket 4 is located at the first position. The arrangement of the connecting shaft 7 enables the second support 6 and the first support 5 to synchronously rotate, the first support 5 and the second support 6 are symmetrically distributed about the pitching adjusting frame 3, so that the rotation of the adjusting support 4 relative to the base 1 is stably carried out, and the structural stability of the pitching adjusting frame 3 can be improved.

In the implementation, the locking assembly comprises a limiting groove 8 and a limiting column 9, and the limiting column 9 can be embedded in the limiting groove 8. One of the limiting groove 8 and the limiting column 9 is arranged on the side surface of the first bracket 5, and the other is arranged on the base 1. In this embodiment, the limit post 9 is disposed on the base 1, and the limit groove 8 is disposed on a side surface of the first bracket 5 facing the limit post 9.

Specifically, the two limiting columns 9 are provided, and the two limiting columns 9 are symmetrically distributed relative to the rotation axis of the first bracket 5 relative to the base 1. The first end of the first support 5 is rotatably connected with the connecting shaft 7 and can move relative to the connecting shaft 7 along the axial direction of the connecting shaft 7, a support is arranged on the base 1, the second end of the first support 5 is rotatably connected with the support and can move relative to the support along the axial direction of the connecting shaft 7, namely the first support 5 and the limiting groove 8 can be close to or far away from the limiting column 9 on the base 1 along the axial direction of the connecting shaft 7. The shift position of first support 5 is including making spacing post 9 imbed the primary importance to spacing inslot 8 and making spacing post 9 be located the outside second place of spacing groove 8, will adjust support 4 and rotate behind primary importance or the second place, promote first support 5, make first support 5 remove to the primary importance, make the locking subassembly be in the primary importance, can guarantee to adjust the fixed of relative position between support 4 and the base 1, when the position of adjusting support 4 is adjusted to needs, promote first support 5, make first support 5 remove to the second place, make the locking subassembly be in the second place, can make and adjust support 4 and rotate for base 1.

The limiting columns 9 can be arranged in a protruding mode, as shown in figures 3-4.

To being connected between first support 5 and the base 1, can set up the support on base 1, the one end and the base 1 fixed connection formula structure as an organic whole of support, the other end upwards extends. Be provided with the through-hole in the upper end of support, set up two engaging lugs and articulated shaft at the second end of first support 5, articulated shaft and through-hole clearance fit, and the both ends and the engaging lug fixed connection of articulated shaft, the distance between two engaging lugs is greater than the width of support upper end, through the articulated shaft with the articulated back together of the second end of first support 5 and the upper end of support, first support 5 can remove for base 1 when rotating for base 1. For the connection between the first bracket 5 and the connecting shaft 7, a connecting hole may be provided at the first end of the first bracket 5, the connecting hole is in clearance fit with the connecting shaft 7, and after the connecting hole of the first bracket 5 is connected with the connecting shaft 7, the first bracket 5 may move relative to the connecting shaft 7 while rotating relative to the connecting shaft 7.

For the antenna bracket with the minimum pitch angle of the commodity shelf 2 only reaching 21 degrees, after the adjusting bracket 4 is arranged between the pitch adjusting bracket 3 and the base 1, through a plurality of tests, when the adjusting bracket 4 is fixed at a first position, the pitch angle adjustable range of the commodity shelf 2 can reach 25 degrees to 80 degrees, when the adjusting bracket 4 is fixed at a second position, the pitch angle adjustable range of the commodity shelf 2 can reach 10 degrees to 65 degrees, the comprehensive result can be obtained, the pitch angle adjustable range of the commodity shelf 2 is 10 degrees to 80 degrees, the minimum pitch angle of the commodity shelf 2 can reach 10 degrees, and the use requirement that the actual required pitch angle of some specific regions is less than or equal to 15 degrees can be met.

As an alternative embodiment, the movable connection between the adjusting bracket 4 and the base 1 can also be realized in a sliding manner, specifically, referring to fig. 5, the adjusting bracket 4 includes a connecting shaft 7, a guide rail and a slider, the connecting shaft 7 is fixedly connected with the lower end of the pitching adjusting frame 3, the guide rail is arranged on the base 1, the extending direction of the guide rail is perpendicular to the rotation axis of the rack 2 relative to the base 1, and the slider is rotatably connected with the connecting shaft 7 and is in sliding fit with the guide rail. The slider slides along the guide rail, can drive the lower extreme of connecting axle 7 and every single move alignment jig 3 and be close to or keep away from supporter 2, the flexible change of length of side that corresponds with base 1 in the triangle-shaped of base 1, supporter 2 and every single move alignment jig 3 formation promptly, contained angle between supporter 2 and the base 1 can further change, and supporter 2's angle of pitch can obtain corresponding regulation. Set up the locating hole on base 1, set up the screw hole on the slider, the locking subassembly can be for being connected and can stretch into the screw in locating hole with the screw hole cooperation, and the slider removes behind the relevant position, and it can to fix the position of slider to utilize the screw.

In this embodiment, the pitch adjusting frame 3 includes a pitch coarse adjusting component and a pitch fine adjusting component 10 connected in series, an upper end of the pitch coarse adjusting component is rotatably connected to the article carrier 2, and two ends of the pitch fine adjusting component 10 are respectively fixedly connected to the pitch coarse adjusting component and the adjusting bracket 4.

Every single move coarse adjusting subassembly includes first backup pad 22, second backup pad 23 and locking structure, the upper end and the supporter 2 of first backup pad 22 rotate to be connected, the upper end of second backup pad 23 passes through slide rail structure sliding connection with the lower extreme of first backup pad 22, locking structure is including setting up the screw through-hole on first backup pad 22 and the screw of being connected with the screw through-hole cooperation, after adjusting the relative position of first backup pad 22 and second backup pad 23, utilize the screw to make behind the screw through-hole on the screw end screw in first backup pad 22 of screw, the tip top is tight on the surface of second backup pad 23, thereby realize the fixed of relative position between first backup pad 22 and the second backup pad 23, telescopic assembly's overall length is locked promptly. The locking structure may also be a handle 24 and a pin 25 with a cam structure, and as shown in fig. 12, the handle may drive the end of the pin 25 to approach or separate from the second support plate 23, and when the end of the pin 25 approaches and tightly abuts against the second support plate 23, the first support plate 22 and the second support plate 23 may be fixed relatively.

It should be noted that the pitching rough adjusting assembly can also be set in the form of a controllable hydraulic rod or a controllable gas spring, and the length can be changed in a telescopic manner.

The fine pitching adjustment assembly 10 comprises a first stud 11, a connecting piece 12 and a second stud 13, wherein the axis of the first stud 11 is overlapped with the axis of the second stud 13, the first end of the first stud 11 is fixedly connected with the lower end of the coarse pitching adjustment assembly, and the second end of the second stud 13 is fixedly connected with the connecting shaft 7. The first end of the connecting piece 12 is provided with a first threaded hole which is matched and connected with the second end of the first stud 11, the second end of the connecting piece is provided with a second threaded hole which is matched and connected with the first end of the second stud 13, and the thread turning direction of the first threaded hole is opposite to that of the second threaded hole. Rotating connecting piece 12 along the circumference of first stud 11, the moving direction of connecting piece 12 relative to first stud 11 and the moving direction of connecting piece 12 relative to second stud 13 are opposite, namely, when rotating connecting piece 12, the first end of first stud 11 and the second end of second stud 13 can be close to each other or keep away from each other to drive supporter 2 and be close to or keep away from base 1, namely the pitch angle of supporter 2 changes. According to the arrangement, the connecting piece 12 is exerted with circumferential force to rotate, the first stud 11 and the second stud 13 can move relatively, the circumferential force disappears, the connecting piece 12 stops rotating, the relative positions of the first stud 11 and the second stud 13 are fixed immediately, errors caused by hand shaking or displacement can be avoided, the connecting piece 12 rotates for a circle, the relative displacement of the first stud 11 and the second stud 13 is small, the adjusting precision is high, after the inclination angle of the commodity shelf 2 is adjusted approximately through the pitching adjusting frame 3, the pitching fine-adjusting component 10 is used for further adjusting in a small range, and the error between the actual pitching angle and the expected pitching angle can be reduced.

A limiting structure is arranged between the first stud 11 and the connecting piece 12 and used for preventing the second end of the first stud 11 from being separated from the first threaded hole, so that the pitching fine adjustment component 10 and the antenna bracket are prevented from being damaged in the pitching adjustment process, and the safety is improved. The limiting structure comprises a limiting ring arranged at the second end of the first stud 11, and the limiting ring and the first stud 11 are fixedly connected into an integral structure. The external diameter of spacing ring is greater than the diameter of first screw hole and the external diameter of spacing ring is less than the diameter of blind hole, when avoiding the spacing ring to deviate from first screw hole, guarantees that the spacing ring can remove smoothly in second screw hole and second double-screw bolt 13.

In order to apply force to the connecting part 12 and reduce labor intensity when rotating the connecting part 12, an easy-to-hold part may be provided on the outer side wall of the connecting part 12, and specifically, the size of the connecting part 12 in the direction perpendicular to the axis of the first stud 11 may be increased, that is, the distance between the force application point and the axis of the connecting part 12 is increased, so that the force required when rotating the connecting part 12 may be reduced. The axial cross section of the connecting member 12 may be circular, conical or rectangular, and is not particularly limited.

Guide posts are arranged on two sides of the first stud 11 and the second stud 13, the axes of the guide posts are parallel to the axis of the first stud 11, guide holes in sliding fit with the guide posts are arranged on the coarse pitching adjustment assembly, and the guide posts and the guide holes are matched with each other to guide relative movement between the first stud 11 and the connecting piece 12 and relative movement between the second stud 13 and the connecting piece 12, so that the fine adjustment process is stably carried out.

In this embodiment, a support leg is disposed at the first end of the base 1, and is used to support the first end of the base 1 off the ground so as to prevent the communication host from touching the ground during polarization adjustment. The stabilizer blade can set up two, is located the both sides of base 1 first end respectively. The stabilizer blade can rotate for base 1, and the stabilizer blade includes the first position parallel with base 1 bottom surface and the second position that has the contained angle between the bottom surface of base 1 for the rotational position of base 1, when the antenna bracket is in the folding state of accomodating, can make the stabilizer blade be located the first position to reduce occupation space, when the antenna bracket is in the user state, can make the stabilizer blade be located the second position, in order to support the first end of base 1. When the feet are in the second position, the ends of the feet away from the antenna support (referred to as the ends of the feet) are outside the projected range of the base 1 on the ground. The base 1 is located between the end of two stabilizer blades, and the distance between the end of two stabilizer blades is greater than the distance between the corresponding edge of base 1, has increased antenna boom's focus support scope, has reduced the focus of communication host computer when polarization is adjusted and has surpassed the possibility of antenna boom's focus scope, has solved the focus of communication host computer when polarization is adjusted and has surpassed the poor, the problem that easily emptys of anti-wind ability of antenna boom that the focus scope of antenna boom leads to easily.

In order to avoid that the end of the stand bar is outside the projection range of the base 1 on the ground when the stand bar is at the first position, the stand bar can be arranged in a segmented form, referring to fig. 7-9, the stand bar comprises a base 14 and a stand bar body 15, wherein the first end of the base 14 is rotatably connected with the base 1, the first end of the stand bar body 15 is rotatably connected with the second end of the base 14, the rotation axis of the base 14 relative to the base 1 is parallel to the rotation axis of the commodity shelf 2 relative to the base 1, the rotation position of the base 14 comprises a first position that the stand bar body 15 is parallel to the bottom surface of the base 1 and a second position that the stand bar body 15 forms an included angle with the bottom surface of the base 1, the rotation axis of the stand bar body 15 relative to the base 14 is perpendicular to the rotation axis of the base 14 relative to the base 1, and when the base 14 is at the first position, the rotation axis, the second end of the leg main body 15 can be located within the projection range of the base 1 on the ground by rotating the leg main body 15, that is, the rotating position of the leg main body 15 includes a first position where the second end of the leg main body 15 is located within the projection range of the antenna stand on the ground and a second position where the second end of the leg main body 15 is located outside the projection range of the antenna stand on the ground.

In implementation, a first limiting structure 16 is disposed between the base 14 and the base 1, and when the base 14 rotates to the second position, the first limiting structure 16 limits the rotation of the base 14, so as to ensure the stability of the relative position between the base 14 and the base 1. Specifically, the first end at base 1 is fixed and is provided with the articulated shaft, and the first end of base 14 is provided with the through-hole and can overlaps on locating the articulated shaft, and the length of articulated shaft is greater than the width of the first end of base 14 for the first end of base 14 both can rotate with base 1 relatively, can follow the axial reciprocating motion of articulated shaft again. The first limiting structure 16 includes a first groove and a first protrusion capable of being clamped with the first groove, one of the first protrusion and the first groove is disposed on the base 1, the other one is disposed on the base 14, and the moving position of the base 14 includes a third position enabling the first protrusion to be clamped with the first groove and a fourth position enabling the first protrusion to be separated from the first groove. When the first end of the base 1 needs to be supported, the base 14 is rotated to the second position, and then the base 14 is pushed to move to the third position along the axial direction of the hinge shaft, so that the first protrusion is clamped with the first groove, and the base 14 and the base 1 are relatively fixed; when folding base 1, pull base 14 earlier and make its axial displacement along the articulated shaft to the fourth position to make first arch and first recess break away from the joint, then with base 14 rotate to first position can.

In implementation, a second limiting structure is disposed between the first end of the leg body 15 and the base 14, and when the leg body 15 is located at the second position, the second limiting structure limits the rotation of the leg body 15, so as to ensure the stability of the relative position between the leg body 15 and the base 14. Specifically, a strip-shaped hole 19 is provided at a first end of the leg main body 15, a connection column 20 is provided on the base 14, and the connection column 20 passes through the strip-shaped hole 19 and can move relative to the strip-shaped hole 19 along the length direction of the strip-shaped hole 19, that is, the leg main body 15 can rotate relative to the base 14 and can also move relative to the base 14 along the length direction of the strip-shaped hole 19. The second limiting structure comprises a second groove and a second protrusion 21 which can be clamped with the second groove, the second protrusion 21 and the second groove are arranged on the base 14, the other one of the second protrusion 21 and the second groove is arranged on the support leg main body 15, and the moving position of the support leg main body 15 comprises a third position enabling the second protrusion 21 to be clamped with the second groove and a fourth position enabling the second protrusion 21 to be separated from the second groove. When the first end of the base 1 needs to be supported, the base 14 is rotated to the second position, and after the position of the base 14 is fixed by the first limiting structure 16, the supporting leg main body 15 is rotated to the second position, and the supporting leg main body 15 is pushed to move to the third position, so that the second protrusion 21 is clamped with the second groove, and the relative fixation between the supporting leg main body 15 and the base 14 is realized; when folding antenna boom, after rotating base 14 to the primary importance, pulling stabilizer blade main part 15 makes stabilizer blade main part 15 remove to the fourth place to make protruding 21 of second break away from the joint with the second recess, then with stabilizer blade main part 15 rotate to the primary importance can.

Under the condition that the antenna bracket is not folded, when the position of the antenna bracket is moved, the first limiting structure 16 and the second limiting structure can ensure the stability of the relative position between the support leg and the antenna bracket. When the supporting leg main body 15 is located at the second position, the length direction of the strip-shaped hole 19 is parallel to the horizontal direction, and when the supporting leg main body 15 is moved, the supporting leg main body 15 can be prevented from moving under the action of the gravity of the supporting leg main body, and the stability of the relative position between the supporting leg and the antenna support can be further ensured. The one side that base 14 is close to stabilizer blade main part 15 is provided with the stopper, and when stabilizer blade main part 15 was located the second position, stopper and stabilizer blade main part 15's top edge interact can restrict stabilizer blade main part 15's turned angle, and at this moment, the second recess just right with the protruding 21 position of second, is convenient for make protruding 21 of second and second recess joint, convenient operation.

It should be noted that the external profile shape of the leg main body 15 can be as shown in fig. 7 and 8, and is not limited in particular.

The upper end of the commodity shelf 2 is provided with a polarization locking device for realizing the installation and polarization adjustment of a communication host. Every single move alignment jig 3 and supporter 2 rotate the axis of rotation of being connected to be located between the lower extreme of polarization locking device and supporter 2, polarization locking device is located the top of every single move alignment jig 3 promptly, during polarization adjustment, can accomplish the operation in the top of antenna boom, need not to extend the below of every single move alignment jig 3 with the hand, it is more humanized, and when the angle of pitch of supporter 2 is very little, the contained angle between polarization locking device and the angle of pitch alignment jig 3 is bigger, a space for polarization locking operation is great, the antenna boom who has solved among the prior art is very little at the angle of pitch of supporter 2, be not convenient for carry out the problem of polarization locking operation. Above-mentioned polarization locking device includes and rotates the polarization dish 17 and the locking Assembly 18 of being connected with supporter 2, and when locking Assembly 18 was in the first state, polarization dish 17 can rotate for supporter 2, can polarize and adjust, and when locking Assembly 18 was in the second state, locking Assembly 18 restricted the relative rotation between polarization dish 17 and the supporter 2 to the position to the communication host computer is fixed.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A foldable antenna bracket is characterized by comprising a base (1), an article placing rack (2) used for bearing target articles and a pitching adjusting rack (3) with the length capable of being telescopically adjusted, wherein the lower end of the article placing rack (2) is rotatably connected with the first end of the base (1), the upper end of the pitching adjusting rack (3) is rotatably connected with the upper end of the article placing rack (2),

an adjusting support (4) used for adjusting the distance between the lower end of the pitching adjusting frame (3) and the lower end of the commodity shelf (2) is arranged between the lower end of the pitching adjusting frame (3) and the second end of the base (1), one end of the adjusting support (4) is rotatably connected with the pitching adjusting frame (3), the other end of the adjusting support is movably connected with the base (1), when the adjusting support (4) is located at a first position, the distance between the lower end of the pitching adjusting frame (3) and the lower end of the commodity shelf (2) is the largest, and when the adjusting support (4) is located at a second position, the distance between the lower end of the pitching adjusting frame (3) and the lower end of the commodity shelf (2) is the smallest;

the adjusting device is characterized in that a locking assembly is arranged between the base (1) and the adjusting support (4), when the locking assembly is in a first state, the locking assembly limits the position change of the adjusting support (4), and when the locking assembly is in a second state, the limiting effect of the locking assembly on the adjusting support (4) is removed.

2. The foldable antenna stand according to claim 1, characterized in that the adjusting bracket (4) comprises a first bracket (5), a second bracket (6) and a connecting shaft (7) fixedly connected with the lower end of the pitching adjusting bracket (3), the first end of the first bracket (5) is rotatably connected with the first end of the connecting shaft (7), the second end is rotatably connected with the base (1), the first end of the second bracket (6) is rotatably connected with the second end of the connecting shaft (7), and the second end is rotatably connected with the base (1).

3. The foldable antenna stand according to claim 2, characterized in that the locking assembly comprises a limit groove (8) disposed at a side of the first stand (5) and a limit post (9) disposed on the base (1), the limit post (9) can be embedded into the limit groove (8), the limit post (9) is provided with two, the two limit posts (9) are symmetrically distributed about the first stand (5) relative to the rotation axis of the base (1), a first end of the first stand (5) is rotatably connected with the connecting shaft (7) and can move relative to the connecting shaft (7) along the axial direction of the connecting shaft (7), a second end of the first stand (5) is rotatably connected with the base (1) and can move relative to the base (1) along the axial direction of the connecting shaft (7), the moving position of the first bracket (5) comprises a first position enabling the limiting column (9) to be embedded into the limiting groove (8) and a second position enabling the limiting column (9) to be located outside the limiting groove (8).

4. The foldable antenna support according to claim 2, characterized in that the pitching adjusting frame (3) comprises a pitching rough adjusting assembly pivotally connected to the article support frame (2) at an upper end thereof and a pitching fine adjusting assembly (10) disposed between the pitching rough adjusting assembly and the adjusting frame (4).

5. The foldable antenna support according to claim 4, wherein the fine pitch adjustment assembly (10) comprises a first stud (11), a connecting member (12) and a second stud (13), an axis of the first stud (11) coincides with an axis of the second stud (13), a first end of the first stud (11) is fixedly connected with a lower end of the coarse pitch adjustment assembly, a second end of the second stud (13) is fixedly connected with the connecting shaft (7), a first end of the connecting member (12) is provided with a first threaded hole in fit connection with a second end of the first stud (11), a second end of the connecting member is provided with a second threaded hole in fit connection with a first end of the second stud (13), and a thread direction of the first threaded hole is opposite to a thread direction of the second threaded hole.

6. The foldable antenna stand according to claim 1, characterized in that the first end of the base (1) is provided with a foot capable of rotating relative to the base (1), and the rotating position of the foot relative to the base (1) comprises a first position parallel to the bottom surface of the base (1) and a second position having an included angle with the bottom surface of the base (1), and when the foot is located at the second position, the end of the foot away from the base (1) is located outside the projection range of the base (1) on the ground.

7. The foldable antenna stand according to claim 6, characterized in that the foot comprises a base (14) with a first end rotatably connected to the base (1) and a foot body (15) with a first end rotatably connected to a second end of the base (14), the rotational position of the base (14) comprises a first position with the foot body (15) parallel to the bottom surface of the base (1) and a second position with an angle between the foot body (15) and the bottom surface of the base (1), the rotational axis of the foot body (15) relative to the base (14) is perpendicular to the rotational axis of the base (14) relative to the base (1), the rotational position of the foot body (15) comprises a first position with the second end of the foot body (15) within the projection range of the base (1) on the ground and a second end of the foot body (15) is located with the base (1) on the ground A second location on the surface outside the projected range.

8. The foldable antenna stand according to claim 7, characterized in that a first stop structure (16) is arranged between the base (14) and the base (1), the first stop structure (16) limiting the rotation of the base (14) when the base (14) is rotated to the second position.

9. The foldable antenna stand according to claim 7, characterized in that a second stop structure is arranged between the first end of the leg body (15) and the base (14), the second stop structure limiting the rotation of the leg body (15) when the leg body (15) is in the second position.

10. Foldable antenna stand according to claim 1, characterized in that the upper end of supporter (2) is provided with polarization locking device, the rotation axis that every single move alignment jig (3) and supporter (2) rotate to be connected is located between polarization locking device and the lower extreme of supporter (2), polarization locking device include with supporter (2) rotate the polarization dish (17) of being connected and locking Assembly (18), when locking Assembly (18) is in the first state, polarization dish (17) can rotate for supporter (2), when locking Assembly (18) is in the second state, locking Assembly (18) restriction the relative rotation between polarization dish (17) and supporter (2).