阅读说明：本技术 天线、下倾角调节的动力输入装置及切换机构 (Antenna, power input device with downward inclination angle adjustment and switching mechanism ) 是由 姚化山 游建军 刘苑辉 杨仲凯 于 2019-10-21 设计创作，主要内容包括：本发明公开了一种天线、下倾角调节的动力输入装置及切换机构,该切换机构,包括支撑座,支撑座安设有可转动的输出件,输出件设有从动齿轮及连接体；调节杆,调节杆设置于支撑座上、且能够相对于支撑座伸缩移动；主动齿轮,主动齿轮与调节杆固定连接,主动齿轮用于带动从动齿轮转动；及传动件,传动件与调节杆转动连接,且传动件能够随调节杆移动,传动件与主动齿轮沿调节杆的轴线方向间隔设置,传动件设有可转动的配合部,配合部用于与连接体及输出轴传动配合。该切换机构能够独立动力源之间的灵活切换,互不干扰；将该切换机构应用于下倾角调节的动力输入装置,有利于提高稳定性；进而也有利于天线的下倾角调节的可靠性。(The invention discloses a power input device for adjusting an antenna and a downward inclination angle and a switching mechanism, wherein the switching mechanism comprises a supporting seat, wherein a rotatable output piece is arranged on the supporting seat, and the output piece is provided with a driven gear and a connecting body; the adjusting rod is arranged on the supporting seat and can move in a telescopic mode relative to the supporting seat; the driving gear is fixedly connected with the adjusting rod and is used for driving the driven gear to rotate; and the transmission part is rotatably connected with the adjusting rod and can move along with the adjusting rod, the transmission part and the driving gear are arranged at intervals along the axis direction of the adjusting rod, the transmission part is provided with a rotatable matching part, and the matching part is used for being matched with the connector and the output shaft in a transmission manner. The switching mechanism can flexibly switch between independent power sources without mutual interference; the switching mechanism is applied to a power input device for adjusting the downward inclination angle, so that the stability is improved; thereby being beneficial to the reliability of the downward inclination angle adjustment of the antenna.)

1. A switching mechanism, comprising:

the rotary output part is arranged on the supporting seat, the output part is provided with a driven gear and a connecting body, and the driven gear and the connecting body can respectively drive the output part to rotate;

the adjusting rod is arranged on the supporting seat and can move in a telescopic mode relative to the supporting seat;

the driving gear is fixedly connected with the adjusting rod and is used for driving the driven gear to rotate; and

the transmission part is rotatably connected with the adjusting rod and can move along with the adjusting rod, the transmission part and the driving gear are arranged at intervals along the axis direction of the adjusting rod, the transmission part is provided with a rotatable matching part, and the matching part is used for being in transmission matching with the connecting body and the output shaft;

when the adjusting rod moves to a first position, the driving gear is in transmission fit with the driven gear, and the output shaft is separated from the connecting body;

when the adjusting rod moves to the second position, the driving gear is separated from the driven gear, and the output shaft is in transmission fit with the connecting body through the matching part.

2. The switching mechanism of claim 1, wherein the driven gear is disposed between the connecting body and the support base, and the rotational axis of the driven gear, the rotational axis of the connecting body, and the rotational axis of the output member are collinear; the driving gear is arranged between the supporting seat and the transmission part.

3. The switching mechanism of claim 1, wherein the drive member is provided with a rotatable bushing, the bushing being provided with the engagement portion.

4. The switching mechanism of claim 3, wherein the transmission member comprises a first connection hole rotatably engaged with the adjustment lever, a second connection hole spaced apart from the first connection hole, and a locking portion disposed between the first connection hole and the second connection hole, the locking portion being configured to receive the shaft sleeve.

5. The switching mechanism according to claim 1, wherein the supporting base is provided with a mounting hole slidably engaged with the adjusting rod, and the adjusting rod is provided with a first limiting portion and a second limiting portion disposed at two ends of the mounting hole at an interval; when the adjusting rod moves to a first position, the first limiting part abuts against the supporting seat; when the adjusting rod moves to the second position, the second limiting part abuts against the supporting seat.

6. The switching mechanism according to any one of claims 1 to 5, further comprising a fixing member, wherein the fixing member is fixedly disposed at a predetermined position, and the fixing member is movably connected to the adjusting lever; the fixing piece is provided with a clamping part, and the adjusting rod is provided with a first buckling part and a second buckling part which are matched with the clamping part; when the adjusting rod moves to a first position, the clamping part is in buckling fit with the first buckling part, so that the adjusting rod rotates relative to the fixing part; when the adjusting rod moves to the second position, the clamping part is in buckling fit with the second buckling part, so that the adjusting rod rotates relative to the fixing part.

7. The switching mechanism of claim 6, wherein the locking portion comprises an elastic arc-shaped protrusion, and the first and second locking portions are annular grooves that are engaged with the arc-shaped protrusion.

8. The switching mechanism of any one of claims 1 to 5, further comprising a telescopic clutch, wherein the telescopic clutch is capable of moving the adjustment lever between the first position and the second position.

9. A power input device for adjusting a declination angle, comprising the switching mechanism as claimed in any one of claims 1 to 8, further comprising a driving handle and a rotary power output mechanism, wherein the driving handle is connected with the adjusting lever and is used for driving the driving gear to rotate, and the rotary power output mechanism is provided with the output shaft.

10. An antenna comprising the downtilt adjusted power input device of claim 9.

Technical Field

The invention relates to the technical field of antennas, in particular to a power input device for adjusting an antenna and a downward inclination angle and a switching mechanism.

Background

With the rapid development of antennas, operators have higher requirements on the adjustment mode of the electrical downtilt angle of the antenna.

The antenna on the market at present has the power input device for the integrated downward inclination angle adjustment of electric adjustment and manual adjustment. The power input device with the downward inclination angle adjustment generally has the following problems due to the defects of the switching mechanism of the power input device: when manual adjustment is carried out, the motor needs to be driven to operate, so that the adjusting torsion is large, the speed is slow, and the internal structure of the motor is easily damaged; during electric adjustment, the manual adjustment transmission device is driven to operate, and unnecessary torque loss is caused.

Disclosure of Invention

Accordingly, it is desirable to provide an antenna, a power input device for adjusting a downward inclination angle, and a switching mechanism. The switching mechanism can realize flexible switching between at least two independent power sources, and respective transmission structures are not interfered with each other in the independent working process; therefore, the switching mechanism is applied to the power input device with the downward inclination angle adjusted, so that the stability of the power input device is improved, unnecessary loss is reduced, and the utilization rate is improved; thereby being beneficial to the reliability of the downward inclination angle adjustment of the antenna.

The technical scheme is as follows:

in one aspect, the present application provides a switching mechanism comprising: the rotary output part is arranged on the supporting seat, the output part is provided with a driven gear and a connecting body, and the driven gear and the connecting body can respectively drive the output part to rotate; the adjusting rod is arranged on the supporting seat and can move in a telescopic mode relative to the supporting seat; the driving gear is fixedly connected with the adjusting rod and is used for driving the driven gear to rotate; the transmission piece is rotatably connected with the adjusting rod and can move along with the adjusting rod, the transmission piece and the driving gear are arranged at intervals along the axis direction of the adjusting rod, the transmission piece is provided with a rotatable matching part, and the matching part is used for being in transmission matching with the connecting body and the output shaft;

when the adjusting rod moves to a first position, the driving gear is in transmission fit with the driven gear, and the output shaft is separated from the connecting body; when the adjusting rod moves to the second position, the driving gear is separated from the driven gear, and the output shaft is in transmission fit with the connecting body through the matching part.

When the switching mechanism is used, the output piece is used as a power output end, the adjusting rod is driven to rotate in a direct or indirect mode, the driving gear rotates along with the adjusting rod at the moment, and the transmission piece does not rotate along with the adjusting rod; when the adjusting rod moves to the first position, the driving gear is in transmission fit with the driven gear, the output shaft is separated from the connecting body, the driving gear can be utilized to drive the driven gear, and then the output part is driven to rotate, so that power output is realized. And will when adjusting the pole and removing to the second position, the driving gear with driven gear phase separation, the output shaft passes through cooperation portion with the connector transmission cooperation, at this moment, when the output shaft is rotatory, adjust the pole irrotational, so can drive the output shaft rotation by direct or indirect mode, drive the connector and rotate, the connector drives the output piece and rotates, and then drives the output piece and rotate, realizes power take off. The output switching between different power sources is realized by switching the adjusting rod between the first position and the second position, and when the adjusting rod is driven manually, the output shaft can be driven electrically; conversely, when the adjustment lever is electrically driven, the output shaft can be manually driven.

The technical solution is further explained below:

in one embodiment, the driven gear is arranged between the connecting body and the supporting seat, and the rotating axis of the driven gear, the rotating axis of the connecting body and the rotating axis of the output piece are on the same straight line; the driving gear is arranged between the supporting seat and the transmission part.

In one embodiment, the transmission member is provided with a rotatable sleeve, which is provided with the engagement portion.

In one embodiment, the transmission member includes a first connection hole rotationally matched with the adjustment rod, a second connection hole spaced from the first connection hole, and a fastening portion disposed between the first connection hole and the second connection hole, and the fastening portion is used for mounting the shaft sleeve.

In one embodiment, the supporting seat is provided with a mounting hole in sliding fit with the adjusting rod, and the adjusting rod is provided with a first limiting part and a second limiting part which are arranged at two ends of the mounting hole at intervals; when the adjusting rod moves to a first position, the first limiting part abuts against the supporting seat; when the adjusting rod moves to the second position, the second limiting part abuts against the supporting seat.

In one embodiment, the switching mechanism further comprises a fixing piece, the fixing piece is fixedly arranged at a preset position, and the fixing piece is movably connected with the adjusting rod; the fixing piece is provided with a clamping part, and the adjusting rod is provided with a first buckling part and a second buckling part which are matched with the clamping part; when the adjusting rod moves to a first position, the clamping part is in buckling fit with the first buckling part, so that the adjusting rod rotates relative to the fixing part; when the adjusting rod moves to the second position, the clamping part is in buckling fit with the second buckling part, so that the adjusting rod rotates relative to the fixing part.

In one embodiment, the locking portion is provided with an elastic arc-shaped protrusion, and the first buckling portion and the second buckling portion are both annular grooves matched with the arc-shaped protrusion.

In one embodiment, the switching mechanism further comprises a telescopic clutch, and the telescopic clutch can drive the adjusting rod to switch between the first position and the second position.

On the other hand, the application also provides a power input device for adjusting the downward inclination angle, which comprises the switching mechanism in any one of the embodiments, and further comprises a driving handle and a rotary power output mechanism, wherein the driving handle is connected with the adjusting rod and used for driving the driving gear to rotate, and the rotary power output mechanism is provided with the output shaft.

When the power input device with the declination angle adjustment function is used, the driving handle is connected with the adjusting rod, the rotary power output mechanism is provided with the output shaft, the output piece is used as a power output end, and the transmission piece does not rotate along with the adjusting rod. So when the regulation pole removes to the primary importance, the driving gear with driven gear transmission cooperation, the output shaft with connector phase separation drives the regulation pole through the driving handle and rotates, and then drives the driving gear rotatory, can utilize the driving gear to drive driven gear, and then drives output and rotate, realizes power take off. When the adjusting rod is moved to the second position, the driving gear is separated from the driven gear, the output shaft is in transmission fit with the connecting body through the matching part, at the moment, the adjusting rod does not rotate when the output shaft rotates, the output shaft of the rotary power output mechanism is rotated by electrifying the adjusting rod, the connecting body is driven to rotate, the connecting body drives the output piece to rotate, and then the output piece is driven to rotate, so that power output is realized. The power input device for adjusting the downward inclination angle adopts the switching mechanism, so that the stability of the power input device is improved, unnecessary loss is reduced, and the utilization rate is improved.

On the other hand, the application also provides an antenna which comprises the power input device for adjusting the downward inclination angle in any one of the above embodiments.

The antenna adopts the power input device for adjusting the downward inclination angle, and is favorable for improving the stability and the reliability of the antenna during the adjustment of the downward inclination angle.

Drawings

Fig. 1 is a schematic structural diagram of a switching mechanism shown in an embodiment (an adjusting lever is in a first position);

FIG. 2 is a schematic view of an adjustment lever of the switching mechanism of FIG. 1 in a second position;

FIG. 3 is a schematic three-dimensional structure of the output member shown in FIG. 1;

FIG. 4 is a schematic three-dimensional view of the transmission member shown in FIG. 1;

FIG. 5 is a schematic three-dimensional structure of the bushing shown in FIG. 1;

FIG. 6 is a schematic three-dimensional view of the fastener shown in FIG. 1;

FIG. 7 is a schematic diagram of a switching mechanism according to an embodiment;

FIG. 8 is a schematic diagram of a power input apparatus employing a down tilt adjustment of the switching mechanism shown in FIG. 1 in one embodiment;

fig. 9 is a schematic three-dimensional structure diagram of the downward inclination angle-adjusted power input device shown in fig. 8.

Description of reference numerals:

10. the device comprises a switching mechanism, 100, a supporting seat, 110, a mounting hole, 200, an output piece, 210, a driven gear, 220, a connecting body, 222, an external tooth structure, 300, an adjusting rod, 310, a first limiting part, 320, a second limiting part, 330, a first buckling part, 340, a second buckling part, 400, a driving gear, 500, a transmission piece, 510, a first connecting hole, 520, a second connecting hole, 530, a buckling part, 600, a shaft sleeve, 610, a matching part, 612, an internal tooth structure, 700, a fixing piece, 710, a clamping part, 800, a telescopic clutch, 20, a driving handle, 30, a rotary power output mechanism, 32, an output shaft, 40, a declination angle display mechanism, 42, a transmission shaft, 50 and a transmission screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when an element is referred to as being "fixedly coupled" to another element, it can be non-removably secured or removably secured. When one element is considered as a 'transmission fit' element, the two elements can be matched in a detachable connection mode, so long as power transmission can be achieved, such as sleeving connection, clamping connection and the like, can be achieved in the prior art, and the operation is not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

References to "first" and "second" in this disclosure do not denote any particular order or quantity, but rather are used to distinguish one element from another.

As shown in fig. 1 to 3, in the present embodiment, a switching mechanism 10 is provided, which includes: the supporting seat 100, the supporting seat 100 is provided with a rotatable output member 200, the output member 200 is provided with a driven gear 210 and a connecting body 220, and the driven gear 210 and the connecting body 220 can respectively drive the output member 200 to rotate; an adjustment lever 300 which is provided on the support base 100 and which is capable of extending and retracting relative to the support base 100; the driving gear 400 is fixedly connected with the adjusting rod 300, and the driving gear 400 is used for driving the driven gear 210 to rotate; the transmission piece 500 is rotatably connected with the adjusting rod 300, the transmission piece 500 can move along with the adjusting rod 300, the transmission piece 500 and the driving gear 400 are arranged at intervals along the axial direction of the adjusting rod 300, the transmission piece 500 is provided with a rotatable matching part 610, and the matching part 610 is used for being in transmission matching with the connecting body 220 and the output shaft 32;

when the adjusting lever 300 moves to the first position, the driving gear 400 is in transmission fit with the driven gear 210, and the output shaft 32 is separated from the connecting body 220; when the adjustment lever 300 is moved to the second position, the driving gear 400 is separated from the driven gear 210, and the output shaft 32 is in transmission engagement with the connection body 220 through the engagement portion 610.

When the switching mechanism 10 is used, the output member 200 is used as a power output end (which may be in transmission connection with a transmission screw), and drives the adjusting lever 300 to rotate in a direct or indirect manner, at this time, the driving gear 400 rotates along with the adjusting lever 300, and the transmission member 500 does not rotate along with the adjusting lever 300; therefore, when the adjusting lever 300 moves to the first position, the driving gear 400 is in transmission fit with the driven gear 210, the output shaft 32 is separated from the connecting body 220, and the driving gear 400 can be utilized to drive the driven gear 210, so as to drive the output member 200 to rotate, thereby realizing power output. When the adjusting rod 300 is moved to the second position, the driving gear 400 is separated from the driven gear 210, the output shaft 32 is in transmission fit with the connecting body 220 through the matching portion 610, at this time, when the output shaft 32 rotates, the adjusting rod 300 does not rotate, so the output shaft 32 can be directly or indirectly driven to rotate, the connecting body 220 is driven to rotate, the connecting body 220 drives the output member 200 to rotate, and then the output member 200 is driven to rotate, so that power output is realized. The output switching between different power sources is realized by switching the adjusting rod 300 between the first position and the second position, and when the adjusting rod 300 is driven manually, the output shaft 32 can be driven electrically; conversely, when the adjustment lever 300 is electrically driven, the output shaft 32 may be manually driven. Of course, the adjustment lever 300 and the output shaft 32 may be driven manually or by different electric means.

It can be understood that, when there are at least two connecting bodies 220 or driven gears 210, the adjusting rod 300 moves correspondingly to the corresponding driving gear 400 and driving member 500, so as to realize flexible switching between at least three independent power sources.

It should be noted that the driving gear 400 and the driven gear 210 are engaged directly or indirectly, for example, when the driving gear is engaged indirectly, at least one driving gear may be used for the driving engagement. This allows more flexibility in the arrangement between the driving gear 400 and the driven gear 210.

In one embodiment, the driving gear 400 is engaged with the driven gear 210, and a guide portion (not shown) is disposed between the driving gear 400 and the driven gear 210, and the guide portion is a rounded or inverted cone. So, be favorable to driving gear 400 and driven gear 210's grafting direction cooperation, the meshing is more accurate, avoids appearing the card phenomenon of dying.

On the basis of the above embodiments, as shown in fig. 1 and fig. 2, in one embodiment, the driven gear 210 is disposed between the connecting body 220 and the supporting seat 100, and the rotation axis of the driven gear 210, the rotation axis of the connecting body 220 and the rotation axis of the output member 200 are on the same straight line; the driving gear 400 is disposed between the supporting base 100 and the transmission member 500. Thus, the structure of the switching mechanism 10 can be more compact, which is beneficial to the miniaturization of the antenna.

Further, as shown in fig. 1 and 2, in one embodiment, the adjusting rod 300 and the output member 200 are disposed on the supporting base 100 at an interval. In this manner, a misalignment space is conveniently formed between the adjustment lever 300 and the output member 200 so that the driving gear 400 can be directly or indirectly engaged with the driven gear 210.

In addition to any of the above embodiments, as shown in fig. 1 and fig. 2, in one embodiment, the transmission member 500 is provided with a rotatable shaft sleeve 600, and the shaft sleeve 600 is provided with an engaging portion 610. So, can utilize the mode of axle sleeve 600 to realize the structure of cooperation portion 610, easily realize cup jointing the transmission cooperation, be convenient for separation or butt joint.

Further, as shown in fig. 5, in an embodiment, the engaging portion 610 is provided with an internal tooth structure 612, and the connecting body 220 and the output shaft 32 are provided with an external tooth structure 222 that is in limit fit with the internal tooth structure 612. Thus, the adjusting rod 300 can drive the transmission member 500 to move up and down, so as to realize the transmission matching or separation of the connecting body 220 and the output shaft 32.

The tooth profile structures of the internal tooth structure 612 and the external tooth structure 222 can be various, and can be realized by any one of the tooth profile structures in the prior art which can meet the requirements. And the end of the tooth-shaped structure of the internal tooth structure 612 or/and the external tooth structure 222 is provided with a guide part which is a rounded corner or a reverse taper angle.

Of course, in other embodiments, the fitting portion 610 may be implemented in other structures.

In addition, as shown in fig. 4, in an embodiment, the transmission member 500 includes a first connection hole 510 rotatably engaged with the adjustment lever 300, a second connection hole 520 spaced apart from the first connection hole 510, and a fastening portion 530 disposed between the first connection hole 510 and the second connection hole 520, wherein the fastening portion 530 is used for mounting the shaft sleeve 600. Thus, the shaft sleeve 600 is mounted by the fastening part 530, so that the shaft sleeve 600 can rotate relative to the transmission member 500 and is convenient to disassemble and assemble. Meanwhile, the first connecting hole 510 is rotatably matched with the adjusting rod 300, and the second connecting hole 520 is rotatably matched with the transmission shaft 42 of the lower inclination angle display mechanism 40, so that the internal transmission structure of the antenna is more compact, and the miniaturization development of the antenna is facilitated.

On the basis of any of the above embodiments, as shown in fig. 1 or fig. 2, in an embodiment, the supporting seat 100 is provided with a mounting hole 110 slidably engaged with the adjusting rod 300, and the adjusting rod 300 is provided with a first limiting portion 310 and a second limiting portion 320 disposed at two ends of the mounting hole 110 at intervals; when the adjusting lever 300 moves to the first position, the first position-limiting portion 310 abuts against the supporting seat 100; when the adjustment lever 300 moves to the second position, the second position-limiting portion 320 abuts against the support base 100. Therefore, the adjusting rod 300 can move telescopically along the mounting hole 110, the first limiting portion 310 and the second limiting portion 320 are used for limiting the moving range of the adjusting rod 300, the adjusting rod 300 can be controlled to move to the first position and the second position accurately, errors are avoided, and transmission precision is improved.

On the basis of any of the above embodiments, as shown in fig. 1, fig. 2 and fig. 6, in an embodiment, the switching mechanism 10 further includes a fixing member 700, the fixing member 700 is fixedly disposed at a predetermined position, and the fixing member 700 is movably connected to the adjustment lever 300; the fixing member 700 is provided with a locking portion 710, and the adjusting lever 300 is provided with a first fastening portion 330 and a second fastening portion 340 which are matched with the locking portion 710; when the adjusting lever 300 is moved to the first position, the locking portion 710 is in snap fit with the first buckle portion 330, so that the adjusting lever 300 rotates relative to the fixing member 700; when the adjustment lever 300 is moved to the second position, the locking portion 710 is in snap fit with the second buckle portion 340, such that the adjustment lever 300 rotates relative to the fixing member 700. Therefore, the adjusting rod 300 can be switched and positioned between the first position and the second position in a buckling mode, operation and implementation are easy, and the stability of the transmission structure during transmission is improved. The fixing member 700 may have various specific configurations, and only has to be fixed to an external fixture and to have the fastening part 710.

Further, as shown in fig. 6, in an embodiment, the locking portion 710 has an elastic arc-shaped protrusion (not labeled), and the first fastening portion 330 and the second fastening portion 340 are annular grooves matching with the arc-shaped protrusion. Therefore, the elastic arc-shaped bulge can be pulled to exert certain force to move the adjusting rod 300 again from the annular groove; when the adjusting lever 300 moves to the first position or the second position, the annular protrusion can be matched with the annular groove, and the rotation of the adjusting lever 300 is not affected.

It should be noted that, the "elastic arc-shaped protrusion" may be the arc-shaped protrusion itself with elasticity, or may be made elastic by other elastic elements.

In addition to any of the above embodiments, as shown in fig. 7, in an embodiment, the switching mechanism 10 further includes a telescopic clutch 800, and the telescopic clutch 800 can drive the adjusting lever 300 to switch between the first position and the second position. Thus, the conventional telescopic clutch 800 can be used for switching the adjusting rod 300 between the first position and the second position; the telescopic clutch 800 is provided with a telescopic end, and the telescopic end is extended or retracted by a button. The specific structure can refer to the extending and retracting of the pen point of a ball-point pen.

In one embodiment, the adjusting lever 300 is further sleeved with a return spring (not labeled), and the return spring is disposed between the driving gear 400 and the supporting base 100. Thus, the automatic reset of the adjustment lever 300 can be realized.

As shown in fig. 1, 2, 8 and 9, in an embodiment, a power input device for adjusting a downward inclination angle is further provided, which includes the switching mechanism 10 in any of the above embodiments, and further includes a driving handle 20 and a rotary power output mechanism 30, the driving handle 20 is connected to the adjusting lever 300 for driving the driving gear 400 to rotate, and the rotary power output mechanism 30 is provided with an output shaft 32.

When the power input device for adjusting the declination angle is used, the driving handle 20 is connected with the adjusting rod 300, the rotary power output mechanism 30 is provided with the output shaft 32, the output member 200 is used as a power output end, and the transmission member 500 does not rotate along with the adjusting rod 300. So when adjusting pole 300 and removing to the first position, driving gear 400 and driven gear 210 transmission cooperation, output shaft 32 and connector 220 phase separation drive through driving handle 20 and adjust pole 300 rotatory, and then drive driving gear 400 rotatory, can utilize driving gear 400 to drive driven gear 210, and then drive output 200 and rotate, realize power take off. When the adjusting lever 300 is moved to the second position, the driving gear 400 is separated from the driven gear 210, the output shaft 32 is in transmission fit with the connecting body 220 through the fitting portion 610, at this time, when the output shaft 32 rotates, the adjusting lever 300 does not rotate, and thus the output shaft 32 of the rotary power output mechanism 30 rotates by being electrified, the connecting body 220 is driven to rotate, the connecting body 220 drives the output member 200 to rotate, and further the output member 200 is driven to rotate, so that power output is realized. The power input device for adjusting the downward inclination angle adopts the switching mechanism 10, so that the stability of the power input device is improved, unnecessary loss is reduced, and the utilization rate is improved.

The rotary power output mechanism 30 includes any conventional device capable of increasing rotary power, such as a motor and a rotary hydraulic cylinder.

The specific structure of the driving handle 20 can be various, such as a rotary plate, a linear handle, a cross handle, a connector (driven by a wrench), etc.

In one embodiment, an antenna is further provided, which includes the power input device for adjusting the downward inclination angle in any of the above embodiments.

The antenna adopts the power input device for adjusting the downward inclination angle, and is favorable for improving the stability and the reliability of the antenna during the adjustment of the downward inclination angle.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.