An antenna shifting mechanism

Abstract

The application discloses an antenna gear shifting mechanism, which comprises a rack, a gear shifting component and at least one electric adjusting component arranged on the rack. The gear shifting component comprises a gear shifting rod, a connecting piece and a gear shifting wheel. The electric adjusting component comprises an electric adjusting wheel. The electric adjusting wheel is engaged with the gear shifting wheel. The gear shifting wheel is rotatably arranged on the connecting piece. The gear shifting wheel is slidably arranged on the gear shifting rod. The antenna gear shifting mechanism further comprises a self-locking piece, a supporting arm and an elastic piece for resetting the self-locking piece. One end of the elastic piece is connected to the rack. The other end of the elastic piece is connected to the self-locking piece. A lock core is arranged on the self-locking piece. The self-locking piece is slidably arranged on the rack. The lock core is clamped between the gear teeth of the electric adjusting wheel. The lock core of the self-locking piece is clamped between the gear teeth of the electric adjusting wheel, which can prevent the electric adjusting wheel from rotating during non-electric adjusting period, avoid the deflection of the radiation angle of the antenna under the interference of the external environment and effectively improve the stability of the antenna gear shifting mechanism.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication antennas, and particularly relates to an antenna gear shifting mechanism. BACKGROUND

[0002] In the field of mobile communication technology, the guarantee of the precision of the antenna radiation angle is of great significance to the coverage of the antenna area. The conventional antenna changes the antenna radiation angle by adjusting the phase shifter of the base station antenna, so that the signal of the antenna achieves full coverage of the service area. Most of the existing antennas adjust the antenna radiation angle by using an antenna transmission mechanism, i.e. a remote electrically adjustable device. As described in the patent document with the application number 201910004039.3, the radiation angle of the antenna of the device is prone to deflection under external interference in an outdoor environment. The antenna gear shifting mechanism with weak stability is difficult to ensure that the antenna remains stable and efficient for a long time in an outdoor condition. SUMMARY

[0003] The technical problem to be solved by the present application is to provide an antenna gear shifting mechanism with strong stability.

[0004] To solve the above technical problem, the technical scheme adopted by the present application is as follows: an antenna gear shifting mechanism, comprising a rack and a gear shifting assembly and at least one electrically adjustable assembly arranged on the rack, wherein the gear shifting assembly comprises a gear shifting rod, a connecting piece and a gear shifting wheel, the electrically adjustable assembly comprises an electrically adjustable wheel, the electrically adjustable wheel is engaged with the gear shifting wheel, the connecting piece is rotatably provided with the gear shifting wheel, the gear shifting wheel is slidably sleeved on the gear shifting rod, and further comprising a self-locking assembly, the self-locking assembly comprises a self-locking piece, an abutting arm and an elastic piece for resetting the self-locking piece, one end of the elastic piece is connected to the rack, the other end of the elastic piece is connected to the self-locking piece, a lock core is arranged on the self-locking piece, the self-locking piece is slidably arranged on the rack, and the lock core is clamped between the gear teeth of the electrically adjustable wheel.

[0005] The present application has the beneficial effect that the lock core on the self-locking piece is clamped between the gear teeth of the electrically adjustable wheel, which can prevent the electrically adjustable wheel from rotating during non-electrically adjustable period, avoid the deflection of the antenna radiation angle under the interference of the external environment, and effectively improve the stability of the antenna gear shifting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 FIG. 1 is a structural schematic view of the antenna gear shifting mechanism of the present application embodiment one;

[0007] Figure 2 FIG. 2 is a structural schematic view of the antenna gear shifting mechanism of the present application embodiment one from another perspective;

[0008] Figure 3 FIG. 3 is an enlarged view of detail A in FIG. 2; Figure 2 ​

[0009] Figure 4 Fig. 1 is a schematic view of a part of the antenna gear mechanism of the first embodiment of the present application;

[0010] Figure 5 Fig. 2 is a schematic view of another part of the antenna gear mechanism of the first embodiment of the present application.

[0011] Reference numerals:

[0012] 1. frame

[0013] 2. gear lever

[0014] 3. connecting piece

[0015] 4. gear wheel

[0016] 5. electrically controlled wheel

[0017] 6. self-locking piece

[0018] 7. abutting arm

[0019] 8. elastic piece

[0020] 9. lock core

[0021] 10. guide surface

[0022] 11. electrically controlled screw

[0023] 12. driving rod

[0024] 13. driving wheel

[0025] 14. electrically controlled piece

[0026] 15. bevel gear

[0027] 16. first driving piece

[0028] 17. second driving piece DETAILED DESCRIPTION

[0029] The technical content, the achieved purposes and effects of the present application will be described in detail below in combination with the embodiments and the accompanying drawings.

[0030] The most key idea of the present application is that the lock core of the self-locking piece is clamped between the gear teeth of the electrically controlled wheel, which can prevent the electrically controlled wheel from rotating during non-electrically controlled period.

[0031] Please refer to Figures 1 to 5The application discloses an antenna gear shifting mechanism, which comprises a frame 1, a gear shifting component arranged on the frame 1 and at least one electric adjusting component, the gear shifting component comprises a gear shifting rod 2, a connecting piece 3 and a gear shifting wheel 4, the electric adjusting component comprises an electric adjusting wheel 5, the electric adjusting wheel 5 is engaged with the gear shifting wheel 4, the connecting piece 3 is rotatably provided with the gear shifting wheel 4, the gear shifting wheel 4 is slidably sleeved on the gear shifting rod 2, and a self-locking component is further arranged, the self-locking component comprises a self-locking piece 6, a bearing arm 7 and an elastic piece 8 for resetting the self-locking piece 6, one end of the elastic piece 8 is connected to the frame 1, the other end of the elastic piece 8 is connected with the self-locking piece 6, a lock core 9 is arranged on the self-locking piece 6, the self-locking piece 6 is slidably arranged on the frame 1, and the lock core 9 is clamped between the gear teeth of the electric adjusting wheel 5.

[0032] The working principle of the application is briefly described as follows: during electric adjusting, the bearing arm bears against the self-locking piece, the elastic piece is stretched, and the lock core is withdrawn from between the gear teeth of the electric adjusting wheel, so that the antenna gear shifting mechanism can be normally operated; after the electric adjusting action is finished, the bearing arm moves along the length direction of the gear shifting rod with the connecting piece, the bearing between the bearing arm and the self-locking piece is eliminated, the elastic piece is restored, the self-locking piece slides on the frame, and the lock core is clamped between the gear teeth of the electric adjusting wheel to form self-locking.

[0033] From the above description, it can be known that the application has the beneficial effects that the lock core on the self-locking piece is clamped between the gear teeth of the electric adjusting wheel, the rotation of the electric adjusting wheel during non-electric adjusting can be prevented, the deflection of the antenna radiation angle under the interference of the outside world can be avoided, and the stability of the antenna gear shifting mechanism is effectively improved.

[0034] Further, the self-locking piece 6 is provided with a guide surface 10, and the guide surface 10 is arranged along the moving direction of the connecting piece 3.

[0035] Further, the self-locking piece 6 is provided with the guide surface 10 on the opposite two ends.

[0036] From the above description, it can be known that the guide surface facilitates the bearing arm and the self-locking piece to form or exit the bearing.

[0037] Further, the antenna gear shifting mechanism further comprises a driving component arranged on the frame 1, the electric adjusting component further comprises an electric adjusting screw 11, the driving component comprises a driving rod 12 and a driving wheel 13, the driving rod 12 is arranged in parallel with the gear shifting rod 2, the driving wheel 13 is slidably sleeved on the driving rod 12, one end of the driving wheel 13 is rotatably connected to the connecting piece 3, the other end of the connecting piece 3 is movably sleeved on the gear shifting rod 2, the gear shifting wheel 4 is rotatably sleeved on the connecting piece 3 and engaged with the driving wheel 13, and the electric adjusting screw 11 is in transmission connection with the electric adjusting wheel 5.

[0038] Further, the outer wall of the shift lever 2 is provided with a first thread, and the inner wall of the other end of the connecting piece 3 is provided with a second thread matched with the first thread.

[0039] As described above, the shift lever and the connecting piece are matched through thread transmission, and the transmission is more efficient.

[0040] Further, the driving rod 12 is a rhombic column, and the inner wall of the driving wheel 13 is matched with the outer wall of the driving rod 12.

[0041] As described above, the driving rod in the shape of a rhombic column can prevent the driving wheel from loosening when matched with the driving wheel.

[0042] Further, the electric adjusting assembly further comprises an electric adjusting piece 14, which is sleeved on the electric adjusting screw 11 and movably arranged along the electric adjusting screw 11.

[0043] As described above, the shift assembly and the driving assembly freely adjust the electric adjusting piece, the electric adjusting piece can be connected with external devices, and different working tasks can be coped with.

[0044] Further, the electric adjusting piece 14 comprises a sleeve and a positioning block fixedly connected, the sleeve is sleeved on the electric adjusting screw 11, the inner wall of the sleeve is provided with a thread matched with the electric adjusting screw 11, the rack 1 is provided with a positioning groove arranged along the axis of the electric adjusting screw 11, and the end of the positioning block away from the sleeve penetrates through the positioning groove and extends out of the rack 1.

[0045] As described above, the electric adjusting screw drives the positioning block, and the positioning block can realize linear reciprocating motion under the limiting of the positioning groove.

[0046] Further, the electric adjusting assembly further comprises a bevel gear 15, and the electric adjusting wheel 5 is connected with the electric adjusting screw 11 through the bevel gear 15.

[0047] Further, the number of the electric adjusting wheels 5 is multiple, and the multiple electric adjusting wheels 5 are arranged in a row.

[0048] As described above, multiple electric adjusting wheels can realize the regulation and switching of multiple different gears of the antenna shift mechanism, and more complex actual problems can be coped with.

[0049] Embodiment one

[0050] Please refer to Figures 1 to 5The embodiment of the present application is: an antenna gear shifting mechanism, comprising a frame 1, a gear shifting assembly and at least one electric adjusting assembly arranged on the frame 1, the gear shifting assembly comprising a gear shifting rod 2, a connecting piece 3 and a gear shifting wheel 4, the electric adjusting assembly comprising an electric adjusting wheel 5; the electric adjusting wheel 5 is engaged with the gear shifting wheel 4, the connecting piece 3 is rotatably provided with the gear shifting wheel 4, and the gear shifting wheel 4 is slidably sleeved on the gear shifting rod 2; further comprising a self-locking assembly, the self-locking assembly comprising a self-locking piece 6, an abutting arm 7 and an elastic piece 8 for resetting the self-locking piece 6, one end of the elastic piece 8 is connected to the frame 1, the other end of the elastic piece 8 is connected with the self-locking piece 6, the self-locking piece 6 is provided with a lock core 9, and the self-locking piece 6 is slidably arranged on the frame 1, please refer to Figure 4 , the lock core 9 is clamped between the gear teeth of the electric adjusting wheel 5.

[0051] In detail, further comprising a driving assembly arranged on the frame 1, the electric adjusting assembly further comprising an electric adjusting screw 11, the driving wheel 13 comprising a driving rod 12 and a driving wheel 13, the driving rod 12 is arranged in parallel with the gear shifting rod 2, the driving wheel 13 is slidably sleeved on the driving rod 12, one end of the driving wheel 13 is rotatably connected to the connecting piece 3, the other end of the connecting piece 3 is movably sleeved on the gear shifting rod 2, the gear shifting wheel 4 is rotatably sleeved on the connecting piece 3 and engaged with the driving wheel 13; the electric adjusting screw 11 is in transmission connection with the electric adjusting wheel 5, in this embodiment, the self-locking piece 6 and the lock core 9 are integrally formed.

[0052] It is easy to understand that the gear shifting wheel 4 and the driving wheel 13 are rotatably arranged on the connecting piece 3, the connecting piece 3 is provided with the abutting arm 7, in the normal electric adjusting gear shifting condition, the abutting arm 7 abuts on the connecting piece 3, the gear shifting wheel 4 drives the electric adjusting wheel 5 to rotate under the driving of the driving wheel 13 to realize electric adjusting; after the electric adjusting is completed, the connecting piece 3 moves in the length direction of the gear shifting rod 2, the abutting arm 7 no longer abuts on the connecting piece 3, the self-locking piece 6 is reset under the elasticity of the elastic piece 8, so that the lock core 9 on the self-locking piece 6 is clamped between the gear teeth of the electric adjusting wheel 5, preventing the electric adjusting assembly from deflecting or moving.

[0053] In this embodiment, please refer to Figure 3 , the self-locking piece 6 is provided with a guide surface 10, the guide surface 10 is arranged along the moving direction of the connecting piece 3, specifically, the opposite ends of the self-locking piece 6 are both provided with the guide surface 10. Please refer to Figure 4 , the frame 1 is provided with a sliding groove, the self-locking piece 6 is accommodated in the sliding groove and is slidably arranged along the length direction of the sliding groove.

[0054] Optionally, the outer wall of the gear shifting rod 2 is provided with a first thread, and the inner wall of the other end of the connecting piece 3 is provided with a second thread matched with the first thread.

[0055] In detail, the driving rod 12 is a rhombic column, and the inner wall of the driving wheel 13 is attached to the outer wall of the driving rod 12.

[0056] The electric adjusting assembly further comprises an electric adjusting piece 14, which is sleeved on the electric adjusting screw 11 and movably arranged along the electric adjusting screw 11.

[0057] The electric adjusting piece 14 is slidably arranged on the electric adjusting screw 11, and the key lies in that the electric adjusting piece 14 comprises a sleeve (not shown in the figure) and a positioning block (not shown in the figure) fixedly connected, the sleeve is sleeved on the electric adjusting screw 11, the inner wall of the sleeve is provided with threads matched with the electric adjusting screw 11, and the machine frame 1 is provided with a positioning groove (not shown in the figure) arranged along the electric adjusting screw 11 in the axial direction, and the positioning block is arranged with one end away from the sleeve penetrating through the positioning groove and extending out of the machine frame 1.

[0058] Optionally, the first driving piece 16 and the second driving piece 17 are further included, the first driving piece 16 is used for driving the driving assembly, the second driving piece 17 is used for driving the gear shifting assembly, and preferably, the first driving piece 16 and the second driving piece 17 are both electric motors.

[0059] Please refer to Figure 3 , the electric adjusting assembly further comprises a bevel gear 15, and the electric adjusting wheel 5 is engaged with the electric adjusting screw 11 through the bevel gear 15.

[0060] Please refer to the attached Figure 2 and the attached Figure 4 In the embodiment, the number of the electric adjusting wheels 5 is multiple, and the multiple electric adjusting wheels 5 are arranged in rows, and in detail, the electric adjusting wheels 5 arranged in rows comprise two rows, and the upper and lower rows of electric adjusting wheels 5 are arranged in an interlaced manner.

[0061] In summary, the antenna gear shifting mechanism provided by the application can prevent the electric adjusting wheel from rotating during non-electric adjusting by clamping the locking core of the self-locking piece between the teeth of the electric adjusting wheel, can avoid the deflection of the radiation angle of the antenna under the interference of the external environment, and effectively improves the stability of the antenna gear shifting mechanism.

[0062] The above only describes the embodiments of the application, and does not limit the patent range of the application, and any equivalent transformation or direct or indirect application in the related technical field by using the content of the specification and the drawings of the application is also included in the patent protection range of the application.

Claims

1. An antenna shifting mechanism, comprising a frame and a shifting assembly and at least one electronically adjustable assembly mounted on the frame, the shifting assembly comprising a shift lever, a connecting member, and a shift wheel, the electronically adjustable assembly comprising an electronically adjustable wheel; the electronically adjustable wheel meshes with the shift wheel, the connecting member rotatably mounts the shift wheel, and the shift wheel is slidably sleeved on the shift lever; characterized in that: It also includes a self-locking assembly, which includes a self-locking member, a supporting arm, and an elastic member for resetting the self-locking member. One end of the elastic member is connected to the frame, and the other end of the elastic member is connected to the self-locking member. The self-locking member is provided with a lock cylinder, and the self-locking member is slidably disposed on the frame. The lock cylinder is engaged between the teeth of the electric adjusting wheel. The self-locking member is provided with a guide surface, which is arranged along the direction of movement of the connecting member.

2. The antenna shifting mechanism according to claim 1, characterized in that: The self-locking component has guide surfaces at both opposite ends.

3. The antenna shifting mechanism according to claim 1, characterized in that: It also includes a drive assembly mounted on the frame. The electronically adjustable assembly further includes an electronically adjustable screw. The drive assembly includes a drive rod and a drive wheel. The drive rod is arranged parallel to the shift lever. The drive wheel is slidably sleeved on the drive rod. The drive wheel is rotatably connected to one end of the connecting member. The other end of the connecting member is movably sleeved on the shift lever. The shift wheel is rotatably sleeved on the connecting member and meshes with the drive wheel. The electronically adjustable screw is drively connected to the electronically adjustable wheel.

4. The antenna shifting mechanism according to claim 3, characterized in that: The outer wall of the shift lever is provided with a first thread, and the inner wall of the other end of the connector is provided with a second thread that matches the first thread.

5. The antenna shifting mechanism according to claim 3, characterized in that: The drive rod is a rhomboid prism, and the inner wall of the drive wheel is in contact with the outer wall of the drive rod.

6. The antenna shifting mechanism according to claim 3, characterized in that: The ESC assembly further includes an ESC component, which is sleeved on the ESC screw and movably disposed along the ESC screw.

7. The antenna shifting mechanism according to claim 6, characterized in that: The ESC component includes a fixedly connected sleeve and a positioning block. The sleeve is sleeved on the ESC screw, and the inner wall of the sleeve is provided with a thread adapted to the ESC screw. The frame is provided with a positioning groove arranged along the axial direction of the ESC screw, and the end of the positioning block away from the sleeve extends out of the frame through the positioning groove.

8. The antenna shifting mechanism according to claim 3, characterized in that: The ESC assembly also includes a bevel gear, and the ESC wheel is connected to the ESC screw via the bevel gear.

9. The antenna shifting mechanism according to claim 1, characterized in that: The number of the ESC wheels is multiple, and the multiple ESC wheels are arranged in a row.

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