Fixing mechanism of monitoring camera
Technical Field
The invention belongs to the field of camera installation, and particularly relates to a fixing mechanism of a monitoring camera.
Background
The monitoring camera is a semiconductor imaging device and has the advantages of high sensitivity, strong light resistance, small distortion, small volume, long service life, vibration resistance and the like. In a security system for a surveillance camera. The image generation is currently mainly from a CCD camera, and the stored charge can be extracted to change the voltage, and has vibration and impact resistant characteristics and is widely used.
Current surveillance camera head's fixed establishment is mostly rod-type support, and the installation back is unstable to need use assembly and disassembly tools to remove when dismantling surveillance camera head and dismantle, consequently very inconvenient.
Disclosure of Invention
To solve at least one of the problems described above in the background art, the present invention provides a fixing mechanism for a monitoring camera.
In order to achieve the purpose, the invention provides the following technical scheme: a fixing mechanism of a monitoring camera comprises a mounting box and an expansion bracket, wherein the rear end face of the mounting box is connected with a mounting plate, a fastener is arranged at the edge of the lower part of the mounting plate, the expansion bracket is connected in an internal cavity of the mounting box in a sliding manner, a turning plate is arranged at the edge of the upper end of the mounting box, and the upper end face of the expansion bracket is provided with the monitoring camera; the left side surface of the mounting box is rotatably connected with a handle, the right end of the handle is fixedly connected with a first transmission gear, the right side of the first transmission gear is fixedly connected with a rotating shaft, the bottom of the mounting box is fixedly connected with a supporting plate, the rotating shaft is rotatably connected with the supporting plate, the upper end of the first transmission gear is provided with a third transmission gear, the lower end of the first transmission gear is provided with a second transmission gear, the right end of the second transmission gear is connected with a lead screw, the right end of the lead screw is in threaded connection with a telescopic frame, the right end of the third transmission gear is fixedly connected with a first sleeve, the inner side of the first sleeve is in threaded connection with a third sleeve, the inner side of the third sleeve is fixedly connected with a first rack, the inner side of the third sleeve is connected with a fixed rod, one end of the fixed rod is provided with a first groove, and the other end of the fixed rod is provided with a second groove, the inside of dead lever rotates and is connected with intermediate gear, the second sleeve is installed to the telescopic right-hand member of third, the dead lever inboard sets up sliding connection and has the sliding shaft, the left end fixedly connected with second rack of sliding shaft, the sliding shaft outside rotates and is connected with the bullet piece, the mid portion fixedly connected with spring of bullet piece.
According to the invention, the second sleeve and the sliding shaft which can move in opposite directions are arranged, the elastic block which can be automatically popped out from the second groove is arranged on the sliding shaft, so that the two sides of the monitoring camera are clamped, the installation is convenient and rapid, the telescopic frame can be automatically retracted into the installation box to carry out secondary protection on the monitoring camera while the monitoring camera is clamped by the second sleeve and the elastic block, and the reliability of the fixing mechanism for installing the monitoring camera is further improved.
Preferably, the first transmission gear and the second transmission gear are in meshing transmission, the expansion bracket is in sliding connection with the mounting box, and the left end of the screw rod is in rotating connection with the mounting box.
Preferably, the first transmission gear is in meshing transmission with the third transmission gear, the third transmission gear drives the first sleeve fixedly connected with the third transmission gear to rotate, the first sleeve rotates to drive the third sleeve to slide outside the fixing rod through internal threads, the first rack inside the third sleeve is in meshing transmission with the intermediate gear, the intermediate gear is in meshing rotation with the second rack, and when the first rack moves, the second rack moves towards the direction of the first rack.
Preferably, the third sleeve pushes the second sleeve to slide on the outer side of the fixing rod, and the first rack in the third sleeve drives the sliding shaft to move towards the second sleeve through gear transmission.
Preferably, the speed that the lead screw drives the expansion bracket to move is less than the speed that the second sleeve moves relative to the sliding shaft, and the mounting hole of the monitoring camera is sleeved on the outer side of the fixing rod and between the second sleeve and the elastic block when the mounting is completed.
Preferably, the groove of the sliding shaft for installing the spring block corresponds to the second groove of the fixing rod, and when the sliding shaft moves towards the middle gear, the swinging end of the spring block can be popped out from the second groove.
Preferably, when the monitoring camera is clamped, the right end face of the second sleeve is in contact with the left end face of the monitoring camera, and the right end face of the monitoring camera is in contact with the swinging end of the elastic block; when the elastic block is in a vertical state, the monitoring camera is clamped outside the fixing rod by the second sleeve and the elastic block.
Preferably, the mounting plate and the mounting box are connected in a welding mode, and the mounting box is connected with the mounting hole in the mounting position through a fastener.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the second sleeve and the sliding shaft which can move in opposite directions are arranged, the elastic block which can be automatically popped out from the second groove is arranged on the sliding shaft, so that the two sides of the monitoring camera are clamped, the installation is convenient and rapid, the telescopic frame can be automatically retracted into the installation box to carry out secondary protection on the monitoring camera while the monitoring camera is clamped by the second sleeve and the elastic block, and the reliability of the fixing mechanism for installing the monitoring camera is further improved.
2. According to the invention, the handle and the transmission gear are adopted, the transmission gear is driven to rotate by the handle, and the monitoring camera can be quickly installed and disassembled without using an additional tool, so that the working efficiency of an operator in installing and disassembling the camera is greatly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the camera head securing mechanism after installation;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an expanded view of the structure of the present invention;
FIG. 6 is an expanded view of the front structure of the present invention;
FIG. 7 is a schematic view of the deployment structure of the securing rod mechanism of the present invention;
FIG. 8 is a schematic view of the internal structure of the fixing rod mechanism;
FIG. 9 is a schematic view of a slide shaft deployment configuration;
in the figure: 1. a surveillance camera; 2. mounting a box; 3. mounting a plate; 4. a fastener; 5. a handle; 6. a support plate; 7. turning over a plate; 8. a first transmission gear; 9. a rotating shaft; 10. a second transmission gear; 11. a screw rod; 12. a telescopic frame; 13. a fixing rod; 1301. a first groove; 1302. a second groove; 1303. an intermediate gear; 14. a third transmission gear; 15. a first sleeve; 16. a second sleeve; 17. a third sleeve; 1701. a first rack; 18. a second rack; 19. a sliding shaft; 20. a spring; 21. and (6) a spring block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
First, a fixing mechanism of a monitoring camera according to an embodiment of the present invention will be specifically described with reference to fig. 1 to 9.
A fixing mechanism of a monitoring camera comprises a mounting box 2 and an expansion bracket 12, wherein the rear end face of the mounting box 2 is connected with a mounting plate 3, a fastener 4 is mounted at the edge of the lower part of the mounting plate 3, the expansion bracket 12 is connected in an internal cavity of the mounting box 2 in a sliding manner, a turning plate 7 is arranged at the edge of the upper end of the mounting box 2, and the upper end face of the expansion bracket 12 is provided with the monitoring camera 1; the left side surface of the mounting box 2 is rotatably connected with a handle 5, the right end of the handle 5 is fixedly connected with a first transmission gear 8, the right side of the first transmission gear 8 is fixedly connected with a rotating shaft 9, the bottom of the mounting box 2 is fixedly connected with a supporting plate 6, the rotating shaft 9 is rotatably connected with the supporting plate 6, the upper end of the first transmission gear 8 is provided with a third transmission gear 14, the lower end of the first transmission gear 8 is provided with a second transmission gear 10, the right end of the second transmission gear 10 is connected with a screw rod 11, the right end of the screw rod 11 is in threaded connection with a telescopic frame 12, the right end of the third transmission gear 14 is fixedly connected with a first sleeve 15, the inner side of the first sleeve 15 is in threaded connection with a third sleeve 17, the inner side of the third sleeve 17 is fixedly connected with a first rack 1701, the inner side of the third sleeve 17 is connected with a fixed rod 13, one end of the fixed rod 13 is provided with a first groove 1301, the other end of the fixed rod 13 is provided with a second groove 1302, the inside of the fixed rod 13 is rotatably connected with an intermediate gear 1303, the right end of the third sleeve 17 is provided with a second sleeve 16, the inner side of the fixed rod 13 is provided with a sliding shaft 19 in sliding connection, the left end of the sliding shaft 19 is fixedly connected with a second rack 18, the outer side of the sliding shaft 19 is rotatably connected with an elastic block 21, and the middle part of the elastic block 21 is fixedly connected with a spring 20.
As shown in fig. 4, when the monitoring camera 1 is installed, the installation hole at the lower end of the monitoring camera 1 is sleeved at the outer end of the fixed rod 13 and is arranged between the second sleeve 16 and the elastic block 21, the rotating handle 5 drives the first transmission gear 8 to rotate, the first transmission gear 8 rotates to drive the second transmission gear 10 and the third transmission gear 14 which are meshed with the first transmission gear 8, the second transmission gear 10 rotates to drive the screw rod 11 to rotate, the screw rod 11 is in threaded connection with the telescopic frame 12, the telescopic frame 12 is pulled into the installation box 2 by the rotation of the screw rod 11, meanwhile, the third transmission gear 14 drives the first sleeve 15 which is fixedly connected with the first transmission gear to rotate, as the first sleeve 15 is in threaded connection with the third sleeve 17, the third sleeve 17 is pushed to the second sleeve 16 when the first sleeve 15 rotates, the second sleeve 16 moves towards the monitoring camera 1, and the third sleeve 17 moves towards the monitoring camera 1, the first rack 1701 drives the second rack 18 to move through the middle gear 1303, the moving direction of the second rack 18 is opposite to the moving direction of the first rack 1701, the second rack 18 is fixedly connected with the sliding shaft 19, so the sliding shaft 19 can move towards the third sleeve 17 in the fixed rod 13, the elastic block 21 is ejected out of the second groove 1302, the swinging end of the second groove 1302 is clamped on the side surface of the monitoring camera, the monitoring camera 1 is clamped under the extrusion action of the second sleeve 16 and the elastic block 21, and the telescopic frame 12 can be completely retracted into the mounting box 2 while the monitoring camera 1 is clamped, so that the mounting is completed; according to the invention, the transmission gear and the sleeve are matched for transmission, so that the monitoring camera can be quickly and fixedly installed, and the fixing mechanism is stable and reliable and is convenient and quick to install.
In order to simultaneously clamp and fix two sides of the monitoring camera 1, a first transmission gear 8 and a second transmission gear 10 are in meshing transmission, an expansion bracket 12 is in sliding connection with the mounting box 2, and the left end of a screw rod 11 is in rotating connection with the mounting box 2; the first transmission gear 8 is in meshing transmission with the third transmission gear 14, the third transmission gear 14 drives a first sleeve 15 fixedly connected with the third transmission gear to rotate, the first sleeve 15 rotates to drive a third sleeve 17 to slide on the outer side of the fixing rod 13 through internal thread rotation, a first rack 1701 inside the third sleeve 17 is in meshing transmission with an intermediate gear 1303, the intermediate gear 1303 is in meshing rotation with a second rack 18, and when the first rack 1701 moves, the second rack 18 moves towards the direction of the first rack 1701. The third sleeve 17 pushes the second sleeve 16 to slide on the outer side of the fixing rod 13, and the first rack 1701 inside the third sleeve 17 drives the sliding shaft 19 to move towards the second sleeve 16 through gear transmission.
In order to enable the installation process to be carried out smoothly, the speed of the telescopic frame 12 driven by the screw rod 11 is smaller than the speed of the second sleeve 16 moving relative to the sliding shaft 19, and when the installation is finished, the installation hole of the monitoring camera 1 is sleeved on the outer side of the fixing rod 13 and between the second sleeve 16 and the elastic block 21.
In order to make the elastic block 21 eject smoothly, the groove of the sliding shaft 19 where the elastic block 21 is installed corresponds to the second groove 1302 of the fixing rod 13, and when the sliding shaft 19 moves toward the middle gear 1303, the swinging end of the elastic block 21 ejects from the second groove 1302.
In order to improve the stability of the clamping state of the monitoring camera 1, when the monitoring camera 1 is clamped, the right end face of the second sleeve 16 is in contact with the left end face of the monitoring camera 1, and the right end face of the monitoring camera 1 is in contact with the swinging end of the elastic block 21; when the bullet block 21 is in the vertical state, the monitoring camera 1 is clamped outside the fixing rod 13 by the second sleeve 16 and the bullet block 21.
As shown in fig. 3, when the monitoring camera 1 is disassembled, only the handle 5 needs to be rotated in the reverse direction (relative to the steering direction of the handle 5 when the camera is installed), the expansion bracket 12 can slide out of the installation box 2 under the transmission of the screw rod 11, the second sleeve 16 and the sliding shaft 19 are driven by the first sleeve 15 to be away from the monitoring camera 1, the elastic block 21 can be retracted into the second groove 1302 when moving to the end of the second groove 1302, at the moment, the monitoring camera 1 slides out from the outer side of the fixed rod 13, the disassembly of the camera is completed, the handle 5 and the first transmission gear 8 are arranged, the first transmission gear 8 is driven by the handle 5 to rotate, the monitoring camera can be quickly assembled and disassembled by using the monitoring camera disassembling device without using an additional tool, and the working efficiency of an operator in the process of assembling and disassembling the camera is greatly improved.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.