CN220397121U - Building security monitoring equipment convenient to install - Google Patents

Abstract

The utility model relates to the technical field of monitoring equipment, in particular to building security monitoring equipment convenient to install. This monitoring facilities includes mounting panel, installation pole and control main part, the mounting hole has been seted up on the mounting panel, the right flank fixedly connected with level of mounting panel sets up the installation pole, the installation pole top is provided with the control main part, a serial communication port, be provided with on the installation pole and have the first adjusting part that carries out horizontal direction regulation control angle to the control main part, first adjusting part is articulated with the control main part, one side that first adjusting part is close to the mounting panel is provided with the second adjusting part that has and carries out vertical direction regulation control angle to the control main part, the lower terminal surface fixed connection of second adjusting part and control main part, the second adjusting part passes through the connecting plate with first adjusting part and is connected. The first adjusting component and the second adjusting component are used for adjusting the monitoring angle of the monitoring main body during installation, so that the installation efficiency of workers is improved.

Description

Building security monitoring equipment convenient to install

Technical Field

The utility model relates to the technical field of monitoring equipment, in particular to building security monitoring equipment convenient to install.

Background

Along with the development of society, in order to increase the security of people's living environment, building can all install supervisory equipment in passageway corridor position when the fitment, and these supervisory equipment are to passageway corridor position emergence's thing real time monitoring and keep record to can freely retrieve when later stage needs and look over.

After retrieval, a novel monitoring device is disclosed in the application number of CN202222811486. X: including camera and monitor, be located the inside camera of monitor front end center department, be located a plurality of light filling lamps in the circular outside of camera, monitor lower extreme center department is provided with the fixed bolster, the monitor downside is provided with the support arm, through increasing on this supervisory equipment's monitor is close to rear side lower extreme outer wall and has a novel angle reinforcing apparatus, and reinforcing apparatus's lower extreme runs through the inside follow-up spout of support arm, when angle reinforcing apparatus is in the unblock state, the monitor can normally carry out angle modulation, and after the angle of use of monitor locks through the angle locking axle, can lock angle reinforcing apparatus this moment, and can carry out secondary locking to the angle of use of monitor after the angle reinforcing apparatus locks. Sometimes in order to achieve more accurate monitoring visual angles in actual installation, not only the angle adjustment in the vertical direction but also the angle adjustment in the horizontal direction are needed for the monitoring host, but also the monitoring host of the monitoring device can adjust the angle in the vertical direction, so that the adjustment on the angle in the horizontal direction is inconvenient, and the visual angle range of the monitoring host during installation is reduced.

The application number is CN202222953610.6 discloses a security monitoring device: the lifting device comprises a base, one side of the base is fixedly provided with an adjusting mechanism, the adjusting mechanism comprises a sliding rail, the sliding rail is fixedly arranged on one side of the base, the surface of the sliding rail is connected with a supporting frame in a sliding manner, the top of the supporting frame is provided with a rotating hole, and the inner wall of the rotating hole is connected with a lifting rod in a threaded manner. This security protection supervisory equipment, through setting up adjustment mechanism, the user is fixed the base on the wall, when the user needs the altitude mixture control to the camera, the user adjusts the support frame to the altitude mixture control of preset position earlier, it is fixed to the support frame to rotate the screw thread pole, reach the spacing purpose of support frame, rotate the height of lifter accurate regulation camera again, make the camera can accurately reach the user highly desirable, reach the user to the high accurate positioning's of camera purpose, the user can be convenient adjust the height of camera, reduce the operating time of user. But this security protection supervisory equipment's lifter and support frame pass through threaded connection, can touch the camera and then drive the rotation of lifter on the support frame and make the camera head deviation of adjusting the angle in workman's installation, need the workman to rotate the lifter again and carry out the regulation of camera, have influenced workman's installation effectiveness.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides the building security monitoring equipment which is convenient to install.

In order to achieve the above object, the present utility model provides the following technical solutions:

building security protection supervisory equipment of easy to assemble, including mounting panel, installation pole and control main part, the mounting hole has been seted up on the mounting panel, the right flank fixedly connected with level of mounting panel sets up the installation pole, the installation pole top is provided with the control main part, the installation pole with be provided with between the control main part and right sides the first adjusting part that the control main part carries out horizontal direction and adjusts the control angle function, first adjusting part with the control main part is articulated, first adjusting part is close to one side of mounting panel is provided with and has right the second adjusting part that the control main part carries out vertical direction and adjusts the control angle, second adjusting part with the lower terminal surface fixed connection of control main part, second adjusting part with first adjusting part passes through the connecting plate and is connected, second adjusting part includes the regulating plate, the regulating plate with the lower terminal surface fixed connection of control main part is last to be seted up and runs through the T shape spout at both ends about the regulating plate, the T shape spout in-slide is provided with T shape slider, T shape link seat lower extreme is located the U-shaped connecting seat is located the U-shaped down and is connected with the connecting plate, the screw rod is located the perpendicular side of connecting plate, the screw rod is connected with the connecting plate down along the U-shaped seat is connected with the connecting plate, the screw rod is located down along the connecting plate.

Preferably, the screw is connected with a second nut in a threaded manner, and the second nut is located above the connecting plate.

Preferably, the first adjusting component comprises a second connecting rod with an axis arranged along the vertical direction, the upper end of the second connecting rod is hinged to the monitoring main body, the middle part of the second connecting rod is fixedly connected with the connecting plate, the circumferential surface of the second connecting rod close to the lower end is rotationally connected with the mounting rod, the lower end of the second connecting rod is fixedly connected with a first connecting rod, the first connecting rod is coaxially arranged with the second connecting rod, the diameter of the first connecting rod is smaller than that of the second connecting rod, the lower end of the first connecting rod penetrates through the lower end face of the mounting rod and is fixedly connected with a first hand wheel, and the first connecting rod is rotationally connected with the mounting rod.

Preferably, a first threaded section is arranged at a position, close to the lower end, of the second connecting rod, and a first nut matched with the first threaded section is arranged on the second connecting rod.

Preferably, the first adjusting component comprises a third connecting rod with an axis arranged along the vertical direction, the upper end of the third connecting rod is hinged to the lower end face of the monitoring main body, the middle of the third connecting rod is fixedly connected with the connecting plate, a cavity is formed in the mounting rod, a circular plate, a spring, an inner gear and an outer gear are arranged in the cavity, the axes of the circular plate, the spring, the inner gear and the outer gear are arranged along the vertical direction and coaxially with the third connecting rod, the upper end and the lower end of the spring are respectively fixedly connected with the circular plate and the inner gear, the circular plate is rotationally connected with the mounting rod, the outer gear is located at the bottom of the cavity and fixedly connected with the mounting rod, the outer gear is meshed with the inner gear, the lower end of the third connecting rod is fixedly connected with a fourth connecting rod, the fourth connecting rod is coaxially arranged with the third connecting rod, the lower end of the fourth connecting rod penetrates through the cavity and the lower end face of the mounting rod in sequence and is fixedly connected with a second hand wheel, the fourth connecting rod is fixedly connected with the fourth connecting rod in a sliding mode, and the fourth connecting rod is fixedly connected with the fourth connecting rod in a sliding mode.

Preferably, a second threaded section is arranged at a position, close to the lower end, of the fourth connecting rod, two third nuts are arranged on the fourth connecting rod, and each third nut is matched with the second threaded section.

Compared with the prior art, the utility model has the following beneficial effects: the monitoring angle of the monitoring main body in the vertical direction is adjusted by rotating the screw, the angle of the monitoring main body in the horizontal direction is adjusted by rotating the first hand wheel, and the monitoring angle of the monitoring main body can be quickly adjusted during installation through the screw and the first hand wheel, so that the installation efficiency of workers is improved; the second nut and the connecting plate form an interlocking structure on the screw rod, and the first nut and the mounting rod form an interlocking structure on the second connecting rod, so that the stability of the equipment is improved.

The monitoring angle of the monitoring main body in the vertical direction is adjusted by rotating the screw, the angle of the monitoring main body in the horizontal direction is adjusted by rotating the second hand wheel, and the monitoring angle of the monitoring main body can be quickly adjusted during installation through the screw and the second hand wheel, so that the installation efficiency of workers is improved; an interlocking structure is formed on the screw rod through the second nut and the connecting plate, and an interlocking structure is formed on the fourth link through the two third nuts, so that the stability of the equipment is improved; meanwhile, the spring enables the monitoring main body to play a damping effect in the earthquake multi-initiation area, and the risk that the monitoring main body is damaged is reduced.

Drawings

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic view in partial cross-section of example 1 of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B in accordance with the present utility model;

FIG. 5 is a schematic view of a regulator board structure of the present utility model;

FIG. 6 is a schematic overall structure of embodiment 2 of the present utility model;

FIG. 7 is a schematic view in partial cross-section of example 2 of the present utility model;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at C in accordance with the present utility model;

FIG. 9 is a schematic view showing the structure of an external gear in embodiment 2 of the present utility model;

fig. 10 is a schematic view of the structure of an internal gear in embodiment 2 of the present utility model.

In the figure: 1. a mounting plate; 2. a mounting rod; 3. a screw; 4. a first hand wheel; 5. a first link; 6. a first nut; 7. a second link; 8. monitoring a main body; 9. a connecting plate; 10. a U-shaped seat; 11. an adjusting plate; 12. a second nut; 13. t-shaped sliding grooves; 14. a connecting block; 15. a T-shaped slider; 16. an external gear; 17. a third link; 18. a third nut; 19. a fourth link; 20. the second hand wheel; 21. an internal gear; 22. a spring; 23. a circular plate; 24. a cavity.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it will be apparent that the described embodiments are only some, but not all, embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a building security monitoring device with convenient installation comprises an installation plate 1, an installation rod 2 and a monitoring main body 8, wherein the installation plate 1 is provided with an installation hole. The right side fixedly connected with level of mounting panel 1 sets up installation pole 2, and installation pole 2 top is provided with control main part 8, is provided with first adjusting part between installation pole 2 and the control main part 8. The first adjusting component comprises a second connecting rod 7, the axis of which is arranged along the vertical direction, the upper end of the second connecting rod 7 is hinged with a monitoring main body 8, a connecting plate 9 is fixedly connected with the middle part of the second connecting rod 7, the circumferential surface, close to the lower end, of the second connecting rod 7 is rotationally connected with a mounting rod 2, the lower end of the second connecting rod 7 is fixedly connected with a first connecting rod 5, the diameter of the first connecting rod 5, which is coaxially arranged with the second connecting rod 7, is smaller than that of the second connecting rod 7, the lower end of the first connecting rod 5 penetrates through the lower end face of the mounting rod 2 and is fixedly connected with a first hand wheel 4, and the first connecting rod 5 is rotationally connected with the mounting rod 2. The adjustment of the monitoring of the angle of the monitoring body 8 in the horizontal direction can be effected rapidly during installation by rotating the first hand wheel 4. The position of the second connecting rod 7 near the lower end is provided with a first thread section, and the second connecting rod 7 is provided with a first nut 6 matched with the first thread section. After the angle of the horizontal plane is adjusted, the first nut 6 rotates on the first thread section and is abutted with the upper surface of the mounting rod 2, so that the second connecting rod 7 and the mounting rod 2 form an interlocking structure, the fixing effect is better, and meanwhile, the monitoring main body 8 is prevented from rotating in the horizontal direction.

A second adjusting component close to one side of the mounting plate 1 is arranged between the second connecting rod 7 and the monitoring main body 8, the second adjusting component comprises an adjusting plate 11, the adjusting plate 11 is fixedly connected with the lower end face of the monitoring main body 8, a T-shaped sliding groove 13 penetrating through the left end and the right end of the adjusting plate 11 is formed in the lower end face of the adjusting plate 11, a T-shaped sliding block 15 is arranged in the T-shaped sliding groove 13 in a sliding mode, a U-shaped seat 10 with a downward opening is fixedly connected to the lower end of the T-shaped sliding block 15, the U-shaped seat 10 is located below the adjusting plate 11, a connecting block 14 is hinged in the opening of the U-shaped seat 10, one end of the connecting block 14, far away from the U-shaped seat 10, is rotationally connected with a screw 3 with an axis arranged along the vertical direction, and the lower end of the screw 3 penetrates through the connecting plate 9 downwards and is in threaded fit with the connecting plate 9. The monitoring body 8 can be rapidly adjusted in the vertical direction in monitoring angle during installation by rotating the screw 3. The screw rod 3 is connected with a second nut 12 in a threaded manner, and the second nut 12 is positioned above the connecting plate 9. After the angle in the vertical direction is adjusted, the second nut 12 rotates and abuts against the upper surface of the connecting plate 9 to form an interlocking structure, the fixing effect is better, and meanwhile the monitoring main body 8 is prevented from rotating in the vertical direction.

In summary, the specific working mode of the utility model is as follows: the second nut 12 is located near the upper end of the screw 3 before installation and the first nut 6 is located near the lower end of the connecting plate 9. Firstly, fixing the mounting plate 1 at a required position by using an expansion bolt through a mounting hole on the mounting plate 1, then rotating a screw rod 3 according to the range to be monitored in a field, when the angle to be monitored is downward, the screw rod 3 moves downward while rotating, the screw rod 3 which moves downward drives a connecting block 14 to move downward, a U-shaped seat 10 moves downward, a T-shaped sliding block 15 moves downward and slides in a T-shaped sliding groove 13 in an adjusting plate 11, and the adjusting plate 11 drives a monitoring main body 8 to rotate anticlockwise around a hinge shaft of the monitoring main body 8 and a second connecting rod 7; when the monitoring angle is required to be upward, the operation mode is similar to the operation mode of the downward monitoring angle, and is not repeated here; then the first hand wheel 4 is rotated, the first hand wheel 4 rotates to drive the first connecting rod 5 to rotate, the second connecting rod 7 rotates, and the connecting plate 9, the monitoring main body 8 and the second adjusting component rotate together until the monitoring angle of the monitoring main body 8 in the horizontal direction meets the use requirement. Then, the second nut 12 is rotated to bring the lower end of the second nut 12 into contact with the connection plate 9, and the first nut 6 is rotated to bring the lower surface of the first nut 6 into contact with the upper surface of the mounting rod 2.

Example 2

Referring to fig. 6-10, the building security monitoring device convenient to install comprises a mounting plate 1, a mounting rod 2 and a monitoring main body 8, wherein the mounting rod 2 is fixedly connected with the right side face of the mounting plate 1, provided with a mounting hole, on the mounting plate 1, and is horizontally arranged, the monitoring main body 8 is arranged above the mounting rod 2, and a first adjusting component is arranged between the mounting rod 2 and the monitoring main body 8. The first adjusting component comprises a third connecting rod 17 with an axis arranged along the vertical direction, the upper end of the third connecting rod 17 is hinged with the lower end face of the monitoring main body 8, the middle of the third connecting rod 17 is fixedly connected with the connecting plate 9, a cavity 24 is formed in the mounting rod 2, a circular plate 23, a spring 22, an inner gear 21 and an outer gear 16 are arranged in the cavity 24, the axes of the circular plate 23, the spring 22, the inner gear 21 and the outer gear 16 are arranged along the vertical direction and coaxially with the third connecting rod 17, the upper end and the lower end of the spring 22 are respectively fixedly connected with the circular plate 23 and the inner gear 21, the circular plate 23 is rotationally connected with the mounting rod 2, the outer gear 16 is positioned at the bottom of the cavity 24 and fixedly connected with the mounting rod 2, the outer gear 16 is meshed with the inner gear 21, the lower end of the third connecting rod 17 is fixedly connected with a fourth connecting rod 19, the lower end of the fourth connecting rod 19 is coaxially arranged with the third connecting rod 17, the lower end of the fourth connecting rod 19 is smaller than the diameter of the third connecting rod 17, the lower end of the fourth connecting rod 19 sequentially penetrates the cavity 24 and the lower end face of the mounting rod 2 downwards and is fixedly connected with a second hand wheel 20, the fourth connecting rod 19 is slidingly connected with the fourth connecting rod 19, and the fourth connecting rod 19 is fixedly connected with the fourth connecting rod 21 and the fourth connecting rod 21 is fixedly connected with the fourth connecting rod 21. When the angle of the horizontal plane is adjusted, the adjustment of the monitoring of the angle of the monitoring body 8 in the horizontal direction can be quickly performed at the time of installation by rotating the second hand wheel 20. The fourth connecting rod 19 is provided with the second screw thread section near the position of lower extreme, is provided with two third nuts 18 on the fourth connecting rod 19, and every third nut 18 all cooperates with the second screw thread section. When the monitoring equipment is arranged in a seismic multiple zone, the two third nuts 18 are mutually abutted and interlocked, a small space is reserved between the third nut 18 on the side close to the mounting rod 2 and the mounting rod 2, and when the monitoring main body 8 vibrates during a seismic event, the spring 22 vibrates to shock the monitoring main body 8, so that the risk that the monitoring main body 8 is damaged is reduced. When the monitoring main body 8 is not required to be damped, only two third nuts 18 are required to be mutually abutted and abutted with the mounting rod 2 to form an interlocking structure, the fixing effect is better, and meanwhile the monitoring main body 8 is prevented from rotating in the horizontal direction.

The one side that the third connecting rod 17 is close to mounting panel 1 is provided with the second regulation subassembly, the second regulation subassembly includes regulating plate 11, regulating plate 11 and the lower terminal surface fixed connection of control main part 8, T shape spout 13 that runs through regulating plate 11 left and right sides both ends have been seted up on the right side of regulating plate 11, T shape spout 13 sliding is provided with T shape slider 15, U-shaped seat 10 that the opening is decurrent is fixedly connected with to T shape slider 15 lower extreme, U-shaped seat 10 is located the below of regulating plate 11 and the opening of U-shaped seat 10 articulates there is connecting block 14, the one end that the connecting block 14 kept away from U-shaped seat 10 rotates and is connected with the screw rod 3 that the axis set up along vertical direction, screw rod 3 runs through two up and down terminal surfaces of connecting plate 9 and with connecting plate 9 screw thread fit. After the angle in the vertical direction is adjusted, the monitoring main body 8 can be rapidly adjusted in the angle in the vertical direction during installation by rotating the screw 3. The screw rod 3 is connected with a second nut 12 in a threaded manner, and the second nut 12 is positioned above the connecting plate 9. Through second nut 12 rotation and form the interlocking structure with connecting plate 9 upper surface butt, fixed effect is better, avoids monitoring main part 8 to rotate in vertical direction simultaneously.

In summary, the specific working mode of the utility model is as follows: the second nut 12 is located near the upper end of the screw 3 before installation, and the two third nuts 18 are located near the side of the second hand wheel 20. Firstly, fixing the mounting plate 1 at a required position by using an expansion bolt through a mounting hole on the mounting plate 1, then rotating a screw rod 3 according to the range to be monitored in a field, when the angle to be monitored is downward, the screw rod 3 moves downward while rotating, the screw rod 3 which moves downward drives a connecting block 14 to move downward, a U-shaped seat 10 moves downward, a T-shaped sliding block 15 moves downward and slides in a T-shaped sliding groove 13 in an adjusting plate 11, and the adjusting plate 11 drives a monitoring main body 8 to rotate anticlockwise around a hinge shaft of the monitoring main body 8 and a second connecting rod 7; when the monitoring angle is required to be upward, the operation mode is similar to the operation mode of the downward monitoring angle, and is not repeated here; then the second hand wheel 20 is pushed to move to one side close to the mounting rod 2, the inner gear 21 moves to be separated from the outer gear 16, the spring 22 is compressed, the second hand wheel 20 is rotated, the second hand wheel 20 rotates to drive the inner gear 21, the spring 22, the circular plate 23 and the third connecting rod 17 to rotate, the rotating third connecting rod 17 drives the connecting plate 9, the monitoring main body 8 and the second adjusting component to rotate together until the monitoring angle of the monitoring main body 8 in the horizontal direction meets the use requirement, then the second hand wheel 20 is not pushed any more, and the inner gear 21 is meshed with the outer gear 16 under the action of gravity, so that the rotation of the monitoring main body 8 is avoided. The second nut 12 is then rotated to bring the lower end of the second nut 12 into abutment with the connection plate 9, and then the distance between the two third nuts 18 and the lower surface of the mounting rod 2 is adjusted according to whether the monitoring body 8 needs to be damped or not, and then the two third nuts 18 are interlocked in abutment.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Building security monitoring equipment convenient to install, including mounting panel (1), installation pole (2) and control main part (8), the mounting hole has been seted up on mounting panel (1), the right flank fixedly connected with level of mounting panel (1) sets up installation pole (2), installation pole (2) top is provided with control main part (8), its characterized in that, installation pole (2) with be provided with between control main part (8) and have the first regulation subassembly that carries out the horizontal direction and adjust the control angle function to control main part (8), first regulation subassembly with control main part (8) are articulated, first regulation subassembly is close to one side of mounting panel (1) is provided with the second regulation subassembly that has to control main part (8) carry out vertical direction and adjust the control angle, second regulation subassembly with the lower terminal surface fixed connection of control main part (8), second regulation subassembly with first regulation subassembly passes through connecting plate (9) and is connected, second regulation subassembly includes regulating plate (11), regulating plate (11) and control main part (8) carry out the horizontal direction and adjust the angle function, first regulation subassembly is provided with the spout (13) is formed to be connected with in the shape of the lower terminal surface (13) down in the interior sliding groove (13), the T-shaped sliding block is characterized in that a U-shaped seat (10) with a downward opening is fixedly connected to the lower end of the T-shaped sliding block (15), the U-shaped seat (10) is located below the adjusting plate (11) and a connecting block (14) is hinged in the opening of the U-shaped seat (10), one end, far away from the U-shaped seat (10), of the connecting block (14) is rotationally connected with a screw (3) with an axis arranged along the vertical direction, and the lower end of the screw (3) downwards penetrates through the connecting plate (9) and is in threaded fit with the connecting plate (9).

2. Building security monitoring equipment convenient to install according to claim 1, characterized in that a second nut (12) is connected to the screw (3) in a threaded manner, and the second nut (12) is located above the connecting plate (9).

3. The building security monitoring device convenient to install according to claim 1, wherein the first adjusting component comprises a second connecting rod (7) with an axis arranged along the vertical direction, the upper end of the second connecting rod (7) is hinged to the monitoring main body (8), the middle part of the second connecting rod (7) is fixedly connected with the connecting plate (9), the circumferential surface of the lower end, close to the second connecting rod (7), of the second connecting rod (7) is rotationally connected with the mounting rod (2), the lower end of the second connecting rod (7) is fixedly connected with a first connecting rod (5), the first connecting rod (5) and the second connecting rod (7) are coaxially arranged, the diameter of the first connecting rod (5) is smaller than the diameter of the second connecting rod (7), the lower end of the first connecting rod (5) penetrates through the lower end face of the mounting rod (2) and is fixedly connected with a first hand wheel (4), and the first connecting rod (5) is rotationally connected with the mounting rod (2).

4. The building security monitoring device convenient to install according to claim 3, wherein a first threaded section is arranged at a position, close to the lower end, of the second connecting rod (7), and a first nut (6) matched with the first threaded section is arranged on the second connecting rod (7).

5. The building security monitoring device convenient to install according to claim 1, wherein the first adjusting component comprises a third connecting rod (17) with an axis arranged along the vertical direction, the upper end of the third connecting rod (17) is hinged with the lower end face of the monitoring main body (8), the middle part of the third connecting rod (17) is fixedly connected with the connecting plate (9), a cavity (24) is arranged in the mounting rod (2), a circular plate (23), a spring (22), an inner gear (21) and an outer gear (16) are arranged in the cavity (24), the axes of the circular plate (23), the spring (22), the inner gear (21) and the outer gear (16) are arranged along the vertical direction and coaxially with the third connecting rod (17), the upper end and the lower end of the spring (22) are respectively fixedly connected with the circular plate (23) and the inner gear (21), the circular plate (23) is rotationally connected with the mounting rod (2), the outer gear (16) is positioned at the bottom of the cavity (24) and is fixedly connected with the mounting rod (2), the outer gear (16) is fixedly connected with the fourth connecting rod (17), the utility model discloses a novel electric motor, including four connecting rod (19), connecting rod (2), connecting rod (19) with connecting rod (2) sliding connection, connecting rod (19) with plectane (23) sliding connection, connecting rod (19) with internal gear (21) fixed connection, connecting rod (19) lower extreme runs through cavity (24) and connecting rod (2) lower terminal surface and fixedly connected with second hand wheel (20) downwards in proper order.

6. Building security monitoring equipment convenient to install according to claim 5, characterized in that a second thread section is arranged at a position, close to the lower end, of the fourth connecting rod (19), two third nuts (18) are arranged on the fourth connecting rod (19), and each third nut (18) is matched with the second thread section.