CN116857530A - Induction camera dismouting structure on glass door - Google Patents

Abstract

The invention discloses an inductive camera dismounting structure on a glass door, which comprises a main body which is arranged on the glass door and is in a box body structure; the lifting assembly is arranged in the main body and comprises a winding drum and limiting discs coaxially and fixedly connected to two ends of the winding drum, a traction rope is wound on the winding drum, and the other end of the traction rope is connected with the monitoring camera body through an elastic connection structure. According to the invention, through the mutual coordination of the lifting component, the operating component, the matching component and the operating rod, before the pin rod is in the first gear, the monitoring camera body automatically falls under gravity, when the pin rod is in the second gear, the lifting component can lift the monitoring camera body to the original working position, when the pin rod is in the third gear, the lifting component automatically resets to the initial position, the lifting component stops lifting the monitoring camera body, the whole process adopts the operating rod to operate, the monitoring camera body is not required to be detached by means of a climbing ladder, the danger caused by climbing is avoided, and the safety is improved.

Description

Induction camera dismouting structure on glass door

Technical Field

The invention relates to the technical field of camera disassembly and assembly, in particular to an induction camera disassembly and assembly structure on a glass door.

Background

The induction camera can sense and capture images or videos in the surrounding environment, and convert the images or videos into electric signals for processing and transmission. The system is generally composed of a camera sensor, an image processing unit, a video transmission and storage part and a control unit, can be arranged on a glass door in occasions such as office buildings, and can provide real-time monitoring and recording of the area around the glass door so as to enhance safety; the method can be used for managing the entrance and exit by combining an identity recognition technology such as face recognition or fingerprint recognition; the number of people passing through the glass doors can be tracked, and data analysis on flow patterns and trends is provided; a personalized and convenient user experience may be provided.

In order to enable the induction camera to obtain a wider visual angle, the induction camera is installed at the high position of the glass door under the influence of external factors, but when the camera is in fault or needs maintenance, the induction camera needs to climb to the high position by means of a climbing ladder, and a certain time is consumed for disassembly, so that the disassembly risk is higher. Therefore, we propose an inductive camera dismounting structure on a glass door to solve the above problems.

Disclosure of Invention

The invention aims to provide an inductive camera dismounting structure on a glass door so as to solve the problem that the risk of dismounting the inductive camera at a high place in the prior art is high.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

an inductive camera dismounting structure on a glass door comprises

A main body mounted on the glass door and having a box structure;

the lifting assembly is arranged in the main body and comprises a winding drum and limiting discs coaxially and fixedly connected to two ends of the winding drum, the winding drum is wound with a traction rope, the other end of the traction rope is connected with a monitoring camera body through an elastic connection structure, and the winding drum can wind the traction rope along the axis of the winding drum to drive the monitoring camera body to ascend;

the operation assembly is matched with the lifting assembly for use and comprises a lifting rod vertically penetrating through the main body and arranged elastically, the upper end of the lifting rod is fixedly connected with a synchronizing rod, and the lower end of the synchronizing rod is fixedly connected with an engagement tooth arc engaged with one of the limiting plates;

the matching component is matched with the operation component and comprises a pin rod fixedly connected with the lifting rod and a moving piece matched with the pin rod, and the moving piece is provided with a first gear, a second gear and a third gear from bottom to top;

when the pin rod is in a first gear, the meshing tooth arc is separated from the limiting disc, the monitoring camera body can freely fall down, when the pin rod is in a second gear, the winding drum rotates to wind the traction rope so as to drive the monitoring camera body to rise to a shooting position, and when the pin rod reaches a third gear, the pin rod can be passively reset to an initial position, and the meshing tooth arc is meshed with the limiting disc.

Preferably: the lifting assembly further comprises a first supporting plate and a second supporting plate which are vertically fixed on the inner wall of the main body, two ends of the rotating shaft are respectively connected with the first supporting plate and the second supporting plate in a rotating mode, and a rotating motor used for driving the rotating shaft is fixedly installed on one side of the first supporting plate.

Preferably: the operation assembly further comprises a limiting ring fixedly connected with the lifting rod, a first spring is sleeved outside the lifting rod, two ends of the first spring are fixedly connected with the limiting ring and the inner bottom end of the main body respectively, and the synchronizing rod is sleeved on the second supporting plate in a sliding mode.

Preferably: the cooperation subassembly still includes two elastic telescopic links of fixing at main part inside wall, two the flexible end of elastic telescopic link all with moving part fixed connection, moving part forms first inclined plane, second inclined plane, the third inclined plane that the slope is the same from bottom to top, and second inclined plane and third inclined plane length are the same, the length of first inclined plane is greater than the length of second inclined plane, the upper end on first inclined plane is adjacent to have first L type straight face, the upper end on second inclined plane is adjacent to have second L type straight face, first L type straight face and second inclined plane are formed with first draw-in groove, first draw-in groove is first gear, second L type straight face and third inclined plane are formed with the second draw-in groove, the second draw-in groove is the second gear, the third gear forms on the third inclined plane, the return channel of L type has been seted up to third gear department, the one-way door is installed to the lower extreme of return channel, the one-way door can only face and keep away from the second contact of the fixed connection of second return door direction, the lower extreme that the return door was kept away from to the second.

Preferably: the elastic connection structure comprises an annular piece fixedly connected with the monitoring camera body by using a bolt, any radial section of the annular piece is L-shaped, an adaptation plate is elastically arranged in the annular piece, the lower end of the traction rope is divided into a plurality of end parts and is fixedly connected with the adaptation plate, and a bottom groove for accommodating the elastic connection structure is formed in the lower end of the main body.

Preferably: still include the speed limiting component, the speed limiting component is including seting up the rotation groove in the interior bottom of main part, the rotation inslot rotation is connected with the screw rod, fixedly connected with and spacing dish meshed passive gear on the screw rod, threaded connection has the mounting panel on the passive gear, one side that the mounting panel is close to the spacing dish is provided with the brake piece.

Preferably: the mounting panel is close to one side of limiting disc and has seted up the spacing groove, the fixedly connected with second spring in the spacing groove, the other end fixedly connected with spacing portion of second spring, spacing portion integrated into one piece has the braking vane, and the braking vane runs through the spacing groove setting, the one end veneer fixedly connected with speed pad that the second spring was kept away from to the braking vane.

Preferably: the device also comprises an operation rod for operation, and the section diameter of the operation rod is smaller than that of the lifting rod.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the mutual coordination of the lifting component, the operating component, the matching component and the operating rod, before the pin rod is in the first gear, the monitoring camera body automatically falls under gravity, when the pin rod is in the second gear, the lifting component can lift the monitoring camera body to the original working position, when the pin rod is in the third gear, the lifting component automatically resets to the initial position, the lifting component stops lifting the monitoring camera body, the whole process adopts the operating rod to operate, the monitoring camera body is not required to be detached by means of a climbing ladder, the danger caused by climbing is avoided, and the safety is improved.

2. According to the invention, the driven gear is meshed to drive the screw to rotate in the process that the limiting disc rotates along with the winding drum, the mounting plate drives the mounting plate and the brake piece to move towards the limiting disc under the condition of limiting sliding with the rotating groove, the compression amount of the second spring and the compression degree of the speed reducing pad are gradually increased, the friction force of the speed reducing pad to the limiting disc is gradually increased, the braking performance is improved, when the traction rope is completely released, the dynamic potential energy of the monitoring camera body tends to be zero, the situation that the connecting end is broken due to the acceleration of gravity is avoided, and the service life is prolonged.

3. According to the invention, the winding drum is arranged, and the lifting rod is lifted when the elastic connecting structure is about to reach the bottom groove, and the adaptive plate and the annular piece are elastically arranged, so that the movement path of the traction rope is prolonged, and after the annular piece reaches the position, the monitoring camera body also reaches the original working position, and the adaptive plate can be continuously lifted upwards, so that the time difference is compensated, and the locking of the rotating motor is avoided.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention in elevation;

FIG. 3 is a schematic view of a moving member according to the present invention;

FIG. 4 is an enlarged schematic view of FIG. 2A;

FIG. 5 is a cross-sectional view of the attachment of the mounting plate to the brake member in accordance with the present invention.

In the figure: 1. a main body; 2. a lifting assembly; 21. a first support plate; 22. a second support plate; 23. a rotating shaft; 24. a rotating electric machine; 25. a limiting disc; 26. a reel; 27. a traction rope; 28. a monitoring camera body; 29. an elastic connection structure; 3. an operating assembly; 31. a synchronizing lever; 32. a bite tooth arc; 33. a lifting rod; 34. a limiting ring; 35. a first spring; 4. a mating assembly; 41. a pin rod; 42. a moving member; 421. a first inclined surface; 422. a second inclined surface; 423. a third inclined surface; 424. a first clamping groove; 425. a second clamping groove; 426. a return groove; 427. a one-way door; 428. a first contact switch; 43. an elastic telescopic rod; 5. an operation lever; 6. a speed limiting assembly; 61. a rotating groove; 62. a screw; 63. a driven gear; 64. a mounting plate; 641. a limit groove; 642. a second spring; 65. a brake member; 651. a brake plate; 652. a limit part; 653. and a speed reducing pad.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1 to 5, an inductive camera dismounting structure on a glass door comprises a main body 1 installed on the glass door and having a box structure, a lifting assembly 2, an operating assembly 3 and a matching assembly 4 installed in the main body 1 and used for lifting a monitoring camera body 28, fixing the monitoring camera body 28 and facilitating the operation of technicians.

Specifically, the lifting assembly 2 comprises a winding drum 26 and limiting discs 25 which are coaxially and fixedly connected to two ends of the winding drum 26, the winding drum 26 is wound with a traction rope 27, the other end of the traction rope 27 is divided into a plurality of ropes, and the ropes are distributed in an annular array, so that the stress of the monitoring camera body 28 is more stable, the monitoring camera body 28 is connected with an elastic connection structure 29, the monitoring camera body 28 is an existing product, and the winding drum 26 can wind the traction rope 27 along the axis of the winding drum to drive the monitoring camera body 28 to ascend. The following structure is specifically adopted to realize the rotation of the winding drum 26 around the axis thereof: the lifting assembly 2 further comprises a first supporting plate 21 and a second supporting plate 22 which are vertically fixed on the inner wall of the main body 1, two ends of a rotating shaft 23 are respectively connected with the first supporting plate 21 and the second supporting plate 22 in a rotating mode, a rotating motor 24 used for driving the rotating shaft 23 is fixedly arranged on one side of the first supporting plate 21, a limiting disc 25 drives a winding drum 26 and the limiting disc 25 to rotate through the rotating shaft 23, and one limiting disc 25 is of a gear structure.

In order to compensate for the time difference generated by the return of the pin 41 from the return groove 426 to the initial position, the structure of the elastic connection structure 29 is specifically provided in addition to avoid the dead halt caused by the continued operation of the rotary electric machine 24: the elastic connection structure 29 comprises an annular member fixedly connected with the monitoring camera body 28 by using bolts, any radial section of the annular member is L-shaped, an adaptation plate is elastically arranged in the annular member, namely, a plate groove which is in sliding connection with the adaptation plate is formed, a spring is additionally arranged, when the traction rope 27 is completely released and the monitoring camera body 28 is at the lowest end, the spring is in a slight compression state, the lower end of the traction rope 27 is divided into a plurality of end parts and is fixedly connected with the adaptation plate, and a bottom groove for accommodating the elastic connection structure 29 is formed in the lower end of the main body 1.

The lifting device further comprises an operation rod 5 for operation, the section diameter of the operation rod 5 is smaller than that of the lifting rod 33, the lower end of the lifting rod 33 extends to the lower side of the main body 1, the length enough for operation is reserved, the lifting rod 33 is lifted through the operation rod 5, and for convenience in operation, a plate with larger connecting area can be fixedly connected to the lower end of the lifting rod 33.

Specifically, the operation assembly 3 comprises a lifting rod 33 vertically penetrating through the main body 1 and elastically arranged, the upper end of the lifting rod 33 is fixedly connected with a synchronizing rod 31, the lower end of the synchronizing rod 31 is fixedly connected with an engagement tooth arc 32 engaged with one of the limiting discs 25, and the position is fixed through gear tooth engagement; the operation assembly 3 further comprises a limiting ring 34 fixedly connected with the lifting rod 33, a first spring 35 is sleeved outside the lifting rod 33, two ends of the first spring 35 are fixedly connected with the limiting ring 34 and the inner bottom end of the main body 1 respectively, the synchronizing rod 31 is slidably sleeved on the second supporting plate 22, and the lifting rod 33 has mechanical energy required for resetting through conversion of the first spring 35.

Specifically, the matching component 4 includes a pin rod 41 fixedly connected with the lifting rod 33 and a moving member 42 matched with the pin rod 41, the moving member 42 is provided with a first gear, a second gear and a third gear from bottom to top, the first gear is a gear for stabilizing the separation state of the meshing gear arc 32 and the limiting disc 25, the second gear is a gear for starting the rotating motor 24, the third gear is a gear for starting the reset starting point of the pin rod 41, and correspondingly, when the pin rod 41 is in the first gear, the meshing gear arc 32 is separated from the limiting disc 25, the monitoring camera body 28 can freely fall down, when the pin rod 41 is in the second gear, the winding drum 26 rotates the winding traction rope 27 to drive the monitoring camera body 28 to rise to the shooting position, and when the pin rod 41 reaches the third gear, the pin rod 41 can be passively reset to the initial position, and the meshing gear arc 32 is meshed with the limiting disc 25.

The matching component 4 further comprises two elastic telescopic rods 43 fixed on the inner side wall of the main body 1, the telescopic ends of the two elastic telescopic rods 43 are fixedly connected with the moving part 42, the elastic telescopic rods 43 are telescopic rods with springs arranged therein commonly in the prior art, the moving part 42 forms a first inclined plane 421, a second inclined plane 422 and a third inclined plane 423 with the same slope from bottom to top, the second inclined plane 422 and the third inclined plane 423 have the same length, the length of the first inclined plane 421 is longer than that of the second inclined plane 422, namely, the pin rod 41 is initially maintained in a horizontal square box and does not pass through the first gear and the second gear, in order to set the return groove 426 to give up a certain horizontal width, the upper end of the first inclined plane 421 is adjacent to a first L-shaped straight plane, the upper end of the second inclined plane 422 is adjacent to a second L-shaped straight plane, the first L-shaped straight surface and the second inclined surface 422 are formed with a first clamping groove 424, the first clamping groove 424 is a first gear, the second L-shaped straight surface and the third inclined surface 423 are formed with a second clamping groove 425, the second clamping groove 425 is a second gear, the third gear is formed on the third inclined surface 423, the third gear is provided with an L-shaped return channel, the lower end of the return channel is provided with a one-way door 427, the one-way door 427 can only deflect towards the direction far away from the return groove 426 and can not deflect reversely, therefore, the pin rod 41 can only move downwards in the one-way door 427 from top to bottom and can not move upwards, it is worth mentioning that the moving part 42 is positioned on one side of the pin rod 41, and therefore can be mutually matched, the lower end of the one-way door 427 is fixedly connected with a second contact switch, and is a shutdown switch of the rotating motor 24.

Further, in order to avoid that the monitoring camera body 28 has excessive kinetic energy under the influence of gravity acceleration and is additionally provided with the speed limiting assembly 6, the speed limiting assembly 6 comprises a rotating groove 61 formed in the inner bottom wall of the main body 1, a screw rod 62 is rotationally connected to the rotating groove 61, a driven gear 63 meshed with the limiting disc 25 is fixedly connected to the screw rod 62, a mounting plate 64 is connected to the driven gear 63 in a threaded manner, a brake piece 65 is arranged on one side, close to the limiting disc 25, of the mounting plate 64, and the driven gear 63 is driven to rotate in the descending process of the monitoring camera body 28, so that the mounting plate 64 and the brake piece 65 are driven to move towards the direction of the limiting disc 25, and the brake piece 65 is used for decelerating the limiting disc 25 and converting the kinetic energy into heat energy consumption.

Specifically, the mounting panel 64 has seted up the spacing groove 641 near one side of limiting plate 25, fixedly connected with second spring 642 in the spacing groove 641, the other end fixedly connected with spacing portion 652 of second spring 642, spacing portion 652 integrated into one piece has brake pedal 651, and brake pedal 651 runs through the setting of limiting groove 641, through the cooperation of brake pedal 651, spacing portion 652 and second spring 642, the friction/deceleration time of speed reducing pad 653 and limiting plate 25 has been prolonged, increase frictional force progressively, more steadily decelerate, and the one end veneer fixedly connected with speed reducing pad 653 of second spring 642 is kept away from to brake pedal 651, adopt rubber material, its material coefficient of friction is bigger than other materials.

The working principle of the invention is as follows:

1. when the monitoring camera body 28 is in normal use, the pin 41 contacts the one-way door 427 to be in an initial position, the rotary motor 24 is in a stop state, the spool 26 is in an engagement state with the engaging tooth arc 32, and the limit disk 25 and the spool 26 are fixed.

2. When the monitoring camera body 28 needs to be disassembled and assembled for maintenance or repair, the hand-held operating rod 5 is aligned with the lifting rod 33 and pushed upwards, because the lifting rod 33 can only move in the vertical direction and the unidirectional door 427 is arranged in one way, the pin rod 41 can not enter the return groove 426, the pin rod 41 generates thrust towards the elastic telescopic rod 43 on the moving piece 42 by pressing the first inclined plane 421, the elastic telescopic rod 43 is forced to shorten until passing through the uppermost end of the first inclined plane 421 and being clamped into the first clamping groove 424/the first gear under the elasticity of the elastic telescopic rod 43, a technician can hear a click sound, thereby being convenient for knowing that the first gear position is reached without manually maintaining the position of the lifting rod 33, the click tooth arc 32 is separated from the limiting disc 25 firstly, the monitoring camera body 28 vertically falls under the action of gravity and under the traction of the traction rope 27, the perforation guiding of the hauling rope 27 on the main body 1 and the multi-strand rope arranged at the lower end of the hauling rope 27 prevent the falling of the monitoring camera body 28 from deflecting, and due to the problem of gravity acceleration, the speed of the monitoring camera body 28 can reach the peak value after the complete release of the hauling rope 27 is over without limitation, the tensile force applied by the lower end of the hauling rope 27 is larger, and the situation that the connecting end is broken can exist, so that the speed limiting assembly 6 is additionally arranged, the driven gear 63 is meshed to drive the screw 62 to rotate during the rotation of the limiting disc 25 along with the winding drum 26, the mounting plate 64 drives the mounting plate 64 and the brake member 65 to move towards the direction of the limiting disc 25 under the condition of limiting sliding with the rotating groove 61, the compression amount of the second spring 642 and the compression degree of the speed reducing pad 653 are gradually increased, and the friction force of the speed reducing pad 653 to the limiting disc 25 is gradually increased, the braking performance is improved, and when the traction rope 27 is completely released, the dynamic potential energy of the monitoring camera body 28 also tends to be zero.

3. When the surveillance camera body 28 reaches the lowest point, but is located at a certain height above the bottom surface, so that a technician can assemble and disassemble the surveillance camera body 28, when the surveillance camera body 28 needs to be made to reach the original working position again, the lifting rod 33 is lifted upwards continuously according to the step 2, the pin rod 41 presses the second inclined surface 422, so that component force towards the elastic telescopic rod 43 is generated on the moving member 42, the elastic telescopic rod 43 is forced to shorten until the pin rod 41 passes through the uppermost end of the second inclined surface 422, the moving member 42 enables the pin rod 41 to be clamped into the second clamping groove 425/second gear under the elastic restoring force of the elastic telescopic rod 43, the pin rod 41 is contacted with the first contact switch 428, the rotating motor 24 is controlled to work, the rotating motor 24 drives the rotating shaft 23 to drive the winding drum 26 to rotate with the limiting disc 25, the limiting disc 25 is wound around the traction rope 27 continuously, the monitoring camera body 28 is lifted upwards, when the elastic connecting structure 29 is about to reach the bottom groove position, the technician continues to lift the lifting rod 33 to enable the pin rod 41 to press the third inclined surface 423, the elastic telescopic rod 43 is shortened, when the pin rod 41 passes through the uppermost end of the second inclined surface 422, the elastic telescopic rod 41 is clamped into the second clamping groove 425, the second contact position, the pin rod 41 is contacted with the first contact switch, the first contact with the second contact switch and the rotating motor is controlled to rotate, and the rotating the first contact with the elastic rod 426 again, and the rotating motor rotates to move along the elastic rod 426, and then the elastic rod and returns to the elastic rod to rotate to the elastic rod opposite to the first contact with the second contact switch. It should be noted that, during the time of resetting the pin 41, the rotating motor 24 is not stopped, so as to avoid the locking of the rotating motor 24, on one hand, the lifting rod 33 is lifted when the elastic connection structure 29 is about to reach the bottom slot, on the other hand, the movement path of the hauling rope 27 is prolonged due to the elastic arrangement of the adapting plate and the ring member, and after the ring member reaches the position, the monitoring camera body 28 also reaches the original working position, and the adapting plate is further pulled upwards, so as to compensate the time difference.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides an last response camera dismouting structure of glass door which characterized in that: comprising

A main body (1) which is arranged on the glass door and is in a box body structure;

the lifting assembly (2) is arranged in the main body (1), the lifting assembly (2) comprises a winding drum (26) and limiting discs (25) which are coaxially and fixedly connected to two ends of the winding drum (26), the winding drum (26) is wound with a traction rope (27), the other end of the traction rope (27) is connected with a monitoring camera body (28) through an elastic connecting structure (29), and the winding drum (26) can wind the traction rope (27) along the axis of the winding drum to drive the monitoring camera body (28) to ascend;

the operation assembly (3) is matched with the lifting assembly (2), the operation assembly (3) comprises a lifting rod (33) vertically penetrating through the main body (1) and arranged elastically, the upper end of the lifting rod (33) is fixedly connected with a synchronizing rod (31), and the lower end of the synchronizing rod (31) is fixedly connected with an engagement tooth arc (32) engaged with one of the limiting discs (25);

the matching component (4) is matched with the operation component (3), the matching component (4) comprises a pin rod (41) fixedly connected with the lifting rod (33) and a moving piece (42) matched with the pin rod (41), and the moving piece (42) is provided with a first gear, a second gear and a third gear from bottom to top;

when the pin rod (41) is in a first gear, the meshing toothed arc (32) is separated from the limiting disc (25), the monitoring camera body (28) can freely fall down, when the pin rod (41) is in a second gear, the winding drum (26) rotates to wind the traction rope (27) so as to drive the monitoring camera body (28) to rise to a shooting position, and when the pin rod (41) reaches a third gear, the pin rod (41) can be passively reset to an initial position, and the meshing toothed arc (32) is meshed with the limiting disc (25).

2. The structure for assembling and disassembling an induction camera on a glass door according to claim 1, wherein: the lifting assembly (2) further comprises a first supporting plate (21) and a second supporting plate (22) which are vertically fixed on the inner wall of the main body (1), two ends of the rotating shaft (23) are respectively connected with the first supporting plate (21) and the second supporting plate (22) in a rotating mode, and a rotating motor (24) used for driving the rotating shaft (23) is fixedly arranged on one side of the first supporting plate (21).

3. The induction camera mounting and dismounting structure on a glass door according to claim 2, wherein: the operation assembly (3) further comprises a limiting ring (34) fixedly connected with the lifting rod (33), a first spring (35) is sleeved outside the lifting rod (33), two ends of the first spring (35) are fixedly connected with the limiting ring (34) and the inner bottom end of the main body (1) respectively, and the synchronizing rod (31) is sleeved on the second supporting plate (22) in a sliding mode.

4. The structure for assembling and disassembling an induction camera on a glass door according to claim 1, wherein: the cooperation subassembly (4) still include two elastic telescopic links (43) of fixing at main part (1) inside wall, two the flexible end of elastic telescopic links (43) all with remove piece (42) fixed connection, remove piece (42) from bottom to top and form first inclined plane (421) that the slope is the same, second inclined plane (422), third inclined plane (423), and second inclined plane (422) are the same with third inclined plane (423) length, the length of first inclined plane (421) is greater than the length of second inclined plane (422), the upper end of first inclined plane (421) is adjacent to have first L type straight face, the upper end of second inclined plane (422) is adjacent to have second L type straight face, first L type straight face is formed with first draw-in groove (424) with second inclined plane (422), first draw-in groove (424) are first gear, second L type straight face is formed with third inclined plane (423) second draw-in groove (427), second draw-in groove (421) are the length of first inclined plane (423), second inclined plane (423) are adjacent to have first L type straight face, return direction (427) are formed towards one-way switch (426), return direction is seted up to one-way door (427).

5. The structure for assembling and disassembling an induction camera on a glass door according to claim 4, wherein: the elastic connection structure (29) comprises an annular piece fixedly connected with the monitoring camera body (28) by using a bolt, any radial section of the annular piece is L-shaped, an adaptation plate is elastically arranged in the annular piece, the lower end of the traction rope (27) is divided into a plurality of end parts and is fixedly connected with the adaptation plate, and a bottom groove for accommodating the elastic connection structure (29) is formed in the lower end of the main body (1).

6. The structure for assembling and disassembling an induction camera on a glass door according to claim 5, wherein: still include speed limiting component (6), speed limiting component (6) are including seting up rotation groove (61) at the internal diapire of main part (1), rotation groove (61) internal rotation is connected with screw rod (62), fixedly connected with and limit plate (25) engaged passive gear (63) on screw rod (62), threaded connection has mounting panel (64) on passive gear (63), one side that mounting panel (64) are close to limit plate (25) is provided with brake (65).

7. The structure for assembling and disassembling an induction camera on a glass door according to claim 6, wherein: the utility model discloses a brake disc, including mounting panel (64), limiting plate (641) have been seted up to one side that is close to limiting plate (25), fixedly connected with second spring (642) in limiting plate (641), the other end fixedly connected with spacing portion (652) of second spring (642), spacing portion (652) integrated into one piece has braking vane (651), and braking vane (651) run through limiting plate (641) setting, one end veneer fixedly connected with speed reduction pad (653) that second spring (642) was kept away from to braking vane (651).

8. The structure for assembling and disassembling an induction camera on a glass door according to claim 1, wherein: the device also comprises an operation rod (5) for operation, and the section diameter of the operation rod (5) is smaller than that of the lifting rod (33).