CN112055146A

CN112055146A - Can protect and accomodate monitoring head and can install in watch-dog on each plane

Info

Publication number: CN112055146A
Application number: CN202011001447.2A
Authority: CN
Inventors: 张达君
Original assignee: Wuyi Ouchang Electronic Co ltd
Current assignee: Wuyi Ouchang Electronic Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-08

Abstract

The invention discloses a monitor which can protect and store a monitoring head and can be arranged on each plane, comprising a main body, an air cavity with an upward opening is arranged at the upper side of the main body, fixing mechanisms are arranged in the air cavity and the excircle, the fixing mechanism comprises an exhaust plate which is arranged in the air cavity and can slide up and down, the excircle side of the air cavity is communicated with an annular sliding cavity, the upper side of the sliding cavity is communicated with an annular wall-abutting block cavity, the invention can be arranged on any plane by fixing the gas-evacuated cavity on the wall through atmospheric pressure, meanwhile, the utility model is convenient to carry and use at any time, only one plane needs to be searched when in use, meanwhile, when the device is not used at ordinary times, the monitoring equipment is hidden in the cavity of the main body for protection, and the cavity is extended out when the device is used, so that the damage to the monitoring equipment when the device is not used can be reduced, and the service life of the device is prolonged.

Description

Can protect and accomodate monitoring head and can install in watch-dog on each plane

Technical Field

The invention relates to the field of monitor equipment, in particular to a monitor capable of protecting and accommodating a monitoring head and being installed on each plane.

Background

In daily life, a surrounding environment needs to be observed sometimes, but only one pair of eyes are very inconvenient, at the moment, a monitoring device which can be carried about is needed, but the common monitoring device is difficult to carry, and the monitoring device is inconvenient to use only by being installed, even if the portable monitoring device is difficult to ensure the protection of a monitoring camera screen in the carrying process, once a sharp device is touched, the monitoring screen can be damaged to a certain extent, and the problems can be solved.

Disclosure of Invention

In order to solve the problems, the present embodiment designs a monitor head capable of being stored and installed on each plane, and the monitor head capable of being stored and installed on each plane comprises a main body, wherein an air cavity with an upward opening is arranged on the upper side of the main body, fixing mechanisms are arranged in the air cavity and on the excircle of the air cavity, each fixing mechanism comprises an exhaust plate which is arranged in the air cavity and can slide up and down, the excircle side of the air cavity is communicated with an annular sliding cavity, the upper side of the sliding cavity is communicated with an annular wall abutting block cavity, a connecting block is fixedly connected on the excircle surface of the exhaust plate, a wall abutting block is fixedly connected on the excircle surface of the connecting block, the wall abutting block can slide up and down in the wall abutting block cavity, the connecting block can slide up and down in the sliding cavity, a center block cavity is communicated with the lower side of the air cavity, and a center block capable of sliding up and down is arranged in the center, a left sliding rod cavity is communicated with one side of the central block, a left sliding rod capable of sliding left and right is arranged in the left sliding rod cavity, a left door blocking block cavity is communicated with one side of the left sliding rod, a left door blocking block capable of sliding up and down is arranged in the left door blocking block cavity, an upper vent hole is communicated with the left lower side of the air cavity, a left pneumatic wheel cavity is arranged on the lower side of the upper vent hole, the right wall of the left pneumatic wheel cavity is rotatably connected with a left pneumatic wheel shaft, the left end of the left pneumatic wheel shaft extends into the left pneumatic wheel cavity and is fixedly provided with a left pneumatic wheel seat, a left pneumatic wheel blade is fixedly arranged on the outer circular surface of the left pneumatic wheel seat, a lower vent hole is communicated with the lower side of the left pneumatic wheel cavity, an upper vent hole is communicated with a front vent hole, the left side of the front vent hole is communicated with a rear pneumatic wheel cavity, the lower wall of the rear pneumatic wheel cavity is rotatably connected with a rear pneumatic wheel shaft, the upper end, the outer disc of back pneumatic wheel seat is fixed and is equipped with back pneumatic wheel leaf, back pneumatic wheel chamber rear side intercommunication is equipped with the back gas pocket, both sides intercommunication is equipped with back stifled door piece chamber about the back gas pocket, back stifled door piece intracavity is equipped with gliding back stifled door piece from top to bottom, back stifled door piece chamber downside intercommunication is equipped with the button chamber, gliding button around being equipped with in the button chamber, fixed establishment is used for with the main part is fixed in on the plane, the main part downside is equipped with the decurrent door chamber of opening, the door chamber excircle is equipped with protection mechanism, protection mechanism plays the protection when not using, door chamber upside intercommunication is equipped with the watch-dog chamber, watch-dog chamber upside with be equipped with drive mechanism between the air chamber, drive mechanism is used for control reciprocating of watch-dog base.

Preferably, terminal surface under the left side pneumatic wheel leaf with it blocks up a spring to be fixed between the door piece lower wall on a left side to be equipped with, left side slide bar upside is equipped with the ascending left slide bar groove of opening, back stifled door piece up end with it blocks up a spring after fixed being equipped with between the stifled door piece chamber upper wall, back stifled door piece rear side is equipped with the backward back stifled door piece groove of opening, button chamber excircle one side intercommunication is equipped with the stopper chamber, the outer disc fixedly connected with stopper of button, the stopper can slide around the stopper intracavity, terminal surface before the stopper with it is equipped with the stopper spring to fix between the stopper chamber antetheca.

Preferably, the protection mechanism comprises a protection plate cavity communicated with the outer circular surface of the door cavity, a sliding protection plate is arranged in the protection plate cavity, the protection plate can be closed when sliding to be close to the limit position of one side of the door cavity to protect the monitor base, a rotating wheel cavity is communicated with the upper side of the protection plate cavity, a rotating wheel which can be rotatably connected with the inner wall of the rotating wheel cavity is arranged in the rotating wheel cavity, a guide block cavity which penetrates through the rotating wheel from top to bottom is arranged in the rotating wheel, the upper end of the protection plate is connected with a guide block which slides in the guide block cavity, an annular path control groove is communicated with the upper side of the protection plate cavity, the lower end of the protection plate is connected with a path control block which slides in the path control groove, a sleeve cavity is communicated with the upper side of the rotating wheel cavity, and a sleeve which is rotatably connected with, the left end face of the upper side of the sleeve is fixedly connected with a toothed ring.

Preferably, a fixed ring block in sliding connection with the monitor cavity is arranged on the upper side in the monitor cavity, a monitor base is fixedly arranged on the inner circular surface of the fixed ring block, a monitoring head is fixedly arranged on the lower end surface of the monitor base, a limiting ring fixedly connected with the inner wall of the monitor cavity is arranged on the upper side of the fixed ring block, a screw cavity with an upward opening is arranged on the upper side of the monitor base, and a screw connected with a thread is arranged in the screw cavity.

Preferably, the transmission mechanism comprises a belt wheel cavity arranged at the upper side of the monitor cavity, the upper end of the screw rod extends into the belt wheel cavity and is fixedly connected with a driven chain wheel, a driven belt wheel which is fixedly connected with the outer circular surface of the screw and is positioned in the belt wheel cavity is arranged at the lower side of the driven chain wheel, the left side of the belt wheel cavity is communicated with a belt wheel cavity, the upper wall of the left side of the belt wheel cavity is rotationally connected with a belt wheel shaft, the outer circular surface of the pulley shaft is fixedly connected with a driving pulley positioned right to the left of the driven pulley, a pulley belt is wound between the driven pulley and the driving pulley, a bevel gear cavity is communicated with the lower side of the belt wheel cavity, the lower end of the belt wheel shaft extends into the bevel gear cavity and is fixedly provided with a driven bevel gear, the left wall of the bevel gear cavity is rotatably connected with a left pneumatic wheel shaft, and the right end of the left pneumatic wheel shaft is fixedly connected with a driving bevel gear meshed with the lower side of the driven bevel gear.

Preferably, the rear side of the belt wheel cavity is communicated with a chain wheel cavity, a rear pneumatic wheel shaft is connected between the upper wall and the lower wall of the rear side of the chain wheel cavity in a rotating mode, a driving sprocket is connected to the outer circular surface of the rear pneumatic wheel shaft in a rotating mode, a chain wheel is arranged between the driving sprocket and the driven sprocket in a winding mode, the lower side of the chain wheel cavity is provided with a straight gear cavity, the rear side of the monitor cavity is located, the straight gear cavity is communicated with the front side of the sleeve cavity, and the lower end of the rear pneumatic wheel shaft extends to the straight gear cavity and the straight gear is fixedly connected with the straight gear.

The invention has the beneficial effects that: the invention can be fixed on any plane through atmospheric pressure by evacuating the gas in the cavity during installation to form a few gas cavities, is convenient to carry and use at any time, is convenient to find one plane when in use, meanwhile, the monitoring equipment is hidden in the cavity of the main body to be protected when the device is not used at ordinary times, and extends out of the cavity when in use, thereby reducing the damage to the monitoring equipment when not in use and prolonging the service life.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is a schematic diagram of B-B of FIG. 1;

FIG. 4 is an enlarged schematic view of C in FIG. 1;

fig. 5 is an enlarged schematic view of D in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a monitor capable of protecting and accommodating a monitoring head and being installed on each plane, which comprises a main body 11, wherein an air cavity 34 with an upward opening is arranged on the upper side of the main body 11, fixing mechanisms 101 are arranged in the air cavity 34 and on the excircle, each fixing mechanism 101 comprises an exhaust plate 33 which is arranged in the air cavity 34 and can slide up and down, the excircle side of the air cavity 34 is communicated with an annular sliding cavity 32, the upside of the sliding cavity 32 is communicated with an annular wall block cavity 69, the excircle side of the exhaust plate 33 is fixedly connected with a connecting block 31, the excircle side of the connecting block 31 is fixedly connected with a wall block 30, the wall block 30 can slide up and down in the wall block cavity 69, the connecting block 31 can slide up and down in the sliding cavity 32, a central block cavity 35 is communicated with the lower side of the air cavity 34, and a central block 36 which can slide up and down is arranged in the central block cavity 35, a left slide rod cavity 39 is communicated with one side of the central block 36, a left slide rod 38 capable of sliding left and right is arranged in the left slide rod cavity 39, a left door-blocking block cavity 43 is communicated with one side of the left slide rod 38, a left door-blocking block 42 capable of sliding up and down is arranged in the left door-blocking block cavity 43, an upper vent hole 41 is communicated with the left lower side of the air cavity 34, a left pneumatic wheel cavity 44 is arranged on the lower side of the upper vent hole 41, a left pneumatic wheel shaft 47 is rotatably connected to the right wall of the left pneumatic wheel cavity 44, the left end of the left pneumatic wheel shaft 47 extends into the left pneumatic wheel cavity 44 and is fixedly provided with a left pneumatic wheel seat 46, a left pneumatic wheel blade 45 is fixedly arranged on the outer circular surface of the left pneumatic wheel seat 46, a lower vent hole 48 is communicated with the lower vent hole 44, an upper vent hole 49 is communicated with the rear lower side of the air cavity 34, a rear pneumatic wheel cavity 78 is communicated with the left side of the upper vent hole 49, and a, the upper end of the rear pneumatic wheel shaft 50 extends into the rear pneumatic wheel cavity 78 and is fixedly provided with a rear pneumatic wheel seat 80, the outer circular surface of the rear pneumatic wheel seat 80 is fixedly provided with a rear pneumatic wheel blade 79, the rear side of the rear pneumatic wheel cavity 78 is communicated with a rear air vent 73, the upper side and the lower side of the rear air vent 73 are communicated with a rear door block cavity 64, a rear door block 76 sliding up and down is arranged in the rear door block cavity 64, the lower side of the rear door block cavity 64 is communicated with a button cavity 57, a button 72 sliding front and back is arranged in the button cavity 57, the fixing mechanism 101 is used for fixing the main body 11 on a plane, the lower side of the main body 11 is provided with a door cavity 19 with a downward opening, the outer circle of the door cavity 19 is provided with a protection mechanism 103, the protection mechanism 103 is used for protecting when the door cavity 103 is not in use, the upper side of the door cavity 19 is communicated with a monitor cavity 68, a transmission mechanism 102 is, the transmission mechanism 102 is used to control the up and down movement of the monitor base 17.

Beneficially, a left door blocking spring 40 is fixedly arranged between the lower end face of the left pneumatic wheel blade 45 and the lower wall of the left door blocking block 42, a left slide rod groove 37 with an upward opening is formed in the upper side of the left slide rod 38, a rear door blocking spring 75 is fixedly arranged between the upper end face of the rear door blocking block 76 and the upper wall of the rear door blocking block cavity 64, a rear door blocking block groove 77 with a rearward opening is formed in the rear side of the rear door blocking block 76, a limiting block cavity 70 is communicated with one side of the outer circle of the button cavity 57, a limiting block 71 is fixedly connected to the outer circle face of the button 72, the limiting block 71 can slide back and forth in the limiting block cavity 70, and a limiting block spring 74 is fixedly arranged between the front end face of the limiting block 71 and the front.

Beneficially, the protection mechanism 103 includes a protection board cavity 23 communicated with and arranged on the outer circumferential surface of the door cavity 19, a protection board 27 capable of sliding is arranged in the protection board cavity 23, the protection board 27 can be closed when sliding to a limit position close to one side of the door cavity 19, the monitor base 17 is protected by the door cavity 19, a runner cavity 22 is communicated with and arranged on the upper side of the protection board cavity 23, a runner 20 capable of being rotatably connected with the inner wall of the runner cavity 22 is arranged in the runner cavity 22, a guide block cavity 26 penetrating up and down is arranged in the runner 20, a guide block 21 sliding in the guide block cavity 26 is connected to the upper end of the protection board 27, an annular path control groove 24 is communicated with the upper side of the protection board cavity 23, a path control block 25 sliding in the path control groove 24 is connected to the lower end of the protection board 27, and a sleeve cavity 14 is communicated with the upper side of the, the upper end of the rotating wheel 20 is fixedly provided with a sleeve 12 which is rotationally connected with the outer circular wall of the sleeve cavity 14, and the left end face of the upper side of the sleeve 12 is fixedly connected with a toothed ring 13.

Beneficially, a fixed ring block 15 slidably connected with the monitor cavity 68 is arranged on the inner upper side of the monitor cavity 68, a monitor base 17 is fixedly arranged on the inner circular surface of the fixed ring block 15, a monitoring head 18 is fixedly arranged on the lower end surface of the monitor base 17, a limiting ring 16 fixedly connected with the inner wall of the monitor cavity 68 is arranged on the upper side of the fixed ring block 15, a screw cavity 28 with an upward opening is arranged on the upper side of the monitor base 17, and a screw 29 in threaded connection is arranged in the screw cavity 28.

Advantageously, the transmission mechanism 102 includes a pulley chamber 60 disposed at the upper side of the monitor chamber 68, the upper end of the screw 29 extends into the pulley chamber 60 and is fixedly connected with a driven sprocket 59, the lower side of the driven sprocket 59 is provided with a driven pulley 58 fixedly connected to the outer circumferential surface of the screw 29 and located in the pulley chamber 60, the left side of the pulley chamber 60 is communicated with a pulley belt chamber 53, the upper wall of the left side of the pulley belt chamber 53 is rotatably connected with a pulley shaft 55, the outer circumferential surface of the pulley shaft 55 is fixedly connected with a driving pulley 54 located right to the driven pulley 58, a pulley belt 56 is wound between the driven pulley 58 and the driving pulley 54, the lower side of the pulley belt chamber 53 is communicated with a bevel gear chamber 63, the lower end of the pulley shaft 55 extends into the bevel gear chamber 63 and is fixedly provided with a driven bevel gear 61, the left wall of the bevel gear chamber 63 is rotatably connected with a left pneumatic pulley shaft 47, and a driving bevel gear 62 meshed with the lower side of the driven bevel gear 61 is fixedly connected to the right end of the left pneumatic wheel shaft 47.

Beneficially, pulley chamber 60 rear side intercommunication is equipped with sprocket chamber 66, it is connected with back pneumatic wheel axle 50 to rotate between the wall about on the sprocket chamber 66 rear side, the outer disc of back pneumatic wheel axle 50 rotates and is connected with drive sprocket 67, drive sprocket 67 with around being equipped with sprocket chain 65 between the driven sprocket 59, sprocket chamber 66 downside is equipped with and is located watch-dog chamber 68 rear side and with the straight-teeth gear chamber 51 of sleeve chamber 14 front side intercommunication, back pneumatic wheel axle 50 lower extreme extends to in the straight-teeth gear chamber 51 and fixedly connected with straight-teeth gear 52.

The use steps herein are described in detail below with reference to fig. 1-5: in the initial state, the protection plate 27 is closed, the left door blocking block 42 is at the lower limit position, the upper vent hole 41 is communicated with the lower vent hole 48, the central block 36 is at the upper limit position, the fixed ring block 15 is at the upper limit position, and the rear air inlet hole 73 is not communicated with the front air inlet hole 49 when the rear door blocking block 76 is at the upper limit position.

When the pneumatic wall pressing device is used, the pneumatic wall pressing device is arranged on a plane, the wall pressing block 30 presses against the plane under the pushing of manpower, the wall pressing block 30 moves towards the sliding cavity 32, the wall pressing block 30 moves to drive the connecting block 31 and drive the exhaust plate 33 to move backwards, the wall pressing block 30 is initially contacted with the plane, no gas enters a space formed by the exhaust plate 33, the exhaust plate 33 moves to discharge air in the air cavity 34 through the upper exhaust hole 41, the left pneumatic wheel cavity 44 and the lower exhaust hole 48, the air discharged from the upper exhaust hole 41 drives the left pneumatic wheel blade 45 to rotate, the left pneumatic wheel blade 45 rotates to drive the left pneumatic wheel seat 46 to rotate, the left pneumatic wheel seat 46 rotates to drive the driving bevel gear 62 to rotate through the left pneumatic wheel shaft 47, the driving bevel gear 62 drives the driven bevel gear 61 to rotate through gear meshing and drives the belt wheel shaft 55 to rotate, the belt wheel shaft 55 rotates to drive the driving belt wheel 54 to rotate and drives the driven belt, the driven belt wheel 58 rotates to drive the screw 29 to rotate and drive the monitor base 17 to move downwards through threaded connection, meanwhile, the screw 29 rotates to drive the driven chain wheel 59 to rotate, the driven chain wheel 59 drives the driving chain wheel 67 to rotate through a chain wheel chain 65 and drives the rear pneumatic wheel shaft 50 to rotate, the rear pneumatic wheel shaft 50 rotates to drive the straight gear 52 to rotate, the straight gear 52 drives the toothed ring 13 to rotate through gear meshing and drives the sleeve 12 to rotate, the sleeve 12 drives the rotating wheel 20 to rotate, and the rotating wheel 20 drives the guide block 21 to move and drives the protection plate 27 to move towards the protection plate cavity 23 to remove the closing of the door cavity 19.

When the device is not used, the button 72 is pressed, the button 72 pushes against the inclined surface to drive the rear door-blocking block 76 to descend, the rear door-blocking block 76 descends to remove the blocking of the rear air hole 73, the rear air hole 73 is communicated with the front air hole 49 to ventilate the air cavity 34, the exhaust plate 33 returns to the initial state under the action of the atmospheric pressure, the wall-blocking block 30 is driven by the connecting block 31 to return to the initial state, meanwhile, when the air passes through the rear air wheel cavity 78 to drive the rear air wheel blade 79 to rotate, the rear air wheel blade 79 rotates to drive the rear air wheel seat 80 and the rear air wheel shaft 50 to rotate, the rear air wheel shaft 50 rotates to drive the spur gear 52 to rotate, the spur gear 52 drives the toothed ring 13 to rotate through gear meshing and drive the sleeve 12 to rotate, the sleeve 12 drives the rotating wheel 20 to rotate, the rotating wheel 20 drives the guide block 21 to move and drive the protective plate 27 to move into the protective plate, the rear pneumatic axle 50 rotates to drive the driving sprocket 67 to rotate and the driven sprocket 59 to rotate through the sprocket chain 65, and the driven sprocket 59 rotates to drive the screw 29 to rotate and drive the monitor base 17 to move upwards through the threaded connection to return to the initial state.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can protect and accomodate monitoring head and can install in the watch-dog on each plane, includes the main part, its characterized in that: the upper side of the main body is provided with an air cavity with an upward opening, the air cavity and the excircle are provided with fixing mechanisms, each fixing mechanism comprises an exhaust plate which is arranged in the air cavity and can slide up and down, the excircle side of the air cavity is communicated with an annular sliding cavity, the upper side of the sliding cavity is communicated with an annular wall-abutting block cavity, the excircle surface of the exhaust plate is fixedly connected with a connecting block, the excircle surface of the connecting block is fixedly connected with a wall-abutting block, the wall-abutting block can slide up and down in the wall-abutting block cavity, the connecting block can slide up and down in the sliding cavity, the lower side of the air cavity is communicated with a center block cavity, a center block which can slide up and down is arranged in the center block cavity, one side of the center block is communicated with a left slide rod cavity, a left slide rod which can slide left and right is arranged in the left slide rod, a left door plugging block capable of sliding up and down is arranged in the left door plugging block cavity, an upper air vent is communicated and arranged at the left lower side of the air cavity, a left pneumatic wheel cavity is arranged at the lower side of the upper air vent, the right wall of the left pneumatic wheel cavity is rotatably connected with a left pneumatic wheel shaft, the left end of the left pneumatic wheel shaft extends into the left pneumatic wheel cavity and is fixedly provided with a left pneumatic wheel seat, a left pneumatic wheel blade is fixedly arranged on the outer circular surface of the left pneumatic wheel seat, a lower air vent is communicated and arranged at the lower side of the left pneumatic wheel cavity, a front air vent is communicated and arranged at the rear lower side of the air cavity, a rear pneumatic wheel cavity is communicated and arranged at the left side of the front air vent, a rear pneumatic wheel shaft is rotatably connected with the lower wall of the rear pneumatic wheel cavity, the upper end of the rear pneumatic wheel shaft extends into the rear pneumatic wheel cavity and is fixedly provided with a rear pneumatic wheel seat, a rear pneumatic wheel blade is fixedly, the utility model discloses a safety monitoring device for a vehicle, including back air vent, back door-blocking piece, fixing mechanism, main part, door cavity, protection mechanism, monitor base, button cavity, gliding button around the button cavity, fixing mechanism is used for with the main part is fixed in on the plane, the main part downside is equipped with the decurrent door cavity of opening, the door cavity excircle is equipped with protection mechanism, protection mechanism plays the protection when not using, door cavity upside intercommunication is equipped with the monitor cavity, monitor cavity upside with be equipped with drive mechanism between the air cavity, drive mechanism is used for control reciprocating of monitor base.

2. A monitor capable of protecting a housed monitoring head and capable of being mounted on a variety of surfaces as claimed in claim 1, wherein: terminal surface under the pneumatic wheel leaf of a left side with fixed left stifled door spring that is equipped with between the stifled door piece lower wall of a left side, left side slide bar upside is equipped with the ascending left slide bar groove of opening, back stifled door piece up end with fixed back stifled door spring that is equipped with between the stifled door piece upper wall of back, back stifled door piece rear side is equipped with the back stifled door piece groove of opening backward, button chamber excircle one side intercommunication is equipped with the stopper chamber, the outer disc fixedly connected with stopper of button, the stopper can slide around the stopper intracavity, terminal surface before the stopper with the stopper chamber antetheca is fixed and is equipped with the stopper spring.

3. A monitor capable of protecting a housed monitoring head and capable of being mounted on a variety of surfaces as claimed in claim 1, wherein: the protection mechanism comprises a protection plate cavity communicated with the outer circular surface of the door cavity, a protection plate capable of sliding is arranged in the protection plate cavity, the protective plate can close the door cavity to protect the monitor base when sliding to the limit position close to one side of the door cavity, the upper side of the protection plate cavity is communicated with a rotating wheel cavity, a rotating wheel which can be rotatably connected with the inner wall of the rotating wheel cavity is arranged in the rotating wheel cavity, a guide block cavity which penetrates through the rotating wheel up and down is arranged in the rotating wheel, the upper end of the protection plate is connected with a guide block which slides in the guide block cavity, the upper side of the protection plate cavity is communicated with an annular path control groove, the lower end of the protection plate is connected with a path control block which slides in the path control groove, the runner chamber upside intercommunication is equipped with the sleeve chamber, the runner upper end is fixed be equipped with the sleeve that the outer disc wall of sleeve chamber rotates to be connected, sleeve upside left end face fixedly connected with ring gear.

4. A monitor capable of protecting a housed monitoring head and capable of being mounted on a variety of surfaces as claimed in claim 1, wherein: the upper side in the monitor cavity is provided with a fixed ring block in sliding connection with the monitor cavity, the inner circular surface of the fixed ring block is fixedly provided with a monitor base, the lower end surface of the monitor base is fixedly provided with a monitoring head, the upper side of the fixed ring block is provided with a limiting ring fixedly connected with the inner wall of the monitor cavity, the upper side of the monitor base is provided with a screw cavity with an upward opening, and the screw cavity is internally provided with a screw rod in threaded connection.

5. A monitor capable of protecting a housed monitoring head and capable of being mounted on a variety of surfaces as claimed in claim 1, wherein: the transmission mechanism comprises a belt wheel cavity arranged at the upper side of the monitor cavity, the upper end of the screw rod extends into the belt wheel cavity and is fixedly connected with a driven chain wheel, a driven belt wheel which is fixedly connected with the outer circular surface of the screw and is positioned in the belt wheel cavity is arranged at the lower side of the driven chain wheel, the left side of the belt wheel cavity is communicated with a belt wheel cavity, the upper wall of the left side of the belt wheel cavity is rotationally connected with a belt wheel shaft, the outer circular surface of the pulley shaft is fixedly connected with a driving pulley positioned right to the left of the driven pulley, a pulley belt is wound between the driven pulley and the driving pulley, a bevel gear cavity is communicated with the lower side of the belt wheel cavity, the lower end of the belt wheel shaft extends into the bevel gear cavity and is fixedly provided with a driven bevel gear, the left wall of the bevel gear cavity is rotatably connected with a left pneumatic wheel shaft, and the right end of the left pneumatic wheel shaft is fixedly connected with a driving bevel gear meshed with the lower side of the driven bevel gear.

6. A monitor capable of protecting and housing a monitoring head and capable of being mounted on various planes as claimed in claim 5, wherein: the utility model discloses a sleeve chamber, including casing, straight-teeth gear chamber, sprocket chamber, outer disc, drive sprocket, driven sprocket, sprocket chamber, straight-teeth gear chamber, rear pneumatic shaft lower extreme extends to straight-teeth gear intracavity and fixedly connected with straight-teeth gear, the sprocket chamber is equipped with the sprocket chamber in the sprocket chamber rear side intercommunication, it is connected with back pneumatic shaft to rotate between the wall about the sprocket chamber rear side, the outer disc of back pneumatic shaft rotates and is connected with drive sprocket, drive sprocket with around being equipped with the sprocket chain between the driven sprocket, sprocket chamber downside is equipped with and is located watch-dog chamber rear side and with the straight-teeth gear chamber.