CN110360420B

CN110360420B - Anti-theft camera with reset function

Info

Publication number: CN110360420B
Application number: CN201910667310.1A
Authority: CN
Inventors: 刘国强; 刘伊杰; 程玉添; 林金飞
Original assignee: Shenzhen Zhongan Video Technology Co ltd
Current assignee: Shenzhen Zhongan Video Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-17
Anticipated expiration: 2039-07-23
Also published as: CN110360420A

Abstract

The invention relates to an anti-theft camera with a reset function, which effectively solves the problems that the existing camera cannot be automatically reset after being twisted by manpower and the monitoring capability is easily damaged; the technical scheme of its solution includes the backup pad, there is a casing top of backup pad, the department of opening is equipped with the casing door to the front and back side of casing, be equipped with a camera in the casing, the camera lower extreme has a hollow pipe, each slidable mounting in both sides has one can with the camera with the pin that can fix around the camera, the first rope of lower extreme of two pins links to each other, the left end of backup pad is equipped with a take-up pulley, there is the second rope on the take-up pulley, the first rope intermediate position in outer end of second rope is connected, be equipped with a cross slot that sets up along its length direction on the upper end face of backup pad, the lower extreme of hollow pipe is arranged in logical inslot and can be followed the cross slot and slided, the coaxial friction pulley that is fixed with of lower extreme of hollow pipe, respectively be equipped with one on the lateral wall around the cross.

Description

Anti-theft camera with reset function

Technical Field

The invention relates to the field of anti-theft cameras, in particular to an anti-theft camera with a reset function.

Background

The camera has been applied to various industries as a monitoring device, the camera is visible everywhere in public environments such as markets, underground garages, roadside, etc., the camera not only can play a monitoring role but also can effectively play a deterrent role to criminals, criminals usually observe whether the camera exists at first when carrying out crimes, if the camera possibly cancels criminal thoughts, or the camera is twisted to make the camera incapable of monitoring criminals, thereby carrying out criminal actions on the next step, the traditional camera is generally hinged on a wall body or a support frame, so that the angle can be adjusted when the camera is conveniently installed, the camera after being installed is easily twisted under artificial action, the camera loses the monitoring role after being twisted, and criminals can be unscrupulous.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the anti-theft camera with the reset function, which effectively solves the problems that the existing camera cannot be automatically reset after being twisted by manpower and the monitoring capability is easily damaged.

The technical scheme includes that the device comprises a support plate, a shell capable of rotating in a plane where the support plate is located is arranged above the support plate at intervals in parallel, the front side and the rear side of the shell are in an open shape, a shell door which is made of steel mesh and can be turned upwards to be parallel to the support plate is hinged to openings on the front side and the rear side of the shell respectively, a camera with an axis parallel to the support plate is arranged in the shell, a hollow circular tube is vertically arranged on the lower end face of the camera, a pin with an upward spring trend is arranged on the front side and the rear side of the camera in a sliding mode, a positioning sleeve matched with the pin is arranged on the upper top face of the shell, the lower ends of the two pins are connected through a first rope penetrating through the hollow circular tube, a winding wheel driven by a stepping motor is arranged at the left end of the support plate, a second rope is wound and fixed on the winding wheel, the outer end, be equipped with the first pressure spring of suit on the second rope between reel and the hollow pipe, be equipped with a cross slot that sets up along its length direction on the upper end face of backup pad, the lower extreme of hollow pipe is arranged in and is led to the inslot and can be followed the cross slot and slide, the lower extreme coaxial fixed with a friction pulley of hollow pipe, respectively be equipped with an opening towards the cylinder of cross slot on the lateral wall around the cross slot, paste wall slidable mounting in every cylinder and have one can with friction pulley complex friction plate, the friction plate that unilateral casing door corresponds after opening rather than moves to the cross slot direction and can with the friction pulley contact, the friction pulley moves the friction plate and resets to the friction plate end back friction plate.

The invention has novel concept, smart structure and strong practicability, and effectively solves the problems that the existing camera cannot automatically reset after being twisted by manpower and the monitoring capability is easily damaged.

Drawings

FIG. 1 is a left side sectional view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a front sectional view of the present invention without the housing and camera mounted.

Fig. 4 is a top sectional view showing the profile of the upper end surface of the support plate according to the present invention.

FIG. 5 is a top cross-sectional view of the invention when untwisted.

Fig. 6 is a top sectional view of the present invention when twisted.

Fig. 7 is a top sectional view of the upper end surface of the support plate and its mating mounting structure of the present invention.

FIG. 8 is a left side sectional view of the case of the present invention.

FIG. 9 is a top sectional view of the case and the support plate of the present invention.

Fig. 10 is a state diagram of the camera head movement of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 10, the present invention comprises a supporting plate 1, a housing 2 capable of rotating in a plane thereof is arranged above the supporting plate 1 in parallel at intervals, the front and back sides of the housing 2 are open, the front and back side openings of the housing 2 are respectively hinged with a housing door 3 made of steel mesh and capable of turning upwards to be parallel to the supporting plate 1, a camera 4 with an axis parallel to the supporting plate 1 is arranged in the housing 2, a hollow circular tube 5 is vertically arranged on the lower end surface of the camera 4, a pin 6 with an upward pop-up tendency is respectively arranged on the front and back sides of the camera 4 in a sliding manner, a positioning sleeve 7 matched with the pin 6 is arranged on the upper top surface of the housing 2, the lower ends of the two pins 6 are connected through a first rope 8 penetrating through the hollow circular tube 5, a winding wheel 9 driven by a stepping motor is arranged on the left end of the supporting plate 1, a second rope 10 is wound and fixed on, the outer end of a second rope 10 penetrates into the hollow circular tube 5 from the outer circular surface of the hollow circular tube 5 and is connected with the middle position of the first rope 8, a first pressure spring 11 sleeved on the second rope 10 is arranged between the winding wheel 9 and the hollow circular tube 5, a transverse groove 12 arranged along the length direction of the support plate 1 is arranged on the upper end plate surface of the support plate 1, the lower end of the hollow circular tube 5 is arranged in the through groove and can slide along the transverse groove 12, a friction wheel 13 is coaxially fixed at the lower end of the hollow circular tube 5, a cylinder 14 with an opening facing the transverse groove 12 is respectively arranged on the front side wall and the rear side wall of the transverse groove 12, a friction plate 15 capable of being matched with the friction wheel 13 is arranged in each cylinder 14 in a wall-pasting sliding mode, the friction plate 15 corresponding to the single-side shell door 3 after being opened moves towards the transverse groove 12 and can be contacted with the friction wheel 13, and the friction wheel 13 moves.

In order to facilitate the installation of the device, a box 16 is arranged at the left end of the supporting plate 1, the winding wheel 9 is arranged in the box 16, the outer end of the second rope 10 penetrates out of the box 16, the first pressure spring 11 is sleeved on the second rope 10 between the box 16 and the hollow circular tube 5, piston cylinders 18 driven by electric push rods 17 are respectively arranged at the front side and the rear side of the winding wheel 9, the piston cylinders 18 are connected with corresponding side air cylinders 14 through pipelines, a first driving switch 19 of the electric push rods 17 at the corresponding sides is arranged on the shell door 3, and a second driving switch 20 capable of driving the electric push rods 17 to reset is arranged on the left end face of the transverse groove 12.

In order to realize that casing 2 and camera 4 can rotate simultaneously when initial stage, the lower terminal surface of casing 2 is equipped with one and the coaxial interval arrangement's of hollow pipe 5 arc 21, and the right-hand member of backup pad 1 is equipped with and supplies arc 21 and the synchronous pivoted arc 22 of hollow pipe 5, and the lower extreme of arc 21 is arranged in arc 22 and can be slided in arc 22, and the upper end is fixed under casing 2 on the terminal surface.

In order to realize the sliding of the hollow round tube 5 in the transverse groove 12. The opening of the upper end of the transverse groove 12 is provided with a first sliding block 23, the opening of the transverse groove 12 is provided with a first sliding groove 24 matched with the first sliding block 23, and the lower end of the hollow circular tube 5 penetrates through the first sliding block 23 and is connected with the first sliding block 23 in a rotating mode.

In order to realize more accurate resetting of the camera 4, a polish rod 25 which can only move up and down along the axis of the friction wheel 13 and cannot rotate relative to the friction wheel 13 is coaxially inserted at the lower end of the friction wheel 13, a second slide block 26 with a cross section in an isosceles trapezoid shape with a large upper part and a small lower part is fixed at the lower end of the polish rod 25, a second pressure spring 27 with one end fixed on the second slide block 26 and the other end fixed on the lower end face of the friction wheel 13 is sleeved on the polish rod 25, a second sliding chute 28 which is arranged along the length direction of the bottom of the transverse chute 12 and is matched with the second slide block 26 is arranged at the bottom of the transverse chute 12, and the cross section of the second sliding chute is.

In order to realize the upward pop-up trend of the pins 6, the left side and the right side of the camera 4 are respectively provided with a fixed pipe 29, the pins 6 are inserted into the fixed pipes 29, a stop block 30 is arranged below each pin 6, a third pressure spring 31 is arranged between each stop block 30 and each pin 6, one end of each third pressure spring 31 is fixed on each stop block 30, the other end of each third pressure spring 31 is fixed at the bottom of each pin 6, and two end parts of each first rope 8 penetrate through the corresponding side stop blocks 30 respectively and penetrate through the third pressure springs 31 to be fixedly connected with the bottoms of the pins 6.

In order to realize that the camera 4 moves more concealably, an inductive contact switch 32 for controlling the stepping motor to be opened is arranged in the arc-shaped groove 22, and a time delay device is electrically connected to the inductive contact switch 32.

In order to realize that the camera 4 is convenient to move out of the shell 2, a channel which is convenient for the hollow circular tube 5 to move is arranged in the middle of the lower end surface, and the channel is of a fan-shaped structure with a large opening at the outer end and a small opening at the inner end.

In order to realize that the second rope 10 does not hinder the rotation of the hollow circular tube 5, a fan-shaped through groove matched with the second rope 10 to swing is formed in the outer circle of the lower end of the hollow circular tube 5, and a channel matched and communicated with the fan-shaped through groove is formed in the first sliding block 23.

The specific working process of the invention is as follows: the device passes through bolt fastening with box 16 on the wall body when using, camera 4 is arranged in casing 2 under the initial form, camera 4 and casing 2 all are towards the right-hand member this moment, first rope 8 and second rope 10 all are in the state of relaxing simultaneously, realize pin 6 upper end under the reset action of third pressure spring 31 this moment and arrange in position sleeve 7 in, realize casing 2 and camera 4's fixed connection through pin 6 and position sleeve 7, arrange second spout 28 in with this second slider 26 in, second pressure spring 27 is in the state of relaxing, step motor has set up rotation mode in advance and has corotation under the initial state promptly, the true commentaries on classics is independently reversal after accomplishing.

When a criminal tries to perform criminal activities, the criminal twists the camera back and forth according to the position of the criminal, and the principle of forward or backward twisting is the same, so the specific implementation process is described by taking the backward twisting as an example, the criminal pushes the head of the shell 2 to apply force backward, the force application process can realize that the edge of the second sliding block 26 contacts with the edge of the second sliding groove 28, it is worth noting that the edge of the second sliding block 26 adopts arc transition, because the criminal continuously applies force to realize that the second sliding block 26 moves upward under the extrusion of the groove wall of the second sliding groove 28, in the process, the second sliding block 26 drives the polish rod 25 to move upward and simultaneously extrudes the second compression spring 27, the criminal has the rebound tendency and elastic potential energy, finally, the bottom of the second sliding block 26 is arranged at the outer side of the second sliding groove 28, and simultaneously the criminal twists the shell 2 and simultaneously drives the camera 4 to move synchronously, at this moment, the induction contact switch 32 in the arc-shaped groove 22 is electrified, the stepping motor has a rotation trend, and due to the fact that the stepping motor is connected with the delayer, when a criminal leaves the camera 4 after the criminal turns back to separate from the criminal area, the criminal leaves the criminal, and the delayer provides time for the criminal to leave.

When a criminal leaves, the stepping motor starts to rotate, the rotation of the stepping motor drives the winding wheel 9 to rotate, the winding wheel 9 rotates to tighten the second rope 10, the second rope 10 tightens and pulls the first rope 8 to tighten the first rope 8, the first rope 8 tightens to enable the two pins 6 to move downwards and gradually separate from the positioning sleeve 7, the third pressure spring 31 is compressed in the process and enables the third pressure spring to have rebound tendency and elastic potential energy, after the pins 6 separate from the positioning sleeve 7, the shell 2 and the camera 4 are separated from a fixed connection state, at the moment, along with the continuous tightening of the second rope 10, the second rope 10 gradually drives the first sliding block 23 to move leftwards along the first sliding groove 24, at the moment, the hollow circular tube 5 drives the camera 4 to gradually approach the shell door 3 on the rear side and enables the shell door 3 to be opened through extrusion contact, the first driving switch 19 touching the electric push rod 17 on the rear side is electrified in the opening process of the shell door 3 on the rear side, the first electric push rod 17 extrudes the piston cylinder 18, gas in the piston cylinder 18 enters the cylinder 14, the rear side friction plate 15 extends out of the cylinder 14, the tightening of the second rope 10 enables the hollow circular tube 5 and the friction wheel 13 at the lower end of the hollow circular tube to move leftwards, the first pressure spring 11 is extruded and enables the hollow circular tube 5 and the friction wheel 13 at the lower end of the hollow circular tube to have rebound tendency and elastic potential energy in the process, meanwhile, the friction wheel 13 is enabled to be connected with the friction plate 15 extending out of the rear side, the friction wheel 13 moves leftwards to be in contact with the friction plate 15, the friction wheel 13 has reversal tendency in the leftward movement process, the friction wheel 13 rotates to drive the camera 4 to reverse and reset through the hollow tube, meanwhile, the second slide block 26 is driven to reverse, when the second slide block 26 reverses to be parallel to the second slide groove 28, the second slide block 26 is enabled to be placed in the second slide groove 28 again under the action of the second pressure spring 27, at the, at the moment, the friction wheel 13 rubs the friction plate 15 when moving leftwards again, the friction wheel 13 does not rotate, the first sliding block 23 gradually contacts the second driving switch 20 along with the forward rotation of the stepping motor, the piston cylinder 18 sucks back the gas in the air cylinder 14 under the reset action of the electric push rod 17, the friction plate 15 resets, the stepping motor starts to rotate reversely at the moment, the second rope 10 is loosened in the process of rotating reversely of the stepping motor, the reset of the camera 4 is realized under the reset action of the first pressure spring 11, the stepping motor stops moving after the lens of the camera is abutted against the front side shell door 3, and at the moment, the camera 4 can clearly monitor the crime scene of a criminal through the shell door 3 made of a steel mesh.

Compared with the traditional equipment, the device has the following advantages:

1. this device designs according to criminal offence process, twist reverse the back at criminal offender camera 4, the criminal mental will relax, leave camera 4 in the casing 2 behind camera 4 and leave casing 2 under step motor's drive, and reset to initial angle under the dual function of the drive effect of friction wheel 13 and friction plate 15 and the location of second spout 28 and second slider 26 after leaving casing 2, and reset in under the reset effect of first pressure spring 11 and can within, the casing door 3 through the steel mesh structure lasts the control, can effectually prevent that camera 4 from losing the monitoring effect after being twisted.

2. Camera 4 generally arranges the eminence in, camera 4's head generally will be less than the afterbody, the criminal patient is usually that the high hand of lifting or use tool twists reverse camera 4, the casing door 3 after the torsion is in the expansion back, casing 2 itself can cover casing door 3, in time the criminal looks at camera 4 once more, also can't observe the change that casing 2 made in camera 4's front, make this device camouflage effect better, and can effectually avoid the criminal to discover that camera 4 changes and then carry out the secondary destruction.

3. This device is through setting up the delay timer between step motor and response contact switch 32, more abundant disguise this camera 4, the criminal can do a short time stop destroying camera 4 under the general condition, give the criminal enough long time in order to guarantee that the criminal can leave camera 4 and go to crime under the cooperation of delay timer this moment, thereby camera 4 is changing the realization control that resets this moment, make this device theftproof and disguise the effect better.

Claims

1. The anti-theft camera with the reset function comprises a supporting plate (1) and is characterized in that a shell (2) capable of rotating in the plane of the supporting plate is arranged above the supporting plate (1) in parallel at intervals, the front side and the rear side of the shell (2) are in an open shape, the front side and the rear side of the shell (2) are respectively hinged with a shell door (3) which is made of a steel mesh and can be upwards turned to be parallel to the supporting plate (1), a camera (4) with an axis parallel to the supporting plate (1) is arranged in the shell (2), a hollow round pipe (5) is vertically arranged on the lower end face of the camera (4), a pin (6) with an upwards popping trend is respectively arranged on the front side and the rear side of the camera (4) in a sliding mode, a positioning sleeve (7) matched with the pin (6) is arranged on the top face of the shell (2), the lower ends of the two pins (6) are connected through a first rope (8), a winding wheel (9) driven by a stepping motor is arranged at the left end of the support plate (1), a second rope (10) is wound and fixed on the winding wheel (9), the outer end of the second rope (10) penetrates into the hollow circular tube (5) from the outer circular surface of the hollow circular tube (5) and is connected with the middle position of the first rope (8), a first pressure spring (11) sleeved on the second rope (10) is arranged between the winding wheel (9) and the hollow circular tube (5), a transverse groove (12) arranged along the length direction of the support plate (1) is arranged on the upper end plate surface of the support plate, the lower end of the hollow circular tube (5) is arranged in the through groove and can slide along the transverse groove (12), a friction wheel (13) is coaxially fixed at the lower end of the hollow circular tube (5), a cylinder (14) with an opening facing the transverse groove (12) is respectively arranged on the front side wall and the rear side wall of the transverse groove (12), a friction plate (15) capable of being matched with the friction wheel (13) is slidably arranged, after the single-side shell door (3) is opened, the friction plate (15) corresponding to the single-side shell door moves towards the direction of the transverse groove (12) and can be contacted with the friction wheel (13), and the friction plate (15) resets after the friction wheel (13) moves to the end of the friction plate (15);

the lower end face of the shell (2) is provided with an arc-shaped plate (21) which is coaxial with the hollow circular tube (5) and is arranged at an interval, the right end of the supporting plate (1) is provided with an arc-shaped groove (22) which can enable the arc-shaped plate (21) and the hollow circular tube (5) to synchronously rotate, the lower end of the arc-shaped plate (21) is arranged in the arc-shaped groove (22) and can slide in the arc-shaped groove (22), and the upper end of the arc-shaped plate is fixed on the lower end face of the shell (; the lower end of the friction wheel (13) is coaxially inserted with a polish rod (25) which can only move up and down along the axis of the friction wheel (13) and cannot rotate relative to the friction wheel (13), the lower end of the polish rod (25) is fixedly provided with a second slide block (26) with an isosceles trapezoid-shaped section, the upper part of the isosceles trapezoid-shaped section of the second slide block is larger than the lower part of the isosceles trapezoid-shaped section of the friction wheel (13), the polish rod (25) is sleeved with a second pressure spring (27) with one end fixed on the second slide block (26) and the other end fixed on the lower end face of the friction wheel (13), the bottom of the transverse groove (12) is provided with a second sliding groove (28) which is arranged along the length direction of the transverse groove; an induction contact switch (32) for controlling the opening of the stepping motor is arranged in the arc-shaped groove (22), and the induction contact switch (32) is electrically connected with a time delay.

2. The anti-theft camera with the reset function according to claim 1, characterized in that a box body (16) is arranged at the left end of the support plate (1), the winding wheel (9) is arranged in the box body (16), the outer end of the second rope (10) penetrates out of the box body (16), the first pressure spring (11) is sleeved on the second rope (10) between the box body (16) and the hollow circular tube (5), piston cylinders (18) driven by the electric push rods (17) are respectively arranged at the front side and the rear side of the winding wheel (9), the piston cylinders (18) are connected with the corresponding side cylinders (14) through pipelines, a first drive switch (19) of the corresponding side electric push rod (17) is arranged on the housing door (3), and a second drive switch (20) capable of driving the electric push rod (17) to reset is arranged on the left end face of the transverse groove (12).

3. The anti-theft camera with the reset function according to claim 1, wherein a first sliding block (23) is arranged at an opening at the upper end of the transverse groove (12), a first sliding groove (24) matched with the first sliding block (23) is arranged at the opening of the transverse groove (12), and the lower end of the hollow circular tube (5) penetrates through the first sliding block (23) and is rotatably connected with the first sliding block (23).

4. The anti-theft camera with the reset function according to claim 1, wherein a fixed pipe (29) is respectively arranged on the left side and the right side of the camera (4), the pins (6) are inserted into the fixed pipes (29), a stop block (30) is arranged below each pin (6), a third pressure spring (31) is arranged between the stop block (30) and the pin (6), one end of the third pressure spring (31) is fixed on the stop block (30), the other end of the third pressure spring is fixed at the bottom of the pin (6), and two end parts of the first rope (8) respectively penetrate through the corresponding side stop block (30) and fixedly connected with the bottom of the pin (6) through the third pressure spring (31).

5. The anti-theft camera with the resetting function according to claim 1, wherein a passage facilitating movement of the hollow circular tube (5) is arranged in the middle of the lower end surface of the housing (2), and the passage is of a fan-like structure with a large opening at the outer end and a small opening at the inner end.

6. The anti-theft camera with the resetting function according to claim 1, wherein the outer circle of the lower end of the hollow circular tube (5) is provided with a fan-shaped through groove matched with the second rope (10) to swing, and the first sliding block (23) is provided with a channel matched and communicated with the fan-shaped through groove.