CN111473214B

CN111473214B - Anti-terrorism investigation ball

Info

Publication number: CN111473214B
Application number: CN202010323945.2A
Authority: CN
Inventors: 余润斌
Original assignee: Jove Video Communication Ltd
Current assignee: Jove Video Communication Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-04-02
Anticipated expiration: 2040-04-22
Also published as: CN111473214A

Abstract

The invention relates to an anti-terrorism investigation ball which comprises an outer ball body, an inner ball body, a camera mechanism and a balancing weight, wherein the inner ball body rotates in an inner cavity of the outer ball body, the camera mechanism is arranged in the inner ball body, the balancing weight is used for keeping a shooting position of the camera mechanism horizontal, a gap is reserved between the outer wall of the inner ball body and the inner wall of the outer ball body, the balancing weight is positioned at the lower end of the camera mechanism, the outer wall of the outer ball body is connected with at least one supporting leg, one end, far away from the outer ball body, of the supporting leg is abutted. The invention limits the position of the outer sphere by using the support legs, so that the outer sphere can be stably arranged at a certain position, and the detection process of the detection ball is more stable.

Description

Anti-terrorism investigation ball

Technical Field

The invention relates to the technical field of investigation equipment, in particular to an anti-terrorism investigation ball.

Background

With the development of science and technology, robots are used to replace human beings to play an important role in the investigation of unknown environments, but in the face of various obstacles or environments with large slopes, common wheeled and legged robots are difficult to use in such special environments, so that spherical robots attract more and more attention of researchers.

The technical essential of a detection ball type robot based on STM32 that Chinese patent CN206605490U discloses is: including the last ball-type shell that has the STM control panel, upward be equipped with wireless transmitting antenna in the ball-type shell, upward install air bag on the ball-type shell, the downside of going up the ball-type shell is equipped with down the ball-type shell, go up ball-type shell and ball-type shell phase-match down, go up the ball-type shell and connect through the connecting piece down between the ball-type shell, the connecting piece includes connecting rod and electric telescopic handle, upward be equipped with on the ball-type shell and accomodate the groove, the connecting rod is installed in the bottom of accomodating the groove, the one end and the electric telescopic handle fixed connection of connecting rod, the other end and the lower ball-type shell fixed.

Above-mentioned scheme only relies on the shell and the ground contact of ball when using, is the electrical contact between investigation ball and the ground this moment to lead to investigation ball to be difficult to stable the parking in a certain position, lead to at this moment to carry out long-time investigation to a certain position, thereby influence the effect of investigation.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an anti-terrorism investigation ball, which is characterized in that after the investigation ball is arranged at a position to be used, the position of the investigation ball is limited by using a support leg, so that the investigation ball is not easy to move, and the normal work of the investigation ball is not influenced.

The above object of the present invention is achieved by the following technical solutions: the utility model provides an anti-terrorism investigation ball, includes outer spheroid, in outer spheroid inner chamber pivoted interior spheroid, set up in the interior spheroid mechanism of making a video recording and make the shooting position of making a video recording mechanism keep horizontally balancing weight, leave the clearance between interior spheroid outer wall and the outer spheroid inner wall, the balancing weight is located the lower extreme of the mechanism of making a video recording, outer spheroid outer wall connection has an at least stabilizer blade, outer spheroidal one end and ground butt are kept away from to the stabilizer blade, interior spheroid and outer spheroid are transparent material.

Through adopting above-mentioned technical scheme, utilize the stabilizer blade to inject the position of outer spheroid, make outer spheroid place in a position after, the difficult emergence in position of outer spheroid changes to the process that makes the investigation is difficult for receiving the influence.

The present invention in a preferred example may be further configured to: the number of the supporting feet is four, and the supporting feet are adjacent to each other and have one hundred twenty degrees of difference.

By adopting the technical scheme, when the investigation ball is thrown to one position, three support legs are necessarily contacted with the ground simultaneously, and the positioning of the external ball body is more stable.

The present invention in a preferred example may be further configured to: the end face of the support leg close to the outer sphere is provided with an opening.

Through adopting above-mentioned technical scheme, alleviateed the weight of stabilizer blade to reduce the holistic weight of investigation ball, made the carrying and the removal of investigation ball more convenient.

The present invention in a preferred example may be further configured to: the stabilizer blade is kept away from outer spheroidal terminal surface integrated into one piece has the supporting shoe, the diameter of supporting shoe is greater than the diameter of its stabilizer blade of connecting, the supporting shoe is kept away from outer spheroidal terminal surface edge department and is provided with the buffering wedge face that is convex, the one end that supporting shoe axis was kept away from to the buffering wedge face is towards outside spheroid direction slope.

By adopting the technical scheme, under the condition that the length of the supporting legs is not increased, the distance between the lower end of the outer ball body and the ground is increased by utilizing the supporting block, and when the investigation ball is thrown to a certain position, the outer ball body is not easy to contact with the ground, so that the outer ball body is not easy to damage.

The present invention in a preferred example may be further configured to: and a plurality of reinforcing ribs are fixed on the outer wall of the support leg in the circumferential direction, and the end face, close to the outer ball body, of the support block is fixed with the reinforcing ribs.

Through adopting above-mentioned technical scheme, utilize the strengthening rib to increase the intensity of stabilizer blade, make the stabilizer blade be difficult for producing deformation by a wide margin to make outer spheroid be difficult for more and ground contact.

The present invention in a preferred example may be further configured to: the outer spheroid runs through have a plurality of connecting holes with the coaxial setting of stabilizer blade, be provided with the ball module in the connecting hole, ball module and interior spheroid outer wall butt, threaded connection is in the connecting hole respectively to the stabilizer blade, the stabilizer blade is close to spheroidal one end of outer and keeps away from interior spheroidal one end butt with the ball module.

Through adopting above-mentioned technical scheme, utilize the ball module to reduce the frictional force between interior spheroid and the outer spheroid, it is more convenient to make interior spheroidal rotation process.

The present invention in a preferred example may be further configured to: camera mechanism is including being fixed in the interior installation shell of spheroid, being used for two at least wide-angle cameras of shooting and the battery for the wide-angle camera power supply, the orientation that wide-angle camera was fixed in installation shell and two wide-angle cameras is opposite, wide-angle camera is wireless camera, battery and balancing weight all set up in the one side that wide-angle camera was kept away from to the installation shell, battery and balancing weight are located one side of spheroidal centre of sphere, one side of balancing weight is kept away from to spheroidal centre of sphere in the wide-angle camera was located.

Through adopting above-mentioned technical scheme, utilize the balancing weight to adjust the back to the position of internal spheroid, wide angle camera all is located the upper end, and the process of investigation ball investigation this moment is difficult for receiving the influence.

The present invention in a preferred example may be further configured to: outer spheroid includes two identical outer hemispheres, two can dismantle the connection between the outer hemisphere, interior spheroid includes hemisphere in first interior hemisphere and the second of identical, balancing weight, battery and wide-angle camera all are fixed in the hemisphere in the first, interior spheroid is connected with a plurality of coupling mechanism who connects hemisphere and second in the first, coupling mechanism is including being fixed in the fixed block of installation shell and connecting in the sliding block of first interior hemisphere inner wall, works as during hemisphere butt in first interior hemisphere and the second, the terminal surface butt of first interior hemisphere is kept away from with the sliding block to the terminal surface that the fixed block is close to first interior hemisphere.

Through adopting above-mentioned technical scheme, directly be connected first interior hemisphere and second interior hemisphere when directly with both antiport, spheroid installation is more convenient this moment.

The present invention in a preferred example may be further configured to: the fixed block is close to the terminal surface of first interior hemisphere and has seted up the spacing groove, the terminal surface that the mounting shell was kept away from to the fixed block in the spacing groove runs through, the sliding block is close to the terminal surface integrated into one piece of first interior hemisphere has a spacing piece, two edges departments that stopper upper end and mounting shell are connected all are provided with and are convex spacing wedge face, the stopper joint is in the spacing inslot.

Through adopting above-mentioned technical scheme, utilize the cooperation of stopper and spacing groove to restrict the antiport of first interior hemisphere and second interior hemisphere, make first interior hemisphere and second interior hemisphere be difficult for producing and break away from.

The present invention in a preferred example may be further configured to: the interior spheroid internal connection has the charging coil, the battery is wireless chargeable call.

Through adopting above-mentioned technical scheme, no longer need take out the battery from the internal sphere when charging the battery to make the charging process of battery more convenient.

In summary, the invention has the following beneficial technical effects:

1. the position of the outer sphere is limited by the support legs, so that the outer sphere can be stably arranged at a certain position, and the detection process of the detection ball is more stable;

2. the overall position of the detection ball is lifted by arranging the supporting block, so that the outer ball body is not easy to directly collide with the ground under the condition of not increasing the length of the supporting legs, and the outer ball body is not easy to damage;

3. through setting up the contained angle between the stabilizer blade to one hundred twenty degrees, when moving investigation ball to a certain position this moment, must have three stabilizer blades and ground butt to make the location of investigation ball more stable.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a schematic diagram of the present embodiment for showing the internal structure of the outer sphere;

FIG. 3 is a schematic view illustrating a connection structure of the ball module and the stand bar according to the present embodiment;

fig. 4 is a schematic diagram illustrating a connection structure of the first inner hemisphere and the second inner hemisphere in the embodiment.

In the figure, 1, an outer sphere; 11. an outer hemisphere; 12. connecting holes; 13. an extension pipe; 2. an inner sphere; 21. a first inner hemisphere; 22. a second inner hemisphere; 3. a camera mechanism; 31. mounting a shell; 32. a wide-angle camera; 33. a battery; 34. a charging coil; 4. a balancing weight; 5. a support leg; 51. a yielding groove; 52. a support block; 521. buffering the wedge-shaped surface; 53. reinforcing ribs; 6. a ball module; 61. a base; 611. a sliding groove; 62. a ball; 63. a spring; 7. a connecting mechanism; 71. a fixed block; 711. a limiting groove; 72. a slider; 73. a first extension block; 74. a second extension block; 75. a limiting block; 751. and a limiting wedge-shaped surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The anti-terrorism investigation ball disclosed by the invention can be stably placed at a position to be detected during investigation, and cannot move, so that the investigation process is not easily influenced. As shown in fig. 1, the device comprises an outer sphere 1 disposed in a hollow manner, an inner sphere 2 disposed in an inner cavity of the outer sphere 1 and disposed in a hollow manner, a camera 3 disposed inside the inner sphere 2, and a weight block 4 for keeping the camera 3 stable at one position. The outer sphere 1 comprises two identical outer hemispheres 11, the two outer hemispheres 11 are detachably connected, the two outer hemispheres 11 are connected through bolts in the embodiment, and the two outer hemispheres 11 are not easily separated in the moving process. As shown in fig. 2, interior spheroid 2 is including dismantling the first interior hemisphere 21 and the second interior hemisphere 22 of connection, mechanism 3 and balancing weight 4 of making a video recording all set up in 2 inner chambers of interior spheroid, and mechanism 3 and balancing weight 4 of making a video recording are located the both sides of the centre of sphere of interior spheroid 2 respectively, the weight of balancing weight 4 is greater than the weight of mechanism 3 of making a video recording, leave the clearance between 2 outer walls of interior spheroid and the 1 inner wall of outer spheroid, utilize balancing weight 4 to make mechanism 3 of making a video recording keep being located the upper end of interior hemisphere this moment, the shooting position of camera is difficult for receiving the influence this moment.

As shown in fig. 2 and 3, the outer wall of the outer sphere 1 is detachably connected with four identical support legs 5, the difference between the adjacent support legs 5 is one hundred twenty degrees, the three support legs 5 are connected with one outer hemisphere 11, the other support leg 5 is connected with the other outer hemisphere 1, the distance between the joint of the three support legs 5 connected with the same outer hemisphere 11 and the end surface of the outer hemisphere 11 is equal, the support legs 5 are made of thermoplastic polyurethane elastomer rubber, the position of the investigation ball is limited by the support legs 5 at the moment, so that the investigation ball cannot move in the working process, and meanwhile, when the investigation ball is thrown to a certain position, the support legs 5 can buffer the investigation ball to a certain extent, and the influence on the camera shooting mechanism 3 is reduced. Outer spheroid 1 all runs through the connecting hole 12 rather than the inner chamber intercommunication with the junction of stabilizer blade 5, the axis of connecting hole 12 all passes outer spheroid 1's centre of sphere, 1 outer wall integrated into one piece of outer spheroid has four extension pipes 13, the axis of extension pipe 13 coincides with the axis of connecting hole 12 respectively, and the internal diameter of extension pipe 13 is greater than the internal diameter of connecting hole 12, stabilizer blade 5 is threaded connection in extension pipe 13 respectively, no matter what state all has three stabilizer blades 5 and ground butt this moment, the position that makes the investigation ball is injectd.

As shown in fig. 3, the ball modules 6 supporting the inner ball 2 are connected to the extension pipe 13, and each of the ball modules 6 includes a base 61 disposed in the extension pipe 13, a ball 62 disposed in the base 61, and a spring 63 urging the ball 62 to move toward the center of the inner ball 2. The end surface of the base 61 close to the inner sphere 2 is provided with a sliding groove 611 coaxially arranged with the extension pipe 13, the spring 63 and the ball 62 are both arranged in the sliding groove 611, the side wall of the ball 62 is abutted against the inner wall of the sliding groove 611, and the diameter of the opening of the sliding groove 611 is slightly smaller than that of the ball 62. One end of the spring 63 abuts against the end surface of the sliding groove 611 away from the inner ball 2, the other end of the spring 63 abuts against the end of the ball 62 inserted into the sliding groove 611, and the end of the ball 62 away from the spring 63 abuts against the outer wall of the inner ball 2. Utilize ball module 6 to reduce the area of contact between interior spheroid 2 and the outer spheroid 1 to reduce the frictional force between interior spheroid 2 and the outer spheroid 1, make the rotation of interior spheroid 2 more convenient.

As shown in fig. 3, the supporting leg 5 is provided with an opening at one end, the opening faces the outer sphere 1, the end surface of the outer sphere 1 of the supporting leg 5 is provided with a yielding groove 51 communicated with the inner cavity of the outer sphere 1, one end of the base 61 far away from the ball 62 is inserted into the yielding groove 51, and the end surface of the base 61 far away from the ball 62 is abutted to the bottom surface of the yielding groove 51. The support legs 5 are arranged in an opening, so that the weight of the support legs 5 is reduced, the overall weight of the investigation ball is reduced, and the process of throwing the investigation ball to a certain position is more convenient.

As shown in fig. 2, since the length of the leg 5 is not too long, and it is also necessary to prevent the outer sphere 1 from directly contacting the ground, the end surface of the leg 5 away from the outer sphere 1 is coaxially and integrally formed with a support block 52, and the diameter of the support block 52 is larger than that of the leg 5. The edge of the end surface of the support block 52 far away from the leg 5 is provided with a circular arc-shaped buffering wedge-shaped surface 521, and one end of the buffering wedge-shaped surface 521 far away from the axis of the support block 52 inclines towards the direction of the outer sphere 1. The supporting block 52 is utilized to increase the distance between the outer sphere 1 and the ground, so that the outer sphere 1 is not easy to contact with the ground, and the length of the supporting leg 5 is not too long, so that the carrying process of the investigation ball is more convenient.

As shown in fig. 2, when the detection ball is thrown to a position to be detected, the support block 52 is greatly deformed by impact when falling to the ground, which causes the outer ball body 1 to contact the ground. Therefore, four reinforcing ribs 53 are integrally formed on the outer wall of the supporting leg 5 in the circumferential direction, and the reinforcing ribs 53 and the end face of the supporting block 52 close to the outer ball 1 are integrally formed. At this time, the shapes of the legs 5 and the support blocks 52 are limited by the reinforcing ribs 53, so that the legs 5 and the support blocks 52 are not greatly deformed when being stressed, and the outer sphere 1 is not directly contacted with the ground when falling to the ground, so that the outer sphere 1 is not easily damaged.

As shown in fig. 2, the imaging mechanism 3 includes a mounting case 31 fixed in the first inner hemisphere 21 using bolts, two wide-angle cameras 32 for taking a picture, and a battery 33 for supplying power to the wide-angle cameras 32. Wide-angle camera 32 is wireless camera, and it uses the bolt fastening to install shell 31 respectively, and two wide-angle cameras 32's orientation is opposite, and install shell 31 and still install the switch that opens and stop wide-angle camera 32. The battery 33 and the weight block 4 are disposed on one side of the mounting shell 31 far from the wide-angle camera 32, the battery 33 is disposed on one side of the weight block 4 far from the mounting shell 31, the battery 33 abuts against the inner wall of the first inner hemisphere 21 far from the side wall of the center of sphere, and the mounting position of the weight block 4 and the battery 33 is limited by the mounting shell 31. Balancing weight 4 and battery 33 all are located the inner chamber of first inner hemisphere 21, and it all is located one side of the centre of sphere of first inner hemisphere 21, and two wide-angle cameras 32 all are located one side that balancing weight 4 was kept away from to the centre of sphere of first inner hemisphere 21. Utilize balancing weight 4 to inject the position of interior spheroid 2 this moment, make wide angle camera 32 can be in the upper end always to the shooting effect that makes the investigation ball is difficult for receiving the influence.

As shown in fig. 4, in order to facilitate the detachment and connection of the first inner hemisphere 21 and the second inner hemisphere 22, the inner sphere 2 is circumferentially connected with four connecting mechanisms 7 connecting the first inner hemisphere 21 and the second inner hemisphere 22, each connecting mechanism 7 includes a fixed block 71 integrally formed on the mounting shell 31 and a sliding block 72 integrally formed inside the first inner hemisphere 21, when the end surfaces of the first inner hemisphere 21 and the second inner hemisphere 22 are abutted, the end surface of the fixed block 71 close to the first inner hemisphere 21 and the end surface of the sliding block 72 far away from the first inner hemisphere 21 are abutted, at this time, when the inner sphere 2 is to be spliced, the first inner hemisphere 21 and the second inner hemisphere 22 are abutted and then reversely rotated, so that the fixed block 71 and the sliding block 72 are contacted, and the inner sphere 2 is connected.

As shown in fig. 4, a first extending block 73 is fixedly connected to one end surface of the fixed block 71, the first extending block 73 extends toward the first inner hemisphere 21, a second extending block 74 is fixed to an end surface of the first extending block 73 away from the fixed block 71, and the second extending block extends toward a direction away from the fixed block 71. Spacing groove 711 has been seted up to the fixed block 71 near the terminal surface of first interior hemisphere 21, and spacing groove 711 runs through the terminal surface that the installation shell 31 was kept away from to fixed block 71, and slider 72 keeps away from second interior hemisphere 22 open-ended terminal surface integrated into one piece and has a stopper 75, and two edges department that the terminal surface of slider 72 was kept away from to stopper 75 all are provided with and are convex spacing wedge surface 751, and stopper 75 joint is in spacing groove 711, and slider 72 and first extension piece 73 butt. After the inner ball body 2 is assembled, the relative rotation of the first inner hemisphere 21 and the second inner hemisphere 22 is limited by the cooperation of the limiting block 75 and the limiting groove 711, so that the connection of the inner ball body 2 is more stable, and the connection rotation angle of the first inner hemisphere 21 and the second inner hemisphere 22 is limited by the first extending block 73, so that the rotation range of the first inner hemisphere 21 and the second inner hemisphere 22 is not excessive, and the limiting block 75 is not separated from the limiting groove 711.

In order to make the charging of battery 33 more convenient, 2 inner walls of first interior spheroid are provided with charging coil 34, and battery 33 is wireless chargeable battery, and charging coil 34 is connected with battery 33, charges battery 33 through wireless charging technique, no longer need dismantle battery 33 when charging this moment to it is more convenient to make the charging process of investigation ball.

The implementation principle of the embodiment is as follows: start switch when needs use, with first interior spheroid 2 and second interior spheroid 2 reversal rotation after butt, make stopper 75 joint in spacing groove 711, later place the interior spheroid 2 that the amalgamation was accomplished in outer hemisphere 11, use the bolt amalgamation to outer hemisphere 11 as outer spheroid 1. At the moment, the investigation ball is thrown to the position to be investigated, at the moment, the three support legs 5 are in contact with the ground, so that the position of the investigation ball is determined, then the inner ball body 2 is driven by the balancing weight 4 to rotate, the balancing weight 4 rotates to the lower part of the center of the inner ball body 2, and at the moment, the camera shooting mechanism 3 is positioned at the upper end of the center of the inner ball body 2 to carry out normal shooting.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. An anti-terrorist investigation ball which is characterized in that: the novel camera shooting device comprises an outer sphere (1), an inner sphere (2) rotating in the inner cavity of the outer sphere (1), a camera shooting mechanism (3) arranged in the inner sphere (2) and a balancing weight (4) enabling the shooting position of the camera shooting mechanism (3) to be kept horizontal, wherein a gap is reserved between the outer wall of the inner sphere (2) and the inner wall of the outer sphere (1), the balancing weight (4) is located at the lower end of the camera shooting mechanism (3), the outer wall of the outer sphere (1) is connected with four support legs (5), one ends, far away from the outer sphere (1), of the support legs (5) are abutted to the ground, the inner sphere (2) and the outer sphere (1) are made of transparent materials, and the difference between every two adjacent support legs (5) is one hundred; the terminal surface integrated into one piece that outer spheroid (1) was kept away from in stabilizer blade (5) has supporting shoe (52), the diameter of supporting shoe (52) is greater than the diameter of its connected stabilizer blade (5), the terminal surface edge department that outer spheroid (1) was kept away from in supporting shoe (52) is provided with and is convex buffering wedge face (521), the one end that supporting shoe (52) axis was kept away from in buffering wedge face (521) is towards outer spheroid (1) direction slope.

2. An anti-terrorist ball as defined in claim 1, wherein: the end face of the support leg (5) close to the outer sphere (1) is provided with an opening.

3. An anti-terrorist ball as defined in claim 1, wherein: a plurality of reinforcing ribs (53) are fixed on the outer wall of the supporting leg (5) in the circumferential direction, and the end face, close to the outer sphere (1), of the supporting block (52) is fixed with the reinforcing ribs (53).

4. An anti-terrorist ball as defined in claim 1, wherein: outer spheroid (1) runs through have a plurality of connecting holes (12) with the coaxial setting of stabilizer blade (5), be provided with ball module (6) in connecting hole (12), ball module (6) and interior spheroid (2) outer wall butt, stabilizer blade (5) threaded connection respectively is in connecting hole (12), stabilizer blade (5) are close to the one end of outer spheroid (1) and ball module (6) and keep away from the one end butt of interior spheroid (2).

5. An anti-terrorist ball as defined in claim 1, wherein: camera mechanism (3) including be fixed in installation shell (31) in interior spheroid (2), be used for two at least wide-angle camera (32) of shooting and battery (33) for wide-angle camera (32) power supply, wide-angle camera (32) are fixed in the orientation of installation shell (31) and two wide-angle camera (32) opposite, wide-angle camera (32) are wireless camera, battery (33) and balancing weight (4) all set up in one side of keeping away from wide-angle camera (32) in installation shell (31), one side of the centre of sphere of spheroid (2) is located in battery (33) and balancing weight (4), one side of balancing weight (4) is kept away from to the centre of sphere of spheroid (2) is located in wide-angle camera (32).

6. An anti-terrorist ball as defined in claim 1, wherein: the outer sphere (1) comprises two identical outer hemispheres (11), the two outer hemispheres (11) are detachably connected, the inner sphere (2) comprises a first inner hemisphere (21) and a second inner hemisphere (22) which are completely identical, the balancing weight (4), the battery (33) and the wide-angle camera (32) are all fixed in the first inner hemisphere (21), the inner sphere (2) is connected with a plurality of connecting mechanisms (7) which connect the first inner hemisphere (21) and the second inner hemisphere (22), the connecting mechanism (7) comprises a fixed block (71) fixed on the mounting shell (31) and a sliding block (72) connected with the inner wall of the first inner hemisphere (21), when the first inner hemisphere (21) and the second inner hemisphere (22) are abutted, the end face, close to the first inner hemisphere (21), of the fixed block (71) is abutted with the end face, far away from the first inner hemisphere (21), of the sliding block (72).

7. The anti-terrorist spy ball of claim 6, further comprising: spacing groove (711) have been seted up to fixed block (71) terminal surface that is close to first interior hemisphere (21), the terminal surface that installation shell (31) were kept away from to spacing groove (711), sliding block (72) are close to the terminal surface integrated into one piece of first interior hemisphere (21) has stopper (75), two edges departments that stopper (75) upper end and installation shell (31) are connected all are provided with and are convex spacing wedge face (751), stopper (75) joint is in spacing groove (711).

8. The anti-terrorist spy ball of claim 6, further comprising: the inner sphere (2) is internally connected with a charging coil (34), and the battery (33) is a wireless rechargeable battery.