CN113374992B

CN113374992B - Sphere mounting structure and spherical camera

Info

Publication number: CN113374992B
Application number: CN202010161458.0A
Authority: CN
Inventors: 崔高尚; 高伟
Original assignee: Zhejiang Uniview Technologies Co Ltd
Current assignee: Zhejiang Uniview Technologies Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2023-06-09
Anticipated expiration: 2040-03-10
Also published as: CN113374992A

Abstract

The invention relates to the technical field of cameras, and particularly discloses a sphere mounting structure and a spherical camera. The frame body comprises a bracket top; the side ears comprise fixed side ears and movable side ears, the fixed side ears and the movable side ears are respectively connected to two ends of the support top, the fixed side ears are fixedly connected with the support top, the movable side ears are detachably connected with the support top, the fixed side ears, the support top and the movable side ears enclose an accommodating groove, and the fixed side ears, the support top and the movable side ears are sequentially connected to form a U-shaped structure; the ball body is rotatably connected to the accommodating groove. According to the ball mounting structure, the movable side lugs are detachably connected with the frame body, so that the ball can be mounted in the accommodating groove, wires in the ball can be conveniently penetrated out and then connected to other parts, and the fixed side lugs are fixedly connected with the top of the bracket, so that the design difficulty and the dismounting difficulty of the ball-type camera are reduced.

Description

Sphere mounting structure and spherical camera

Technical Field

The invention relates to the technical field of cameras, in particular to a sphere mounting structure and a spherical camera.

Background

The spherical camera is the most common form of the camera for monitoring, comprises a bracket and a sphere rotationally connected to the bracket, and compared with other types of cameras for monitoring, the sphere can rotate around a horizontal shaft, so that image acquisition at different positions can be completed, and meanwhile, the spherical camera has the advantages of multidirectional monitoring, wide visual field and the like, so that the spherical camera is wide in application range and large in market demand. Because the spherical camera can realize scene shooting only by matching with the rotation of the sphere, the spherical camera has more parts, larger design difficulty and relatively complex assembly process. In order to facilitate the installation of the ball body and facilitate the connection of the ball body after the wire in the ball body is penetrated out to other parts, two detachable side ear structures are generally arranged on the support, and therefore the structural design difficulty and the disassembly and assembly difficulty of the ball-type camera are further increased.

Disclosure of Invention

An object of the present invention is to provide a ball mounting structure, so as to reduce the difficulty of structural design and disassembly.

To achieve the purpose, the invention adopts the following technical scheme:

a ball mounting structure comprising:

the frame body comprises a bracket top;

the side ears comprise fixed side ears and movable side ears, the fixed side ears and the movable side ears are respectively connected to two ends of the support top, the fixed side ears are fixedly connected with the support top, the movable side ears are detachably connected with the support top, the fixed side ears, the support top and the movable side ears enclose a containing groove, and the fixed side ears, the support top and the movable side ears are sequentially connected to form a U-shaped structure;

the ball body is rotatably connected with the accommodating groove.

Preferably, a containing cavity is formed in the ball body, a driving piece is fixedly arranged in the containing cavity, and an output shaft of the driving piece penetrates through the cavity wall of the containing cavity and is connected with one of the fixed side lugs and the movable side lugs so as to drive the ball body to rotate around the output shaft.

Preferably, the ball mounting structure further comprises a vertical rotating shaft, and the ball is rotatably connected with the other one of the fixed side ear and the movable side ear through the vertical rotating shaft.

Preferably, the side lugs connected with the vertical rotating shaft are provided with cable guiding structures.

Preferably, the cable guiding structure comprises a cable guiding groove, the cable guiding groove is communicated with the hollow structure of the vertical rotating shaft, and the groove bottom of the cable guiding groove is arranged in an upward inclined manner from one end close to the vertical rotating shaft to one end far away from the vertical rotating shaft.

Preferably, the ball body is provided with a through hole, the vertical rotating shaft penetrates through the through hole and can rotate along the inner periphery of the through hole, and the vertical rotating shaft is of a hollow structure.

Preferably, a rotating shaft waterproof ring is arranged between the through hole and the vertical rotating shaft.

Preferably, the through hole is far away from one end of the accommodating cavity and provided with an annular accommodating groove, the rotating shaft waterproof ring is arranged in the annular accommodating groove, and a pressing plate is arranged at the notch of the annular accommodating groove.

Preferably, the output shaft sleeve is provided with a driving piece waterproof ring.

Another object of the present invention is to provide a dome camera, which reduces the design difficulty and the disassembly difficulty.

To achieve the purpose, the invention adopts the following technical scheme:

a dome camera comprising a sphere mounting structure as described above.

The invention has the beneficial effects that:

the invention provides a ball mounting structure which comprises a frame body, side lugs and balls. The support body includes the support top, and fixed side ear and activity side ear are connected in the both ends of support top respectively, and fixed side ear and support top fixed connection, activity side ear and support top detachable connection, fixed side ear, support top and activity side ear enclose into the holding tank, and fixed side ear, support top and activity side ear connect gradually and form U type structure. The movable side lugs are detachably connected with the frame body, so that the ball body can be installed in the accommodating groove, wires in the ball body are conveniently penetrated out and then connected to other parts, and the fixed side lugs are fixedly connected with the support top, so that the design difficulty and the disassembly and assembly difficulty of the spherical camera are reduced.

Drawings

Fig. 1 is a schematic structural view of a dome camera according to an embodiment of the present invention;

FIG. 2 is a schematic view of an exploded construction of a bracket and an inner cover provided by an embodiment of the present invention;

FIG. 3 is a schematic view of a structure in which an outer cover is connected to a stand and is detached after the outer cover rotates in the direction of an arrow;

FIG. 4 is a schematic view of a partial cross-sectional structure of a dome camera according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a speaker and frame connection according to an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure of a dome camera according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a ball mounting structure according to an embodiment of the present invention.

In the figure:

1. a warning light mechanism;

11. an inner cover; 111. a limit column;

12. an outer cover; 121. a locking groove; 1211. a vertical trough section; 1212. a horizontal trough section;

13. an elastic sealing ring;

2. a bracket;

21. a receiving groove;

22. a circular ring-shaped structure; 221. a limiting plate; 222. a locking block;

23. a fixing part; 24. a cantilever; 25. a connector;

4. a spherical camera body;

400. a ball mounting structure;

41. a frame body; 411. fixing the side ears; 412. a support top; 413. a vertical rotating shaft; 414. a cable guide structure; 4141. a guide plate; 4142. a cable guide groove;

42. a movable side ear;

43. a sphere; 431. a front face; 432. a rear cover;

44. a driving member; 441. an output shaft;

45. a rotating shaft waterproof ring; 46. a pressing plate; 47. a driving piece waterproof ring; 48. a mounting frame;

401. an intermediate; 4011. a sound outlet hole;

402. a speaker; 403. and a light supplementing lamp.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.

In the present invention, directional terms, such as "upper", "lower", "left", "right", "inner" and "outer", are used for convenience of understanding and are not to be construed as limiting the scope of the present invention unless otherwise specified.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the dome camera provided in this embodiment includes a bracket 2, a warning unit, and a dome camera body 4. The bracket 2 is mainly used for fixing the dome camera and can connect the dome camera to other positions such as a wall body, a roadside upright post and the like. The dome camera body 4 is connected to the bottom of the support 2, the warning unit comprises a warning light mechanism 1, the warning unit is connected to the top of the support 2, and the warning light mechanism 1 can be lightened. The spherical camera body 4 can collect the information of the face or the vehicle, the spherical camera can be arranged at the edge of the forbidden area, and when the spherical camera body 4 finds that a person or the vehicle enters the forbidden area, the warning light mechanism 1 can be lightened and alternately blinked to give an alarm.

The dome camera with the warning light mechanism provided by the embodiment is provided with the warning light mechanism 1 capable of being lighted, so that the dome camera has an alarm function. The warning unit with warning light mechanism 1 is connected in the top of support 2, and warning light mechanism 1 is similar to the warning light that sets up at police car top, therefore, warning light mechanism 1 in this embodiment exists independently of spherical camera body 4, and is more visual, and the people who gets into the forbidden region discerns the warning light mechanism 1 that lights more easily, knows that oneself is in forbidden region, and the warning effect of spherical camera is good on the basis that does not influence shooting function. The warning light mechanism 1 and the spherical camera body 4 are respectively arranged on the upper side and the lower side of the bracket 2, so that the warning light mechanism 1 can not influence the shooting function of the spherical camera body 4, and the spherical camera has reasonable and compact structure and attractive appearance.

Specifically, the bracket 2 includes a fixing portion 23, a cantilever 24, and a joint 25, and the joint 25 and the fixing portion 23 are provided at both ends of the cantilever 24, respectively. The fixing portion 23 is connected to a wall, a roadside pole, etc., and may be provided with a connection hole, and then the fixing portion 23 is fixed to the wall or the roadside pole, etc. by a connection member such as a bolt. The connector 25 is used for connecting the warning light mechanism 1 and the dome camera body 4. To enhance the aesthetic appearance of the dome camera, the connector 25 may be of cylindrical configuration. The bracket 2 may be integrally formed, and the fixing portion 23, the cantilever 24, and the connection head 25 may be connected by welding, a connection member, or the like. Of course, in other embodiments, the support 2 may take other forms, which are not particularly limited herein.

As shown in fig. 2, the warning light mechanism 1 includes a light emitting component, in this embodiment, in order to facilitate installation of the light emitting component, a receiving groove 21 is formed at the top of a connector 25 of the bracket 2, and a lower end of the light emitting component is disposed in the receiving groove 21 and is connected with a groove wall of the receiving groove 21. Preferably, the receiving groove 21 has a circular cross section. Of course, the bracket 2 and the light emitting assembly may be connected by a clamping or tight fitting manner, which will not be described herein. Wherein the tight fit may be an interference fit.

The light emitting assembly includes an inner housing 11 and a light emitting source (not shown) which may be a LED lamp, a laser emitter, or the like, which can emit light. The inner cover 11 is provided corresponding to the light emitting source, and the light emitting source is provided in the inner cover 11. The inner cover 11 is inserted into the accommodating groove 21. Specifically, the side wall of the inner cover 11 is provided with a limit post 111, the groove wall of the accommodating groove 21 is provided with a limit structure, and the limit post 111 can be inserted into the limit structure to limit the rotation of the inner cover 11. When the inner cover 11 is mounted, the limiting column 111 is inserted into the limiting structure, the inner cover 11 is continuously pressed downwards, and the lower end of the inner cover 11 can be abutted on the bottom wall of the accommodating groove 21, so that the inner cover 11 is limited to move along the vertical direction. Of course, the inner cover 11 and the accommodating groove 21 may be inserted in a tight fit manner, or the inner cover and the accommodating groove may be engaged in a snap fit manner, which will not be described herein.

In this embodiment, the limiting structure includes two limiting plates 221 that are vertically and alternately disposed, and the limiting post 111 can be inserted between the two limiting plates 221. Still further, the limiting post 111 may be disposed inside the inner cover 11, and the limiting plate 221 is disposed inside the inner cover 11, so that the gap between the inner cover 11 and the groove wall of the accommodating groove 21 may be reduced, and the compactness of the warning light mechanism 1 may be improved. Of course, in other embodiments, the stop posts 111 may be disposed on the outside of the inner housing 11, with the stop plate 221 being located outside of the inner housing 11. The limiting structure may also be a groove formed on the groove wall of the accommodating groove 21, and the limiting post 111 may be inserted into the groove. Preferably, the limiting post 111 may also protrude from the lower end surface of the inner cover 11, so that the limiting post 111 is aligned with the limiting structure, and the installation efficiency of the warning light mechanism 1 is improved.

In order to improve the warning effect of the warning light mechanism 1, two groups of light emitting components are arranged in the accommodating groove 21, and the two groups of light emitting components flash alternately. It will be appreciated that in order to enable the warning light mechanism 1 to emit light, the inner covers 11 are light-transmitting members, and in order to further enhance the warning effect of the warning light mechanism 1, the two inner covers 11 are different in color, so that the warning light mechanism 1 can alternately emit light of different colors. Specifically, the inner cover 11 may be made of glass or plastic, or the like. Of course, in other embodiments, the number of the light emitting components may be one group, or three groups, four groups, or other numbers greater than two groups, and when the number of the light emitting components is greater than three groups, the colors of the plurality of inner covers 11 may be different from each other, or at least the colors of the two inner covers 11 may be different from each other.

In this embodiment, in order to improve the utilization rate of the space in the accommodating groove 21, the inner covers 11 are configured in a semi-cylindrical structure, and two inner covers 11 are installed in the accommodating groove 21 and may be spliced to form a cylindrical structure. That is, the inner cover 11 includes a side wall including a semicircular arc plate and a flat plate connected to an opening of the semicircular arc plate in an axial direction, and a top plate connected to an upper end of the side wall.

A fixing column may be further disposed in the accommodating groove 21, and the light emitting source is fixed in the accommodating groove 21 through the fixing column.

As shown in fig. 3, in order to improve the sealing performance of the warning light mechanism 1 and to prevent rainwater or the like from entering the accommodating groove 21, the warning light mechanism 1 includes a housing 12. The light emitting component is disposed in the housing 12, the outer wall of the accommodating groove 21 is provided with a locking block 222, the housing 12 is provided with a locking groove 121, and the locking block 222 can be inserted into the locking groove 121, so that the housing 12 is connected to the groove wall of the accommodating groove 21.

As shown in fig. 2 and 3, the groove wall of the accommodating groove 21 is a circular ring-shaped structure 22 so as to enclose the accommodating groove 21 with a circular cross section, the outer cover 12 is a cylindrical structure with an opening at the lower end, the locking groove 121 comprises a vertical groove section 1211 and a horizontal groove section 1212 which are communicated and form an L-shaped structure, the vertical groove section 1211 is parallel to the central axis of the outer cover 12, and the horizontal groove section 1212 is arranged along the circumferential direction of the outer cover 12. When installing the housing 12, the locking block 222 is first aligned with the vertical slot segment 1211, then the housing 12 is covered over the annular structure 22, and finally the housing 12 is rotated so that the locking block 222 is positioned at the horizontal slot segment 1212 and away from one end of the vertical slot segment 1211, thereby preventing the housing 12 from moving in a vertical direction. Of course, the vertical slot segment 1211 and the horizontal slot segment 1212 may also have a T-shaped configuration, which is not specifically limited herein.

As shown in fig. 4, the groove wall of the accommodating groove 21 is sleeved with an elastic sealing ring 13, and the lower end of the outer cover 12 is abutted against the elastic sealing ring 13. The elastic sealing ring 13 can improve the tightness of the outer cover 12 on the one hand, and on the other hand, the elastic sealing ring 13 has upward acting force on the outer cover 12, so that the outer cover 12 can be locked to avoid the outer cover 12 from rotating. When it is desired to open the housing 12, the housing 12 is then depressed downwardly and rotated in a reverse direction to unscrew.

It will be appreciated that the housing 12 is also a light transmissive member in order to enable the warning light mechanism 1 to illuminate, and in particular the housing 12 may be made of glass or plastic or the like.

As shown in fig. 1 and 5, in order to further improve the warning effect of the dome camera, the dome camera provided in this embodiment can also sound a warning. Specifically, the dome camera body 4 includes an intermediate body 401, the intermediate body 401 is formed with an intermediate cavity, a speaker 402 is disposed in the intermediate cavity, an acoustic hole 4011 is formed in the intermediate body 401, and the acoustic hole 4011 is located at a side of the speaker 402. That is, the dome camera provided in this embodiment adopts a side-sounding manner, so that the space of the middle cavity can be reasonably utilized, and the volume of the dome camera is reduced. Preferably, the dome camera body 4 further includes a frame assembly to which the speaker 402 is fixed by fasteners such as screws.

As shown in fig. 1, the dome camera body 4 preferably further includes a light supplement lamp 403 and an image acquisition unit. The light supplement lamp 403 has an infrared lamp mode and a full-color mode, and the detailed structure and principle of the light supplement lamp 403 and the image acquisition unit are prior art, and thus will not be described herein.

The dome camera combines the image human shape recognition function, after detecting human shape in the warning area, the light supplementing lamp 403 is cut into full-color mode by the infrared lamp mode, so that full-color human face can be captured, the warning lamp mechanism 1 and the loudspeaker 402 are triggered simultaneously, the luminous component emits light, different color lights flash alternately, and the loudspeaker 402 triggers warning sound. The image humanoid recognition function of the dome camera is the prior art and is not described herein.

As shown in fig. 1 and 6, the dome camera body 4 provided in the present embodiment preferably further includes a sphere mounting structure 400, and the sphere mounting structure 400 includes a frame 41, side ears, and a sphere 43. The frame 41 includes support top 412, and the side ear includes fixed side ear 411 and activity side ear 42, and fixed side ear 411 and activity side ear 42 are connected in the both ends of support top 412 respectively, and fixed side ear 411 and support top 412 fixed connection. Preferably, the fixed side ears 411 are integrally formed with the bracket top 412. The movable side lugs 42 are detachably connected with the support top 412, for example, the movable side lugs 42 are detachably connected with the support 41 by means of screw connection, plugging or clamping. The movable side lugs 42 are connected with the frame 41 to form a frame assembly. The fixed side lug 411, the bracket top 412 and the movable side lug 42 enclose an accommodating groove, and the fixed side lug 411, the bracket top 412 and the movable side lug 42 are sequentially connected to form a U-shaped structure. The ball 43 is rotatably connected to the receiving groove. The movable side lugs 42 are detachably connected with the frame 41, so that the ball 43 can be installed in the accommodating groove 21, wires in the ball 43 can be conveniently penetrated out and then connected to other components, and the fixed side lugs 411 are fixedly connected to the support top 412, so that the design difficulty and the disassembly difficulty of the spherical camera are reduced.

The light supplement lamp 403 and the image acquisition unit described above are both provided on the globe 43. The sphere 43 rotates so that the image acquisition unit can acquire images of different positions.

In order to drive the sphere 43 to rotate around the horizontal axis, the general dome camera includes a driving assembly composed of a motor and a timing pulley, and the driving assembly is relatively complex in structure. In this embodiment, a receiving cavity is formed in the ball 43, a driving member 44 is fixedly disposed in the receiving cavity, and an output shaft 441 of the driving member 44 passes through a cavity wall of the receiving cavity and is connected with the movable side lug 42 to drive the ball 43 to rotate around the output shaft 441. Further, the sphere 43 includes a front face 431 and a rear cover 432 which are detachably connected, the front face 431 and the rear cover 432 are buckled to form the accommodating cavity, the front face 431 is fixed with a mounting frame 48, and the driving member 44 is fixed in the accommodating cavity through the mounting frame 48. The driving member 44 may be a motor, the output shaft 441 of which is horizontally disposed to drive the ball 43 to rotate about a horizontal axis. Of course, in other embodiments, the driving member 44 may be fixed not to the front face 431 but to the rear cover 432.

Preferably, the cross section of the end of the output shaft 441 of the driving member 44 connected to the movable side lug 42 is in a waist-shaped structure or a rectangular structure, and it is understood that the middle of the waist-shaped structure is rectangular, and two ends of the rectangle are respectively connected with a semicircle. The movable side lugs 42 are provided with limiting holes, and the structure can effectively prevent the output shaft 441 from rotating relative to the movable side lugs 42.

As shown in fig. 7, in order to improve the waterproof performance of the ball mounting structure 400, a driving member waterproof ring 47 is fitted over the output shaft 441. Specifically, an output shaft hole is formed in the ball 43, a circle of annular protrusions are arranged on one side, close to the movable side lugs 42, of the ball 43, the annular protrusions and the output shaft hole are coaxially arranged, and the inner diameter of the annular protrusions is larger than the aperture of the output shaft hole. The periphery of the driving piece waterproof ring 47 is of a step structure, one part of the driving piece waterproof ring is arranged in a space surrounded by the annular bulge, the other part of the driving piece waterproof ring is arranged in the output shaft hole, and the inner peripheral surface of the driving piece waterproof ring 47 is abutted against the outer peripheral surface of the output shaft 441 so as to improve the waterproof effect of the driving piece waterproof ring 47.

As shown in fig. 6 and 7, to improve the rotational stability of the ball 43, the ball mounting structure 400 further includes a vertical rotation shaft 413. The sphere 43 is rotatably connected with the fixed side lug 411 through a vertical rotating shaft 413. Namely, the vertical rotary shaft 413 and the output shaft hole are coaxially arranged, and are respectively arranged at two opposite sides of the sphere 43. Specifically, the ball 43 is provided with a through hole, the vertical rotating shaft 413 is disposed in the through hole and can rotate along the inner circumference of the through hole, the vertical rotating shaft 413 is of a hollow structure, and the hollow structure can allow a cable to pass through. The vertical rotary shaft 413 is arranged to be of a hollow structure, so that a through hole for a cable to pass through is not required to be formed on the sphere 43, the structural strength of the sphere 43 is improved, and the structure of the sphere 43 is simplified; on the other hand, the driving piece 44 is arranged near one side of the movable side lug 42, the cables are intensively distributed on one side near the fixed side lug 411, and the driving piece 44 and the cables are separately arranged, so that the structure in the accommodating cavity is neat and convenient to maintain.

After the cable in the accommodating cavity is penetrated out of the sphere 43, the cable needs to extend upwards to penetrate into the middle cavity positioned on the upper side of the frame body assembly, and in order to enable the cable to automatically extend upwards after the cable is penetrated out of the sphere 43, the cable guide structure 414 is arranged on the fixed side lug 411.

Preferably, the cable guiding structure 414 includes a cable guiding groove 4142, the cable guiding groove 4142 communicates with the hollow structure of the vertical rotation shaft 413, and the groove bottom of the cable guiding groove 4142 is inclined upward from one end close to the vertical rotation shaft 413 to one end far from the vertical rotation shaft 413, so that the cable passing out of the ball 43 extends upward under the guiding action of the cable guiding groove 4142.

Specifically, the fixed side lug 411 includes an inner wall and an outer wall disposed at intervals, and the vertical rotary shaft 413 is connected to a side of the inner wall away from the outer wall. The cable guide structure 414 includes two guide plates 4141 disposed opposite to and spaced apart from each other, and a cable guide groove 4142 having a groove bottom is formed between the two guide plates 4141. Preferably, the fixing side ears 411, the vertical rotary shaft 413 and the guide plate 4141 are integrally formed.

Of course, in other embodiments, the output shaft 441 of the driving member 44 may be connected to the fixed side lug 411, the ball 43 is rotatably connected to the movable side lug 42 through the vertical rotation shaft 413, and the cable guiding structure 414 is correspondingly disposed on the movable side lug 42.

To improve the waterproof property of the ball mounting structure 400, a shaft waterproof ring 45 is provided between the through hole and the vertical shaft 413. Preferably, an annular accommodating groove is formed at one end of the through hole away from the accommodating cavity, the rotating shaft waterproof ring 45 is arranged in the annular accommodating groove, and a pressing plate 46 is arranged at the notch of the annular accommodating groove in order to prevent the rotating shaft waterproof ring 45 from being separated from the annular accommodating groove. In addition, the pressing plate 46 also has a function of supporting the vertical rotation shaft 413. After the waterproof ring 45 is installed in the annular accommodating groove, the pressing plate 46 can be fixedly connected to the sphere 43 through a fixing piece such as a screw.

Preferably, as shown in fig. 7, the support top 412 is a part of a sphere, and the structure of the support top 412 is identical to that of the sphere 43, so that the space between the support top 412 and the sphere 43 can be reduced, thereby making the structure of the dome camera more compact. Mounting portions may also be provided on the bracket top 412 to which the speaker 402 is secured by fasteners such as screws.

The installation steps of the sphere installation structure 400 provided in this embodiment are as follows:

step 1, a front face 431 is mounted on a fixed side ear 411 through a vertical rotating shaft 413;

step 2, connecting the movable side lugs 42 with the output shaft 411 and the bracket top 412;

step 3, the cable in the front face 431 is penetrated out by the vertical rotating shaft 413 and the cable guiding structure 414;

step 4, the back cover 432 is connected to the front face 431.

It will be appreciated that the above-described mounting steps are not absolute and that the order between the steps may be suitably adjusted according to the actual circumstances.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. A ball mounting structure, comprising:

a frame body (41) comprising a bracket top (412);

the side ears comprise fixed side ears (411) and movable side ears (42), the fixed side ears (411) and the movable side ears (42) are respectively connected to two ends of the support top (412), the fixed side ears (411) are fixedly connected with the support top (412), the movable side ears (42) are detachably connected with the support top (412), the fixed side ears (411), the support top (412) and the movable side ears (42) form a containing groove in a surrounding mode, and the fixed side ears (411), the support top (412) and the movable side ears (42) are sequentially connected to form a U-shaped structure;

a sphere (43) rotatably connected to the receiving groove;

when the ball (43) is mounted, one side of the ball (43) is arranged on the fixed side lug (411) through a front face (431) thereof, and the other side of the ball is connected with the bracket top (412) through a movable side lug (42) which can be separated from the bracket top (412).

2. The ball mounting structure according to claim 1, wherein a receiving cavity is formed in the ball (43), a driving member (44) is fixedly provided in the receiving cavity, and an output shaft (441) of the driving member (44) passes through a cavity wall of the receiving cavity and is connected with one of the fixed side ear (411) and the movable side ear (42) to drive the ball (43) to rotate about the output shaft (441).

3. The ball mounting structure according to claim 2, further comprising a vertical rotation shaft (413), wherein the ball (43) is rotatably connected to the other of the fixed side ear (411) and the movable side ear (42) through the vertical rotation shaft (413).

4. A ball mounting structure according to claim 3, characterized in that the side ears connected to the vertical rotation shaft (413) are provided with cable guide structures (414).

5. The ball mounting structure according to claim 4, wherein the cable guide structure (414) includes a cable guide groove (4142), the cable guide groove (4142) communicates with the hollow structure of the vertical rotation shaft (413), and a groove bottom of the cable guide groove (4142) is provided obliquely upward from an end close to the vertical rotation shaft (413) to an end distant from the vertical rotation shaft (413).

6. A ball mounting structure according to claim 3, wherein the ball (43) is provided with a through hole, the vertical rotation shaft (413) passes through the through hole and can rotate along the inner circumference of the through hole, and the vertical rotation shaft (413) is of a hollow structure.

7. The ball mounting structure according to claim 6, wherein a shaft waterproof ring (45) is provided between the through hole and the vertical shaft (413).

8. The ball mounting structure according to claim 7, wherein an annular accommodating groove is formed in one end of the through hole away from the accommodating cavity, the rotating shaft waterproof ring (45) is arranged in the annular accommodating groove, and a pressing plate (46) is arranged at a notch of the annular accommodating groove.

9. Sphere mounting structure, according to any of the claims 2-8, characterized in that said output shaft (441) is sleeved with a driving member waterproof ring (47).

10. A dome camera comprising the sphere mounting structure of any one of claims 1-9.