Camera

Through the combination of the split-chamber design and the wiring channel, the problem of low space utilization of explosion-proof cameras is solved, and more efficient space utilization and lightweight design are achieved.

CN223261583UActive Publication Date: 2025-08-22HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422612416.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-08-22
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing explosion-proof cameras have low space utilization and cannot effectively utilize the internal space of the equipment.

Method used

It adopts a separate cavity design, including a combination of the top cover, fixing frame, fuselage, horizontal motor and vertical motor. The space utilization rate is improved through the separate cavity design, and electrical connection and seal are realized through the wiring channel to meet the explosion-proof requirements.

Benefits of technology

It improves the space utilization rate of the camera, while meeting explosion-proof requirements, realizing the lightweight and simple structure of the camera.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a camera which comprises a top cover, a fixing frame, a camera body, a horizontal motor and a vertical motor. A sealed first cavity is defined by the top cover. The fixing frame is rotationally connected with the top cover and comprises a top, a first connecting part and a second connecting part. And a sealed second cavity is defined by the top. And a sealed third cavity is defined by the first connecting part. A fourth cavity is defined by the second connecting part. The two opposite ends of the machine body are rotationally connected with the first connecting part and the second connecting part correspondingly. The second cavity is located above the machine body, and the third cavity and the fourth cavity are located on the two opposite sides of the machine body respectively. A sealed fifth cavity is defined by the machine body, and the machine body comprises a lens located in the fifth cavity. The horizontal motor and the vertical motor are both located in the second cavity, the horizontal motor drives the fixing frame to rotate relative to the top cover, and the vertical motor drives the machine body to do pitching motion relative to the fixing frame. The camera improves the space utilization rate through the separate cavity design of the first cavity, the second cavity, the third cavity, the fourth cavity and the fifth cavity.
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Description

Technical Field

[0001] The present application relates to the field of video surveillance technology, and in particular to a camera. Background Art

[0002] Any location involving the production, processing, storage, and transportation of explosive substances can create an explosive environment. Therefore, electrical equipment in these locations must be explosion-proof to prevent it from becoming a dangerous ignition source and preventing industrial explosion accidents. Explosion-proof equipment has corresponding industry and national standards. Existing explosion-proof cameras suffer from low space utilization. Utility Model Content

[0003] The present application provides a camera that can improve space utilization.

[0004] An embodiment of the present application provides a camera, comprising: a top cover, a fixing frame, a body, a horizontal motor and a vertical motor, the top cover encloses a sealed first cavity, the fixing frame is rotatably connected to the top cover, comprises a top, a first connecting part and a second connecting part, the top encloses a sealed second cavity, the first connecting part encloses a sealed third cavity, the second connecting part encloses a fourth cavity, opposite ends of the body are rotatably connected to the first connecting part and the second connecting part respectively, the second cavity is located above the body, the third cavity and the fourth cavity are respectively located on opposite sides of the body, the body encloses a sealed fifth cavity, the body includes a lens located in the fifth cavity, the horizontal motor is located in the second cavity to drive the fixing frame to rotate relative to the top cover, and the vertical motor is located in the second cavity to drive the body to pitch relative to the fixing frame.

[0005] Furthermore, a circuit board is provided in the first cavity, a vertical encoder is provided in the third cavity, the vertical encoder, the lens, the horizontal motor and the vertical motor are electrically connected to the circuit board through connecting wires respectively, the first cavity and the second cavity are connected through a first wiring channel, the second cavity and the fourth cavity are connected through a second wiring channel, the fifth cavity and the fourth cavity are connected through a third wiring channel, the third cavity and the fourth cavity are connected through a fourth wiring channel, and the second wiring channel and the third wiring channel are sealed after wiring.

[0006] Furthermore, the fuselage includes an outer shell, which encloses the fifth cavity, and the outer shell includes a first axis portion and a second axis portion, the first axis portion is rotatably connected to the first connecting portion, and the second axis portion is rotatably connected to the second connecting portion, at least part of the fourth wiring channel is arranged on the first axis portion, and at least the third wiring channel is arranged on the second axis portion.

[0007] Furthermore, the shell encloses a sixth cavity, the sixth cavity is connected to the fifth cavity through a wiring hole, the wiring hole is sealed, and the body includes a voice module arranged in the sixth cavity.

[0008] Furthermore, the fixing frame includes an upper cover and a bracket fixed to the upper cover, the upper cover includes a top wall and a side wall extending from the top wall, the bracket includes a top plate and a first ear and a second ear connected to the top plate, the top wall and the top plate are arranged opposite to each other, the top wall, the side wall and the top plate form the second cavity, and the opposite ends of the fuselage are respectively rotatably connected to the first ear and the second ear.

[0009] Furthermore, the first ear portion is provided with a first through-hole for the first shaft portion to pass through, and the first connecting portion includes an end cover fixed to the first ear portion, and the end cover and the first ear portion enclose the third cavity.

[0010] Furthermore, the fixing frame includes a cover shell, which is arranged around the outside of the upper cover and the bracket, and the cover shell includes a cover plate and a first side plate and a second side plate connected to the cover plate. The cover plate is arranged around the outer periphery of the upper cover, the first side plate and the first ear form a cavity, the end cover is located in the cavity, and the second side plate and the second ear form the fourth cavity.

[0011] Furthermore, the side wall is provided with a second through-hole for the output end of the vertical motor to pass through, the second ear is provided with a third through-hole for the second shaft to pass through, the body includes a first turntable connected to the second shaft, the first turntable is located in the fourth cavity, and the camera includes a first pulley connecting the first turntable and the output end.

[0012] Furthermore, the output end includes a main body and a second turntable and a third turntable located at opposite ends of the main body, the main body is located in the second through-hole, the second turntable is located in the fourth cavity, the third turntable is located in the second cavity, the first pulley connects the first turntable and the second turntable, a fourth turntable is provided on the output shaft of the vertical motor, the camera includes a second pulley connecting the third turntable and the fourth turntable, the first turntable and the second turntable have different diameters, and the third turntable and the fourth turntable have different diameters.

[0013] Furthermore, the fuselage includes a wiper.

[0014] The camera of the embodiment of the present application improves space utilization through the cavity design of the first cavity, the second cavity, the third cavity, the fourth cavity and the fifth cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of a camera according to an embodiment of the present application;

[0016] Figure 2 yes Figure 1 A front view of the camera shown;

[0017] Figure 3 yes Figure 1 a bottom view of the camera shown;

[0018] Figure 4 yes Figure 1 A schematic cross-sectional view of a camera shown;

[0019] Figure 5 yes Figure 1 Another schematic cross-sectional view of the camera shown;

[0020] Figure 6 yes Figure 1 a perspective view of the camera body shown;

[0021] Figure 7 yes Figure 1 An exploded view of the camera mounting bracket shown, wherein the housing is not shown;

[0022] Figure 8 yes Figure 1 Another exploded view of the mounting bracket of the camera assembly is shown, wherein the housing is not shown;

[0023] Figure 9 yes Figure 1 A partial cross-sectional schematic diagram of the camera shown;

[0024] Figure 10 yes Figure 9 An enlarged view of the circled portion at point A of the cross-sectional schematic diagram shown;

[0025] Figure 11 yes Figure 9 An enlarged view of the circled portion at point B of the cross-sectional schematic diagram shown;

[0026] Figure 12 yes Figure 1 Another partial cross-sectional schematic diagram of the camera shown;

[0027] Figure 13 yes Figure 12 An enlarged view of the circled portion at point C of the cross-sectional schematic diagram shown. DETAILED DESCRIPTION

[0028] Here, the technical solutions in the embodiments (or "implementations") of the present application will be clearly and completely described in conjunction with the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0029] If there are terms related to directional indications or positional relationships in the embodiments of this application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the accompanying drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first" and "second" in the embodiments of this application are only used for the purpose of convenience of description and should not be understood as indicating or implying relative importance.

[0030] See also Figures 1 to 5 As shown, the camera 100 according to the embodiment of the present application includes a top cover 1, a fixing bracket 2, a body 3, a horizontal motor 41 and a vertical motor 42. The body 3 includes a lens 30.

[0031] The fixing frame 2 is rotatably connected to the top cover 1 to achieve horizontal rotation of the fixing frame 2; the body 3 is rotatably connected to the fixing frame 2 to achieve pitch movement of the body 3 to adjust the monitoring range of the lens 30.

[0032] The horizontal motor 41 is used to drive the fixing frame 2 to rotate horizontally, and the vertical motor 42 is used to drive the fuselage 3 to move in a pitching motion.

[0033] The top cover 1 forms a sealed first cavity 11. In some embodiments, the camera 100 includes a circuit board 51 located in the first cavity 11, and the lens 30 is electrically connected to the circuit board 51.

[0034] In some embodiments, the fixing frame 2 includes a top 21, a first connecting portion 22, and a second connecting portion 23. The top 21 forms a sealed second cavity 212, the first connecting portion 22 forms a sealed third cavity 221, and the second connecting portion 23 forms a sealed fourth cavity 231. The horizontal motor 41 and the vertical motor 42 are both located in the second cavity 212.

[0035] The opposite ends of the body 3 are rotatably connected to the first connecting part 22 and the second connecting part 23 respectively. The second cavity 212 is above the body 3. The third cavity 221 and the fourth cavity 231 are respectively located on opposite sides of the body 3. The body 3 forms a sealed fifth cavity 31, and the lens 30 is located in the fifth cavity 31.

[0036] The problem of low space utilization of the camera 100 is solved through the chamber design; at the same time, explosion-proof requirements can be handled separately. For example, the first cavity 11, the second cavity 212, the third cavity 221 and the fifth cavity 31 are sealed cavities, and the fourth cavity 231 has no explosion-proof requirements and does not need to be sealed. The structure is simple, which is conducive to the lightweight of the camera 100.

[0037] In some embodiments, the top cover 1 includes a shaft portion 12, and the fixing frame 2 defines a shaft hole 211. The shaft portion 12 passes through the shaft hole 211 and extends into the second cavity 212. In some embodiments, the camera 100 includes a first bearing 13 assembled within the shaft hole 211. The shaft portion 12 is fixed to the inner ring of the first bearing 13, and the outer ring of the first bearing 13 is fixed to the fixing frame 2 to ensure smooth rotation of the fixing frame 2.

[0038] In some embodiments, a horizontal encoder 213 is provided in the second cavity 212 . The horizontal encoder 213 is electrically connected to the circuit board 51 to realize position determination and calibration functions when the fixing frame 2 rotates horizontally.

[0039] In some embodiments, the shaft hole 211 is sealed, including but not limited to sealing by a sealing ring.

[0040] In some embodiments, the top cover 1 includes an upper cover 14 and a lower cover 15. The upper cover 14 and the lower cover 15 are fixed to each other and define the first cavity 11 therebetween. The shaft 12 extends from the lower cover 15. The upper cover 14 is provided with a wire hole 141 for the power cord 132 to pass through. The wire hole 141 is sealed to meet explosion-proof requirements.

[0041] In some embodiments, the upper cover 14 and the lower cover 15 are made of metal, including but not limited to stainless steel, to increase strength to meet explosion-proof requirements. This application does not limit the material of the upper cover 14 and the lower cover 15.

[0042] The upper cover 14 and the lower cover 15 can be fixed by welding, screw locking, snap fastening, etc., and the gap between the upper cover 14 and the lower cover 15 is sealed to meet explosion-proof requirements.

[0043] A vertical encoder 222 is disposed within the third cavity 221 to determine and calibrate the position of the camera body 3 during pitch motion. The vertical encoder 222, the lens 30, the horizontal motor 41, and the vertical motor 42 are electrically connected to the circuit board 51 via connecting wires (not shown).

[0044] The first cavity 11 is connected to the second cavity 212 through the first wiring channel 121, the second cavity 212 is connected to the fourth cavity 231 through the second wiring channel 611, the fifth cavity 31 is connected to the fourth cavity 231 through the third wiring channel 320, the third cavity 221 is connected to the fourth cavity 231 through the fourth wiring channel 321, and the fourth wiring channel 321 is connected to the third wiring channel 320. The first wiring channel 121, the second wiring channel 611, the third wiring channel 320 and the fourth wiring channel 321 are used for connecting wires to pass through. The second wiring channel 611, the third wiring channel 320 and the fourth wiring channel 321 are sealed after wiring to meet explosion-proof requirements.

[0045] In some embodiments, the shaft portion 12 is hollow to form the first wiring channel 121 .

[0046] Ginseng Figures 3 to 6 As shown, the body 3 includes a housing 32. The housing 32 encloses the fifth cavity 31. The housing 32 includes a first shaft portion 322 and a second shaft portion 323. The first shaft portion 322 is rotatably connected to the first connecting portion 22, and the second shaft portion 323 is rotatably connected to the second connecting portion 23.

[0047] In some embodiments, the first shaft portion 322 and the second shaft portion 323 are hollow, at least a portion of the fourth wiring channel 321 is disposed on the first shaft portion 322 , and at least the third wiring channel 320 is disposed on the second shaft portion 323 .

[0048] In some embodiments, the housing 32 defines a sixth cavity 324, which communicates with the fifth cavity 31 via a wiring hole 311. The wiring hole 311 is sealed to meet explosion-proof requirements. The body 3 includes a voice module 34 disposed within the sixth cavity 324 to enable intercom and external audio playback functions of the camera 100.

[0049] In some embodiments, the sixth cavity 324 is located below the fifth cavity 31 .

[0050] In some embodiments, the housing 32 is provided with a sound outlet 325 communicating with the sixth cavity 324 to improve the sound output effect of the voice module 34 .

[0051] In some embodiments, the sound outlet 325 is located at the bottom of the housing 32 to prevent water from entering.

[0052] In some embodiments, the body 3 includes a wiper 35 , and the body 3 includes a first viewing window 36 corresponding to the lens 30 . The provision of the wiper 35 ensures that the first viewing window 36 is clean, thereby ensuring the clarity of monitoring.

[0053] In some embodiments, the body 3 includes a fill light device 37 and a second window 38 corresponding to the fill light device 37 to provide fill light in the case of insufficient light to ensure the clarity of monitoring. The fill light device 37 is located in the fifth cavity 31.

[0054] In some embodiments, the shell 32 encloses a seventh cavity 326, and the fuselage 3 includes a control device 39 connected to the wiper 35, and the control device 39 controls the reciprocating swing of the wiper 35. The control device 39 is located in the seventh cavity 326, and the seventh cavity 326 is located below the fifth cavity 31 and in front of the sixth cavity 324.

[0055] In some embodiments, the housing 32 is made of metal, including but not limited to stainless steel, to increase strength to meet explosion-proof requirements. This application does not limit the material of the housing 32.

[0056] Ginseng Figure 4 and Figures 7 and 8 In some embodiments, the fixing frame 2 includes an upper cover 24 and a bracket 25 fixed to the upper cover 24. The upper cover 24 includes a top wall 241 and a side wall 242 extending from the top wall 241. The bracket 25 includes a top plate 251 and a first ear portion 252 and a second ear portion 253 connected to the top plate 251. The top wall 241 and the top plate 251 are arranged opposite to each other. The top wall 241, the side wall 242, and the top plate 251 enclose the second cavity 212. The opposite ends of the fuselage 3 are rotatably connected to the first ear portion 252 and the second ear portion 253, respectively.

[0057] In some embodiments, the upper cover 24 and the bracket 25 are made of metal, including but not limited to stainless steel, to increase strength to meet explosion-proof requirements. This application does not limit the material of the upper cover 24 and the bracket 25.

[0058] The arrangement of the upper cover 24 and the bracket 25 enables the fixing frame 2 to have a simple structure and a light weight.

[0059] In some embodiments, the shaft hole 211 is disposed on the top wall 241 .

[0060] In some embodiments, the bracket 25 includes an extension edge 254 extending from the top plate 251 , and the extension edge 254 extends into the space enclosed by the top wall 241 and the side wall 242 to increase the stability of the upper cover 24 and the bracket 25 after being fixed.

[0061] In some embodiments, the first ear portion 252 is provided with a first through-hole 2521 for the first shaft portion 322 to pass through. The first connecting portion 22 includes an end cap 223 fixed to the first ear portion 252 . The end cap 223 and the first ear portion 252 form the third cavity 221 .

[0062] In some embodiments, the end cap 223 and the first ear portion 252 can be fixed by welding, threaded connection, screw locking, or the like.

[0063] In some embodiments, the first ear portion 252 includes a first side wall 2522, the end cover 223 includes a baffle 2231 and a second side wall 2232 extending from the baffle 2231, and the second side wall 2232 extends into the space enclosed by the first side wall 2522 to increase the stability of the end cover 223 and the first ear portion 252 after being fixed. The baffle 2231 is fixed to the first side wall 2522.

[0064] In some embodiments, the end cover 223 is made of metal, including but not limited to stainless steel, to increase strength to meet explosion-proof requirements. This application does not limit the material of the end cover 223.

[0065] In some embodiments, the first ear portion 252 is assembled and fixed to the top plate 251 .

[0066] In some embodiments, the first ear portion 252 is fixed to the top plate 251 by welding or screw locking.

[0067] In some embodiments, the second ear portion 253 and the top plate 251 can be provided in an integral manner, or can be provided in a separate manner and assembled and fixed together.

[0068] In some embodiments, the second ear portion 253 is fixed to the top plate 251 by welding or screw locking.

[0069] Ginseng Figure 1 and Figure 4In some embodiments, the fixing bracket 2 includes a housing 26, which is disposed outside the upper cover 24 and the bracket 25. The housing 26 includes a cover plate 261 and a first side plate 262 and a second side plate 263 connected to the cover plate 261. The cover plate 261 is disposed around the outer periphery of the upper cover 24. The first side plate 262 and the first ear portion 252 form a cavity 2621. The end cap 223 is located within the cavity 2621. The second side plate 263 and the second ear portion 253 form the fourth cavity 231. The housing 26 gives the camera 100 a neat appearance.

[0070] In some embodiments, the cover 26 is made of plastic to reduce the weight of the camera 100 to meet the lightweight requirement. The present application does not limit the material of the cover 26.

[0071] Ginseng Figures 8 to 11 In some embodiments, the side wall 242 is provided with a second through-hole 2421 for the output end 6 of the vertical motor 42 to pass through, the second ear portion 253 is provided with a third through-hole 2531 for the second shaft portion 323 to pass through, the body 3 includes a first turntable 327 connected to the second shaft portion 323, the first turntable 327 is located in the fourth cavity 231, and the camera 100 includes a first pulley (not shown) connecting the first turntable 327 and the output end.

[0072] In some embodiments, the output end 6 includes a main body 61 and a second turntable 62 and a third turntable 63 located at opposite ends of the main body 61, the main body 61 is located in the second through-hole 2421, the second turntable 62 is located in the fourth cavity 231, and the third turntable 63 is located in the second cavity 212. The first pulley connects the first turntable 327 and the second turntable 62, and a fourth turntable 64 is provided on the output shaft of the vertical motor 42. The camera 100 includes a second pulley (not shown) connecting the third turntable 63 and the fourth turntable 64. The diameters of the first turntable 327 and the second turntable 62 are different, and the diameters of the third turntable 63 and the fourth turntable 64 are different, so as to achieve a larger transmission ratio.

[0073] The first pulley is located in the fourth cavity 231 , and the second pulley is located in the second cavity 212 .

[0074] In some embodiments, the main body 61 is hollow to form the second wiring channel 611 .

[0075] Ginseng Figures 12 to 13In some embodiments, the camera 100 includes a first disc 43 fixed to the shaft 12, and the output end of the horizontal motor 41 is connected to the first disc 43 through a first belt 44, so that the horizontal motor 41 drives the fixed frame 2 to rotate.

[0076] In some embodiments, the camera 100 further includes a second disc 45, a third disc 46 and a second belt (not shown), wherein the first belt 44 connects the output end of the horizontal motor 41 with the second disc 45, and the second belt connects the third disc 46 with the first disc 43. The diameters of the first disc 43 and the third disc 46 are different, and the diameters of the second disc 45 and the output end of the horizontal motor 41 are different to achieve a larger transmission ratio.

[0077] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application shall be included in the scope of protection of this application.

Claims

1. A camera, characterized in that: include: A top cover enclosing a sealed first cavity; a fixing frame rotatably connected to the top cover, comprising a top, a first connecting portion, and a second connecting portion, wherein the top forms a sealed second cavity, the first connecting portion forms a sealed third cavity, and the second connecting portion forms a sealed fourth cavity; a body, having opposite ends rotatably connected to the first connecting portion and the second connecting portion, respectively; the second cavity is located above the body; the third cavity and the fourth cavity are located on opposite sides of the body, respectively; the body forms a sealed fifth cavity; and the body includes a lens located in the fifth cavity; a horizontal motor, located in the second cavity, to drive the fixing frame to rotate relative to the top cover; A vertical motor is located in the second cavity to drive the body to pitch relative to the fixing frame.

2. The camera according to claim 1, wherein A circuit board is provided in the first cavity, a vertical encoder is provided in the third cavity, the vertical encoder, the lens, the horizontal motor and the vertical motor are electrically connected to the circuit board through connecting wires, the first cavity and the second cavity are connected through a first wiring channel, the second cavity and the fourth cavity are connected through a second wiring channel, the fifth cavity and the fourth cavity are connected through a third wiring channel, and the third cavity and the fourth cavity are connected through a fourth wiring channel. The second wiring channel and the third wiring channel are sealed after wiring.

3. The camera according to claim 2, wherein: The body includes an outer shell, which encloses the fifth cavity. The outer shell includes a first axis and a second axis. The first axis is rotatably connected to the first connecting portion, and the second axis is rotatably connected to the second connecting portion. At least part of the fourth wiring channel is arranged on the first axis, and at least the third wiring channel is arranged on the second axis.

4. The camera according to claim 3, characterized in that The shell encloses a sixth cavity, the sixth cavity is connected to the fifth cavity through a wiring hole, the wiring hole is sealed, and the body includes a voice module arranged in the sixth cavity.

5. The camera according to claim 3, wherein: The fixing frame includes an upper cover and a bracket fixed to the upper cover, the upper cover includes a top wall and side walls extending from the top wall, the bracket includes a top plate and a first ear and a second ear connected to the top plate, the top wall and the top plate are arranged opposite to each other, the top wall, the side walls and the top plate form the second cavity, and the opposite ends of the fuselage are respectively rotatably connected to the first ear and the second ear.

6. The camera according to claim 5, characterized in that The first ear portion is provided with a first through-hole for the first shaft portion to pass through. The first connecting portion includes an end cover fixed to the first ear portion. The end cover and the first ear portion enclose the third cavity.

7. The camera according to claim 6, characterized in that The fixing frame includes a cover shell, which is arranged around the outside of the upper cover and the bracket. The cover shell includes a cover plate and a first side plate and a second side plate connected to the cover plate. The cover plate is arranged around the outer periphery of the upper cover. The first side plate and the first ear form a cavity. The end cover is located in the cavity. The second side plate and the second ear form the fourth cavity.

8. The camera according to claim 5, wherein: The side wall is provided with a second through-hole for the output end of the vertical motor to pass through, the second ear is provided with a third through-hole for the second shaft to pass through, the body includes a first turntable connected to the second shaft, the first turntable is located in the fourth cavity, and the camera includes a first pulley connecting the first turntable and the output end.

9. The camera according to claim 8, characterized in that The output end includes a main body and a second turntable and a third turntable located at opposite ends of the main body, the main body is located in the second through-hole, the second turntable is located in the fourth cavity, and the third turntable is located in the second cavity. The first pulley connects the first turntable and the second turntable, and a fourth turntable is provided on the output shaft of the vertical motor. The camera includes a second pulley connecting the third turntable and the fourth turntable. The diameters of the first turntable and the second turntable are different, and the diameters of the third turntable and the fourth turntable are different.

10. The camera according to any one of claims 1 to 9, characterized in that The body includes a wiper.