CN212792043U

CN212792043U - Abutting device of windshield wiper of explosion-proof camera

Info

Publication number: CN212792043U
Application number: CN202021177028.XU
Authority: CN
Inventors: 吴张龙
Original assignee: Changzhou Yuantai Electronic Co ltd
Current assignee: Changzhou Yuantai Electronic Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-26
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to a tight-supporting device of an explosion-proof camera windshield wiper, which belongs to the technical field of the camera windshield wiper, and comprises an explosion-proof camera, wherein a primary motor is fixed outside the explosion-proof camera, a windshield wiper component for cleaning a lens of the explosion-proof camera is connected on the primary motor, the windshield wiper component comprises a control shaft, the control shaft is in screw connection with an output shaft of the primary motor, the other end of the control shaft is connected with a swing rod, one end of the swing rod, which is close to the lens of the explosion-proof camera, is provided with a rubber brush plate, and the rubber brush plate is positioned outside the lens of the explosion-proof camera and is abutted; the swing rod is far away from one end of the control shaft and is fixedly connected with a limiting rod, the limiting rod is far away from one end of the second rotating rod and is fixedly connected with a first sliding block, and a guide rail for the first sliding block to slide is arranged outside the camera explosion-proof shield. The utility model discloses the effect that the quality was shot to the improvement camera has.

Description

Abutting device of windshield wiper of explosion-proof camera

Technical Field

The utility model belongs to the technical field of the technique of the appearance windshield wiper of making a video recording and specifically relates to a support tight device of explosion-proof camera windshield wiper is related to.

Background

The explosion-proof camera belongs to explosion-proof monitoring products and is a cross product of the explosion-proof industry and the monitoring industry, and the explosion-proof camera can be qualified only by products which have an explosion-proof function and have related certificates issued by national authorities because conventional camera products cannot be used on sites with high-risk flammability and explosiveness.

The chinese patent with publication number CN202617253U discloses a waterproof pan/tilt/zoom camera with windshield wiper, including the pan/tilt mount pad, pan/tilt and camera, wherein, the bottom of camera housing is equipped with a bracket plate with the pan/tilt junction, the pivot of windshield wiper is connected with the location to the bracket plate, set up ball bearing through the rotation junction at pivot and bracket plate, and rotate the design that the junction adds two oil sealings at the front end, make outside rainwater can be effectively by the separation in the casing outside, and the utility model discloses a pivot and bracket plate's connection is more firm reliable, and the life of rotating the junction can prolong, and the rotatory resistance of pivot is also littleer moreover.

The above prior art solutions have the following drawbacks: the wiper junction appears becoming flexible easily after long-term work for wiper and lens surface laminating degree reduce, influence the clean effect of wiper, and then influence the shooting quality of camera.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a tight device of supporting of explosion-proof camera windshield wiper, it has the effect that improves the camera and shoot the quality.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a tight abutting device of an explosion-proof camera windshield wiper comprises an explosion-proof camera, wherein a primary motor is fixed outside the explosion-proof camera, a windshield wiper component used for cleaning a lens of the explosion-proof camera is connected onto the primary motor, the windshield wiper component comprises a control shaft and a swing rod, one end of the control shaft is connected with an output shaft of the primary motor, the other end of the control shaft is connected with the swing rod, a rubber brush plate is arranged at one end, close to the lens of the explosion-proof camera, of the swing rod, and the rubber brush plate is located outside the lens of the explosion-proof camera and is abutted against the lens of the explosion-proof camera; the camera explosion-proof protection cover is characterized in that one end, far away from the control shaft, of the swing rod is fixedly connected with a limiting rod, one end, far away from the swing rod, of the limiting rod is fixedly connected with a first sliding block, and a guide rail for the first sliding block to slide is arranged outside the camera explosion-proof protection cover.

By adopting the technical scheme, when the lens of the explosion-proof camera is stained and influenced for shooting, the primary motor is turned on, the output shaft of the primary motor rotates to further drive the control shaft connected to the output shaft of the primary motor to rotate, the control shaft rotates to drive the swing rod to rotate together, and then the rubber plate brush plate is driven to rotate to clean the lens of the explosion-proof camera;

when the wiper subassembly during operation, the pendulum rod rotates, owing to the setting of guide rail and first slider for the gag lever post of connection on the pendulum rod is rotatory together, gives the pendulum rod a pulling force to explosion-proof camera lens direction, ensures to conflict between rubber brush board and explosion-proof camera lens, improves the clearance effect, and then improves the shooting quality.

The present invention may be further configured in a preferred embodiment as: the pendulum rod with the one end of control shaft connection sets up to the snap ring, the snap ring cover is established on the control shaft and is connected through adjusting screw between with the control shaft, the snap ring orientation the pendulum rod direction is provided with the screens piece, pendulum rod and screens piece fixed connection.

By adopting the technical scheme, when the swing rod is installed, the clamping ring is slid on the control shaft, the position of the swing rod connected with the clamping ring is adjusted, the swing rod is fixed at the corresponding position by the adjusting screw, then the distance between the rubber brush plate connected with the swing rod and the lens of the explosion-proof camera is controlled, the rubber brush plate can be abutted against the lens of the explosion-proof camera, and the screw is screwed at the corresponding position of the clamping ring to be fixed on the control shaft, so that the operation is convenient.

The present invention may be further configured in a preferred embodiment as: the swing rod comprises a first swing rod and a second swing rod which are sequentially arranged along the lens direction of the explosion-proof camera, the first swing rod and the second swing rod are connected through two limiting units, the second swing rod is hinged with a support rod, and the support rod is fixedly connected with the rubber brush plate.

Through adopting the above technical scheme, when installing the second dwang, fix through spacing unit, the dismantlement between first dwang and second dwang has been realized, and the rubber brush board separates through bracing piece and second dwang, when clearing up explosion-proof camera lens, the bracing piece that articulates on the second dwang drives the whole rotation together of rubber brush board, the free allowance of rubber brush board has been improved, make the rubber brush board wholly can support tightly between explosion-proof camera lens, it fails whole and supports tightly with explosion-proof camera lens to reduce the rubber brush board to appear, the condition of effectively clearing up is carried out to it.

The present invention may be further configured in a preferred embodiment as: spacing unit is including setting up pothook on the second dwang and the spring post of setting on first dwang, the spring post is fixed with expanding spring towards second dwang direction, expanding spring keeps away from the one end of spring post and is connected with the second slider, the spout has been seted up towards one side of second slider to first dwang, sliding connection between second slider and spout, the second slider is kept away from expanding spring one end and is connected with the connecting wire that is used for with the pothook lock.

Through adopting above-mentioned technical scheme, during the installation second dwang, the connecting wire cover that will be located on the second slider of first dwang both sides is on the pothook of corresponding second dwang, because the spring takes place elastic deformation, a pulling force has been given to the second slider, a pulling force has been given again to the second slider, make first dwang support tightly each other with the second dwang, the spacing unit's of bilateral symmetry setting has increased the fixed stability of second dwang, during the change, pulling both sides connecting wire makes it break away from the pothook, loading and unloading are convenient.

The present invention may be further configured in a preferred embodiment as: the first rotating rod and the second rotating rod are respectively provided with a clamping groove and a clamping block at opposite ends, and the clamping block is inserted in the clamping groove.

Through adopting above-mentioned technical scheme, when installing the second dwang, insert the fixture block on the second dwang earlier and locate corresponding first dwang draw-in groove, cooperate spacing unit, the skew between first dwang and second dwang has been reduced when fixed.

The present invention may be further configured in a preferred embodiment as: the anti-explosion camera comprises a camera anti-explosion shield and a camera main body arranged in the camera anti-explosion shield, wherein one end of the camera anti-explosion shield, facing a camera main body lens, is arranged to be an opening, an anti-explosion lens is fixedly connected to the opening of the camera anti-explosion shield, a side tube is arranged on the side wall of the camera anti-explosion shield, the camera anti-explosion shield is connected with a cradle head table body, the cradle head table body comprises a cylinder body, a sleeve is arranged on the side wall of the cylinder body, and the side tube is rotatably connected with the sleeve.

Through adopting above-mentioned technical scheme, the camera main part can adopt ordinary camera, cooperation camera explosion-proof guard shield and explosion-proof lens reduce manufacturing cost and reuse, when shooting regional the change, can rotate explosion-proof appearance of making a video recording and adjust convenient nimble.

The present invention may be further configured in a preferred embodiment as: the novel side drum is characterized in that a secondary motor is arranged in the drum body, a worm is fixedly connected to an output shaft of the secondary motor, a first rotating column is fixedly connected to one end, facing the drum body, of the side drum, the first rotating column extends into the drum body, a worm wheel is fixedly connected to one end, located in the drum body, of the side drum, and the worm wheel are meshed.

Through adopting above-mentioned technical scheme, when the cloud platform integument of installing explosion-proof camera appearance is fixed in the place that will carry out the shooting, the operator drives the rotation of worm at the control cabinet through the rotation of controlling the second grade motor, the worm drives the rotation rather than the worm wheel of meshing again, the worm wheel drives the rotation of first rotation post then and drives the side tube and rotate, the rotation under the explosion-proof camera appearance remote control has been realized, when explosion-proof camera appearance is in high altitude construction, the angular adjustment to explosion-proof camera appearance has been simplified, the shooting scope of explosion-proof camera appearance has been increased, flexibility when shooing has been improved, make this explosion-proof camera appearance's range of application wider.

The present invention may be further configured in a preferred embodiment as: the improved roller bearing is characterized in that a positioning seat is arranged below the roller body, a transmission hole is formed in the top end of the positioning seat, a second rotating column penetrating through the transmission hole is arranged below the roller body, a plurality of balls are arranged below the roller body along the axial direction of the roller body in an equidistant mode, the balls are located between the roller body and the positioning seat and are abutted against the positioning seat, a second bevel gear is arranged at one end, located in the positioning seat, of the second rotating column, a three-stage motor is fixedly arranged in the positioning seat, a first bevel gear is fixedly connected to an output shaft of the three-stage motor, and the first bevel.

Through adopting above-mentioned technical scheme, when horizontal shooting regional change, it is rotatory to control tertiary motor, and then it is rotatory to drive first bevel gear, first bevel gear drives rather than the second bevel gear rotation of meshing, it is rotatory to control the second rotation post, the second rotates the rotation of post and can drive the barrel rotation, the horizontal adjustable of explosion-proof camera appearance has been realized, make camera main part camera lens can move towards the region that needs to shoot, the tilting of explosion-proof camera appearance of deuterogamying, adjust the camera lens to best angle and shoot, the shooting range of this explosion-proof camera appearance has been increased, and the setting of a plurality of balls, frictional force between barrel and positioning seat has been reduced, make the shooting more nimble and high-efficient.

The present invention may be further configured in a preferred embodiment as: the top of the camera explosion-proof shield is provided with a rain baffle, a plurality of rain-proof support columns are arranged between the rain baffle and the camera explosion-proof shield, and the rain baffle is arranged towards the one end of the explosion-proof lens in a protruding mode.

Through adopting above-mentioned technical scheme, this explosion-proof appearance of making a video recording is in outdoors to when the condition of rain appears, the weather shield is located the top of whole explosion-proof appearance of making a video recording, shelters from it, reduces in the rainwater gets into the explosion-proof guard shield of camera, and then damages the possibility of whole circuit, and simultaneously, the weather shield is towards the one end protrusion setting of camera main part camera lens, has reduced the rainwater and has got into explosion-proof lens, and then reduces the condition of shooting effect, has improved the shooting effect of this cloud platform of making a video recording in rainy day.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the clamping ring which can slide on the control shaft on the windshield wiper component enables the installation and the replacement of the swing rod to be very convenient, the rubber brush plate can be abutted against the surface of the explosion-proof lens through adjustment, the installation and the replacement are simple and convenient, and the cleaning effect of the explosion-proof lens can be improved;

2. the setting of the limiting rod fixed on the swing rod is matched with the sliding of the upper sliding block of the limiting rod in the guide rail, so that the rubber brush plate can always keep a tight state with the explosion-proof lens during working, the cleaning is cleaner and more thorough, and the shooting quality of the explosion-proof camera after cleaning is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural view of the rain-shielding support column according to the present embodiment.

Fig. 3 is a schematic structural diagram for embodying the wiper blade assembly of the present embodiment.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic diagram of a card slot and a card block connecting structure according to the embodiment.

Fig. 6 is a schematic diagram for showing a rotary connection structure of the cylinder in the embodiment.

Fig. 7 is a schematic diagram of the worm and gear connecting structure of the present embodiment.

Fig. 8 is a schematic structural diagram for showing the positional relationship between the secondary motor and the cylinder in the present embodiment.

In the figure, 1, a tripod head platform body; 11. a barrel; 12. a sleeve; 2. an explosion-proof camera; 21. a camera main body; 22. a camera explosion-proof shield; 23. an explosion-proof lens; 24. a side cylinder; 3. a wiper assembly; 31. a first-stage motor; 32. a control shaft; 321. a set screw; 33. a swing rod; 331. a first rotating lever; 3311. a card slot; 332. a second rotating lever; 3321. a clamping block; 333. a limiting unit; 3331. a chute; 3332. a spring post; 3333. a tension spring; 3334. a second slider; 3335. a connecting wire; 3336. a hook; 34. a snap ring; 341. a bit block; 342. an adjusting screw; 35. a support bar; 351. a rubber brush plate; 4. a limiting rod; 41. a first slider; 42. a guide rail; 5. a secondary motor; 51. a first rotating column; 52. a worm gear; 53. a worm; 6. positioning seats; 61. a drive bore; 62. a second rotating cylinder; 63. a ball bearing; 64. a first bevel gear; 65. a second bevel gear; 66. a three-stage motor; 7. a rain shield; 71. rain-proof support column.

Detailed Description

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

As fig. 1, for the utility model discloses a support tight device of explosion-proof camera windshield wiper, including cloud platform stage 1 and explosion-proof camera 2, cloud platform stage 1 includes inside hollow barrel 11, barrel 11 lateral wall is provided with sleeve 12, explosion-proof camera 2 includes the explosion-proof guard shield 22 of camera and is located the camera main part 21 of the explosion-proof guard shield 22 of camera, the explosion-proof guard shield 22 of camera is established to the opening with the one end that camera main part 21 camera lens orientation is unanimous, the explosion-proof lens 23 of the explosion-proof guard shield 22 opening part fixedly connected with, explosion-proof lens 23 supports tightly each other with the explosion-proof guard shield 22 of camera, make camera main part 21 not directly expose in shooting environment such as high pressure, the explosion-proof guard shield 22 of camera is provided with the side section of thick bamboo 24 of being connected with sleeve 12 rotation towards barrel 11 one side, can.

As shown in fig. 2, the camera explosion-proof shield 22 is screwed with a plurality of rain-proof supporting columns 71, the rain-proof supporting columns 71 are fixed with a rain-proof plate 7 positioned above the camera explosion-proof shield 22 through screws, the rain-proof plate 7 is arranged towards the one end of the explosion-proof lens 23 in a protruding manner, rainwater entering the surface of the explosion-proof lens 23 in rainy days is reduced, and the normal shooting condition of the explosion-proof camera 2 is influenced.

As shown in fig. 3, the camera explosion-proof shield 22 is provided with a wiper assembly 3 for cleaning the explosion-proof lens 23, when it is rained or the explosion-proof lens 23 is stained, so that the shooting precision of the explosion-proof camera 2 is reduced, the wiper assembly 3 includes a control shaft 32, a swing rod 33 and a first-stage motor 31, the first-stage motor 31 is fixed on the outer wall of the camera explosion-proof shield 22 and located below the rain baffle 7, one end of the control shaft 32 is hollow and sleeved on the output shaft of the first-stage motor 31, the side wall of the control shaft 32 is in threaded connection with a screw, one end of the screw extending into the control shaft 32 is abutted against the output shaft of the first-stage motor 31, the control shaft 32 is fixed, so that the control shaft 32 is detachable, the other end of the control shaft 32 is sleeved with a snap ring 34 and connected with the snap ring 34 through an adjusting screw 342.

As shown in fig. 3, a clamping block 341 is arranged on a side wall of the clamping ring 34, the swing link 33 includes a first swing link 331 and a second swing link 332, the first swing link 331 and the second swing link 332 are connected by a limiting unit 333, the limiting unit 333 is provided with two swing links and symmetrically distributed about the first swing link 331, the first swing link 331 is hinged on the clamping block 341, one end of the second swing link 332, which is far away from the first swing link 331, is hinged with a support rod 35, a rubber brushing plate 351 is fixedly connected on the support rod 35, and the rubber brushing plate 351 can integrally rotate along with the support rod 35.

As shown in fig. 1 and 3, a guide rail 42 is welded on the camera explosion-proof shield 22, the guide rail 42 is coaxial with the control shaft 32, a first slider 41 is slidably connected in the guide rail 42, the first slider 41 is T-shaped, which reduces the occurrence of the situation that the first slider 41 is separated from the guide rail 42, one end of the second rotating rod 332, which is far away from the first rotating rod 331, protrudes out of the camera explosion-proof camera 2, one end of the second rotating rod 332, which is protruding, is welded with a limiting rod 4, one end of the limiting rod 4, which is far away from the second rotating rod 332, is welded with the first slider 41, when the wiper operates, the limiting rod 4 rotates along with the second rotating rod 332, the first slider 41 slides along the guide rail 42, the second rotating rod 332 is pulled by the limiting rod 4, so that the distance between the second rotating rod 332 and the explosion-proof lens 23 is kept constant, and the supporting rod 35 drives the rubber brush plate 351, the cleaning effect of the explosion-proof lens 23 is enhanced, so that the shooting precision of the explosion-proof camera 2 is improved.

As shown in fig. 5, a clamping groove 3311 is formed at an end of the first rotating rod 331 opposite to the second rotating rod 332, a clamping block 3321 matched with the clamping groove 3311 is disposed at a corresponding position of the second rotating rod 332, and the clamping block 3321 is inserted into the clamping groove 3311.

As shown in fig. 3 and 4, the limiting unit 333 includes a hook 3336, a connecting wire 3335 and a second sliding block 3334, the hook 3336 is disposed on a side wall of the second rotating rod 332, one end of the connecting wire 3335 is sleeved on the hook 3336, the other end of the connecting wire 3335 is connected to the second sliding block 3334, the second sliding block 3334 is slidably connected to the first rotating rod 331, a sliding slot 3331 for the second sliding block 3334 to slide is disposed on the first rotating rod 331, one end of the second sliding block 3334 located in the sliding slot 3331 is T-shaped, one end of the second sliding block 3334 departing from the connecting wire 3335 is fixedly connected with a spring, one end of the spring away from the second sliding block 3334 is fixed with a spring post 3332, the spring post 3332 is welded on the second rotating rod 332, when the rubber brush plate 351 is damaged or falls down, the connecting wires 3335 on both sides are taken down from the hook 3336, the supporting rod 35.

As shown in fig. 7 and 8, a secondary motor 5 for controlling the rotation of the explosion-proof camera 2 is installed in the barrel 11, a worm 53 is coaxially fixed on an output shaft of the secondary motor 5, a first rotating column 51 is fixedly connected to the side barrel 24, a worm wheel 52 is coaxially fixed on the first rotating column 51, the worm 53 is driven to rotate by controlling the secondary motor 5, and then the worm wheel 52 is controlled to rotate, the worm wheel 52 drives a second rotating column 62 to rotate, and then the side barrel 24 is driven to rotate, so that the up-and-down angle of the explosion-proof camera 2 is adjustable, the shooting area is controllable, the flexibility is high, and the application range is wide.

As shown in fig. 6, a positioning seat 6 is disposed below a cylinder 11, a third-stage motor 66 is fixedly disposed at the bottom of the positioning seat 6, a first bevel gear 64 is welded on an output shaft of the third-stage motor 66, a transmission hole 61 with a circular cross section is separately disposed at the center portion of the top end of the positioning seat 6, a second rotary column 62 penetrating through the transmission hole 61 is disposed at the lower end of the cylinder 11, a second bevel gear 65 is coaxially fixed at one end of the second rotary column 62 extending into the positioning seat 6, the second bevel gear 65 is engaged with the first bevel gear 64, a plurality of balls 63 are embedded in the bottom surface of the cylinder 11 and equidistantly distributed along the circumferential direction of the cylinder, the balls 63 can freely roll, the balls 63 abut against the top of the positioning seat 6, the third-stage motor 66 is started to control the first bevel gear 64 to rotate, and further drive the second bevel gear 65 to rotate, the second rotary column 62 drives the, the shooting space is enlarged, and the application range of the explosion-proof camera 2 is enlarged.

The implementation principle of the embodiment is as follows: the anti-explosion camera 2 is installed at a proper position of a required monitoring area, the positioning seat 6 is fixed, the anti-explosion camera 2 and the barrel 11 are controlled to rotate by adjusting the secondary motor 5 and the tertiary motor 66, the angle of the anti-explosion camera 2 is adjusted, the area required to be observed is monitored in real time, when stains exist on rainfall or the anti-explosion lens 23, the primary motor 31 is opened, the control wiper assembly 3 cleans the surface of the anti-explosion lens 23, the limiting rod 4 can rotate along with the wiper assembly 3, the rubber wiper plate 351 is integrally supported tightly with the surface of the anti-explosion lens 23 all the time, the cleaning effect is improved, and the shooting quality of the anti-explosion camera 2 is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an anti-explosion camera windshield wiper's tight device that supports which characterized in that: the anti-explosion camera shooting device comprises an anti-explosion camera shooting device (2), wherein a primary motor (31) is fixed outside the anti-explosion camera shooting device (2), a wiper component (3) used for cleaning a lens of the anti-explosion camera shooting device (2) is connected onto the primary motor (31), the wiper component (3) comprises a control shaft (32) and a swing rod (33), one end of the control shaft (32) is connected with an output shaft of the primary motor (31), the other end of the control shaft (32) is connected with the swing rod (33), a rubber brush plate (351) is arranged at one end, close to the lens of the anti-explosion camera shooting device (2), of the swing rod (33), and the rubber brush plate (351) is located outside the lens of the anti-explosion camera shooting device (2) and is abutted against the lens;

control shaft (32) one end fixedly connected with gag lever post (4) are kept away from in pendulum rod (33), first slider (41) of pendulum rod (33) one end fixedly connected with are kept away from in gag lever post (4), explosion-proof camera appearance (2) are provided with outside and supply gliding guide rail (42) of first slider (41).

2. The tightening device of an explosion-proof camera wiper as defined in claim 1, wherein: pendulum rod (33) with the one end that control shaft (32) are connected sets up to snap ring (34), snap ring (34) cover establish on control shaft (32) and with control shaft (32) between be connected through adjusting screw (342), snap ring (34) orientation pendulum rod (33) direction is provided with screens piece (341), pendulum rod (33) and screens piece (341) fixed connection.

3. The tightening device of an explosion-proof camera wiper as defined in claim 2, wherein: pendulum rod (33) are including first dwang (331) and second dwang (332), first dwang (331) one end is connected with screens piece (341), first dwang (331) and second dwang (332) are connected through two spacing units (333), it has bracing piece (35) to articulate on second dwang (332), bracing piece (35) and rubber brush board (351) fixed connection.

4. A holding device for an explosion-proof camera wiper as defined in claim 3, wherein: spacing unit (333) is including setting up pothook (3336) on second dwang (332) and spring post (3332) of setting on first dwang (331), spring post (3332) are fixed with expanding spring (3333) towards second dwang (332) direction, the one end that spring post (3332) were kept away from in expanding spring (3333) is connected with second slider (3334), spout (3331) have been seted up towards one side of second slider (3334) in first dwang (331), sliding connection between second slider (3334) and spout (3331), expanding spring (3333) one end is kept away from in second slider (3334) is connected with connecting wire (3335) that are used for with pothook (3336) lock.

5. A holding device for an explosion-proof camera wiper as defined in claim 3, wherein: the first rotating rod (331) and the second rotating rod (332) are respectively provided with a clamping groove (3311) and a clamping block (3321) at opposite ends, and the clamping block (3321) is inserted in the clamping groove (3311).

6. The tightening device of an explosion-proof camera wiper as defined in claim 1, wherein: explosion-proof appearance (2) of making a video recording includes camera explosion-proof guard shield (22) and camera main part (21) of setting in camera explosion-proof guard shield (22), camera explosion-proof guard shield (22) is established to the opening towards the one end of camera main part (21) camera lens, camera explosion-proof guard shield (22) opening part fixedly connected with explosion-proof lens (23), camera explosion-proof guard shield (22) lateral wall is provided with side section of thick bamboo (24), camera explosion-proof guard shield (22) are connected with cloud platform body (1), cloud platform body (1) includes barrel (11), barrel (11) lateral wall is provided with sleeve (12), side section of thick bamboo (24) are rotated with sleeve (12) and are connected.

7. The tightening device of an explosion-proof camera wiper as defined in claim 6, wherein: be provided with second grade motor (5) in barrel (11), fixedly connected with worm (53) on second grade motor (5) output shaft, first rotation post (51) of one end fixedly connected with of barrel (11) is faced in side section of thick bamboo (24), first rotation post (51) extend to in barrel (11), and be located one end fixedly connected with worm wheel (52) in barrel (11), mesh between worm (53) and worm wheel (52).

8. The tightening device of an explosion-proof camera wiper as defined in claim 6, wherein: the improved barrel is characterized in that a positioning seat (6) is arranged below the barrel body (11), a transmission hole (61) is formed in the top end of the positioning seat (6), a second rotating column (62) penetrating through the transmission hole (61) is arranged below the barrel body (11), a plurality of balls (63) are arranged on the lower portion of the barrel body (11) along the axis circumference in an equal distance mode, the balls (63) are located between the barrel body (11) and the positioning seat (6) and abut against the positioning seat (6), a second bevel gear (65) is arranged at one end, located in the positioning seat (6), of the second rotating column (62), a three-level motor (66) is fixedly arranged in the positioning seat (6), a first bevel gear (64) is fixedly connected to an output shaft of the three-level motor (66), and the first bevel gear (64) and the second.

9. The tightening device of an explosion-proof camera wiper as defined in claim 6, wherein: the anti-explosion camera lens is characterized in that a rain shield (7) is arranged at the top of the anti-explosion camera shield (22), a plurality of rain shield support columns (71) are arranged between the rain shield (7) and the anti-explosion camera shield (22), and the rain shield (7) is arranged towards one end of the anti-explosion lens (23) in a protruding mode.