CN212343868U

CN212343868U - Dome camera

Info

Publication number: CN212343868U
Application number: CN202020368871.XU
Authority: CN
Inventors: 顾郑一; 李益伟
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-01-12
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a hemisphere type camera, include: the top shell is provided with a clamping groove and an accommodating space, and a retainer is arranged in the accommodating space; the upper shell is provided with a buckle, the upper shell and the top shell are movably connected with the buckle groove through the buckle in a rotating way, the upper shell is also provided with a nail fastening piece and a rotating shaft hole, and the nail fastening piece can be tightly pressed against the buckle groove after obliquely penetrating through the upper shell so as to fasten the upper shell and the lock; lens ball core subassembly establishes the rotatory ring on the lens ball core including lens ball core and cover, is equipped with the rotation axis on the rotatory ring, and rotation axis movable assembly is downthehole in the pivot, makes lens ball core subassembly and epitheca swing joint, and the tight piece of nail is tightly supported the buckle groove and can also be driven the epitheca and drive lens ball core subassembly and remove and with stopper interference fit. The utility model discloses an external regulation of hemisphere type camera triaxial, camera lens visual angle are big and do not tear open the lid and realize that the triaxial is adjusted and possess the water smoke function.

Description

Dome camera

Technical Field

The utility model relates to a video monitoring technical field especially relates to a hemisphere type camera.

Background

In the existing dome camera, the waterproof, large-angle range and convenient angle adjustment operation are the main factors considered by users. The existing similar ball camera shooting products have the following two types: the traditional hemisphere product is provided with a hemisphere-shaped spherical cover, and three-axis adjustment and fixation are performed by disassembling an upper cover; and secondly, the whole sea snail product is a sphere, the sphere is waterproof, the upper shell and the lower shell are fixed after being disassembled, and the three-axis adjustment is carried out by rotating the sphere.

In the existing camera shooting product, the problem of water mist is a difficult problem of industry public relations in the related technical field. For the water mist problem, the existing solution means are: firstly, the scheme of full sealing and drying agent can cause the drying agent to lose efficacy due to water seepage for a long time because the sealing reliability of the cable is low and gaps exist among molecules of the plastic ball cover, and the probability of water mist generation is higher; secondly, the ball cover is plated with a scheme similar to a hydrophilic film, water drops are flattened through a water film and are not condensed, so that the image effect is not influenced, but the film plating cost is high, the service life is unstable, the diaphragm is arranged around the lens of a hemispherical product with infrared rays, and the indentation of the diaphragm after compression can cause unrecoverable damage to the water film; and thirdly, the fan circulation air mist dispersing scheme is adopted, the fan has the effect of dispersing the water mist only by blowing air towards the spherical cover, but the hemispherical product has compact structure around the spherical cover, limited space for arranging the fan and higher cost of a single fan.

Meanwhile, the existing dome camera has the following defects: the upper shell assembly needs to be disassembled for three-axis adjustment of a hemispherical product, the air tightness of the whole machine is damaged after the assembly, subsequent customers cannot install the product in place, the problem of air tightness is easily solved, and meanwhile, more fixing screws need to be disassembled for three-axis adjustment and cover disassembly of the hemisphere, so that the disassembly and assembly process is complicated; and the ball cover is easy to be damaged by disassembling the cover, which causes bad effects on images and infrared.

In the related art, a better technical solution for solving the above technical problems is still lacking.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a dome camera that can achieve a wide-angle lens, can achieve three-axis adjustment without removing a cover, and has a function of removing water mist.

In order to solve the above technical problem, the utility model provides a technical scheme as follows: a dome camera, comprising:

the top shell is provided with a clamping groove and an accommodating space, and a stop piece is arranged in the accommodating space;

the upper shell is provided with a buckle, a nail fastening piece and a rotating shaft hole, the upper shell and the top shell are movably connected with the buckle groove through the buckle in a rotating mode, the nail fastening piece can penetrate through the upper shell in an inclined mode and then is tightly abutted to the buckle groove in a nail fastening mode, and the upper shell and the top shell are locked and fastened;

the lens ball core assembly is provided with a rotating shaft, the rotating shaft is movably assembled in the rotating shaft hole, so that the lens ball core assembly is movably connected with the upper shell and extends into the accommodating space, the nail tight part is tightly pressed against the clamping groove and can also drive the upper shell to drive the lens ball core assembly to move towards the stop piece and be in interference fit with the stop piece.

In the hemispherical camera, the lens spherical core assembly is assembled on the upper shell through the rotating shaft, the upper shell rotating buckle is rotatably matched on the top shell, only the nailing piece on the upper shell needs to be loosened for three-axis adjustment and fixation, and three-axis rotation external adjustment can be realized through locking/opening and closing the nailing piece, so that the three-axis adjustment efficiency is improved; meanwhile, the lens ball core assembly is integrally arranged, waterproof parts do not need to be disassembled during three-axis adjustment, the assembling steps are reduced, and the risk of improper installation of waterproof failure can be reduced.

In one embodiment, in order to realize the integral waterproof structural design of the lens spherical core, the lens spherical core assembly comprises a lens spherical core and a rotating ring sleeved on the lens spherical core, and the lens spherical core can rotate by taking the axial lead of the rotating ring as a rotation axis; the lens ball core comprises a ball core upper cover and a ball core lower cover which are fixedly connected through a fastener, and a waterproof rubber ring for water prevention is pressed between the ball core upper cover and the ball core lower cover; the upper cover of the ball core and the lower cover of the ball core are fixedly connected to form an inner cavity for assembling the lens, and the upper cover of the ball core is provided with a shading part and an optical mirror surface.

According to the arrangement, the lens ball core is sleeved on the rotating ring and axially rotates along the rotating ring, so that the rotation of three-axis rotation is realized; the lens ball core is an integral body, and waterproof parts do not need to be disassembled when the lens ball core is adjusted in a three-axis mode, so that the waterproof failure risk caused by improper installation is reduced; the upper cover of the ball core is a transparent optical spherical cover, the field angle of the lens is large, and the lens is compatible with a large wide-angle lens.

In one embodiment, in order to realize that the infrared lamp heats the upper cover of the ball core to remove water mist, a support is further arranged in the inner cavity, the infrared lamp is mounted on the support, a heat conduction ring for conducting heat and blocking light is attached to the support, the heat conduction ring is in interference fit with the upper cover of the ball core, and the support, the infrared lamp and the heat conduction ring form a heating assembly for removing mist from the upper cover of the ball core.

According to the arrangement, the infrared lamp is arranged in the lens ball core, the infrared lamp conducts heat/radiates heat through the support, the heat conduction ring in interference fit with the ball core upper cover is attached to the support, the heat conduction ring can block light, the infrared problem caused by the fact that light of the infrared lamp directly penetrates into the lens is avoided, the heat conduction ring conducts the heat of the infrared lamp to the ball core upper cover, the ball core upper cover is heated, the water mist condensation condition is damaged, and accordingly the defogging purpose is achieved; the heat conduction ring is matched with the bracket for heat conduction, and the upper cover of the ball core is heated by utilizing the self power consumption of the infrared lamp to remove water mist; according to the arrangement, redundant structural parts are not required to be added, the problem of solving by utilizing the heat inside the machine is effectively solved, and the device is low in cost, simple and reliable.

In one embodiment, in order to ensure that the upper shell and the top shell are firmly assembled and the lens ball core assembly, the upper shell and the top shell are coaxially centered after the three shafts are adjusted, two nailing pieces are symmetrically arranged on the upper shell.

In one of them embodiment, in order to realize that the external regulation of hemisphere camera triaxial is firm with top shell assembly, the buckle groove be equipped with the tight inclined plane of nailing of the lock of buckle, the nail fastening piece is the screw that screws, just the screw be equipped with the tight conical head of nail of tight inclined plane adaptation, match on the epitheca the screw that screw set up position department is equipped with the slope, the screw with the screw spiro union is running through make behind the epitheca the tight conical head of nail support in the tight inclined plane of nail makes top shell with the epitheca lock attaches the fastening and/or makes lens ball core subassembly remove towards the retainer and with retainer interference fit.

So set up, the tight screw of nail passes through the screw top on the tight inclined plane of nail, when the tight screw of nail was screwed up, the effect on the tight inclined plane of nail can make the epitheca lean on towards the epitheca, both can screw up more and lean on tightly, the tight screw top of nail has also restricted the level between epitheca and the epitheca and has rotated simultaneously, be equipped with the retainer that is used for supporting camera lens ball core subassembly on the epitheca, when the tight screw of nail was screwed up, retainer and camera lens ball core subassembly produce win interference, it leans on towards the epitheca more to screw up the epitheca, it is big more to interfere, finally support the camera lens ball core subassembly, rotation and every single move rotation are all limited, loosen the tight screw of nail, the triaxial is rotatable again, can realize triaxial regulation through locking/the tight piece.

In one embodiment, in order to realize the stable rotating buckle connection between the upper shell and the top shell, the upper shell is provided with two buckles which are symmetrically arranged and are rotatably buckled with the buckle groove.

In one embodiment, in order to make the lens ball core assembly be stably jacked, four stopping pieces are arranged in the accommodating space at equal intervals; or, the stop piece is a silica gel pad.

In one of them embodiment, in order to realize that the epitheca is connected with the rotatory buckle of epitheca and restriction camera lens ball core left and right turning angle, the epitheca with the end that the rotatory buckle of epitheca is connected still is equipped with the rotation direction spacing groove, the radian of rotation direction spacing groove is less than 360, the epitheca with the end that the epitheca is connected is established the direction gear muscle, the epitheca with during the rotatory buckle of epitheca is connected, the direction gear muscle inlays to be located in the rotation direction spacing inslot and follow the rotation direction spacing groove is rotatory.

So set up, inlay through direction gear muscle and locate rotatory direction spacing groove, the epitheca that makes can push up the shell level relatively and control the rotation, simultaneously, again because the non-whole circle of guide way of rotatory direction spacing groove, direction gear muscle can be blocked by rotatory direction spacing groove cutting part along rotatory direction spacing groove swivelling movement in-process to the direction gear muscle that makes can not follow the unlimited rotation of rotatory direction spacing groove and the rotation of the epitheca that makes can only be less than a week relatively.

In one embodiment, in order to limit the pitching rotation angle of the lens ball core assembly movably assembled in the upper case and the lens ball core, the rotating shaft is disposed on the rotating ring, the upper case is provided with two rotating shaft holes symmetrically disposed by taking the center of the upper case as a symmetric center, the bottom of at least one rotating shaft hole is further provided with a limiting notch, two rotating shafts are disposed on the outer side of the circumference of the rotating ring and protrude outwards along a diameter direction of the rotating ring, at least one outer edge of the rotating shaft is radially extended with a blocking rib, and when the rotating shaft is movably assembled in the rotating shaft hole, the blocking rib is embedded in the limiting notch, rotates in the limiting notch and limits the pitching rotation angle of the lens ball core assembly.

So set up, through rotation axis and pivot hole counterpoint, make camera lens ball core subassembly assemble in the epitheca and revolve pivot hole axle center and rotate, through set up the shelves muscle at the rotation axis outer fringe, the downthehole spacing breach that establishes of pivot limits camera lens ball core subassembly every single move turned angle.

In one embodiment, the lens core assembly is tilted by an angle of 0 ° to 90 °.

In one embodiment, in order to realize the movable connection between the lens ball core and the rotating ring, a rotating groove is arranged on the lens ball core, a concave-convex groove is arranged in the rotating groove, a concave-convex table matched with the concave-convex groove is arranged on the inner side wall of the rotating ring, the rotating ring and the lens ball core are movably connected through the movable joggle joint of the concave-convex table and the concave-convex groove, and the lens ball core can rotate by taking the axial lead of the rotating ring as a rotation axis.

So set up, through tongue and groove and unsmooth platform adaptation, make rotatory ring cover establish on the camera lens ball core outside and make the camera lens ball core can rotate around the axial lead rotation of rotatory ring.

In one embodiment, for limiting the self-rotation angle of the lens ball core, ball core limiting stop ribs for limiting the self-rotation angle of the lens ball core are arranged on the concave boss and the concave and convex groove.

So set up, set up the spacing shelves muscle of ball core through concave convex platform and tongue and groove on, restriction camera lens ball core is from changeing the angle, through blockking of the spacing shelves muscle of ball core for axial rotation between camera lens ball core and the rotatory ring can only be less than a week, can not unlimited rotation, prevents the stranded conductor.

In one embodiment, for the purpose of quickly assembling the dome camera, a quick-mounting plate is further arranged at the top end of the top shell, a plurality of clamping grooves are further formed in the inner side wall of the top end of the top shell, a plurality of first buckles matched with the clamping grooves are arranged at the bottom end of the quick-mounting plate, a plurality of locking seats are further arranged at the bottom end of the quick-mounting plate, first fasteners penetrating through the top shell and extending into the top shell to be fixedly connected with the locking seats are arranged on the top shell, and the quick-mounting plate is fixedly connected with the locking seats through the first buckles, the first fasteners and the locking seats.

So set up, through fast fishplate bar and the first fastener lock of top shell buckle pre-buckling and cooperation and attach to it is fixed to make hemisphere type camera rapid Assembly.

In one embodiment, in order to meet a use scene with further requirements on the functions of the camera, a function expansion box is further arranged on the lens ball core assembly in the top shell.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of section C of FIG. 2;

FIG. 6 is an exploded view of FIG. 1;

fig. 7 is a structural view of the top case of the embodiment of the present invention;

fig. 8 is a structural view of the upper case and the lens core assembly according to the embodiment of the present invention after assembly;

FIG. 9 is an enlarged cross-sectional view taken at D in FIG. 8;

FIG. 10 is an exploded front view of a lens core assembly;

fig. 11 is an exploded view of the lens core assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Fig. 1 is an overall schematic view of a dome camera according to an embodiment of the present invention. The lens of the illustrated hemispherical camera can rotate in three axes, the overall shape is designed to be a sphere-like shape, the angle of view of the lens is large, the lens can be compatible with a large wide-angle lens, and the hemispherical camera can realize three-axis external adjustment without disassembling a cover.

Referring to fig. 1 to 11, a dome camera according to an embodiment of the present invention includes:

the top shell 100, the top shell 100 has a containing space 101, there are several stoppers 4 in the containing space 101, still make the buckle slot 102 on the top shell 100;

the upper shell 200 is provided with a buckle 22 matched with the buckle groove 102, the upper shell 200 and the top shell 100 are movably connected by the buckle 22 rotating and buckled in the buckle groove 102, the upper shell 200 can rotate left and right (refer to an arrow shown in figure 1) by taking the axial lead of the upper shell 200 as a vertical rotating shaft (namely, the central axis of the upper shell 200 and is coaxial with the central axis of the top shell 100), the upper shell 200 is also provided with a nail fastening piece 5 and a rotating shaft hole 21, the nail fastening piece 5 can be tightly abutted against the buckle groove 102 after obliquely penetrating through the upper shell 200, and the upper shell 200 and the top shell 100 are locked and fastened;

the lens ball core assembly 300 is provided with a rotating shaft 33, the axial lead of the rotating shaft 33 is set as a horizontal rotating shaft (refer to a horizontal dotted line in fig. 10), the rotating shaft 33 is movably assembled in the rotating shaft hole 21 (refer to fig. 9), so that the lens ball core assembly 300 is movably connected with the upper shell 200 and extends into the accommodating space 101, the lens ball core assembly 300 can rotate around the horizontal rotating shaft in a pitching manner, the nailing piece 5 can tightly abut against the buckling groove 102 and can also drive the upper shell 200 to drive the lens ball core assembly 300 to move towards the stop piece 4 and be in interference fit with the stop piece 4, and the stop piece 4 can limit the three-axis rotation of the lens ball core assembly 300.

The hemispherical camera is designed in an overall modeling imitation spherical mode, the impact of an appearance visual angle is small, and the hiding performance is good; in the above dome camera, the lens core assembly 300 is assembled to the upper case 200 through the rotation shaft 33, and the lens core assembly 300 can tilt and rotate with the rotation shaft 33 as a horizontal rotation shaft, thereby realizing the vertical rotation of the dome camera by three-axis rotation; the upper shell 200 is rotatably buckled and matched with the top shell 100 in a rotating way, and the upper shell 200 can drive the lens ball core assembly 300 to rotate left and right by taking the central axis of the top shell 100 as a vertical rotating shaft, so that the horizontal rotation of the three-axis rotation of the hemispherical camera is realized; in the hemispherical camera, the three-axis adjustment and fixation can be realized only by loosening the nailing piece 5 on the upper shell 200 and locking/unlocking the nailing piece 5, so that the three-axis rotation external adjustment can be realized, and the three-axis adjustment efficiency is improved; in the above-mentioned dome camera, lens core 31 is whole setting, need not tear waterproof part open during the triaxial is adjusted, can reduce the improper waterproof inefficacy risk of installation.

According to the arrangement, when the nailing piece 5 is used for nailing tightly, the nailing piece 5 is used for enabling the upper shell 200 to lean against the top shell 100, the upper shell and the top shell are more and more tight, the nailing piece 5 also limits horizontal rotation between the upper shell 200 and the top shell 100 when jacking, the top shell 100 is provided with the stop piece 4 used for abutting against the lens ball core assembly 300, when the nailing piece 5 is used for nailing tightly, the stop piece 4 and the lens ball core assembly 300 generate win-win interference and can abut against the lens ball core assembly 300, rotation and pitching rotation are limited, the nailing piece 5 is loosened, three shafts can rotate again, and three-shaft external adjustment of the dome camera is achieved through locking/opening/closing the nailing piece 5.

In one embodiment, in order to realize the overall waterproof structure design of the lens spherical core 31, the lens spherical core assembly 300 includes the lens spherical core 31 and a rotating ring 32 sleeved on the lens spherical core 31, and the lens spherical core 31 can rotate by taking the axial line of the rotating ring 32 as a rotation axis (refer to the vertical dotted line in fig. 10); the lens core 31 includes a core upper cover 315 and a core lower cover 316 fixedly connected by a fastener (not shown in the figure), and a waterproof rubber ring 317 for water proofing is pressed between the core upper cover 315 and the core lower cover 316; the core upper cover 315 and the core lower cover 316 are fixedly connected to form an inner cavity (not numbered in the drawing) for assembling the lens 001, and the core upper cover 315 is provided with a light shielding portion 301 and an optical mirror 302.

With the arrangement, the lens ball core 31 is sleeved on the rotating ring 32, so that the lens ball core 31 axially rotates along the rotating ring 32, and the three-axis rotation of the hemispherical camera is realized; the lens ball core 31 is an integral body, and waterproof parts (waterproof rubber rings) do not need to be disassembled during three-axis adjustment, so that the waterproof failure risk caused by improper installation is reduced; the spherical core upper cover 315 is a transparent optical spherical cover, and the lens has a large field angle and can be compatible with a large wide-angle lens; the lens ball core 31 and the rotating ring 32 are designed to be disassembled, the three-axis adjustment and fixation only need to loosen the nail fastening piece 5 on the upper shell, the assembly steps of disassembly and assembly are reduced, and the three-axis adjustment efficiency is improved.

It should be understood that the lens core 31 is self-integrated, improving the single function of the universal spherical cover as an optical cover, and by using the core upper cover 315 as a structural member, the fastener 314 passes through the core lower cover 316 and is directly locked with the core upper cover 315; the optical treatment of the exposed parts of the lens 001 and the infrared lamp 6, the treatment of the rest parts by the transmission removing process, the transmission removing can be surface coarse pattern covering, also can be silk-screen printing opaque part treatment and the like, the purpose is to cover the rest structural parts in the interior without being exposed, the appearance is attractive, a waterproof rubber ring 317 is arranged between the ball core upper cover 315 and the ball core lower cover 316, and the waterproof rubber ring is waterproof after pressing.

In one embodiment, in order to achieve the water mist removal of the ball core upper cover 315 heated by the infrared lamp 6, a support 7 is further arranged in the inner cavity, the infrared lamp 6 is mounted on the support 7, a heat conduction ring 8 for conducting heat and blocking light is attached to the support 7, the heat conduction ring 8 is further in interference fit with the ball core upper cover 315, and the support 7, the infrared lamp 6 and the heat conduction ring 8 form a heating assembly for removing the mist of the ball core upper cover 315.

According to the arrangement, the infrared lamp 6 is arranged in the lens ball core 31, the infrared lamp 6 conducts heat/radiates heat through the support 7, the heat conduction ring 8 in interference fit with the ball core upper cover 315 is attached to the support 7, the heat conduction ring 8 can block light, the infrared problem caused by the fact that light of the infrared lamp 6 directly penetrates into the lens is avoided, the heat conduction ring 8 also conducts the heat of the infrared lamp 6 to the ball core upper cover 315, the ball core upper cover 315 is heated, the water mist condensation condition is damaged, and accordingly the defogging purpose is achieved; the heat conduction is carried out by matching the heat conduction ring 8 with the bracket 7, and the infrared lamp 6 is used for heating the ball core upper cover 315 by self power consumption to remove water mist; according to the arrangement, redundant structural parts are not required to be added, the problem of solving by utilizing the heat inside the machine is effectively solved, and the device is low in cost, simple and reliable.

It can be understood that in order to make the three-axis adjustment, the upper shell 200 and the top shell 100 are assembled firmly and make the lens ball core assembly 300, the upper shell 200 and the top shell 100 coaxially centered, in one embodiment, two nailing pieces 5 are symmetrically arranged on the upper shell 200.

It can be understood that, in order to realize the three-axis external adjustment of the hemispherical camera and to firmly assemble the top case 200 and the top case 100, in one embodiment, the fastening groove 102 is provided with a screw fastening inclined plane 103 for fastening with the fastener 22, the fastening member 5 is a screw fastening screw, the screw fastening screw is provided with a screw fastening conical head 51 adapted to the screw fastening inclined plane 103, an inclined screw hole 23 is provided on the top case 200 at a position matching with the screw fastening screw, the screw fastening screw is screwed with the screw hole 23 and abuts against the screw fastening inclined plane 103 after penetrating through the top case 200, so that the top case 100 and the top case 200 are fastened in a locked manner and/or the lens ball core assembly 300 moves towards the stop 4 and is in interference fit with the stop 4.

According to the arrangement, the screw is pressed against the screw pressing inclined plane 103 through the screw hole 23, when the screw is screwed down, the upper shell 200 is pressed against the top shell 100 under the action of the screw pressing inclined plane 103, the screw is pressed against the upper shell more closely, horizontal rotation between the upper shell 200 and the top shell 100 is limited at the same time, the top shell 100 is provided with the stop piece 4 for pressing against the lens ball core assembly 300, when the screw is screwed down, the stop piece 4 and the lens ball core assembly 300 generate win-win interference, the screw is pressed against the upper shell 200 more closely to the top shell 100, the interference is larger, the lens ball core assembly 300 is finally pressed against, rotation and pitching rotation are limited, the screw is loosened, the three shafts are rotatable, and three-shaft adjustment can be realized through locking/opening/closing the screw clamping piece 5.

It is understood that in order to achieve a smooth rotational snap-fit connection of the upper case 200 and the top case 100, in one embodiment, two snaps 22 are provided on the upper case 200, which are symmetrically disposed and rotationally snap-fit with the snap groove 102.

It can be understood that, in order to make the lens core assembly 300 be stably jacked, in one embodiment, four stoppers 4 are disposed in the accommodating space 101 at equal intervals; in one embodiment, the stop 4 is a silicone pad. Of course, the stopper 4 may be a soft pad, and the stopper 4 of the lens core assembly 300 is suitable for the stopper 4 of the present embodiment.

It can be understood that, in order to realize the rotary buckle connection of the top case 200 and the top case 100 and to limit the left and right rotation angles of the lens ball core 31, in one embodiment, the end of the top case 100 connected with the top case 200 by the rotary buckle is further provided with a rotary guide limiting groove 104, the radian of the rotary guide limiting groove 104 is less than 360 °, the end of the top case 200 connected with the top case 100 is provided with the guide gear rib 24, and when the top case 100 connected with the top case 200 by the rotary buckle, the guide gear rib 24 is embedded in the rotary guide limiting groove 104 and rotates along the rotary guide limiting groove 104.

So set up, inlay through direction gear muscle 24 and locate rotatory direction spacing groove 104, the relative top shell 100 level of epitheca 200 that makes is controlled and is rotated, simultaneously, again because the non-whole circle of guide way of rotatory direction spacing groove 104, direction gear muscle 24 can be blocked by rotatory direction spacing groove 104 truncation part along rotatory direction spacing groove 104 swivelling movement in-process, thereby the direction gear muscle 24 that makes can not follow rotatory direction spacing groove 104 and infinitely rotate and the relative rotation that pushes up shell 100 of epitheca 200 that makes can only be less than a week.

It can be understood that, in order to limit the pitching rotation angle of the lens core assembly 300 movably assembled to the upper casing 200 and the lens core 31, in one embodiment, the rotation shaft 33 is disposed on the rotation ring 32, two rotation shaft holes 21 symmetrically disposed with respect to the center of the upper casing 200 as the symmetric center are disposed on the upper casing 200, a limit notch 25 is further disposed at the bottom of at least one rotation shaft hole 21, two rotation shafts 33 are outwardly protruded along a diameter direction of the rotation ring 32 on the outer circumferential side of the rotation ring 32, a stop rib 34 is radially expanded on the outer edge of at least one rotation shaft 33, and when the rotation shaft 33 is movably assembled in the rotation shaft hole 21, the stop rib 34 is embedded in the limit notch 25 and rotates in the limit notch 25 and limits the pitching rotation angle of the lens core assembly 300 with the axial lead of the rotation shaft 33 as the horizontal.

In this way, the lens ball core assembly 300 is assembled on the upper case 200 and rotates around the axis of the rotation shaft hole 21 by aligning the rotation shaft 33 with the rotation shaft hole 21, and the pitching rotation angle of the lens ball core assembly 300 is limited by arranging the stop rib 34 at the outer edge of the rotation shaft 33 and arranging the limit notch 25 in the rotation shaft hole 21.

In one embodiment, the lens core assembly 300 rotates in a pitching manner at an angle of 0 ° to 90 °, that is, the central angle corresponding to the limiting notch 25 is 0 ° to 90 °.

It can be understood that, in order to realize the movable connection between the lens ball core 31 and the rotating ring 32, in one embodiment, a rotating groove 311 is provided on the lens ball core 31, a concave-convex groove 312 is provided in the rotating groove 311, a concave-convex table 321 matching with the concave-convex groove 312 is provided on the inner side wall of the rotating ring 32, the rotating ring 32 and the lens ball core 31 are movably connected by movably joggling the concave-convex table 321 and the concave-convex groove 312, and the lens ball core 31 can rotate by taking the axial lead of the rotating ring 32 as a rotation axis.

With such an arrangement, the concave-convex groove 312 is matched with the concave-convex table 321, so that the rotating ring 32 is sleeved on the outer side of the lens ball core 31 and the lens ball core 31 can rotate around the axial lead of the rotating ring 32.

In one embodiment, in order to limit the rotation angle of the lens core 31, the concave-convex table 321 and the concave-convex groove 312 are both provided with a core limiting stop rib 313 for limiting the rotation angle of the lens core 31.

So set up, set up the spacing shelves muscle 313 of ball core through concave convex base 321 and tongue and groove 312 on, restriction camera lens ball core 31 angle of rotation through blockking of the spacing shelves muscle 313 of ball core for axial rotation between camera lens ball core 31 and the rotatory ring 32 can only be less than a week, can not unlimited rotation, prevents the stranded conductor.

In one embodiment, for the purpose of fast assembly of the dome camera, a fast mounting plate 600 is further disposed at the top end of the top case 100, a plurality of clamping grooves 11 are further disposed on the inner side wall of the top end of the top case 100, a plurality of first fasteners 61 adapted to the clamping grooves 11 are disposed at the bottom end of the fast mounting plate 600, a plurality of locking seats 62 are further disposed at the bottom end of the fast mounting plate 600, a first fastener 9 penetrating through the top case 100 and extending into the top case 100 and then fixedly connected to the locking seats 62 is disposed on the top case 100, and the fast mounting plate 500 is fastened to the clamping grooves 11 through the first fasteners 61 and fixedly connected to the locking seats 62 through the first fasteners 9.

So set up, through fast fishplate bar 600 with top shell 100 buckle pre-buckling and cooperate first fastener 9 lock to it is fixed to make hemisphere type camera rapid Assembly.

In one embodiment, in order to meet the use scenario that further demands are made on the camera function, a function expansion box 700 is further disposed on the lens core assembly 300 in the top case 100.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. A dome camera, comprising:

the top shell (100) is provided with a clamping groove (102) and an accommodating space (101), and a stop piece (4) is arranged in the accommodating space (101);

the upper shell (200) is provided with a buckle (22), a nailing piece (5) and a rotating shaft hole (21), the upper shell (200) and the top shell (100) are in rotary buckle movable connection with the buckle groove (102) through the buckle (22), and the nailing piece (5) can penetrate through the upper shell (200) in an inclined mode and then is tightly abutted to the buckle groove (102) in a nailing mode, so that the upper shell (200) and the top shell (100) are locked and fastened;

lens ball core subassembly (300) is equipped with rotation axis (33), rotation axis (33) movable assembly in pivot hole (21), make lens ball core subassembly (300) with epitheca (200) swing joint and stretch into in accommodation space (101), nail tight the support of nail retaining member (5) buckle groove (102) can also transmit epitheca (200) drive lens ball core subassembly (300) orientation stopper (4) remove and with stopper (4) interference fit.

2. A dome camera according to claim 1, wherein said lens core assembly (300) comprises a lens core (31) and a rotating ring (32) fitted around said lens core, said lens core (31) being capable of rotating around the axis of said rotating ring (32); the lens ball core (31) comprises a ball core upper cover (315) and a ball core lower cover (316) which are fixedly connected through a fastener, and a waterproof rubber ring (317) for water prevention is pressed between the ball core upper cover (315) and the ball core lower cover (316); the upper spherical core cover (315) and the lower spherical core cover (316) are fixedly connected to form an inner cavity for assembling the lens (001), and the upper spherical core cover (315) is provided with a shading part (301) and an optical mirror surface (302).

3. The dome camera according to claim 2, wherein a support (7) is further disposed in the inner cavity, an infrared lamp (6) is mounted on the support (7), a heat conduction ring (8) for conducting heat and blocking light is attached to the support (7), the heat conduction ring (8) is further in interference fit with the ball core upper cover (315), and the support (7), the infrared lamp (6) and the heat conduction ring (8) form a heating assembly for defogging the ball core upper cover (315).

4. Dome camera in accordance with claim 1 characterized in that said upper shell (200) is provided symmetrically with two said nailing members (5).

5. The dome camera according to claim 4, wherein the fastening groove (102) is provided with a fastening inclined plane (103) fastened with the fastening member (22), the fastening member (5) is a fastening screw provided with a fastening conical head (51) adapted to the fastening inclined plane (103), the upper case (200) is provided with an inclined screw hole (23) at a position matched with the fastening screw, the fastening screw is screwed with the screw hole (23) and abuts against the fastening inclined plane (103) with the fastening conical head (51) after penetrating through the upper case (200), so that the top case (100) and the upper case (200) are fastened tightly and/or the lens ball core assembly (300) moves towards the stopper in an interference fit manner and is engaged with the stopper (4).

6. The dome camera according to claim 1, wherein said upper case (200) is provided with two symmetrically arranged buckles (22) rotatably buckled with said buckle groove (102).

7. Dome camera in accordance with claim 1 characterized in that four equally spaced stops (4) are provided in the receiving space (101); or the stop piece (4) is a silica gel pad.

8. The dome camera according to claim 1, wherein a rotation guide limiting groove (104) is further formed in the end, connected with the upper shell (200) in a rotating and buckling manner, of the top shell (100), the radian of the rotation guide limiting groove (104) is smaller than 360 degrees, a guide gear rib (24) is arranged at the end, connected with the top shell (100), of the upper shell (200), and when the top shell (100) is connected with the upper shell (200) in a rotating and buckling manner, the guide gear rib (24) is embedded in the rotation guide limiting groove (104) and rotates along the rotation guide limiting groove (104).

9. Dome camera in accordance with claim 2 characterized in that the rotation axis (33) is provided on the rotation ring (32), the upper shell (200) is provided with two rotating shaft holes (21) which are symmetrically arranged by taking the center of the upper shell (200) as a symmetrical center, the bottom of at least one rotating shaft hole (21) is also provided with a limiting notch (25), two rotating shafts (33) are arranged on the outer side of the circumference of the rotating ring (32) in an outward protruding way along the diameter direction of the rotating ring, the outer edge of at least one rotating shaft (33) is provided with a blocking rib (34) in a radial expanding way, when the rotating shaft (33) is movably assembled in the rotating shaft hole (21), the blocking rib (34) is embedded in the limiting notch (25) and rotates in the limiting notch (25) to limit the pitching rotation angle of the lens ball core assembly (300) by taking the axial lead of the rotating shaft (33) as a horizontal rotating shaft.

10. Dome camera in accordance with claim 9 characterized in that the lens core assembly (300) is tilted by an angle of 0 ° to 90 °.

11. The dome camera according to claim 2, wherein a rotation groove (311) is provided on the lens core (31), a concave-convex groove (312) is provided in the rotation groove (311), a concave-convex boss (321) matching with the concave-convex groove (312) is provided on an inner side wall of the rotation ring (32), and the rotation ring (32) and the lens core (31) are movably connected by movably joggling the concave-convex boss (321) and the concave-convex groove (312), so that the lens core (31) can rotate around an axis of the rotation ring (32).

12. A dome camera according to claim 11, wherein the concave-convex platform (321) and the concave-convex groove (312) are provided with a core-limiting stop rib (313) for limiting the rotation angle of the lens core (31).

13. The dome camera according to any one of claims 1 to 12, wherein a quick-mounting plate (600) is further disposed at a top end of the top shell (100), a plurality of clamping grooves (11) are further disposed on an inner side wall of the top end of the top shell (100), a plurality of first fasteners (61) adapted to the clamping grooves (11) are disposed at a bottom end of the quick-mounting plate (600), a plurality of locking seats (62) are further disposed at a bottom end of the quick-mounting plate (600), first fasteners (9) penetrating through the top shell (100) and extending into the top shell (100) and then fixedly connected to the locking seats (62) are disposed on the top shell (100), and the quick-mounting plate (600) is fixedly connected to the clamping grooves (11) through the first fasteners (61) and fixedly connected to the locking seats (62) through the first fasteners (9).

14. The dome camera according to claim 13, wherein a function expansion box (700) is further disposed on the lens core assembly (300) in the top case (100).