Camera

Abstract

A camera, comprising a top cover assembly, a camera body and a horizontal electric motor. The top cover assembly comprises a first upper cover, a second upper cover, a first lower cover and a second lower cover, wherein a first through hole is provided in the middle of the first upper cover, a second through hole is provided in the middle of the first lower cover, the second upper cover is fixed to the first upper cover and covers the first through hole, and the second lower cover is fixed to the first lower cover and covers the second through hole. The density of the material of the second upper cover is higher than the density of the material of the first upper cover, and the density of the material of the second lower cover is higher than the density of the material of the first lower cover. The camera body is rotationally connected to the second lower cover, so as to rotate relative to the top cover assembly in the circumferential direction thereof. The camera body comprises a first camera lens, and the horizontal electric motor is fixed to either the top cover assembly or the camera body to drive the camera body to rotate. The first upper cover and the first lower cover bear no weight of the whole camera and are each made of a light material, thereby reducing the weight and manufacturing costs of the camera on the premise of not affecting the overall strength of the camera.

Description

Camera

[0001] The present application claims priority to the Chinese patent application No. 202411345247.7, filed on September 25, 2024, and entitled "Camera", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of video monitoring, in particular to a camera. BACKGROUND

[0003] The existing camera drives the camera assembly to rotate by a motor to meet the demand of larger monitoring range.

[0004] However, the existing camera adopts more metal parts, which leads to the camera being heavy, inconvenient for installation and transportation, and high cost, and is not convenient for promotion. SUMMARY

[0005] The present application provides a camera with light weight and low cost.

[0006] The present application provides a camera, comprising a top cover assembly, a body and a horizontal motor, the top cover assembly comprises a first upper cover, a second upper cover, a first lower cover and a second lower cover, a first through hole is arranged in the middle of the first upper cover, a second through hole is arranged in the middle of the first lower cover, the second upper cover is fixed with the first upper cover and covers the first through hole, the second lower cover is fixed with the first lower cover and covers the second through hole, the density of the material of the second upper cover is higher than the density of the material of the first upper cover, the density of the material of the second lower cover is higher than the density of the material of the first lower cover, the body is rotationally connected with the second lower cover to rotate relative to the top cover assembly along the circumferential direction thereof, the body comprises a first lens, and the horizontal motor is fixed with one of the top cover assembly and the body to drive the body to rotate relative to the top cover assembly along the circumferential direction thereof.

[0007] The top cover assembly of the camera of the present application comprises a first upper cover, a second upper cover, a first lower cover and a second lower cover, the density of the material of the second upper cover is higher than the density of the material of the first upper cover, the density of the material of the second lower cover is higher than the density of the material of the first lower cover, the first upper cover and the first lower cover do not bear the weight of the whole machine, and are made of lighter material, which reduces the weight and cost of the camera without affecting the overall strength of the camera. BRIEF DESCRIPTION OF DRAWINGS

[0008] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application. The above and other features and advantages of the present application will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0009] Fig. 1a is a perspective view of a camera according to an embodiment of the present application;

[0010] Fig. 1b is an exploded view of the camera shown in Fig. 1a from a first perspective;

[0011] Fig. 1c is an exploded view of the camera shown in Fig. 1a from another perspective;

[0012] Fig. 2 is another exploded view of the camera shown in Fig. 1a;

[0013] Fig. 3 is a cross-sectional view of the camera shown in Fig. 1a;

[0014] Fig. 4 is an enlarged view of the circled portion at A of the cross-sectional view shown in Fig. 3;

[0015] Fig. 5 is a view of the fixed frame and vertical motor of the camera shown in Fig. 2 after assembly;

[0016] Fig. 6 is a view of the top cover assembly of the camera shown in Fig. 1a from one perspective (the top cover is not shown);

[0017] Fig. 7 is an enlarged view of the circled portion at B of the top cover assembly shown in Fig. 6;

[0018] Fig. 8 is a bottom view of the top cover assembly shown in Fig. 6;

[0019] Fig. 9 is an enlarged view of the circled portion at C of the top cover assembly shown in Fig. 8;

[0020] Fig. 10a is a view of the second lower cover, the machine upper cover and the power assembly of the camera shown in Fig. 2 before assembly;

[0021] Fig. 10b is a view of the view shown in Fig. 10a from another perspective;

[0022] Fig. 11a is a view of the structure of the second lower cover shown in Fig. 10a;

[0023] Fig. 11b is a view of the structure of the second lower cover shown in Fig. 10a from another perspective;

[0024] Fig. 11c is a view of the structure of the machine upper cover shown in Fig. 10a;

[0025] Fig. 11d is a view of the structure of the machine upper cover shown in Fig. 10a from another perspective;

[0026] Fig. 11e is a view of the structure of the compression member and the first bearing shown in Fig. 10a fixedly connected;

[0027] Fig. 12 is a view of the power assembly shown in Fig. 10a;

[0028] Figure 13 is an exploded view of the power assembly shown in Figure 12;

[0029] Figure 14 is a partial cross-sectional schematic diagram of the power assembly shown in Figure 12;

[0030] Figure 15 is another cross-sectional view of the camera shown in Figure 1a;

[0031] Figure 16 is an enlarged view of the circled portion at point D in the cross-sectional schematic diagram shown in Figure 15;

[0032] Figure 17 is a cross-sectional view of the first lower cover, the second lower cover, and a part of the fuselage shown in Figure 2 after assembly;

[0033] Figure 18 is an enlarged view of the circled portion at point E in the cross-sectional schematic diagram shown in Figure 17;

[0034] Figure 19a is a schematic diagram of the first and second upper covers shown in Figure 2 before assembly;

[0035] Figure 19b is a schematic diagram of the first upper cover, the second upper cover, and the top cover shown in Figure 2 before assembly;

[0036] Figure 20a is a schematic diagram of the structure of the first upper cover shown in Figure 2;

[0037] Figure 20b is a structural schematic diagram of the first upper cover shown in Figure 2 from another perspective;

[0038] Figure 20c is a schematic diagram of the structure of the second upper cover shown in Figure 2;

[0039] Figure 20d is a structural schematic diagram of the second upper cover shown in Figure 2 from another perspective;

[0040] Figure 20e is a schematic diagram of the structure of the first lower cover shown in Figure 2;

[0041] Figure 20f is a structural schematic diagram of the first lower cover shown in Figure 2 from another perspective.

[0042] : Camera 100, top cover assembly 1, second cavity 101, second lens 102, main plate 11; First upper cover 12, first through hole 121, second connecting hole 122, third connecting hole 123; Second upper cover 13, first assembly hole 131, receiving groove 132, protrusion 133, first connecting hole 134, first fastener 135; First lower cover 14, second through hole 141, receiving groove 142, fixed part 143, arc-shaped part 144, fourth connecting hole 145, lens window 146, fifth connecting hole 147; Second lower cover 15, second assembly hole 150, first rotating shaft 151, wire passing hole 1511, fixed column 152, recessed groove 1521, second fastener 153; Limiting screw 161, fourth screw 162, fifth screw 163, sixth screw 164, seventh screw 165, eighth screw 166; First sealing member 171, second sealing member 172, main body part 1721, side part 1722, gap groove 1723, third sealing member 173, fourth sealing member 174, fifth sealing member 175, sixth sealing member 176; Top cover 18, mounting point 181, cavity 182; Body 2, body upper cover 20, pressing part 201, sixth connecting hole 202, positioning part 203, seventh connecting hole 204, first through hole 205, connecting plate 206; Fixed frame 21, connecting screw 210, first bearing 211, first cavity 212, vertical motor 213, horizontal part 214, vertical part 215, second through hole 2151, second bearing 216, synchronous belt 217, shaft part 218, first limiting hole 219, camera assembly 22, first lens 221, second rotating shaft 222, rotating disc 223, shielding member 23; Power assembly 3, auxiliary main plate 30, horizontal motor 31, first rotating disc 32, first synchronous belt 33, second rotating disc 34, third rotating disc 35, second synchronous belt 36, synchronous wheel 37, first screw 371, force applying member 38, fixed seat 39, second screw 390, through hole 391, second limiting hole 392, convex ring 393, receiving space 394, third bearing 301, fixed rod 302, fixed screw 303; Fixed member 4. DETAILED DESCRIPTION

[0043] To make the objects, technical solutions, and advantages of the present application clearer, further detailed description will be made to the present application with reference to the drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0044] The technical solutions in the embodiments (or modes) of the present application will be clearly and completely described with reference to the drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

[0045] If the application embodiments involve directional indications or positional relationships (for example, up, down, left, right, front, back, in, out, 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 certain specific posture (as shown in the drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first", "second", etc. in the application embodiments are only used for convenience of description, and cannot be understood as indicating or implying relative importance.

[0046] Referring to FIGS. 1a-3, FIG. 1a is a perspective view of a camera according to an embodiment of the present application; FIG. 1b is an exploded view of the camera shown in FIG. 1a from a first perspective; FIG. 1c is an exploded view of the camera shown in FIG. 1a from another perspective; FIG. 2 is another exploded view of the camera shown in FIG. 1a; and FIG. 3 is a cross-sectional view of the camera shown in FIG. 1a. The camera 100 according to the embodiment of the present application includes a top cover assembly 1, a body 2, and a power assembly 3. The body 2 includes a first lens 221. The body 2 is rotationally connected to the top cover assembly 1 to rotate relative to the top cover assembly 1 in a circumferential direction thereof to adjust a monitoring range of the first lens 221.

[0047] In some embodiments, the top cover assembly 1 is configured to be fixed to a fixing device (such as a support or a wall, etc.) to achieve mounting and fixing of the camera 100. The top cover assembly 1 includes a first upper cover 12, a second upper cover 13, a first lower cover 14, and a second lower cover 15. The first upper cover 12 has a first through hole 121 in a middle portion thereof. The first lower cover 14 has a second through hole 141 in a middle portion thereof. The second upper cover 13 is fixed to the first upper cover 12 and covers the first through hole 121. The second lower cover 15 is fixed to the first lower cover 14 and covers the second through hole 141. The second upper cover 13 is made of a material having a higher density than the material of the first upper cover 12. The second lower cover 15 is made of a material having a higher density than the material of the first lower cover 14. The body 2 is rotationally connected to the second lower cover 15.

[0048] In some embodiments, the power assembly 3 is fixed to one of the top cover assembly 1 and the body 2 to drive the body 2 to rotate relative to the top cover assembly 1 in a circumferential direction thereof.

[0049] The top cover assembly 1 of the camera 100 in the embodiments of the present application comprises a first upper cover 12, a second upper cover 13, a first lower cover 14 and a second lower cover 15, the material of the second upper cover 13 has a higher density than the material of the first upper cover 12, the material of the second lower cover 15 has a higher density than the material of the first lower cover 14, the first upper cover 12 and the first lower cover 14 do not bear the weight of the whole camera 100, are made of light material, and reduce the weight and cost of the camera 100 without affecting the overall strength of the camera 100.

[0050] In some embodiments, the power assembly 3 comprises a horizontal motor 31 to drive the body 2 to rotate circumferentially relative to the top cover assembly 1.

[0051] In some embodiments, referring to FIGS. 1a-4, FIG. 4 is an enlarged view of the circled portion at A of the cross-sectional view shown in FIG. 3, and FIG. 5 is a schematic view of the fixed frame and the vertical motor of the camera shown in FIG. 2 after assembly; the power assembly 3 comprises a horizontal motor 31 to drive the body 2 to rotate circumferentially relative to the top cover assembly 1; the top cover assembly 1 comprises a first rotating shaft 151, and the body 2 is formed by assembling the body upper cover 20 and the fixed frame 21. The body upper cover 20 is provided with a first through hole 205, the body 2 comprises a first bearing 211 assembled in the first through hole 205, the outer ring of the first bearing 211 is fixed to the body 2, the first rotating shaft 151 is fixed to the inner ring of the first bearing 211, and the first rotating shaft 151 is provided with a wire hole 1511 for the connecting wire connected to the main board 11 to pass through, so as to ensure the smoothness of the rotation of the body 2.

[0052] In some embodiments, the first rotating shaft 151 can also be arranged on the body 2, and correspondingly, the first through hole 205 is arranged on the top cover assembly 1.

[0053] In some embodiments, as shown in FIG. 3, the body 2 encloses a first cavity 212, and the horizontal motor 31 of the power assembly 3 is located in the first cavity 212.

[0054] In some embodiments, the top cover assembly 1 encloses a second cavity 101, and the power assembly 3 is located in the second cavity 101.

[0055] In some embodiments, the first lens 221 is a zoom lens.

[0056] In some embodiments, as shown in FIG. 5, the body 2 comprises a fixed frame 21 and a camera assembly 22 rotationally connected to the fixed frame 21, the fixed frame 21 is rotationally connected to the top cover assembly 1, the first lens 221 is arranged on the camera assembly 22, and the fixed frame 21 comprises a vertical motor 213 to drive the camera assembly 22 to pitch relative to the fixed frame 21.

[0057] In some embodiments, as shown in FIG. 2, FIG. 3 and FIG. 5, the fixing frame 21 comprises a horizontal part 214 and a pair of vertical parts 215 connected with the horizontal part 214, the camera assembly 22 is located between the horizontal part 214 and the pair of vertical parts 215, the vertical part 215 comprises a second through hole 2151, the body 2 comprises a second bearing 216 assembled in the second through hole 2151, the outer ring of the second bearing 216 is fixed with the vertical part 215, the camera assembly 22 comprises a second rotating shaft 222, the second rotating shaft 222 is fixed with the inner ring of the second bearing 216.

[0058] In some embodiments, as shown in FIG. 6 and FIG. 7, FIG. 6 is a schematic view of the top cover assembly of the camera shown in FIG. 1a (the top cover is not shown), and FIG. 7 is an enlarged view of the circular part at B of the top cover assembly shown in FIG. 6, wherein the view angle shown in FIG. 6 is the top view of the top cover assembly. The horizontal part 214 encloses a first cavity 212, the vertical motor 213 is located in the first cavity 212, the body 2 comprises a synchronous belt 217 connecting the output shaft of the vertical motor 213 and the second rotating shaft 222. The first through hole 205 is provided on the body top cover 20, and the first through hole 205 is in communication with the first cavity 212.

[0059] In some embodiments, as shown in FIG. 5, the camera assembly 22 comprises a rotating disc 223 fixed with the second rotating shaft 222, and the synchronous belt 217 connects the output shaft of the vertical motor 213 and the rotating disc 223.

[0060] In some embodiments, the vertical motor 213 is located in the vertical part 215.

[0061] In some embodiments, as shown in FIG. 3 and FIG. 4, the top cover assembly 1 comprises a main board 11 located in the second cavity 101, the horizontal motor 31, the vertical motor 213, the first lens 221 and the second lens 102 are electrically connected with the main board 11; the first rotating shaft 151 is provided with a wire passing hole 1511 for the connecting wire connected with the main board 11 to pass through.

[0062] In some embodiments, as shown in FIG. 5, the body 2 comprises a pair of shielding pieces 23 respectively fixed with the pair of vertical parts 215, so as to cover the vertical parts 215, and cover the rotating disc 223 and the synchronous belt 217, so that the outer surface of the fixing frame 21 is neat.

[0063] In some embodiments, the horizontal part 214 and the pair of vertical parts 215 are force-bearing parts made of metal; the shielding piece 23 is made of plastic, which is light in weight and low in cost.

[0064] In some embodiments, as shown in FIG. 3 and FIG. 4, the horizontal motor 31 and the vertical motor 213 are both located in the first cavity 212 and are located on opposite sides of the first rotating shaft 151 respectively, so as to raise the distance between the center of gravity of the camera 100 and the mounting point 181 of the top cover assembly 1, facilitate the center of gravity balancing of the inside of the camera assembly 22, reduce the vibration disturbance, improve the dynamic stiffness, and realize the image stabilization. Through tests, the image stability of the camera 100 is improved by more than one time.

[0065] In some embodiments, the distance between the horizontal motor 31 and the vertical motor 213 and the first rotating shaft 151 is the same, which can shorten the eccentric force arm, reduce the rotational inertia, and improve the dynamic stability.

[0066] In some embodiments, the orientation of the output shaft of the horizontal motor 31 is perpendicular to the orientation of the output shaft of the vertical motor 213.

[0067] In some embodiments, the output shaft of the horizontal motor 31 is upward.

[0068] In some embodiments, as shown in FIG. 6, the top cover assembly 1 comprises a plurality of second lenses 102, and the plurality of second lenses 102 are sequentially arranged along the circumferential direction of the top cover assembly 1, so as to expand the monitoring range of the camera 100.

[0069] In some embodiments, the second lens 102 is a fixed-focus panoramic lens.

[0070] In some embodiments, the second lens 102 is eight, which realizes eight-lens panoramic splicing. The number of the second lens 102 is not limited in the application, and can be adjusted according to actual needs, or the second lens 102 can not be arranged.

[0071] In some embodiments, the first lens 221 and the second lens 102 are electrically connected with the main board 11.

[0072] Referring to FIGS. 6-14, FIG. 8 is a bottom view of the top cover assembly shown in FIG. 6; FIG. 9 is an enlarged view of the circled portion at C of the top cover assembly shown in FIG. 8; FIG. 10a is a schematic view of the second lower cover, the machine body cover, and the power assembly before assembly; FIG. 10b is a schematic view of the schematic view shown in FIG. 10a from another angle; FIG. 11a is a structural schematic view of the second lower cover shown in FIG. 10a; FIG. 11b is a structural schematic view of the second lower cover from another angle shown in FIG. 10a; FIG. 11c is a structural schematic view of the machine body cover shown in FIG. 10a; FIG. 11d is a structural schematic view of the machine body cover from another angle shown in FIG. 10a; FIG. 11e is a structural schematic view of the compression member and the first bearing fixedly connected; FIG. 12 is a schematic view of the power assembly shown in FIG. 10a; FIG. 13 is an exploded view of the power assembly shown in FIG. 12; and FIG. 14 is a partial cross-sectional schematic view of the power assembly shown in FIG. 12. In some embodiments, the power assembly 3 is located in the first cavity 212.

[0073] As shown in FIGS. 7, 10a, and 13, the power assembly 3 further includes a first rotating disc 32, a first synchronous belt 33, a second rotating disc 34, a third rotating disc 35, a second synchronous belt 36, and a synchronous wheel 37.

[0074] As shown in FIGS. 7, 10a, and 13, the first rotating disc 32 is fixed with the output shaft of the horizontal motor 31, the first synchronous belt 33 connects the first rotating disc 32 and the second rotating disc 34, the third rotating disc 35 is fixed with the second rotating disc 34 and forms a double-layer structure, the second synchronous belt 36 connects the third rotating disc 35 and the synchronous wheel 37, and the synchronous wheel 37 is connected with the machine body 2, so that the horizontal motor 31 drives the machine body 2 to rotate circumferentially. The diameters of the first rotating disc 32 and the second rotating disc 34 are different, and the diameters of the third rotating disc 35 and the synchronous wheel 37 are different, so as to achieve a larger transmission ratio, realize a large torque output under high rotation speed, and drive a machine body 2 with a larger weight; and the power assembly 3 occupies a small space, which meets the requirement of insufficient internal space of the camera 100.

[0075] In some embodiments, as shown in FIG. 10a, the diameter of the second rotating disc 34 is greater than the diameters of the first rotating disc 32 and the third rotating disc 35, and the diameter of the synchronous wheel 37 is greater than the diameter of the second rotating disc 34. The diameters of the first rotating disc 32, the second rotating disc 34, the third rotating disc 35, and the synchronous wheel 37 can be adjusted according to actual needs.

[0076] In some embodiments, the synchronous wheel 37 is fixed with the first rotating shaft 151.

[0077] In some embodiments, as shown in FIG. 10a, the synchronous wheel 37 is fixed with the first rotating shaft 151 through the first screw 371, so as to facilitate assembly and disassembly.

[0078] In some embodiments, the synchronous wheel 37 is integrally arranged with the first rotating shaft 151.

[0079] In some embodiments, the power assembly 3 can realize power transmission through meshing between the toothed discs.

[0080] In some embodiments, the first rotating shaft 151 is located at the middle position of the fuselage 2, and the horizontal motor 31 and the second rotating disc 34 are arranged along the circumferential direction of the fuselage 2, so that the structure is more compact and occupies less space.

[0081] In some embodiments, the first distance between the center of the third rotating disc 35 and the center of the synchronous wheel 37 is adjustable, so as to tension the second synchronous belt 36 and prevent the second synchronous belt 36 from slipping.

[0082] In some embodiments, the second distance between the center of the first rotating disc 32 and the center of the second rotating disc 34 is fixed and cannot be adjusted, so as to save space.

[0083] The calculation formula of the second distance is as follows:

[0084] The second distance

[0085] The coefficient B=L p -1.57(D P +d P );

[0086] The length L of the first synchronous belt 33 P =Pi×Zb;

[0087] The diameter D of the second rotating disc 34 P =Pi×Z1 / π;

[0088] The diameter d of the first rotating disc 32 P =Pi×Z2 / π;

[0089] Pi is determined according to different types of the first synchronous belt 33 and the pitch of the second rotating disc 34;

[0090] Z1 represents the number of teeth of the second rotating disc 34;

[0091] Z2 represents the number of teeth of the first rotating disc 32.

[0092] In some embodiments, the second distance C is adjustable, so as to tension the second synchronous belt 36 and prevent the first synchronous belt 33 from slipping.

[0093] In some embodiments, as shown in FIG. 7, the power assembly 3 includes a force applying member 38, which applies a tension force to tension the second synchronous belt 36, realizes self-tensioning of the second synchronous belt 36, does not need to be manually adjusted, and reduces maintenance cost.

[0094] In some embodiments, as shown in FIG. 8, FIG. 9, FIG. 12 and FIG. 14, the power assembly 3 comprises a fixed seat 39, the fixed seat 39 is rotatably connected with the body 2, the second rotating disc 34 and the third rotating disc 35 are rotatably connected with the fixed seat 39, the force applying member 38 is an elastic member, one end of the elastic member is fixed with the body 2, and the other end is fixed with the fixed seat 39, so as to exert a pulling force on the fixed seat 39, so that the second synchronous belt 36 is kept tensioned. The direction of the pulling force exerted by the elastic member on the fixed seat 39 is defined as X1, and the line between the center of the second rotating disc 34 and the center of the synchronous wheel 37 is defined as X2, and an included angle is formed between X1 and X2.

[0095] In some embodiments, the fixed seat 39 is only linearly movable, and X1 is collinear with X2.

[0096] In some embodiments, as shown in FIG. 7, the elastic member is located at one end of the fixed seat 39 close to the second rotating disc 34, and the component force of the pulling force exerted by the elastic member on the fixed seat 39 pulls the fixed seat 39 in a direction away from the synchronous wheel 37, so that the second rotating disc 34 is forced to move in a direction away from the synchronous wheel 37, so as to self-tension the second synchronous belt 36.

[0097] In some embodiments, the elastic member is located at one end of the fixed seat 39 away from the second rotating disc 34, and the component force of the pulling force exerted by the elastic member on the fixed seat 39 pulls the fixed seat 39 in a direction close to the synchronous wheel 37, so that the second rotating disc 34 is forced to move in a direction away from the synchronous wheel 37, so as to self-tension the second synchronous belt 36.

[0098] In some embodiments, the fixed seat 39 is rotatably connected with the top cover assembly 1, and one end of the elastic member is fixed with the top cover assembly 1, and the other end is fixed with the fixed seat 39, so as to exert a pulling force on the fixed seat 39, so that the second synchronous belt 36 is kept tensioned.

[0099] In some embodiments, the horizontal motor 31 is fixed with the fixed seat 39.

[0100] In some embodiments, the horizontal motor 31 is fixed with the fixed seat 39 through the second screw 390.

[0101] In some embodiments, as shown in FIG. 7 to FIG. 15, FIG. 15 is another cross-sectional view of the camera shown in FIG. 1a. The body 2 is provided with a shaft portion 218, and the fixed seat 39 is provided with a through hole 391. As shown in FIG. 7 and FIG. 12, the shaft portion 218 is rotatably assembled in the through hole 391, and the fixed seat 39 rotates around the shaft portion 218.

[0102] In some embodiments, the shaft portion 218 can be provided on the body 2, and correspondingly, the through hole 391 is provided on the fixed seat 39.

[0103] In some embodiments, as shown in FIG. 7, FIG. 9, FIG. 10b and FIG. 12, the body 2 is provided with a first limiting hole 219, and the fixing seat 39 is provided with a second limiting hole 392; the camera 100 comprises a fixing member 4, which is assembled in the first limiting hole 219 and the second limiting hole 392 to limit the fixing seat 39 on the body 2; the second limiting hole 392 is a strip-shaped hole, and the fixing member 4 moves along the second limiting hole 392 when the fixing seat 39 rotates, so as to limit the rotation angle of the fixing seat 39.

[0104] In some embodiments, the first limiting hole 219 is arranged on the top cover assembly 1, and the fixing member 4 limits the fixing seat 39 on the top cover assembly 1.

[0105] In some embodiments, as shown in FIG. 13 and FIG. 14, the fixing seat 39 comprises a convex ring 393, which surrounds a receiving space 394; the power assembly 3 comprises a third bearing 301, a fixing rod 302 and a fixing screw 303; the third bearing 301 is received in the receiving space 394, the convex ring 393 is located in the space surrounded by the second rotating disc 34, the fixing rod 302 fixes the inner ring of the second rotating disc 34, the third rotating disc 35 and the third bearing 301, the outer ring of the third bearing 301 is fixed with the fixing seat 39, and the fixing screw 303 is fixed with the fixing seat 39 and abuts against the outer ring of the third bearing 301, so as to prevent the third bearing 301 from being separated from the fixing seat 39.

[0106] FIG. 16 is an enlarged view of the circular portion at D of the sectional view shown in FIG. 15; FIG. 17 is a sectional view of the first lower cover, the second lower cover and a part of the body after assembly; FIG. 18 is an enlarged view of the circular portion at E of the sectional view shown in FIG. 17; FIG. 19a is a schematic view of the first upper cover and the second upper cover before assembly; FIG. 19b is a schematic view of the first upper cover, the second upper cover and the top cover before assembly; FIG. 20a is a structural schematic view of the first upper cover shown in FIG. 2; FIG. 20b is a structural schematic view of the first upper cover from another perspective; FIG. 20c is a structural schematic view of the second upper cover shown in FIG. 2; FIG. 20d is a structural schematic view of the second upper cover from another perspective; FIG. 20e is a structural schematic view of the first lower cover shown in FIG. 2; and FIG. 20f is a structural schematic view of the first lower cover from another perspective.

[0107] The top cover assembly 1 comprises a first upper cover 12, a second upper cover 13, a first lower cover 14 and a second lower cover 15. The first upper cover 12 is provided with a first through hole 121 in the middle, and the second upper cover 13 is fixed with the first upper cover 12 and covers the first through hole 121. The first lower cover 14 is provided with a second through hole 141 in the middle, and the second lower cover 15 is fixed with the first lower cover 14 and covers the second through hole 141.

[0108] In the following, the structure of the top cover assembly 1 will be described in detail.

[0109] As shown in FIGS. 1a-1c, 19b, and 20c-20d, the top cover 18 of the camera 100 is provided with a seventh screw 165, and the second upper cover 13 is provided with a first connecting hole 134. The seventh screw 165 on the top cover 18 extends into the first connecting hole 134 on the second upper cover 13 to fixedly connect the top cover 18 and the second upper cover 13.

[0110] As shown in FIGS. 20a, 20b, and 20d, the first upper cover 12 is provided with a second connecting hole 122 around the periphery of the first through hole 121, and the second upper cover 13 is provided with a first fastener 135 arranged in a ring shape away from the side of the top cover 18. The second upper cover 13 is arranged on the first upper cover 12 at the first through hole 121. The first fastener 135 extends into the second connecting hole 122 to limit the movement of the second upper cover 13 relative to the first upper cover 12 in the horizontal plane. The end of the first fastener 135 has a threaded hole structure, as shown in FIG. 19a, and the fourth screw 162 can be screwed into the threaded hole structure of the first fastener 135. At this time, the shank of the fourth screw 162 is fixedly connected with the second upper cover 13, and the head of the fourth screw 162 abuts against the edge of the second connecting hole 122 of the second upper cover 13 to limit the relative movement between the first upper cover 12 and the second upper cover 13 in the vertical direction, so as to fixedly connect the first upper cover 12 and the second upper cover 13.

[0111] As shown in FIGS. 19b-20b and 20e, the first upper cover 12 is provided with a third connecting hole 123 arranged in a ring shape at the edge position, and the first lower cover 14 is provided with a fourth connecting hole 145 corresponding to the third connecting hole 123 on the side facing the first upper cover 12. As shown in FIG. 19b, the fifth screw 163 extends into the third connecting hole 123 and the fourth connecting hole 145 to fixedly connect the first upper cover 12 and the first lower cover 14. The first lower cover 14 is provided with a lens window 146, and the second lens 102 can be observed through the lens window 146.

[0112] As shown in FIGS. 11a, 11b, 20c, and 20d, the second lower cover 15 is provided with a fixing column 152 on the side facing the top cover 18, and a second assembly hole 150 is arranged at the end of the fixing column 152. The second upper cover 13 is provided with a limiting screw 161 corresponding to the second assembly hole 150. The fixing column 152 passes through the second through hole 141 of the first lower cover 14, so that the limiting screw 161 can extend into the second assembly hole 150 to limit the second lower cover 15.

[0113] As shown in FIG. 11a, FIG. 11b, FIG. 20e and FIG. 20f, a fifth connecting hole 147 is arranged around the second through hole 141 on the first lower cover 14, and a second fastener 153 corresponding to the fifth connecting hole 147 is arranged on the second lower cover 15. As shown in FIG. 17 and FIG. 18, the sixth screw 164 is inserted into the fifth connecting hole 147 and the second fastener 153 to fixedly connect the first lower cover 14 and the second lower cover 15.

[0114] In this way, the first upper cover 12, the second upper cover 13, the first lower cover 14 and the second lower cover 15 are connected with each other to form the top cover assembly 1. The first rotating shaft 151 is arranged on the second lower cover 15 to be connected with the body 2. That is, in the top cover assembly 1, the top cover 18, the second upper cover 13 and the second lower cover 15 fixedly connected with the top cover 18 are used to bear the weight of the whole machine, and the first upper cover 12 and the first lower cover 14 only bear part of the weight of the body 2. This makes the first upper cover 12 and the first lower cover 14 be able to be made of lighter material, thereby reducing the weight and cost of the camera 100 without affecting the overall strength of the camera 100.

[0115] Next, the structure of the body 2 will be described in detail.

[0116] As shown in FIG. 1a to FIG. 1c, the body 2 includes a body upper cover 20, a fixing frame 21 and a camera assembly 22.

[0117] As shown in FIG. 10a, FIG. 10b, FIG. 11c and FIG. 11d, the body upper cover 20 is a groove-shaped structure with a concave center, and a first through hole 205 is arranged in the center area of the body upper cover 20. As shown in FIG. 3 and FIG. 4, the first rotating shaft 151 is arranged on the second lower cover 15 and passes through the first through hole 205 to extend into the body upper cover 20.

[0118] As shown in FIG. 10a, FIG. 10b and FIG. 11e, the body upper cover 20 includes a pressing piece 201 fixedly connected with the outer ring of the first bearing 211. An eighth screw 166 is arranged on the pressing piece 201, and a sixth connecting hole 202 is arranged on the body upper cover 20 as shown in FIG. 11c and FIG. 11d. The eighth screw 166 is inserted into the sixth connecting hole 202 to fix the pressing piece 201 to the body upper cover 20. The first bearing 211 is arranged on the side of the pressing piece 201 facing the first rotating shaft 151, so that the first rotating shaft 151 is fixedly connected with the inner ring of the first bearing 211. In this way, since the first rotating shaft 151 is fixedly connected with the inner ring of the first bearing 211 and the body upper cover 20 is fixedly connected with the outer ring of the first bearing 211, the body upper cover 20 can rotate around the first rotating shaft 151.

[0119] Specifically, as shown in FIG. 10a and FIG. 10b, the middle position of the pressing piece 201 is a through hole, and the first rotating shaft 151 can pass through the pressing piece 201 and be fixedly connected with the connecting plate 206. The connecting plate 206 is located on the side of the pressing piece 201 away from the first rotating shaft 151. In this way, when the first rotating shaft 151 is fixedly connected with the connecting plate 206, the pressing piece 201 abuts against the connecting plate 206, which can prevent the upper cover 20 of the machine body from falling off the first rotating shaft 151, so as to form a connection between the upper cover 20 of the machine body and the second lower cover 15.

[0120] As shown in FIG. 7, FIG. 8, FIG. 10a and FIG. 10b, the synchronous wheel 37 in the power assembly 3 is fixed to the connecting plate 206 by the first screw 371, so that the synchronous wheel 37 is coaxially fixedly connected with the first rotating shaft 151. As shown in FIG. 7, the upper cover 20 of the machine body is fixedly connected with the horizontal motor 31, and the horizontal motor 31 is in transmission connection with the synchronous wheel 37 through the second synchronous belt 36. In this way, the upper cover 20 of the machine body can be driven by the horizontal motor 31 to rotate around the first rotating shaft 151.

[0121] As shown in FIG. 2, FIG. 5, FIG. 11c and FIG. 11d, the upper cover 20 of the machine body is provided with a positioning portion 203 for positioning with the horizontal portion 214 on the fixing frame 21 of the machine body 2. The upper cover 20 of the machine body is also provided with a seventh connecting hole 204, which can cooperate with the connecting screw 210 on the fixing frame 21, so as to fixedly connect the upper cover 20 of the machine body with the fixing frame 21, so that the fixing frame 21 and the camera assembly 22 can be driven by the upper cover 20 of the machine body to rotate.

[0122] As shown in FIG. 1b and FIG. 1c, a secondary main board 30 can be arranged in the machine body 2, and the secondary main board 30 is electrically connected with the main board 11 to control the horizontal motor 31 and the vertical motor 213.

[0123] The first upper cover 12, the second upper cover 13, the first lower cover 14 and the second lower cover 15 jointly enclose a second cavity 101. The second lens 102 is fixed with the first lower cover 14, and a plurality of second lenses 102 are sequentially arranged along the circumferential direction of the first lower cover 14. The main board 11 is fixed with the second lower cover 15.

[0124] In some embodiments, as shown in FIG. 17, the first lower cover 14 includes an annular fixing portion 143 fixed with the first upper cover 12 and an arc-shaped portion 144 extending from the fixing portion 143 towards the direction away from the first upper cover 12 and reducing, and the second lens 102 is fixed with the arc-shaped portion 144.

[0125] In some embodiments, the horizontal portion 214 is hidden in the arc-shaped portion 144.

[0126] The machine body 2 is rotationally connected with the second lower cover 15, and the first rotating shaft 151 is arranged on the second lower cover 15.

[0127] In some embodiments, as shown in FIG. 15 and FIG. 17, the first lower cover 14 and the second lower cover 15 enclose a receiving groove 142, the first rotating shaft 151 extends into the receiving groove 142, and the horizontal portion 214 is located in the receiving groove 142, and the plurality of second lenses 102 are arranged outside the horizontal portion 214, so that the camera 100 is compact in structure and small in size.

[0128] The material of the second upper cover 13 has a higher density than the material of the first upper cover 12, and the material of the second lower cover 15 has a higher density than the material of the first lower cover 14, so that the weight and cost of the camera 100 are effectively reduced under the premise of ensuring the volume of the second cavity 101. Tests show that the camera 100 of the present application reduces the weight by about 30% and reduces the cost by about 28%.

[0129] In some embodiments, the first upper cover 12 and the first lower cover 14 do not bear the weight of the whole machine, and are made of plastic only for installing the second lenses 102; the second upper cover 13, the second lower cover 15 and the fixing frame 21 are the main force-bearing structures and are made of metal.

[0130] In some embodiments, as shown in FIG. 15 and FIG. 16, the second upper cover 13 is provided with a first assembly hole 131, the second lower cover 15 is provided with a second assembly hole 150, the top cover assembly 1 includes a limiting screw 161 assembled in the first assembly hole 131 and the second assembly hole 150 to fix the second upper cover 13 and the second lower cover 15, so as to increase the stability of the top cover assembly 1 and the bearing capacity.

[0131] In some embodiments, as shown in FIG. 15 and FIG. 16, the top cover assembly 1 includes a first sealing member 171 which is tightly sealed with the second upper cover 13 and the second lower cover 15 to prevent water leakage at the first assembly hole 131; the second upper cover 13 is provided with a receiving groove 132 in communication with the first assembly hole 131, and the top cover assembly 1 includes a second sealing member 172 assembled in the receiving groove 132 to prevent water leakage at the first assembly hole 131.

[0132] In some embodiments, as shown in FIG. 15 and FIG. 16, the second upper cover 13 includes an annular protrusion 133, the second sealing member 172 includes a main body portion 1721 and a side edge portion 1722 extending from the main body portion 1721, at least part of the main body portion 1721 is assembled in the receiving groove 132, a gap groove 1723 is formed between the side edge portion 1722 and the main body portion 1721, and the protrusion 133 is located in the gap groove 1723 and tightly sealed with the second sealing member 172 to increase the sealing performance of the second sealing member 172.

[0133] In some embodiments, as shown in FIG. 15 and FIG. 16, the second lower cover 15 comprises a plurality of fixing columns 152, the second assembly hole 150 is arranged on the fixing column 152, the fixing column 152 is respectively provided with a recessed groove 1521, and the first sealing member 171 is arranged in a plurality of forms and accommodated in the plurality of recessed grooves 1521, so as to increase the stability and sealing effect of the first sealing member 171.

[0134] In some embodiments, as shown in FIG. 15, FIG. 16 and FIG. 18, the first upper cover 12 is fixed with the second upper cover 13, and the edge of the second upper cover 13 is pressed on the first upper cover 12; the first lower cover 14 is fixed with the second lower cover 15, and the edge of the second lower cover 15 is below the first lower cover 14; the top cover assembly 1 comprises a third sealing member 173, a fourth sealing member 174 and a fifth sealing member 175; the third sealing member 173 is located between the second upper cover 13 and the first upper cover 12 to prevent water leakage between the second upper cover 13 and the first upper cover 12; the fourth sealing member 174 is located between the first upper cover 12 and the first lower cover 14 to prevent water leakage between the first upper cover 12 and the first lower cover 14; and the fifth sealing member 175 is located between the second lower cover 15 and the first lower cover 14 to prevent water leakage between the second lower cover 15 and the first lower cover 14.

[0135] In some embodiments, as shown in FIG. 15 and FIG. 16, the top cover assembly 1 comprises a sixth sealing member 176, which is located between the limiting screw 161 and the second upper cover 13 and above the first sealing member 171 to increase the sealing effect and prevent water leakage at the first assembly hole 131.

[0136] The second sealing member 172, the sixth sealing member 176 and the first sealing member 171 form a three-level sealing from top to bottom to prevent water accumulation at the top cover assembly 1 from causing water leakage at the first assembly hole 131.

[0137] In some embodiments, as shown in FIG. 15 and FIG. 16, FIG. 19a and FIG. 19b, the first upper cover 12 and the second upper cover 13 are fixed by the fourth screw 162; the first upper cover 12 and the first lower cover 14 are fixed by the fifth screw 163; and the first lower cover 14 and the second lower cover 15 are fixed by the sixth screw 164, which facilitates assembly and disassembly.

[0138] In some embodiments, as shown in FIG. 15 and FIG. 16, FIG. 19a and FIG. 19b, the top cover assembly 1 comprises a top cover 18, which is fixed with the second upper cover 13 and surrounds a cavity 182 with the second upper cover 13 to accommodate electronic components of the camera 100; and the second sealing member 172 is located within the range covered by the top cover 18. The top cover 18 is used for assembly with a fixing device to realize hoisting of the camera 100.

[0139] In some embodiments, as shown in FIGS. 15-18, the top cover 18 is fixed with the second upper cover 13 by a seventh screw 165, facilitating assembly and disassembly.

[0140] 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 the present application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

[0141] The above description is only the preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

Claims

1. A video camera characterized by comprising: The utility model relates to a camera, and specifically relates to a camera with a horizontal motor. The utility model discloses a camera, which comprises a top cover assembly, a body and a horizontal motor. The top cover assembly comprises a first upper cover, a second upper cover, a first lower cover and a second lower cover. The middle part of the first upper cover is provided with a first through hole.

2. The camera of claim 1, wherein, The middle part of the first lower cover is provided with a second through hole.

3. The camera of claim 2, wherein, The second upper cover is fixed with the first upper cover and covers the first through hole.

4. The camera of claim 3, wherein, The second lower cover is fixed with the first lower cover and covers the second through hole.

5. The camera of claim 3, wherein, The material density of the second upper cover is higher than that of the first upper cover.

6. The camera of claim 2, wherein, The material density of the second lower cover is higher than that of the first lower cover.

7. The camera of claim 6, wherein, The body is rotationally connected with the second lower cover and can rotate relative to the top cover assembly along the circumferential direction of the top cover assembly.

8. The camera of claim 7, wherein, The body comprises a first lens. The horizontal motor is fixed with one of the top cover assembly and the body and drives the body to rotate relative to the top cover assembly along the circumferential direction of the top cover assembly. The second upper cover is provided with a first assembly hole. The second lower cover is provided with a second assembly hole. The top cover assembly comprises a limiting screw. The limiting screw is assembled in the first assembly hole and the second assembly hole to fix the second upper cover and the second lower cover. The top cover assembly comprises a first sealing element. The second upper cover is provided with a receiving groove in communication with the first assembly hole. The top cover assembly comprises a second sealing element. The second upper cover comprises an annular protrusion. The second sealing element comprises a main body part and a side edge part extending from the main body part. At least part of the main body part is assembled in the receiving groove. The side edge part and the main body part form a gap groove therebetween. The second lower cover comprises a plurality of fixing columns. The second assembly hole is arranged in the fixing columns. The plurality of fixing columns are respectively provided with recessed grooves. The plurality of first sealing elements are respectively received in the plurality of recessed grooves. The edge of the second upper cover is pressed on the first upper cover. The edge of the second lower cover is below the first lower cover. The top cover assembly comprises a third sealing element, a fourth sealing element and a fifth sealing element. The third sealing element is located between the second upper cover and the first upper cover. The fourth sealing element is located between the first upper cover and the first lower cover. The fifth sealing element is located between the second lower cover and the first lower cover. The top cover assembly comprises a main board fixed with the second lower cover and a plurality of second lenses fixed with the first lower cover. The plurality of second lenses are sequentially arranged along the circumferential direction of the first lower cover. The first lens and the second lens are electrically connected with the main board. The second lower cover comprises a first rotating shaft. The body forms a first cavity. The horizontal motor is located in the first cavity and is electrically connected with the main board. The body is provided with a first through hole. The body comprises a first bearing assembled in the first through hole. The outer ring of the first bearing is fixed with the body. The first rotating shaft is fixed with the inner ring of the first bearing. The first rotating shaft is provided with a wire passing hole for a connecting line connected with the main board to pass through.

9. The camera of claim 8, wherein, The body comprises a fixed frame and a camera assembly rotationally connected with the fixed frame, the first lens is arranged on the camera assembly, the fixed frame comprises a horizontal part and a pair of vertical parts connected with the horizontal part, the horizontal part surrounds the first cavity, the camera assembly is located between the horizontal part and the pair of vertical parts, the vertical part comprises a second through hole, the body comprises a second bearing assembled in the second through hole, the outer ring of the second bearing is fixed with the vertical part, the camera assembly comprises a second rotating shaft, the second rotating shaft is fixed with the inner ring of the second bearing, the body comprises a vertical motor located in the first cavity and a synchronous belt connecting the output shaft of the vertical motor and the second rotating shaft, the vertical motor drives the pitching movement of the camera assembly.

10. The camera of claim 9, wherein, The horizontal motor and the vertical motor are located on opposite sides of the first rotating shaft.

Images