Electric suction cup, adapter and electric suction support

Abstract

The utility model relates to an electric suction cup, an adapter and an electric suction support, and belongs to the technical field of photographic equipment installation. The electric suction cup comprises a shell, a suction cup, an air exhaust system and a clamping ring, the suction cup is arranged on the end face of the shell, and the suction cup is provided with a suction cup cavity with one open end; the air exhaust system is arranged in the shell and communicates with the suction cup cavity of the suction cup, and the air exhaust system is used for extracting air in the suction cup cavity so that the electric suction cup can be adsorbed to an external supporting face; the clamping ring is arranged on the end face, deviating from the suction cup, of the shell, the clamping ring and the end face of the shell define a mounting cavity, a clamping groove is formed in the inner side wall of the clamping ring, and the clamping groove is used for being detachably connected with the convex lug of the adapter, so that the electric suction cup can replace different adapters to adapt to photography and video recording equipment of different specifications or interface types, and the practicability of the electric suction cup is improved. Therefore, the fixed requirements of the user in different scenes are met, and the general performance of the equipment is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photography equipment installation technical field, especially in kind of electric suction support that a electric suction disc, adapter piece reach. BACKGROUND

[0002] Photography and video equipment such as flash, light supplement, flash guide, light effect accessory, etc. often need to be fixed on the wall, desktop or specific plane in the actual use process, so as to meet different shooting needs. At present, the common fixing mode on the market mainly includes tripod support, cantilever support installation, rail slider installation and magnetic type fixing, etc.

[0003] The traditional fixed installation device cannot realize the stable fixation of photography and video equipment on the wall, desktop or specific plane. Moreover, the traditional fixed installation device usually adopts single threaded interface, clamping structure or clamping structure to install corresponding photography and video equipment, which can only be applied to photography equipment of specific form or interface, and lacks compatibility of photography equipment of different types and different interfaces. The existing fixed installation device often cannot be used universally when facing photography equipment of different structures, which greatly limits the flexibility of use. SUMMARY

[0004] One purpose of the utility model is to solve the technical problem that the existing fixed installation device cannot be used universally when facing photography equipment of different structures, which limits the flexibility of use.

[0005] In order to solve the above technical problem, the utility model provides an electric suction disc for connecting with an adapter piece, the adapter piece includes an adapter disc and a lug provided on the outer side wall of the adapter disc; the electric suction disc includes: a shell; a suction disc provided on the end face of the shell, the suction disc has a suction disc cavity with one end open; an air extraction system provided in the shell and communicating with the suction disc cavity, the air extraction system is used for extracting the gas in the suction disc cavity, so that the electric suction disc can be adsorbed to the external supporting surface; a clamping ring provided on the end face of the shell away from the suction disc, the clamping ring and the end face of the shell form an installation cavity, a clamping groove is formed on the inner side wall of the clamping ring, and the clamping groove is used for detachable connection with the lug of the adapter piece to fix the adapter piece in the installation cavity.

[0006] In some embodiments of the utility model, the clamping groove includes a docking groove and a fixing groove in communication with each other, the docking groove extends inward from the end face of the clamping ring away from the shell, and the lug of the adapter piece enters the installation cavity through the docking groove; the fixing groove communicates with the bottom of the docking groove, and the fixing groove extends along the circumference of the clamping ring, so that the lug of the adapter piece can rotate into the fixing groove.

[0007] In some embodiments of the present application, the electrostatic chuck comprises a locking member and an elastic member, the locking member is movably arranged on the housing and can extend out of the end face of the housing or retract into the housing along the axis of the housing; the elastic member is arranged between the locking member and the housing to drive the locking member to automatically extend out of the end face of the housing into the docking groove to abut against the lug of the adapter to limit the rotation of the adapter in the mounting cavity.

[0008] In some embodiments of the present application, the locking member comprises an abutting column and a pressing column; the abutting column is movably arranged in the housing, and the elastic member is arranged between the abutting column and the housing to drive the abutting column to extend out of the end face of the housing into the docking groove; a limiting hole is formed in the side wall of the housing, one end of the pressing column is connected with the abutting column, and the other end of the pressing column extends out of the limiting hole and can move along the limiting hole; when the pressing column is pressed to move along the limiting hole, the abutting column retracts into the housing to release the limiting of the adapter.

[0009] In some embodiments of the present application, the electrostatic chuck further comprises a spring plate arranged on the end face of the housing and relative to the fixing groove; when the lug of the adapter rotates into the fixing groove, the spring plate abuts against the lug of the adapter to press the adapter against the clasp ring.

[0010] In some embodiments of the present application, the electrostatic chuck comprises a starting unit arranged in the chuck cavity and in signal communication with the air exhaust system; the starting unit is used to detect the distance between the external support surface and the chuck; when the external support surface is adsorbed to the chuck, the starting unit starts the air exhaust system to exhaust air.

[0011] In some embodiments of the present application, the air exhaust system comprises an air pump, an air pipe and a pressure relief member; an air chamber is arranged in the housing and in communication with the chuck cavity; the air pump is arranged in the housing and in communication with the air chamber through the air pipe, so that the air pump can exhaust the air in the air chamber and the chuck cavity in communication with the air chamber; the pressure relief member is arranged on the air pipe and partially extends out of the housing, and the air chamber is communicated with the external environment by pressing the pressure relief member to balance the air pressure in the air chamber and the external environment.

[0012] In some embodiments of the present application, the air exhaust system further comprises an electric control board and a first sensor; the electric control board is in signal communication with the air pump and the first sensor; the first sensor is arranged on the air pipe to detect the air pressure information in the air pipe and transmit the air pressure information to the electric control board, and the electric control board can control the air pump to exhaust air according to the air pressure signal.

[0013] This application also provides an adapter, including an adapter plate, a lug, and a connecting part. The lug is disposed on the outer wall of the adapter plate, and the lug and the adapter plate are used for detachable connection with the retaining ring of the above-mentioned electric suction cup. The connecting part is provided at the end of the adapter plate opposite to the end connected to the electric suction cup, and the connecting part is used for connection with photographic and video equipment.

[0014] In some embodiments of this application, the connecting part is a threaded post, a cold shoe mount, or a gimbal.

[0015] This application also provides an electric suction bracket, including at least one electric suction cup as described above and at least one adapter as described above.

[0016] As can be seen from the above technical solution, the beneficial effects of this utility model are as follows:

[0017] This application provides an electric suction cup, an adapter, and an electric suction bracket. The electric suction cup uses a suction system within its housing to extract gas from the suction cup cavity, allowing the suction cup to stably adhere to an external support surface. The retaining ring on the suction cup can be detachably connected to the adapter, enabling quick connection to different types of adapters. Different photographic equipment can be fixed to the adapter on the electric suction cup, making it compatible with photographic and video equipment of different specifications or interface types. This expands the applicability of the electric suction cup, meets users' fixing needs in various scenarios, and effectively improves the versatility of the equipment. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the electric suction bracket in one embodiment.

[0019] Figure 2 for Figure 1 A schematic diagram of the structure of the electric suction bracket from another perspective.

[0020] Figure 3 for Figure 1 An exploded view of the electric suction cup and adapter of the electric suction bracket.

[0021] Figure 4 for Figure 3 A schematic diagram of the exploded structure of the electro-chuck.

[0022] Figure 5 for Figure 4 A schematic diagram of the air extraction system of the Zhongdian suction cup.

[0023] Figure 6 for Figure 4 A cross-sectional view of the housing of the electric chuck.

[0024] Figure 7 forFigure 4 Schematic perspective view of the starting piece.

[0025] Figure 8 For Figure 7 Schematic perspective view of the starting piece from another angle.

[0026] Figure 9 For Figure 3 Schematic perspective view of the adapter piece.

[0027] Figure 10 Schematic perspective view of the electric suction support in another embodiment.

[0028] Figure 11 Schematic perspective view of the electric suction support in yet another embodiment.

[0029] The reference signs are explained as follows:

[0030] 100, electric suction support; 10, adapter piece; 11, adapter disc; 12, lug; 13, connecting part; 131, threaded column; 132, cold shoe; 133, pan-tilt; 1331, base; 1332, handle; 1333, knob; 1334, movable support; 1335, threaded column; 20, electric suction disc; 210, shell; 211, bottom shell; 2111, first convex rib; 2112, second convex rib; 2113, air chamber; 2114, air hole; 2115, first through hole; 212, top cover; 2121, elastic sheet; 2122, via hole; 213, air chamber partition; 220, suction disc; 221, mounting part; 222, suction part; 223, second through hole; 224, suction disc cavity; 230, air extraction system; 231, air pump; 2311, air nozzle; 232, air pipe; 2321, first air pipe; 2322, second air pipe; 2323, third air pipe; 233, pressure relief piece; 2331, pressure relief valve; 2332, pressure relief switch; 234, first sensor; 235, electric control board; 2351, electric interface; 240, starting piece; 241, cap body; 2411, skirt; 2412, bayonet; 2413, ring groove; 2414, air inlet; 242, stand column; 250, clasp; 251, mounting cavity; 252, clamping groove; 2521, abutting groove; 2522, fixing groove; 260, locking piece; 261, abutting column; 262, pressing column; 263, elastic piece; 264, limiting hole. DETAILED DESCRIPTION

[0031] The typical embodiments embodying the features and advantages of the present application will be described in the following description with reference to the accompanying drawings. It should be understood that the present application can be varied in a wide range of embodiments, none of which depart from the scope of the present application, and that the description and drawings are to be considered as illustrative only and not restrictive in nature.

[0032] In the description of the present application, it should be understood that the indication of direction or positional relationship (such as up, down, left, right, front and back, etc.) in the embodiments shown in the drawings is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation. These indications are appropriate when the elements are in the positions shown in the drawings. If the position of these elements changes, the indications of these directions also change accordingly.

[0033] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] Referring to Figures 1 to 11 The present embodiment provides an electric suction support 100, which comprises at least one electric suction disc 20 and at least one adapter 10. Each adapter 10 can connect photographic equipment of different interface types to improve the versatility of the electric suction support 100.

[0035] Referring to Figure 3 Each adapter 10 comprises an adapter disc 11, a lug 12 and a connecting part 13. The lug 12 is arranged on the outer side wall of the adapter disc 11 and is used for detachable connection with the electric suction disc 20. The end face of the adapter disc 11 of the adapter 10 away from the electric suction disc 20 can be provided with a connecting part 13 of different structures, which is used for connection with photographic and video equipment.

[0036] The electric suction disc 20 can be detachably connected with the adapter 10 having a connecting part 13 of different types, so that one electric suction disc 20 can be adapted to photographic and video equipment of different specifications or interface types, and various types of photographic and video equipment can be adsorbed to an external support surface through the same electric suction disc 20. This improves the application range of the electric suction support 100, and users only need to replace adapters 10 of different types to install photographic equipment of different interface types, thereby reducing the use cost of users.

[0037] Referring to Figure 1 , Figure 10 and Figure 11 In some embodiments, the connecting part 13 can be a threaded column 131, a cold shoe 132 or a gimbal 133.

[0038] Specifically, as Figure 1As shown, the connecting part 13 on the adapter 10 can be a threaded column 131, which is suitable for devices with a standard threaded interface, such as cameras or camcorders, etc. The camera or camcorder can be directly connected to the threaded column 131 of the adapter 10 through the standard threaded hole, and is adsorbed to the external support surface through the electrostatic chuck 20, so as to realize the fixation of the camera or camcorder on the external support surface.

[0039] As shown in FIG. 1, the connecting part 13 on the adapter 10 can be a cold shoe 132. The cold shoe 132 can be used to install photographic accessories with a cold shoe interface, such as a flash, a microphone, etc. By clamping the cold shoe interface on the photographic accessory to the cold shoe 132 of the adapter 10, and adsorbing to the external support surface through the electrostatic chuck 20, the photographic accessory can be fixed to the external support surface. Figure 10

[0040] As shown in FIG. 1, the connecting part 13 on the adapter 10 can be a cold shoe 132. The cold shoe 132 can be used to install photographic accessories with a cold shoe interface, such as a flash, a microphone, etc. By clamping the cold shoe interface on the photographic accessory to the cold shoe 132 of the adapter 10, and adsorbing to the external support surface through the electrostatic chuck 20, the photographic accessory can be fixed to the external support surface. Figure 11

[0041] Of course, in other embodiments, the connecting part 13 can also be other connecting structures, as long as it can realize the interface with the photographic and video equipment to realize the quick fixation of the photographic and video equipment.

[0042] As shown in FIG. 1, the connecting part 13 on the adapter 10 can be a cold shoe 132. The cold shoe 132 can be used to install photographic accessories with a cold shoe interface, such as a flash, a microphone, etc. By clamping the cold shoe interface on the photographic accessory to the cold shoe 132 of the adapter 10, and adsorbing to the external support surface through the electrostatic chuck 20, the photographic accessory can be fixed to the external support surface. Figures 1 to 3 In some embodiments, the electrostatic chuck 20 includes a shell 210, a chuck 220, a suction system 230 and a clasp 250.

[0043] ​​The suction cup 220 is arranged on the end face of the shell 210, and the suction cup 220 has a suction cup 220 cavity with one end open. The air extraction system 230 is arranged in the shell 210 and communicates with the suction cup 220 cavity of the suction cup 220. The air extraction system 230 is used to extract the gas in the suction cup 220 cavity, so that the electric suction cup 20 can be adsorbed to the external supporting surface. The snap ring 250 is arranged on the end face of the shell 210 away from the suction cup 220, and the snap ring 250 and the end face of the shell 210 enclose the mounting cavity 251. The inner side wall of the snap ring 250 is provided with a clamping groove 252. The clamping groove 252 is used to be connected with the lug 12 of the adapter 10, so as to fix the adapter 10 in the mounting cavity 251, and realize the detachable connection between the adapter 10 and the electric suction cup 20.

[0044] The air extraction system 230 arranged in the shell 210 extracts the gas in the suction cup 220 cavity. When the device is powered on, the gas in the suction cup 220 cavity is discharged by the air extraction system 230 to form a negative pressure, so that the electric suction cup 20 can be stably and firmly adsorbed on the smooth surface of glass, metal, ceramic tile, wood board and the like, and a continuous and reliable fixing support force is provided.

[0045] The snap ring 250 is arranged on the end face of the shell 210 away from the suction cup 220, so as to realize the detachable connection with the lug 12 of the adapter 10. Various types of adapters 10 can be quickly installed on the electric suction cup 20. When it is necessary to replace the photographic equipment with different interfaces, the adapter 10 on the electric suction cup 20 can be replaced, so as to realize the fixed connection between the electric suction support 100 and the photographic equipment of different types. The user only needs one electric suction cup 20 equipped with multiple adapters 10 to realize the installation of multiple photographic equipment, which greatly improves the general performance of the device and improves the overall economic value of the device.

[0046] Please refer to Figure 3 and Figure 4 In some embodiments, the clamping groove 252 in the snap ring 250 includes a connecting groove 2521 and a fixing groove 2522 in communication with each other. The connecting groove 2521 extends inwardly from the end face of the snap ring 250 away from the shell 210, and the lug 12 of the adapter 10 enters the mounting cavity 251 through the connecting groove 2521. The fixing groove 2522 communicates with the bottom of the connecting groove 2521, and extends along the circumference of the snap ring 250, so that the lug 12 of the adapter 10 can rotate into the fixing groove 2522.

[0047] Specifically, the clamping groove 252 on the clamping ring 250 is arranged opposite the lug 12 on the adapter 10, and the number of the clamping groove 252 and the lug 12 can be one or more. When the clamping groove 252 is provided with multiple, the fixing groove 2522 in the clamping groove 252 can extend around the same circumferential direction, and the multiple lugs 12 on the adapter 10 can enter the mounting cavity 251 of the clamping ring 250 from the abutting groove 2521; when the adapter 10 rotates around the circumferential direction, the lug 12 on the adapter 10 rotates into the fixing groove 2522 to achieve the fixation of the adapter 10 and the clamping ring 250 in the axial direction.

[0048] Please refer to Figure 4 In some embodiments, the electrostatic chuck 20 includes a locking member 260 and an elastic member 263. The locking member 260 is movably arranged on the housing 210 and can extend out of the end face of the housing 210 or retract into the housing 210 along the axial direction of the housing 210. The elastic member 263 is arranged between the locking member 260 and the housing 210, and is used to drive the locking member 260 to extend into the abutting groove 2521 of the clamping groove 252 to abut against the lug 12 of the adapter 10, so as to limit the rotation of the adapter 10 in the mounting cavity 251.

[0049] Further, the locking member 260 includes an abutting column 261 and a pressing column 262. The abutting column 261 is movably arranged in the housing 210, and the elastic member 263 is arranged between the abutting column 261 and the housing 210 to drive the abutting column 261 to extend out of the end face of the housing 210 into the abutting groove 2521. A limiting hole 264 is formed in the side wall of the housing 210, one end of the pressing column 262 is connected with the abutting column 261, and the other end of the pressing column 262 extends out of the limiting hole 264 and can move along the limiting hole 264. By pressing the pressing column 262, the abutting column 261 can be retracted into the housing 210 to unlock the adapter 10.

[0050] Specifically, when the adapter 10 is installed with the electrostatic chuck 20, the user can align the lug 12 of the adapter 10 with the abutting groove 2521 of the clamping ring 250 and insert it into the mounting cavity 251 along the axial direction. At this time, the lug 12 of the adapter 10 abuts against the abutting column 261, causing the abutting column 261 to retract into the housing 210 and compress the elastic member 263. When the user rotates the adapter 10 horizontally, the lug 12 of the adapter 10 rotates into the fixing groove 2522 of the clamping ring 250, the abutting column 261 in the housing 210 automatically pops out under the action of the elastic member 263, and abuts against the side wall of the lug 12 in the fixing groove 2522 to limit the lug 12 in the fixing groove 2522, thereby limiting the horizontal rotation of the adapter 10, so that the adapter 10 is fixed to the electrostatic chuck 20.

[0051] When it is needed to detach the adapter 10 from the electrostatic chuck 20, the user can press the pressing column 262 extending from the sidewall of the shell 210 to move the pressing column 262 downward along the limiting hole 264. At this time, the abutting column 261 is retracted into the shell 210 to release the limiting of the lug 12, so that the user can reversely rotate the adapter 10 to detach the adapter 10 from the electrostatic chuck 20.

[0052] Through the cooperation of the clamping groove 252 and the lug 12 of the locking piece 260, the adapter 10 can be quickly mounted to or detached from the electrostatic chuck 20, the whole process is simple and convenient, the user does not need to use tools to replace the adapter 10, and the operation efficiency is greatly improved.

[0053] Please refer to Figure 3 and Figure 4 In some embodiments, the electrostatic chuck 20 further comprises a spring 2121. The spring 2121 is arranged on the end face of the shell 210 and is arranged relative to the fixing groove 2522. When the lug 12 of the adapter 10 is rotated into the fixing groove 2522, the spring 2121 abuts against the lug 12 of the adapter 10 to press the adapter 10 tightly on the clamping ring 250.

[0054] Specifically, the spring 2121 is arranged on the top surface of the electrostatic chuck 20, and the number and position of the spring 2121 correspond to the number and position of the fixing groove 2522. One end of the spring 2121 is fixed to the outer edge of the top surface of the electrostatic chuck 20, and the other end of the spring 2121 extends along the extension direction of the fixing groove 2522 and is tilted towards the fixing groove 2522.

[0055] When the lug 12 of the adapter 10 is rotated into the fixing groove 2522, the bottom surface of the lug 12 presses the spring 2121, and the spring 2121 applies a force to the lug 12 towards the clamping ring 250 to press the lug 12 tightly on the clamping ring 250, thereby preventing the adapter 10 from shaking in the clamping ring 250.

[0056] Please refer to Figures 4 to 8 In some embodiments, the shell 210 of the electrostatic chuck 20 comprises a bottom shell 211 and a top cover 212. The inside of the bottom shell 211 forms a top-open accommodating cavity which can be used to install the air extraction system 230, and the limiting hole 264 is arranged on the bottom shell 211. The top cover 212 is arranged at the opening of the accommodating cavity of the bottom shell 211 to seal the top of the bottom shell 211. The spring 2121 is arranged on the outer edge of the top cover 212, and the top cover 212 is provided with a through hole 2122 corresponding to the abutting column 261, so that the abutting column 261 can pass through the top cover 212.

[0057] Please refer to Figure 4 and Figure 5In some embodiments, the housing 210 further includes an air chamber partition 213, which is installed inside the bottom housing 211 and encloses the bottom housing 211 to form an air chamber 2113.

[0058] like Figure 6 As shown, the bottom wall of the accommodating cavity of the bottom shell 211 is provided with a first protruding rib 2111 and a second protruding rib 2112. The first protruding rib 2111 and the second protruding rib 2112 are arranged in a ring-shaped interval. An air chamber partition 213 is disposed on the top of the first protruding rib 2111 and the second protruding rib 2112 to cover the top surfaces of the first protruding rib 2111 and the second protruding rib 2112, so that the interval between the first protruding rib 2111 and the second protruding rib 2112 forms an annular air chamber 2113.

[0059] In some other embodiments, the air chamber 2113 inside the housing 210 may also be composed of other structures, as long as it can form a closed cavity inside the housing 210, which can communicate with the suction cup cavity 224 of the suction cup 220 and the air extraction system 230, and can suck out the air in the suction cup cavity 224 under the suction of the air extraction system 230 to form a negative pressure.

[0060] Please see Figure 4 and Figure 6 In some embodiments, the first protruding rib 2111 of the bottom shell 211 is provided with an air hole 2114; and the end face of the bottom shell 211 is provided with a first through hole 2115. The air hole 2114 and the first through hole 2115 connect the air chamber 2113 to the external environment. A suction cup 220 is disposed on the end face of the bottom shell 211, and the suction cup 220 is provided with a second through hole 223 corresponding to the first through hole 2115 on the bottom shell 211.

[0061] When the suction cup 220 is installed on the end face of the housing 210, the second through hole 223 on the suction cup 220 corresponds to the first through hole 2115 on the bottom housing 211, so that the air chamber 2113 and the suction cup cavity 224 are connected through the air hole 2114, the first through hole 2115 and the second through hole 223.

[0062] Of course, in some other embodiments, the suction system 230 can also be directly connected to the suction cup cavity 224 through a pipe, so that the suction system 230 can extract the gas in the suction cup cavity 224.

[0063] Please see Figure 4 In some embodiments, the suction cup 220 may include a mounting portion 221 and an adsorption portion 222. The mounting portion 221 has multiple protruding baffles on its top surface, which can be embedded into grooves on the bottom surface of the housing 210 to fix the suction cup 220 to the housing 210. Alternatively, the mounting portion 221 can be directly fixed to the bottom surface of the housing 210 with adhesive, as long as it effectively fixes the suction cup 220 to the housing 210.

[0064] In some embodiments, the suction portion 222 is arranged on the lower end surface of the mounting portion 221, and is the portion of the suction cup 220 that contacts the support plane and is responsible for providing suction force to secure the photographic and video equipment. The suction portion 222 is generally in the shape of a bowl, with a suction cup cavity 224 open at one end inside. The outer edge of the suction portion 222 is spaced apart from the outer edge of the mounting portion 221, so that the mounting portion 221 does not block the deformation of the suction portion 222. The suction portion 222 is generally made of a flexible or elastic material, such as liquid silicone, rubber, or a flexible polymer, which has good adhesion and deformation ability and can form a sealed suction area when in contact with the external support surface.

[0065] When the suction portion 222 of the suction cup 220 is in contact with the external support surface, the flexible material of the suction portion 222 will undergo slight deformation during the suction process. At this time, the opening of the suction cup cavity 224 is covered by the surface of the object to form a closed space. At this time, the suction system 230 can extract the gas in the gas chamber 2113 and the suction cup cavity 224 connected to the gas chamber 2113, so that the suction cup cavity 224 forms a negative pressure, so that the electric suction cup 20 can be firmly attached to the external support surface, achieving the fixation of the photographic and video equipment.

[0066] In some embodiments, the electric suction cup 20 includes a starting unit arranged in the suction cup cavity 224 and in signal communication with the suction system 230. The starting unit is used to detect the distance between the external support surface and the suction cup 220. When the external support surface is attached to the suction cup 220, the starting unit starts the suction system 230 to perform suction.

[0067] In other embodiments, the starting unit can be a distance measuring sensor or a mechanical push switch, which can control the suction system 230 to work when it detects that the suction surface of the external object is close to and abuts against the suction cup 220, so as to realize the automatic work of the electric suction cup 20 and automatically suction the photographic and video equipment.

[0068] Please refer to Figures 4 to 8 In some embodiments, the starting unit can include a starting piece 240 and a sensing piece (not shown in the figure). One end of the starting piece 240 is arranged in the gas chamber 2113, and the other end of the starting piece 240 extends into the suction cup cavity 224 through the through hole in the housing 210 and the suction cup 220. The sensing piece is arranged opposite the starting piece 240 and is in signal communication with the suction system 230. When the external object is attached to the suction cup 220 and presses the starting piece 240, the starting piece 240 triggers the sensing piece, so that the sensor starts the suction system 230 to extract the gas in the gas chamber 2113 and the suction cup cavity 224.

[0069] By extending one end of the starting piece 240 into the suction cup cavity 224 and setting the sensing piece corresponding to the starting piece 240, when the external supporting surface is adsorbed by the suction cup 220, it can automatically abut the starting piece 240 and trigger the sensing piece, so that the sensing piece automatically opens the air extraction system 230, and the gas in the air chamber 2113 and the suction cup cavity 224 is automatically extracted, so as to ensure that the electric suction cup 20 can always stably adsorb, and the user no longer needs to manually open the air extraction system 230, and the installation of the entire photographic and video equipment is more simple and convenient.

[0070] Please refer to Figure 7 and Figure 8 In some embodiments, the starting piece 240 includes a cap 241 and a column 242.

[0071] The cap 241 of the starting piece 240 can be made of flexible silica gel, and the bottom surface of the cap 241 is provided with a ring groove 2413, and the outer periphery of the cap 241 is provided with a skirt 2411. The cap 241 is embedded in the air chamber 2113 of the shell 210 and blocks the air hole 2114 connecting the air chamber 2113 and the suction cup cavity 224. The column 242 is arranged on the bottom surface of the cap 241, one end of the column 242 is connected with the cap 241, the other end of the column 242 passes through the shell 210 and the suction cup 220 and extends into the suction cup cavity 224 of the suction cup 220, and the column 242 has a gap between the through hole of the shell 210 and the suction cup 220.

[0072] When the starting piece 240 is installed on the bottom shell 211, the skirt 2411 is located between the first convex rib 2111 and the second convex rib 2112, and the first convex rib 2111 on the bottom shell 211 is embedded into the ring groove 2413 of the cap 241, and the air chamber partition plate 213 is pressed on the cap 241 and the second convex rib 2112 to form a sealed air chamber 2113. The cap 241 is provided with an air inlet 2414 corresponding to the air hole 2114 on the first convex rib 2111, so that the one end of the air hole 2114 facing the air chamber 2113 is always in an open state. The outer end of the air hole 2114 away from the air chamber 2113 is blocked and closed by the inner wall of the ring groove 2413 of the cap 241, so that the air chamber 2113 and the suction cup cavity 224 are separated from each other.

[0073] When the external support surface is adsorbed to the suction cup 220, the external support surface presses against the column 242 of the starting piece 240, the cap body 241 is deformed towards the inside of the shell 210, and the side wall of the annular groove 2413 of the cap body 241 is away from the outer port of the air hole 2114 to form a gap. At this time, the gas in the suction cup cavity 224 can enter the annular air chamber 2113 through the second through hole 223 on the suction cup 220, the gap between the outer wall of the column 242 and the first through hole 2115 on the bottom shell 211, the air hole 2114 on the first convex rib 2111, the air inlet 2414 on the cap body 241, and finally be extracted by the air extraction system 230 to maintain the negative pressure state in the suction cup 220.

[0074] In some embodiments, the skirt 2411 of the starting piece 240 is further provided with a bayonet 2412, which can be clamped with the structure on the bottom shell 211, so that the starting piece 240 can be quickly installed on the first convex rib 2111 and the second convex rib 2112 of the bottom shell 211, and the air inlet 2414 on the cap body 241 is aligned with the air hole 2114 on the first convex rib 2111.

[0075] In some embodiments, the inductive piece can be arranged in the cavity on the top surface of the cap body 241, and the inductive piece can be a pressure switch or a mechanical switch. The inductive piece has a certain distance from the starting piece 240, when the external object is adsorbed to the suction cup 220, the column 242 moves towards the inside of the shell 210, so that the center position of the cap body 241 protrudes upwards to press the inductive piece, so that the inductive piece outputs a control signal to the air extraction system 230 to start the air extraction system 230 to extract the gas in the air chamber 2113.

[0076] In other embodiments, the inductive piece can also be a gas pressure or gas sensitive element arranged in the cavity on the top of the cap body 241. When the column 242 presses the cap body 241 to deform, the airflow or air pressure near the inductive piece is deformed, so that the inductive piece controls the air extraction system 230 to start to extract the gas in the air chamber 2113.

[0077] Please refer to Figure 5 In some embodiments, the air extraction system 230 includes an air pump 231, an air pipe 232 and a pressure relief piece 233. The air pump 231 communicates with the air chamber 2113 through the air pipe 232, so that the air pump 231 can extract the gas in the air chamber 2113. The pressure relief piece 233 is arranged on the air pipe 232 and partially extends out of the shell 210, so that the air chamber 2113 can be communicated with the external environment by pressing the pressure relief piece 233 to balance the air pressure in the air chamber 2113 and the external environment.

[0078] Specifically, the air chamber 2113 is in communication with the pressure relief member 233 through the first air pipe 2321, and the pressure relief member 233 is in communication with the air pump 231 through the second air pipe 2322, so that the air pump 231 can continuously extract air in the air chamber 2113, effectively generate negative pressure, and ensure that the suction cup 220 firmly adsorbs the external object, so that the photographic and video equipment is not easy to fall off.

[0079] Please refer to Figure 9 In some embodiments, the air pump 231 is provided with an air nozzle 2311, which can discharge the gas extracted by the air pump 231 into the accommodating cavity of the shell 210.

[0080] Please refer to Figure 9 In some embodiments, the pressure relief member 233 can include a pressure relief valve 2331 and a pressure relief switch 2332. The pressure relief valve 2331 is arranged between the first air pipe 2321 and the second air pipe 2322. One end of the pressure relief switch 2332 is connected to the pressure relief valve 2331, and the other end of the pressure relief switch 2332 extends to the outside of the shell 210, so that a user can manually control the pressure relief valve 2331 to open, so that gas can enter the air chamber 2113 to balance the negative pressure on the suction cup 220, so that the electric suction cup 20 can be detached from the support surface, to realize the quick disassembly of the photographic and video equipment.

[0081] Please refer to Figure 9 In some embodiments, the air extraction system 230 further includes an electric control board 235 and a first sensor 234. The electric control board 235 is in signal communication with the air pump 231 and the first sensor 234; the first sensor 234 is arranged on the air pipe 232 and is used to detect the air pressure information in the air pipe 232 and transmit the air pressure information to the electric control board 235, so that the electric control board 235 can control the air pump 231 to extract air according to the air pressure signal.

[0082] Specifically, the electric control board 235 is a central control system, and the electric control board 235 is in signal communication with the inductor, the air pump 231, and the pressure relief valve 2331. When the inductor is triggered by the starting member 240, the electric control board 235 can control the air pump 231 to open to extract air in the air chamber 2113, so that the suction cup cavity 224 maintains a negative pressure state. When it is necessary to disassemble the photographic and video equipment, the electric control board 235 can also automatically control the pressure relief valve 2331 to open to balance the air pressure in the suction cup cavity 224 and the outside, so that the photographic and video equipment automatically separates from the support surface.

[0083] Please refer to Figure 9In some embodiments, the first sensor 234 is in close connection with one end of the third air pipe 2323, so that air outside the air suction system 230 cannot enter the third air pipe 2323 from the connection, and thus the first sensor 234 can sensitively detect the air pressure in the air pipe 232. The first sensor 234 is in communication with the second air pipe 2322 and the first air pipe 2321 through the third air pipe 2323, and the first sensor 234 can monitor the air pressure information in the air suction system 230. If a small amount of air enters the suction disc cavity 224 through the gap between the suction disc 220 and the supporting plane, the first sensor 234 transmits the information to the electric control board 235, and the electric control board 235 controls the air pump 231 to perform supplementary air suction, so that the suction disc cavity 224 maintains a fixed negative pressure.

[0084] In some embodiments, the first sensor 234 can also function as a sensing element, i.e., the first sensor 234 can be used in conjunction with the starting element 240 to make the control circuit output a starting signal to start the air suction system 230. That is, the aforementioned control of the air pump 231 to perform air suction according to the air pressure signal also includes control of the air pump 231 to start air suction. Specifically, when the photographic and video equipment is adsorbed on the external supporting plane and presses against the starting element 240, the starting element 240 moves towards the inside of the shell 210, so that air enters the pipeline of the air suction system 230 through the air chamber 2113, thereby causing the air pressure in the third air pipe 2323 to change, and the first sensor 234 controls the air pump 231 to perform air suction according to the detected air pressure signal.

[0085] In some embodiments, the electric suction disc 20 is electrically connected to the electric suction disc 20, so that the electric suction disc 20 can supply power to or control the opening and closing of the air suction system 230 of the electric suction disc 20. The electric control board 235 is provided with an electric interface 2351. The electric interface 2351 is used for connection of an external power line, so that the electric suction disc 20 can supply power to the electric suction disc 20 or control the opening and closing of the electric suction disc 20.

[0086] In some embodiments, the electric suction disc 20 is further provided with an energy storage battery, and the energy storage battery is electrically connected to the electric control board 235, so that the energy storage battery can supply power to the air suction system 230. When the electric interface 2351 is in communication with the external power line, it can charge the energy storage battery.

[0087] In conclusion, the embodiment provides an electric suction disc 20 and an electric suction support 100. The electric suction disc 20 is provided with an air extraction system 230 arranged in a shell 210 to extract the air in the cavity of a suction disc 220, so that the suction disc 220 on the electric suction disc 20 can be stably adsorbed on an external support surface. The clamping ring 250 of the electric suction disc 20 away from the suction disc 220 can be detachably connected with the adapter 10, so that the electric suction disc 20 can be quickly connected with different types of adapters 10. Different photographic equipment can be fixed on the adapter 10 on the electric suction disc 20, so that the electric suction disc 20 can be adapted to photographic and video equipment of different specifications or interface types, which improves the application range of the electric suction disc 20, meets the fixing requirements of users in different scenes, and effectively improves the universal performance of the equipment.

[0088] Although the utility model has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary, rather than limiting terms. Since the utility model can be embodied in various forms without departing from the spirit or essence of the utility model, it should be understood that the above-mentioned embodiments are not limited to any of the above-mentioned details, but should be interpreted broadly within the spirit and scope defined by the appended claims, and therefore all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. An electrostatic chuck for interfacing with an adapter, the adapter comprising an adapter plate and a lug disposed on an outer sidewall of the adapter plate; characterized in that, The electric suction disc comprises: a shell; a suction disc arranged on an end surface of the shell, the suction disc having a suction disc cavity with an open end; an air extraction system arranged in the shell and communicating with the suction disc cavity, the air extraction system being used to extract air in the suction disc cavity so that the electric suction disc can be adsorbed to an external support surface; a clamping ring arranged on an end surface of the shell away from the suction disc, the clamping ring and the end surface of the shell enclosing a mounting cavity, an inner side wall of the clamping ring being provided with a clamping groove, the clamping groove being used to detachably connect with a lug of the adapter so as to fix the adapter in the mounting cavity.

2. The electrostatic chuck of claim 1, wherein, The clamping groove comprises a docking groove and a fixing groove which are in communication with each other, the docking groove extending inwardly from the end surface of the clamping ring away from the shell, the lug of the adapter entering the mounting cavity through the docking groove, and the fixing groove communicating with the bottom of the docking groove and extending along the circumference of the clamping ring so that the lug of the adapter can rotate into the fixing groove.

3. The electrostatic chuck of claim 2, wherein, The electric suction disc comprises a locking member and an elastic member, the locking member being movably arranged on the shell and being capable of extending out of the end surface of the shell or retracting into the shell along the axis of the shell, and the elastic member being arranged between the locking member and the shell and being used to drive the locking member to automatically extend out of the end surface of the shell into the docking groove and abut against the lug of the adapter so as to limit the rotation of the adapter in the mounting cavity.

4. The electrostatic chuck of claim 3, wherein, The locking member comprises an abutting column and a pressing column, the abutting column being movably arranged in the shell, the elastic member being arranged between the abutting column and the shell to drive the abutting column to extend out of the end surface of the shell into the docking groove, a limiting hole being formed in the side wall of the shell, one end of the pressing column being connected with the abutting column, the other end of the pressing column extending out of the limiting hole and being capable of moving along the limiting hole, and the abutting column retracting into the shell when the pressing column is pressed to move along the limiting hole so as to release the limiting of the adapter.

5. The electrostatic chuck of claim 2, wherein, The electric suction disc further comprises a spring sheet, the spring sheet being arranged on the end surface of the shell and being arranged relative to the fixing groove, and the spring sheet abutting against the lug of the adapter when the lug rotates into the fixing groove so as to press the adapter against the clamping ring.

6. The electrostatic chuck of claim 1, wherein, The electric suction disc comprises a starting unit, the starting unit being arranged in the suction disc cavity and being in signal communication with the air extraction system, the starting unit being used to detect the distance between the external support surface and the suction disc, and the starting unit starting the air extraction system to extract air when the external support surface is adsorbed to the suction disc.

7. The electrostatic chuck of claim 1, wherein, The air extraction system comprises an air pump, an air pipe and a pressure relief member, the shell being provided with an air chamber, the air chamber communicating with the suction disc cavity, the air pump being arranged in the shell and communicating with the air chamber through the air pipe so that the air pump can extract air in the air chamber and the suction disc cavity which communicates with the air chamber, and the pressure relief member being arranged on the air pipe and partially extending out of the shell, the air chamber being communicated with the external environment by pressing the pressure relief member so as to balance the air pressure in the air chamber and the external environment.

8. The electrostatic chuck of claim 7, wherein, The air extraction system further comprises an electric control board and a first sensor; the electric control board is in signal communication with the air pump and the first sensor; the first sensor is arranged on the air pipe and is used for detecting air pressure information in the air pipe and transmitting the air pressure information to the electric control board; and the electric control board can control the air pump to extract air according to the air pressure signal.

9. An adapter, characterized in that The adapter comprises an adapter disc, a lug and a connecting part, the lug is arranged on the outer wall of the adapter disc, the lug and the adapter disc are used for detachable connection with the snap ring of the electrostatic chuck of any one of claims 1-8, and the adapter disc of the adapter is provided with the connecting part at the end away from the electrostatic chuck, and the connecting part is used for connection with photographic and video equipment.

10. The adapter of claim 9, wherein, The connecting part is a threaded column, a cold shoe or a gimbal.

11. An electrical suction support, characterized in that The adapter comprises at least one electrostatic chuck of any one of claims 1-8 and at least one adapter of any one of claims 9-10.

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