Electric suction cup

Abstract

The utility model provides an electric suction cup, which is used for adsorbing external devices and comprises a shell, a suction cup, a vacuumizing device and a starting assembly. The starting assembly comprises a movable part and a light-operated switch assembly, one end of the movable part is arranged outside the shell to form an abutting end, and a light-transmitting area and a shielding area are sequentially arranged on the movable part in the axial direction of the movable part; the light-operated switch assembly comprises a light emitter and a light receiver, the light receiver is electrically connected with the vacuumizing device to control starting and stopping of the vacuumizing device, and when the movable part moves in the axial direction of the movable part, one of the light-transmitting area and the shielding area is used for conducting a light path through which light emitted by the light emitter reaches the light receiver. And the other one of the light-transmitting area and the shielding area is used for blocking the light rays emitted by the light emitter from reaching a light path of the light receiver. The vacuumizing device of the electric suction cup can be automatically started and stopped, and the response speed is higher.

Description

Technical Field

[0001] This utility model relates to the field of installation parts technology, and in particular to an electric suction cup. Background Technology

[0002] With the widespread use of mobile electronic devices (such as smartphones and tablets) and professional photography and videography equipment, users' demand for expanding device functionality is growing, such as extending battery life by connecting external power banks and adding fill lights / flashes to improve shooting effects. To meet the need for quick attachment and removal of accessories, electric suction cups have emerged. They use the negative pressure suction force generated by a vacuum device to instantly fix the device to the equipment and use a connection structure to install external components.

[0003] However, the vacuuming device in existing electric suction cups generally relies on physical button switches for activation, requiring users to manually press the button to start the vacuuming device. Frequent button presses generate significant noise, which is particularly detrimental in quiet environments such as photography, videography, and meetings. Each activation requires precise button pressing, resulting in slow response and low automation. Utility Model Content

[0004] The purpose of this invention is to provide an electric suction cup that can control the start and stop of a vacuum device by switching on and off the optical path, thus achieving a higher degree of automation.

[0005] To solve the above-mentioned technical problems, this utility model provides an electric suction cup for adsorbing external devices, comprising:

[0006] A housing, the housing being hollow inside, and having a through hole;

[0007] A suction cup is disposed on the outer wall of the housing and corresponds to the position of the through hole. The suction cup is provided with an air suction hole that communicates with the through hole.

[0008] A vacuum pumping device is installed inside the housing; the air extraction port of the vacuum pumping device is connected to the through hole to form a sealed air passage.

[0009] The startup component includes:

[0010] The movable component is movably inserted into the air intake hole and the through hole. One end of the movable component is arranged outside the housing to form an abutment end. The movable component is provided with a light-transmitting area and a blocking area along its axial direction.

[0011] A light-controlled switch assembly includes a light emitter and a light receiver. The light receiver is electrically connected to the vacuum pumping device to control the start and stop of the vacuum pumping device. When the movable member moves along its axial direction, one of the light-transmitting area and the blocking area is used to conduct the light path of the light emitted by the light emitter to the light receiver, and the other of the light-transmitting area and the blocking area is used to block the light path of the light emitted by the light emitter to the light receiver.

[0012] In one exemplary embodiment of this disclosure, the light emitter and the light receiver are respectively disposed on opposite sides of the movable member, and the light receiver is located in the light path emitted by the light emitter;

[0013] When the external device does not contact the abutting end, the blocking area is located on the optical path to block the optical path, and the light receiver can generate a stop signal to the vacuum pumping device to control the vacuum pumping device to stop operating; when the external device presses against the abutting end to move the movable part a preset distance, the light-transmitting area is located on the optical path to make the optical path conduction, and the light receiver can generate a start signal to the vacuum pumping device to control the vacuum pumping device to start operating.

[0014] In one exemplary embodiment of this disclosure, the light-transmitting area is a light-transmitting through hole formed on the movable member; or, the light-transmitting area is a light-transmitting plate disposed on the movable member.

[0015] In one exemplary embodiment of this disclosure, the movable member is provided with the blocking area on both axial sides of the light-transmitting area, wherein one of the blocking areas is located at the end of the movable member away from the abutting end.

[0016] In one exemplary embodiment of this disclosure, the electric suction cup further includes an air chamber cover, which is disposed inside the through hole. The air chamber cover and the inner wall of the housing where the through hole is disposed enclose to form a sealed air chamber, which is connected to the air extraction port and the through hole of the vacuum device.

[0017] In one exemplary embodiment of this disclosure, the movable component includes an elastic body, a first protrusion protruding from one side of the body, and a second protrusion protruding from the other side of the body. The body is sandwiched between the air chamber cover and the inner wall of the housing where the through hole is provided. The first protrusion passes through the through hole and the air intake hole. The end of the first protrusion facing away from the body constitutes the abutting end. The second protrusion is provided with the light-transmitting area and the blocking area. When an external device presses against the abutting end, the body elastically contracts into the housing to make the air chamber and the through hole connected.

[0018] In one exemplary embodiment of this disclosure, the air chamber cover has a first ring protrusion on the side facing the through hole, and the housing has a second ring protrusion on the inner wall of the through hole. The outer side of the first ring is attached to the inner side of the second ring. The air chamber cover has a connecting hole inside the first ring, and the connecting hole is connected to the air extraction port of the vacuum device.

[0019] In one exemplary embodiment of this disclosure, a recess is formed on the side of the main body away from the first protruding post, and there is a gap between the bottom surface of the recess and the air chamber cover, and the second protruding post protrudes from the bottom surface of the recess.

[0020] A through hole is provided on the portion of the air chamber cover corresponding to the recess, and the second protrusion protrudes through the through hole.

[0021] In one exemplary embodiment of this disclosure, a limiting groove is provided on the inner wall of the through hole along the axial direction of the second protrusion, the second protrusion is engaged in the limiting groove and can move axially along the limiting groove.

[0022] In one exemplary embodiment of this disclosure, the electric suction cup further includes an air pipe and a pressure relief component. The air extraction port of the vacuum device is connected to the air chamber through the air pipe, so that the vacuum device can extract the gas in the air chamber. The pressure relief component is disposed on the air pipe and can connect the air pipe to the external environment to balance the air pressure of the air pipe and the external environment.

[0023] In one exemplary embodiment of this disclosure, the electric suction cup further includes a circuit board disposed within the housing and located on the side of the air chamber cover opposite to the through hole. The circuit board is electrically connected to the vacuuming device and the light receiver, and the circuit board is used to control whether the vacuuming device operates according to the signal output by the light receiver.

[0024] The circuit board is provided with a clearance groove for the second protrusion to pass through. The light receiver and the light transmitter are both connected to the circuit board and are located on opposite sides of the second protrusion.

[0025] As can be seen from the above technical solution, the beneficial effects of this utility model are as follows:

[0026] In this application, by setting a movable part and a light-controlled switch assembly, when the suction cup is attached to an external device, the movable part is pushed inward, causing axial displacement of the movable part. This causes the optical path between the light receiver and the light emitter in the light-controlled switch assembly to switch between blocking and conducting. The light receiver controls the vacuum pumping device to start according to the switching of the optical path, realizing the linkage between the vacuum pumping device and the external device. This achieves the automatic start and stop of the vacuum pumping device. Compared with the button switch in the prior art, the feedback is faster and the response speed is faster. It avoids the noise generated when the button is pressed and improves the user experience. Attached Figure Description

[0027] Figure 1 These are schematic diagrams of the electric chuck in some embodiments.

[0028] Figure 2 yes Figure 1 A cross-sectional schematic diagram.

[0029] Figure 3 These are schematic diagrams of the structure after the electric suction cup is hidden in the housing in some embodiments.

[0030] Figure 4 These are assembly diagrams of the air chamber cover and moving parts in some embodiments.

[0031] Figure 5 These are schematic diagrams of the moving parts in some embodiments.

[0032] Figure 6 These are schematic diagrams of the air chamber cover in some embodiments.

[0033] The annotations in the attached figures are explained as follows:

[0034] 1. Housing, 10. Through hole, 11. Second ring stop, 12. Third ring stop, 13. Second ring groove, 14. Connecting structure, 2. Suction cup, 20. Suction hole, 21. Fourth ring stop, 3. Vacuum device, 4. Air chamber cover, 40. First ring stop, 41. Through hole, 5. Air chamber, 6. Starting assembly, 60. Moving part, 60. Main body, 600. First protrusion, 601. Second protrusion, 602. Recess, 603. First ring groove, 604. Opening, 605. Light-transmitting area, 606. Obstruction area, 607. Limiting groove, 608. Light control switch assembly, 61. Light transmitter, 610. Light receiver, 611. Pressure relief component, 7. Pressure relief switch, 71. Pressure relief valve, 72. First pipeline, 73. Second pipeline, 8. Circuit board, 80. Wireless transmission module, 9. Battery. Detailed Implementation

[0035] Typical embodiments embodying the features and advantages of this utility model will be described in detail in the following description. It should be understood that this utility model can have various variations in different embodiments, all of which do not depart from the scope of this utility model, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this utility model.

[0036] In the description of this application, it should be understood that, in the embodiments shown in the accompanying drawings, the indications of direction or positional relationships (such as up, down, left, right, front, and back) are merely for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the accompanying drawings. If the description of the positions of these elements changes, these directional indications also change accordingly.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] See Figures 1 to 6 An electric suction cup 2 includes a housing 1, a suction cup 2, a vacuuming device 3, a starting component 6, an air chamber cover 4, a circuit board 8, and a pressure relief device. The housing 1 is the outer shell structure of the electric suction cup 2, and its interior is hollow, forming a cavity to accommodate other components of the electric suction cup 2. The housing 1 can be rectangular or cylindrical, and is not limited thereto.

[0039] In some embodiments, to facilitate the installation and disassembly of the housing 1, the housing 1 includes an upper shell and a lower cover. The upper shell is a semi-enclosed structure with an opening 605 at one end, and the lower cover covers the opening 605 of the upper shell to close the upper shell. The two can be connected by means of screws or snap-fits to achieve detachable installation.

[0040] In some embodiments, a through hole 10 is provided on the housing 1, and the cavity communicates with the external environment through the through hole 10. The through hole 10 can be provided on one side of the outer wall of the housing 1, and a connection structure 14 can be provided on the other side of the outer wall of the housing 1 opposite to the through hole 10. The connection structure 14 is used to install external devices, such as cold shoe, bayonet, thread, gimbal, etc. The external devices can be flashlights, film and television lights, fill lights, and various optical accessories.

[0041] In some embodiments, the suction cup 2 is disposed on the outer wall of the housing 1 and corresponds to the position of the through hole 10. The suction cup 2 is used to attach to external devices, such as various electronic devices and photographic / video recording devices, thereby making installation more convenient. For example, when the external device is a camera in a photographic / video recording device, the connection structure 14 can be a cold shoe. In this way, when quickly installing a flash, the flash can be mounted to the electric suction cup 2 through the cold shoe, and the electric suction cup 2 is attached to the camera through the suction cup 2, realizing quick-release use of the flash and the camera.

[0042] In some embodiments, the suction cup 2 is provided with an air suction hole 20 that communicates with the through hole 10, thereby allowing the outside of the suction cup 2 to communicate with the inside of the housing 1 through the air suction hole 20 and the through hole 10. To prevent air leakage when the suction cup 2 is adsorbing, the outer wall of the through hole 10 between the suction cup 2 and the housing 1 is sealed, so that air cannot escape from the space between the suction cup 2 and the outer wall of the housing 1 when the suction cup 2 is adsorbing.

[0043] In some embodiments, the vacuum device 3 is used to extract air from a space to maintain a vacuum state. The vacuum device 3 has an air extraction port, which is connected to the through hole 10 to form a sealed air passage. After the vacuum device 3 is activated, it can extract air from the air passage. Thus, when an external device is attached to the outer surface of the suction cup 2, the vacuum device 3 can continue to extract air from the space between the outer surface of the suction cup 2 and the device through the through hole 10 and the air extraction port 20. This creates a negative pressure on the outer surface of the suction cup 2, which then adsorbs the external device, making the device and the suction cup 2 firmly adhere together.

[0044] In some embodiments, the activation component 6 includes a movable member 60 and a light-controlled switch component 61. The movable member 60 is movably disposed in the air intake 20 and the through hole 10. One end of the movable member 60 is arranged outside the housing 1 to form an abutment end. The movable member 60 is provided with a light-transmitting area 606 and a blocking area 607 sequentially along its axial direction. The light-transmitting area 606 allows light to pass through, while the blocking area 607 blocks light from passing through.

[0045] In some embodiments, the light-controlled switch assembly 61 includes a light emitter 610 and a light receiver 611, the light receiver 611 being electrically connected to a vacuum pumping device 3 to control the start and stop of the vacuum pumping device 3. When the movable member 60 moves along its axial direction, one of the light-transmitting area 606 and the blocking area 607 is used to conduct the light path from the light emitted by the light emitter 610 to the light receiver 611, and the other of the light-transmitting area 606 and the blocking area 607 is used to block the light path from the light emitted by the light emitter 610 to the light receiver 611.

[0046] In some embodiments, the light emitter 610 and the light receiver 611 can be located on the same side of the movable member 60. The blocking area 607 has a certain light reflection capability. The light emitted by the light emitter 610 can be received by the light receiver after being reflected by the blocking area 606. At this time, the blocking area 606 is used to conduct the light path, while the light-transmitting area 607 is used to block the light path. The blocking area 606 can be made of silicone to give it a certain light emission capability. The surface of the blocking area 606 can also be coated with a highly reflective material layer, such as aluminum sheet and reflective coating, to improve the light reflection capability.

[0047] When the external device is not in contact with the abutment end, the electro-chuck is in its initial working state, and the light-transmitting area 607 can be located in the optical path. Light is emitted directly from the light-transmitting area 607, and the light receiver 611 cannot receive the light, thus blocking the optical path. Based on this, the light receiver 611 can control the vacuum pumping device 3 to stop operating. When the external device presses against the abutment end, causing the moving part to move a preset distance, the blocking area 606 is located in the optical path. The light emitted by the light emitter 610 can reach the light receiver after being reflected by the blocking area, thus opening the optical path. The light receiver 611 then controls the vacuum pumping device 3 to start operating.

[0048] In some embodiments, the light emitter 610 and the light receiver 611 may be respectively disposed on opposite sides of the movable member 60, with the movable member 60 located in the optical path of the light emitted by the light emitter 610. The light receiver 611 is used to receive the light emitted by the light emitter 610. In this case, the blocking area 606 is used to block the optical path, and the light-transmitting area 607 is used to conduct the optical path. The optical path of the light emitted by the light emitter 610 may be perpendicular to the axial direction of the movable member 60, or it may intersect the axial direction of the movable member 60 at an angle.

[0049] When the external device is not in contact with the abutment end, the electro-chuck 2 is in its initial working state, and the blocking area 607 is located in the optical path to block the optical path. The light receiver 611 cannot receive the light emitted by the light emitter 610. Based on this, the light receiver 611 can generate a stop signal to the vacuum pumping device 3 to control the vacuum pumping device 3 to stop operating, and the vacuum pumping device 3 is in a standby state. When the external device presses against the abutment end and moves the movable part 60 a preset distance, the light-transmitting area 606 is located in the optical path to make the optical path conductive. The light receiver 611 can receive the light emitted by the light emitter 610. Based on this, the light receiver 611 can generate a start signal to the vacuum pumping device 3 to control the vacuum pumping device 3 to start operating.

[0050] In this embodiment, by setting the movable part 60 and the light-controlled switch assembly 61, when the suction cup 2 is adsorbed onto the external device, the movable part 60 is pushed inward, causing the movable part 60 to generate axial displacement. This changes the light path between the light receiver 611 and the light emitter 610 in the light-controlled switch assembly 61 from blocked to conductive. The light receiver 611 generates a start signal to the vacuum pumping device 3 to control the vacuum pumping device 3 to start, realizing the linkage between the vacuum pumping device 3 and the external device. This achieves the automatic start and stop of the vacuum pumping device 3. Compared with the button switch in the prior art, the feedback is faster and the response speed is faster. It avoids the noise generated when the button is pressed and improves the product user experience.

[0051] In some embodiments, the light-transmitting area 606 is a light-transmitting through-hole 10 formed on the movable member 60. When the light-transmitting through-hole 10 is aligned with the optical path, the light emitted by the light emitter 610 can be emitted through the light-transmitting through-hole 10, thereby conducting the optical path and enabling the light receiver 611 to receive the light and generate an activation signal. The light-transmitting through-hole 10 can be a round hole or a square hole, as long as the movable member 60 can be moved so that the light-transmitting through-hole 10 can be positioned on the optical path to allow light to pass through.

[0052] In some embodiments, the light-transmitting area 606 can also be a light-transmitting plate disposed on the movable member 60. The light-transmitting plate is a sheet structure made of transparent material. When the light-transmitting plate is aligned with the light path, light is emitted from the light-transmitting plate, thereby conducting the light path and allowing the light receiver 611 to receive the light. The light-transmitting plate can be a separate component from the movable member 60. The movable member 60 is provided with a through groove for mounting the light-transmitting plate, and the light-transmitting plate is mounted on the through groove to connect with the movable member 60. Alternatively, the light-transmitting plate can be integrally formed with the movable member 60, and a portion of the movable member 60 is made of light-transmitting material to form the light-transmitting area 606.

[0053] In some embodiments, the blocking area 607 needs to block light to prevent light from passing through. A portion of the movable member 60 can be made of black light-blocking material to form the blocking area 607. A portion of the movable member 60 can also have a certain solid thickness to directly block the light.

[0054] See Figure 4 In some embodiments, the movable member 60 has blocking areas 607 on both axial sides of the light-transmitting area 606, one of which is located at the end of the movable member 60 away from the contact end. When the external device does not contact the contact end, the blocking area 607 at the end of the movable member 60 away from its contact end is located in the optical path to block the optical path. At this time, the light receiver 611 cannot receive light and generates a stop signal to the vacuum device 3, which then stops operating and enters a standby state.

[0055] When the electric suction cup 2 is used to adsorb external devices, the external devices press against the contact end, causing the movable part 60 to move axially, and causing the blocking area 607 and the light path to move relative to each other. When the movable part 60 moves a preset distance, the light-transmitting area 606 is positioned on the light path, causing the light path to be connected. The light receiver 611 can receive the light and generate a start signal to the vacuum device 3. The vacuum device 3 starts to operate and begins to evacuate the air passage, causing a negative pressure to be generated on the outer surface of the suction cup 2, and the external devices are adsorbed.

[0056] When the contact end is continuously pressed, the movable part 60 moves until the light-transmitting area 606 is misaligned with the light path, and the blocking area 607 near the suction cup 2 aligns with the light path, the light path is blocked again. The light receiver 611 generates a stop signal to the vacuum device 3, and the vacuum device 3 stops operating. At this time, the suction cup 2 reaches its maximum adsorption force. When the adsorption force is insufficient, the pressure difference between the space between the outer surface of the suction cup 2 and the device surface and the external environment will decrease, and the movable part 60 will move outward, thereby misaligning the blocking area 607 with the light path until the light-transmitting area 606 aligns with the light path. At this time, the light receiver 611 generates a start signal to the vacuum device 3, and the vacuum device 3 starts operating to maintain the adsorption state of the suction cup 2.

[0057] It should be noted that the light-transmitting area 606 should have a certain length in the axial direction of the moving part 60 so that the light path will not jump directly from being aligned with the light-transmitting area 606 to being aligned with the blocking area 607. When pressing the external device to the contact end, the vacuum device 3 has enough time to operate so that the outer surface of the suction cup 2 reaches a suitable negative pressure.

[0058] In some embodiments, the air chamber cover 4 is disposed inside the through hole 10, and the air chamber cover 4 and the housing 1 are provided with the inner wall of the through hole 10 to form a sealed air chamber 5. The air chamber 5 is connected to the air extraction port of the vacuum device 3 and the through hole 10 respectively. The air extraction port and the through hole 10 are connected through the formed air chamber 5 to avoid direct connection between the two, and the air chamber 5 has a better venting effect.

[0059] In some embodiments, the air chamber cover 4 can be flat or other shapes, as long as it can enclose the inner wall of the housing 1 to form an air chamber 5 with a certain space. When the air chamber 5 is formed by setting the air chamber cover 4, the air passage formed by the air extraction port and the through hole 10 is located in the air chamber 5, and the air chamber 5 includes the aforementioned air passage.

[0060] In some embodiments, a first annular baffle 40 protrudes from the side of the air chamber cover 4 facing the through hole 10. The first annular baffle 40 is annularly arranged and extends along the axial direction of the through hole 10 in the direction of the through hole 10. A second annular baffle 11 protrudes from the inner wall of the through hole 10. The second annular baffle 11 is annularly arranged and extends along the axial direction of the through hole 10 in the direction of the air chamber cover 4. The outer surface of the first annular baffle 40 is fitted to the inner surface of the second annular baffle 11, so that the first annular baffle 40 constitutes the side wall surface of the air chamber 5. The fitted arrangement of the first annular baffle 40 and the second annular baffle 11 increases the difficulty of air leakage between them, thereby improving the airtightness of the air chamber 5.

[0061] In some embodiments, a sealing ring may be provided between the first ring 40 and the second ring 11 to further improve the sealing performance of both and prevent the vacuum device 3 from failing to expel the air in the air chamber 5 during operation, thus affecting the adsorption force of the suction cup 2.

[0062] In some embodiments, the air chamber cover 4 is further provided with a connecting hole inside the first ring 40, and the connecting hole is connected to the air extraction port of the vacuum device 3.

[0063] See Figure 2 In some embodiments, the movable component 60 may include an elastic body 600, a first protrusion 601 protruding from one side of the body 600, and a second protrusion 602 protruding from the other side of the body 600. The body 600 is elastic and can undergo elastic deformation when compressed, and may be made of rubber or liquid silicone. The body 600 is sandwiched between the air chamber cover 4 and the inner wall of the housing 1 where the through hole 10 is located, and the body 600 is supported and limited by the air chamber cover 4 and the inner wall of the housing 1. The first protrusion 601 passes through the through hole 10 and the air intake hole 20, and the end of the first protrusion 601 facing away from the body 600 forms an abutment end. The second protrusion 602 has a light-transmitting area 606 and a blocking area 607. When the external device presses against the contact end, the main body 600 elastically contracts into the housing 1 to connect the air chamber 5 and the through hole 10. The first protrusion 601 and the main body 600 move in the axial direction of the through hole 10, which facilitates the switching of the light-transmitting area 606 and the blocking area 607 in the optical path.

[0064] In this embodiment, the light-transmitting area 606 on the second protrusion 602 is a light-transmitting through hole 10 opened on the second protrusion 602, and the area surrounding the light-transmitting through hole 10 on the second protrusion 602 constitutes a blocking area 607, which is made of black light-blocking material.

[0065] In some embodiments, in order to provide the main body 600 with a larger retraction space, the device can more easily push against the movable member 60 inside the housing 1. A recess 603 is formed on the side of the main body 600 opposite to the first protrusion 601. There is a gap between the bottom surface of the recess 603 and the air chamber cover 4, thereby forming a space for the main body 600 to retract into the housing 1.

[0066] In some embodiments, a through hole 41 may be provided on the portion of the air chamber cover 4 corresponding to the recess 603, so that the body 600 has more space to retract into the housing 1. It should be noted that the area on the body 600 located outside the recess 603 abuts against the air chamber cover 4. At this time, the air chamber 5 is annular and is arranged around the recess 603 to prevent air leakage from the air chamber 5.

[0067] In some embodiments, the second protrusion 602 protrudes from the bottom surface of the recess 603 and extends through the through hole 41. The second protrusion 602 can be integrally formed with the main body 600, or it can be a separate component from the main body 600, and the two can be fixedly connected together by means of bonding or screwing.

[0068] In some embodiments, a limiting groove 608 is provided on the inner wall of the through hole 41 along the axial direction of the second protrusion 602. The second protrusion 602 is engaged in the limiting groove 608 and can move axially along the limiting groove 608. By providing the limiting groove 608, the axial movement of the second protrusion 602 is limited to prevent it from deviating and thus failing to align with the optical path.

[0069] In some embodiments, the inner wall of the through hole 10 of the housing 1 is provided with a third annular stop 12, which is located inside the second annular stop 11. The side of the main body 600 where the first protrusion 601 is provided has a first annular groove 604. The first annular groove 604 and the third annular stop 12 are arranged coaxially, so that the third annular stop 12 is engaged in the first annular groove 604, which can further limit the position of the main body 600. The first annular groove 604 can also be arranged coaxially with the protrusion.

[0070] In some embodiments, the first annular groove 604 has two opposing groove walls. One of the groove walls, away from the first protrusion 601, extends towards the second annular stop 11 and abuts against the inner side of the second annular stop 11. The groove wall away from the first protrusion 601 has an opening 605, which communicates with a connecting hole, thereby communicating with the air extraction port of the vacuum device 3. The third annular stop 12 has a through hole communicating with the opening 605. When the device abuts against the first protrusion 601, causing the main body 600 to elastically contract into the housing 1, a gap is formed between the groove wall closer to the first protrusion 601 and the third annular stop 12. This gap communicates with the through hole, allowing the vacuum device 3 to expel the air between the outer surface of the suction cup 2 and the device, creating a negative pressure on the outer surface of the suction cup 2 to adsorb the device.

[0071] In some embodiments, a notch is provided on a portion of the two groove walls that extends toward the second ring stop 11 away from the first protrusion 601, and a snap-fit ​​part is provided at the corresponding notch of the second ring stop 11. By snapping the snap-fit ​​part into the notch, the position between the main body 600 and the housing 1 can be positioned so that after installation, the opening 605 is exactly opposite to and connected to the connecting hole. At the same time, by snapping the snap-fit ​​part into the notch, the connection between the main body 600 and the housing 1 can be made more secure.

[0072] In some embodiments, because the main body 600 is elastic, when the main body 600 elastically contracts into the housing 1, it will cause the main body 600 to contract towards the air chamber cover 4, thereby creating a larger gap between the third ring baffle 12 and one of the two groove walls near the first protrusion 601. This gap can communicate with the through hole 10 and the suction hole 20 through the gap between the main body 600 and the inner wall of the housing 1, so that the vacuum device 3 can extract the air in the space between the outer surface of the suction cup 2 and the device. It should be noted that when the first protrusion 601 is not blocked by the device, the main body 600 is tightly fitted between the air chamber cover 4 and the inner wall of the housing 1 by its own elasticity, and the third ring baffle 12 and the groove wall of the groove are tightly fitted together. At this time, the through hole is not connected to the outside, and the air chamber 5 is sealed.

[0073] In some embodiments, the suction cup 2 has a plurality of fourth annular stops 21 spaced apart on the annular groove suction hole 20 facing the housing 1, and the housing 1 has a plurality of second annular grooves 13 spaced apart around the through hole 10 on the side facing the suction cup 2. The plurality of fourth annular stops 21 are engaged one-to-one with the plurality of second annular grooves 13, thereby improving the sealing between the suction cup 2 and the housing 1 in the direction parallel to the outer wall of the housing 1, so that the air at the through hole 10 can hardly leak out from the plurality of second annular grooves 13 and the fourth annular stops 21, so that the vacuum device 3 can effectively extract the air in the space between the outer surface of the suction cup 2 and the device during operation. In this embodiment, two of each of the fourth annular stops 21 and the second annular grooves 13 can be provided, and the fourth annular stops 21 and the second annular grooves 13 can be arranged coaxially with the first protrusion 601.

[0074] In some embodiments, the fourth ring stop 21 may also protrude on the side of the housing 1 facing the suction cup 2, and correspondingly, the second ring groove 13 may be formed on the side of the suction cup 2 facing the housing 1.

[0075] See Figure 3In some embodiments, to improve the user experience, a pressure relief device can be provided to help remove the device from the suction cup 2. The pressure relief device includes a pressure relief component 7 and an air pipe. The vacuuming device 3's suction port is connected to the air chamber 5 via the air pipe, allowing the vacuuming device 3 to extract gas from the air chamber 5. The pressure relief component 7 is located on the air pipe, connecting the air passage to the external environment to balance the air pressure between the air passage and the external environment. This releases the negative pressure on the outer surface of the suction cup 2, allowing the suction cup 2 to be easily removed from the device.

[0076] In some embodiments, the pressure relief component 7 includes a pressure relief valve 71 and a pressure relief switch 70, and the air pipe includes a first pipe 72 and a second pipe 73. The suction port of the vacuum device 3 is connected to the pressure relief valve 71 through the first pipe 72, and the pressure relief valve 71 is connected to the through hole 10 through the second pipe 73, specifically, it can be connected to the through hole. The pressure relief switch 70 is connected to the pressure relief valve 71 to open and close the pressure relief valve 71. When the pressure relief switch 70 closes the pressure relief valve 71, the suction port of the vacuum device 3 forms a closed air passage through the first pipe 72 and the second pipe 73. After the vacuum device 3 is started, it can exhaust the air in the air passage, that is, the air chamber 5, thereby creating a negative pressure on the outer surface of the suction cup 2 to adsorb the device.

[0077] When the pressure relief switch 70 opens the pressure relief valve 71, air from outside the pressure relief valve 71 can enter the pressure relief valve 71 to fill the air passage, reducing the pressure difference between the air passage and the external environment until it becomes zero. This causes the negative pressure on the outer surface of the suction cup 2 to disappear, the suction force of the suction cup 2 on the device to disappear, and the device can be easily detached from the suction cup 2, thus avoiding the need to manually and laboriously remove the device from the suction cup 2 and improving the user experience.

[0078] It should be noted that the pressure relief valve 71 can be a three-way valve. The first pipeline 72, the second pipeline 73 and the pressure relief switch 70 are all connected to the opening 605 of the pressure relief valve 71. The pressure relief switch 70 can control whether the pressure relief valve 71 is connected to the outside.

[0079] In some embodiments, one end of the pressure relief switch 70 extends outside the housing 1, and this end is the control terminal of the pressure relief switch 70. Pressing the pressure relief switch 70 with external force controls the opening and closing of the pressure relief valve 71. When the pressure relief switch 70 opens the pressure relief valve 71, air from inside the housing 1 can enter the pressure relief valve 71, or air from outside the housing 1 can enter the pressure relief valve 71 through the pressure relief switch 70.

[0080] In some embodiments, the circuit board 8 is disposed within the housing 1 and located on the side of the air chamber cover 4 opposite to the through hole 10. The circuit board 8 is plate-shaped, maximizing the use of the internal space of the housing 1, and is parallel to the air chamber cover 4. The circuit board 8 is electrically connected to the vacuum pumping device 3 and the photodetector 611. The circuit board 8 is used to control the operation of the vacuum pumping device 3 according to the signal output by the photodetector 611. For example, if the photodetector 611 outputs a stop signal to the circuit board 8, the circuit board 8 will then control the vacuum pumping device 3 to stop operating. If the photodetector 611 outputs a start signal to the circuit board 8, the circuit board 8 will then control the vacuum pumping device 3 to start operating.

[0081] In some embodiments, the circuit board 8 is provided with a clearance groove through which the second protrusion 602 passes. The light receiver 611 and the light transmitter 610 are both connected to the circuit board 8 and located on opposite sides of the second protrusion 602, so that the circuit board 8 directly provides power to the light receiver 611 and the light transmitter 610, and the signal generated by the light receiver 611 is transmitted to the circuit board 8 in real time.

[0082] In some embodiments, the light receiver 611 and the light transmitter 610 may be an infrared light receiver and an infrared light transmitter, or they may be a laser receiver and a laser transmitter.

[0083] In some embodiments, the vacuum pumping device 3 can be an air pump, with the air inlet of the air pump serving as the suction port of the vacuum pumping device 3. The vacuum pumping device 3 can include various types of air pumps, such as rotary vane / blade vacuum pumps, diaphragm vacuum pumps, and piston pumps. The vacuum pumping device 3 can also be a jet pump, diffusion pump, or cryogenic pump, etc.

[0084] In some embodiments, the electric suction cup 2 may also include a battery 9, which is disposed in the housing 1 and electrically connected to the vacuum device 3 and the circuit board 8, for supplying power to the vacuum device 3 and the circuit board 8.

[0085] In some embodiments, the electric suction cup 2 may also include a wireless transmission module 80, which is disposed on the circuit board 8. The wireless transmission module 80 can transmit the electric suction cup 2's power information, estimated usage time, power alarm information, and pressure alarm information to external devices, such as a mobile APP, so as to monitor the status of the electric suction cup 2 in real time, improve the safety of the electric suction cup 2, and realize centralized monitoring of multiple points and multiple devices to meet the management requirements of multiple devices in large-scale scenarios.

[0086] In some embodiments, the wireless transmission module 80 may employ wireless communication technologies such as Bluetooth, NFC, and Wi-Fi to enable signal communication with external devices such as mobile apps, smart furniture control consoles, camera control consoles, and wireless controllers.

[0087] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. An electric suction cup for adsorbing external devices, characterized in that, include: A housing, the housing being hollow inside, and having a through hole; A suction cup is disposed on the outer wall of the housing and corresponds to the position of the through hole. The suction cup is provided with an air suction hole that communicates with the through hole. A vacuum pumping device is installed inside the housing; the air extraction port of the vacuum pumping device is connected to the through hole to form a sealed air passage. The startup component includes: The movable component is movably inserted into the air intake hole and the through hole. One end of the movable component is arranged outside the housing to form an abutment end. The movable component is provided with a light-transmitting area and a blocking area along its axial direction. A light-controlled switch assembly includes a light emitter and a light receiver. The light receiver is electrically connected to the vacuum pumping device to control the start and stop of the vacuum pumping device. When the movable member moves along its axial direction, one of the light-transmitting area and the blocking area is used to conduct the light path of the light emitted by the light emitter to the light receiver, and the other of the light-transmitting area and the blocking area is used to block the light path of the light emitted by the light emitter to the light receiver.

2. The electric suction cup according to claim 1, characterized in that, The light emitter and the light receiver are respectively disposed on opposite sides of the movable member, and the light receiver is located in the light path of the light emitted by the light emitter. When the external device does not contact the abutting end, the blocking area is located on the optical path to block the optical path, and the light receiver can generate a stop signal to the vacuum pumping device to control the vacuum pumping device to stop operating; when the external device presses against the abutting end to move the movable part a preset distance, the light-transmitting area is located on the optical path to make the optical path conduction, and the light receiver can generate a start signal to the vacuum pumping device to control the vacuum pumping device to start operating.

3. The electric suction cup according to claim 1, characterized in that, The light-transmitting area is a light-transmitting through hole opened on the movable part; or, the light-transmitting area is a light-transmitting plate disposed on the movable part.

4. The electric suction cup according to claim 2, characterized in that, The movable component has a blocking area on both sides of the light-transmitting area, and one of the blocking areas is located at the end of the movable component away from the abutting end.

5. The electric suction cup according to claim 1, characterized in that, The electric suction cup also includes an air chamber cover, which is disposed inside the through hole. The air chamber cover and the inner wall of the housing with the through hole form a sealed air chamber, which is connected to the air extraction port and the through hole of the vacuum device.

6. The electric suction cup according to claim 5, characterized in that, The movable component includes an elastic body, a first protrusion protruding from one side of the body, and a second protrusion protruding from the other side of the body. The body is sandwiched between the air chamber cover and the inner wall of the housing where the through hole is provided. The first protrusion passes through the through hole and the air intake hole. The end of the first protrusion facing away from the body constitutes the abutting end. The second protrusion is provided with the light-transmitting area and the blocking area. When an external device presses against the abutting end, the body elastically contracts into the housing to make the air chamber and the through hole connected.

7. The electric suction cup according to claim 6, characterized in that, The air chamber cover has a first ring protrusion on the side facing the through hole, and the housing has a second ring protrusion on the inner wall of the through hole. The outer side of the first ring is attached to the inner side of the second ring. The air chamber cover has a connecting hole inside the first ring, and the connecting hole is connected to the air extraction port of the vacuum device.

8. The electric suction cup according to claim 6, characterized in that, The main body has a recessed portion on the side away from the first protruding post, and there is a gap between the bottom surface of the recessed portion and the air chamber cover. The second protruding post protrudes from the bottom surface of the recessed portion. A through hole is provided on the portion of the air chamber cover corresponding to the recess, and the second protrusion protrudes through the through hole.

9. The electric chuck according to claim 8, characterized in that, The inner wall of the through hole is provided with a limiting groove opened along the axial direction of the second protrusion. The second protrusion is engaged in the limiting groove and can move along the axial direction of the limiting groove.

10. The electric suction cup according to claim 8, characterized in that, The electric suction cup also includes an air pipe and a pressure relief component. The air extraction port of the vacuum device is connected to the air chamber through the air pipe, so that the vacuum device can extract the gas in the air chamber. The pressure relief component is installed on the air pipe, and the pressure relief component can connect the air pipe to the external environment to balance the air pressure of the air pipe and the external environment.

11. The electric suction cup according to claim 10, characterized in that, The electric suction cup also includes a circuit board, which is disposed inside the housing and located on the side of the air chamber cover opposite to the through hole. The circuit board is electrically connected to the vacuuming device and the light receiver. The circuit board is used to control whether the vacuuming device operates according to the signal output by the light receiver. The circuit board is provided with a clearance groove for the second protrusion to pass through. The light receiver and the light transmitter are both connected to the circuit board and are located on opposite sides of the second protrusion.

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