Chuck quick change device

Abstract

The utility model provides a kind of chuck quick-change device, it is related to the material transfer tooling module of automation production equipment technical field, including male seat module, female seat module, air cock and gas joint. Male seat module is equipped with protruding part, protruding part outer wall is equipped with clamping groove, and inside is equipped with first air passage;Female seat module is equipped with limiting groove and the second air passage being communicated with limiting groove, and limiting groove inner wall is equipped with elastic clamping part, protruding part is inserted with limiting groove and is matched, and elastic clamping part is elastically clamped with clamping groove, and the second air passage is communicated with first air passage;Suction nozzle is located in male seat module, and is communicated with first air passage;Gas joint is located in female seat module and is communicated with second air passage.The utility model is inserted by protruding part of male seat module and limiting groove of female seat module, and is installed using elastic clamping part and clamping groove elastic clamping, and good fixing effect, and also can be pulled out by external force, convenient to assemble and disassemble, without additional tool, efficiency is higher, component is not damaged in assembling and disassembling process, and maintenance cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of material transfer tooling modules for automated production equipment, and in particular to a suction cup quick-change device. Background Technology

[0002] In automated production equipment, suction cups are commonly used to grip, move, or fix workpieces. In existing technology, suction cups are typically connected to a mounting base using screws. The screws pass through the mounting holes of the suction cup and are screwed into the threaded holes of the mounting base. The clamping force of the threads secures the suction cup to the mounting base. The mounting holes of the suction cup are usually designed to be circular or elongated to accommodate different installation requirements. The specifications and number of screws are selected based on the size of the suction cup and the load requirements. While this fixing method provides strong stability and reliability, it has some significant drawbacks in practical applications, especially in scenarios where frequent replacement or adjustment of the suction cup is required:

[0003] (1) Cumbersome disassembly and assembly: Each time the suction cup is replaced or adjusted, tools (such as screwdrivers or wrenches) are required to tighten or loosen the screws, which involves many steps and takes a long time; (2) Strong tool dependence: The disassembly and assembly process must rely on specific tools. If the tools are not complete or lost, disassembly and assembly cannot be carried out; (3) Screws are easy to lose: During frequent disassembly and assembly, screws are easy to lose or be damaged, which increases maintenance costs; (4) High installation accuracy requirements: Screw fixing requires precise alignment of the mounting holes, especially when multiple screws are fixed. Deviations are easy to occur during installation, affecting the stability of the suction cup; (5) Damage to the base: Frequent tightening of screws may cause wear on the threaded holes of the base, resulting in loose screws or inability to tighten them. Utility Model Content

[0004] The purpose of this invention is to provide a suction cup quick-change device to alleviate the aforementioned technical problems in the prior art.

[0005] To achieve the above objectives, the embodiments of this utility model adopt the following technical solutions:

[0006] This utility model provides a suction cup quick-change device, including a male base module, a female base module, an air nozzle, and an air connector. The male base module has a protrusion with a groove on its outer wall and a first air passage inside. The female base module has a limiting groove and a second air passage communicating with the limiting groove. The inner wall of the limiting groove has an elastic locking part. The protrusion is inserted into the limiting groove, and the elastic locking part is elastically locked with the groove. The second air passage communicates with the first air passage. The suction nozzle is located on the male base module and communicates with the first air passage. The air connector is located on the female base module and communicates with the second air passage.

[0007] In an optional embodiment of this example, the male connector module includes a first base and a male connector. The first base is connected to a suction nozzle; the male connector is disposed on the first base and forms a protrusion, has a groove on its outer wall, and is hollow inside, with the first base connecting the suction nozzle and the male connector.

[0008] In an optional embodiment of this example, the male connector module further includes a first connecting seat, a first sealing ring, and a second sealing ring. The first connecting seat is connected between the male connector and the first base; the first sealing ring is disposed between the first connecting seat and the first base; and the second sealing ring is disposed between the first connecting seat and the male connector.

[0009] In an optional embodiment of this example, the female connector module includes a second base and a female connector. The second base is connected to an air connector; the female connector is disposed on the second base, is hollow inside and forms at least a partial limiting groove, and is provided with an elastic snap-fit ​​portion, and the second base connects the air connector and the female connector.

[0010] In an optional embodiment of this example, the female connector module further includes a second connecting seat, a third sealing ring, and a fourth sealing ring. The second connecting seat is connected between the female head and the second base; the third sealing ring is disposed between the second connecting seat and the female head; and the fourth sealing ring is disposed between the second connecting seat and the second base.

[0011] In an optional embodiment of this example, the male connector is provided with a first slot and a second slot, the female connector is provided with a first elastic snap-fit ​​part, and the second connector is provided with a second elastic snap-fit ​​part. The first elastic snap-fit ​​part is elastically snapped into the first slot, and the second elastic snap-fit ​​part is elastically snapped into the second slot.

[0012] In an optional embodiment of this example, the first elastic snap-fit ​​part includes a first snap-fit ​​bead, the female head is provided with a first clearance hole, the first snap-fit ​​bead can protrude partially through the first clearance hole and is located in the first slot, and the first snap-fit ​​bead is limited between the third sealing ring and the clearance hole; and / or, the second elastic snap-fit ​​part includes a fixing member, an elastic member and a second snap-fit ​​bead, the fixing member is provided on the second connecting seat, the fixing member is hollow inside and has a second clearance hole, the elastic member is provided inside the fixing member, the second snap-fit ​​bead is at least partially located inside the fixing member and abuts against the elastic member, and the second snap-fit ​​bead can protrude partially through the second clearance hole and is located in the second slot.

[0013] In an optional embodiment of this example, the male seat module is provided with a positioning protrusion, and the female seat module is provided with a positioning groove. The positioning protrusion matches the positioning groove. The positioning protrusion is provided with a guide slope. When the male seat module and the female seat module rotate relative to each other, the male seat module and the female seat module disengage under the guidance of the guide slope.

[0014] In an optional embodiment of this example, the suction cup quick-change device further includes a lifting module, which is connected to the female base module; the lifting module is provided with a first limit buffer and a second limit buffer, which are used to limit the lifting process of the lifting module.

[0015] In an optional embodiment of this invention, the suction cup quick-change device further includes a rotating module, which is connected to the lifting module.

[0016] This embodiment can achieve at least the following beneficial effects:

[0017] In this embodiment, the suction cup quick-change device is installed by interlocking the protrusion of the male connector module with the limiting groove of the female connector module, and then using the elastic snap-fit ​​part to elastically snap into the slot. This provides good fixation and allows for easy removal by external force, making installation and removal convenient and requiring no additional tools, thus increasing efficiency. The design of the elastic snap-fit ​​part and slot ensures a stable connection, preventing loosening due to vibration or other external factors, thereby guaranteeing the reliability of the suction cup quick-change device during operation. The first air passage of the male connector module and the second air passage of the female connector module are automatically connected through the plug-in connection, and the suction nozzle is connected to the first air passage, and the air connector is connected to the second air passage, achieving rapid switching and seamless connection of the air paths. This meets practical application requirements, and the installation and removal process does not damage components, reducing wear and tear caused by frequent replacement or maintenance, thereby effectively reducing equipment maintenance costs. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A schematic diagram of the overall structure of the suction cup quick-change device provided in this embodiment of the utility model;

[0020] Figure 2 A partial structural schematic diagram of the suction cup quick-change device provided in an embodiment of this utility model;

[0021] Figure 3 A schematic diagram illustrating the structure of the male and female connector modules in cooperation with each other, as provided in this embodiment of the utility model.

[0022] Figure 4 A cross-sectional schematic diagram showing the cooperation between the male and female socket modules provided in this embodiment of the utility model;

[0023] Figure 5A schematic diagram of the structure of the public seat module provided in this embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the female connector module provided in an embodiment of the present utility model;

[0025] Figure 7 A cross-sectional schematic diagram of the second base provided in an embodiment of this utility model.

[0026] Icons: 10-Male module; 101-First base; 102-Male head; 1021-First slot; 1022-Second slot; 103-First connecting seat; 104-First sealing ring; 105-Second sealing ring; 106-Alignment protrusion; 20-Female module; 201-Second base; 2011-First position; 2012-Second position; 202-Female head; 203-Third sealing ring; 204-Fourth sealing ring; 205-First elastic snap-fit ​​part; 206-Second elastic snap-fit ​​part; 207-Alignment groove; 208-Second connecting seat; 30-Nose; 40-Air connector; 50-Lifting module; 501-First limit buffer; 502-Second limit buffer; 503-Moving module; 504-Mounting point; 60-Rotating module; 70-Rotating platform. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the accompanying drawings indicate similar items. Therefore, once an item is defined in one accompanying drawing, it does not need to be further defined and explained in subsequent accompanying drawings.

[0030] In the description of this utility model, it should be noted that the terms "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] Furthermore, the terms "horizontal" and "vertical" do not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0034] This utility model embodiment provides a suction cup quick-change device, see reference. Figures 1 to 7 The suction cup quick-change device includes a male connector module 10, a female connector module 20, an air nozzle, and an air connector 40. The male connector module 10 has a protrusion with a groove on its outer wall and a first air passage inside. The female connector module 20 has a limiting groove and a second air passage communicating with the limiting groove. The inner wall of the limiting groove has an elastic locking part. The protrusion is inserted into the limiting groove, and the elastic locking part is elastically locked with the groove. The second air passage is communicating with the first air passage. The suction nozzle 30 is located on the male connector module 10 and communicates with the first air passage. The air connector 40 is located on the female connector module 20 and communicates with the second air passage.

[0035] In this embodiment, the suction cup quick-change device is installed by interlocking the protrusion of the male connector module 10 with the limiting groove of the female connector module 20, and by using the elastic snap-fit ​​part to elastically snap into the slot. This provides good fixation and allows for easy removal by external force, making installation and removal convenient and requiring no additional tools, thus increasing efficiency. The design of the elastic snap-fit ​​part and slot ensures a stable connection, preventing loosening due to vibration or other external factors, thereby guaranteeing the reliability of the suction cup quick-change device during operation. The first air passage of the male connector module 10 and the second air passage of the female connector module 20 are automatically connected through the plug-in connection, and the suction nozzle 30 is connected to the first air passage, and the air connector 40 is connected to the second air passage, respectively. This achieves rapid switching and seamless connection of the air paths, meeting practical application requirements. The installation and removal process does not damage components, reducing wear and tear caused by frequent replacement or maintenance, thereby effectively reducing equipment maintenance costs.

[0036] In an optional embodiment of this example, the male connector module 10 includes a first base 101 and a male connector 102. The first base 101 is connected to a suction nozzle 30; the male connector 102 is disposed on the first base 101 and forms a protrusion, its outer wall has a slot, and its interior is hollow. The first base 101 connects the suction nozzle 30 and the male connector 102. In this optional embodiment, by designing the first base 101 and the male connector 102 separately, the structure of the entire device is clearer and more modular. This split design facilitates production and assembly, and also facilitates subsequent maintenance and replacement. Specifically, by making the male connector 102 protrude from the first base 101, the male connector 102 can be quickly inserted into the limiting groove of the female connector module 20; the outer wall of the male connector 102 has a slot that cooperates with the elastic locking part of the female connector module 20, achieving reliable fixation. This design not only simplifies the installation process but also ensures the stability of the connection, avoiding loosening due to vibration or other external factors, and improving the reliability of the device.

[0037] In an optional embodiment of this example, the male connector module 10 further includes a first connecting seat 103, a first sealing ring 104, and a second sealing ring 105. The first connecting seat 103 is connected between the male connector 102 and the first base 101; the first sealing ring 104 is disposed between the first connecting seat 103 and the first base 101; and the second sealing ring 105 is disposed between the first connecting seat 103 and the male connector 102. In this optional embodiment, the first connecting seat 103 serves as an intermediate connector, firmly connecting the male connector 102 and the first base 101 together. This design not only enhances the stability of the overall structure but also reduces the risk of loosening or detachment due to insecure connections. Furthermore, this design gives the male connector module 10 greater versatility and adaptability, making it suitable for various types of quick-change suction cups. The first sealing ring 104 is disposed between the first connecting seat 103 and the first base 101, and the second sealing ring 105 is disposed between the first connecting seat 103 and the male connector 102. This double-seal design significantly improves the sealing performance of the entire gas path, prevents gas leakage, and ensures the stability and reliability of the system.

[0038] In an optional embodiment of this example, the female connector module 20 includes a second base 201 and a female connector 202. The second base 201 is connected to an air connector 40; the female connector 202 is disposed on the second base 201, is hollow inside and forms at least a partial limiting groove, and has an elastic locking portion. The second base 201 connects the air connector 40 and the female connector 202. In this optional embodiment, the female connector 202 is disposed on the second base 201, is hollow inside and forms at least a partial limiting groove. This design allows the female connector 202 to be quickly inserted into the protrusion of the male connector module 10. The inner wall of the female connector 202 has an elastic locking portion that cooperates with the locking groove of the male connector module 10, achieving reliable fixation. This design not only simplifies the installation process and improves the flexibility and convenience of installation, but also ensures the stability of the connection, avoiding loosening due to vibration or other external factors, and improving the reliability of the device.

[0039] It should be noted that, referring to Figure 7 The second base 201 has a first point 2011 and a second point 2012. The air connector 40 is located at the first point 2011. The second point 2012 is connected to the limiting groove of the female base module 20. The first point 2011 and the second point 2012 are connected through a second air passage.

[0040] In an optional embodiment of this example, the female connector module 20 further includes a second connecting seat 208, a third sealing ring 203, and a fourth sealing ring 204. The second connecting seat 208 is connected between the female connector 202 and the second base 201; the third sealing ring 203 is disposed between the second connecting seat 208 and the female connector 202; and the fourth sealing ring 204 is disposed between the second connecting seat 208 and the second base 201. In this optional embodiment, by introducing the second connecting seat 208, the connection between the female connector 202 and the second base 201 becomes simpler and more standardized. This modular design facilitates production and assembly, improving production efficiency and installation convenience. The second connecting seat 208, as an intermediate connector, firmly connects the female connector 202 and the second base 201 together. This design not only enhances the stability of the overall structure but also reduces the risk of loosening or detachment due to insecure connections. The third sealing ring 203 is located between the second connecting seat 208 and the female head 202, and the fourth sealing ring 204 is located between the second connecting seat 208 and the second base 201. This double sealing ring design significantly improves the sealing performance of the entire gas circuit, prevents gas leakage, and ensures the stability and reliability of the device.

[0041] It should be noted that, referring to Figure 4 and Figure 6 The second connecting seat 208 is hollow inside, and the female head 202 is located inside the second connecting seat 208. The internal spaces of the second connecting seat 208 and the female head 202 together form a limiting groove.

[0042] In an optional embodiment of this invention, the male connector 102 is provided with a first slot 1021 and a second slot 1022, the female connector 202 is provided with a first elastic engaging portion 205, and the second connecting seat 208 is provided with a second elastic engaging portion 206. The first elastic engaging portion 205 is elastically engaged with the first slot 1021, and the second elastic engaging portion 206 is elastically engaged with the second slot 1022. In this optional embodiment, the first elastic engaging portion 205 is elastically engaged with the first slot 1021, and the second elastic engaging portion 206 is elastically engaged with the second slot 1022. This double engaging design significantly improves the connection stability between the male connector 102 and the female connector 202, reducing the risk of loosening due to vibration or other external factors.

[0043] In an optional embodiment of this example, the first elastic snap-fit ​​portion 205 includes a first snap-fit ​​bead, and the female connector 202 is provided with a first clearance hole. The first snap-fit ​​bead can protrude partially through the first clearance hole and is located within the first slot 1021. The first snap-fit ​​bead is limited between the third sealing ring 203 and the clearance hole. And / or, the second elastic snap-fit ​​portion 206 includes a fixing member, an elastic member, and a second snap-fit ​​bead (the specific structure of the second elastic snap-fit ​​portion 206 is not shown in the figure). The fixing member is located on the second connecting seat 208. The fixing member is hollow inside and has a second clearance hole. The elastic member is located inside the fixing member. The second snap-fit ​​bead is at least partially located inside the fixing member and abuts against the elastic member. The second snap-fit ​​bead can protrude partially through the second clearance hole and is located within the second slot 1022. In this optional embodiment, since the first snap-fit ​​bead and the second snap-fit ​​bead can protrude partially through the clearance hole and snap into the corresponding slots, this design allows the male connector 102 and the female connector 202 to automatically align during connection, simplifying the installation process and improving assembly consistency and reliability. The first retaining ball is located between the third sealing ring 203 and the clearance hole, and the second retaining ball is held inside the fixing member by an elastic element. This design not only enhances the stability of the connection, but also, in conjunction with sealing rings and other sealing elements, further improves the sealing performance of the gas circuit, prevents gas leakage, and ensures the stability and reliability of the system.

[0044] In an optional embodiment of this example, the male connector module 10 is provided with an alignment protrusion 106, and the female connector module 20 is provided with an alignment groove 207. The alignment protrusion 106 matches the alignment groove 207. The alignment protrusion 106 is provided with a guide slope. When the male connector module 10 and the female connector module 20 rotate relative to each other, the male connector module 10 and the female connector module 20 disengage under the guidance of the guide slope. In this optional embodiment, by providing the alignment protrusion 106 and the alignment groove 207, the operator can easily align and connect the male connector module 10 and the female connector module 20, simplifying the installation process and improving assembly efficiency. The matching design of the alignment protrusion 106 and the alignment groove 207 ensures that the male connector module 10 and the female connector module 20 can be accurately aligned during connection, reducing assembly errors and improving the consistency and reliability of the connection. When disassembly is required, the male connector module 10 and the female connector module 20 can be easily separated by relative rotation through the guide slope on the alignment protrusion 106. This design makes the disassembly process simpler and faster, making it particularly suitable for applications that require frequent replacement or maintenance. Because the connection and disassembly process is simple and convenient, maintenance and replacement of parts become easier, reducing maintenance costs and time, and increasing the service life of the device.

[0045] It should be noted that when the male socket module 10 is rotated and disengaged from the female socket module 20 by using the alignment protrusion 106 above, or when the male socket module 10 is pulled outward to disengage from the female socket module 20, the male head 102 will squeeze the first and second locking balls to move outward. That is, the first locking ball squeezes the third sealing ring 203, and the second locking ball squeezes the elastic element, thereby causing the first locking ball to disengage from the first locking groove 1021 and the second locking ball to disengage from the second locking groove 1022.

[0046] In an optional embodiment of this invention, the suction cup quick-change device further includes a lifting module 50, which is connected to the female base module 20. The lifting module 50 is provided with a first limiting buffer 501 and a second limiting buffer 502, which are used to limit the lifting process of the lifting module 50. In this optional embodiment, the lifting process of the lifting module 50 is precisely limited by the first limiting buffer 501 and the second limiting buffer 502, effectively avoiding equipment damage caused by excessive lifting or impact, and improving the overall operational stability of the device.

[0047] Specifically, refer to Figure 2 The lifting module 50 includes a moving module 503, which is connected to the female base module 20. The lifting module 50 can drive the moving module 503 to move up and down. A first limit buffer 501 is provided on the moving module 503, and a second limit buffer 502 is provided on the body of the lifting module 50. The moving module 503 has a limiting part at the mounting point 504 (the limiting part is not shown in the figure). When the moving module 503 rises to the first preset position, the first limit buffer 501 is limited and abuts against the rotating platform 70. When the moving module 503 falls to the second preset position, the second limit buffer 502 is limited and abuts against the limiting part.

[0048] In an optional embodiment of this invention, the suction cup quick-change device further includes a rotating module 60, which is connected to the lifting module 50. In this optional embodiment, the combination of the rotating module 60 and the lifting module 50 enables rapid and precise positioning and adjustment, thereby improving overall work efficiency. Especially in situations requiring frequent changes in angle and height, this combination design significantly reduces operation time and improves work efficiency. Furthermore, the coordinated use of the rotating module 60 and the lifting module 50 allows the suction cup quick-change device to complete more tasks within a limited space. This compact design helps optimize the spatial layout of the work area and improve space utilization. The rotating module 60 includes, but is not limited to, a rotary motor assembly or a rotary cylinder assembly, while the lifting module 50 includes, but is not limited to, a cylinder piston rod assembly, a hydraulic cylinder piston rod assembly, an electric push rod assembly, or a motor-driven ball screw assembly.

[0049] Specifically, refer to Figure 1 The rotating module 60 is connected to the rotating platform 70. The rotating module 60 can drive the rotating platform 70 to rotate. The rotating platform 70 is connected to multiple lifting modules 50. Each lifting module 50 is connected to a female seat module 20 and a male seat module 10, thereby realizing the motion control of multiple suction nozzles 30 to meet production requirements.

[0050] Finally, it should be noted that:

[0051] 1. In this specification, "and / or" means that the structure before "and / or" and the structure after "and / or" are set simultaneously or selectively;

[0052] 2. The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Similar or identical parts between embodiments can be referred to mutually. The above embodiments in this specification are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of this utility model.

Claims

1. A suction cup quick-change device, characterized in that, include: The male seat module has a protrusion, the outer wall of which has a slot, and the interior of which has a first air passage; The female connector module is provided with a limiting groove and a second air passage communicating with the limiting groove. The inner wall of the limiting groove is provided with an elastic snap-fit ​​part. The protrusion is inserted into the limiting groove, the elastic snap-fit ​​part is elastically snapped into the snap-fit ​​groove, and the second air passage is communicating with the first air passage. A suction nozzle is located on the male seat module and is connected to the first airway; An air connector is located on the female connector module and is connected to the second air passage.

2. The suction cup quick-change device according to claim 1, characterized in that, The public seating module includes: The first base is connected to the suction nozzle; The male head is located on the first base and forms the protrusion. The outer wall is provided with the slot, and the interior is hollow. The first base connects the nozzle and the male head.

3. The suction cup quick-change device according to claim 2, characterized in that, The public seating module also includes: A first connector is connected between the male connector and the first base; A first sealing ring is disposed between the first connecting seat and the first base; The second sealing ring is disposed between the first connecting seat and the male connector.

4. The suction cup quick-change device according to claim 2, characterized in that, The female connector module includes: The second base is connected to the aforementioned air connector; The female head is located on the second base, and is hollow inside, forming at least part of the limiting groove, and is provided with the elastic snap-fit ​​part. The second base connects the air connector and the female head.

5. The suction cup quick-change device according to claim 4, characterized in that, The female connector module also includes: The second connector is connected between the female head and the second base; The third sealing ring is disposed between the second connecting seat and the female head; The fourth sealing ring is located between the second connecting seat and the second base.

6. The suction cup quick-change device according to claim 5, characterized in that, The male connector is provided with a first slot and a second slot, the female connector is provided with a first elastic snap-fit ​​part, and the second connector is provided with a second elastic snap-fit ​​part. The first elastic snap-fit ​​part is elastically snapped into the first slot, and the second elastic snap-fit ​​part is elastically snapped into the second slot.

7. The suction cup quick-change device according to claim 6, characterized in that, The first elastic snap-fit ​​part includes a first snap-fit ​​bead, and the female head is provided with a first clearance hole. The first snap-fit ​​bead can protrude through the first clearance hole and is located in the first snap-fit ​​groove. The first snap-fit ​​bead is limited to the third sealing ring and the clearance hole. And / or, the second elastic snap-fit ​​portion includes a fixing member, an elastic member, and a second snap-fit ​​bead. The fixing member is disposed on the second connecting seat. The fixing member is hollow inside and has a second clearance hole. The elastic member is disposed inside the fixing member. The second snap-fit ​​bead is at least partially located inside the fixing member and abuts against the elastic member. The second snap-fit ​​bead can protrude through the second clearance hole and be located in the second snap-fit ​​groove.

8. The suction cup quick-change device according to claim 1, characterized in that, The male seat module is provided with a positioning protrusion, and the female seat module is provided with a positioning groove, wherein the positioning protrusion matches the positioning groove; The alignment protrusion is provided with a guide slope. When the male seat module and the female seat module rotate relative to each other, the male seat module and the female seat module disengage under the guidance of the guide slope.

9. The suction cup quick-change device according to any one of claims 1 to 8, characterized in that, The suction cup quick-change device also includes a lifting module, which is connected to the female base module; The lifting module is provided with a first limit buffer and a second limit buffer, which are used to limit the lifting process of the lifting module.

10. The suction cup quick-change device according to claim 9, characterized in that, The suction cup quick-change device also includes a rotating module, which is connected to the lifting module.

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