Automatic plugging air connector

Abstract

The invention provides an automatic plug-in air connector which comprises two connecting devices coupled with each other, each connecting device comprises a floating connecting mechanism and a ventilation mechanism, one end of each floating connecting mechanism is connected with a compartment, and the other end of each floating connecting mechanism is connected with the ventilation mechanism; the ventilation mechanism comprises a ventilation opening, an execution end, a control end and an adjusting component used for controlling opening and closing of the ventilation opening. Wherein when the two connecting devices are coupled, the two air vents of the two connecting devices are communicated; and when the control end of the first connecting device is separated from the execution end of the second connecting device, or the control end of the second connecting device is separated from the execution end of the first connecting device, the two ventilation ports of the two connecting devices are disconnected. The two ventilation mechanisms are connected with the carriages through the floating connecting mechanisms, the relative movement amount between the carriages is eliminated by the floating connecting mechanisms, and connection between the two ventilation mechanisms cannot be affected.

Description

Technical Field

[0001] The present application relates to the technical field of connectors, and in particular to an automatically pluggable gas connector. Background Art

[0002] At present, molten iron transportation, railway transportation, mining transportation, etc. are gradually upgraded to unmanned driving and a production mode of automatic transportation. The braking of the transport vehicle is an indispensable condition for the automatic transportation system, and most of the braking of the transport vehicle adopts air brake. In order to realize the automation of the whole process, an air compressor station will be designed on the locomotive to supply the air required for the braking of the coupled transport vehicle. The air connection between the locomotive and the flatbed truck, and between the flatbed trucks after the coupling needs to use an air connector to connect the air source.

[0003] Currently, the industry achieves gas connectivity through manual plug-in docking. However, due to the connection method between carriages such as railway transportation, there is shaking between the two carriages or a slight change in the front and rear distance. The relative movement between the two carriages causes the connection of the gas connector to be unstable, which is prone to falling off or leakage, resulting in gas delivery disconnection or insufficient delivery. Summary of the invention

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an automatically plug-in gas connector to solve the problem in the prior art that the relative movement between the two carriages causes the connection of the gas connector to be unstable, prone to falling off or leaking, resulting in gas delivery disconnection or insufficient delivery, and manual plug-in is unsafe and inconvenient.

[0005] To achieve the above-mentioned object and other related objects, the present invention provides an automatic plug-in gas connector, comprising two mutually coupled connection devices, the two connection devices having the same structure, the connection devices comprising a floating connection mechanism and a ventilation mechanism, one end of the floating connection mechanism is connected to a carriage, and the other end of the floating connection mechanism is connected to the ventilation mechanism;

[0006] The ventilation mechanism includes a vent, an execution end, a control end and an adjustment component for controlling the opening and closing of the vent;

[0007] Among them, when the control end of the first connecting device is connected to the execution end of the second connecting device, and the control end of the second connecting device is connected to the execution end of the first connecting device, the two vents of the two connecting devices are connected; when the control end of the first connecting device is separated from the execution end of the second connecting device, or the control end of the second connecting device is separated from the execution end of the first connecting device, the two vents of the two connecting devices are disconnected.

[0008] Optionally, the ventilation mechanism includes a shell, the vent, the actuator end and the control end are all arranged on the shell, and the vent, the actuator end and the control end are all located on the first side of the shell of another connecting device of the shell, and the floating connection mechanism is connected to the second side of the shell, and the first side and the second side are two opposite sides of the shell.

[0009] Optionally, the adjusting component includes an adjusting member, a transmission rod, a transmission assembly and a shielding member, the adjusting member is located inside the housing, and the adjusting member is directly opposite to the control end, the housing is provided with an adjusting slot along the direction in which the actuator end drives the adjusting member to move, one end of the transmission rod passes through the adjusting slot and is fixedly connected to the adjusting member, the other end of the transmission rod is connected to the transmission assembly, the transmission assembly is connected to the shielding member, and the shielding member is hinged to the housing;

[0010] Among them, when the execution ends of the two connecting devices are connected to the control end of the other connecting device, the transmission assemblies of the two connecting devices drive the shielding members to move from the blocking position to the connecting position, and the two vents are connected; when only one of the execution ends of the two connecting devices is connected to the control end of the other connecting device, one of the shielding members is in the blocking position, and one of the shielding members is located between the two connecting ports; when the execution ends of the two connecting devices are not connected to the control end of the other connecting device, both of the shielding members are located between the two connecting ports.

[0011] Optionally, the transmission assembly includes a first transmission plate, a second transmission plate and a third transmission plate, the middle portion of the first transmission plate is rotatably connected to the shell, one end of the first transmission plate is connected to the transmission rod, the other end of the first transmission plate is hinged to one end of the second transmission plate, the second transmission plate is provided with a slide groove along its length direction, the end of the first transmission plate is slidably arranged in the slide groove, the other end of the second transmission plate is hinged to the first end of the third transmission plate, the shell is provided with an installation groove along the direction of movement of the actuator end driving adjustment member, the first end of the third transmission plate is slidably arranged in the installation groove, and the second end of the third transmission plate is hinged to the shielding member.

[0012] Optionally, the control end includes a connecting groove, the execution end includes an execution rod, and the execution rod extends toward another connecting device, the inner wall of the connecting groove is provided with a self-locking hole, and an elastic self-locking part is provided in the self-locking hole. The end of the execution rod close to the shell is circumferentially provided with a self-locking groove, and when the execution rod of one connecting device extends into the connecting groove of another connecting device, the elastic self-locking part extends into the self-locking groove.

[0013] Optionally, the floating connection mechanism includes a connecting shell and a floating connecting rod, a hemispherical floating groove is arranged inside the connecting shell at one end away from the ventilation mechanism, the floating connecting rod is arranged inside the connecting shell along the length direction of the connecting shell, the first end of the floating connecting rod is a spherical structure, the first end of the floating connecting rod is arranged in the floating groove, and a movable opening is arranged at one end of the connecting shell close to the ventilation mechanism, and the second end of the floating connecting rod passes through the movable opening to be connected to the ventilation mechanism.

[0014] Optionally, a plurality of mounting holes are provided on the inner wall of one end of the connecting shell close to the ventilation mechanism, and a return assembly is provided in each of the mounting holes. The return assembly includes a return part and a top block. The return part is fixedly arranged at the bottom of the mounting hole, one end of the top block is connected to the return part, and the other end of the top block is abutted against the floating connecting rod.

[0015] Optionally, a first annular limit member is provided near the second end of the floating connecting rod, the first limit member is located inside the connecting shell, the diameter of the first limit member is larger than the diameter of the movable opening, and a second limit member is provided at the end of the second end of the floating connecting rod for limiting the floating connecting rod from sliding out of the ventilation mechanism, and the second limit member is located inside the ventilation mechanism.

[0016] Optionally, a reset member is sleeved on the floating connecting rod, and the reset member is located between the first limiting member and the ventilation mechanism, one end of the reset member abuts against the first limiting member, and the other end of the reset member abuts against the ventilation mechanism;

[0017] Wherein, a limiting step is arranged on the floating connecting rod, and the limiting step is located between the first limiting member and the second limiting member.

[0018] Optionally, adsorption components for connection are provided on both shells of the two connection devices.

[0019] As described above, the beneficial effects brought about by the technical solution of the present invention include at least: coupling two connecting devices and mutually controlling the opening and closing of the other connecting device, thereby achieving gas connectivity through docking and realizing fast automatic plug-in, and setting a floating connecting mechanism, and both ventilation mechanisms are connected to the carriage through the floating connecting mechanism, and the two ventilation mechanisms are coupled, while the relative movement between the carriages is eliminated by the floating connecting mechanism, which will not affect the connection between the two ventilation mechanisms, thereby ensuring a stable connection and avoiding air leakage during gas transportation, thereby making it impossible to brake the carriage and ensuring driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1Shown is a schematic structural diagram of two connection devices when separated according to an exemplary embodiment of the present invention;

[0021] Figure 2 A front view showing two connection devices separated according to an exemplary embodiment of the present invention;

[0022] Figure 3 Shown is a schematic structural diagram of a ventilation mechanism of an exemplary embodiment of the present invention;

[0023] Figure 4 A cross-sectional view showing a connection device separated according to an exemplary embodiment of the present invention;

[0024] Figure 5 A cross-sectional view in the first direction showing a ventilation mechanism of an exemplary embodiment of the present invention;

[0025] Figure 6 A second directional cross-sectional view showing a ventilation mechanism according to an exemplary embodiment of the present invention;

[0026] Figure 7 Shown is a cross-sectional view of a floating connection mechanism according to an exemplary embodiment of the present invention.

[0027] Part Number Description

[0028] 1. Floating connection mechanism; 11. Connecting shell; 12. Floating connection rod; 13. Floating groove; 14. Mounting hole; 15. Return assembly; 151. Return member; 152. Top block; 16. First limit member; 17. Second limit member; 18. Reset member; 2. Ventilation mechanism; 21. Vent; 22. Actuator end; 23. Control end; 24. Adjustment member; 241. Adjustment member; 242. Transmission rod; 243. Transmission assembly; 2431. First transmission plate; 2432. Second transmission plate; 2433. Third transmission plate; 2434. Slide groove; 244. Shielding member; 245. Adjustment groove; 25. Shell; 26. First spring; 27. Elastic self-locking member; 28. Self-locking groove; 3. Adsorption member. DETAILED DESCRIPTION

[0029] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0030] It should be noted that the illustrations provided in the following embodiments are only used to illustrate the basic concept of the present invention in a schematic manner, and thus the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0031] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present disclosure. However, it is obvious to those skilled in the art that the embodiments of the present disclosure can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present disclosure difficult to understand.

[0032] In this embodiment, Figure 1 The up, down, left, and right directions in the figure are the up, down, left, and right directions mentioned in this embodiment.

[0033] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The present invention provides an automatic plug-in gas connector, comprising two mutually coupled connection devices, the two connection devices have the same structure, the connection devices comprise a floating connection mechanism 1 and a ventilation mechanism 2, one end of the floating connection mechanism 1 is connected to the carriage, and the other end of the floating connection mechanism 1 is connected to the ventilation mechanism 2;

[0034] The ventilation mechanism 2 includes a vent 21, an execution end 22, a control end 23 and an adjustment component 24 for controlling the opening and closing of the vent 21;

[0035] Among them, when the control end 23 of the first connecting device is connected to the execution end 22 of the second connecting device, and the control end 23 of the second connecting device is connected to the execution end 22 of the first connecting device, the two vents 21 of the two connecting devices are connected; when the control end 23 of the first connecting device is separated from the execution end 22 of the second connecting device, or the control end 23 of the second connecting device is separated from the execution end 22 of the first connecting device, the two vents 21 of the two connecting devices are disconnected.

[0036] In one embodiment of the present application, specifically, two connecting devices are included, the two connecting devices are connected to each other, the first connecting device controls the opening and closing of the second connecting device, and at the same time, the second connecting device controls the opening and closing of the first connecting device, the two connecting devices have the same structure, and both include a floating connecting mechanism 1 and a ventilation mechanism 2, (the two connecting devices are respectively arranged between two carriages, two transport boxes or two flatbed trucks. In this embodiment, for the convenience of unification, carriages are used in the following), the floating connecting mechanism 1 of the first connecting device is arranged on the rear carriage, and the floating connecting mechanism 1 of the second connecting device is arranged on the front carriage, the two ventilation mechanisms 2 are connected to each other, and the two connecting devices are connected to the carriage through the floating connecting mechanism 1, so that the connection between the two connecting devices is more stable to avoid the situation of separation due to force, and the ventilation mechanism 2 includes a vent 21 (the vent 21 is one end of a connecting pipe, one end of the connecting pipe is connected to the ventilation pipe, and the other end of the connecting pipe is a vent ), an execution end 22, a control end 23 and an adjusting component 24 for controlling the opening and closing of the vent 21, one end of the vent 21 is connected to a ventilation pipe, the ventilation pipe is used to transport gas, a valve is arranged on the ventilation pipe to control the gas transport, and the other end of the vent 21 is controlled to be opened or closed by the adjusting component 24, wherein, when the execution end 22 of the first connecting device extends into the control end 23 of the second connecting device, the execution end 22 of the first connecting device controls the adjusting component 24 of the second connecting device to open the vent 21, and when the execution end 22 of the second connecting device extends into the control end 23 of the first connecting device, the execution end 22 of the second connecting device controls the adjusting component 24 of the first connecting device to open the vent 21, when both vents 21 are opened, the connection between the two vents 21 is realized, and the transport of gas is realized, and when any one of the two adjusting components 24 is not opened or both are not opened, the two vents 21 are in a disconnected state. When the two carriages are connected, the two adjusting components 24 both control the vents 21 to open, and the two vents 21 are in a connected state. When the carriages are disassembled and separated, the two vents 21 are in a disconnected state. The two devices are connected by the floating connection mechanism 1, which makes the connection state more stable and will not slip. In addition, due to the active state between the carriages, the two connected devices will also move relative to each other. The floating connection mechanism 1 and the ventilation mechanism 2 are two different mechanisms. The mutual movement caused by the carriages is offset by the floating connection mechanism 1, which will not affect the stability of the connection between the two ventilation mechanisms 2, and avoids air leakage during gas transportation, so that the carriage cannot be braked, ensuring driving safety.

[0037] See also Figure 1 and Figure 5In one embodiment of the present application, specifically, the ventilation mechanism 2 includes a shell 25, the vent 21, the actuator end 22 and the control end 23 are all arranged on the shell 25, and the vent 21, the actuator end 22 and the control end 23 are all located on the first side of the shell 25 of another connecting device of the shell 25, and the floating connection mechanism 1 is connected to the second side of the shell 25, and the first side and the second side are two opposite sides of the shell 25. The shell 25 is provided to prevent foreign matter and dust from entering the shell 25, so that the vent 21, the actuator end 22, the adjustment component 24 and the control end 23 can be effectively protected, and the matching between the actuator end 22, the adjustment component 24 and the control end 23 can be prevented from being offset or slipped.

[0038] See 3 and Figure 6 The adjusting component 24 includes an adjusting member 241, a transmission rod 242, a transmission assembly 243 and a shielding member 244. The adjusting member 241 is a long strip-shaped plate-like structure. The adjusting member 241 is located inside the housing 25, and the adjusting member 241 is directly opposite to the control end 23. The housing 25 is provided with an adjusting slot 245 along the direction in which the actuator end 22 drives the adjusting member 241 to move. One end of the transmission rod 242 passes through the adjusting slot 245 and is fixedly connected to the adjusting member 241. The other end of the transmission rod 242 is connected to the transmission assembly 243. The transmission assembly 243 is connected to the shielding member 244, and the shielding member 244 is hinged to the housing 25.

[0039] Among them, when the execution ends 22 of the two connecting devices are connected to the control end 23 of the other connecting device, the transmission assemblies 243 of the two connecting devices drive the shielding member 244 to move from the blocking position to the connecting position, and the two vents 21 are connected; when only one of the execution ends 22 of the two connecting devices is connected to the control end 23 of the other connecting device, one of the shielding members 244 is in the blocking position, and one of the shielding members 244 is located between the two connecting ports; when the execution ends 22 of the two connecting devices are not connected to the control end 23 of the other connecting device, the two shielding members 244 are located between the two connecting ports.

[0040] In one embodiment of the present application, specifically, the shell 25 is provided with an adjustment groove 245 along the direction from left to right, and the transmission rod 242 can slide back and forth in the adjustment groove 245 along the direction from left to right. When the execution end 22 of the first connecting device extends into the control end 23 of the second connecting device, the execution end 22 squeezes the adjustment member 241 toward the direction close to the floating connection mechanism 1, and the adjustment member 241 drives the transmission rod 242 to slide in the adjustment groove 245, and the transmission rod 242 drives the transmission assembly 243 to move, and the transmission assembly 243 drives the shielding member 244 to move, thereby causing the shielding member 244 to move from the shielding position to the connecting position; the second connecting device is the same as the first connecting device, and the shielding member 244 is provided, and the shielding member 244 is in the shielding position under normal circumstances, so as to protect the vent 21 and prevent other impurities from entering the vent.

[0041] See also Figure 3 In one embodiment of the present application, specifically, a first spring 26 is further provided. The first spring 26 is provided on the outer side of the housing 25, and one end of the first spring 26 is fixedly connected to the housing 25, and the other end of the first spring 26 is connected to the transmission assembly 243. When the actuator end 22 squeezes the adjustment member 241 toward the direction close to the floating connection mechanism 1, the first spring 26 is subjected to pressure or tension, causing the first spring 26 to deform. When the actuator end 22 of the first connection device is separated from the control end 23 of the second connection device, the first spring 26 returns to its original state under the action of the elastic force, causing the shielding member 244 to move to the shielding position.

[0042] In one embodiment of the present application, specifically, on a connecting device, two adjustment grooves 245, transmission rods 242, transmission components 243 and first springs 26 are each provided, the two adjustment grooves 245 are respectively provided on two opposite sides of the shell 25, and the two adjustment grooves 245 are directly opposite to the two side edges of the length direction of the adjusting member 241, the two transmission rods 242 are respectively connected to the two side edges of the adjusting member 241, and the two transmission rods 242 respectively pass through the two adjustment grooves 245, the two transmission rods 242 are respectively connected to the two transmission components 243, and the two transmission components 243 are connected to the two side edges of the shielding member 244.

[0043] In one embodiment of the present application, specifically, on a connecting device, two vents 21 and two shielding members 244 are provided, and the two vents 21 are respectively located at the two ends of the shell 25, one adjusting member 241 is provided, and two groups of adjusting grooves 245, transmission rods 242, transmission assemblies 243 and first springs 26 are provided, and two groups of adjusting grooves 245, transmission rods 242, transmission assemblies 243 and first springs 26 are provided. Consistent with the above-mentioned setting method, each group of adjusting grooves 245, transmission rods 242, transmission assemblies 243 and first springs 26 controls the connection with a shielding member 244 to control the opening and closing of one vent 21.

[0044] In one embodiment of the present application, specifically, the shielding member 244 is connected to the shell 25 via a second spring, one end of the second spring is connected to the outer wall of the shell 25, and the other end of the second spring is connected to the shielding member 244, so as to facilitate the shielding member 244 to move to the shielding position and realize the reset operation.

[0045] See also Figure 3 The transmission assembly 243 includes a first transmission piece 2431, a second transmission piece 2432 and a third transmission piece 2433. The middle part of the first transmission piece 2431 is rotatably connected to the shell 25. One end of the first transmission piece 2431 is connected to the transmission rod 242. The other end of the first transmission piece 2431 is hinged to one end of the second transmission piece 2432. The second transmission plane is provided with a slide groove 2434 along its length direction. The end of the first transmission piece 2431 is slidably arranged in the slide groove 2434. The other end of the second transmission piece 2432 is hinged to the first end of the third transmission piece 2433. The shell 25 is provided with an installation groove along the direction in which the execution end 22 drives the adjusting member 241 to move. The first end of the third transmission piece 2433 is slidably arranged in the installation groove, and the second end of the third transmission piece 2433 is hinged to the shielding member 244.

[0046] In one embodiment of the present application, specifically, the first transmission piece 2431 is an L-shaped structure, the bending portion of the first transmission piece 2431 is rotatably connected to the housing 25, the first transmission piece 2431 can rotate around the axial direction of the transmission rod 242, the first transmission piece 2431 is tilted, one end of the first transmission piece 2431 away from another connection device is connected to the transmission rod 242, the other end of the first transmission piece 2431 is connected to the second transmission piece 2432, the second transmission piece 2432 is also tilted, the first connection device and the second connection device are connected. When the devices are separated, the first transmission piece 2431 and the second transmission piece 2432 present an angle convex toward another connection device, the other end of the second transmission piece 2432 is connected to the third transmission piece 2433, and the second transmission piece 2432 is inclined along the direction from (the end connected to the first connection piece to the end connected to the third connection piece) gradually away from the other connection device, and a slide groove 2434 is provided on the second transmission piece 2432 along its inclined direction, and one end of the first transmission piece 2431 can be slidably set in the slide groove 2434 The other end of the third transmission piece 2433 is hinged to the shielding member 244, and the first spring 26 is connected to one end of the first transmission piece 2431 set in the slide groove 2434. When the transmission rod 242 moves in a direction away from the other connecting device, the end of the first transmission piece 2431 connected to the transmission rod 242 rotates in a direction away from the other connecting device, so that the other end of the first transmission piece 2431 also rotates in a direction away from the other connecting device, driving the end of the second transmission piece 2432 connected to the first connecting piece to also rotate away from the other connecting device. Move in the direction away from another connecting device, so that the angle between the first transmission plate 2431 and the second transmission plate 2432 gradually tends to a flat angle, and the distance between (the connection between the first transmission plate 2431 and the transmission rod 242) and (the connection between the second transmission plate 2432 and the third transmission plate 2433) gradually increases, and the second transmission plate 2432 drives the third transmission plate 2433 to move in the direction close to another connecting device, and the third transmission plate 2433 drives the shielding member 244 to move in the direction away from the vent 21, thereby completing the opening of the vent 21.

[0047] See also Figure 3 and Figure 5 The control end 23 includes a connecting groove, the execution end 22 includes an execution rod, and the execution rod extends toward the direction of another connecting device. The inner wall of the connecting groove is provided with a self-locking hole, and an elastic self-locking member 27 is provided in the self-locking hole. The end of the execution rod close to the shell 25 is circumferentially provided with a self-locking groove 28. When the execution rod of one connecting device extends into the connecting groove of another connecting device, the elastic self-locking member 27 extends into the self-locking groove 28.

[0048] In one embodiment of the present application, specifically, the self-locking hole is a through hole, the self-locking hole penetrates the side wall of the connecting groove, one end of the elastic self-locking member 27 passes through the self-locking hole and is located in the connecting groove, and the other end of the elastic self-locking member 27 abuts against the inner wall of the shell 25. When the actuator rod needs to be disassembled, the elastic self-locking member 27 is taken out from the end of the self-locking hole close to the shell 25.

[0049] See also Figure 4 and Figure 7 The floating connection mechanism 1 includes a connection shell 11 and a floating connection rod 12. A hemispherical floating groove 13 is arranged inside the end of the connection shell 11 away from the ventilation mechanism 2. The floating connection rod 12 is arranged inside the connection shell 11 along the length direction of the connection shell 11. The first end of the floating connection rod 12 is a spherical structure. The first end of the floating connection rod 12 is arranged in the floating groove 13. A movable opening is arranged at one end of the connection shell 11 close to the ventilation mechanism 2. The second end of the floating connection rod 12 passes through the movable opening and is connected to the ventilation mechanism 2.

[0050] In one embodiment of the present application, specifically, the movable opening is a circular structure, whose diameter is larger than the diameter of the floating connecting rod 12, and the end of the floating connecting rod 12 away from the floating groove 13 can swing in all directions in the movable opening, while the first end of the floating connecting rod 12 rotates in the floating groove 13, so that the connection between the carriages is more flexible, avoiding the relative movement between the carriages causing the two connecting devices to be disconnected.

[0051] The inner wall of one end of the connecting shell 11 close to the ventilation mechanism 2 is provided with a plurality of mounting holes 14, and a return assembly 15 is provided in each of the mounting holes 14. The return assembly 15 includes a return member 151 and a top block 152. The return member 151 is fixedly arranged at the bottom of the mounting hole 14, one end of the top block 152 is connected to the return member 151, and the other end of the top block 152 abuts against the floating connecting rod 12.

[0052] In one embodiment of the present application, specifically, at least three mounting holes 14 are provided on the inner wall of the connecting shell 11. In the present embodiment, six mounting holes 14 are selected, and the six mounting holes 14 are evenly distributed. The angles between the six mounting holes 14 and the center of the circle are all 60 degrees. The mounting holes 14 are all arranged along the radial direction of the floating groove 13. A return spring (the return spring is a return member 151) and a top block 152 are arranged in the mounting hole 14. The end of the top block 152 close to the return spring is cylindrical, and the end of the top block 152 abutting against the floating connecting rod 12 is hemispherical. When the floating connecting rod 12 swings, the return spring plays a buffering role. When the floating connecting rod 12 finishes swinging, the return spring restores the position of the floating connecting rod 12.

[0053] See also Figure 4 and Figure 7 In one embodiment of the present application, specifically, a first annular limit member 16 is provided near the second end of the floating connecting rod 12, the first limit member 16 is located inside the connecting shell 11, the diameter of the first limit member 16 is larger than the diameter of the movable opening, and the end of the second end of the floating connecting rod 12 is provided with a second limit member 17 for limiting the floating connecting rod 12 from sliding out of the ventilation mechanism 2, the second limit member 17 is located inside the ventilation mechanism 2, so as to prevent the floating connecting rod 12 from sliding out of the connecting shell 11 and the shell 25, and to prevent the connection from being disconnected.

[0054] In one embodiment of the present application, six limiting holes corresponding to the top blocks 152 are arranged on the first limiting member 16 , and the six top blocks 152 are correspondingly arranged in the six limiting holes.

[0055] In one embodiment of the present application, specifically, a reset member 18 is sleeved on the floating connecting rod 12, and the reset member 18 is located between the first limiting member 16 and the ventilation mechanism 2, one end of the reset member 18 abuts against the first limiting member 16, and the other end of the reset member 18 abuts against the ventilation mechanism 2;

[0056] Wherein, a limiting step is provided on the floating connecting rod 12 , and the limiting step is located between the first limiting member 16 and the second limiting member 17 .

[0057] In one embodiment of the present application, specifically, both shells 25 of the two connecting devices are provided with adsorption components 3 for connection, the adsorption components 3 are adsorption magnets, the shell 25 of the first connecting device is provided with a positive pole, and the shell 25 of the second connecting device is provided with a negative pole, so that the connection between the two connecting devices is more stable.

[0058] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. An automatic plug-in gas connector, characterized in that: It comprises two mutually coupled connection devices, the two connection devices have the same structure, the connection devices comprise a floating connection mechanism and a ventilation mechanism, one end of the floating connection mechanism is connected to the carriage, and the other end of the floating connection mechanism is connected to the ventilation mechanism; The ventilation mechanism includes a vent, an execution end, a control end and an adjustment component for controlling the opening and closing of the vent; Among them, when the control end of the first connecting device is connected to the execution end of the second connecting device, and the control end of the second connecting device is connected to the execution end of the first connecting device, the two vents of the two connecting devices are connected; when the control end of the first connecting device is separated from the execution end of the second connecting device, or the control end of the second connecting device is separated from the execution end of the first connecting device, the two vents of the two connecting devices are disconnected.

2. An automatic plug-in gas connector according to claim 1, characterized in that: The ventilation mechanism includes a shell, and the vent, actuator end and control end are all arranged on the shell, and the vent, actuator end and control end are all located on the first side of the shell close to another connecting device, and the floating connecting mechanism is connected to the second side of the shell, and the first side and the second side are two opposite sides of the shell.

3. An automatic plug-in gas connector according to claim 2, characterized in that: The adjusting component comprises an adjusting member, a transmission rod, a transmission assembly and a shielding member, wherein the adjusting member is located inside the housing and faces the control end, and the housing is provided with an adjusting slot along the direction in which the actuator end drives the adjusting member to move, one end of the transmission rod passes through the adjusting slot and is fixedly connected to the adjusting member, the other end of the transmission rod is connected to the transmission assembly, the transmission assembly is connected to the shielding member, and the shielding member is hinged to the housing; Among them, when the execution ends of the two connecting devices are connected to the control end of the other connecting device, the transmission assemblies of the two connecting devices drive the shielding members to move from the blocking position to the connecting position, and the two vents are connected; when only one of the execution ends of the two connecting devices is connected to the control end of the other connecting device, one of the shielding members is in the blocking position, and one of the shielding members is located between the two connecting ports; when the execution ends of the two connecting devices are not connected to the control end of the other connecting device, both of the shielding members are located between the two connecting ports.

4. An automatic plug-in gas connector according to claim 3, characterized in that: The transmission assembly includes a first transmission plate, a second transmission plate and a third transmission plate, the middle portion of the first transmission plate is rotatably connected to the shell, one end of the first transmission plate is connected to the transmission rod, the other end of the first transmission plate is hinged to one end of the second transmission plate, the second transmission plate is provided with a slide groove along its length direction, the end of the first transmission plate is slidably arranged in the slide groove, the other end of the second transmission plate is hinged to the first end of the third transmission plate, the shell is provided with an installation groove along the direction of movement of the actuator end driving adjustment member, the first end of the third transmission plate is slidably arranged in the installation groove, and the second end of the third transmission plate is hinged to the shielding member.

5. An automatic plug-in gas connector according to any one of claims 2 to 4, characterized in that: The control end includes a connecting groove, the execution end includes an execution rod, and the execution rod extends toward another connecting device. The inner wall of the connecting groove is provided with a self-locking hole, and an elastic self-locking part is provided in the self-locking hole. The end of the execution rod close to the shell is circumferentially provided with a self-locking groove. When the execution rod of one connecting device extends into the connecting groove of another connecting device, the elastic self-locking part extends into the self-locking groove.

6. The automatic plug-in gas connector according to claim 1, characterized in that: The floating connection mechanism includes a connection shell and a floating connection rod. A hemispherical floating groove is arranged inside the end of the connection shell away from the ventilation mechanism. The floating connection rod is arranged inside the connection shell along the length direction of the connection shell. The first end of the floating connection rod is a spherical structure. The first end of the floating connection rod is arranged in the floating groove. A movable opening is arranged at one end of the connection shell close to the ventilation mechanism. The second end of the floating connection rod passes through the movable opening and is connected to the ventilation mechanism.

7. An automatic plug-in gas connector according to claim 6, characterized in that: A plurality of mounting holes are arranged on the inner wall of one end of the connecting shell close to the ventilation mechanism, and a return assembly is arranged in each of the mounting holes. The return assembly comprises a return part and a top block. The return part is fixedly arranged at the bottom of the mounting hole, one end of the top block is connected to the return part, and the other end of the top block is abutted against the floating connecting rod.

8. An automatic plug-in gas connector according to claim 6 or 7, characterized in that: A first annular limit piece is provided near the second end of the floating connecting rod, and the first limit piece is located inside the connecting shell. The diameter of the first limit piece is larger than the diameter of the movable opening, and a second limit piece is provided at the end of the second end of the floating connecting rod for limiting the floating connecting rod from sliding out of the ventilation mechanism, and the second limit piece is located inside the ventilation mechanism.

9. An automatic plug-in gas connector according to claim 8, characterized in that: A reset member is sleeved on the floating connecting rod, and the reset member is located between the first limiting member and the ventilation mechanism, one end of the reset member abuts against the first limiting member, and the other end of the reset member abuts against the ventilation mechanism; Wherein, a limiting step is arranged on the floating connecting rod, and the limiting step is located between the first limiting member and the second limiting member.

10. An automatic plug-in gas connector according to claim 2, characterized in that: Adsorption components for connection are arranged on the two shells of the two connection devices.

Images