Dual-channel connector

Abstract

The utility model discloses a dual-channel connector, which solves the problem that a single-channel connecting device with an automatic plugging function in the prior art cannot be well matched with a dual-channel connector. The utility model provides a double-channel connector, which comprises a fixed interface, a first movable joint, a second movable joint, a transmission mechanism, a direct current motor and a control circuit, and is characterized in that two ends of the first movable joint are respectively used for connecting an external first terminal and the fixed interface; two ends of the second movable joint are respectively used for connecting an external second terminal and a fixed interface, and the direct current motor operates to drive the transmission mechanism to operate; the transmission mechanism drives the first movable connector and the second movable connector to move synchronously so that one of the first movable connector and the second movable connector can be connected with an external terminal, the other one of the first movable connector and the second movable connector can be separated from the external terminal, and the control circuit controls the direct-current motor to rotate forwards or reversely. Forward rotation or reverse rotation of the direct current motor changes the operation direction of the first movable connector and the second movable connector through the transmission mechanism.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a dual-channel connector. Background Art

[0002] With the development of technology, the trend of intelligent and unmanned design of electrical interconnection devices / plug-in connections between systems is becoming increasingly obvious. Due to the huge improvement in usage efficiency, automated plug-in technology will gradually replace the traditional manual plug-in method, playing a key role in the automation, intensive and intelligent development of equipment.

[0003] Although electrical connection devices with automatic plug-in functions already exist, most require transmission mechanisms such as screws and nuts to achieve automatic plugging and unplugging. For example, Chinese patent CN109560423A invented a remote-controlled automatic plug-in and unplug-out electrical connector that connects and disconnects single-channel signals by rotating a drive shaft driven by a motor. However, when this method is applied to dual-channel or multi-channel control scenarios, the mechanical structure is superimposed, the space occupied is increased, the design complexity increases, and the strong reliance on electronic control, lack of backup design guarantees, and reduced reliability make it unsuitable for multi-channel switching applications in compact spaces. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and propose a dual-channel connector to solve the problem that a single-channel connection device with an automatic plug-in function in the prior art cannot be well adapted to a dual-channel connector.

[0005] In order to achieve the above technical objectives, the present invention proposes a dual-channel connector, comprising:

[0006] Fixed interface;

[0007] a first movable joint, one end of which is used to connect to an external first terminal, and the other end of which is connected to the fixed interface;

[0008] a second movable joint, one end of which is used to connect to an external second terminal, and the other end of which is connected to the fixed interface;

[0009] a transmission mechanism, the operation of which drives the first movable joint and the second movable joint to move synchronously, so that one of the first movable joint and the second movable joint is connected to the external terminal and the other is disconnected from the external terminal;

[0010] a DC motor, which operates to drive the transmission mechanism; and

[0011] A control circuit that controls the DC motor to rotate forward or reverse.

[0012] The forward or reverse rotation of the DC motor changes the running direction of the first movable joint and the second movable joint through the transmission mechanism.

[0013] Preferably, the transmission mechanism includes:

[0014] a first rack, the movement of which drives the first movable joint to move;

[0015] A second rack, the movement of which drives the second movable joint to move; and

[0016] A main gear is engaged with the first rack and the second rack for transmission, and the rotation of the main gear causes the first rack and the second rack to move synchronously.

[0017] Preferably, the transmission mechanism further includes a gear set, and the gear set includes:

[0018] a main shaft on which the main gear is disposed; and

[0019] The first bevel gear is arranged on the main shaft, and the DC motor is engaged with the first bevel gear to drive the main shaft to rotate.

[0020] Preferably, the first rack and the second rack are respectively provided on both sides of the main gear, the first movable joint and the second movable joint move synchronously in opposite directions, and the gear set further comprises:

[0021] a first idler gear meshed between the main gear and the first rack; and

[0022] A second idler gear is meshed between the main gear and the second rack.

[0023] Preferably, the gear set further includes a second bevel gear, the transmission mechanism further includes a secondary shaft, the second bevel gear is provided on the main shaft, the secondary shaft is meshed with the second bevel gear for transmission, and a manual wheel is installed on the secondary shaft.

[0024] Preferably, a counter is further included, and the transmission mechanism further includes:

[0025] a transmission gear, which is provided on the countershaft;

[0026] a counter transmission assembly, which is meshed with the transmission gear for transmission; and

[0027] A cam is provided on the counter transmission assembly. The rotation of the transmission gear drives the cam to rotate eccentrically through the counter transmission assembly. The eccentric rotation of the cam triggers the counter to count.

[0028] Preferably, the transmission mechanism further includes a gear box, and the gear set is arranged in the gear box.

[0029] Preferably, the control circuit comprises:

[0030] A first power supply circuit is turned on to drive the DC motor to rotate in a first direction; and

[0031] The second power supply circuit is turned on to drive the DC motor to rotate in a second direction.

[0032] Preferably, a first limit switch is provided in the first power supply circuit, and a second limit switch is provided in the second power supply circuit.

[0033] When one of the first movable joint and the second movable joint is connected to an external connector, the first limit switch is triggered, and the first power supply circuit is disconnected;

[0034] When the other of the first movable joint and the second movable joint is connected to the external connector, the second limit switch is triggered and the second power supply circuit is disconnected.

[0035] Preferably, it also includes a remote control component and / or a manual switching switch, a first relay is provided on the first power supply circuit, and a second relay is provided on the second power supply circuit, and the remote control component and / or the manual switching switch controls the attraction of the first relay and the second relay.

[0036] Preferably, it further includes a shell and a first intermediate interface and a second intermediate interface fixed on the shell, the first movable joint, the second movable joint, the transmission mechanism, the DC motor and the control circuit are arranged in the shell, the first intermediate interface is arranged between the first movable joint and the first terminal, and the second intermediate interface is arranged between the second movable joint and the second terminal.

[0037] After adopting the above technical solution, the utility model has the following beneficial effects.

[0038] 1. The utility model proposes a dual-channel connector, in which a transmission mechanism drives the first movable joint and the second movable joint to move synchronously, and the forward and reverse rotation of the DC motor drives the transmission mechanism to change the movement direction of the first movable joint and the second movable joint, so that the fixed interface can switch between the first terminal or the second terminal connected to the outside, thereby realizing channel switching of the dual-channel connector without manual switching, thereby improving the degree of automation of the dual-channel connector.

[0039] 2. Through the meshing of the gear and the rack, the rotation of the gear drives the rack to move, thereby realizing the synchronous movement of the first movable joint and the second movable joint. Compared with other transmission schemes, this scheme has a simple structure, is strong and durable, and helps to reduce the production and subsequent maintenance costs of the dual-channel connector.

[0040] 3. To reduce the height of the dual-channel connector, the first and second racks are placed horizontally, and the main gear meshes directly or indirectly with them. Therefore, the main gear is also placed horizontally, and the main shaft is correspondingly arranged vertically. The DC motor needs to drive the main gear to rotate. In general solutions, the DC motor's motor shaft needs to be placed vertically along with the main shaft, but this increases the height of the dual-channel connector. The meshing transmission between the DC motor and the first bevel gear set on the main shaft allows the DC motor to be placed horizontally. This horizontal placement of the DC motor reduces the space occupied in the height direction, thereby reducing the height of the dual-channel connector.

[0041] 4. The first movable joint and the second movable joint move synchronously in opposite directions, and the main gear engages with the first rack and the second rack through the first idle gear and the second idle gear respectively. On the one hand, the main gear does not need to be designed too large to meet the requirement of directly engaging with the first rack and the second rack at the same time, thereby reducing the outer dimensions of the gear set and reducing costs. On the other hand, the rack does not need to be designed too complicated to avoid interference, thereby further reducing costs and improving the economy of the dual-channel connector.

[0042] 5. The gear set also includes a second bevel gear, and the transmission mechanism also includes a countershaft. The second bevel gear is mounted on the main shaft, and the countershaft meshes with the second bevel gear to provide transmission. A manual wheel is mounted on the countershaft. This arrangement allows the DC motor or control circuit to malfunction and remain operational by turning the manual wheel, ensuring that the dual-channel connector switches channels normally. This further improves the fault tolerance and safety of the dual-channel connector.

[0043] 6. Since the channel switching of the dual-channel connector may be relatively frequent, and some of its components need to be replaced after a certain number of uses, the counting function is designed to provide maintenance personnel with accurate data reference. Maintenance personnel can replace the components in advance before the components are used a certain number of times based on their service life, thereby avoiding safety hazards that may be caused by the components nearing the end of their service life, thereby further improving the fault tolerance and safety of the dual-channel connector.

[0044] 7. The transmission mechanism also includes a gear box, and the gear set is arranged in the gear box. Such an arrangement can effectively prevent dust and lubricate the gear set, thereby increasing the service life of the gear set and thus providing protection for the normal use of the dual-channel connector.

[0045] 8. Using two sets of circuits to switch the forward and reverse rotation of the DC motor is compared to using one power supply circuit to switch the forward and reverse rotation of the DC motor. On the one hand, the switching and response speed of the dual-circuit power supply solution is faster. On the other hand, the design of the dual-circuit solution is actually simpler and does not require complex control logic, making the subsequent maintenance and troubleshooting of the circuit simpler.

[0046] 9. This setting further optimizes the control logic of the dual-circuit circuit. When the movable joint is connected to the external terminal, the limit switch disconnects the power supply circuit, thereby avoiding mechanical damage caused by excessive squeezing between the movable joint, external terminals, and intermediate interfaces. It also avoids the DC motor from being blocked when its operation is obstructed, which may cause damage to the DC motor. This also protects the power supply circuit and prevents the circuit from being blown due to excessive current.

[0047] 10. The dual-channel connector further includes a remote control component and / or a manual selector switch. A first relay is provided on the first power supply circuit, and a second relay is provided on the second power supply circuit. The remote control component and / or the manual selector switch control the activation of the first and second relays. This configuration further optimizes the control of the dual-channel connector and provides dual protection for the control of the dual-channel connector. If the remote control component becomes unavailable, the manual selector switch can be used to switch channels. This ensures that the dual-channel connector remains operational while the remote control component is being repaired, thereby further improving the fault tolerance and safety of the dual-channel connector.

[0048] 11. The movable joint and the external terminal are connected through the intermediate interface fixed on the shell. The first external terminal and the second external terminal can be stably connected to the first intermediate interface and the second intermediate interface respectively, thereby improving the stability of the external terminal on the dual-channel connector. The external terminal will not become loose due to direct connection with the movable joint, thereby improving the stability and reliability of the dual-channel connector.

[0049] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 This is a schematic diagram of a dual-channel connector in an embodiment of the present utility model;

[0051] Figure 2 This is a schematic diagram of wiring of a dual-channel connector in an embodiment of the present utility model;

[0052] Figure 3 This is a schematic diagram of the first movable joint in the embodiment of the present utility model in the plugging position;

[0053] Figure 4This is a schematic diagram of the second movable joint in the embodiment of the present utility model in the plugging position;

[0054] Figure 5 This is a schematic diagram of a gear set in an embodiment of the present utility model;

[0055] Figure 6 Schematic diagram of the gearbox in the embodiment of the present invention.

[0056] Reference numerals:

[0057] 100, housing, 110, fixed joint, 120, first movable joint, 121, second movable joint, 130, first terminal, 131, second terminal, 140, first intermediate interface, 141, second intermediate interface;

[0058] 200, transmission mechanism, 210, first rack, 211, second rack, 220, gear set, 221, main gear, 222, main shaft, 223, first bevel gear, 224, second bevel gear, 225, first idler gear, 226, second idler gear, 227, counter shaft, 2271, third bevel gear, 228, fourth bevel gear, 229, transmission gear, 230, counter transmission assembly, 231, cam, 240, gear box, 250, coupling;

[0059] 300, counter;

[0060] 400, manual wheel;

[0061] 500, DC motor

[0062] 600, control circuit, 601, first limit switch, 602, second limit switch, 603, first relay, 604, second relay, 610, remote interface, 620, manual switching switch. DETAILED DESCRIPTION

[0063] The following is an explanation and description of the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0064] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0065] 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 the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" or "several" means two or more, unless expressly limited otherwise.

[0066] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0067] Example 1:

[0068] like Figures 1 to 5As shown, a dual-channel connector proposed in an embodiment of the present invention includes a fixed interface 110, a first movable joint 120, a second movable joint 121, a transmission mechanism 200, a DC motor 500, and a control circuit 600. One end of the first movable joint 120 is used to connect to an external first terminal 130, and the other end is connected to the fixed interface 110. One end of the second movable joint 121 is used to connect to an external second terminal 131, and the other end is connected to the fixed interface 110. The DC motor 500 drives the transmission mechanism 200 to operate. The control circuit 600 is used to control the forward or reverse rotation of the DC motor 500. The operation of the transmission mechanism 200 drives the first movable joint 120 and the second movable joint 121 to move synchronously, so that one of the first movable joint 120 and the second movable joint 121 is connected to the external terminal and the other is disconnected from the external terminal. The forward or reverse rotation of the DC motor 500 changes the movement direction of the first movable joint 120 and the second movable joint 121 through the transmission mechanism 200. When the first movable joint 120 is connected to the first terminal 130, the second movable joint 121 is disengaged from the second terminal 131, and when the second movable joint 121 is connected to the second terminal 131, the first movable joint 120 is disengaged from the first terminal 130, so that the fixed interface 110 can switch between connecting to the external first terminal 130 or the second terminal 131, thereby realizing channel switching of the dual-channel connector.

[0069] The first movable joint 120 and the second movable joint 121 are driven to move synchronously by the transmission mechanism 200, and the forward and reverse rotation of the DC motor 500 drives the transmission mechanism 200 to change the movement direction of the first movable joint 120 and the second movable joint 121, so that the fixed interface 110 can switch between connecting to the first terminal 130 or the second terminal 131 of the outside, thereby realizing channel switching of the dual-channel connector without manual switching, thereby improving the degree of automation of the dual-channel connector.

[0070] The first terminal 130 and the second terminal 131 can be located on the same side of the dual-channel connector. In this way, the first movable joint 120 and the second movable joint 121 move in opposite directions, thereby connecting one of the first movable joint 120 and the second movable joint 121 to an external terminal and disconnecting the other from the external terminal. The first terminal 130 and the second terminal 131 can also be located on different sides of the dual-channel connector. In this way, the first movable joint 120 and the second movable joint 121 can move in the same direction, or they can move synchronously at a certain angle.

[0071] In this embodiment, it also includes a shell 100 and a first intermediate interface 140 and a second intermediate interface 141 fixed on the shell 100. The first movable joint 120, the second movable joint 121, the transmission mechanism 200, the DC motor 500 and the control circuit 600 are arranged in the shell 100. The first intermediate interface 140 is arranged between the first movable joint 120 and the first terminal 130, and the second intermediate interface 141 is arranged between the second movable joint 121 and the second terminal 131.

[0072] Specifically, the intermediate interface can be adapted to the movable joint at one end and adapted to the external terminal at the other end; the intermediate interface can also be passed through by the pins on the external terminal, and some of the pins pass through the intermediate interface and are exposed, and the movable joint is plugged into the exposed pins.

[0073] Exemplarily, the external terminal is a male plug, the movable joint is a male plug, and both ends of the middle interface are female plugs; the external terminal and the movable joint are one male plug and the other female plug, and the two ends of the middle interface are female plugs and male plugs respectively.

[0074] Exemplarily, the external terminal is a male plug, the middle interface is a hollow plug, the pins of the external terminal pass through the hollow plug of the middle interface and part of the pins are exposed, the movable joint is a female plug, and the movable joint is plugged into the exposed pins.

[0075] The connection between the movable joint and the external terminal is achieved through the intermediate interface fixed on the shell 100. The external first terminal 130 and the second terminal 131 can be stably connected to the first intermediate interface 140 and the second intermediate interface 141 respectively, thereby improving the stability of the external terminal on the dual-channel connector. The external terminal will not become loose due to direct connection with the movable joint, thereby improving the stability and reliability of the dual-channel connector.

[0076] In some other embodiments, a fixing structure for fixing external terminals may be provided on the shell 100, the first terminal 140 and the second terminal 141 are fixed to the shell 100 through the fixing structure, and the first movable joint 120 and the second movable joint 121 are directly plugged into the first terminal 140 and the second terminal 141 respectively.

[0077] In this embodiment, the transmission mechanism 200 includes a first rack 210, a second rack 211 and a main gear 221. The movement of the first rack 210 drives the movement of the first movable joint 120, and the movement of the second rack 211 drives the movement of the second movable joint 121. The main gear 221 is respectively engaged with the first rack 210 and the second rack 211 for transmission, so that the rotation of the main gear 221 causes the first rack 210 and the second rack 211 to move synchronously.

[0078] One end of the first rack 210 is fixedly connected to the first movable joint 120, and one end of the second rack 211 is fixedly connected to the second movable joint 121. The first rack 210 and the second rack 211 can slide relative to the housing 100, so that the rotation of the main gear 221 causes the first rack 210 and the second rack 211 to move synchronously.

[0079] By meshing the gear and the rack, the rotation of the gear drives the rack to move, thereby realizing the synchronous movement of the first movable joint 120 and the second movable joint 121. Compared with other transmission schemes, this scheme has a simple structure, is strong and durable, and helps to reduce the production and subsequent maintenance costs of the dual-channel connector.

[0080] Exemplarily, the first movable joint 120 and the second movable joint 121 move synchronously in opposite directions, the teeth of the first rack 210 and the teeth of the second rack 211 are opposed to each other, and the first rack 210 and the second rack 211 are disposed on either side of the main gear 221. The main gear 221 can directly mesh with the first rack 210 and the second rack 211, or it can indirectly mesh with the first rack 210 and the second rack 211 via an idler gear. The main gear 221 can also directly mesh with one of the first rack 210 and the second rack 211 on one side and indirectly mesh with the other through an even number of idler gears.

[0081] In another example, the first movable joint 120 and the second movable joint 121 move synchronously in opposite directions. The teeth of the first rack 210 and the teeth of the second rack 211 protrude in the same direction. The first rack 210 and the second rack 211 are located on the same side of the main gear 221. The main gear 221 directly meshes with one of the first rack 210 and the second rack 211; the main gear 221 indirectly meshes with the other of the first rack 210 and the second rack 211 via an odd number of idler gears. The main gear 221 has sufficient thickness to meet this meshing condition.

[0082] In another example, the first movable joint 120 and the second movable joint 121 move synchronously in the same direction, the teeth of the first rack 210 and the teeth of the second rack 211 are opposite, the first rack 210 and the second rack 211 are arranged on both sides of the main gear 221, and the gear directly engages with one of the first rack 210 and the second rack 211; the main gear 221 indirectly engages with the other of the first rack 210 and the second rack 211 through an odd number of idle gears.

[0083] In another example, the first movable joint 120 and the second movable joint 121 move synchronously in the same direction, the teeth of the first rack 210 and the teeth of the second rack 211 protrude in the same direction, and the first rack 210 and the second rack 211 are located on the same side of the main gear 221. The main gear 221 can directly mesh with the first rack 210 and the second rack 211, or it can indirectly mesh with the first rack 210 and the second rack 211 through an idler gear. The main gear 221 can also directly mesh with one of the first rack 210 and the second rack 211 on one side and indirectly mesh with the other through an even number of idler gears.

[0084] In another example, the first movable joint 120 and the second movable joint 121 move synchronously, and the movement directions of the two have a certain angle (the angle is between 0 degrees and 180 degrees). Those skilled in the art can determine the meshing conditions between the main gear 221 and the first rack 210 and the second rack 211 through a limited number of experiments, which will not be repeated here.

[0085] Preferably, in this embodiment, the transmission mechanism 200 further includes a gear set 220, which includes a main gear 221, a main shaft 222 and a first bevel gear 223. The main gear 221 and the first bevel gear 223 are arranged on the main shaft 222 at intervals. The DC motor 500 engages with the first bevel gear 223 to drive the main shaft 222 to rotate, thereby driving the main gear 221 to rotate.

[0086] Specifically, the DC motor 500 includes a motor shaft, on which a fourth bevel gear 228 is mounted. The fourth bevel gear 228 and the first bevel gear 223 are in right-angle transmission relation.

[0087] The fourth bevel gear 228 may also be provided in the gear set 220 , and the fourth bevel gear 228 is connected to the motor shaft of the DC motor 500 via a coupling 250 .

[0088] To reduce the height of the dual-channel connector, the first rack 210 and the second rack 211 are positioned horizontally, and the main gear 221 meshes with the first rack 210 and the second rack 211 directly or indirectly through an idler gear. Therefore, the main gear 221 is also positioned horizontally. The main shaft 222 is correspondingly positioned vertically, and the DC motor 500 is required to drive the main gear 221 to rotate. In a typical solution, the motor shaft of the DC motor 500 is correspondingly positioned vertically along with the main shaft 222, but this increases the height of the dual-channel connector. The meshing transmission between the DC motor 500 and the first bevel gear 223 disposed on the main shaft 222 allows the DC motor 500 to be positioned horizontally. This horizontal placement of the DC motor 500 reduces the space occupied in the height direction, thereby reducing the height of the dual-channel connector.

[0089] In a more preferred embodiment, the first rack 210 and the second rack 211 are respectively arranged on both sides of the main gear 221, the first movable joint 120 and the second movable joint 121 move synchronously in opposite directions, and the gear set 220 also includes a first idle gear 225 and a second idle gear 226, the first idle gear 225 is engaged between the main gear 221 and the first rack 210, and the second idle gear 226 is engaged between the main gear 221 and the second rack 211.

[0090] The first movable joint 120 and the second movable joint 121 move synchronously in opposite directions, and the main gear 221 engages the first rack 210 and the second rack 211 through the first idle gear 225 and the second idle gear 226 respectively. On the one hand, the main gear 221 does not need to be designed too large to meet the requirement of directly engaging the first rack 210 and the second rack 211 at the same time, thereby reducing the outer dimensions of the gear set 220 and reducing costs. On the other hand, the rack does not need to be designed too complicated to avoid interference, thereby further reducing costs and improving the economy of the dual-channel connector.

[0091] In another more preferred embodiment, the gear set 220 further includes a second bevel gear 224, and the transmission mechanism 200 further includes a secondary shaft 227. The second bevel gear 224 is provided on the main shaft 222, and the secondary shaft 227 is engaged with the second bevel gear 224 for transmission. A manual wheel 400 is installed on the secondary shaft 227.

[0092] The second bevel gear 224, the main gear 221 and the first bevel gear 223 are arranged on the main shaft 222 at intervals. The secondary shaft 227 is provided with a third bevel gear 2271, which is engaged with the second bevel gear 224 for transmission.

[0093] With this arrangement, when the DC motor 500 or the control circuit 600 fails and cannot be used, the manual wheel 400 can be turned to operate it, ensuring that the channels of the dual-channel connector can be switched normally, thereby further improving the fault tolerance and safety of the dual-channel connector.

[0094] This embodiment is further preferred, the dual-channel connector also includes a counter 300, the transmission mechanism 200 also includes a transmission gear 229, a counter transmission assembly 230 and a cam 231, the transmission gear 229 is provided on the secondary shaft 227, the counter transmission assembly 230 is engaged with the transmission gear 229 for transmission, the cam 231 is provided on the counter transmission assembly 230, the rotation of the transmission gear 229 drives the cam 231 to rotate eccentrically through the counter transmission assembly 230, and the eccentric rotation of the cam 231 triggers the counter 300 to count.

[0095] The counter 300 is provided with a micro switch, and the cam 231 triggers the micro switch to realize the technology of the counter 300. The counter 300 also includes a reset function, which can return the reading of the counter 300 to zero.

[0096] Since the channel switching of the dual-channel connector may be relatively frequent, and some of its components need to be replaced after a certain number of uses, the counting function is designed to provide maintenance personnel with accurate data reference. Maintenance personnel can replace the components in advance before the components are used a certain number of times based on their service life, thereby avoiding safety hazards that may be caused by the components nearing the end of their service life, thereby further improving the fault tolerance and safety of the dual-channel connector.

[0097] Example 2:

[0098] Based on Example 1, Figure 5 、 Figure 6 As shown, in this embodiment, the transmission mechanism 200 further includes a gear box 240 , and the gear set 220 is disposed in the gear box 240 .

[0099] Such an arrangement can effectively prevent dust and lubricate the gear set 220, thereby increasing the service life of the gear set 220 and ensuring the normal use of the dual-channel connector.

[0100] Example 3:

[0101] Based on the first and second embodiments, Figures 1 to 2 As shown, in this embodiment, the control circuit 600 includes a first power supply circuit and a second power supply circuit. The first power supply circuit is turned on to drive the DC motor 500 to rotate in a first direction, and the second power supply circuit is turned on to drive the DC motor 500 to rotate in a second direction.

[0102] The forward and reverse switching of the DC motor 500 is achieved by using two sets of circuits. Compared with using a single power supply circuit to achieve the forward and reverse switching of the DC motor 500, on the one hand, the switching and response speed of the dual-circuit power supply solution is faster. On the other hand, the design of the dual-circuit solution is actually simpler and does not require complex control logic, making the subsequent maintenance and troubleshooting of the circuit simpler.

[0103] Preferably, in this embodiment, a first limit switch 601 is provided in the first power supply circuit, and a second limit switch 602 is provided in the second power supply circuit. When one of the first movable joint 120 and the second movable joint 121 is connected to the external terminal, the first limit switch 601 is triggered, and the first power supply circuit is disconnected; when the other of the first movable joint 120 and the second movable joint 121 is connected to the external terminal, the second limit switch 602 is triggered, and the second power supply circuit is disconnected.

[0104] Such a setting further optimizes the control logic of the dual-circuit circuit. When the movable joint is connected to the external terminal, the limit switch disconnects the power supply circuit, thereby avoiding mechanical damage caused by excessive squeezing between the movable joint, the external terminal, and the intermediate interface. It also avoids the DC motor 500 from being blocked when its operation is obstructed, thereby avoiding the DC motor 500 from being easily damaged, thereby protecting the power supply circuit and preventing the circuit from being blown due to excessive current.

[0105] In another preferred embodiment, the dual-channel connector further includes a remote control component and / or a manual switching switch 620, a first relay 603 is provided on the first power supply circuit, and a second relay 604 is provided on the second power supply circuit, and the remote control component and / or the manual switching switch 620 controls the attraction of the first relay 603 and the second relay 604.

[0106] The remote control component includes a remote interface 610 , which is connected to the first relay 603 and the second relay 604 . The remote control component inputs an external signal through the remote interface 610 to control the contact of the first relay 603 and the second relay 604 .

[0107] Such a setting further optimizes the control of the dual-channel connector and provides double protection for the control of the dual-channel connector. When the remote control component cannot be used, the channel can be switched by manually switching the switch 620, ensuring that the dual-channel connector can still be used normally during the maintenance of the remote control component, thereby further improving the fault tolerance and safety of the dual-channel connector.

[0108] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art will understand that the present invention includes, but is not limited to, the contents described in the accompanying drawings and the above specific embodiments. Any modifications that do not deviate from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims

1. A dual-channel connector, characterized in that: include: Fixed interface; a first movable joint, one end of which is used to connect to an external first terminal, and the other end of which is connected to the fixed interface; a second movable joint, one end of which is used to connect to an external second terminal, and the other end of which is connected to the fixed interface; a transmission mechanism, the operation of which drives the first movable joint and the second movable joint to move synchronously, so that one of the first movable joint and the second movable joint is connected to the external terminal and the other is disconnected from the external terminal; a DC motor, which operates to drive the transmission mechanism; and A control circuit that controls the DC motor to rotate forward or reverse. The forward or reverse rotation of the DC motor changes the running direction of the first movable joint and the second movable joint through the transmission mechanism.

2. A dual-channel connector according to claim 1, characterized in that: The transmission mechanism comprises: a first rack, the movement of which drives the first movable joint to move; A second rack, the movement of which drives the second movable joint to move; and A main gear is engaged with the first rack and the second rack for transmission, and the rotation of the main gear causes the first rack and the second rack to move synchronously.

3. A dual-channel connector according to claim 2, characterized in that: The transmission mechanism also includes a gear set, which includes the main gear, the main shaft and the first bevel gear. The main gear and the first bevel gear are arranged on the main shaft at intervals. The DC motor is engaged with the first bevel gear to drive the main shaft to rotate, thereby driving the main gear to rotate.

4. A dual-channel connector according to claim 3, characterized in that: The first rack and the second rack are respectively provided on both sides of the main gear, the first movable joint and the second movable joint move synchronously in opposite directions, and the gear set further includes: a first idler gear meshed between the main gear and the first rack; and A second idler gear is meshed between the main gear and the second rack.

5. A dual-channel connector according to claim 3, characterized in that: The gear set further includes a second bevel gear, and the transmission mechanism further includes a countershaft. The second bevel gear is provided on the main shaft. The countershaft is meshed with the second bevel gear for transmission, and a manual wheel is installed on the countershaft.

6. A dual-channel connector according to claim 5, characterized in that: Also includes a counter, the transmission mechanism further includes: a transmission gear, which is provided on the countershaft; a counter transmission assembly, which is meshed with the transmission gear for transmission; and A cam is provided on the counter transmission assembly. The rotation of the transmission gear drives the cam to rotate eccentrically through the counter transmission assembly. The eccentric rotation of the cam triggers the counter to count.

7. A dual-channel connector according to any one of claims 3 to 5, characterized in that: The transmission mechanism further includes a gear box, and the gear set is arranged in the gear box.

8. The dual-channel connector according to claim 1, wherein: The control circuit comprises: A first power supply circuit is turned on to drive the DC motor to rotate in a first direction; and The second power supply circuit is turned on to drive the DC motor to rotate in a second direction.

9. A dual-channel connector according to claim 8, characterized in that: A first limit switch is provided in the first power supply circuit, and a second limit switch is provided in the second power supply circuit. When one of the first movable joint and the second movable joint is connected to an external terminal, the first limit switch is triggered, and the first power supply circuit is disconnected; When the other of the first movable joint and the second movable joint is connected to the external terminal, the second limit switch is triggered and the second power supply circuit is disconnected.

10. The dual-channel connector according to claim 8, wherein: It also includes a remote control component and / or a manual switching switch. A first relay is provided on the first power supply circuit, and a second relay is provided on the second power supply circuit. The remote control component and / or the manual switching switch controls the attraction of the first relay and the second relay.

11. The dual-channel connector according to claim 1, wherein: It also includes a shell and a first intermediate interface and a second intermediate interface fixed on the shell. The first movable joint, the second movable joint, the transmission mechanism, the DC motor and the control circuit are arranged in the shell. The first intermediate interface is used to connect the first movable joint and the first terminal, and the second intermediate interface is used to connect the second movable joint and the second terminal.

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