CN116706632B - Electrical connector, connecting device and truck - Google Patents
Electrical connector, connecting device and truck Download PDFInfo
- Publication number
- CN116706632B CN116706632B CN202310978703.0A CN202310978703A CN116706632B CN 116706632 B CN116706632 B CN 116706632B CN 202310978703 A CN202310978703 A CN 202310978703A CN 116706632 B CN116706632 B CN 116706632B
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- Prior art keywords
- coupling
- coupling part
- rod
- hinge rod
- driven
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- 238000010168 coupling process Methods 0.000 claims abstract description 311
- 230000008878 coupling Effects 0.000 claims abstract description 305
- 238000005859 coupling reaction Methods 0.000 claims abstract description 305
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 15
- 238000013459 approach Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
- H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/58—Auxiliary devices
- B60D1/62—Auxiliary devices involving supply lines, electric circuits, or the like
- B60D1/64—Couplings or joints therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/60—Means for supporting coupling part when not engaged
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the technical field of electrical connection, in particular to an electrical connector, a connecting device and a truck. The electrical connector includes: the first assembly is used for being mounted to first equipment and comprises a mounting frame and a first coupling structure, the mounting frame is provided with a sliding hole extending along a first axis, and the first coupling structure can reciprocate along the sliding hole so that the first coupling part can be retracted into or extended out of the sliding hole; the second component is used for being mounted to second equipment and comprises a second coupling structure, and the second coupling structure can drive the second coupling part to be rotatably coupled with or uncoupled from the first coupling part extending out of the sliding hole. The electric connector, the connecting device and the truck provided by the invention can realize rotatable electric coupling of the tractor and the trailer outside the pin hole of the traction pin, so that the problems of line torsion and short circuit are not easy to occur, in addition, the risk of conducting electricity between the first coupling part and the external environment is reduced, and the first coupling part is not easy to be polluted and damaged.
Description
Technical Field
The invention relates to the technical field of electrical connection, in particular to an electrical connector, a connecting device and a truck.
Background
Trucks have a tractor, a trailer and a coupling device for coupling the two, which generally has a saddle and a towing pin, the tractor and the trailer being coupled by the cooperation of the saddle and the towing pin, the tractor and the trailer being rotated about the axis of the towing pin during travel.
At present, some trucks exist, the electric coupling of the tractor and the trailer is realized in the hollow cavity of the traction pin, the space in the hollow cavity of the traction pin is limited, and rotatable coupling is difficult to realize in the hollow cavity of the traction pin, so that an electric connection circuit connected between the tractor and the trailer is easy to generate torsion fracture due to relative rotation between the tractor and the trailer, and finally, the electric connection failure of the tractor and the trailer is caused; in addition, in the limited space of the hollow cavity of the towing pin, an effective insulation protection structure is difficult to design, and short circuit faults easily occur in the coupling process. Particularly for high-power electrical connection, the cross section area of the cable is greatly increased, so that the connection mode in the hollow traction pin is more difficult to meet the use requirement.
Disclosure of Invention
The invention aims to provide an electric connector, a connecting device and a truck, so as to reduce the risk of failure of electric connection between a tractor and a trailer.
The present invention provides an electrical connector comprising:
a first assembly for mounting to a first device, comprising a mounting frame provided with a slide hole extending along a first axis, and a first coupling structure; the first coupling structure is provided with a first coupling part used for communicating an electrical system of the first equipment, and can reciprocate along the sliding hole so as to enable the first coupling part to retract into the sliding hole or extend out of the sliding hole;
the second assembly is used for being mounted to second equipment and comprises a second coupling structure, the second coupling structure is provided with a second coupling part used for being communicated with an electrical system of the second equipment, and the second coupling structure can drive the second coupling part to be rotatably coupled with or uncoupled from the first coupling part extending out of the sliding hole.
Preferably, as an implementation manner, two ends of the sliding hole are a first end and a second end, and the first coupling part can extend from the first end of the sliding hole.
A first sealing structure is arranged on one side of the first coupling structure, which is positioned in the extending direction of the first coupling part, and can seal the first end of the sliding hole after the first coupling part is retracted into the sliding hole; and/or a second sealing structure is arranged on one side of the first coupling structure, which is positioned in the retraction direction of the first coupling part, and the second sealing structure can seal the first end of the sliding hole after the first coupling part extends out of the sliding hole; and/or the second end of the slide hole can be hidden in the first device.
Preferably, as an implementation manner, a first limiting structure is arranged on one side of the first coupling structure, which is located in the extending direction of the first coupling part, and the mounting frame can prevent the first limiting structure from entering the sliding hole;
and/or, a second limiting structure is arranged on one side of the first coupling structure, which is positioned in the retraction direction of the first coupling part, and the mounting frame can prevent the second limiting structure from entering the sliding hole.
Preferably, as an implementation manner, the first coupling structure has a first screw rod and a first driven piece, the mounting frame can limit the circumferential rotation of the first screw rod, the first screw rod is arranged along the first axis in an extending way, the first coupling part is arranged on the first screw rod, the first driven piece has a threaded hole, and the first screw rod is matched with the threaded hole of the first driven piece; the first assembly further comprises a first driving mechanism, wherein the first driving mechanism is connected with the first driven piece and used for driving the first driven piece to rotate around the first screw rod.
Preferably, as an implementation manner, the first driving mechanism includes a first rotary driver, a driving pulley, a synchronous belt and a driven pulley, wherein an output shaft of the first rotary driver is coaxially fixed with the driving pulley, and the driving pulley and the driven pulley are matched with the synchronous belt; the driven belt wheel is fixedly connected with the first driven part or integrally formed, or the first driven part is the driven belt wheel; the threaded hole on the first driven piece and the driven belt wheel are coaxially arranged;
or, the first driving mechanism comprises a first rotary driver, a driving gear and a driven gear, wherein an output shaft of the first rotary driver is coaxially fixed with the driving gear, and the driving gear is meshed with the driven gear; the driven gear is fixedly connected with the first driven piece or integrally formed, or the first driven piece is the driven gear; the threaded hole on the first driven piece and the driven gear are coaxially arranged.
Preferably, as an implementation manner, the first coupling structure has a terminal post, and the terminal post includes the first coupling part; the second assembly further comprises a second driving mechanism, the second coupling structure comprises a first hinging rod and a second hinging rod which are oppositely arranged, the second driving mechanism is connected with the first hinging rod and the second hinging rod and used for driving the first hinging rod and the second hinging rod to approach to each other to hug tightly the first coupling part or to separate from each other to loosen the first coupling part.
The second coupling part is arranged on the first hinging rod and/or the second hinging rod, and can be coupled with the first coupling part after the first hinging rod and the second hinging rod hug the first coupling part tightly.
Preferably, as an implementation manner, the first hinge rod and the second hinge rod are both provided with arc sections, the second coupling part is arranged on the concave arc side of the arc sections, the radius corresponding to the concave arc side of the arc sections is matched with the radius corresponding to the outer wall of the first coupling part, and the concave arc side of the arc sections of the first hinge rod and the concave arc side of the arc sections of the second hinge rod are oppositely arranged and are used for holding the first coupling part tightly.
Preferably, as an implementation manner, the second assembly further comprises a support, a second driven member and a third driven member, wherein one end of the first hinging rod and one end of the second hinging rod are both hinged to the support, the other end of the first hinging rod is hinged to the second driven member, and the other end of the second hinging rod is hinged to the third driven member.
The second driving mechanism is connected with the second driven piece and the third driven piece and is used for driving the second driven piece and the third driven piece to move towards a direction approaching to or away from each other.
Preferably, as an implementation manner, the second driving mechanism includes a second rotary driver and a second screw rod, the second screw rod is perpendicular to the first axis, the second driven member and the third driven member are respectively provided with a threaded hole, the threaded hole of the second driven member and the threaded hole of the third driven member are matched with the second screw rod, an output shaft of the second rotary driver is connected with the second screw rod and is used for driving the second screw rod to rotate, and the second screw rod can be rotated to drive the second driven member and the third driven member to move in opposite directions.
Preferably, as an implementation manner, the first coupling part includes a first positive coupling part and a first negative coupling part, where the first positive coupling part and the first negative coupling part are respectively used for connecting a positive pole and a negative pole of an electrical system of the first device, and the first positive coupling part and the first negative coupling part are disposed at intervals along the first axis and are insulated from each other.
The second coupling part comprises a second positive electrode coupling part and a second negative electrode coupling part which are mutually insulated, and the second positive electrode coupling part and the second negative electrode coupling part are respectively used for connecting a positive electrode and a negative electrode of an electrical system of the second equipment; the first hinging rod comprises a first positive hinging rod and a first negative hinging rod, the second hinging rod comprises a second positive hinging rod and a second negative hinging rod, the second positive coupling part is arranged on the first positive hinging rod and/or the second positive hinging rod, and the second negative coupling part is arranged on the first negative hinging rod and/or the second negative hinging rod.
The first positive electrode hinging rod and the second positive electrode hinging rod are arranged opposite to each other, and can tightly hold the first positive electrode coupling part; the first negative electrode hinging rod is arranged opposite to the second negative electrode hinging rod, and can clamp the first negative electrode coupling part.
The connecting device is used for connecting a tractor with a trailer, the connecting device comprises a saddle and the electric connector, the mounting frame comprises a traction pin, and a pin hole of the traction pin forms the sliding hole; the first equipment is a trailer, and the traction pin is mounted on the trailer; the second device is a tractor, the saddle is mounted to the tractor, the second component is mounted to the saddle, and the saddle is matched with the traction pin.
The truck provided by the invention comprises a tractor, a trailer and the connecting device, wherein the connecting device is used for connecting the tractor and the trailer.
Compared with the prior art, the invention has the beneficial effects that:
according to the electrical connector provided by the invention, the first component and the second component can be respectively mounted on first equipment and second equipment which need to be electrically connected, the first coupling part of the first component mounted on the first equipment can be communicated with the electrical system of the first equipment, and the second coupling part of the second component mounted on the second equipment can be communicated with the electrical system of the second equipment; when the first equipment and the second equipment are electrically connected, the first driving mechanism is controlled to drive the first coupling structure to move along the sliding hole, so that the first coupling part on the first coupling structure extends out of the sliding hole, and on the basis, the second driving mechanism is controlled to drive the second coupling structure to move, so that the second coupling part on the second coupling structure moves towards the direction close to the first coupling part until the second coupling part is coupled with the first coupling part extending out of the sliding hole, and the second coupling part is rotatably coupled with the first coupling part, therefore, when the two equipment relatively rotate, the first component and the second component relatively rotate, the first coupling part and the second coupling part can adaptively act, and on the premise of allowing the first component and the second component to relatively rotate, the coupling effect of the first coupling part and the second coupling part can be ensured, and therefore, when the electric connector provided by the embodiment is used for electrically connecting the first equipment and the second equipment (such as a tractor and a trailer) with the requirement of relatively rotation, the torsion problem is not easy to occur, and the good electric connection effect between the first equipment and the second equipment can be ensured.
When the first device and the second device are detached, the second driving mechanism can be controlled to drive the second coupling structure to move reversely, so that the second coupling part on the second coupling structure moves in a direction away from the first coupling part until the second coupling part is separated from the first coupling part extending out of the sliding hole to be in a decoupling state, and on the basis, the first driving mechanism is controlled to drive the first coupling structure to move along the slide Kong Fanxiang, so that the first coupling part on the first coupling structure is retracted into the sliding hole, and the first device and the second device are electrically disconnected.
It should be noted that, in the electrical connector provided by the invention, the first component is configured to drive the first coupling portion to extend out of the sliding hole, the first coupling portion and the second coupling portion are rotatably coupled outside the sliding hole, and the corresponding rotatable coupling structure is not limited by the space in the sliding hole and is suitable for a structure with limited space in the sliding hole; the coupling process of the first coupling part and the second coupling part is realized outside the sliding hole, the space outside the sliding hole is larger, short circuit faults are not easy to occur in the coupling process, the insulation protection requirement on the inside of the sliding hole is lower, the structure is also suitable for the structure with limited space in the sliding hole, and the structure is particularly suitable for high-power electric connection, for example: the rotatable coupling of circuit between tractor and the trailer is applicable to, and at this moment, the towing pin assembly between tractor and the trailer can be regarded as the mounting bracket, and the pinhole of towing pin can be regarded as the slide opening on the mounting bracket. In addition, after the first equipment and the second equipment are electrically connected and before the electrical connection is carried out, the first coupling part on the first coupling structure is received in the sliding hole of the mounting frame, on one hand, the first coupling part is in a state of being hidden in the sliding hole when the first coupling part is not required to be coupled with the second coupling part, the risk that the first coupling part is conductive to the external environment can be reduced, the first coupling part is not easy to be polluted by dust, small particles and other impurities in the external environment, on the other hand, when the first equipment and the second equipment are structurally assembled, the first coupling part is hidden in the sliding hole, interference collision is not easy to occur with other structures, and the risk that the first coupling part is damaged due to collision can be reduced.
The connecting device and the truck provided by the invention both comprise the electric connector, so that the connecting device has all the advantages of the electric connector, and when the tractor and the trailer rotate relatively, the problem of line torsion is not easy to occur, and the good electric connection effect between the tractor and the trailer can be ensured; in addition, the risk that the first coupling part conducts electricity with the external environment in a non-conducting state can be reduced, the first coupling part is not easy to be polluted by dust, small particles and other impurities in the external environment, and the first coupling part is not easy to interfere and collide with other structures to be damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of one structure of an electrical connector in a non-coupling state according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of one of the structures of the electrical connector provided in the embodiment of the present invention in a coupled state;
fig. 3 is a schematic cross-sectional view of another structure of an electrical connector according to an embodiment of the present invention in a non-coupled state;
fig. 4 is a schematic cross-sectional view of another structure of an electrical connector according to an embodiment of the present invention in a coupled state.
Reference numerals illustrate:
100-a first component; 110-mounting rack; 121-a first rotary drive; 122-a driving pulley; 123-synchronous belt; 124-driven pulley; 125-a drive gear; 126-driven gear; 131-a first sealing structure; 132-a first limit structure; 133-a second limiting structure; 134-a first screw; 135-a first positive coupling; 136-a first negative coupling; 137-positive wiring conductor; 138-a negative wiring conductor;
200-a second component; 211-a second rotary drive; 212-a second screw rod; 221-a first positive electrode hinge rod; 222-a first negative electrode hinge rod; 223-a second positive electrode hinge rod; 224-a second negative hinge lever; 230-supporting seat; 240-a second follower; 250-third follower.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
Referring to fig. 1-4, the present embodiment provides an electrical connector comprising:
a first assembly 100 for mounting to a first device, comprising a mounting bracket 110 and a first coupling structure, the mounting bracket 110 being provided with a slide hole extending along a first axis; the first coupling structure is provided with a first coupling part used for communicating an electrical system of the first equipment, and can reciprocate along the sliding hole so as to enable the first coupling part to retract into the sliding hole or extend out of the sliding hole;
the second component 200 is configured to be mounted to a second device, and includes a second coupling structure, where the second coupling structure is provided with a second coupling portion for communicating with an electrical system of the second device, and the second coupling structure can drive the second coupling portion to be rotatably coupled to or uncoupled from the first coupling portion extending from the slide hole.
In the electrical connector provided in this embodiment, the first component 100 and the second component 200 can be respectively mounted on a first device and a second device that need to be electrically connected, the first coupling portion of the first component 100 mounted on the first device can be in communication with the electrical system of the first device, and the second coupling portion of the second component 200 mounted on the second device can be in communication with the electrical system of the second device; when the first device and the second device are electrically connected, the first coupling structure is driven to move along the sliding hole, so that the first coupling part on the first coupling structure extends out of the sliding hole, and on the basis, the second coupling structure is driven to move, so that the second coupling structure drives the second coupling part to be coupled with the first coupling part extending out of the sliding hole (as shown in fig. 2 and 4), and the second coupling part is rotatably coupled with the first coupling part, therefore, when the two devices relatively rotate, the first assembly 100 and the second assembly 200 relatively rotate, the first coupling part and the second coupling part can adaptively act, and on the premise of allowing the first assembly 100 and the second assembly 200 to relatively rotate, the coupling effect of the first coupling part and the second coupling part can be ensured, and when the electrical connector provided by the embodiment is used for electrically connecting the first device and the second device (such as a tractor and a trailer) with the relatively rotating requirement, the problem of line torsion is not easy to occur, and the good electrical connection effect between the first device and the second device can be ensured.
When the first device and the second device are detached, the second coupling structure can be driven to move, so that the second coupling part on the second coupling structure is decoupled from the first coupling part (as shown in fig. 1 and 3), and on the basis, the first coupling structure is driven to move along the slide Kong Fanxiang, so that the first coupling part on the first coupling structure is retracted into the slide hole, and the first device and the second device can be electrically disconnected.
It should be noted that, in the electrical connector provided in this embodiment, the first assembly 100 is configured to drive the first coupling portion to extend out of the sliding hole, and the first coupling portion and the second coupling portion are rotatably coupled outside the sliding hole, so that the corresponding rotatable coupling structure is not limited by the space in the sliding hole, and is adapted to a structure with limited space in the sliding hole; the coupling process of the first coupling part and the second coupling part is realized outside the sliding hole, the space outside the sliding hole is larger, short circuit faults are not easy to occur in the coupling process, the insulation protection requirement on the inside of the sliding hole is lower, the structure is also suitable for the structure with limited space in the sliding hole, and the structure is particularly suitable for high-power electric connection, for example: the rotatable coupling of the line between the tractor and the trailer is applicable, at this time, the towing pin assembly between the tractor and the trailer can be used as the mounting frame 110, and the pin hole of the towing pin can be used as the sliding hole on the mounting frame 110. In addition, after the first device and the second device are electrically disconnected and before the first device and the second device are electrically connected, the first coupling part on the first coupling structure is received in the sliding hole of the mounting frame 110, on one hand, the first coupling part is in a state of being hidden in the sliding hole when the first coupling part is not required to be coupled with the second coupling part, so that the risk that the first coupling part is conductive to the external environment can be reduced, the first coupling part is not easy to be polluted by dust, small particles and other impurities in the external environment, on the other hand, when the first device and the second device are structurally assembled, the first coupling part is hidden in the sliding hole, interference collision with other structures is not easy to occur, and the risk that the first coupling part is damaged due to collision can be reduced.
The two ends of the sliding hole are respectively defined as a first end and a second end, and the first coupling part can extend out of the first end of the sliding hole.
The first sealing mechanism can be arranged on one side, located in the extending direction of the first coupling portion, of the first coupling structure, after the first coupling portion is retracted into the sliding hole, the first end of the sliding hole can be plugged by the first sealing structure 131, so that the risk that the first coupling portion is conductive to the external environment can be further reduced, impurities such as dust and small particles in the external environment cannot enter the sliding hole easily through the first end of the sliding hole, the risk that the first coupling portion in the sliding hole is polluted can be further reduced, and the conductive performance of the first coupling portion is guaranteed.
The second sealing structure can be arranged on one side of the first coupling structure, which is positioned in the retraction direction of the first coupling part, after the first coupling part extends out of the sliding hole, the second sealing structure can seal the first end of the sliding hole, so that dust, small particles and other impurities in the external environment are not easy to enter the sliding hole through gaps between the sliding hole and the first coupling structure under the condition that the first coupling part is positioned outside the sliding hole, the cleanness in the sliding hole can be ensured, and the first coupling part is not easy to be polluted by the impurities in the sliding hole after being retracted in the sliding hole.
The first sealing structure 131 and the second sealing structure may be both provided as sealing rings.
After the first component 100 is mounted on the first device, the second end of the sliding hole may be hidden in the first device, so that dust, small particles, and other impurities in the external environment are not easy to enter the sliding hole through the gap between the first end of the sliding hole and the first coupling structure.
The first limiting structure 132 may be disposed on one side of the first coupling structure in the extending direction of the first coupling portion, after the first coupling portion is retracted into the sliding hole of the mounting frame 110, the mounting frame 110 may prevent the first limiting structure 132 from entering the sliding hole, that is, the first limiting structure 132 may be blocked outside the sliding hole, so that the mounting frame 110 may prevent the first coupling structure from continuing to move along the retracting direction after the first coupling portion is retracted into the sliding hole, so as to implement positioning of the retraction limit position of the first coupling structure, and prevent the first coupling portion from sliding out from the second end of the sliding hole.
The second limiting structure 133 may be disposed on one side of the first coupling structure in the retraction direction of the first coupling portion, and after the first coupling portion extends from the sliding hole and moves to the target coupling position, the mounting frame 110 may prevent the second limiting structure 133 from entering the sliding hole, that is, the second limiting structure 133 may be blocked outside the sliding hole, so that the mounting frame 110 may prevent the first coupling structure from moving continuously in the extending direction after the first coupling portion extends to the target coupling position, and positioning when the first coupling structure extends to the target coupling position may be achieved.
The first limiting structure 132 and the second limiting structure 133 may be convex ring structures with outer diameters larger than the inner diameter of the sliding hole.
Specifically, the first screw 134 and the first follower are provided in the first coupling structure, the mounting bracket 110 is provided to be capable of restricting circumferential rotation of the first screw 134, the first screw 134 is provided to extend along the first axis, and the first coupling portion is provided on the first screw 134; a screw hole is formed in the first driven piece, and the first screw rod 134 is matched with the screw hole of the first driven piece to form a screw rod nut mechanism; a first driving mechanism may be disposed in the first assembly 100, and the first driving mechanism may be connected to the first driven member, so that the first driven member is driven by the first driving mechanism to rotate around the first screw rod 134, and the first screw rod 134 may move along the first axis because the first screw rod 134 may not rotate along with the first driven member under the limitation of the mounting frame 110, so that the screw rod may drive the first coupling portion to move along the first axis.
As an embodiment, the first driving mechanism may specifically include a first rotary driver 121, a driving pulley 122, a timing belt 123, and a driven pulley 124, where an output shaft of the first rotary driver 121 is coaxially fixed with the driving pulley 122, so that the driving pulley 122 is driven to synchronously rotate with the output shaft thereof by the first rotary driver 121; the driving pulley 122 and the driven pulley 124 are matched with the synchronous belt 123, so that the driving pulley 122 can drive the driven pulley 124 to synchronously rotate with the synchronous belt 123; the driven belt wheel 124 can be fixedly connected with the first driven member or can be arranged into an integrated structure, or the first driven member can be arranged into the driven belt wheel, and at the moment, a threaded hole is formed in the driven belt wheel; the threaded hole on the first driven member and the driven pulley 124 are coaxially arranged, so that the driven pulley 124 can drive the first driven member to synchronously rotate, and further, the first screw rod 134 can be driven.
As another embodiment, the first driving mechanism may specifically include a first rotary driver 121, a driving gear 125 and a driven gear 126, where an output shaft of the first rotary driver 121 is coaxially fixed with the driving gear 125, so that the driving gear 125 is driven to rotate synchronously with the output shaft thereof by the first rotary driver 121; the driving gear 125 is meshed with the driven gear 126, so that the driving gear 125 can drive the driven gear 126 to rotate; the driven gear 126 can be fixedly connected with the first driven member or can be arranged into an integrated structure, or the first driven member can be arranged into the driven gear 126, and at the moment, a threaded hole is formed in the driven gear 126; and the threaded hole on the first driven member and the driven gear 126 are coaxially arranged, so that the driven gear 126 can drive the first driven member to synchronously rotate, and further, the first screw rod 134 can be driven.
The electrical connector provided in this embodiment can be used for both electrical and pneumatic connections.
When used for electrical connection, the first coupling part includes a first positive coupling part and a first negative coupling part, the first lead screw 134 may be provided in a hollow structure, and the positive connection conductor 137 and the negative connection conductor 138, which are insulated from each other, are provided in the hollow cavity of the first lead screw 134. One end of the positive electrode wiring conductor 137 penetrates out of the hollow cavity to be connected with the positive electrode of the electrical system of the first device, and the other end of the positive electrode wiring conductor 137 is connected with the first positive electrode coupling part, so that indirect connection between the first positive electrode coupling part and the positive electrode of the electrical system of the first device is realized by utilizing the positive electrode wiring conductor 137; one end of the negative electrode wiring conductor 138 penetrates out of the hollow cavity to be connected with a negative electrode of an electrical system of the first device, and the other end of the negative electrode wiring conductor 138 is connected with the first negative electrode coupling part, so that indirect connection between the first negative electrode coupling part and the negative electrode of the electrical system of the first device is realized by utilizing the negative electrode wiring conductor 138, and the structure is simple and reliable. Wherein, positive electrode wiring conductor 137 and negative electrode wiring conductor 138 all can set up to the copper bar, still are provided with the insulating material of electric isolation in the cavity of first lead screw 134, ensure that no short circuit takes place each other between the positive negative electrode copper bar of high pressure to can not take place electric short circuit with the shell of first lead screw 134, ensure safe insulation.
The first coupling structure may include a first coupling portion, the second coupling structure may include a first hinge rod and a second hinge rod disposed opposite to each other, the first hinge rod and the second hinge rod may be connected to the second driving mechanism, the first hinge rod and the second hinge rod may be driven to move in a direction approaching or moving away from each other by the second driving mechanism, the first hinge rod and the second hinge rod may approach each other to a state of clasping the first coupling portion, and may also move away from each other to a state of releasing the first coupling portion, and the second coupling portion may be disposed on either one of the first hinge rod and the second hinge rod or both. After the first hinging rod and the second hinging rod tightly hold the first coupling part with a certain pretightening force, the parts of the first hinging rod and the second hinging rod, which are provided with the second coupling part, are contacted with the first coupling part, so that the second coupling part is coupled with the first coupling part; when the first hinge rod and the second hinge rod release the first coupling portion, the first coupling structure can freely slide along the sliding hole on the mounting frame 110, so that the first driving mechanism can smoothly drive the first coupling structure, and the first coupling portion can be retracted into the sliding hole.
Preferably, an arc-shaped section is arranged on each of the first hinging rod and the second hinging rod, the second coupling part is arranged on the concave arc side of the arc-shaped section, and the radius corresponding to the concave arc side of the arc-shaped section is matched with the radius corresponding to the outer wall of the first coupling part; on the basis, the concave arc side of the arc-shaped section of the first hinging rod and the concave arc side of the arc-shaped section of the second hinging rod are oppositely arranged, so that the arc-shaped section of the first hinging rod and the arc-shaped section of the second hinging rod can be utilized to hold the first coupling part tightly, at the moment, the second coupling part arranged on the concave arc side of the arc-shaped section can be in contact with the first coupling part to realize coupling, the contact area of the first hinging rod, the second hinging rod and the first coupling part can be enlarged, further, the contact area of the second coupling part and the first coupling part can be enlarged, the conductive stability can be improved, and the stress balance of the joint of the first coupling structure and the second coupling structure can be improved.
A support 230, a second follower 240 and a third follower 250 may be provided in the specific structure of the second assembly 200, one end of a hinge rod and one end of the second hinge rod are both hinged to the support 230, the other end of the first hinge rod is hinged to the second follower 240, and the other end of the second hinge rod is hinged to the third follower 250; on this basis, the second driving mechanism is connected with the second follower 240 and the third follower 250, so that the second driving mechanism is used for driving the second follower 240 and the third follower 250 to move towards or away from each other, and thus, the second follower 240 and the third follower 250 can respectively drive the first hinge rod and the second hinge rod to swing around one end hinged to the support 230, and when the second follower 240 and the third follower 250 move towards each other, the first hinge rod and the second hinge rod can swing towards each other; when the second follower 240 and the third follower 250 move in a direction away from each other, the first hinge lever and the second hinge lever can swing in a direction away from each other.
The second driving mechanism may specifically include a second rotary driver 211 and a second screw rod 212, where the second screw rod 212 is disposed perpendicular to the first axis, threaded holes with opposite screw threads are disposed on the second driven member 240 and the third driven member 250, respectively, and the threaded holes of the second driven member 240 and the threaded holes of the third driven member 250 are both matched with the second screw rod 212; the output shaft of the second rotary driver 211 is connected to the second screw rod 212 to drive the second screw rod 212 to rotate by the second rotary driver 211, and since the threaded hole on the second follower 240 and the threaded hole on the third follower 250 are rotated in opposite directions, the second follower 240 and the third follower 250 can move in opposite directions under the restriction of the first hinge rod and the second hinge rod when the second screw rod 212 rotates, and the first hinge rod and the second hinge rod can be driven to swing in directions away from each other or toward each other by adjusting the rotation direction of the output shaft of the second rotary driver 211.
Specifically, the first coupling part includes a first positive coupling part 135 and a first negative coupling part 136, the first positive coupling part 135 and the first negative coupling part 136 may be used to connect positive and negative poles of an electrical system of the first device, respectively, and the first positive coupling part 135 and the first negative coupling part 136 may be disposed at intervals along the first axis to be insulated from each other, so that the first positive coupling part 135 and the first negative coupling part 136 may serve as positive and negative poles of the electrical system of the first device. The second coupling part may include a second positive coupling part and a second negative coupling part insulated from each other, the second positive coupling part and the second negative coupling part may be used to connect positive and negative poles of an electrical system of the second device, respectively, the above-described first hinge rod may include a first positive hinge rod 221 and a first negative hinge rod 222, the second hinge rod may include a second positive hinge rod 223 and a second negative hinge rod 224, the second positive coupling part may be disposed on either or both of the first positive hinge rod 221 and the second positive hinge rod 223, and the second negative coupling part may be disposed on either or both of the first negative hinge rod 222 and the second negative hinge rod 224. On this basis, the first positive electrode hinge rod 221 and the second positive electrode hinge rod 223 are disposed opposite to each other, so that the first positive electrode coupling portion 135 can be held tightly after the first positive electrode hinge rod 221 and the second positive electrode hinge rod 223 approach each other; accordingly, the first negative electrode hinge lever 222 and the second negative electrode hinge lever 224 are disposed opposite to each other, so that the first negative electrode coupling portion 136 can be clasped after the first negative electrode hinge lever 222 and the second negative electrode hinge lever 224 are close to each other.
The first and second rotary drivers 121 and 211 may each be a motor.
The present embodiment also provides a connection device, which includes a saddle and the above electrical connector, the mounting frame 110 includes a traction pin, and a pin hole of the traction pin forms a sliding hole; the first equipment is a trailer, and the traction pin is arranged on the trailer; the second device is a tractor to which the saddle is mounted and the second assembly 200 is mounted to which the saddle cooperates with the kingpin.
The connecting device provided by the embodiment has all the advantages of the electric connector because the electric connector is included, the first coupling part and the second coupling part are rotatably coupled outside the pin hole, the corresponding rotatable coupling structure is not limited by the space in the pin hole, and short circuit faults are not easy to occur in the coupling process, so that when the tractor and the trailer relatively rotate, the first coupling part and the second coupling part can adaptively relatively rotate in the state of maintaining coupling, the problem of line torsion is not easy to occur, and good electric connection effect between the tractor and the trailer can be ensured; in addition, the risk that the first coupling part conducts electricity with the external environment in a non-conducting state can be reduced, the first coupling part is not easy to be polluted by dust, small particles and other impurities in the external environment, and the first coupling part is not easy to interfere and collide with other structures to be damaged.
In particular, the second assembly 200 may be mounted in the space below the saddle.
The embodiment also provides a truck, which comprises a tractor, a trailer and the connecting device, wherein the connecting device is used for connecting the tractor and the trailer.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (12)
1. An electrical connector, comprising:
a first assembly (100) for mounting to a first device, comprising a mounting bracket (110) and a first coupling structure, the mounting bracket (110) being provided with a slide hole extending along a first axis; the first coupling structure is provided with a first coupling part used for communicating an electrical system of the first equipment, and can reciprocate along the sliding hole so as to enable the first coupling part to retract into the sliding hole or extend out of the sliding hole;
a second assembly (200) for mounting to a second device, comprising a second coupling structure and a second driving mechanism, the second coupling structure being provided with a second coupling part for communicating with an electrical system of the second device, the second coupling structure being capable of driving the second coupling part to be rotatably coupled or uncoupled with the first coupling part protruding from the slide hole; the second coupling structure comprises a first hinging rod and a second hinging rod which are oppositely arranged, and the second driving mechanism is connected with the first hinging rod and the second hinging rod and is used for driving the first hinging rod and the second hinging rod to mutually approach to hug the first coupling part or mutually separate from each other to loosen the first coupling part; the second coupling part is arranged on the first hinging rod and/or the second hinging rod, and can be coupled with the first coupling part after the first hinging rod and the second hinging rod hug the first coupling part tightly.
2. The electrical connector of claim 1, wherein the slide hole has a first end and a second end at each end, the first coupling portion being extendable from the first end of the slide hole;
a first sealing structure (131) is arranged on one side of the first coupling structure, which is positioned in the extending direction of the first coupling part, and the first sealing structure (131) can seal the first end of the sliding hole after the first coupling part is retracted into the sliding hole; and/or a second sealing structure is arranged on one side of the first coupling structure, which is positioned in the retraction direction of the first coupling part, and the second sealing structure can seal the first end of the sliding hole after the first coupling part extends out of the sliding hole; and/or the second end of the slide hole can be hidden in the first device.
3. The electrical connector according to claim 1, wherein a side of the first coupling structure in the extending direction of the first coupling portion is provided with a first limiting structure (132), and the mounting bracket (110) can prevent the first limiting structure (132) from entering the slide hole;
and/or, a second limiting structure (133) is arranged on one side of the first coupling structure, which is positioned in the retracting direction of the first coupling part, and the mounting frame (110) can prevent the second limiting structure (133) from entering the sliding hole.
4. An electrical connector according to any one of claims 1-3, wherein the first coupling structure has a first screw (134) and a first follower, the mounting bracket (110) being capable of limiting circumferential rotation of the first screw (134), the first screw (134) being arranged to extend along the first axis, and the first coupling portion being arranged to the first screw (134), the first follower having a threaded bore, the first screw (134) being in engagement with the threaded bore of the first follower; the first assembly (100) further comprises a first driving mechanism connected with the first driven member and used for driving the first driven member to rotate around the first screw rod (134).
5. The electrical connector of claim 4, wherein the first drive mechanism comprises a first rotary drive (121), a drive pulley (122), a timing belt (123) and a driven pulley (124), an output shaft of the first rotary drive (121) being coaxially fixed with the drive pulley (122), both the drive pulley (122) and the driven pulley (124) being mated with the timing belt (123); the driven belt wheel (124) is fixedly connected with the first driven member or integrally formed, or the first driven member is the driven belt wheel (124); the threaded hole on the first driven piece is coaxially arranged with the driven belt wheel (124);
or, the first driving mechanism comprises a first rotary driver (121), a driving gear (125) and a driven gear (126), wherein an output shaft of the first rotary driver (121) is coaxially fixed with the driving gear (125), and the driving gear (125) is meshed with the driven gear (126); the driven gear (126) is fixedly connected with the first driven piece or integrally formed, or the first driven piece is the driven gear (126); the threaded bore in the first follower is coaxially disposed with the driven gear (126).
6. The electrical connector of any of claims 1-3, wherein the first coupling structure has a post that includes the first coupling portion.
7. The electrical connector of claim 6, wherein the first hinge rod and the second hinge rod each have an arc-shaped section, the second coupling portion is disposed on a concave arc side of the arc-shaped section, a radius corresponding to the concave arc side of the arc-shaped section matches a radius corresponding to an outer wall of the first coupling portion, and the concave arc side of the arc-shaped section of the first hinge rod is disposed opposite to the concave arc side of the arc-shaped section of the second hinge rod for clasping the first coupling portion.
8. The electrical connector of claim 6, wherein the second assembly (200) further comprises a support (230), a second follower (240) and a third follower (250), one end of the first hinge rod and one end of the second hinge rod both being hinged to the support (230), the other end of the first hinge rod being hinged to the second follower (240), the other end of the second hinge rod being hinged to the third follower (250);
the second driving mechanism is connected with the second driven piece (240) and the third driven piece (250) and is used for driving the second driven piece (240) and the third driven piece (250) to move towards a direction approaching to or away from each other.
9. The electrical connector of claim 8, wherein the second drive mechanism comprises a second rotary drive (211) and a second screw (212), the second screw (212) being perpendicular to the first axis, the second follower (240) and the third follower (250) each having a threaded bore, the threaded bores of the second follower (240) and the third follower (250) each mating with the second screw (212), an output shaft of the second rotary drive (211) being connected with the second screw (212) for driving the second screw (212) in rotation, the second screw (212) being rotatable to drive the second follower (240) and the third follower (250) in opposite directions.
10. The electrical connector of claim 6, wherein the first coupling portion comprises a first positive coupling portion (135) and a first negative coupling portion (136), the first positive coupling portion (135) and the first negative coupling portion (136) being respectively for connecting a positive pole and a negative pole of an electrical system of the first device, the first positive coupling portion (135) and the first negative coupling portion (136) being spaced apart along the first axis and being insulated from each other;
the second coupling part comprises a second positive electrode coupling part and a second negative electrode coupling part which are mutually insulated, and the second positive electrode coupling part and the second negative electrode coupling part are respectively used for connecting a positive electrode and a negative electrode of an electrical system of the second equipment; the first hinge rod comprises a first positive electrode hinge rod (221) and a first negative electrode hinge rod (222), the second hinge rod comprises a second positive electrode hinge rod (223) and a second negative electrode hinge rod (224), the second positive electrode coupling part is arranged on the first positive electrode hinge rod (221) and/or the second positive electrode hinge rod (223), and the second negative electrode coupling part is arranged on the first negative electrode hinge rod (222) and/or the second negative electrode hinge rod (224);
the first positive electrode hinging rod (221) and the second positive electrode hinging rod (223) are arranged opposite to each other, and can tightly hold the first positive electrode coupling part (135); the first negative electrode hinge rod (222) is arranged opposite to the second negative electrode hinge rod (224) and can clamp the first negative electrode coupling part (136).
11. A connection device for connecting a tractor and a trailer, comprising a saddle and an electrical connector according to any one of claims 1-10, the mounting bracket (110) comprising a towing pin, the pin hole of which forms the slide aperture; the first equipment is a trailer, and the traction pin is mounted on the trailer; the second device is a tractor, the saddle is mounted to the tractor, the second component (200) is mounted to the saddle, and the saddle is matched with the traction pin.
12. A truck comprising a tractor, a trailer and the coupling device of claim 11 for coupling the tractor and the trailer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978703.0A CN116706632B (en) | 2023-08-04 | 2023-08-04 | Electrical connector, connecting device and truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310978703.0A CN116706632B (en) | 2023-08-04 | 2023-08-04 | Electrical connector, connecting device and truck |
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| CN116706632A CN116706632A (en) | 2023-09-05 |
| CN116706632B true CN116706632B (en) | 2023-11-17 |
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| CN202310978703.0A Active CN116706632B (en) | 2023-08-04 | 2023-08-04 | Electrical connector, connecting device and truck |
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| CN116706632A (en) | 2023-09-05 |
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