CN108879230B - Electric coupler - Google Patents
Electric coupler Download PDFInfo
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- CN108879230B CN108879230B CN201810917415.3A CN201810917415A CN108879230B CN 108879230 B CN108879230 B CN 108879230B CN 201810917415 A CN201810917415 A CN 201810917415A CN 108879230 B CN108879230 B CN 108879230B
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- terminal portion
- terminal
- brush swing
- terminal part
- electric
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- 238000010168 coupling process Methods 0.000 abstract description 22
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
Landscapes
- Motor Or Generator Frames (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The present invention provides an electric coupler including a first terminal portion and a second terminal portion, wherein the first terminal portion includes: a first terminal portion holder; two groups of electric brush swing arms, one ends of the two groups of electric brush swing arms are respectively and rotatably connected to two ends of the first terminal part bracket, and the other ends of the electric brush swing arms are respectively provided with at least one electric brush; a first connection terminal; the second terminal portion includes: a second terminal part bracket, the middle part of one side surface of which protrudes outwards to form two inclined planes which incline from the middle part to two ends; the two conducting plates are respectively laid on the two inclined planes; a second connection terminal; when the two terminal parts are coupled, the brushes of the two groups of brush swing arms are respectively contacted with the two conducting plates and can slide towards two ends along the two conducting plates. The electric coupler provided by the invention adopts the cooperation of the electric brush, the electric brush swing arm and the wire guide plate, provides a deviation correction mechanism during coupling alignment, and reduces the requirement on the operation accuracy of the driving equipment of the coupler.
Description
Technical Field
The invention relates to the technical field of electric connection, in particular to an electric coupler.
Background
The electric coupler generally comprises two terminal parts, wherein wiring terminals are respectively arranged on one side of the two terminal parts, when the two terminal parts are coupled, the wiring terminals of the two terminal parts are in contact with each other, one terminal part can be electrically connected with a power supply, and electric energy can be communicated from one terminal part to the other terminal part and then to equipment to be powered, which is connected with the other terminal part, so that power supply to the equipment is realized.
In the existing electric coupler, the connection terminals of the two terminal parts are often in a plug-in type, and when the two connection terminals are coupled, the two connection terminals are required to be aligned completely, and a plug of one terminal part is inserted into a socket of the other terminal part. However, in this way, the accuracy requirement for alignment of the two is high during coupling, and the plug must be inserted to a specified depth to achieve contact of the connecting terminals on both sides, so that the operation difficulty is increased, and the use is very inconvenient.
Further, for large-scale electric couplers, the coupling of two terminal parts is generally achieved by automatically driving one terminal part to align with the other terminal part by a driving device, so that the driving precision of the driving device is high, and if the driving precision is not aligned, the electric coupler may be damaged in the process of connecting a plug and a socket.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an electric coupler, which adopts the matching of an electric brush, an electric brush swing arm and a wire guide plate to provide a deviation correction mechanism during coupling alignment, thereby reducing the requirement on the operation accuracy of driving equipment of the coupler.
An embodiment of the present invention provides an electrical coupler including a first terminal portion and a second terminal portion, wherein the first terminal portion includes:
a first terminal portion holder;
one end of each electric brush swing arm is respectively rotatably connected to two ends of the first terminal part bracket, and at least one electric brush is respectively arranged at the other end of each electric brush swing arm;
a first connection terminal electrically connected with the brush;
the second terminal portion includes:
a second terminal part bracket, the middle part of one side surface of which protrudes outwards to form two inclined planes which incline from the middle part to two ends, and the two inclined planes are arranged along a first direction;
two conductive plates respectively laid on two inclined planes of the second terminal part bracket;
the second wiring terminal is electrically connected with the conductive plate;
when the first terminal part and the second terminal part are close to each other along the second direction, the brushes of the two groups of brush swing arms are respectively contacted with the two conductive plates, and the two groups of brush swing arms can slide along the two conductive plates towards the two ends of the second terminal part bracket.
Optionally, the first terminal portion further includes two brush swing arm springs, and the two brush swing arm springs are respectively disposed between the two brush swing arms and the first terminal portion bracket.
Optionally, the first terminal part further comprises two cleaning brush swing arms, one ends of the two cleaning brush swing arms are respectively rotatably connected to the first terminal part bracket, and the other ends of the two cleaning brush swing arms are respectively provided with a cleaning brush; when the first terminal part and the second terminal part are close to each other along the second direction, the cleaning brushes of the two cleaning brush swinging arms are respectively contacted with the two conductive plates and can slide towards the two ends of the second terminal part bracket along the two conductive plates.
Optionally, the first terminal portion further includes two cleaning brush swing arm springs, and the two cleaning brush swing arm springs are respectively disposed between the two cleaning brush swing arms and the first terminal portion bracket.
Optionally, each cleaning brush swing arm corresponds a set of respectively the brush swing arm, the side of cleaning brush swing arm is provided with the brush swing arm and holds the mouth, the brush swing arm can follow the brush swing arm that corresponds and hold mouthful and pass.
Optionally, the middle part of the first terminal part bracket protrudes outwards to form a protruding part, two ends of the protruding part are also provided with limiting blocks, the two groups of electric brush swing arms are respectively arranged at two sides of the limiting blocks, and the limiting blocks correspond to the positions of the electric brush swing arms; when the electric brush swing arm is in an initial state, the inner side surface of the electric brush swing arm is in contact with the limiting block.
Optionally, each group of brush swing arms respectively comprises a plurality of brush swing arms which are arranged in parallel, and the first wiring terminals are in one-to-one correspondence with the brushes and are arranged on the back surfaces of the corresponding brushes;
each conducting plate comprises a plurality of conducting strips extending along the extending direction of the inclined plane, and the conducting strips are in one-to-one correspondence with the electric brushes;
when the first terminal portion and the second terminal portion are coupled, each brush is in contact with a corresponding conductive strip.
Optionally, the second terminal part further includes two second terminal part supporting components and two movable cover plates, and the two second terminal part supporting components are respectively disposed on one side of the two inclined planes of the second terminal part bracket, which is away from the conductive plate;
each second terminal portion supporting component includes two spring baffle plates and is located the spring baffle plate between two spring baffle plates, two movable cover plates respectively with the lateral surface of two spring baffle plates supports and leans on, be provided with a plurality of first compression springs between two spring baffle plates and the spring baffle plate respectively, two movable cover plates with second terminal portion support fixed connection, two spring baffle plates with the spring baffle plate is arranged along the third direction, two spring baffle plates can follow the third direction for the spring baffle plate removes.
Optionally, the first direction, the second direction and the third direction are perpendicular to each other.
Optionally, the second terminal part further includes a second terminal part base, the second terminal part base includes a movable cover and a fixed seat, and the movable cover is movable along the second direction relative to the fixed seat;
a spring guide plate is further arranged between the movable cover and the fixed seat, the spring guide plate is fixed on the fixed seat, a plurality of second compression springs are further arranged in the spring guide plate in a penetrating mode, and the second compression springs extend along the second direction.
Optionally, a sliding groove extending along the second direction is formed in the side face of the movable cover, a sliding block corresponding to the sliding groove is arranged on the side face of the fixed seat, and the sliding block is embedded in the sliding groove and can slide along the extending direction of the sliding groove.
Optionally, a first guide block is further arranged in the middle of the first terminal part bracket, a groove is formed in one side, away from the first terminal part bracket, of the first guide block, and a second guide block is arranged in the middle of one side surface of the second terminal part bracket;
when the first terminal part is coupled with the second terminal part, the second guide block is embedded in the groove of the first guide block.
Optionally, a proximity switch is further arranged in the middle of the first terminal part bracket, and a proximity switch baffle is further arranged in the middle of one side surface of the second terminal part bracket;
when the first terminal portion is aligned with the second terminal portion along a second direction, the proximity switch probe is aligned with the proximity switch shutter along the second direction.
According to the electric coupler provided by the invention, the electric brush swing arm and the wire guide plate are matched, so that a deviation correction mechanism in the coupling alignment is provided, the contact of the electric brush and the conductive plate can lead the first terminal part and the second terminal part to be conducted, the electric brush can slide towards two ends along the conductive plate, a certain coupling range is provided, the correction mechanism in multiple directions can be provided, the requirement on the operation accuracy of driving equipment of the electric coupler is reduced, the connection stability in the coupling process of the electric coupler is ensured, the damage of electric coupler parts caused by misplacement of the electric coupler is avoided, the service life of the electric coupler is prolonged, and the application range is increased.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.
FIG. 1 is a schematic diagram of an electrical coupler according to an embodiment of the present invention;
FIG. 2 is an exploded view of an electrical coupler according to one embodiment of the present invention;
fig. 3 is a schematic view of the structure of a first terminal portion according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a second terminal portion according to an embodiment of the present invention;
fig. 5 is a front view of a second terminal portion of an embodiment of the present invention;
fig. 6 to 8 are schematic views of a coupling process of the first terminal portion and the second terminal portion according to an embodiment of the present invention;
fig. 9 and 10 are schematic diagrams of offset compensation when the first terminal portion and the second terminal portion are coupled according to an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of a limit stop according to an embodiment of the invention;
FIG. 12 is a schematic view of a brush assembly according to an embodiment of the present disclosure;
FIG. 13 is a schematic view of a cleaning brush assembly according to an embodiment of the present invention;
FIG. 14 is a side view of an electrical coupler according to an embodiment of the present invention;
FIG. 15 is a sectional view in the S-S direction of FIG. 14;
fig. 16 is an exploded view of a second terminal portion of an embodiment of the present invention;
fig. 17 is a schematic structural view of a second terminal portion supporting member according to an embodiment of the present invention;
fig. 18 is a side view of a second terminal portion support assembly according to an embodiment of the present invention;
FIGS. 19-21 are schematic illustrations of a horizontal deviation correcting mechanism according to an embodiment of the present invention;
fig. 22 is a schematic structural view of a second terminal portion base according to an embodiment of the present invention;
fig. 23 is a side view of a second terminal portion mount of an embodiment of the present invention;
fig. 24 is a schematic view showing a change in the height of the second terminal portion base according to an embodiment of the present invention;
fig. 25 is an exploded view of a second terminal portion mount according to an embodiment of the present invention;
FIG. 26 is an exploded view of a vertical deviation rectifying mechanism according to one embodiment of the present invention;
FIG. 27 is a schematic view showing the structure of a guide mechanism according to an embodiment of the present invention;
FIG. 28 is a schematic view of a second guide block setup position according to an embodiment of the present invention;
FIG. 29 is a schematic view of an electrical coupler according to an embodiment of the present invention applied to up-down mating;
fig. 30 is a schematic diagram of an electrical coupler according to an embodiment of the present invention applied to left-right direction mating.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
As shown in fig. 1 to 5, an embodiment of the present invention provides an electric coupler, which includes a first terminal portion a and a second terminal portion B, wherein a first terminal portion housing 7 is provided outside the first terminal portion a, and a second terminal portion housing 8 is provided outside the second terminal portion housing B, and the first terminal portion a includes a first terminal portion bracket 3, two sets of brush swing arms 11, and a first connection terminal 13. One ends of the two groups of brush swing arms 11 are respectively rotatably connected to two ends of the first terminal part bracket 3, and at least one brush 12 is respectively arranged at the other end of each brush swing arm 11; the first wiring terminal 13 is electrically connected with the electric brush 12, and each group of electric brush swing arm 11, electric brush 12 and first wiring terminal 13 form an electric brush assembly 1; the second terminal part B further includes two conductive plates 42, and a middle portion of one side surface of the second terminal part holder 43 protrudes outward to form two inclined surfaces inclined from the middle portion to both ends, the two inclined surfaces being arranged in the first direction; the two conductive plates 42 are respectively laid on the two inclined surfaces of the second terminal part bracket 43; the second connection terminal 41 is electrically connected to the conductive plate 42.
When the first terminal portion a and the second terminal portion B approach each other in the second direction, the cleaning brush 22 of the cleaning brush swing arm 21 first contacts the conductive plate 42 and can slide along the conductive plate 42 toward both ends, and when the first terminal portion a and the second terminal portion B continue to approach each other, the brushes 12 of the two sets of brush swing arms 11 respectively contact the two conductive plates 42, and the two sets of brush swing arms 11 can slide along the two conductive plates 42 toward both ends of the second terminal portion holder 43. In this embodiment, the length of the cleaning brush swing arm 21 is preferably longer than the length of the brush swing arm 11, so that when the brush swing arm 11 is in contact with the conductive plate 42, the cleaning brush swing arm 21 is first in contact with the conductive plate 42.
In this embodiment, the first direction is the x-direction in the figure and the second direction is the z-direction in the figure. It should be noted that, here, the first terminal portion a and the second terminal portion B are close to each other along the second direction, and the first terminal portion a and the second terminal portion B are not required to be completely aligned, and may have a certain alignment deviation, and the correction of this alignment deviation will be specifically described below.
By adopting the structure of the electric coupler in this embodiment, the first terminal portion a and the second terminal portion B are not required to be perfectly aligned, as long as the two sets of brush swing arms 11 are respectively in contact with the two conductive plates 42. And the two groups of brush swing arms 11 can slide along the two conductive plates 42 towards the two ends of the second terminal part bracket 43, so that the coupling fit of the first terminal part A and the second terminal part B has a certain height range, and the electric energy communication is not necessarily realized when the distance reaches a fixed value. Therefore, the requirement on the control accuracy of the coupling driving device of the electric coupler is reduced, and the situation that the first terminal part A and the second terminal part B cannot realize coupling and cause coupler deformation when certain deviation exists in alignment is avoided.
Further, the first terminal part a further includes two cleaning brush swing arms 21, one ends of the two cleaning brush swing arms 21 are respectively rotatably connected to the first terminal part bracket 3, and the other ends of the two cleaning brush swing arms 21 are respectively provided with cleaning brushes 22; when the first terminal portion a and the second terminal portion B are close to each other, the cleaning brushes 22 of the two cleaning brush swing arms 21 are respectively in contact with the two conductive plates 42, and are slidable along the two conductive plates 42 toward both ends of the second terminal portion holder 43. Therefore, the cleaning brush swing arm 21 can clean the surface of the conductive plate 42. The length of the cleaning brush swing arm 21 is preferably longer than the length of the brush swing arm 11. When the two terminal portions are brought close to each other, the cleaning brush swing arm 21 first contacts the conductive plate 42, cleaning the conductive plate 42. Each of the cleaning brush swing arms 21 and the cleaning brush 22 constitutes a cleaning brush combination 2.
Further, the other end of the cleaning brush swing arm 21 is also provided with a scraping plate 24, which can hang and remove stubborn larger dirt, and the brush at the rear end of the cleaning brush can scrape dust.
The electric coupler having both the cleaning brush assembly 2 and the brush assembly 1 will be described as an example. It will be appreciated that the cleaning brush assembly 2 only accomplishes the cleaning action of the conductive plate 42 and is not a requirement for the electrical coupler to be electrically conductive. Therefore, the cleaning brush assembly 2 is not an essential structure of the present invention, and other structures without the cleaning brush assembly 2 are also within the scope of the present invention.
The specific coupling process of the electric coupler using this embodiment can be taken into consideration as shown in fig. 6 to 8. In FIG. 6, the broken line box shows the initial position of the second terminal portion B when not in contact with the first terminal portion A, the second terminal portion B being moved upward in the z-axis direction by h 1 At the height, i.e., moving from the broken line frame position to the solid line frame position, the cleaning brush 22 is first brought into contact with the conductive plate 42, while the brush 12 is not yet brought into contact with the conductive plate 42, so the two terminal portions have not yet been coupled to each other.
In fig. 7, a broken line frame indicates the position of the second terminal portion B in fig. 6. The second terminal portion B moves further upward by h 2 Height, i.e. from the dotted lineWhen the frame is moved to the solid frame position, the cleaning brush 22 slides along the conductive plate 42 toward both ends, and the brush 12 is further adjacent to the conductive plate 42.
In fig. 8, a broken line frame indicates the position of the second terminal portion B in fig. 7. The second terminal portion B moves further upward by h 3 At a height, i.e., from the dotted line frame to the solid line frame position, the cleaning brush 22 is further moved toward both ends along the conductive plate 42, and the brush 12 is brought into contact with the conductive plate 42, thereby achieving electrical conduction between the first terminal portion a and the second terminal portion B.
As can be seen from fig. 8, although the brushes 12 come into contact with the conductive plate 42, the upper surface protruding portions of the first terminal portion holder 3 and the second terminal portion B are also at a distance. Therefore, on the basis of fig. 8, the second terminal portion B can be moved further upward, at this time, the brush 12 will also move toward both ends along the conductive plate 42, and the brush 12 will always remain in contact with the conductive plate 42, and the two terminal portions will still remain in the coupled state until the first terminal portion holder 3 is in contact with the upper surface protruding portion of the second terminal portion B, and the second terminal portion B cannot be moved further upward.
Therefore, with the structure of this embodiment, the coupling of the first terminal portion a and the second terminal portion B has a certain distance range, and the control accuracy of the driving device that drives the second terminal portion B to move toward the first terminal portion a or the first terminal portion a to move toward the second terminal portion B does not need to be particularly high, and has a certain redundancy range.
Further, the first terminal portion a further includes two brush swing arm springs 14, and the two brush swing arm springs 14 are respectively disposed between the two brush swing arms 11 and the first terminal portion bracket 3. The brush swing arm spring 14 can realize the reset of the brush swing arm 11. When the first terminal portion a and the second terminal portion B come closer together after the brush 12 and the conductive plate 42 come into contact, the brush swing arm spring 14 is deformed (tensile deformation in this embodiment); when the first terminal portion a and the second terminal portion B return from the coupled state to the untouched state, the brush swing arm 11 can be urged to return by the deformation restoring force of the brush swing arm spring 14.
In other embodiments, other ways of brush swing arm springs may be used, for example, one brush swing arm spring is disposed between two of the brush swing arms 11. After the brushes 12 and the conductive plates 42 are brought into contact, when the first terminal portion a and the second terminal portion B come closer together, the brush swing arm springs are subjected to tensile deformation, and when the first terminal portion a and the second terminal portion B return from the coupled state to the untouched state, the deformation restoring force of the brush swing arm springs can pull back the two brush swing arms 11.
Further, a cleaning brush swing arm spring may be further disposed between the two cleaning brush swing arms 21, specifically, one cleaning brush swing arm spring may be disposed, and two ends of the cleaning brush swing arm spring are connected to the inner walls of the two cleaning brush swing arms 21, or two cleaning brush swing arm springs are disposed between the two cleaning brush swing arms 21 and the first terminal portion bracket 3, respectively. After the cleaning brush 22 is brought into contact with the conductive plate 42, when the first terminal portion a and the second terminal portion B come closer together, the cleaning brush swing arm spring generates tensile deformation, and when the first terminal portion a and the second terminal portion B return from the coupled state to the non-contact state, the deformation restoring force of the cleaning brush swing arm spring can pull back the two cleaning brushes 22. As can be seen from fig. 6 to 8, when the electric coupler is converted from the uncoupled coupled state, the cleaning brush swing arm 21 and the brush swing arm 11 have relative movement, so that mutual avoidance of the two is realized, mutual interference is avoided, a brush swing arm accommodating opening 211 is further formed in the side surface of the cleaning brush swing arm 21, and the brush swing arm 21 can pass through the brush swing arm accommodating opening 211.
By adopting the electric coupler of the embodiment, not only the alignment redundancy in the z-axis direction can be realized, but also the correction effect on the alignment deviation in the x-axis can be realized. See in particular fig. 9 and 10.
As shown in fig. 9, when the first terminal portion a and the second terminal portion B are close to each other in the second direction, if the first terminal portion a and the second terminal portion B are not perfectly aligned, for example, the first terminal portion a is shifted rightward by a distance e with respect to the second terminal portion B 1 . When the second terminal portion B approaches the first terminal portion a, the cleaning brush 22 may still contact the corresponding conductive plate 42 and move toward both ends along the conductive plate 42.
As shown in fig. 10, in the state of fig. 9, when the second terminal portion B is moved further upward, the brushes 12 can be brought into contact with the corresponding conductive plates 42 and can be moved toward both ends along the conductive plates 42, although the first terminal portion a has an offset in the x-axis direction. Therefore, the first terminal part A and the second terminal part B have certain alignment redundancy in the x-axis direction, and the electric coupler can still work normally when the deviation value is not too large.
As shown in fig. 11, in this embodiment, the middle portion of the first terminal portion bracket 3 further protrudes downward to form a protruding portion, two ends of the protruding portion are further provided with stopper blocks 35, and the two stopper blocks 35 are arranged along the x direction, and the stopper blocks 35 correspond to the position of the brush swing arm 11, so as to define the position of the brush swing arm 11. When the brush swing arm 11 is in an initial state, the inner side surface of the brush swing arm 11 is in contact with the limiting block 35. The initial state here means a state in which the brush 12 automatically hangs down when the brush 12 is not in contact with the second terminal portion B. The stopper 35 may define an initial angle of the brush swing arm 11. In the initial state, the two brush swing arms 11 are inclined outward by a certain angle, so that the brushes 12 can be guided to slide outward well when the brushes 12 are released from the conductive plates 42 initially. In this embodiment, the stopper 35 is a flat plate with stepped left and right ends, and has a smaller opening angle than that of the two brush swing arms 11, so as to ensure that the cleaning brush 22 contacts the lower surface of the lower terminal bracket 43 before the brush 12 contacts the lower terminal inclined surface.
The specific structure of the brush swing arm 11 can be seen in fig. 12, and the specific structure of the cleaning brush swing arm 21 can be seen in fig. 13. In this embodiment, each set of brush swing arms 11 includes a plurality of brush swing arms 11 disposed in parallel, the plurality of brush swing arms 11 are arranged along the y-axis direction in the figure, and the first connection terminals 13 are in one-to-one correspondence with the brushes 12 and are disposed on the back surfaces of the corresponding brushes 12. The first connection terminal 13 may protrude from the brush swing arm receiving port 211 when the brush swing arm 11 approaches the cleaning brush swing arm 21.
Each of the conductive plates 42 includes a plurality of conductive strips extending in the extending direction of the inclined surface, corresponding to the brush swing arms 11, the conductive strips being in one-to-one correspondence with the brushes 12. The conductive bars may be made of conductive red copper material, but the present invention is not limited thereto. When the first terminal portion a and the second terminal portion B are coupled, each of the brushes 12 is in contact with a corresponding conductive strip.
Further, after the first terminal portion a and the second terminal portion B are coupled, if the electric coupler is moved as a whole, a horizontal shaking motion may occur due to acceleration. Therefore, the invention further increases the horizontal inertia deviation rectifying mechanism to rectify the shaking in the y-axis direction.
The structure of the horizontal inertia correction mechanism can be seen in fig. 14-18. The second terminal B further includes two second terminal support assemblies 5 respectively disposed on two sides of the second terminal support 43 facing away from the conductive plate 42. Two horizontal movable cover plates 52 are provided on the outer side of the second terminal portion supporting member 5. Each second terminal portion supporting assembly 5 includes two spring baffles 54 and a spring separator 55 located between the two spring baffles 54, a plurality of first compression springs 53 are respectively disposed between the two spring baffles 54 and the spring separator 55, the horizontal movable cover plate 52 is fixedly connected with the second terminal portion support 43, and the horizontal movable cover plate 52 is respectively abutted against the outer side surfaces of the spring baffles 54. That is, the second terminal portion holder 42 is movable integrally with the horizontal deck plate 52 and the spring damper 54. The spring spacer 55 is fixedly provided on the support base plate 51, the spring spacer 55 is not displaced with respect to the support base plate 51, and the spring spacer 54, the horizontal movable cover plate 52 and the second terminal portion holder 42 are translatable in the y-axis direction with respect to the spring spacer 55.
Further, in order to fix the first compression spring 53, a plurality of guide shafts 56 extending in the y-axis direction are further provided between the two spring shutters 54, and the guide shafts 56 are movably penetrated in the spring shutters 55, that is, the spring fixing shafts are movable along the y-axis along with the movement of the horizontal movable cover plate 52. Two first compression springs 53 are respectively sleeved on each guide shaft 56, and the two first compression springs 53 are respectively positioned between the two spring baffles 54 and the spring partition plate 55. Both ends of the guide shaft 56 are fixed to the spring shutters 54 at both ends, respectively, and when the spring shutters 54 at both ends are moved relative to the spring partition 55, the guide shaft 56 is also moved in the y-axis direction in the corresponding hole of the spring partition 55.
The second terminal part holder 43 includes two conductive plate support plates 431 and a support post 432 located between the two conductive plate support plates 431 and extending downward, and the conductive plate support plates 431 and the support post 432 are arranged along the x-axis direction. The two second terminal portion supporting members 5 are respectively located between the two conductive plate supporting plates 431 and the supporting columns 432.
In this embodiment, each of the spring baffle plate 54 and the spring spacer plate 55 is a triangular plate, and inclined surfaces of the triangular plates are respectively attached to the lower surfaces of the corresponding conductive plate support plates 431, so that a better fit of the second terminal portion holder 43 and the second terminal portion support assembly 5 can be achieved. But the present invention is not limited thereto.
The principle of the horizontal inertia correction mechanism is shown in fig. 19 to 21. As shown in fig. 19, in the initial state, the first compression springs 53 are all kept in the initial state, and the spring spacer 55 is located between the two spring stops 54. When the horizontal flap 52 is moved to one side by an external force, for example, to the right in fig. 20, the first compression spring 53 is compressed, and after the external force is released, the horizontal flap 52 returns to the initial position in fig. 19. Likewise, the horizontal movable cover plate 52 can return to the initial position in fig. 19 after the external force is released by translating to the left as shown in fig. 21 and compressing the other side first compression spring 53.
In practical applications, after the first terminal portion a and the second terminal portion B are coupled, if the lower bracket D moves rightward relative to the upper bracket C, or the upper bracket C moves leftward relative to the lower bracket D, the upper bracket C will give a leftward external force to the lower bracket D, and the horizontal movable cover 52 will drive the second terminal portion bracket 43 to move leftward relative to the lower bracket D, so as to counteract the rightward movement trend of the lower bracket D, and maintain the coupled state of the first terminal portion a and the second terminal portion B. Similarly, if the lower bracket D moves leftwards relative to the upper bracket C or the upper bracket C moves rightwards relative to the lower bracket D, the upper bracket C gives a rightwards external force to the lower bracket D, and the horizontal movable cover plate 52 drives the second terminal portion bracket 43 to move rightwards relative to the lower bracket D so as to counteract the leftwards movement tendency of the lower bracket D, and the coupled state of the first terminal portion a and the second terminal portion B is maintained.
Further, in consideration of the fact that the first terminal portion a and the second terminal portion B may have an up-and-down displacement in the z-axis direction after the coupling of the electric coupler, in order to ensure that the up-and-down terminal portions are electrically contacted well, an up-and-down deviation correcting mechanism is added.
The structure of the up-down deviation rectifying mechanism can be seen in fig. 22 to 26. In this embodiment, the second terminal portion B further includes a second terminal portion base 6, and the second terminal portion base 6 includes a movable cover 61 and a fixed base 62, and the movable cover 61 is movable in the z-axis direction with respect to the fixed base 62.
A spring guide plate 65 is further disposed between the movable cover 61 and the fixed seat 62, the spring guide plate 65 is fixed on the fixed seat 62, a plurality of second compression springs 68 are further disposed in the spring guide plate 65 in a penetrating manner, the second compression springs 68 extend along the second direction, and the spring guide plate 65 limits the positions of the second compression springs 68 to prevent the second compression springs 68 from shaking left and right. If the second terminal portion B is further moved closer to the first terminal portion a, the first terminal portion holder 3 applies a downward force to the second terminal portion B, thereby compressing the second compression spring 68. And the movable cover 61 can be moved downward with respect to the fixed base 62. When the external force of the first terminal portion holder 3 to the second terminal portion B is removed, the movable cover 61 can be lifted up by the deformation restoring force of the second compression spring 68, and restored to its original position.
In this embodiment, the inner side of the movable cover 61 is further provided with a spring upper bottom plate 66, and the inner side of the fixed seat 62 is further provided with a spring lower bottom plate 67. The side surface of the movable cover 61 is further provided with a sliding groove 64 extending along the second direction, the outer side surface of the fixed seat 62 is provided with a sliding block 63 corresponding to the sliding groove 64, and the sliding block 63 is embedded in the sliding groove 64 and can slide along the extending direction of the sliding groove 64. The sliding groove 64 is preferably arranged on two side surfaces of the movable cover 61 respectively, and two side surfaces of the fixed seat 62 are correspondingly provided with a sliding block 63 respectively, which is matched with the sliding groove 64 to realize the guiding of the up-down displacement.
In this embodiment, the slider 63 is actually a blind rivet nut fixed to the side of the fixing base 62, and is connected to the fixing base 62 through a threaded hole in the side of the fixing base 62. The fixing base 62 is provided with a hole through which the rivet nut passes, and the rivet nut is positioned in the notch of the spring guide plate 65 after passing through the fixing base 62. But the present invention is not limited thereto.
In addition, other manners, such as providing a sliding block on the inner side of the movable cover 61, and providing a sliding slot on the side of the fixed seat 62, the sliding block and the sliding slot may be mutually matched, which falls within the protection scope of the present invention.
In this embodiment, in order to further realize the guiding when the first terminal portion a and the second terminal portion B are mated, it is ensured that excessive relative displacement does not occur after the two are aligned, the stability of the electric coupling of the electric coupler is ensured, and a guiding mechanism is further provided.
The structure of the guide mechanism can be seen in fig. 27 and 28. The middle part of the first terminal part bracket 3 is also provided with a first guide block 31, one side of the first guide block 31, which faces away from the first terminal part bracket 3, is provided with a groove, and the middle part of one side surface of the second terminal part bracket 43 is provided with a second guide block 33; when the first terminal portion a is coupled to the second terminal portion B, the second guide block 33 is embedded in the groove of the first guide block 31, so as to align the first terminal portion a with the second terminal portion B. The guiding mechanism adopts a V-shaped guiding principle, and in order to ensure smooth guiding, the first guiding block 1 and the second guiding block 2 can be made of Teflon materials. Therefore, the second guide block 33 is limited in a certain range by the groove, and cannot move, so that the two are ensured not to generate excessive relative displacement after being aligned, and the stability of electric coupling of the electric coupler is ensured.
Further, a proximity switch 32 is further disposed in the middle of the first terminal support 3, the proximity switch 32 is fixed on the first terminal support 3 through a proximity switch mounting plate 321, and a proximity switch baffle 34 is further disposed in the middle of one side surface of the second terminal support 43; when the first terminal portion a is aligned with the second terminal portion B in the second direction, the probe head of the proximity switch 32 is aligned with the proximity switch shutter 34 in the second direction. When the probe of the proximity switch 32 contacts the proximity switch shutter 34, indicating that the first terminal portion a and the second terminal portion B are in contact coupling, the driving device may control the second terminal portion B not to rise any more or control the first terminal portion a not to descend any more after receiving the feedback signal of the proximity switch 32.
As shown in fig. 29 and 30, the electric coupler of the present invention can be applied to various scenes. As shown in fig. 29, the first terminal portion a of the electric coupler may be mounted on the bracket C, and the second terminal portion B may be mounted on the bracket D. In this embodiment, the stand C is above the stand D. Therefore, the z-axis direction is the vertical direction perpendicular to the ground. The contact coupling of the first terminal portion a and the second terminal portion B may be achieved by driving the bracket C to move downward by the driving device or driving the bracket D to move upward. As shown in fig. 30, the support C may be on one side of the support D, that is, the z-axis direction may be a horizontal direction parallel to the ground. The contact coupling of the first terminal portion a and the second terminal portion B may be achieved by driving the holder C toward the holder D by a driving device, or driving the holder D toward the holder C. In other embodiments, the support C and the support D may form a certain angle with the ground, that is, the support C and the support D are obliquely arranged, which falls within the protection scope of the present invention.
Compared with the prior art, the electric coupler provided by the invention provides a deviation correction mechanism in coupling alignment by adopting the matching of the electric brush, the electric brush swing arm and the wire guide plate, the contact of the electric brush and the conductive plate can lead the first terminal part and the second terminal part to be conducted, the electric brush can slide towards two ends along the conductive plate, a certain coupling range is provided, the correction mechanism in multiple directions can be provided, the requirement on the operation accuracy of driving equipment of the electric coupler is reduced, the connection stability in the coupling process of the electric coupler is ensured, the electric coupler component damage caused by the dislocation of the electric coupler is avoided, the service life of the electric coupler is prolonged, and the application range is increased.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (13)
1. An electrical coupler, comprising a first terminal portion (a) and a second terminal portion (B), wherein the first terminal portion (a) comprises:
a first terminal section holder (3);
two groups of electric brush swing arms (11), wherein one end of each electric brush swing arm (11) is respectively and rotatably connected to two ends of the first terminal part bracket (3), and at least one electric brush (12) is respectively arranged at the other end of each electric brush swing arm (11);
a first connection terminal (13) electrically connected to the brush (12);
the second terminal portion (B) includes:
a second terminal part holder (43), wherein the middle part of one side surface of the second terminal part holder (43) protrudes outwards to form two inclined planes which incline from the middle part to two ends, and the two inclined planes are arranged along a first direction;
two conductive plates (42) respectively laid on two inclined surfaces of the second terminal part bracket (43);
a second connection terminal (41) electrically connected to the conductive plate (42);
when the first terminal part (A) and the second terminal part (B) are close to each other along the second direction, the brushes (12) of the two groups of brush swing arms (11) are respectively contacted with the two conductive plates (42), and the two groups of brush swing arms (11) can slide towards two ends of the second terminal part bracket (43) along the two conductive plates (42).
2. The electrical coupler of claim 1, wherein the first terminal portion
(A) The electric brush swinging arm comprises a first terminal part bracket (3) and a second terminal part bracket (11), and is characterized by further comprising two electric brush swinging arm springs (14), wherein the two electric brush swinging arm springs (14) are respectively arranged between the two electric brush swinging arms (11) and the first terminal part bracket (3).
3. The electrical coupler of claim 1, wherein the first terminal portion
(A) The cleaning device further comprises two cleaning brush swing arms (21), one ends of the two cleaning brush swing arms (21) are respectively and rotatably connected to the first terminal part bracket (3), and cleaning brushes (22) are respectively arranged at the other ends of the two cleaning brush swing arms (21); when the first terminal part (A) and the second terminal part (B) are close to each other along the second direction, the cleaning brushes (22) of the two cleaning brush swinging arms (21) are respectively contacted with the two conductive plates (42), and can slide along the two conductive plates (42) towards two ends of the second terminal part bracket (43).
4. The electrical coupler of claim 3, wherein the first terminal portion
(A) The cleaning brush comprises a first terminal part bracket (3) and a second terminal part bracket (21), and is characterized by further comprising two cleaning brush swing arm springs which are respectively arranged between the two cleaning brush swing arms (21) and the first terminal part bracket (3).
5. An electric coupler according to claim 3, characterized in that each of the cleaning brush swing arms (21) corresponds to a group of the brush swing arms (11), a brush swing arm receiving opening (211) is provided on a side surface of the cleaning brush swing arm (21), and the brush swing arm (11) is passed through the corresponding brush swing arm receiving opening (211).
6. The electric coupler according to claim 1, wherein the middle part of the first terminal part bracket (3) protrudes outwards to form a protruding part, two ends of the protruding part are further provided with limiting blocks (35), the two groups of electric brush swing arms (11) are respectively arranged at two sides of the limiting blocks (35), and the limiting blocks (35) correspond to the positions of the electric brush swing arms (11); when the electric brush swing arm (11) is in an initial state, the inner side surface of the electric brush swing arm (11) is in contact with the limiting block (35).
7. The electric coupler according to claim 1, wherein each group of brush swing arms (11) respectively comprises a plurality of brush swing arms (11) which are arranged in parallel, and the first wiring terminals (13) are in one-to-one correspondence with the brushes (12) and are arranged on the back surfaces of the corresponding brushes (12);
each of the conductive plates (42) includes a plurality of conductive strips extending in an extending direction of the inclined surface, the conductive strips being in one-to-one correspondence with the brushes (12);
when the first terminal portion (A) and the second terminal portion (B) are coupled, each brush (12) is in contact with a corresponding conductive strip.
8. The electrical coupler according to claim 1, wherein the second terminal portion (B) further comprises two second terminal portion supporting members (5) and two movable cover plates (52), the two second terminal portion supporting members (5) being respectively provided at two inclined surfaces of the second terminal portion holder (43) at a side facing away from the conductive plate (42);
each second terminal portion supporting component (5) comprises two spring baffle plates (54) and a spring baffle plate (55) arranged between the two spring baffle plates (54), the two movable cover plates (52) are respectively abutted against the outer side faces of the two spring baffle plates (54), a plurality of first compression springs (53) are respectively arranged between the two spring baffle plates (54) and the spring baffle plate (55), the two movable cover plates (52) are fixedly connected with the second terminal portion supporting frame (43), the two spring baffle plates (54) and the spring baffle plate (55) are arranged along a third direction, and the two spring baffle plates (54) can move relative to the spring baffle plate (55) along the third direction.
9. The electrical coupler of claim 8, wherein the first direction, the second direction, and the third direction are perpendicular to one another.
10. The electrical coupler according to claim 1, wherein the second terminal portion (B) further comprises a second terminal portion base (6), the second terminal portion base (6) comprising a movable cover (61) and a fixed base (62), the movable cover (61) being movable in the second direction relative to the fixed base (62);
a spring guide plate (65) is further arranged between the movable cover (61) and the fixed seat (62), the spring guide plate (65) is fixed on the fixed seat (62), a plurality of second compression springs (68) are further arranged in the spring guide plate (65) in a penetrating mode, and the second compression springs (68) extend along the second direction.
11. The electric coupler according to claim 10, characterized in that a sliding groove (64) extending along the second direction is provided on a side surface of the movable cover (61), a sliding block (63) corresponding to the sliding groove (64) is provided on a side surface of the fixed seat (62), and the sliding block (63) is embedded in the sliding groove (64) and can slide along the extending direction of the sliding groove (64).
12. The electric coupler according to claim 1, characterized in that the middle part of the first terminal part holder (3) is further provided with a first guide block (31), a groove is provided on a side of the first guide block (31) facing away from the first terminal part holder (3), and a second guide block (33) is provided on a middle part of a side surface of the second terminal part holder (43);
when the first terminal part (A) is coupled with the second terminal part (B), the second guide block (33) is embedded in the groove of the first guide block (31).
13. The electric coupler according to claim 1, characterized in that the middle part of the first terminal part bracket (3) is further provided with a proximity switch (32), and the middle part of one side surface of the second terminal part bracket (43) is further provided with a proximity switch baffle (34);
when the first terminal portion (A) and the second terminal portion (B) are aligned in a second direction, the probe head of the proximity switch (32) and the proximity switch shutter (34) are aligned in the second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917415.3A CN108879230B (en) | 2018-08-13 | 2018-08-13 | Electric coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917415.3A CN108879230B (en) | 2018-08-13 | 2018-08-13 | Electric coupler |
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| CN108879230A CN108879230A (en) | 2018-11-23 |
| CN108879230B true CN108879230B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810917415.3A Active CN108879230B (en) | 2018-08-13 | 2018-08-13 | Electric coupler |
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| CN (1) | CN108879230B (en) |
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Also Published As
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| CN108879230A (en) | 2018-11-23 |
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