CN220041724U - Direct-acting high-voltage direct-current contactor - Google Patents
Direct-acting high-voltage direct-current contactor Download PDFInfo
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- CN220041724U CN220041724U CN202222986167.2U CN202222986167U CN220041724U CN 220041724 U CN220041724 U CN 220041724U CN 202222986167 U CN202222986167 U CN 202222986167U CN 220041724 U CN220041724 U CN 220041724U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 91
- 229910052742 iron Inorganic materials 0.000 claims abstract description 35
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 238000010276 construction Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a direct-acting high-voltage direct-current contactor, which comprises a movable reed, a push rod component, a yoke iron plate, a yoke iron cylinder, a movable iron core and a coil, wherein the movable reed is arranged on the push rod component; the push rod part is penetrated through the yoke iron plate, and the coil is adapted to the lower surface of the yoke iron plate; the coil and the yoke plate are sequentially installed in the yoke cylinder, and the movable iron core at the lower end of the push rod component is matched in the coil; at least one protrusion formed in the inner wall of the yoke at a predetermined position outside the yoke after the coil and the yoke are sequentially installed in the yoke is further provided in the yoke at a position corresponding to the upper surface of the yoke. The utility model can effectively prevent the mutual rotation between the yoke iron plate and the coil, and prevent the up-down movement phenomenon of the yoke iron plate and the related parts thereof during vibration, thereby avoiding the occurrence of bad phenomenon of the contactor.
Description
Technical Field
The utility model relates to the technical field of contactors, in particular to a direct-acting high-voltage direct-current contactor.
Background
A contactor is an electronically controlled device having a control system (also known as an input loop) and a controlled system (also known as an output loop), commonly used in automatic control circuits, which in effect are "reclosers" that use a smaller current to control a larger current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like. The high-voltage direct current contactor is one of contactors, and adopts a movable reed direct-acting structure, namely, the movable contact is closed and opened by utilizing the cooperation of two fixed contacts and one movable reed. In the direct-acting high-voltage direct-current contactor in the prior art, interference fit is usually generated by stacking all parts to prevent all parts from moving up and down when vibrating, but most parts are made of plastic materials, so that a product is in a high-low temperature environment for a long time, the parts are easy to plastically deform under the action of thermal stress to cause the interference to be smaller, and a failure mode of up-down movement occurs in the product when vibrating is generated; in the aspect of preventing the yoke iron plate and the coil from rotating mutually, the locating protrusion bud is arranged on the coil frame in the prior art, the locating hole is formed in the yoke iron plate, and the yoke iron plate and the coil are prevented from rotating mutually by matching the locating hole of the yoke iron plate with the locating protrusion bud of the coil frame, however, as the coil frame is low in strength of plastic parts, the protrusion bud is easy to break or wear in the use environment of high-frequency vibration, so that the phenomenon of loosening caused by the fact that the contactor is not prevented is avoided.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a direct-acting high-voltage direct-current contactor, which can effectively prevent the mutual rotation between a yoke iron plate and a coil and the up-down movement of the yoke iron plate and related parts thereof during vibration through structural improvement, thereby avoiding the occurrence of bad phenomenon of the contactor.
The technical scheme adopted for solving the technical problems is as follows: a direct-acting high-voltage direct-current contactor comprises a movable reed, a push rod component, a yoke iron plate, a yoke iron cylinder, a movable iron core and a coil; the pushing rod part penetrates through the yoke plate, the upper end of the pushing rod part is connected with the movable reed, and the lower end of the pushing rod part is connected with the movable iron core; the coil is fitted under the yoke plate; the yoke is of a cylindrical structure with an upward opening, the coil and the yoke plate are sequentially installed in the yoke, the movable iron core at the lower end of the push rod component is matched in the coil, and the coil is accommodated in a cavity enclosed by the yoke plate and the yoke plate; in the wall of the yoke, at least one protrusion formed inside the wall of the yoke at a predetermined position outside the wall of the yoke after the coil and the yoke are sequentially installed in the yoke is further provided at a position corresponding to the upper face of the yoke so as to press against the edge of the yoke with the protrusion, thereby preventing the yoke from moving upward with respect to the yoke and rotating with respect to the yoke about the axis of the push lever member.
The protrusion bud inside the yoke cylinder wall is correspondingly formed inside the yoke cylinder wall after the outside of the yoke cylinder wall is sunken by utilizing a preset tool force at the preset position outside the yoke cylinder wall.
The yoke plate is provided with a corresponding notch on the upper surface of the edge thereof at a position corresponding to the protrusion of the yoke cylinder, the protrusion of the yoke cylinder is fitted in the notch of the yoke plate to prevent the yoke plate from moving upward relative to the yoke cylinder by the engagement of the protrusion with the bottom surface of the notch, and the yoke plate is prevented from rotating relative to the yoke cylinder about the axis of the push rod member by the engagement of the protrusion with the side surface of the notch.
The protrusion bud of the yoke cylinder and the notch of the yoke plate are respectively corresponding to one or two or three.
The periphery of the movable reed is limited in a preset rectangle, the protrusion bud of the yoke cylinder and the notch of the yoke plate are respectively corresponding to four notches, and the four notches of the yoke plate are respectively positioned at four corners corresponding to the rectangle.
The movable iron core is also sleeved with a magnetic conduction cylinder, the magnetic conduction cylinder is of a cylindrical structure with an upward opening, and the magnetic conduction cylinder and the movable iron core are accommodated in a through hole in the middle of the coil; the outer surface of the bottom wall of the magnetic conduction cylinder is lapped on the inner surface of the bottom wall of the yoke cylinder.
The contactor is further provided with a circumferential positioning part and an axial positioning part which can enable the protrusion bud of the yoke cylinder and the notch of the yoke plate to be positioned at the preset position.
The circumferential positioning part is a non-circular protruding part protruding upwards from the inner surface of the bottom wall of the yoke cylinder and a through hole which can be correspondingly matched with the protruding part of the bottom wall of the yoke cylinder is formed in the bottom wall of the magnetic cylinder, so that the matching of the protruding part of the yoke cylinder and the through hole of the magnetic cylinder is utilized to provide circumferential positioning of the matching of the notch of the yoke plate and the protrusion of the yoke cylinder for the tool.
The convex part of the yoke is elliptical, and the through hole of the bottom wall of the magnetic conduction cylinder is elliptical correspondingly matched with the elliptical convex part of the yoke.
The axial positioning part is a step arranged in the inner side of the cylinder wall of the yoke cylinder and at a small section of position below the position corresponding to the height of the protrusion, and the lower part of the edge of the yoke iron plate is lapped at the step of the yoke cylinder so as to prevent the yoke iron plate from downwards moving relative to the yoke cylinder by utilizing the step and provide the matched axial positioning of the notch of the yoke iron plate and the protrusion of the yoke cylinder for the fixture.
The axial positioning part is characterized in that a copper ring is further arranged at the top end of the magnetic conduction cylinder, the copper ring is sleeved outside the pushing rod part, the top end of the copper ring is propped under the yoke plate, and therefore the yoke plate is prevented from downwards moving relative to the yoke cylinder by means of the stacking height of the copper ring and the magnetic conduction cylinder and the matched axial positioning of a notch of the yoke iron plate and a protrusion bud of the yoke cylinder is provided for the fixture.
The circumference positioning part is a plastic frame which is arranged on the yoke plate, the plastic frame comprises a bottom wall and side walls which protrude upwards from four sides of the bottom wall, the four side walls enclose a shape which is matched with the rectangle of the periphery of the limiting movable reed, and the shape characteristics of the plastic frame are utilized to provide the matched circumference positioning of the notch of the yoke plate and the protrusion bud of the yoke cylinder for the tool.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, at least one protrusion formed in the yoke cylinder wall at a preset position outside the yoke cylinder wall after the coil and the yoke plate are sequentially installed in the yoke cylinder is arranged in the yoke cylinder wall at a position corresponding to the upper surface of the yoke plate so as to press the upper surface of the yoke plate edge by the protrusion, thereby preventing the yoke plate from moving upwards relative to the yoke cylinder and rotating relative to the yoke cylinder around the axis of the push rod component. According to the structure, the mutual rotation between the yoke plate and the coil is prevented by utilizing the protrusion formed by the yoke cylinder made of metal, and the up-down movement phenomenon of the yoke plate and the related parts thereof during vibration is prevented, so that the defects caused by the positioning protrusion formed by the plastic material in the prior art are avoided, and the bad phenomenon of the contactor is avoided.
2. The yoke iron plate is characterized in that a corresponding notch is arranged on the edge of the yoke iron plate at a position corresponding to the protrusion of the yoke iron cylinder, the protrusion of the yoke iron cylinder is matched in the notch of the yoke iron plate, the protrusion is matched with the bottom surface of the notch to prevent the yoke iron plate from moving upwards relative to the yoke iron cylinder, and the protrusion is matched with the side surface of the notch to prevent the yoke iron plate from rotating relative to the yoke iron cylinder around the axis of the push rod component. The structure of the utility model utilizes the matching of the protrusion bud of the yoke cylinder and the notch of the yoke plate, thereby not only effectively preventing the yoke plate and the coil from rotating mutually, but also preventing the yoke plate and the related parts thereof from moving up and down during vibration.
3. The utility model adopts the convex part which is not circular and protrudes upwards from the inner surface of the bottom wall of the yoke cylinder, the bottom wall of the magnetic conduction cylinder is provided with the through hole which can be correspondingly matched with the convex part of the bottom wall of the yoke cylinder as the circumferential positioning part, and the matching of the convex part of the yoke cylinder and the through hole of the magnetic conduction cylinder can be utilized to provide the matched circumferential positioning of the notch of the yoke plate and the protrusion bud of the yoke cylinder for the tool. According to the structure, the non-circular protruding part of the bottom wall of the yoke cylinder is matched with the through hole of the bottom wall of the magnetic conduction cylinder, which corresponds to the shape, so that the accurate positioning between the protruding bud of the yoke cylinder and the notch of the yoke plate can be realized.
The utility model is described in further detail below with reference to the drawings and examples; but a direct-acting type high-voltage direct-current contactor of the present utility model is not limited to the embodiment.
Drawings
FIG. 1 is a schematic external view of a first embodiment of the present utility model;
FIG. 2 is a structural cross-sectional view of a first embodiment of the present utility model;
FIG. 3 is a perspective view of a partial construction of a first embodiment of the present utility model;
fig. 4 is a front view of a partial construction of a first embodiment of the present utility model;
FIG. 5 is a top view of a partial construction of a first embodiment of the utility model;
FIG. 6 is an exploded perspective view of a partial construction of a first embodiment of the present utility model;
FIG. 7 is a front view of a partial construction decomposition of a first embodiment of the present utility model;
FIG. 8 is a partially exploded rear view of a first embodiment of the present utility model;
FIG. 9 is a sectional view of a partial construction of a first embodiment of the present utility model;
FIG. 10 is an enlarged schematic view of portion A of FIG. 9;
fig. 11 is a schematic perspective view of a yoke according to the first embodiment of the present utility model;
fig. 12 is a schematic perspective view (turned over by an angle) of a yoke according to the first embodiment of the present utility model;
fig. 13 is a sectional view of a yoke according to the first embodiment of the present utility model;
fig. 14 is a sectional view of a partial construction of a second embodiment of the present utility model;
FIG. 15 is an enlarged schematic view of portion B of FIG. 14;
FIG. 16 is a sectional view of a partial construction of a third embodiment of the present utility model;
fig. 17 is a top view of a partial configuration of a third embodiment of the present utility model.
Detailed Description
Example 1
Referring to fig. 1 to 13, a direct-acting high voltage direct current contactor of the present utility model includes a movable reed 1, a push rod part 2, a yoke plate 3, a yoke cylinder 4, a movable iron core 5, and a coil 6; the push rod component 2 penetrates through the yoke plate 3, the upper end of the push rod component 2 is connected with the movable reed 1, two fixed contact leading-out ends 11 are arranged above the movable reed 1, two ends of the movable reed 1 are respectively matched with the bottom ends of the two fixed contact leading-out ends 11, and the lower end of the push rod component 2 is connected with the movable iron core 5; the coil 6 is fitted under the yoke plate 3; the yoke 4 has a cylindrical structure with an upward opening, the coil 6 and the yoke plate 3 are sequentially installed in the yoke 4, the movable iron core 5 at the lower end of the push rod part 2 is fitted in the coil 6, and the coil 6 is accommodated in a cavity defined by the yoke plate 3 and the yoke 4; in the cylinder wall of the yoke 4, at a position corresponding to the upper face of the yoke plate 3, there is further provided at least one protrusion 41 formed in the cylinder wall of the yoke 4 at a predetermined position outside the cylinder wall of the yoke after the coil and the yoke plate are sequentially installed in the yoke, the protrusion 41 formed in the cylinder wall of the yoke 4 being formed in the cylinder wall of the yoke by forming a recess 42 in the cylinder wall of the yoke by applying a force using a predetermined tool at the predetermined position outside the cylinder wall of the yoke to press against the edge of the yoke plate 3 by the protrusion 41, thereby preventing the yoke plate 3 from moving upward with respect to the yoke 4 and rotating with respect to the yoke about the axis of the push rod member.
The push rod component comprises a U-shaped bracket, a spring seat, a push rod, a fixing piece and a spring; the push rod and the fixing piece form an integrated structure through an injection molding mode, the tail ends of the two side walls of the U-shaped support are respectively fixed with the two ends of the fixing piece, the movable reed 1 is arranged in a U-shaped opening of the U-shaped support through a spring, the bottom of the push rod is fixed with the movable iron core 5, the head of the push rod part is formed by the U-shaped support, the spring seat and the fixing piece, and a sealing ring is sleeved outside the head of the push rod part.
In this embodiment, a corresponding notch 31 is further provided on the upper surface of the edge of the yoke plate 3 at a position corresponding to the protrusion 41 of the yoke cylinder, the protrusion 41 of the yoke cylinder 4 is fitted into the notch 31 of the yoke plate 3 to prevent the yoke plate 3 from moving upward relative to the yoke cylinder 4 by the engagement of the protrusion 41 with the bottom surface of the notch 31, and to prevent the yoke plate 3 from rotating relative to the yoke cylinder 4 about the axis of the push rod member by the engagement of the protrusion 41 with the side surface of the notch 31.
In this embodiment, the periphery of the movable spring 1 is limited to a preset rectangle, the protrusion 41 of the yoke 4 and the notch 31 of the yoke plate 3 are respectively corresponding to four notches 31, and the four notches 31 of the yoke plate 3 are respectively located at four corners corresponding to the rectangle.
In this embodiment, the movable iron core 5 is further sleeved with a magnetic conductive cylinder 7, the magnetic conductive cylinder 7 has a cylindrical structure with an upward opening, and the magnetic conductive cylinder 7 and the movable iron core 5 are accommodated in a through hole 61 in the middle of the coil 6; the outer surface of the bottom wall of the magnetic conductive cylinder 7 is placed on the inner surface of the bottom wall of the yoke cylinder 4.
The contactor is further provided with a circumferential positioning portion and an axial positioning portion which enable the protrusion 41 of the yoke cylinder and the notch 31 of the yoke plate to be at the predetermined positions.
In this embodiment, the circumferential positioning portion is a non-circular protrusion 43 protruding upward from the inside of the bottom wall of the yoke 4, and the bottom wall of the magnetic conductive cylinder 7 is provided with a through hole 71 capable of correspondingly matching with the protrusion of the bottom wall of the yoke, so that the matching circumferential positioning of the notch 31 of the yoke plate 3 and the protrusion 41 of the yoke 4 is provided to the fixture by using the matching between the protrusion 43 of the yoke 4 and the through hole 71 of the magnetic conductive cylinder 7. The notch on the yoke plate 3 is the position of the die set when the part is formed, the yoke plate is prevented from rotating through the protrusion bud on the coil frame, the magnetic conduction cylinder is pressed into the coil frame in interference fit, and the magnetic conduction cylinder and the yoke cylinder are prevented from rotating through the protrusion 43 and the through hole 71, so that the notch on the yoke plate is accurately assembled to the preset position.
In this embodiment, the protruding portion 43 of the yoke 4 is elliptical, and the through hole 71 of the bottom wall of the magnetic conductive tube 7 is elliptical corresponding to the elliptical protruding portion of the yoke.
In this embodiment, the axial positioning portion is a step 44 disposed in the inner surface of the wall of the yoke 4 at a small position below the position corresponding to the height of the protrusion, and the lower surface of the partial edge of the yoke plate 3 is placed on the step 44 of the yoke 4, so that the yoke plate 3 is prevented from moving downward relative to the yoke 6 by the step 44 and the tool is provided with the matched axial positioning of the notch 31 of the yoke plate and the protrusion 41 of the yoke.
During assembly, the push rod part 2, the movable reed 1, the yoke plate 3 and the movable iron core 5 are assembled into an integral part, then the magnetic conduction cylinder 7 and the movable iron core 5 are matched together, the coil 6 is arranged in the yoke cylinder 4, finally the integral part containing the magnetic conduction cylinder 7 is arranged in the yoke cylinder 4, axial positioning is realized through the matching of the yoke plate 3 and the step 44 of the yoke cylinder 4, and circumferential positioning is realized through the matching of the convex part 43 of the yoke cylinder 4 and the through hole 71 of the magnetic conduction cylinder 7.
In a cylinder wall of a yoke 4, four protrusions 41 formed in the cylinder wall of the yoke at predetermined positions outside the cylinder wall of the yoke 4 after the coil 6 and the yoke 3 are sequentially installed in the yoke 4 are provided at positions corresponding to the upper surface of the yoke 3 so as to be pressed against the upper surface of the edge of the yoke 3 by the protrusions 41, thereby preventing the yoke 3 from being moved upward with respect to the yoke and rotated with respect to the yoke about the axis of the push rod member. According to the structure, the mutual rotation between the yoke plate and the coil is prevented by utilizing the protrusion formed by the yoke cylinder made of metal, and the up-down movement phenomenon of the yoke plate and the related parts thereof during vibration is prevented, so that the defects caused by the positioning protrusion formed by the plastic material in the prior art are avoided, and the bad phenomenon of the contactor is avoided.
The utility model further adopts that a corresponding notch 31 is arranged on the upper surface of the edge of the yoke plate 3 at a position corresponding to the protrusion 41 of the yoke cylinder 4, the protrusion 41 of the yoke cylinder 4 is matched in the notch 31 of the yoke plate 3, the protrusion 41 is matched with the bottom surface of the notch 31 to prevent the yoke plate 3 from upwards moving relative to the yoke cylinder 4, and the protrusion 41 is matched with the side surface of the notch 31 to prevent the yoke plate from rotating relative to the yoke cylinder around the axis of the push rod component. The structure of the utility model can effectively prevent the mutual rotation between the yoke plate and the coil and the up-down movement of the yoke plate and the related parts thereof during vibration by utilizing the cooperation of the protrusion bud 41 of the yoke cylinder and the notch 31 of the yoke plate.
In the direct-acting high-voltage direct-current contactor, the notch 31 of the yoke plate 3 is firstly manufactured, after the yoke plate 3 is put into the yoke cylinder 4, the protrusion 41 formed in the cylinder wall of the yoke cylinder by utilizing the preset fixture force is applied to the outer surface of the cylinder wall of the yoke cylinder, in order to realize the accurate positioning of the protrusion 41 and the notch 31, the non-circular protrusion 43 protrudes upwards from the inner surface of the bottom wall of the yoke cylinder 4, the bottom wall of the magnetic cylinder 7 is provided with the through hole 71 which can be correspondingly matched with the protrusion of the bottom wall of the yoke cylinder 4 to serve as a circumferential positioning part, and the push rod part 2, the movable reed 1, the yoke iron plate 3, the movable iron core 5 and the magnetic cylinder 7 are assembled together and then are assembled into the yoke cylinder 4, so that the matched positioning of the notch of the yoke iron plate and the protrusion of the yoke cylinder can be provided for the fixture by utilizing the matching of the protrusion 43 of the yoke cylinder 4 and the through hole 71 of the magnetic cylinder 7. According to the structure, the non-circular protruding part of the bottom wall of the yoke cylinder is matched with the through hole of the bottom wall of the magnetic conduction cylinder, which corresponds to the shape, so that the accurate positioning between the protruding bud of the yoke cylinder and the notch of the yoke plate can be realized.
Example two
Referring to fig. 14 to 15, a direct-acting type high voltage direct current contactor according to the present utility model is different from the first embodiment in that an axial positioning portion is not a step provided in a yoke 4, but a copper ring 72 is further provided at a top end of a magnet conductive cylinder 7, the copper ring 72 is sleeved outside the push rod part 2, and a top end of the copper ring 72 is propped under the yoke 4 to prevent the yoke 3 from moving downward relative to the yoke 4 by using a stacked height of the copper ring 72 and the magnet conductive cylinder 7 and to provide the fixture with an axial positioning of a notch 31 of the yoke plate in cooperation with a boss 41 of the yoke.
Example III
Referring to fig. 16 to 17, a direct-acting type high voltage direct current contactor according to the present utility model is different from the first embodiment in that a non-circular protrusion is not protruded upwardly from the inside of the bottom wall of the yoke 4, and thus, the matching circumferential positioning of the notch 31 of the yoke plate 3 and the protrusion 41 of the yoke 4 cannot be provided to the fixture by the matching of the protrusion of the yoke 4 and the through hole of the magnetic conductive cylinder 7. The circumferential positioning part of the embodiment is a plastic frame 8 arranged on the yoke plate 3, the plastic frame 8 comprises a bottom wall and side walls 81 protruding upwards from four sides of the bottom wall, the four side walls 81 enclose a shape matched with the rectangle of the periphery of the limiting movable reed, and the utility model utilizes the appearance characteristic of the plastic frame 81 to provide the matched circumferential positioning of the notch of the yoke plate and the protrusion of the yoke cylinder for the fixture.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (13)
1. A direct-acting high-voltage direct-current contactor comprises a movable reed, a push rod component, a yoke iron plate, a yoke iron cylinder, a movable iron core and a coil; the pushing rod part penetrates through the yoke plate, the upper end of the pushing rod part is connected with the movable reed, and the lower end of the pushing rod part is connected with the movable iron core; the coil is fitted under the yoke plate; the yoke is of a cylindrical structure with an upward opening, the coil and the yoke plate are sequentially installed in the yoke, the movable iron core at the lower end of the push rod component is matched in the coil, and the coil is accommodated in a cavity enclosed by the yoke plate and the yoke plate; the method is characterized in that: in the wall of the yoke, at least one protrusion formed inside the wall of the yoke at a predetermined position outside the wall of the yoke after the coil and the yoke are sequentially installed in the yoke is further provided at a position corresponding to the upper face of the yoke so as to press against the edge of the yoke with the protrusion, thereby preventing the yoke from moving upward with respect to the yoke and rotating with respect to the yoke about the axis of the push lever member.
2. The direct-acting high-voltage direct-current contactor according to claim 1, wherein: the protrusion bud inside the yoke cylinder wall is correspondingly formed inside the yoke cylinder wall after the outside of the yoke cylinder wall is sunken by utilizing a preset tool force at the preset position outside the yoke cylinder wall.
3. The direct-acting high-voltage direct-current contactor according to claim 2, wherein: the yoke plate is provided with a corresponding notch on the upper surface of the edge thereof at a position corresponding to the protrusion of the yoke cylinder, the protrusion of the yoke cylinder is fitted in the notch of the yoke plate to prevent the yoke plate from moving upward relative to the yoke cylinder by the engagement of the protrusion with the bottom surface of the notch, and the yoke plate is prevented from rotating relative to the yoke cylinder about the axis of the push rod member by the engagement of the protrusion with the side surface of the notch.
4. A direct-acting high voltage direct current contactor according to claim 3, wherein: the protrusion bud of the yoke cylinder and the notch of the yoke plate are respectively corresponding to one or two or three.
5. A direct-acting high voltage direct current contactor according to claim 3, wherein: the periphery of the movable reed is limited in a preset rectangle, the protrusion bud of the yoke cylinder and the notch of the yoke plate are respectively corresponding to four notches, and the four notches of the yoke plate are respectively positioned at four corners corresponding to the rectangle.
6. The direct-acting high voltage direct current contactor according to claim 5, wherein: the movable iron core is also sleeved with a magnetic conduction cylinder, the magnetic conduction cylinder is of a cylindrical structure with an upward opening, and the magnetic conduction cylinder and the movable iron core are accommodated in a through hole in the middle of the coil; the outer surface of the bottom wall of the magnetic conduction cylinder is lapped on the inner surface of the bottom wall of the yoke cylinder.
7. The direct-acting high voltage direct current contactor according to claim 6, wherein: the contactor is further provided with a circumferential positioning part which can enable the protrusion bud of the yoke cylinder and the notch of the yoke plate to be located at the preset position.
8. The direct-acting high voltage direct current contactor according to claim 6, wherein: the contactor is further provided with an axial positioning part which can enable the protrusion bud of the yoke cylinder and the notch of the yoke plate to be positioned at the preset position.
9. The direct-acting high voltage direct current contactor according to claim 7, wherein: the circumferential positioning part is a non-circular protruding part protruding upwards from the inner surface of the bottom wall of the yoke cylinder and a through hole which can be correspondingly matched with the protruding part of the bottom wall of the yoke cylinder is formed in the bottom wall of the magnetic cylinder, so that the matching of the protruding part of the yoke cylinder and the through hole of the magnetic cylinder is utilized to provide circumferential positioning of the matching of the notch of the yoke plate and the protrusion of the yoke cylinder for the tool.
10. The direct-acting high voltage direct current contactor according to claim 9, wherein: the convex part of the yoke is elliptical, and the through hole of the bottom wall of the magnetic conduction cylinder is elliptical correspondingly matched with the elliptical convex part of the yoke.
11. The direct-acting high voltage direct current contactor according to claim 8, wherein: the axial positioning part is a step arranged in the inner side of the cylinder wall of the yoke cylinder and at a small section of position below the position corresponding to the height of the protrusion, and the lower part of the edge of the yoke iron plate is lapped at the step of the yoke cylinder so as to prevent the yoke iron plate from downwards moving relative to the yoke cylinder by utilizing the step and provide the matched axial positioning of the notch of the yoke iron plate and the protrusion of the yoke cylinder for the fixture.
12. The direct-acting high voltage direct current contactor according to claim 8, wherein: the axial positioning part is characterized in that a copper ring is further arranged at the top end of the magnetic conduction cylinder, the copper ring is sleeved outside the pushing rod part, the top end of the copper ring is propped under the yoke plate, and therefore the yoke plate is prevented from downwards moving relative to the yoke cylinder by means of the stacking height of the copper ring and the magnetic conduction cylinder and the matched axial positioning of a notch of the yoke iron plate and a protrusion bud of the yoke cylinder is provided for the fixture.
13. The direct-acting high voltage direct current contactor according to claim 7, wherein: the circumference positioning part is a plastic frame which is arranged on the yoke plate, the plastic frame comprises a bottom wall and side walls which protrude upwards from four sides of the bottom wall, the four side walls enclose a shape which is matched with the rectangle of the periphery of the limiting movable reed, and the shape characteristics of the plastic frame are utilized to provide the matched circumference positioning of the notch of the yoke plate and the protrusion bud of the yoke cylinder for the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222986167.2U CN220041724U (en) | 2022-11-09 | 2022-11-09 | Direct-acting high-voltage direct-current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222986167.2U CN220041724U (en) | 2022-11-09 | 2022-11-09 | Direct-acting high-voltage direct-current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041724U true CN220041724U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222986167.2U Active CN220041724U (en) | 2022-11-09 | 2022-11-09 | Direct-acting high-voltage direct-current contactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN220041724U (en) |
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2022
- 2022-11-09 CN CN202222986167.2U patent/CN220041724U/en active Active
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