CN213781948U - Contact supporting device for improving action performance of contactor and contactor thereof - Google Patents
Contact supporting device for improving action performance of contactor and contactor thereof Download PDFInfo
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- CN213781948U CN213781948U CN202022164253.6U CN202022164253U CN213781948U CN 213781948 U CN213781948 U CN 213781948U CN 202022164253 U CN202022164253 U CN 202022164253U CN 213781948 U CN213781948 U CN 213781948U
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- contact
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- moving point
- contactor
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Abstract
The utility model relates to the technical field of contactors, in particular to a contact supporting device for improving the action performance of a contactor and the contactor thereof, which comprises a bottom plate connected with a moving point plate and a contact block formed by the upward extension of the bottom plate; the contact block is arranged on the periphery of the moving point plate; the contact block is used for contacting with the guide convex rib of the insulating cover. The utility model discloses a bottom at the moving point board sets up the bottom plate to contact block setting that upwards extends to form by the bottom plate can avoid the direct protruding muscle contact with the direction of insulating boot of moving point board in the periphery of moving point board, thereby can prevent that the moving point board from producing the copper powder because of the friction, has eliminated the hidden danger of copper powder.
Description
Technical Field
The utility model relates to a contactor technical field, concretely relates to contact strutting arrangement of improvement contactor action performance and contactor thereof.
Background
The direct current contactor is one of contactors, most of the existing direct current contactors adopt a movable reed direct-acting type (also called solenoid direct-acting type) scheme, a contact part of the direct current contactor comprises two fixed contacts and a movable component, the movable component comprises a movable spring part and a push rod component, the movable spring part is composed of a movable point plate, the movable point plate is a direct-acting type, when two ends of the movable point plate are respectively contacted with the two fixed contacts, current flows in from one fixed contact, and flows out from the other fixed contact after passing through the movable point plate; the moving point plate is arranged at one end of the push rod assembly, the other end of the push rod assembly is connected with the moving iron core, when the coil is connected with current and the moving iron core moves upwards, the moving iron core drives the push rod assembly to move upwards, the moving point plate is respectively contacted with the two static contacts, when the coil is disconnected with current, the moving iron core moves downwards under the action of the reset spring, the moving iron core drives the push rod assembly to move downwards, and the moving point plate is respectively separated from the two static contacts.
In the prior art, the contact part is usually accommodated in the ceramic cover, the moving spring part and the magnetic circuit part are separated by the yoke plate, that is, the moving spring part is arranged above the yoke plate, or the ceramic cover and the yoke plate enclose an arc extinguishing chamber, and meanwhile, in order to prevent the moving point plate from rotating in the horizontal direction to cause the contact position deviation between the moving point plate and the static contact, a vertically downward guide convex rib is added in the ceramic cover, and the moving point plate is guided by the friction with the guide convex rib in the product action process. However, the friction inevitably causes the generation of copper powder generated by the friction of the moving point plate, and the copper powder freely moves in the arc extinguishing chamber, thereby causing great hidden troubles to the action performance and the electrical performance of the product.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned not enough among the prior art, provide a contact strutting arrangement and contactor of improvement contactor action performance.
The purpose of the utility model is realized through the following technical scheme: a contact supporting device for improving the action performance of a contactor comprises a bottom plate connected with a moving point plate and a contact block formed by upwards extending the bottom plate; the contact block is arranged on the periphery of the moving point plate; the contact block is used for contacting with the guide convex rib of the insulating cover.
The utility model discloses further set up as, the hardness of the used material of contact piece is greater than the hardness of the used material of moving point board.
The utility model discloses further set up to, the bottom plate is equipped with the hole of stepping down that supplies the catch bar to pass.
The utility model is further arranged that the contact block is provided with an arc-shaped bulge; the arc-shaped bulge is used for contacting with the guide convex rib of the insulating cover.
The utility model discloses further set up to, the bottom plate is equipped with the through-hole of being connected with moving point board cooperation.
A contactor comprises an insulating cover, a yoke iron plate, a bracket, a static contact, a moving point plate and a moving spring assembly; an arc extinguishing chamber is formed between the insulating cover and the yoke plate; one end of the static contact extends into and is fixed in the arc extinguishing chamber; the bracket is arranged at the bottom of the yoke iron plate; the movable spring assembly comprises a push rod and a push assembly; the pushing assembly is arranged on the bracket; the push rod is connected with the moving point plate; the pushing assembly is used for driving the pushing rod to move so that the moving point plate is contacted with the fixed contact;
the inner side of the insulating cover is provided with a guide convex rib; the contactor further comprises a contact support device; the contact supporting device comprises a bottom plate connected with the moving point plate and a contact block formed by upwards extending the bottom plate; the contact block is arranged on the periphery of the moving point plate; the contact block is used for contacting with the guide convex rib.
The utility model is further arranged that the hardness of the material used by the contact block is greater than that of the material used by the moving point plate; the contact block is provided with an arc-shaped bulge; the arc-shaped bulge is used for contacting with the guide convex rib of the insulating cover.
The utility model is further arranged that the bottom plate is provided with a abdicating hole for the push rod to pass through; the push rod penetrates through the abdicating hole and then is connected with the moving point plate.
The utility model is further arranged that the bottom plate is provided with a through hole; and the bottom of the moving point plate is provided with a convex hull which is connected with the through hole in a matching way.
The utility model discloses further set up as, the top of yoke plate is equipped with insulating bottom.
The utility model has the advantages that: the utility model discloses a bottom at the moving point board sets up the bottom plate to contact block setting that upwards extends to form by the bottom plate can avoid the direct protruding muscle contact with the direction of insulating boot of moving point board in the periphery of moving point board, thereby can prevent that the moving point board from producing the copper powder because of the friction, has eliminated the hidden danger of copper powder.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Fig. 1 is a cross-sectional view of the contactor of the present invention;
FIG. 2 is a schematic view of the structure of the push rod, the moving point plate and the contact support device of the present invention;
fig. 3 is a schematic structural view of the contact supporting device of the present invention;
FIG. 4 is a schematic structural view of the moving point plate of the present invention;
fig. 5 is a schematic structural view of the insulation cover of the present invention;
wherein: 1. an insulating cover; 11. an arc-extinguishing chamber; 12. a guide convex rib; 2. a yoke iron plate; 3. a support; 4. static contact; 5. a moving point plate; 51. a convex hull; 61. a push rod; 62. a pushing assembly; 7. a contact support device; 71. a base plate; 72. a contact block; 73. an arc-shaped bulge; 74. a hole of abdication; 75. a through hole; 8. an insulating bottom cover.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 to 5; the contact supporting device 7 for improving the action performance of the contactor comprises a bottom plate 71 connected with a moving point plate 5 and a contact block 72 formed by upwards extending the bottom plate 71; the contact block 72 is arranged on the periphery of the moving point plate 5; the contact block 72 is used to contact the guide rib 12 of the insulating cover 1.
Specifically, in the contact supporting device 7 for improving the operating performance of the contactor according to the present embodiment, the bottom plate 71 is disposed at the bottom of the moving point plate 5, and the contact block 72 formed by extending the bottom plate 71 upward is disposed at the periphery of the moving point plate 5, so that the moving point plate 5 can be prevented from directly contacting the guide rib 12 of the insulating cover 1, and therefore, the moving point plate 5 can be prevented from generating copper powder due to friction, and the potential hazard of the copper powder is eliminated.
In the contact supporting device 7 for improving the action performance of the contactor according to the embodiment, the hardness of the material of the contact block 72 is greater than that of the material of the moving point plate 5. The material that the moving point board 5 used is the copper product, and this embodiment utilizes the contact strutting arrangement 7 of the higher hardness than copper product to rub with the protruding muscle 12 of direction of ceramic insulating boot 1, can the production of the metal powder that significantly reduces.
In the contact supporting device 7 for improving the performance of the contactor according to the present embodiment, the bottom plate 71 is provided with a relief hole 74 for the push rod 61 to pass through. The push rod 61 is connected with the moving point plate 5 by the above arrangement.
In the contact supporting device 7 for improving the performance of the contactor according to this embodiment, the contact block 72 is provided with an arc-shaped protrusion 73; the arc-shaped projection 73 is used for contacting with the guide rib 12 of the insulating cover 1. By arranging the arc-shaped protrusion 73, the original line-to-surface friction can be converted into the current point-to-surface friction.
In the contact supporting device 7 for improving the performance of the contactor according to the present embodiment, the bottom plate 71 is provided with a through hole 75 for matching and connecting with the moving point plate 5. Through the arrangement, the bottom plate 71 is arranged at the bottom of the moving point plate 5, a lifting force is generated on the moving point plate 5, bounce generated when the contact is attracted can be effectively reduced, and electrical and mechanical properties are greatly improved.
The contactor described in this embodiment includes an insulating cover 1, a yoke plate 2, a bracket 3, a stationary contact 4, a moving point plate 5, and a moving spring assembly; an arc extinguishing chamber 11 is formed between the insulating cover 1 and the yoke plate 2; one end of the static contact 4 extends into and is fixed in the arc extinguishing chamber 11; the bracket 3 is arranged at the bottom of the yoke iron plate 2; the movable spring assembly comprises a pushing rod 61 and a pushing assembly 62; the pushing assembly 62 is arranged on the bracket 3; the push rod 61 is connected with the moving point plate 5; the pushing assembly 62 is used for driving the pushing rod 61 to move so as to enable the moving point plate 5 to be in contact with the fixed contact 4;
a guide convex rib 12 is arranged on the inner side of the insulating cover 1; the contactor further comprises a contact support means 7; the contact support device 7 comprises a bottom plate 71 connected with the moving point plate 5 and a contact block 72 formed by upwards extending the bottom plate 71; the contact block 72 is arranged on the periphery of the moving point plate 5; the contact block 72 is adapted to contact the guide rib 12.
Specifically, in the contactor described in this embodiment, an arc extinguishing chamber 11 is formed between the insulating cover 1 and the yoke plate 2, the static contact 4 is fixed at the top of the arc extinguishing chamber 11, the moving-point plate 5 moves in the arc extinguishing chamber 11, and the push rod 61 penetrates into the arc extinguishing chamber 11 from the bottom of the yoke plate 2 and then is connected with the moving-point plate 5, so as to drive the moving-point plate 5 to contact with the static contact 4, whereas in this embodiment, the bottom plate 71 is arranged at the bottom of the moving-point plate 5, and the contact block 72 formed by upwardly extending the bottom plate 71 is arranged at the periphery of the moving-point plate 5, so that the moving-point plate 5 can be prevented from directly contacting with the guide convex rib 12 of the insulating cover 1, thereby preventing the moving-point plate 5 from generating copper powder due to friction, and eliminating the hidden danger of copper powder.
In the contactor according to this embodiment, the hardness of the material of the contact block 72 is greater than that of the material of the moving point plate 5; the material that the moving point board 5 used is the copper product, and this embodiment utilizes the contact strutting arrangement 7 of the higher hardness than copper product to rub with the protruding muscle 12 of direction of ceramic insulating boot 1, can the production of the metal powder that significantly reduces. The contact block 72 is provided with an arc-shaped projection 73; the arc-shaped projection 73 is used for contacting with the guide rib 12 of the insulating cover 1. By arranging the arc-shaped protrusion 73, the original line-to-surface friction can be converted into the current point-to-surface friction.
In the contactor according to this embodiment, the bottom plate 71 is provided with a relief hole 74 for the push rod 61 to pass through; the push rod 61 passes through the abdicating hole 74 and then is connected with the moving point plate 5.
In the contactor according to this embodiment, the bottom plate 71 is provided with a through hole 75; the bottom of the moving point plate 5 is provided with a convex hull 51 which is matched and connected with the through hole 75. Through the arrangement, the bottom plate 71 is arranged at the bottom of the moving point plate 5, a lifting force is generated on the moving point plate 5, bounce generated when the contact is attracted can be effectively reduced, and electrical and mechanical properties are greatly improved.
In the contactor according to this embodiment, the top of the yoke plate 2 is provided with an insulating bottom cover 8. The above arrangement can enhance the arc extinguishing effect of the arc extinguishing chamber 11.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A contact supporting device for improving the action performance of a contactor is characterized in that: comprises a bottom plate (71) connected with the moving point plate (5) and a contact block (72) formed by upward extension of the bottom plate (71); the contact block (72) is arranged on the periphery of the moving point plate (5); the contact block (72) is used for contacting with the guide convex rib (12) of the insulating cover (1).
2. The contact supporting device for improving the performance of a contactor according to claim 1, wherein: the hardness of the material of the contact block (72) is greater than that of the material of the moving point plate (5).
3. The contact supporting device for improving the performance of a contactor according to claim 1, wherein: the bottom plate (71) is provided with a yielding hole (74) for the push rod (61) to pass through.
4. The contact supporting device for improving the performance of a contactor according to claim 1, wherein: the contact block (72) is provided with an arc-shaped bulge (73); the arc-shaped bulge (73) is used for being in contact with the guide convex rib (12) of the insulating cover (1).
5. The contact supporting device for improving the performance of a contactor according to claim 1, wherein: the bottom plate (71) is provided with a through hole (75) which is matched and connected with the moving point plate (5).
6. A contactor, characterized by: the device comprises an insulating cover (1), a yoke plate (2), a bracket (3), a static contact (4), a moving point plate (5) and a moving spring component; an arc extinguishing chamber (11) is formed between the insulating cover (1) and the yoke plate (2); one end of the static contact (4) extends into and is fixed in the arc extinguishing chamber (11); the bracket (3) is arranged at the bottom of the yoke iron plate (2); the movable spring assembly comprises a push rod (61) and a push assembly (62); the pushing assembly (62) is arranged on the bracket (3); the push rod (61) is connected with the moving point plate (5); the pushing assembly (62) is used for driving the pushing rod (61) to move so that the moving point plate (5) is contacted with the fixed contact (4);
a guide convex rib (12) is arranged on the inner side of the insulating cover (1); the contactor further comprises a contact support device (7); the contact support device (7) comprises a bottom plate (71) connected with the moving point plate (5) and a contact block (72) formed by upwards extending the bottom plate (71); the contact block (72) is arranged on the periphery of the moving point plate (5); the contact block (72) is used for contacting with the guide convex rib (12).
7. A contactor according to claim 6, characterized in that: the hardness of the material used by the contact block (72) is greater than that of the material used by the moving point plate (5); the contact block (72) is provided with an arc-shaped bulge (73); the arc-shaped bulge (73) is used for being in contact with the guide convex rib (12) of the insulating cover (1).
8. A contactor according to claim 6, characterized in that: the bottom plate (71) is provided with a yielding hole (74) for the push rod (61) to pass through; the push rod (61) penetrates through the abdicating hole (74) and then is connected with the moving point plate (5).
9. A contactor according to claim 6, characterized in that: the bottom plate (71) is provided with a through hole (75); the bottom of the moving point plate (5) is provided with a convex hull (51) which is matched and connected with the through hole (75).
10. A contactor according to claim 6, characterized in that: and an insulating bottom cover (8) is arranged at the top of the yoke iron plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164253.6U CN213781948U (en) | 2020-09-28 | 2020-09-28 | Contact supporting device for improving action performance of contactor and contactor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164253.6U CN213781948U (en) | 2020-09-28 | 2020-09-28 | Contact supporting device for improving action performance of contactor and contactor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213781948U true CN213781948U (en) | 2021-07-23 |
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ID=76906761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022164253.6U Active CN213781948U (en) | 2020-09-28 | 2020-09-28 | Contact supporting device for improving action performance of contactor and contactor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213781948U (en) |
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2020
- 2020-09-28 CN CN202022164253.6U patent/CN213781948U/en active Active
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