CN214624919U - Push rod structure for improving action performance of contactor and contactor thereof - Google Patents
Push rod structure for improving action performance of contactor and contactor thereof Download PDFInfo
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- CN214624919U CN214624919U CN202022171188.XU CN202022171188U CN214624919U CN 214624919 U CN214624919 U CN 214624919U CN 202022171188 U CN202022171188 U CN 202022171188U CN 214624919 U CN214624919 U CN 214624919U
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- point plate
- moving point
- spring
- contactor
- push rod
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Abstract
The utility model relates to the technical field of contactors, in particular to a push rod structure for improving the action performance of a contactor and the contactor thereof, which comprises a pushing part, a step part and a connecting part; the step part is arranged between the pushing part and the connecting part; the connecting part is used for being connected with the moving point plate; the connecting part is provided with an inclined surface; an overtravel spring is sleeved outside the inclined plane; the overtravel spring is arranged between the step part and the moving point plate. The utility model discloses a set up the inclined plane on connecting portion, can guarantee the reliable location of over travel spring, also can effectively avoid the connecting portion friction production metal powder of over travel spring and catch bar simultaneously to promote product action and electrical property.
Description
Technical Field
The utility model relates to a contactor technical field, concretely relates to push rod structure 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.
When the moving point plate is just contacted with the two static contacts, the moving point plate can move for a certain distance, so that the moving point plate is completely contacted with the static contacts and generates certain pressure, an overtravel spring is arranged on the step part of the push rod, the other end of the overtravel spring is a moving spring part, and the overtravel spring is used for providing the pressure for contacting the moving point plate with the static contacts. But there is friction between overtravel spring and the catch bar, and this kind of friction has inevitably caused the emergence of metal powder, and metal powder is in the inside free motion of arc extinguishing chamber, causes very big hidden danger to product action performance and electrical property.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned among the prior art not enough, provide a push rod structure of improvement contactor action performance and contactor thereof.
The purpose of the utility model is realized through the following technical scheme: a push rod structure for improving the action performance of a contactor comprises a push part, a step part and a connecting part; the step part is arranged between the pushing part and the connecting part; the connecting part is used for being connected with the moving point plate; the connecting part is provided with an inclined surface; an overtravel spring is sleeved outside the inclined plane; the overtravel spring is arranged between the step part and the moving point plate.
The utility model is further arranged that the included angle between the plane of the inclined plane and the plane of the top surface of the step part is an acute angle;
the overtravel spring is arranged between the top of the step part and the bottom of the moving point plate.
The utility model is further arranged that the connecting part is provided with a circular platform part; the inclined surface is the peripheral surface of the circular table part; the radius of the bottom of the circular table part is larger than that of the top of the circular table part.
The utility model discloses further set up to, be equipped with the jump ring between the top of connecting portion and the top of moving point board.
The utility model discloses further set up as, promotion portion and step portion are cylindricly.
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 pushing rod comprises a pushing part, a step part and a connecting part; the step part is arranged between the pushing part and the connecting part; the connecting part is used for being connected with the moving point plate; the connecting part is provided with an inclined surface; an overtravel spring is sleeved outside the inclined plane; the overtravel spring is arranged between the step part and the moving point plate.
The utility model is further arranged that the included angle between the plane of the inclined plane and the plane of the top surface of the step part is an acute angle;
the overtravel spring is arranged between the top of the step part and the bottom of the moving point plate.
The utility model is further arranged that the connecting part is provided with a circular platform part; the inclined surface is the peripheral surface of the circular table part; the radius of the bottom of the circular table part is larger than that of the top of the circular table part.
The utility model discloses further set up to, be equipped with the jump ring between the top of connecting portion and the top of moving point board.
The utility model discloses further set up as, promotion portion and step portion are cylindricly.
The utility model has the advantages that: the utility model discloses a set up the inclined plane on connecting portion, can guarantee the reliable location of over travel spring, also can effectively avoid the connecting portion friction production metal powder of over travel spring and catch bar simultaneously to promote product action and electrical property.
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 over travel spring of the present invention;
FIG. 3 is a cross-sectional view of the push rod, the moving point plate and the over travel spring of the present invention;
wherein: 1. an insulating cover; 11. an arc-extinguishing chamber; 2. a yoke iron plate; 3. a support; 4. static contact; 5. a moving point plate; 6. a push rod; 61. a pushing part; 62. a step portion; 63. a connecting portion; 64. an inclined surface; 7. a pushing assembly; 8. an over travel spring; 9. and a clamp spring.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 to 3; the push rod structure for improving the action performance of the contactor in the embodiment comprises a push part 61, a step part 62 and a connecting part 63; the step part 62 is arranged between the pushing part 61 and the connecting part 63; the connecting part 63 is used for connecting with the moving point plate 5; the connecting part 63 is provided with an inclined surface 64; an overtravel spring 8 is sleeved outside the inclined surface 64; the overtravel spring 8 is arranged between the step part 62 and the moving point plate 5.
Specifically, the push rod structure described in this embodiment, the top of its step part 62 is used for installing over travel spring 8, step part 62's top is equipped with certain inclination and forms inclined plane 64, this inclined plane 64's bottom step part 62 links to each other, for the big disc, the top of inclined plane 64 upwards extends and is connected with moving point board 5, the big disc is used for fixing a position over travel spring 8, can guarantee over travel spring 8's reliable location like this, also can effectively avoid over travel spring 8 and catch bar 6's connecting portion 63 friction to produce the metal powder simultaneously, thereby promote product action and electrical property.
In the push rod structure for improving the action performance of the contactor according to this embodiment, an included angle between a plane where the inclined surface 64 is located and a plane where the top surface of the step portion 62 is located is an acute angle;
the overtravel spring 8 is arranged between the top of the step part 62 and the bottom of the moving point plate 5.
Specifically, through the above arrangement, the over travel spring 8 can be fixed at the bottom of the inclined surface 64, i.e., at the top of the step part 62, and a gap exists between the inclined surface 64 of the connecting part 63 and the over travel spring 8, so that the generation of metal powder due to the friction between the over travel spring 8 and the connecting part 63 of the push rod 6 can be effectively avoided.
In the push rod structure for improving the performance of the contactor according to this embodiment, the connecting portion 63 is provided with a circular truncated cone portion; the inclined surface 64 is the outer peripheral surface of a circular table portion; the radius of the bottom of the circular table part is larger than that of the top of the circular table part.
Specifically, through the above arrangement, the over travel spring 8 can be fixed at the bottom of the circular truncated cone portion, namely at the top of the step portion 62, and a gap exists between the inclined surface 64 of the circular truncated cone portion and the over travel spring 8, so that the generation of metal powder due to the friction between the over travel spring 8 and the connecting portion 63 of the push rod 6 can be effectively avoided.
In the push rod structure for improving the action performance of the contactor, a clamp spring 9 is arranged between the top of the connecting part 63 and the top of the moving point plate 5. The connecting portion 63 and the movable point plate 5 are fixed by the above arrangement.
In the push rod structure for improving the performance of the contactor in this embodiment, the pushing portion 61 and the step portion 62 are both cylindrical. The above arrangement stabilizes the structure of the push rod 6.
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 push rod 6 and a push assembly 7; the pushing assembly 7 is arranged on the bracket 3; the push rod 6 is connected with the moving point plate 5; the pushing assembly 7 is used for driving the pushing rod 6 to move so as to enable the moving point plate 5 to be in contact with the fixed contact 4;
the push rod 6 comprises a push part 61, a step part 62 and a connecting part 63; the step part 62 is arranged between the pushing part 61 and the connecting part 63; the connecting part 63 is used for connecting with the moving point plate 5; the connecting part 63 is provided with an inclined surface 64; an overtravel spring 8 is sleeved outside the inclined surface 64; the overtravel spring 8 is arranged between the step part 62 and the moving point plate 5.
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, the connecting portion 63 of the push rod 6 and the step portion 62 penetrate into the arc extinguishing chamber 11 from the bottom of the yoke plate 2 and then are connected with the moving-point plate 5, so as to drive the moving-point plate 5 to contact with the static contact 4, and in this embodiment, by setting the inclined surface 64, the over travel spring 8 can be fixed at the bottom of the inclined surface 64, that is, the top of the step portion 62, and a gap exists between the inclined surface 64 of the connecting portion 63 and the over travel spring 8, so that the metal powder generated by the friction between the over travel spring 8 and the connecting portion 63 of the push rod 6 can be effectively avoided.
In the contactor according to this embodiment, an included angle between a plane where the inclined surface 64 is located and a plane where the top surface of the step portion 62 is located is an acute angle;
the overtravel spring 8 is arranged between the top of the step part 62 and the bottom of the moving point plate 5.
Specifically, through the above arrangement, the over travel spring 8 can be fixed at the bottom of the inclined surface 64, i.e., at the top of the step part 62, and a gap exists between the inclined surface 64 of the connecting part 63 and the over travel spring 8, so that the generation of metal powder due to the friction between the over travel spring 8 and the connecting part 63 of the push rod 6 can be effectively avoided.
In the contactor according to this embodiment, the connecting portion 63 has a circular table portion; the inclined surface 64 is the outer peripheral surface of a circular table portion; the radius of the bottom of the circular table part is larger than that of the top of the circular table part.
Specifically, through the above arrangement, the over travel spring 8 can be fixed at the bottom of the circular truncated cone portion, namely at the top of the step portion 62, and a gap exists between the inclined surface 64 of the circular truncated cone portion and the over travel spring 8, so that the generation of metal powder due to the friction between the over travel spring 8 and the connecting portion 63 of the push rod 6 can be effectively avoided.
In the contactor of this embodiment, a clamp spring 9 is arranged between the top of the connecting portion 63 and the top of the moving point plate 5. The connecting portion 63 and the movable point plate 5 are fixed by the above arrangement.
In the contactor according to this embodiment, the pushing portion 61 and the step portion 62 are both cylindrical. The above arrangement stabilizes the structure of the push rod 6.
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 (6)
1. The utility model provides a push rod structure of improvement contactor action performance which characterized in that: comprises a pushing part (61), a step part (62) and a connecting part (63); the step part (62) is arranged between the pushing part (61) and the connecting part (63); the connecting part (63) is used for being connected with the moving point plate (5); the connecting part (63) is provided with an inclined surface (64); an overtravel spring (8) is sleeved outside the inclined surface (64); the over travel spring (8) is arranged between the step part (62) and the moving point plate (5);
the connecting part (63) is provided with a circular table part; the inclined surface (64) is the outer peripheral surface of the circular table part; the radius of the bottom of the circular table part is larger than that of the top of the circular table part;
the pushing part (61) and the step part (62) are both cylindrical.
2. The push rod structure for improving the action performance of the contactor as claimed in claim 1, wherein: an included angle between a plane where the inclined surface (64) is located and a plane where the top surface of the step part (62) is located is an acute angle;
the overtravel spring (8) is arranged between the top of the step part (62) and the bottom of the moving point plate (5).
3. The push rod structure for improving the action performance of the contactor as claimed in claim 1, wherein: and a clamp spring (9) is arranged between the top of the connecting part (63) and the top of the moving point plate (5).
4. 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 (6) and a push assembly (7); the pushing assembly (7) is arranged on the bracket (3); the push rod (6) is connected with the moving point plate (5); the pushing assembly (7) is used for driving the pushing rod (6) to move so that the moving point plate (5) is contacted with the fixed contact (4);
the push rod (6) comprises a push part (61), a step part (62) and a connecting part (63); the step part (62) is arranged between the pushing part (61) and the connecting part (63); the connecting part (63) is used for being connected with the moving point plate (5); the connecting part (63) is provided with an inclined surface (64); an overtravel spring (8) is sleeved outside the inclined surface (64); the over travel spring (8) is arranged between the step part (62) and the moving point plate (5);
the connecting part (63) is provided with a circular table part; the inclined surface (64) is the outer peripheral surface of the circular table part; the radius of the bottom of the circular table part is larger than that of the top of the circular table part;
the pushing part (61) and the step part (62) are both cylindrical.
5. A contactor according to claim 4, characterized in that: an included angle between a plane where the inclined surface (64) is located and a plane where the top surface of the step part (62) is located is an acute angle;
the overtravel spring (8) is arranged between the top of the step part (62) and the bottom of the moving point plate (5).
6. A contactor according to claim 4, characterized in that: and a clamp spring (9) is arranged between the top of the connecting part (63) and the top of the moving point plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171188.XU CN214624919U (en) | 2020-09-28 | 2020-09-28 | Push rod structure for improving action performance of contactor and contactor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171188.XU CN214624919U (en) | 2020-09-28 | 2020-09-28 | Push rod structure for improving action performance of contactor and contactor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214624919U true CN214624919U (en) | 2021-11-05 |
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ID=78375225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022171188.XU Active CN214624919U (en) | 2020-09-28 | 2020-09-28 | Push rod structure for improving action performance of contactor and contactor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214624919U (en) |
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2020
- 2020-09-28 CN CN202022171188.XU patent/CN214624919U/en active Active
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