CN214672412U - Armature stable relay convenient for contact breaking - Google Patents
Armature stable relay convenient for contact breaking Download PDFInfo
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- CN214672412U CN214672412U CN202023309477.8U CN202023309477U CN214672412U CN 214672412 U CN214672412 U CN 214672412U CN 202023309477 U CN202023309477 U CN 202023309477U CN 214672412 U CN214672412 U CN 214672412U
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- armature
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Abstract
The utility model relates to the technical field of relays, in particular to an armature stable relay convenient for contact breaking, which comprises an insulator, an electromagnet arranged on the insulator and a terminal unit; the armature is movably arranged on the insulator, the elastic piece is used for driving the armature to reset, and the armature acts on the movable terminal through the push piece; the push sheet is provided with a clamping groove, and the movable terminal is provided with a clamping part which extends into the clamping groove in a protruding mode; the electromagnet drives the armature to move under the action of magnetic force, and the moving armature drives the moving terminal to move through the push sheet; the side face of the inner groove of the clamping groove is used for blocking and abutting against the clamping part, the push piece and the movable terminal are stably limited together, after the relay is powered off, the armature is reset by means of elastic force applied to the armature by the elastic piece, the elastic restoring force of the elastic piece and the elastic restoring force of the movable terminal are superposed to enable the movable terminal and the static terminal to be quickly disconnected, and the extinguishing efficiency of disconnected electric arcs is improved.
Description
Technical Field
The utility model relates to a relay technical field especially discloses an armature stable relay convenient to contact is disconnected.
Background
The relay is an electronic component with high reliability, and with the market development, a large impact current exists in a plurality of application occasions, and at the moment of closing or opening the relay, if the large impact current exists, electric arcs among contacts can be serious, so that the relay is easy to have the phenomenon of sticking and can not be normally disconnected.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming and the not enough that exist among the prior art, the utility model aims to provide a be convenient for disconnected armature stable relay of contact, the elastic restoring force of elastic component and the elastic restoring force stack of moving the terminal make to move terminal and quiet terminal and divide absolutely fast, promote the efficiency of extinguishing of dividing disconnected electric arc.
In order to achieve the above object, the present invention provides an armature stabilized relay convenient for contact breaking, including an insulator, an electromagnet disposed on the insulator, and a terminal unit, wherein the terminal unit includes a movable terminal and a stationary terminal disposed on the insulator, and the electromagnet drives the movable terminal to make conductive contact with the stationary terminal or separate and disconnect from the stationary terminal by means of magnetic force; the armature is movably arranged on the insulator, the elastic piece is used for driving the armature to reset, and the armature acts on the movable terminal through the push piece; the push sheet is provided with a clamping groove, and the movable terminal is provided with a clamping part which extends into the clamping groove in a protruding mode; the electromagnet drives the armature to move under the action of magnetic force, and the moving armature drives the moving terminal to move through the push sheet.
The two clamping grooves are positioned at two sides of the same end of the push sheet, which are far away from each other, and the clamping grooves are formed by being concavely arranged from the lower surface of the push sheet; the number of the clamping parts is two, the two clamping parts are respectively positioned at two ends of the movable terminal, which are far away from each other, and the two clamping parts are respectively inserted into the two clamping grooves.
The movable terminal is provided with two limiting arms and a main piece positioned between the two limiting arms, and the main piece is provided with a movable contact for contacting and conducting the static terminal; the two clamping parts are respectively arranged on the two limiting arms.
The push piece is provided with two supporting legs, the limiting arm is provided with an auxiliary piece and a limiting hook formed by bending the auxiliary piece, the auxiliary piece is positioned between the two supporting legs, and the limiting hook is positioned above the push piece.
Wherein, the electro-magnet still includes the yoke, and the both sides that the yoke kept away from each other all have the card protruding, and the elastic component has two elasticity ear buckles, and elasticity ear buckle has the knot hole, and the knot hole of two elasticity ear buckles is used for holding the card protruding of establishing the yoke both sides respectively.
The elastic piece is provided with a first elastic arm which is provided with an arc-shaped arched part, and the arc-shaped arched part is used for abutting against the armature.
The second elastic arm presses and holds the chuck part on the side surface of the inner hole of the limiting hole, and the chuck part enters the limiting hole through the guide of the inclined guide surface.
The utility model has the advantages that: the side face of the inner groove of the clamping groove is used for blocking and abutting against the clamping part, the pushing piece and the moving terminal are stably limited together, after the relay is powered off, the armature is reset by the aid of elastic force applied to the armature by the elastic piece, the armature is reset by the aid of the pushing piece, the moving terminal is pulled to reset by the elastic piece, the elastic restoring force of the elastic piece and the elastic restoring force of the moving terminal are superposed to enable the moving terminal and the static terminal to be quickly disconnected, and extinguishing efficiency of disconnected electric arcs is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a schematic perspective view of the push plate of the present invention;
fig. 4 is a partially enlarged structural view of a portion a in fig. 2.
The reference numerals include:
1-insulator 2-electromagnet 3-moving terminal
4-static terminal 5-armature 6-elastic piece
7-pushing piece 8-clamping groove 9-clamping part
11-spacing arm 12-main piece 13-supporting leg
14-yoke 15-convex 16-elastic ear clip
17-first elastic arm 18-arc arched part 19-limiting hole
21-second elastic arm 22-inclined guide surface 111-auxiliary sheet
112, a limiting hook 51 and a clamping head part.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 4, an armature stabilizing relay convenient for contact breaking according to the present invention includes an insulator 1, an electromagnet 2 mounted on the insulator 1, and a terminal unit, where the terminal unit includes a moving terminal 3 and a static terminal 4 disposed on the insulator 1, and the electromagnet 2 drives the moving terminal 3 to be in conduction contact with the static terminal 4 or to be separated from the static terminal 4 by means of magnetic force.
The device also comprises an armature 5, an elastic piece 6 and a push sheet 7, wherein the armature 5 is movably arranged on the insulator 1, the elastic piece 6 is used for driving the armature 5 to reset, and the armature 5 acts on the movable terminal 3 through the push sheet 7. The push sheet 7 is provided with a clamping groove 8, the clamping groove 8 is concavely arranged from the outer surface of the push sheet 7, and the movable terminal 3 is provided with a clamping part 9 which extends into the clamping groove 8; the electromagnet 2 drives the armature 5 to move under the action of magnetic force, and the moving armature 5 drives the moving terminal 3 to move through the push sheet 7.
The side face of the inner groove of the clamping groove 8 is blocked and abutted against the clamping part 9, the push piece 7 and the movable terminal 3 are stably limited together, after the relay is powered off, the armature 5 is reset by the aid of elastic force applied to the armature 5 by the elastic piece 6, the armature 5 is reset by pulling the movable terminal 3 through the push piece 7, the elastic restoring force of the elastic piece 6 and the elastic restoring force of the movable terminal 3 are superposed, so that the movable terminal 3 and the static terminal 4 are quickly disconnected, and the extinguishing efficiency of disconnected electric arcs is improved.
The number of the clamping grooves 8 is two, the two clamping grooves 8 are positioned at two sides of the same end of the push sheet 7, which are far away from each other, and the clamping grooves 8 are formed by being concavely arranged from the lower surface of the push sheet 7; the number of the clamping parts 9 is two, the two clamping parts 9 are respectively positioned at two ends of the movable terminal 3 which are far away from each other, and the two clamping parts 9 are respectively inserted into the two clamping grooves 8.
By means of the matching of the two clamping parts 9 and the two clamping grooves 8, the two ends of the movable terminal 3 are respectively and stably limited on the push sheet 7, when the push sheet 7 drives the movable terminal 3 to move back and forth, the two ends of the movable terminal 3 are ensured to be approximately stressed in a balanced manner, the probability that the movable terminal 3 and the static terminal 4 cannot be normally disconnected due to torsion caused by uneven stress of the movable terminal 3 is reduced, and the stability of the service performance of the relay is ensured.
The movable terminal 3 is provided with two limiting arms 11 and a main piece 12 positioned between the two limiting arms 11, and the main piece 12 is provided with a movable contact for contacting and conducting the static terminal 4; the two catches 9 are respectively arranged on the two limit arms 11. By means of the split design of the main piece 12 and the limiting arm 11, the contact position of the push piece 7 and the movable terminal 3 is far away from the main piece 12, the situation that the push piece 7 is melted due to the fact that the temperature when the movable contact is communicated with the static terminal 4 is transmitted to the push piece 7 is avoided, and the service lives of the push piece 7 and the relay are prolonged.
The push piece 7 is provided with two supporting legs 13, the limiting arm 11 is provided with an auxiliary piece 111 and a limiting hook 112 formed by bending the auxiliary piece 111, the auxiliary piece 111 is positioned between the two supporting legs 13, and the limiting hook 112 is positioned above the push piece 7. In practical use, the sides of the two limiting hooks 112 away from each other respectively abut against the sides of the two supporting legs 13 close to each other, and the movable terminal 3 is limited by the push piece 7, so that the movable terminal 3 is prevented from moving back and forth relative to the push piece 7. The free end surface of the clamping part 9 is abutted against the bottom surface of the clamping groove 8, and the limiting hook 112 is abutted against the top surface of the push sheet 7, so that the movable terminal 3 is prevented from moving up and down relative to the push sheet 7. The side surfaces of the inner grooves at the left side and the right side of the clamping groove 8 are blocked and abutted against the clamping part 9, so that the movable terminal 3 is prevented from moving left and right relative to the push sheet 7.
The electromagnet 2 further comprises a yoke 14, clamping protrusions 15 are arranged on two sides, far away from each other, of the yoke 14, the elastic piece 6 is provided with two elastic lugs 16, the two elastic lugs 16 are arranged in parallel, each elastic lug 16 is provided with a buckling hole, each buckling hole penetrates through the corresponding elastic lug 16 along the thickness direction of the corresponding elastic lug 16, and the buckling holes of the two elastic lugs 16 are respectively used for accommodating the clamping protrusions 15 on two sides of the yoke 14. By means of the arrangement of the elastic lug buckles 16, the elastic piece 6 and the yoke 14 can be conveniently and rapidly installed or detached, and therefore the installation matching efficiency of the elastic piece 6 and the armature 5 is improved, and the assembly efficiency of the relay is improved.
The spring element 6 has a first spring arm 17, the first spring arm 17 having an arcuate bulge 18, the arcuate bulge 18 being intended to abut against the armature 5. When the electromagnet 2 is electrified, the electromagnet 2 drives the armature 5 to move by virtue of magnetic force, and the moving armature 5 pushes the first elastic arm 17 to generate elastic deformation. When the electromagnet 2 loses power, the electromagnet 2 picks up magnetic force, and the first elastic arm 17 drives the armature 5 to drive the push piece 7 to assist the moving terminal 3 to reset quickly by means of elastic restoring force, so that the moving terminal 3 and the static terminal 4 are disconnected quickly.
The push plate 7 has a limit hole 19 and a second elastic arm 21 extending into the limit hole 19, the second elastic arm 21 has an inclined guide surface 22, the armature 5 has a chuck part 51 accommodated in the limit hole 19, the second elastic arm 21 presses the chuck part 51 on the inner hole side surface of the limit hole 19, and the chuck part 51 is guided into the limit hole 19 through the inclined guide surface 22.
The card head part 51 is quickly inserted into the limiting hole 19 by the arrangement of the inclined guide surface 22, and the card head part 51 is pressed and limited on the inner hole side surface of the limiting hole 19 by the second elastic arm 21, so that the push sheet 7 and the armature 5 are stably limited together. By means of the elastic deformation characteristic of the second elastic arm 21, the push sheet 7 and the clamping head part 51 of the armature iron 5 can be conveniently and quickly separated, and the mounting efficiency and the dismounting efficiency of the push sheet 7 and the clamping head part are improved.
In addition, when the relay is subjected to external vibration or touch, the armature 5 is fixed by the push piece 7 through the stable installation and matching of the push piece 7 and the armature 5, so that the armature 5 cannot swing due to looseness to collide with an iron core of the electromagnet 2 or a yoke 14 of the electromagnet 2 to generate sound.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. An armature stable relay convenient for contact breaking comprises an insulator, an electromagnet arranged on the insulator and a terminal unit, wherein the terminal unit comprises a movable terminal and a fixed terminal arranged on the insulator, and the electromagnet drives the movable terminal to be in conductive contact with the fixed terminal or be separated from the fixed terminal and disconnected by virtue of magnetic force; the method is characterized in that: the armature is movably arranged on the insulator, the elastic piece is used for driving the armature to reset, and the armature acts on the movable terminal through the push piece; the push sheet is provided with a clamping groove, and the movable terminal is provided with a clamping part which extends into the clamping groove in a protruding mode; the electromagnet drives the armature to move under the action of magnetic force, and the moving armature drives the moving terminal to move through the push sheet.
2. An armature-stabilized relay for facilitating contact opening as claimed in claim 1, wherein: the two clamping grooves are positioned at two sides of the same end of the push sheet, which are far away from each other, and the clamping grooves are formed by being concavely arranged from the lower surface of the push sheet; the number of the clamping parts is two, the two clamping parts are respectively positioned at two ends of the movable terminal, which are far away from each other, and the two clamping parts are respectively inserted into the two clamping grooves.
3. An armature-stabilized relay for facilitating contact opening according to claim 2, wherein: the movable terminal is provided with two limiting arms and a main piece positioned between the two limiting arms, and the main piece is provided with a movable contact for contacting and conducting the static terminal; the two clamping parts are respectively arranged on the two limiting arms.
4. An armature-stabilized relay according to claim 3, wherein: the push piece is provided with two supporting legs, the limiting arm is provided with an auxiliary piece and a limiting hook formed by bending the auxiliary piece, the auxiliary piece is positioned between the two supporting legs, and the limiting hook is positioned above the push piece.
5. An armature-stabilized relay for facilitating contact opening as claimed in claim 1, wherein: the electromagnet further comprises a yoke, clamping protrusions are arranged on two sides, far away from each other, of the yoke, the elastic piece is provided with two elastic lug buckles, the elastic lug buckles are provided with buckling holes, and the buckling holes of the two elastic lug buckles are respectively used for accommodating the clamping protrusions on two sides of the yoke.
6. An armature-stabilized relay for facilitating contact opening as claimed in claim 1, wherein: the elastic piece is provided with a first elastic arm which is provided with an arc-shaped arched part, and the arc-shaped arched part is used for abutting against the armature.
7. An armature-stabilized relay for facilitating contact opening as claimed in claim 1, wherein: the push sheet is provided with a limiting hole and a second elastic arm extending into the limiting hole, the second elastic arm is provided with an inclined guide surface, the armature is provided with a clamping head part accommodated in the limiting hole, the second elastic arm presses and holds the clamping head part on the side surface of the inner hole of the limiting hole, and the clamping head part is guided into the limiting hole through the inclined guide surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309477.8U CN214672412U (en) | 2020-12-31 | 2020-12-31 | Armature stable relay convenient for contact breaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023309477.8U CN214672412U (en) | 2020-12-31 | 2020-12-31 | Armature stable relay convenient for contact breaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214672412U true CN214672412U (en) | 2021-11-09 |
Family
ID=78506310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023309477.8U Active CN214672412U (en) | 2020-12-31 | 2020-12-31 | Armature stable relay convenient for contact breaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214672412U (en) |
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2020
- 2020-12-31 CN CN202023309477.8U patent/CN214672412U/en active Active
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