CN215118779U - Compact magnetic latching relay with arc extinguishing function - Google Patents
Compact magnetic latching relay with arc extinguishing function Download PDFInfo
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- CN215118779U CN215118779U CN202121601464.XU CN202121601464U CN215118779U CN 215118779 U CN215118779 U CN 215118779U CN 202121601464 U CN202121601464 U CN 202121601464U CN 215118779 U CN215118779 U CN 215118779U
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Abstract
A compact magnetic latching relay with an arc extinguishing function comprises a shell component, an electromagnetic component, an armature, a sliding block, a moving contact component and a static contact component; the shell component comprises a base and a cover plate arranged opposite to the base; a first metal arc-extinguishing grid is arranged on one side, away from the cover plate, of the moving contact and the static contact in the base, and a second metal arc-extinguishing grid is arranged on one side, away from the base, of the moving contact and the static contact in the cover plate; the base is provided with a plurality of first clamping convex ribs in a protruding mode on one side, far away from the cover plate, of the moving contact and the fixed contact, and the first metal arc-extinguishing grid is located between the two first clamping convex ribs; the cover plate is provided with a plurality of second clamping convex ribs in a protruding mode on one side, far away from the base, of the moving contact and the static contact, and the second metal arc extinguishing grid is located between the two second clamping convex ribs. Set up protruding muscle on base and apron, directly inlay first metal arc extinguishing grid or second metal arc extinguishing grid and locate between two protruding muscle, need not extra arc-extinguishing chamber, so compact structure just has the arc extinguishing function.
Description
Technical Field
The utility model relates to a relay product technical field, especially a compact magnetic latching relay with arc extinguishing function.
Background
The open/close state of the contact of the magnetic latching relay is normally held by the magnetic force generated by the permanent magnet. When the contact of the relay needs to be in an open or close state, the relay only needs to excite the coil by positive (negative) direct current pulse voltage, and the relay completes the state conversion of opening and closing instantly. An arc extinguishing mechanism is not arranged at a position close to a moving contact and a static contact of the existing magnetic latching relay, if an arc extinguishing function needs to be added, an arc extinguishing bar assembly needs to be arranged in a shell, and the size of the arc extinguishing bar assembly is large, so that the size of the magnetic latching relay is greatly increased, the size specification is influenced, and the structure is not compact, for example, the electromagnetic relay with the arc extinguishing function disclosed by Chinese patent CN 212848112U.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a need not extra arc-extinguish chamber, compact structure and have the compact magnetic latching relay of arc extinguishing function to solve above-mentioned problem.
A compact magnetic latching relay with an arc extinguishing function comprises a shell assembly, an electromagnetic assembly, an armature, a sliding block, a moving contact assembly and a static contact assembly, wherein the electromagnetic assembly is positioned in the shell assembly; the movable contact assembly is provided with a movable contact terminal and a movable contact spring connected with the movable contact terminal, and one side of the movable contact spring, which faces the fixed contact assembly, is provided with a movable contact; the static contact component comprises a static contact terminal and a static contact arranged on one side of the static contact terminal facing the movable reed; the shell component comprises a base and a cover plate arranged opposite to the base; a first metal arc-extinguishing grid is arranged on one side, away from the cover plate, of the moving contact and the static contact in the base, and a second metal arc-extinguishing grid is arranged on one side, away from the base, of the moving contact and the static contact in the cover plate; the base is provided with a plurality of first clamping convex ribs which are parallel to each other in a protruding mode on one side, away from the cover plate, of the moving contact and the fixed contact, a first clamping groove is formed between every two adjacent first clamping convex ribs, the first metal arc extinguishing grid comprises a plurality of first metal blocks which are arranged in parallel, and one side of each first metal block is embedded in the corresponding first clamping groove; the cover plate is provided with a plurality of second clamping convex ribs which are parallel to each other in a protruding mode on one side, far away from the base, of the moving contact and the static contact, a second clamping groove is formed between every two adjacent second clamping convex ribs, the second metal arc extinguishing grid comprises a plurality of second metal blocks which are arranged in parallel, and one side of each second metal block is embedded in the corresponding second clamping groove.
Furthermore, two first limiting convex ribs are arranged between two adjacent first clamping convex ribs at intervals, and the first metal block is located between two adjacent first clamping convex ribs and two first limiting convex ribs.
Furthermore, two second limiting convex ribs are arranged between two adjacent second clamping convex ribs at intervals, and the second metal block is located between two adjacent second clamping convex ribs and the two second limiting convex ribs.
Further, the first metal block and the second metal block are both magnetic metal blocks.
Furthermore, a plurality of air passing grooves are formed in the two sides of the first metal block and the second metal block in a concave mode.
Furthermore, the static contact assembly is positioned on one side, away from the electromagnetic assembly, of the moving contact assembly.
Furthermore, a first partition plate is arranged between the movable contact assembly and the electromagnetic assembly in the base.
Furthermore, a second partition plate is arranged on one side of the cover plate, which faces the base, between the movable contact assembly and the electromagnetic assembly.
Compared with the prior art, the compact magnetic latching relay with the arc extinguishing function comprises a shell component, an electromagnetic component, an armature, a slider, a movable contact component and a static contact component, wherein the electromagnetic component is positioned in the shell component; the movable contact assembly is provided with a movable contact terminal and a movable contact spring connected with the movable contact terminal, and one side of the movable contact spring, which faces the fixed contact assembly, is provided with a movable contact; the static contact component comprises a static contact terminal and a static contact arranged on one side of the static contact terminal facing the movable reed; the shell component comprises a base and a cover plate arranged opposite to the base; a first metal arc-extinguishing grid is arranged on one side, away from the cover plate, of the moving contact and the static contact in the base, and a second metal arc-extinguishing grid is arranged on one side, away from the base, of the moving contact and the static contact in the cover plate; the base is provided with a plurality of first clamping convex ribs which are parallel to each other in a protruding mode on one side, away from the cover plate, of the moving contact and the fixed contact, a first clamping groove is formed between every two adjacent first clamping convex ribs, the first metal arc extinguishing grid comprises a plurality of first metal blocks which are arranged in parallel, and one side of each first metal block is embedded in the corresponding first clamping groove; the cover plate is provided with a plurality of second clamping convex ribs which are parallel to each other in a protruding mode on one side, far away from the base, of the moving contact and the static contact, a second clamping groove is formed between every two adjacent second clamping convex ribs, the second metal arc extinguishing grid comprises a plurality of second metal blocks which are arranged in parallel, and one side of each second metal block is embedded in the corresponding second clamping groove. Set up protruding muscle on base and apron, directly inlay first metal arc extinguishing grid or second metal arc extinguishing grid and locate between two protruding muscle, need not extra arc-extinguishing chamber, so compact structure just has the arc extinguishing function.
Drawings
Embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is the utility model provides a compact magnetic latching relay's with arc extinguishing function split schematic diagram.
Fig. 2 is a schematic diagram of the cover plate and the second metal arc-extinguishing grid of fig. 1 being separated from each other.
Fig. 3 is a schematic exploded view of the base and the first metal arc chute of fig. 1.
Fig. 4 is a cross-sectional view of the compact magnetic latching relay with arc extinguishing function provided by the present invention.
Detailed Description
The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1 to 4, the compact magnetic latching relay with arc extinguishing function according to the present invention includes a housing assembly, an electromagnetic assembly 20, an armature 30, a slider 40, a movable contact assembly 50, and a stationary contact assembly 60.
The solenoid assembly 20 is positioned within the housing assembly with the armature 30 rotationally positioned on one side of the solenoid assembly 20; one end of the sliding block 40 is connected with the armature 30, and the other end is connected with the movable contact assembly 50; the fixed contact assembly 60 is disposed at one side of the movable contact assembly 50.
In this embodiment, the fixed contact assembly 60 is located on a side of the movable contact assembly 50 away from the electromagnet assembly 20.
The housing assembly includes a base 11 and a cover 12 disposed opposite to the base 11.
The moving contact component 50 has a moving contact terminal and a moving contact spring connected with the moving contact terminal, and a moving contact is arranged on one side of the moving contact spring facing the static contact component 60; the static contact component 60 includes a static contact terminal and a static contact disposed on one side of the static contact terminal facing the movable reed. The structure of the moving contact assembly 50 and the static contact assembly 60 are all the existing mature technologies.
A first metal arc-extinguishing grille 71 is arranged on one side of the base 11, which is far away from the cover plate 12, of the moving contact and the static contact, and a second metal arc-extinguishing grille 72 is arranged on one side of the cover plate 12, which is far away from the base 11, of the moving contact and the static contact.
The base 11 is provided with a plurality of first clamping convex ribs 111 parallel to each other in a protruding manner on one side of the moving contact and the static contact far away from the cover plate 12, a first clamping groove 112 is formed between two adjacent first clamping convex ribs 111, and two first limiting convex ribs 113 are arranged between two adjacent first clamping convex ribs 111 at intervals.
The first metal arc-extinguishing grille 71 comprises a plurality of first metal blocks arranged in parallel, one side of each first metal block is embedded in the first clamping groove 112 and is positioned between two adjacent first clamping convex ribs 111 and two first limiting convex ribs 113.
The cover plate 12 is provided with a plurality of second clamping convex ribs 121 parallel to each other in a protruding manner on one side of the moving contact and the static contact far away from the base 11, a second clamping groove 122 is formed between two adjacent second clamping convex ribs 121, and two second limiting convex ribs 123 are arranged between two adjacent second clamping convex ribs 121 at intervals.
The second metal arc-extinguishing grille 72 includes a plurality of second metal blocks arranged in parallel, one side of the second metal block is embedded in the second slot 122, and is located between two adjacent second clamping convex ribs 121 and two second limiting convex ribs 123.
The outer side wall of the base 11 is concavely provided with a connecting groove 114, and a clamping convex block 115 is convexly arranged in the connecting groove 114; a connecting piece 124 is protrudingly provided at a position of the circumferential edge of the cover plate 12 corresponding to the connecting groove 114 toward the base 11, and a clip interface 125 is opened in the connecting piece 124. When the cover plate 12 is connected to the base 11, the connecting piece 124 is located in the connecting groove 114, and the clamping protrusion 115 is located in the clamping interface 125, so that the cover plate 12 is clamped to the base 11.
The first metal blocks and the second metal blocks are not in contact with the movable contact assembly 50 and the fixed contact assembly 60.
The first metal block and the second metal block are both magnetic metal blocks, and a plurality of air passing grooves 73 are further formed in the two sides of the first metal block and the two sides of the second metal block in a concave mode.
The first metal arc-extinguishing grid 71 and the second metal arc-extinguishing grid 72 adopt the short arc-extinguishing principle, the metal sheet made of magnetic material is placed in the electric arc to divide the electric arc into a plurality of short arcs, and the purpose of extinguishing the electric arc is achieved by utilizing the near-cathode effect of the alternating current electric arc and the near-pole voltage drop of the direct current electric arc.
A first partition 116 is disposed in the base 11 between the movable contact assembly 50 and the electromagnetic assembly 20, and a second partition 126 is disposed between the movable contact assembly 50 and the electromagnetic assembly 20 on a side of the cover plate 12 facing the base 11. The first partition 116 cooperates with the second partition 126 to isolate the movable contact assembly 50 from the solenoid assembly 20 to prevent arcing from damaging the solenoid assembly 20.
Compared with the prior art, the compact magnetic latching relay with the arc extinguishing function comprises a shell component, an electromagnetic component 20 positioned in the shell component, an armature 30 rotatably positioned on one side of the electromagnetic component 20, a slider 40 with one end connected with the armature 30, a movable contact component 50 connected with the other end of the slider 40, and a static contact component 60 arranged on one side of the movable contact component 50; the moving contact component 50 has a moving contact terminal and a moving contact spring connected with the moving contact terminal, and a moving contact is arranged on one side of the moving contact spring facing the static contact component 60; the static contact component 60 includes a static contact terminal and a static contact disposed on one side of the static contact terminal facing the movable reed; the shell component comprises a base 11 and a cover plate 12 arranged opposite to the base 11; a first metal arc-extinguishing grid 71 is arranged on one side of the movable contact and the fixed contact far away from the cover plate 12 in the base 11, and a second metal arc-extinguishing grid 72 is arranged on one side of the cover plate 12 far away from the base 11; a plurality of first clamping convex ribs 111 which are parallel to each other are convexly arranged on one side, away from the cover plate 12, of the moving contact and the static contact of the base 11, a first clamping groove 112 is formed between two adjacent first clamping convex ribs 111, the first metal arc-extinguishing grille 71 comprises a plurality of first metal blocks which are arranged in parallel, and one side of each first metal block is embedded in the first clamping groove 112; the cover plate 12 is provided with a plurality of second clamping convex ribs 121 parallel to each other in a protruding manner on one side of the moving contact and the static contact far away from the base 11, a second clamping groove 122 is formed between two adjacent second clamping convex ribs 121, the second metal arc-extinguishing grille 72 comprises a plurality of second metal blocks arranged in parallel, and one side of each second metal block is embedded in the second clamping groove 122. Set up protruding muscle on base 11 and apron 12, directly inlay first metal arc extinguishing grid 71 or second metal arc extinguishing grid 72 and locate between two protruding muscle, need not extra arc extinguishing chamber, so compact structure just has the arc extinguishing function.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (8)
1. The utility model provides a compact magnetic latching relay with arc extinguishing function which characterized in that: the electromagnetic contactor comprises a shell assembly, an electromagnetic assembly, an armature, a sliding block, a moving contact assembly and a static contact assembly, wherein the electromagnetic assembly is positioned in the shell assembly; the movable contact assembly is provided with a movable contact terminal and a movable contact spring connected with the movable contact terminal, and one side of the movable contact spring, which faces the fixed contact assembly, is provided with a movable contact; the static contact component comprises a static contact terminal and a static contact arranged on one side of the static contact terminal facing the movable reed; the shell component comprises a base and a cover plate arranged opposite to the base; a first metal arc-extinguishing grid is arranged on one side, away from the cover plate, of the moving contact and the static contact in the base, and a second metal arc-extinguishing grid is arranged on one side, away from the base, of the moving contact and the static contact in the cover plate; the base is provided with a plurality of first clamping convex ribs which are parallel to each other in a protruding mode on one side, away from the cover plate, of the moving contact and the fixed contact, a first clamping groove is formed between every two adjacent first clamping convex ribs, the first metal arc extinguishing grid comprises a plurality of first metal blocks which are arranged in parallel, and one side of each first metal block is embedded in the corresponding first clamping groove; the cover plate is provided with a plurality of second clamping convex ribs which are parallel to each other in a protruding mode on one side, far away from the base, of the moving contact and the static contact, a second clamping groove is formed between every two adjacent second clamping convex ribs, the second metal arc extinguishing grid comprises a plurality of second metal blocks which are arranged in parallel, and one side of each second metal block is embedded in the corresponding second clamping groove.
2. The compact magnetic latching relay with arc extinguishing function according to claim 1, characterized in that: two first spacing protruding muscle are provided with the interval between two adjacent first joint protruding muscle, and first metal block is located between two adjacent first joint protruding muscle and two first spacing protruding muscle.
3. The compact magnetic latching relay with arc extinguishing function according to claim 1, characterized in that: two second limiting convex ribs are arranged between the two adjacent second clamping convex ribs at intervals, and the second metal block is located between the two adjacent second clamping convex ribs and the two second limiting convex ribs.
4. The compact magnetic latching relay with arc extinguishing function according to claim 1, characterized in that: the first metal block and the second metal block are both magnetic metal blocks.
5. The compact magnetic latching relay with arc extinguishing function according to claim 4, characterized in that: and a plurality of air passing grooves are also concavely arranged on two sides of the first metal block and the second metal block.
6. The compact magnetic latching relay with arc extinguishing function according to claim 1, characterized in that: the static contact assembly is positioned on one side of the moving contact assembly, which is far away from the electromagnetic assembly.
7. The compact magnetic latching relay with arc extinguishing function according to claim 6, characterized in that: a first partition plate is arranged between the moving contact component and the electromagnetic component in the base.
8. The compact magnetic latching relay with arc extinguishing function according to claim 6, characterized in that: and a second partition plate is arranged on one side of the cover plate facing the base between the moving contact component and the electromagnetic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121601464.XU CN215118779U (en) | 2021-07-14 | 2021-07-14 | Compact magnetic latching relay with arc extinguishing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121601464.XU CN215118779U (en) | 2021-07-14 | 2021-07-14 | Compact magnetic latching relay with arc extinguishing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215118779U true CN215118779U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121601464.XU Active CN215118779U (en) | 2021-07-14 | 2021-07-14 | Compact magnetic latching relay with arc extinguishing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215118779U (en) |
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2021
- 2021-07-14 CN CN202121601464.XU patent/CN215118779U/en active Active
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