CN216120088U - Contact relay - Google Patents
Contact relay Download PDFInfo
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- CN216120088U CN216120088U CN202122236875.XU CN202122236875U CN216120088U CN 216120088 U CN216120088 U CN 216120088U CN 202122236875 U CN202122236875 U CN 202122236875U CN 216120088 U CN216120088 U CN 216120088U
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- magnet
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- shell
- housing
- contact
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Abstract
The utility model discloses a contact relay, which comprises a shell, a panel, an arc baffle, a contact assembly and a magnet, wherein the panel is arranged in the shell, the arc baffle is arranged between the panel and the shell and extends to the panel from the inner wall of the shell so as to form a first containing cavity and a second containing cavity which are not communicated with each other between the panel and the shell, the contact assembly is arranged in the first containing cavity, and the magnet is arranged in the second containing cavity. The contact relay of this scheme forms the first appearance chamber and the second appearance chamber that do not communicate each other through keeping off the arc board with the interval between panel and the casing to the contact subassembly that will produce electric arc is located first appearance intracavity and is located the second with magnet and hold the intracavity, can effectively improve the problem that the high temperature of electric arc passed to on the magnet, can protect magnet better, thereby guarantees that magnet has better performance and prolongs the life of magnet.
Description
Technical Field
The utility model relates to the technical field of relays, in particular to a contact relay.
Background
The existing contact relay mainly blows the electric arc generated when the moving contact and the fixed contact are separated to two sides by generating a magnetic field through the additional magnet, and separates the magnet and the fixed contact through an arc baffle formed by extending the inner wall of the shell towards the panel, so that the magnetic field intensity of the magnet is prevented from being reduced due to the fact that the electric arc splashes to the high temperature generated on the magnet. However, the existing arc baffle plate usually only extends to the position where the stationary contact and the magnet are located, a certain distance is also formed between the arc baffle plate and the panel, and high temperature generated by electric arc is easily transmitted to the magnet along the distance between the arc baffle plate and the panel, so that the protection effect on the magnet is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome at least one of the above-mentioned defects in the prior art, the present invention is directed to provide a contact relay, so as to solve the problem of poor protection effect of the arc-blocking plate of the existing contact relay on the magnet.
The technical scheme adopted by the utility model for solving the problems is as follows:
a contact relay, comprising:
a housing;
a panel disposed within the housing;
the arc baffle is arranged between the panel and the shell and extends to the panel from the inner wall of the shell so as to form a first cavity and a second cavity which are not communicated with each other between the panel and the shell;
the contact assembly is arranged in the first containing cavity;
and the magnet is arranged in the second containing cavity.
Furthermore, the number of the contact assemblies is two, the two contact assemblies are arranged at intervals, the two magnets are respectively arranged on the outer extension line of the connecting line of the two contact assemblies;
the arc baffle is an annular arc baffle, the first cavity is formed by enclosing between the inner side of the arc baffle and the panel as well as the shell, and the second cavity is formed by enclosing between the outer side of the arc baffle and the panel as well as the shell.
Furthermore, the arc baffle and/or the position of the shell corresponding to the magnet are provided with a first mounting groove, and the magnet is mounted in the first mounting groove.
Furthermore, a magnetic conduction block is arranged between the magnet and the shell.
Furthermore, be equipped with first spacing arch on the magnetic conduction piece, first spacing arch butt in the face of orientation of magnet the panel to it is fixed magnet.
Further, a second mounting groove is formed in the shell, and the magnetic conduction block is mounted in the second mounting groove.
Furthermore, a second limiting protrusion is arranged on the shell corresponding to the magnetic conduction block, and the second limiting protrusion abuts against the magnetic conduction block to fix the magnetic conduction block.
Furthermore, the second limiting protrusion is provided with a guide surface for guiding the magnetic conduction block into the space between the second limiting protrusion and the magnet.
Furthermore, the shell comprises an upper shell and a lower shell which are connected in a folding mode, the panel is arranged between the upper shell and the lower shell, and the arc baffle is arranged between the panel and the upper shell and extends from the upper shell to the panel.
Further, the arc baffle and the shell are integrally formed.
In summary, the contact relay provided by the utility model has the following technical effects:
the contact relay comprises a shell, a panel, an arc baffle, a contact assembly and a magnet, wherein the panel is arranged in the shell, the arc baffle is arranged between the panel and the shell and extends to the panel from the inner wall of the shell so as to form a first containing cavity and a second containing cavity which are not communicated with each other between the panel and the shell, the contact assembly is arranged in the first containing cavity, and the magnet is arranged in the second containing cavity. The contact relay of this scheme forms the first appearance chamber and the second appearance chamber that do not communicate each other through keeping off the arc board with the interval between panel and the casing to the contact subassembly that will produce electric arc is located first appearance intracavity and is located the second with magnet and hold the intracavity, can effectively improve the problem that the high temperature of electric arc passed to on the magnet, can protect magnet better, thereby guarantees that magnet has better performance and prolongs the life of magnet.
Drawings
Fig. 1 is a schematic structural view of a contact relay according to an embodiment of the present invention;
fig. 2 is a sectional view of a contact relay of an embodiment of the present invention;
fig. 3 is a schematic structural view of a part of the structure of a contact relay according to an embodiment of the present invention;
fig. 4 is an exploded view of a part of the structure of the contact relay according to the embodiment of the present invention.
Wherein the reference numerals have the following meanings:
1. a housing; 11. an upper housing; 111. a second mounting groove; 112. a second limit bulge; 1121. a guide surface; 12. a lower housing; 2. a panel; 3. an arc baffle; 31. a first mounting groove; 4. a contact assembly; 5. a magnet; 6. a magnetic conduction block; 61. a first limit protrusion; a. a first cavity; b. a second cavity.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 to 4, the utility model discloses a contact relay, which comprises a shell 1, a panel 2, an arc baffle 3, a contact assembly 4 and a magnet 5, wherein the panel 2 is arranged in the shell 1, the arc baffle 3 is arranged between the panel 2 and the shell 1 and extends from the inner wall of the shell 1 to the panel 2, so that a first containing cavity a and a second containing cavity b which are not communicated with each other are formed between the panel 2 and the shell 1, the contact assembly 4 is arranged in the first containing cavity a, and the magnet 5 is arranged in the second containing cavity b.
The contact relay of this scheme holds chamber a and second through keeping off arc board 3 and form the first appearance chamber a that does not communicate each other with the interval between panel 2 and the casing 1 to locate first appearance intracavity a and hold the chamber b with magnet 5 in the second with the contact subassembly 4 that will produce electric arc, can effectively improve the problem on magnet 5 is passed to the high temperature of electric arc, can protect magnet 5 better, thereby guarantee that magnet 5 has better performance and extension magnet 5's life.
In some embodiments, the housing 1 includes an upper housing 11 and a lower housing 12 connected in an involution manner, the panel 2 is disposed between the upper housing 11 and the lower housing 12, and the arc baffle 3 is disposed between the panel 2 and the upper housing 11 and extends from the inner wall of the upper housing 11 to the panel 2, so that a first cavity a and a second cavity b which are not communicated with each other are formed between the panel 2 and the upper housing 11.
It is understood that in other preferred embodiments, the housing 1 may also be formed by joining the left housing 1 and the right housing 1 together, and the utility model is not limited thereto.
In some embodiments, the arc baffle 3 and the housing 1 are integrally formed. Due to the arrangement, on one hand, the arc baffle 3 and the shell 1 are integrally formed, so that the arc baffle 3 does not need to be manufactured independently, and the production process can be simplified; on the other hand, since the arc baffle 3 and the housing 1 are integrally formed, the arc baffle 3 is not required to be mounted and fixed, and the mounting process can be simplified.
As can be seen from the above, the housing 1 includes the upper housing 11 and the lower housing 12 connected together, the arc baffle 3 is disposed between the panel 2 and the upper housing 11 and extends from the inner wall of the upper housing 11 to the panel 2, that is, the arc baffle 3 and the upper housing 11 are integrally formed.
In some embodiments, there are two sets of contact assemblies 4, the two sets of contact assemblies 4 are spaced apart from each other, and accordingly, there are two magnets 5, the two magnets 5 are respectively disposed on the outer extension line of the connecting line of the two sets of contact assemblies 4, and the two magnets 5 respectively blow the electric arc generated by the two sets of contact assemblies 4 to both sides.
Further, the arc baffle 3 is an annular arc baffle, a first accommodating cavity a is formed by enclosing the inner side of the arc baffle 3, the panel 2 and the shell 1, and a second accommodating cavity b is formed by enclosing the outer side of the arc baffle 3, the panel 2 and the shell 1. So set up, an arc baffle 3 can realize two magnet 5 and two sets of contact subassembly 4 between isolated.
It can be understood that, in other preferred embodiments, two arc baffles 3 may also be adopted, two arc baffles 3 extend from the inner wall of the housing 1 to the panel 2, so that a first containing cavity a and two second containing cavities b which are not communicated with each other are formed between the panel 2 and the housing 1, and the two magnets 5 are respectively arranged in the two containing cavities, which is not limited herein.
In some embodiments, in order to achieve the positioning and installation of the magnet 5, a first installation groove 31 is provided on the arc baffle 3 and/or the housing 1 at a position corresponding to the magnet 5, and the magnet 5 is installed in the first installation groove 31. Wherein, the position that corresponds magnet 5 on arc baffle 3 and/or the casing 1 is equipped with first mounting groove 31 and specifically includes following three kinds of circumstances: be equipped with first mounting groove 31 on the arc board 3, be equipped with first mounting groove 31 on the casing 1 or arc board 3 and casing 1 are formed with first mounting groove 31 jointly. The present embodiment exemplifies the case where the arc baffle 3 is formed with the first mounting groove 31.
In some embodiments, in order to increase the magnetic field intensity, a magnetic conduction block 6 is further arranged between the magnet 5 and the housing 1, the magnetic conduction block 6 is specifically an iron block, and since the magnetic domain of the iron block is arranged along the magnetic field line under the action of the magnetic field, the iron block itself can be regarded as the magnet 5, which can increase the magnetic flux of arc blowing, thereby improving the arc blowing effect, accelerating the speed of the electric arc, and realizing arc extinction as fast as possible.
Specifically, since the arc baffle 3 is disposed on the upper case 11 and the magnet 5 is disposed on the arc baffle 3, that is, the magnetic conductive block 6 is disposed between the upper case 11 and the magnet.
Further, since the cost of the iron block is much lower than that of the magnet 5 in view of cost, it is preferable that the volume size of the iron block as the magnetic conductive block 6 is larger than that of the magnet 5 itself.
In some embodiments, the magnetic conducting block 6 is provided with a first limiting protrusion 61, and the first limiting protrusion 61 abuts against the surface of the magnet 5 facing the panel 2 to fix the magnet 5. So set up, owing to need not set up extra mounting and can realize the fixed of magnet 5, be favorable to saving the part of contact relay to simplify the structure of contact relay.
In some embodiments, in order to realize the positioning and installation of the magnetic conducting block 6, the housing 1 is provided with a second installation groove 111, and the magnetic conducting block 6 is installed in the second installation groove 111. As can be seen from the above, the magnetic conductive block 6 is disposed between the upper casing 11 and the magnet, that is, the second mounting groove 111 is disposed on the magnetic conductive block 6 on the upper casing 11, so that the magnetic conductive block 6 can be mounted on the upper casing 11.
In some embodiments, a second limiting protrusion 112 is disposed on the casing 1 at a position corresponding to the magnetic conductive block 6, and the second limiting protrusion 112 abuts against the magnetic conductive block 6 to fix the magnetic conductive block 6. So set up, owing to need not set up extra mounting and can realize the fixed of magnetic conduction piece 6, be favorable to saving the part of contact relay to simplify the structure of contact relay.
Specifically, because magnetic conduction block 6 is installed in second mounting groove 111, also in second mounting groove 111 is located to spacing arch 112 of second, magnetic conduction block 6 is at the spacing arch 112 of the in-process extrusion second that gets into the mounting groove for magnetic conduction block 6 is installed behind second mounting groove 111, and spacing arch 112 butt of second is in magnetic conduction block 6, thereby is fixed in second mounting groove 111 with magnetic conduction block 6 on.
Further, in order to facilitate the installation of the magnetic conduction block 6 in the second installation groove 111, the second limiting protrusion 112 can be extruded, and the second limiting protrusion 112 is provided with a guide surface 1121 for guiding the magnetic conduction block 6 into the space between the second limiting protrusion 112 and the magnet 5, so that the magnetic conduction block 6 can be smoothly clamped between the second limiting protrusion 112 and the magnet 5.
The mounting process of the magnet 5 and the magnetic conductive block 6 will be described in detail below.
Firstly, install the magnet on first mounting groove 31, magnetic conduction block 6 is in the in-process of entering into and installing the second dress groove, along guide surface 1121 card go into between second spacing arch 112 and magnet 5, so that magnetic conduction block 6 can block smoothly between second spacing arch 112 and magnet 5, in order to realize fixing of magnetic conduction block 6, and, because magnetic conduction block 6 installs in second mounting groove 111 after completely, first spacing arch 61 butt in the face towards panel 2 of magnet 5 on the magnetic conduction block 6, in order to realize fixing of magnet 5, thereby with magnetic conduction block 6 and magnet 5 all fixed with keep off between arc plate 3 and the last casing 11.
To sum up, the contact relay provided by the utility model comprises a shell 1, a panel 2, an arc baffle 3, a contact assembly 4 and a magnet 5, wherein the panel 2 is arranged in the shell 1, the arc baffle 3 is arranged between the panel 2 and the shell 1 and extends to the panel 2 from the inner wall of the shell 1 so as to form a first containing cavity a and a second containing cavity b which are not communicated with each other between the panel 2 and the shell 1, the contact assembly 4 is arranged in the first containing cavity a, and the magnet 5 is arranged in the second containing cavity b. The contact relay of this scheme holds chamber a and second through keeping off arc board 3 and form the first appearance chamber a that does not communicate each other with the interval between panel 2 and the casing 1 to locate first appearance intracavity a and hold the chamber b with magnet 5 in the second with the contact subassembly 4 that will produce electric arc, can effectively improve the problem on magnet 5 is passed to the high temperature of electric arc, can protect magnet 5 better, thereby guarantee that magnet 5 has better performance and extension magnet 5's life.
The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (10)
1. A contact relay, comprising:
a housing (1);
the panel (2), the said panel (2) locates in the said body (1);
the arc baffle (3) is arranged between the panel (2) and the shell (1) and extends to the panel (2) from the inner wall of the shell (1), so that a first containing cavity (a) and a second containing cavity (b) which are not communicated with each other are formed between the panel (2) and the shell (1);
the contact assembly (4) is arranged in the first cavity (a);
and the magnet (5) is arranged in the second accommodating cavity (b).
2. The contact relay according to claim 1, wherein the contact assemblies (4) are arranged in two groups, two groups of the contact assemblies (4) are arranged at intervals, the magnets (5) are arranged in two groups, and the two magnets (5) are respectively arranged on the outer extension line of the connecting line of the two groups of the contact assemblies (4);
the arc baffle (3) is an annular arc baffle, the inner side of the arc baffle (3) is surrounded with the panel (2) and the shell (1) to form the first cavity (a), and the outer side of the arc baffle (3) is surrounded with the panel (2) and the shell (1) to form the second cavity (b).
3. The contact relay according to claim 1, wherein a first mounting groove (31) is provided on the arc baffle (3) and/or the housing (1) at a position corresponding to the magnet (5), and the magnet (5) is mounted in the first mounting groove (31).
4. The contact relay according to claim 1, characterized in that a magnetically conductive block (6) is further provided between the magnet (5) and the housing (1).
5. The contact relay according to claim 4, wherein a first limiting protrusion (61) is arranged on the magnetic conductive block (6), and the first limiting protrusion (61) abuts against the surface of the magnet (5) facing the panel (2) to fix the magnet (5).
6. The contact relay according to claim 4, characterized in that a second mounting groove (111) is provided on the housing (1), and the magnetic conductive block (6) is mounted in the second mounting groove (111).
7. The contact relay according to claim 4, wherein a second limiting protrusion (112) is disposed on the housing (1) at a position corresponding to the magnetic conductive block (6), and the second limiting protrusion (112) abuts against the magnetic conductive block (6) to fix the magnetic conductive block (6).
8. The contact relay according to claim 7, wherein the second limiting protrusion (112) is provided with a guide surface (1121) for guiding the magnetic conductive block (6) between the second limiting protrusion (112) and the magnet (5).
9. The contact relay according to any one of claims 1 to 8, wherein the housing (1) comprises an upper housing (11) and a lower housing (12) which are connected in a butt joint manner, the panel (2) is arranged between the upper housing (11) and the lower housing (12), and the arc baffle (3) is arranged between the panel (2) and the upper housing (11) and extends from the upper housing (11) to the panel (2).
10. The contact relay according to any of claims 1 to 8, characterized in that the arc baffle (3) and the housing (1) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122236875.XU CN216120088U (en) | 2021-09-15 | 2021-09-15 | Contact relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122236875.XU CN216120088U (en) | 2021-09-15 | 2021-09-15 | Contact relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216120088U true CN216120088U (en) | 2022-03-22 |
Family
ID=80733777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122236875.XU Active CN216120088U (en) | 2021-09-15 | 2021-09-15 | Contact relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216120088U (en) |
-
2021
- 2021-09-15 CN CN202122236875.XU patent/CN216120088U/en active Active
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