CN219040355U

CN219040355U - Double-layer structure relay

Info

Publication number: CN219040355U
Application number: CN202320126993.1U
Authority: CN
Inventors: 饶云飞; 苗建峰; 彭贵斌
Original assignee: Hunan Sanyi Seiko Technology Co ltd
Current assignee: Hunan Sanyi Seiko Technology Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-16
Anticipated expiration: 2033-01-13

Abstract

The utility model provides a bilayer structure formula relay, relates to relay technical field, and it includes the box body, the front side of box body is opened and its middle part level is provided with main baffle, the rear end of main baffle is connected with the rear side internal wall face of box body and the left and right sides end of main baffle all is equipped with the interval with the inside wall of box body, main baffle is last cavity and lower cavity with box body internal partition, the cavity is equipped with solenoid down, it is equipped with movable contact subassembly and stationary contact subassembly to go up the cavity, one side of solenoid is equipped with armature, thereby armature extends to go up the cavity and connects movable contact subassembly by lower cavity, thereby solenoid can produce effort to armature swing, and then makes movable contact subassembly and stationary contact subassembly realize contacting. The utility model can effectively reduce the electric arc influence of the electromagnetic coil.

Description

Double-layer structure relay

Technical Field

The utility model relates to the technical field of relays, in particular to a double-layer structure type relay.

Background

The electromagnetic relay is a control element which realizes the closing and opening of the movable contact and the static contact by utilizing the interaction and relative movement of the electromagnetic coil and the armature under the action of a driving control signal, so as to realize the closing and opening of a circuit, and can still keep a closed or open state after the driving control signal disappears.

In the existing electromagnetic relay structure, the structures of all parts are compact, so that electric arcs generated when a movable contact and a fixed contact are in contact are easily and directly transferred to an electromagnetic coil, and the electromagnetic coil is in burning risk.

Disclosure of Invention

The utility model aims to provide a double-layer structure type relay, which is used for reducing the arc influence on an electromagnetic coil.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a bilayer structure formula relay, includes the box body, the front side of box body is opened and its middle level is provided with main baffle, the rear end of main baffle is connected and the left and right sides end of main baffle all is equipped with the interval with the inside wall of box body with the rear side internal wall face of box body, main baffle is last cavity and lower cavity with box body internal partition, the cavity is equipped with solenoid down, it is equipped with movable contact subassembly and stationary contact subassembly to go up the cavity, one side of solenoid is equipped with armature, thereby armature extends to the upper cavity by lower cavity and connects movable contact subassembly, thereby solenoid can produce effort to armature and make armature swing, and then makes movable contact subassembly and stationary contact subassembly realize the contact.

Preferably, a fixed plate is installed respectively at both ends about solenoid, is located the left end face of solenoid left side fixed plate and installs the electromagnetic sheet, solenoid's top is equipped with a metal sheet and the both ends of metal sheet are connected with the fixed plate of corresponding one side respectively, the upper portion of armature supports and leans on in the left end of metal sheet, the upper end of armature is connected with the middle part of metal sheet through the extension spring under the effect of extension spring, the lower extreme of armature can keep away from the electromagnetic sheet.

More preferably, the movable contact assembly includes a spring connected to an upper end of the armature, a moving plate mounted to a right end of the spring, and two movable contacts mounted to the moving plate at a distance.

More preferably, the right inner wall of the box body above the main partition board is also connected with an auxiliary partition board, the left end of the auxiliary partition board extends to the middle of the box body, when the electromagnetic coil is installed in the box body, the metal plate is inserted between the main partition board and the auxiliary partition board, and the movable contact point assembly is located above the auxiliary partition board.

More preferably, the stationary contact assembly comprises two stationary blades which are arranged independently of each other, the lower part of the stationary blade is positioned in the box body and is connected with a stationary contact, and the upper end of the stationary blade penetrates out of the box body upwards.

More preferably, the static plate is L-shaped, two supporting convex strips are arranged in the box body, an opening is arranged at the upper part of the rear side surface of the box body, and the static plate can be inserted into the box body from the front side or the rear side of the box body and is clamped between the supporting convex strips and the top surface of the box body.

More preferably, the front end and the rear end of the fixing plate at the left side of the electromagnetic coil are respectively connected with a supporting plate, the supporting plates are internally provided with conductive clamping pieces, the conductive clamping pieces are electrically connected with the electromagnetic coil, two pins are inserted into the top of the box body, and the bottom ends of the pins extend into the box body and are inserted into the corresponding conductive clamping pieces so as to be electrically connected with the conductive clamping pieces.

More preferably, a notch for avoiding the armature is formed in the lower portion of the left side wall of the box body.

More preferably, the upper part of the right side wall of the box body is provided with a containing groove corresponding to the position of the upper cavity, and a magnet is placed in the containing groove.

More preferably, the cartridge is placed in an open-top outer housing.

The electromagnetic coil is separated from the movable contact assembly and the stationary contact assembly through the main partition board, so that an electric arc generated when the movable contact is contacted with the stationary contact is difficult to transfer to the electromagnetic coil, and the influence of the electric arc on the electromagnetic coil is greatly reduced.

Drawings

FIG. 1 is a schematic view showing the overall structure of the inside of the case according to the embodiment of the present utility model

FIG. 2 is a schematic view of the front side structure of the case according to the embodiment;

FIG. 3 is a schematic diagram of an embodiment of a solenoid, armature, and moving contact assembly;

FIG. 4 is a schematic illustration of the structure of FIG. 3 as the armature swings to raise the movable contact assembly;

FIG. 5 is a schematic top view of FIG. 4;

FIG. 6 is a schematic top view of the structure of FIG. 1;

fig. 7 is a schematic view of the structure of the stationary contact assembly in the embodiment;

FIG. 8 is a schematic diagram of a structure of a pin according to an embodiment;

FIG. 9 is a left side schematic view of FIG. 1;

FIG. 10 is a right side schematic view of FIG. 1;

fig. 11 is a schematic view of the structure shown in fig. 1 when it is incorporated into an outer case.

In the figure:

1-box 2-main partition 3-electromagnetic coil

4-armature 5-fixed plate 6-electromagnetic sheet

7-Metal plate 8-tension spring 9-Reed

10-moving plate 11-moving contact 12-auxiliary partition board

13-static sheet 14-static contact 15-supporting raised line

16-supporting plate 17-conductive clamping piece 18-pin

19-notch 20-holding groove 21-outer shell.

Description of the embodiments

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, unless explicitly stated and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact through additional features therebetween.

As shown in fig. 1 to 2, the double-layer structure type relay comprises a box body 1, the front side of the box body 1 is opened and the middle part level is provided with a main baffle 2, the rear end of the main baffle 2 is connected with the rear side inner wall surface of the box body 1, the left and right sides end of the main baffle 2 and the inner side wall of the box body 1 are all provided with intervals, the main baffle 2 divides the interior of the box body 1 into an upper chamber and a lower chamber, the lower chamber is provided with an electromagnetic coil 3, the upper chamber is provided with a movable contact assembly and a stationary contact assembly, one side of the electromagnetic coil 3 is provided with an armature 4, the armature 4 extends from the lower chamber to the upper chamber and is connected with the movable contact assembly, and the electromagnetic coil 3 can generate acting force on the armature 4 so as to enable the armature 4 to swing, and further enable the movable contact assembly to be in contact with the stationary contact assembly.

In the above-described structure, as shown in fig. 3, a fixing plate 5 is respectively mounted at the left and right ends of the electromagnetic coil 3, an electromagnetic sheet 6 is mounted on the left end face of the fixing plate 5 located at the left side of the electromagnetic coil 3, a metal plate 7 is disposed above the electromagnetic coil 3, both ends of the metal plate 7 are respectively connected with the fixing plate 5 corresponding to one side, the upper portion of the armature 4 abuts against the left end of the metal plate 7, the upper end of the armature 4 is connected with the middle portion of the metal plate 7 through a tension spring 8, and the lower end of the armature 4 can be kept away from the electromagnetic sheet 6 under the action of the tension spring 8. It can be seen that the structure shown in fig. 3 can actually be an integral body, and this integral body can be directly clamped into the box body 1 from the front side of the box body 1 during assembly, so that the assembly is very convenient.

As for the specific structure of the movable contact assembly and the stationary contact assembly, as shown in fig. 5, the movable contact assembly includes a spring 9 connected to the upper end of the armature 4, a moving plate 10 installed at the right end of the spring 9, and two movable contacts 11 installed at intervals on the moving plate 10; as shown in fig. 7, the stationary contact assembly includes two stationary plates 13 that are independently disposed, the lower portion of the stationary plate 13 is located in the case 1 and connected with a stationary contact 14, and the upper end of the stationary plate 13 passes through the case 1.

Wherein, the inner wall of box body 1 right side that is located main baffle 2 top still is connected with vice baffle 12, and the left end of vice baffle 12 extends to the middle part of box body 1, and when solenoid 3 loaded in box body 1, metal sheet 7 inserts between main baffle 2 and the vice baffle 12, and the movable contact assembly is located the top of vice baffle 12, through the setting of vice baffle 12, has further reduced the risk that the electric arc that produces of movable contact 11 and stationary contact 14 contact flows to solenoid 3 position. The static plate 13 is L-shaped, two supporting ribs 15 are provided in the box body 1, an opening is provided at the upper part of the rear side of the box body 1, the static plate 13 can be inserted into the box body 13 from the front side or the rear side of the box body 1 and the lower part thereof is clamped between the supporting ribs 15 and the top surface of the box body 1 (as shown in fig. 1), and the structure of this form can facilitate the assembly of the static contact assembly.

For the purpose of introducing current to the electromagnetic coil 3, the front end and the rear end of the fixing plate 5 positioned on the left side of the electromagnetic coil 3 are respectively connected with a supporting plate 16, the supporting plates 16 are internally provided with conductive clamping pieces 17, the conductive clamping pieces 17 are electrically connected with the electromagnetic coil 3, the top of the box body 1 is inserted with two pins 18, and the bottom ends of the pins 18 extend into the corresponding conductive clamping pieces 17 in the box body 1 so as to be electrically connected with the conductive clamping pieces 17. The structure of the pin 18 is shown in fig. 8, one end of the pin can be inserted into the box body 1, the middle part of the pin can be abutted against the top surface of the box body 1, and a plurality of positioning holes can be formed in the middle part of the pin to match with positioning protruding points (shown in fig. 6) formed on the top surface of the box body 1, so that the assembly stability of the pin 18 is improved.

In addition, as shown in fig. 9, a notch 19 for avoiding the armature 4 is formed in the lower portion of the left side wall of the case 1. Meanwhile, as shown in fig. 10, the upper part of the right side wall of the box body 1 is provided with a containing groove 20 corresponding to the position of the upper chamber, and a magnet (not shown in the drawing) is placed in the containing groove 20, so that a magnetic field effect is formed, a certain degree of arc extinguishing effect is achieved, and the generation of electric arcs can be further reduced when the moving contact and the fixed contact are contacted. In the present embodiment, as shown in fig. 11, the cartridge 1 is placed in an outer case 21 whose top end is open.

The working principle of the double-layer structure type relay provided by the embodiment is as follows: when the electromagnetic coil 3 is electrified, the bottom end of the armature 4 can be attracted, so that the armature 4 swings, and then the spring 9 drives the movable contact assembly to move upwards, so that the movable contact 11 is contacted with the stationary contact 14, and current conduction is realized. Since the arc generated when the movable contact 11 is contacted with the stationary contact 14 is first reduced by the arc extinguishing effect of the magnet and then blocked by the sub-barrier 12 and the main barrier 2, a long flow path is required to contact the electromagnetic coil 3, but after a long distance flow, the arc is naturally weakened, so that the electromagnetic coil 3 is very little affected by the arc. According to the utility model, through the technical thought that the partition board is arranged in the electromagnetic relay, the interior of the electromagnetic relay is divided into two chambers so as to separate the electromagnetic coil and the movable contact assembly, thereby effectively reducing the influence of electric arcs on the electromagnetic coil.

In addition, the structure of the utility model is also convenient in assembly, specifically, the whole structure composed of the electromagnetic coil 3, the fixing plate 5, the metal plate and the armature 4 as shown in fig. 3 can be rapidly clamped into the box body 1 from the front side of the box body 1, then the moving plate 10 can be installed into the box body 1, the pins 18 can be inserted into the box body 1 and the corresponding conductive clamping pieces 17, and finally the whole box body 1 can be placed into the outer shell 21.

In order to make it easier for a person skilled in the art to understand the improvements of the present utility model with respect to the prior art, some of the figures and descriptions of the present utility model have been simplified, and the above-described embodiments are preferred implementations of the present utility model, but in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of protection of the present utility model without departing from the concept of the present technical solution.

Claims

1. Double-deck structural formula relay, including box body (1), its characterized in that: the front side of box body (1) is opened and its middle part level is provided with main baffle (2), the rear end of main baffle (2) is connected and the left and right sides end of main baffle (2) all is equipped with the interval with the inside wall of box body (1) with box body (1), main baffle (2) are last cavity and lower cavity with box body (1) internal partition, the cavity is equipped with solenoid (3) down, it is equipped with movable contact subassembly and stationary contact subassembly to go up the cavity, one side of solenoid (3) is equipped with armature (4), armature (4) are by lower cavity extension to last cavity and connect movable contact subassembly, thereby solenoid (3) can produce effort to armature (4) and make armature (4) swing, and then make movable contact subassembly and stationary contact subassembly realize contacting.

2. The double-layer structure relay according to claim 1, wherein: the electromagnetic coil is characterized in that a fixing plate (5) is respectively arranged at the left end and the right end of the electromagnetic coil (3), an electromagnetic sheet (6) is arranged on the left end face of the left fixing plate (5) of the electromagnetic coil (3), a metal plate (7) is arranged above the electromagnetic coil (3), the two ends of the metal plate (7) are respectively connected with the fixing plate (5) on one side, the upper part of the armature (4) is abutted against the left end of the metal plate (7), the upper end of the armature (4) is connected with the middle part of the metal plate (7) through a tension spring (8), and the lower end of the armature (4) can keep away from the electromagnetic sheet (6) under the action of the tension spring (8).

3. The double-layer structure relay according to claim 2, wherein: the movable contact assembly comprises a spring (9) connected to the upper end of the armature (4), a moving plate (10) arranged at the right end of the spring (9) and two movable contacts (11) arranged on the moving plate (10) at intervals.

4. A double layer structure relay according to claim 3, wherein: be located box body (1) right side inner wall of main baffle (2) top still is connected with vice baffle (12), the left end of vice baffle (12) extends to the middle part of box body (1), when solenoid (3) are loaded into in box body (1), metal sheet (7) inserts between main baffle (2) and vice baffle (12), movable contact assembly is located the top of vice baffle (12).

5. The double-layer structure relay according to claim 4, wherein: the static contact assembly comprises two static plates (13) which are mutually independent, the lower parts of the static plates (13) are positioned in the box body (1) and are connected with static contacts (14), and the upper ends of the static plates (13) upwards penetrate out of the box body (1).

6. The double-layer structure relay according to claim 5, wherein: the static piece (13) is L-shaped, two supporting convex strips (15) are arranged in the box body (1), an opening is formed in the upper portion of the rear side face of the box body (1), and the static piece (13) can be inserted into the box body (1) from the front side or the rear side of the box body (1) and clamped between the supporting convex strips (15) and the top face of the box body (1).

7. The double-layer structure relay according to claim 6, wherein: the two ends of the left fixing plate (5) and the rear fixing plate (3) are respectively connected with a supporting plate (16), the supporting plates (16) are internally provided with conductive clamping pieces (17), the conductive clamping pieces (17) are electrically connected with the electromagnetic coils (3), two pins (18) are inserted into the tops of the box body (1), and the bottoms of the pins (18) extend into the corresponding conductive clamping pieces (17) in the box body (1) so as to be electrically connected with the conductive clamping pieces (17).

8. The double-layer structure relay according to claim 7, wherein: the lower part of the left side wall of the box body (1) is provided with a notch (19) for avoiding the armature (4).

9. The double-layer structure relay according to claim 8, wherein: the upper part of the right side wall of the box body (1) is provided with a containing groove (20) corresponding to the position of the upper cavity, and a magnet is placed in the containing groove (20).

10. The double-layer structure relay according to claim 9, wherein: the box body (1) is placed in an outer shell (21) with an open top.