Contact contact structure for relay and relay

Abstract

The utility model discloses a relay contact structure and a relay, the relay contact structure comprises a fixed support, the fixed support is slidably provided with an armature, the armature is provided with a movable contact, and the bottom of the fixed support is provided with a driving member; the elastic piece is positioned in the fixed bracket; a guide block is arranged on the side portion of the armature, a connecting mechanism is arranged on the guide block and comprises a fixing frame, the fixing frame is fixedly connected to the side portion of the guide block, and a limiting column is arranged in the fixing frame; a push plate and an auxiliary plate. The armature, the fixing frame, the guide block, the limiting column, the bearing plate, the pushing plate and the spring are matched with one another, the limiting column is pushed by the elastic force of the spring to be inserted into the inner wall of the groove, the pushing plate drives the limiting column to move, the auxiliary plate drives the pushing plate to move, and the guide block is mounted and dismounted through the limiting column; and the guide block can be separated from the armature, so that the elastic piece and the armature can be independently taken down and replaced.

Description

Technical Field

[0001] The utility model relates to the field of relay contact structures, in particular to a contact structure for a relay and a relay. Background Art

[0002] A relay is usually an electrical control device. When the change in the input quantity reaches the specified requirement, the relay can cause a predetermined step change in the controlled quantity in the electrical output circuit. Relays are widely used and usually have a contact structure.

[0003] The contact structure of the prior art usually includes a moving contact, an armature, a guide block, a fixed bracket, a driving member, a fixed seat and an elastic member. The moving contact is installed on the armature, and the armature is slidably set on the fixed bracket through the guide block. The driving member is installed on the fixed bracket through the fixed seat. The elastic member is located inside the fixed bracket and at the bottom of the armature, thereby utilizing contact operation.

[0004] The guide block is slidingly set on the fixed bracket, and the guide block is integrally connected to the armature. However, if the armature and elastic parts need to be replaced after damage, the contact structure is usually replaced as a whole, resulting in a waste of resources. Furthermore, the contact structure is not convenient for separating the guide block from the armature, and there are certain limitations in removing and replacing the elastic parts and the armature independently. Summary of the Invention

[0005] The purpose of the present invention is to provide a contact structure for a relay and a relay, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a contact structure for a relay, comprising:

[0007] A fixed bracket, wherein an armature is slidably provided inside the fixed bracket, a moving contact is installed inside the armature, and a driving member is installed at the bottom of the fixed bracket;

[0008] an elastic member, wherein the elastic member is located inside the fixing bracket;

[0009] A guide block is provided on the side of the armature, and a connecting mechanism is provided on the guide block. The connecting mechanism includes:

[0010] A fixed frame, the fixed frame being fixedly connected to the side of the guide block, and a limiting column being provided inside the fixed frame;

[0011] A push plate and an auxiliary plate, wherein the push plate is slidably arranged on the guide block, and the auxiliary plate is located on the side of the guide block.

[0012] Preferably, the fixing frame is fixedly connected to the side of the guide block, the side of the armature is provided with a groove that matches the fixing frame, and the side of the inner wall of the groove is provided with a limiting groove that matches the limiting column.

[0013] Preferably, a guide groove cooperating with the guide block is provided on a side of the fixing bracket, a through groove is provided on the other side of the guide block, and the push plate is slidably connected with the inner cavity of the through groove.

[0014] Preferably, a side portion of the push plate is fixedly connected to the limiting column, and the other side portion of the push plate is fixedly connected to the auxiliary plate.

[0015] Preferably, the side of the guide block is fixedly connected to a bearing plate, the side of the bearing plate is slidably inserted and connected to a round rod, and the end of the round rod is threadedly inserted and connected to an annular plate.

[0016] Preferably, the other end of the round rod is fixedly connected to the limiting column, and a spring is sleeved on the outside of the round rod, one end of the spring is fixedly connected to the limiting column, and the other end of the spring is fixedly connected to the supporting plate.

[0017] Another object of the present invention is to provide a relay, which includes the above-mentioned contact structure.

[0018] Technical effects and advantages of this utility model:

[0019] The utility model utilizes the mutual cooperation of the armature, the fixed frame, the guide block, the limit column, the bearing plate, the push plate, the auxiliary plate and the spring. The elastic force of the spring pushes the limit column to penetrate the inner wall of the groove, the push plate drives the limit column to move, the auxiliary plate drives the push plate to move, the limit column installs and disassembles the guide block, which is conducive to separating the guide block from the armature, so that the elastic part and the armature can be independently removed and replaced, which is convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 This is a front sectional structural diagram of the fixing bracket of the utility model.

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the guide block of the utility model.

[0023] In the figure: 1. fixed bracket; 2. moving contact; 3. armature; 4. elastic member; 5. driving member; 6. connecting mechanism; 61. fixed frame; 62. limiting column; 63. bearing plate; 64. annular plate; 65. spring; 66. pushing plate; 67. auxiliary plate; 7. guide block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The utility model provides Figure 1-3 The contact structure shown in the figure is used for a relay, including a fixed bracket 1 and an elastic member 4. The fixed bracket 1 is set in a U shape, which is conducive to the installation and support of the armature 3 and the installation of the moving contact 2. The armature 3 is slidingly set inside the fixed bracket 1, and the moving contact 2 is installed inside the armature 3. The driving member 5 is installed at the bottom of the fixed bracket 1, and the elastic member 4 is located inside the fixed bracket 1.

[0026] Furthermore, a guide block 7 is provided on the side of the armature 3, which is conducive to vertically guiding the sliding of the armature 3 so that the moving contact 2 can move vertically. A connecting mechanism 6 is provided on the guide block 7. The connecting mechanism 6 includes a fixed frame 61, a push plate 66 and an auxiliary plate 67. The fixed frame 61 is conducive to supporting the guide block 7 so that the limiting column 62 can slide inside it. The push plate 66 is conducive to pushing the limiting column 62 to slide horizontally so that the limiting column 62 is separated from the inner cavity of the limiting groove to fix the fixed frame 61. 1 releases the position limit, thereby releasing the position limit of the guide block 7, making it easier to separate the guide block 7 from the armature 3. The auxiliary plate 67 is conducive to pushing the push plate 66 to move, making it easier to drive the push plate 66. The auxiliary plate 67 is conducive to shielding the interior of the through groove. The fixed frame 61 is fixedly connected to the side of the guide block 7. A limiting column 62 is provided inside the fixed frame 61. The side of the limiting column 62 is provided with an inclined surface, which is conducive to squeezing with the inner wall of the groove to slide and engage the fixed frame 61. In order to slide the guide block 7, the push plate 66 is slidably set on the guide block 7, the auxiliary plate 67 is located on the side of the guide block 7, the fixed frame 61 is fixedly connected to the side of the guide block 7, and the side of the armature 3 is provided with a groove that matches the fixed frame 61, which is conducive to connecting with the guide block 7 and the fixed frame 61, and is convenient for installing the guide block 7. The side of the inner wall of the groove is provided with a limiting groove that matches the limiting column 62. When the guide block 7 is separated from the armature 3 when needed, the auxiliary plate 67 is pushed to move at the same time. , so that the auxiliary plate 67 drives the push plate 66 to move, the push plate 66 drives the limit column 62 to move, the limit column 62 drives the round rod to slide on the bearing plate 63, and then the limit column 62 compresses the spring 65, and the spring 65 generates an elastic force on the limit column 62, and then the limit column 62 is separated from the inner cavity of the limit groove inside the groove, releasing the position limitation of the fixed frame 61 and the guide block 7, and then the guide block 7 is separated from the armature 3 and the fixed bracket 1, and the armature 3 and the elastic member 4 can be replaced independently.

[0027] Specifically, a guide groove that cooperates with the guide block 7 is opened on the side of the fixed bracket 1, and a through groove is opened on the other side of the guide block 7. The push plate 66 is slidably connected with the inner cavity of the through groove, and the side of the push plate 66 is fixedly connected to the limiting column 62, and the other side of the push plate 66 is fixedly connected to the auxiliary plate 67.

[0028] Specifically, the side of the guide block 7 is fixedly connected to a supporting plate 63, which is conducive to supporting the sliding of the round rod and is also conducive to compressing and supporting the spring 65. The side of the supporting plate 63 is slidably connected with a round rod, which is conducive to traction operation of the limit column 62, facilitating the sliding support of the limit column 62. The end of the round rod is threadedly connected with an annular plate 64, which is conducive to the installation and disassembly of the round rod and is also convenient for the installation and disassembly of the limit column 62. The other end of the round rod is fixedly connected to the limit column 62, and a spring 65 is sleeved on the outside of the round rod. The elastic force of the spring 65 is conducive to pushing the limit column 62 to move, so that the limit column 62 can return to its original position after movement, which is convenient for repeated operation of the limit column 62. One end of the spring 65 is fixedly connected to the limit column 62, and the other end of the spring 65 is fixedly connected to the supporting plate 63.

[0029] This embodiment provides a relay, which includes the above-mentioned contact structure.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A contact structure for a relay, comprising: A fixed bracket (1), an armature (3) being slidably provided inside the fixed bracket (1), a moving contact (2) being installed inside the armature (3), and a driving member (5) being installed at the bottom of the fixed bracket (1); an elastic member (4), the elastic member (4) being located inside the fixed bracket (1); It is characterized in that a guide block (7) is provided on the side of the armature (3), a connecting mechanism (6) is provided on the guide block (7), and the connecting mechanism (6) comprises: A fixed frame (61), the fixed frame (61) is fixedly connected to the side of the guide block (7), and a limiting column (62) is provided inside the fixed frame (61); A push plate (66) and an auxiliary plate (67), wherein the push plate (66) is slidably arranged on the guide block (7), and the auxiliary plate (67) is located on the side of the guide block (7).

2. A contact structure for a relay according to claim 1, characterized in that: The fixed frame (61) is fixedly connected to the side of the guide block (7), the side of the armature (3) is provided with a groove that matches the fixed frame (61), and the side of the inner wall of the groove is provided with a limiting groove that matches the limiting column (62).

3. A contact structure for a relay according to claim 1, characterized in that: A guide groove cooperating with the guide block (7) is provided on the side of the fixed bracket (1), and a through groove is provided on the other side of the guide block (7). The push plate (66) is connected to the inner cavity of the through groove by sliding insertion.

4. A contact structure for a relay according to claim 1, characterized in that: A side portion of the push plate (66) is fixedly connected to the limiting column (62), and another side portion of the push plate (66) is fixedly connected to the auxiliary plate (67).

5. The contact structure for a relay according to claim 1, characterized in that: The side of the guide block (7) is fixedly connected to a bearing plate (63), the side of the bearing plate (63) is slidably connected to a round rod, and the end of the round rod is threadedly connected to an annular plate (64).

6. A contact structure for a relay according to claim 5, characterized in that: The other end of the round rod is fixedly connected to the limiting column (62), and a spring (65) is sleeved on the outside of the round rod. One end of the spring (65) is fixedly connected to the limiting column (62), and the other end of the spring (65) is fixedly connected to the bearing plate (63).

7. A relay, characterized in that: The relay comprises the contact structure according to any one of claims 1 to 6.

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