CN216353822U

CN216353822U - Circuit switch contact

Info

Publication number: CN216353822U
Application number: CN202122655245.6U
Authority: CN
Inventors: 郑巨云
Original assignee: Yueqing Chuangjia Electric Appliance Co ltd
Current assignee: Zhejiang Chuangjia Intelligent Electrical Appliance Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-19
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a circuit switch contact which comprises a copper sheet contact, wherein a first fixing hole is formed in one side of the copper sheet contact, a second fixing hole is formed in the center point of one side of the copper sheet contact, a rotating sheet is welded on one side of the copper sheet contact, an electrical connection hole is formed in the center point of the rotating sheet, a rotating head is welded at the bottom of the rotating sheet, a rotating hole is formed in the center point of the rotating head, and a limiting groove is formed in one side of the rotating head. This kind of circuit switch contact through being equipped with first fixed orifices and second fixed orifices, can make the copper sheet contact form parallel circuit after connecting the dead lever, has avoided unnecessary circuit design, and the spacing groove guarantees that the copper sheet contact can cooperate with the dwang when rotatory, guarantees that the copper sheet contact can not misplace at rotatory in-process to cooperation first spring and second spring makes the copper sheet contact more firm, avoids receiving factors such as external vibrations to influence and leads to contact failure, guarantees the normal operating of equipment.

Description

Circuit switch contact

Technical Field

The utility model relates to the technical field of circuit switch contacts, in particular to a circuit switch contact.

Background

The contact is one of the key components of the switching electric appliance, and the main performance and the service life of the switching electric appliance are greatly determined by the quality of the contact material. Contact materials are generally required to have good electrical conductivity, low contact resistance, high fusion welding resistance, high resistance to arc erosion, and resistance to material transfer, for vacuum contact materials.

However, the existing circuit switch contact has a simple structure, is not stable enough after installation, and is easily affected by factors such as external vibration to cause poor contact, thereby affecting the normal operation of equipment. We have therefore developed this and proposed a circuit switch contact.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a circuit switch contact which comprises a copper sheet contact, wherein a first fixing hole is formed in one side of the copper sheet contact, a second fixing hole is formed in the center point of one side of the copper sheet contact, a rotating sheet is welded on one side of the copper sheet contact, an electrical connection hole is formed in the center point of the rotating sheet, a rotating head is welded at the bottom of the rotating sheet, a rotating hole is formed in the center point of the rotating head, a limiting groove is formed in one side of the rotating head, a fixing seat is placed on the bottom side of the rotating head, a rotating rod is welded on one side of the top of the fixing seat, a rotating rod is welded on the top of the rotating rod and is rotatably connected in the rotating hole, and fixing rods are welded on the other side of the top of the fixing seat and the center point.

As a preferred technical scheme of the present invention, a rotation groove is formed in a central point of a top of the fixing rod, a sliding groove is formed in one side of the rotation groove, a fastening rod is slidably connected to the sliding groove, and a first moving block is welded to one side of the fastening rod.

As a preferred technical solution of the present invention, one side of the first moving block is connected to a first spring through a screw, one side of the first moving block is attached to a second moving block, one side of the second moving block is welded to a pressing block, a bottom side of the pressing block is connected to a second spring through a screw, and the second spring is connected to a top center point of the rotation groove through a screw.

In a preferred embodiment of the present invention, the fastening bar is inserted into the first fixing hole and the second fixing hole.

As a preferable technical solution of the present invention, the rotating rod is embedded in the rotating hole.

As a preferable aspect of the present invention, both of the first moving block and the second moving block have an inclined surface at an inclination angle of 30 °.

As a preferable technical solution of the present invention, the width of the limiting groove is the same as the width of the rotating rod.

The utility model has the beneficial effects that:

1. according to the circuit switch contact, the first fixing hole and the second fixing hole are formed, so that a parallel circuit can be formed after the copper sheet contact is connected with the fixing rod, and redundant circuit design is avoided;

2. the circuit switch contact is provided with the limiting groove, so that the copper sheet contact can be matched with the rotating rod when rotating, and the copper sheet contact cannot be dislocated in the rotating process, so that the wiring failure is caused;

3. this kind of circuit switch contact through being equipped with first movable block and second movable block to and under the cooperation of first spring and second spring, can make the structure of copper sheet contact more stable, avoid receiving factors such as external vibrations to influence and lead to contact failure, guarantee the normal operating of equipment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a general schematic view of the contacts of a circuit switch contact of the present invention;

FIG. 2 is a bottom view of a contact of a circuit switch contact of the present invention;

FIG. 3 is a side schematic view of a contact of a circuit switch contact of the present invention;

FIG. 4 is a top schematic view of a contact of a circuit switch contact of the present invention;

FIG. 5 is a partial schematic view of a circuit switch contact of the present invention;

fig. 6 is a schematic diagram of a circuit switch contact with a broken away fixed beam according to the present invention.

In the figure: 1. a copper sheet contact; 101. a first fixing hole; 102. a second fixing hole; 2. a rotating sheet; 3. electrically connecting the holes; 4. rotating the head; 401. rotating the hole; 402. a limiting groove; 5. a fixed seat; 6. rotating the rod; 601. rotating the rod; 7. fixing the rod; 701. a rotating groove; 702. a sliding groove; 703. fastening the rod; 704. a first moving block; 705. a first spring; 706. a second moving block; 707. a pressing block; 708. a second spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-6, the utility model is a circuit switch contact, including a copper sheet contact 1, a first fixing hole 101 is formed at one side of the copper sheet contact 1, a second fixing hole 102 is formed at a central point at one side of the copper sheet contact 1, a rotating sheet 2 is welded at one side of the copper sheet contact 1, an electrical connection hole 3 is formed at a central point of the rotating sheet 2, a rotating head 4 is welded at the bottom of the rotating sheet 2, a rotating hole 401 is formed at a central point of the rotating head 4, a limiting groove 402 is formed at one side of the rotating head 4, a fixed seat 5 is placed at the bottom side of the rotating head 4, a rotating rod 6 is welded at one side of the top of the fixed seat 5, a rotating rod 601 is welded at the top of the rotating rod 6, the rotating rod 601 is rotatably connected in the rotating hole 401, and fixed rods 7 are welded at the other side and the central point of the top of the fixed seat 5.

As a preferred technical solution of the present invention, a rotation groove 701 is formed at a central point of a top of the fixing rod 7, a sliding groove 702 is formed at one side of the rotation groove 701, a fastening rod 703 is slidably connected in the sliding groove 702, a first moving block 704 is welded at one side of the fastening rod 703, and the fastening rod 703 can slide on the top of the rotation groove 701, so that the fastening rod 703 is embedded in the first fixing hole 101 or the second fixing hole 102 during the sliding process.

As a preferred embodiment of the present invention, a first spring 705 is connected to one side of the first moving block 704 through a screw, a second moving block 706 is attached to one side of the first moving block 704, a pressing block 707 is welded to one side of the second moving block 706, a second spring 708 is connected to a bottom side of the pressing block 707 through a screw, the second spring 708 is connected to a top center point of the rotating groove 701 through a screw, after the copper sheet contact 1 presses the pressing block 707, the second spring 708 starts to contract, then the second moving block 706 slides downward, at this time, the first spring 705 pushes the first moving block 704 to move, at this time, the fastening rod 703 passes through the first fixing hole 101 or the second fixing hole 102, so that the copper sheet contact 1 is fixed firmly.

As a preferred technical solution of the present invention, the fastening rod 703 is embedded in the first fixing hole 101 and the second fixing hole 102, so that the copper sheet contact 1 is fixed more firmly.

As a preferred technical solution of the present invention, a rotating rod 601 is embedded in the rotating hole 401, and the rotating hole 401 ensures that the copper sheet contact 1 can make a circular motion around the rotating rod 601 as a center, so that the first fixing hole 101 and the second fixing hole 102 smoothly reach one side of the rotating rod 601.

As a preferred technical solution of the present invention, one side of the first moving block 704 and one side of the second moving block 706 are both inclined planes, and the inclination angle is 30 °, so that the first moving block 704 can move with a sufficient distance.

As a preferred technical solution of the present invention, the width of the limiting groove 402 is the same as the width of the rotating rod 6, so as to prevent the copper sheet contact 1 from being limited during rotation.

The working principle is as follows: firstly, the electric wire is electrically connected in the electric connection hole 3, then the copper sheet contact 1 is rotated, the rotation hole 401 ensures that the copper sheet contact 1 can do circular motion by taking the rotating rod 601 as the center of a circle, so that the first fixing hole 101 and the second fixing hole 102 smoothly reach one side of the rotating rod 601, when the copper sheet contact 1 presses the pressing block 707, the second spring 708 starts to contract, then the second moving block 706 slides downwards, at the moment, the first spring 705 pushes the first moving block 704 to move, at the moment, the fastening rod 703 passes through the first fixing hole 101 or the second fixing hole 102, so that the copper sheet contact 1 is firmly fixed, and then the whole device is powered on; the device has solved current circuit switch contact and has connected the back and stable inadequately, receives external influence easily to lead to contact failure's problem.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The circuit switch contact comprises a copper sheet contact (1) and is characterized in that a first fixing hole (101) is formed in one side of the copper sheet contact (1), a second fixing hole (102) is formed in the center point of one side of the copper sheet contact (1), a rotating sheet (2) is welded on one side of the copper sheet contact (1), an electrical connecting hole (3) is formed in the center point of the rotating sheet (2), a rotating head (4) is welded at the bottom of the rotating sheet (2), a rotating hole (401) is formed in the center point of the rotating head (4), a limiting groove (402) is formed in one side of the rotating head (4), a fixing seat (5) is placed on the bottom side of the rotating head (4), a rotating rod (6) is welded on one side of the top of the fixing seat (5), a rotating rod (601) is welded on the top of the rotating rod (6), and the rotating rod (601) is rotatably connected in the rotating hole (401), and the other side and the central point of the top of the fixed seat (5) are both welded with fixed rods (7).

2. The circuit switch contact as claimed in claim 1, wherein a rotating groove (701) is formed at a top center point of the fixed rod (7), a sliding groove (702) is formed at one side of the rotating groove (701), a fastening rod (703) is slidably connected in the sliding groove (702), and a first moving block (704) is welded at one side of the fastening rod (703).

3. The circuit switch contact as claimed in claim 2, wherein a first spring (705) is connected to one side of the first moving block (704) through a screw, a second moving block (706) is attached to one side of the first moving block (704), a pressing block (707) is welded to one side of the second moving block (706), a second spring (708) is connected to the bottom side of the pressing block (707) through a screw, and the second spring (708) is connected to the top center point of the rotating groove (701) through a screw.

4. A circuit-switching contact as claimed in claim 2, characterized in that the clamping bar (703) is embedded in the first fixing hole (101) and the second fixing hole (102).

5. A circuit switching contact as claimed in claim 1, characterized in that the rotary rod (601) is embedded in the rotary bore (401).

6. A circuit switching contact as claimed in claim 3, characterised in that the first moving mass (704) and the second moving mass (706) are both inclined on one side and have an inclination of 30 °.

7. A circuit switch contact as claimed in claim 1, characterized in that the width of the limiting groove (402) is the same as the width of the swivelling lever (6).