Large-current bearing switch

Abstract

The utility model discloses a large-current bearing switch, which comprises a shell, a first plastic seat fixedly connected to the inner surface of the shell, a substrate fixedly connected to the outer surface of the first plastic seat, a three-stage elastic sheet fixedly connected to the outer surface of the substrate, a first-stage polar seat fixedly connected to the upper surface of the first plastic seat, and a second-stage elastic sheet fixedly connected to the upper surface of the first-stage polar seat. The upper surface of the first-stage pole seat is fixedly connected with a second plastic seat, the second plastic seat is provided with a plastic plug pin, the upper surface of the first-stage pole seat is fixedly connected with a switch elastic piece, the switch elastic piece is provided with a rivet, and the substrate is provided with a clamping piece. The device can be prevented from being restarted when the power supply is recovered, the normal operation state of the device is kept, the reduction of voltage fluctuation and transient interference is facilitated, the overall stability of the system is improved, and the device can work more reliably.

Description

Technical Field

[0001] The utility model relates to the technical field of current switches, in particular to a switch that carries a large current. Background Art

[0002] With the development of the global economy and population growth, the demand for electricity continues to increase, especially in the fields of industry, transportation, communications, etc. These fields often need to carry large currents to support their operations. A switch that carries high currents is a specially designed switch used to control and manage high current loads in power systems. Existing high current switches have a slow process of switching the power on and off during use, and the state is unstable, requiring the equipment to be restarted. For example, "A high current switch", whose application number is "CN201220390650.8", its fixed contacts and terminals are connected together by riveting, which simplifies the process requirements and improves the arc erosion resistance of the fixed contacts. The truncated conical cavity designed on the end face of the terminal solves the problem that the cylindrical end face cannot be riveted. However, it cannot control the process of switching the power on and off in an extremely short time, and thus cannot prevent the equipment from restarting when the power is restored and maintain its normal operating state. It cannot reduce voltage fluctuations and transient interference, improve the overall stability of the system, reduce overall production costs, or reduce the probability of failure. Utility Model Content

[0003] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art and provide a switch that carries a large current. The device controls the process of power supply from off to on in a very short time to ensure that the power supply equipment does not restart, and can prevent the equipment from restarting when the power is restored, so as to maintain its normal operating state, help to reduce voltage fluctuations and transient interference, improve the overall stability of the system, and enable the equipment to work more reliably; the device has a simple structure and low manufacturing cost, which can reduce production time and manufacturing complexity, thereby reducing the overall production cost; the simple structure can reduce the probability of failure and reduce the frequency of maintenance and replacement.

[0004] The utility model also provides the above-mentioned high-current-carrying switch, comprising: a shell, an inner surface of the shell is fixedly connected to a first plastic seat, an outer surface of the first plastic seat is fixedly connected to a substrate, an outer surface of the substrate is fixedly connected to a three-stage spring piece, an upper surface of the first plastic seat is fixedly connected to a first-stage pole seat, an upper surface of the first-stage pole seat is fixedly connected to a second plastic seat, a plastic pin is provided on the second plastic seat, a switch spring piece is fixedly connected to the upper surface of the first-stage pole seat, a rivet is provided on the switch spring piece, and a card is provided on the substrate. The device controls the process of power supply from off to on in a very short time to ensure that the power supply equipment does not restart, can prevent the equipment from restarting when the power is restored, maintain its normal operating state, help reduce voltage fluctuations and transient interference, improve the overall stability of the system, and enable the equipment to work more reliably; the device has a simple structure and low manufacturing cost, can reduce production time and manufacturing complexity, thereby reducing overall production cost, and the simple structure can reduce the probability of failure and reduce the frequency of maintenance and replacement.

[0005] According to the high current carrying switch described in the utility model, the first plastic seat is fixedly connected to the second plastic seat, and the primary pole seat is fixedly connected to the second plastic seat, which can ensure the stability and safety of the device.

[0006] According to the high current carrying switch described in the utility model, the plastic plug is fixedly connected to the first plastic seat, and the plastic plug is fixedly connected to the primary pole seat, which can ensure the tightness and stability of the connection between the devices and improve the reliability of the system.

[0007] According to the high current carrying switch described in the utility model, the rivet is fixedly connected to the base plate, and the switch spring is connected to the base plate via the rivet, which can be assembled quickly and further improves stability.

[0008] According to a high current carrying switch described in the utility model, the side surfaces and rear surfaces of the first plastic seat and the second plastic seat are provided with mounting holes, and the first bolts are fixedly connected in the mounting holes, so that they can be installed in a simple manner, thereby improving installation convenience and ensuring stability.

[0009] According to the high current carrying switch described in the utility model, the first bolt is fixedly connected to the primary pole seat, and the second bolt is fixedly connected in the mounting hole, which can be installed in a simple manner, thereby improving installation convenience.

[0010] According to the high current carrying switch described in the utility model, the second bolt is fixedly connected to the primary pole seat, and the second bolt and the first bolt are fixedly connected to the shell, which can stably fix the device on the shell, prevent the internal structure from shaking, and ensure safety.

[0011] According to the high current carrying switch described in the utility model, a fixing bolt is provided on the second plastic seat, and the fixing bolt is fixedly connected to the first plastic seat, which can stably fix the first plastic seat and the second plastic seat to ensure the stability of the device.

[0012] Beneficial effects

[0013] 1. Compared with the existing technology, this new type of high-current switch controls the process of power off to on in a very short time to ensure that the power supply equipment does not restart. It can prevent the equipment from restarting when the power is restored, maintain its normal operating state, help reduce voltage fluctuations and transient interference, improve the overall stability of the system, and enable the equipment to work more reliably.

[0014] 2. Compared with the existing technology, this new type of high-current switch has a simple structure and low manufacturing cost, which can reduce production time and manufacturing complexity, thereby reducing overall production costs. The simple structure can reduce the probability of failure and reduce the frequency of maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of the utility model's high-current switch;

[0017] Figure 2 This is a diagram showing the internal structure of the housing of the utility model that carries a high current switch;

[0018] Figure 3 This is a schematic diagram of the connection structure of the substrate carrying the high current switch of the utility model;

[0019] Figure 4 This is a structural diagram of the first plastic seat that carries a high-current switch in the utility model.

[0020] Legend:

[0021] 1. Housing; 2. First plastic seat; 3. Primary pole seat; 4. Second plastic seat; 5. Plastic latch; 6. Third-stage spring; 7. Rivet; 8. Switch spring; 9. First bolt; 10. Second bolt; 11. Fixing bolt; 12. Card; 13. Base plate. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] Reference Figure 1-4 , the utility model embodiment of a high current carrying switch includes: a shell 1 for fixing and supporting the entire device and the protective device, the inner surface of the shell 1 is fixedly connected to a first plastic seat 2 for fixing and supporting other structures, the outer surface of the first plastic seat 2 is fixedly connected to a substrate 13 for supporting a switch spring 8, the outer surface of the substrate 13 is fixedly connected to a third spring 6 for necessary elasticity and mechanical action, the upper surface of the first plastic seat 2 is fixedly connected to a first pole seat 3 for providing a stable foundation so that the switch spring 8 can work normally, the upper surface of the first pole seat 3 is fixedly connected to a second plastic seat 4 for fixed support, the second plastic seat 4 is provided with a plastic latch 5 for fixing the first plastic seat 2 and the second plastic seat 4, the upper surface of the first pole seat 3 is fixedly connected to a switch spring 8, the switch spring 8 can change the switch state when pressed, the switch spring 8 is provided with a rivet 7 for fixing the switch spring 8, and a card 12 is provided on the substrate 13 for connecting and engaging the PCB board.

[0024] The first plastic seat 2 is fixedly connected to the second plastic seat 4 for fixing the two pole seats, the primary pole seat 3 is fixedly connected to the second plastic seat 4 for fixing the primary pole seat 3, the plastic plug 5 is fixedly connected to the first plastic seat 2, the plastic plug 5 is fixedly connected to the primary pole seat 3 for fixing the first plastic seat 2 and the second plastic seat 4, the rivet 7 is fixedly connected to the base plate 13, the switch spring 8 is connected to the base plate 13 through the rivet 7 for fixing the switch spring 8, the side surface and the rear surface of the first plastic seat 2 and the second plastic seat 4 are provided with mounting holes, and the mounting holes are fixed A first bolt 9 is fixedly connected, and the first bolt 9 is fixedly connected to the primary pole seat 3, and is used to fix the first plastic seat 2 and the second plastic seat 4, the pole seat, and the shell. A second bolt 10 is fixedly connected in the mounting hole, and the second bolt 10 is fixedly connected to the primary pole seat 3. The second bolt 10 and the first bolt 9 are fixedly connected to the shell 1, and are used to fix the first plastic seat 2 and the second plastic seat 4, and the pole seat and the shell. A fixing bolt 11 is provided on the second plastic seat 4, and the fixing bolt 11 is fixedly connected to the first plastic seat 2, and is used to fix the first plastic seat 2 and the second plastic seat 4.

[0025] Working principle: When in use, the primary pole seat 3 is installed in the first plastic seat 2 and the second plastic seat 4, and then the switch spring 8 is connected to the primary pole seat 3, and the switch spring 8 is fixed to the base plate 13 through the rivet 7 on the switch spring 8, and then the first plastic seat 2 and the second plastic seat 4 are fixed through the plastic pin 5, and then the entire device is fixed to the housing 1 through the first bolt 9 and the second bolt 10, and then the PCB board is installed on the housing 1 and engaged with the card 12, so that the switch spring 8 and the machine base core are in an on or off action.

[0026] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A switch capable of carrying a large current, characterized in that: include: A shell (1) is provided, wherein the inner surface of the shell (1) is fixedly connected to a first plastic seat (2), the outer surface of the first plastic seat (2) is fixedly connected to a base plate (13), the outer surface of the base plate (13) is fixedly connected to a third-stage spring piece (6), the upper surface of the first plastic seat (2) is fixedly connected to a first-stage pole seat (3), the upper surface of the first-stage pole seat (3) is fixedly connected to a second plastic seat (4), a plastic pin (5) is provided on the second plastic seat (4), the upper surface of the first-stage pole seat (3) is fixedly connected to a switch spring piece (8), a rivet (7) is provided on the switch spring piece (8), and a card (12) is provided on the base plate (13).

2. A high current carrying switch according to claim 1, characterized in that: The first plastic seat (2) is fixedly connected to the second plastic seat (4), and the primary pole seat (3) is fixedly connected to the second plastic seat (4).

3. The high current carrying switch according to claim 1, characterized in that: The plastic plug (5) is fixedly connected to the first plastic seat (2), and the plastic plug (5) is fixedly connected to the primary pole seat (3).

4. The high current carrying switch according to claim 1, characterized in that: The rivet (7) is fixedly connected to the base plate (13), and the switch spring (8) is connected to the base plate (13) via the rivet (7).

5. The high current carrying switch according to claim 1, characterized in that: The side surfaces and rear surfaces of the first plastic seat (2) and the second plastic seat (4) are provided with mounting holes, and first bolts (9) are fixedly connected in the mounting holes.

6. The high current carrying switch according to claim 5, characterized in that: The first bolt (9) is fixedly connected to the primary pole seat (3), and a second bolt (10) is fixedly connected in the mounting hole.

7. The high current carrying switch according to claim 6, characterized in that: The second bolt (10) is fixedly connected to the primary pole seat (3), and the second bolt (10) and the first bolt (9) are fixedly connected to the housing (1).

8. The high current carrying switch according to claim 1, characterized in that: A fixing bolt (11) is provided on the second plastic seat (4), and the fixing bolt (11) is fixedly connected to the first plastic seat (2).

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