CN215069780U - DC isolating switch for electric furnace - Google Patents

Abstract

The utility model relates to an electric furnace direct current isolating switch, which comprises a mounting seat, a static contact plate and a movable contact plate, wherein the movable contact plate is connected with the mounting seat through a hinge assembly, the hinge assembly comprises a support and a connecting rod hinged with the support, the support and the static contact plate are both connected on the mounting seat through insulation, the middle part of the connecting rod is hinged with a pressure rod, a butterfly spring is sleeved outside the pressure rod, one side of the butterfly spring is butted with a fixed sheet, the other side is butted with an insulating plate, the insulating plate is connected with the end part of the pressure rod in a sliding way, one side of the insulating plate, which is far away from the butterfly spring, is connected with the movable contact plate, the connecting rod is connected with a handle assembly, the pressing force is increased through the superposition of a plurality of the butterfly springs, the connecting effect of contact points is further improved, the static contact plate is made of a silvered copper plate, the heating value of the contact points can be taken away through the water cooling assembly of the static contact plate during normal work, the working current during the connection is improved, the size of the isolating switch is reduced, and the stability and the durability of the isolating switch are improved.

Description

DC isolating switch for electric furnace

Technical Field

The utility model belongs to the technical field of electric stove switch technique and specifically relates to an electric stove direct current isolator.

Background

At present, a known electric furnace direct current isolating switch consists of a handle, a contact knife, a static socket (socket for short), a hinge support and an insulating bottom plate, when an operator holds the handle, the contact knife rotates around the hinge support and is inserted into the static socket, the energy connection operation is completed, at the moment, a current path is formed by the hinge support, the contact knife and the static socket, and if the operator rotates around the hinge support in the opposite direction and breaks away from the static socket by using the contact knife, the circuit is cut off.

However, for the on and off operation of large current for electric furnace, it is not suitable for the common knife switch, when the switch can be used for large current, if the contact pressure of the contact point is insufficient, it will generate large contact resistance, thus causing the contact point to generate heat, generate oxide, and burn the knife switch after a period of time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an electric furnace direct current isolating switch which has stable contact, improves the working current when being switched on, reduces the volume, and improves the stability and the durability.

The utility model discloses the technical scheme who adopts does:

the utility model provides an electric stove direct current isolator, which comprises a mounting bas, quiet touch panel and correspond the movable contact plate that sets up with quiet touch panel, movable contact plate passes through hinge assembly and is connected with the mount pad, hinge assembly include the support and with support articulated connecting rod, support and quiet touch panel all through insulation connection on the mount pad, the middle part of connecting rod articulates there is the depression bar, disc spring has been cup jointed in the outside of depression bar, one side butt of disc spring has the stationary blade, the opposite side butt has the insulation board, the insulation board is connected with the tip sliding connection of depression bar, and its one side of keeping away from disc spring is connected with movable contact plate, the connecting rod is connected with and drives it and rotate and then drive movable contact plate and be close to or keep away from the handle components of quiet touch panel along the support.

Preferably, the end of the pressure rod is arranged in a T shape, and the insulating plate is provided with a T-shaped groove in sliding connection with the end of the pressure rod.

Preferably, an adjusting ring is arranged between the pressure rod and the belleville spring.

Preferably, the stationary contact is made of a copper plate and the outside thereof is plated with silver.

Preferably, the copper plate is communicated with a water cooling assembly, the water cooling assembly comprises a water distribution pipe and a water collection pipe, the outer side of the copper plate is provided with a water distribution joint and a water collection joint which are communicated with each other, the water distribution joint is connected with the water distribution pipe, and the water collection joint is connected with the water collection pipe.

Preferably, the number of the static contact plates is four, the two hinge assemblies are respectively hinged to two sides of the handle assembly, and each movable contact plate is movably abutted against the two static contact plates.

Preferably, the stationary contact plate is connected with an insulating block, and the insulating plate is slidably connected between the two insulating blocks.

Preferably, the insulating plate is hinged with Contraband-shaped frames, and Contraband-shaped frames are hinged with the support.

Preferably, the handle assembly includes a quick clamp and a handle connected to the quick clamp.

Preferably, the belleville springs are provided in a plurality.

The beneficial effects of the utility model reside in that:

this electric stove direct current isolator compresses tightly through lever principle, and increases the packing force through the stack of a plurality of belleville spring, and then improves the connection effect of contact point, and the stationary contact board is by silvered copper preparation, and the calorific capacity of contact can be taken away through the water cooling subassembly of stationary contact board during normal work, has improved the operating current when putting through, reduces isolator's volume, improves isolator's stability and durability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the operation of the present invention.

Fig. 3 is a partial structural sectional view of the present invention.

Fig. 4 is a schematic connection diagram of the water cooling module.

In the figure: 1. a mounting seat; 2. a stationary contact plate; 3. a movable touch plate; 4. a support; 5. a connecting rod; 6. a pressure lever; 7. a belleville spring; 8. a fixing sheet; 9. an insulating plate; a T-shaped slot; 11. an adjustment ring; 12. a water diversion pipe; 13. a water collection pipe; 14. a water diversion joint; 15. a water collection joint; 16. an insulating block; 17. contraband form rack; 18. a rapid clamp; 19. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electric stove direct current isolator, including mount pad 1, quiet touch panel 2 and the movable contact plate 3 that corresponds the setting with quiet touch panel 2, movable contact plate 3 passes through hinge assembly and is connected with mount pad 1, hinge assembly include support 4 and with support 4 articulated connecting rod 5, support 4 and quiet touch panel 2 all through insulating connection on mount pad 1, the middle part of connecting rod 5 articulates there is depression bar 6, butterfly spring 7 has been cup jointed in the outside of depression bar 6, one side butt joint of butterfly spring 7 has the stationary blade 8, the opposite side butt joint has insulation board 9, insulation board 9 and 6's tip sliding connection, and its one side of keeping away from butterfly spring 7 is connected with movable contact plate 3, connecting rod 5 is connected with and drives it and rotate and then drive movable contact plate 3 and be close to or keep away from the handle components of quiet touch panel 2 along support 4.

In order to improve the structural stability and the movement stability, in this embodiment, preferably, the end of the pressure rod 6 is arranged in a T shape, and the insulating plate 9 is provided with a T-shaped slot 10 slidably connected with the end of the pressure rod 6.

In order to improve the structural stability, in the present embodiment, an adjusting ring 11 is preferably disposed between the pressing rod 6 and the belleville spring 7.

In order to increase the operating current, in the present embodiment, the stationary contact 2 is preferably made of a copper plate and its outer side is plated with silver.

In order to improve the working current conveniently, in this embodiment, preferably, the copper plate is communicated with a water cooling assembly, the water cooling assembly includes a water distribution pipe 12 and a water collection pipe 13, a water distribution joint 14 and a water collection joint 15 which are communicated with each other are arranged on the outer side of the copper plate, the water distribution joint 14 is connected with the water distribution pipe 12, and the water collection joint 15 is connected with the water collection pipe 13.

In order to improve the connection effect of the contact points, in this embodiment, preferably, the stationary contact plates 2 are provided with four, the hinge assemblies are provided with two and are respectively hinged to two sides of the handle assembly, and each movable contact plate 3 is movably abutted to the two stationary contact plates 2 respectively.

In order to improve the structural stability and the movement stability, in the present embodiment, preferably, the stationary contact plate 2 is connected with the insulating blocks 16, and the insulating plate 9 is slidably connected between the two insulating blocks 16.

In order to improve the structural stability and the moving smoothness, in the embodiment, the insulating plate 9 is preferably hinged with Contraband-shaped frames 17, 21274, and the shaped frames 17 are hinged with the support 4.

In order to improve the connection effect of the contact points, in the present embodiment, it is preferable that the handle assembly includes a quick clamp 18 and a handle 19 connected to the quick clamp 18.

In order to improve the connection effect of the contact points, in the present embodiment, it is preferable that the belleville springs 7 are provided in a plurality.

The utility model discloses a theory of operation and use flow: rotate around quick anchor clamps 18 through waveing handle 19, and then drive connecting rod 5 and rotate along support 4, make the touch panel 3 press to and leave static touch panel 2, compress tightly through the lever principle, insulation board 9 and the tip sliding connection of depression bar 6, increase the packing force through the stack of a plurality of belleville spring 7, and then improve the connection effect of contact point, static touch panel 2 is made by silvered copper, be connected with distributive pipe 12 through water distribution joint 14, water collection joint 15 is connected with collector pipe 13, cool down the copper, calorific capacity of contact can be taken away through the water cooling module of static touch panel 2 intercommunication during normal work, operating current when having improved the switch-on, reduce isolator's volume, improve isolator's stability and durability.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (10)

1. The utility model provides an electric stove direct current isolator which characterized in that: including mount pad (1), quiet touch panel (2) and with quiet touch panel (2) correspond movable touch panel (3) that set up, movable touch panel (3) are connected with mount pad (1) through hinge assembly, hinge assembly includes support (4) and with support (4) articulated connecting rod (5), support (4) and quiet touch panel (2) all connect on mount pad (1) through insulation, the middle part of connecting rod (5) articulates there is depression bar (6), disc spring (7) have been cup jointed in the outside of depression bar (6), one side butt of disc spring (7) has stationary blade (8), and opposite side butt has insulation board (9), insulation board (9) and the tip sliding connection of depression bar (6), and its one side of keeping away from disc spring (7) is connected with movable touch panel (3), connecting rod (5) are connected with and drive it and rotate along support (4) and then drive movable touch panel (3) and be close to or keep away from the handle components of quiet touch panel (2).

2. The electric furnace dc isolation switch of claim 1, wherein: the end part of the pressure lever (6) is arranged in a T shape, and a T-shaped groove (10) which is connected with the end part of the pressure lever (6) in a sliding manner is arranged on the insulating plate (9).

3. The electric furnace dc isolation switch of claim 1, wherein: an adjusting ring (11) is arranged between the pressure lever (6) and the belleville spring (7).

4. The electric furnace dc isolation switch of claim 1, wherein: the static contact plate (2) is made of a copper plate, and the outer side of the static contact plate is plated with silver.

5. The electric furnace dc isolation switch of claim 4, wherein: the copper intercommunication is equipped with water cooling assembly, water cooling assembly includes distributive pipe (12) and collector pipe (13), the outside of copper is equipped with water distribution joint (14) and water collection joint (15) that communicate each other, water distribution joint (14) are connected with distributive pipe (12), water collection joint (15) are connected with collector pipe (13).

6. The electric furnace dc isolation switch of claim 1, wherein: the movable contact plate is characterized in that the number of the static contact plates (2) is four, the hinge assemblies are provided with two hinge assemblies which are respectively hinged to two sides of the handle assembly, and each movable contact plate (3) is movably abutted to the two static contact plates (2) respectively.

7. The electric furnace dc isolation switch of claim 6, wherein: the static contact plate (2) is connected with an insulating block (16), and the insulating plate (9) is connected between the two insulating blocks (16) in a sliding mode.

8. The electric furnace dc isolation switch of claim 7, wherein: the insulating plate (9) is hinged with an Contraband-shaped frame (17), and the Contraband-shaped frame (17) is hinged with the support (4).

9. The electric furnace dc isolation switch of claim 1, wherein: the handle assembly includes a quick clamp (18) and a handle (19) connected to the quick clamp (18).

10. The electric furnace dc isolation switch of claim 1, wherein: the butterfly springs (7) are provided with a plurality of springs.

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