CN219979385U - Simple design device of contact system - Google Patents

Abstract

The utility model relates to the technical field of simple design devices of contact systems and discloses a simple design device of a contact system, which comprises a gun body, wherein a cover plate is movably arranged on the surface of the gun body, an arc extinguishing chamber is fixedly arranged on one side of the interior of the gun body through a mounting groove, an arc striking sheet is fixedly connected to the interior of the arc extinguishing chamber, the gun body is movably provided with a U-shaped soft connection with a contact through a clamping groove, a counter force spring is movably arranged at the position, close to one side, of the middle of the interior of the gun body, and an operating rod is movably connected at the position, close to the other side, of the middle of the interior of the gun body through a sliding groove.

Description

Simple design device of contact system

Technical Field

The utility model relates to the technical field of simple design devices of contact systems, in particular to a simple design device of a contact system.

Background

The novel contact system comprises components such as a main flexible wire, a contact bridge, an operating rod, a counter-force spring, a silver point, an arc striking sheet, an arc extinguishing chamber, a U-shaped strip contact flexible connection, a gun body and the like, all the components are required to be installed in the gun body, the silver point side of the contact bridge of the single-contact system is in flexible connection with the U-shaped strip contact and is closed, one side without the contact is installed in parallel with a fixing column of the gun body, the counter-force spring is installed in a connecting mode with the operating rod, the arc striking sheet and the arc striking chamber are installed in a mode that the arc striking sheet is effectively sucked into the gun body, then a gun body cover is installed, the outside of the arc striking chamber is exposed easily when the arc striking sheet is installed under a general condition, and the position of the arc striking chamber must be adjusted at the moment.

In the prior art, the traditional contact system scheme is the design of double-contact breakpoint, double-arc-extinguishing chambers, double-arc-striking plates, a single operating rod, a single contact bridge and a single counter-force spring, under the condition that a switch is broken by high current, the synchronism of the double-breakpoint is difficult to achieve, the arc-extinguishing time is prolonged, high-temperature and high-pressure arcs are continuously combusted in the arc-extinguishing chambers, the double-arc-striking plates are more difficult to effectively introduce arcs of the two breakpoints into two arc-extinguishing chambers on different sides at the same time, the arcs are effectively extinguished in the shortest time, and aiming at the defects, the technical scheme that the arc extinction can be rapidly achieved by using the single-arc-striking plates of the single-breakpoint is provided in the prior art.

Disclosure of Invention

The utility model aims to provide a simple design device of a contact system, which aims to solve the problems that the conventional contact system proposal in the background technology is designed into double-contact break points, double arc extinguishing chambers, double arc striking sheets, a single operating rod, a single contact bridge and a single counter force spring, the synchronism of the double break points is difficult to achieve under the condition that a switch is broken by a large current, the arc extinguishing time is prolonged, high-temperature and high-pressure arcs are continuously combusted in the arc extinguishing chambers, and the double arc striking sheets are more difficult to effectively introduce the arcs of the two break points into the two arc extinguishing chambers at different sides at the same time, and the arcs are effectively extinguished in the shortest time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a simple and easy design device of contact system, includes the rifle body, the surface movable mounting of the rifle body has the apron, inside one side of the rifle body has the explosion chamber through mounting groove fixed mounting, the inside fixedly connected with arc striking piece of explosion chamber, the rifle body is through draw-in groove movable mounting U type area contact flexonics, the inside middle of the rifle body is close to one side position department and is had reaction spring through spring mounting movable mounting, the inside middle of the rifle body is close to opposite side position department and is had the action bars through sliding tray swing joint, the inside opposite side fixed mounting of the rifle body has the contact bridge fixed column, the vicinity of contact bridge fixed column is provided with the contact bridge.

As the preferable scheme, the mounting groove is formed in one side of the inside of the gun body, and the arc extinguishing chamber is fixedly arranged in the mounting groove.

As the preferable scheme, the draw-in groove sets up in the rifle body one side and is close to edge position department, U type area contact soft connection joint is in the draw-in groove, U type area contact soft connection's one end offsets with the striking piece.

As the preferable scheme, spring mounting fixed mounting is close to one side position in the inside centre of rifle body, the bottom of reaction spring cup joints the outer wall at the spring mounting.

Preferably, the sliding groove is arranged at the position close to the other side in the middle of the gun body, and the operating rod is connected in the sliding groove in a sliding way.

Preferably, the contact bridge is inserted into the side surface of the operating rod, and the middle position of the contact bridge is propped against the contact bridge fixing column.

As the preferable scheme, one end of contact bridge offsets through the one end that contact and U type area contact are soft to be connected, fixed recess has been seted up to the one end that the surface of contact bridge is close to the contact, the outer wall at fixed recess is blocked to reaction spring's upper end.

The utility model has the technical effects and advantages that:

1. the structure is simple, and the cost for realizing the contact system is low.

2. The whole main circuit has smaller occupied space of the contact system, the space design of the arc extinguishing chamber can be better reduced, and the installation components are reduced.

3. The breaking speed is improved, and meanwhile, the tripping force of the mechanism can be lightened, so that the longer service life of the contact system is ensured.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an enlarged view of a part of the structure of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is an exploded view of a portion of the structure of the present utility model.

FIG. 5 is a second exploded view of a portion of the structure of the present utility model.

In the figure: 1. a gun body; 2. a cover plate; 3. a mounting groove; 4. a clamping groove; 5. a sliding groove; 6. a spring fixing member; 7. a contact bridge fixing column; 8. an arc extinguishing chamber; 9. an arc striking piece; 10. flexibly connecting the U-shaped belt contacts; 11. an operation lever; 12. a contact bridge; 13. a reaction force spring; 14. a contact; 15. and a fixing groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a simple design device of a contact system as shown in figures 1-5, which comprises a gun body 1, wherein a cover plate 2 is movably arranged on the surface of the gun body 1, an arc extinguishing chamber 8 is fixedly arranged on one side of the interior of the gun body 1 through a mounting groove 3, an arc striking sheet 9 is fixedly connected in the interior of the arc extinguishing chamber 8, the gun body 1 is movably provided with a U-shaped soft contact connection 10 through a clamping groove 4, a counter force spring 13 is movably arranged at the position, close to one side, of the interior of the gun body 1 through a spring fixing piece 6, an operating rod 11 is movably connected at the position, close to the other side, of the interior of the gun body 1 through a sliding groove 5, a contact bridge fixing column 7 is fixedly arranged at the other side of the interior of the gun body 1, a contact bridge 12 is arranged near the contact bridge fixing column 7, the mounting groove 3 is arranged on one side of the interior of the gun body 1, the arc extinguishing chamber 8 is fixedly arranged in the interior of the mounting groove 3, the clamping groove 4 is arranged at the position, close to the edge, of one side of the gun body 1, the U-shaped soft connection 10 with the contact is clamped in the clamping groove 4, one end of the U-shaped soft connection 10 with the contact is propped against the arc striking piece 9, the spring fixing piece 6 is fixedly arranged at the position, close to one side, of the middle inside the gun body 1, the bottom of the counter-force spring 13 is sleeved on the outer wall of the spring fixing piece 6, the sliding groove 5 is arranged at the position, close to the other side, of the middle inside the gun body 1, the operating rod 11 is slidably connected in the sliding groove 5, the contact bridge 12 is inserted into the side surface of the operating rod 11, the middle position of the contact bridge 12 is propped against the contact bridge fixing column 7, one end of the contact bridge 12 is propped against one end of the U-shaped soft connection 10 with the contact through the contact 14, the surface of the contact bridge 12 is provided with the fixing groove 15 at one end, the upper end of the counter-force spring 13 is clamped on the outer wall of the fixing groove 15, after the contact bridge 12 passes through the operating rod 11, one side of the contact bridge 12 without silver points is placed on the contact bridge fixing column 7, the counter force spring 13 is pressed by hand and clamped into the column head of the operating rod 11, then the counter force spring 13 is released, the counter force spring 13 is sleeved on the outer wall of the fixing groove 15, then the arc striking sheet 9 is clamped into the fixing groove of the gun body 1 to be fixed, the arc striking sheet 9 is required to be ensured to be in the arc extinguishing chamber 8, and the U-shaped soft connection 10 with the contact is fixed between the side face of the gun body 1 and the arc striking sheet 9 and the contact bridge 12.

The working principle of the utility model is as follows: the utility model relates to a simple design device of a contact system, when an operating rod 11 moves downwards to break a gate, a counter-force spring 13 is compressed, a contact bridge 12 is instantly and flexibly connected with a U-shaped belt contact 10, and the contact bridge is used as a fulcrum to break the gate by taking a fixed column 7 of the contact bridge as a lever principle, so that the gate is quickly broken, and an arc is brought into an arc extinguishing chamber 8 by an arc striking sheet 9 to achieve the effect of quick arc extinguishing.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a simple and easy design device of contact system, includes rifle body (1), its characterized in that: the utility model discloses a gun, including rifle body (1), installation groove (3), explosion chamber (8) are installed through mounting groove (3) to the surface movable mounting of rifle body (1), the inside fixedly connected with arc striking piece (9) of explosion chamber (8), rifle body (1) are installed U type area contact flexonics (10) through draw-in groove (4) movable mounting, the inside middle of rifle body (1) is close to one side position department and is installed counter-force spring (13) through spring mounting (6) movable mounting, the inside middle of rifle body (1) is close to opposite side position department and is connected with action bars (11) through sliding tray (5) movable connection, the inside opposite side fixed mounting of rifle body (1) has contact bridge fixed column (7), the vicinity of contact bridge fixed column (7) is provided with contact bridge (12).

2. A simple design device for a contact system according to claim 1, wherein: the mounting groove (3) is formed in one side of the inside of the gun body (1), and the arc extinguishing chamber (8) is fixedly mounted in the mounting groove (3).

3. A simple design apparatus for a contact system according to claim 2, wherein: the clamping groove (4) is formed in the position, close to the edge, of one side of the gun body (1), the U-shaped soft connection (10) with the contact is clamped in the clamping groove (4), and one end of the U-shaped soft connection (10) with the contact abuts against the arc striking piece (9).

4. A simple design device for a contact system according to claim 3, characterized in that: the spring fixing piece (6) is fixedly arranged at the position close to one side in the middle of the interior of the gun body (1), and the bottom of the counter-force spring (13) is sleeved on the outer wall of the spring fixing piece (6).

5. The simple design apparatus for a contact system according to claim 4, wherein: the sliding groove (5) is arranged at the position, close to the other side, of the middle of the gun body (1), and the operating rod (11) is connected in the sliding groove (5) in a sliding mode.

6. A simple design device for a contact system according to any one of claims 1-5, characterized in that: the contact bridge (12) is inserted into the side surface of the operating rod (11), and the middle position of the contact bridge (12) is propped against the contact bridge fixing column (7).

7. The simple design apparatus for a contact system of claim 6, wherein: one end of the contact bridge (12) is propped against one end of the U-shaped soft connection (10) with the contact through the contact (14), a fixing groove (15) is formed in one end, close to the contact (14), of the surface of the contact bridge (12), and the upper end of the counter force spring (13) is clamped on the outer wall of the fixing groove (15).