CN219958852U - High-power open-type knife switch - Google Patents

Abstract

The utility model discloses a high-power open type knife switch which comprises a base and a knife switch combination, wherein a plurality of knife switch combinations are clamped at the top of the base, a threaded hole is formed in one side of the base, a bolt is connected in the threaded hole in a threaded mode, a movable cavity is formed in the base, a guide rod is connected in a sliding mode in the movable cavity in a sliding mode, a push rod which is opposite to the knife switch combination in number is fixedly connected to the guide rod, a plurality of mounting holes are formed in the surface of the base, a mounting cavity is formed in the base and located in front of the movable cavity, the mounting holes are communicated with the mounting cavity, the movable cavity is communicated with the mounting cavity, and the movable cavity is communicated with the threaded hole. The high-power open-type knife switch is convenient to install through the combined action of the structures, saves a great amount of time and energy of people, and is convenient for people to use.

Description

High-power open-type knife switch

Technical Field

The utility model relates to the technical field of switches, in particular to a high-power open type knife switch.

Background

The open-type knife switch is a switch with a moving contact, which is wedged or separated with a fixed contact on a base through the moving contact to switch on or switch off a circuit. The functions of the device are two: the first is to isolate the power supply to ensure the safety of circuit and equipment maintenance; and the second is breaking load, such as switching on and off low-voltage circuits with low capacity infrequently or directly starting a small-capacity motor.

In the prior art, because the wrench is suitable for the high-power condition, most manufacturers deal with the high-power condition by additionally arranging a plurality of groups of knife switch combinations, then the knife switch combinations are arranged on a base in a bolt connection mode, and the installation inconvenience can be brought by the bolt installation under the plurality of groups of knife switch combinations, and the process of tightening the bolts by a wrench can be blocked by the side knife switch combinations, thereby being time-consuming and labor-consuming.

Disclosure of Invention

The utility model aims to provide a high-power open type knife switch, which is used for solving the problems in the prior art mentioned in the background art, and is suitable for the high-power situation, so that most manufacturers are additionally provided with a plurality of groups of knife switch combinations to deal with the high-power situation, then the knife switch combinations are arranged on a base in a bolt connection mode, the installation inconvenience can be brought by the bolt installation of the plurality of groups of knife switch combinations, and the situation that the knife switch combinations beside the spanner are blocked in the process of screwing the bolt can occur, so that time and labor are wasted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-power open-type knife switch, includes base and knife switch combination, base top joint has a plurality of knife switch combination, screw hole has been seted up to base one side, just threaded hole threaded connection has the bolt, the movable chamber has been seted up in the base, sliding connection has the guide arm in the movable chamber, fixedly connected with and the ejector pin of knife switch combination relative quantity on the guide arm, a plurality of installing port has been seted up on the base surface, the inside installation cavity that has seted up that is located the movable chamber in front of base, the installing port communicates with each other with the installation cavity, the movable chamber communicates with each other with the screw hole.

Preferably, a fixed cavity is formed in the bottom of the knife switch assembly, one end of a reset spring is fixedly connected in the fixed cavity, and the other end of the reset spring is fixedly connected with a first hook.

Preferably, one end of the guide rod, which is close to the bolt, is fixedly connected with a bearing, and the bolt is rotationally connected with the bearing.

Preferably, a second hook matched with the first hook is fixedly arranged at the bottom of the installation cavity.

Preferably, the ejector rod is movable in the mounting cavity.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

the high-power open-type knife switch is convenient to install through the combined action of the structures, saves a great amount of time and energy of people, and is convenient for people to use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high power open-type knife switch according to the present utility model;

FIG. 2 is a schematic diagram showing a front view of a high-power open-type knife switch according to the present utility model;

FIG. 3 is a schematic diagram of a left-hand structure of a high-power open-type knife switch according to the present utility model;

FIG. 4 is a schematic top view of a base of a high power open-type knife switch according to the present utility model;

fig. 5 is an enlarged schematic view of a portion a of a high-power open-type knife switch according to the present utility model.

1. A base; 2. a knife switch combination; 3. a bolt; 4. a fixed cavity; 5. a return spring; 6. a threaded hole;

7. a bearing; 8. a movable cavity; 9. a guide rod; 10. a mounting cavity; 11. a push rod; 12. a first hook;

13. a second hook; 14. and (5) an installation port.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, construct and operate in the specific direction, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1-5 are schematic structural views of a high-power open type knife switch according to a preferred embodiment of the present utility model, in this embodiment, the high-power open type knife switch includes a base 1 and a knife switch assembly 2, a plurality of knife switch assemblies 2 are clamped at the top of the base 1, a threaded hole 6 is formed on one side of the base 1, a bolt 3 is connected in the threaded hole 6 in a threaded manner, the structure is provided such that the bolt 3 can be used in a rotating manner, the bolt can extend into the bolt by rotation of the thread, a movable cavity 8 is formed in the base 1 to facilitate sliding of a guide rod 9, a guide rod 9 is connected in a sliding manner in the movable cavity 8, a plurality of ejector rods 11 corresponding to the knife switch assemblies 2 are fixedly connected to the guide rod 9, a plurality of mounting openings 14 are formed on the surface of the base 1, a mounting position of the knife switch assembly 2 can be confirmed through the mounting openings 14, a mounting cavity 10 is formed in front of the movable cavity 8 in the base 1, the mounting opening 14 is communicated with the mounting cavity 10, the movable cavity 8 is communicated with the mounting cavity 10, and the movable cavity 8 is communicated with the threaded hole 6.

In this embodiment, fixed chamber 4 has been seted up to knife switch combination 2 bottom, and fixed intracavity 4 fixedly connected with reset spring 5 one end, reset spring 5 other end fixedly connected with first couple 12 can make first couple 12 can resume the original state fast through this structure setting.

In the embodiment, the bearing 7 is fixedly connected to one end, close to the bolt 3, of the guide rod 9, the bolt 3 is rotationally connected with the bearing 7, and the guide rod 9 can not be driven to rotate when the bolt 3 rotates through the structural arrangement.

In this embodiment, the bottom of the installation cavity 10 is fixedly provided with the second hook 13 matched with the first hook 12, and by means of the structure, the first hook 12 is matched with the second hook 13, so that the knife switch assembly 2 can be fixed on the base 1.

In this embodiment, the ejector rod 11 moves inside the installation cavity 10.

Working principle:

when the tool switch assembly is used, when the tool switch assembly is required to be installed, after the first hooks 12 below the plurality of tool switch assemblies 2 are aligned with the installation openings 14, the bolts 3 are rotated clockwise, the bolts 3 are meshed through threads to move towards the movable cavity 8 to drive the guide rods 9 to slide rightwards, the ejector rods 11 on the guide rods 9 move rightwards along with the movement rightwards, the ejector rods 11 move along with the middle of the back surfaces of the first hooks 12, the reset springs 5 are pulled and torn apart, and the tool switch assemblies 2 and the base 1 can be locked when the first hooks 12 are moved to be propped against the second hooks 13. Similarly, when the tool is required to be disassembled, the bolt 3 is withdrawn from the threaded opening by rotating the bolt 3 anticlockwise, the guide rod 9 is driven to slide leftwards, the ejector rod 11 also moves leftwards, and the first hook 12 is quickly pulled back by the reset spring 5, so that the tool switch assembly 2 and the base 1 are disassembled.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (5)

1. The utility model provides a high-power open-type knife switch, includes base (1) and knife switch combination (2), its characterized in that: the utility model discloses a knife switch assembly, including base (1), screw hole (6) have been seted up to base (1) top joint, just screw hole (6) female connection has bolt (3), movable chamber (8) have been seted up in base (1), sliding connection has guide arm (9) in movable chamber (8), fixedly connected with and push rod (11) of knife switch assembly (2) relative quantity on guide arm (9), a plurality of installing port (14) have been seted up on base (1) surface, install chamber (10) have been seted up to base (1) inside place ahead in movable chamber (8), install port (14) communicate with each other with install chamber (10), movable chamber (8) communicate with each other with screw hole (6).

2. The high power on knife switch of claim 1, wherein: the knife switch assembly is characterized in that a fixed cavity (4) is formed in the bottom of the knife switch assembly (2), one end of a reset spring (5) is fixedly connected in the fixed cavity (4), and a first hook (12) is fixedly connected with the other end of the reset spring (5).

3. The high power on knife switch of claim 1, wherein: one end of the guide rod (9) close to the bolt (3) is fixedly connected with a bearing (7), and the bolt (3) is rotationally connected with the bearing (7).

4. The high power on knife switch of claim 1, wherein: the bottom of the installation cavity (10) is fixedly provided with a second hook (13) matched with the first hook (12).

5. The high power on knife switch of claim 1, wherein: the ejector rod (11) is movably arranged in the mounting cavity (10).