CN211238072U

CN211238072U - Knife switch locking device for electrical equipment

Info

Publication number: CN211238072U
Application number: CN201922024837.0U
Authority: CN
Inventors: 石亚勇
Original assignee: Yangzhou Ruiren Electronic Technology Co ltd
Current assignee: Yangzhou Ruiren Electronic Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-11
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a knife switch locking device for electrical equipment, which comprises a bottom plate, wherein the top surface of the bottom plate is provided with a knife groove, the inner wall of the knife groove is rotationally connected with a fixed column, the surface of the fixed column is fixedly connected with a knife rest, the lower end of the knife rest is fixedly connected with a handle, the handle and the knife rest are matched with the knife groove, the inner side of the knife rest is fixedly connected with a connecting sheet, and the middle part of the connecting sheet is fixedly; the utility model discloses, through being connected of two card strips and two draw-in grooves, improved the stability of card strip and snap ring locking, through the spring for contact head is more inseparable with being connected of contact, lets contact head and card strip separately be connected, and when the plug-in strip was closed, the electric meeting postpones the switch-on, has improved this plug-in strip switch's security like this, even spark appears in the contact groove, also can not touch people compare traditional plug-in strip switch on one's body, has reduced very big potential safety hazard.

Description

Knife switch locking device for electrical equipment

Technical Field

The utility model relates to an electrical equipment technical field specifically is a knife switch locking device for electrical equipment.

Background

The isolating switch is a switch device which is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions for a specified time when in the closed position.

At present, the common knife switch locking device on the market mostly relies on the friction between the clamping piece of the static contact and the knife switch to realize slight clamping, and such locking effect is poor, can switch on in the twinkling of an eye in the locking moreover, leads to the spark to produce and touch on people's health easily, causes the electric shock accident to take place, consequently has very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a knife switch locking device for electrical equipment possesses to lock effectually, avoids spark touching people's advantage, has solved and has leaded to the spark to produce and touch people's problem easily.

The utility model discloses a knife switch locking device for electrical equipment, comprising a bottom plate, the top surface of the bottom plate is provided with a knife groove, the inner wall of the knife groove is rotationally connected with a fixed column, the surface of the fixed column is fixedly connected with a knife rest, the lower end of the knife rest is fixedly connected with a handle, the handle and the knife rest are matched with the knife groove, the inner side of the knife rest is fixedly connected with a connecting sheet, the middle part of the connecting sheet is fixedly connected with a connecting column, the upper side and the lower side of the connecting column are both fixedly connected with clamping strips, the top surface of the bottom plate is provided with a contact groove, the bottom surface of the contact groove is fixedly connected with a contact body, the top surface of the bottom plate is fixedly connected with a snap ring, the upper side and the lower side of the snap ring are provided with clamping grooves, the bottom surface, through being connected of two card strips and two draw-in grooves, improved the stability of card strip and snap ring locking, through the spring for contact head is more inseparable with being connected of contact, lets contact head and card strip separately be connected, and when the plug-in strip was closed, the electric meeting postpones the switch-on, has improved this plug-in strip switch's security like this, even spark appears in the contact groove, also can not touch on one's body of people, compares traditional plug-in strip switch, has reduced very big potential safety hazard.

The utility model discloses a knife switch locking device for electrical equipment, wherein the top surface of knife rest passes through screw fixedly connected with stationary blade, and the stationary blade is made for non-metallic material, through the stationary blade, has consolidated the connectivity between the knife rest to prevent that the knife rest warp, the off normal in long-time use.

The utility model discloses a knife switch locking device for electrical equipment, wherein snap ring, spliced pole and contact groove are in on same centre of a circle, and card strip and draw-in groove looks adaptation are connected with the contact for the convenience.

The utility model discloses a knife switch locking device for electrical equipment, wherein the handle is made for insulating material, and the fixed surface of handle is connected with the rubber layer, and the rubber layer on the handle is the insulator, has increaseed the frictional force on the handle to let the smooth condition of people's hand reduce, further reduction potential safety hazard takes place.

The utility model discloses a knife switch locking device for electrical equipment, wherein the bottom plate passes through hinge fixedly connected with visor, visor and bottom plate looks adaptation, and the bottom of visor has seted up the handle groove, and the visor is made for transparent ya keli, can avoid external object to touch the knife switch through the visor to improve the device's security, transparent ya keli makes things convenient for people to observe the state of knife switch.

The utility model discloses a knife switch locking device for electrical equipment, wherein the rectangular channel has all been seted up to the upper and lower part on bottom plate right side, and the lug has all been seted up to the left upper and lower part of visor, and the left side fixedly connected with handle of visor, rectangular channel and lug can joint each other, and utilize the handle to open the protective housing, provide convenience for people.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses, through being connected of two card strips and two draw-in grooves, improved the stability of card strip and snap ring locking, through the spring for contact head is more inseparable with being connected of contact, lets contact head and card strip separately be connected, and when the plug-in strip was closed, the electric meeting postpones the switch-on, has improved this plug-in strip switch's security like this, even spark appears in the contact groove, also can not touch people on one's body, compare traditional plug-in strip switch, reduced very big potential safety hazard.

2. The utility model discloses, can avoid the external object to touch the plug-in strip through the visor to improve the device's security, through the stationary blade, consolidated the connectivity between the knife rest, thereby prevent that the knife rest warp in long-time use, the off normal has increaseed the frictional force on the handle through the rubber layer on the handle, thereby reduces the condition emergence that people's hand was smooth, and further reduction potential safety hazard takes place.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front sectional view of the connecting column;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a base plate; 2. a cutter groove; 3. a tool holder; 4. a fixing sheet; 5. fixing a column; 6. connecting sheets; 7. a handle; 8. connecting columns; 9. clamping the strip; 10. a snap ring; 11. a contact groove; 12. a contact body; 13. a circular groove; 14. a handle; 15. a chute; 16. a slide bar; 17. a contact head; 18. a card slot; 19. a handle slot; 20. a protective cover; 21. a bump; 22. a rectangular groove.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a knife switch locking device for electrical equipment, including a bottom plate 1, a knife groove 2 is provided on the top surface of the bottom plate 1, the inner wall of the knife groove 2 is rotatably connected with a fixed column 5, the surface of the fixed column 5 is fixedly connected with a knife rest 3, the lower end of the knife rest 3 is fixedly connected with a handle 7, the handle 7 and the knife rest 3 are adapted to the knife groove 2, the inner side of the knife rest 3 is fixedly connected with a connecting sheet 6, the middle part of the connecting sheet 6 is fixedly connected with a connecting column 8, the upper and lower sides of the connecting column 8 are both fixedly connected with a clamping bar 9, the top surface of the bottom plate 1 is provided with a contact groove 11, the inner wall bottom surface of the contact groove 11 is fixedly connected with a contact body 12, the top surface of the bottom plate 1 is fixedly connected with a clamping ring 10, the upper and, the side and the contact head 17 fixed connection of draw-bar 16, the contact head 17 passes through the inner wall top surface fixed connection of spring and circular slot 13, through being connected of two calorie of strips 9 and two draw-in grooves 18, the stability of card strip 9 with the locking of snap ring 10 has been improved, through the spring, make contact head 17 more inseparable with being connected of contact 12, let contact head 17 and card strip 9 separately be connected, when the plug-in strip is closed, the electric meeting delays the switch-on, the security of this plug-in strip switch has been improved like this, even spark appears in the contact slot 11, also touch on one's body that can't the people, compare traditional plug-in strip switch, very big potential safety hazard has been reduced.

The top surface of knife rest 3 passes through screw fixedly connected with stationary blade 4, and stationary blade 4 is made for non-metallic material, through stationary blade 4, has consolidated the connectivity between the knife rest 3 to prevent that knife rest 3 warp, the off normal in long-time use.

The snap ring 10, the connecting column 8 and the contact groove 11 are on the same center of circle, and the snap strip 9 is matched with the clamping groove 18, so that the contact head 17 is conveniently connected with the contact body 12.

The handle 7 is made of insulating materials, the rubber layer is fixedly connected to the surface of the handle 7, the rubber layer on the handle 7 is an insulator, and friction force on the handle 7 is increased, so that the condition that hands slide is reduced, and potential safety hazards are further reduced.

Bottom plate 1 passes through hinge fixedly connected with visor 20, visor 20 and 1 looks adaptation of bottom plate, and handle groove 19 has been seted up to the bottom of visor 20, and visor 20 is made for transparent ya keli, can avoid external object to touch the plug-in strip through visor 20 to improve the device's security, transparent ya keli makes things convenient for people to observe the state of plug-in strip.

Rectangular channel 22 has all been seted up to the last lower part on bottom plate 1 right side, and lug 21 has all been seted up to the left last lower part of visor 20, and visor 20's left surface fixedly connected with handle 14, rectangular channel 22 and lug 21 can joint each other, and utilize handle 14 to open the protective housing, provide convenience for people.

Use the utility model discloses the time, when people are using this knife switch, people can directly hold handle 7 with the hand, press down along sword groove 2, when calorie strip 9 contacts snap ring 10, just need all insert in draw-in groove 18 two card strips 9 around hard, when two card strips 9 all paste the bottom surface of two draw-in grooves 18, contact 17 just can support contact 12, contact 17's afterbody can be a spring compression segment this moment, thereby let the spring keep certain thrust, strengthen contact 17 and contact 12's connection effect, then people can hold handle 14 and rotate visor 20 through the hinge, and let two lugs 21 the card can in the inside of rectangular channel 22.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A knife switch locking device for electrical equipment, comprising a base plate (1), characterized in that: the top surface of the bottom plate (1) is provided with a knife groove (2), the inner wall of the knife groove (2) is rotatably connected with a fixed column (5), the surface of the fixed column (5) is fixedly connected with a knife rest (3), the lower end of the knife rest (3) is fixedly connected with a handle (7), the handle (7) and the knife rest (3) are matched with the knife groove (2), the inner side of the knife rest (3) is fixedly connected with a connecting sheet (6), the middle part of the connecting sheet (6) is fixedly connected with a connecting column (8), the upper side and the lower side of the connecting column (8) are both fixedly connected with clamping strips (9), the top surface of the bottom plate (1) is provided with a contact groove (11), the bottom surface of the inner wall of the contact groove (11) is fixedly connected with a contact body (12), the top surface of the bottom plate (1) is, circular slot (13) have been seted up to the bottom surface of spliced pole (8), spout (15) have been seted up to the inner wall of circular slot (13), the inner wall sliding connection of spout (15) has draw runner (16), the side and contact head (17) fixed connection of draw runner (16), contact head (17) are through the inner wall top surface fixed connection of spring with circular slot (13).

2. The blade switch locking device for electric equipment according to claim 1, characterized in that: the top surface of knife rest (3) passes through screw fixed connection and has stationary blade (4), stationary blade (4) are made for non-metallic material.

3. The blade switch locking device for electric equipment according to claim 1, characterized in that: the clamping ring (10), the connecting column (8) and the contact groove (11) are located on the same center of circle, and the clamping strip (9) is matched with the clamping groove (18).

4. The blade switch locking device for electric equipment according to claim 1, characterized in that: the handle (7) is made of an insulating material, and a rubber layer is fixedly connected to the surface of the handle (7).

5. The blade switch locking device for electric equipment according to claim 1, characterized in that: bottom plate (1) is through hinge fixedly connected with visor (20), visor (20) and bottom plate (1) looks adaptation, just handle groove (19) have been seted up to the bottom of visor (20), visor (20) are made for transparent ya keli.

6. The blade switch locking device for electric equipment according to claim 5, characterized in that: rectangular channel (22) have all been seted up to the upper and lower part on bottom plate (1) right side, lug (21) have all been seted up to the upper and lower part on visor (20) left side, the left surface fixedly connected with handle (14) of visor (20).