CN208157980U - Insulating tool for low-pressure fusing disconnecting switch - Google Patents

Abstract

The utility model relates to power equipment safety operational instrument technical fields, more particularly, to a kind of insulating tool for low-pressure fusing disconnecting switch.For the insulating tool of low-pressure fusing disconnecting switch, including box body, box body is provided with opening, and box body has front side wall, and front side wall is opposite with the position of opening, and front side wall is provided with suspension eye；The plate face of the top plate of box body and the plate face of front side wall are vertical, top plate setting is fluted, first cell wall of groove is provided with limit plate, gap setting between limit plate and the first cell wall, to form the channel for accommodating connecting terminal, wherein, the static contact of low-pressure fusing disconnecting switch is located at the inside of box body.The utility model can ensure to have apparent barrier between the moving contact of disconnecting switch and static contact, provide a reliable electrical separation, can be effectively prevented the generation of disconnecting switch switching on earth wire accident, guarantee construction is gone on smoothly and equipment safety operation.

Description

Insulating tool for low-pressure fusing disconnecting switch

Technical field

The utility model relates to power equipment safety operational instrument technical fields, fuse more particularly, to one kind for low pressure The insulating tool of formula disconnecting switch.

Background technique

Low-pressure fusing disconnecting switch is cheap, stable, easy to maintenance due to having the advantages that, is widely used In bench type step down side outlet.Existing low-pressure fusing disconnecting switch, generally comprises mounting seat, is mounted on installation Static contact and moving contact and fuse link on pedestal, are hinged with blade on moving contact, and the other end of blade is closing the switch When connect with static contact；Static contact and moving contact are separately mounted on insulated column.

In the power system, low-pressure fusing disconnecting switch controls the on-off of electric current with significant importance.Work as fusing When piece fuses, need electric power personnel that moving contact is disassembled replacement fuse link in time, then install.

Power supply station rural area low-voltage circuit at present, due to historical reasons, most equipment facility is outmoded, and public change is only low It presses fuse type disconnector as control device, there is no series load switch protection, and there are many single transformers for more sets Disconnecting switch outlet phenomenon.When 0.4kV route back segment constructs or replaces individual shabby electricity box, in order to avoid giving same transformer-supplied Without causing to have a power failure in the user of same isolation switch outlet, just it is grounded in line side after disconnecting switch can only be pulled open.It is equivalent to Low-pressure side just carrys additionally ground wire in the state of only pulling open disconnecting switch and low-voltage circuit is switched to inspecting state.It is will lead in this way at certain Easily cause switching on earth wire in special circumstances a bit.Such as：A certain area has low pressure to be isolated three, and three road of low-pressure line-outgoing is applied now Worker person only constructs in a certain line end, carries out safety measure, after hanging up properly nameplate, construction point is gone to construct.There is a villager Thus the elongated rod shape object for shouldering bamboo pole, China fir etc passes through, the process that elongated rod shape object upwarps just touches the dynamic of disconnecting switch Contact makes its combined floodgate.Switching on earth wire accident is resulted in this way, and damage very serious will be caused to equipment.

Utility model content

The purpose of this utility model is to provide a kind of insulating tools for low-pressure fusing disconnecting switch, existing to solve There is the technical issues of disconnecting switch switching on earth wire accident is easy to happen present in technology.

Based on above-mentioned purpose, the utility model provides a kind of insulating tool for low-pressure fusing disconnecting switch, packet Box body is included, the box body is provided with opening, and the box body has front side wall, the position phase of the front side wall and the opening It is right, and the front side wall is provided with suspension eye；The plate face of the top plate of the box body is vertical with the plate face of the front side wall, the top Plate setting is fluted, and the first cell wall of the groove is provided with limit plate, gap between the limit plate and first cell wall Setting, to form the channel for accommodating connecting terminal, wherein the static contact of the low-pressure fusing disconnecting switch is located at described The inside of box body.

Further, in certain embodiments, the limit plate is bent plate, and the bent plate includes transverse plate and vertical plate, The length direction of the transverse plate is vertical with the length direction of the vertical plate, the transverse plate and the fixed company of first cell wall It connects, gap setting between the vertical plate and first cell wall.

Further, in certain embodiments, the transverse plate is provided with arc groove, and the inner surface of the arc groove can It fits with the outer surface of the connecting terminal.

Further, in certain embodiments, the radius of the arc groove is 1~2cm.

Further, in certain embodiments, the width of the transverse plate is 1~2cm, and the length of the transverse plate is 2 ~4cm, the width of the vertical plate are 1~2cm.

Further, in certain embodiments, the depth of the groove is 8~11cm, the width of the groove is 8~ 11cm。

Further, in certain embodiments, the shape of the suspension eye be rectangle, a length of 2~4cm of the rectangle, The width of the rectangle is 2~4cm.

Further, in certain embodiments, the shape of the suspension eye is circle, the aperture of the suspension eye is 2~ 4cm。

Further, in certain embodiments, the material of the box body is high-voltage isulation offset plate.

Further, in certain embodiments, a length of 16~19cm of the box body, the width of the box body are 8~11cm, A height of 12~15cm of the box body.

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

Insulating tool provided by the utility model for low-pressure fusing disconnecting switch, including box body, the box body are set It is equipped with opening, and the box body has front side wall, the front side wall is opposite with the position of the opening, and the front side wall is arranged There is suspension eye；The plate face of the top plate of the box body is vertical with the plate face of the front side wall, and the top plate setting is fluted, described recessed First cell wall of slot is provided with limit plate, gap setting between the limit plate and first cell wall, to be formed for accommodating The channel of connecting terminal, wherein the static contact of the low-pressure fusing disconnecting switch is located at the inside of the box body.

Based on the structure, the insulating tool provided by the utility model for low-pressure fusing disconnecting switch, it can be ensured that There is apparent barrier between the moving contact and static contact of disconnecting switch, provides a reliable electrical separation, it can be effectively The generation of disconnecting switch switching on earth wire accident is prevented, guarantee construction is gone on smoothly and equipment safety operation.When implementing, by box The opening of body is directed at low-pressure fusing disconnecting switch, and the notch of groove is directed at connecting terminal, to the direction close to disconnecting switch Box is pushed away, so that the slot bottom of groove comes close to or in contact with connecting terminal, then moves box body, so that the first cell wall is close to terminals Son, and it is located at connecting terminal in channel, at this point, limit plate is contacted with connecting terminal, do not fall out, so that static contact is provide with With tray interior, be effectively prevented moving contact and contacted with static contact, reduce due to negligence at work, awareness of safety is not high or other are former The incidence of misoperation fault (for example, with ground wire close disconnecting link) caused by thus, effectively ensured construction go on smoothly and The safe operation of equipment.

In addition, being easy to use insulating bar that the insulating tool is located at the higher low pressure in position by setting suspension eye and melting In disconnected formula disconnecting switch.

In conclusion the utility model has the advantages that above-mentioned many and practical value, and there are no in similar product Similar method is published or is used and really belongs to innovation, produces preferable practical effect, and have extensive industry valence Value.

Attached drawing will be cooperated below, elaborated.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is that the structure for the insulating tool for low-pressure fusing disconnecting switch that the utility model embodiment one provides is shown It is intended to；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is the main view of Fig. 1；

Fig. 4 is the main view for the insulating tool for low-pressure fusing disconnecting switch that the utility model embodiment one provides Figure.

Icon：101- front side wall；102- suspension eye；103- top plate；104- bottom plate；105- left side wall；106- right side wall； The channel 107-；108- transverse plate；109- vertical plate；110- arc groove；The first cell wall of 111-；112- handle.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ", " right side ", "vertical", "horizontal", "inner", "outside" etc., the orientation or positional relationship of instruction are orientation based on the figure or position Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy The property wanted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

Embodiment one

Referring to shown in Fig. 1 to Fig. 3, present embodiments providing a kind of insulating tool for low-pressure fusing disconnecting switch, Including box body, box body is provided with opening, and box body has front side wall 101, and front side wall 101 is opposite with the position of opening, and front side Wall 101 is provided with suspension eye 102；The plate face of the top plate 103 of box body is vertical with the plate face of front side wall 101, and top plate 103 is provided with recessed Slot, the first cell wall 111 of groove are provided with limit plate, gap setting between limit plate and the first cell wall 111, to be formed for holding Receive the channel 107 of connecting terminal, wherein the static contact of low-pressure fusing disconnecting switch is located at the inside of box body.In the present embodiment, Box body also has left side wall 105 and right side wall 106.

Based on the structure, the insulating tool provided in this embodiment for low-pressure fusing disconnecting switch, it can be ensured that every Leaving between the moving contact of pass and static contact has apparent barrier, provides a reliable electrical separation, can effectively prevent The only generation of disconnecting switch switching on earth wire accident, guarantee construction is gone on smoothly and equipment safety operation.When implementing, by box body Opening be directed at low-pressure fusing disconnecting switch, the notch of groove is directed at connecting terminal, is pushed away to the direction close to disconnecting switch Then box moves box body so that the slot bottom of groove comes close to or in contact with connecting terminal, so that the first cell wall 111 is close to wiring Terminal, and it is located at connecting terminal in channel 107, at this point, limit plate is contacted with connecting terminal, do not fall out, thus by stationary contact Head-shield is set and tray interior, is effectively prevented moving contact and contacts with static contact, reduce due to negligence at work, awareness of safety it is not high or Other reasons and caused by misoperation fault (for example, with ground wire close disconnecting link) incidence, effectively ensured the smooth of construction Carry out the safe operation with equipment.

In addition, being easy to use insulating bar that the insulating tool is located at the higher low pressure in position by setting suspension eye 102 On fuse type disconnector.

Further, shown in Figure 2, in certain embodiments, limit plate is bent plate, and bent plate includes 108 He of transverse plate The length direction of vertical plate 109, transverse plate 108 is vertical with the length direction of vertical plate 109, transverse plate 108 and the first cell wall 111 It is fixedly connected, gap setting between vertical plate 109 and the first cell wall 111.

Box body is covered on low-pressure fusing disconnecting switch, connecting terminal can just be located at transverse plate 108, vertical plate 109 and first cell wall 111 formed space in, that is to say, that box body can be hung on connecting terminal, prevented from sliding, be improved Safety in utilization.

Further, in certain embodiments, transverse plate 108 is provided with arc groove 110, the inner surface energy of arc groove 110 Enough outer surfaces with connecting terminal fit.

By the way that arc groove 110 is arranged in transverse plate 108, can preferably fit with the outer surface of connecting terminal, into one Step plays position-limiting action, prevents box body from sliding.

Further, in certain embodiments, the radius of arc groove 110 is 1~2cm.Such mode can be with wiring The outer surface of terminal matches.

Further, in certain embodiments, the width a of transverse plate 108 is 1~2cm, and the length b of transverse plate 108 is 2 ~4cm, the width c of vertical plate 109 are 1~2cm.

Such mode can not only meet the mechanical strength of transverse plate 108 and vertical plate 109, and can satisfy light Portable requirement.

Further, in certain embodiments, the depth d of groove is 8~11cm, and the width e of groove is 8~11cm.

The size can be suitable for most of low-pressure fusing disconnecting switchs, and the scope of application is wider, meanwhile, it is capable to guarantee box Body is more securely placed on low-pressure fusing disconnecting switch, and insulation effect is more preferable.

Further, shown in Figure 3, in certain embodiments, the shape of suspension eye 102 is rectangle, a length of the 2 of rectangle ~4cm, the width of rectangle are 2~4cm.The size can cooperate insulating bar common at present to use.

Further, in further embodiments, the shape of suspension eye 102 is circle, the aperture of suspension eye 102 is 2~ 4cm.The size can cooperate insulating bar common at present to use.

Further, in certain embodiments, the material of box body is high-voltage isulation offset plate.

In the optinal plan, high-voltage isulation offset plate with a thickness of 0.2~0.3cm, such mode can guarantee box body Total quality is lighter, easy to carry.

Further, in certain embodiments, the long L of box body is 16~19cm, and the wide W of box body is 8~11cm, box body High H is 12~15cm.The size can be suitable for most of low-pressure fusing disconnecting switchs, and the scope of application is wider.

Embodiment two

Shown in Figure 4, the present embodiment also provides a kind of insulating tool for low-pressure fusing disconnecting switch, this reality The insulating tool for low-pressure fusing disconnecting switch for applying example is improvement on the basis of example 1, reality in addition to this The technical solution for applying example one also belongs to the embodiment, is not repeated to describe herein.Identical components use and one phase of embodiment Same appended drawing reference, herein referring to the description to embodiment one.

It further include handle 112 in the present embodiment, handle 112 is fixedly connected with box body.

By the way that handle 112 is arranged, carried convenient for construction personnel, it is very convenient.

Optionally, shown in Figure 4, handle 112 is fixedly connected with the outer surface of the bottom plate 104 of box body.

It should be noted that handle 112 can also be with top plate 103, front side wall 101, left side wall 105 and the right side wall of box body One of 106 connections.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand：It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of insulating tool for low-pressure fusing disconnecting switch, which is characterized in that including box body, the box body is provided with Opening, and the box body have front side wall, the front side wall is opposite with the position of the opening, and the front side wall be provided with it is outstanding Lifting hole(eyelet)；The plate face of the top plate of the box body is vertical with the plate face of the front side wall, and the top plate setting is fluted, the groove First cell wall is provided with limit plate, gap setting between the limit plate and first cell wall, to be formed for accommodating wiring The channel of terminal, wherein the static contact of the low-pressure fusing disconnecting switch is located at the inside of the box body.

2. the insulating tool according to claim 1 for low-pressure fusing disconnecting switch, which is characterized in that the limit Plate is bent plate, and the bent plate includes transverse plate and vertical plate, the length side of the length direction of the transverse plate and the vertical plate To vertical, the transverse plate is fixedly connected with first cell wall, gap setting between the vertical plate and first cell wall.

3. the insulating tool according to claim 2 for low-pressure fusing disconnecting switch, which is characterized in that the transverse direction Plate is provided with arc groove, and the inner surface of the arc groove can fit with the outer surface of the connecting terminal.

4. the insulating tool according to claim 3 for low-pressure fusing disconnecting switch, which is characterized in that the arc The radius of slot is 1~2cm.

5. the insulating tool according to claim 2 for low-pressure fusing disconnecting switch, which is characterized in that the transverse direction The width of plate is 1~2cm, and the length of the transverse plate is 2~4cm, and the width of the vertical plate is 1~2cm.

6. the insulating tool according to any one of claim 1 to 5 for low-pressure fusing disconnecting switch, feature exist In the depth of the groove is 8~11cm, and the width of the groove is 8~11cm.

7. the insulating tool according to any one of claim 1 to 5 for low-pressure fusing disconnecting switch, feature exist In the shape of the suspension eye is rectangle, and a length of 2~4cm of the rectangle, the width of the rectangle is 2~4cm.

8. the insulating tool according to any one of claim 1 to 5 for low-pressure fusing disconnecting switch, feature exist In the shape of the suspension eye is circle, and the aperture of the suspension eye is 2~4cm.

9. the insulating tool according to any one of claim 1 to 5 for low-pressure fusing disconnecting switch, feature exist In the material of the box body is high-voltage isulation offset plate.

10. the insulating tool according to any one of claim 1 to 5 for low-pressure fusing disconnecting switch, feature It is, a length of 16~19cm of the box body, the width of the box body is 8~11cm, a height of 12~15cm of the box body.