CN203895338U - Isolation switch for high voltage isolation cabinet - Google Patents

Abstract

The utility model discloses an isolation switch for a high voltage isolation cabinet. The isolation switch comprises a tool rest, the upper part of the tool rest is provided with a first support member, the lower part of the tool rest is provided with a second support member, the second support member is hinged to a moving contact, the right side of the moving contact is hinged to one end of a first swing arm, a connecting rod penetrates through the front surface and the rear surface in the tool rest, the circumference of the connecting rod is welded with a second swing arm, the other end of the second swing arm is hinged to the other end of the first swing arm via a swing shaft, the outer end of the connecting rod is welded with a connecting rod sleeve, a regular polygon groove is arranged in an outer end surface of the connecting rod sleeve, an operating rod matched with the groove is horizontally clamped in the groove, the axial center of the operating rod is vertically provided with a handle in a penetrating manner, and two ends of the handle are provided with blocking heads. According to the isolation switch, the operating rod and the handle are integrated to form a new operating mechanism so that problems that the manufacture of the operating mechanism is difficult and the operating mechanism can be used after installation are solved.

Description

A kind of isolating switch for high pressure isolation cabinet

Technical field

The utility model relates to high pressure isolation cabinet technical field, is specifically related to a kind of isolating switch for high pressure isolation cabinet.

Background technology

High voltage isolator is important device for switching in power plant and transformer station's electrical system, need support the use with primary cut-out, its major function is: ensure High-Voltage Electrical Appliances and the safety of device in the time of service work, play isolation voltage, can not with cut off, drop into load current and cut-off short circuit current, only can be used for not producing some handover operation of powerful electric arc, that is to say that it does not have arc-suppression function; Be divided into by infield difference, formula outside formula and room, is divided into by insulation column number within doors, open side type, and queen post and three pillar type, each electric pressure has optional equipment.

The installation of existing isolating switch need to will have certain difference in height with operating mechanism; If isolating switch and operating mechanism difference in height are inadequate, cause operating difficulties maybe cannot produce a desired effect; Operating mechanism complex structure is made difficulty; Can there is connecting rod dislocation in long-time use of isolating switch, combined floodgate cannot put in place, must readjust later; Operating mechanism need to be installed and could use, machine one operating mechanism, waste resource.

Utility model content

For solving the problems of the technologies described above, we have proposed a kind of isolating switch for high pressure isolation cabinet, have solved that isolating switch and operating mechanism difference in height cause not operating difficulties, make operating mechanism difficulty, operating mechanism need to be installed and could use, the connecting rod problem that causes combined floodgate to put in place that misplaces can occur later in isolating switch use for a long time.

For achieving the above object, the technical solution of the utility model is as follows:

For an isolating switch for high pressure isolation cabinet, comprise knife rest, the top in described knife rest left side is installed with strutting piece one, and the outer cover of described strutting piece one is provided with porcelain vase one, and the left end top of described strutting piece one is also provided with busbar connector one;

The bottom in described knife rest left side is installed with strutting piece two, the outside of described strutting piece two is also arranged with porcelain vase two, the left end bottom of described strutting piece two is provided with busbar connector two, on the strutting piece two of described busbar connector two left ends, be also hinged with moving contact, the middle part on described moving contact right side is articulated with one end of swing arm one, and the outer cover of described swing arm one is provided with porcelain vase three;

Between the two sides, front and back in described knife rest, be penetrated with connecting rod, on the border of described connecting rod, be welded with swing arm two, the other end of described swing arm two is hinged by the other end of balance staff and described swing arm one, the outer end of described connecting rod is welded with connecting rod cover, in the outer face of described connecting rod cover, have regular polygon groove, in described groove, card level is provided with suitable action bars, and described joystick shaft Xiang center is equipped with handle up and down, and the two ends of described handle are provided with stopper.

Preferably, described groove is square.

By technique scheme,, can there is the connecting rod problem that causes combined floodgate to put in place that misplaces by arranging in a kind of isolating switch for high pressure isolation cabinet the utility model proposes after novel linkage has solved that isolating switch is long-time and uses; By the Novel operating mechanism of setting operation bar and handle one, solve isolating switch and operating mechanism difference in height and caused not operating difficulties, making operating mechanism difficulty, operating mechanism that the problem that could use need to be installed.

Brief description of the drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is that the master of the disclosed a kind of isolating switch for high pressure isolation cabinet of the utility model embodiment looks schematic diagram;

Fig. 2 is that schematic diagram is looked on a left side for the disclosed a kind of isolating switch for high pressure isolation cabinet of the utility model embodiment;

Fig. 3 is that the master of the operating grip of the disclosed a kind of isolating switch for high pressure isolation cabinet of the utility model embodiment looks schematic diagram;

Fig. 4 is the schematic top plan view of the operating grip of the disclosed a kind of isolating switch for high pressure isolation cabinet of the utility model embodiment;

Fig. 5 is that schematic diagram is looked on the right side of the operating grip of the disclosed a kind of isolating switch for high pressure isolation cabinet of the utility model embodiment.

Numeral and the represented corresponding component title of letter in figure:

1. knife rest 2. strutting piece one 3. porcelain vases one

4. busbar connector one 5. strutting piece 2 6. porcelain vases two

7. busbar connector 2 8. moving contact 9. swing arms one

10. porcelain vase 3 11. connecting rod 12. swing arms two

13. balance staff 14. connecting rods overlap 15. grooves

16. action bars 17. handle 18. stoppers.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Below in conjunction with embodiment and embodiment, the utility model is described in further detail.

Embodiment

As Figure 1-5, a kind of isolating switch for high pressure isolation cabinet, comprises knife rest 1, and the top in knife rest 1 left side is installed with strutting piece 1, and the outer cover of strutting piece 1 is provided with porcelain vase 1, and the left end top of strutting piece 1 is also provided with busbar connector 1.

The bottom in knife rest 1 left side is installed with strutting piece 25, the outer cover of strutting piece 25 is provided with porcelain vase 26, the left end bottom of strutting piece 25 is also provided with busbar connector 27, on the strutting piece 25 of busbar connector 27 left ends, be also hinged with moving contact 8 (in figure, 81 is the open mode of moving contact), the middle part on moving contact 8 right sides is articulated with one end of swing arm 1, and the outer cover of swing arm 1 is provided with porcelain vase 3 10.

Between the two sides, front and back in knife rest 1, be penetrated with connecting rod 11, on the border of connecting rod 11, be welded with swing arm 2 12, the other end of swing arm 2 12 is hinged with the other end of swing arm 1 by balance staff 13, the outer end of connecting rod 11 is welded with connecting rod cover 14, in the outer face of connecting rod cover 14, have square groove 15, the interior card level of groove 15 is provided with suitable action bars 16, the head of action bars 16 is square, can plug in groove 15, without installation, the axial center of action bars 16 is equipped with handle 17 up and down, and the two ends of handle 17 are provided with stopper 18.

Operation principle: pull handle 17, action bars 16 rotates, action bars 16 overlaps 15 drivening rods 11 by connecting rod and rotates, and swing arm 2 12 is rotated around connecting rod 11, and swing arm 2 12 drives swing arm 1 to move left and right by balance staff 13, and swing arm 1 drives the opening and closing movement of moving contact 8.

By technique scheme,, can there is the connecting rod problem that causes combined floodgate to put in place that misplaces by arranging in a kind of isolating switch for high pressure isolation cabinet the utility model proposes after novel linkage has solved that isolating switch is long-time and uses; Novel operating mechanism by setting operation bar 16 with handle 17 one, has solved isolating switch and operating mechanism difference in height and has caused not operating difficulties, making operating mechanism difficulty, operating mechanism that the problem that could use need to be installed.

Above-described is only the preferred implementation of a kind of isolating switch for high pressure isolation cabinet of the utility model; should be understood that; for the person of ordinary skill of the art; do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.

Claims (2)

1. the isolating switch for high pressure isolation cabinet, comprise knife rest, it is characterized in that, the top in described knife rest left side is installed with strutting piece one, the outer cover of described strutting piece one is provided with porcelain vase one, and the left end top of described strutting piece one is also provided with busbar connector one;

The bottom in described knife rest left side is installed with strutting piece two, the outside of described strutting piece two is also arranged with porcelain vase two, the left end bottom of described strutting piece two is provided with busbar connector two, on the strutting piece two of described busbar connector two left ends, be also hinged with moving contact, the middle part on described moving contact right side is articulated with one end of swing arm one, and the outer cover of described swing arm one is provided with porcelain vase three;

Between the two sides, front and back in described knife rest, be penetrated with connecting rod, on the border of described connecting rod, be welded with swing arm two, the other end of described swing arm two is hinged by the other end of balance staff and described swing arm one, the outer end of described connecting rod is welded with connecting rod cover, in the outer face of described connecting rod cover, have regular polygon groove, in described groove, card level is provided with suitable action bars, and described joystick shaft Xiang center is equipped with handle up and down, and the two ends of described handle are provided with stopper.

2. a kind of isolating switch for high pressure isolation cabinet according to claim 1, is characterized in that, described groove is square.