CN103036152A

CN103036152A - Probe case

Info

Publication number: CN103036152A
Application number: CN2012105775106A
Authority: CN
Inventors: 郑远
Original assignee: NINGBO DONGBO ELECTRIC POWER TECHNOLOGY Co Ltd
Current assignee: NINGBO DONGBO ELECTRIC POWER TECHNOLOGY Co Ltd
Priority date: 2012-12-27
Filing date: 2012-12-27
Publication date: 2013-04-10
Anticipated expiration: 2032-12-27
Also published as: CN103036152B

Abstract

The invention discloses a probe case and belongs to the field of insulating parts of a power distribution cabinet. The probe case comprises a shell body. A supporting piece which plays a supporting role is arranged under the shell body. The supporting piece is made of flexible materials and hollow. The supporting piece is further provided with an air hole, the air hole is closed through a plug, after the gas is released, and the supporting piece can be folded. Compared with the prior art, the probe case mainly solves the damage of the probe case caused by the shaking produced in the process of transporting, and meanwhile is capable of being conveniently installed. The probe case solves the problem that the installation direction of the existing probe case is easy to be mistaken.

Description

Contact box

Technical field

The invention belongs to the insulating part of power distribution cabinet, especially relate to a kind of contact box.

Background technology

In the High-Voltage Electrical Appliances field, the snare insulating part of high-tension switch cabinet has contact box, and curved dividing plate and sleeve pipe form, and contact box has the fade function of line, is a kind of requisite element.After using contact box, the installation of circuit and maintenance be very convenience all, and the quality of contact box quality has directly affected the fail safe of whole high-voltage switch gear.Now, contact box is generally epoxy resin APG operation pressure gel forming.Usually to increase strutting piece in the contact box bottom in the contact box transportation and protect the contact box bottom.These strutting piece major parts are that hard material is made, and the damage contact box may bump when running into huge jolting.Because the particularity when contact box is installed, when mounted, installation personnel and contact box can't be seen the whole of contact box across curved dividing plate, can only watch the contact box bottom attentively and expose curved dividing plate outer through hole and screw hole, can't notice whether the corresponding direction of contact box opening is correct.Simultaneously because the particularity on contact box surface, the contact box surface must be very smooth, can't be provided with on the contact box surface concavo-convex prompting thing, installation personnel also can't be judged the corresponding direction of contact box opening with sense of touch, so that when mounted, often there is the wrongly installed situation to occur, must reinstalls, waste time and energy.

Summary of the invention

The present invention is directed to deficiency of the prior art, a kind of contact box is provided, this contact box can effectively prevent the vibrations in the contact box transportation, can also be easily installed on the switch cubicle, and be difficult for the wrongly installed direction.

In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: a kind of contact box, comprise housing, the below of housing is provided with passive strutting piece, it is characterized in that, described strutting piece is made by flexible material and for hollow, this strutting piece also has a pore, pore is sealed by plug, emit gas after, this strutting piece can be folded.Arrange like this, strutting piece is softness and hollow, can inflation/deflation.Strutting piece is full of air in transportation, cushioning ability is stronger, the more effective contact box of having protected.Strutting piece also has a pore, and the time spent can not opened gas port venting, discharge gas after, soft strutting piece can folding storage, saves the space, and is recycling.

Scheme more specifically, described strutting piece has four support bars, wherein the length of three support bars is identical, the length of another support bar is less than the length of these three support bars, described housing lower end has four screwed holes, the bottom of one of them screwed hole has the pad of stopping, being located in this and having in the screwed hole that stops pad of the support bar that wherein said length is shorter is provided with an azimuth mark on described this strutting piece.Arrange like this, when contact box is installed, only need to again aligns the supports support bar, agree with the contact box screwed hole, just can very easily find to have the screwed hole that stops pad, determine the correct orientation of contact box.

The invention has the beneficial effects as follows: 1) in the contact box transportation, effectively reduce the contact box vibrations and avoid contact box with bad.2) contact box can conveniently be installed, the problem of easily the contact box installation direction being got wrong before solving.

Description of drawings

Fig. 1 is the closed schematic diagram of pore of the present invention.

Fig. 2 is the partial enlarged drawing at Fig. 1 and Fig. 4 A place.

Fig. 3 is bottom sectional view of the present invention.

Fig. 4 is stomatal opening schematic diagram of the present invention.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.

Referring to Fig. 1 and shown in Figure 3: a kind of contact box comprises installing hole 4, bottom 5 and opening 7.5 have screwed hole 1 and installing hole 4 in the bottom.Owing to there being when mounted curved dividing plate to intercept, installation personnel can only be seen the screwed hole 1 and installing hole 4 that exposes outside curved dividing plate, can't observe the direction of opening 7 correspondences.Owing to the particularity on contact box surface, the contact box surface must be smooth, can't be provided with on the contact box surface concavo-convex prompting thing, makes installation personnel also can't come with sense of touch the direction of induction contact box opening 7 simultaneously.Specific screwed hole 1 an interior fluorescent adhesive paper 2, installation personnel is across curved dividing plate screwed hole 1 inside that detects by an unaided eye, if fluorescence is sent in screwed hole 1 inside, can judge that then this is the screwed hole 1 that cue mark is arranged, and just can judge the direction of contact box opening 7 take this screwed hole 1 as basic point.Same, indicating device azimuth mark 3 can be set in the outer rim of installing hole 4, because whole installing hole 4 outer rims all are exposed at outside the curved dividing plate, installation personnel can the very fast direction of judging accurately opening 7 correspondences; In like manner azimuth mark can be marked in installing hole 4 internal diameters or be marked on installing hole 4 external diameters.Azimuth mark can be etched arrow mark or other marks.

Referring to Fig. 1 and shown in Figure 2, a kind of contact box comprises upper shell 9, lower house 10.Separable dismounting between upper shell 9 and the lower house 10.The local A place of amplifying comprises boss 13, groove 14 and woven wire 15.Boss 13 is in upper shell 9 lower ends, and around upper shell one week of 9 lower ends.Groove 14 is in lower house 10 upper ends, and around lower house one week of 10 upper ends.Woven wire 15 in groove 14 sidewalls, and along groove 14 around one week of contact box.When vertically contact box being installed, lower house 10 is installed first, lower house 10 is installed on the curved dividing plate.Then allow upper shell 9 and lower house divide 10 from, fixed contact is installed in the upper shell 9.After the fixed contact installation, the filler 12 of housing groove 14 interior perfusion specified quantitatives down.It is many that the amount of filler 12 can only be agreed with the required amount in rear space than groove 14 and boss 13, can not than lack.The epoxy resin that filler 12 is normally the same with the contact box material, silicon powder are listed as the mixture that is made into curing agent by certain ratio.After filler 12 has been filled with, make opening 7 aim at correct orientation, the boss 13 of upper shell 9 is aimed at the groove 14 of lower house 10, put down slowly upper shell 9, until upper shell 9 agrees with lower house 10.At this moment boss 13 apical graftings of upper shell 9 contact 14 ends of lower house 10 grooves, and 14 liang of wall apical graftings of lower house 10 grooves contact 13 ends of upper shell 9 boss.If filler 12 overflows, the filler 12 that overflows is wiped clean, filler 12 is stayed on the contact box outer wall.After upper-lower casing agreed with, the finedraw place was heated to 100 degrees centigrade between the contact box upper-lower casing, and made finedraw thermally equivalent between the upper-lower casing.At this moment woven wire 15 has again the effect of heat conduction, makes the filler 12 in groove 14 be heated more even.After fillers 12 in the groove 14 solidify, because the first projection 17 on the second projection 16 on groove 14 inwalls and boss 13 sidewalls, make the filler 12 after the curing be stuck in the groove 14 and can't move, make simultaneously that upper-lower casing is firmly fixing can not to be offset.The second projection 16 is continuous in 14 1 weeks of groove inwall.The first projection 17 is continuous in boss one week of 13 sidewalls.

Referring to shown in Figure 1: a kind of contact box comprises strutting piece 8 and bottom 5.Strutting piece 8 comprises support bar 6, pore 18 and plug 11.Strutting piece 8 is made by flexible material, middle hollow, and pore 18 is arranged at the bottom.In transit, in pore, blow afloat, strutting piece 8 is expanded, then strutting piece 8 is loaded onto on the contact box bottom 5.Because strutting piece 8 inside are full of air, in transportation, also can play good protection effect even run into strenuous vibration, are difficult for making the contact box collision, topple over.After transportation is finished, open plug 11 and allow pore 18 venting, discharge the air in strutting piece 8 bodies after, folding support member 8, the strutting piece 8 after folding like this can reduce floor space, the convenient transportation.4 screwed holes 1 are arranged at bottom 5.Support bar 6 is corresponding with screwed hole 1.Wherein have in the specific screwed hole 1 pad of stopping is arranged, therefore, the support bar 6 corresponding with this screwed hole 1 is shorter than other support bars 6.In the strutting piece corresponding with short support bar 8 bottoms azimuth mark is arranged.Like this, when contact box is installed, only need to again aligns the support bar 6 on the strutting piece 8, agree with contact box screwed hole 1, just can very easily find to have the screwed hole 1 that stops pad, determine the correct orientation of contact box.

Claims

1. contact box, comprise housing, the below of housing is provided with passive strutting piece (8), it is characterized in that, described strutting piece (8) is made by flexible material and for hollow, this strutting piece (8) also has a pore (18), and pore (18) is sealed by plug (11), after emitting gas, this strutting piece (8) can be folded.

2. contact box according to claim 1, it is characterized in that, described strutting piece (8) has four support bars (6), wherein the length of three support bars (6) is identical, the length of another support bar (6) is less than the length of these three support bars, described housing lower end has four screwed holes (1), the bottom of one of them screwed hole (1) has the pad of stopping, being located in this and having in the screwed hole (1) that stops pad of the support bar (6) that wherein said length is shorter is provided with an azimuth mark on described this strutting piece (8).