CN211208939U

CN211208939U - CT box for switch cabinet

Info

Publication number: CN211208939U
Application number: CN201922130398.1U
Authority: CN
Inventors: 韩承洁
Original assignee: Shanghai Changqing Sheet Metal Case Manufacturing Co ltd
Current assignee: Shanghai Changqing Sheet Metal Case Manufacturing Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-07
Anticipated expiration: 2029-11-30

Abstract

The utility model relates to a CT box for among cubical switchboard, it includes the box body, be equipped with the mounting panel along length direction in the box body, the box body all is equipped with one along length direction's both sides and prolongs the limit, is equipped with on the inner wall of cubical switchboard and prolongs limit matched with mounting groove, the mounting groove is equipped with a first baffle and a second baffle respectively along length direction's both ends, the one end along length direction of first baffle articulates on one of them mounting groove, all be equipped with a layer of rubber pad in the relative one side of first baffle and second baffle and the mounting groove; one end of the first baffle, which is far away from the hinged joint, is provided with a clamping strip, one side of the clamping strip, which faces the mounting groove, is provided with a groove, and the mounting groove is provided with a convex strip matched with the groove. The utility model discloses a rubber pad has increased the leakproofness between box body and the cubical switchboard, and the condition that the reduction water got into the box body and causes the current transformer short circuit takes place.

Description

CT box for switch cabinet

Technical Field

The utility model belongs to the technical field of the power equipment technique and specifically relates to a CT box for among cubical switchboard is related to.

Background

Chinese patent with publication number CN208723384U discloses a built-in current transformer distribution switch cabinet, including box and circuit breaker, isolator, load sleeve, current transformer and the generating line of assembly in the box, the vacuum interrupter utmost point post of circuit breaker and the isolator's that corresponds are connected, and each isolator's moving knife is articulated mutually with the inlet terminal of vacuum interrupter utmost point post, current transformer is located between isolator and the load sleeve, and adjacent with the load sleeve, and this current transformer secondary side is connected with relay protector inlet terminal through aviation plug, and on this relay protector's leading-out terminal received the action coil of circuit breaker, this isolator's stationary knife passed through the generating line with load sleeve link together the box in reserve have the cavity of filling the environmental protection gas.

The above prior art solutions have the following drawbacks: the switch cabinet is mostly used outdoors, and in rainy days, water easily enters the switch cabinet to cause short circuit of a Current Transformer (CT).

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, one of the purposes of the utility model is to provide a CT box for in cubical switchboard, it has waterproof effect.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a CT box for use in a switchgear cabinet, comprising: the switch cabinet is characterized by comprising a box body, wherein a mounting plate is arranged in the box body along the length direction, two sides of the box body along the length direction are respectively provided with an extending edge, the inner wall of the switch cabinet is provided with a mounting groove matched with the extending edge, two ends of the mounting groove along the length direction are respectively provided with a first baffle and a second baffle, one end of the first baffle along the length direction is hinged on one mounting groove, and one side of the first baffle opposite to the second baffle and the mounting groove are respectively provided with a layer of rubber pad; one end of the first baffle, which is far away from the hinged joint, is provided with a clamping strip, one side of the clamping strip, which faces the mounting groove, is provided with a groove, and the mounting groove is provided with a convex strip matched with the groove.

Through adopting above-mentioned technical scheme, the operator connects current transformer on the mounting panel, connect the mounting panel in the box body again, the operator will prolong the limit and the one end alignment of second baffle is kept away from to the mounting groove, the operator promotes the box body and removes, make and prolong the limit and imbed in the mounting groove completely, the operator rotates first baffle this moment, make card strip lock on the mounting groove, sand grip and groove coordination, make card strip and mounting groove fastening, thereby first baffle supports the box body tightly in the mounting groove, and then the quick convenient installation box body of operator of being convenient for, the rubber pad is with box body and mounting groove simultaneously, gap between first baffle and the second baffle is filled up, the leakproofness between box body and the cubical switchboard has been increased, and then the condition that water entering box body caused the current transformer short circuit takes place.

The utility model discloses in a preferred example can further configure to the box body includes two relative curb plates and sets up shape frame between two curb plates, extend the limit and set up on the curb plate, the mounting panel sets up on shape frame, a breach has been seted up simultaneously on the diapire of shape frame and the lateral wall, be equipped with shape apron with breach matched with on the outer wall of shape frame.

Through adopting above-mentioned technical scheme, the operator can overhaul current transformer through the breach, and shape apron lock can be sealed the breach in the outside of shape frame to the condition that reduces water entering box body takes place.

The present invention may be further configured in a preferred example that the outer wall of the -shaped frame is provided with a rubber ring along the circumferential direction of the notch.

Through adopting above-mentioned technical scheme, the rubber circle is made by the rubber material, and rubber self is softer, can fill up the gap between shape frame and the shape apron to can increase the leakproofness between shape apron and the shape frame, and then reduce the condition emergence that water got into the box body from the breach.

The present invention in a preferred embodiment is further configured such that two side walls of the -shaped frame are provided with a -shaped groove matching with the -shaped cover plate.

Through adopting above-mentioned technical scheme, the operator aligns the notch in short edge and the shape groove that shape apron, and the operator promotes shape apron for shape apron supports tightly in shape groove, thereby shape groove can be fixed shape apron, and then the quick convenient installation shape apron of the operator of being convenient for.

The utility model discloses can further configure into in a preferred example shape frame is equipped with two fixed blocks along breach length direction's bilateral symmetry, two a spout has all been seted up to the relative one side of fixed block, two equal sliding connection has a stopper in the spout, two one side that the stopper is relative and deviate from shape frame is equipped with the inclined plane, be equipped with the spring between the tank bottom of stopper and spout.

Through adopting above-mentioned technical scheme, the operator is promoting shape apron when removing to shape groove, shape apron is contradicted with the inclined plane, shape apron produces the inclined thrust to the stopper, push the stopper in the spout, the spring is compressed this moment, when shape apron is contradicted with the rubber circle, the spring is under the effect of elastic recovery power, the spout is stretched out to spring promotion part stopper, the stopper supports tightly shape apron on the rubber circle, thereby the stopper has played fixed effect to shape apron, and then be convenient for the quick convenient installation shape apron of operator.

The utility model discloses in a preferred example can further configure to wear to be equipped with the pull rod at the tank bottom of spout, pull rod one end is rotated and is connected on the stopper, the one end that the stopper was kept away from to the fixed block is equipped with first L shape pieces, the pull rod is at first L shape piece one side fixedly connected with and first L shape complementary second L shape piece of deviating from the fixed block.

Through adopting above-mentioned technical scheme, when the operator need overhaul current transformer, the operator pulls the pull rod and rotates 180 for first L shape piece is inconsistent with the relative one end of second L shape piece, and during the stopper moved back into the spout this moment, the stopper broke away from shape apron, and then be convenient for the operator pull down shape apron from shape frame fast convenient, so that the operator overhauls current transformer.

The present invention may be further configured in a preferred embodiment as: the two side plates are respectively provided with two through holes, the through holes are oppositely provided with a first sealing plate and a second sealing plate along the peripheral direction, the first sealing plate and the second sealing plate are both attached to the surfaces of the side plates, the first sealing plate and the second sealing plate are respectively symmetrically provided with two T-shaped grooves along the length direction, the side plates are provided with T-shaped blocks matched with the T-shaped grooves, and the first sealing plate and the second sealing plate are both connected to the T-shaped blocks in a sliding mode; a semicircular groove is formed in one side, opposite to the first sealing plate and the second sealing plate, of the first sealing plate, and a rubber block is arranged in the semicircular groove.

Through adopting above-mentioned technical scheme, the wire gets into the box body through the through-hole and is connected with current transformer, the operator promotes first closing plate and second closing plate and removes simultaneously, the moving direction of first closing plate and second closing plate has been restricted with the cooperation in T-shaped piece and T-shaped groove, the effect of direction has been played to first closing plate and second closing plate, make two semi-circular grooves align each other, press from both sides the wire tightly in the semi-circular groove, first closing plate and second closing plate seal the through-hole this moment, with the possibility that water got into the box body through the through-hole, the block rubber is made by the rubber material simultaneously, rubber self is softer easy deformation, the block rubber fills up the gap between wire and the semi-circular groove, thereby the block rubber plays sealed effect to the semi-circular groove, and then the condition that the reduction water got into the box body from the.

The utility model discloses can further configure in a preferred example that the first closing plate is seted up the draw-in groove that the cross-section is L shapes towards the one end of second closing plate, be equipped with the fixture block with draw-in groove matched with on the second closing plate.

Through adopting above-mentioned technical scheme, when first closing plate and second closing plate support each other tightly, the fixture block inserts in the draw-in groove for first closing plate and second closing plate fastening, thereby fixture block and draw-in groove have played fixed effect to first closing plate and second closing plate, and then reduce the automatic condition of opening of first closing plate and second closing plate and take place.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the rubber pad increases the sealing property between the box body and the switch cabinet, so that the short circuit of the current transformer caused by water entering the box body can be reduced;

2. the limiting block has a fixing effect on the -shaped cover plate, so that an operator can conveniently and quickly install the -shaped cover plate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural diagram for embodying an extended edge in the present embodiment.

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

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Fig. 5 is a schematic structural diagram for embodying a through hole in the present embodiment.

In the figure, the switch cabinet comprises a box body 1, a side plate 11, a side plate 111, an extending edge 12, an -shaped frame 121, a notch 2, a mounting plate 21, a mounting groove 22, a first baffle plate 23, a second baffle plate 24, a rubber pad 25, a clamping strip 26, a groove 27, a convex strip 3, a -shaped cover plate 31, a rubber ring 32, a -shaped groove 4, a fixing block 41, a sliding groove 42, a limiting block 421, a slope 43, a spring 44, a pull rod 45, a first L-shaped block 46, a second L-shaped block 5, a through hole 51, a first sealing plate 511, a clamping groove 52, a second sealing plate 521, a clamping block 53, a T-shaped groove 54, a T-shaped block 55, a semicircular groove 56, a rubber block 521, and a switch cabinet 6.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a CT box for among cubical switchboard, including box body 1, box body 1 includes the curb plate 11 of two relative settings and the shape frame 12 of riveting between two curb plates 11. the inside of box body 1 is equipped with the mounting panel 2 that is used for fixed current transformer, bolted connection is passed through respectively on two lateral walls of shape frame 12 at the both ends of mounting panel 2, be equipped with the mounting groove 21 that is used for fixed box body 1 on the lateral wall of cubical switchboard 6, mounting groove 21 is equipped with two along the length direction symmetry of box body 1, and the opening of two mounting grooves 21 sets up relatively, all be equipped with one on two curb plates 11 and extend limit 111 with mounting groove 21 matched with, the operator will extend limit 111 and align with mounting groove 21, and promote box body 1 along the length direction of mounting groove 21, so that the operator is quick convenient install box body 1 on the lateral wall of cubical switchboard 6.

Referring to fig. 1 and 3, two ends of each of the two mounting grooves 21 along the length direction are respectively provided with a first baffle 22 and a second baffle 23, one end of each of the first baffles 22 along the length direction is hinged to one of the mounting grooves 21, one end of each of the first baffles 22 away from the hinge point is provided with a clamping strip 25, a groove 26 is formed in each of the clamping strips 25, a protruding strip 27 matched with the groove 26 is arranged on each of the mounting grooves 21, and the cross sections of the groove 26 and the protruding strip 27 are semicircular. The operator is when promoting box body 1, second baffle 23 can restrict the displacement of box body 1, play the effect that stops to box body 1, take place with the condition that reduces the operator and push away box body 1, operator upset first baffle 22 this moment, make recess 26 and sand grip 27 cooperate, sand grip 27 is embedded into recess 26, sand grip 27 can be fixed card strip 25, thereby make first baffle 22 support tightly on mounting groove 21, and then first baffle 22 supports box body 1 tightly in mounting groove 21.

Referring to fig. 1 and 2, one side opposite to the first baffle 22 and the second baffle 23 and the inner wall of the mounting groove 21 are provided with a layer of rubber pad 24, the rubber pad 24 is made of rubber, the rubber pad is soft, the rubber pad 24 can fill the gap between the box body 1 and the mounting groove 21, and therefore the rubber pad 24 plays a role in sealing the box body 1, and the situation that water enters the inside of the box body 1 to cause the short circuit of the current transformer is reduced.

Referring to fig. 1 and 2, a notch 121 is simultaneously formed in the bottom wall and two side walls of an -shaped frame 12, two side walls of a -shaped frame 12 are respectively provided with a -shaped groove 32, the section of the -shaped groove 32 is L-shaped, the outer side wall of the -shaped frame 12 is provided with an -shaped cover plate 3 for closing the notch 121, an operator inserts the side wall of the -shaped cover plate 3 into the -shaped groove 32, the -shaped groove 32 limits the moving direction of the -shaped cover plate 3, the -shaped cover plate 3 is limited so that the operator can quickly and conveniently position the -shaped cover plate 3, meanwhile, a rubber ring 31 is arranged between the -shaped cover plate 3 and the -shaped frame 12, the rubber ring 31 is arranged along the peripheral direction of the notch 121, the rubber ring 31 is made of rubber, the rubber is soft, the rubber ring 31 can fill the gap between the -shaped cover plate 3 and the -shaped frame 12, and accordingly, the gap between the -shaped cover plate 3 and the -shaped frame 12 can be sealed, and water can enter the box body from the inside of the box body.

Referring to fig. 1 and 4, -shaped frame 12 is provided with a fixed block 4 on both sides along the length direction of notch 121, and two fixed blocks 4 are a set, two sets of fixed blocks 4 are symmetrically provided along the length direction of notch 121, a sliding groove 41 is respectively provided on one side opposite to two fixed blocks 4 of the same set, two sliding grooves 41 are respectively provided with a limited block 42 and a spring 43, limited block 42 is slidably connected in sliding groove 41, two ends of spring 43 respectively abut against the groove bottom and limited block 42 of sliding groove 41, one side opposite to and departing from -shaped frame 12 of two limited blocks 42 is provided with an inclined plane 421, meanwhile, one side opposite to two limited blocks 42 is rotatably connected with a pull rod 44, one end of pull rod 44 far away from limited block 42 extends to the outer side of fixed block 4, and spring 43 is sleeved on pull rod 44, one side opposite to two fixed blocks 4 is provided with a first L-shaped block 45, and one side of pull rod 44 departing from fixed block 4 at first L-shaped block 45 is provided with a second L-shaped block 46.

Referring to fig. 1 and 4, when an operator installs the -shaped cover plate 3, the -shaped cover plate 3 abuts against the inclined surface 421, the -shaped cover plate 3 generates an oblique pushing force on the limit block 42, so that the limit block 42 retreats into the sliding groove 41, the spring 43 is compressed, when the 1-shaped cover plate 3 abuts against the rubber ring 31, the spring 43 pushes part of the limit block 42 out of the sliding groove 41 under the action of elastic restoring force, the limit block 42 abuts against the -shaped cover plate 3 on the rubber ring 31, so that the limit block 42 performs a fixing function on the -shaped cover plate 3, further reducing the occurrence of a situation that the -shaped cover plate 3 falls off from the -shaped frame 12, when the operator needs to overhaul the current transformer, the operator pulls the pull rod 44 and rotates 180 degrees, so that the opposite end of the L-shaped block 45 abuts against the opposite end of the L-shaped block 46, at this time, the limit block 42 retreats into the sliding groove 41, and the limit block 42 separates from the -shaped cover plate 3, thereby facilitating.

Referring to fig. 1 and 5, two through holes 5 are respectively formed in the two side plates 11, the through holes 5 are respectively provided with a first sealing plate 51 and a second sealing plate 52 along the peripheral direction, the first sealing plate 51 and the second sealing plate 52 are oppositely arranged, a semicircular groove 55 is formed in one side of the first sealing plate 51 opposite to the second sealing plate 52, the end of the first sealing plate 51 facing the second sealing plate 52 is provided with a clamping groove 511, and the second sealing plate 52 is provided with a clamping block 521 matched with the clamping groove 511. Two T-shaped grooves 53 are symmetrically formed in two ends of each of the first sealing plate 51 and the second sealing plate 52 in the length direction, T-shaped blocks 54 matched with the T-shaped grooves 53 are arranged on the side plates 11, and the first sealing plate 51 and the second sealing plate 52 slide in the length direction of the T-shaped blocks 54. An operator passes through the through hole 5 and pushes the first sealing plate 51 and the second sealing plate 52 at the same time, the T-shaped block 54 limits the moving direction of the first sealing plate 51 and the second sealing plate 52, so that the fixture block 521 is accurately abutted to the clamping groove 511, the fixture block 521 is matched with the clamping groove 511, and the first sealing plate 51 and the second sealing plate 52 are abutted to each other. Simultaneously the wire passes between two semicircular groove 55, and all be equipped with a block rubber 56 in two semicircular groove 55, block rubber 56 is made by the rubber material, rubber self is softer, block rubber 56 supports tightly on the direction, block rubber 56 fills up the gap between semicircular groove 55 and the wire, the leakproofness between wire and the semicircular groove 55 has been increased, thereby first closing plate 51 and second closing plate 52 play sealed effect to through-hole 5, and then reduce the condition emergence that water got into box body 1 inside from through-hole 5.

The implementation principle of the embodiment is that an operator fixes a current transformer on a mounting plate 2, the mounting plate 2 is fixed on an -shaped frame 12 through bolts, then an extending edge 111 is aligned with a mounting groove 21, the operator pushes a box body 1 to move, when the box body 1 is completely positioned in the mounting groove 21, the operator overturns a first baffle 22, matches a groove 26 with a convex strip 27, clamps a clamping strip 25 on the mounting groove 21, penetrates out a lead on the current transformer from a through hole 5, then pushes a first sealing plate 51 and a second sealing plate 52 to close the through hole 5, then the operator inserts two side walls of a -shaped cover plate 3 into a -shaped groove 32, the -shaped cover plate 3 is abutted against a rubber ring 31, and a limiting block 42 limits the -shaped cover plate 3 to complete installation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A CT box for use in a switchgear cabinet, comprising: the switch cabinet comprises a box body (1), wherein a mounting plate (2) is arranged in the box body (1) along the length direction, two sides of the box body (1) along the length direction are respectively provided with an extending edge (111), the inner wall of a switch cabinet (6) is provided with a mounting groove (21) matched with the extending edge (111), two ends of the mounting groove (21) along the length direction are respectively provided with a first baffle plate (22) and a second baffle plate (23), one end of the first baffle plate (22) along the length direction is hinged on one mounting groove (21), and one side of the first baffle plate (22) opposite to the second baffle plate (23) and the mounting groove (21) are respectively provided with a layer of rubber gasket (24);

one end, far away from the hinge point, of the first baffle plate (22) is provided with a clamping strip (25), one side, facing the mounting groove (21), of the clamping strip (25) is provided with a groove (26), and the mounting groove (21) is provided with a protruding strip (27) matched with the groove (26).

2. The CT box for switch cabinet as claimed in claim 1, wherein the box body (1) comprises two oppositely arranged side plates (11) and an -shaped frame (12) arranged between the two side plates (11), the extension (111) is arranged on the side plates (11), the mounting plate (2) is arranged on the -shaped frame (12);

a notch (121) is simultaneously formed in the bottom wall and the side wall of the -shaped frame (12), and a -shaped cover plate (3) matched with the notch (121) is arranged on the outer wall of the -shaped frame (12).

3. The CT box for switch cabinet as claimed in claim 2, wherein the outer wall of the -shaped frame (12) is provided with a rubber ring (31) along the peripheral direction of the notch (121).

4. The CT box for switch cabinet as claimed in claim 2, wherein the -shaped frame (12) has -shaped slots (32) on both side walls for matching with the -shaped cover plate (3).

5. The CT box for the switch cabinet as claimed in claim 4, wherein the -shaped frame (12) is symmetrically provided with two fixing blocks (4) along two sides of the length direction of the gap (121), one sliding groove (41) is respectively arranged on the opposite surfaces of the two fixing blocks (4), a limiting block (42) is respectively connected in the two sliding grooves (41) in a sliding manner, an inclined surface (421) is arranged on one side of the two limiting blocks (42) opposite to and away from the -shaped frame (12), and a spring (43) is arranged between the limiting block (42) and the bottom of the sliding groove (41).

6. The CT box for the switch cabinet according to claim 5, characterized in that a pull rod (44) is arranged at the bottom of the sliding groove (41) in a penetrating manner, one end of the pull rod (44) is rotatably connected to the limit block (42), a first L-shaped block (45) is arranged at one end of the fixed block (4) far away from the limit block (42), and a second L-shaped block (46) which is complementary to the first L-shaped block (45) is fixedly connected to the pull rod (44) at one side of the first L-shaped block (45) far away from the fixed block (4).

7. A CT box for use in a switchgear cabinet according to claim 2, wherein: the two side plates (11) are respectively provided with two through holes (5), the through holes (5) are oppositely provided with a first sealing plate (51) and a second sealing plate (52) along the peripheral direction, the first sealing plate (51) and the second sealing plate (52) are respectively attached to the surfaces of the side plates (11), the first sealing plate (51) and the second sealing plate (52) are respectively symmetrically provided with two T-shaped grooves (53) along the length direction, the side plates (11) are provided with T-shaped blocks (54) matched with the T-shaped grooves (53), and the first sealing plate (51) and the second sealing plate (52) are respectively connected to the T-shaped blocks (54) in a sliding manner;

a semicircular groove (55) is formed in one side, opposite to the first sealing plate (51) and the second sealing plate (52), of the first sealing plate, and a rubber block (56) is arranged in the semicircular groove (55).

8. The CT box for the switch cabinet as claimed in claim 7, wherein the first sealing plate (51) is opened with a clamping groove (511) with L-shaped section at one end facing the second sealing plate (52), and the second sealing plate (52) is provided with a clamping block (521) matched with the clamping groove (511).