CN108565684B

CN108565684B - Electrical switchgear cabinet

Info

Publication number: CN108565684B
Application number: CN201810398196.2A
Authority: CN
Inventors: 郑孝怡; 黄云龙; 赵建伟; 李培江
Original assignee: Shandong Dingsheng Electrical Equipment Co ltd
Current assignee: Shandong Dingsheng Electrical Equipment Co.,Ltd.
Priority date: 2018-04-28
Filing date: 2018-04-28
Publication date: 2020-11-03
Anticipated expiration: 2038-04-28
Also published as: CN108565684A

Abstract

The invention relates to a switch cabinet, and discloses an electrical switch cabinet, which comprises a cabinet body (1), wherein a support (2) is arranged in the cabinet body (1), the cabinet body (1) is an L-shaped cabinet body (1), and the support (2) comprises a rotating shaft (201) at the center and a plurality of supporting plates (202) which are fixed on the rotating shaft (201) and are in three-quarter circle shape and arranged in parallel; the rotating shaft (201) can rotate in the rotating seat, the cabinet door (14) is connected to the rotating shaft (201) through the connecting rod mechanism (203) and located at an opening of the supporting plate (202), and the cabinet door (14) can rotate to the inside of the cabinet body (1) along with the rotating shaft (201). The invention can be placed at the corner of a wall, can reduce the influence of the width of the cabinet body (1) on the space of a factory building or a workshop as much as possible on the premise of ensuring that the cabinet body (1) has enough space for installing components, and can rotate the bracket (2) to the position required by a maintainer, thereby facilitating the maintainer to overhaul and replace the components on the bracket (2).

Description

Electrical switchgear cabinet

Technical Field

The invention relates to a switch cabinet, in particular to an electrical switch cabinet.

Background

The electric switch cabinet is a cabinet which is formed by processing steel materials and used for protecting components from working normally, and is widely applied to the chemical industry, the environmental protection industry, the electric power system, the metallurgical system, the industry, the nuclear power industry, the fire safety monitoring, the traffic industry and the like.

The electrical switch cabinet is generally all that the cuboid form is just inside because components and parts are more to lead to whole volume more, and generally all adopt and lean on wall fixed mounting, can satisfy the demand completely to the great factory building of workspace or this type of electrical switch cabinet in workshop, but to the less factory building of some workspace or workshop, the electrical switch cabinet of some broad is difficult to rationally settle, and narrower electrical switch cabinet can not satisfy the demand again.

In addition, the general structure of the existing electrical switch cabinet is formed by constructing an external shell and an internal support, the internal support is used for arranging each component, the internal support is fixed in the external shell in a welded mode, so that each component can only be observed and overhauled on the front side, and the back side of the component cannot be overhauled, so that when the component inside the electrical switch cabinet breaks down, comprehensive detection cannot be achieved.

Disclosure of Invention

The invention provides an electrical switch cabinet, aiming at the problems that the application range of the switch cabinet in the prior art needs to be improved and the internal components can not be comprehensively detected.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the electric switch cabinet comprises a cabinet body, wherein a support is arranged in the cabinet body, the cabinet body is an L-shaped cabinet body, two longitudinally arranged cabinet doors which are perpendicular to each other are formed at an opening of the L shape, rotating seats which are oppositely arranged are arranged at the top and the bottom of the cabinet body, and the support comprises a rotating shaft at the center and a plurality of supporting plates which are fixed on the rotating shaft and are in a three-quarter circle shape and arranged in parallel; the upper and lower both ends of pivot insert respectively in the rotation seat of cabinet body top and bottom and can rotate at the rotation seat internal rotation, the cabinet door passes through link mechanism to be connected in the pivot and is located the opening part of backup pad, the cabinet door can rotate the internal portion of cabinet along with the pivot, link mechanism sets up in the upper and lower both ends of cabinet door and link mechanism includes that the end fixing hinges the second connecting rod at another tip of first connecting rod in the pivot and tip, another tip of second connecting rod is fixed at the cabinet door back.

As preferred, the cabinet body is by last top plate, four curb plates that the lower plate and be located between last top plate and the lower plate are constituteed, four curb plates include two mutually perpendicular lean on the wallboard and respectively with two outer panels that lean on the wallboard vertically, the outer panel with lean on through the hinge between the wallboard, the upper end and the lower tip of outer panel all are equipped with the rectangular form draw-in groove of arranging along outer panel width direction, go up on top plate and the lower plate with be equipped with on the side of outer panel interconnect with rectangular form draw-in groove complex rectangular form card strip. The outer panel can rotate and open to make operating personnel all have great operating space in the maintenance, installation, the change etc. to components and parts on the support, make each operation very convenient.

As preferred, all be equipped with the spacing clamp on two internal surfaces by the wallboard, spacing clamp one end articulates on the internal surface by the wallboard, and the other end is equipped with the U-shaped draw-in groove that can block in the backup pad, is equipped with the connecting hole on the both sides wall of U-shaped draw-in groove, and the outer border department of backup pad is equipped with a plurality of cotter holes of evenly arranging along the backup pad circumferencial direction, and the pin that U-shaped draw-in groove and backup pad passed connecting hole and cotter hole is fixed. The support plate is clamped through the U-shaped clamping groove in the limiting clamp, so that the support is limited at a position required by an overhaul worker, and the overhaul worker can overhaul and replace the components on the support conveniently.

As preferred, rotate the seat including fixing respectively at the last seat and the lower shaft seat of rotating of cabinet body top and bottom, go up to rotate the seat and be equipped with respectively on the lower seat of rotating and supply the pivot about both ends male last mounting hole and mounting hole down, it is fixed with the vertical spring of arranging along last mounting hole depth direction on the bottom surface of last mounting hole, the other end of vertical spring is fixed with one and can follows the gliding disc board from top to bottom of last mounting hole pore wall, be equipped with a plurality of first ball grooves of evenly arranging on the lateral wall of lower mounting hole, every first ball inslot is equipped with one and can free rotation's first ball, still be equipped with first annular rotor plate in the mounting hole down, the lateral wall and the first annular rotor plate interference fit of pivot lower extreme. The spring design in the upper rotating seat enables the mounting and dismounting modes between the support and the cabinet body to be very simple, and the rapid assembly of the electrical switch cabinet can be realized. The design of first annular rotor plate and first ball in the lower rotation seat can make the pivot very smooth and easy rotation in the lower rotation seat, the circumstances such as card pause or unable rotation can not appear for this rotation connection's support's rotation performance obtains optimizing greatly.

As preferred, still including being fixed in the many longitudinal support pole that the flange edge just evenly arranged on the support, longitudinal support pole and pivot are extending structure to can adjust the height of support, make it be applicable to not the electrical switch cabinet of co-altitude, also can adjust the clearance between the adjacent backup pad in addition, satisfy the reasonable installation of not equidimension components and parts.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:

on one hand, the design of the whole mechanism of the cabinet body enables the cabinet body to be placed at the corner of a wall, and on the premise of ensuring that the cabinet body has enough space for mounting components, the influence of the width of the cabinet body on the space of a factory building or a workshop can be reduced as much as possible; on the other hand, the cabinet body adopts the rotary type with inside support to be connected for the support can rotate the required position of maintainer, and the maintainer of being convenient for overhauls, changes to components and parts on the support.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 with the guard mechanism removed.

Fig. 3 is a partial cross-sectional view of the bottom of the cabinet of fig. 1.

Fig. 4 is a schematic structural view of the guard mechanism of fig. 1.

Fig. 5 is a schematic view of the structure of the stent of fig. 2.

Fig. 6 is a schematic structural view of the spacing clip of fig. 2.

Fig. 7 is a schematic structural view of the link mechanism in fig. 2.

Fig. 8 is a schematic structural view of the upper rotating base in fig. 5.

Fig. 9 is a schematic structural view of the lower rotary base in fig. 5.

Fig. 10 is a schematic structural view of a connection terminal in embodiment 1 of the present invention.

Fig. 11 is a schematic view of the structure of the first joint of fig. 10.

Fig. 12 is a schematic view of the structure of the second joint of fig. 10.

Fig. 13 is a schematic structural diagram of the wire stopper in fig. 11 or 12.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-cabinet body, 2-bracket, 3-protection mechanism, 4-connecting terminal, 11-top plate, 12-bottom plate, 13-side plate, 14-cabinet door, 121-containing groove, 122-bidirectional cylinder, 123-cabinet body supporting rod, 124-cabinet body supporting plate, 125-solar panel, 201-rotating shaft, 202-supporting plate, 203-connecting rod mechanism, 204-first connecting rod, 205-second connecting rod, 206-, 207-longitudinal supporting rod, 301-protecting plate, 302-top plate, 303-first ball, 304-connecting shaft, 310-damping spring, 311-rubber pad, 131-wall plate, 132-outer side plate, 133-strip-shaped clamping groove, 134-strip-shaped clamping strip, 135-limiting clamp, 136-U-shaped clamping groove, 137-connecting hole, 138-pin hole, 151-upper rotating seat, 152-lower rotating seat, 153-upper mounting hole, 154-lower mounting hole, 155-longitudinal spring, 156-disc plate, 157-first ball groove, 158-first ball, 159-first annular rotating plate, 401-connector lug, 402-first joint, 403-second joint, 404-first plastic housing, 405-first metal piece, 406-cylindrical body, 407-first annular protrusion, 408-second annular protrusion, 409-annular groove, 410-annular groove, 411-lateral spring, 412-guide surface, 413-second plastic housing, 414-second metal piece, 415-cylindrical body, 416-annular block, 417-second ball groove, 418-second ball, 419-second annular rotating plate, 420-wire limiting piece, 421-connecting portion, 422-limiting portion, 423-inserting portion, 424-flange portion, 425-wire passing gap, 426-annular wire passing groove, 427-connecting bolt.

Detailed Description

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

Example 1

An electrical switch cabinet, as shown in fig. 1 and fig. 2, includes a cabinet body 1, a support 2 is arranged in the cabinet body 1, the cabinet body 1 includes an upper top plate 11, a lower bottom plate 12 and an L-shaped cabinet body 1 composed of four side plates 13 located between the upper top plate 11 and the lower bottom plate 12, two longitudinally arranged cabinet doors 14 perpendicular to each other are formed at an opening of the L-shape, rotating seats arranged oppositely are arranged at the top and the bottom of the cabinet body 1, the support 2 includes a central rotating shaft 201, and a plurality of supporting plates 202 which are fixed on the rotating shaft 201 and are in a three-quarter round shape and arranged in parallel; in this embodiment, the support plates 202 are three and are distributed on the upper, middle and lower portions of the support frame 2.

The upper and lower both ends of pivot 201 insert respectively in the rotation seat of the top of the cabinet body 1 and bottom and can rotate at the rotation seat, cabinet door 14 passes through link mechanism 203 and connects on pivot 201 and be located the opening part of backup pad 202, cabinet door 14 can rotate inside the cabinet body 1 along with pivot 201, as shown in fig. 7, link mechanism 203 sets up in the upper and lower both ends of cabinet door 14 and link mechanism 203 includes that the tip is fixed at the first connecting rod 204 on pivot 201 and the tip articulates the second connecting rod 205 at another tip of first connecting rod 204, another tip of second connecting rod 205 is fixed at the cabinet door 14 back.

In this embodiment, the four side plates 13 include two mutually perpendicular wall plates 131 and two outer side plates 132 perpendicular to the two wall plates 131, the outer side plates 132 are hinged to the wall plates 131 through hinges, the upper end and the lower end of each outer side plate 132 are provided with strip-shaped slots 133 arranged along the width direction of the outer side plate 132, and the side surfaces of the upper top plate 11 and the lower bottom plate 12, which are in contact with the outer side plates 132, are provided with strip-shaped clamping strips 134 engaged with the strip-shaped slots 133. The inner surfaces of the two wall plates 131 are provided with limiting clamps 135, as shown in fig. 6, one ends of the limiting clamps 135 are hinged to the inner surfaces of the wall plates 131, the other ends of the limiting clamps are provided with U-shaped clamping grooves 136 capable of being clamped on the supporting plate 202, two side walls of each U-shaped clamping groove 136 are provided with connecting holes 137, the outer edge of the supporting plate 202 is provided with a plurality of pin holes 138 uniformly distributed along the circumferential direction of the supporting plate 202, and the U-shaped clamping grooves 136 and the supporting plate 202 are fixed through pins penetrating through the connecting holes 137 and the pin holes 138.

The switch board is under normal condition, and cabinet door 14 is locked on cabinet body 1, and the switch board is in the protection state to the components and parts in it this moment, simultaneously because the structural style of this switch board is L shape cabinet body 1, and it can be put at the corner when factory building or workshop are settled, is guaranteeing to have under the prerequisite in the space of sufficient installation components and parts the internal portion of cabinet, reduces the space influence of cabinet body 1 width to factory building or workshop as far as. When the inside components and parts of switch board break down and need to overhaul, open cabinet door 14, and can rotate support 2 as required, then the spacing clamp 135 of the 1 both sides of the rotating cabinet body, carry backup pad 202 through the U-shaped draw-in groove 136 on the spacing clamp 135, the spacing clamp 135 is located the position that corresponds with the backup pad 202 at middle part in this embodiment, thereby the backup pad 202 that is in support 2 middle part is carried to U-shaped draw-in groove 136, with backup pad 202 and spacing clamp 135 reciprocal anchorage through the pin, make support 2 spacing at the maintainer required position, the maintenance of components and parts on the maintainer is to support 2 of being convenient for, change.

In addition, because two outer panels 132 on the cabinet body 1 are connected to the wall leaning plate 131 through hinges, namely the outer panels 132 can be rotated to be opened, so that an operator can have a large operation space for overhauling, installing, replacing and the like of components on the bracket 2, and each operation is very convenient.

As shown in fig. 8 and 9, the rotating base in this embodiment includes an upper rotating base 151 and a lower rotating base 152 fixed at the top and the bottom of the cabinet 1, the upper rotating base 151 and the lower rotating base 152 are respectively provided with an upper mounting hole 153 and a lower mounting hole 154 for inserting the upper end and the lower end of the rotating shaft 201, the bottom surface of the upper mounting hole 153 is fixed with a longitudinal spring 155 arranged along the depth direction of the upper mounting hole 153, the other end of the longitudinal spring 155 is fixed with a disc plate 156 capable of sliding up and down along the hole wall of the upper mounting hole 153, the lower mounting hole 154 is provided with a plurality of first ball grooves 157 uniformly arranged on the side wall of the lower mounting hole 154 of the rotating shaft 201, each first ball groove 157 is provided with a first ball 158 capable of rotating freely, the lower mounting hole 154 is further provided with a first annular rotating plate 159, and the outer side wall of the lower end of the rotating shaft 201 is in interference fit with the first annular rotating.

As shown in fig. 5, still including being fixed in the many longitudinal support rods 207 that backup pad 202 edge and evenly arranged on the support 2, longitudinal support rod 207 is three, the equipartition is arranged in on the arc side of backup pad 202, the structural stability of support 2 can effectively be increased in arranging of longitudinal support rod 207, bear more components and parts on the backup pad 202 and improve the prerequisite and ensure that longitudinal support rod 207 and pivot 201 are extending structure, thereby can adjust the height of support 2, make it be applicable to the not switch board of co-altitude, also can adjust the clearance between the adjacent backup pad 202 in addition, thereby satisfy the equitable installation of not equidimension components and parts.

The welding mode that cabinet body 1 and inner support 2 in the existing switch board adopted, can't change it, and in this embodiment, support 2 and cabinet body 1 are designed alone, both adopt detachable connection, when the switch board is in integral assembly, what is adopted is to install each component on support 2 in advance outside cabinet body 1, not restricted by the internal space of cabinet body 1, then install support 2 of the installed component into cabinet body 1, during installation, insert the upper end of rotating shaft 201 into upper rotating base 151 first, through compressing longitudinal spring 155, make support 2 move up as far as possible, thus make the lower end of rotating shaft 201 insert into lower rotating base 152, support 2 move down under the action of gravity, longitudinal spring 155 resumes to the original position, at this moment support 2 is spacing and between upper rotating base 151 and lower rotating base 152, namely the installation of support 2 is completed, the same method is adopted during disassembly, the assembly and disassembly modes are very simple, and the rapid assembly of the power distribution cabinet can be realized.

In addition, the side wall of the lower rotating base 152 is provided with the first ball 158 and the first annular rotating plate 159, so that when the lower end of the rotating shaft 201 is inserted into the lower rotating base 152, the first annular rotating plate 159 can smoothly rotate under the action of the first ball 158, and the first annular rotating plate 159 can drive the rotating shaft 201 to rotate, namely, the rotating shaft 201 can smoothly rotate in the lower rotating base 152 under the action of the first annular rotating plate 159 and the first ball 158, the situation of blocking or incapability of rotating cannot occur, and the rotating performance of the rotatably connected bracket 2 is greatly optimized.

As shown in figure 1 of the drawings, in which, fig. 3 and 4 show, in this embodiment, the top of the cabinet body 1 and the L-shaped opening that is located the cabinet body 1 and the L-shaped corner relative to the opening are fixed with a connecting seat 206 respectively, be equipped with two pivot holes that arrange side by side on the connecting seat 206, be equipped with protection machanism 3 between the connecting seat 206 of both sides, protection machanism 3 includes guard plate 301, guard plate 301 includes two upper cover plates 302 that are right trapezoid and four side cover plates 303 that are rectangle, the hypotenuse of upper cover plate 302 is fixed with the connecting axle 304 of rotating connection on connecting seat 206 along the both ends of direction, side cover plate 303 articulates on the right angle edge of upper cover plate 302, two upper cover plates 302 are parallel to each other under vertical state, the side along the hypotenuse direction of right trapezoid supports each other under the horizontal state and four side cover plates 303 laminate on four curb plates 13 of the cabinet body 1 respectively.

The side cover plate 303 can be attached to the surface of the side plate 13, the rubber damping mechanism 137 is arranged on the surface of the side cover plate 303, the rubber damping mechanism 137 comprises a plurality of damping springs 310 which are uniformly fixed on the surface of the side cover plate 303 and perpendicular to the surface of the side cover plate 303, the rubber cushion 311 is connected to the damping springs 310, and the rubber cushion 311 is arranged in parallel with the plate surface of the side cover plate 303. This kind of shock-absorbing rubber pad form is designed into on the surface of the side cover plate 303 with the contact of cabinet body 1 curb plate 13, on the one hand make guard plate 301 start decline back side cover plate 303 can be steady contact with cabinet body 1 curb plate 13, on the other hand rubber pad 311's effect, if can make in the rainy day tightly the actuation under the rubber pad 311 effect on cabinet body 1 curb plate 13, strengthen protection machanism 3's stability, simultaneously under the effect of spring, even be very big raindrop, also can reduce the impact of raindrop to cabinet body 1, further play the guard action to cabinet body 1.

As shown in fig. 3, a containing groove 121 formed downward is formed on the bottom surface of the lower base plate 12, two bidirectional cylinders 122 and a cabinet supporting rod 123 are fixed in the containing groove 121, end portions of piston rods at two ends of the bidirectional cylinders 122 are hinged to the cabinet supporting rod 123, the cabinet supporting rod 123 can extend out of the containing groove 121, and a cabinet supporting plate 124 is fixed at the bottom of the cabinet supporting rod 123.

As shown in fig. 1, 3 and 4, the power distribution cabinet in this embodiment is a power distribution cabinet installed outdoors, and has a protection mechanism 3, when the power distribution cabinet is in a clear day, the protection mechanism 3 is generally in a non-working state, at this time, two upper cover plates 302 are in a vertical and mutually parallel state under the action of connecting shafts 304 at two ends thereof and are located above an upper top plate 11, two side cover plates 303 are also in a vertical state under the action of self gravity, and a solar panel 125 on the surface of each side cover plate 303 absorbs solar energy, converts the solar energy into electric energy and stores the electric energy in a storage battery inside a cabinet body 1; in this state, the lower bottom plate 12 of the cabinet 1 directly contacts with the ground, and the cabinet support rod 123 is located in the accommodating groove 121 on the lower bottom plate 12. Along with shining of sunlight, can make the temperature on the cabinet body 1 and the 3 surfaces of protection machanism rise gradually, when the temperature that temperature sensor detected reached a definite value, protection machanism 3 work this moment, drive arrangement drive wheel rotates on the one hand, the drive wheel drives two and rotates from the driving wheel, thereby make the upset of upper cover plate 302, it all is in the level and changes the state up to two upper cover plate 302, form the sunshading board to cabinet body 1 top end, curb plate 13 also descends along with upper cover plate 302 together, be worth descending cabinet body 1 side, form the sunshading board to cabinet body 1 side.

When being in rainy day, the raindrop sensor detects the state of raining, can transmit signal for the controller promptly, the controller can start protection machanism 3 promptly, this moment as above-mentioned protection machanism 3 working method the same, drive arrangement drive wheel rotates, the drive wheel drives two and rotates from the driving wheel, thereby make upper cover plate 302 upset, it changes the state to make two upper cover plate 302 all be in the level, form the dash board to top on the cabinet body 1, curb plate 13 also descends along with upper cover plate 302, be worth to descend to cabinet body 1 side, form the dash board to cabinet body 1 side.

In this embodiment, in order to avoid bringing the electric wire winding that inserts 1 inside of the cabinet body because of support 2 in rotatory process, drags the electric wire scheduling problem, adopt to rotate binding post 4 of connection formula and will insert the electric wire of 1 insides of the cabinet body and divide into two sections, one section rigid, another section rotates along with support 2 together, binding post 4 is used for connecting 1 outside wire of the cabinet body and 1 inside components and parts wire of the cabinet body. As shown in fig. 10 to 13, the connection terminal 4 is specifically designed as follows: the wire connecting terminal 4 comprises a wire connecting terminal 401, the wire connecting terminal 401 comprises a first connector 402 and a second connector 403 inserted into the first connector 402, the first connector 402 is fixed on the bottom surface of the cabinet body 1, the second connector 403 is fixed on the support plate 202 of the bracket 2, the first connector 402 comprises a first plastic shell 404 with a cylindrical outer part and a first metal piece 405 fixed on the inner surface of the first plastic shell 404, the first metal piece 405 comprises a cylindrical body 406 and a first annular bulge 407 and a second annular bulge 408 which are arranged on the inner surface of the cylindrical body 406 and are parallel to each other along the axial direction of the cylindrical body 406, an annular clamping groove 409 is formed between the first annular bulge 407 and the second annular bulge 408, the end of the cylindrical body 406 close to the first annular bulge forms a first lead wire insertion end, the end close to the second annular bulge 408 forms a second connector insertion end 407, namely, the annular clamping groove 409 is used as a separating part, the tubular body 406 is divided into two parts, one part being a guide connection end and the other part being a joint connection end.

An annular groove 410 is arranged at the position of the inner surface of the cylindrical body 406 where the second annular bulge 408 is arranged, a plurality of uniformly arranged transverse springs 411 are fixed in the annular groove 410 along the depth direction of the annular groove 410 in the length direction, and the second annular bulge 408 is fixed on the bottom surface of the annular groove 410 through the transverse springs 411 and can be completely retracted into the annular groove 410; the second annular projection 408 is an annular body having a thickness gradually decreasing from an outer surface connected to the lateral spring 411 to an inner surface, and a cross section in an axial direction is an isosceles trapezoid, and both side surfaces of the second annular projection 408 are configured as guide surfaces 412 for guiding the annular latch 416.

The second connector 403 includes a cylindrical second plastic housing 413, one end of the second plastic housing 413 is fixed with a second metal piece 414, one end of the second metal piece 414 is inserted into the second plastic housing 413, and the other end of the second plastic housing 413 forms a second lead insertion end; the second metal element 414 includes a cylindrical body 415 having an end inserted into the second plastic housing 413, and an annular retaining block 416 fixed on an outer side wall of the extended end of the cylindrical body 415 and capable of being retained in the annular retaining groove 409, wherein two annular inner side walls of the annular retaining groove 409 are in contact with two annular outer side walls of the annular retaining block 416, and the annular retaining block 416 is capable of rotating in the annular retaining groove 409.

When two wires need to be connected together, the wires on the first joint 402 and the second joint 403 are respectively connected in advance, then the second joint 403 with the connected wires is inserted into the cylindrical body 406, along with the extension of the second joint 403, the annular clamping block 416 applies force to the guide surface 412 of the second annular protrusion 408, so that the second annular protrusion 408 retracts into the inner wall of the cylindrical body 406 against the elastic force of the transverse spring 411, at the moment, the second joint 403 can continuously move along the insertion direction until the annular clamping block 416 completely enters the position of the annular clamping groove 409, at the moment, the annular clamping block 416 is separated from the second annular protrusion 408, the second annular protrusion 408 returns to the original position under the action of the transverse spring 411, and the second annular protrusion 407 and the annular clamping groove 409 are just configured into an annular clamping groove 409 for limiting the annular clamping block 416, at the moment, the outer side surface, the upper surface and the lower surface of the annular clamping block 416 and the bottom surface, Go up the side and the downside contact, ring-shaped clamping groove 409 and ring-shaped clamping block 416 are the metalwork, thereby realize first joint 402 and the electric connection that second connects 403, simultaneously because both are only the contact connection, and not complete chucking, consequently second joint 403 and second joint 403 can rotate relatively under the exogenic action, thereby make this binding post 4 can be applicable to the connection of the total access wire of components and parts on the support 2, because the wire at both ends is equivalent to rotating the connection, first joint 402 is fixed on cabinet body 1 bottom surface in this embodiment, it is fixed motionless relative to cabinet body 1, second joint 403 fixed mounting follows support 2 and rotates together on support 2, therefore can avoid because of the rotatory electric wire winding that comes of support 2, pull electric wire scheduling problem, and can not lead to the wiring 4 department wire short circuit from this, binding post 4 damages scheduling problem.

When the lead wires need to be separated, the second connector 403 is directly pulled out of the first connector 402, in the pulling-out process, the annular fixture block 416 applies force to the guide surface 412 on the other side of the second annular protrusion 408, so that the second annular protrusion 408 is retracted into the inner wall of the cylindrical body 406 against the elastic force of the transverse spring 411, at this time, the second connector 403 can continue to move in the pulling-out direction until the annular fixture block 416 is completely separated from the annular clamping groove 409, at this time, the annular fixture block 416 is separated from the second annular protrusion 408, the second annular protrusion 408 is restored to the original position under the action of the transverse spring 411, the limit on the annular fixture block 416 is released, and the second connector 403 is pulled out. The first connector 402 and the second connector 403 are very convenient to connect and detach, connection and detachment of two sections of wires can be efficiently and quickly achieved, the use is flexible and convenient, the connection and detachment are limited through the annular clamping groove 409, the stability is high, and the connector can be suitable for connection of wires in different occasions.

In this embodiment, a plurality of second ball grooves 417 are uniformly arranged on the bottom surface of the ring-shaped slot 409, a second ball 418 capable of freely rotating is arranged in each second ball groove 417, a second annular rotating plate 419 is further arranged in the ring-shaped slot 409, and the outer surface of the ring-shaped clamping block 416 abuts against the inner side surface of the second annular rotating plate 419. Set up second ball 418 and second annular rotor plate 419 on ring slot 409's bottom surface, when making annular fixture block 416 block go into ring slot 409, annular fixture block 416 and annular rotor plate interference fit, thereby second annular rotor plate 419 can be very smooth and easy rotation under second ball 418 effect, drive annular fixture block 416 then and rotate, can make the very smooth rotation of second joint 403 that is in first joint 402 under second annular rotor plate 419 and second ball 418 effect promptly, the circumstances such as the card pause or unable rotation can not appear, make this rotation connection formula binding post 4's rotation performance obtain optimizing greatly.

The connecting mode to the wire is comparatively convenient in this embodiment, need not to adopt current screw to screw up, avoids the screw to twist the in-process and lead to wire joint pulling force, torsion too big and lead to wire joint rupture. In this embodiment, the inner surfaces of the first lead inserting end and the second lead inserting end are threadedly connected with lead limiting members 420, each lead limiting member 420 includes a connecting portion 421 and a limiting portion 422, the connecting portion 421 is cylindrical, and the outer side wall of the connecting portion 421 is provided with an external thread, each limiting portion 422 includes an inserting section 423 inserted into the connecting portion 421 and a flange section 424 connected to the end of the inserting section 423, the inserting section 423 is cylindrical, a wire passing gap 425 is formed between the outer side wall and the inner side wall of the connecting portion 421, and the flange section 424 is provided with an annular wire passing groove 426 communicated with the wire passing gap 425; a threaded hole is formed in an end surface of the connecting portion 421 into which the insertion section 423 is inserted, a bolt hole corresponding to the threaded hole is formed in the flange section 424, and the flange section 424 is fixed to the connecting portion 421 by a connecting bolt 427 inserted into the bolt hole and the threaded hole.

In order to provide sufficient space for the wires and to enable the wires to be compressed in the wire retainer 420, the insertion section 423 is truncated and has a diameter gradually decreasing from the insertion end to the end connected to the flange section 424.

In the process of connecting the lead, the lead firstly passes through the annular wire passing groove 426 on the flange section 424 of the limiting part 422, then the lead is inserted into the wire passing gap 425 between the connecting part 421 and the inserting section 423 and passes through the wire passing gap 425 to extend out of the connecting part 421, the position of the limiting part 422 in the connecting part 421 is controlled by the connecting bolt 427, and along with the gradual insertion of the limiting part 422 into the connecting part 421, the wire passing gap 425 between the limiting part 422 and the connecting part 421 is narrowed, the compression of the lead is realized, and then the length of the lead extending out of the wire passing gap 425 is adjusted by the connecting bolt 427. Because connecting portion 421 and wire insert the end between through threaded connection to can realize the position of whole wire locating part 420 in the wire inserts the end through rotatory connecting portion 421, fully screw connecting portion 421 when inserting the wire, make it reach the deepest position that the wire inserted the end, guarantee that wire contact head and wire insert the bottom surface of end and contact each other, this kind of connected mode can realize the nimble regulation to the wire position, avoids wire contact failure, improves wire connection stability.

Meanwhile, the wires are connected in a compression mode in the embodiment, the existing screwing is not needed, torsion and tension are not generated, and damage to the wire joint can be fully reduced.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. Electric switch cabinet is equipped with support (2), its characterized in that including the cabinet body (1) in the cabinet body (1): the cabinet body (1) is an L-shaped cabinet body (1), two longitudinally-arranged cabinet doors (14) which are perpendicular to each other are formed at the opening of the L shape, rotating seats which are oppositely arranged are arranged at the top and the bottom of the cabinet body (1), and the support (2) comprises a rotating shaft (201) at the center and a plurality of supporting plates (202) which are fixed on the rotating shaft (201) and are in a three-quarter circle shape and arranged in parallel; the upper end and the lower end of the rotating shaft (201) are respectively inserted into rotating seats at the top and the bottom of the cabinet body (1) and can rotate in the rotating seats, the cabinet door (14) is connected to the rotating shaft (201) through a connecting rod mechanism (203) and is positioned at an opening of the supporting plate (202), the cabinet door (14) can rotate to the inside of the cabinet body (1) along with the rotating shaft (201), the connecting rod mechanism (203) is arranged at the upper end and the lower end of the cabinet door (14), the connecting rod mechanism (203) comprises a first connecting rod (204) and a second connecting rod (205), the end parts of the first connecting rod (204) and the second connecting rod (205) are fixed on the back of the cabinet door (14), and the end parts of the; the cabinet body (1) consists of an upper top plate (11), a lower bottom plate (12) and four side plates (13) positioned between the upper top plate (11) and the lower bottom plate (12), wherein the four side plates (13) comprise two mutually perpendicular wall plates (131) and two outer side plates (132) which are respectively perpendicular to the two wall plates (131), the outer side plates (132) are hinged with the wall plates (131) through hinges, the upper end parts and the lower end parts of the outer side plates (132) are respectively provided with a long strip-shaped clamping groove (133) which is arranged along the width direction of the outer side plates (132), and the side surfaces of the upper top plate (11) and the lower bottom plate (12) which are mutually contacted with the long strip-shaped clamping grooves (134) which are matched with the long strip-shaped clamping grooves (133) are arranged; the inner surfaces of the two wall plates (131) are respectively provided with a limiting clamp (135), one end of each limiting clamp (135) is hinged to the inner surface of the wall plate (131), the other end of each limiting clamp is provided with a U-shaped clamping groove (136) capable of being clamped on the supporting plate (202), two side walls of each U-shaped clamping groove (136) are provided with connecting holes (137), the outer edge of each supporting plate (202) is provided with a plurality of pin holes (138) uniformly distributed along the circumferential direction of the supporting plate (202), and the U-shaped clamping grooves (136) and the supporting plates (202) are fixed through pins penetrating through the connecting holes (137) and the pin holes (138); the bracket (2) also comprises a plurality of longitudinal supporting rods (207) which are fixed at the edge of the supporting plate (202) and are uniformly arranged.

2. The electrical switchgear of claim 1, wherein: the rotating seat comprises an upper rotating seat (151) and a lower rotating seat (201) which are fixed at the top and the bottom of the cabinet body (1) respectively, an upper mounting hole (153) and a lower mounting hole (154) which are used for inserting the upper end and the lower end of the rotating shaft (201) are arranged on the upper rotating seat (151) and the lower rotating seat (152) respectively, a longitudinal spring (155) which is arranged along the depth direction of the upper mounting hole (153) is fixed on the bottom surface of the upper mounting hole (153), the other end of the longitudinal spring (155) is fixed with a disc plate (156) which can slide up and down along the hole wall of the upper mounting hole (153), a plurality of first ball grooves (157) which are uniformly arranged are formed in the side wall of the lower mounting hole (154), a first ball (158) capable of rotating freely is arranged in each first ball groove (157), a first annular rotating plate (159) is further arranged in the lower mounting hole (154), and the outer side wall of the lower end of the rotating shaft (201) is in interference.

3. The electrical switchgear of claim 2, wherein: the longitudinal support rod (207) and the rotating shaft (201) are both of telescopic structures.