CN108336681B

CN108336681B - Electrical switchgear cabinet

Info

Publication number: CN108336681B
Application number: CN201810205383.4A
Authority: CN
Inventors: 朱明辉; 潘正东; 潘琦
Original assignee: WENZHOU ZHONGYI LOCKS ELECTRIC APPLIANCE CO Ltd
Current assignee: Shengzhongyi Power Technology Co ltd
Priority date: 2018-03-13
Filing date: 2018-03-13
Publication date: 2019-12-20
Anticipated expiration: 2038-03-13
Also published as: CN108336681A; WO2019174181A1

Abstract

The invention discloses an electrical switch cabinet which comprises a drawer cabinet and a drawer, wherein a sliding rail is arranged on the drawer cabinet, roller shafts are arranged on two sides of the drawer, rollers are sleeved on the roller shafts, balls are arranged between the rollers and the roller shafts, the drawer is movably arranged in the drawer cabinet through the sliding fit of the rollers and the sliding rail, double-plug connecting seats are arranged on the drawer cabinet, communicated outer contacts and inner contacts are arranged on the double-plug connecting seats, the outer contacts extend out of the drawer cabinet and are fixedly plugged and matched with busbars, the inner contacts are arranged in the drawer cabinet, plug row mounting seats are arranged on the drawer corresponding to the positions of the inner contacts, a plurality of connecting plug rows are arranged on the plug row mounting seats, and the connecting plug rows can be movably plugged and matched with the inner contacts. The contact connecting piece can be prevented from being repeatedly plugged and unplugged with the busbar, and the service life of the busbar is prolonged.

Description

Electrical switchgear cabinet

Technical Field

The invention relates to the technical field of electrical switch cabinets, in particular to an electrical switch cabinet which has good protection on a busbar and high protection level.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Current regulator cubicle is usually connected with female arranging through inserting the row, realize the power supply to the regulator cubicle through female arranging, but at key place such as subway, public places such as motor car, it is necessary to inspect the connection condition of regulator cubicle every day, when opening electrical apparatus cubical switchboard drawer, can make the row of inserting break away from female arranging, and insert the row and break away from female arranging repeatedly, make female phenomenon of wearing and tearing appear that arranges easily, influence female life who arranges, female change of arranging is also very loaded down with trivial details complicacy, and need to stop the power supply and just can change, be unfavorable for public place's use, the female protective properties that arranges that current simultaneously is not enough, extract the back at the cubical switchboard drawer, female arranging exposes outside, constructor touches in accident easily, perhaps touch through other foreign matters, cause danger easily, the incident.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an electrical switch cabinet, which avoids repeated plugging and unplugging of a contact connecting piece and a busbar and prolongs the service life of the busbar.

The invention provides an electrical switch cabinet which comprises a drawer cabinet and a drawer, wherein a sliding rail is arranged on the drawer cabinet, roller shafts are arranged on two sides of the drawer, rollers are sleeved on the roller shafts, balls are arranged between the rollers and the roller shafts, the drawer is movably arranged in the drawer cabinet through the sliding fit of the rollers and the sliding rail, double plug-in connecting seats are arranged on the drawer cabinet, communicated outer contacts and inner contacts are arranged on the double plug-in connecting seats, the outer contacts extend out of the drawer cabinet and are fixedly plugged and matched with busbars, the inner contacts are arranged in the drawer cabinet, plug row mounting seats are arranged on the drawer corresponding to the positions of the inner contacts, a plurality of connecting plug rows are arranged on the plug row mounting seats, and the connecting plug rows can be movably plugged and matched with the inner contacts.

The beneficial effect who sets up like this is, adopt above-mentioned scheme, contact and outer contact in setting up on the drawer cabinet, outer contact is direct to be arranged fixed grafting with mother, fixed grafting here shows to be connected with the form of pegging graft, but it is fixed, daily use is not become flexible, make contact subassembly no longer with female the arranging plug repeatedly, avoid female arranging to appear wearing and tearing because of repeated plug and causing the harm, the female life who arranges of extension, only need change contact subassembly when with trading, it is more convenient, simultaneously more safe, and be connected with the row of inserting of being connected through interior contact, realize circuit switch-on and interrupt through connecting row of inserting and interior contact grafting, the wearing and tearing of inserting as long as take place on connecting the row of inserting, and to the female row of changing of the row of inserting of the link row of inserting more simply swiftly safety, further improve equipment's reliability and security.

The double-plug connecting seat is further provided with a cover cap, the cover cap is arranged between the inner contact and the drawer and covers the inner contact, the cover cap is provided with a baffle and a connecting window, the connecting window is arranged corresponding to the position of the inner contact, the baffle is arranged on the cover cap in a sliding mode and forms shielding or opening of the inner contact, the baffle is provided with a working window used for exposing the inner contact, and the cover cap is further provided with a driving device used for driving the baffle to slide when the connecting plug row is pushed along with the drawer so that the working window and the connecting window are overlapped and the inner contact is exposed.

The beneficial effect of the arrangement is that, by adopting the above scheme, the cover is provided with the baffle, when the connecting socket is not contacted with the inner contact, the baffle can seal the connecting window to avoid the contact of foreign matters or fingers which extend into the connecting window to contact with the contact, thereby contacting with the bus bar and causing the danger of electric shock, the protection standard of RP40 is met, the danger of accidental touch of workers in work is avoided, meanwhile, the baffle is provided with the working window, the size of the working window is matched with that of the connecting window, and the baffle is matched with the driving device, under the action of the driving device, along with the deepening of the connecting socket, the baffle can slide to realize the coincidence of the working window and the connecting window and expose the inner contact, the driving device can adopt a mechanical structure, for example, the driving device is provided with a locking switch, after the switch is pressed, the baffle is unlocked, so that the baffle can slide under the action of the spring to realize the coincidence of the working window and the, certainly also can adopt the cooperation of inductor and driving piece, when sensing the connection row of inserting and being close to, the driving piece is automatic pushes away this kind of form of baffle, and is simple convenient more high-efficient simultaneously.

The invention is further provided that the driving device comprises a top rod and a push rod, a stroke groove is formed in the side wall of the cover cap, a guide post extends into the stroke groove from the baffle, the guide post is in sliding fit with the stroke groove, a reset torsion spring used for enabling the baffle to shield the inner contact is abutted between the guide post and the cover cap, one end of the push rod is hinged with the guide post, the other end of the push rod is provided with a sliding groove, one end of the top rod is a hinged end, the other end of the top rod is a sliding end, the hinged end is hinged on the side wall of the cover cap, the sliding end is clamped in the sliding groove and is in sliding fit with the sliding groove, a reset spring is also abutted between the sliding end and the sliding groove, the spring force of the reset spring is larger than that of the reset torsion spring, the top rod is connected with the push rod to form an abutting end which is abutted against the power strip mounting seat, the abutting end is higher than that of the cover cap, and.

The arrangement has the advantages that by adopting the scheme, the driving device is arranged in the form, the push rod and the push rod are combined to form a protruding abutting end, one end of the push rod is hinged with the guide post, the other end of the push rod is provided with a sliding groove, one end of the push rod is a hinged end and is hinged on the side wall of the cover cap, the other end of the push rod is a sliding end, the sliding end is clamped in the sliding groove and is in sliding fit with the sliding groove, the connecting part of the hinged end and the position of the guide post are respectively two ends of the same side wall of the cover cap, in the process that the drawer is pushed inwards to insert the connecting bus bar into the inner contact, the abutting end and the end surface of the socket mounting seat are abutted to receive pressure, because the spring force of the reset spring is larger than that of the reset spring, in the process of pressing, the sliding end cannot slide in the sliding groove firstly, but the reset spring is compressed firstly, so that the, the row of inserting is inserted in the connection of being convenient for, when the baffle slided to extreme position, reset torsion spring no longer compressed, and reset spring compression this moment for the ejector pin end that slides in the groove that slides, makes the arch that ejector pin and push rod are constituteed receive to press gradually to become short, finally with shroud terminal surface parallel and level, makes the row of inserting of connecting insert the connecting window and be connected with interior contact. Meanwhile, the distance from the contact end to the plane where the baffle is located is larger than the distance from the insertion end of the connecting power strip to the end face of the power strip installation seat, so that the arrangement avoids the situation that when the connecting power strip is inserted into the contact of the busbar and the cover cap, the contact end still cannot be in contact with the power strip installation seat, and the using effect is guaranteed.

The invention is further provided with a lock hole corresponding to the position of the connecting window on the side wall of the cover cap, a lock opening is arranged on the baffle plate corresponding to the position of the lock hole, and the lock hole is communicated with the connecting window through the lock opening to form a lock channel for the padlock.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up lockhole, fore shaft and forms the lock way for after the drawer is extracted, can pin the lock way through the padlock, inject the slip of baffle, avoid the accident to press the conflict end and make the baffle open, thereby stretch into foreign matter or finger contact electrified contact and cause danger.

The invention is further arranged in such a way that an isolation plate is arranged between the connection socket strips, wherein the isolation plate is shorter than the connection socket strips.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up the isolation board and avoids appearing electric arc, can cut off electric arc through the isolation board, guarantees the electricity and connects.

The invention is further provided that the outer contact and the inner contact are arranged integrally, the outer covers of the outer contact and the inner contact are respectively provided with an insulating shell, and the end part of the insulating shell is provided with a socket for exposing the outer contact or the inner contact.

The beneficial effect who sets up like this is, adopts above-mentioned scheme, sets up the electric arc that produces between the insulating casing further isolated adjacent outer contact or between the interior contact, guarantees the normal electricity of equipment and connects.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a dual jack socket and assembly thereof according to an embodiment of the present invention;

FIG. 3 is a side view of a dual jack socket and assembly according to an embodiment of the present invention;

FIG. 4 is an exploded view of a dual jack socket and assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a socket mounting base according to an embodiment of the present invention.

Detailed Description

As can be seen from fig. 1 to 5, the present invention discloses an electrical switch cabinet, which comprises a drawer cabinet 8 and a drawer 9, wherein the drawer cabinet 8 is provided with a slide rail 81, two sides of the drawer 9 are provided with roller shafts, the roller shafts are sleeved with rollers, balls are arranged between the rollers and the roller shafts, the drawer 9 is movably arranged in the drawer cabinet 8 through the sliding fit of the rollers and the slide rail 81, the drawer cabinet 8 is provided with a dual plug-in connector 1, the dual plug-in connector 1 is provided with an outer contact 61 and an inner contact 62 which are communicated with each other, the outer contact 61 and the inner contact 62 are integrally arranged, the outer contact 61 is covered with an insulating housing 63, the end portion of the insulating housing 63 is provided with a plug-in port 631 for exposing the outer contact 61 or the inner contact 62, the outer contact 61 extends out of the drawer cabinet 8 and is fixedly plugged in fit with a bus bar 82, interior contact 62 sets up in drawer cabinet 8, it is provided with row of inserting mount pad 7 to correspond interior contact 62 position on the drawer 9, it inserts row 71 to be provided with a plurality of connections on the row of inserting mount pad 7, connect that row 71 is mobilizable to be pegged graft the cooperation with interior contact 62, it is provided with isolated board 72 to connect between row 71 to insert, isolated board 72 is short in connecting row 71 setting of inserting. Still be provided with shroud 2 on the two plug connector seats 1, shroud 2 sets up between inner contact 62 and drawer 9 and covers and establish on inner contact 62, be provided with baffle 5 and connecting window 22 on the shroud 2, connecting window 22 corresponds inner contact 62 position setting, baffle 5 slides and sets up on shroud 2 and forms sheltering from or opening to inner contact 62, be provided with the work window 52 that is used for exposing inner contact 62 on the baffle 5, still be provided with on the shroud 2 and be used for driving baffle 5 to slide when connecting row 71 and pushing along with drawer 9 and make work window 52 and connecting window 22 coincidence expose the drive arrangement of inner contact 62. The driving device comprises an ejector rod 3 and a push rod 4, a stroke groove 21 is formed in the side wall of the cover cap 2, a guide post 42 extends into the stroke groove 21 from the baffle 5, the guide post 42 is in sliding fit with the stroke groove 21, a reset torsion spring 44 used for resetting the baffle 5 to enable the baffle 5 to shield the inner contact 62 is abutted between the guide post 42 and the cover cap 2, one end of the push rod 4 is hinged with the guide post 42, the other end of the push rod is provided with a sliding groove 41, one end of the ejector rod 3 is a hinged end 31, the other end of the ejector rod is a sliding end 32, the hinged end 31 is hinged on the side wall of the cover cap 2, the sliding end 32 is clamped in the sliding groove 41 and is in sliding fit with the sliding groove 41, a reset spring 43 is abutted end is abutted between the sliding end 32 and the sliding groove 41, the spring force of the reset spring 43 is greater than the reset torsion spring 44, the ejector rod, the contact end is higher than the end face of the cover cap 2, and the distance from the contact end to the end face of the cover cap 2 is larger than the distance from the insertion end of the connecting plug row 71 to the end face of the plug row mounting seat 7. A lock hole 23 is formed in the side wall of the cover 2 corresponding to the position of the connecting window 22, a lock opening 51 is formed in the baffle 5 corresponding to the position of the lock hole, and the lock hole 23 is communicated with the connecting window 22 through the lock opening 51 to form a lock channel for a padlock.

The above-mentioned embodiments are only preferred embodiments of the present invention, and therefore, the scope of the present invention should not be limited by the above-mentioned embodiments, and therefore, equivalent changes, such as equivalent products using similar processes and similar structures, made by the claims of the present invention, are also included in the scope of the present invention.

Claims

1. The utility model provides an electrical switch cabinet, includes drawer cabinet and drawer, the drawer is provided with the slide rail on the cabinet, the drawer both sides are provided with the roller shaft, the cover is equipped with the gyro wheel on the roller shaft, be provided with the ball between gyro wheel and the roller shaft, the drawer passes through the gyro wheel and sets up its characterized in that in the drawer cabinet with the cooperation activity of sliding of slide rail: the drawer cabinet is provided with two plug-in connection seats, the last outer contact and the interior contact that switch on mutually that are provided with of two plug-in connection seats, the outer contact extends to outside the drawer cabinet and with female fixed grafting cooperation of arranging, interior contact setting is in the drawer cabinet, it is provided with the socket mount pad to correspond interior contact position on the drawer, be provided with a plurality of connection socket on the socket mount pad, the mobilizable and interior contact grafting cooperation of connection socket.

2. The electrical switchgear of claim 1, wherein: still be provided with the shroud on the two connecting seats of inserting, the shroud sets up between contact and drawer and covers and establish in on the contact, be provided with baffle and connecting window on the shroud, the connecting window corresponds interior contact position and sets up, the baffle slides and sets up on the cover and forms sheltering from or opening to interior contact, be provided with the work window that is used for exposing interior contact on the baffle, the cover is covered and still is provided with the drive arrangement who is used for connecting when inserting row and push in along with the drawer that the drive baffle slides and makes work window and connecting window coincidence expose interior contact.

3. The electrical switchgear of claim 2, wherein: the driving device comprises a mandril and a push rod, a stroke groove is arranged on the side wall of the cover cap, the baffle extends into the stroke groove to form a guide column, the guide post is matched with the stroke groove in a sliding way, a reset torsion spring for enabling the baffle plate to shield the inner contact is abutted between the guide post and the cover cap, one end of the push rod is hinged with the guide post, the other end of the push rod is provided with a sliding groove, one end of the push rod is a hinged end, the other end of the push rod is a sliding end, the hinged end is hinged on the side wall of the cover cap, the sliding end is clamped in the sliding groove and is in sliding fit with the sliding groove, a return spring is also abutted between the sliding end and the sliding groove, the spring force of the return spring is greater than that of the return torsion spring, the ejector rod is connected with the push rod to form a contact end which is used for being contacted with the socket mounting seat, the contact end is higher than the end face of the cover cap, the distance from the contact end to the end face of the cover cap is larger than the distance from the insertion end of the connecting power strip to the end face of the power strip installation seat.

4. The electrical switchgear as claimed in claim 2 or 3, wherein: the lock is characterized in that a lock hole is formed in the side wall of the cover cap corresponding to the position of the connecting window, a lock opening is formed in the baffle corresponding to the position of the lock hole, and the lock hole is communicated with the connecting window through the lock opening to form a lock channel for the padlock.

5. An electrical switchgear, according to any of claims 1 to 3, characterized in that: an isolation plate is arranged between the connecting power strip and is shorter than the connecting power strip.

6. The electrical switchgear of claim 1, wherein: the outer contact and the inner contact are integrally arranged, the outer contact is covered by an insulating shell, and the end part of the insulating shell is provided with a plug interface used for exposing the outer contact or the inner contact.