CN201521169U

CN201521169U - Convenient door lock of switch cabinet

Info

Publication number: CN201521169U
Application number: CN2009201707495U
Authority: CN
Inventors: 吴存林
Original assignee: Kunshan Zhenhong Electron Machinery Co Ltd
Current assignee: Kunshan Zhenhong Electron Machinery Co Ltd
Priority date: 2009-08-19
Filing date: 2009-08-19
Publication date: 2010-07-07
Anticipated expiration: 2019-08-19

Abstract

The utility model relates to a door lock of a high and low voltage switch cabinet. The door lock comprises a lock cylinder, a lock plug, a gear, gear pull rods, an elastic device, a movable block, a bolt and a lock case, wherein the movable block is connected with the gear pull rods through screws; the gear pull rods are connected with the gear through mesh openings on the gear pull rods; the movable block is connected with the lock case through a connecting rod; one end of the elastic device is clamped on a bump of the movable block; the other end of the elastic device is clamped on a bump of the lock case; the lock cylinder, the lock plug and the gear are integrally fixed through screws; the gear rotates along the lock plug rotated by a key; the gear on the lock plug drives the gear pull rods on two sides of the gear to pull the movable block from two sides of the lock case to the middle of the lock case; and the bolt fixed onto the movable block is moved towards the middle position when the movable block is pulled. After a door is closed, the key is loosened, the movable block returns under the action of restoring force of the elastic device. When in returning, the bolt is locked into a groove of a hanger, and the door is locked. The door lock of the switch cabinet has the advantages of reasonable design, convenient assembly, flexible opening and closing, high safety and extremely strong practicability and popularization.

Description

Convenient door lock of switch cabinet

Technical field

The utility model relates to a kind of switchboard door lock of high-low voltage electric power distribution cabinet, particularly a kind of convenient door lock of switch cabinet.

Background technology

In power system, electric power is carried the production that is related to people, work and life, in the power transmission and transformation process, power supply administration particularly, electric substation all can use height, low-voltage cabinet, and it is high, the quality of low-tension switch cabinet will directly have influence on the conveying of electric power, in line maintenance, reasons such as tripping operation all need to open timely the cabinet door, all are to adopt the bolt switch at existing cabinet door lock, adopt bolt switch safety factor height, but the speed that is screwed into of bolt is slow, efficient is low, and particularly running into when the cabinet door is opened in accident needs the long period to open the cabinet door, influences the processing of accident.Existing switchboard door lock has a kind of push-plate type door lock, and is unreasonable on the structure, and the lock core opening mechanism is provided with complexity, uses inconveniently, and cost is also high.As 2,008,201,507,329 1 kinds of structure improved switchboard door locks of the patent No., be to rotate the switchboard door by lock core interlock dead bolt, though easy, safety factor is low.Therefore must there be a kind of more convenient, safer switchboard door lock to replace existing door lock.

The utility model content

In order to address the above problem, the utility model provides a kind of brand-new switchboard door lock to substitute existing switchboard door lock.

The utility model switchboard door lock comprises lock housing, first movable block, second movable block, the first gear pull bar, the second gear pull bar, first elastic device, second elastic device, gear, first hook, second hook, tapered end and lock core.Lock housing is by first locking face, the U type groove shape lock housing that second locking face the 3rd locking face is formed, and first locking face and second locking face are provided with some groups of corresponding holes, and the two ends of the 3rd lock housing respectively have a hole, are used for lock housing is connected with cabinet, and sky is dragged at the 3rd lock housing middle part; The tapered end intermediate hollow, be used for passing screw and lock core, two holes are run through at the two ends of tapered end, be used for snapping in the screw of locking closure and installation cabinet catch, lock core is equipped with in the outside of tapered end, and gear is equipped with in the inside, lock core, tapered end and gear are fixed together by screw, and gear rotates along with the rotation of lock core, and what tapered end was arranged on the 3rd locking face drags for the sky part; The gear pull bar an end be provided with a hole, the other end is provided with the mouth of nibbling that conforms to gear, an end of gear pull bar links to each other with movable block by screw, the other end mouthful links to each other with gear by top nibbling; Movable block is by first plate, the U type groove shape movable block that second plate and the 3rd plate are formed, first movable block and second movable block are provided with some groups of holes of symmetry, wherein there are two group leader holes to be used for passing connecting rod, the outermost that one group of hole is located at movable block is used for installing dead bolt, in addition, one end of first movable block is provided with a hole, this hole is used for linking to each other with the gear motion bar, an end of the 3rd movable block be provided with a recess, this recess is corresponding with the hole site of lock housing end, diameter is greater than the diameter in hole, the middle part riveting of the 3rd movable block becomes a rectangular opening, and riveting is cut part to invagination, makes it to form a projection; Respectively be provided with a dead bolt on first movable block and second movable block, the dead bolt pin is gone in the hole of first and second plate, and the outside of dead bolt is an inclined-plane, and dead bolt is used for locking in the groove of hook; One end of first elastic device links to each other with projection on first movable block, and the other end links to each other with first projection on the 3rd shell face, and an end of second elastic device links to each other with projection on second movable block, and the other end links to each other with second projection of the 3rd shell face; One end of hook is provided with screw thread, and the one side of the other end is the inclined-plane, and this inclined-plane is corresponding with the inclined-plane on the dead bolt, and the middle part of hook is provided with a groove, is used for hanging dead bolt.

When opening the cabinet door, pass through key rotation lock core, because lock core and gear are fixed together by screw, transmitting gear in rotational lock core, the gear driven first gear pull bar and the second gear pull bar move to the centre from both sides, because the first gear pull bar and first movable block link together, the second gear pull bar and second movable block link together, therefore drive first movable block and second movable block moves to the middle part from the lock housing both sides, dead bolt breaks away from the groove of hook when the lock housing middle part is mobile along with movable block, at this moment the cabinet door can be opened, first movable block resets under the effect of the first elastic device restoring force when decontroling key, and second movable block resets under the effect of the restoring force of second elastic device simultaneously.At closing time principle with open the door identical, just closing Over-The-Counter behind the door, first movable block resets under the return action of the first elastic device restoring force, dead bolt on first movable block is locked in the groove of first hook, second movable block resets under the return action of the restoring force of second elastic device simultaneously, dead bolt on second movable block is locked in the groove of second hook door lock is lived, finished a switch motion.Closing the door also can be without key, as long as firmly close the door, because dead bolt has an inclined-plane, hook also has an inclined-plane, both inclined-planes are corresponding, hook be fix and dead bolt along with the movable block activity, therefore, promoting dead bolt under the effect of external force moves, behind the door-closing in-place, under the effect of the restoring force of elastic device, movable block resets, dead bolt is locked in the groove of hook, cabinet door lock is lived.

Description of drawings

Fig. 1 is the schematic diagram of convenient door lock of switch cabinet;

Fig. 2 is a side schematic view of the movable block of convenient door lock of switch cabinet;

Fig. 3 is the another side schematic diagram of the movable block of convenient door lock of switch cabinet;

Fig. 4 is the another side schematic diagram of the movable block of convenient door lock of switch cabinet;

Fig. 5 is the hook schematic diagram of convenient door lock of switch cabinet;

Fig. 6 is the gear pull bar schematic diagram of convenient door lock of switch cabinet;

Fig. 7 is the tapered end schematic diagram of convenient door lock of switch cabinet;

Fig. 8 is another schematic diagram of tapered end of convenient door lock of switch cabinet;

Fig. 9 is the connection diagram of the gear and the gear pull bar of convenient door lock of switch cabinet;

Figure 10 is the lock housing schematic diagram of convenient door lock of switch cabinet;

Figure 11 is another schematic diagram of lock housing of convenient door lock of switch cabinet;

Figure 12 is another schematic diagram of lock housing of convenient door lock of switch cabinet;

Figure 13 is the dead bolt side schematic view of convenient door lock of switch cabinet;

Figure 14 is the lock core schematic diagram of convenient door lock of switch cabinet;

Figure 15 is that the hook and the dead bolt of convenient door lock of switch cabinet pins schematic diagram.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described.

Convenient door lock of switch cabinet of the present utility model comprises: lock housing 1, first movable block 221, second movable block 222, tapered end 3, gear 4, first gear draw 61, the second gear pull bar 62, first elastic device, 91 second elastic devices 92 and hook 8.

See also Figure 10-Figure 12, lock housing 1 is by the first shell face 111, the second shell face 112 and the 3rd shell face 113 are formed U type groove shape lock housing as shown in figure 11, the two ends of the 3rd shell face 113 respectively have aperture 11, passing this hole with screw is connected and fixed lock housing and cabinet door, also have a rectangular opening 14 on the 3rd shell face 113, this mouth is used to install tapered end 3, two parts are opened in the 3rd shell face riveting, the part that riveting is opened inwardly is converted into the L type, forms two projections 131,132), symmetry has an aperture (151 on the first shell face 111 and the second shell face 112,152,153,154) these apertures are to be used for passing connecting rod, in order to movable block 2 and lock housing 1 are connected together.

See also Fig. 2-Fig. 4, first movable block 221 and second movable block 222 are by the first plate face, the second plate face, the 3rd plate face is formed U type groove shape movable block as shown in Figure 3, first movable block 221 and second movable block, 222 structures, size is identical, be located at the two ends of lock housing respectively, it is opposite that direction is set, the first plate face and the second plate face of first movable block 221 and second movable block 222 have two pairs of slotted holes (21 symmetrically, 23), these two pairs of slotted holes are to be used for passing connecting rod, the pair of holes 22 that also is provided with symmetry is opened in the outside of the first plate face and the second plate face, the shape in this hole is identical with the cross section of dead bolt, this hole is slightly less than dead bolt, pin can block dead bolt its activity that do not allow when going into dead bolt, the middle riveting of the 3rd plate face of first movable block 221 is opened flatly 27, the part 24 in riveting sky inwardly is converted into the L type as shown in Figure 3, a bite 27 is opened in the middle riveting of second movable block 222, the part 29 in riveting sky inwardly is converted into the L type, one end of the first plate face of first movable block and second movable block has a hole 25, the 3rd plate face of first movable block and second movable block has a recess 28, and the position of this recess 28 is corresponding with the hole 11 on the lock housing 1, and the periphery of recess 28 is greater than the periphery in hole 11.

See also Fig. 7-Fig. 8, the both sides of tapered end 3 respectively are provided with a

groove

31,32, the width of this

groove

31,32 should be greater than the thickness of the first gear pull bar 61 and the second gear pull bar 62, the first gear pull bar 61 is located in the groove 31 of tapered end 3, the second gear pull bar 62 is located in the groove 32 of tapered end 3, the two ends of tapered end 3 are also run through and are had two holes 33, and the middle part of tapered end 3 has a hole and is used for interting screw and lock core 9.

Consult Fig. 6, an end of the first gear pull bar 61, the second gear pull bar 62 respectively is provided with a hole 63, and this hole is used for holding screw, and the other end is provided with several tooth mouths 64, and the arrangement in this hole conforms to gear, and when gear rotated, the tooth of gear can just mesh in the tooth mouth 64.

See also Fig. 5, an end 82 of hook 8 is arranged to thread-shaped, and a groove 81 is arranged at hook 8 middle parts, and this groove 81 is used for locking dead bolt, and the outside of hook 8 simultaneously is designed to an inclined-plane 83, and this inclined-plane 83 conforms to inclined-plane on the dead bolt 72.

See also Figure 13, the outside of dead bolt 71 is designed to an inclined-plane 711, and this inclined-plane conforms to inclined-plane in the hook, and dead bolt 72 is identical with dead bolt 71 structure size.

See also Fig. 1,

The first step: tapered end 3 rivetings are gone into lock housing 1 the middle part the mouth 14 in;

Second step: dead bolt 71 rivetings are gone in the hole 22 of first movable block 221, first movable block 221 is put into an end of lock housing 1, dead bolt 72 rivetings are gone in the hole 22 of second movable block 222, second movable block 222 is put into the other end of lock housing, the aspect that two movable blocks are placed is opposite, with connecting rod (731,721) respectively from the hole (151 of the lock housing one side first shell face, 152) intert in and pass hole 21 on first plate, 23, hole 21 from second plate again, 23 pass the hole 151 that penetrates the second shell face, on 152, the two ends of connecting rod and the first shell face and the welding of the second shell face is fixing, again with connecting rod 732,722 respectively from the hole 154 of the first shell face, insert in 153, pass the hole 23 on the first plate face, 21, hole 23 from the second plate face again, pass in 21, two holes 154 from the second shell face, pass in 153, connecting rod two ends and the first shell face and the welding of the second shell face is fixing, like this, first movable block and second movable block just are fixed on the two ends of lock housing, and can in lock housing, move along connecting rod, second movable block, 222 placement directions are opposite with first movable block;

The 3rd step: an end of first elastic device 91 is stuck on the projection 24 of first movable block, and the other end is stuck on the projection 131 of lock housing 1, and an end of second elastic device 92 is stuck on the projection of second movable block 29, and the other end is stuck on the projection 132 of lock housing 1;

The 4th step: with screw 51 hole 63 of the first gear pull bar, 61 1 ends and the hole 25 of first movable block, 221 1 ends are fixed together, the hole 63 of the second gear pull bar, 62 1 ends and the hole 25 of second movable block, 222 1 ends are fixed together with screw 52;

The 5th step: gear pull bar 61 is put into groove 31, gear pull bar 62 is put into groove 32, place gear 4, the tooth of gear 4 is snapped in nibbling in the mouth 64 of gear pull bar (61,62) respectively in the inboard of tapered end 3;

The 6th step: lock core 9 is placed in the outside at tapered end 3, with screw gear 4 tapered ends 3 lock cores 9 is fixed together, and gear 4 can be rotated with the rotation of lock core 9;

The 7th step: useful screw is fixed to lock housing 1 on the position of setting on the switchboard door by the hole 11 at two ends on the 3rd shell face 113;

The 8th step: an end 82 of hook 8 is screwed into cabinet, and the position of hook 8 is corresponding with the position and the quantity of quantity and dead bolt, whole lock body installation.

First embodiment:

Key is put into lock core 9 to rotate, the rotation of lock core 9 has driven gear 4 and has rotated, gear 4 drives the first gear pull bars 61 and the second gear pull bar 62 moves to the centre from both sides, at this moment the first gear pull bar 61 pulling first movable blocks 221 and the second gear pull bar, 62 pullings, second movable block 222 move to the centre from both sides, first movable block 221 when the centre is mobile projection 24 on first movable block 221 along with moving to the centre, and the projection 131 on the 3rd shell face 113 maintains static, projection 24 compresses elastic device 91 with projection 131 like this, second movable block 222 when the centre is mobile projection 29 on second movable block 222 along with moving to the centre, and the projection 132 on the 3rd shell face 113 maintains static, projection 29 compresses elastic device 92 with projection 132, first dead bolt, 71 second dead bolts 72 are also along with first movable block 221 and second movable block move to the centre from both sides, close the Over-The-Counter door, unclamp key, first movable block 221 resets under the restoring force effect of first elastic device 91, second movable block 222 return under the effect of the restoring force of second elastic device 92, dead bolt is locked in the groove 81 of hook 8, at this moment cabinet door lock is lived, lock the sectional drawing of hook as Figure 15 for dead bolt.When opening the door, key, gear 4 drives the first gear pull bar, 61 second gear pull bars 62 and moves to the centre, the first gear pull bar 61 drives first movable block 221, the second gear pull bar 62 and drives second movable block 222 and move to the centre from both sides, dead bolt moves to the centre from both sides with movable block, at this moment dead bolt breaks away from the groove 81 of hook 8, and the cabinet door is opened, finish once open close the cabinet door.

Second embodiment:

At closing time also can be without key, only need firmly close the door, because the outside of dead bolt 71 is inclined-planes 711, and the outside of hook 8 one side also is inclined-plane 83, this two inclined-plane is corresponding, because hook 8 is fixed, and dead bolt 71 is movable, therefore, under the effect of external force, dead bolt 71 711 moves to the centre along the inclined-plane, driving whole movable block simultaneously moves to the centre, when dead bolt 71 moves, elastic device is compressed, until whole dead bolt move on to the hook groove above, at this moment elastic device resets, under the effect of elastic device restoring force, dead bolt is locked in the groove of hook cabinet door lock is lived, lock the sectional drawing of hook as Figure 15 for dead bolt, it is identical with first embodiment to open the door, and the Kai that finishes a cabinet door closes.

Though the utility model with embodiment openly as above; right its is not in order to limit the utility model; any person with usual knowledge in their respective areas; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking the aforesaid right claimed range person of defining.

Claims

1. a convenient door lock of switch cabinet comprises lock housing, it is characterized in that, this lock housing is by the first shell face, and the U type groove shape lock housing that the second shell face and the 3rd shell face are formed also comprises:

One movable block, this movable block is by first plate, the U type groove shape movable block that second plate and the 3rd plate are formed, movable block comprises first movable block and second movable block, first movable block and second movable block are separately positioned on the two ends of lock housing, its shape is all identical with size, and movable block is arranged in the lock housing, links to each other with lock housing by connecting rod;

One gear pull bar, this pull bar comprises the first gear pull bar and the second gear pull bar, the first gear pull bar is identical with size with the shape of the second gear pull bar, the first gear pull bar, the one end other end that links to each other with first movable block links to each other with gear, and an end of the second gear pull bar other end that links to each other with second movable block links to each other with gear;

One tapered end, the two sides of this tapered end is fixed with gear and lock core respectively, and tapered end is arranged in the recess of the 3rd shell face;

One elastic device, this elastic device comprises first elastic device and second elastic device, one end of first elastic device is fixed on the projection of first movable block, the other end is fixed on first projection of the 3rd shell face, one end of second elastic device is fixed on the protrusion piece of second movable block, and the other end is fixed on second projection of the 3rd shell face;

One hook, this hook are used to tangle dead bolt and pin the cabinet door.

2. a kind of convenient door lock of switch cabinet as claimed in claim 1 is characterized in that, the symmetrical several holes that has is used to weld connecting rod on the first lock housing face of lock housing and the second lock housing face.

3. a kind of convenient door lock of switch cabinet as claimed in claim 2, it is characterized in that, the 3rd shell face two ends of lock housing respectively have a hole, be used for locking is fixed on the switchboard door, the middle part of the 3rd shell face has flatly, be slightly less than around this mouthful tapered end around, the 3rd shell face both sides and movable block are assembled corresponding position riveting and are gone out a bite, with riveting get off the part inwardly be converted into the L type, form a projection.

4. a kind of convenient door lock of switch cabinet as claimed in claim 1, it is characterized in that, the width of first movable block and second movable block is less than the width of lock housing inside, can make first movable block and second movable block movable in the groove of lock housing, first plate of first movable block and second movable block and second plate are provided with some to the hole, be used for interting connecting rod and dead bolt, first plate is corresponding with the hole of second plate, in addition, one end of first plate of first movable block and second movable block has a hole, be used for being connected with the gear pull bar, an end of the 3rd plate has a recess, and the position of this recess is corresponding with the hole of lock housing one end.

5. a kind of convenient door lock of switch cabinet as claimed in claim 4, it is characterized in that, respectively be provided with a dead bolt on first movable block and second movable block, the outside of this dead bolt is an inclined-plane, in addition, the 3rd mid-plate riveting of first movable block and second movable block goes out flatly, and riveting is got off partly inwardly is converted into the L type, forms a projection.

6. a kind of convenient door lock of switch cabinet as claimed in claim 1, it is characterized in that an end of the first gear pull bar and the second gear pull bar respectively is provided with several and nibbles mouth, this size of nibbling mouth is consistent with the tooth of gear with positional alignment, the other end has a hole, is used for being connected with movable block.

7. a kind of convenient door lock of switch cabinet as claimed in claim 1, it is characterized in that, the both sides of tapered end respectively are provided with a groove, the width of this groove is greater than the thickness of gear pull bar, can make the gear pull bar with movable in the groove. the two ends of tapered end are run through and are had two holes, are used for the handle that draws that snaps in locking closure in the inboard and be used to adorn the cabinet door in the outside.

8. a kind of convenient door lock of switch cabinet as claimed in claim 1, it is characterized in that, one end of first elastic device is fixed on the projection of first movable block, the other end is fixed on first projection of the 3rd locking face, one end of second elastic device is fixed on the projection of second movable block, the other end is fixed on second projection of the 3rd locking face, utilizes the restoring force of first, second elastic device that movable block is resetted when the switchboard door, the dead bolt on the movable block is locked in the groove of hook.

9. a kind of convenient door lock of switch cabinet as claimed in claim is characterized in that, the outside of hook simultaneously is the inclined-plane, and this inclined-plane is consistent with inclined-plane on the dead bolt, also is provided with a groove in the hook, is used for hanging dead bolt, and an end of hook is connected with cabinet.