CN219840495U - Electrical program lock of transformer - Google Patents
Electrical program lock of transformer Download PDFInfo
- Publication number
- CN219840495U CN219840495U CN202320901899.9U CN202320901899U CN219840495U CN 219840495 U CN219840495 U CN 219840495U CN 202320901899 U CN202320901899 U CN 202320901899U CN 219840495 U CN219840495 U CN 219840495U
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- China
- Prior art keywords
- program lock
- limiting plate
- rebound
- transformer
- door frame
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000005452 bending Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses an electric program lock of a transformer, which relates to the field of preassembled substations and comprises a door frame, a plug pin, a program lock and a program lock rotating tongue, wherein an annular groove is formed at the tail end of the plug pin, a plug pin limiting plate which moves up and down is arranged at one side of the door frame, limiting blocks which are in abutting fit with the groove and limit the plug pin to move are arranged at two sides of the plug pin limiting plate, rebound mechanisms capable of being bent and reset are symmetrically arranged on the door frame, rebound baffles which limit the plug pin limiting plate to move up and down are arranged at the bottom of the rebound mechanisms, and the rebound baffles can be bent and rebound along with the rebound mechanisms; the plug-in limiting plate is connected with the program lock rotating tongue through a program lock rotating tongue connecting rod, and moves up and down through rotation of the program lock; the electric program lock can simultaneously control the locking and unlocking of the double doors through the single lock, is simple and convenient to operate, reduces misoperation of operators, and is high in safety protection capability.
Description
Technical Field
The utility model relates to the field of preassembled substations, in particular to an electrical program lock of a transformer.
Background
The transformer room safety door of the high-voltage/low-voltage preassembled transformer substation (also called box-type transformer substation or European-type transformer substation) and the high-voltage cabinet operation room used at home at present do not form an electric interlocking or mechanical interlocking mutual access device. The transformer room emergency exit in European style case becomes only through installing ordinary door bolt and joining in marriage padlock or through the mode fixed of installation space-earth lock, and electric safety protection aspect only depends on the operating personnel to electric safety protection's familiarity degree control or the manual mark, and the safety warning mark that paste on the door (electrified danger "note safety" or other warning marks etc.) is reminded operating personnel to pay attention to electric safety, avoids the maloperation. Once an operator misoperates or illegally operates a miselectrified area, operation accidents are easily caused, personal safety is endangered or electrical equipment is damaged, and certain economic loss is caused by abnormal power failure.
The safety door of the transformer is generally provided with a door bolt on both the first door and the second door, and is respectively locked by a padlock after the bolt is inserted. The double-door lock is locked by using the double keys, the operation is complex, the keys are easy to lose, meanwhile, the double keys can be detached, and if an operator mistakenly removes the keys, accidents are easy to cause.
Disclosure of Invention
The utility model aims to provide an electric program lock of a transformer, which can simultaneously control the locking and unlocking of double doors through a single lock, is simple and convenient to operate, reduces the error operation of operators and has high safety protection capability.
The above-mentioned optimization structure of the utility model is realized through the following technical scheme: the utility model provides an electric program lock of transformer, includes the door frame, divides to establish insert the slightly in the door frame both sides, fix the program lock on the door frame, fix the program lock on the program lock changes the tongue, insert slightly terminal being equipped with annular groove, door frame one side is equipped with the slightly limiting plate of inserting of reciprocates, insert slightly limiting plate both sides all be equipped with recess butt cooperation and restriction insert slightly movable stopper, the symmetry is equipped with the rebound mechanism that can buckle and reset on the door frame, rebound mechanism bottom is equipped with the restriction insert slightly limiting plate rebound baffle that reciprocates, rebound baffle can follow rebound mechanism buckle and rebound;
the plug-in limiting plate is connected with the program lock rotating tongue through a program lock rotating tongue connecting rod, and moves up and down through rotation of the program lock.
In some embodiments, the resilient mechanism is a spring hinge.
In some embodiments, the plug-in stop plate is secured to the door frame by a program lock stop.
In some embodiments, the program lock baffle is provided with a plurality of vertical long-waist holes for fixing the plug-in limiting plate.
In some embodiments, the top of the program lock barrier is provided with a fold plate remote from the resilient mechanism.
In some embodiments, a reinforcing plate is disposed within the door frame, the reinforcing plate being remote from the resilient mechanism.
In some embodiments, a square opening is formed in a corner of the limiting block, which is close to the rebound mechanism, and the opening is in abutting fit with the groove.
In some embodiments, the joint of the limiting block and the groove is rounded.
In some embodiments, the program lock tongue linkage is zig-zag.
In some embodiments, one side of the program lock tongue connecting rod is movably connected with the program lock tongue through a screw, and the other side of the program lock tongue connecting rod is fixedly connected with the center of the plug-in limiting plate through the screw.
In summary, the utility model has the following beneficial effects:
the two sides of the door frame are respectively provided with a plug-in pin, a program lock and a plug-in pin limiting plate are arranged at the center of the door frame, the plug-in pin limiting plate is driven to move up and down by the rotation of the program lock, and the program lock is locked and unlocked by the abutting fit of the plug-in pin limiting plate and the plug-in pin; through setting up the rebound baffle that the limiting plate reciprocated is inserted in the restriction, when inserting slightly not inserting in one side, the rebound baffle is fixed to insert slightly the limiting plate with the rebound baffle, makes to insert slightly the limiting plate and can not reciprocate to make the procedure lock can not rotate, can control two doors simultaneously through single procedure lock, whole process operation is simple convenient, reduces operating personnel's fault operation, and the safety protection ability is high. Meanwhile, the reinforcing plate 8 is obliquely arranged in the door frame, the bending plate is arranged at the top of the program lock baffle plate 9, double waterproof can be formed, rainwater above the program lock is drained to one side far away from the program lock, water drops are prevented from directly dropping on the program lock, the program lock is corroded, and a good waterproof effect is achieved.
Drawings
FIG. 1 is a block diagram of a program lock according to the present utility model;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;
FIG. 4 is an enlarged view of part of C of FIG. 2 when the program lock is closed;
FIG. 5 is an enlarged view of part of the portion D of FIG. 3 when the program lock is closed;
FIG. 6 is an enlarged view of part of C in FIG. 2 when the program lock is unlocked;
FIG. 7 is a partially enlarged schematic illustration of D of FIG. 3 with the program lock unlocked;
fig. 8 is a schematic back view of fig. 1.
In the figure: 1. a first door; 2. a second door; 3. a door frame; 4. a door bolt; 5. a plug pin; 6. stud hinges; 7. a screw; 8. a door frame reinforcing plate; 9. program lock baffle; 10. a bolt limiting plate; 11. program lock tongue connecting rod; 12. a rebound mechanism; 13. a rebound baffle; 14. program lock tongue; 15. a program lock; 16. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-8, the transformer room safety door comprises a first door 1 and a second door 2, door bolts 4 and bolts 5 are arranged on the first door 1 and the second door 2, the first door 1 and the second door 2 are arranged on a door frame 3 through stud hinges 6, when the first door 1 or the second door 2 is opened, a program lock 15 and a rebound mechanism 12 are arranged on the door frame 3 in the middle of the first door 1 and the second door 2, the rebound mechanism 12 can be a spring hinge, the rebound mechanism 12 can be divided into a fixed end and a bending end, a rebound baffle 13 is arranged at the bottom of the bending end of the rebound mechanism 12, a plug 5 is inserted into the door frame 3, the plug 5 presses the rebound mechanism 12 to bend the bending end towards the fixed end, the rebound baffle 13 bends together with the bending end, and the restriction of the rebound mechanism 12 and the rebound baffle 13 on the up-and-down movement of the plug limiting plate 10 is relieved; the program lock rotating tongue 14 is fixed on the program lock 15, and one end of the program lock rotating tongue connecting rod 11 can be connected with the program lock rotating tongue 14 through a screw 7; the other end of the bolt limiting plate 10 can be fixed on the bolt limiting plate 10 through the screw 7 and can be fixed at the center of the bolt limiting plate 10, so that the whole bolt limiting plate 10 is stressed more uniformly, and the bolt limiting plate 10 can move up and down with smaller force; the screw 7 can be a hexagon socket head cap screw, can be fixed by using a universal hexagon socket head cap wrench, does not need to additionally prepare a maintenance tool, and is convenient for later maintenance. The program lock tongue link 11 may be zigzagged. The program lock 15 rotates to drive the program lock rotating tongue 14 to rotate, so as to drive the bolt limiting plate 10 to move up and down, which is the prior art and is not described herein again; as shown in fig. 8, the plug-in limiting plate 10 is fixed on the door frame 3 through the program lock baffle 9, the program lock baffle 9 is provided with a plurality of vertical long-waist holes, and bolts can be used to pass through the long-waist holes to fix the plug-in limiting plate 10 on the back of the door frame 3, so that the plug-in limiting plate 10 can only move up and down, and can be adjusted when the plug-in limiting plate 10 is installed, thereby being convenient for installation. The tail end of the pin 5 is provided with an annular groove, two sides of the pin limiting plate 10 are respectively provided with a limiting block 16 which is in abutting fit with the groove and limits the pin 5 to move, the limiting blocks 16 can be fixed on the pin limiting plate 10 through welding and can be fixed on the pin limiting plate 10 through bolts, and the limiting blocks 16 can be formed by bending two sides of the pin limiting plate 10; a square opening is formed in one corner of the limiting block 16, which is close to the rebound mechanism 12, and the opening is in abutting fit with the groove, so that the limiting movement function of the plug-in pin limiting plate 10 on the plug-in pin 5 is realized; the butt joint of the limiting block 16 and the groove can be rounded, so that the contact area of the limiting block 16 and the groove can be enlarged, and the limiting movement function of the pin 5 by the pin limiting plate 10 is enhanced.
In summary, the specific working principle is as follows: when the first door 1 is locked, the rebound mechanism 12 fixed on one side of the middle door frame 3 close to the first door 1 is inserted along with the bolt 5, the bending end is gradually attached to the fixed end, and the upward and downward movement restriction of the rebound mechanism 12 and the rebound baffle 13 on the bolt limiting plate 10 is released; at this time, the latch 5 in the second door 2 is not inserted, the rebound mechanism 12 near the side of the second door 2 is in a natural state, the rebound baffle 13 at the bottom of the rotating end of the rebound mechanism 12 can block the rising of the latch limiting plate 10, as shown in fig. 6 and 7, so that the program lock 15 cannot rotate, and at this time, the program lock rotating tongue 14, the program lock rotating tongue connecting rod 11 and the latch limiting plate 10 are in a vertical state, as shown in fig. 4 and 5. When the bolt 5 in the second door 2 is also inserted into the lock, the rebound mechanisms 12 and the rebound baffles 13 on two sides remove the up-and-down movement restriction on the bolt limiting plate 10, the program lock 15 rotates to drive the program lock rotating tongue 14 to rotate so as to drive the bolt limiting plate 10 to move upwards for locking, and meanwhile, the limiting blocks 16 on two sides of the bolt limiting plate 10 are respectively clamped at the grooves of the bolts 5 on the first door 1 and the second door 2, as shown in fig. 5, so that the bolts 5 cannot be pulled outwards, and the effect of locking the left second door is achieved.
When the program lock 15 is unlocked, the program lock rotating tongue 14 is in a horizontal state, and drives the bolt limiting plate 10 to move downwards to the state of fig. 6 together with the program lock rotating tongue connecting rod 11, and the first door 1 and the second door 2 can be opened after the clamping positions on the two sides of the bolt limiting plate 10 are not arranged at the groove of the bolt 5.
In some embodiments, if the lock core of the internal program lock 15 in the locked state is rusted or other mechanical parts are damaged, the socket head cap wrench can be used to loosen the socket head cap screw 7 in fig. 1, so that the program lock tongue connecting rod 11 drives the bolt limiting plate 10 to drop vertically together due to no support, and the first door 1 and the second door 2 can be opened after the groove of the bolt 5 has no clamping position of the bolt limiting plate 10.
In some embodiments, a reinforcing plate 8 is provided in the door frame 3 to strengthen the connection strength between the door frames 3.
In some embodiments, the reinforcing plate 8 is far away from the rebound mechanism 12, the top of the program lock baffle 9 is provided with a bending plate far away from the rebound mechanism 12, a double waterproof structure can be formed above the program lock 15, rainwater above the program lock 15 is drained to one side far away from the program lock 15, water drops are prevented from directly dropping on the program lock, the program lock is corroded, and a good waterproof effect is achieved.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides an electric program lock of transformer, includes door frame (3), divides to establish insert slightly (5) of door frame (3) both sides, fix program lock (15) on door frame (3), fix program lock tongue (14) on program lock (15), its characterized in that: the end of the inserting pin (5) is provided with an annular groove, one side of the door frame (3) is provided with an inserting pin limiting plate (10) which moves up and down, two sides of the inserting pin limiting plate (10) are respectively provided with limiting blocks (16) which are in butt fit with the groove and limit the movement of the inserting pin (5), the door frame (3) is symmetrically provided with a rebound mechanism (12) which can be bent and reset, the bottom of the rebound mechanism (12) is provided with a rebound baffle (13) which limits the upper and lower movement of the inserting pin limiting plate (10), and the rebound baffle (13) can be bent and rebound along with the rebound mechanism (12);
the plug-in limiting plate (10) is connected with the program lock rotating tongue (14) through a program lock rotating tongue connecting rod (11), and the plug-in limiting plate (10) moves up and down through rotation of the program lock (15).
2. An electrical program lock for a transformer as claimed in claim 1, wherein: the rebound mechanism (12) is a spring hinge.
3. An electrical program lock for a transformer as claimed in claim 1, wherein: the plug-in limiting plate (10) is fixed on the door frame (3) through the program lock baffle plate (9).
4. An electrical program lock for a transformer as claimed in claim 3, wherein: a plurality of vertical long waist-shaped holes for fixing the plug-in limiting plate (10) are formed in the program lock baffle plate (9).
5. An electrical program lock for a transformer as claimed in claim 3, wherein: a reinforcing plate (8) is arranged in the door frame (3).
6. An electrical program lock for a transformer as set forth in claim 5, wherein: the reinforcing plate (8) is far away from the rebound mechanism (12), and the top of the program lock baffle plate (9) is provided with a bending plate far away from the rebound mechanism (12).
7. An electrical program lock for a transformer as claimed in claim 1, wherein: a square opening is formed in one corner, close to the rebound mechanism (12), of the limiting block (16), and the opening is in butt fit with the groove.
8. An electrical program lock for a transformer as set forth in claim 7 wherein: rounded corners are formed at the abutting positions of the limiting blocks (16) and the grooves.
9. An electrical program lock for a transformer as claimed in claim 1, wherein: the program lock tongue connecting rod (11) is Z-shaped.
10. An electrical program lock for a transformer as claimed in claim 1, wherein: one side of the program lock rotating tongue connecting rod (11) is movably connected with the program lock rotating tongue (14) through a screw (7), and the other side of the program lock rotating tongue connecting rod (11) is fixedly connected with the center of the plug-in limiting plate (10) through the screw (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320901899.9U CN219840495U (en) | 2023-04-17 | 2023-04-17 | Electrical program lock of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320901899.9U CN219840495U (en) | 2023-04-17 | 2023-04-17 | Electrical program lock of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840495U true CN219840495U (en) | 2023-10-17 |
Family
ID=88303088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320901899.9U Active CN219840495U (en) | 2023-04-17 | 2023-04-17 | Electrical program lock of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840495U (en) |
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2023
- 2023-04-17 CN CN202320901899.9U patent/CN219840495U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |