CN218265437U - Prepackage type transformer substation security door lock - Google Patents

Abstract

The utility model relates to a security door lock technical field discloses a prepackage type transformer substation security door lock, including the lock body, the lock body includes lock box and the gear drive who sets up in the lock box, gear drive includes gear and the first gleitbretter, second gleitbretter and the third gleitbretter that set up around the gear, first gleitbretter, second gleitbretter and third gleitbretter all are equipped with the rack with gear engagement towards one side of gear, horizontal sliding connection between first gleitbretter and the lock box, all perpendicular sliding connection between second gleitbretter and the lock box and between third gleitbretter and the lock box, just be equipped with the lockhole to the position of gear on the lock box; the utility model provides a pair of prepackage type transformer substation security door lock has solved the easy artificial destructiveness of the upper and lower point of current adoption locking lever lock box formula transformer substation cabinet door and has opened, hardly satisfies the problem that current power equipment theftproof required.

Description

Prepackage type transformer substation security door lock

Technical Field

The utility model relates to a security door lock technical field, concretely relates to prepackage type transformer substation security door lock.

Background

The existing box-type transformer cabinet door lock is generally formed by an embedded lock box and a copper padlock, the embedded lock box is made of plastic materials, a door handle is arranged in the lock box and drives the telescopic locking rod to be locked by two points from top to bottom through a revolving door handle, the locking rod is aligned with a lock catch in an extension state, the door is locked by the copper padlock, the existing scheme is to lock the upper point and the lower point of a box-type transformer substation cabinet door by the locking rod, the locking rod can fall under the action of external force due to the gravity of the locking rod, the copper padlock is easy to damage, the copper padlock is easy to technically open, and the anti-theft requirement of current power equipment is hardly met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prepackage type transformer substation security door lock for solve at least one above-mentioned problem that exists among the prior art.

In order to realize the purpose, the utility model adopts the following technical scheme:

a pre-installed substation security door lock comprises a lock body, wherein the lock body comprises a lock box and a gear transmission mechanism arranged in the lock box, the gear transmission mechanism comprises a gear and a first sliding piece, a second sliding piece and a third sliding piece which are arranged around the gear, racks meshed with the gear are arranged on one sides, facing the gear, of the first sliding piece, the second sliding piece and the third sliding piece, the first sliding piece is horizontally connected with the lock box in a sliding mode, the second sliding piece is vertically connected with the lock box in a sliding mode, the third sliding piece is vertically connected with the lock box in a sliding mode, and a lock hole is formed in the position, opposite to the gear, of the lock box;

a lock tongue is arranged at one end of the first sliding sheet, the lock tongue extends out of the lock box and is in horizontal sliding fit with the lock box, and the other end of the first sliding sheet is elastically connected with the inner side wall of the lock box;

the upper end of the second sliding sheet is elastically connected with the inner side wall of the lock box, the lower end of the second sliding sheet is provided with a lower lock rod, and the lower lock rod extends out of the lock box and is vertically matched with the lock box in a sliding manner;

the lower extreme of third gleitbretter and the inside wall elastic connection of lock box, the upper end of third gleitbretter is equipped with the locking lever, go up the locking lever and stretch out lock box and perpendicular sliding fit between the two.

According to the technical scheme, through the arrangement of the lock tongue, the upper lock rod and the lower lock rod, the sliding fit of the first sliding sheet, the second sliding sheet, the third sliding sheet and the lock box is matched, and the elastic connection relation between the first sliding sheet, the second sliding sheet, the third sliding sheet and the lock box is also matched, meanwhile, the gear can drive the first sliding sheet, the second sliding sheet and the third sliding sheet simultaneously, when the first sliding sheet, the second sliding sheet and the third sliding sheet are in a locked state, the lock tongue, the upper lock rod and the lower lock rod can realize locking from three directions simultaneously, namely lateral locking is realized through the lock tongue, upper locking is realized through the upper lock rod, lower locking is realized through the lower lock rod, and three lock points are used for locking the upper point and the lower point of the cabinet door of a box type transformer, the three-point locking of the technical scheme is safer and more stable, the elastic connection relation between the first sliding sheet, the second sliding sheet and the third sliding sheet and the lock box is not damaged by people even if the outer lock box is damaged manually, and the problem that the cabinet door lock can not be damaged by people easily caused by the cabinet lock door lock in a cabinet is solved.

Furthermore, in order to realize opening the lock body through special key, still include the key, the key stretches into the downthehole drive gear of lockhole and rotates, the inboard symmetry of gear is equipped with the arch, the arch radially extends towards the inboard of lockhole, the key includes the key handle and sets up the key core on the key handle, be equipped with the bar groove along its length direction symmetry on the key core, the key core stretches into in the lockhole, the bar groove rotates with the protruding back key core drive gear that docks that corresponds.

It should be noted that, the inner side of the gear is symmetrically provided with the protruding design, so that other tools such as a screwdriver can be prevented from being opened.

Further, for the convenience of the key can correctly insert the lockhole and avoid outside guide block to influence the rotation operation of key, be equipped with the outside guide block that corresponds with the arch in the lockhole, the tip that lies in the bar groove on the key core is equipped with the ring channel with bar groove intercommunication, the bar groove is earlier with outside guide block butt joint back along with the key core continues to move towards the gear and makes bar groove and the protruding butt joint that corresponds, outside guide block moves into the ring channel from the bar groove simultaneously.

Further, for the sliding fit between first gleitbretter, second gleitbretter and the third gleitbretter of better realization and the lock box, simultaneously in order to simplify structural design, be equipped with four rotation posts in the lock box, four lines that rotate the post are the rectangle, be equipped with first bar hole, second bar hole and third bar hole on first gleitbretter, second gleitbretter and the third gleitbretter respectively, first bar hole and two rotation post sliding fit that are located the top, second bar hole and two rotation post sliding fit that are located left, third bar hole and two rotation post sliding fit that are located the right side.

Furthermore, in order to facilitate the modular assembly of the lock box, the lock box comprises a lock box body and a lock cover plate fixedly installed on the lock box body.

Further, for the convenience of fixed mounting of lock box body and lock cover plate, be equipped with four stud covers on the lock box body, four stud covers extend towards the lock cover plate direction, fixed mounting is realized through the threaded connection of stud and stud cover between lock cover plate and the lock box body.

Further, in order to facilitate the installation of four rotating columns and lock sleeves, a pressing plate is arranged in the lock box, the four rotating columns are arranged between the lock box body and the pressing plate, the lock sleeves are arranged between the pressing plate and the lock cover plate, keys can be guided to the gear by the lock sleeves, so that the keys are in butt joint with the gears, the lock holes are formed in the lock cover plate, and the lock holes, the lock sleeves and the gears are coaxially arranged.

Furthermore, in order to conveniently realize the elastic connection of the first sliding piece, the second sliding piece and the third sliding piece with the lock box, a first spring core, a second spring core and a third spring core are arranged in the lock box, the first spring core is fixedly arranged at a position right opposite to the first sliding piece, the second spring core is fixedly arranged at a position right opposite to the second sliding piece, and the third spring core is fixedly arranged at a position right opposite to the third sliding piece; the first spring core is in horizontal sliding fit with the first sliding sheet, a first spring is sleeved on the outer side of the first spring core, and two ends of the first spring are respectively abutted against the inner side wall of the lock box and the end part of the first sliding sheet; the second spring core is vertically matched with the second sliding sheet in a sliding manner, a second spring is sleeved on the outer side of the second spring core, and two ends of the second spring are respectively abutted against the inner side wall of the lock box and the end part of the second sliding sheet; the third spring core is in vertical sliding fit with the third sliding sheet, a third spring is sleeved on the outer side of the third spring core, and two ends of the third spring are respectively abutted to the inner side wall of the lock box and the end portion of the third sliding sheet.

Furthermore, in order to improve the flexibility of locking the lock tongue, the lock tongue is elastically connected with the first sliding piece.

Further, for the installation of conveniently realizing the spring bolt and the elastic connection between spring bolt and the first gleitbretter, spring bolt fixedly connected with connecting rod, connecting rod and the horizontal sliding fit of first gleitbretter, the connecting rod outside cover is equipped with the fourth spring, the both ends of fourth spring respectively with the inside wall of lock box and the tip butt of first gleitbretter.

The beneficial effects of the utility model are that: according to the technical scheme, through the arrangement of the lock tongue, the upper lock rod and the lower lock rod, the sliding fit of the first sliding sheet, the second sliding sheet, the third sliding sheet and the lock box is matched, and the elastic connection relation between the first sliding sheet, the second sliding sheet, the third sliding sheet and the lock box is also matched, meanwhile, the gear can drive the first sliding sheet, the second sliding sheet and the third sliding sheet simultaneously, when the first sliding sheet, the second sliding sheet and the third sliding sheet are in a locked state, the lock tongue, the upper lock rod and the lower lock rod can realize locking from three directions simultaneously, namely lateral locking is realized through the lock tongue, upper locking is realized through the upper lock rod, lower locking is realized through the lower lock rod, and three lock points are used for locking the upper point and the lower point of the cabinet door of a box type transformer, the three-point locking of the technical scheme is safer and more stable, the elastic connection relation between the first sliding sheet, the second sliding sheet and the third sliding sheet and the lock box is not damaged by people even if the outer lock box is damaged manually, and the problem that the cabinet door lock can not be damaged by people easily caused by the cabinet lock door lock in a cabinet is solved.

Drawings

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

FIG. 2 is a perspective schematic view of the present invention;

FIG. 3 is a schematic structural view of the present invention with the lock cover removed;

FIG. 4 is a schematic structural view of the present invention with some components removed;

FIG. 5 is a schematic view of a first perspective of a key according to the present invention;

fig. 6 is a schematic structural view of a second perspective of the key of the present invention.

In the figure: a lock case 1; a box locking body 1.1; a lock cover plate 1.2; a gear 2; a first slide 3; a second slip sheet 4; a third slip sheet 5; a lock hole 6; a lock tongue 7; a locking plate 8; a lock-down lever 9; an upper lock lever 10; a key 11; a key grip 11.1; a key core 11.2; a projection 12; a strip groove 13; an external guide block 14; an annular groove 15; a rotating post 16; a first bar-shaped aperture 17; a second bar-shaped hole 18; a third bar-shaped hole 19; a first spring core 20; a second spring core 21; a third spring core 22; a first spring 23; a second spring 24; a third spring 25; a connecting rod 26; a fourth spring 27; a left connecting portion 28; a right side connecting portion 29; an upper left connecting portion 30; a lower left connecting portion 31; an upper right connecting portion 32; a right lower connecting portion 33; a stud sleeve 34; a lock sleeve 35; a platen 36.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

Example 1:

as shown in fig. 1-fig. 6, this embodiment provides a preassembled transformer substation security door lock, which includes a lock body, the lock body includes a lock box 1 and a gear transmission mechanism disposed in the lock box 1, it should be noted that, in order to further enhance the safety of use, the lock box 1 is made of a metal material, the gear transmission mechanism includes a gear 2 and a first sliding piece 3, a second sliding piece 4 and a third sliding piece 5 disposed around the gear 2, one side of the first sliding piece 3, one side of the second sliding piece 4 and one side of the third sliding piece 5 facing the gear 2 are all provided with a rack engaged with the gear 2, the first sliding piece 3 is horizontally slidably connected with the lock box 1, the second sliding piece 4 is vertically slidably connected with the lock box 1, and the third sliding piece 5 is vertically slidably connected with the lock box 1, and a lock hole 6 is disposed at a position on the lock box 1 opposite to the gear 2;

one end of the first sliding sheet 3 is provided with a lock tongue 7, one side of the lock box 1 is provided with a lock plate 8, the lock tongue 7 sequentially extends out of the lock box 1 and the lock plate 8, the lock tongue 7 is horizontally matched with the lock box 1 and the lock plate 8 in a sliding manner, and the other end of the first sliding sheet 3 is elastically connected with the inner side wall of the lock box 1;

the upper end of the second sliding sheet 4 is elastically connected with the inner side wall of the lock box 1, the lower end of the second sliding sheet 4 is provided with a lower lock rod 9, and the lower lock rod 9 extends out of the lock box 1 and is vertically matched with the lock box 1 in a sliding manner;

the lower end of the third sliding sheet 5 is elastically connected with the inner side wall of the lock box 1, the upper end of the third sliding sheet 5 is provided with an upper lock rod 10, and the upper lock rod 10 extends out of the lock box 1 and is in vertical sliding fit with the lock box 1.

In the technical scheme, through the arrangement of the lock tongue 7, the upper lock rod 10 and the lower lock rod 9, the sliding fit of the first sliding piece 3, the second sliding piece 4 and the third sliding piece 5 with the lock box 1 and the elastic connection relationship between the first sliding piece 3, the second sliding piece 4 and the third sliding piece 5 and the lock box 1 are matched, meanwhile, the gear 2 can drive the first sliding piece 3, the second sliding piece 4 and the third sliding piece 5 simultaneously, when the first sliding piece 3, the second sliding piece 4 and the third sliding piece 5 are in a locking state, the lock tongue 7, the upper lock rod 10 and the lower lock rod 9 are locked from three directions simultaneously, namely, the lateral locking is realized through the lock tongue 7, the upper locking is realized through the upper lock rod 10, the lower locking is realized through the lower lock rod 9, three locking points are total, the upper lock rod 10 and the lower lock rod 9 are used for locking the upper lock rod and the lower lock rod 9 of the cabinet door of the box-type transformer, the three-point locking of the technical scheme is safer and more stable, the elastic connection relationship between the first sliding piece 3, the second sliding piece 4 and the third sliding piece 5 and the lock box 1 can not be damaged by the external spring, and the lock rod 9 can not be damaged by the external lock, and the problem that a door lock can not be damaged by the lock of the lock box-type transformer even if a person who falls is solved.

Example 2:

this embodiment is optimized based on embodiment 1 described above.

In order to realize the opening of the lock body through a special key 11, the lock body further comprises a key 11, the key 11 extends into the lock hole 6 to drive the gear 2 to rotate, bulges 12 are symmetrically arranged on the inner side of the gear 2, the bulges 12 radially extend towards the inner side of the lock hole 6, the key 11 comprises a key handle 11.1 and a key core 11.2 arranged on the key handle 11.1, in order to facilitate operation, the key handle 11.1 and the key core 11.2 are perpendicular to each other, strip-shaped grooves 13 are symmetrically arranged on the key core 11.2 along the length direction of the key core, the key core 11.2 extends into the lock hole 6, and the key core 11.2 drives the gear 2 to rotate after the strip-shaped grooves 13 are butted with the corresponding bulges 12.

It should be noted that the inner side of the gear 2 is symmetrically provided with the protrusion 12, which can prevent other tools such as a screwdriver from being turned on.

Example 3:

this embodiment is optimized based on embodiment 2 described above.

In order to facilitate the correct insertion of the key 11 into the lock hole 6 and to avoid the influence of the external guide block 14 on the rotation operation of the key 11, the lock hole 6 is provided with the external guide block 14 corresponding to the protrusion 12, the end of the key core 11.2 located in the strip-shaped groove 13 is provided with the annular groove 15 communicated with the strip-shaped groove 13, the strip-shaped groove 13 is firstly butted with the external guide block 14 and then moves towards the gear 2 along with the key core 11.2, so that the strip-shaped groove 13 is butted with the corresponding protrusion 12, and meanwhile, the external guide block 14 moves into the annular groove 15 from the strip-shaped groove 13.

Example 4:

this embodiment is optimized based on embodiment 1 described above.

For better realization first gleitbretter 3, sliding fit between second gleitbretter 4 and third gleitbretter 5 and the lock box 1, simultaneously for simplifying structural design, be equipped with four rotation post 16 in the lock box 1, four lines that rotate post 16 are the rectangle, first gleitbretter 3, be equipped with first bar hole 17 on second gleitbretter 4 and the third gleitbretter 5 respectively, second bar hole 18 and third bar hole 19, first bar hole 17 with be located two rotation post 16 sliding fit of top, second bar hole 18 with be located left two rotation post 16 sliding fit, third bar hole 19 with be located the right side two and rotate post 16 sliding fit.

Example 5:

this embodiment is optimized based on embodiment 1 described above.

In order to facilitate the modular assembly of the lock case 1, the lock case 1 includes a lock case body 1.1 and a lock cover plate 1.2 fixedly installed on the lock case body 1.1.

Example 6:

this embodiment is optimized based on embodiment 5 described above.

In order to facilitate the fixed installation of the lock box body 1.1 and the lock cover plate 1.2, four stud sleeves 34 are arranged on the lock box body 1.1, the four stud sleeves 34 extend towards the lock cover plate 1.2, and the lock cover plate 1.2 and the lock box body 1.1 are fixedly installed through threaded connection of studs and the stud sleeves 34.

Example 7:

this embodiment is optimized based on embodiment 5 described above.

In order to facilitate the installation of four rotating columns 16 and lock sleeves 35, a pressure plate 36 is arranged in the lock box 1, the four rotating columns 16 are arranged between the lock box body 1.1 and the pressure plate 36, the lock sleeves 35 are arranged between the pressure plate 36 and the lock cover plate 1.2, the lock sleeves 35 can guide the key 11 to the gear 2, the key 11 is in butt joint with the gear 2, the lock hole 6 is arranged on the lock cover plate 1.2, and the lock hole 6, the lock sleeves 35 and the gear 2 are coaxially arranged.

Example 8:

this embodiment is optimized based on embodiment 1 described above.

In order to conveniently realize the elastic connection of the first sliding piece 3, the second sliding piece 4 and the third sliding piece 5 with the lock box 1, a first spring core 20, a second spring core 21 and a third spring core 22 are arranged in the lock box 1, the first spring core 20 is fixedly arranged at the position right opposite to the first sliding piece 3, the second spring core 21 is fixedly arranged at the position right opposite to the second sliding piece 4, and the third spring core 22 is fixedly arranged at the position right opposite to the third sliding piece 5; the first spring core 20 is in horizontal sliding fit with the first sliding piece 3, a first spring 23 is sleeved on the outer side of the first spring core 20, and two ends of the first spring 23 are respectively abutted to the inner side wall of the lock box 1 and the end part of the first sliding piece 3; the second spring core 21 is vertically matched with the second sliding sheet 4 in a sliding manner, a second spring 24 is sleeved on the outer side of the second spring core 21, and two ends of the second spring 24 are respectively abutted against the inner side wall of the lock box 1 and the end part of the second sliding sheet 4; the third spring core 22 is vertically matched with the third sliding piece 5 in a sliding manner, the outer side of the third spring core 22 is sleeved with a third spring 25, and two ends of the third spring 25 are respectively abutted to the inner side wall of the lock box 1 and the end part of the third sliding piece 5.

Example 9:

this embodiment is optimized based on embodiment 1 described above.

In order to improve the flexibility of locking the bolt 7, the bolt 7 is elastically connected with the first sliding sheet 3.

Example 10:

this embodiment is optimized based on embodiment 9 described above.

In order to conveniently realize the installation of spring bolt 7 and the elastic connection between spring bolt 7 and the first gleitbretter 3, spring bolt 7 fixedly connected with connecting rod 26, connecting rod 26 and the horizontal sliding fit of first gleitbretter 3, connecting rod 26 outside cover is equipped with fourth spring 27, the both ends of fourth spring 27 respectively with the inside wall of lock box 1 and the tip butt of first gleitbretter 3.

It should be noted that, in order to facilitate the installation of the locking tongue 7, the connecting rod 26 may be a screw rod, one end of the screw rod is in threaded connection with the locking tongue 7, and the other end of the screw rod is in horizontal sliding fit with the first sliding piece 3.

In order to simplify the structural design and facilitate the installation of the components, the first sliding piece 3 comprises a left connecting part 28 and a right connecting part 29 which extend upwards, the connecting rod 26 is in horizontal sliding fit with the left connecting part 28, and the first spring core 20 is in horizontal sliding fit with the right connecting part 29; the second sliding sheet 4 comprises an upper left connecting part 30 and a lower left connecting part 31 which extend upwards, the upper left connecting part 30 is vertically matched with the second spring core 21 in a sliding way, and the lower left connecting part 31 is fixedly connected with the lower lock rod 9; the third sliding piece 5 includes a right upper connecting portion 32 and a right lower connecting portion 33, the right upper connecting portion 32 is fixedly connected to the upper lock rod 10, and the right lower connecting portion 33 is vertically slidably engaged with the third spring core 22.

The working principle is as follows:

in the locking state, the first spring 23 drives the first sliding piece 3 to be in the locking position, so that the bolt 7 is in the extending state, and the locking of the side direction is realized; the second spring 24 drives the second sliding sheet 4 to be in a locking position, so that the lower locking rod 9 is in an extending state, and the locking in the lower direction is realized; the third spring 25 drives the third slide 5 to the locking position, so that the upper lock lever 10 is in the extended state, and the locking in the upper direction is achieved.

When the lock needs to be opened, the key core 11.2 extends into the gear 2 from the lock hole 6, the strip-shaped groove 13 is in butt joint with the protrusion 12, the key core 11.2 is in butt joint with the gear 2, then the key core 11.2 is rotated to drive the gear 2 to rotate clockwise, the first sliding piece 3 moves rightwards, the second sliding piece 4 moves upwards, the third sliding piece 5 moves downwards, the lock tongue 7 moves rightwards and returns, the lower lock rod 9 moves upwards and returns, and the upper lock rod 10 moves downwards and returns, so that the lock is opened.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a prepackage type transformer substation security door lock which characterized in that: the lock comprises a lock body, wherein the lock body comprises a lock box and a gear transmission mechanism arranged in the lock box, the gear transmission mechanism comprises a gear and a first sliding piece, a second sliding piece and a third sliding piece which are arranged around the gear, racks meshed with the gear are arranged on one sides of the first sliding piece, the second sliding piece and the third sliding piece facing the gear, the first sliding piece is horizontally connected with the lock box in a sliding manner, the second sliding piece is vertically connected with the lock box in a sliding manner, and a lock hole is formed in the position, right facing the gear, of the lock box;

a lock tongue is arranged at one end of the first sliding sheet, the lock tongue extends out of the lock box and is in horizontal sliding fit with the lock box, and the other end of the first sliding sheet is elastically connected with the inner side wall of the lock box;

the upper end of the second sliding sheet is elastically connected with the inner side wall of the lock box, the lower end of the second sliding sheet is provided with a lower lock rod, and the lower lock rod extends out of the lock box and is vertically matched with the lock box in a sliding manner;

the lower extreme of third gleitbretter and the inside wall elastic connection of lock box, the upper end of third gleitbretter is equipped with the locking lever, go up the locking lever and stretch out lock box and perpendicular sliding fit between the two.

2. The pre-assembled substation security door lock of claim 1, characterized in that: still include the key, the key stretches into keyhole drive gear and rotates, the inboard symmetry of gear is equipped with the arch, the arch radially extends towards the keyhole inboard, the key includes the key handle and sets up the key core on the key handle, be equipped with the bar groove along its length direction symmetry on the key core, the key core stretches into in the keyhole, the bar groove rotates with the protruding back key core drive gear that docks that corresponds.

3. The pre-assembled substation security door lock of claim 2, characterized in that: be equipped with the outside guide piece that corresponds with the arch in the lockhole, the tip that lies in the bar groove on the key core is equipped with the ring channel that communicates with the bar groove, the bar groove is earlier with outside guide piece butt joint back along with the key core continues to make bar groove and the protruding butt joint that corresponds towards gear shifting, and outside guide piece moves into in the ring channel from the bar groove simultaneously.

4. The pre-assembled substation security door lock of claim 1, characterized in that: be equipped with four rotation posts in the lock box, four line that rotate the post are the rectangle, be equipped with first bar hole, second bar hole and third bar hole on first gleitbretter, second gleitbretter and the third gleitbretter respectively, first bar hole and two rotation post sliding fit that are located the top, second bar hole and two rotation post sliding fit that are located the left, third bar hole and two rotation post sliding fit that are located the right side.

5. The pre-assembled substation security door lock of claim 1, characterized in that: the lock box comprises a lock box body and a lock cover plate fixedly installed on the lock box body.

6. The pre-assembled substation security door lock of claim 5, wherein: the lock box is characterized in that four stud sleeves are arranged on the lock box body and extend towards the lock cover plate, and the lock cover plate and the lock box body are fixedly installed through threaded connection of studs and the stud sleeves.

7. The pre-assembled substation security door lock of claim 5, wherein: the lock is characterized in that a pressing plate is arranged in the lock box, four rotating columns are arranged between the lock box body and the pressing plate, a lock sleeve is arranged between the pressing plate and the lock cover plate, the lock hole is formed in the lock cover plate, and the lock hole, the lock sleeve and the gear are coaxially arranged.

8. The pre-assembled substation security door lock of claim 1, characterized in that: a first spring core, a second spring core and a third spring core are arranged in the lock box, the first spring core is fixedly arranged at a position opposite to the first sliding piece, the second spring core is fixedly arranged at a position opposite to the second sliding piece, and the third spring core is fixedly arranged at a position opposite to the third sliding piece; the first spring core is in horizontal sliding fit with the first sliding sheet, a first spring is sleeved on the outer side of the first spring core, and two ends of the first spring are respectively abutted against the inner side wall of the lock box and the end part of the first sliding sheet; the second spring core is vertically matched with the second sliding sheet in a sliding manner, a second spring is sleeved on the outer side of the second spring core, and two ends of the second spring are respectively abutted against the inner side wall of the lock box and the end part of the second sliding sheet; the third spring core is in vertical sliding fit with the third sliding sheet, a third spring is sleeved on the outer side of the third spring core, and two ends of the third spring are respectively abutted to the inner side wall of the lock box and the end portion of the third sliding sheet.

9. The pre-assembled substation security door lock of claim 1, characterized in that: the bolt is elastically connected with the first sliding sheet.

10. The pre-assembled substation security door lock of claim 9, characterized in that: the spring bolt fixedly connected with connecting rod, connecting rod and the horizontal sliding fit of first gleitbretter, the connecting rod outside cover is equipped with the fourth spring, the both ends of fourth spring respectively with the inside wall of lock box and the tip butt of first gleitbretter.

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