CN112065173A - Box transformer security door lock - Google Patents
Box transformer security door lock Download PDFInfo
- Publication number
- CN112065173A CN112065173A CN201910498633.2A CN201910498633A CN112065173A CN 112065173 A CN112065173 A CN 112065173A CN 201910498633 A CN201910498633 A CN 201910498633A CN 112065173 A CN112065173 A CN 112065173A
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- Prior art keywords
- lock
- hole
- sliding sheet
- shaped
- box
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
- E05B17/2003—Preventing opening by insertion of a tool, e.g. flexible, between door and jamb to withdraw the bolt
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/06—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/10—Actuating mechanisms for bars
- E05C9/12—Actuating mechanisms for bars with rack and pinion mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention provides a box transformer substation anti-theft door lock, wherein a lock cover plate is arranged on the front end surface of a lock box, the left end surface of the lock box is connected with a lock plate, and a lock tongue is arranged in the middle of the left end surface of the lock box; the lock box is internally provided with a fixed structure, a movable structure and a pressing plate from back to front in sequence, wherein the fixed structure comprises four stud sleeves and four fixed columns; the movable structure comprises a transmission gear and a sliding sheet, the transmission gear is positioned in the center of the interior of the lock box, and the rear end of the transmission gear is provided with a rotating shaft; the sliding sheet consists of a first sliding sheet, a second sliding sheet and a third sliding sheet, wherein a waist-shaped hole of the first sliding sheet is positioned on the outer rings of the two left fixed columns; the waist-shaped hole of the second sliding sheet is positioned on the outer rings of the two fixed columns at the right part; the third sliding sheet is positioned in front of the upper parts of the first sliding sheet and the second sliding sheet and positioned on the outer rings of the two upper fixed columns. The three-locking-point design of the invention is safe and stable, the door lock can not be opened even if the lock sleeve is manually damaged by the unique spring design, and the problems of easy manual damage and technical opening are solved.
Description
Technical Field
The invention belongs to the technical field of box transformer substations of power supply and distribution systems, and particularly relates to a box transformer substation anti-theft door lock.
Background
Present case becomes lock usually adopts embedded lock box to add the copper padlock to constitute, and embedded lock box is the plastics material, has the door handle to drive the flexible of locking lever through the revolving door handle in the lock box, and the locking lever is counterpointed with the hasp when extending the state, realizes locking the door through the copper padlock, has following technical defect: the existing door lock box is made of plastic materials and is easy to damage by people, and a copper padlock is easy to technically open, so that the anti-theft requirement of the existing power equipment is difficult to meet.
How to design a case becomes burglary-resisting door lock, how to design a lock structure that is difficult for people to destroy and technical opening, become the problem that needs to solve urgently.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a box transformer substation security door lock, which is used to solve the problems that the existing door lock box in the prior art is made of plastic material, is easy to be damaged manually, and is difficult to meet the security requirements of the existing power equipment due to the fact that a copper padlock is easy to be technically opened.
In order to achieve the purpose, the invention provides a box transformer security door lock, which comprises a key and a lock box, wherein the lock box is a box body with an opening on the front end surface, a lock cover plate is arranged on the front end surface of the lock box, the left end surface of the lock box is connected with a lock plate, a rectangular through hole is formed in the middle of the left end surface of the lock box and the middle of the lock plate, and a lock tongue is arranged in the rectangular through hole; the inside of the lock box is provided with a fixed structure, a movable structure and a pressing plate from back to front in sequence,
the fixing structure comprises four stud sleeves and four fixing columns, the four stud sleeves are positioned at four corners inside the lock box, and threaded through holes are formed in the stud sleeves; the four fixing columns are positioned in the center of the interior of the lock box and distributed on four intersection points of a square, the fixing columns are all of a three-section stepped shaft structure, the three-section stepped shaft is sequentially provided with a screw column section, a large end and a small end from front to back, the small end is riveted with the rear end face of the lock box, and the center of the end face of the screw column section is provided with a threaded counter bore;
the movable structure comprises a transmission gear and a sliding sheet, the transmission gear is positioned in the center of the interior of the lock box, the rear end of the transmission gear is provided with a rotating shaft, the rotating shaft is two sections of stepped shafts, and the small ends of the two sections of stepped shafts are movably connected with the rear end face of the lock box;
by adopting the technical scheme: the transmission gear can drive the rotating shaft to rotate freely;
the center of a square formed by the four fixing columns is superposed with the axis of the transmission gear;
the sliding sheet is of a U-shaped structure, the openings of the U-shaped structure face the front, a waist-shaped hole is formed in a bottom plate of the U-shaped structure, a rack is arranged in the middle of one side of the bottom plate of the U-shaped structure and meshed with the transmission gear, and first through holes are formed in the middle of two side plates of the U-shaped structure;
the sliding sheet consists of a first sliding sheet, a second sliding sheet and a third sliding sheet, wherein a waist-shaped hole of the first sliding sheet is positioned on the outer ring of the stud sections of the two left fixed columns; the waist-shaped hole of the second sliding sheet is positioned on the outer ring of the stud sections of the two right fixed columns; the third sliding sheet is positioned in front of the upper parts of the first sliding sheet and the second sliding sheet, and the waist-shaped hole of the third sliding sheet is positioned on the outer ring of the stud sections of the two upper fixed columns;
the first sliding piece is vertically arranged, a first spring core is arranged in a first through hole of an upper side plate of the first sliding piece, and a rack of a bottom plate of the first sliding piece is rightward and meshed with the transmission gear;
the second sliding sheet is vertically arranged, a third spring core is arranged in a first through hole of a lower side plate of the second sliding sheet, and a rack of a bottom plate of the second sliding sheet is leftwards and meshed with the transmission gear; the upper side plate of the second sliding sheet is higher than that of the first sliding sheet; by adopting the technical scheme: the second sliding sheet and the first sliding sheet are distributed in a staggered manner;
the third sliding sheet is arranged along the transverse direction, a second spring core is arranged in a first through hole of the right side plate, a spring screw is arranged in a first through hole of the left side plate of the third sliding sheet, and the other end of the spring screw is connected with the lock tongue; the rack of the third sliding sheet bottom plate is downward and meshed with the transmission gear;
by adopting the technical scheme: the lock tongue can lock the left point of the lock box;
first conical counter bores are formed in four corners of the pressing plate, first screws are arranged in the first conical counter bores, the four first conical counter bores correspond to the threaded counter bores of the four fixing columns one by one, and the four first screws penetrate through the pressing plate and are screwed with the threaded counter bores; a first special-shaped through hole is formed in the center of the pressing plate, and the first special-shaped through hole is composed of a circular through hole and two first lugs which are vertically and symmetrically arranged in the circular through hole; the front end of the center of the pressure plate is provided with a lock sleeve;
a second special-shaped through hole is formed in the center of the lock cover plate, the second special-shaped through hole is arranged corresponding to the first special-shaped through hole, and the second special-shaped through hole is composed of a circular through hole and two second lugs which are arranged in the circular through hole transversely and symmetrically;
the front end face of the transmission gear is provided with a special-shaped counter bore, the special-shaped counter bore is arranged corresponding to the first special-shaped through hole, and the special-shaped counter bore consists of a circular counter bore and two third lugs which are arranged in the circular counter bore transversely and symmetrically;
the first special-shaped through hole, the second special-shaped through hole and the special-shaped counter bore form an anti-theft lock hole structure;
by adopting the technical scheme: the anti-theft lock hole structure can prevent other tools such as a screwdriver from being opened by the design of the concave hole and the built-in convex point.
In an embodiment of the present invention, the four corners of the rear end surface of the lock box are provided with second through holes, the four second through holes correspond to the threaded through holes of the stud sleeves one by one, and the four second through holes are provided with second screws, and the second screws penetrate through the rear end surface of the lock box and are screwed with the threaded through holes.
In an embodiment of the invention, two upper fixing columns are disposed in the waist-shaped hole of the third sliding vane.
In an embodiment of the present invention, the outer ring of the first spring core is provided with a first compression spring;
by adopting the technical scheme: the first spring core forms a first lock rod through a compression spring, and the first lock rod can lock a point on the upper part inside the lock box.
In an embodiment of the invention, the outer ring of the second spring core is provided with a second compression spring.
In an embodiment of the present invention, the outer ring of the third spring core is provided with a third compression spring;
by adopting the technical scheme: the third spring core forms a second lock rod through a compression spring, and the second lock rod can lock a point below the inside of the lock box.
In an embodiment of the invention, the outer ring of the spring screw is provided with a fourth compression spring.
In an embodiment of the present invention, the key is a transverse T-shaped structure, the cross bar in the transverse T-shaped structure is a handle, the vertical bar is a three-section stepped shaft, the three-section stepped shaft is sequentially a first optical axis section, a second optical axis section and a third optical axis section from front to back, wherein an outer diameter of the first optical axis section is equal to an outer diameter of the third optical axis section, an outer diameter of the second optical axis section is smaller than an outer diameter of the third optical axis section, and two ends of a left end and a right end of the third optical axis section are provided with symmetrically arranged open slots;
by adopting the technical scheme: the open slot is matched with the anti-theft lock hole structure, the open slot can drive the transmission gear to rotate through the special-shaped counter bore of the transmission gear, and the transmission gear drives the sliding sheet to unlock.
In an embodiment of the present invention, the four corners of the lock cover plate are provided with second conical counter bores, the second conical counter bores are provided with third screws, the four second conical counter bores correspond to the threaded through holes of the four stud sleeves one by one, and the four third screws penetrate through the lock cover plate and are screwed with the threaded through holes.
As described above, the box transformer substation anti-theft door lock is reasonable in structure, safe and stable in three-locking-point design, and due to the unique spring design, the door lock cannot be opened even if the lock sleeve is damaged manually, so that the problems of easy manual damage and technical opening are solved, and the box transformer substation anti-theft door lock has good economic benefits and social benefits in popularization and application.
Drawings
Fig. 1 is a schematic view of the mounting structure of the present invention.
Fig. 2 is a schematic view of the installation structure of the stud sleeve and the fixing post in the lock box of the invention.
Fig. 3 is an exploded view of the interior of the lock case of the present invention.
Fig. 4 is a front view of the lock case internal mounting structure of the present invention.
FIG. 5 is a rear view of the platen of the present invention.
Fig. 6 is a schematic view of the anti-theft keyhole structure of the present invention.
Fig. 7 is a schematic view of the key structure of the present invention.
In the figure: 1. a key; 2. a lock cover plate; 3. a locking plate; 4. a lock case; 5. a stud sleeve; 6. a first spring core; 7. a first slip sheet; 8. a second slip sheet; 9. a third slip sheet; 10. a second spring core; 11. a third spring core; 12. a transmission gear; 13. fixing a column; 14. a spring screw; 15. a latch bolt; 16. and (7) pressing a plate.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 7. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1, the invention provides a box transformer substation security door lock, which comprises a key 1 and a lock box 4, wherein the lock box 4 is a rectangular box body with an opening on the front end surface, a lock cover plate 2 is arranged on the front end surface of the lock box 4, the left end surface of the lock box 4 is connected with a lock plate 3, a rectangular through hole is arranged in the middle of the left end surface of the lock box 4 and the middle of the lock plate 3, and a lock tongue 15 is arranged in the rectangular through hole;
as shown in fig. 3, the inside of the lock case 4 is provided with a fixed structure, a movable structure and a pressing plate 16 in sequence from back to front,
as shown in fig. 2, the fixing structure includes four stud sleeves 5 and four fixing posts 13, the four stud sleeves 5 are located at four corners inside the lock box 4, and threaded through holes are formed in the stud sleeves 5; the four fixing columns 13 are positioned in the center inside the lock box 4 and distributed on four intersection points of a square, the fixing columns 13 are all of a three-section stepped shaft structure, the three-section stepped shaft is sequentially provided with a screw column section, a large end and a small end from front to back, the small end is riveted with the rear end face of the lock box 4, and the center of the end face of the screw column section is provided with a threaded counter bore;
as shown in fig. 4, the movable structure includes a transmission gear 12 and a sliding piece, the transmission gear 12 is located in the center of the inside of the lock box 4, a rotating shaft is arranged at the rear end of the transmission gear 12, the rotating shaft is two stepped shafts, and the small ends of the two stepped shafts are movably connected with the rear end face of the lock box 4; by adopting the technical scheme: the transmission gear can drive the rotating shaft to rotate freely;
the center of a square formed by the four fixed columns 13 is superposed with the axis of the transmission gear 12;
the sliding sheet is of a U-shaped structure, the openings of the U-shaped structure face the front, a waist-shaped hole is formed in the bottom plate of the U-shaped structure, a rack is arranged in the middle of one side of the bottom plate of the U-shaped structure and meshed with the transmission gear 12, and first through holes are formed in the middle of two side plates of the U-shaped structure;
the sliding sheet consists of a first sliding sheet 7, a second sliding sheet 8 and a third sliding sheet 9, wherein a waist-shaped hole of the first sliding sheet 7 is positioned on the outer ring of the stud sections of the two left fixed columns 13; a waist-shaped hole of the second sliding sheet 8 is positioned at the outer ring of the stud sections of the two right fixed columns 13; the third sliding sheet 9 is positioned in front of the upper parts of the first sliding sheet 7 and the second sliding sheet 8, and the waist-shaped hole of the third sliding sheet 9 is positioned on the outer ring of the stud sections of the two upper fixed columns 13;
the first sliding sheet 7 is vertically arranged, a first spring core 6 is arranged in a first through hole of an upper side plate of the first sliding sheet 7, and a rack of a bottom plate of the first sliding sheet 7 is rightward and meshed with the transmission gear 12;
the second sliding piece 8 is vertically arranged, a third spring core 11 is arranged in a first through hole of a lower side plate of the second sliding piece 8, and a rack of a bottom plate of the second sliding piece 8 is leftwards and meshed with a transmission gear 12; the upper side plate of the second sliding sheet 8 is higher than that of the first sliding sheet 7; by adopting the technical scheme: the second sliding sheet and the first sliding sheet are distributed in a staggered manner;
the third sliding sheet 9 is transversely arranged, a second spring core 10 is arranged in a first through hole of the right side plate, a spring screw 14 is arranged in a first through hole of the left side plate of the third sliding sheet 9, and the other end of the spring screw 14 is connected with a bolt 15; the rack of the bottom plate of the third sliding sheet 9 is downward and meshed with the transmission gear 12; by adopting the technical scheme: the lock tongue can lock the left point of the lock box;
first conical counter bores are formed in four corners of the pressing plate 16, first screws are arranged in the first conical counter bores, the four first conical counter bores correspond to the threaded counter bores of the four fixing columns 13 one by one, and the four first screws penetrate through the pressing plate 16 and are screwed with the threaded counter bores;
as shown in fig. 5, a first special-shaped through hole is formed in the center of the pressing plate 16, and the first special-shaped through hole is composed of a circular through hole and two first protruding blocks which are vertically and symmetrically arranged in the circular through hole; the front end of the center of the pressure plate 16 is provided with a lock sleeve;
a second special-shaped through hole is formed in the center of the lock cover plate 2, the second special-shaped through hole is arranged corresponding to the first special-shaped through hole, and the second special-shaped through hole is composed of a circular through hole and two second lugs which are arranged in the circular through hole transversely and symmetrically;
a special-shaped counter bore is arranged on the front end face of the transmission gear 12, the special-shaped counter bore is arranged corresponding to the first special-shaped through hole, and the special-shaped counter bore is composed of a circular counter bore and two third lugs which are arranged in the circular counter bore transversely and symmetrically;
as shown in fig. 6, the second special-shaped through hole of the lock cover plate 2, the first special-shaped through hole of the pressure plate 16, and the special-shaped counter bore of the transmission gear 12 form an anti-theft lock hole structure; by adopting the technical scheme: the anti-theft lock hole structure can prevent other tools such as a screwdriver and the like from being opened by the design of the concave hole and the built-in convex point;
four corners of the rear end face of the lock box 4 are provided with second through holes, the four second through holes correspond to the threaded through holes of the stud sleeve 5 one by one, second screws are arranged in the four second through holes, and the second screws penetrate through the rear end face of the lock box 4 and are screwed with the threaded through holes;
two upper fixing columns 13 are arranged in the waist-shaped hole of the third sliding sheet 9;
a first compression spring is arranged on the outer ring of the first spring core 6; by adopting the technical scheme: the first spring core forms a first lock rod through a compression spring, and the first lock rod can lock an upper point inside the lock box;
a second compression spring is arranged on the outer ring of the second spring core 10;
a third compression spring is arranged on the outer ring of the third spring core 11; by adopting the technical scheme: the third spring core forms a second lock rod through a compression spring, and the second lock rod can lock a point below the inside of the lock box;
a fourth compression spring is arranged on the outer ring of the spring screw rod 14;
as shown in fig. 7, the key 1 is a transverse T-shaped structure, a cross bar in the transverse T-shaped structure is a handle, a vertical bar is a three-section stepped shaft, the three-section stepped shaft is sequentially a first optical shaft section, a second optical shaft section and a third optical shaft section from front to back, wherein the outer diameter of the first optical shaft section is equal to the outer diameter of the third optical shaft section, the outer diameter of the second optical shaft section is smaller than the outer diameter of the third optical shaft section, open slots are symmetrically arranged at two ends of the left end and the right end of the third optical shaft section, and the open slots are matched with the anti-theft lock hole structure; by adopting the technical scheme: the open slot is matched with the anti-theft lock hole structure, the open slot can drive the transmission gear to rotate through the special-shaped counter bore of the transmission gear, and the transmission gear drives the sliding sheet to unlock;
four corners of the lock cover plate 2 are provided with second conical counter bores, third screws are arranged in the second conical counter bores, the four second conical counter bores correspond to the thread through holes of the four stud sleeves 5 one by one, and the four third screws penetrate through the lock cover plate 2 to be screwed with the thread through holes.
When the anti-theft lock is implemented specifically, the anti-theft lock is arranged in a box transformer substation door, the lock sleeve is exposed, the other end of the sliding sheet is connected with the lock rod, two upper and lower points of the lock are locked through the lock rod, and three lock points are arranged on the left side of the lock through the lock tongue.
In conclusion, the box transformer substation anti-theft door lock is reasonable in structure, safe and stable in three-locking-point design, and the door lock cannot be opened even if the lock sleeve is manually damaged due to the unique spring design, so that the problems that the door lock is easily manually damaged and the door lock is technically opened are solved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a case becomes burglary-resisting door lock, includes key (1), lock box (4), its characterized in that: the lock box (4) is a box body with an opening on the front end face, a lock cover plate (2) is arranged on the front end face of the lock box (4), the left end face of the lock box (4) is connected with the lock plate (3), a rectangular through hole is formed in the middle of the left end face of the lock box (4) and the middle of the lock plate (3), and a lock tongue (15) is arranged in the rectangular through hole; the inside of the lock box (4) is provided with a fixed structure, a movable structure and a pressure plate (16) from back to front in sequence,
the fixing structure comprises four stud sleeves (5) and four fixing columns (13), the four stud sleeves (5) are positioned at four corners inside the lock box (4), and threaded through holes are formed in the stud sleeves (5); the four fixing columns (13) are positioned in the center of the interior of the lock box (4) and distributed on four intersection points of a square, the fixing columns (13) are all of a three-section stepped shaft structure, the three-section stepped shaft structure sequentially comprises a screw column section, a large end and a small end from front to back, the small end is riveted with the rear end face of the lock box (4), and a threaded counter bore is formed in the center of the end face of the screw column section;
the movable structure comprises a transmission gear (12) and a slip sheet, the transmission gear (12) is positioned in the center of the interior of the lock box (4), the rear end of the transmission gear (12) is provided with a rotating shaft, the rotating shaft is two sections of stepped shafts, and the small ends of the two sections of stepped shafts are movably connected with the rear end face of the lock box (4); the center of a square formed by the four fixing columns (13) is superposed with the axis of the transmission gear (12);
the sliding sheet is of a U-shaped structure, the openings of the U-shaped structure face the front, a waist-shaped hole is formed in a bottom plate of the U-shaped structure, a rack is arranged in the middle of one side of the bottom plate of the U-shaped structure and meshed with a transmission gear (12), and first through holes are formed in the middle of two side plates of the U-shaped structure;
the sliding sheet consists of a first sliding sheet (7), a second sliding sheet (8) and a third sliding sheet (9), wherein a waist-shaped hole of the first sliding sheet (7) is positioned on the outer ring of the stud sections of the two left fixed columns (13); a waist-shaped hole of the second sliding sheet (8) is positioned at the outer ring of the stud sections of the two right fixed columns (13); the third sliding sheet (9) is positioned in front of the upper parts of the first sliding sheet (7) and the second sliding sheet (8), and a waist-shaped hole of the third sliding sheet (9) is positioned on the outer ring of the stud sections of the two upper fixed columns (13);
the first sliding piece (7) is vertically arranged, a first spring core (6) is arranged in a first through hole of an upper side plate of the first sliding piece (7), and a rack of a bottom plate of the first sliding piece (7) is rightward and meshed with the transmission gear (12);
the second sliding piece (8) is vertically arranged, a third spring core (11) is arranged in a first through hole of a lower side plate of the second sliding piece (8), and a rack of a bottom plate of the second sliding piece (8) is leftwards and meshed with a transmission gear (12); the upper side plate of the second sliding sheet (8) is higher than that of the first sliding sheet (7);
the third sliding sheet (9) is transversely arranged, a second spring core (10) is arranged in a first through hole of the right side plate, a spring screw (14) is arranged in a first through hole of the left side plate of the third sliding sheet (9), and the other end of the spring screw (14) is connected with a bolt (15); the rack of the bottom plate of the third sliding sheet (9) is downward and meshed with the transmission gear (12);
first conical counter bores are formed in four corners of the pressing plate (16), first screws are arranged in the first conical counter bores, the four first conical counter bores correspond to the threaded counter bores of the four fixing columns (13) one by one, and the four first screws penetrate through the pressing plate (16) and are screwed with the threaded counter bores; a first special-shaped through hole is formed in the center of the pressing plate (16), and the first special-shaped through hole is composed of a circular through hole and two first lugs which are vertically and symmetrically arranged in the circular through hole; the front end of the center of the pressure plate (16) is provided with a lock sleeve;
a second special-shaped through hole is formed in the center of the lock cover plate (2), the second special-shaped through hole is arranged corresponding to the first special-shaped through hole, and the second special-shaped through hole is composed of a circular through hole and two second lugs which are arranged in the circular through hole transversely and symmetrically;
the front end face of the transmission gear (12) is provided with a special-shaped counter bore, the special-shaped counter bore is arranged corresponding to the first special-shaped through hole, and the special-shaped counter bore is composed of a circular counter bore and two third lugs which are arranged in the circular counter bore transversely and symmetrically;
the first special-shaped through hole, the second special-shaped through hole and the special-shaped counter bore form an anti-theft lock hole structure.
2. The box transformer substation security door lock according to claim 1, characterized in that: the four corners of the rear end face of the lock box (4) are provided with second through holes, the four second through holes correspond to the threaded through holes of the stud sleeves (5) one by one, second screws are arranged in the four second through holes, and the second screws penetrate through the rear end face of the lock box (4) and are screwed with the threaded through holes.
3. The box transformer substation security door lock according to claim 1, characterized in that: two upper fixing columns (13) are arranged in the waist-shaped hole of the third sliding sheet (9).
4. The box transformer substation security door lock according to claim 1, characterized in that: and a first compression spring is arranged on the outer ring of the first spring core (6).
5. The box transformer substation security door lock according to claim 1, characterized in that: and a second compression spring is arranged on the outer ring of the second spring core (10).
6. The box transformer substation security door lock according to claim 1, characterized in that: and a third compression spring is arranged on the outer ring of the third spring core (11).
7. The box transformer substation security door lock according to claim 1, characterized in that: and a fourth compression spring is arranged on the outer ring of the spring screw (14).
8. The box transformer substation security door lock according to claim 1, characterized in that: the key (1) is of a transverse T-shaped structure, a cross rod in the transverse T-shaped structure is a handle, a vertical rod is a three-section stepped shaft, the three-section stepped shaft is sequentially provided with a first optical shaft section, a second optical shaft section and a third optical shaft section from front to back, the outer diameter of the first optical shaft section is equal to that of the third optical shaft section, the outer diameter of the second optical shaft section is smaller than that of the third optical shaft section, open grooves which are symmetrically arranged are formed in the left end and the right end of the third optical shaft section, the open grooves are matched with the anti-theft lock hole structure, and the open grooves can drive the transmission gear (12) to rotate through a special-shaped counter bore of the transmission gear (12).
9. The box transformer substation security door lock according to claim 1, characterized in that: four corners of the lock cover plate (2) are provided with second conical counter bores, third screws are arranged in the second conical counter bores, the four second conical counter bores correspond to the thread through holes of the four stud sleeves (5) one by one, and the four third screws penetrate through the lock cover plate (2) to be screwed with the thread through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498633.2A CN112065173A (en) | 2019-06-10 | 2019-06-10 | Box transformer security door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498633.2A CN112065173A (en) | 2019-06-10 | 2019-06-10 | Box transformer security door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112065173A true CN112065173A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910498633.2A Pending CN112065173A (en) | 2019-06-10 | 2019-06-10 | Box transformer security door lock |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305468Y (en) * | 1997-06-03 | 1999-01-27 | 陈义军 | Anti-prizing door |
| CN2360547Y (en) * | 1998-12-07 | 2000-01-26 | 惠州市华日门业有限公司 | Gear type three-way automatic lock of anti-theft |
| CN201339367Y (en) * | 2008-12-01 | 2009-11-04 | 高培旺 | Burglar-proof door lock with fast unlocking and locking |
| CN104453487A (en) * | 2014-12-09 | 2015-03-25 | 上海琦天汽车科技有限公司 | Lateral overturning type bilateral locking device |
-
2019
- 2019-06-10 CN CN201910498633.2A patent/CN112065173A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305468Y (en) * | 1997-06-03 | 1999-01-27 | 陈义军 | Anti-prizing door |
| CN2360547Y (en) * | 1998-12-07 | 2000-01-26 | 惠州市华日门业有限公司 | Gear type three-way automatic lock of anti-theft |
| CN201339367Y (en) * | 2008-12-01 | 2009-11-04 | 高培旺 | Burglar-proof door lock with fast unlocking and locking |
| CN104453487A (en) * | 2014-12-09 | 2015-03-25 | 上海琦天汽车科技有限公司 | Lateral overturning type bilateral locking device |
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