CN211201472U

CN211201472U - Anti-pick lock for electric meter box

Info

Publication number: CN211201472U
Application number: CN201920887639.4U
Authority: CN
Inventors: 吴天祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-08-07
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses an ammeter case pick-proof lock, the cam lock on second locking strip and second locking strip the right on first locking strip on the ammeter case chamber door, the box, the vertical setting of first locking strip and second locking strip just laminates each other, and together from the top down has a plurality of arc locked grooves above first locking strip and the second locking strip lateral wall, it is equipped with one-level lock hook pole and second grade lock hook pole to correspond the arc locked groove between first locking strip and the second locking strip, and one-level lock hook pole left end and second grade lock hook pole left end are the crotch structure and are located the arc locked groove, and one-level lock hook pole right-hand member and second grade lock hook pole right-hand member rotate and connect the second locking strip, be equipped with the gangbar between one-level lock hook pole and the second grade lock hook pole, be equipped with the cam locking piece on the cam lock, the cam locking piece rotates and connects the connecting rod. The utility model discloses a strength of chamber door is strengthened to the tool to lock, is difficult to be destroyed with the chamber door is crooked with the mode that the crowbar inserted chamber door and box joint close by the people.

Description

Anti-pick lock for electric meter box

Technical Field

The utility model relates to a tool to lock especially relates to an ammeter case pick-proof lock.

Background

The lock core and the lock tongue of the existing electric meter box door lock are simple and crude, the cooperation is not tight enough, the lock tongue easily falls off and becomes loose, the lock tongue especially used for firmly buckling the electric meter box body is a very thin iron sheet, the lock is easy to deform, fall off and be pried open, the reliability is poor and is seriously pried, the electric meter box door lock cannot be locked, the serious problems of electrical safety hidden troubles and life safety hidden troubles exist, and the phenomena of private connection, disorder and electricity stealing are caused. At patent number CN201410174236.7 discloses an ammeter case pick-proof lock, including setting firmly the lockhole outside ammeter case door, the locking plate in the ammeter case door is located to the pivoted, the lockhole is located the both sides that ammeter case chamber door corresponds with the locking plate, ammeter case pick-proof lock is still including can winding self axial rotation's pivot, set firmly in changeing epaxial hasp, set firmly in ammeter case box and can the complex by the spring bolt of hasp lock-in, fixed connection is worn to locate in the axle sleeve of ammeter case door in the pivot, it can be promoted and drive the pivot around its axial pivoted connecting piece to set firmly in the pivot, still be equipped with the elastic component of pivot that resets between pivot and the ammeter case chamber door, restriction pivot pivoted locating part, when ammeter case door is in and opens or the lock state, the hasp, the contained angle between connecting piece and the ammeter case door is between 0 degree to 90 degrees. The utility model discloses a disclosed ammeter case pick-proof lock simple structure, security are good, but this utility model can not strengthen the intensity of chamber door, and easy quilt inserts the mode of chamber door and box joint with the crooked destruction of chamber door with the crowbar, exposes the tool to lock of the inside, makes the tool to lock inefficacy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide an ammeter case pick-proof lock, strengthen the intensity of chamber door through the tool to lock, be difficult to moreover by the mode that the crowbar inserted chamber door and box joint with the chamber door crooked destruction.

The utility model provides a technical scheme that its technical problem adopted: an anti-prying lock for an electricity meter box comprises a first lock bar on a box door of the electricity meter box, a second lock bar on the box body and a turnbuckle lock on the right side of the second lock bar, wherein the first lock bar and the second lock bar are vertically arranged and mutually attached, a plurality of arc-shaped lock grooves are formed in the upper surfaces of the first lock bar and the side wall of the second lock bar from top to bottom together, a first-stage lock hook rod and a second-stage lock hook rod are arranged between the first lock bar and the second lock bar corresponding to the arc-shaped lock grooves, the left end of the first-stage lock hook rod and the left end of the second-stage lock hook rod are of a hook structure and are positioned in the arc-shaped lock grooves, the right end of the first-stage lock hook rod and the right end of the second-stage lock hook rod are rotatably connected with the second lock bar, a linkage rod is arranged between the first-stage lock hook rod and the second-stage lock hook rod, a parallel four-bar mechanism is formed between the linkage rod, the connecting rod is rotatably connected with the middle part of the first-level lock hook rod, and the first-level lock hook rod, the connecting rod, the rotary tongue locking plate and the box body form a parallel four-bar mechanism.

In order to further improve, be equipped with the intermediate layer on the panel about the box, be equipped with the pick-proof strip that can insert the slot seam of both sides about the chamber door in the intermediate layer, the pick-proof strip right part is through pivot connection box, is equipped with the spout on the intermediate layer left part inboard, is equipped with the sleeve pipe in the spout, sleeve pipe one end fixed connection pick-proof strip left part, sleeve pipe other end sliding connection gangbar, the upper and lower end of gangbar is located two upper and lower sleeve intraductals respectively.

Further perfection, the left end of the arc-shaped locking groove is positioned in the third quadrant, and the right end of the arc-shaped locking groove is positioned in the first quadrant.

Further perfected, the central angle of the arc-shaped locking groove is at least 120 degrees.

Further perfection, the quantity of one-level latch hook pole has at least one and is located the box lateral wall middle part, the quantity of second grade latch hook pole has at least two and distributes in one-level latch hook pole upper and lower both sides.

The utility model discloses profitable effect is: 1. the first locking strip is fixed on the box door, so that the strength of the box door is enhanced, and the box door is not easy to bend and damage by a pry bar inserted into the box door and the box body in a seaming manner; 2. a parallel four-bar mechanism is formed among the linkage rod, the first-stage locking hook rod, the second-stage locking hook rod and the second locking bar, so that the first-stage locking hook rod and the second-stage locking hook rod are linked to lock the second locking bar and the first locking bar, compared with the traditional single lock tongue locking, the anti-pulling capacity is greatly improved, and the safety performance is obviously improved; 3. the first-stage lock hook rod, the connecting rod, the rotary tongue locking plate and the box body form a parallel four-bar mechanism, so that the first-stage lock hook rod can be conveniently controlled to rotate by rotating the rotary tongue locking plate, and the force required by opening and closing the lock is reduced; 4. the left end of the arc-shaped locking groove is positioned in the third quadrant, the right end of the arc-shaped locking groove is positioned in the first quadrant, the central angle of the arc-shaped locking groove is at least 120 degrees, two dead points are generated, and the arc-shaped locking groove has certain anti-falling capacity, so that the first-stage locking hook rod and the second-stage locking hook rod are not easy to slip off by external force when being closed, the self-locking performance is good, the first-stage locking hook rod and the second-stage locking hook rod cannot recover under the action of gravity when; 5. the linkage rod is moved to drive the anti-prying strip to stretch and move in a mode that the upper end and the lower end of the linkage rod slide in the sleeve, so that the anti-prying strip can be inserted into the box door, a person can be effectively prevented from inserting a prying tool into the upper joint and the lower joint of the box door and the box body, and the safety of the electric meter box is improved.

Drawings

FIG. 1 is a schematic view of the structure of the locking state of the present invention;

FIG. 2 is a schematic view of the structure of the unlocking state of the present invention;

FIG. 3 is a schematic structural view of the case of the present invention;

FIG. 4 is a schematic view of the structure of the door of the present invention;

description of reference numerals: 1. the box door comprises a box door body, 2, a first locking strip, 3, a linkage rod, 4, a second locking strip, 5, a second-level locking hook rod, 6, an arc-shaped locking groove, 7, a sleeve, 8, a prying-resistant strip, 9, an interlayer, 10, a sliding groove, 11, a box body, 12, a connecting rod, 13, a rotating tongue lock, 14, a rotating tongue locking plate, 15, a first-level locking hook rod, 16, a rotating shaft, 17 and a slot opening.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the anti-prying lock for the electricity meter box comprises a first lock bar 2 on a box door 1 of the electricity meter box, a second lock bar 4 on a box body 11 and a rotating tongue lock 13 on the right side of the second lock bar 4, wherein the first lock bar 2 and the second lock bar 4 are vertically arranged and mutually attached, a plurality of arc-shaped lock grooves 6 are arranged on the upper surfaces of the side walls of the first lock bar 2 and the second lock bar 4 from top to bottom together, a first-stage lock hook rod 15 and a second-stage lock hook rod 5 are arranged between the first lock bar 2 and the second lock bar 4 corresponding to the arc-shaped lock grooves 6, the left end of the first-stage lock hook rod 15 and the left end of the second-stage lock hook rod 5 are of a hook structure and are positioned in the arc-shaped lock grooves 6, the right end of the first-stage lock hook rod 15 and the right end of the second-stage lock hook rod 5 are rotatably connected with the second lock bar 4, a linkage rod 3 is arranged between the first-stage lock hook rod 15 and the second-stage lock hook rod 5, and a parallel four-, the lock is characterized in that a rotating tongue locking plate 14 is arranged on the rotating tongue lock 13, the rotating tongue locking plate 14 is rotatably connected with the connecting rod 12, the connecting rod 12 is rotatably connected with the middle of a first-level locking hook rod 15, and the first-level locking hook rod 15, the connecting rod 12, the rotating tongue locking plate 14 and the box body 11 form a parallel four-bar mechanism.

The upper panel and the lower panel of the box body 11 are provided with interlayers 9, tamper-proof strips 8 capable of being inserted into slots 17 on the upper side and the lower side of the box door 1 are arranged in the interlayers 9, the right parts of the tamper-proof strips 8 are connected with the box body 11 through rotating shafts 16, the inner side of the left part of each interlayer 9 is provided with a sliding groove 10, a sleeve 7 is arranged in each sliding groove 10, one end of each sleeve 7 is fixedly connected with the left part of each tamper-proof strip 8, the other end of each sleeve 7 is connected with a linkage rod 3.

The left end of the arc-shaped locking groove 6 is positioned in the third quadrant, and the right end of the arc-shaped locking groove 6 is positioned in the first quadrant.

The central angle of the arc-shaped locking groove 6 is at least 120 degrees.

The number of the first-stage hook locking rods 15 is at least one and is located in the middle of the side wall of the box body 11, and the number of the second-stage hook locking rods 5 is at least two and is distributed on the upper side and the lower side of the first-stage hook locking rods 15.

The working principle is as follows: when the door is closed, a key is inserted into the rotating tongue lock 13, the rotating tongue lock plate 14 is rotated anticlockwise, the first-stage hook rod 15, the connecting rod 12, the rotating tongue lock plate 14 and the box body 11 form a parallel four-bar mechanism, the rotating tongue lock plate 14 controls the first-stage hook rod 15 to rotate, the linkage rod 3, the first-stage hook rod 15, the second-stage hook rod 5 and the second lock bar 4 form a parallel four-bar mechanism, the first-stage hook rod 15 rotates to generate linkage of the second-stage hook rod 5, the left ends of the first-stage hook rod 15 and the second-stage hook rod 5 slide from the right end to the left end of the arc-shaped lock groove 6 to lock the second lock bar 4 and the first lock bar 2, the side joint of the door 1 and the box body 11 is blocked, the upper end and the lower end of the linkage rod 3 slide in the sleeve 7 during the rotation of the first-stage hook rod 15, the anti-prying bar 8 is driven to move and be inserted into the door 1 to block the upper and, the rotary tongue locking piece 14 is rotated clockwise.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides an ammeter case pick-proof lock, includes first locking strip (2) on ammeter case chamber door (1), second locking strip (4) and the cam lock (13) on second locking strip (4) the right on box (11), characterized by: the first locking strip (2) and the second locking strip (4) are vertically arranged and mutually attached, a plurality of arc-shaped locking grooves (6) are arranged on the side walls of the first locking strip (2) and the second locking strip (4) from top to bottom together, a first-stage locking hook rod (15) and a second-stage locking hook rod (5) are arranged between the first locking strip (2) and the second locking strip (4) corresponding to the arc-shaped locking grooves (6), the left end of the first-stage locking hook rod (15) and the left end of the second-stage locking hook rod (5) are of a hook structure and are positioned in the arc-shaped locking grooves (6), the right end of the first-stage locking hook rod (15) and the right end of the second-stage locking hook rod (5) are rotatably connected with the second locking strip (4), a linkage rod (3) is arranged between the first-stage locking hook rod (15) and the second-stage locking hook rod (5), and parallel four-rod mechanisms are formed between the linkage rod (3), the first-stage locking hook rod (15), the second-stage locking hook, be equipped with tongue piece (14) on tongue piece lock (13), tongue piece (14) rotate and connect connecting rod (12), and connecting rod (12) rotate and connect one-level latch hook pole (15) middle part, one-level latch hook pole (15), connecting rod (12), tongue piece (14) and box (11) form parallel four-bar linkage.

2. An electric meter box pick-proof lock as claimed in claim 1, characterized in that: the anti-prying box is characterized in that an interlayer (9) is arranged on an upper panel and a lower panel of the box body (11), anti-prying strips (8) capable of being inserted into slots (17) in the upper side and the lower side of the box door (1) are arranged in the interlayer (9), the right parts of the anti-prying strips (8) are connected with the box body (11) through rotating shafts (16), a sliding groove (10) is formed in the inner side of the left part of the interlayer (9), a sleeve (7) is arranged in the sliding groove (10), one end of the sleeve (7) is fixedly connected with the left part of the anti-prying strips (8), the other end of the sleeve (.

3. An electric meter box pick-proof lock as claimed in claim 1, characterized in that: the left end of the arc-shaped locking groove (6) is located in the third quadrant, and the right end of the arc-shaped locking groove (6) is located in the first quadrant.

4. An electric meter box pick-proof lock as claimed in claim 3, characterized in that: the central angle of the arc-shaped locking groove (6) is at least 120 degrees.

5. An electric meter box pick-proof lock as claimed in claim 1, characterized in that: the number of the first-stage hook locking rods (15) is at least one, and the first-stage hook locking rods are located in the middle of the side wall of the box body (11), and the number of the second-stage hook locking rods (5) is at least two and distributed on the upper side and the lower side of the first-stage hook locking rods (15).