Locking structure and electric energy metering box thereof

Abstract

The utility model discloses a locking structure and an electric energy metering box thereof, relates to the technical field of electric energy metering boxes, and aims to solve the technical problems that a current traditional key lock is easy to re-engrave a key according to a lock hole, is easy to be pried open by an iron wire or other tools, and is insufficient in protection for the electric energy metering box, and comprises a locking mechanism and a key, the locking mechanism comprises a box door, a supporting plate is installed at the rear end of the box door, a limiting sliding groove is formed in the upper end of the supporting plate, a locking toothed plate is arranged in the limiting sliding groove in a sliding mode, a gear is rotationally installed at the position, located above the locking toothed plate, of the rear end of the box door, and communicated unlocking holes are formed in the box door and the gear. And the key is inserted into the unlocking hole. The electric energy metering box has the advantages that the electric energy metering box is provided with a special locking structure, an unlocking mode has certain concealment and complexity, the situation that the electric energy metering box is easily copied or unlocked through a simple tool like a traditional key is avoided, illegal unlocking behaviors are effectively prevented, and the safety of the electric energy metering box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy metering box more particularly, relate to a locking structure and electric energy metering box thereof. BACKGROUND

[0002] Electric energy metering box is the key facility in the electric power system, and is mainly used for accurate metering electric energy consumption. It is usually made of solid metal material, has good protection performance, can effectively resist external environmental factors interference, such as waterproof, dustproof, anticorrosion etc. Inside, metering and monitoring equipment such as electric energy meter and mutual inductor are contained, locking structure is arranged at the door, the reliability of equipment safety and metering data is guaranteed, accurate data support is provided for the fair electric energy transaction between electric power company and user, and it is the indispensable important device of electric power metering and management.

[0003] In order to prevent non-professionals from illegally operating intelligent electric meter, such as tampering with electric meter data, destroying electric meter communication line, etc. the door of the electric energy metering box is locked, and the door of the electric energy metering box is locked. At present, the door of the electric energy metering box is locked. The traditional key lock is usually used, and the traditional key lock is easy to copy the key according to the lock hole, and the traditional key lock is easy to be pried open by iron wire or other tools, and the protection of the electric energy metering box is insufficient. In view of this, we propose a locking structure and electric energy metering box. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient of prior art, adapting to the actual need, providing a locking structure and electric energy metering box, to solve the technical problem that the traditional key lock is easy to copy the key according to the lock hole, and the traditional key lock is easy to be pried open by iron wire or other tools, and the protection of the electric energy metering box is insufficient.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a locking structure and electric energy metering box, including locking mechanism and key, the locking mechanism includes door, the rear end of door is installed with support plate, the upper end of support plate is provided with limit sliding slot, the limit sliding slot is slidably provided with locking tooth plate, the rear end of door is rotatably installed above locking tooth plate with gear, the door and gear are provided with the intercommunication of unlocking hole, the key is inserted into the unlocking hole.

[0006] Preferably, the rear end of the door is provided with a mounting hole, the mounting hole is provided with two, the mounting hole is provided with a spring, the end of the spring is provided with a limiting piece, and the end of the limiting piece is provided with a spherical surface.

[0007] Preferably, the gear is provided with a limiting hole corresponding to the mounting hole, and the end of the limiting piece extends into the limiting hole.

[0008] Preferably, the key comprises a mounting rod, a rotating part is arranged at the starting end of the mounting rod, and a receiving slot is arranged at the end of the mounting rod.

[0009] Preferably, a lock opening rod is rotatably arranged in the receiving slot, symmetrically arranged extrusion pieces are arranged on the lock opening rod, the axis of rotation of the lock opening rod is different from the length of the two ends of the lock opening rod, and the short end of the lock opening rod is located in the receiving slot.

[0010] An electric energy metering box comprises a locking structure;

[0011] Further comprising a box body, the box door is rotatably arranged with the front end of the box body, and the locking hole is arranged in the box body.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a gear, a locking tooth plate structure is designed, the gear is elastically limited through a limiting piece, the locking tooth plate is locked in position through the gear, the unique lock cylinder design is cooperated with the lock opening rod and the extrusion piece, only when the lock opening rod is in the specific position and is accurately matched with the limiting hole, the limiting piece and the like, the lock opening operation can be realized, the difficulty of illegal lock opening is greatly increased, unauthorized personnel are prevented from opening the electric energy metering box arbitrarily, the safety of the metering equipment and the power system is guaranteed, and the current traditional key lock is easy to copy the key according to the lock hole, and the electric energy metering box is easily pried open with a wire or other tools, so that the problem of insufficient protection of the electric energy metering box is solved.

[0014] 2. The utility model also designs the lock opening rod structure, the lock opening rod is rotatable in the receiving slot and the length of the two ends is different, only when the lock opening rod is in the specific position and is accurately matched with other components, the lock opening can be realized, accidental lock opening caused by misoperation or external force impact is avoided, and the special design of the lock opening rod makes the lock opening mode have certain concealment and complexity, unlike the traditional key, so the lock opening mode is not easy to be copied or opened through simple tools, illegal lock opening behavior is effectively prevented, and the safety of the electric energy metering box is further improved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is a front view structural diagram of the utility model;

[0016] Figure 2 It is a box door opening structural diagram of the utility model;

[0017] Figure 3 It is a locking structure diagram of the utility model;

[0018] Figure 4 It is a partial exploded view of the utility model;

[0019] Figure 5The utility model discloses a gear and key structure schematic view.

[0020] Figure 6 The utility model discloses a key structure schematic view.

[0021] Figure 7 The utility model discloses a gear structure schematic view.

[0022] The number explanation in drawing: 101, box body, 102, locking hole, 200, locking mechanism, 201, box door, 202, unlocking hole, 203, support plate, 204, limit sliding slot, 205, locking tooth plate, 206, gear, 207, limit hole, 208, mounting hole, 209, spring, 210, limiting piece, 300, key, 301, mounting rod, 302, rotation part, 303, storage groove, 304, unlocking rod, 305, extrusion piece. Specific implementation

[0023] Example one

[0024] As Figures 3 to 7 The utility model discloses a locking structure, including locking mechanism 200 and key 300, locking mechanism 200 includes box door 201, and the rear end of box door 201 is installed with support plate 203, and the upper end of support plate 203 is provided with limit sliding slot 204, and locking tooth plate 205 is slidably arranged in limit sliding slot 204, and the rear end of box door 201 is rotatably installed above locking tooth plate 205 and is provided with gear 206, and the upper of box door 201 and gear 206 is provided with the intercommunication unlocking hole 202, and key 300 is inserted into unlocking hole 202. The utility model discloses special locking structure, makes unlocking mode and have certain concealment and complexity, unlike traditional key and be easy to copy or open through simple tool, effectively prevent illegal unlocking behavior, improve the security of electric energy metering box.

[0025] Specifically, the rear end of the box door 201 is provided with two mounting holes 208, a spring 209 is arranged in the mounting hole 208, the end of the spring 209 is provided with a limiting piece 210, and the end of the limiting piece 210 is provided with a spherical surface. The spring 209 can extrude the limiting piece 210, so that the limiting piece 210 can enter the limit hole 207 when reaching the position of the limit hole 207, and the spherical surface of the end of the limiting piece 210 can reduce the friction with the surface of the gear 206 when the limiting piece 210 is not located in the limit hole 207.

[0026] Further, the gear 206 is provided with a limit hole 207 corresponding to the mounting hole 208, and the end of the limiting piece 210 extends into the limit hole 207. Under the action of the spring 209, the limiting piece 210 can be inserted into the limit hole 207, so as to limit the gear 206 and prevent the gear 206 from rotating by itself.

[0027] It is worth mentioning that the key 300 comprises a mounting rod 301, the proximal end of the mounting rod 301 is provided with a rotating part 302, and the distal end of the mounting rod 301 is provided with a receiving groove 303. The rotating part 302 can facilitate the rotation of the key 300, and the receiving groove 303 can accommodate the unlocking rod 304.

[0028] It is worth mentioning that the unlocking rod 304 is rotatably installed in the receiving groove 303, the unlocking rod 304 is symmetrically provided with a pressing piece 305, the axis of rotation of the unlocking rod 304 is different from the length of the two ends of the unlocking rod 304, and the short end of the unlocking rod 304 is located in the receiving groove 303. The unlocking rod 304 can rotate in the receiving groove 303 and has different lengths at both ends, so that the unlocking rod 304 can rotate due to its own gravity when the key 300 rotates, thereby avoiding accidental unlocking caused by misoperation or external force impact. The special design of the unlocking rod 304 makes the unlocking mode have certain concealment and complexity, unlike traditional keys that are easy to be copied or opened by simple tools, thereby effectively preventing illegal unlocking behavior.

[0029] Embodiment two

[0030] As shown in Figures 1 to 2 The utility model relates to a kind of electric energy metering box, including a locking structure;

[0031] Further comprising a box body 101, the box door 201 is rotatably installed with the front end of the box body 101, and the box body 101 is provided with a locking hole 102. When the box door 201 is closed, the locking tooth plate 205 is inserted into the locking hole 102, so that the box door 201 can be locked, preventing the box door 201 from being opened. When the distal end of the locking tooth plate 205 is separated from the locking hole 102, the box door 201 can be opened.

[0032] Working principle: the embodiment provides a locking structure and electric energy metering box thereof, when using, the key 300 is inserted into the unlocking hole 202, when the unlocking rod 304 at the front of the key 300 is located in the box body 101, because the length of the two ends of the unlocking rod 304 is different (such as seesaw), the unlocking rod 304 will appear rotating into vertical state, thereby the position of the extrusion piece 305 corresponds the limiting hole 207, at this time, pulling the key 300 to the outside can make the extrusion piece 305 enter into the limiting hole 207, the extrusion piece 305 can extrude the limiting piece 210, make the limiting piece 210 separate from the limiting hole 207, at this time, rotating the key 300, under the action of the extrusion piece 305, the gear 206 can be rotated, the gear 206 can drive the locking tooth plate 205 to move left, the initial end of the locking tooth plate 205 can separate from the locking hole 102, then the box door 201 can be opened, when closing the box door 201, the locking tooth plate 205 is inserted into the locking hole 102, after the locking tooth plate 205 is inserted into the locking hole 102, the key 300 is extended inwardly to make the extrusion piece 305 separate from the limiting hole 207, the limiting piece 210 is re-entered into the limiting hole 207 under the action of the spring 209 and limits the gear 206, then the key 300 is pulled out.

[0033] The embodiment of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A locking structure, characterized in that, The device includes a locking mechanism (200) and a key (300). The locking mechanism (200) includes a door (201). A support plate (203) is installed at the rear end of the door (201). A limiting groove (204) is provided at the upper end of the support plate (203). A locking tooth plate (205) is slidably arranged in the limiting groove (204). A gear (206) is rotatably installed above the locking tooth plate (205) at the rear end of the door (201). A connecting unlocking hole (202) is opened on the door (201) and the gear (206). The key (300) is inserted into the unlocking hole (202).

2. The locking structure according to claim 1, characterized in that, The rear end of the door (201) is provided with a mounting hole (208). There are two mounting holes (208). A spring (209) is provided in the mounting hole (208). A limiting member (210) is installed at the end of the spring (209). The end of the limiting member (210) is spherical.

3. The locking structure according to claim 2, characterized in that, The gear (206) has a limiting hole (207) corresponding to the mounting hole (208), and the end of the limiting member (210) extends into the limiting hole (207).

4. The locking structure according to claim 3, characterized in that, The key (300) includes a mounting rod (301), the beginning of which is provided with a rotating part (302), and the end of which is provided with a storage groove (303).

5. A locking structure according to claim 4, characterized in that, An unlocking rod (304) is rotatably installed in the storage groove (303). An extrusion piece (305) is symmetrically installed on the unlocking rod (304). The lengths from the axis of rotation of the unlocking rod (304) to the two ends of the unlocking rod (304) are different. The shorter end of the unlocking rod (304) is located in the storage groove (303).

6. An electricity metering box, characterized in that, Includes a locking structure as described in any one of claims 1-5; It also includes a box body (101), the box door (201) is rotatably mounted on the front end of the box body (101), and a locking hole (102) is provided inside the box body (101).

Images