CN218568758U

CN218568758U - Safety padlock device

Info

Publication number: CN218568758U
Application number: CN202222408785.9U
Authority: CN
Inventors: 金华斌; 王恒; 陆春杰
Original assignee: Suzhou Future Electrical Appliance Co ltd
Current assignee: Suzhou Future Electrical Appliance Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-03-03
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to a safe padlock device, install on circuit breaker handle motion path, including the padlock main part, set up the padlock spring in the padlock main part and set up the padlock lock core in the padlock main part, the padlock main part is including setting up the barrier part on circuit breaker handle motion path and upwards stretching out by the barrier part and forming the inside portion and having the chamber accommodate the portion, the padlock spring sets up in the chamber and runs through the barrier part and can stretch out from the barrier part both sides, the padlock lock core can make reciprocal up-and-down motion in the padlock main part, the padlock lock core compresses or releases the padlock spring; when the padlock spring extends out of two sides of the blocking part, the padlock spring is clamped into the circuit breaker. After adopting above-mentioned structure, can carry out the padlock operation under the divide-shut brake state, fix a position fast and fix through extrusion spring, and the cost is lower, can utilize repeatedly, but adaptation in most circuit breakers, application range is wider.

Description

Safety padlock device

Technical Field

The utility model belongs to the technical field of the circuit breaker technique and specifically relates to a safe padlock device for circuit breaker.

Background

Most of small circuit breakers in the existing market have no safety padlock structures, and when some circuits need to be maintained, the circuit breakers can be easily switched on after being broken, so that safety accidents can occur in some scenes; the structure of the safety padlock needs to be additionally provided with a modular accessory for the small circuit breakers, the circuit breakers are locked indirectly through locking handles of the accessory or pulling a tripping button, and the structure needs to be provided with one small circuit breaker and installed on the circuit breaker, so that the cost is greatly increased, and the small circuit breakers are inconvenient to disassemble and use.

Disclosure of Invention

The utility model aims to solve the technical scheme that a safe padlock device that can lock dead miniature circuit breaker fast and conveniently dismantle is provided.

The utility model provides a technical scheme that its technical problem adopted is: a safety padlock device is arranged on a motion path of a circuit breaker handle and comprises a padlock main body, a padlock spring arranged in the padlock main body and a padlock lock cylinder arranged on the padlock main body, wherein the padlock main body comprises a blocking part arranged on the motion path of the circuit breaker handle and an accommodating part which is upwards extended from the blocking part to form a cavity, the padlock spring is arranged in the cavity, penetrates through the blocking part and can be extended from two sides of the blocking part, the padlock lock cylinder can do reciprocating up-and-down motion on the padlock main body, and the padlock lock cylinder compresses or releases the padlock spring; when the padlock spring extends out of two sides of the blocking part, the padlock spring is clamped into the circuit breaker.

Further specifically, the padlock spring is formed by bending a spring steel, and comprises a first inclined rod, a second inclined rod, an arc-shaped connecting rod connected to the end portions of the first inclined rod and the second inclined rod, a first cross rod arranged at the other end portion of the first inclined rod, and a second cross rod arranged at the other end portion of the second inclined rod.

Further specifically, set up in first arch and second arch in the cavity form the arc wall between first arch and the second arch, the arc connecting rod card is established in the arc wall.

Further specifically, the padlock lock cylinder comprises a lock cylinder body, lock cylinder guide grooves arranged on two sides of the lock cylinder body, and a driving groove arranged on the lock cylinder body, wherein two side edges of the driving groove are used for driving the padlock spring to move, and a lock cylinder guide block is arranged at a part, close to an inner protrusion, of the lock cylinder guide groove; lock body guide grooves are formed in two sides of the cavity, and lock body guide blocks are arranged at positions, close to the outer protrusion, of the lock body guide grooves; the lock cylinder guide block is arranged in the lock body guide groove, and the lock body guide block is arranged in the lock cylinder guide groove.

More specifically, guide surfaces are arranged at positions, close to the circuit breaker, on two sides of the driving groove.

More specifically, the padlock body is provided with an upper limiting piece and a lower limiting piece which are used for limiting the movement distance of the padlock body.

More specifically, the upper limiting piece is arranged at the upper parts of the lock cylinder guide groove and the lock body guide block; the lower limiting piece is arranged at the lower part of the lock body guide groove.

Further specifically, go up the spacing piece including setting up the lock core stopper in the lock core guide way and setting up the lock body stopper on the lock body guide block.

Further specifically, be provided with first lockhole in the padlock main part be provided with the second lockhole on the padlock lock core, when first lockhole aligns with the second lockhole set up the padlock on first lockhole and the second lockhole.

More specifically, the blocking part is arc-shaped, one end of the blocking part is abutted against a handle of the circuit breaker, and the other end of the blocking part is abutted against a shell of the circuit breaker; the blocking part is provided with a positioning groove, and the first cross rod and the second cross rod are arranged in the positioning groove.

The beneficial effects of the utility model are that: after adopting above-mentioned structure, can carry out the padlock operation under the divide-shut brake state, fix a position fast and fix through extrusion spring, and the cost is lower, can utilize repeatedly, but adaptation in most circuit breakers, application range is wider.

Drawings

Fig. 1 is a schematic structural view of the present invention assembled with a circuit breaker;

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

FIG. 3 is a first schematic view of the padlock body and spring assembly of the present invention;

FIG. 4 is a second schematic view of the padlock body and spring assembly of the present invention;

FIG. 5 is a schematic view of the padlock spring according to the present invention;

fig. 6 is a schematic structural view of the padlock lock core of the present invention.

In the figure: 100. a circuit breaker; 200. a secure padlock device; 210. a padlock body; 220. a padlock spring; 230. a padlock cylinder; 240. a pushing handle; 250. a first lock hole; 260. a second lock hole; 211. an accommodating portion; 212. a blocking portion; 213. a chamber; 214. a first protrusion; 215. a second protrusion; 216. an arc-shaped slot; 217. a lock body guide groove; 218. a lock body guide block; 219. a lock body stopper; 2110. a lower retainer; 221. a first diagonal member; 222. a second diagonal member; 223. an arc-shaped connecting rod; 224. a first cross bar; 225. a second cross bar; 231. a lock cylinder body; 232. a lock cylinder guide groove; 233. a drive slot; 234. a guide surface; 235. a lock cylinder guide block; 236. lock core stopper.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, a safety padlock device 200 is installed on a movement path of a handle of a circuit breaker 100 to block the handle of the circuit breaker 100 from moving in an opening or closing direction, and the safety padlock device 200 is generally used for preventing a circuit from being opened and a handle of the circuit breaker 100 from being closed; the security padlock device 200 includes a padlock body 210, a padlock spring 220 disposed inside the padlock body 210, and a padlock cylinder 230 disposed on the padlock body 210, wherein the padlock cylinder 230 may slide on the padlock body 210, and simultaneously the padlock spring 220 is compressed or released by the padlock cylinder 230, and the end of the padlock spring 220 is extended to be able to be clamped into the circuit breaker 100.

The padlock main part 210 upwards stretches out the inside portion of holding 211 that has the cavity 213 that forms including setting up the blocking part 212 on the circuit breaker 100 handle motion route and by blocking part 212, padlock spring 220 sets up in cavity 213 and runs through blocking part 212 and can follow blocking part 212 both sides are stretched out, two tip of padlock spring 220 are followed when blocking part 212 both sides are stretched out, just can block into in the circuit breaker 100 for overall structure can not break away from circuit breaker 100, simultaneously the one end of blocking part 212 is supported on the circuit breaker 100 handle, and the other end supports on the casing of circuit breaker 100, thereby overall structure can not take place the rotation yet, thereby guarantees padlock main part 210 and lock core 230 and upwards fixes a position, guarantees its position.

The side surface of the chamber 213 in the padlock body 210 is open, and the padlock spring 220 is installed in the chamber 213 and covered at the open position through the padlock cylinder 230.

As shown in fig. 5, the padlock spring 220 is formed by bending a piece of spring steel, and includes a first slant bar 221, a second slant bar 222, an arc-shaped connecting bar 223 connected to the ends of the first slant bar 221 and the second slant bar 222, a first cross bar 224 disposed at the other end of the first slant bar 221, and a second cross bar 225 disposed at the other end of the second slant bar 222, wherein the padlock spring 220 is bilaterally symmetrical; the padlock core 230 moves downwards to press the first diagonal rod 221 and the second diagonal rod 222, so that the first diagonal rod 221 and the second diagonal rod 222 move towards each other, the first cross rod 224 and the second cross rod 225 are driven to move towards each other and retract, and at this time, the padlock body 210 can be separated from the circuit breaker 100; when the padlock cylinder 230 moves upward, the padlock cylinder 230 does not press the first diagonal rod 221 and the second diagonal rod 222, the first diagonal rod 221 and the second diagonal rod 222 move in opposite directions due to the elasticity, so that the first cross rod 224 and the second cross rod 225 move in opposite directions, and at this time, if the padlock body 210 is placed on the circuit breaker 100, the installation can be realized.

Meanwhile, as shown in fig. 3 and 4, in order to facilitate fixing and positioning of the padlock spring 220 in the cavity 213 of the accommodating portion 211, a first protrusion 214 and a second protrusion 215 are arranged in the cavity 213, an arc-shaped groove 216 is formed between the first protrusion 214 and the second protrusion 215, and the arc-shaped connecting rod 223 is clamped in the arc-shaped groove 216, and may be in a gap, transition or interference fit.

The padlock main body 210 and the padlock core 230 can be slidably connected through the guide slot and the guide block, so that the padlock core 230 slides on the padlock main body 210.

As an embodiment of the present invention, as shown in fig. 3, 4 and 6, the padlock cylinder 230 includes a cylinder body 231, cylinder guide slots 232 disposed on both sides of the cylinder body 231, and a driving slot 233 disposed on the cylinder body 231, where the driving slot 233 is located at a middle position of the cylinder body 231 and disposed at a side close to the padlock main body 210, the driving slot 233 moves downward, both side surfaces of the driving slot 233 respectively contact with the first diagonal rod 221 and the second diagonal rod 222, and when the lock continues to move downward, the two diagonal rods 221 and the second diagonal rod 222 are forced to move toward each other, and at the same time, in order to facilitate contact with the first diagonal rod 221 and the second diagonal rod 222, a guide surface 234 is disposed at a position close to the circuit breaker 100 below the driving slot 233, that is, the guide surfaces 234 are disposed on both side surfaces, and the two guide surfaces 234 make the bottom of the driving slot 233 in a bell mouth shape; the part of the lock cylinder guide groove 232 protruding inwards is a lock cylinder guide block 235; lock body guide grooves 217 are formed in two sides of the cavity 213, and lock body guide blocks 218 are arranged at positions, close to the outer protruding portions, of the lock body guide grooves 217; the lock cylinder guide block 235 is arranged in the lock body guide groove 217, and the lock body guide block 218 is arranged in the lock cylinder guide groove 232; through the arrangement of the two groups of guide grooves and the guide blocks, the padlock lock cylinder 230 can move more stably and smoothly.

In order to limit the stroke of the padlock cylinder 230, an upper limit piece and a lower limit piece 2110 for limiting the moving distance of the padlock cylinder 230 are arranged on the padlock main body 210, the lower limit piece 2110 is used for limiting the downward stroke of the padlock cylinder 230, and the upper limit piece is used for limiting the upward stroke of the padlock cylinder 230; the upper limiting member is arranged on the upper portions of the lock cylinder guide groove 232 and the lock body guide block 218, the upper limiting member comprises a lock cylinder limiting block 236 arranged in the lock cylinder guide groove 232 and a lock body limiting block 219 arranged on the lock body guide block 218, and the lock body limiting block 219 is positioned above the lock cylinder limiting block 236; the lower limit member 2110 is disposed at a lower portion of the lock body guide groove 217, and the lower limit member 2110 is a protrusion protruding from the lock body guide groove 217.

Further in order to conveniently carry out the padlock, be provided with first lockhole 250 on the padlock main part 210 be provided with second lockhole 260 on the padlock lock core 230, work as behind the padlock spring 220 of padlock lock core 230 upward movement release, first lockhole 250 aligns with second lockhole 260, can set up the padlock on first lockhole 250 and second lockhole 260 this moment, pins padlock lock core 230 makes it can not the downstream, guarantees that this safe padlock device 200 can not break away from circuit breaker 100 to circuit breaker 100 handle can not carry out the closing operation, guarantees the security.

In order to ensure the beautiful appearance and the fitting installation, the blocking part 212 is arc-shaped, the bottom of the blocking part 212 penetrates into the cavity 213, the padlock spring 220 can extend out of the bottom, and a plurality of reinforcing ribs are arranged in the blocking part 212 to increase the strength of the blocking part; the arc design enables the circuit breaker 100 to be more suitable for the movement position of the handle; the blocking portion 212 is provided with two positioning slots for positioning the first cross bar 224 and the second cross bar 225, respectively, wherein the first cross bar 224 corresponds to one positioning slot, and the second cross bar 225 corresponds to the other positioning slot.

Push handles 240 are arranged on the padlock body 210 and the padlock locking cylinder 230, and the padlock locking cylinder 230 is pushed to move up and down by the push handles 240.

In conclusion, by squeezing and releasing the padlock spring 220, the device can be installed on a movement path of a handle of the circuit breaker 100, and the effect of mechanically blocking the circuit breaker 100 from being switched on is achieved; meanwhile, the circuit breaker is convenient to mount and dismount, can be used on different circuit breakers 100, and is high in repeated utilization rate; compared with the prior art which needs one-to-one installation, the device does not need one-to-one installation, can realize one-to-many use, and greatly reduces the cost.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a safe padlock device, installs on circuit breaker (100) handle motion path, its characterized in that, including padlock main part (210), set up padlock spring (220) inside padlock main part (210) and set up padlock lock core (230) on padlock main part (210), padlock main part (210) are including setting up in circuit breaker (100) handle motion path stop part (212) and upwards stretching out by stop part (212) and forming inside and have chamber (213) holding part (211), padlock spring (220) set up in chamber (213) and run through stop part (212) and can stretch out from stop part (212) both sides, padlock lock core (230) can make reciprocal up-and-down motion on padlock main part (210), padlock lock core (230) compress or release padlock spring (220); when the padlock spring (220) extends from both sides of the blocking portion (212), the padlock spring (220) is snapped into the circuit breaker (100).

2. The security padlock device according to claim 1, wherein the padlock spring (220) is formed by bending a piece of spring steel, and comprises a first inclined bar (221), a second inclined bar (222), an arc-shaped connecting bar (223) connected to the ends of the first inclined bar (221) and the second inclined bar (222), a first cross bar (224) arranged at the other end of the first inclined bar (221), and a second cross bar (225) arranged at the other end of the second inclined bar (222).

3. A security padlock device according to claim 2, characterized in that a first projection (214) and a second projection (215) are provided in the chamber (213), an arc-shaped slot (216) being formed between the first projection (214) and the second projection (215), the arc-shaped connecting rod (223) being snapped into the arc-shaped slot (216).

4. The security padlock device according to claim 1, characterized in that the padlock cylinder (230) comprises a cylinder body (231), cylinder guide grooves (232) arranged on two sides of the cylinder body (231), and a driving groove (233) arranged on the cylinder body (231), wherein two sides of the driving groove (233) are used for driving the padlock spring (220) to move, and a cylinder guide block (235) is arranged at an inward protruding part of the cylinder guide groove (232); lock body guide grooves (217) are formed in two sides of the cavity (213), and lock body guide blocks (218) are arranged at positions, close to the outer protrusion, of the lock body guide grooves (217); the lock cylinder guide block (235) is arranged in the lock body guide groove (217), and the lock body guide block (218) is arranged in the lock cylinder guide groove (232).

5. A security padlock device according to claim 4, characterized in that guide surfaces (234) are provided on both sides of the driving slot (233) near the circuit breaker (100).

6. A security padlock device according to claim 4, characterized in that upper and lower stops (2110) are provided on the padlock body (210) for limiting the distance of movement of the padlock body (210).

7. The security padlock device according to claim 6, characterized in that the upper limit stop is arranged at the upper part of the lock cylinder guide slot (232) and the lock body guide block (218); the lower limit member (2110) is disposed at a lower portion of the lock body guide groove (217).

8. The security padlock device according to claim 7, wherein the upper limiting member comprises a cylinder stopper (236) disposed in a cylinder guide slot (232) and a lock body stopper (219) disposed on a lock body guide block (218).

9. The security padlock device according to claim 1, characterized in that a first locking hole (250) is provided on the padlock body (210), a second locking hole (260) is provided on the padlock cylinder (230), and a padlock is provided on the first locking hole (250) and the second locking hole (260) when the first locking hole (250) and the second locking hole (260) are aligned.

10. The security padlock device according to claim 2, characterized in that the blocking portion (212) is arc-shaped, with one end resting against the handle of the circuit breaker (100) and the other end resting against the casing of the circuit breaker (100); the blocking part (212) is provided with a positioning groove, and the first cross rod (224) and the second cross rod (225) are arranged in the positioning groove.