CN116190167B

CN116190167B - Electric shock prevention structure and circuit breaker thereof

Info

Publication number: CN116190167B
Application number: CN202310483185.5A
Authority: CN
Inventors: 张兰晶; 黄镇允; 熊周督
Original assignee: Shenzhen Mailian Electronics Co ltd
Current assignee: Guangdong Mailian Intelligent Electrical Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-07-07
Anticipated expiration: 2043-05-04
Also published as: CN116190167A

Abstract

The invention relates to an electric shock prevention structure which is applied to a circuit breaker and comprises a shell, a push rod, a mounting piece and a locking assembly, wherein the shell is provided with a mounting hole and a locking hole, the push rod is provided with a mounting stop block and a locking stop block, the mounting piece is provided with a limiting block and a mounting block, the locking assembly is used for limiting the push rod, when the circuit breaker is electrified, the mounting stop block limits the limiting block so that the mounting block is in a state of protruding out of the shell through the mounting hole, when the circuit breaker is powered off, the mounting stop block is misplaced with the limiting block, so that the mounting block can be embedded into the shell through the mounting hole, the locking assembly protrudes out of or is embedded into the shell, so that the locking stop block is abutted with the locking block, and then the limiting push rod enables the circuit breaker to keep a power-off state. According to the invention, the installation stop block is matched with the installation piece, and the locking stop block is matched with the locking assembly, so that the safety and the operation convenience of the circuit breaker are improved.

Description

Electric shock prevention structure and circuit breaker thereof

Technical Field

The invention relates to an electric shock prevention structure and a circuit breaker adopting the same, and belongs to the technical field of circuit switches.

Background

The circuit breaker is used as a switching device, the on-off of a contact system is driven by an operating mechanism or a push rod handle, and when a circuit is connected or overhauled, a circuit is required to be disconnected firstly so as to carry out no-electricity operation. However, for the existing breaker on-off design, the risk of false electrification in the overhaul process exists, and the safety is low.

Meanwhile, the existing breaker installation design is divided into a fixed type and a plug-in type, the traditional breaker is generally fixed type, the breaker is fixed in a case of the distributor by adopting an elastic piece clamping card, and a screwdriver is needed for taking down the breaker, so that the operation is very convenient. The circuit breaker adopting the plug-in mode can be disassembled and assembled in the chassis of the distributor through simple plug-in operation, so that the plug-in circuit breaker, in particular the intelligent plug-in circuit breaker, is widely applied to 5G and various digital scenes. However, in the conventional plug-in circuit breaker, during the process of plugging into or unplugging from a chassis, or during line maintenance when installed on the chassis, the plug-in circuit breaker is easily separated from the chassis in a live state due to local manual or remote control misoperation of a mobile phone and a cloud platform, so that the stability of the plug-in circuit breaker is low, personal safety hazards of operators exist, and equipment damage is easily caused.

Disclosure of Invention

The invention provides an electric shock prevention structure, which aims at solving at least one of the technical problems existing in the prior art. Therefore, the invention provides an electric shock prevention structure, which improves the safety and the operation convenience of the circuit breaker by matching the mounting stop block with the mounting piece and matching the locking stop block with the locking assembly.

The technical scheme of the invention relates to a linkage type electric shock prevention structure, which is applied to a circuit breaker and comprises the following components:

the shell is provided with a mounting hole and a locking hole, and the mounting hole and the locking hole are arranged on the same side of the shell; the push rod is provided with a mounting stop block and a locking stop block, and the mounting stop block and the locking stop block are arranged on one side of the push rod facing the mounting hole; one end of the push rod is exposed out of the shell, and the other end of the push rod is connected with a contact system of the circuit breaker, wherein the push rod stretches into or moves out of the shell so as to electrify or cut off the circuit breaker; the mounting piece is arranged in the shell and is provided with a limiting block and a mounting block, and the mounting block is arranged on one side of the mounting piece, which faces the mounting hole; the mounting block is movably arranged in the mounting hole in a penetrating manner; the locking assembly is arranged in the shell and comprises a pushing block, a locking block, a first linkage piece and a second linkage piece; the pushing block and the locking block are arranged on two opposite sides of the locking assembly; the pushing block is movably arranged in the locking hole in a penetrating way; the first linkage piece is in linkage connection with the second linkage piece so as to enable the pushing block to be in linkage connection with the locking block; when the circuit breaker is in an electrified state, the mounting stop block limits the limiting block, so that the mounting block is in a state of protruding out of the shell through the mounting hole; when the circuit breaker is in a power-off state, the mounting stop block and the limiting block are dislocated, so that the mounting block can be embedded into the shell through the mounting hole; the pushing block protrudes out of or is embedded into the shell through the locking hole, so that the locking block is limited to the locking stop block under the linkage action of the first linkage piece and the second linkage piece, and the circuit breaker is in a power-off state.

Further, it is characterized in that: the device also comprises a reset torsion spring, wherein one end of the reset torsion spring is connected with the mounting piece; the other end of the reset torsion spring is connected with the first linkage piece or the shell, so that the mounting block is in a state protruding out of the shell.

Further, the device further comprises an auxiliary spring, one end of the auxiliary spring is connected with the first linkage member, and the other end of the auxiliary spring is connected with the second linkage member, so that the pushing block is in a state of protruding or being embedded into the shell.

Further, the shell is provided with a rotating shaft and an abutting block; the locking block is arranged at one end of the first linkage piece and is arranged at one side of the first linkage piece, which is opposite to the locking hole; the pushing block is arranged on one side, facing the locking hole, of the upper side of the second linkage piece and on one side, far away from the locking block, of the first linkage piece; the pushing block and the second linkage piece form a linkage groove; one end, far away from the locking block, of the first linkage piece is arranged in the linkage groove in a sliding way; one side of the second linkage piece, which is far away from the locking block, is connected with the abutting block.

Further, the first linkage piece is provided with a first auxiliary block, the second linkage piece is provided with a second auxiliary block, the first auxiliary block and the second auxiliary block are respectively connected with two ends of the auxiliary spring, and one side, deviating from the auxiliary spring, of the second auxiliary block is abutted to the abutting block.

Further, the abutment block is provided with a locking abutment surface and an unlocking abutment surface; the locking abutting surface is arranged on one side of the unlocking abutting surface, which is close to the locking block, and is arranged on one side of the unlocking abutting surface, which is close to the locking hole.

Further, the locking assembly further comprises a linkage torsion spring; the shell is provided with a rotating shaft; one end of the first linkage piece is rotatably sleeved on the rotating shaft; the pushing block and the locking block are respectively arranged at two opposite sides of one end of the first linkage piece, which is away from the rotating shaft; the first linkage piece is provided with a linkage shaft at one end deviating from the rotating shaft, and the second linkage piece is rotatably sleeved on the linkage shaft; one end of the linkage torsion spring is clamped with the mounting block, and the other end of the linkage torsion spring can be abutted with one end of the second linkage member away from the rotating shaft.

Further, a locking stress surface and an unlocking stress surface are arranged on one side, away from the linkage torsion spring, of the second linkage piece, and the locking stress surface and the unlocking stress surface form an obtuse angle; when the auxiliary spring is abutted with the locking stress surface, the locking block is abutted with the locking stop block; when the auxiliary spring is abutted with the unlocking stress surface, the locking block is dislocated with the locking stop block.

Further, the push rod is provided with a closing stop block; the closing stop block is arranged on one side of the push rod, which faces the locking hole; when the circuit breaker is in an electrified state, the closing stop block is abutted with the locking block so that the pushing block is in a state of protruding out of the shell; when the circuit breaker is in a power-off state, the closing stop block is dislocated from the locking block, so that the pushing block can be embedded into the shell.

Another aspect of the present invention relates to a circuit breaker, comprising: the linkage type electric shock preventing structure of the embodiment.

Another aspect of the present invention relates to a clamping type electric shock preventing structure, which is applied to a circuit breaker, and comprises: the shell is provided with a mounting hole and a locking hole, and the mounting hole and the locking hole are arranged on the same side of the shell; the push rod is provided with a mounting stop block and a locking stop block, and the mounting stop block and the locking stop block are arranged on one side of the push rod facing the mounting hole; one end of the push rod is exposed out of the shell, and the other end of the push rod is connected with a contact system of the circuit breaker, wherein the push rod stretches into or moves out of the shell so as to electrify or cut off the circuit breaker; the mounting piece is arranged in the shell and is provided with a limiting block and a mounting block, and the mounting block is arranged on one side of the mounting piece, which faces the mounting hole; the mounting block is movably arranged in the mounting hole in a penetrating manner; when the circuit breaker is in an electrified state, the mounting stop block limits the limiting block, so that the mounting block is in a state of protruding out of the shell through the mounting hole; when the circuit breaker is in a power-off state, the mounting stop block and the limiting block are dislocated, so that the mounting block can be embedded into the shell through the mounting hole; the locking assembly is arranged in the shell and comprises a pushing block, a locking block, a connecting piece and a clamping block; the pushing block and the locking block are arranged on two opposite sides of the connecting piece; the clamping block is movably clamped with the shell or the mounting piece, and the shell or the mounting piece is provided with a locking clamping position and an unlocking clamping position; the pushing block is movably arranged in the locking hole in a penetrating manner, so that the clamping block is switched and connected between the locking clamping position and the unlocking clamping position; when the clamping block is positioned at the locking clamping position, the locking block limits the locking stop block so as to enable the circuit breaker to be in a power-off state; when the clamping block is positioned at the unlocking clamping position, the locking block is dislocated with the locking stop block, so that the push rod can extend into or move out of the shell.

Further, the device further comprises an auxiliary torsion spring, one end of the auxiliary torsion spring is connected with the connecting piece, and the other end of the auxiliary torsion spring is connected with the shell.

Further, the shell is provided with a rotating shaft; the middle part of the connecting piece is rotatably sleeved on the rotating shaft; the locking block is arranged at one end of the connecting piece; the pushing block is arranged at one end of the connecting piece, which is far away from the locking block; the clamping block is arranged on one side, close to the pushing block, of the connecting piece.

Further, a first clamping block is arranged on one side, close to the pushing block, of the mounting piece; the locking clamping position is arranged on one side, close to the locking hole, of the clamping block, and the unlocking clamping position is arranged on one side, far away from the locking hole, of the first clamping block.

Further, the mounting piece is close to one end of the first clamping block and is fixedly connected with the shell, the mounting block is arranged at one end, far away from the first clamping block, of the mounting piece, and the limiting block is arranged at one side, far away from the mounting block, of the mounting piece.

Further, the shell is provided with a rotating shaft; one end of the connecting piece is rotatably sleeved on the rotating shaft; the pushing block and the locking block are arranged in the middle of the connecting piece; the clamping block is arranged on one side, away from the rotating shaft, of the connecting piece.

Further, the shell is provided with a buckling groove, the locking clamping position is arranged on one side, far away from the locking hole, of the buckling groove, and the unlocking clamping position is arranged on one side, close to the locking hole, of the buckling groove.

Further, the shell is provided with a second clamping block, the second clamping block comprises a circular ring and a concave block, and the opening of the concave block faces to one side far away from the locking hole; the concave block is arranged in the circular ring to form the clamping groove.

Further, the mounting block and the limiting block are arranged at the same end of the mounting piece, and one end, far away from the mounting block, of the mounting piece is rotatably sleeved on the rotating shaft; one end of the mounting piece, which is far away from the rotating shaft, is provided with a reset block, and the reset block can be abutted with the push rod so that the mounting block is in a state of protruding out of the mounting hole.

Another aspect of the present invention relates to a circuit breaker, comprising: the clamping type electric shock preventing structure of the embodiment.

Another aspect of the present invention relates to a displacement type anti-electric shock structure, applied to a circuit breaker, comprising: the shell is provided with a mounting hole and a locking hole, and the mounting hole and the locking hole are arranged on the same side of the shell; the push rod is provided with a mounting stop block and a locking part, and the mounting stop block and the locking part are arranged on one side of the push rod facing the mounting hole; one end of the push rod is exposed out of the shell, and the other end of the push rod is connected with a contact system of the circuit breaker, wherein the push rod stretches into or moves out of the shell so as to electrify or cut off the circuit breaker; the mounting piece is arranged in the shell and is provided with a limiting block and a mounting block, and the mounting block is arranged on one side of the mounting piece, which faces the mounting hole; the mounting block is movably arranged in the mounting hole in a penetrating manner; when the circuit breaker is in an electrified state, the mounting stop block limits the limiting block, so that the mounting block is in a state of protruding out of the shell through the mounting hole; when the circuit breaker is in a power-off state, the mounting stop block and the limiting block are dislocated, so that the mounting block can be embedded into the shell through the mounting hole; the locking assembly is arranged in the shell and comprises a pushing block, a locking block, a connecting piece, a first positioning block and a second positioning block; the pushing block protrudes out of the shell through the locking hole; the first positioning block is connected with the connecting piece, the second positioning block is connected with the shell, the first positioning block and the second positioning block are movably connected, the connecting position of the first positioning block and the second positioning block comprises a locking position and an unlocking position, and the first positioning block and the second positioning block are switched and connected between the locking position and the unlocking position through the pushing block; when the circuit breaker is in the locking position, the locking block limits the locking part so as to enable the circuit breaker to be in a power-off state; when in the unlocking position, the locking block is dislocated with the locking part, so that the push rod can extend into or move out of the shell.

Further, the device also comprises a reset torsion spring, one end of the reset torsion spring is connected with the mounting piece, and the other end of the reset torsion spring is connected with the shell.

Further, the shell is provided with a rotating shaft; the second positioning block is rotatably sleeved on the rotating shaft; the locking block is arranged on the second positioning block; the pushing block can move along the extending-in and moving-out direction of the push rod, so that the second positioning block is rotated by the first positioning block, and the locking block is abutted or misplaced with the locking part.

Further, the locking portion includes a locking groove.

Further, the first positioning block is meshed with the second positioning block.

Further, the second positioning block comprises two rotating blocks, an included angle is formed by the two rotating blocks, and the opening of the included angle faces the first positioning block.

Further, the shell is provided with a rotating shaft, and the mounting piece and the connecting piece are both rotatably sleeved on the rotating shaft; the mounting piece and the connecting piece are integrally arranged, the mounting block and the pushing block are integrally arranged, and the mounting hole and the locking hole are integrally arranged; the limiting block and the first positioning block are integrally arranged.

Further, the pushing block is arranged on the connecting piece and movably penetrates through the locking hole; the pushing block moves along the direction perpendicular to the extending-in and moving-out direction of the push rod, so that the locking block is abutted or misplaced with the locking part by switching the abutting positions of the first positioning block and the second positioning block.

Further, a first sliding surface is arranged on one side, facing the second positioning block, of the first positioning block; the first sliding surface is obliquely arranged and extends towards the second positioning block in a direction away from the locking hole; a second sliding surface matched with the first sliding surface is arranged on one side, facing the first positioning block, of the second positioning block; the locking position and the unlocking position are arranged on two opposite sides of the second sliding surface.

Another aspect of the present invention relates to a circuit breaker, comprising: the displacement type electric shock preventing structure of the embodiment.

The beneficial effects of the invention are as follows.

According to the linkage type electric shock prevention structure and the circuit breaker thereof, the mounting stop block/the mounting groove is matched with the mounting piece, so that plug-in type mounting and electrifying fixed mounting are realized, the mounting and the dismounting are convenient, the safety and the stability of the circuit breaker are improved, meanwhile, the locking stop block is matched with the locking assembly, the power-off locking push rod is realized, the false electrifying during maintenance is prevented, and the operation safety of personnel is improved. Adopt coordinated type protection against electric shock structure, through the linkage setting of first linkage piece and second linkage piece to realize the linkage through assisting the spring, can improve the convenience of locking and unblock push rod operation, the interact between locking subassembly, installed part and the casing realizes circular telegram fixed mounting and outage locking push rod, and its flexible operation is convenient, simple structure is with low costs. Adopt screens formula protection against electric shock structure, the installed part is realized resetting through self elasticity and is connected, can simplify overall structure, and locking assembly adopts the joint mode to lock, can improve structural reliability, and then improves the operational safety, and the interact between locking assembly, installed part and the casing realizes circular telegram fixed mounting and outage locking push rod, and its flexible operation is convenient, simple structure is with low costs. The displacement type electric shock prevention structure is adopted, the locking component is locked in a displacement mode, the overall structure can be simplified, the misoperation probability can be reduced, the operation safety is further improved, the interaction among the locking component, the mounting piece and the shell is realized, the power-on fixed mounting and the power-off locking push rod are realized, the operation is flexible and convenient, and the structure is simple and low in cost.

Drawings

Fig. 1 is a front view schematically showing a power-off locked state of a ganged type electric shock preventing structure according to a first embodiment of the present invention.

Fig. 2 is a front view schematically showing an electrified and unlocked state of the ganged-type electric shock preventing structure according to the first embodiment of the present invention.

Fig. 3 is a schematic structural view of a housing of a ganged type anti-electric shock structure according to a first embodiment of the present invention.

Fig. 4 is a schematic structural view of a push rod of a linkage type anti-electric shock structure according to a first embodiment of the present invention.

Fig. 5 is a schematic installation view of a locking assembly of a ganged type anti-electric shock structure according to a first embodiment of the present invention.

Fig. 6 is a front schematic view of a mounting member of a ganged type electric shock preventing structure according to a first embodiment of the present invention.

Fig. 7 is a schematic plan view of a mounting member of a ganged type electric shock preventing structure according to a first embodiment of the present invention.

Fig. 8 is an exploded view of a linkage structure of a locking assembly of a linkage type electric shock preventing structure according to a first embodiment of the present invention.

Fig. 9 is a linkage assembly diagram of a locking assembly of a linkage type electric shock preventing structure according to a first embodiment of the present invention.

Fig. 10 is an exploded view of a linkage structure of the abutment block of the linkage type electric shock preventing structure according to the first embodiment of the present invention.

Fig. 11 is a front view schematically showing an electrified and unlocked state of the ganged-type electric shock preventing structure according to the second embodiment of the present invention.

Fig. 12 is a front view schematically showing a power-off locked state of the ganged-type anti-shock structure according to the second embodiment of the present invention.

Fig. 13 is a schematic structural view of a housing of a ganged type anti-electric shock structure according to a second embodiment of the present invention.

Fig. 14 is a schematic structural view of a push rod of a linkage type anti-electric shock structure according to a second embodiment of the present invention.

Fig. 15 is an installation schematic of a locking assembly of a ganged anti-shock structure according to a second embodiment of the present invention.

Fig. 16 is a schematic rear view of a mounting member of a ganged type electric shock preventing structure according to a second embodiment of the present invention.

Fig. 17 is a schematic view showing a locking state of a locking assembly of the ganged type anti-shock structure according to the second embodiment of the present invention.

Fig. 18 is a schematic view showing an unlocked state of a locking assembly of the ganged-type anti-electric shock structure according to the second embodiment of the present invention.

Fig. 19 is a front view schematically showing a power-off locked state of the card-type anti-electric shock structure according to the third embodiment of the present invention.

Fig. 20 is a front view schematically showing an electrified unlocked state of the detent-type electric shock preventing structure according to the third embodiment of the present invention.

Fig. 21 is a schematic structural view of a housing of a click-type electric shock protection structure according to a third embodiment of the present invention.

Fig. 22 is a schematic structural view of a push rod of a click-type anti-electric shock structure according to a third embodiment of the present invention.

Fig. 23 is an installation schematic view of a locking assembly of a click-type electric shock preventing structure according to a third embodiment of the present invention.

Fig. 24 is a schematic front view of a connector of a snap-in type anti-electric shock structure according to a third embodiment of the present invention.

Fig. 25 is a schematic plan view of a mounting member of a click-type electric shock preventing structure according to a third embodiment of the present invention.

Fig. 26 is a front view schematically showing a power-off locked state of a card-type anti-electric shock structure according to a fourth embodiment of the present invention.

Fig. 27 is a front view schematically showing an electrified unlocked state of a click-type electric shock preventing structure according to a fourth embodiment of the present invention.

Fig. 28 is a schematic structural view of a housing of a clamping type electric shock protection structure according to a fourth embodiment of the present invention.

Fig. 29 is a schematic structural view of a push rod of a click-type electric shock preventing structure according to a fourth embodiment of the present invention.

Fig. 30 is an installation schematic of a locking assembly of a click-type electric shock preventing structure according to a fourth embodiment of the present invention.

Fig. 31 is a schematic structural view of a connector of a clamping type electric shock preventing structure according to a fourth embodiment of the present invention.

Fig. 32 is a schematic structural view of a second clamping block of the clamping type electric shock protection structure according to the fourth embodiment of the present invention.

Fig. 33 is a structural cross-sectional view of a second clamping block of the clamping type electric shock preventing structure according to the fourth embodiment of the present invention.

Fig. 34 is a front view schematically showing a power-off locked state of the displacement type shock protection structure according to the fifth embodiment of the present invention.

Fig. 35 is a front view schematically showing an electrified unlocked state of the displacement type electric shock preventing structure according to the fifth embodiment of the present invention.

Fig. 36 is a schematic structural view of a housing of a displacement type shock protection structure according to a fifth embodiment of the present invention.

Fig. 37 is a schematic structural view of a push rod of a displacement type shock protection structure according to a fifth embodiment of the present invention.

Fig. 38 is a schematic plan view of a mount of a displacement type shock protection structure according to a fifth embodiment of the present invention.

Fig. 39 is a schematic view showing the installation of a locking assembly of a displacement type shock protection structure according to a fifth embodiment of the present invention.

Fig. 40 is a first structural schematic diagram of a first positioning block of a displacement type shock protection structure according to a fifth embodiment of the present invention.

Fig. 41 is a first structural schematic view of a second positioning block of the displacement type shock protection structure according to the fifth embodiment of the present invention.

Fig. 42 is a second structural schematic diagram of a first positioning block of a displacement type shock protection structure according to a fifth embodiment of the present invention.

Fig. 43 is a second structural schematic view of a second positioning block of the displacement type shock protection structure according to the fifth embodiment of the present invention.

Fig. 44 is a front structural view showing a power-off locked state of a displacement type shock preventing structure according to a sixth embodiment of the present invention.

Fig. 45 is a plan view showing a power-off locked state of a displacement type shock preventing structure according to a sixth embodiment of the present invention.

Fig. 46 is a front view schematically showing an electrified unlocked state of the displacement type electric shock preventing structure according to the sixth embodiment of the present invention.

Fig. 47 is a schematic plan view showing an energization unlocked state of a displacement type electric shock preventing structure according to a sixth embodiment of the present invention.

Fig. 48 is a schematic structural view of a housing of a displacement type shock protection structure according to a sixth embodiment of the present invention.

Fig. 49 is a schematic structural view of a push rod of a displacement type shock protection structure according to a sixth embodiment of the present invention.

Fig. 50 is a top view block diagram of a locking assembly and mounting of a displacement type shock protection structure according to a sixth embodiment of the present invention.

Fig. 51 is a bottom view of a locking assembly and mounting member of a displacement type shock protection structure according to a sixth embodiment of the present invention.

Fig. 52 is a schematic structural view of a second positioning block of the displacement type shock protection structure according to the sixth embodiment of the present invention.

Reference numerals: 100. a housing; 110. a mounting hole; 120. a locking hole; 130. a rotating shaft; 140. an abutment block; 141. locking the abutment surface; 142. unlocking the abutting surface; 150. a second clamping block; 151. a buckle groove; 152. a circular ring; 153. a concave block; 200. a push rod; 210. installing a stop block; 220. a locking stop; 221. a locking part; 222. a locking groove; 230. a closing stop block; 300. a mounting member; 310. a limiting block; 320. a mounting block; 330. a reset torsion spring; reset concave hole 331; reset groove 332; 340. a reset groove; 350. clamping blocks; 360. a first clamping block; 370. a reset block; 400. a locking assembly; 410. a pushing block; 420. a locking block; 430. a first linkage member; 431. a first auxiliary block; 432. a linkage shaft; 440. a second linkage member; 441. a linkage groove; 442. a second auxiliary block; 443. locking the stress surface; 444. unlocking the stress surface; 445. an auxiliary spring; 446. a linkage torsion spring; 450. a connecting piece; 460. a clamping block; 470. assisting a torsion spring; 471. the concave holes are assisted; 472. a stop block is assisted; 480. a first positioning block; 481. a first sliding surface; 490. a second positioning block; 491. a rotating block; 492. a second sliding surface; 500. a contact system.

Detailed Description

The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present invention. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. The description of the upper, lower, left, right, etc. used in the present invention is merely with respect to the mutual positional relationship of the constituent elements of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element, without departing from the scope of the present disclosure.

Referring to fig. 1 to 18, the ganged type electric shock preventing structure according to an aspect of the present invention includes a housing 100, a push rod 200, a mounting 300, and a locking assembly 400.

Referring to fig. 3 and 13, the housing 100 is provided with a mounting hole 110 and a locking hole 120, and the mounting hole 110 and the locking hole 120 are provided at the same side of the housing 100. The upper side of the push rod 200 is provided with a mounting stopper 210 and a locking stopper 220, and the mounting stopper 210 and the locking stopper 220 are both provided at a side of the push rod 200 facing the mounting hole 110. One end of the push rod 200 is exposed to the housing 100, and the other end of the push rod 200 is connected to the contact system 500 of the circuit breaker, wherein the push rod 200 is extended into or removed from the housing 100 to connect or disconnect the circuit breaker.

Specifically, the mounting member 300 is disposed in the housing 100, the mounting member 300 is provided with a stopper 310 and a mounting block 320, the mounting block 320 is disposed on a side of the mounting member 300 facing away from the mounting block 210, and the mounting block 320 is movably disposed through the mounting hole 110. When the mounting block 320 protrudes from the case 100 through the mounting hole 110, the mounting block 320 is connected with the cabinet, thereby achieving the installation of the circuit breaker. When the mounting block 320 is inserted into the housing 100 through the mounting hole 110, the mounting block 320 is separated from the cabinet, thereby accomplishing the disassembly of the mounting block 320.

Referring to fig. 5 and 15, the locking assembly 400 is disposed in the housing 100, the locking assembly 400 includes a pushing block 410, a locking block 420, a first linkage member 430 and a second linkage member 440, the pushing block 410 and the locking block 420 are disposed on opposite sides of the locking assembly 400, the pushing block 410 movably penetrates through the locking hole 120, and the first linkage member 430 is in linkage connection with the second linkage member 440.

Referring to fig. 2 and 11, when the circuit breaker is in an energized state, the mounting block 210 abuts against the stopper 310 such that the mounting block 320 protrudes out of the case 100 through the mounting hole 110, and the mounting block 320 is connected with the case. And the mounting block 320 cannot move toward the inside of the housing 100 under the limit action of the mounting block 210, thereby being beneficial to ensuring that the mounting block 320 is stably connected with the case when the power is applied. When the circuit breaker is in a power-off state, the mounting block 210 and the limiting block 310 are dislocated, so that the mounting block 320 can be embedded into the mounting hole 110, and the mounting block 320 is embedded into the housing 100 under the action of external force, so that the circuit breaker is separated from the chassis, and the circuit breaker is convenient to detach.

Referring to fig. 1 and 12, when the circuit breaker is in a power-off state, the push block 410 protrudes or is inserted into the housing 100 through the locking hole 120, so that the locking block 420 limits the locking stopper 220 under the linkage action of the first and

second links

430 and 440, thereby limiting the push rod 200 to extend into the housing 100, and the circuit breaker maintains the power-off state. Under the limiting action of the locking stop block 220, the push rod 200 cannot extend into the shell 100, so that the push block 410 can be protruded/embedded into the shell 100 through external force during maintenance, limiting locking is performed on the push rod 200, and the risk of power-on maintenance caused by misoperation is avoided. After the maintenance is completed, the pushing block 410 is moved in the opposite direction by the external force, so that the locking block 420 and the locking stop block 220 are dislocated, and the push rod 200 can be freely electrified and de-electrified.

In one embodiment, referring to fig. 4 and 14, the push rod 200 is in the shape of an elongated bar, one end of the push rod 200 is exposed to the housing 100, and the other end is engaged with a gear of the contact system 500. By applying a pushing force to the exposed end of the push rod 200, the push rod 200 extends into the housing 100, so that the contact system 500 can be driven to move and then be powered on, and correspondingly, a pulling force in the opposite direction is applied to the exposed end of the push rod 200, so that the push rod 200 moves out of the housing 100, so that the contact system 500 can be driven to move and then be powered off.

Specifically, referring to fig. 4 and 14, the lower side of the push rod 200 is provided with a right-angle-like snap-in portion, the opening of which faces the left end of the push rod 200, and correspondingly, referring to fig. 1 and 11, the inside of the housing 100 is provided with a right-angle-like snap-in portion that matches the snap-in portion. When the push rod 200 moves out of the housing 100, the buckling part is abutted with the clamping part, and when the push rod 200 moves into the housing 100, the buckling part is separated from the clamping part.

The upper side of the housing 100 is provided with a mounting hole 110 for coupling the mounting 300 with the case, and a locking hole 120 for locking the push rod 200 by the locking assembly 400 to maintain the power-off state, and both the mounting hole 110 and the locking hole 120 are provided at the upper side of the housing 100. The upper side of the push rod 200 is provided with a mounting block 210 and a locking block 220, when the push rod 200 is extended to the right into the housing 100 for power on, the mounting block 210 moves along with the push rod 200 to the right inside the housing 100, the upper side of the mounting block 210 is positioned below the lower side of the limiting block 310, and in some embodiments, the upper side of the mounting block 210 abuts against the lower side of the limiting block 310, so as to limit the mounting block 320. When the push rod 200 moves out of the housing 100 to the left and is powered off, the mounting block 210 moves along with the push rod 200 to the left side of the housing 100, and the mounting block 210 is separated from the limiting block 310 and is located at the side edge of the limiting block 310, so that the mounting block 210 and the limiting block 310 are misplaced, and the up-and-down movement of the mounting block 320 is not limited by the mounting block 210.

In an embodiment, the housing 100 is provided with a rotating shaft 130, the mounting member 300 is rotatably sleeved on the rotating shaft 130, and the mounting member 300 rotates around the rotating shaft 130, so that the mounting block 320 is embedded in or protrudes from the housing 100. Further, the mounting block 320 and the stopper 310 are both disposed at the right end of the mounting member 300, the mounting block 320 is disposed at the upper side of the mounting member 300, and the stopper 310 is disposed at the lower side of the mounting member 300. When the mounting block 210 is in the energized state, the mounting member 300 cannot rotate around the rotating shaft 130 under the limiting action of the mounting block 210, and the mounting block 320 cannot retract into the housing 100. Referring to fig. 1 and 12, when in the power-off state, the mounting block 210 is at the left side of the stopper, and the mounting block 210 is dislocated from the stopper 310, so that the up-down movement of the mounting block 320 is not limited by the mounting block 210, and the mounting block 320 may be retracted into the housing 100, so that the circuit breaker may be separated from the chassis.

In one embodiment, the rotating shaft 130 is sleeved with a reset torsion spring 330. Referring to fig. 7 and 16, a reset groove 340 is provided at the lower side of the mounting member 300, one end of the reset torsion spring 330 is abutted with the groove wall of the reset groove 340, and the other end of the reset torsion spring 330 is abutted with the locking assembly 400 or the housing 100, so that an upward elastic force is applied to the mounting member 300 by the reset torsion spring 330, so that the mounting block 320 protrudes from the housing 100, and the mounting block 320 can be mounted in the cabinet. When the external force is applied to press the mounting block 320, the mounting block 320 may be restored by the restoring torsion spring 330 to protrude from the housing 100 again when the external force is removed. In some embodiments of the present invention, referring to fig. 8, an abutment groove is provided at the lower side of the middle portion of the first link 430, and one end of the return torsion spring 330 abuts against the wall of the abutment groove.

In an application embodiment, referring to fig. 1, 6 and 7, the mounting block 320 is disposed on the upper side of the mounting member 300, the limiting block 310 is square plate-shaped and horizontally disposed, the limiting block 310 is disposed on a side of the mounting block 320 and on a side of the mounting member 300 facing away from the locking assembly 400, the mounting block 210 is trapezoidal plate-shaped and vertically disposed, and the mounting block 210 is disposed on a side of the mounting member 300 facing away from the locking assembly 400. When in the energized state, the stop block 310 is above the mounting block 210.

In an application embodiment, referring to fig. 5, the locking assembly 400 is disposed in the housing 100, the first linkage member 430 is disposed between the mounting member 300 and the second linkage member 440, the middle portion of the first linkage member 430 is rotatably sleeved on the rotating shaft 130 of the housing 100, the locking block 420 and the pushing block 410 are respectively disposed at two ends of the first linkage member 430, and the movement directions of the locking block 420 and the pushing block 410 are opposite. Specifically, the locking block 420 is disposed at the lower right end side of the first link 430, and when an external force is applied to the push block 410 to move upward to protrude from the housing 100, referring to fig. 1, the locking block 420 moves downward to abut against the locking stopper 220, and the locking block 420 is positioned at the right side of the locking stopper 220, so that the push rod 200 cannot be inserted rightward. Referring to fig. 2, when an external force is applied to the push block 410 to move it downward to be embedded in the housing 100, the locking block 420 moves upward to be disengaged from the locking stopper 220, and the locking block 420 is positioned above the locking stopper 220, so that the push rod 200 can freely extend into or move out of the housing 100.

In some embodiments, referring to fig. 8 and 9, the locking block 420 is disposed at the lower side of the first linkage member 430, the pushing block 410 and the second linkage member 440 form a linkage groove 441, and the left end of the first linkage member 430 is embedded into the linkage groove 441, so that an external force is applied to the pushing block 410, so that when the pushing block 410 moves, the second linkage member 440 moves along the first linkage member 430, thereby changing the distance between the second linkage member 440 and the rotating shaft 130, so that the left end of the first linkage member 430 moves up and down, and further drives the right end of the first linkage member 430 to move up and down, thereby locking and unlocking the push rod 200.

In some specific embodiments, referring to fig. 8 and 9, a side of the first link 430 facing away from the mounting 300 is provided with a first auxiliary block 431, a side of the second link 440 facing away from the mounting 300 is provided with a second auxiliary block 442, the first auxiliary block 431 and the second auxiliary block 442 are respectively connected with two ends of the auxiliary spring 445, and a side of the second auxiliary block 442 facing away from the auxiliary spring 445 is abutted with the abutment block 140 of the housing 100, so that the auxiliary spring 445 applies an elastic force to the second link 440 toward the abutment block 140, so that the second link 440 is abutted against the abutment block 140, and the auxiliary spring 445 and the abutment block 140 interact to position the second link 440, which is beneficial for keeping the push block 410 in a state of protruding or embedding the housing 100.

In some embodiments, referring to fig. 5 and 10, the abutment block 140 of the housing 100 is provided with a locking abutment surface 141 and an unlocking abutment surface 142, the locking abutment surface 141 being provided on a side of the unlocking abutment surface 142 close to the locking block 420 and on a side of the unlocking abutment surface 142 close to the locking hole 120, i.e. the locking abutment surface 141 is provided above the right side of the unlocking abutment surface 142. Further, the unlocking abutment surface 142 is provided as an arcuate surface.

Specifically, when the push rod 200 is unlocked, that is, when the push block 410 is inserted into the housing 100 and the second link 440 is abutted against the unlocking abutment surface 142, the push block 410 is protruded out of the housing 100, or when the external force is simultaneously applied upward and rightward, the second link 440 slides rightward and is separated from the unlocking abutment surface 142, the distance between the second link 440 and the rotation shaft 130 is shortened, the left end of the first link 430 moves upward, the locking block 420 moves downward, and when the second link 440 is abutted against the locking abutment surface 141, the push block 410 protrudes out of the housing 100, and the locking block 420 locks the push rod 200. When a downward force is applied to the pushing block 410, the second linkage member 440 moves downward, and when the second linkage member 440 is separated from the locking abutment surface 141, the second linkage member 440 abuts against the unlocking abutment surface 142 under the action of the auxiliary spring 445, the pushing block 410 is embedded into the housing 100, and the pushing block 410 is kept embedded into the housing 100 under the action of the auxiliary spring 445, so that the push rod 200 is unlocked, and the push rod 200 can be freely powered on and off.

In an application embodiment, referring to fig. 15, the locking assembly 400 is disposed in the housing 100, the first linkage member 430 is disposed between the mounting member 300 and the second linkage member 440, the left end of the first linkage member 430 is rotatably sleeved on the rotating shaft 130 of the housing 100, the locking block 420 and the pushing block 410 are both disposed at the right end of the first linkage member 430, and the locking block 420 and the pushing block 410 are disposed at the lower side and the upper side of the first linkage member 430, respectively. Specifically, referring to fig. 12, when the circuit breaker is in the power-off state, an external force is applied to the push block 410 to move it downward, so that the first link 430 rotates about the rotation shaft 130, and the locking block 420 is driven to move downward, the locking block 420 abuts against the locking stopper 220, and the locking block 420 is positioned at the right side of the locking stopper 220, thereby locking the push rod 200. Referring to fig. 11, when it is required to unlock the push rod 200, an external force is applied to the push block 410 to move it upward, so that the first link member 430 rotates around the rotation shaft 130 and drives the locking block 420 to move upward, the locking block 420 is separated from the locking block 220, and the locking block 420 is located at the upper side of the locking block 220, thereby unlocking the push rod 200 and pushing the housing 100 to be freely extended or removed.

In some embodiments, referring to fig. 17 and 18, a coupling shaft 432 is disposed on a side of the first linkage member 430 facing away from the mounting member 300, the coupling shaft 432 is disposed at a right end of the first linkage member 430, an axis of the coupling shaft 432 is horizontally disposed, and one end of the second linkage member 440 is rotatably sleeved on the coupling shaft 432, so that the first linkage member 430 is coupled with the second linkage member 440. Further, the lower side of one end of the second linkage member 440 away from the rotating shaft 130 may abut against one end of the linkage torsion spring 446, and the other end of the linkage torsion spring 446 is clamped against the mounting block 320. When in the power-off state, the push block 410 may be pressed down to lock the push rod 200, and the second linkage 440 may be abutted with the linkage torsion spring 446. When the push rod 200 needs to be unlocked, the mounting block 320 can be pressed down, so that the mounting block 320 drives one end of the linkage torsion spring 446 to move downwards, the other end of the linkage torsion spring 446 applies upward elastic force to the second linkage member 440, the second linkage member 440 enables the first linkage member 430 to rotate around the main shaft through the linkage shaft 432, the first linkage member 430 drives the pushing block 410 and the locking block 420 to move upwards, the locking block 420 is separated from the locking stop 220, and the push rod 200 can freely extend into or move out of the housing 100.

Further, referring to fig. 17 and 18, two clamping blocks 350 are disposed on a side of the mounting block 320 facing the second linkage member 440, the two clamping blocks 350 are disposed at one end of the mounting hole 110 far away from the rotation shaft 130, the two clamping blocks 350 are disposed up and down and form a clamping groove, and one end of the linkage torsion spring 446 is disposed in the clamping groove in a penetrating manner. The two clamping blocks 350 clamp the linkage torsion spring 446 such that the linkage torsion spring 446 is fixedly connected with the mount 300.

In some embodiments, one end of the auxiliary spring 445 abuts the housing 100 and the other end of the auxiliary spring 445 abuts the second linkage 440 such that the second linkage 440 abuts or disengages the linkage torsion spring 446. Further, a locking force-bearing surface 443 and an unlocking force-bearing surface 444 are arranged on one side, away from the linkage torsion spring 446, of the second linkage member 440, the locking force-bearing surface 443 and the unlocking force-bearing surface 444 form an obtuse angle, an obtuse opening faces away from the auxiliary spring 445, and the locking force-bearing surface 443 is arranged above the illustration force-bearing surface.

Referring to fig. 17, when in the power-off state, an external force is applied to press the push block 410, the first linkage member 430 drives the right end of the second linkage member 440 to move downward through the linkage shaft 432, the auxiliary spring 445 abuts against the locking force surface 443, so that the auxiliary spring 445 applies an inclined downward elastic force to the second linkage member 440, so that the push block 410 is in a state of being embedded into the housing 100, the locking block 420 abuts against the locking stop 220, so that the push rod 200 cannot extend rightward, and the second linkage member 440 abuts against the linkage torsion spring 446. Referring to fig. 18, when it is necessary to unlock the push rod 200, an external force is applied to press the mounting block 320, so that the right end of the second linkage member 440 moves upward under the action of the auxiliary spring 445, and the left end of the second linkage member 440 moves downward, so that the auxiliary spring 445 abuts against the unlocking force-receiving surface 444, the auxiliary spring 445 applies an oblique upward elastic force to the second linkage member 440, so that the push block 410 is in a state protruding out of the housing 100, the locking block 420 is separated from the locking stopper 220, the push rod 200 can freely extend into or out of the housing 100, and the second linkage member 440 is separated from the linkage torsion spring 446.

Specifically, when in the state of unlocking the push rod 200, i.e., when the push block 410 protrudes out of the housing 100 and the assist spring 445 abuts against the unlocking force receiving surface 444, the right end of the first link 430 moves downward, the lock block 420 abuts against the lock stopper 220, thereby locking the push rod 200, and simultaneously the right end of the second link 440 moves downward under the action of the link shaft 432, so that the assist spring 445 abuts against the locking force receiving surface 443, thereby putting the push rod 200 in the locked state. When the push rod 200 needs to be unlocked, downward pressure is applied to the mounting block 320, the right end of the second linkage member 440 moves upward under the action of the auxiliary spring 445, the right end of the first linkage member 430 moves upward under the action of the linkage shaft 432 while the right end of the first linkage member 430 moves upward under the action of the auxiliary spring 445, the push block 410 protrudes out of the housing 100, the lock block 420 is separated from the lock stop block 220, and the push block 410 keeps protruding out of the housing 100 under the action of the auxiliary spring 445, so that the push rod 200 is unlocked, and the push rod 200 can be freely electrified and powered off.

In some embodiments, referring to fig. 14, the locking stop 220 is integrally designed with the mounting stop 210, and in particular, the locking stop 220 and the mounting stop (210) are connected and form a direct triangular prism, one right-angled face of the triangular prism is connected with the push rod 200, and the other right-angled face of the triangular prism faces to the right. The stopper 310 is disposed on the right side of the locking block 420. When the push rod 200 stretches right to be electrified, the triangular column is positioned on the right side of the locking block 420, and the triangular column is abutted with the limiting block 310. When the push rod 200 is moved out to the left to perform power-off, the triangular column is positioned at the left side of the locking block 420, so that the locking block 420 can be abutted by the triangular column to lock the push rod 200.

In some application embodiments, referring to fig. 11 and 14, the push rod 200 is further provided with a closing stop 230, and the closing stop 230 is disposed on the upper side of the push rod 200. When the push rod 200 extends into the housing 100 and is energized, the closing stop 230 is located at the lower side of the locking block 420 and abuts against the locking block 420, so that the pushing block 410 is located in a state protruding out of the housing 100. When the push rod 200 moves out of the housing 100 and is powered off, the closing stop 230 is positioned on the left side of the locking block 420, and the closing stop 230 is dislocated from the locking block 420, so that the pushing block 410 can move up and down freely.

Referring to fig. 19 to 33, the detent type electric shock preventing structure according to another aspect of the present invention includes a housing 100, a push rod 200, a mounting 300, and a locking assembly 400.

Referring to fig. 19 and 26, the housing 100 is provided with a mounting hole 110 and a locking hole 120, and the mounting hole 110 and the locking hole 120 are provided at the same side of the housing 100. The upper side of the push rod 200 is provided with a mounting stopper 210 and a locking stopper 220, and the mounting stopper 210 and the locking stopper 220 are both provided at a side of the push rod 200 facing the mounting hole 110. One end of the push rod 200 is exposed to the housing 100, and the other end of the push rod 200 is connected to the contact system 500 of the circuit breaker, wherein the push rod 200 is extended into or removed from the housing 100 to connect or disconnect the circuit breaker.

Referring to fig. 23 and 30, the locking assembly 400 is disposed in the housing 100, the locking assembly 400 includes a pushing block 410, a locking block 420, a connecting member 450 and a blocking block 460, the pushing block 410 and the locking block 420 are disposed on opposite sides of the connecting member 450, the blocking block 460 is movably blocked with the housing 100 or the mounting member 300, and the housing 100 or the mounting member 300 is provided with a locking blocking position and an unlocking blocking position, the pushing block 410 movably penetrates through the locking hole 120, so that the blocking block 460 is switched between the locking blocking position and the unlocking blocking position.

Referring to fig. 20 and 27, when the circuit breaker is in an energized state, the mounting block 210 abuts against the stopper 310 such that the mounting block 320 protrudes out of the case 100 through the mounting hole 110, and the mounting block 320 is connected with the case. And the mounting block 320 cannot move toward the inside of the housing 100 under the limit action of the mounting block 210, thereby being beneficial to ensuring that the mounting block 320 is stably connected with the case when the power is applied. When the circuit breaker is in a power-off state, the mounting block 210 and the limiting block 310 are dislocated, so that the mounting block 320 can be embedded into the mounting hole 110, and the mounting block 320 is embedded into the housing 100 under the action of external force, so that the circuit breaker is separated from the chassis, and the circuit breaker is convenient to detach.

Referring to fig. 19 and 26, when the circuit breaker is in the power-off state, the push block 410 protrudes or is inserted into the housing 100 through the locking hole 120, the connection position of the clamping block 460 and the mounting member 300 or the housing 100 is switched, and the clamping block 460 is transferred from the unlocking clamping position to the locking clamping position, so that the locking block 420 limits the locking stop 220, and further the push rod 200 is limited to extend into the housing 100, and the circuit breaker maintains the power-off state. Under the limiting action of the locking stop block 220, the push rod 200 cannot extend into the shell 100, so that the push block 410 can be protruded/embedded into the shell 100 through external force during maintenance, limiting locking is performed on the push rod 200, and the risk of power-on maintenance caused by misoperation is avoided. After the maintenance is completed, the pushing block 410 is moved in the opposite direction by the external force, so that the locking block 420 and the locking stop block 220 are dislocated, and the push rod 200 can be freely electrified and de-electrified.

In one embodiment, referring to fig. 22 and 29, the push rod 200 is in the shape of an elongated bar, one end of the push rod 200 is exposed to the housing 100, and the other end is engaged with a gear of the contact system 500. By applying a pushing force to the exposed end of the push rod 200, the push rod 200 extends into the housing 100, so that the contact system 500 can be driven to move and then be powered on, and correspondingly, a pulling force in the opposite direction is applied to the exposed end of the push rod 200, so that the push rod 200 moves out of the housing 100, so that the contact system 500 can be driven to move and then be powered off.

Specifically, referring to fig. 22 and 29, the lower side of the push rod 200 is provided with a right-angle-like snap-fit portion, the opening of which faces the left end of the push rod 200, and accordingly, referring to fig. 19 and 26, the inside of the housing 100 is provided with a right-angle-like snap-fit portion that mates with the snap-fit portion. When the push rod 200 moves out of the housing 100, the buckling part is abutted with the clamping part, and when the push rod 200 moves into the housing 100, the buckling part is separated from the clamping part.

In an embodiment, referring to fig. 19 and 26, the housing 100 is provided with a rotation shaft 130, the auxiliary torsion spring 470 is rotatably sleeved on the rotation shaft 130, one end of the auxiliary torsion spring 470 is abutted with the housing 100, and the other end is abutted with the connecting member 450, so that when the pushing block 410 is transformed from the state of embedding the housing 100 into the state of protruding the housing 100, the auxiliary torsion spring 470 can provide an auxiliary force in the same direction, thereby improving the operation convenience.

In an application embodiment, referring to fig. 19, 20 and 23, the middle portion of the connecting member 450 is rotatably sleeved on the rotating shaft 130 of the housing 100, the pushing block 410 and the locking block 420 are respectively disposed at opposite ends of the connecting member 450, and the clamping block 460 is disposed at one side of the connecting member 450 close to the pushing block 410. Specifically, the push block 410 is disposed on the left upper plane of the connection member 450 and is penetrated in the locking hole 120. The locking block 420 is disposed at the lower side of the right end of the connection member 450, and the locking block 420 protrudes from the lower plane of the connection member 450. The clamping block 460 is disposed at the left end of the connecting member 450, and the clamping block 460 protrudes from the left plane of the connecting member 450. The locking block 460 is movably clamped with the mounting piece 300, and the locking position is arranged above the unlocking position.

When a downward external force is applied to the pushing block 410, the pushing block 410 drives the blocking block 460 to move downward, the blocking block 460 is separated from the locking blocking position, the locking block 420 correspondingly moves upward to be separated from the locking stop block 220, when the blocking block 460 reaches the unlocking blocking position, the blocking block 460 is abutted with the blocking piece of the mounting piece 300, the locking block 420 is dislocated with the locking stop block 220, and the locking block 420 is located above the locking stop block 220, so that the push rod 200 can freely extend into or move out of the shell 100. When an external force is applied to the push block 410 to move upward so as to protrude from the housing 100, the locking block 420 correspondingly moves downward to abut against the locking stopper 220, and when the push block 410 reaches the locking position, the locking block 420 is positioned on the right side of the locking stopper 220, so that the push rod 200 cannot extend to the right, and the circuit breaker maintains a power-off state.

In some embodiments, referring to fig. 19, 20 and 23, a side of the mounting member 300 adjacent to the pushing block 410 is provided with a first detent block 360, a locking detent is provided on a side of the first detent block 360 adjacent to the locking hole 120, and an unlocking detent is provided on a side of the first detent block 360 remote from the locking hole 120. Specifically, the first locking block 360 has an arc-like shape, the upper end of the first locking block 360 is connected to the mounting member 300, and the lower side of the first locking block 360 extends in a direction approaching the locking block 460. The upper end of the first clamping block 360 is a locking clamping position, when the pushing block 410 is positioned at the locking clamping position, the pushing block 410 protrudes out of the housing 100, and the upper side of the left end of the connecting piece 450 is abutted with the housing 100. The lower end of the first clamping block 360 is an unlocking clamping position, and the lower surface of the first clamping block 360 is abutted against the upper surface of the clamping block 460, so that the clamping block 460 is limited to move upwards, and the pushing block 410 is embedded into the shell 100.

Further, referring to fig. 24, a side of the connection member 450 facing away from the mounting member 300 is provided with an assisting concave hole 471, and an assisting torsion spring 470 is disposed on a side of the connection member 450 facing away from the mounting member 300, and one end of the assisting torsion spring 470 is inserted into the assisting concave hole 471, so that when the pushing block 410 moves upward, an upward elastic force is applied, so that the operation is more convenient.

In some embodiments, referring to fig. 19 and 20, an end of the mounting member 300 close to the first clamping block 360 is fixedly connected with the housing 100, the mounting block 320 is disposed at an end of the mounting member 300 far away from the first clamping block 360, and the limiting block 310 is disposed at a side of the mounting member 300 far away from the mounting block 320. It should be noted that, the mounting member 300 according to the embodiment of the present invention is made of an elastic material, when an external force is applied to move the mounting block 320 downward, the right end of the mounting member 300 is inclined downward, and in the case that the external force is lost, the mounting block 320 can be restored by its own elastic force, so that the mounting block 320 moves upward and protrudes out of the mounting hole 110.

Specifically, referring to fig. 25, the mounting member 300 includes a horizontally disposed long plate, two vertically disposed support plates are disposed below the left side of the long plate, the left end of the long plate is fixedly clamped in the housing 100, the first clamping block 360 is vertically disposed and disposed between the two supports, and the arc-shaped opening of the first clamping block 360 faces the connecting member 450. The mounting block 320 and the stopper 310 are respectively provided at upper and lower planes at the right end of the long plate. Further, the stopper 310 is provided with a concave position, so that the weight of the stopper 310 is reduced, and the mounting member 300 is better reset and rebounded.

Specifically, when in the state of unlocking the push rod 200, that is, when the push block 410 is embedded into the housing 100 and the lock block 460 is in the unlocking position, when an upward external force is applied to the push block 410, the lock block 460 is separated from the first lock block 360 and slides upward along the first lock block 360, so that the lock block 420 moves downward correspondingly, and simultaneously, the auxiliary torsion spring 470 applies an upward elastic force to the left side of the connecting member 450, the lock block 460 reaches the locking position, the left side of the connecting member 450 abuts against the housing 100, the push block 410 protrudes out of the housing 100, the lock block 420 abuts against the locking stopper 220, the lock block 420 is positioned on the right side of the locking stopper 220, the push rod 200 is locked, the push rod 200 cannot extend into the housing 100, and the circuit breaker maintains the power-off state. When a downward force is applied to the pushing block 410, the pushing block 410 moves downward and is embedded into the housing 100, the clamping block 460 leaves the locking clamping position and slides downward along the first clamping block 360, so that the locking block 420 correspondingly moves upward, the clamping block 460 reaches the locking clamping position, the clamping block 460 is clamped with the first clamping block 360, the locking block 420 is dislocated with the locking stop block 220, the locking block 420 is positioned above the locking stop block 220, and meanwhile, under the clamping action of the clamping block 460 and the first clamping block 360, the pushing block 410 is favorable to keep being embedded into the housing 100, so that the push rod 200 is unlocked, and the push rod 200 can be freely electrified and powered off.

In an application embodiment, referring to fig. 26, one end of the mounting member 300 is rotatably sleeved on the rotating shaft 130, the other end of the mounting member 300 is connected with a mounting block 320 and a reset block 370, the mounting block 320 and the reset block 370 are respectively disposed on the upper side and the lower side of the mounting member 300, and an upward reset force is applied to the mounting block 320 by the reset block 370, so that the mounting block 320 can be automatically reset and in a state protruding out of the casing 100 when external pressure is eliminated, thereby being beneficial to keeping the circuit breaker connected with the chassis. In some embodiments of the present invention, mount 300 is made of an elastomeric material. Specifically, the reset block 370 is shaped like an elongated plate, one end of the reset block 370 is connected to the end of the mounting member 300, and the other end of the reset block 370 is inclined downward toward the left.

In an application embodiment, referring to fig. 26 and 30, one end of the connecting member 450 is rotatably sleeved on the rotating shaft 130 of the housing 100. The pushing block 410 and the locking block 420 are both disposed in the middle of the connecting member 450, and the retaining block 460 is disposed on one side of the connecting member 450 away from the rotating shaft 130. Specifically, the left side of the connection member 450 is connected to the rotation shaft 130, and the right side of the connection member 450 is provided with a locking block 460. The push block 410 and the locking block 420 are disposed at the middle of the connection member 450, and are disposed at the upper side and the lower side of the connection member 450, respectively. The locked position is below the unlocked position.

Referring to fig. 26 and 27, when the circuit breaker is in the power-off state, an external force is applied to the push block 410 to move it downward, so that the connection member 450 rotates around the rotation shaft 130, and the locking block 420 and the blocking block 460 are driven to move downward, the locking block 420 abuts against the locking stopper 220, the blocking block 460 is transferred from the unlocking position to the locking position, and thus the push rod 200 is locked, and the circuit breaker maintains the power-off state. Referring to fig. 29, when it is required to unlock the push rod 200, an external force is applied to the push block 410 to move it upward, so that the connecting member 450 rotates around the rotation shaft 130, and drives the locking block 420 and the blocking block 460 to move upward, the locking block 420 is separated from the locking stopper 220, the locking block 420 is located at the upper side of the locking stopper 220, and the blocking block 460 is transferred from the locking position to the unlocking position, thereby unlocking the push rod 200, and pushing the housing 100 to be freely extended or removed.

In some embodiments, referring to fig. 30 and 31, the right side of the connector 450 has an L-shaped structure, wherein the pusher and locking block 420 are disposed on the upper and lower sides of the cross plate, the upper side of the riser is connected to the right side of the cross plate, and the lower side of the riser is connected to the detent block 460. The detent block 460 is disposed on a side of the riser facing away from the mount 300. The clamping block 460 is in a long column shape, the center line of the clamping block 460 is horizontally arranged, one end of the clamping block 460 is connected with the vertical plate, and the other end of the clamping block is movably embedded into the clamping groove of the shell 100.

Further, referring to fig. 19 and 31, a side of the connection member 450 facing away from the mounting member 300 is provided with an auxiliary stopper 472, the auxiliary stopper 472 protrudes from a side of the connection member 450, and an upper side of one end of the auxiliary spring abuts against a lower side of the auxiliary stopper 472. Specifically, the auxiliary stopper 472 is L-shaped, and both ends of the lateral stopper are respectively connected with the side surface of the connecting member 450 and the upper end of the vertical stopper, and the end of the auxiliary spring is disposed at the L-shaped opening of the auxiliary stopper 472.

In some embodiments, referring to fig. 30, 32 and 33, the housing 100 is provided with a second detent block 150, the second detent block 150 comprising a circular ring 152 and a concave block 153, the concave block 153 opening to a side facing away from the locking hole 120; the concave block 153 is disposed in the ring 152 to form a fastening slot 151, and the notch of the fastening slot faces the connecting piece 450. Specifically, the concave block 153 is of an inverted V-like configuration. When the locking block 460 moves and enters the V-shaped structure through the lower opening, the concave block 153 limits the locking block 460, so that the locking block 460 is in the locking position. After the locking block 460 moves and leaves the V-shaped structure through the lower opening, the locking block 460 reaches the upper side of the concave block 153, and the locking block 460 abuts against the upper inner side of the ring 152, so that the locking block 460 is in the unlocking locking position.

Specifically, when the circuit breaker is in the power-off state, an external force is applied to the push block 410 to move it downward, so that the connecting member 450 rotates around the rotating shaft 130, and drives the locking block 420 and the blocking block 460 to move downward, the locking block 420 abuts against the locking stop block 220, the blocking block 460 enters the concave block 153, so that the circuit breaker is transferred from the unlocking position to the locking position, the locking block 420 locks the push rod 200, and the circuit breaker maintains the power-off state. Referring to fig. 29, when it is required to unlock the push rod 200, an external force is applied to the push block 410 to move it upward, so that the connecting member 450 rotates around the rotation shaft 130, and drives the locking block 420 and the blocking block 460 to move upward, the locking block 420 is separated from the locking block 220, the locking block 420 is located at the upper side of the locking block 220, and the blocking block 460 moves out of the concave block 153, so that the locking position is transferred to the unlocking position, the push rod 200 is unlocked, and the push rod can freely extend into or move out of the housing 100.

In some application embodiments, referring to fig. 27 and 29, the push rod 200 is further provided with a closing stop 230, and the closing stop 230 is disposed on the upper side of the push rod 200. When the push rod 200 extends into the housing 100 and is energized, the closing stop 230 is located at the lower side of the locking block 420 and abuts against the locking block 420, so that the pushing block 410 is located in a state protruding out of the housing 100. When the push rod 200 moves out of the housing 100 and is powered off, the closing stop 230 is positioned on the left side of the locking block 420, and the closing stop 230 is dislocated from the locking block 420, so that the pushing block 410 can move up and down freely.

In some embodiments, referring to fig. 29, the locking dog 220 is integrally designed with the closing dog 230, and in particular, the locking dog 220 and the closing dog 230 are connected and form a block. The locking block 420 is disposed at the lower side of the middle of the connecting member 450, and when the push rod 200 is inserted rightward for power-on, the square is disposed at the lower side of the locking block 420 and abuts against the locking block 420, thereby restricting the push block 410 such that the push block 410 cannot move downward. When the push rod 200 is moved out to the left to perform power-off, the square block is dislocated from the locking block 420 and is positioned on the left side of the locking block 420, so that the pushing block 410 can move up and down freely, and the left side of the locking block 420 can be abutted with the right side of the square block to lock the push rod 200.

Referring to fig. 34 to 52, the displacement type shock preventing structure according to another aspect of the present invention includes a housing 100, a push rod 200, a mounting member 300, and a locking assembly 400.

Referring to fig. 34 and 44, the housing 100 is provided with a mounting hole 110 and a locking hole 120, and the mounting hole 110 and the locking hole 120 are provided at the same side of the housing 100. The upper side of the push rod 200 is provided with a mounting stopper 210 and a locking portion 221, and the mounting stopper 210 and the locking portion 221 are provided at one side of the push rod 200 facing the mounting hole 110. One end of the push rod 200 is exposed to the housing 100, and the other end of the push rod 200 is connected to the contact system 500 of the circuit breaker, wherein the push rod 200 is extended into or removed from the housing 100 to connect or disconnect the circuit breaker.

Referring to fig. 35, 46 and 47, when the circuit breaker is in an energized state, the mounting block 210 abuts against the stopper 310 such that the mounting block 320 protrudes out of the housing 100 through the mounting hole 110, and the mounting block 320 is connected with the case. And the mounting block 320 cannot move toward the inside of the housing 100 under the limit action of the mounting block 210, thereby being beneficial to ensuring that the mounting block 320 is stably connected with the case when the power is applied. When the circuit breaker is in a power-off state, the mounting block 210 and the limiting block 310 are dislocated, so that the mounting block 320 can be embedded into the mounting hole 110, and the mounting block 320 is embedded into the housing 100 under the action of external force, so that the circuit breaker is separated from the chassis, and the circuit breaker is convenient to detach.

Referring to fig. 39 and 44, the locking assembly 400 is disposed in the housing 100, and the locking assembly 400 includes a push block 410, a locking block 420, a connecting member 450, and first and second positioning blocks 480 and 490, the push block 410 protruding from the housing 100 through the locking hole 120; the first positioning block 480 is connected with the connector 450, the second positioning block 490 is connected with the housing 100, the first positioning block 480 and the second positioning block 490 are movably connected and the connection positions thereof include a locking position and an unlocking position, wherein the first positioning block 480 and the second positioning block are switched between the locking position and the unlocking position by pushing the block 410.

Referring to fig. 34, 44 and 45, when the circuit breaker is in the power-off state, an external force is applied to move the push block 410 to change the position of the push block 410 in the housing 100, the push block 410 drives the connecting member 450 to move, and the connecting member 450 drives the first positioning block 480 to switch the unlocking position to the value locking position, so that the locking block 420 limits the locking portion 221, and further limits the push rod 200, and the push rod 200 cannot extend into the housing 100, thereby being beneficial to ensuring that the circuit breaker maintains the power-off state during maintenance. After the maintenance is completed, the pushing block 410 is moved in the opposite direction by the external force, and the pushing block 410 is restored to the original housing 100 position, so that the locking block 420 and the locking part 221 are dislocated, and the push rod 200 can be freely powered on and off.

In one embodiment, referring to fig. 37 and 49, the push rod 200 is bar-like, with one end of the push rod 200 exposed to the housing 100 and the other end engaged with a gear of the contact system 500. By applying a pushing force to the exposed end of the push rod 200, the push rod 200 extends into the housing 100, so that the contact system 500 can be driven to move and then be powered on, and correspondingly, a pulling force in the opposite direction is applied to the exposed end of the push rod 200, so that the push rod 200 moves out of the housing 100, so that the contact system 500 can be driven to move and then be powered off.

Specifically, referring to fig. 34 and 44, the lower side of the push rod 200 is provided with a right-angle-like snap-fit portion, and the opening of the snap-fit portion faces the left end of the push rod 200, and accordingly, referring to fig. 34 and 44, the inside of the housing 100 is provided with a right-angle-like snap-fit portion that mates with the snap-fit portion. When the push rod 200 moves out of the housing 100, the buckling part is abutted with the clamping part, and when the push rod 200 moves into the housing 100, the buckling part is separated from the clamping part.

The upper side of the housing 100 is provided with a mounting hole 110 for coupling the mounting 300 with the case, and a locking hole 120 for locking the push rod 200 by the locking assembly 400 to maintain the power-off state, and both the mounting hole 110 and the locking hole 120 are provided at the upper side of the housing 100. The upper side of the push rod 200 is provided with a mounting block 210 and a locking portion 221, when the push rod 200 is extended to the right into the housing 100 to be energized, the mounting block 210 moves along with the push rod 200 to the right inside the housing 100, the upper side of the mounting block 210 is located below the lower side of the stopper 310, and in some embodiments, the upper side of the mounting block 210 abuts against the lower side of the stopper 310, so that the mounting block 320 is limited. When the push rod 200 moves out of the housing 100 to the left and is powered off, the mounting block 210 moves along with the push rod 200 to the left side of the housing 100, and the mounting block 210 is separated from the limiting block 310 and is located at the side edge of the limiting block 310, so that the mounting block 210 and the limiting block 310 are misplaced, and the up-and-down movement of the mounting block 320 is not limited by the mounting block 210.

In one embodiment, the rotating shaft 130 is sleeved with a reset torsion spring 330. Referring to fig. 38 and 51, the mounting member 300 is provided with a reset groove 332/a reset concave hole 331, one end of the reset torsion spring 330 is abutted with the groove wall of the reset groove 332 or is penetrated into the reset concave hole 331, and the other end of the reset torsion spring 330 is abutted with the locking assembly 400 or the housing 100, so that an upward elastic force is applied to the mounting member 300 through the reset torsion spring 330, the mounting block 320 protrudes out of the housing 100, and the mounting block 320 can be mounted in a chassis. When the external force is applied to press the mounting block 320, the mounting block 320 may be restored by the restoring torsion spring 330 to protrude from the housing 100 again when the external force is removed.

In an application embodiment, referring to fig. 34, 35 and 39, the second positioning block 490 is rotatably sleeved on the rotating shaft 130 of the housing 100, the locking block 420 is disposed on the second positioning block 490, and the pushing block 410 can move along the extending and removing direction of the push rod 200, so that the locking block 420 abuts against or misaligns the locking portion 221 by rotating the second positioning block 490 through the first positioning block 480.

Specifically, the connecting member 450 is in a strip shape, the left and right ends of the connecting member 450 are in the same direction as the left and right ends of the push rod 200, the two ends of the connecting member 450 are movably clamped in the housing 100, the pushing block 410 is disposed on the upper side of the connecting member 450, the pushing block 410 is inserted into the locking hole 120, and the pushing block 410 is exposed out of the housing 100, further, the upper plane of the pushing block 410 is flush with the upper plane of the housing 100, or the upper plane of the pushing block 410 is slightly lower than the upper plane of the housing 100. The first positioning block 480 is disposed at a side of the connection member 450 facing away from the push block 410, and the push block 410 is movable left and right in the locking hole 120 to be brought to the first positioning block 480 to move, thereby switching the connection positions of the first positioning block 480 and the second positioning block 490. The locking block 420 is disposed obliquely and extends from top to bottom toward the left.

In some embodiments of the present invention, referring to fig. 34, 40 and 41, the first positioning block 480 and the second positioning block 490 are engaged, thereby advantageously ensuring structural reliability. In some embodiments of the present invention, referring to fig. 39, 42 and 43, the second positioning block 490 is provided with two rotating blocks 491, the two rotating blocks 491 form an included angle, further, the included angle is an obtuse angle, the opening direction of the included angle faces the first positioning block 480, and the first positioning block 480 can be abutted against the two rotating blocks 491. It will be appreciated that the upper flat surface of the push block 410 may be configured as a concave-convex surface to facilitate the force application operation.

Referring to fig. 34 and 39, when an external force is applied to move the push block 410 leftward, the first positioning block 480 is moved leftward and the second positioning block 490 is rotated counterclockwise, so that the locking block 420 is moved downward, the locking block 420 abuts against the locking portion 221, and the push rod 200 is locked so that the push rod 200 cannot be moved rightward. Referring to fig. 35, when an external force is applied to move the push block 410 rightward, the first positioning block 480 moves rightward and the second positioning block 490 rotates clockwise, so that the locking block 420 moves upward, the locking block 420 is dislocated from the locking portion 221, and the push rod 200 is unlocked, so that the push rod 200 can freely extend into and out of the housing 100. It will be appreciated that referring to fig. 37, the locking portion 221 may be provided as a locking groove 222, the locking groove 222 opening upward, the locking groove 222 bottom surface being provided obliquely and extending from top to bottom to the right.

In some embodiments, referring to fig. 34 and 38, one end of the mounting member 300 is rotatably sleeved on the rotating shaft 130 of the housing 100, and the other end of the mounting member 300 is provided with a mounting block 320 at an upper side. In some embodiments, referring to fig. 38, one side of the mounting member 300 is provided with a reset concave hole 331, and one end of the reset torsion spring 330 is penetrated through the reset concave hole 331. In some embodiments, referring to fig. 50 and 51, the side of the mounting member 300 facing away from the connecting member 450 is provided with a return groove 332, and one end of the return torsion spring 330 abuts against the groove wall of the return groove 332. Thus, when the pressing external force of the mounting block 320 is removed, the reset torsion spring 330 applies an upward elastic force to the mounting block 320, which is advantageous in that the mounting block 320 maintains a state of protruding from the housing 100, and the circuit breaker maintains connection with the cabinet. Further, the stopper 310 is disposed at a side of the mounting member 300 near the rotating shaft 130.

Specifically, when in the state of unlocking the push rod 200, referring to fig. 35, that is, the push block 410 is at the right side of the locking hole 120, and the first positioning block 480 and the second positioning block 490 are in the unlocking position, when a leftward external force is applied to the push block 410, the first positioning block 480 drives the second positioning block 490, so that the first positioning block 480 and the second positioning block 490 switch to the locking position, the second positioning block 490 drives the locking block 420 to rotate, so that the locking block 420 is embedded into the locking groove 222, the locking block 420 abuts against the locking portion 221, the push rod 200 is locked, so that the push rod 200 cannot extend into the housing 100, and the circuit breaker maintains the power-off state. When a rightward external force is applied to the pushing block 410, so that the pushing block 410 moves rightward, the first positioning block 480 drives the second positioning block 490, so that the first positioning block 480 and the second positioning block 490 switch to the unlocking positions, the second positioning block 490 drives the locking block 420 to rotate, so that the locking block 420 moves out of the locking groove 222, the locking block 420 is dislocated from the locking portion 221, the locking block 420 is located above the locking portion 221 (see fig. 35), and the push rod 200 is unlocked, so that the push rod 200 can be freely powered on and off.

In an application embodiment, referring to fig. 44 to 47, the mounting member 300 and the connecting member 450 are rotatably sleeved on the rotating shaft 130, the mounting member 300 and the connecting member 450 are integrally provided, the mounting block 320 and the pushing block 410 are integrally provided, the mounting hole 110 and the locking hole 120 are integrally provided, and the limiting block 310 and the first positioning block 480 are integrally provided. Specifically, when the power-off locking is required, the mounting block 320/pushing block 410 is moved by an external force so as to move in the mounting hole 110/locking hole 120, so that the connecting piece 450 and the mounting piece 300 move simultaneously, the locking block 420 abuts against the locking portion 221, the stopper 310/first positioning block 480 is dislocated to mount the stopper 210, the push rod 200 is locked, and the mounting block 320/pushing block 410 can be embedded into the housing 100; when unlocking and electrifying are needed, the mounting block 320/pushing block 410 is moved by external force, so that the connecting piece 450 and the mounting piece 300 are simultaneously moved, the locking block 420 and the locking part 221 are misplaced, the push rod 200 can freely extend into and out of the shell 100, at the moment, the push rod 200 is pushed to extend into the shell 100, the circuit breaker is electrified, the limiting block 310/first positioning block 480 is abutted against the mounting stop block 210, the mounting block 320/pushing block 410 is kept in a state of protruding the shell 100 and can not be embedded into the shell 100, and therefore the connection reliability of the circuit breaker and the box body is guaranteed.

In some embodiments, referring to fig. 44, 50 and 51, the middle portions of the connector 450 and the mount 300 are connected to the rotation shaft 130 of the housing 100. The stopper 310/first positioning block 480 is disposed at the lower right side of the connection member 450. The locking block 420 is disposed at the left end of the connecting member 450, the locking block 420 is disposed at the front side of the connecting member 450, and the locking block 420 is disposed obliquely and extends from top to bottom to the left. Referring to fig. 52, the second positioning block 490 includes a second riser, the first positioning block 480 includes a first riser, and the locking position and the unlocking position are provided at both sides of the first riser/second riser, respectively. Specifically, the connection position between the first and second positioning plates is changed by applying an external force to move the locking block 420/mounting block 320 forward and backward.

In some specific embodiments, referring to fig. 44, 46, 51 and 52, the first positioning block 480 is provided with a first sliding surface 481 toward the side of the second positioning block 490, the first sliding surface 481 being disposed obliquely and extending toward the second positioning block 490 in a direction away from the locking hole 120; the second positioning block 490 is provided with a second sliding surface 492 which matches the first sliding surface 481 toward one side of the first positioning block 480, and the locking position and unlocking position are provided on opposite sides of the second sliding surface 492. It will be appreciated that the upper side of the mounting block 320/pushing block 410 may be provided with a force application recess so that it may be convenient to use a tool or to move the mounting block 320/pushing block 410 with bare hands.

Specifically, when the circuit breaker is in the energized state, see fig. 46 and 47, that is, the locking block 420 is dislocated from the locking portion 221 and the stopper 310 abuts against the mounting block 210, and in the unlocked position, the front face of the first positioning block 480 abuts against the rear face of the second positioning block 490, the power-off locking operation is required, the push rod 200 is first moved to the left and the locking portion 221 is moved to the left side of the locking block 420, the push block 410 is pushed down by the external force such that the push block 410 rotates around the main shaft, the first sliding face 481 of the first positioning block 480 moves down, the side face of the first positioning block 480 is separated from the side face of the second positioning block 490, the push block 410 is kept in the pushed down state while the external force for forward movement is applied to the push block 410 such that the first sliding face 481 moves along the second sliding face 492, and the first positioning block 480 is brought into the locked position while the push block 420 is moved forward and abuts against the locking portion 221, and the rear face of the first positioning block 480 abuts against the front face of the second positioning block 490 such that the push rod 200 is kept in abutment with the locking portion 221.

Accordingly, when the circuit breaker is in the power-off state, see fig. 44 and 45, that is, the locking block 420 abuts against the locking portion 221 and the stopper 310 is dislocated with the mounting block 210, and in the locked position, the rear face of the first positioning block 480 abuts against the front face of the second positioning block 490, the unlocking energizing operation is required, the pushing block 410 is pressed down by the external force, so that the pushing block 410 rotates around the main shaft, the first sliding face 481 of the first positioning block 480 moves downward, the side face of the first positioning block 480 is separated from the side face of the second positioning block 490, the pushing block 410 is kept in the pressed state while the external force for rearward movement is applied to the pushing block 410, so that the first sliding face 481 moves along the second sliding face 492, the first positioning block 480 reaches the unlocked position while driving the locking block 420 to move rearward and dislocate with the locking portion 221, the front face of the first positioning block 480 abuts against the rear face of the second positioning block 490, so that the locking block 420 keeps the dislocated state with the locking portion 221, and the push rod 200 is freely extendable out of the housing 100. When the push rod 200 extends rightward into the housing 100 to be energized, the push rod 200 drives the mounting block 210 to move rightward, the mounting block 210 reaches below the first positioning block 480/stopper 310, and in some embodiments, the mounting block 210 abuts against the stopper 310, thereby limiting the downward movement of the stopper 310, so that the mounting block 320/pushing block 410 keeps protruding out of the housing 100, and the circuit breaker keeps being connected to the case.

In some embodiments, referring to fig. 50 and 51, a reset groove 332 is provided at a lower middle portion of the connector 450/mounting member 300, and an opening of the reset groove 332 is downward, and one end of the reset torsion spring 330 abuts against a bottom wall of the reset groove 332. In some embodiments, referring to fig. 52, the second positioning block 490 further includes an L-shaped long plate with an opening toward the first positioning block 480, and both sides of the second sliding plate are respectively connected to the inner sides of the L-shaped long plate. In some embodiments, referring to fig. 49, the locking portion 221 is a block-shaped locking block 220, and further, the locking block 220 is a triangle-like pillar placed horizontally with its slope facing to the left.

The present invention is not limited to the above embodiments, but can be modified, equivalent, improved, etc. by the same means to achieve the technical effects of the present invention, which are included in the spirit and principle of the present disclosure. Are intended to fall within the scope of the present invention. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the invention.

Claims

1. The utility model provides a coordinated type protection against electric shock structure, is applied to circuit breaker, its characterized in that includes:

A housing (100), the housing (100) being provided with a mounting hole (110) and a locking hole (120), the mounting hole (110) and the locking hole (120) being provided on the same side of the housing (100);

the push rod (200) is provided with a mounting stop block (210) and a locking stop block (220), and the mounting stop block (210) and the locking stop block (220) are arranged on one side of the push rod (200) facing the mounting hole (110); one end of the push rod (200) is exposed out of the shell (100), and the other end of the push rod (200) is connected with a contact system (500) of the circuit breaker, wherein the push rod (200) stretches into or moves out of the shell (100) so as to electrify or de-electrify the circuit breaker;

the mounting piece (300) is arranged in the shell (100), the mounting piece (300) is provided with a limiting block (310) and a mounting block (320), and the mounting block (320) is arranged on one side, facing the mounting hole (110), of the mounting piece (300); the mounting block (320) is movably arranged in the mounting hole (110) in a penetrating manner;

a locking assembly (400) disposed within the housing (100), the locking assembly (400) including a push block (410), a locking block (420), a first linkage (430), and a second linkage (440); the pushing block (410) and the locking block (420) are arranged on two opposite sides of the locking assembly (400); the pushing block (410) is movably arranged in the locking hole (120) in a penetrating way; the first linkage member (430) is in linkage connection with the second linkage member (440) so as to enable the pushing block (410) to be in linkage connection with the locking block (420);

When the circuit breaker is in an energized state, the mounting block (210) limits the limiting block (310) so that the mounting block (320) is in a state of protruding out of the shell (100) through the mounting hole (110);

when the circuit breaker is in a power-off state, the mounting block (210) is dislocated from the limiting block (310) so that the mounting block (320) can be embedded into the shell (100) through the mounting hole (110); the pushing block (410) protrudes out of or is embedded into the shell (100) through the locking hole (120), so that the locking block (420) limits the locking stop block (220) under the linkage action of the first linkage piece (430) and the second linkage piece (440), and the circuit breaker is in a power-off state.

2. The ganged-type anti-electric-shock structure of claim 1, wherein: the device further comprises a reset torsion spring (330), wherein one end of the reset torsion spring (330) is connected with the mounting piece (300); the other end of the reset torsion spring (330) is connected with the first linkage member (430) or the shell (100) so that the mounting block (320) is in a state protruding out of the shell (100).

3. The ganged-type anti-electric-shock structure of claim 1, wherein: and the device further comprises an auxiliary spring (445), wherein one end of the auxiliary spring (445) is connected with the first linkage member (430), and the other end of the auxiliary spring (445) is connected with the second linkage member (440) so that the pushing block (410) is in a state of protruding or being embedded into the shell (100).

4. A ganged-type anti-shock structure as claimed in claim 3, wherein:

the shell (100) is provided with a rotating shaft (130) and an abutting block (140); the middle part of the first linkage piece (430) is rotatably sleeved on the rotating shaft (130);

the locking block (420) is arranged at one end of the first linkage piece (430) and is arranged at one side of the first linkage piece (430) opposite to the locking hole (120); the pushing block (410) is arranged on one side of the upper side of the second linkage piece (440) facing the locking hole (120) and on one side of the first linkage piece (430) far away from the locking block (420); the pushing block (410) and the second linkage piece (440) form a linkage groove (441); one end of the first linkage piece (430) far away from the locking block (420) is arranged in the linkage groove (441) in a sliding way;

A side of the second linkage member (440) away from the locking block (420) is connected to the abutting block (140).

5. The ganged-type anti-electric-shock structure of claim 4, wherein:

the first linkage piece (430) is provided with a first auxiliary block (431), the second linkage piece (440) is provided with a second auxiliary block (442), the first auxiliary block (431) and the second auxiliary block (442) are respectively connected with two ends of the auxiliary spring (445), and one side, deviating from the auxiliary spring (445), of the second auxiliary block (442) is abutted with the abutting block (140).

6. The ganged-type anti-electric-shock structure of claim 4, wherein: the abutting block (140) is provided with a locking abutting surface (141) and an unlocking abutting surface (142); the locking abutment surface is provided on a side of the unlocking abutment surface (142) which is close to the locking block (420), and on a side of the unlocking abutment surface (142) which is close to the locking hole (120).

7. A ganged-type anti-shock structure as claimed in claim 3, wherein: the locking assembly (400) further includes a ganged torsion spring (446); the shell (100) is provided with a rotating shaft (130); one end of the first linkage piece (430) is rotatably sleeved on the rotating shaft (130); the pushing block (410) and the locking block (420) are respectively arranged at two opposite sides of one end of the first linkage piece (430) deviating from the rotating shaft (130); one end of the first linkage piece (430) deviating from the rotating shaft (130) is provided with a linkage shaft (432), and the second linkage piece (440) is rotatably sleeved on the linkage shaft (432); one end of the linkage torsion spring (446) is clamped with the mounting block (320), and the other end of the linkage torsion spring (446) can be abutted with one end of the second linkage member (440) away from the rotating shaft (130).

8. The ganged-type anti-electric-shock structure of claim 7, wherein: a locking stress surface (443) and an unlocking stress surface (444) are arranged on one side, away from the linkage torsion spring (446), of the second linkage piece (440), and the locking stress surface (443) and the unlocking stress surface (444) form an obtuse angle;

when the auxiliary spring (445) is abutted against the locking force surface (443), the locking block (420) is abutted against the locking stopper (220);

when the assist spring (445) abuts the unlocking force receiving surface (444), the lock block (420) is displaced from the lock stopper (220).

9. The ganged-type anti-electric-shock structure of claim 1, wherein:

the push rod (200) is provided with a closing stop block (230); the closing stop block (230) is arranged on one side of the push rod (200) facing the locking hole (120);

when the circuit breaker is in an energized state, the closing stop block (230) is abutted with the locking block (420) so that the pushing block (410) is in a state of protruding out of the shell;

when the circuit breaker is in a power-off state, the closing stop (230) is dislocated from the locking block (420) so that the push block (410) can be embedded in the housing.

10. A circuit breaker comprising a ganged anti-shock structure as claimed in any one of claims 1 to 9.

11. The utility model provides a screens formula protection against electric shock structure, is applied to circuit breaker, its characterized in that includes:

Wherein, when the circuit breaker is in an energized state, the mounting block (210) limits the limiting block (310) so that the mounting block (320) is in a state of protruding out of the housing (100) through the mounting hole (110); when the circuit breaker is in a power-off state, the mounting block (210) is dislocated from the limiting block (310) so that the mounting block (320) can be embedded into the shell (100) through the mounting hole (110);

the locking assembly (400) is arranged in the shell (100), and the locking assembly (400) comprises a pushing block (410), a locking block (420), a connecting piece (450) and a clamping block (460); the pushing block (410) and the locking block (420) are arranged on two opposite sides of the connecting piece (450); the clamping block (460) is movably clamped with the shell (100) or the mounting piece (300), and the shell (100) or the mounting piece (300) is provided with a locking clamping position and an unlocking clamping position; the pushing block (410) is movably arranged in the locking hole (120) in a penetrating way so as to enable the clamping block (460) to be switched between the locking clamping position and the unlocking clamping position;

When the clamping block (460) is positioned at the locking clamping position, the locking block (420) limits the locking stop block (220) so as to enable the circuit breaker to be in a power-off state; when the clamping block (460) is in the unlocking clamping position, the locking block (420) is dislocated with the locking stop block (220) so that the push rod (200) can extend into or move out of the shell (100).

12. The clip-on anti-shock structure according to claim 11, wherein: the device further comprises an auxiliary torsion spring (470), one end of the auxiliary torsion spring (470) is connected with the connecting piece (450), and the other end of the auxiliary torsion spring (470) is connected with the shell (100).

13. The clip-on anti-shock structure according to claim 12, wherein: the shell (100) is provided with a rotating shaft (130); the middle part of the connecting piece (450) is rotatably sleeved on the rotating shaft (130); the locking block (420) is arranged at one end of the connecting piece (450); the pushing block (410) is arranged at one end of the connecting piece (450) far away from the locking block (420); the clamping block (460) is arranged on one side of the connecting piece (450) close to the pushing block (410).

14. The clip-on anti-shock structure according to claim 13, wherein: a first clamping block (360) is arranged on one side, close to the pushing block (410), of the mounting piece (300); the locking clamping position is arranged on one side of the first clamping block (360) close to the locking hole (120), and the unlocking clamping position is arranged on one side of the first clamping block (360) far away from the locking hole (120).

15. The clip-on anti-shock structure according to claim 14, wherein: one end of the mounting piece (300) close to the first clamping block (360) is fixedly connected with the shell (100), the mounting block (320) is arranged at one end, far away from the first clamping block (360), of the mounting piece (300), and the limiting block (310) is arranged at one side, far away from the mounting block (320), of the mounting piece (300).

16. The clip-on anti-shock structure according to claim 12, wherein: the shell (100) is provided with a rotating shaft (130); one end of the connecting piece (450) is rotatably sleeved on the rotating shaft (130); the pushing block (410) and the locking block (420) are arranged in the middle of the connecting piece (450); the clamping block (460) is arranged on one side, far away from the rotating shaft (130), of the connecting piece (450).

17. The clip-on anti-shock structure according to claim 16, wherein: the shell (100) is provided with a buckling groove (151), the locking clamping position is arranged on one side, far away from the locking hole (120), of the buckling groove (151), and the unlocking clamping position is arranged on one side, close to the locking hole (120), of the buckling groove (151).

18. The clip-on anti-shock structure according to claim 17, wherein: the shell (100) is provided with a second clamping block (150), the second clamping block (150) comprises a circular ring (152) and a concave block (153), and the concave block (153) is opened towards one side far away from the locking hole (120); the concave block (153) is arranged in the circular ring (152) to form the clamping groove (151).

19. The clip-on anti-shock structure according to claim 17, wherein:

the mounting block (320) and the limiting block (310) are arranged at the same end of the mounting piece (300), and one end, far away from the mounting block (320), of the mounting piece (300) is rotatably sleeved on the rotating shaft (130); one end of the mounting piece (300) far away from the rotating shaft (130) is provided with a reset block (370), and the reset block (370) can be abutted with the push rod (200) so that the mounting block (320) is in a state of protruding out of the mounting hole (110).

20. A circuit breaker comprising a detent anti-shock structure according to any one of claims 11 to 19.

21. The utility model provides a displacement formula protection against electric shock structure, is applied to circuit breaker, its characterized in that includes:

a push rod (200), wherein the push rod (200) is provided with a mounting stop block (210) and a locking part (221), and the mounting stop block (210) and the locking part (221) are arranged on one side of the push rod (200) facing the mounting hole (110); one end of the push rod (200) is exposed out of the shell (100), and the other end of the push rod (200) is connected with a contact system (500) of the circuit breaker, wherein the push rod (200) stretches into or moves out of the shell (100) so as to electrify or de-electrify the circuit breaker;

the locking assembly (400) is arranged in the shell (100), and the locking assembly (400) comprises a pushing block (410), a locking block (420), a connecting piece (450), a first positioning block (480) and a second positioning block (490); the pushing block (410) protrudes from the housing (100) through the locking hole (120); the first positioning block (480) is connected with the connecting piece (450), the second positioning block (490) is connected with the shell (100), the first positioning block (480) and the second positioning block (490) are movably connected, the connecting positions of the first positioning block (480) and the second positioning block comprise a locking position and an unlocking position, and the first positioning block (480) and the second positioning block are switched between the locking position and the unlocking position through the pushing block (410);

Wherein, when in the locking position, the locking block (420) limits the locking part (221) so as to enable the circuit breaker to be in a power-off state; when in the unlocked position, the locking block (420) is dislocated from the locking portion (221) such that the push rod (200) may extend into or out of the housing (100).

22. The displacement electric shock protection structure according to claim 21, wherein: the device further comprises a reset torsion spring (330), one end of the reset torsion spring (330) is connected with the mounting piece (300), and the other end of the reset torsion spring (330) is connected with the shell (100).

23. The displacement electric shock protection structure according to claim 21, wherein:

the shell (100) is provided with a rotating shaft (130); the second positioning block (490) is rotatably sleeved on the rotating shaft (130); the locking block (420) is arranged on the second positioning block (490); the pushing block (410) can move along the extending-in and out direction of the push rod (200) so as to rotate the second positioning block (490) through the first positioning block (480) to enable the locking block (420) to abut against or misplacement the locking part (221).

24. The displacement electric shock protection structure according to claim 23, wherein: the locking portion (221) includes a locking groove (222).

25. The displacement electric shock protection structure according to claim 24, wherein: the first positioning block (480) is engaged with the second positioning block (490).

26. The displacement electric shock protection structure according to claim 24, wherein: the second positioning block (490) comprises two rotating blocks (491), an included angle is formed by the two rotating blocks (491), and the included angle is opened towards the first positioning block (480).

27. The displacement electric shock protection structure according to claim 21, wherein: the shell (100) is provided with a rotating shaft (130), and the mounting piece (300) and the connecting piece (450) are both rotatably sleeved on the rotating shaft (130); the mounting piece (300) and the connecting piece (450) are integrally arranged, the mounting block (320) and the pushing block (410) are integrally arranged, and the mounting hole (110) and the locking hole (120) are integrally arranged; the locking block (420) and the first positioning block (480) are integrally arranged.

28. The displacement electric shock protection structure according to claim 27, wherein: the pushing block (410) is arranged on the connecting piece (450) and movably penetrates through the locking hole (120); the pushing block (410) moves along a direction perpendicular to the extending-in and out direction of the push rod (200) so as to enable the locking block (420) to be abutted or dislocated with the locking part (221) by switching the abutting positions of the first positioning block (480) and the second positioning block (490).

29. The displacement electric shock protection structure according to claim 28, wherein: a first sliding surface (481) is arranged on one side of the first positioning block (480) facing the second positioning block (490); the first sliding surface (481) is obliquely arranged and extends toward the second positioning block (490) in a direction away from the locking hole (120); a second sliding surface (492) matched with the first sliding surface (481) is arranged on one side of the second positioning block (490) facing the first positioning block (480); the locked position and the unlocked position are disposed on opposite sides of the second slide surface (492).

30. A circuit breaker comprising a displacement type anti-shock structure according to any one of claims 21 to 29.