CN212659498U - Integrated compact miniature circuit breaker - Google Patents

Integrated compact miniature circuit breaker Download PDF

Info

Publication number
CN212659498U
CN212659498U CN202021346991.6U CN202021346991U CN212659498U CN 212659498 U CN212659498 U CN 212659498U CN 202021346991 U CN202021346991 U CN 202021346991U CN 212659498 U CN212659498 U CN 212659498U
Authority
CN
China
Prior art keywords
gear
handle
shaft
insulating
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021346991.6U
Other languages
Chinese (zh)
Inventor
包瑞
胡文明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Changcheng Switch Factory Co ltd
Original Assignee
Shanghai Changcheng Switch Factory Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Changcheng Switch Factory Co ltd filed Critical Shanghai Changcheng Switch Factory Co ltd
Priority to CN202021346991.6U priority Critical patent/CN212659498U/en
Application granted granted Critical
Publication of CN212659498U publication Critical patent/CN212659498U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an integrated compact miniature circuit breaker, which has the technical proposal that the compact miniature circuit breaker comprises an insulating frame body, an insulating sealing cover and an automatic tripping component, wherein the automatic tripping component comprises a gear set, a handle part, a motor and a tripping block, a circuit board is arranged between the gear set and the insulating sealing cover, the gear set comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear, the first gear and the second gear are coaxially connected through a first connecting shaft, the third gear, the fourth gear and the fifth gear are coaxially connected through a second connecting shaft, a first perforation and a second perforation are arranged on the circuit board, an inserting hole is arranged on the insulating sealing cover, a tripping hole for the tripping block to be rotatably connected on the circuit board is arranged on the circuit board, the first gear is provided with a pushing block, the miniature circuit breaker provides an arrangement structure of the circuit board and parts, thereby improve space utilization and ensure that miniature circuit breaker is multiple functional.

Description

Integrated compact miniature circuit breaker
Technical Field
The utility model relates to a miniature circuit breaker, more specifically say, it relates to an integral type compact miniature circuit breaker.
Background
The miniature circuit breaker is also called a miniature circuit breaker, is suitable for overload and short-circuit protection of a line with rated voltage of 50/60Hz and rated current of 230/400V and rated current of 63A, and can also be used for infrequent operation and conversion of the line under normal conditions. The miniature circuit breaker is mainly used in various places such as industrial, commercial, high-rise and civil houses.
Miniature circuit breaker receives the restriction of shell size, and its inner space is very limited, arranges the back with the part when inside, just does not have sufficient space arrangement circuit board for the designer has to reduce the part, weakens the function, thereby satisfies the requirement of arranging of circuit board, how to pass through the structure of arranging of part and circuit board, improves the space utilization in the miniature circuit breaker, makes miniature circuit breaker have sufficient function, is the problem that we need solve.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an integral type compact miniature circuit breaker, this miniature circuit breaker provide the structure of arranging of a circuit board and part to improve space utilization, ensure miniature circuit breaker multiple functional.
In order to achieve the above purpose, the utility model provides a following technical scheme: an integrated compact miniature circuit breaker comprises an insulating frame body with an opening, an insulating sealing cover for covering the opening to seal the insulating frame body, and an automatic tripping assembly arranged in the insulating frame body, wherein the automatic tripping assembly comprises a gear set, a handle part for being dialed by a human hand and meshed and linked with the gear set, a motor meshed and linked with the gear set, and a tripping block in linkage fit with the gear set, and a circuit board is arranged between the gear set and the insulating sealing cover;
the gear set comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear, the first gear and the second gear are coaxially connected through a first connecting shaft, the third gear, the fourth gear and the fifth gear are coaxially connected through a second connecting shaft, the first gear is respectively meshed with the third gear and the handle part, the fifth gear is meshed with the second gear, and the fourth gear is linked with the motor;
the circuit board is provided with a first through hole for the first connecting shaft to penetrate and a second through hole for the second connecting shaft to penetrate, the insulating sealing cover is provided with a plug hole for the first connecting shaft and the second connecting shaft to be plugged, the tripping block is arranged on one side, facing the insulating sealing cover, of the circuit board, the circuit board is provided with a tripping hole for the tripping block to rotate and be connected to the circuit board, one side, facing the insulating sealing cover, of the first gear is provided with a pushing block for pushing the tripping block to move, the pushing block penetrates out of the first through hole, and the first gear pushes the tripping block to enable the tripping block to rotate and trip in the rotating process.
The utility model discloses further set up to: be provided with the stopper that is used for the restriction to promote a rotation stroke on the first perforation of circuit board, the stopper is the arc structure setting.
The utility model discloses further set up to: a worm is arranged on a rotating shaft of the motor and meshed with the fourth gear through the worm.
The utility model discloses further set up to: the first gear and the second gear have the same radial length, and the third gear and the fifth gear have the same radial length.
The utility model discloses further set up to: the first connecting shaft is provided with a sixth gear, the sixth gear is located between the first gear and the second gear, the second connecting shaft is provided with a seventh gear in meshed connection with the sixth gear, the seventh gear is located between the third gear and the fourth gear, the radial length of the sixth gear is the same as that of the third gear, and the radial length of the seventh gear is the same as that of the first gear.
The utility model discloses further set up to: the handle part comprises an operating handle for a user to stir, a handle gear meshed and connected with the first gear and a handle connecting shaft coaxially connecting the operating handle and the handle gear, and the handle gear rotates along with the rotation of the operating handle in the rotating process of the operating handle.
The utility model discloses further set up to: the motor is placed and the left and right movement of the motor is limited to be placed by the placing frame, the insulating sealing cover is provided with two fixing plates which are respectively abutted to the upper side wall and the lower side wall of the motor, and the two fixing plates and the placing frame are combined to form the limiting frame for limiting the movement of the motor when the insulating sealing cover and the insulating frame are assembled and combined.
The utility model discloses further set up to: the insulating sealing cover is further provided with a handle jack for the insertion of the handle connecting shaft, and the circuit board is further provided with a connecting hole for the penetration of the handle connecting shaft and the two fixing plates.
To sum up, the utility model discloses following beneficial effect has: through the spatial arrangement of the gear sets, the gear sets are different from the gear planes in the prior art which are sequentially arranged, the effect of saving space is achieved, and the space utilization rate is improved. When the first gear of motor drive rotates or the first gear of handle portion drive rotates, it removes to all drag the dropout piece through pushing the piece, thereby realize manual-automatic's control mode, and the dropout piece rotates to be connected on first circuit board is reasonable for the position distribution, can ensure in pushing the piece butt, need not to set up the structure that supplies the dropout piece installation in insulating closing cap or insulating frame, reach the effect that reduces technology, the position of rational utilization circuit board and circuit board, overall structure in with miniature circuit breaker becomes compact, thereby space utilization has been improved greatly, through the arrangement of part and the design of circuit board structure in limited space, guarantee the multiple functional of circuit breaker.
Drawings
Fig. 1 is a schematic perspective view of a miniature circuit breaker with an insulating cover removed;
fig. 2 is a schematic perspective view of the automatic trip assembly;
fig. 3 is a schematic perspective view of the insulating cover.
Reference numerals: 1. an insulating frame body; 11. a sixth gear; 12. a seventh gear; 13. placing the frame; 2. an insulating cover; 21. inserting holes; 22. a fixing plate; 23. a handle jack; 3. an automatic trip assembly; 31. a gear set; 311. a first gear; 3111. a pushing block; 312. a second gear; 313. a third gear; 314. a fourth gear; 315. a fifth gear; 32. a handle portion; 321. an operating handle; 322. a handle gear; 323. a handle connecting shaft; 33. an electric motor; 331. a worm; 34. a trip block; 35. a first connecting shaft; 36. a second connecting shaft; 4. a circuit board; 41. a first perforation; 42. a second perforation; 43. a release hole; 44. a limiting block; 45. and connecting the holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1 to 3, in order to achieve the above object, the present invention provides the following technical solutions: an integrated compact miniature circuit breaker comprises an insulating frame body 1 with an opening, an insulating cover 2 covering the opening to seal the insulating frame body 1, and an automatic tripping assembly 3 arranged in the insulating frame body 1, wherein the automatic tripping assembly 3 comprises a gear set 31, a handle part 32 which is used for being dialed by a human hand and is meshed and linked with the gear set 31, a motor 33 which is meshed and linked with the gear set 31, and a tripping block 34 which is in linkage fit with the gear set 31, and a circuit board 4 is arranged between the gear set 31 and the insulating cover 2; the first wiring board 4 is fixed between the insulating frame body 1 and the insulating cover 2 when the insulating frame body 1 and the insulating cover 2 are combined.
The gear set 31 comprises a first gear 311, a second gear 312, a third gear 313, a fourth gear 314 and a fifth gear 315, the first gear 311 and the second gear 312 are coaxially connected through a first connecting shaft 35, the third gear 313, the fourth gear 314 and the fifth gear 315 are coaxially connected through a second connecting shaft 36, the first gear 311 is respectively meshed with the third gear 313 and the handle part 32, the fifth gear 315 is meshed with the second gear 312, and the fourth gear 314 is meshed with the motor 33; the motor 33 drives the fourth gear 314 to rotate when being started, because the fourth gear 314, the third gear 313 and the fifth gear 315 are coaxially arranged, the third gear 313 and the fifth gear 315 also rotate when the fourth gear 314 rotates, because the first gear 311 is meshed with the third gear 313 and the fifth gear 315 is meshed with the second gear 312, the first gear 311 and the second gear 312 also rotate simultaneously when the fourth gear 314 rotates, and then the first gear 311 drives the handle part 32 to rotate. In addition, the first gear 311 is respectively meshed with the third gear 313, the fifth gear 315 and the second gear 312, so that the meshing relationship between the upper gear and the lower gear is stable and not easy to be wrong.
The circuit board 4 is provided with a first through hole 41 for the first connecting shaft 35 to pass through and a second through hole 42 for the second connecting shaft 36 to pass through, and the insulating cover 2 is provided with an inserting hole 21 for the first connecting shaft 35 and the second connecting shaft 36 to insert. Through set up first perforation 41 and second perforation 42 on circuit board 4 for first connecting axle 35 and second connecting axle 36 can pass and insert in the spliced eye 21 on insulating closing cap 2, rational utilization circuit board 4 structure improves space utilization.
The trip block 34 is arranged on one side of the circuit board 4 facing the insulating cover 2, a trip hole 43 for the trip block 34 to be rotatably connected to the circuit board 4 is arranged on the circuit board 4, one end of the trip block 34 can be installed in the trip hole 43, and the circuit board 4 is reasonably used as a pivot for the trip block 34 to rotate. A pushing block 3111 for pushing the trip block 34 to move is arranged on one side of the first gear 311 facing the insulating cover 2, the pushing block 3111 penetrates out of the first through hole 41, and the pushing block 3111 pushes the trip block 34 to rotate and trip in the rotation process of the first gear 311. When the motor 33 drives the first gear 311 to rotate or the handle 32 drives the first gear 311 to rotate, the trip block 34 can be dragged to move by the push block 3111, so as to realize a manual-automatic integrated control mode, and the trip block 34 is rotationally connected to the first circuit board 4 for reasonable position distribution, so as to ensure the connection with the push block 3111, without arranging a structure for installing the trip block 34 in the insulating cover 2 or the insulating frame 1 (if the trip block 34 is designed on the insulating cover 2 or the insulating frame 1, the structure for rotationally installing the trip block 34 can cause the position of the trip block 34 to be relatively convex, so that the internal space arrangement is more inconvenient), in addition, the effect of reducing the process steps can be achieved, the positions of the circuit board 4 and the circuit board 4 are reasonably utilized, the overall structure in the miniature circuit breaker is compact, and the space utilization rate is greatly improved, the circuit breaker is ensured to have complete functions in a limited space through the arrangement of parts and the design of the structure of the circuit board 4.
The first through hole 41 of the circuit board 4 is provided with a limiting block 44 for limiting the rotation stroke of the pushing block 3111, and the limiting block 44 is arranged in an arc structure. The design of the limiting block 44 can play a good limiting role in the forward rotation or reverse rotation process of the first gear 311, and 1, the stroke of the limiting block 44 is limited; 2. the rotation angle of the first gear 311 is restricted.
A worm 331 is provided on the rotation shaft of the motor 33 and is engaged with the fourth gear 314 through the worm 331. The fourth gear 314 is engaged with the worm 331 in the form of a worm wheel, and has a certain self-locking property, so that the fourth gear 314 can be prevented from being reversely rotated.
The first gear 311 and the second gear 312 have the same radial length, and the third gear 313 and the fifth gear 315 have the same radial length. The first gear 311, the second gear 312, the third gear 313 and the fifth gear 315 are sized to rotate synchronously, so that the first gear 311 and the second gear 312 can rotate smoothly when the fourth gear 314 rotates.
The first connecting shaft 35 is provided with a sixth gear 11, the sixth gear 11 is positioned between the first gear 311 and the second gear 312, the second connecting shaft 36 is provided with a seventh gear 12 in meshed connection with the sixth gear 11, the seventh gear 12 is positioned between the third gear 313 and the fourth gear 314, the radial length of the sixth gear 11 is the same as the radial length of the third gear 313, and the radial length of the seventh gear 12 is the same as the radial length of the first gear 311. The design of the sixth gear 11 and the seventh gear 12 strengthens the meshing relationship between the two gear groups, so that the meshing is more stable, the radial length of the sixth gear 11 is the same as that of the third gear 313, and the radial length of the seventh gear 12 is the same as that of the first gear 311, so that the synchronous rotation effect is achieved, and the transmission is more stable.
In addition, the size of the first gear 311 is preferably larger than that of the third gear 313, so that the first gear 311 can be meshed with the handle part 32 conveniently.
The handle portion 32 includes an operating handle 321 for a user to dial, a handle gear 322 engaged with the first gear 311, and a handle connecting shaft 323 coaxially connecting the operating handle 321 and the handle gear 322, wherein the handle gear 322 rotates along with the rotation of the operating handle 321 when the operating handle 321 rotates. The handle portion 32 is designed to control the rotation of the first gear 311 through the operating handle 321, so as to realize the tripping operation of the electrical trip block 34.
A placing frame 13 for placing the motor 33 and limiting the motor to move left and right is arranged in the insulating frame 1, two fixing plates 22 respectively abutted against the upper side wall and the lower side wall of the motor 33 are arranged on the insulating sealing cover 2, and when the insulating sealing cover 2 and the insulating frame 1 are assembled and combined, the two fixing plates 22 and the placing frame 13 are combined to form a limiting frame for limiting the motor 33 to move. The motor is firmly fixed in the circuit breaker through the two fixing plates 22 and the placing frame 13, and the motor 33 is ensured not to be displaced in the using and transferring processes.
The insulating sealing cover 2 is also provided with a handle jack 23 for inserting the handle connecting shaft 323, and the circuit board 4 is also provided with a connecting hole 45 for the handle connecting shaft 323 and the two fixing plates 22 to pass through. The space of the circuit board 4 is reasonably utilized, and the connecting hole 45 is formed for the handle connecting shaft 323 and the fixing plate 22 to pass through, so that the inner space is compact and practical.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides an integral type compact miniature circuit breaker, including insulating framework (1) that has the opening and lid on the opening with insulating framework (1) confined insulating closing cap (2) and set up in insulating framework (1) automatic trip subassembly (3), characterized by: the automatic tripping assembly (3) comprises a gear set (31), a handle part (32) which is used for being pulled by a person and is meshed and linked with the gear set (31), a motor (33) which is meshed and linked with the gear set (31), and a tripping block (34) which is in linkage fit with the gear set (31), wherein a circuit board (4) is arranged between the gear set (31) and the insulating sealing cover (2);
the gear set (31) comprises a first gear (311), a second gear (312), a third gear (313), a fourth gear (314) and a fifth gear (315), the first gear (311) and the second gear (312) are coaxially connected through a first connecting shaft (35), the third gear (313), the fourth gear (314) and the fifth gear (315) are coaxially connected through a second connecting shaft (36), the first gear (311) is respectively meshed with the third gear (313) and the handle part (32), the fifth gear (315) is meshed with the second gear (312), and the fourth gear (314) is linked with the motor (33);
a first through hole (41) for the first connecting shaft (35) to pass through and a second through hole (42) for the second connecting shaft (36) to pass through are formed on the circuit board (4), the insulation sealing cover (2) is provided with a plug hole (21) for the plug-in connection of a first connecting shaft (35) and a second connecting shaft (36), the trip block (34) is arranged on one side of the circuit board (4) facing the insulating sealing cover (2), the circuit board (4) is provided with a tripping hole (43) for the tripping block (34) to be rotationally connected with the circuit board (4), one side of the first gear (311) facing the insulating sealing cover (2) is provided with a pushing block (3111) for pushing the trip block (34) to move, and the pushing block (3111) penetrates out of the first through hole (41), and the pushing block (3111) pushes the trip block (34) to rotate and trip in the rotating process of the first gear (311).
2. The integrated compact type small circuit breaker as claimed in claim 1, wherein: a limiting block (44) used for limiting the rotation stroke of the pushing block (3111) is arranged on the first through hole (41) of the circuit board (4), and the limiting block (44) is arranged in an arc-shaped structure.
3. The integrated compact type small circuit breaker as claimed in claim 1, wherein: a worm (331) is arranged on a rotating shaft of the motor (33) and is meshed with the fourth gear (314) through the worm (331).
4. The integrated compact type small circuit breaker as claimed in claim 1, wherein: the first gear (311) and the second gear (312) have the same radial length, and the third gear (313) and the fifth gear (315) have the same radial length.
5. The integrated compact type small circuit breaker as claimed in claim 4, wherein: the first connecting shaft (35) is provided with a sixth gear (11), the sixth gear (11) is located between the first gear (311) and the second gear (312), the second connecting shaft (36) is provided with a seventh gear (12) in meshed connection with the sixth gear (11), the seventh gear (12) is located between the third gear (313) and the fourth gear (314), the radial length of the sixth gear (11) is the same as that of the third gear (313), and the radial length of the seventh gear (12) is the same as that of the first gear (311).
6. The integrated compact type small circuit breaker as claimed in claim 1, wherein: the handle part (32) comprises an operating handle (321) for a user to stir, a handle gear (322) in meshed connection with the first gear (311), and a handle connecting shaft (323) for coaxially connecting the operating handle (321) and the handle gear (322), wherein the handle gear (322) rotates along with the rotation of the operating handle (321) in the rotating process of the operating handle (321).
7. The integrated compact type small circuit breaker as claimed in claim 6, wherein: the motor (33) is placed in the insulating frame body (1) and the placing frame (13) which is used for limiting the motor (33) to move left and right is arranged in the insulating frame body, two fixing plates (22) which are respectively abutted to the upper side wall and the lower side wall of the motor (33) are arranged on the insulating sealing cover (2), and the two fixing plates (22) and the placing frame (13) are combined to form a limiting frame which is used for limiting the motor (33) to move when the insulating sealing cover (2) and the insulating frame body (1) are assembled.
8. The integrated compact type small circuit breaker as claimed in claim 7, wherein: the insulating sealing cover (2) is further provided with a handle jack (23) for inserting a handle connecting shaft (323), and the circuit board (4) is further provided with a connecting hole (45) for the handle connecting shaft (323) and the two fixing plates (22) to penetrate through.
CN202021346991.6U 2020-07-10 2020-07-10 Integrated compact miniature circuit breaker Active CN212659498U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021346991.6U CN212659498U (en) 2020-07-10 2020-07-10 Integrated compact miniature circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021346991.6U CN212659498U (en) 2020-07-10 2020-07-10 Integrated compact miniature circuit breaker

Publications (1)

Publication Number Publication Date
CN212659498U true CN212659498U (en) 2021-03-05

Family

ID=74761467

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021346991.6U Active CN212659498U (en) 2020-07-10 2020-07-10 Integrated compact miniature circuit breaker

Country Status (1)

Country Link
CN (1) CN212659498U (en)

Similar Documents

Publication Publication Date Title
CN212659498U (en) Integrated compact miniature circuit breaker
CN212750742U (en) Split compact miniature circuit breaker
CN201898079U (en) Handcart-type vacuum circuit breaker operating handle
CN204088235U (en) A kind of automatic closing circuit breaker
CN209282153U (en) A kind of electrically operated device drive transmission device
CN106128881A (en) There is N phase breaker unit and the release unit of motor-operating mechanism
CN200976457Y (en) Electrical distribution box with protection door
CN207338273U (en) Possesses the breaker of automatic control function
CN214013347U (en) Folding conversion power plug
CN206022258U (en) The external chopper of electric energy meter
CN206148302U (en) Miniature circuit breaker and transmission case group thereof
CN205159684U (en) Wall is inserted and is arranged and insert with earth -leakage protector
CN210467729U (en) Plastic casing type circuit breaker
CN203895389U (en) Transmission structure with two-terminal support
CN203481163U (en) Electric opening-closing type miniature circuit breaker
CN214337010U (en) Smart home power socket waterproof mechanism
CN2386543Y (en) Power-supply plug
CN107564775B (en) Operating mechanism with detection switch sensor
CN208189502U (en) The pole N breaker unit
CN213093160U (en) Isolation grounding operation mechanism for circuit breaker
CN211480586U (en) Intelligent low-voltage power distribution cabinet
CN207602495U (en) A kind of transmission mechanism of the automatic switching off/on device of breaker
CN208352222U (en) It is small-sized to take control switch
CN206293388U (en) A kind of unlocking mechanism of reclosing device
CN214099548U (en) Handle padlock device for circuit breaker

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant