CN107958826A - miniature circuit breaker and its rapid closing operation handle - Google Patents

miniature circuit breaker and its rapid closing operation handle Download PDF

Info

Publication number
CN107958826A
CN107958826A CN201711394900.9A CN201711394900A CN107958826A CN 107958826 A CN107958826 A CN 107958826A CN 201711394900 A CN201711394900 A CN 201711394900A CN 107958826 A CN107958826 A CN 107958826A
Authority
CN
China
Prior art keywords
knob
connecting cylinder
main
operation handle
circuit breaker
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.)
Granted
Application number
CN201711394900.9A
Other languages
Chinese (zh)
Other versions
CN107958826B (en
Inventor
毛海锋
谷建国
陈富
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.)
Following Electrical Equipment Ltd Co In Suzhou
Original Assignee
Following Electrical Equipment Ltd Co In Suzhou
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 Following Electrical Equipment Ltd Co In Suzhou filed Critical Following Electrical Equipment Ltd Co In Suzhou
Priority to CN201711394900.9A priority Critical patent/CN107958826B/en
Publication of CN107958826A publication Critical patent/CN107958826A/en
Application granted granted Critical
Publication of CN107958826B publication Critical patent/CN107958826B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/52Manual reset mechanisms which may be also used for manual release actuated by lever
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/50Manual reset mechanisms which may be also used for manual release
    • H01H71/56Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel

Landscapes

  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The present invention relates to a kind of miniature circuit breaker and its rapid closing operation handle, a kind of rapid closing operation handle of miniature circuit breaker of the present invention is used for the rapid closing of miniature circuit breaker, operation handle includes main knob, secondary knob and energy storage torsional spring, when secondary knob is rotated relative to main knob, energy storage torsional spring can be made to tighten or discharge;When main knob and secondary knob are assembled together, secondary connecting cylinder is inserted into the inner cavity of main connecting cylinder from the rear end of main connecting cylinder, the clamping block of secondary knob front end exposes from the first notch and is stuck on the front end face of main connecting cylinder;The stop block of secondary knob rear end is against on the rear end face of main connecting cylinder.In this way, the connection of main knob and secondary knob can be reliably connected together without other fastening connection pieces, connection structure is simple, easily assembling, and manufacture cost is relatively low.

Description

Miniature circuit breaker and its rapid closing operation handle
Technical field
The present invention relates to a kind of miniature circuit breaker and its rapid closing operation handle, belong to miniature circuit breaker technical field.
Background technology
Miniature circuit breaker has a wide range of applications in industrial circle and civil field, and contact apparatus is equipped with miniature circuit breaker And operation handle, can be with trigger device separating brake or combined floodgate by rotation process handle.In making process, operation handle While rotation energy storage can be carried out to the tripping spring in contact apparatus, so, make to break in the operation handle of operating breaker When road device closes a floodgate, operation handle is rotating relatively slow in the stage of combined floodgate, this can cause moving contact and stationary contact in contact apparatus Head can not rapidly close a floodgate, or even there is a situation where virtual connection is touched.This problem is for the larger miniature circuit breaker of load current It is extremely unsafe, can causes to produce electric arc between the moving contact of contact apparatus and static contact, and cause breaker scaling loss, seriously Affect the performance and safety of breaker.
There are some miniature circuit breakers to solve the above problems in the prior art, although these breakers can be closed rapidly Lock, but structure is more complicated, layout is not reasonable, and cost is higher.
The content of the invention
In view of the foregoing deficiencies of prior art, it is an object of the invention to provide a kind of miniature circuit breaker and its quickly Closing operation handle, simple in structure for causing breaker rapid closing, easy to assembly, cost is relatively low.
To achieve these goals and related purpose, a kind of rapid closing operation handle of miniature circuit breaker of the invention are adopted With following technical solution:A kind of rapid closing operation handle of miniature circuit breaker, the operation handle is for operating breaker point Lock and combined floodgate;The operation handle includes the main knob, secondary knob and energy storage torsional spring, one end of energy storage torsional spring and master being coaxially disposed Knob connects, and the other end is connected with secondary knob;The main knob and secondary knob, which rotate against, can make energy storage torsional spring tighten or discharge; The main knob has the main connecting cylinder of rear end open, and the pair knob, which has, is rotationally plugged on the interior of the main connecting cylinder Secondary connecting cylinder in chamber;The front end of the main connecting cylinder is equipped with the first notch, and the front end of the pair connecting cylinder is equipped with clamping block, secondary The rear end of connecting cylinder is equipped with stop block, and clamping block exposes from the first notch and is stuck on the front end face of main connecting cylinder;Stop block supports On the rear end face of main connecting cylinder.
As described above, a kind of rapid closing operation handle of miniature circuit breaker of the present invention, has following beneficial to effect Fruit:A kind of rapid closing operation handle of miniature circuit breaker of the present invention is used for the rapid closing of miniature circuit breaker, operation handle Including main knob, secondary knob and energy storage torsional spring, when secondary knob is rotated relative to main knob, energy storage torsional spring can be made to tighten or release Put;When main knob and secondary knob are assembled together, secondary connecting cylinder is inserted into main connecting cylinder from the rear end of main connecting cylinder Chamber, the clamping block of secondary knob front end expose from the first notch and are stuck on the front end face of main connecting cylinder;The backstop of secondary knob rear end Block is against on the rear end face of main connecting cylinder.In this way, the connection of main knob and secondary knob can without other fastening connection pieces Link together by ground, connection structure is simple, easily assembling, and manufacture cost is relatively low.
Preferably, the side of the main connecting cylinder is equipped with the second notch, and the lateral wall of secondary connecting cylinder, which is equipped with from second, to be lacked The contiguous block that mouth exposes, contiguous block are equipped with hinge hole, are hinged with connecting rod in hinge hole, connecting rod is connected with contact apparatus;Connection The lower section of block is equipped with rotating lever, and the left end of rotating lever is connected with resetting spring, and the right end of rotating lever is equipped with the first grab, Contiguous block is equipped with the second grab engaged with the first grab;The upper surface of rotating lever is equipped with the first fin, main connecting cylinder Lateral wall is equipped with the second fin;Operation handle from open position into closing position rotary course, the first grab card Firmly the second grab and make secondary knob rotation stop;Continue to rotate the main knob, energy storage torsional spring is tightened energy storage and the second fin is to One fin is close;Rotate the main knob to prop up the first fin to the second fin and rotate rotating lever, so that first When grab departs from the second grab, the energy storage torsional spring discharges and drives secondary knob to be rotated towards closing position.In this way, in operation handle During in open position, the first grab blocks the second grab, and operation handle is rotating initial from open position to closing position Stage, the first grab block the second grab and make secondary knob rotation stop, and main knob makes energy storage torque spring energy store relative to secondary knob rotation, When the second fin on main connecting cylinder, which is rotated to the first fin with rotation regulations and parameters upper surface, to offset, it is further continued for rotating main rotation Button, the second fin will promote the first fin and rotate rotation regulations and parameters, and the first grab of rotating lever right end will be to moving down Move and unclamp the second grab on the contiguous block of secondary knob and secondary knob is freely rotated, then, in the work of energy storage torsional spring Under, secondary knob will rapidly turn to closing position, and the connecting rod being connected on secondary knob will be with trigger device promptly Close a floodgate.In this way, in making process, the moving contact and static contact of contact apparatus would not be when the distance being closer to keep longer Between, the duration of arcing when reducing combined floodgate between moving contact and static contact;Moreover, when closing a floodgate, moving contact and stationary contact Hair life is stronger to hit situation about being touched without virtual connection.
Preferably, the inner wall of the main connecting cylinder is equipped with the sliding slot parallel to main connecting cylinder axis, and clamping block is equipped with What is tilted forward and back tiltedly carves face.When main knob is assembled together with secondary knob, clamping block is onwards inserted from the rear end of sliding slot Enter in sliding slot, the oblique face of carving on clamping block can strut the top surface of sliding slot upwards, so that clamping block can more successfully be worn Sliding slot is crossed, after clamping block passes through sliding slot, the rear end face of clamping block props up the end face of sliding slot front end, and the front end face of stop block supports The firmly end face of runner rear end.
Preferably, main connecting cylinder is made of plastics.Plastics with certain elasticity and with higher intensity, in this way, During the secondary connecting cylinder of secondary knob is caught in the main connecting cylinder of main knob, certain elasticity change can occur for main connecting cylinder Shape, connects so that secondary knob can be more successfully clamped with main knob.
Preferably, the clamping block staggers with contiguous block along the circumferential position of secondary connecting cylinder.In this way, clamping block and contiguous block Placement position it is relatively reasonable, easy to manufacture and assembling.
Preferably, the lateral surface of the contiguous block is equipped with and contiguous block lateral surface in cylinder, the right side of the second notch The groove of cooperation.In this way, after secondary knob is clamped with main knob, under the action of energy storage torsional spring, the contiguous block and groove To conjunction.During energy storage torque spring energy store, it is separated a distance between contiguous block and groove, when energy storage torsional spring releases energy, Secondary knob rotates rapidly and contiguous block is rapidly rotated towards groove, and the lateral surface of contiguous block and the medial surface of groove are hit, by It is that cylindrical surface coordinates in the two, contact area is larger, so abrasion and noise that shock produces are smaller.
Preferably, there is stop surface on the clamping block, during the secondary connecting cylinder is inserted into main connecting cylinder, connection The right flank of block and the first notch offsets, and the left surface of the stop surface and the first notch offsets.In this way, by the pair of secondary knob During connecting cylinder is caught in the main connecting cylinder of main knob, secondary knob can keep circumferential position to position with main knob, so that It is more smooth process must to be caught in.
Preferably, it is equipped with spring cavity volume, the energy storage torsional spring is coaxially arranged on spring the central coaxial of the secondary knob In cavity volume, energy storage torsional spring has the first exit and the second exit, and the first exit is connected with main knob, the second exit with Secondary knob connection.
Further, the main knob is equipped with the handle radially extended along main knob, is equipped with handle along main knob footpath To the first link slot is extended, first link slot extends from the main connecting cylinder inner wall to handle inner, the energy storage torsional spring The first exit be inserted in first link slot;The madial wall of the spring cavity volume is equipped with parallel to secondary connecting cylinder axis The second link slot, the second exit of energy storage torsional spring is inserted in the second link slot.
With the rapid closing operation handle of miniature circuit breaker of the present invention a kind of correspondingly, the present invention also provides a kind of miniature Breaker, includes the rapid closing manipulator of the miniature circuit breaker described in the technical solution of above-mentioned technical proposal or its any one Handle.
Brief description of the drawings
Fig. 1 is shown as the structure diagram with the breaker of rapid closing operation handle, only display operation handle, dropout Device and contact apparatus part;
Fig. 2 is illustrated operate as handle and rotates the cross-sectional view of regulations and parameters part;
Fig. 3 is illustrated operate as handle and rotation regulations and parameters part explosive view;
Fig. 4 is illustrated operate as the stereoscopic appearance schematic diagram of handle;
Fig. 5 is shown as the front view of main knob;
Fig. 6 is shown as the stereoscopic appearance schematic diagram of main knob;
Fig. 7 is shown as the stereoscopic appearance schematic diagram of secondary knob;
Component label instructions
1 operation handle, 16 resetting spring
2 main knob, 17 first grab
3 18 second grabs of secondary knob
4 energy storage torsional spring, 19 first fin
5 main 20 second fins of connecting cylinder
6 21 sliding slots of secondary connecting cylinder
7 first notches 22 tiltedly carve face
8 clamping block, 23 groove
9 stop block, 24 stop surface
10 second notch, 25 spring cavity volume
11 contiguous block, 26 first exit
12 hinge hole, 27 second exit
13 connecting rod, 28 handle
14 contact apparatus, 29 first link slot
15 rotating lever, 30 second link slot
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off The content shown, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the present invention, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, are not influencing the present invention Under the effect of can be generated and the purpose that can reach, it should all still fall and obtain the model that can cover in disclosed technology contents In enclosing.Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also it is only Easy to understanding for narration, and it is not used to limit the enforceable scope of the present invention, its relativeness is altered or modified, in no essence Change under technology contents, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the present invention provides a kind of rapid closing operation handle of miniature circuit breaker, the operation handle 1 is used In operating breaker separating brake and combined floodgate;As shown in Fig. 2, the operation handle 1 includes main knob 2,3 and of secondary knob being coaxially disposed Energy storage torsional spring 4, one end of energy storage torsional spring 4 are connected with main knob 2, and the other end is connected with secondary knob 3;The main knob 2 and secondary rotation Button 3, which rotates against, can make energy storage torsional spring 4 tighten or discharge;Please refer to Fig.3, the main knob 2 has the main connection of rear end open Cylinder 5, the pair knob 3 have the secondary connecting cylinder 6 being rotationally plugged in the inner cavity of the main connecting cylinder 5;The main connection The front end of cylinder 5 is equipped with the first notch 7, and the front end of the pair connecting cylinder 6 is equipped with clamping block 8, and the rear end of secondary connecting cylinder 6 is equipped with backstop Block 9, clamping block 8 expose from the first notch 7 and are stuck on the front end face of main connecting cylinder 5;After stop block 9 is against main connecting cylinder 5 On end face.When main knob 2 and secondary knob 3 are assembled together, secondary connecting cylinder 6 is inserted into main company from the rear end of main connecting cylinder 5 The inner cavity of connect cylinder 5, the clamping block 8 of secondary 3 front end of knob expose from the first notch 7 and are stuck on the front end face of main connecting cylinder 5;Pair rotation The stop block 9 of 3 rear end of button is against on the rear end face of main connecting cylinder 5.In this way, the connection of main knob 2 and secondary knob 3 is tight without other Connected fitting can be reliably connected together, and connection structure is simple, easily assembling, and manufacture cost is relatively low.
In a kind of rapid closing operation handle of miniature circuit breaker of the present invention, as a preferred embodiment, Please refer to Fig.1 and Fig. 2, the side of the main connecting cylinder 5 is equipped with the second notch 10, and the lateral wall of secondary connecting cylinder 6 is equipped with from the The contiguous block 11 that two notches 10 expose, contiguous block 11 are equipped with hinge hole 12, are hinged with connecting rod 13 in hinge hole 12, connecting rod 13 with Contact apparatus 14 connects;The lower section of contiguous block 11 is equipped with rotating lever 15, and the left end of rotating lever 15 is connected with resetting spring 16, The right end of rotating lever 15 is equipped with the first grab 17, and contiguous block 11 is equipped with the second grab 18 engaged with the first grab 17;Rotation The upper surface for turning lever 15 is equipped with the first fin 19, and the lateral wall of main connecting cylinder 5 is equipped with the second fin 20;In operation handle 1 From open position into closing position rotary course, first grab 17 blocks the second grab 18 and makes secondary 3 rotation stop of knob;After The continuous rotation main knob 2, energy storage torsional spring 4 is tightened energy storage and the second fin 20 is close to the first fin 19;Rotate the master The fin of knob 2 to the second 20 props up the first fin 19 and rotates rotating lever 15, so that the first grab 17 departs from second During grab 18, the energy storage torsional spring 4 discharges and drives secondary knob 3 to be rotated towards closing position.Divide in this way, being in operation handle 1 During gate position, the first grab 17 blocks the second grab 18, by operation handle 1 from open position to the rotating initial rank of closing position Section, the first grab 17 block the second grab 18 and make secondary 3 rotation stop of knob, and main knob 2 rotates relative to secondary knob 3 and makes energy storage torsional spring 4 energy storage, when the second fin 20 rotation on main connecting cylinder 5 to the first fin 19 with rotation regulations and parameters upper surface offsets, followed by Continuous rotation main knob 2, the second fin 20 will promote the first fin 19 and rotate rotation regulations and parameters, and the of 15 right end of rotating lever One grab 17 will move down and unclamp the second grab 18 on the contiguous block 11 of secondary knob 3 and enable secondary knob 3 free Rotate, then, under the action of energy storage torsional spring 4, secondary knob 3 will rapidly turn to closing position, be connected on secondary knob 3 Connecting rod 13 will promptly close a floodgate with trigger device 14.In this way, in making process, the moving contact and stationary contact of contact apparatus 14 Head would not be maintained for a long time in the distance being closer to, and arcing when reducing combined floodgate between moving contact and static contact continues Time;Moreover, when closing a floodgate, there is a situation where stronger shock is touched without virtual connection with static contact for moving contact.
In order to which main knob 2 and secondary knob 3 are fit easily within together, as shown in Fig. 2, the main connecting cylinder 5 Inner wall is equipped with the sliding slot 21 parallel to main 5 axis of connecting cylinder, please refers to Fig.3 and Fig. 4, clamping block 8 are equipped with what is tilted forward and back Tiltedly carve face 22.When main knob 2 is assembled together with secondary knob 3, clamping block 8 is onwards inserted into cunning from the rear end of sliding slot 21 In groove 21, the oblique face 22 of carving on clamping block 8 can strut the top surface of sliding slot 21 upwards, so that clamping block 8 can be more smooth Ground passes through sliding slot 21, and after clamping block 8 passes through sliding slot 21, the rear end face of clamping block 8 props up the end face of 21 front end of sliding slot, backstop The front end face of block 9 props up the end face of 21 rear end of sliding slot.In this way, secondary knob 3 and main knob 2 cannot be opposite in anteroposterior direction clamping Mobile, the two is tightly attached to together.Preferably, main connecting cylinder 5 is made of plastics.Plastics have certain elasticity and tool There is higher intensity, in this way, during the secondary connecting cylinder 6 of secondary knob 3 is caught in the main connecting cylinder 5 of main knob 2, main connecting cylinder 5 can occur certain elastic deformation, be connected so that secondary knob 3 can be more successfully clamped with main knob 2.Such as Fig. 3 and Shown in Fig. 6, the clamping block 8 staggers with contiguous block 11 along the circumferential position of secondary connecting cylinder 6.In this way, clamping block 8 and contiguous block 11 Placement position it is relatively reasonable, easy to manufacture and assembling.
In a kind of rapid closing operation handle of miniature circuit breaker of the present invention, as a preferred embodiment, As shown in Fig. 2, the lateral surface of the contiguous block 11 is equipped with and 11 lateral surface of contiguous block in cylinder, the right side of the second notch 10 The groove 23 of cooperation.In this way, after secondary knob 3 is clamped with main knob 2, under the action of energy storage torsional spring 4, the contiguous block 11 Support and close with groove 23.In 4 thermal energy storage process of energy storage torsional spring, it is separated a distance between contiguous block 11 and groove 23, is turned round in energy storage When spring 4 releases energy, secondary knob 3 rotates rapidly and contiguous block 11 is rapidly rotated towards groove 23, the lateral surface of contiguous block 11 Hit with the medial surface of groove 23, since the two is that cylindrical surface coordinates, contact area is larger, so hitting the abrasion produced and making an uproar Sound is smaller.As shown in figure 3, as a preferred embodiment, there is stop surface 24, by the pair on the clamping block 8 During connecting cylinder 6 is inserted into main connecting cylinder 5, contiguous block 11 and the right flank of the first notch 7 offset, the stop surface 24 and The left surface of one notch 7 offsets.In this way, in the process for the main connecting cylinder 5 that the secondary connecting cylinder 6 of secondary knob 3 is caught in main knob 2 In, secondary knob 3 can keep circumferential position to position with main knob 2, so that it is more smooth to be caught in process.
In a kind of rapid closing operation handle of miniature circuit breaker of the present invention, one end and the main knob 2 of energy storage torsional spring 4 Connection, the other end are connected with secondary knob 3, as a preferred embodiment, as shown in Fig. 2, the center of the pair knob 3 is same It is equipped with spring cavity volume 25, the energy storage torsional spring 4 is coaxially arranged in spring cavity volume 25, and energy storage torsional spring 4 has first to draw axis 26 and second exit 27 of end, the first exit 26 are connected with main knob 2, and the second exit 27 is connected with secondary knob 3.It is such Connection mode is relatively simple, easily assembling.Further, please refer to Fig.2 and Fig. 5, the main knob 2 are equipped with along main knob 2 The handle 28 radially extended, is equipped with handle 28 along main knob 2 and radially extends the first link slot 29, first link slot 29 from 5 inner wall of main connecting cylinder is inserted in first connection to 28 internal stretch of handle, the first exit 26 of the energy storage torsional spring 4 In groove 29;The madial wall of the spring cavity volume 25 is equipped with the second link slot 30 parallel to secondary 6 axis of connecting cylinder, energy storage torsional spring 4 the second exit 27 is inserted in the second link slot 30.
With the rapid closing operation handle of miniature circuit breaker of the present invention a kind of correspondingly, the present invention also provides a kind of miniature Breaker, includes the rapid closing manipulator of the miniature circuit breaker described in the technical solution of above-mentioned technical proposal or its any one Handle.A kind of miniature circuit breaker of the present invention uses a kind of rapid closing operation handle of miniature circuit breaker of the invention described above, Certainly there is beneficial effect possessed by a kind of rapid closing operation handle of miniature circuit breaker of the present invention, details are not described herein again.
Technical solution based on above-described embodiment, a kind of miniature circuit breaker and its rapid closing operation handle knot of the invention Structure is simple, easily assembling, and manufacture cost is relatively low, and can realize the rapid closing of breaker.
In conclusion the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims (10)

1. a kind of rapid closing operation handle of miniature circuit breaker, the operation handle (1) is used for operating breaker separating brake and conjunction Lock;The operation handle (1) includes main knob (2), secondary knob (3) and the energy storage torsional spring (4) being coaxially disposed, energy storage torsional spring (4) One end be connected with main knob (2), the other end is connected with secondary knob (3);The main knob (2) and secondary knob (3) rotate against Energy storage torsional spring (4) can be made to tighten or discharge;It is characterized in that
The main knob (2) has the main connecting cylinder (5) of rear end open, and the pair knob (3), which has, is rotationally plugged on institute State the secondary connecting cylinder (6) in the inner cavity of main connecting cylinder (5);
The front end of the main connecting cylinder (5) is equipped with the first notch (7), and the front end of the pair connecting cylinder (6) is equipped with clamping block (8), The rear end of secondary connecting cylinder (6) is equipped with stop block (9), and clamping block (8) exposes from the first notch (7) and is stuck in main connecting cylinder (5) On front end face;Stop block (9) is against on the rear end face of main connecting cylinder (5).
2. the rapid closing operation handle of miniature circuit breaker according to claim 1, it is characterised in that:The main connecting cylinder (5) side is equipped with the second notch (10), and the lateral wall of secondary connecting cylinder (6) is equipped with the contiguous block exposed from the second notch (10) (11), contiguous block (11) is equipped with hinge hole (12), and connecting rod (13), connecting rod (13) and contact apparatus are hinged with hinge hole (12) (14) connect;
The lower section of contiguous block (11) is equipped with rotating lever (15), and the left end of rotating lever (15) is connected with resetting spring (16), rotation The right end for turning lever (15) is equipped with the first grab (17), and contiguous block (11) is equipped with the second grab engaged with the first grab (17) (18);
The upper surface of rotating lever (15) is equipped with the first fin (19), and the lateral wall of main connecting cylinder (5) is equipped with the second fin (20);
Operation handle (1) from open position into closing position rotary course, first grab (17) blocks the second grab (18) secondary knob (3) rotation stop is made;Continue to rotate the main knob (2), energy storage torsional spring (4) is tightened energy storage and the second fin (20) it is close to the first fin (19);
The main knob (2) to the second fin (20) is rotated to prop up the first fin (19) and rotate rotating lever (15), so that During so that the first grab (17) departing from the second grab (18), the energy storage torsional spring (4) discharges and drives secondary knob (3) towards closing position Put rotation.
3. the rapid closing operation handle of miniature circuit breaker according to claim 2, it is characterised in that:The main connecting cylinder (5) inner wall is equipped with the sliding slot (21) parallel to main connecting cylinder (5) axis, and clamping block (8) is tiltedly carved equipped with what is tilted forward and back Face (22).
4. the rapid closing operation handle of miniature circuit breaker according to claim 3, it is characterised in that:Main connecting cylinder (5) It is made of plastics.
5. the rapid closing operation handle of miniature circuit breaker according to claim 2, it is characterised in that:The clamping block (8) stagger with contiguous block (11) along the circumferential position of secondary connecting cylinder (6).
6. the rapid closing operation handle of miniature circuit breaker according to claim 2, it is characterised in that:The contiguous block (11) for lateral surface in cylinder, the right side of the second notch (10) is equipped with the groove coordinated with contiguous block (11) lateral surface (23)。
7. the rapid closing operation handle of miniature circuit breaker according to claim 2, it is characterised in that:The clamping block (8) there is stop surface (24) on, during the secondary connecting cylinder (6) is inserted into main connecting cylinder (5), contiguous block (11) and first The right flank of notch (7) offsets, and the stop surface (24) and the left surface of the first notch (7) offset.
8. the rapid closing operation handle of miniature circuit breaker according to claim 2, it is characterised in that:The pair knob (3) it is equipped with spring cavity volume (25), the energy storage torsional spring (4) is coaxially arranged in spring cavity volume (25), energy storage central coaxial Torsional spring (4) has the first exit (26) and the second exit (27), and the first exit (26) is connected with main knob (2), and second Exit (27) is connected with secondary knob (3).
9. the rapid closing operation handle of miniature circuit breaker according to claim 8, it is characterised in that:The main knob (2) handle (28) radially extended along main knob (2) is equipped with, is equipped with handle (28) along main knob (2) and radially extends first Link slot (29), first link slot (29) is from main connecting cylinder (5) inner wall to handle (28) internal stretch, the energy storage The first exit (26) of torsional spring (4) is inserted in first link slot (29);Set on the madial wall of the spring cavity volume (25) Second link slot (30) of secondary connecting cylinder (6) axis is parallel to, the second exit (27) of energy storage torsional spring (4) is inserted in the second company In access slot (30).
10. a kind of miniature circuit breaker, it is characterized in that, include the quick conjunction of claim 1 to 9 any one of them miniature circuit breaker Lock operation handle.
CN201711394900.9A 2017-12-21 2017-12-21 Miniature circuit breaker and quick closing operation handle thereof Active CN107958826B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711394900.9A CN107958826B (en) 2017-12-21 2017-12-21 Miniature circuit breaker and quick closing operation handle thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711394900.9A CN107958826B (en) 2017-12-21 2017-12-21 Miniature circuit breaker and quick closing operation handle thereof

Publications (2)

Publication Number Publication Date
CN107958826A true CN107958826A (en) 2018-04-24
CN107958826B CN107958826B (en) 2020-08-11

Family

ID=61956381

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711394900.9A Active CN107958826B (en) 2017-12-21 2017-12-21 Miniature circuit breaker and quick closing operation handle thereof

Country Status (1)

Country Link
CN (1) CN107958826B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792769A1 (en) * 1999-04-23 2000-10-27 Entrelec Sa Incorrect position prevention manual release electrical apparatus switch for circuit breaker, having activating handle/cylindrical section with spring section and stop section element having internal cut out section
CN204537958U (en) * 2015-04-29 2015-08-05 浙江天正电气股份有限公司 A kind of circuit breaker being provided with coaxial gear set
CN107230593A (en) * 2016-04-29 2017-10-03 上海良信电器股份有限公司 A kind of elastic energy storage transmission mechanism
CN107230601A (en) * 2016-07-15 2017-10-03 上海良信电器股份有限公司 A kind of external small type circuit breaker operating mechanism of electric energy meter
CN207705130U (en) * 2017-12-21 2018-08-07 苏州未来电器股份有限公司 miniature circuit breaker and its rapid closing operation handle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792769A1 (en) * 1999-04-23 2000-10-27 Entrelec Sa Incorrect position prevention manual release electrical apparatus switch for circuit breaker, having activating handle/cylindrical section with spring section and stop section element having internal cut out section
CN204537958U (en) * 2015-04-29 2015-08-05 浙江天正电气股份有限公司 A kind of circuit breaker being provided with coaxial gear set
CN107230593A (en) * 2016-04-29 2017-10-03 上海良信电器股份有限公司 A kind of elastic energy storage transmission mechanism
CN107230601A (en) * 2016-07-15 2017-10-03 上海良信电器股份有限公司 A kind of external small type circuit breaker operating mechanism of electric energy meter
CN207705130U (en) * 2017-12-21 2018-08-07 苏州未来电器股份有限公司 miniature circuit breaker and its rapid closing operation handle

Also Published As

Publication number Publication date
CN107958826B (en) 2020-08-11

Similar Documents

Publication Publication Date Title
DE50100440D1 (en) DEVICE CRUSHING DEVICE
CN105428109A (en) Two-position change-over switch
CN109616385A (en) Miniature circuit breaker operating mechanism
CN207705130U (en) miniature circuit breaker and its rapid closing operation handle
WO2020211585A1 (en) Circuit breaker having n poles without arc extinguishing device
CN107958826A (en) miniature circuit breaker and its rapid closing operation handle
EP2963665A1 (en) Switching device and linkage mechanism thereof
CN201298519Y (en) Energy storage high-breaking miniature breaker
CN203882930U (en) Magnetic tripping device and molded case circuit breaker provided with same
WO2016090741A1 (en) Breaker and contact device thereof having flippable static contact
CN208256492U (en) On-load switch and operation handle
CN201134399Y (en) Earth leakage breaker with indication device
CN209266338U (en) Miniature circuit breaker operating mechanism
CN207587673U (en) Moving contact component and device for switching may be reversed
CN209282153U (en) A kind of electrically operated device drive transmission device
CN203205315U (en) A direct current and forward/reverse rotation control switch
CN214956601U (en) Operating mechanism and switch
CN205657036U (en) Miniature circuit breaker's arc blow -out mechanism
CN102426998B (en) Operating mechanism of minitype breaker
CN211238092U (en) Self-energy arc extinguish chamber and circuit breaker
CN208548329U (en) The operating mechanism and breaker of breaker
KR101976706B1 (en) Fast switching-on mechanism
CN207183188U (en) One kind has synchronous dual operation mechanisms breaker
WO2016090740A1 (en) Breaker and contact device having rotatable fixed contact thereof
CN107481897B (en) A kind of resilience-proof device of breaker

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant