CN205752059U - Motor protection chopper - Google Patents
Motor protection chopper Download PDFInfo
- Publication number
- CN205752059U CN205752059U CN201620423387.6U CN201620423387U CN205752059U CN 205752059 U CN205752059 U CN 205752059U CN 201620423387 U CN201620423387 U CN 201620423387U CN 205752059 U CN205752059 U CN 205752059U
- Authority
- CN
- China
- Prior art keywords
- gear
- fork
- teeth
- support
- push rod
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Transmission Devices (AREA)
Abstract
A kind of motor protection chopper; including the contact support being installed in housing, static contact group and the moving contact group being installed in contact support; also include rotary handle and the linkage being connected with rotary handle; linkage includes gear fork and push rod; rotary handle rotates drive link mechanism, drives push rod action to make the moving contact group in contact support be contacting and separating with static contact group；One end of rotary handle is provided with gear intermeshing with gear fork, gear includes teeth, teeth groove is formed between adjacent two teeth, gear fork is provided with fork teeth corresponding with teeth groove, fork teeth groove corresponding with teeth is formed between fork teeth, teeth are become narrow gradually outwardly by interior, and two sides form the first inclined-plane, and the both sides of fork teeth groove are provided with second inclined-plane corresponding with the first inclined-plane.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, particularly to a kind of motor protection chopper.
Background technology
Chopper, as a kind of basic low-voltage electrical apparatus, be mainly used in the overload of circuit, short circuit, decompression,
Under-voltage and earth leakage protective.Can be not only used for the protection of distribution system it can also be used to the guarantor of motor of frequent starting
Protect.When being used for motor protection, the reliability and sensitivity to product, and mechanical life and electricity the longevity
Life requires higher, harsher.Motor chopper mainly carrys out the disconnected of band trigger device by operating mechanism
Open and close are closed, and then realize disjunction and the Guan Bi of circuit.The quality of operating mechanism directly affects chopper
Performance and used life.Be currently used for the traditional mechanism of motor protection chopper have the problem that 1,
Operating mechanism gear coordinates bad, causes the power needed for user operation rotary handle big, and product is low for service life；
2, can not be in the case of existing product constancy of volume, it is achieved the large opening between contact, short circuit breaking capacity has
Limit.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of simple and compact for structure, property
Energy safety and stability, the motor protection chopper of low cost.
For achieving the above object, this utility model adopts the technical scheme that
A kind of motor protection chopper, including the contact support 8 being installed in housing, static contact group 6
Support the moving contact group 4 on 8 with being installed on contact, also include rotary handle 10 and connect with rotary handle 10
The linkage connect, described linkage includes gear fork 12 and push rod 16, and rotary handle 10 rotates and drives
Dynamic linkage, drives push rod 16 action to make the moving contact group 4 in contact support 8 connect with static contact group 6
Touch and separate；One end of described rotary handle 10 is provided with gear 11 intermeshing with gear fork 12,
Described gear 11 includes teeth 11a, forms teeth groove 11b, gear fork between adjacent two teeth 11a
12 are provided with fork teeth 12a corresponding with teeth groove 11b, are formed and teeth 11a between described fork teeth 12a
Corresponding fork teeth groove 12b, described teeth 11a are become narrow gradually outwardly by interior, and two sides form the first inclined-plane
111a, the both sides of described fork teeth groove 12b are provided with second inclined-plane 121b corresponding with the first inclined-plane 111a.
Further, the second inclined-plane 121b is the involute face coordinated with the first inclined-plane 111a.
Further, described fork teeth 12a that contact first with the gear 11 of rotary handle 10 are towards upper
What the teeth 11a guiding with gear 11 that is provided with the top protrusion of the side of gear 11 engaged stirs protruding 120,
Stir protruding 120 to be obliquely installed towards fork teeth groove 12b, stir protruding 120 towards fork teeth groove 12b's
One side roof part forms engagement buckle slot 1201, and engagement buckle slot 1201 connects with fork teeth groove 12b.
Further, described teeth 11a are provided with the most inwardly angled towards the side of gear fork 12
First slope 111b, described fork teeth 12a are provided with towards the side of gear 11 and from top to bottom tilt
The second outside slope 122b, described in stir protruding 120 and protrude and be located on the second slope 122b.
Further, described gear 11 includes gear body 113, and teeth 11a annular distribution is in gear
The lateral wall of body 113, described gear fork 12 includes gear fork body 123, gear fork body
123 are vertically arranged with gear body 113, and fork teeth 12a annular distribution is in gear fork body 123
Lateral wall, gear 11 horizontally rotates driven gear fork 12 vertical rotary.
Further, the side of described push rod 16 is provided with variable curvature circular arc end face 161；Described variable curvature arc end
Face 161 forms involute.
Further, also including energy-stored spring 18, described push rod 16 is triangular form shape, three angles of triangular form
Portion is respectively equipped with fixes the first fixing hole 1601 that axle 101c installation coordinates, with second connecting rod 15 with the 3rd
The second fixing hole 1602 that one end connects and the 3rd fixing hole that is connected with an end arms of energy-stored spring 18
1603；Described variable curvature circular arc end face 161 is located at the side in the corner at the 3rd fixing hole 1603 place.
Further, also including support 17 and energy-stored spring 18, support 17 is fixedly installed on pedestal 2, institute
State linkage and also include snap close 13, tripping 14, first connecting rod, second connecting rod 15, described snap close 13 pivot
Turning and be connected on support 17, the middle part of tripping 14 is connected with gear fork 12 by first connecting rod, tripping
One end of 14 is connected with snap close 13 hasp, and the other end of tripping 14 is by second connecting rod 15 with push rod 16 even
Connecing, push rod 16 is pivotably attached on support 17, and described gear fork 12 is pivotably attached on support 17；
Described energy-stored spring 18 is fixed on support 17, and an end arms of energy-stored spring 18 is connected with push rod 16.
Further, described support 17 is made up of two pieces of flat boards being parallel to each other, gear fork 12, snap close 13
With push rod 16 respectively by first fixing axle 101a, second fixing axle 101b and the 3rd and fix axle 101c pivot
Turn and be connected between two pieces of flat boards of support 17；Snap close 13 and gear fork 12 lay respectively at support 17 1
End both sides, push rod 16 and energy-stored spring 18 lay respectively at the other end both sides of support 17.
Further, also include that contact push pedal 19, contact push pedal 19 are located at contact and are supported the top of 1, described
Push rod 16 action drives contact push pedal 19 carrys out band moving contact and supports 8 actions.
This utility model motor protection is with in the teeth of chopper gear and the fork teeth groove of gear fork
First inclined-plane and the second inclined-plane are set, by optimizing gear structure, on the one hand improve the engagement between gear and close
It is and strength of gear situation to reduce the wear extent between gear engagement, needed on the other hand reduction people operates handle
Operational torque and power, the reliability of accentuator disjunction.This utility model uses the song with variable curvature
The push rod in face, can shorten linkage and trigger contact push pedal and the time of contact apparatus, and push rod is fixed around it
When axle rotates equal angular, the movement time triggering driving contact push pedal and contact support is shorter, can be significantly
Improve the electric arc ability of going out of product, and in the case of ensureing that small product size does not increases, it is achieved contact large opening
Function, significantly improve short circuit breaking capacity and the reliability of disjunction circuit of product.Variable curvature arc end
Face is involute.
Accompanying drawing explanation
Fig. 1 is the overall structure profile of this utility model motor protection chopper；
Fig. 2 is the schematic diagram of this utility model rotary handle and linkage；
Fig. 3 is this utility model motor protection breaker closing view；
Fig. 4 is this utility model motor protection breaker open operation view；
Fig. 5 is this utility model rotary handle and the structural representation of gear fork；
Fig. 6 is the structural representation of this utility model linkage；
Fig. 7 is another structural representation of this utility model linkage；
Fig. 8 is the structural representation of this utility model gear fork；
Fig. 9 is the structural representation of this utility model push rod.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 9, further illustrates motor protection of the present utility model
By the detailed description of the invention of chopper.Motor protection chopper of the present utility model is not limited to following enforcement
The description of example.
As it is shown in figure 1, this utility model motor protection chopper, including base 1 and pedestal 2, described
Pedestal 2 is installed on base 1.Being provided with arc extinguishing grid pieces group 3 on base 1, two groups of arc extinguishing grid pieces group 3 go out
Arc grid lays respectively at the both sides of base 1, and the middle part of base 1 is provided with contact and supports 8, and contact is supported on 8
Moving contact group 4 is installed；Being provided with static contact group 6 on pedestal 2, two groups of static contacts of static contact group 6 are respectively
It is located at the both sides of pedestal 2；Also include pyromagnetic group and the insulation board being installed on pedestal 2, one of which stationary contact
Head is provided with pyromagnetic group, and another group static contact is provided with insulation board.The two of the moving contact of described moving contact group 4
The contact of both sides and two groups of static contacts of pedestal 2 both sides that terminal contacts stretches to contact support 8 respectively is oppositely arranged,
Contact support 8 drives the contact of moving contact and static contact and separates closed and disconnected circuit.
As shown in Fig. 1,5,6, this utility model motor protection chopper, also include rotary handle 10,
The linkage being connected with rotary handle 10, described linkage includes gear fork 12 and push rod 16, rotation
Change hands handle 10 and rotate drive link mechanism, drive push rod 16 action to make contact support the moving contact group 4 on 8
It is contacting and separating with static contact group 6.
Such as Fig. 2, shown in 5, one end of described rotary handle 10 is provided with on intermeshing with gear fork 12
Gear 11, described gear 11 includes teeth 11a, forms teeth groove 11b between adjacent two teeth 11a,
Gear fork 12 is provided with fork teeth 12a corresponding with teeth groove 11b, is formed between described fork teeth 12a
Fork teeth groove 12b corresponding with teeth 11a, described teeth 11a are become narrow gradually outwardly by interior, and two sides are formed
First inclined-plane 111a, the both sides of described fork teeth groove 12b are provided with and the first corresponding second inclined-plane of inclined-plane 111a
121b.This utility model motor protection is with in the teeth of chopper gear and the fork teeth groove of gear fork
First inclined-plane and the second inclined-plane are set, by optimizing gear structure, on the one hand improve the engagement between gear and close
It is and strength of gear situation to reduce the wear extent between gear engagement, needed on the other hand reduction people operates handle
Operational torque and power, the reliability of accentuator disjunction.
As it is shown in figure 5, described first inclined-plane 111a is plane, the second inclined-plane 121b is and the first inclined-plane 111a
The involute face coordinated.First inclined-plane 111a can also be set to involute face, the second inclined-plane 121b be with
The plane that first inclined-plane 111a coordinates.This utility model by the first inclined-plane and the second inclined-plane are set to plane with
The matching relationship in involute face, further improves the meshing relation between gear and strength of gear situation, reduces
Wear extent between gear engagement, reduces people and operates the operational torque needed for handle and power, accentuator disjunction
Reliability
As viewed in figures 5-8, rotary handle 10 and gear fork 12 are partial gear.Described and rotary handle
Fork teeth 12a of the first contact of gear 11 of 10 are provided with towards the top protrusion of the side of gear 11
Guide with teeth 11a of gear 11 engage stir protruding 120, stir projection 120 towards fork teeth groove
12b is obliquely installed, and stirs the protruding 120 side roof part formation engagement buckle slots 1201 towards fork teeth groove 12b,
Engagement buckle slot 1201 connects with fork teeth groove 12b.Only has gear fork 12 as can be seen from Figure 7 with upper
Engagement buckle slot 1201, other two fork teeth are set in first fork teeth 12a that gear 11 coordinates
12a only has the involute surface of fork teeth groove 12b both sides.When spiral turns rotary handle 10, the teeth of gear 11
11a first with stir protruding 120 and be clasped, continue to rotate again by the first inclined-plane 111a and the second inclined-plane
121b engages.Especially, described teeth 11a are provided with towards the side of gear fork 12 and are from top to bottom tilted towards
The first interior slope 111b, described fork teeth 12a are provided with towards the side of gear 11 and from top to bottom incline
Oblique the second outer slope 122b, described in stir protruding 120 and protrude and be located on the second slope 122b.Such as Fig. 5
Shown in, described gear 11 includes gear body 113, and teeth 11a annular distribution is in gear body 113
Lateral wall, described gear fork 12 includes gear fork body 123, gear fork body 123 and upper tooth
Wheel body 113 be vertically arranged, fork teeth 12a annular distribution in the lateral wall of gear fork body 123,
Gear 11 horizontally rotates driven gear fork 12 vertical rotary.Joining of gear 11 and fork teeth 12a
Close structure, it is also possible to replace with a single rocking bar.
As viewed in figures 5-8, the upper end of described teeth 11a is provided with diagonally downward towards gear fork 12
Three slope 111c, the upper end of described fork teeth 12a towards gear 11 be provided with diagonally downward the 4th oblique
Slope 121c.
As it is shown in figure 9, the side of described push rod 16 is provided with for driving contact push pedal 19 and contact to support 8
Variable curvature circular arc end face 161；Described variable curvature circular arc end face 161 is involute or other Function Fittings song
Face.This utility model uses the push rod 16 of the curved surface with variable curvature, can shorten linkage and trigger tactile
The time of head unit, push rod 16, when its solid System of Rotating about Fixed Axis equal angular, triggers and drives contact push pedal 19 He
Contact supports that the movement time of 8 is shorter, the go out electric arc ability of product can be greatly improved, and ensureing product
In the case of volume does not increases, it is achieved the function of contact large opening, significantly improve the short circuit breaking energy of product
Power and the reliability of disjunction circuit.
As it is shown in figure 9, described push rod 16 is triangular form shape, three corners of triangular form are respectively equipped with and the 3rd
Fixing axle 101c installs the first fixing hole 1601 coordinated, and second be connected with one end of second connecting rod 15 is solid
Determine hole 1602 and the 3rd fixing hole 1603 being connected with an end arms of energy-stored spring 18；Described variable curvature
Circular arc end face 161 is located at the side in the corner at the 3rd fixing hole 1603 place；First fixing hole 1601 place
The side in corner be circular arc side, be provided with out between this circular arc side and variable curvature circular arc end face 161
Mouth groove 1604.Push rod 16 is it can also be provided that other shapes.
As shown in fig. 6-7, support 17 and energy-stored spring 18, support 17 is fixedly installed on pedestal 2.Institute
State linkage include gear fork 12, snap close 13, tripping 14, first connecting rod (not shown),
Two connecting rods 15 and push rod 16；Described snap close 13 is pivotably attached on support 17, and the middle part of tripping 14 is passed through
First connecting rod is connected with gear fork 12, and one end of tripping 14 is connected with snap close 13 hasp, tripping 14
The other end is connected with push rod 16 by second connecting rod 15, and push rod 16 is pivotably attached on support 17, described
Gear fork 12 is pivotably attached on support 17；Described energy-stored spring 18 is fixed on support 17, energy storage
One end arms of spring 18 is connected with push rod 16；Rotary handle 10 rotates drive link mechanism, drives push rod
Moving contact group 4 in 16 action band moving contact supports 8 separates with the static contact group 6 of pedestal 2 both sides and disconnects
Circuit.Also include that contact push pedal 19, contact push pedal 19 are located at contact and are supported the top of 8, described push rod 16
Action drives contact push pedal 19 carrys out band moving contact and supports 8 actions.The present embodiment linkage be one preferably
Scheme, has the feature of reliable transmission easy to assembly.It is of course also possible to use the drive mechanism of alternate manner,
Using the structure that rotary handle 10 coordinates with gear fork 12, this belongs to protection domain of the present utility model.
As shown in Figure 6,7, described support 17 is made up of two pieces of flat boards being parallel to each other, gear fork 12,
Snap close 13 and push rod 16 are respectively by first fixing axle 101a, second fixing axle 101b and the 3rd and fix axle
101c is pivotably attached between two pieces of flat boards of support 17；Snap close 13 is positioned at the side, upper end of support 17, jumps
Button 14 is positioned at the lower section of snap close 13, and an end arms of tripping 14 is connected with snap close 13 hasp, snap close 13 He
Gear fork 12 lays respectively at both sides, support 17 one end, and push rod 16 is positioned at the lower end of support 17, is positioned at jumping
Button 14 and the lower section of gear fork 12, energy-stored spring 18 is positioned at the right side of push rod 16, energy-stored spring 18
One end arms is fixed, and another end arms is connected with push rod 16, provides reseting elasticity for push rod 16.
Fig. 3,4 combine Fig. 1 and provide the course of action of this utility model motor protection chopper: work as staff
During operating breaker separating brake, rotate rotary handle 10 driven gear fork 12 and rotate further drivening rod machine
Structure action, drives push rod 16 to turn clockwise downward actuation, and push rod 16 promotes contact push pedal 19, and contact pushes away
Plate 19 pushes down on contact and supports 8 downward actuation, dynamic/static contact separation cut circuit；Otherwise close for chopper
Lock action.
Above content is to combine concrete preferred implementation further detailed description of the utility model,
It cannot be assumed that of the present utility model being embodied as is confined to these explanations.For technology belonging to this utility model
For the those of ordinary skill in field, without departing from the concept of the premise utility, it is also possible to if making
Dry simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a motor protection chopper, including the contact support (8) being installed in housing, stationary contact
Head group (6) and the moving contact group (4) being installed in contact support (8), it is characterised in that: also include rotation
Changing hands handle (10) and the linkage being connected with rotary handle (10), described linkage includes that gear is put
Bar (12) and push rod (16), rotary handle (10) rotates drive link mechanism, drives push rod (16)
Action makes the moving contact group (4) in contact support (8) be contacting and separating with static contact group (6)；
One end of described rotary handle (10) is provided with and gear fork (12) intermeshing gear (11),
Described gear (11) includes teeth (11a), forms teeth groove (11b) between adjacent two teeth (11a),
Gear fork (12) is provided with and teeth groove (11b) corresponding fork teeth (12a), described fork teeth (12a)
Between formed and teeth (11a) corresponding fork teeth groove (12b), described teeth (11a) by interior outwardly by
Gradual change is narrow, and two sides form the first inclined-plane (111a), the both sides of described fork teeth groove (12b) be provided with
Corresponding second inclined-plane, first inclined-plane (111a) (121b).
Motor protection chopper the most according to claim 1, it is characterised in that: the second inclined-plane
(121b) for the involute face coordinated with the first inclined-plane (111a).
Motor protection chopper the most according to claim 1, it is characterised in that: described and rotation
The fork teeth (12a) of gear (11) the first contact of handle (10) are towards gear (11)
What teeth (11a) guiding with gear (11) that is provided with the top protrusion of side engaged stirs projection (120),
Stir projection (120) to be obliquely installed towards fork teeth groove (12b), stir projection (120) towards fork
One side roof part of teeth groove (12b) forms engagement buckle slot (1201), engagement buckle slot (1201) and pendulum
Bar teeth groove (12b) connects.
Motor protection chopper the most according to claim 3, it is characterised in that: described teeth
(11a) side towards gear fork (12) is provided with the most inwardly angled the first slope (111b),
Described fork teeth (12a) are provided with towards the side of gear (11) and are from top to bottom tilted towards outer the
Two slopes (122b), described in stir projection (120) protrude be located on the second slope (122b).
5. according to the arbitrary described motor protection chopper of claim 1-4, it is characterised in that: described
Gear (11) includes gear body (113), and teeth (11a) annular distribution is in gear body (113)
Lateral wall, described gear fork (12) includes gear fork body (123), gear fork body (123)
Being vertically arranged with gear body (113), fork teeth (12a) annular distribution is in gear fork body (123)
Lateral wall, gear (11) horizontal rotation driven gear fork (12) vertical rotary.
6. according to the arbitrary described motor protection chopper of claim 1-4, it is characterised in that: described
The side of push rod (16) is provided with variable curvature circular arc end face (161)；Described variable curvature circular arc end face (161)
Form involute.
Motor protection chopper the most according to claim 6, it is characterised in that: also include energy storage
Spring (18), described push rod (16) is triangular form shape, and three corners of triangular form are respectively equipped with and the 3rd
Fixing axle (101c) installs the first fixing hole (1601) coordinated, and connects with one end of second connecting rod (15)
The second fixing hole (1602) connect and the 3rd fixing hole being connected with an end arms of energy-stored spring (18)
(1603)；Described variable curvature circular arc end face (161) is located at the angle at the 3rd fixing hole (1603) place
The side in portion.
Motor protection chopper the most according to claim 1, it is characterised in that: also include support
(17) and energy-stored spring (18), support (17) is fixedly installed on pedestal (2), described connecting rod machine
Structure also includes snap close (13), tripping (14), first connecting rod, second connecting rod (15), described snap close (13)
Being pivotably attached on support (17), the middle part of tripping (14) is by first connecting rod and gear fork (12)
Connecting, one end of tripping (14) is connected with snap close (13) hasp, and the other end of tripping (14) passes through the
Two connecting rods (15) are connected with push rod (16), and push rod (16) is pivotably attached on support (17), described
Gear fork (12) is pivotably attached on support (17)；Described energy-stored spring (18) is fixed on support (17)
On, an end arms of energy-stored spring (18) is connected with push rod (16).
Motor protection chopper the most according to claim 8, it is characterised in that: described support (17)
Being made up of two pieces of flat boards being parallel to each other, gear fork (12), snap close (13) and push rod (16) are respectively
By first fixing axle (101a), second fixing axle (101b) and the 3rd and fix axle (101c) and pivot even
It is connected between two pieces of flat boards of support (17)；Snap close (13) and gear fork (12) lay respectively at support
(17) both sides, one end, push rod (16) and energy-stored spring (18) lay respectively at the other end of support (17)
Both sides.
Motor protection chopper the most according to claim 1, it is characterised in that: also include touching
Head push pedal (19), the top of contact support (1), described push rod (16) are located in contact push pedal (19)
Action drives contact push pedal (19) is carried out band moving contact and is supported (8) action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423387.6U CN205752059U (en) | 2016-05-11 | 2016-05-11 | Motor protection chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423387.6U CN205752059U (en) | 2016-05-11 | 2016-05-11 | Motor protection chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752059U true CN205752059U (en) | 2016-11-30 |
Family
ID=57369074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620423387.6U Withdrawn - After Issue CN205752059U (en) | 2016-05-11 | 2016-05-11 | Motor protection chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205752059U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369594A (en) * | 2016-05-11 | 2017-11-21 | 上海诺雅克电气有限公司 | Motor protection breaker |
| CN108417469A (en) * | 2018-05-16 | 2018-08-17 | 浙江中凯科技股份有限公司 | A kind of reclosing device |
-
2016
- 2016-05-11 CN CN201620423387.6U patent/CN205752059U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369594A (en) * | 2016-05-11 | 2017-11-21 | 上海诺雅克电气有限公司 | Motor protection breaker |
| CN107369594B (en) * | 2016-05-11 | 2019-10-11 | 上海诺雅克电气有限公司 | Motor protection breaker |
| CN108417469A (en) * | 2018-05-16 | 2018-08-17 | 浙江中凯科技股份有限公司 | A kind of reclosing device |
| CN108417469B (en) * | 2018-05-16 | 2023-09-26 | 浙江中凯科技股份有限公司 | Reclosing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205752059U (en) | Motor protection chopper | |
| JP5255731B2 (en) | Circuit breaker | |
| CN2829053Y (en) | Operation mechanism of automatic power supply changeover switch | |
| CN206148341U (en) | Rocker switch | |
| CN209266298U (en) | A kind of on-load switch | |
| CN105575736B (en) | A kind of side fills electric operation module | |
| CN104601048B (en) | The operating mechanism of the motor starter of the quick disjunction of energy | |
| CN107369594A (en) | Motor protection breaker | |
| CN201075354Y (en) | Sulfur hexafluoride switch outgoing line operating mechanism | |
| CN206148356U (en) | Indoor interchange vacuum load switch | |
| CN208970469U (en) | It is a kind of can quick-make miniature circuit breaker | |
| CN201780924U (en) | Tripping device for fuse protector of counterweight type load switch | |
| CN208298749U (en) | The combined floodgate mutual interlocking gear of on-pole switch | |
| CN206650021U (en) | On-load switch fuse combined electric apparatus | |
| CN104485244B (en) | Earthing switch integrated operating mechanism for circuit breaker | |
| CN103337386A (en) | Large output angle spring operating mechanism | |
| CN102915857A (en) | Wall-mounted switch | |
| CN203690227U (en) | Operating mechanism of circuit breaker | |
| CN201655629U (en) | Novel pole switch | |
| CN208722826U (en) | Breaker | |
| CN101807485B (en) | Tipping gear used for flip horizontal type isolating switch | |
| CN208298750U (en) | On-pole switch with built-in disconnecting switch | |
| CN113327824A (en) | Residual current operated circuit breaker operating device and residual current operated circuit breaker | |
| CN201387840Y (en) | Spring operating mechanism for miniature vacuum load switch or vacuum circuit breaker | |
| CN206022145U (en) | A kind of microswitch structure of breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20191011 |
|
| AV01 | Patent right actively abandoned |