CN214378289U - Linkage device of lock catch, moving contact seat and moving contact of circuit breaker - Google Patents
Linkage device of lock catch, moving contact seat and moving contact of circuit breaker Download PDFInfo
- Publication number
- CN214378289U CN214378289U CN202023197796.4U CN202023197796U CN214378289U CN 214378289 U CN214378289 U CN 214378289U CN 202023197796 U CN202023197796 U CN 202023197796U CN 214378289 U CN214378289 U CN 214378289U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- moving contact
- connecting rod
- arm
- movable contact
- 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
Links
- 238000005452 bending Methods 0.000 claims abstract description 12
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 6
- 229920000426 Microplastic Polymers 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a circuit breaker, especially the linkage of inside hasp of circuit breaker, movable contact seat and moving contact. The following technical scheme is adopted: a lock catch, a moving contact seat and a linkage device of a moving contact of a circuit breaker are disclosed, wherein a mounting column is arranged on the moving contact seat, the lock catch and the moving contact are movably sleeved on the mounting column, a chute capable of allowing the end part of a connecting rod of the circuit breaker to slide is arranged at the upper end part of the moving contact seat, the chute comprises a bending part and a straight part, a contact arm is arranged at the upper end of the lock catch, an abutting surface is arranged on the contact arm, the abutting surface is matched with the bending part of the chute after the circuit breaker is disconnected and can lock the end part of the connecting rod of the circuit breaker, and a handle can be pushed to close the circuit breaker at the moment; by adopting the scheme; the utility model provides an accessible mechanics principle and mechanics principle reduce the part, and metal or plastic granules can fall into corresponding recess or space, do not influence the aggregate unit of hasp, movable contact seat and the movable contact of the neotype circuit breaker of movable contact action.
Description
Technical Field
The utility model relates to a circuit breaker, especially the linkage of inside hasp of circuit breaker, movable contact seat and moving contact.
Background
Traditional circuit breaker product mechanism has generally set up the lever, hasp and jump and detain, the structure is complicated with high costs, the unfavorable automatic assembly of volume is detained in the jump, and the product part is many, the product has the risk of inefficacy, design an accessible mechanics principle and mechanicals principle now and reduce the part, get rid of the jump and detain and make the broken circuit that the power of taking off of product reduces, traditional circuit breaker product fixed establishment adopts the metal axle, because of the metal axle electric conduction has the problem of L utmost point N utmost point electric clearance undersize or divides the withstand voltage breakdown problem of back L utmost point and N utmost point to all be provided with the product of contact to 1P + N or L utmost point N utmost point, consequently, do not adopt the metal axle to realize the location to the cooperation of lever and shell to the product location. In the mechanical motion in-process between traditional circuit breaker lever and the moving contact, the friction produces plastics or metal particles and influences the contact motion, has consequently set up the moving contact activity conflict face corresponding with the moving contact and has made the moving contact touch inconsistent with the end, and metal or plastic granules can fall into corresponding recess in, make and do not influence the moving contact action, and the plastic granules that traditional hasp and lever motion in-process friction produced can make and take off a mouthful power increase, influences the action characteristic of product.
Disclosure of Invention
The utility model overcomes the problem that prior art exists provides an accessible mechanics principle and reduces the part, and metal or plastic granules can fall into corresponding recess or space, do not influence the hasp of the neotype circuit breaker of moving contact action, move the aggregate unit of contact seat and moving contact.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a linkage of hasp, moving contact seat and moving contact of circuit breaker, including hasp, moving contact seat and moving contact, hasp and moving contact all set up on moving contact seat, realize the linkage setting through the torsional spring between moving contact and the moving contact seat, its characterized in that: the movable contact seat is provided with an installation column, the lock catch and the movable contact are movably sleeved on the installation column, the upper end part of the movable contact seat is provided with a sliding groove for the end part of the connecting rod of the circuit breaker to slide, the sliding groove comprises a bending part and a straight part, the upper end of the lock catch is provided with a touch arm, the touch arm is provided with a touch surface, the touch surface is matched with the bending part of the sliding groove after the circuit breaker is disconnected to lock the end part of the connecting rod of the circuit breaker, and the handle can be pushed to close the circuit breaker; after the circuit breaker is switched on, the offline mechanism of the circuit breaker acts on the lock catch to enable the lock catch to rotate, then the abutting surface loses the locking of the end part of the connecting rod, and at the moment, the end part of the connecting rod can slide into the straight part of the sliding groove to realize the disconnection of the circuit breaker.
Through adopting above-mentioned scheme, adopt a new mode to realize the locking or the unblock to circuit breaker connecting rod tip, simple structure, convenience, reliable like this, the conflict face and the spout cooperation through the hasp in addition, as long as the control hasp rotates can, very practical.
The utility model discloses a further setting is: the outside that lies in the conflict face on the conflict arm is provided with the inclined plane, the hasp top and be located the below of conflict arm and be provided with and dial the arm, conflict arm and dial and be the fork between the arm and open the setting and form the fork mouth, the width of this fork mouth is greater than the connecting rod tip diameter of circuit breaker, dials the arm upper flank and can stir the connecting rod tip that makes the circuit breaker when the circuit breaker separating brake straight portion that the connecting rod tip slided into the spout to the connecting rod tip of circuit breaker.
Through adopting above-mentioned scheme, wherein the guide connecting rod tip that the setting on inclined plane can be fine gets into the spout flexion, the card pause phenomenon can not appear, dials the setting of arm and can stir the connecting rod tip when the circuit breaker disconnection and slide into the straight portion of spout, and we explain here that circuit breaker separating brake is the automatic separating brake of circuit breaker, and not the manual operating handle separating brake, can ensure that circuit breaker separating brake can succeed like this, increases the security of product.
The utility model discloses a further setting is: the contact arm and the shifting arm are arranged in a staggered mode, a positioning boss is arranged below the sliding groove of the movable contact seat, the upper side face of the positioning boss and the lower side face of the bending portion of the sliding groove are integrally arranged to form a pressing face, the pressing face and the pressing face are matched to lock the end portion of the connecting rod of the circuit breaker, so that the end portion of the connecting rod of the circuit breaker is arranged in the bending portion of the sliding groove, and the shifting arm is arranged on the outer side face of the positioning boss.
Through adopting above-mentioned scheme, the structure is more reasonable, and wherein the part upper flank of location boss personally submits the integration with the lower side of spout flexion and sets up the constitution and support the pressure face, and it is bigger to support the pressure face like this, and the locking connecting rod tip can be more firm, increases the stability of product.
The utility model discloses a further setting is: the bottom both sides of spout are provided with the recess, the bottom of erection column is provided with the arc projection around its week, forms the breach between arc projection and the arc projection, be provided with circular through-hole on the hasp, the hasp is established on the arc projection through circular through-hole cover, it is provided with protruding muscle to move the periphery that just is located the erection column on the contact seat, hasp medial surface and protruding muscle contact.
Through adopting above-mentioned scheme, assurance hasp pivoted flexibility that arc projection can be fine, arc projection and breach also can be fine prevent that metal particle or dust from gluing hasp and moving contact seat.
The utility model discloses a last setting is: the moving contact cover is established on the erection column and its side is contradicted or is pressed close to the tip at the arc projection, the below of location boss is provided with the torsion spring seat, it is equipped with the locating piece to lie in the spring holder below on the moving contact seat, be provided with the bayonet socket on the moving contact, the torsional spring is also established on the erection column, the first torsion arm of torsional spring is contradicted on the torsion spring seat, the second torsion arm of torsional spring is contradicted on the bayonet socket of moving contact, be provided with on the moving contact with the locating piece cooperation restriction moving contact's spacer, the moving contact passes through the torsional spring setting on the moving contact seat, the moving contact can rotate on the moving contact seat under the effect of external force, all set up on the front and back both sides face of hasp and separate arc boss or protruding muscle.
By adopting the scheme, the moving contact is reasonable to mount, and particularly, the moving contact can be firstly pushed to be disconnected by the mechanism under the heavy current condition, so that the safety of a product is improved.
The present invention will be further described with reference to the following specific embodiments.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a perspective view of a moving contact base according to an embodiment of the present invention;
FIG. 3 is a structural diagram of the latch according to an embodiment of the present invention;
fig. 4 is a structural diagram of the locking device cooperating with the moving contact according to the embodiment of the present invention;
FIG. 5 is a diagram of a locking reflecting fork according to an embodiment of the present invention;
fig. 6 is a rear view structural diagram of the lock catch according to the embodiment of the present invention;
fig. 7 is a structural diagram of the engagement between the latch and the movable contact base at the product disconnection position according to the embodiment of the present invention;
fig. 8 is a structural diagram of the product of the present invention when the latch just starts to close is engaged with the movable contact base;
fig. 9 is a structural diagram of the engagement between the latch and the movable contact base in the closing process of the product according to the embodiment of the present invention;
fig. 10 is a structural diagram of the engagement between the latch and the movable contact base after the product of the embodiment of the present invention is closed;
fig. 11 is a structural diagram of the cooperation between the latch and the movable contact base when the product of the embodiment of the present invention is about to be disengaged;
fig. 12 is a structural diagram of the engagement between the latch and the movable contact base when the product of the embodiment of the present invention is forcibly released;
fig. 13 is a structural diagram of the cooperation of the latch and the movable contact base in the handle returning process after the product of the embodiment of the present invention is released;
fig. 14 is a structural diagram of the matching between the latch and the moving contact base when the moving contact of the mechanism is knocked open by the electromagnetic mechanism in the case of short circuit of the product of the present invention;
fig. 15 is a structural diagram of the locking and moving contact seat cooperation when the moving contact of the mechanism is not returned after being knocked open by the electromagnetic mechanism when the product of the utility model is in short circuit.
Detailed Description
As shown in fig. 1-15, a linkage device of a latch, a movable contact seat and a movable contact of a circuit breaker comprises a latch 1, a movable contact seat 2 and a movable contact 3, wherein the latch 1 and the movable contact 3 are both disposed on the movable contact seat 2, the movable contact 3 herein is an L-pole movable contact, and an N-pole movable contact can be disposed on the reverse side of the movable contact seat 2, which is set as required, and it is not described in detail herein, that the movable contact 3 and the movable contact seat 2 are linked by a torsion spring 5, in the embodiment of the present invention, a mounting post 21 is disposed on the movable contact seat 2, the latch 1 and the movable contact 3 are movably sleeved on the mounting post 21, a chute 211 for sliding of an end 4 of a connecting rod of the circuit breaker is disposed at the upper end of the movable contact seat 2, the chute 211 comprises a bending portion 1 and a straight portion 2112, a contact arm 11 is disposed at the upper end of the latch 2111, the contact arm 11 is provided with a contact surface 111, and the contact surface 111 cooperates with the bending portion 2111 of the chute 211 after the circuit breaker is disconnected to lock the end 4 of the circuit breaker connecting rod, and at this time, the handle can be pushed to close the circuit breaker, as shown in fig. 8 and 9; after the circuit breaker is closed, the offline mechanism of the circuit breaker operates the latch 1 to rotate the latch 1, the contact surface 111 loses the locking of the end portion 4 of the connecting rod, and at this time, the end portion 4 of the connecting rod can slide into the straight portion 2112 of the sliding groove 211 to open the circuit breaker, as shown in fig. 14 and 15. Through adopting above-mentioned scheme, adopt a new mode to realize the locking or the unblock to circuit breaker connecting rod tip 4, simple structure, convenience like this, in addition through the conflict face 111 and the spout 211 cooperation of hasp 1, as long as control hasp 1 rotates can, very practical and dependable performance.
The embodiment of the utility model provides an in, the outside that lies in conflict face 111 on the arm 11 of keeping touch is provided with inclined plane 112, 1 top of hasp and the below that lies in arm 11 of keeping touch are provided with dials arm 12, and arm 11 and dial are fork opening between the arm 12 and set up and form fork mouth 13, and the width of this fork mouth 13 is greater than the diameter of the connecting rod tip 4 of circuit breaker, dials arm 12 upper flank 121 and can stir connecting rod tip 4 of circuit breaker when the circuit breaker separating brake and make connecting rod tip 4 of circuit breaker slide into straight portion 2112 of spout 211. Through adopting above-mentioned scheme, wherein the setting of inclined plane 112 can be fine guide connecting rod tip 4 gets into spout 211 flexion 2111, the card pause phenomenon can not appear, dials the setting of arm 12 and can stir connecting rod tip 4 and slide into the straight portion 2112 of spout when the circuit breaker disconnection, it needs to explain here circuit breaker separating brake is the automatic separating brake of circuit breaker, not the manual operating handle separating brake, above-mentioned structure can ensure that circuit breaker separating brake can succeed, increases the security of product.
In the embodiment of the utility model provides an in, the setting of offsetting of arm 11 and dialling arm 12, it is provided with location boss 22 to move the spout 211 below of contact seat 2, and the side 221 is personally submitted the integration with the downside of spout 211 flexion 2111 on the part of location boss 22 and is set up and constitute to support the face 221, should support the face 221 and can lock the connecting rod tip 4 that makes the circuit breaker with the cooperation of face 111 of contradicting and arrange the flexion 2111 of spout 211 in connecting rod tip 4 of circuit breaker, dial arm 12 and arrange the lateral surface of location boss 22 in. By adopting the scheme, the structure is more reasonable, the upper side surface 221 of the part of the positioning boss 22 and the lower side surface of the bent part 2111 of the sliding groove 211 are integrally arranged to form the pressing surface 221, so that the pressing surface 221 is larger, the end part 4 of the locking connecting rod is more stable, and the stability of a product is improved.
In the embodiment of the present invention, the bottom both sides of the sliding groove 211 are provided with the groove 21111, the bottom of the mounting post 21 is provided with the arc-shaped protruding column 212 around one of them, a notch is formed between the arc-shaped protruding column 212 and the arc-shaped protruding column 212, the lock catch 1 is provided with the circular through hole 14, the lock catch 1 is sleeved on the arc-shaped protruding column 212 through the circular through hole 14, the periphery on the movable contact seat 2 and located the mounting post 21 is provided with the convex rib 213, and the inner side surface of the lock catch 1 contacts with the convex rib 213. Through adopting above-mentioned scheme, assurance hasp 1 pivoted flexibility that can be fine, also can be fine prevent that metal particles or dust from gluing hasp 1 and moving contact base 2.
In the embodiment of the present invention, the movable contact 3 is sleeved on the mounting post 21, and the side surface thereof is abutted against or pressed close to the end portion of the arc-shaped protruding column 212, the positioning boss 22 is provided with a torsion spring seat 222 below, the positioning block 23 is provided below the spring seat 222 of the movable contact seat 2, the movable contact 3 is provided with a bayonet 31, the torsion spring 5 is also sleeved on the mounting post 21, the first torsion arm of the torsion spring 5 is abutted against the torsion spring seat 222, the second torsion arm of the torsion spring 5 is abutted against the bayonet 31 of the movable contact 3, the movable contact 3 is provided with a positioning piece 32 which is matched with the positioning block 23 to limit the movable contact, the movable contact 3 is arranged on the movable contact seat 2 through the torsion spring 5, the movable contact 3 can rotate on the movable contact seat 2 under the external force, thus, the mechanism can firstly push the movable contact to be disconnected under the condition of large current, and the safety of the product is increased, the arc-isolating bosses or the convex ribs 15 are arranged on the front and back of the two side surfaces of the latch 1, the arc isolating bosses and the convex ribs are arranged to prevent electric arcs from passing through and increase creepage distance.
Claims (6)
1. The utility model provides a linkage of hasp, moving contact seat and moving contact of circuit breaker, including handle, hasp, moving contact seat and moving contact, be provided with the connecting rod between handle and the moving contact seat, the first end of connecting rod is connected on the handle, the second end connection of connecting rod is on moving the contact seat, hasp and moving contact all set up on moving the contact seat, realize the linkage through the torsional spring between moving contact and the moving contact seat and set up its characterized in that: the movable contact seat is integrally provided with an installation column, the lock catch and the movable contact are movably sleeved on the installation column, the upper end part of the movable contact seat is provided with a sliding groove for the end part of the connecting rod of the circuit breaker to slide, the sliding groove comprises a bending part and a straight part, the upper end of the lock catch is provided with a touch arm, the touch arm is provided with a touch surface, the touch surface is matched with the bending part of the sliding groove to lock the second end of the connecting rod of the circuit breaker after the circuit breaker is disconnected, and the handle can be pushed to close the circuit breaker; after the circuit breaker is switched on, the offline mechanism of the circuit breaker acts on the lock catch to enable the lock catch to rotate, then the collision surface loses the locking of the second end of the connecting rod, and at the moment, the second end of the connecting rod can slide into the straight part of the sliding groove to realize the disconnection of the circuit breaker.
2. The linkage assembly of the latch, the moving contact block and the moving contact of the circuit breaker according to claim 1, wherein: the crooked portion of spout is being close to the one end downwarping of handle, and the downside of crooked portion is provided with supports presses spacing face, and the second end of connecting rod is contradicted on supporting pressing spacing face after the circuit breaker combined floodgate, and the contained angle between the thrust direction that the handle produced to the connecting rod second end and the thrust direction that supports pressing spacing face production to the connecting rod second end this moment is less than 180 degrees.
3. The linkage device of the latch, the moving contact block and the moving contact of the circuit breaker according to claim 1 or 2, characterized in that: the outside that lies in the conflict face on the conflict arm is provided with the inclined plane that can supply connecting rod second end to slide in spout flexion, the hasp top and be located the below of conflict arm and be provided with and dial the arm, conflict arm and dial and be the fork between the arm and set up and form the fork mouth, the width of this fork mouth is greater than the diameter that the connecting rod second of circuit breaker was held, dials the arm upper flank and can stir the connecting rod second of circuit breaker when the circuit breaker separating brake and make the straight portion that the connecting rod second end of circuit breaker slided in the spout.
4. The linkage of the latch, the moving contact block and the moving contact of the circuit breaker according to claim 3, wherein: the contact arm and the shifting arm are arranged in a staggered mode, a positioning boss is arranged below the sliding groove of the movable contact seat, the upper side face of the part of the positioning boss and the lower side face of the bending portion of the sliding groove are integrally arranged to form a pressing limiting face, the pressing limiting face and the pressing face are matched, the second end of the connecting rod of the circuit breaker can be locked, the second end of the connecting rod of the circuit breaker can be placed in the bending portion of the sliding groove, and the shifting arm is placed on the outer side face of the positioning boss.
5. The linkage of the latch, the moving contact block and the moving contact of the circuit breaker according to claim 4, wherein: the bottom both sides of spout are provided with the recess, the bottom of erection column is provided with the arc projection around its week, forms the breach between arc projection and the arc projection, be provided with circular through-hole on the hasp, the hasp is established on the arc projection through circular through-hole cover, it is provided with protruding muscle to move the periphery that just is located the erection column on the contact seat, hasp medial surface and protruding muscle contact.
6. The linkage assembly of the latch, the moving contact block and the moving contact of the circuit breaker according to claim 5, wherein: the movable contact sleeve is established on the erection column and its side is contradicted or is pressed close to the tip at the arc projection, the below of location boss is provided with the stopper, form the location mouth between stopper and the movable contact seat, it is equipped with the locating piece to lie in location boss below on the movable contact seat, be provided with the bayonet socket on the movable contact, it is provided with the cavity just to lie in bayonet socket department of correspondence on the movable contact seat, the torsional spring is also established on the erection column, the first torque arm of torsional spring is contradicted on the location mouth, the second torque arm of torsional spring is contradicted on the bayonet socket of movable contact, and insert in the cavity after the second torque arm tip is buckled, on the movable contact and lie in and be provided with the spacer between location boss and the locating piece, the spacer is through the conflict restriction movable contact turned angle with location boss or locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197796.4U CN214378289U (en) | 2020-12-25 | 2020-12-25 | Linkage device of lock catch, moving contact seat and moving contact of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197796.4U CN214378289U (en) | 2020-12-25 | 2020-12-25 | Linkage device of lock catch, moving contact seat and moving contact of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378289U true CN214378289U (en) | 2021-10-08 |
Family
ID=77947612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023197796.4U Active CN214378289U (en) | 2020-12-25 | 2020-12-25 | Linkage device of lock catch, moving contact seat and moving contact of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378289U (en) |
-
2020
- 2020-12-25 CN CN202023197796.4U patent/CN214378289U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112582232A (en) | Linkage device of lock catch and moving contact of circuit breaker | |
| CN112530759A (en) | Linkage device of lock catch, moving contact seat and moving contact of circuit breaker | |
| CN112530757A (en) | Moving contact operating mechanism of circuit breaker | |
| CN214378289U (en) | Linkage device of lock catch, moving contact seat and moving contact of circuit breaker | |
| CN110011131B (en) | Safety socket | |
| CN112490089A (en) | Locking device of circuit breaker | |
| US6664490B2 (en) | Switching mechanism and electric switch using the same | |
| CN214378292U (en) | Linkage device of lock catch and moving contact of circuit breaker | |
| CN112563084A (en) | Locking device of circuit breaker | |
| CN109209084B (en) | Door closure locking device for household appliances | |
| CN109138620B (en) | Door lock | |
| US4866961A (en) | Non-contact automatic latch lock | |
| CN112563085A (en) | Moving contact mechanism of circuit breaker | |
| CN201237978Y (en) | Energy pre-accumulation switch-on mechanism of operating mechanism for circuit breaker | |
| CN214226846U (en) | Moving contact operating mechanism of circuit breaker | |
| CN213877914U (en) | Anti-false-opening rocker switch | |
| US6717085B2 (en) | Press-button switch | |
| CN110932462B (en) | Electric push rod with anti-shake and scour protection journey function | |
| CN214226848U (en) | Locking device of circuit breaker | |
| CN216102611U (en) | Scooter hasp structure | |
| CN205016442U (en) | Push button automatic re -setting switch | |
| CN220138189U (en) | Arc toggle switch and electric heater | |
| CN217602347U (en) | Electric control fuel tank cap assembly and motorcycle using same | |
| CN220234734U (en) | Mobile phone bracket | |
| CN211703741U (en) | Suitcase pull rod capable of being locked and unlocked through pressing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |