CN114530352A - Reclosing mechanism of intelligent molded case circuit breaker - Google Patents
Reclosing mechanism of intelligent molded case circuit breaker Download PDFInfo
- Publication number
- CN114530352A CN114530352A CN202210226752.4A CN202210226752A CN114530352A CN 114530352 A CN114530352 A CN 114530352A CN 202210226752 A CN202210226752 A CN 202210226752A CN 114530352 A CN114530352 A CN 114530352A
- Authority
- CN
- China
- Prior art keywords
- rack
- gear
- circuit breaker
- small
- large gear
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
Abstract
The invention provides a reclosing mechanism of an intelligent molded case circuit breaker, which comprises a motor, a large gear, a small gear, a rack, a fixed frame and a fixed screw, wherein the motor is connected with the large gear or the small gear, and the large gear or the small gear is connected with the rack; the fixed frame is connected with the large gear, the small gear and the rack, and the rack is connected with the handle part of the operating mechanism by the fixed screw; the upper end surface of the rack is provided with a hole capable of accommodating a fixing screw, and when the rack moves up and down, the fixing screw and an operating mechanism handle of the circuit breaker move up and down along with the rack; the side surface of the rack is provided with a square hole group matched with the gear, and the large gear or the small gear is matched with the rack to convert the circular motion of the gear into the reciprocating linear motion of the rack when rotating. The electric driving is realized by fixing the motor, the large gear, the small gear and the rack through the fixing frame, the mechanism can be integrally installed, and the electric driving device is convenient and efficient; the gear rack transmission is adopted, so that fewer parts are used, the structure is simple, and the occupied space of the mechanism motion is small.
Description
Technical Field
The invention belongs to the technical field of low-voltage electricity, and particularly relates to a reclosing mechanism of an intelligent molded case circuit breaker.
Background
At present, a reclosing mechanism of an intelligent molded case circuit breaker generally drives a gear set through a motor to drive a crank link mechanism to switch on and off. The structure has the advantages of large quantity of parts, complex assembly and large occupied internal space of the product.
Disclosure of Invention
The invention aims to provide a reclosing mechanism of an intelligent molded case circuit breaker, and the reclosing mechanism is used for solving the technical problem.
The invention provides a reclosing mechanism of an intelligent molded case circuit breaker, which comprises a motor, a large gear, a small gear, a rack, a fixed frame and a fixed screw, wherein the motor is connected with the large gear or the small gear, and the large gear or the small gear is connected with the rack; the fixed frame is connected with the large gear, the small gear and the rack, and the fixed screw connects the rack with the handle part of the operating mechanism of the circuit breaker;
the upper end surface of the rack is provided with a hole capable of accommodating the fixing screw, and when the rack moves up and down, the fixing screw and the operating mechanism handle of the circuit breaker move up and down along with the rack;
the side surface of the rack is provided with a square hole group matched with the gear, and when the large gear or the small gear rotates, the circular motion of the gear is converted into the reciprocating linear motion of the rack through the matching with the rack.
Further, the fixed frame accommodates the large gear, the small gear and the rack, and the large gear and the small gear are fixed on the fixed frame through rivets or screws.
Furthermore, the teeth in the large gear and the small gear are provided with interfaces connected with the motor.
Compared with the prior art, the invention has the beneficial effects that:
1) adopt neotype drive mode, realize electric drive through the fixed mode of fixed frame through motor, gear wheel, pinion, rack, can carry out integral installation, convenient high efficiency with this mechanism.
2) The gear and rack transmission is adopted, so that the number of parts is small, the structure is simple, and the occupied space of the mechanism movement is small.
Drawings
Fig. 1 is a schematic diagram of a reclosing mechanism of an intelligent molded case circuit breaker in a closing state in an embodiment of the invention;
fig. 2 is a schematic diagram of the reclosing mechanism of the intelligent molded case circuit breaker in an opening state in the embodiment of the invention;
fig. 3 is a schematic structural view of a reclosing mechanism of the intelligent molded case circuit breaker of the present invention.
The labels in the figure are:
10. a motor; 20. a pinion gear; (30a, 30b), a fixing frame; 40. a bull gear; 50. a rack; 60. a set screw; 70. an operating mechanism handle of the circuit breaker; 80. an aperture; 90. a group of square holes; 100. and (4) screws.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a reclosing mechanism of a molded case circuit breaker, including a motor 10, a pinion 20, a fixed frame (30a, 30b), a bull gear 40, a rack 50, and a fixing screw 60, wherein the motor 10 is connected with the bull gear 40 or the pinion 20, and the bull gear 40 or the pinion 20 is connected with the rack 50. The fixed frames (30a, 30b) are connected with the large gear 40, the small gear 20 and the rack 50, and the fixed screw 60 is used for connecting the rack 50 and the operating mechanism handle 70 part of the circuit breaker.
The upper end surface of the rack 50 is provided with a hole 80 for accommodating a fixing screw, and when the rack 50 moves up and down, the fixing screw 60 and the operating mechanism handle 70 (switching-on/off component) of the circuit breaker can move up and down along with the fixing screw.
The rack 50 is flanked by a set of square holes 90 that cooperate with the gears (20 or 40). The large gear 40 and the small gear 20 are connected with a rack 50. The gear (20 or 40) can convert the circular motion of the gear into the reciprocating linear motion of the rack by cooperating with the rack 50 when rotating.
The rack 50 is provided with fixed rack fixing frames (30a, 30b) at the upper and lower parts, the fixed frames (30a, 30b) can accommodate the bull gear 40 and the pinion gear 20, and the rack 30 is connected by rivets or screws 100.
The large gear 40 and the small gear 20 are provided with interfaces connected with a motor. The large gear 40 and the small gear 20 are fixed on the fixed frames (30a, 30b) by rivets or screws 100.
The operating principle of the reclosing mechanism is as follows:
referring to fig. 1, when the circuit breaker is switched on, the motor 10 rotates, the rack gear 40 and the pinion gear 20 drive the rack gear 50 to move upwards, and the rack gear 40 drives the operating mechanism handle 70 of the circuit breaker to move upwards, so that the circuit breaker is switched on. Referring to fig. 2, when the brake is opened, the motor 10 rotates, the rack gear 40 and the pinion gear 20 drive the rack gear 50 to move downwards, and the rack gear 40 drives the operating mechanism handle 70 of the circuit breaker to move downwards, so that the circuit breaker is opened.
This moulded case circuit breaker's reclosing mechanism has following technological effect:
1) adopt neotype drive mode, realize electric drive through the fixed mode of fixed frame through motor, gear wheel, pinion, rack, can carry out integral installation, convenient high efficiency with this mechanism.
2) The gear and rack transmission is adopted, so that the number of parts is small, the structure is simple, and the occupied space of the mechanism movement is small.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. A reclosing mechanism of an intelligent molded case circuit breaker is characterized by comprising a motor, a large gear, a small gear, a rack, a fixed frame and a fixed screw, wherein the motor is connected with the large gear or the small gear, and the large gear or the small gear is connected with the rack; the fixed frame is connected with the large gear, the small gear and the rack, and the fixed screw connects the rack with the handle part of the operating mechanism of the circuit breaker;
the upper end surface of the rack is provided with a hole capable of accommodating the fixing screw, and when the rack moves up and down, the fixing screw and the operating mechanism handle of the circuit breaker move up and down along with the rack;
the side surface of the rack is provided with a square hole group matched with the gear, and when the large gear or the small gear rotates, the circular motion of the gear is converted into the reciprocating linear motion of the rack through the matching with the rack.
2. The reclosing mechanism of the intelligent molded case circuit breaker according to claim 1, wherein the fixed frame accommodates the large gear, the small gear, and the rack gear, and the large gear and the small gear are fixed to the fixed frame by rivets or screws.
3. The reclosing mechanism of the intelligent molded case circuit breaker according to claim 2, wherein the teeth of the large gear and the small gear have an interface to the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210226752.4A CN114530352A (en) | 2022-03-09 | 2022-03-09 | Reclosing mechanism of intelligent molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210226752.4A CN114530352A (en) | 2022-03-09 | 2022-03-09 | Reclosing mechanism of intelligent molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114530352A true CN114530352A (en) | 2022-05-24 |
Family
ID=81627243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210226752.4A Pending CN114530352A (en) | 2022-03-09 | 2022-03-09 | Reclosing mechanism of intelligent molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114530352A (en) |
-
2022
- 2022-03-09 CN CN202210226752.4A patent/CN114530352A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216902760U (en) | Reclosing mechanism of intelligent molded case circuit breaker | |
| CN110310871A (en) | Automatic divide-shut brake breaker | |
| CN208444773U (en) | A kind of outdoor high-voltage vacuum breaker | |
| CN114530352A (en) | Reclosing mechanism of intelligent molded case circuit breaker | |
| CN201359940Y (en) | Interlocking mechanism of isolating switch and circuit breaker | |
| CN203325793U (en) | Permanent magnetic and spring double operation mechanism on outdoor three-phase upright column type vacuum circuit breaker | |
| CN2857195Y (en) | Electric steering mechanism for high voltage disconnecting switch | |
| CN209822577U (en) | Mechanism embedded type molded case circuit breaker | |
| CN112786402A (en) | Quick automatic closing mechanism of molded case circuit breaker and molded case circuit breaker with same | |
| CN212296040U (en) | Window opener capable of being manually clutched | |
| CN109243928B (en) | Mechanism embedded molded case circuit breaker | |
| CN202905491U (en) | Breaker manual and electric integrated operating mechanism | |
| CN214012877U (en) | Quick automatic closing mechanism of molded case circuit breaker and molded case circuit breaker with same | |
| CN218160216U (en) | Manual closing mechanism of plastic shell | |
| CN204696025U (en) | A kind of heat radiation outdoor vacuum circuit breaker | |
| CN103280373B (en) | Permanent magnetism in outdoor three-phase column vacuum breaker and spring dual operation mechanisms | |
| CN202996735U (en) | Hand-operated and automatic integration opening and closing apparatus for residual-current operation breaker | |
| CN2886794Y (en) | Direct push type manual and auto switching off device for leakage breaker | |
| CN112992621A (en) | Circuit breaker electricity behaviour integration modular structure device | |
| CN215342468U (en) | Transmission system applied to molded case circuit breaker and molded case circuit breaker | |
| CN113707503B (en) | Automatic closing device of miniature circuit breaker | |
| CN201256106Y (en) | High voltage switch operation mechanism | |
| CN2473729Y (en) | Electric switch-on device | |
| CN216818248U (en) | Intelligent control device of circuit breaker | |
| CN211828664U (en) | Electric operating module of circuit 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 |