CN211182127U - Automatic switching-on and switching-off device of intelligent miniature circuit breaker - Google Patents
Automatic switching-on and switching-off device of intelligent miniature circuit breaker Download PDFInfo
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- CN211182127U CN211182127U CN202020043481.5U CN202020043481U CN211182127U CN 211182127 U CN211182127 U CN 211182127U CN 202020043481 U CN202020043481 U CN 202020043481U CN 211182127 U CN211182127 U CN 211182127U
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Abstract
An automatic switching-on and switching-off device of an intelligent miniature circuit breaker is characterized in that a worm is mounted on a rotating shaft of a driving motor, the worm is matched with a meshing gear set for use, a half gear of a fourth gear is matched with a handle driving gear for use, and the handle driving gear is mounted on a handle driving square shaft; a straight gear of the first gear is arranged above the helical gear; a tripping shifting block is arranged on the fourth gear, a tripping rod is arranged on the side surface of the fourth gear, the tripping rod is matched with the tripping shifting block for use, and the tripping rod is fixedly arranged on the body universal driving shaft; a switching-on auxiliary elastic body is arranged on the handle driving gear and is matched with a half gear of the fourth gear for use; the body linkage shaft and the handle driving square shaft are connected with a circuit breaker; the utility model has reasonable structure design, reliable action and high practicability; the closing reliability of the product can be improved, the practical service life of the product is prolonged, and accidents are reduced.
Description
Technical Field
The utility model relates to a power equipment field especially relates to an automatic switching on/off device of intelligence miniature circuit breaker.
Background
The common automatic switching-on and switching-off device of the circuit breaker increases the output torque of a motor and reduces the rotating speed to supply power for switching-on and switching-off of the circuit breaker through a motor driving gear system. The circuit breaker mechanism is driven to be switched on through the gear mechanism, but the circuit breaker mechanism can be switched on only by requiring that the rotation angle of the gear is required to be consistent with the switching-on angle of a product handle, so that the requirements on the manufacturing precision and the matching precision of internal parts of the product are high, the manufacturing cost of the product is improved, and the gear tooth punching condition caused by the fact that the switching-on of the circuit breaker is not in place or the switching-on angle is too large can also occur; and common circuit breaker closes the separating brake device, closes the separating brake in-process through gear mechanism drive circuit breaker, and the motor needs just reversing to carry out work, and such long-time work can influence the life of motor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic switching on/off device of intelligence miniature circuit breaker to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an automatic switching-on and switching-off device of an intelligent miniature circuit breaker comprises a base, a driving motor, a worm, a gear positioning shaft, a tripping block, a tripping rod, a handle driving gear, a handle driving square shaft, a switching-on auxiliary elastic body and a body linkage shaft; the gear positioning shafts comprise four gears, and the gears comprise a first gear, a second gear, a third gear and a fourth gear; the gear positioning shaft comprises four gears which are respectively installed; the first gear comprises a straight gear and a helical gear, the fourth gear comprises a whole gear and a half gear, the second gear and the third gear respectively comprise a big gear and a small gear, and the big gear and the small gear are fixedly connected; the four gear positioning shafts are respectively connected with one gear; the handle driving square shaft is fixedly connected with the handle driving gear; the straight gear of the first gear is overlapped with the helical gear, the big gear and the small gear of the second gear are overlapped and fixedly connected with the big gear and the small gear of the third gear, and the whole gear and the half gear of the fourth gear are overlapped and fixedly connected with each other;
the worm is installed on a rotating shaft of the driving motor, the worm is meshed with a helical gear in the first gear, a straight gear in the first gear is meshed with a large gear of the second gear, a small gear of the second gear is meshed with a large gear of the third gear, a small gear of the third gear is meshed with the whole gear of the fourth gear, and the half gear of the fourth gear is meshed with the handle driving gear;
the half gear of the fourth gear is provided with the tripping shifting block, the side surface of the fourth gear is provided with the tripping rod, the tripping rod is matched with the tripping shifting block for use, and the tripping rod is fixedly arranged on the body linkage shaft; the handle driving gear is provided with the auxiliary closing elastic body and is matched with the half gear of the fourth gear for use;
the handle driving square shaft and the body linkage shaft are respectively connected with the breaker body.
Preferably, the worm has the same module as a helical gear in the first gear, a spur gear in the first gear has the same module as a bull gear in the second gear, a pinion gear in the second gear has the same module as a bull gear in the third gear, a pinion gear in the third gear has the same module as a full gear in the fourth gear, and the half gear in the fourth gear has the same module as the handle driving gear.
Preferably, a switching-on auxiliary elastic body mounting groove is formed in the handle driving gear, and the switching-on auxiliary elastic body is fixedly mounted in the switching-on auxiliary elastic body mounting groove.
Preferably, a tripping shifting block limiting groove is formed in the fourth gear, a tripping shifting block mounting position is arranged on the tripping shifting block, and the tripping shifting block is mounted on the fourth gear in a matched mode through the tripping shifting block mounting position and the tripping shifting block limiting groove.
Preferably, the auxiliary closing elastic body is made of an elastic material, and a tip of the auxiliary closing elastic body is designed to have a tooth-shaped structure similar to a gear at a position where the auxiliary closing elastic body mounting groove is exposed.
Preferably, when the switching-on operation is performed, when the handle driving gear rotates to the switching-on position, the driving motor still drives the handle driving gear to continue rotating, so that the switching-on auxiliary elastic body deforms until the small tooth which is abducted from the switching-on position is completely separated.
Preferably, when the handle driving gear rotates to the switching-on position, the position sensor is triggered to send a signal to indicate that the driving motor stops rotating; when the handle driving gear rotates to the brake separating position, the position sensor is triggered to send a signal, and the driving motor is indicated to stop rotating.
The utility model has the advantages that: the automatic switching-on and switching-off device of the intelligent miniature circuit breaker realizes switching-on and switching-off control of the circuit breaker by controlling the motor, has reasonable structural design, reliable action when in use and high practicability; supplementary elastomer structural design of combined floodgate, can guarantee that the product moves reliably at every turn and fully closes a floodgate and targets in place, beat tooth and the excessive wearing and tearing phenomenon of gear between the gear can not appear, can also improve the combined floodgate reliability of product, improve the practical life of product, reduce the emergence of accident. The design of the internal tripping mechanism keeps the motor to rotate in one direction all the time in the switching-on and switching-off process of the circuit breaker, and the rotation direction of the motor can not be repeatedly changed, so that the practical service life of the motor is prolonged, and the reliability of a product is further ensured.
Drawings
FIG. 1 is a schematic structural diagram of an automatic opening and closing device of a circuit breaker;
fig. 2 is a schematic structural view of an elastic auxiliary closing device inside an automatic opening and closing device of a circuit breaker;
FIG. 3 is a schematic diagram of a switching structure of an automatic switching device of the circuit breaker;
FIG. 4 is a schematic view of an internal driving gear of the automatic opening and closing device of the circuit breaker;
fig. 5 is a schematic structural diagram of a tripping shifting block of the automatic switching-on and switching-off device of the circuit breaker;
fig. 6 is a schematic diagram of an internal tripping structure of the automatic opening and closing device of the circuit breaker;
fig. 7 is a schematic view of a circuit breaker body structure;
in the figure, 1-base, 2-driving motor, 3-worm, 4-first gear, 5-second gear, 6-third gear, 7-fourth gear, 8-gear positioning shaft, 9-handle driving gear, 10-handle driving square shaft, 11-closing auxiliary elastomer, 12-tripping shifting block, 13-tripping rod, 14-body linkage shaft, 15-breaker body, 16-magnet mounting hole, 91-handle driving gear square hole, 92-closing auxiliary elastomer mounting groove, 111-closing auxiliary spring plate salient point, 112-gear-like gear tooth structure, 71-gear positioning hole, 72-tripping shifting block mounting square hole, 73-tripping shifting block limiting groove, 74-closing position abdicating big tooth, 75-closing position abdicating small tooth, 121-tripping shifting block beating abdicating point, 122-closing shifting block mounting position, 123-tripping shifting block tripping limiting rib, 124-tripping shifting block abdicating hole, 131, trip bar jumping point, 132, trip bar abdicating arc, 151, breaker handle, 152 and breaker shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
An automatic switching-on and switching-off device of an intelligent miniature circuit breaker is shown in a schematic structural diagram of fig. 1 and comprises a driving motor 2, a base 1, a worm 3, a gear positioning shaft 8, a handle driving gear 9, a handle driving square shaft 10, a switching-on auxiliary elastic body 11, a tripping shifting block 12, a tripping rod 13 and a body linkage shaft 14; the gear is a compound gear and comprises a first gear 4, a second gear 5, a third gear 6 and a fourth gear 7, wherein the first gear 4 comprises a helical gear and a straight gear, and the fourth gear 7 comprises a whole gear and a half gear; the second gear 5 and the third gear 6 both comprise a big gear and a small gear which are fixedly connected; the gear positioning shafts 8 comprise four gears and are respectively used for installing and fixing the gears; the driving motor 2 is arranged on the base 1, and the gear is fixedly arranged on the gear positioning shaft 8 through a gear positioning hole 71; the handle driving gear 9 is fixedly arranged on the handle driving square shaft 10 through a gear positioning hole 71; the straight gear of the first gear 4 and the helical gear are overlapped and fixedly connected, the big gear and the small gear of the second gear 5 and the third gear 6 are overlapped and fixedly connected, and the whole gear and the half gear of the fourth gear 7 are overlapped and fixedly connected;
the worm 3 is installed on a rotating shaft of the driving motor 2, the worm 3 is meshed with a helical gear in the first gear 4, a straight gear in the first gear 4 is meshed with a large gear of the second gear 5, a small gear of the second gear 5 is meshed with a large gear of the third gear 6, a small gear of the third gear 6 is meshed with the half gear of the fourth gear 7, and a whole gear of the fourth gear 7 is meshed with the handle driving gear 9; a switching-on auxiliary elastic body mounting groove 92 is formed in the handle driving gear 9 and is provided with the switching-on auxiliary elastic body 11; a tripping shifting block mounting square hole 72 is formed in the fourth gear 7, and the tripping shifting block 12 is mounted on the fourth gear; the tripping rod 13 is arranged on one side of the fourth gear 7 and connected with the body linkage shaft 14, and the tripping rod 13 is matched with the tripping shifting block 12 for use;
the handle driving square shaft 10 and the body linkage shaft 14 are respectively connected with a circuit breaker body 15.
The worm 3 has the same module as a helical gear in the first gear 4, a spur gear in the first gear 4 has the same module as a bull gear of the second gear 5, a pinion gear of the second gear 5 has the same module as a bull gear of the third gear 6, a pinion gear of the third gear 6 has the same module as a whole gear of the fourth gear 7, and a half gear of the fourth gear 7 has the same module as the handle driving gear 9.
As shown in fig. 2, the elastic auxiliary switching-on/off device in the switching-on/off device includes a handle driving gear 9, a handle driving square shaft 10 and a switching-on auxiliary elastic body 11, wherein the handle driving gear 9 is provided with a switching-on auxiliary elastic body mounting groove 92, a handle driving gear square hole 91 and a magnet mounting hole 16, and the switching-on auxiliary elastic body 11 is provided with a switching-on auxiliary elastic sheet convex point 111; the handle driving gear 9 is fixedly installed on the handle driving square shaft 10 through the handle driving gear square hole 91, and the auxiliary closing elastic body 11 is fixedly installed in the auxiliary closing elastic body 92 installation groove; the switching-on structure of the switching-on and switching-off device is shown in figure 3,
the structure of the driving gear in the switching-on/off device is shown in fig. 4, and the fourth gear 7 is provided with a gear positioning hole 71, a switching-on position abdicating big tooth 74, a switching-on position abdicating small tooth 75, a tripping shifting block mounting square hole 72, a magnet mounting hole 16 and a tripping shifting block limiting groove 73; the fourth gear is mounted on the gear positioning shaft 8 through the gear positioning hole 71; the structure of the tripping shifting block is shown in fig. 5, and the tripping shifting block comprises a tripping shifting block jumping point 121, a tripping shifting block mounting position 122, a tripping shifting block limiting rib 123 and a tripping shifting block abdicating hole 124; the trip block is mounted in the trip block mounting square hole 72 through the trip block mounting position 122; the internal tripping structure of the switching-on and switching-off device is shown as 6 and comprises a tripping rod 13 and a body linkage shaft 14; the trip bar 13 is provided with a trip bar jumping point 131, a linkage shaft mounting hole 133 and a trip bar abdicating arc 132; the trip bar 13 is mounted on the body linkage shaft 14 through the linkage shaft mounting hole 133;
the parts are assembled on the base through the gear positioning shaft.
The breaker body structure is shown in fig. 7, and comprises a breaker handle 151 and a breaker housing 152; the breaker handle 151 is connected to the body linkage shaft 14.
The working principle of the switching-on and switching-off device is as follows: when the driving motor 2 receives a control instruction, the torque force and the rotating speed output by the motor are transmitted to the first gear 4 through the worm 3 arranged on the driving motor 2, and finally transmitted to the handle driving gear 9 through the multi-gear meshing gear set, and the handle driving gear 9 drives the breaker body 15 to carry out switching on and off operations through the handle driving square shaft 10; the method specifically comprises the following steps: when a switching-on operation is performed, the driving motor 2 receives a switching-on control instruction, the driving motor 2 drives the gear set to rotate, when the handle driving gear 9 rotates to a switching-on position, the switching-on position sensor is triggered to send an instruction, at this time, the circuit breaker handle 151 and the circuit breaker shell 152 of the circuit breaker body 15 are limited and cannot rotate, but the switching-on auxiliary elastic body 11 and the switching-on position abdicating small tooth 75 are still in a contact position, the driving motor 2 continues to rotate, the switching-on auxiliary elastic body 11 is deformed until the switching-on auxiliary elastic body is completely separated from the switching-on position abdicating small tooth 75, the driving motor 2 and the handle driving gear 9 stop rotating, and the circuit breaker 15 completes the switching-on operation; when carrying out the separating brake operation, driving motor 2 drives the gear train continues to rotate to same direction, thereby drives on the fourth gear 7 dropout shifting block 12 rotates together, this moment handle drive gear 9 keeps static, when rotating dropout shifting block 12 with when the trip point position on the trip bar 13 contacts, body universal driving shaft 14 drives circuit breaker body 15 carries out the separating brake operation, this moment circuit breaker body 15 drives handle drive square shaft 10 rotates, thereby drives handle drive gear 9 is rotatory to the separating brake position, triggers separating brake position sensor afterwards and gives out the instruction, driving motor 2 stall, circuit breaker body 15 accomplishes the separating brake operation.
Examples
The auxiliary closing elastic body 11 is an auxiliary closing elastic piece, two auxiliary closing elastic piece bumps 111 are arranged on the auxiliary closing elastic piece, and two grooves are arranged in corresponding positions on the auxiliary closing elastic body mounting groove 92; the auxiliary closing spring is made of elastic material, and the position of the tail end of the auxiliary closing spring exposed out of the auxiliary closing spring installation groove 92 is designed to be a gear-like tooth structure 112 so as to be meshed with the small closing position abdicating tooth 75;
the spacing muscle 123 of the dropout shifting block on the dropout shifting block 12 with the dropout shifting block spacing groove 73 on the fourth gear 7 cooperatees, the design on the trip bar 13 have the trip bar to let the position arc 132 can effectual in the product separating brake in-process with the design arc above the dropout shifting block 12 lets the position, after having carried out the separating brake instruction, behind the separating brake of circuit breaker body 15, circuit breaker body 15 can also normal combined floodgate operation, does not influence the normal action of closing the separating brake of circuit breaker body 15.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect:
the automatic switching-on and switching-off device of the intelligent miniature circuit breaker realizes switching-on and switching-off control of the circuit breaker by controlling the motor, has reasonable structural design, reliable action when in use and high practicability; supplementary elastomer structural design of combined floodgate, can guarantee that the product moves reliably at every turn and fully closes a floodgate and targets in place, beat tooth and the excessive wearing and tearing phenomenon of gear between the gear can not appear, can also improve the combined floodgate reliability of product, improve the practical life of product, reduce the emergence of accident. The design of the internal tripping mechanism keeps the motor to rotate in one direction all the time in the switching-on and switching-off process of the circuit breaker, and the rotation direction of the motor can not be repeatedly changed, so that the practical service life of the motor is prolonged, and the reliability of a product is further ensured.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (7)
1. An automatic switching-on and switching-off device of an intelligent miniature circuit breaker is characterized by comprising a base, a driving motor, a worm, a gear positioning shaft, a tripping shifting block, a tripping rod, a handle driving gear, a handle driving square shaft, a switching-on auxiliary elastic body and a body linkage shaft; the gear positioning shafts comprise four gears, and the gears comprise a first gear, a second gear, a third gear and a fourth gear; the gear positioning shaft comprises four gears which are respectively installed; the first gear comprises a straight gear and a helical gear, the fourth gear comprises a whole gear and a half gear, the second gear and the third gear respectively comprise a big gear and a small gear, and the big gear and the small gear are fixedly connected; the four gear positioning shafts are respectively connected with one gear; the handle driving square shaft is fixedly connected with the handle driving gear; the straight gear of the first gear is overlapped with the helical gear, the big gear and the small gear of the second gear are overlapped and fixedly connected with the big gear and the small gear of the third gear, and the whole gear and the half gear of the fourth gear are overlapped and fixedly connected with each other;
the worm is installed on a rotating shaft of the driving motor, the worm is meshed with a helical gear in the first gear, a straight gear in the first gear is meshed with a large gear of the second gear, a small gear of the second gear is meshed with a large gear of the third gear, a small gear of the third gear is meshed with the whole gear of the fourth gear, and the half gear of the fourth gear is meshed with the handle driving gear;
the half gear of the fourth gear is provided with the tripping shifting block, the side surface of the fourth gear is provided with the tripping rod, the tripping rod is matched with the tripping shifting block for use, and the tripping rod is fixedly arranged on the body linkage shaft; the handle driving gear is provided with the auxiliary closing elastic body and is matched with the half gear of the fourth gear for use;
the handle driving square shaft and the body linkage shaft are respectively connected with the breaker body.
2. The automatic opening and closing device of an intelligent small circuit breaker as claimed in claim 1, wherein the worm has the same module as a helical gear in the first gear, a spur gear in the first gear has the same module as a bull gear in the second gear, a pinion gear in the second gear has the same module as a bull gear in the third gear, a pinion gear in the third gear has the same module as a bull gear in the fourth gear, and a half gear in the fourth gear has the same module as a handle driving gear.
3. The automatic opening and closing device of an intelligent miniature circuit breaker as claimed in claim 1, wherein said handle driving gear is provided with a closing auxiliary elastic body mounting groove, and said closing auxiliary elastic body is fixedly mounted in said closing auxiliary elastic body mounting groove.
4. The automatic switching device of an intelligent miniature circuit breaker as claimed in claim 1, wherein a tripping block limiting groove is formed on said fourth gear, a tripping block mounting position is formed on said tripping block, and said tripping block is mounted on said fourth gear by means of said tripping block mounting position and said tripping block limiting groove in a radial fit manner.
5. The automatic opening and closing device of an intelligent miniature circuit breaker as claimed in claim 1, wherein the auxiliary closing elastic body is made of an elastic material, and the end of the auxiliary closing elastic body is designed to be a tooth-shaped structure similar to a gear at the position of the installation groove where the auxiliary closing elastic body is exposed.
6. The automatic switching device of an intelligent miniature circuit breaker as claimed in claim 1, wherein when the handle driving gear rotates to the switching-on position during switching-on operation, the driving motor still drives the handle driving gear to continue rotating, so that the switching-on auxiliary elastic body deforms until the small tooth receding from the switching-on position is completely separated.
7. The automatic switching device of the intelligent miniature circuit breaker as claimed in claim 1, wherein when the handle driving gear rotates to the switching position, a position sensor is triggered to send a signal to instruct the driving motor to stop rotating; when the handle driving gear rotates to the brake separating position, the position sensor is triggered to send a signal, and the driving motor is indicated to stop rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020043481.5U CN211182127U (en) | 2020-01-09 | 2020-01-09 | Automatic switching-on and switching-off device of intelligent miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020043481.5U CN211182127U (en) | 2020-01-09 | 2020-01-09 | Automatic switching-on and switching-off device of intelligent miniature circuit breaker |
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| CN211182127U true CN211182127U (en) | 2020-08-04 |
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| CN202020043481.5U Active CN211182127U (en) | 2020-01-09 | 2020-01-09 | Automatic switching-on and switching-off device of intelligent miniature circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128617A (en) * | 2020-01-09 | 2020-05-08 | 北京北元电器有限公司 | Automatic switching-on and switching-off device of intelligent miniature circuit breaker |
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2020
- 2020-01-09 CN CN202020043481.5U patent/CN211182127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128617A (en) * | 2020-01-09 | 2020-05-08 | 北京北元电器有限公司 | Automatic switching-on and switching-off device of intelligent miniature circuit breaker |
| CN111128617B (en) * | 2020-01-09 | 2024-07-12 | 北京北元电器有限公司 | Automatic switching-on and switching-off device of intelligent miniature circuit breaker |
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