CN214428500U - Combined electrical appliance mechanism - Google Patents
Combined electrical appliance mechanism Download PDFInfo
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- CN214428500U CN214428500U CN202120980997.7U CN202120980997U CN214428500U CN 214428500 U CN214428500 U CN 214428500U CN 202120980997 U CN202120980997 U CN 202120980997U CN 214428500 U CN214428500 U CN 214428500U
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- isolation
- shaft
- wheel
- energy storage
- crank arm
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Abstract
The utility model relates to a combined electrical appliance mechanism, which comprises an input shaft, a middle shaft, a crank arm shaft, a half shaft and an output cam; the crank arm shaft is connected with a closing energy storage spring; the input shaft is sleeved with an isolation dial wheel and a driving wheel, the isolation dial wheel is connected with a brake-separating energy storage spring, and the driving wheel is connected with an output cam; a closing transmission mechanism is arranged between the crank arm shaft and the driving wheel; a brake separating energy storage mechanism is arranged between the intermediate shaft and the isolation dial wheel; a locking notch is arranged on the half shaft; the energy of the brake-separating energy-storing spring is released to drive the isolating shifting wheel to rotate reversely, and the isolating shifting wheel drives the output cam to perform brake-separating operation through the driving wheel. The utility model discloses a combined electrical apparatus mechanism to combined floodgate, separating brake operation, more stable, reliable.
Description
Technical Field
The utility model relates to a power equipment field, concretely relates to combined electrical apparatus mechanism.
Background
The combined electrical apparatus is used for connecting a load switch and outputting rotating forces of closing, opening and grounding (grounding opening and grounding closing) to the load switch.
The existing combined electrical appliance mechanism can refer to the patent of my prior application, and the patent name is as follows: but load switch of quick separating brake of energy storage, patent number: 201921184693.9, respectively; in this patent, an energy storage mechanism is added to the first operating shaft, the energy storage mechanism including a coil spring and an energy storage spring, the coil spring being disposed directly outside the first operating shaft, the energy storage spring being connected to the first operating shaft through a drive lever.
The energy storage mechanism in the load switch has the following problems: when the first operating shaft is static, the acting force of the coil spring and the energy storage spring is simultaneously applied, the elastic force of the coil spring and the energy storage spring can influence each other, in practice, the torsion provided by the coil spring to the first operating shaft is far smaller than the torsion provided by the energy storage spring to the first operating shaft, if the force of the energy storage spring is too much larger than that of the coil spring, when the coil spring releases energy to drive the first operating shaft to rotate in a brake-separating way, the brake-separating force is insufficient, and the brake-separating is not in place;
in the past, in order to take the influence of the spring of the energy storage spring on the coil spring into consideration, some energy storage springs with smaller elasticity can be selected, but if the elasticity of the energy storage springs is too small, the energy storage springs can be influenced to carry out switching-on operation on the first operating shaft.
Therefore, as described above, in the conventional load switch mechanism, the coil spring and the energy storage spring connected to the first operating shaft are mutually affected, and the coil spring cannot perform the effective opening operation on the first operating shaft.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the combined electrical appliance mechanism is provided, and the problem that the combined electrical appliance cannot stably output the opening rotating force due to the small rotating force of the coil spring in the conventional combined electrical appliance mechanism is solved.
The utility model provides a technical scheme that its technical problem adopted is:
there is provided a combined electrical apparatus comprising
The device comprises an input shaft, an intermediate shaft, a crank arm shaft, a half shaft and an output cam;
the input shaft, the intermediate shaft and the crank arm shaft synchronously rotate;
the crank arm shaft is connected with a closing energy storage spring;
the input shaft is sleeved with an isolation dial wheel and a driving wheel, the isolation dial wheel is connected with an opening energy storage spring, the driving wheel is connected with an output cam, and the driving wheel is suitable for driving the output cam to perform opening or closing motion;
a switching-on transmission mechanism is arranged between the crank arm shaft and the driving wheel, and the crank arm shaft drives the driving wheel to rotate through the switching-on transmission mechanism so as to drive the output cam to perform switching-on operation;
an opening energy storage mechanism is arranged between the intermediate shaft and the isolation shifting wheel, and the intermediate shaft drives the isolation shifting wheel to rotate through the opening energy storage mechanism so as to drive an opening energy storage spring to store energy;
the half shaft is provided with a locking notch, and when the isolation thumb wheel rotates to enable the brake-separating energy storage spring to complete energy storage, the locking notch of the half shaft locks the isolation thumb wheel;
the energy of the brake-separating energy-storing spring is released to drive the isolating shifting wheel to rotate reversely, and the isolating shifting wheel drives the output cam to perform brake-separating operation through the driving wheel.
Further, the switching-on transmission mechanism comprises a crank arm cam, a transmission shaft, a switching-on roller crank arm, a switching-on transmission crank arm and a connecting rod;
the connecting rod is connected with the switching-on transmission connecting lever and the driving wheel at two ends respectively, and the connecting lever cam is matched with the switching-on roller connecting lever.
Furthermore, the brake separating and energy storing mechanism comprises a first intermediate cam and a first isolating stop pin, the first intermediate cam is arranged on the intermediate shaft, and the first isolating stop pin is arranged on the isolating thumb wheel;
the intermediate shaft synchronously rotates along with the crank arm shaft and drives the isolation dial wheel to perform brake-separating energy storage rotation through the first intermediate cam and the first isolation stop pin.
Furthermore, the brake separating limiting column is fixedly arranged;
when the isolation dial wheel is in brake-off rotation and is abutted against the brake-off limiting column, the isolation dial wheel drives the output cam through the driving wheel to complete brake-off operation.
Furthermore, a second isolation stop pin is arranged on the isolation thumb wheel and matched with a bayonet on the driving wheel, and the isolation thumb wheel drives the driving wheel to rotate in a brake separating mode through the second isolation stop pin when the isolation thumb wheel rotates in a brake separating mode.
Furthermore, a driving stop pin is arranged on the driving wheel, a sliding groove is formed in the output cam, and the driving stop pin is located in the sliding groove.
Furthermore, a reclosing prevention mechanism is arranged between the intermediate shaft and the isolation thumb wheel;
the reclosing prevention mechanism comprises a second intermediate cam and a third isolation stop pin, the second intermediate cam is arranged on the intermediate shaft, and the third isolation stop pin is arranged on the isolation dial wheel;
after the isolation dial wheel rotates to drive the opening energy storage spring to complete energy storage, a third isolation stop pin of the isolation dial wheel is abutted against the intermediate cam, and the intermediate cam limits the isolation dial wheel to rotate continuously.
Furthermore, the cross section of the crank arm shaft is of a V-shaped structure, and a pawl is arranged on one side of the crank arm shaft;
the pawl is matched with the V-shaped opening of the crank arm shaft to limit the crank arm shaft to rotate reversely.
The utility model has the advantages that:
the utility model discloses a combined electrical apparatus mechanism, combined floodgate energy storage spring and separating brake energy storage spring when driving the output cam and closing the separating brake operation, can not influence each other between the two parts mechanism, especially when the separating brake operation, adopt separating brake energy storage spring to replace coil spring in the past, what make the mechanism can be stable carries out the separating brake operation.
The utility model discloses a combined electrical apparatus mechanism to combined floodgate, separating brake operation, more stable, reliable.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Figures 1 and 2 are schematic diagrams of the combiner mechanism (in the closed position);
fig. 3, 4 and 5 are schematic diagrams of the combined electrical appliance mechanism (in an opening position);
FIG. 6 is a schematic view of a closing gear train;
FIG. 7 is a schematic view of an isolation thumb wheel;
21. an input shaft;
22. an intermediate shaft 22A, a first intermediate cam 22B, a second intermediate cam;
23. a crank arm shaft;
24. a half shaft;
3. the isolating shifting wheel 31, the first isolating stop pin 32, the second isolating stop pin 33, the third isolating stop pin 34, the first isolating bayonet 35 and the second isolating bayonet;
4. a driving wheel 41, a driving stop pin 42 and a driving bayonet;
5. the device comprises a closing transmission mechanism 51, a connecting lever cam 52, a transmission shaft 53, a closing roller connecting lever 54, a closing transmission connecting lever 55 and a connecting rod;
61. a closing energy storage spring 62 and an opening energy storage spring;
71. pawl, 72, separating brake limit post, 73, output cam.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 7, a composite electric mechanism includes an input shaft 21, an intermediate shaft 22, a crank shaft 23, a half shaft 24, and an output cam 73;
specifically, the input shaft 21, the intermediate shaft 22 and the crank arm shaft 23 are all provided with gears, the gears on the intermediate shaft 22 are meshed with the gears on two sides, and when the input shaft 21 rotates, the input shaft 21, the intermediate shaft 22 and the crank arm shaft 23 can be driven to synchronously rotate.
The crank arm shaft 23 is connected with a closing energy storage spring 61;
the input shaft 21 is sleeved with an isolation dial wheel 3 and a driving wheel 4 (the input shaft 21 rotates and cannot drive the isolation dial wheel 3 and the driving wheel 4 to rotate, the input shaft 21 only supports the isolation dial wheel 3 and the driving wheel 4), the isolation dial wheel 3 is connected with an opening energy storage spring 62, the driving wheel 4 is connected with an output cam 73, and the driving wheel 4 is suitable for driving the output cam 73 to perform opening or closing motion;
a switching-on transmission mechanism 5 is arranged between the crank arm shaft 23 and the driving wheel 4, and the crank arm shaft 23 drives the driving wheel 4 to rotate through the switching-on transmission mechanism 5 so as to drive the output cam 73 to perform switching-on operation;
an opening energy storage mechanism is arranged between the intermediate shaft 22 and the isolation dial wheel 3, and the intermediate shaft 22 drives the isolation dial wheel 3 to rotate through the opening energy storage mechanism so as to drive the opening energy storage spring 62 to store energy;
the half shaft 24 is provided with a locking notch, and when the isolation thumb wheel 3 rotates to enable the brake-separating energy storage spring 62 to store energy, the locking notch of the half shaft 24 locks the isolation thumb wheel 3;
the opening energy storage spring 62 releases energy to drive the isolation thumb wheel 3 to rotate reversely, and the isolation thumb wheel 3 drives the output cam 73 to perform opening operation through the driving wheel 4.
Specifically, as an optional implementation manner in this embodiment, the closing transmission mechanism 5 includes a crank arm cam 51, a transmission shaft 52, a closing roller crank arm 53, a closing transmission crank arm 54, and a connecting rod 55;
the crank arm cam 51 is arranged on the crank arm shaft 23, the closing roller crank arm 53 and the closing transmission crank arm 54 are arranged on the transmission shaft 52, two ends of the connecting rod 55 are respectively connected with the closing transmission crank arm 54 and the driving wheel 4, and the crank arm cam 51 is matched with the closing roller crank arm 53.
Specifically, as an optional implementation manner in this embodiment, the opening energy storage mechanism includes a first intermediate cam 22A and a first separation stop pin 31, the first intermediate cam 22A is disposed on the intermediate shaft 22, and the first separation stop pin 31 is disposed on the separation thumb wheel 3;
the intermediate shaft 22 rotates synchronously with the crank shaft 23, and drives the isolation dial wheel 3 to perform brake-separating energy storage rotation through the first intermediate cam 22A and the first isolation stop pin 31. In this embodiment, in order to reduce the friction between the first intermediate cam 22A and the first spacer pin 31, a rolling bearing is provided on the first spacer pin 31, and the first intermediate cam 22A cooperates with the rolling bearing to apply a force to the first spacer pin 31.
Specifically, as an optional implementation manner in this embodiment, the switching-off limiting column 72 is further included, and is fixedly disposed on the mounting plate of the combined electrical apparatus mechanism; when the isolation thumb wheel 3 is in brake-off rotation and is abutted against the brake-off limit column 72, the isolation thumb wheel 3 drives the output cam 73 through the driving wheel 4 to complete brake-off operation.
Specifically, as an optional implementation manner in this embodiment, a driving stop pin 41 is disposed on the driving wheel 4, a sliding slot is formed on the output cam 73, and the driving stop pin 41 is located in the sliding slot. The driving wheel 4 rotates clockwise or counterclockwise, i.e. drives the output cam 73 to reciprocate between the open position and the close position.
Specifically, as an optional implementation manner in this embodiment, a second isolation stop pin 32 is disposed on the isolation thumb wheel 3, the second isolation stop pin 32 is matched with a driving bayonet 42 on the driving wheel 4, and when the isolation thumb wheel 3 is in opening rotation, the second isolation stop pin 32 drives the driving wheel 4 to be in opening rotation.
Specifically, as an alternative embodiment in this embodiment, a reclosing prevention mechanism is arranged between the intermediate shaft 22 and the isolation thumb wheel 3;
the reclosing prevention mechanism comprises a second intermediate cam 22B and a third isolation stop pin 33, wherein the second intermediate cam 22B is arranged on the intermediate shaft 22, and the third isolation stop pin 33 is arranged on the isolation thumb wheel 3;
after the isolation thumb wheel 3 rotates to drive the opening energy storage spring 62 to complete energy storage, the third isolation stop pin 33 of the isolation thumb wheel 3 abuts against the intermediate cam, and the intermediate cam limits the isolation thumb wheel 3 to rotate continuously.
The closing prevention mechanism mainly functions under the condition that the opening energy storage spring 62 completes an energy storage state, as shown in fig. 1, at the moment, the isolation thumb wheel 3 is locked by the half shaft 24 and cannot rotate anticlockwise any more, and the elastic force of the opening energy storage spring 62 acts on the isolation thumb wheel 3, so that the isolation thumb wheel 3 is limited to continue to rotate clockwise.
The anti-closing mechanism is added, the third isolation blocking pin 33 blocks on the path of the clockwise rotation of the second intermediate cam 22B, so that the counter-clockwise rotation of the intermediate shaft 22 is limited, and the input shaft 21, the intermediate shaft 22 and the crank arm shaft 23 are meshed with each other through gears, so that when the intermediate shaft 22 cannot rotate, the rest of the input shaft 21 and the crank arm shaft 23 cannot rotate.
Specifically, as an optional implementation manner in this embodiment, the cross section of the crank shaft 23 is a V-shaped structure, and a pawl 71 is disposed on one side of the crank shaft 23; the pawl 71 is engaged with the V-shaped opening of the crank shaft 23 to restrict the crank shaft 23 from rotating in the opposite direction. The crank shaft 23 rotates clockwise when driving the closing energy storage spring 61 to store energy, at this time, the pawl 71 does not limit the rotation of the crank shaft 23, when the crank shaft 23 drives the closing energy storage spring 61 to store and release energy, so that after the combined electrical appliance mechanism completes closing operation, the pawl 71 is arranged in order to prevent the reverse rotation of the crank shaft 23 from influencing the closing position of the output cam 73.
As shown in fig. 7, the isolating thumb wheel 3 is provided with a first isolating bayonet 34 and a second isolating bayonet 35, the first isolating bayonet 34 is matched with a locking notch on the half shaft 24 and is used for being matched with the half shaft 24 to limit the isolating thumb wheel 3 to rotate anticlockwise after the opening energy storage spring 62 completes energy storage; the second isolation bayonet 35 is suitable for the cooperation of the opening limit column 72 and used for limiting the position of the isolation thumb wheel 3 in anticlockwise rotation, so as to limit the position of the driving wheel 4 in anticlockwise rotation, and the driving wheel 4 is enabled to accurately rotate the output cam 73 to the opening position.
The combined electrical appliance mechanism performs a switching-on working process:
the motor drives the input shaft 21 to rotate clockwise, so that the intermediate shaft 22 rotates anticlockwise, the crank arm shaft 23 rotates clockwise, the crank arm shaft 23 starts to stretch the closing energy storage spring 61 to store energy, when the crank arm shaft 23 enables the closing energy storage spring 61 to store energy (the energy storage spring is pulled to be the longest), the crank arm shaft 23 continues to rotate clockwise, the closing energy storage spring 61 starts to release energy, in the energy release process, the crank arm shaft 23 drives the driving wheel 4 to rotate clockwise through the crank arm cam 51, the transmission shaft 52, the closing roller crank arm 53, the closing transmission crank arm 54 and the connecting rod 55, the driving wheel 4 drives the output cam 73 to rotate to a closing position through the driving stop pin 41, and the output cam 73 is connected with an external load switch, namely, closing operation on the load switch through a combined electrical appliance mechanism is realized.
When the crank arm shaft 23 drives the closing energy storage spring 61 to store energy, the intermediate shaft 22 also rotates counterclockwise synchronously, the first intermediate cam 22A on the intermediate shaft 22 pushes the first isolation stop pin 31, thereby driving the isolation dial wheel 3 to rotate clockwise, the isolation dial wheel 3 rotates clockwise to extrude the opening energy storage spring 62 to store energy, the first isolation bayonet 34 of the isolation dial wheel 3 extrudes the half shaft 24, the half shaft 24 rotates to avoid, after the first isolation bayonet 34 rotates past the half shaft 24, the half shaft 24 resets under the action of the torsion spring, thereby limiting the counterclockwise rotation of the isolation dial wheel 3, so that the opening energy storage spring 62 keeps storing energy, after the half shaft 24 locks the isolation dial wheel 3, the closing energy storage spring 61 starts to release energy, and the closing energy storage spring 61 releases energy to realize that the output cam 73 rotates toward the closing position.
The combined electrical appliance mechanism is used for the switching-off working process:
the relay pushes the half shaft 24 to rotate, the half shaft 24 is opened, the half shaft 24 does not block the first isolation bayonet 34 of the isolation dial wheel 3, at the moment, the opening energy storage spring 62 starts to release energy to drive the isolation dial wheel 3 to rotate anticlockwise, the second isolation stop pin 32 of the isolation dial wheel 3 is matched with the drive bayonet 42 on the drive wheel 4 to drive the drive wheel 4 to rotate anticlockwise, the drive stop pin 41 of the drive wheel 4 drives the output cam 73 to perform anticlockwise opening motion, the isolation dial wheel 3 stops rotating after being contacted with the opening limit column 72, the drive stop pin 41 of the drive wheel 4 rotates to the end part of the inner wall of the arc groove of the output cam 73, so that the output cam 73 is driven to rotate to the opening position, and opening operation is completed.
The utility model discloses a combined electrical apparatus mechanism compares with mechanism in the past, adopts separating brake energy storage spring 62 to replace coil spring in the past, makes the mechanism can be stable carry out the separating brake operation.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A combined electrical appliance mechanism is characterized by comprising
The device comprises an input shaft, an intermediate shaft, a crank arm shaft, a half shaft and an output cam;
the input shaft, the intermediate shaft and the crank arm shaft synchronously rotate;
the crank arm shaft is connected with a closing energy storage spring;
the input shaft is sleeved with an isolation dial wheel and a driving wheel, the isolation dial wheel is connected with an opening energy storage spring, the driving wheel is connected with an output cam, and the driving wheel is suitable for driving the output cam to perform opening or closing motion;
a switching-on transmission mechanism is arranged between the crank arm shaft and the driving wheel, and the crank arm shaft drives the driving wheel to rotate through the switching-on transmission mechanism so as to drive the output cam to perform switching-on operation;
an opening energy storage mechanism is arranged between the intermediate shaft and the isolation shifting wheel, and the intermediate shaft drives the isolation shifting wheel to rotate through the opening energy storage mechanism so as to drive an opening energy storage spring to store energy;
the half shaft is provided with a locking notch, and when the isolation thumb wheel rotates to enable the brake-separating energy storage spring to complete energy storage, the locking notch of the half shaft locks the isolation thumb wheel;
the energy of the brake-separating energy-storing spring is released to drive the isolating shifting wheel to rotate reversely, and the isolating shifting wheel drives the output cam to perform brake-separating operation through the driving wheel.
2. The electrical combiner mechanism of claim 1,
the switching-on transmission mechanism comprises a crank arm cam, a transmission shaft, a switching-on roller crank arm, a switching-on transmission crank arm and a connecting rod;
the connecting rod is connected with the switching-on transmission connecting lever and the driving wheel at two ends respectively, and the connecting lever cam is matched with the switching-on roller connecting lever.
3. The electrical combiner mechanism of claim 1,
the brake separating energy storage mechanism comprises a first middle cam and a first isolating stop pin, the first middle cam is arranged on the middle shaft, and the first isolating stop pin is arranged on the isolating dial wheel;
the intermediate shaft synchronously rotates along with the crank arm shaft and drives the isolation dial wheel to perform brake-separating energy storage rotation through the first intermediate cam and the first isolation stop pin.
4. The electrical combiner mechanism of claim 1,
the brake separating limiting column is fixedly arranged;
when the isolation dial wheel is in brake-off rotation and is abutted against the brake-off limiting column, the isolation dial wheel drives the output cam through the driving wheel to complete brake-off operation.
5. The electrical combiner mechanism of claim 1,
the isolation shifting wheel is provided with a second isolation stop pin, the second isolation stop pin is matched with a bayonet on the driving wheel, and the isolation shifting wheel drives the driving wheel to rotate for opening through the second isolation stop pin when the isolation shifting wheel rotates for opening.
6. The electrical combiner mechanism of claim 1,
the driving wheel is provided with a driving stop pin, the output cam is provided with a sliding groove, and the driving stop pin is positioned in the sliding groove.
7. The electrical combiner mechanism of claim 1,
a reclosing prevention mechanism is arranged between the middle shaft and the isolation thumb wheel;
the reclosing prevention mechanism comprises a second intermediate cam and a third isolation stop pin, the second intermediate cam is arranged on the intermediate shaft, and the third isolation stop pin is arranged on the isolation dial wheel;
after the isolation dial wheel rotates to drive the opening energy storage spring to complete energy storage, a third isolation stop pin of the isolation dial wheel is abutted against the intermediate cam, and the intermediate cam limits the isolation dial wheel to rotate continuously.
8. The electrical combiner mechanism of claim 1,
the cross section of the crank arm shaft is of a V-shaped structure, and a pawl is arranged on one side of the crank arm shaft;
the pawl is matched with the V-shaped opening of the crank arm shaft to limit the crank arm shaft to rotate reversely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120980997.7U CN214428500U (en) | 2021-05-08 | 2021-05-08 | Combined electrical appliance mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120980997.7U CN214428500U (en) | 2021-05-08 | 2021-05-08 | Combined electrical appliance mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428500U true CN214428500U (en) | 2021-10-19 |
Family
ID=78076599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120980997.7U Active CN214428500U (en) | 2021-05-08 | 2021-05-08 | Combined electrical appliance mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428500U (en) |
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2021
- 2021-05-08 CN CN202120980997.7U patent/CN214428500U/en active Active
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