CN107633961B - Manual operation mechanism of automatic change-over switch - Google Patents
Manual operation mechanism of automatic change-over switch Download PDFInfo
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- CN107633961B CN107633961B CN201710779574.7A CN201710779574A CN107633961B CN 107633961 B CN107633961 B CN 107633961B CN 201710779574 A CN201710779574 A CN 201710779574A CN 107633961 B CN107633961 B CN 107633961B
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- handle
- connecting rod
- driving shaft
- automatic transfer
- transfer switch
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Abstract
The invention discloses a manual operating mechanism of an automatic change-over switch, which comprises a bracket, a handle and a driving shaft, wherein the driving shaft is used for controlling the closing of the automatic change-over switch; further comprising: the connecting rod is configured to rotate around the axis of the driving shaft, the handle is rotatably connected with the connecting rod, and the handle and the connecting rod are matched with a first angle limiting structure, so that the connecting rod can be driven to rotate along a preset direction after the handle rotates for a set angle along the preset direction; and the connecting rod drives the driving shaft to rotate around the axis of the driving shaft along the preset direction through the transmission part. The invention can avoid the loss of the handle, and when the handle drives the connecting rod to rotate, the combination of the handle and the connecting rod is equivalent to a long rod and directly acts on the driving shaft to achieve the state of the longest force arm, thereby having very simple structure and very labor-saving operation.
Description
Technical Field
The invention relates to the field of automatic change-over switches, in particular to a manual operating mechanism of an automatic change-over switch.
Background
An automatic transfer switch is an electrical appliance capable of switching between two power sources, and is generally provided with a manual operation mechanism and an automatic switching mechanism, and when one power source fails, a power utilization loop can be switched to the other power source through the manual operation mechanism or the automatic switching mechanism. The manual operating mechanism of the automatic transfer switch in the prior art generally comprises a handle and a driving shaft, and the driving shaft is driven to rotate by the handle so as to control the automatic transfer switch to be switched on. After closing the door, the handle must be taken down, otherwise the handle can interfere with the product component, and the action of the product in an automatic state is influenced. Therefore, the handle of most automatic transfer switches of the prior art is configured separately, and the handle is separated from the product. This method easily causes the handle to lose, and the handle loses the back and will cause automatic change over switch to be unable to carry out manual operation. At present, a small part of automatic change-over switches are connected with a handle on a product, and although the problem that the handle and the product are easily lost due to the fact that the handle and the product are separately arranged is solved, the problems that the structure is complex and the operation is not labor-saving exist.
Disclosure of Invention
The invention provides a manual operating mechanism of an automatic change-over switch, which overcomes the defects of the manual operating mechanism of the automatic change-over switch in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a manual operating mechanism of an automatic transfer switch comprises a bracket, a handle and a driving shaft for controlling the switching-on of the automatic transfer switch; further comprising:
the connecting rod is configured to rotate around the axis of the driving shaft, the handle is rotatably connected with the connecting rod, and the handle and the connecting rod are matched with a first angle limiting structure, so that the connecting rod can be driven to rotate along a preset direction after the handle rotates for a set angle along the preset direction;
and the connecting rod drives the driving shaft to rotate around the axis of the driving shaft along the preset direction through the transmission part.
Furthermore, the transmission part is matched with the connecting rod to form a second angle limiting structure, so that the connecting rod can drive the transmission part to rotate around the axis of the driving shaft along the preset direction when rotating for a certain angle along the preset direction along with the handle.
Further, first angle limit structure is including establishing first bumping post on the connecting rod with establish convex part on the handle, works as when the handle rotates along predetermineeing the direction and sets for the angle, its convex part supports on first bumping post.
Furthermore, the second angle limit structure comprises a second blocking column arranged on the connecting rod, and when the connecting rod rotates for a certain angle along the preset direction along with the handle, the second blocking column is abutted to the transmission piece.
Furthermore, the support is provided with a rotation stopping part, an elastic piece is arranged between the connecting rod and the support in a propping mode, and the connecting rod is reset to abut against the rotation stopping part through the elastic piece.
Further, the elastic element is a torsion spring, a spiral part of the torsion spring is sleeved outside the driving shaft or a sleeve, the sleeve is arranged on the bracket, and the driving shaft penetrates through the sleeve; two ends of the torsion spring are respectively lapped on the bracket and the connecting rod.
Furthermore, a first opening is formed in the support, a second opening is formed in the connecting rod, and two ends of the torsion spring are respectively connected with the hole wall of the first opening and the hole wall of the second opening in an overlapping mode.
Furthermore, a groove is arranged on the transmission piece, the groove is embedded with the end part of the driving shaft, and the transmission piece is fastened with the end part of the driving shaft through a screw.
Furthermore, one end of the connecting rod is provided with a shaft body which is parallel to the driving shaft, the handle is provided with a shaft hole, the shaft body penetrates through the shaft hole and then is sleeved with a clamp spring, and the clamp spring is used for limiting the shaft body to be separated from the shaft hole; the other end of the connecting rod is provided with a shaft hole which is sleeved outside the driving shaft or a sleeve, the sleeve is arranged on the support, and the driving shaft penetrates through the sleeve.
Furthermore, a face shell is arranged outside the support, the driving shaft, the connecting rod and the transmission piece are positioned on the inner side of the face shell, and the face shell is provided with a yielding structure which enables the other end of the handle to be exposed and enables the handle to freely enter and exit.
Furthermore, the bracket is provided with a movable toggle button and a microswitch for controlling the automatic switching mechanism of the automatic change-over switch to be started or not, the toggle button is provided with two working positions, when the toggle button moves to the first working position, the handle is limited to rotate and the microswitch is in a switch-on state, and when the toggle button moves to the second working position in a reverse direction, the rotation limitation of the handle is removed and the microswitch is in a switch-off state.
Compared with the prior art, the invention has the following beneficial effects:
1. the handle can be prevented from being lost, and when the handle drives the connecting rod to rotate, the combination of the handle and the connecting rod is equivalent to a long rod and directly acts on the driving shaft to achieve the state of the longest force arm, so the structure is very simple, and the operation is very labor-saving.
2. The connecting rod can only drive the driving shaft to rotate in one direction, so that reverse misoperation is avoided.
3. The drive shaft is arranged in the inner part, so that the phenomenon that foreign objects block the rotation can be avoided.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the manual operation mechanism of an automatic transfer switch of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic view showing the three-dimensional structure of the present invention (the front cover is hidden and the handle is at the initial position);
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a partially exploded schematic view of the present invention;
FIG. 4 is a schematic view of the construction of the transmission member of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the present invention (the face shell is hidden, and the handle is rotated to a predetermined angle);
FIG. 6 is a third schematic view of the three-dimensional structure of the present invention (the surface shell is hidden, and the handle drives the connecting rod to rotate by a certain angle);
FIG. 7 is a fourth perspective view of the present invention (with the handle in the initial position);
FIG. 8 is a schematic view of the present invention in a perspective configuration (handle rotated out);
FIG. 9 is a first schematic view of the engagement of the toggle button and the support of the present invention (the toggle button is moved to the first operating position);
FIG. 10 is a second schematic view of the engagement of the toggle button and the support of the present invention (the toggle button is moved to a second operating position);
fig. 11 is a schematic perspective view of the front cover of the present invention.
Detailed Description
In an embodiment, please refer to fig. 1 to 11, a manual operating mechanism of an automatic transfer switch according to the present invention includes a bracket 1, a handle 2, and a driving shaft 3 for controlling the automatic transfer switch to close, wherein the driving shaft 3 passes through a through hole formed in the bracket 1. The invention also comprises a connecting rod 4 and a transmission piece 5. The connecting rod 4 is configured to be rotatable around the axis of the driving shaft 3, the handle 2 is rotatably connected with the connecting rod 4, and the handle 2 and the connecting rod 4 are matched with a first angle limiting structure, so that the handle 2 can drive the connecting rod 4 to rotate along the preset direction after rotating for a set angle along the preset direction. The concrete connection structure of connecting rod 4 and handle does: one end of the connecting rod 4 is provided with a shaft body 41, the shaft body 41 is parallel to the driving shaft 3, one end of the handle 2 is provided with a shaft hole 21, after the shaft body 41 passes through the shaft hole 21, the shaft body is sleeved with a clamp spring 46, and the clamp spring 46 limits the shaft body 41 to be separated from the shaft hole 21. The other end of the connecting rod 4 is provided with a shaft hole 42, the support 1 is provided with a sleeve 13, the driving shaft 3 penetrates through the sleeve 13, the shaft hole 42 at the other end of the connecting rod is movably sleeved outside the sleeve 13 (the shaft hole 42 at the other end of the connecting rod can also be directly sleeved outside the driving shaft 3), and thus, the connecting rod 4 can rotate around the axis of the driving shaft 3 under the driving of the handle 2.
The transmission piece 5 is fixedly connected with the driving shaft 3, and the connecting rod 4 drives the driving shaft 3 to rotate around the axis of the driving shaft 3 along the preset direction through the transmission piece 5. The connection structure of the transmission part 5 and the driving shaft 3 is specifically as follows: the transmission member 5 is of a rod structure, one end of the transmission member is provided with a groove, the groove is specifically a square groove 52, the square groove 52 is embedded with the end part of the square driving shaft 3, and the transmission member 5 and the end part of the driving shaft 3 are fastened by a screw 51, so that the transmission member 5 and the driving shaft 3 can synchronously rotate. The transmission part 5 and the connecting rod 4 are matched with a second angle limiting structure, so that the connecting rod 4 can drive the transmission part 5 to rotate around the axis of the driving shaft 3 along the preset direction when rotating for a certain angle along the preset direction along with the handle 2.
In this embodiment, the first angle limiting structure includes a first stopping column 43 disposed on the connecting rod 4 and a protrusion 22 disposed at one end of the handle 2, and when the handle 2 rotates in a predetermined direction for a predetermined angle, the protrusion 22 abuts against the first stopping column 43. The second angle limiting structure comprises a second blocking column 44 arranged on the connecting rod 4, and when the connecting rod 4 rotates for a certain angle along the preset direction along with the handle 2, the second blocking column 44 abuts against the transmission piece 5. The first and second abutment 43, 44 are parallel to the drive shaft 3. The arrangement of the first angle limiting structure not only enables the handle to be light in the initial lifting stage, but also facilitates the handle to be stored. The arrangement of the second angle limiting structure can enable the handle to use light force at the initial lifting stage on one hand, and enable the connecting rod to have an idle avoiding position on the other hand, so that the rotation of the driving shaft is not influenced.
In this embodiment, the rotation stopping portion 11 is disposed on the bracket 1, an elastic member is disposed between the connecting rod 4 and the bracket 1, and the connecting rod 4 is returned to abut against the rotation stopping portion 11 by the elastic member. The elastic element is a torsion spring 6, the spiral part of the torsion spring 6 is sleeved outside the sleeve 13 (the spiral part of the torsion spring 6 can also be directly sleeved outside the driving shaft 3), and two ends of the torsion spring 6 are respectively lapped on the bracket 1 and the connecting rod 4. Specifically, the bracket 1 is provided with a first opening which is specifically a square hole 12, the connecting rod 4 is provided with a second opening which is specifically a round small hole 45, and two ends of the torsion spring 6 are respectively lapped on the hole wall of the square hole 12 and the hole wall of the small hole 45. The sleeve 13 is provided to prevent the movement of the link 4 and the torsion spring 6 from interfering with the drive shaft 3, thereby making the movement of the link 4, the torsion spring 6, and the drive shaft 3 smoother.
In this embodiment, a face shell 10 is disposed outside the bracket 1, the driving shaft 3, the connecting rod 4, and the transmission member 5 are disposed inside the face shell 10, and the face shell 10 is provided with a yielding structure which exposes the other end of the handle 2 and allows the handle 2 to freely enter and exit. The abdicating structure specifically comprises a long hole 101 arranged at the top of the face cover along the length direction of the face shell 10 and a side abdicating notch 102 leading to the long hole 101, wherein the abdicating notch 102 exposes the other end of the handle 2, and the long hole 101 enables the handle 2 to freely enter and exit the face shell 10, as shown in fig. 7 and 8.
In this embodiment, in order to prevent the mutual influence of the automatic transfer switch between the manual state and the automatic state, the present invention is provided with a movable toggle button 7 and a micro switch 8 for controlling the start or stop of the automatic switching mechanism of the automatic transfer switch, which are mounted on the bracket 1. The toggle button 7 has two working positions, when the toggle button 7 moves to the first working position, the handle 2 is limited to rotate and the microswitch 8 is in a switch-on state, at the moment, the handle 2 can not be operated, the microswitch 8 enables a control circuit of the automatic switching mechanism to be switched on, and the automatic switching mechanism can act to switch the power supply; when the knob 7 is moved in the reverse direction to the second operating position, the rotation restriction of the handle 2 is released and the microswitch 8 is turned off, and at this time, the handle 2 is operated, the control circuit of the automatic switching mechanism is turned off, and the automatic switching mechanism is not operated. The interlocking of the manual operating mechanism and the automatic switching mechanism of the automatic change-over switch is realized through the control action of the toggle button 7 and the microswitch 8.
The matching structure of the toggle button 7, the handle 2 and the microswitch 8 is as follows: the other end of the handle 2 is provided with a limiting hole 23, the toggle button 7 is provided with a toggle part 71, a limiting part 72 and a jacking part 73, when the toggle button 7 moves to the first working position, the limiting part 72 is inserted into the limiting hole 23 of the handle 2, and the jacking part 73 is separated from a driving part 81 of the microswitch 8, so that the microswitch 8 is switched on; when the toggle button 7 moves to the second working position, the limiting portion 72 thereof retreats from the limiting hole 23 of the handle 2, and the pressing portion 73 thereof presses the driving portion 81 of the microswitch 8, so that the microswitch 8 is turned off.
In this embodiment, the specific matching structure of the microswitch 8 and the bracket 1 is as follows: a support 9 is arranged on the bracket 1, a sliding track is arranged on the support 9, and the toggle button 7 is in sliding fit with the sliding track. The microswitch 8 is fixed on the support 9. Dial button 7, micro-gap switch 8, support 9 and be located in the face-piece 10, and be equipped with on the face-piece 10 that a setting part 71 that supplies to dial button 7 stretches out rectangular let a through-hole 103 and a spacing portion 72 that supplies to dial button 7 advance and lead to the side through-hole 104 of rectangular hole 101. The support 9 is provided with a fixing part 91 extending out of the abdicating through hole of the face shell 10, the fixing part 91 is provided with a positioning hole 911, the toggle part 71 of the toggle button 7 is also provided with a positioning hole 711, when the toggle button 7 moves to the first working position, the positioning hole 711 of the toggle part 71 is opposite to the positioning hole 911 of the fixing part 91, as shown in fig. 9, at this time, a padlock can be adopted to lock the two positioning holes 711 and 911 together, so that the toggle button 7 keeps the rotation of the handle 2 limited, and the handle 2 is prevented from being operated by mistake. When the toggle button 7 is moved reversely to the second working position, the positioning hole 711 of the toggle part 71 and the positioning hole 911 of the fixing part 91 are staggered, as shown in fig. 10.
The operation process of the invention is as follows: when the automatic change-over switch needs to be manually operated, the toggle part 71 of the toggle 7 is toggled first, the toggle 7 is pushed to move to the second working position, the limiting part 72 on the toggle 7 is separated from the limiting hole 23 of the handle 2, the handle 2 is unlocked, the pushing part 73 of the toggle 7 pushes the driving part 81 of the microswitch 8, the microswitch 8 cuts off a control circuit of the automatic change-over mechanism, and the automatic change-over mechanism cannot act. Then, the other end of the handle 2 is pulled upward to rotate the handle 2 in the counterclockwise direction, and when the handle 2 is rotated counterclockwise to make the convex portion 22 of one end abut on the first stopper 43 of the link 4, the handle 2 is located in the direction of the extension line of the other end of the link 4, as shown in fig. 5. When the handle 2 is rotated further in the counterclockwise direction, the handle 2 drives the link 4 to rotate together in the counterclockwise direction around the axis of the driving shaft 3 and compresses the torsion spring 6. After the connecting rod 4 rotates a small angle, the second bumping post 44 thereon is abutted to the transmission member 5, and along with the continuous rotation of the handle 2, the connecting rod 4 will push the transmission member 5 to follow the rotation, because the transmission member 5 is coaxial and fixedly connected with the driving shaft 3, therefore, the driving shaft 3 also follows the rotation, as shown in fig. 6, thereby realizing the manual power switching. In the process that the handle 2 drives the connecting rod 4 to rotate, the combination of the handle 2 and the connecting rod 4 is equivalent to a long rod, so that the power arm corresponding to the driving force applied to the handle 2 by hands is longest, and the operation is very labor-saving.
After the manual operation is finished, the handle 2 is released, the connecting rod 4 drives the connecting rod 4 to rotate clockwise under the restoring force of the torsion spring 6 until the connecting rod 4 contacts a rotation stopping part 11 arranged on the bracket 1; after the handle 2 rotates clockwise to the right position along with the connecting rod 4, the handle 2 continues to rotate to return to the state shown in the figures 1 and 7 by the dead weight. At this time, the toggle button 7 can be toggled again, the limit part 72 of the toggle button 7 is inserted into the limit hole 23 at the other end of the handle 2, the handle 2 is prevented from being toggled again, the top pressing part 73 of the toggle button 7 is separated from the driving part 81 of the microswitch 8, the microswitch 8 is switched on, and the automatic switching mechanism can be operated.
The above embodiments are only used to further illustrate the manual operating mechanism of an automatic transfer switch of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A manual operating mechanism of an automatic transfer switch comprises a bracket, a handle and a driving shaft for controlling the switching-on of the automatic transfer switch; the method is characterized in that: further comprising:
the connecting rod is configured to rotate around the axis of the driving shaft, the handle is not rotationally connected with the bracket, the handle is rotationally connected with the connecting rod, and the handle and the connecting rod are matched with a first angle limiting structure, so that the connecting rod can be driven to rotate along a preset direction after the handle rotates for a set angle along the preset direction;
the connecting rod drives the driving shaft to rotate around the axis of the driving shaft along the preset direction through the transmission piece;
the transmission part and the connecting rod are matched with a second angle limiting structure, so that the connecting rod can drive the transmission part to rotate around the axis of the driving shaft along the preset direction after rotating for a certain angle along the preset direction along with the handle.
2. The manual operating mechanism of an automatic transfer switch according to claim 1, characterized in that: first angle limit structure is including establishing first bumping post on the connecting rod with establish convex part on the handle, works as when the handle rotates the settlement angle along predetermineeing the direction, its convex part supports on first bumping post.
3. The manual operating mechanism of an automatic transfer switch according to claim 1, characterized in that: the second angle limiting structure comprises a second blocking column arranged on the connecting rod, and when the connecting rod rotates for a certain angle along the preset direction along with the handle, the second blocking column is abutted to the transmission piece.
4. The manual operating mechanism of an automatic transfer switch according to claim 1, characterized in that: the support is provided with a rotation stopping part, an elastic piece is arranged between the connecting rod and the support in a propping mode, and the connecting rod is reset to prop against the rotation stopping part through the elastic piece.
5. The manual operating mechanism of an automatic transfer switch according to claim 4, characterized in that: the elastic element is a torsion spring, the spiral part of the torsion spring is sleeved on the driving shaft or sleeved outside a sleeve, the sleeve is arranged on the bracket, and the driving shaft penetrates through the sleeve; two ends of the torsion spring are respectively lapped on the bracket and the connecting rod.
6. The manual operating mechanism of an automatic transfer switch according to claim 5, characterized in that: the support is provided with a first opening, the connecting rod is provided with a second opening, and two ends of the torsion spring are respectively lapped on the hole wall of the first opening and the hole wall of the second opening.
7. The manual operating mechanism of an automatic transfer switch according to claim 1, characterized in that: the transmission part is provided with a groove which is embedded with the end part of the driving shaft, and the transmission part is fastened with the end part of the driving shaft through a screw.
8. The manual operating mechanism of an automatic transfer switch according to claim 1, characterized in that: one end of the connecting rod is provided with a shaft body which is parallel to the driving shaft, the handle is provided with a shaft hole, the shaft body is sleeved with a clamp spring after passing through the shaft hole, and the clamp spring is used for limiting the shaft body to be separated from the shaft hole; the other end of the connecting rod is provided with a shaft hole which is sleeved outside the driving shaft or a sleeve, the sleeve is arranged on the support, and the driving shaft penetrates through the sleeve.
9. The manual operating mechanism of an automatic transfer switch according to claim 1, characterized in that: the driving shaft, the connecting rod and the transmission piece are positioned on the inner side of the face shell, and the face shell is provided with a yielding structure which enables the other end of the handle to be exposed and enables the handle to freely come in and go out;
the bracket is provided with a movable toggle button and a microswitch for controlling whether an automatic switching mechanism of the automatic change-over switch is started or not, the toggle button is provided with two working positions, when the toggle button moves to a first working position, the handle is limited to rotate and the microswitch is in a switch-on state, and when the toggle button moves reversely to a second working position, the rotation limitation on the handle is removed and the microswitch is in a switch-off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710779574.7A CN107633961B (en) | 2017-09-01 | 2017-09-01 | Manual operation mechanism of automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710779574.7A CN107633961B (en) | 2017-09-01 | 2017-09-01 | Manual operation mechanism of automatic change-over switch |
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| Publication Number | Publication Date |
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| CN107633961A CN107633961A (en) | 2018-01-26 |
| CN107633961B true CN107633961B (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710779574.7A Active CN107633961B (en) | 2017-09-01 | 2017-09-01 | Manual operation mechanism of automatic change-over switch |
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| CN204144188U (en) * | 2014-11-10 | 2015-02-04 | 叶建仁 | Transmission mechanism in dual-power transfer switch |
| CN105140059A (en) * | 2015-08-17 | 2015-12-09 | 厦门宏发开关设备有限公司 | Manual mechanism for controlling switching of double-power supply switch |
| CN204905181U (en) * | 2015-08-04 | 2015-12-23 | 浙江正泰电器股份有限公司 | Breaker handle subassembly |
| CN205670509U (en) * | 2016-05-29 | 2016-11-02 | 张家齐 | A kind of spring electric power switching switch |
| CN205723196U (en) * | 2016-06-29 | 2016-11-23 | 江苏现代电力科技股份有限公司 | CT ground connection accesses permutator |
| CN207489690U (en) * | 2017-09-01 | 2018-06-12 | 厦门宏发开关设备有限公司 | The manual-operating mechanism of automatic change-over |
-
2017
- 2017-09-01 CN CN201710779574.7A patent/CN107633961B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204144188U (en) * | 2014-11-10 | 2015-02-04 | 叶建仁 | Transmission mechanism in dual-power transfer switch |
| CN204905181U (en) * | 2015-08-04 | 2015-12-23 | 浙江正泰电器股份有限公司 | Breaker handle subassembly |
| CN105140059A (en) * | 2015-08-17 | 2015-12-09 | 厦门宏发开关设备有限公司 | Manual mechanism for controlling switching of double-power supply switch |
| CN205670509U (en) * | 2016-05-29 | 2016-11-02 | 张家齐 | A kind of spring electric power switching switch |
| CN205723196U (en) * | 2016-06-29 | 2016-11-23 | 江苏现代电力科技股份有限公司 | CT ground connection accesses permutator |
| CN207489690U (en) * | 2017-09-01 | 2018-06-12 | 厦门宏发开关设备有限公司 | The manual-operating mechanism of automatic change-over |
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