CN217306343U

CN217306343U - Manual and automatic padlock mechanism of dual-power-supply quick change-over switch

Info

Publication number: CN217306343U
Application number: CN202220513227.6U
Authority: CN
Inventors: 林一河; 黄磐; 王重胜; 南志超; 陈夏
Original assignee: Zhejiang Wansong Electric Co ltd
Current assignee: Zhejiang Wansong Electric Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-26
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a manual automatic padlock mechanism of two quick change over switches of power, which comprises a frame plate, install operation selection cam, locking piece and manual output part on the frame plate the top of frame plate is equipped with slidable shielding plate, be equipped with the spring bolt on the locking piece, operation selection cam rotationally installs on the frame plate, operation selection cam drive shielding plate and spring bolt translation motion, establish on the manual output part and drive cooperation groove, can expose this drive cooperation groove after the shielding plate translation. Thus, the technical effects of preventing misoperation and good operation reliability are achieved.

Description

Manual and automatic padlock mechanism of dual-power-supply quick change-over switch

Technical Field

The utility model relates to a manual automatic padlock mechanism of dual supply quick change over switch.

Background

The patent of chinese patent publication No. CN 214956484U discloses a three-section dual-power-supply change-over switch, the content of which discloses a three-section dual-power-supply change-over switch, which comprises a housing, a first fixed contact connected to a main power supply, a second fixed contact connected to a standby power supply, and a power supply switching mechanism, wherein the housing is provided with the first fixed contact connected to the main power supply, the second fixed contact connected to the standby power supply, and the power supply switching mechanism, the first moving contact is mounted on a first rotating shaft to control the opening and closing of the first fixed contact, and the second moving contact is mounted on a second rotating shaft to control the opening and closing of the second fixed contact, and the three-section dual-power-supply change-over switch is characterized in that: the power supply switching mechanism comprises an excitation switch, an intermediate gear, a first gear, a second gear, a first driving disk and a second driving disk, wherein the positive and negative rotation of the intermediate gear is driven by the excitation switch, the first gear is fixedly connected with the first rotating disk, the first rotating disk is provided with a third arc-shaped groove, the first driving disk is provided with a fourth arc-shaped groove, a first stirring pin is arranged at the swinging end of a first swing arm connected with a first energy storage spring, the two ends of the first stirring pin are movably arranged in the third arc-shaped groove and the fourth arc-shaped groove, the first driving disk is connected with a first rotating shaft, the second gear is fixedly connected with the second rotating disk, the second rotating disk is provided with a fifth arc-shaped groove, the second driving disk is provided with a sixth arc-shaped groove, a second stirring pin is arranged at the swinging end of a second swing arm connected with a second energy storage spring, the two ends of the second stirring pin are movably arranged in the fifth arc-shaped groove and the sixth arc-shaped groove, and the second driving disk is connected with a second rotating shaft.

The above structure has the following drawbacks: the switching work of the power supply needs to be operated by professional workers, the operation is very simple only by starting the excitation switch, some non-professional persons have non-professional misoperation possibility, the misoperation can cause power failure or incorrect switching of the power supply to cause production accidents, meanwhile, the power supply can not be switched under the condition that the excitation switch fails, and the hidden trouble of operation failure exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a manual and automatic padlock mechanism for a dual power supply fast transfer switch, which can prevent misoperation and has good operation reliability.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a manual automatic padlock mechanism of dual supply quick change over switch, includes the frame plate, install operation selection cam, locking piece and manual output part on the frame plate the top of frame plate is equipped with slidable shielding plate, be equipped with the spring bolt on the locking piece, the operation selection cam rotationally installs on the frame plate, operation selection cam drive shielding plate and spring bolt translation motion, establish on the manual output part and drive cooperation groove, can expose this drive cooperation groove after the shielding plate translation.

The operation rotating cam is provided with a shifting block, the shielding plate is provided with a translation groove, the shifting block is arranged in the translation groove to drive the shielding plate to move, the translation groove comprises a Y-shaped axial groove and an X-shaped axial groove, the X-shaped axial groove is arranged in the middle of the Y-shaped axial groove and communicated with each other, the shifting block is arranged in the Y-shaped axial groove, a padlock knob is inserted in the operation rotating cam, the lower end of the padlock knob is connected with a limiting hook plate, the operation rotating cam is provided with a abdicating groove for the limiting hook plate to move, the limiting hook plate and the padlock are arranged in parallel, the limiting hook plate can penetrate through the X-shaped axial groove, a hanging hole is arranged on the peripheral wall of the padlock knob, the limiting hook plate can pull up the padlock knob for a distance when aligned with the X-shaped axial groove, and meanwhile, the limiting hook plate is inserted in the X-shaped axial groove and abuts against the inner wall of the abdicating groove to enable the hanging hole to expose the end face of the operation selecting cam, at this time, the lock pin can be inserted into the hanging hole to realize the padlock function so as to prevent the operation of the operation selection cam.

The frame plate is provided with a limiting guide groove for placing the locking block, the locking block is placed on the limiting guide groove to move, a spring bolt for locking extends out of the outward side end of the locking block, the lower end of the operating rotating cam is provided with an eccentric wheel, the locking block is provided with a U-shaped groove corresponding to the eccentric wheel, the eccentric wheel is arranged in the U-shaped groove, the eccentric wheel rotates to drive the U-shaped groove to translate, and then the spring bolt on the locking block moves along the limiting guide groove.

And a manual operating rod is inserted on the frame plate, and the end part of the manual operating rod can be inserted into a driving matching groove on the manual output component to drive the output component to rotate.

The structure of the utility model makes the operation mode in automatic, manual and padlock states, when the operation selection cam rotates to the automatic state, the shielding plate covers the driving matching groove, the lock tongue does not translate to extend out the operation of locking double power supply conversion, thus realizing the automatic rapid conversion operation of double power supplies, when the operation selection cam rotates to the manual state, the shielding plate withdraws from the position above the driving matching groove, then the manual operation rod is taken out, the manual operation rod is matched with the driving matching groove through the manual operation rod, and the driving matching groove is rotated to rotate so as to drive the rapid conversion operation of double power supplies, when the padlock is needed, the operation selection cam continues to rotate, so that the limiting hook plate is aligned with the X axial groove, then the padlock knob is pulled up for a distance, at the moment, the limiting hook plate is inserted into the X axial groove to butt against the inner wall of the abdicating groove, so that the hanging hole exposes the end surface of the operation selection cam, therefore, the padlock function is realized by inserting the lock pin into the hanging hole to prevent the operation of the operation selection cam, and the technical effects of preventing misoperation and having good operation reliability are achieved.

The invention is further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a perspective view showing the usage state of the present invention;

FIG. 2 is a perspective view of an embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a perspective view of a shielding plate according to an embodiment of the present invention.

Detailed Description

The following detailed description of the present invention is provided for the purpose of illustration only, and is not intended to limit the scope of the present invention.

As shown in fig. 1-3, the embodiment discloses a manual and automatic padlock mechanism of a dual power supply fast transfer switch, which includes a frame plate 4, an operation selection cam 5, a locking block 6 and a manual output part 7 are installed on the frame plate 4, a slidable shielding plate 8 is arranged above the frame plate 4, a locking tongue 61 is arranged on the locking block 6, the operation selection cam 5 is rotatably installed on the frame plate 4, the operation selection cam 5 drives the shielding plate 8 and the locking tongue 61 to move in a translation manner, a driving matching groove 71 (the driving matching groove 71 is an inner hexagonal groove) is arranged on the manual output part 7, the shielding plate 8 can be exposed out of the driving matching groove 71 after translation, the dual power supply fast transfer switch includes an intermediate gear 1, a first gear 2 for controlling a common power supply to be switched on and off and a second gear 3 for controlling the standby power supply to be switched on and off, the first gear 2 and the second gear 3 are respectively engaged with the intermediate gear 1 for transmission, the positive and negative rotation of the intermediate gear 1 is driven by an excitation switch, a rotating rod is arranged on the frame plate 4, the rotating rod is in transmission connection with the intermediate gear 1, the end surface of the rotating rod is connected with a manual output part 7, a driving matching groove 71 is arranged in the movable range of the shielding plate 8, the manual operating rod 12 is further included, the end of the manual operating rod 12 can be matched with the driving matching groove 71 for transmission, the selection cam 5 is operated to drive the shielding plate 8 and the bolt 61 to move timely, a lock plate 100 is arranged corresponding to the bolt 61, one end of the lock plate 100 is provided with a rack which is engaged and driven with the first gear 2, the other end is connected to a sliding block which slides transversely, the bolt 61 can move to be matched with the locking plate 100 in a concave-convex insertion way by operating the selection cam 5 and fix the locking plate 100, and then lock first gear, first gear pinning back, intermediate gear and second gear have also locked to prevent the emergence of maloperation.

The operation selection cam 5 is provided with a shifting block 52, the shielding plate 8 is provided with a translation groove 9, as shown in fig. 4, the shifting block 52 is arranged in the translation groove 9 to drive the shielding plate 8 to move, the translation groove 9 comprises a Y-shaped axial groove 91 and an X-shaped axial groove 92, the X-shaped axial groove 92 is arranged in the middle of the Y-shaped axial groove 91 and communicated with each other, the shifting block 52 is arranged in the Y-shaped axial groove 91, a padlock knob 10 is inserted in the operation selection cam 5, the padlock knob 10 is used as a handle to rotate the operation selection cam 5, the lower end of the padlock knob 10 is connected with a limit hook plate 11, the operation selection cam 5 is provided with a abdicating groove 51 for the limit hook plate 11 to move, the limit hook plate 11 and the padlock knob 10 are arranged in parallel, the limit hook plate 11 can pass through the X-shaped axial groove 92, a hanging hole 102 is arranged on the peripheral wall of the padlock knob 10, and when the limit hook plate 11 is aligned with the X-shaped axial groove 92, the padlock knob 10 can be pulled up for a certain distance, meanwhile, the limiting hook plate 11 is inserted into the X-shaped axial groove 92 to abut against the inner wall of the abdicating groove 51, so that the end face of the operation selection cam 5 is exposed out of the hanging hole, and at the moment, the padlock function is realized by inserting the lock pin into the hanging hole to prevent the operation selection cam 5 from operating.

The frame plate 4 is provided with a limiting guide groove 41 for placing the locking block 6, the locking block 6 is placed on the limiting guide groove 41 to move, a bolt 61 for locking extends out of the outward end of the locking block 6, the lower end of the operation selection cam is provided with an eccentric wheel 53, the locking block 6 is provided with a U-shaped groove 62 corresponding to the eccentric wheel 53, the eccentric wheel 53 is arranged in the U-shaped groove 62, the eccentric wheel 53 rotates to drive the U-shaped groove 62 to translate, and then the bolt 61 on the locking block 6 moves along the limiting guide groove 41. The rotation of the selection cam 5 is operated to control the locking block to move back and forth, so that the bolt 61 is controlled to stretch.

A manual operating rod 12 is further inserted on the frame plate 4, the end of the manual operating rod 12 can be inserted into a driving matching groove 71 on the manual output part 7 to match, so as to drive the manual output part 7 to rotate, the manual output part 7 is linked with the intermediate gear 1, namely, the manual output part 7 is connected to one end of a rotating rod 20, the rotating rod is connected with a first bevel gear 30, the middle shaft of the intermediate gear 1 is connected with a second bevel gear 40, and the first bevel gear 30 is in gear meshing transmission with the second bevel gear 40. Therefore, the rotation of the manual output part 7 can be manually controlled, and the excitation coil is further replaced to drive the intermediate gear to rotate forwards and backwards, so that the manual control dual-power supply quick switching is realized.

The working principle of the manual-automatic padlock mechanism is as follows: in an initial state, namely an automatic state, the shifting block 52 is positioned at the left end of the Y-shaped axial groove 91 and is in a state of switching a double power supply under the control of an excitation switch, after the selection cam 5 is operated to rotate clockwise by 90 degrees, the shifting block 52 is positioned in a positioning groove on the side wall of the middle part of the Y-shaped axial groove 91, meanwhile, the shifting block 52 drives the shielding plate 8 to move for a distance so as to expose the driving matching groove 71 on the manual output part 7, thereby facilitating the insertion and matching of the manual operating rod 12 and realizing the quick switching of the double power supply by manual operation, after the selection cam 5 is operated to rotate clockwise by 90 degrees, the shifting block 52 rotates to the right end of the Y-shaped axial groove 91, at the moment, the shielding plate 8 returns to shield the driving matching groove 71, meanwhile, the eccentric wheel 53 of the selection cam is operated to drive the locking block 6 to move, so that the bolt 61 on the locking block 6 moves out of a concave-convex insertion sheet which is matched with the locking hole 101 on the locking plate 100, the first gear is locked, the intermediate gear and the second gear are also locked, misoperation is prevented, at the moment, when the limiting hook plate 11 is aligned with the X-shaped axial groove 92, the padlock knob 10 can be pulled up for a certain distance, meanwhile, the limiting hook plate 11 is inserted into the X-shaped axial groove 92 to abut against the inner wall of the yielding groove 51, the hanging hole is exposed out of the end face of the operation selection cam 5, at the moment, the locking pin can be inserted into the hanging hole, the padlock function is achieved, and operation of the operation selection cam 5 is prevented.

By adopting the technical scheme, the operation mode is in automatic, manual and padlock states, when the operation selection cam 5 rotates to an automatic state, the shielding plate 8 covers the driving matching groove 71, the lock tongue 61 does not translate and extend out to lock the operation of double power supply conversion, so that the automatic and rapid conversion operation of double power supplies can be realized, when the operation selection cam 5 rotates to a manual state, the shielding plate 8 is withdrawn from the position above the driving matching groove 71, then the manual operation rod 12 is taken out, the manual operation rod 12 is matched with the driving matching groove 71 and rotates the driving matching groove 71 to rotate so as to drive the rapid conversion operation of double power supplies, when the padlock is needed, the operation selection cam 5 continues to rotate, so that the limit hook plate 11 is aligned with the X-shaped axial groove 92, then the padlock knob 10 is pulled up for a distance, at the moment, the limit hook plate 11 is inserted into the X-shaped axial groove 92 and abutted against the inner wall of the abdicating groove 51, the hanging hole is exposed out of the end face of the operation selection cam 5, and the padlock function is realized by inserting the lock pin into the hanging hole to prevent the operation of the operation selection cam 5, so that the technical effects of preventing misoperation and having good operation reliability are achieved.

Claims

1. The utility model provides a manual automatic padlock mechanism of dual supply quick change over switch which characterized in that: including the frame plate, install operation selection cam, locking piece and manual output part on the frame plate the top of frame plate is equipped with slidable shielding plate, be equipped with the spring bolt on the locking piece, the operation selection cam rotationally installs on the frame plate, operation selection cam drive shielding plate and spring bolt translation motion, establish on the manual output part with drive cooperation groove, can expose this drive cooperation groove after the shielding plate translation.

2. The manual-automatic padlock mechanism of the dual-power quick change-over switch of claim 1, characterized in that: the operation rotating cam is provided with a shifting block, the shielding plate is provided with a translation groove, the shifting block is arranged in the translation groove to drive the shielding plate to move, the translation groove comprises a Y-shaped axial groove and an X-shaped axial groove, the X-shaped axial groove is arranged in the middle of the Y-shaped axial groove and communicated with each other, the shifting block is arranged in the Y-shaped axial groove, a padlock knob is inserted in the operation rotating cam, the lower end of the padlock knob is connected with a limiting hook plate, the operation rotating cam is provided with a abdicating groove for the limiting hook plate to move, the limiting hook plate and the padlock are arranged in parallel, the limiting hook plate can penetrate through the X-shaped axial groove, a hanging hole is arranged on the peripheral wall of the padlock knob, the limiting hook plate can pull up the padlock knob for a distance when aligned with the X-shaped axial groove, and meanwhile, the limiting hook plate is inserted in the X-shaped axial groove and abuts against the inner wall of the abdicating groove to enable the hanging hole to expose the end face of the operation selecting cam, at this time, the lock pin can be inserted into the hanging hole to realize the padlock function so as to prevent the operation of the operation selection cam.

3. The manual-automatic padlock mechanism of the dual-power quick change-over switch according to claim 1, characterized in that: the frame plate is provided with a limiting guide groove for placing the lock block, the lock block is placed in the limiting guide groove and moves, a lock tongue used for locking is extended out of the outward end of the lock block, the lower end of the operation rotating cam is provided with an eccentric wheel, a U-shaped groove corresponding to the eccentric wheel is formed in the lock block, the eccentric wheel is arranged in the U-shaped groove, the eccentric wheel rotates to drive the U-shaped groove to translate, and then the lock tongue on the lock block moves along the limiting guide groove.

4. The manual-automatic padlock mechanism of the dual-power quick change-over switch according to claim 1, characterized in that: and a manual operating rod is inserted on the frame plate, and the end part of the manual operating rod can be inserted into a driving matching groove on the manual output component to drive the output component to rotate.