CN217114152U - Automatic change over switch operation gear drive mechanism - Google Patents

Abstract

The automatic change-over switch operation gear transmission mechanism is characterized by comprising a driving cam (3) and a sliding door (4), wherein the sliding door (4) is arranged in a sliding door mounting groove (1a) on a face mask (1) and can slide back and forth, the sliding door (4) is connected with a sliding door return spring (5) to provide reset force for the sliding door (4), the driving cam (3) can be linked with the sliding door (4) in the rotating process, and the sliding door (4) slides back and forth in the sliding door mounting groove (1a) under the combined action of the driving cam (3) and the sliding door return spring (5). The whole control module has a simple structure, and the reliability of realizing the position state is improved.

Description

Automatic change over switch operation gear drive mechanism

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, specifically say so and relate to an automatic change over switch operation gear drive mechanism.

Background

Along with the development of society, the requirements of people on a power grid and the power grid in the power transmission and distribution process are gradually improved, and in some important power distribution occasions, a power supply system is required to ensure the continuity, so that the power utilization safety and the production life are not interrupted; the automatic change-over switch is provided with two or more groups of mutually independent contact systems, and can respectively control the connection/disconnection of a main power supply and a standby power supply which are connected with the automatic change-over switch under the action of the controller, so that the power transmission and distribution line is changed between the main power supply and the standby power supply; automatic transfer switches are therefore widely used in this field.

The existing automatic change-over switch is generally provided with a switching device between an automatic position, a manual position and a padlock position, an operator only needs to operate an indicating member arranged on a panel to carry out operation under a corresponding mode, when the indicating member is displayed at the automatic position, the controller controls switching-on and switching-off operation of the switch, the operator cannot carry out switching-on and switching-off operation of the switch through tools such as a handle and the like, and meanwhile, a padlock plate cannot be pulled out to carry out the padlock, when the indicating member is displayed at the manual position, the controller needs to quit control, the operator can insert the tools such as the handle and the like into an operation hole of an operating mechanism to carry out operation, the padlock plate cannot be pulled out to carry out the padlock, when the indicating member is displayed at the padlock position, the controller needs to quit control, and simultaneously, the operator cannot carry out switching-on and switching-off operation of the switch through the tools such as the handle and the like, the padlock plate can be pulled out of the padlock. In some operation scenes, if a fault occurs, when maintenance is needed, in order to ensure the safety of operators, the padlock plate can be pulled out for padlock only when the padlock plate is in a double-division position. However, the above-described conventional structure has the following drawbacks: 1) The operation button on the panel is small, but the operation force value is large, and large operation force is needed; 2) the hand-operated handle is generally placed on the side surface of the switch or separated from the switch, so that the phenomenon that the handle cannot be found or is missed when the hand-operated handle leaves a factory is easy to occur during field operation; 3) the three positions of the automatic padlock, the manual padlock and the padlock are not related, so that the operation of another state is easy to be carried out in one position, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at is exactly the defect to above-mentioned current automatic change over switching device existence, an automatic change over switch operation gear drive mechanism is proposed, through the redesign to automatic change over switching device operation mode control module structure, the required operating force of automatic change over switch operation mode control module has been reduced, simultaneously automatic, the link gear between manual and the three position state of padlock is correlated with each other, realize automatic, manual, interlock between the padlock three positions, the maloperation of carrying out other position states under a certain position state has been avoided, moreover, the steam generator is simple in structure, the reliability that the position state realized has been improved.

Technical scheme

In order to realize the technical purpose, the utility model provides an automatic change over switch operation gear drive mechanism which characterized in that it includes drive cam and sliding door, and the sliding door dress can make a round trip to slide in the sliding door mounting groove on the face guard, the sliding door is connected with sliding door reset spring and provides the restoring force for it, the drive cam rotates the in-process and can links the sliding door, the sliding door is in drive cam with sliding door reset spring combined action down make a round trip to slide in the sliding door mounting groove.

Furthermore, the driving cam comprises a driving cam body, an automatic gear coupling surface, a manual gear coupling surface and a padlock gear coupling surface are arranged on the outer edge surface of the driving cam body, and in the rotating process of the driving cam, the driving cam passes through the automatic gear coupling surface, and the manual gear coupling surface and the padlock gear coupling surface are linked with the sliding door.

Furthermore, the sliding door is provided with a sliding coupling surface corresponding to the automatic gear coupling surface, the manual gear coupling surface and the padlock gear coupling surface.

Furthermore, an opening is formed in the sliding door corresponding to the driving cam body, and the driving cam body rotates in the opening.

Furthermore, the sliding door return springs are horizontally arranged in the vertical direction of the sliding door, and the number of the sliding door return springs is 2 so as to ensure that the sliding door horizontally and smoothly slides.

Furthermore, one end of the sliding door return spring is connected in a spring hole on the sliding door, and the other end of the sliding door return spring is arranged in a spring mounting hole on the inner side of the face shield.

Further, the drive cam is located inside the mask.

Further, the sliding door is mounted inside the visor.

Advantageous effects

The utility model provides a pair of automatic change over switch operation gear drive mechanism can realize the switching between automatic, manual, padlock three positions, simultaneously, compares in current automatic change over switch operation mode control unit and has following advantage:

1) interlocking and switching among the three gears are realized in a rotating mode, so that labor is saved;

2) the padlock plate can be pulled out for padlock only when the opening and hanging are in the double-division position;

3) the front face of the face mask is provided with a handle containing cavity and a clear mark, so that the problem that the handle cannot be found and the handle fails to be sent out is solved.

4) The whole control module has a simple structure, and the reliability of realizing the position state is improved.

Drawings

Fig. 1 is a schematic diagram of an assembly of a control module in an embodiment of the present invention;

fig. 2 is a schematic view of a control module mounting structure in an embodiment of the present invention;

FIG. 3 is a schematic view of the mask structure in the embodiment of the present invention;

FIG. 4 is a schematic view of a knob structure in an embodiment of the present invention;

fig. 5 is a schematic structural view of a driving cam in the embodiment of the present invention;

FIG. 6 is a schematic structural view of the sliding door according to the embodiment of the present invention;

FIG. 7 is a schematic diagram of a padlock plate structure according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a lever structure in an embodiment of the present invention;

FIG. 9 is a schematic view of the installation cover structure in the embodiment of the present invention;

FIG. 10 is a schematic view of the handle structure in the embodiment of the present invention;

fig. 11 is a schematic view of a cam rocker mechanism when the embodiment of the present invention is in power switch-on;

fig. 12 is a schematic view of the installation structure of the control module when the power supply is switched on according to the embodiment of the present invention;

FIG. 13 is a schematic view of the cam rocker mechanism in the double-split position according to the embodiment of the present invention;

fig. 14 is a schematic view of the mounting structure of the control module in the dual-split position according to the embodiment of the present invention;

FIG. 15 is a schematic view of the embodiment of the present invention in a rocker structure;

fig. 16 is a schematic structural view of a driving cam according to an embodiment of the present invention;

fig. 17 is a schematic structural view of the embodiment of the present invention in the automatic mode;

fig. 18 is a schematic structural view of the embodiment of the present invention in a manual mode;

fig. 19 is a structural schematic diagram of an embodiment of the present invention in padlock mode;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inside", "outside", and the like are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Examples

As shown in the attached figures 1,2 and 12, an automatic change-over switch operation mode control module comprises a face mask 1, a knob 2 is installed on the face mask 1 and can rotate to a corresponding operation mode, a driving cam 3 and the knob 2 are installed together, the driving cam 3 and the knob 2 synchronously rotate, a sliding door 4 is installed in a sliding door installation groove 1a on the face mask 1 and can slide back and forth, the sliding door 4 is connected with a sliding door return spring 5 to provide a return force for the sliding door 4, the driving cam 3 can be linked with a micro switch 6 in the rotating process to enable the micro switch to be located in a corresponding triggering or disconnecting state, the driving cam 3 can be linked with the sliding door 4 in the rotating process, the sliding door 4 is in the state that the driving cam 3 and the sliding door return spring 5 jointly act to carry out corresponding sealing or closing on a manual operation area 1b and a handle installation groove hole 1c on the face mask 1 When the sliding door 4 is opened, the sliding door 4 can correspondingly limit or unlock a padlock plate 7 on the face mask 1 in the process of sliding back and forth in the sliding door installation groove 1a under the combined action of the driving cam 3 and the sliding door return spring 5; meanwhile, the sliding door locking mechanism 8 can correspondingly limit or unlock the sliding of the sliding door 4 in the sliding door installation groove 1a, so that the padlock plate 7 can only realize padlock when the automatic change-over switch is in a double-division position.

For a better understanding of the structure and operation of the automatic transfer switch, the following is a more detailed description of the various components taken in conjunction with the accompanying drawings:

as shown in fig. 4, the knob 2 includes a rotating body 201, the rotating body 201 is installed in a knob installing groove 101 on the face mask 1 shown in fig. 3, an operating portion 201a is provided on a surface of the rotating body 201 facing the outer side of the face mask 1, an installing column 201b is provided on a surface of the rotating body 201 facing the inner side of the face mask 1, the installing column 201b extends into the inner side of the face mask 1 from a knob hole 101a at the bottom of the knob installing groove 101 shown in fig. 3, and an end surface of the installing column 201b is provided with a connecting hole 201b01 and a connecting limiting column 201b02 for connecting with the driving cam 3.

In this embodiment, the drive cam 3 is located inside the mask 1. As shown in fig. 5, the driving cam 3 includes a driving cam body 301, a side surface of the driving cam body 301 corresponding to the connecting hole 201b01 and the connecting limiting post 201b02 is provided with a corresponding driving cam connecting hole 301a and a connecting limiting post mounting hole 301b for fixedly connecting with the knob 2, the driving cam body 301 extends out of the micro switch linkage arm 302 for linkage with the micro switch 6, an automatic gear linkage surface 301d, a manual gear linkage surface 301e and a padlock gear linkage surface 301f are provided on an outer edge surface of the driving cam body 301, and in a process that the driving cam 3 rotates along with the knob 2, the driving cam 3 is linked with the sliding door 4 through the automatic gear linkage surface 301d, the manual gear linkage surface 301e and the padlock gear linkage surface 301 f. A guide post 301g is arranged on one surface of the driving cam body 301 facing the inner side of the face mask 1, and the guide post 301g is arranged in the rotating guide rail 102 on the face mask 1 and can be limited in rotating stroke.

In this embodiment, the sliding door 4 is mounted inside the visor 1. As shown in fig. 6, a sliding coupling surface 401 is disposed at a position corresponding to the automatic-gear coupling surface 301d, the manual-gear coupling surface 301e and the padlock-gear coupling surface 301f on the sliding door 4, a shielding surface 402 is disposed at a position corresponding to the manual operation area 1b on the sliding door 4, a locking groove 403 is disposed at a position corresponding to the handle installation slot hole 1c on the sliding door 4, and a limiting portion 404 is disposed at a position corresponding to the padlock plate 7 on the sliding door 4. An opening 405 is formed in the sliding door 4 corresponding to the driving cam body 301, and the driving cam body 301 rotates in the opening 405. The sliding door 4 is provided with a horizontal sliding limiting guiding long slot hole 407, and the sliding limiting guiding long slot hole 407 is mounted on the limiting guiding column 104 on the inner side of the face mask 1 to ensure that the sliding door 4 slides horizontally. The sliding door return spring 5 is horizontally arranged in the vertical direction of the sliding door 4, and the number of the sliding door return springs 5 is preferably 2 to ensure that the sliding door 4 horizontally and smoothly slides. One end of the sliding door return spring 5 is connected to the spring hole 406 of the sliding door 4, and the other end is installed in the spring installation hole 103 inside the face mask 1.

The padlock plate 7 shown in fig. 7 is rotatably mounted in the padlock plate mounting hole 108 at the inner side of the mask 1 shown in fig. 3 by using the padlock plate mounting shaft 7a, the padlock plate mounting shaft 7a is provided with a padlock plate torsion spring 7b for resetting the padlock plate 7, the padlock plate torsion spring 7 abuts against the torsion spring limiting surface 702 on the padlock plate, the padlock plate 7 is provided with a stop surface 701 corresponding to the limiting part 404, the rotation process of the padlock plate 7 can be limited or unlocked by the limiting part 404 at the corresponding gear position, and the padlock plate 7 is provided with a plurality of padlock holes 703 with different apertures for being matched with locks with different sizes.

The installation cover 9 shown in fig. 9 is installed inside the face mask 1 corresponding to the position of the sliding door 4, and the sliding groove one 901 inside the installation cover 9 and the sliding groove two 105 on the inside of the face mask 1 are combined to form a sliding door installation groove 1a to ensure that the sliding door 4 does not fall off during the sliding process of the sliding door installation groove 1 a.

The sliding door locking mechanism 8 comprises a lever 8a shown in fig. 8, the lever 8a is rotatably mounted on the inner side of the face mask 1 by using a lever shaft 8b and can be limited by a lever limiting protrusion 110 on the face mask 1 in a rotating stroke, as shown in fig. 2, the lever 8a is connected with a lever torsion spring 8c, the lever torsion spring 8c is mounted on the lever shaft 8b and supports against a lever limiting part 8a03 on the lever 8a, one end of the lever 8a is linked with the sliding door 4 in a rotating process to limit or release the sliding position of the sliding door 4 in the sliding door mounting groove 1a, and the other end of the lever 8a is linked with a cam rocker mechanism 10.

In particular, the method comprises the following steps: as shown in fig. 11 and 13, the cam rocker mechanism 10 includes a cam 10a and a rocker 10b, the cam 10a is mounted on a main shaft 11 of the automatic transfer switch operating mechanism by a connecting square hole 10a02 and can be driven by the main shaft 11 to rotate back and forth, the rocker 10b is rotatably mounted on the bracket 12, as shown in fig. 11, the cam 10a is provided with a driving surface 10a01, the rocker 10b is provided with a coupling surface 10b01 in corresponding contact with the driving surface 10a01, the cam 10a can drive the coupling surface 10b01 to rotate the rocker 10b around a rotation center o by the driving surface 10a01 during the back and forth rotation of the main shaft 11, a balance spring 10c is connected to both sides of the rocker 10b for keeping the rocker 10b balanced when driven by the cam 10a to rotate, one end of the balance spring 10c is mounted on the bracket 12, the other end of the rocker 10b is mounted on a balance spring mounting hole 10b04 on the rocker 10b, a first lever driving surface 10b02 and a second lever driving surface 10b03 are arranged on the upper end side of the rocker 10b, and in the process that the cam 10a rotates back and forth along with the main shaft 11, the first lever driving surface 10b02 and the second lever driving surface 10b03 are correspondingly linked with the other end of the lever respectively.

In further detail, as shown in fig. 16, the driving surface 10a01 includes a limiting driving surface 10a0101 and an unlocking driving surface 10a0102, the limiting driving surface 10a0101 is linked with the coupling surface 10b01 to enable the lever driving surface one 10b02 to be linked with the other end of the lever 8a to limit the sliding position of the sliding door 4, and the unlocking driving surface 10a0102 is linked with the coupling surface 10b01 to enable the lever driving surface two 10b03 to be linked with the other end of the lever 8a to unlock the sliding position of the sliding door 4.

The working principle of the embodiment is as follows: as shown in fig. 1,2 and 3, the micro switch 6 is mounted in a micro switch mounting groove 109 formed in the inner side of the mask 1. The knob 2 is arranged in the knob mounting groove 101 from the front of the face mask 1, the driving cam 3 is arranged in from the back of the face mask 1, the connection limiting column 201b02 is matched with the connection limiting column mounting hole 301b, the guide column 301g is arranged in the rotating guide rail 102 on the face mask 1, the driving cam 3 is fixed with the knob 2 by being arranged in the connecting hole 201b01 and the driving cam connecting hole 301a through fasteners, the lever 8a and the lever torsion spring 8c as well as the padlock plate 7 and the padlock plate torsion spring 7b are respectively arranged in the lever mounting hole 106 and the padlock plate mounting hole 108 on the face mask 1 correspondingly, the sliding door return spring 5 is arranged in the spring hole 406 of the sliding door 4, the sliding limit guide long slot 407 is matched with the limit guide column 104 on the inner side of the face mask 1, the other end of the sliding door return spring 5 is hung in the spring mounting hole 103 on the inner side of the face mask 1, the mounting cover 9 is arranged on the sliding door 4, the installation cover limiting hole 9a is matched with the limiting guide post 104, the installation cover installation post 107 on the face mask 1 is matched with the installation cover connecting hole 9b, and the sliding door 4 is ensured not to fall off in the sliding process of the sliding door installation groove 1a through fixed installation of a fastener.

As shown in fig. 1 and 17, when the knob 2 is turned until the operation portion 201a disposed on the knob 2 is located at the automatic gear position upward, the microswitch interlocking arm 302 disposed on the drive cam 3 contacts with the paddle disposed on the microswitch 6, the microswitch 6 is switched on, an automatic control signal is transmitted to the controller, and the controller enters a control state. At this time, the sliding door 4 moves toward one end close to the padlock plate 7 under the pulling force of the sliding door return spring 5 until the corresponding part of the sliding coupling surface 401 contacts with the automatic gear coupling surface 301d provided on the driving cam body 301, the manual operation area 1b provided on the mask 1 is closed by the shielding surface 402 provided on the sliding door 4, the locking groove 403 is located in the handle limit groove 1301 provided on the handle 13 as shown in fig. 10, the handle 13 cannot be pulled out, and at this time, the manual operation cannot be performed, the limit portion 404 provided on the sliding door 4 is located above the stop surface 701 provided on the padlock plate 7, and the padlock plate 7 cannot be rotated and pulled out for performing padlock.

As shown in fig. 1 and 18, when the rotary knob 2 is rotated 90 ° counterclockwise until the operation portion 201a provided on the rotary knob 2 is positioned at the manual shift position to the left, the manual shift interlocking surface 301e provided on the drive cam 3 is also rotated 90 °, the micro switch 6 is turned off, the controller is withdrawn from the control, the manual shift interlocking surface 301e provided on the drive cam 3 is brought into contact with the slide interlocking surface 401 provided on the slide door 4, so that the slide door 4 is moved in a direction away from the padlock plate 7, the limit of the manual operation region 1b is released, the limit of the handle 13 is also released, at this time, the pull-out handle 13 is manually opened and closed, the limit portion 404 provided on the slide door 4 is still positioned above the stop surface 701 provided on the padlock plate 7, and the padlock plate 7 cannot be pulled out to perform a padlock.

As shown in fig. 1 and 19, when the rotary knob 2 is rotated 180 ° counterclockwise until the operation portion 201a provided on the rotary knob 2 faces downward, the padlock stop coupling surface 301f provided on the drive cam 3 is also rotated 180 ° along with this until the sliding coupling surface 401 comes into contact with the padlock stop coupling surface 301f, at which time the micro switch 6 is still off, the controller exits the control, the sliding door 4 moves toward the end close to the padlock plate 7 by the pulling force of the sliding door return spring 5, the manual operation area 1b provided on the face mask 1 is closed by the shielding surface 402 provided on the sliding door 4, the card slot 403 is located in the handle limit groove 1201 provided on the handle 13, the manual operation cannot be performed, the limit portion 404 provided on the sliding door 4 moves to the left side of the stop surface 701 provided on the padlock plate 7, the limit of the padlock plate 7 is released, at which time the padlock plate 7 can be pulled out until the padlock hole provided on the padlock plate 7 leaks out of the front face of the face mask 701, at this point, a padlock can be performed.

As shown in fig. 11 and 12, when the operating mechanism is rotated to the power on position and the power display window 111 on the mask displays that the cam 10a rotates to the on position along with the main shaft 11, the limit driving surface 10a0101 arranged on the cam 10a contacts with the coupling surface 10b01 arranged on the rocker 10b, the rocker 10b rotates under the action of the balance spring 10c, the lever driving surface one 10b02 arranged on the rocker 10b contacts with the other end 8a01 of the lever 8a, so that the lever 8a rotates under the action of the lever torsion spring 8c, the sliding door 4 cannot slide to the side far away from the padlock plate 7 under the action of the one end 8a02 of the lever 8a, and therefore the knob 2 cannot be rotated to the padlock position.

As shown in fig. 13 and 14, when the operating mechanism is rotated to the double-split position, the cam 10a rotates to the double-split position along with the main shaft 11, the unlocking driving surface 10a0102 provided on the cam 10a contacts with the coupling surface 10b01 provided on the rocker 10b, the rocker 10b stops at the middle position by the action of the balance spring 10c, the unlocking driving surface 10a0102 provided on the rocker 10b contacts with the other end 8a01 of the lever 8a, so that the lever 8a rotates, one end 8a02 of the lever 8a is far from the visor 1, the limit of the sliding door 4 is released, at this time, when the operating knob 2 reaches the padlock position, the sliding door 4 slides a distance away from the padlock plate 7 by the action of the stepped portion 401a on the sliding coupling surface 401 of the sliding door 4, and moves toward the side of the padlock plate 7 by the action of the pulling force of the sliding door return spring 5, until the corresponding portion of the sliding surface 401 of the sliding door 4 comes into contact with the drive cam 301f, the padlock plate 7 cannot be pulled out for padlock.

The embodiment of the utility model provides an automatic change over switch operation mode control module, through the redesign to automatic change over switch operation mode control module structure, realize interlocking under automatic, padlock, manual three kinds of modes through the mode of rotation, reduced the required operating force of automatic change over switch operation mode control module; and meanwhile, the linkage mechanisms among the three position states of automatic, manual and padlock are mutually associated, so that misoperation of other position states in a certain position state is avoided, the whole control module has a simple structure, and the reliability of realizing the position states is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The automatic change-over switch operation gear transmission mechanism is characterized by comprising a driving cam (3) and a sliding door (4), wherein the sliding door (4) is arranged in a sliding door mounting groove (1a) on a face mask (1) and can slide back and forth, the sliding door (4) is connected with a sliding door return spring (5) to provide reset force for the sliding door (4), the driving cam (3) can be linked with the sliding door (4) in the rotating process, and the sliding door (4) slides back and forth in the sliding door mounting groove (1a) under the combined action of the driving cam (3) and the sliding door return spring (5).

2. The automatic transfer switch operating range transmission mechanism according to claim 1, wherein the driving cam (3) comprises a driving cam body (301), an automatic range coupling surface (301d), a manual range coupling surface (301e) and a padlock range coupling surface (301f) are arranged on an outer edge surface of the driving cam body (301), and during rotation of the driving cam (3), the driving cam (3) is linked with the sliding door (4) through the automatic range coupling surface (301d), the manual range coupling surface (301e) and the padlock range coupling surface (301 f).

3. The automatic transfer switch operating range transmission mechanism according to claim 1, wherein the sliding door (4) is provided with a sliding coupling surface (401) corresponding to the automatic range coupling surface (301d), the manual range coupling surface (301e) and the padlock range coupling surface (301 f).

4. An automatic transfer switch operating range transmission mechanism as claimed in claim 3, wherein said slide door (4) is provided with an opening (405) at a position corresponding to said drive cam body (301), and said drive cam body (301) rotates in said opening (405).

5. The automatic transfer switch operating range transmission mechanism according to claim 1, wherein said sliding door return springs (5) are horizontally disposed in a vertical direction of said sliding door (4), and the number of said sliding door return springs (5) is 2 for ensuring smooth horizontal sliding of said sliding door (4).

6. The automatic transfer switch operating range transmission mechanism according to claim 1 or 5, wherein one end of said sliding door return spring (5) is connected to a spring hole (406) of said sliding door (4), and the other end is installed in a spring installation hole (103) inside said cover (1).

7. An automatic transfer switch operated range transmission as claimed in claim 1, characterized in that said drive cam (3) is located inside said mask (1).

8. An automatic transfer switch operating range transmission according to claim 1, wherein said sliding door (4) is mounted inside said cover (1).

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