CN209963612U - Drawer switch operating mechanism and drawer type switch cabinet - Google Patents

Abstract

The utility model provides a drawer switch operating device and drawer type cubical switchboard, wherein, drawer switch operating device includes: the movable bottom plate moves along with the drawer switch; the auxiliary switch II is provided with a normally open contact II and a normally closed contact II, the normally closed contact II is connected with a secondary circuit of the circuit breaker in series, and a first indicator lamp is connected in series in a circuit connected with the normally open contact II; the connecting sheet is suitable for being in contact with the auxiliary switch II, and when the drawer switch moves to the opening position, the connecting sheet is in contact with the auxiliary switch II, so that the normally closed contact II of the auxiliary switch II is disconnected and the normally open contact II of the auxiliary switch II is connected; the utility model discloses a drawer switch operating device, after operation drawer switch removed to the separating brake position, during the secondary circuit disconnection of circuit breaker, first pilot lamp was lighted to make operating personnel just can obviously see out whether the secondary circuit of circuit breaker breaks off from the scene, with guarantee maintenance staff's safety, closing coil also can not switch on, thereby guarantees that closing coil can not burnt.

Description

Drawer switch operating mechanism and drawer type switch cabinet

Technical Field

The utility model relates to a drawer type switching device technical field that can pull out for keeping apart, concretely relates to drawer switch operating device and drawer type cubical switchboard.

Background

The drawer type switch cabinet is a closed shell made of steel plates, and electric elements of the wire inlet and outlet loop are all installed in the drawer capable of being pulled out, so that a functional unit capable of completing a certain type of power supply task is formed. The functional units are separated from the bus bars or cables by the grounded metal plates or plastic functional plates, so that three areas of the bus bars, the functional units and the cables are formed. There is also a separation between each functional unit. The drawer type switch cabinet has higher reliability, safety and interchangeability, is a more advanced switch cabinet, and most of the switch cabinets produced at present are drawer type switch cabinets. The power distribution center is suitable for industrial and mining enterprises and high-rise buildings which require high power supply reliability and serves as a centralized control power distribution center.

The development of the drawer unit is the key for realizing the overall function of the switch cabinet, and the optimal protection can be realized only by systematic research. The existing MNS, GCS, GCK and other low-voltage draw-out type switch cabinets in China are provided with three mechanical positions (opening, testing and connecting), but are not obvious enough and are not beneficial to the operation and maintenance of operators. In order to solve the problem, chinese patent document CN206293809U discloses a low-voltage drawer switch cabinet pushing mechanism and a low-voltage drawer switch cabinet, including: bottom plate, positioning seat and the sign connecting rod of rotation connection on the bottom plate, during the switch drawer, drive the bottom plate and slide along the positioning seat, the inclined plane drive sign connecting rod on the positioning seat swings to the position that the sign show that the messenger is located on the sign connecting rod is different, is used for instructing the state that the drawer is in at present. In the solution described above, the drawer position is indicated clearly on the mechanical side.

However, when the circuit breaker is in the open state, although the secondary circuit of the circuit breaker should be in the open state theoretically, in the field operation, the judgment is only made according to the position of the drawer switch, and the fact that the secondary circuit is opened cannot be directly determined. If, when the circuit breaker was in the separating brake state, secondary circuit still was in the connected state, would bring danger for maintenance work to, if this moment because the maloperation, carry out electrical closing, would make the coil of closing a floodgate burn out.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming when the circuit breaker among the prior art is in the separating brake state, can't judge the defect whether the secondary circuit breaks off equally at the scene to a drawer switch operating device that can obviously show that the secondary circuit is in the off-state when the circuit breaker is in the combined floodgate state is provided.

The utility model also provides a drawer type switch with above-mentioned drawer switch operating device

In order to solve the technical problem, the utility model provides a drawer switch operating device, include:

the movable bottom plate moves along with the drawer switch;

the auxiliary switch II is provided with a normally open contact II and a normally closed contact II, the normally closed contact II is connected with a secondary circuit of the circuit breaker in series, and a first indicator lamp is connected in series in a circuit connected with the normally open contact II;

the connecting piece is suitable for being in contact with the auxiliary switch II, and when the drawer switch moves to the opening position, the connecting piece is in contact with the auxiliary switch II, so that the normally closed contact II of the auxiliary switch II is disconnected and the normally open contact II is connected.

Preferably, the auxiliary switch II is fixedly connected to the movable bottom plate.

Preferably, the connecting sheet is movably connected to the movable bottom plate.

Preferably, the connecting piece is rotatably connected to the movable bottom plate through a rotating shaft.

Preferably, the method further comprises the following steps:

the guide positioning seat is fixedly arranged relative to the movable bottom plate and is positioned below the movable bottom plate;

the connecting piece is provided with a sliding column which extends downwards and then is in sliding contact with the guide positioning seat, and when the movable bottom plate moves along with the drawer switch, the sliding column slides relatively along the guide positioning seat to drive the connecting piece to rotate around the rotating shaft on the movable bottom plate.

Preferably, the method further comprises the following steps:

the switching-on locking rod is connected to a switching-off and switching-on rod of the circuit breaker and has a locking state of extending downwards along with the rotation of the switching-off and switching-on rod;

and the locking rod locking hole is arranged on the bottom plate of the drawer compartment, and when the drawer switch is positioned at a switching-on position, the locking rod locking hole is opposite to the switching-on locking rod, so that the switching-on locking rod is inserted into the locking rod locking hole to lock the drawer switch when extending downwards.

Preferably, the method further comprises the following steps:

and the insertion seat is arranged on the movable bottom plate and is provided with a guide through hole for accommodating the closing locking rod, so that the closing locking rod can move in the guide through hole in a telescopic manner.

Preferably, the method further comprises the following steps:

the movable special-shaped plate is movably connected to the movable bottom plate and is provided with an insertion hole which is overlapped or staggered with the locking rod locking hole;

unblock connecting plate, sliding connection on drawer switch's panel, with activity dysmorphism board is connected, through the sliding drive activity dysmorphism board makes the patchhole of activity dysmorphism board with the guide through hole of plug-in seat with the activity bottom plate pass the coincidence or stagger.

Preferably, the movable special-shaped plate is respectively connected with the movable bottom plate and the unlocking connecting plate in a rotating manner through a rotating shaft.

The utility model provides a drawer type switch cabinet, including any one of at least one above-mentioned scheme drawer switch operating device.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a drawer switch operating device, when operation drawer switch moves to the separating brake position, the connection piece contacts with auxiliary switch II, makes the normally closed contact II of auxiliary switch II establish ties and breaks off at the secondary circuit of circuit breaker, and makes the loop of the normally open contact II of auxiliary switch II communicate, makes the first pilot lamp of establishing ties in the loop that normally open contact II connects light, in order to instruct the secondary circuit of circuit breaker to have broken off, thereby make operating personnel can obviously see out whether the secondary circuit of circuit breaker breaks off from the scene, in order to ensure maintenance staff's safety; and under the condition that the normally closed contact II of the auxiliary switch II is disconnected, even if electrical switching-on is carried out, the switching-on coil cannot be conducted, so that the switching-on coil cannot be burnt.

2. The drawer switch operating mechanism provided by the utility model is provided with the guide positioning seat, and when the drawer switch moves, the connecting sheet can be driven to rotate and move between different positions, so that the connecting sheet and the auxiliary switch II are contacted and separated; meanwhile, the display board is connected on the connecting piece, so that the display board can rotate along with the connecting piece, different positions of the display board, which are displayed towards the outside of the panel of the drawer switch, are changed, and the switching-on position, the test position or the switching-off position of the drawer switch is visually displayed.

3. The utility model provides a drawer switch operating device has combined floodgate locking lever and locking lever lockhole, and when the drawer switch was located the combined floodgate position, the combined floodgate locking lever was relative with the locking lever lockhole, when revolving the divide-shut brake lever of revolving the circuit breaker, when carrying out the combined floodgate of the primary loop of circuit breaker, the rotation that the combined floodgate locking lever followed the branch combined floodgate pole stretched out downwards to make the combined floodgate locking lever stretch into in the locking lever lockhole, make the drawer switch locking can not remove, in order to guarantee can not manually operation drawer switch at combined floodgate state.

4. The utility model provides a drawer switch operating device has activity dysmorphism board and unblock connecting plate, when carrying out the drawer operation, makes activity dysmorphism board rotate through pressing the unblock connecting plate, can be through the patchhole on the activity dysmorphism board, judge whether combined floodgate locking lever still inserts and establish in the locking lever lockhole to when guaranteeing to carry out the drawer switch, the locking lever lockhole has been taken out to the combined floodgate locking lever, avoids producing the unnecessary impact to the divide-shut brake lever of combined floodgate locking lever, drawer compartment bottom plate or circuit breaker.

5. The utility model provides a drawer type switch cabinet has above-mentioned arbitrary advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a drawer switch operating mechanism.

Fig. 2 is a top view of fig. 1.

Fig. 3 is an enlarged view of the area a in fig. 2.

Fig. 4 is a schematic perspective view of fig. 3.

Fig. 5 is a schematic perspective view of the brake opening/closing lever hidden in fig. 4.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a perspective view of a drawer compartment floor.

Fig. 8 is an enlarged view of the region B in fig. 7.

Fig. 9 is a top view of the guiding orientation seat.

Fig. 10 is a schematic perspective view of the opening and closing lever and the closing locking lever.

Fig. 11 is a perspective view of the insert seat.

Fig. 12 is a schematic perspective view of the movable base plate.

Fig. 13 is a perspective view of the movable shaped plate.

Fig. 14 is a circuit diagram of a primary circuit of the circuit breaker.

Fig. 15 is a circuit diagram of a secondary circuit of the circuit breaker.

Description of reference numerals:

1. a drawer switch; 2. a drawer compartment; 3. a movable bottom plate; 4. an auxiliary switch I; 5. an auxiliary switch II; 6. connecting sheets; 7. a display board; 8. a panel; 9. an insertion seat; 10. a guide through hole; 11. a brake opening and closing rod; 12. a closing locking rod; 13. passing through the aperture; 14. a movable special-shaped plate; 15. unlocking the connecting plate; 16. an insertion hole; 17. a first torsion spring; 18. a second torsion spring; 19. a guide positioning seat; 20. a closing lock hole; 21. testing the lock hole; 22. closing a positioning groove; 23. a test positioning groove; 24. a traveler; 25. a positioning column; 26. a bevel; 27. positioning the surface; 28. a connecting rod; 29. a limiting step; 30. an arc-shaped through hole; 31. a first connection hole; 32. a second connection hole; 33. a normally open contact I; 34. a normally closed contact I; 35. a normally open contact II; 36. A normally closed contact II; 37. and closing the coil.

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 terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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," "connected," and "connected" are to be construed 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The present embodiment provides a drawer type switch cabinet, including at least one drawer switch operating mechanism, as shown in fig. 1, including: the device comprises a drawer switch 1 and a drawer compartment 2, wherein the drawer switch 1 is pulled and moved in the drawer compartment 2 to switch among a switching-on position, a testing position and a switching-off position, so that the switching-on and switching-off of a switching-on coil 37 of a breaker in the drawer switch 1 are realized.

As shown in fig. 2, the drawer switch 1 is pulled out of the drawer compartment 2, and the drawer switch 1 is in the open position.

As shown in fig. 3, a movable bottom plate 3 is provided in the drawer switch 1, the movable bottom plate 3 moves along with the drawer switch 1, and an auxiliary switch i 4 and an auxiliary switch ii 5 are fixedly provided on the movable bottom plate 3. Still be connected with connection piece 6 on movable bottom plate 3, connection piece 6 is rotatable through the pivot and connects on movable bottom plate 3, is connected with display board 7 at the end connection of connection piece 6, and the display screen is according to connection piece 6's rotation, towards the different positions of the panel 8 outside demonstration of drawer switch 1 to audio-visual display drawer switch 1 is in closes a floodgate, experimental or the position of separating brake.

As shown in fig. 4, an insertion seat 9 is further connected to the movable base plate 3, and the insertion seat 9 has a guide through hole 10. And a closing locking rod 12 connected to the switching lever 11 of the circuit breaker, the closing locking rod 12 being inserted into the guide through hole 10. On the movable floor 3, below the guide through hole 10, a through hole 13 is coaxially provided. The opening and closing rod 11 is rotated to make the closing locking rod 12 along the guide through hole 10 to extend downwards or retract upwards into the through hole 13 on the movable bottom plate 3 below the guide through hole 10.

As shown in fig. 5, a movable special-shaped plate 14 is further connected to the movable bottom plate 3, and the movable special-shaped plate 14 is rotatably connected to the movable bottom plate 3 through a rotating shaft. One end of the movable special-shaped plate 14 is rotatably connected with the unlocking connecting plate 15, and the other end of the movable special-shaped plate can extend into the space between the inserting seat 9 and the movable bottom plate 3. On the end of the movable shaped plate 14 that can penetrate between the insert seat 9 and the movable bottom plate 3, an insertion hole 16 is provided, which insertion hole 16 can coincide or be staggered with the guide through hole 10 of the insert seat 9 and the through hole 13 of the movable bottom plate 3. At the one end of activity dysmorphism board 14 with unblock connecting plate 15 rotation connection, unblock connecting plate 15 sliding connection is on drawer switch 1's panel 8, through the straight line slip unblock connecting plate 15 can make activity dysmorphism board 14 rotate to the drive the patchhole 16 of activity dysmorphism board 14 with the direction through-hole 10 of plug-in seat 9 with the coincidence of passing hole 13 of activity bottom plate 3 or stagger. A first torsion spring 17 is further provided between the movable profile plate 14 and the movable bottom plate 3, the first torsion spring 17 having a biasing force that causes the insertion hole 16 of the movable profile plate 14 to coincide with the guide through hole 10 of the insertion seat 9 and the through hole 13 of the movable bottom plate 3.

As shown in fig. 6, a second torsion spring 18 is further disposed between the connecting piece 6 and the movable base plate 3, and the second torsion spring 18 has a biasing force for rotating the connecting piece 6 in a direction of contacting the auxiliary switch ii 5.

As shown in fig. 7, a guiding positioning seat 19 is provided on the drawer compartment 2 below the movable bottom plate 3. The guiding positioning seat 19 is fixedly arranged relative to the movable bottom plate 3, and when the movable bottom plate 3 moves along with the drawer switch 1, the downwardly extending sliding column 24 connected to the connecting sheet 6 slides relatively along the guiding positioning seat 19, so that the connecting sheet 6 is driven to rotate around the rotating shaft on the movable bottom plate 3.

Two through holes are further formed in the drawer compartment 2 below the movable bottom plate 3, and from inside to outside, the through holes are respectively a closing lock hole 20 and a test lock hole 21. When the drawer switch 1 is located at the switching-on position, the guide through hole 10 of the insertion seat 9, the insertion hole 16 of the movable special-shaped plate 14 and the through hole 13 of the movable bottom plate 3 are all coincided with the switching-on lock hole 20, at the moment, the switching-off and switching-on lever 11 of the circuit breaker is rotated, the switching-on and switching-off lock lever 12 can be linked to extend downwards and finally inserted into the switching-on lock hole 20, and the drawer switch 1 and the drawer compartment 2 are locked.

Similarly, when the drawer switch 1 is located at the test position, the guide through hole 10 of the insertion seat 9, the insertion hole 16 of the movable special-shaped plate 14 and the through hole 13 of the movable bottom plate 3 are all overlapped with the test lock hole 21, at this time, the switching-on and switching-off rod 11 of the circuit breaker is rotated, the switching-on and switching-off locking rod 12 can be linked to extend downwards and is finally inserted into the test lock hole 21, and the drawer switch 1 and the drawer compartment 2 are locked.

As shown in fig. 8, a positioning structure is disposed on one side of the guiding and positioning seat 19, and the positioning structure includes two grooves, from inside to outside, a closing positioning groove 22 and a testing positioning groove 23. When the drawer switch 1 is located at the switching-on position, the positioning column 25 extending downward and connected to the movable special-shaped plate 14 is opposite to the switching-on positioning slot 22. At this time, the positioning post 25 can be inserted into the closing positioning groove 22, so that the movable special-shaped plate 14 can be rotated: the insertion hole 16 at one end is overlapped with the guide through hole 10 of the insertion seat 9, and the closing lock lever 12 can be inserted into the lock lever locking hole.

Similarly, when the drawer switch 1 is in the test position, the downwardly extending positioning posts 25 connected to the movable profiled plate 14 are opposite to the test positioning slots 23. At this time, the positioning column 25 can be inserted into the test positioning groove 23, so that the movable special-shaped plate 14 can be rotated to: the insertion hole 16 at one end is overlapped with the guide through hole 10 of the insertion seat 9, and the closing lock lever 12 can be inserted into the lock lever locking hole.

As shown in fig. 9, a guiding structure is provided on the other side of the guiding positioning seat 19, and the guiding structure has three sets of inclined surfaces 26 and positioning surfaces 27 connected in sequence. When the drawer switch 1 moves, the downwardly extending sliding column 24 connected to the connecting piece 6 slides along the inclined surface 26 or the positioning surface 27. When the slide column 24 is on the positioning surface 27, the connecting plate is in a fixed preset position; when the slide post 24 slides on the inclined surface 26, the link plate is in a state of being rotated from one fixed position toward the other fixed position. The connecting plate is driven by the sliding of the sliding column 24 on the inclined surface 26 and the positioning surface 27, and the drawer switch 1 has three positioning positions when in the closing position, the testing position and the opening position.

As shown in fig. 10, the switching lever 11 of the circuit breaker is a square lever, a link 28 is disposed between the switching lever and the closing locking lever 12, the link 28 is fixedly connected to the switching lever 11, and the link 28 is hinged to the closing locking lever 12. Therefore, when the switching lever 11 is rotated, the closing lock lever 12 can be driven by the link 28 to be extended and contracted in the vertical direction.

As shown in fig. 11, the bottom of the insertion seat 9 is provided with a limiting step 29 for limiting the rotation angle of the movable profiled plate 14 in cooperation with the first torsion spring 17.

As shown in fig. 12, two arc-shaped through holes 30 are provided on the movable bottom plate 3, and are respectively used for passing through the sliding columns 24 connected to the connecting sheet 6 and the positioning columns 25 connected to the movable shaped plate 14.

As shown in fig. 13, the movable shaped plate 14 is provided with a first connecting hole 31 for fixedly connecting with the positioning column 25 and a second connecting hole 32 for rotatably connecting with the movable bottom plate 3.

As shown in fig. 14, in the primary circuit of the circuit breaker, a normally open contact i 33 and a normally closed contact i 34 of an auxiliary switch i 4, and a normally open contact ii 35 of an auxiliary switch ii 5 are connected in parallel. When the drawer switch 1 is located at a switching-on position, only the normally open contact I33 of the auxiliary switch I4 is communicated, and at the moment, an indicator lamp connected with the normally open contact I33 in series is turned on; when the drawer switch 1 is located at a test position, only the normally closed contact I34 of the auxiliary switch I4 is communicated, and at the moment, an indicator lamp connected with the normally closed contact I34 in series is turned on; when drawer switch 1 was located the separating brake position, auxiliary switch I4's normally closed contact I34 intercommunication and auxiliary switch II 5's normally open contact II 35 all communicate, and the pilot lamp of establishing ties with normally closed contact I34 and the pilot lamp of establishing ties with normally open contact II 35 all light this moment.

As shown in fig. 15, in the secondary circuit of the circuit breaker, a normally closed contact ii 36 of an auxiliary switch ii 5 is connected in series with a closing coil 37 of the circuit breaker. When the drawer switch 1 is located at a switching-on position and a test position, the normally closed contact II 36 of the auxiliary switch II 5 is in a communicated state, so that the switching-on coil 37 can be electrically switched on; when the drawer switch 1 is located at the opening position, the normally open contact II 35 is communicated, so that the normally closed contact II 36 is disconnected, and at the moment, the loop of the closing coil 37 is disconnected, and the electric closing cannot be carried out.

Application method

The brake separating position: when the drawer switch 1 is in the opening position, the indicating plate displays 'separation'.

Test position: the drawer is directly pushed lightly by holding the left handle and the right handle of the drawer with two hands until the state display board 7 displays a test, the normally closed contact II 36 is electrified, and the secondary circuit is connected.

The switching-on position: an unlocking button connected with an unlocking connecting plate 15 on a drawer left handle is pressed by a left hand, the drawer is pushed forwards until the state display board 7 displays connection, a primary secondary circuit is connected, and a normally open contact I33 is electrified.

When the drawer is switched on, the switching-on and switching-off handle is rotated from switching-off to switching-on, the switching-on and switching-off rod 11 is driven by the handle to rotate, the switching-on locking rod 12 is inserted into a bottom plate of the drawer compartment 2, at the moment, the switching-on locking rod 12 and the cabinet body are in a locking state, the drawer cannot be pushed in or pulled out, the drawer can be pulled out only after the switching-off, namely, after the main switch is switched off, the drawer can be pulled out by pressing an unlocking button on a left handle.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. Drawer switch operating device, its characterized in that includes:

the movable bottom plate (3) moves along with the drawer switch (1);

the auxiliary switch II (5) is provided with a normally open contact II (35) and a normally closed contact II (36), the normally closed contact II (36) is connected with a secondary circuit of the circuit breaker in series, and a first indicator lamp is connected in series in a circuit connected with the normally open contact II (35);

and the connecting sheet (6) is suitable for being in contact with the auxiliary switch II (5), and when the drawer switch (1) moves to the opening position, the connecting sheet (6) is in contact with the auxiliary switch II (5) so that the normally closed contact II (36) of the auxiliary switch II (5) is disconnected and the normally open contact II (35) is connected.

2. The drawer switch operating mechanism according to claim 1, wherein the auxiliary switch ii (5) is fixedly connected to the movable base plate (3).

3. The drawer switch operating mechanism according to claim 2, wherein the connecting piece (6) is movably connected to the movable base plate (3).

4. A drawer switch operating mechanism according to claim 3, characterised in that the connecting piece (6) is pivotally connected to the movable base (3) by a pivot.

5. The drawer switch operating mechanism of claim 4, further comprising:

the guide positioning seat (19) is fixedly arranged relative to the movable bottom plate (3) and is positioned below the movable bottom plate (3);

the connecting piece (6) is provided with a sliding column (24) which extends downwards and then is in sliding contact with the guide positioning seat (19), and when the movable bottom plate (3) moves along with the drawer switch (1), the sliding column (24) slides relatively along the guide positioning seat (19) to drive the connecting piece (6) to rotate around a rotating shaft on the movable bottom plate (3).

6. The drawer switch operating mechanism of claim 1, further comprising:

a closing locking lever (12) connected to an opening/closing lever (11) of the circuit breaker and having a locking state in which the closing locking lever protrudes downward in accordance with the rotation of the opening/closing lever (11);

and the locking rod locking hole is arranged on the bottom plate of the drawer compartment (2), and when the drawer switch (1) is positioned at a switching-on position, the locking rod locking hole is opposite to the switching-on locking rod (12), so that the switching-on locking rod (12) is inserted into the locking rod locking hole to lock the drawer switch (1) when extending downwards.

7. The drawer switch operating mechanism of claim 6, further comprising:

and an insertion base (9) which is provided on the movable base plate (3) and has a guide through hole (10) for accommodating the closing lock lever (12), so that the closing lock lever (12) can be moved in the guide through hole (10) in a telescopic manner.

8. The drawer switch operating mechanism of claim 7, further comprising:

the movable special-shaped plate (14) is movably connected to the movable bottom plate (3) and is provided with an insertion hole (16) which is overlapped or staggered with the locking rod locking hole;

unblock connecting plate (15), sliding connection on panel (8) of drawer switch (1), with activity dysmorphism board (14) are connected, through the slip drive activity dysmorphism board (14), make the patchhole (16) of activity dysmorphism board (14) with guide through hole (10) of plug-in seat (9) with what activity bottom plate (3) passed hole (13) coincidence or stagger.

9. The drawer switch operating mechanism according to claim 8, characterized in that the movable profiled plate (14) is rotatably connected to the movable bottom plate (3) and the unlocking connecting plate (15) by a rotating shaft, respectively.

10. Drawer-type switchgear, characterized in that it comprises at least one drawer switch operating mechanism according to any one of claims 1 to 9.

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