WO2019165985A1

WO2019165985A1 - Distribution cabinet drawer position locking and display device and related distribution cabinet

Info

Publication number: WO2019165985A1
Application number: PCT/CN2019/076404
Authority: WO
Inventors: 刘梅; 杨大勇
Original assignee: 施耐德电器工业公司; 刘梅
Priority date: 2018-02-28
Filing date: 2019-02-28
Publication date: 2019-09-06
Also published as: FR3078470A1; FR3078470B1; CN207926046U

Abstract

Provided is a locking and display device for drawer position of distribution cabinet, comprising: a lock rod, a biasing member, an unlock button, and a locking member, as the movable portion of the drawer moves from the withdraw leaving position toward the distribution cabinet through the test position to the working position, or on the contrary, when the end portion of the lock rod having a latch at least reaches one of the test position and the working position each time, the latch is locked by the locking member respectively, and at this time, press the unlock button and simultaneously move the movable portion of the drawer toward the next position to be traveled, then the latch is unlocked from the locking member and the movable portion of the drawer can be moved toward the next position to be traveled. Thereby, the locking and display can be integrated into one, which is simple in form and space-saving. The present invention also discloses a distribution cabinet comprising such a locking and display device for drawer position of the distribution cabinet.

Description

Distribution cabinet drawer position locking and display device, related power distribution cabinet

Technical field

The present invention relates to a power distribution cabinet drawer position locking and display device, and more particularly to a locking and display device that can be combined with a locking device to provide a position of a power distribution cabinet drawer.

The invention also relates to a related power distribution cabinet.

Background technique

In the conventional low-voltage power distribution cabinet, some drawer position indicating devices are disposed on the side of the drawer, which is inconvenient to observe, and the drawer position indicating device disposed on the front side includes two structural forms separated from or combined with the drawer operating handle, and the combined structure passes through The handle is operated to manipulate the rocking-in and out mechanism, and the position of the drawer is indicated by the handle, but the structural part is complicated, takes up space, and if the rocking-in and out mechanism fails, the drawer will be stuck in the cabinet and cannot be taken out. In the separate structure, the drawer is locked by the boss hole of the fixed portion of the drawer and the telescopic positioning piece of the interlocking structure, and the small stroke of the height direction is rotated and enlarged in front of the drawer by the boss and the interlocking position indication. The panel shows that there is a big problem in the design that the error is also magnified by 3 times while the stroke is enlarged by 3 times, and the function realization process involves the cooperation of more than ten parts, which eventually leads to the problem of inaccurate drawer indication.

Therefore, there is a need for a drawer position display device that is simple in structure, easy to observe, and accurate.

Summary of the invention

It is an object of the present invention to provide a drawer position locking and display device that is simple in construction, accurate in display, and easy to observe by combining the drawer locking device of the power distribution cabinet with the drawer position indication.

According to an aspect of the present invention, a power distribution cabinet drawer position locking and display device is provided. The power distribution cabinet drawer includes a movable portion and a fixed portion, and the movable portion can be moved in and out with respect to the power distribution cabinet, and is opposite to the distribution The electrical cabinet has a working position in position in the power distribution cabinet, an exit position away from the power distribution cabinet, and a test position at a position between the working position and the exit position of the movable portion, characterized in that the electrical distribution The cabinet drawer position locking and display device includes:

a lock lever pivotally mounted to the movable portion of the drawer, one end including a lock;

a biasing member mounted between the lock lever and the movable portion for biasing the lock lever;

An unlocking button, mounted to the movable portion of the drawer, capable of pivoting the lock lever in a continuously pressed state, and

a locking member mounted to the fixed portion of the drawer for engaging with the lock of the lock bar to block the movable portion of the drawer and to lock the movable portion of the drawer in position,

As the movable portion of the lock moves from the withdrawn exit position toward the power distribution cabinet through the test position to the work position, or from the work position toward the exit position through the test position to the exit position, the latched end of the lock lever is at least Each time the test position and the working position are reached, the lock is respectively locked by the locking member, and at this time, the unlocking button is in the state of being continuously pressed while moving the movable portion of the drawer toward the next position to be traveled, the latch is The locking member is unlocked and the movable portion of the drawer can be moved towards the next position to be traveled.

Preferably, the locking member further comprises a blocking portion at a position before the locking of the locking buckle, and the locking lever is pivoted against the biasing force of the biasing member when the unlocking button is in the continuously pressed state, and the locking buckle is The end portion rotates in a direction away from the blocking portion, and the lock is engaged with the locking member when the rotation is released from the blocking portion.

Preferably, the other end of the lock bar includes a position mark corresponding to each position of the movable portion of the drawer, and each time the lock is engaged with the lock member, the corresponding position mark is displayed from the display opening on the power distribution cabinet, and The angle at which the lock bar is rotated from each position to the next position to be traveled corresponds to the angle at which the display mark is rotated from the corresponding position mark displayed by the display opening to the next position mark displayed by the display opening.

Preferably, the latch includes a grooved projection extending downward from a lower surface of the lock bar, the locking member comprising at least a first positioning pin and a second positioning pin, one end of the first positioning pin for locking the buckle In the test position, one end of the second positioning pin is used to lock the lock button in the working position, and the angle at which the second positioning pin and the lock lock position are rotated relative to the first positioning pin and the lock lock position corresponds to the display mark from The corresponding position mark displayed by the opening is displayed to the angle at which the next position mark displayed by the display opening is rotated.

Preferably, the buckle includes a protrusion extending downward from a lower surface of the lock bar, the locking member including a slope having at least a first groove and a second groove, the first groove for locking the buckle in the test position, The second groove is for locking the lock button in the working position, and the angle of rotation of the second groove and the latching locking position of the buckle with respect to the convex locking position of the first groove and the buckle corresponds to the display mark From the corresponding position mark displayed by the display opening to the angle at which the next position mark displayed by the display opening is rotated.

Preferably, the buckle includes a protrusion extending downward from a lower surface of the lock bar, and the locking member includes at least a first step surface and a second step surface that cooperate with the protrusion of the lock, the first step surface is for locking the lock In the test position, the second step surface is used for locking the lock in the working position, and the angle of rotation of the second step surface and the lock lock position relative to the first step surface and the lock lock position corresponds to displaying the mark from The corresponding position mark displayed by the opening is displayed to the angle at which the next position mark displayed by the display opening is rotated.

Preferably, the buckle includes an axis-rotatable gear extending downward from a lower surface of the lock lever, the locking member including a tooth surface including a first blocking locking portion and a second blocking locking portion that cooperates with the gear of the locking buckle, the first One end of the blocking portion locking portion is for locking the locking buckle in the test position, one end of the second blocking locking portion is for locking the locking buckle in the working position, and the second blocking locking portion and the locking locking position are opposite to the first blocking locking The angle at which the portion is rotated relative to the latching engagement position corresponds to the angle at which the display mark is rotated from the corresponding position mark displayed by the display opening to the next position mark displayed by the display opening.

Preferably, the unlocking button includes a guiding plate that pushes the locking bar to rotate when the unlocking button is pressed to lock or unlock the locking bar with the locking member.

Preferably, the button is disposed at a side of the movable portion of the drawer.

Preferably, the button is disposed at a front portion of the movable portion of the drawer.

Preferably, the lock bar includes a pin extending perpendicularly to an upper surface of the lock bar, the guide plate including a ramp that mates with the pin.

According to another aspect of the present invention, a power distribution cabinet is provided, comprising a power distribution cabinet drawer position locking and display device according to the foregoing.

Through the position locking and display device of the power distribution cabinet drawer according to the present invention, the defects of the side view of the existing design are solved, and a display device is arranged in front of the drawer, which can directly display the state of the drawer; the existing design has many fitting parts and the error is enlarged. , indicating inaccurate defects, accurately indicating the state of the drawer; and integrating the lock and display compared to the same industry design, the form is simple and space-saving.

DRAWINGS

1 is a perspective view of a lock lever and a button portion of a drawer position locking and display device according to a first embodiment of the present invention;

Figure 2 is a perspective view of the lock lever and button portion of the drawer position locking and display device shown in Figure 1 from another angle;

Figure 3 is a perspective view of the lock lever and button portion of the drawer position locking and display device shown in Figures 1 and 2 mounted to the movable portion of the drawer;

Figure 4 is a perspective view of the locking member mated with the lock lever shown in Figures 1 and 2;

Figure 5 is a perspective view of the fixing portion of the locking member of Figure 4 mounted to the drawer;

Figure 6 is a perspective view showing the positional relationship between the lock lever and the button portion shown in Figures 1 and 2 and the lock member shown in Figure 4 when the drawer position locking and display device is in the OFF position according to the first embodiment of the present invention. view;

Figure 7 is a view of the button and the position indicating opening according to the first embodiment of the present invention in the position shown in Figure 6, wherein the position indicating opening displays the OFF position indicator;

Figure 8 is a perspective view showing the positional relationship between the lock lever and the button portion shown in Figures 1 and 2 and the lock member shown in Figure 4 when the drawer position locking and display device according to the first embodiment of the present invention is in the test position. ;

Figure 9 is a view of the button and the position indicating opening according to the first embodiment of the present invention in the position shown in Figure 8, wherein the position indicating opening displays the TEST mark;

Figure 10 is a perspective view showing the positional relationship between the lock lever and the button portion shown in Figures 1 and 2 and the lock member shown in Figure 4 when the drawer position locking and display device is in the operating position according to the first embodiment of the present invention. view;

Figure 11 is a view of the button and the position indicating opening according to the first embodiment of the present invention in the position shown in Figure 10, wherein the position indicating opening displays the WORK logo;

Figure 12 is a view of a locking member of a drawer position locking and display device in accordance with a second embodiment of the present invention.

Detailed ways

The details of the present invention will be described below with reference to the embodiments shown in the drawings.

1 is a perspective view of a lock lever and a button portion of a drawer position locking and display device according to a first embodiment of the present invention. The positional relationship of the drawer mounted on the movable portion of the power distribution cabinet shows the lock lever 1 and the button 2 engaged with the lock lever 1. The lock lever 1 includes a pivot pin 101, a latch 102 extending at an end of the lock lever 1 below the surface of the lock lever, a guide post 104 on the surface of the lock lever, and a position mark 103 at the other end of the lock lever 1. The button 2 includes a fixed bracket 201, a button panel 202, a guide plate 203, and a button spring 204. The lock lever 1 is mounted to the bottom of the movable portion of the drawer of the power distribution cabinet by a pivot pin 101, and the fixed bracket 201 of the button 2 is mounted upright on the bottom surface of the movable portion of the drawer, and the button panel 202 passes through the elongated slot The bolt 205 of the 206 and the spring 204 mated with the fixing bracket 201 are movably mounted to the fixing bracket 201 with respect to the fixing bracket 201. The guide plate 203 is mounted to the button panel 202, and the guide plate 203 can be driven by pressing the button panel 202. Further comprising a biasing member (not shown) between the locking bar 1 and the fixing bracket 201 or the side wall of the movable portion of the drawer, the biasing member may be a tension spring or a torsion spring for counterclockwise locking the lever 1 The bias is biased against the fixed bracket 201. When the lock lever 1 is biased against the fixed bracket 201 by the biasing member, the inclined side of the guide plate 203 is in contact with the guide post 104. When the button panel 202 is pressed, the inclined side of the guide plate 203 pushes the guide post 104 to make the lock lever 1 The hour hand is deflected.

Figure 2 is a perspective view of the lock lever and button portion of the drawer position locking and display device shown in Figure 1 from another angle.

Figure 3 is a perspective view of the lock lever and button portion of the drawer position locking and display device shown in Figures 1 and 2 mounted to the movable portion of the drawer. The movable portion 3 of the drawer is visible in the figure, and the lock lever 1 and the button 2 are attached to the bottom surface of the movable portion 3 at one corner of the movable portion 3.

4 is a perspective view of the locking member mated with the lock lever in the lock lever and button portion shown in FIGS. 1 and 2; as shown in the figure, the lock member 4 includes a first lock pin 401 and a second lock. The pin 402 has a length longer than the first locking pin 401, and each of which is a rectangular parallelepiped including an end portion having a circular arc shape at the right end. The latch 102 of the lock lever 1 shown in Figures 1 and 2 includes a vertical recess for locking with the right end of the first locking pin 401 or the second locking pin 402 to lock the movable portion of the drawer And releasing the movable portion of the drawer when the vertical groove is disengaged from the first locking pin 401 or the second locking pin 402.

The locking member 4 is not limited to the above-described form, and the

locking pins

401 and 402 are not limited to the above-described shape as long as it can be engaged with the lock at different rotational positions of the lock lever. The vertical groove may be a straight groove or a V-shaped or U-shaped groove, and the opening of the groove may include a slope to facilitate the locking.

Figure 5 is a perspective view of the fixing portion of the lock member of Figure 4 mounted to the drawer, the fixed portion 5 of the drawer being visible, the locking member 4 being disposed on the bottom surface of the fixed portion 5, and the first locking pin 401 of the locking member 4 And the position of the second locking pin 402 is set to block the lock 103 of the lock lever 1 and lock with the lock 103 in the test position and the work position, respectively, and the lock 103 of the lock lever 1 and the right side of the first lock pin 401 The end lock position and the lock pin 103 and the right end lock position of the second lock pin 402 are at an angle of rotation.

Figure 6 is a view showing the position of the lock lever and button portion shown in Figures 1 and 2 and the lock member shown in Figure 4 when the drawer position locking and display device is in the OFF position according to the first embodiment of the present invention. 3 is a perspective view of the relationship, FIG. 7 is a view of the button and the position indicating opening according to the first embodiment of the present invention in the position shown in FIG. 6, when the lock lever 1 is biased against the fixing bracket 201 by the biasing member at the initial position. Position, in this embodiment, the initial position is the OFF position, and the position indicating opening is displayed in the OFF position. In the OFF position, the movable portion 3 of the drawer is withdrawn from the power distribution cabinet and the electrical components can be unloaded or loaded from the movable portion of the drawer.

Figure 8 is a perspective view showing the positional relationship between the lock lever and the button portion shown in Figures 1 and 2 and the lock member shown in Figure 4 when the drawer position locking and display device is in the test position according to the first embodiment of the present invention. Figure 9 is a view of the button and position indicating opening 6 in accordance with the first embodiment of the present invention in the position shown in Figure 8. When the movable portion 3 of the drawer is moved from the OFF position toward the power distribution cabinet, the buckle 103 is blocked by the first locking pin 401, and at this time, the button panel 202 of the button 2 is pressed, and the guide plate 203 of the button 2 abuts against the lock lever 1 The guide pin 104 rotates the lock lever 1 clockwise. When it is about to leave the right end of the first lock pin 401, the vertical groove of the buckle 102 snaps to the first lock pin due to the biasing force of the biasing member. The right end of the 401 is engaged with the right end of the first locking pin 401, as shown in FIG. 8. At this time, since the lock lever 1 is rotated in the clockwise direction from the initial position, the latch 102 is initialized. The position is rotated to the right end of the first locking pin 401, and the end of the locking bar opposite the end having the latch 102 with the positional indication also rotates in a clockwise direction from the initial position, whereby the TEST position indicator is rotated to The position indicates the position of the opening 6, and the position indicating opening 6 is displayed at the TEST position. When the movable portion 3 of the drawer is to continue moving toward the working position, the button 2 is pressed again at the TEST position while the movable portion 3 is pushed toward the working position, and the buckle 102 is unlocked from the first positioning pin 401, and The lock lever 1 is biased toward the abutment fixing bracket 201 by the biasing member, and the position indicating opening 6 is displayed as an OFF mark by the TEST mark.

Figure 10 is a perspective view showing the positional relationship between the lock lever and the button portion shown in Figures 1 and 2 and the lock member shown in Figure 4 when the drawer position locking and display device is in the operating position according to the first embodiment of the present invention. Figure 11 is a view of the button and position indicating opening 6 in accordance with the first embodiment of the present invention in the position shown in Figure 10. As the movable portion of the drawer continues to be pushed toward the working position, the latch 102 of the lock lever 1 is again blocked by the second locking pin 402, at which time the button panel 202 of the button 2 is pressed, the bevel of the guide plate 203 of the button 2 pushes the lock The guide pin 104 of the lever 1 rotates the lock lever clockwise. When the lock is about to leave the right end of the second lock pin 402, the vertical groove of the buckle 102 is buckled to the second due to the biasing force of the biasing member. The right end of the locking pin 402 is engaged with the right end of the second locking pin 402, as shown in FIG. 10, at which time the position indicating opening 6 displays a WORK position indication, as shown by 6 in FIG. When the movable portion 3 of the drawer is to be moved from the WORK position toward the TEST position, the button 2 is pressed again at the WORK position while the movable portion 3 is pulled toward the TEST position, and the buckle 102 is unlocked from the second positioning pin 402. And the lock lever 1 is biased toward the abutment fixing bracket 201 by the biasing member, and the position indicating opening 6 is indicated by the TEST position indicator as the OFF position mark. Continuing to pull the movable portion 3 of the drawer toward the TEST position, the buckle 102 comes into contact with the first locking pin 401 and is blocked by the first locking pin 401. If it is desired that the drawer continues to move outward toward the OFF position, then at this time the button 2 is pressed while the movable portion 3 of the drawer is pulled toward the OFF position, the buckle 102 is unlocked from the first positioning pin 401, and the movable portion 3 of the drawer It can be moved outward toward the OFF position.

If desired, a third locking pin can also be provided in the OFF position for locking the movable portion of the drawer in the OFF position, while the position indication opening is displayed OFF by the position indicating opening, in need of attention. The positional relationship of the locking end of the third locking pin and the first locking pin is set such that the rotation of the locking bolt 102 of the locking bar 1 from the right end of the third locking pin to the right end of the first locking pin 401 The angle and position indication OFF are turned away from the position indicating opening 6 so that the position mark TEST corresponds to the angle at which the position indicating opening 6 shows.

In this embodiment according to the invention, the button 2 can be arranged differently from the position indicating opening 6 on the front of the drawer, but the button 2 can also be arranged on the side of the drawer. In the case where the button 2 is disposed on the side of the drawer, the guide plate 203 of the button 2 may not include a slope, and may be any shape capable of pushing the lock lever 1 to rotate.

Figure 12 is a schematic illustration of a locking member in a drawer position locking and display device in accordance with another embodiment of the present invention not shown. In this other embodiment, the buckle may be a cylindrical pin or a pin of any shape, and the locking member 4' has a substantially trapezoidal shape as shown in FIG. 12, the locking member 4' has a sloped surface, and the first surface of the locking member is opened The card slot 401' and the second card slot 402'. As the movable portion 4 of the drawer moves from the OFF position toward the TEST position, the latch contacts the short side of the trapezoidal shape of the locking member 4' and is blocked by the short side, at which time pressing the button causes the lock lever 1 to rotate clockwise. When the lock of the lock lever 1 is about to be disengaged from the short side of the trapezoidal shape of the lock member 4', the pin of the lock buckle is buckled in the first card slot 401' due to the biasing force of the biasing member, and the position indication is performed at this time. The opening displays the TEST position indicator. When the movable portion 4 of the drawer continues to move from the TEST position toward the WORK position, it is necessary to press the button again while pushing the movable portion 4 of the drawer toward the WORK position, at which time the pin of the buckle is disengaged from the first card slot 401'. And moving along the bevel of the locking member until the pin of the latch is locked into the second slot 402'. When the movable portion 4 of the drawer continues to move from the WORK position toward the TEST position, the button needs to be pressed again while pulling the movable portion 4 of the drawer toward the TEST position, at which time the pin of the buckle is disengaged from the second card slot 402'. And moving along the bevel of the locking member until the pin of the latch is locked into the first card slot 402'.

Different from the above embodiment, after moving from the TEST position toward the WORK position, after the pin of the buckle is disengaged from the first card slot 401', the pin of the buckle can be directly locked to the second card slot 402' without pressing the button. After the card is inserted into the second card slot 402', the pin of the latch can be directly locked into the first card slot 401' when the pin of the latch is disengaged from the second card slot 402' and moved toward the TEST position. Without entering the button, it is stuck in the first card slot 401'. Of course, before the pin of the latch moves from the TEST position toward the WORK position to the second card slot 402', a blocking portion is disposed on the oblique side of the locking member 4', so that the pin of the locking buckle is directly engaged in the second Before the card slot 402', the button 2 needs to be pressed before it can be inserted into the second card slot 402'. Similarly, before the pin of the latch is moved from the WORK position toward the TEST position into the first card slot 401', Another blocking portion is disposed on the oblique side of the locking member 4', so that the pin of the locking device still needs to press the button 2 before being directly engaged in the first card slot 401' to be engaged in the first card slot 401'.

In the present embodiment, the display manner of the position indicator in the position indication opening 6 is also different. In the above embodiment, after the pin of the latch is disengaged from the locking member, the lock lever is biased back to the initial position by the biasing member, and the position indicating opening 6 always displays the OFF position indicator, and in the present embodiment, The locking member has a beveled edge so that the positional indicia in the position indicating opening 6 is displayed in a rolling manner as gradually rolling from one positional indicia to another.

The trapezoidal shaped locking member in this embodiment may also be an alternative form in which the trapezoidal shaped oblique side is formed by a stepped edge having at least two steps. In this alternative form, the locking buckle may have any shape as long as it can be stepped. The blocking is sufficient, and the position of the step corresponds to the position where the lock and the locking member are locked and the corresponding position mark is displayed. The trapezoidal shaped locking member may also be an alternative form of a trapezoidal shaped beveled edge formed by a toothed curved surface, and at least two blocking portions may be disposed in the toothed curved surface, the position of the blocking portion corresponding to the locking and locking member lock The position and the corresponding position identify the position to be displayed.

The embodiments described are merely exemplary and are not intended to be limiting of the invention, and the features of the various embodiments may be used in combination to obtain further embodiments of the invention. The claims are limited. Many variations and modifications of the described embodiments are possible without departing from the scope of the invention.

The present application claims the priority of the Chinese Patent Application No. 20112028 185 8.3 filed on Feb. 28, 20, the entire disclosure of which is hereby incorporated by reference.

Claims

A power distribution cabinet drawer position locking and display device, the power distribution cabinet drawer includes a movable portion and a fixed portion, the movable portion can be moved in and out relative to the power distribution cabinet, and is disposed in the power distribution cabinet relative to the power distribution cabinet a working position in position, an exit position away from the power distribution cabinet, and a test position at a position between the working position and the leaving position of the movable portion, wherein the power distribution cabinet drawer position locking and display device comprises :

a lock lever pivotally mounted to the movable portion of the drawer, one end including a lock;

a biasing member mounted between the lock lever and the movable portion for biasing the lock lever;

An unlocking button, mounted to the movable portion of the drawer, capable of pivoting the lock lever in a continuously pressed state, and

a locking member mounted to the fixed portion of the drawer for engaging with the lock of the lock bar to block the movable portion of the drawer and to lock the movable portion of the drawer in position,

As the movable portion of the lock moves from the withdrawn exit position toward the power distribution cabinet through the test position to the work position, or from the work position toward the exit position through the test position to the exit position, the latched end of the lock lever is at least Each time the test position and the working position are reached, the lock is respectively locked by the locking member, and at this time, the unlocking button is in the state of being continuously pressed while moving the movable portion of the drawer toward the next position to be traveled, the latch is The locking member is unlocked and the movable portion of the drawer can be moved towards the next position to be traveled.
The power distribution cabinet drawer position locking and display device according to claim 1, wherein the locking member further comprises a blocking portion at a position before the locking of the locking buckle, and the locking member is locked when the unlocking button is in the continuously pressed state. The lever pivots against the biasing force of the biasing member, and the end of the buckle rotates in a direction away from the blocking portion, and the latch engages with the locking member when the rotation is disengaged from the blocking portion.
A power distribution cabinet drawer position locking and display device according to claim 1 or 2, wherein the other end of the lock lever includes a position mark corresponding to each position of the movable portion of the drawer, and the lock buckle is locked and locked. When the pieces are locked, the corresponding position marks are displayed from the display openings on the power distribution cabinet, and the angle of rotation of the lock lever from each position to the next position to be traveled corresponds to the corresponding position mark displayed by the display mark from the display opening The angle at which the next position mark displayed by the opening is rotated is displayed.
The power distribution cabinet drawer position locking and display device according to claim 3, wherein the latch comprises a grooved projection extending downward from a lower surface of the lock bar, the locking member comprising at least a first positioning pin and a Two positioning pins, one end of the first positioning pin is used for locking the lock button in the test position, one end of the second positioning pin is used for locking the lock button in the working position, and the second positioning pin and the lock lock position are opposite to each other. The angle at which the first locating pin rotates with the shackle lock position corresponds to the angle at which the display mark is rotated from the corresponding position mark displayed by the display opening to the next position mark displayed by the display opening.
A power distribution cabinet drawer position locking and display device according to claim 3, wherein the latch includes a projection extending downward from a lower surface of the lock lever, the locking member including at least a first recess and a second recess a beveled surface, the first groove is for locking the buckle in the test position, the second groove is for locking the buckle in the working position, and the second groove and the latching locking position of the buckle are opposite to the first The angle at which the groove and the latch's latching position are rotated corresponds to the angle at which the display mark is rotated from the corresponding position mark displayed by the display opening to the next position mark displayed by the display opening.
The power distribution cabinet drawer position locking and display device according to claim 3, wherein the latch comprises a protrusion extending downward from a lower surface of the lock bar, and the locking member comprises a protrusion corresponding to the latch. At least a first step surface for locking the buckle in the test position, a second step surface for locking the lock button in the working position, a second step surface and a lock lock The angle of rotation of the engaged position relative to the first stepped surface and the latching latching position corresponds to an angle at which the display mark is rotated from a corresponding position mark displayed by the display opening to a next position mark displayed by the display opening.
The power distribution cabinet drawer position locking and display device according to claim 3, wherein the lock comprises a gear that is rotatable about an axis extending downward from a lower surface of the lock lever, and the locking member includes a gear that cooperates with the lock gear. a tooth surface including a first blocking locking portion for locking the buckle in the test position and a second blocking locking portion for locking the locking buckle in the working position The angle at which the second blocking locking portion and the latching locking position are rotated relative to the first blocking locking portion and the latching locking position corresponds to the corresponding position mark displayed by the display mark from the display opening to the next display of the display opening The angle at which the position marker is rotated.
The power distribution cabinet drawer position locking and display device according to claim 1 or 2, wherein the unlocking button comprises a guiding plate, and when the unlocking button is pressed, the guiding plate pushes the locking bar to rotate, and locks the locking bar and the locking member Close or unlock.
The power distribution cabinet drawer position locking and display device according to claim 8, wherein the button is disposed at a side of the movable portion of the drawer.
The power distribution cabinet drawer position locking and display device according to claim 8, wherein the button is disposed at a front portion of the movable portion of the drawer.
The power distribution cabinet drawer position locking and display device according to claim 10, wherein the lock bar comprises a pin extending perpendicularly to an upper surface of the lock bar, the guide plate comprising a bevel mating with the pin. .
A power distribution cabinet comprising a power distribution cabinet drawer position locking and display device according to any of the preceding claims.