CN108110669B - A power drawer cabinet device with limited unlocking - Google Patents

Abstract

The present invention provides a power drawer cabinet device for restricting unlocking, comprising a cabinet body and a drawer slidably connected to the cabinet body, wherein a motor-driven transmission shaft and a manually-operated control rod are vertically arranged in the cabinet body. A horizontal transverse guide rail is fixed between the transmission shaft and the control rod, a longitudinal guide rail is slidably connected to the transverse guide rail, and a slider matched with the longitudinal guide rail is fixed on both sides of the drawer; the key on the control rod A cam that can push the drawer to move laterally is connected, a rack that controls the longitudinal movement of the drawer is fixed on the side of the drawer close to the drive shaft; the drive shaft is keyed with a main cone that meshes with the auxiliary bevel gear Gear, the auxiliary bevel gear drives the transmission gear matched with the rack to rotate through the connecting shaft. The invention has simple operation, can realize automatic entry and exit of drawers, and only unlock one drawer at a time.

Description

A power drawer cabinet device with limited unlocking

technical field

The invention relates to the field of electric power, in particular to a power drawer cabinet device.

Background technique

The power drawer cabinet is a common component in the field of power sensor control. The power control cabinet is used to install various power components such as sensors and controllers for power control. In order to facilitate maintenance, the power control cabinet usually adopts the form of drawer push-pull to maintain the internal power equipment.

Power drawer cabinets often need to install multiple drawers. During maintenance, only one corresponding drawer needs to be pulled out, and the others remain untouched. However, traditional power drawer cabinets generally rely on manual operation to pull out the drawer, which is prone to accidental collisions and has a certain impact on power components.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a power drawer cabinet device with limited unlocking, which can realize automatic entry and exit of drawers, and only unlock one drawer at a time.

In order to achieve the above purpose, the technical solution adopted in the present invention is: a power drawer cabinet device for restricting unlocking, comprising a cabinet body and a drawer slidably connected to the cabinet body, and a motor-driven transmission shaft is vertically arranged in the cabinet body and a manually operated control rod, a horizontal transverse guide rail is fixed between the transmission shaft and the control rod, a longitudinal guide rail is slidably connected to the transverse guide rail, and two sides of the drawer are fixed with a matching longitudinal guide rail. a slider; a cam that can push the drawer to move laterally is keyed on the control rod, a rack that controls the longitudinal movement of the drawer is fixed on the side of the drawer close to the drive shaft; the drive shaft is keyed There is a main bevel gear meshing with the auxiliary bevel gear, and the auxiliary bevel gear drives the transmission gear matched with the rack to rotate through the connecting shaft.

Each component in the cabinet is limited by the inner wall of the cabinet, which is easily understood by those skilled in the art, and will not be described in the present invention.

As an improvement, the cabinet is provided with several parallel drawers and their drive assemblies from top to bottom, several main bevel gears are controlled by the same drive shaft, and several cams are controlled by the same drive shaft. the joystick control. One motor can control multiple drawers, which is easy to operate.

As an improvement, the offset distances in the same direction of the several cams arranged on the control rod are different from each other. When one cam pushes the corresponding drawer to the drive shaft to make the rack mesh with the drive gear, the distance that the other cams push the drawer is too small to make the rack of the corresponding drawer mesh with the drive gear, so that only one of the drawers can be unlocked at a time. function of the drawer.

As an improvement, a handle is fixed at one end of the control rod extending out of the cabinet. One control lever controls multiple drawers, and the structure is simple.

As an improvement, the top of the cabinet is provided with a mark showing the unlocked state of the drawer corresponding to the position of the handle. Rotate the handle to different angles to unlock different drawers accordingly. When the control lever is rotated, several cam sides on the control lever will form a regular curve. The cam at the crest can unlock the corresponding drawer. When the crest does not appear, all drawers are locked.

As an improvement, the side of the longitudinal guide rail close to the control rod is connected to the cabinet body through a spring.

As an improvement, the cabinet body is provided with a baffle plate on the side of the drawer entering and exiting, and the baffle plate is provided with an opening that just allows the drawer to pass through. When the cam does not push the drawer, the drawer is close to the side of the control lever under the action of the spring, so as to deviate from the opening on the baffle plate, and the baffle plate plays the role of locking the drawer. When the cam pushes the drawer to engage the rack with the transmission gear, the drawer is just at the opening on the baffle plate, so that the drawer can enter and exit.

Compared with the prior art, the advantages of the present invention are:

1. The opening and closing of the drawer is electrically controlled to make the drawer run more smoothly and not easily damage the electrical components in the drawer;

2. Unlock one drawer at a time through the control lever to prevent opening multiple drawers from affecting work;

3. The drawer is locked through the baffle, which is safe and reliable.

Description of drawings

Fig. 1 is a front view according to a preferred embodiment of the present invention;

2 is a schematic diagram of the internal structure according to a preferred embodiment of the present invention;

Figure 3 is a top view according to a preferred embodiment of the present invention;

Figure 4 is a bottom view of a drawer portion according to a preferred embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a cam according to a preferred embodiment of the present invention.

The component names corresponding to each reference number are: 1. Cabinet; 11. Baffle; 12. Handle; 13. Control lever; 14. Cam; 2. Drawer; 21. Slider; 22. Longitudinal slide rail; 23. 24. Rack; 25. Spring; 3. Motor; 31. Transmission shaft; 32. Main bevel gear; 33. Secondary bevel gear; 34. Connecting shaft; 35. Transmission gear.

Detailed ways

The following description serves to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art.

A power drawer cabinet device for restricting unlocking according to the present invention includes a cabinet body 1 and a drawer 2 slidably connected to the cabinet body 1. The cabinet body 1 is vertically provided with a transmission shaft 31 driven by a motor 3 and a manual The control rod 13 is operated, a horizontal transverse guide rail 23 is fixed between the transmission shaft 31 and the control rod 13, the transverse guide rail 23 is slidably connected with the longitudinal guide rail 22, and both sides of the drawer 2 are fixed with all the The slider 21 matched with the longitudinal guide rail 22; the control rod 13 is keyed with a cam 14 that can push the drawer 2 to move laterally, and a side of the drawer 2 close to the drive shaft 31 is fixed to control the drawer 2 The rack 24 that moves longitudinally; the transmission shaft 31 is keyed with a main bevel gear 32 that meshes with the auxiliary bevel gear 33 , and the auxiliary bevel gear 33 drives the transmission gear 35 matched with the rack 24 through the connecting shaft 34 rotate.

Specifically, the cabinet 1 is provided with several parallel drawers 2 and their transmission components from top to bottom, several main bevel gears 32 are controlled by the same transmission shaft 31, several The cam 14 is controlled by the same lever 13 . One motor 3 can control multiple drawers 2, which is convenient to operate.

Specifically, the offset distances of the plurality of cams 14 arranged on the control rod 13 in the same direction are different from each other. When one cam 14 pushes the corresponding drawer 2 toward the drive shaft 31 to make the rack 24 mesh with the drive gear 35, the distances that the other cams 14 push the drawer 2 are too small to make the rack 24 of the corresponding drawer 2 and the drive gear 35 too small. The gears 35 are engaged so as to fulfill the function of unlocking only one drawer 2 at a time.

Specifically, a handle 12 is fixed at one end of the control rod 13 extending out of the cabinet 1 . One control rod 13 controls multiple drawers 2, and the structure is simple.

Specifically, the top of the cabinet 1 is provided with a mark indicating the unlocked state of the drawer 2 corresponding to the position of the handle 12 . The handle 12 is rotated to different angles, corresponding to unlocking different drawers 2 . When the control rod 13 is rotated, the side surfaces of several cams 14 on the control rod 13 will form a regular curve, and the cams 14 at the peaks can unlock the corresponding drawers 2. When the peaks do not appear, all the drawers 2 are locked.

Specifically, the side of the longitudinal guide rail 22 close to the control rod 13 is connected to the cabinet body 1 through a spring 25 .

Specifically, the cabinet body 1 is provided with a baffle plate 11 on the in-out side of the drawer 2 , and the baffle plate 11 is provided with an opening that just allows the drawer 2 to pass through. When the cam 14 does not push the drawer 2 , the drawer 2 approaches the control rod 13 under the action of the spring 25 , thereby deviating from the opening on the baffle 11 , and the baffle 11 acts to lock the drawer 2 . When the cam 14 pushes the drawer 2 to engage the rack 24 with the transmission gear 35 , the drawer 2 is just at the opening on the baffle plate 11 , so that the drawer 2 can enter and exit.

In the initial state, the handle 12 is in a state where all the drawers 2 are locked, and the drawers 2 are all deviated from the opening on the baffle 11 .

When a certain drawer 2 needs to be unlocked, rotate the control lever 13 through the handle 12, so that the handle 12 is at the angle of unlocking the corresponding drawer 2, and the cam 14 corresponding to the drawer 2 to be unlocked pushes the drawer 2 and the vertical slide rail 22 on the horizontal slide rail 23. The side close to the transmission shaft 31 moves until the rack 24 is in contact with the transmission gear 35, and then the motor 3 is started. When the longitudinal slide rail 22 moves up, the drawer 2 is just at the opening of the baffle 11 , and the cabinet 1 can be entered and exited through the baffle 11 to complete the maintenance.

When the drawer 2 needs to be closed, the motor 3 is reversed, the drawer 2 moves into the cabinet 1 along the longitudinal slide rail 22, the motor is turned off when the drawer 2 is closed, and the control lever 13 is rotated through the handle 12, so that the handle 12 is in all drawers locked. In the dead state, the spring 25 pulls the longitudinal slide rail 22 and the drawer 2 to move toward the control rod 13 on the lateral slide rail 23 , the rack 24 is disengaged from the transmission gear 35 , and the lock is completed by the action of the baffle 11 .

The foregoing has shown and described the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, there are various Variations and improvements are intended to fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides an electric power drawer cabinet device of restriction unblock, including the cabinet body (1) and with cabinet body (1) sliding connection's drawer (2), its characterized in that: a transmission shaft (31) driven by a motor (3) and a manually operated control rod (13) are vertically arranged in the cabinet body (1), a horizontal transverse guide rail (23) is fixed between the transmission shaft (31) and the control rod (13), a longitudinal guide rail (22) is connected onto the transverse guide rail (23) in a sliding manner, and sliding blocks (21) matched with the longitudinal guide rail (22) are fixed on two sides of the drawer (2); a cam (14) capable of pushing the drawer (2) to move transversely is connected to the control rod (13) in a keyed mode, and a rack (24) for controlling the drawer (2) to move longitudinally is fixed on one side, close to the transmission shaft (31), of the drawer (2); a main bevel gear (32) meshed with an auxiliary bevel gear (33) is connected to the transmission shaft (31) in a key mode, and the auxiliary bevel gear (33) drives a transmission gear (35) matched with the rack (24) to rotate through a connecting shaft (34); the cabinet body (1) is characterized in that a baffle (11) is arranged on one side of the drawer (2) in and out, and an opening for allowing the drawer (2) to pass through is formed in the baffle (11).

2. The electrical drawer apparatus of claim 1, wherein: be equipped with the parallel of a plurality of in the cabinet body (1) from top to bottom drawer (2) and drive assembly, a plurality of main bevel gear (32) are through same root transmission shaft (31) control, a plurality of cam (14) are through same root control lever (13) control.

3. The electrical drawer apparatus of claim 2, wherein: the offset distances of a plurality of cams (14) arranged on the control rod (13) in the same direction are different.

4. The electrical drawer apparatus of claim 3, wherein: a handle (12) is fixed at one end of the control rod (13) extending out of the cabinet body (1).

5. The electrical drawer apparatus of claim 4, wherein: the top of the cabinet body (1) is provided with a mark for displaying the unlocking state of the drawer (2) corresponding to the position of the handle (12).

6. The electrical drawer apparatus of claim 1, wherein: one side of the longitudinal guide rail (22) close to the control rod (13) is connected with the cabinet body (1) through a spring (25).

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