CN2395620Y

CN2395620Y - Electronic drawer cabinet

Info

Publication number: CN2395620Y
Application number: CN 99251201
Authority: CN
Inventors: 陈军奇; 肖思贵
Original assignee: DATE ELECTRONIC SCIENCE AND TECHNOLOGY Co Ltd SHENZHEN CITY
Current assignee: DATE ELECTRONIC SCIENCE AND TECHNOLOGY Co Ltd SHENZHEN CITY
Priority date: 1999-10-12
Filing date: 1999-10-12
Publication date: 2000-09-13
Anticipated expiration: 2009-10-12

Abstract

The utility model discloses an electronic drawer cabinet which comprises a drawer box and a bottom seat, wherein, the bottom of the drawer box is provided with a guide rail, and the bottom seat is provided with a guide groove which is matched with the guide rail at a position corresponding to the guide rail. Besides, the bottom seat is provided with a motor, a threaded shaft, a threaded sleeve and a gear set, wherein, the motor is a reversible motor which is connected with the threaded shaft through the gear set. The threaded sleeve is sheathed on the threaded shaft. When the threaded shaft rotates, the threaded sleeve can translationally move along the threaded shaft. The threaded sleeve which is fixed on the bottom of the drawer box enables the drawer box to move synchronously with self.

Description

The electronics drawers cabinet

The utility model relates to a kind of electronics drawers cabinet.

The electronics drawers cabinet is suitable for carrying out intelligentized computer management and uses, for example be used for the mailbox management of intelligent building, be used for the tax authority taxpayer is provided tax information and duty receipt, all there is big demand in the unit as the frequent granting data of need such as financial institution, government organs to this in addition.Existing electronic multi-drawer cabinet generally all is made up of cabinet and a plurality of drawer that drive unit is housed, though can be implemented in the switch under the computer control, but have following subject matter: one, existing drawer adopts the rack drives on-off mode, power demand of motors is bigger, generally need to adopt the motor more than diameter 30～40mm, need to vacate specific location in drawer back and lay, drawer length has extended, make that whole drawout cubicle is thicker, generally need more than the 450mm.Two, existing drawer is bigger because of motor, its driving gear set is also bigger accordingly, and generally each needs more than the 30mm, and will be so that place about the vacant 10mm of drawer box bottom, it is bigger to make that drive part integral body takies volume, has reduced effective utilization of drawer box volume.Three, the motor of existing drawer and gear adopt the belt transmission, and belt is easy to ageing failure, has reduced the reliability of total system.Four, existing drawer and base generally adopt than the complicated mechanical locking device, and reliability is lower, and the security of the data in being stored in also reduces greatly.Five, existing drawer one-piece construction more complicated, the assembly work amount is also bigger, has correspondingly reduced the reliability of system.

The purpose of this utility model is exactly in order to overcome the above problems, and a kind of electronics drawers cabinet is provided, and improves the effective rate of utilization of drawer volume, reduces drawer thickness, increases reliability and security, and it is simplified the structure.

The utility model realizes that the scheme of above-mentioned purpose is: a kind of electronics drawers cabinet, comprise drawer box, base, and it is characterized in that: guide rail is arranged at described drawer box bottom, with guide rail relative position place guide groove is arranged on the described base, and guide groove matches with guide rail; Also have motor, thread spindle, thread bush, gear set on base, described motor is a reversible electric machine, links to each other with thread spindle by gear set, and thread bush is placed on the thread spindle, and when thread spindle revolved spool, thread bush can be along the thread spindle translation; Thread bush is fixed in the bottom of drawer box, and drawer box and thread bush are synchronized with the movement.In the drawer box bottom concavo-convex rail is arranged, on base, also have limit switch, be with spring at thread spindle one end; Be arranged with depression position and boss on the concavo-convex rail, its below is during over against limit switch, and when boss was run into limit switch, limit switch was depressed, and when the corresponding limit switch in depression position, limit switch is upspring; The signal of limit switch links to each other with the control gear of motor.

Adopt the beneficial effect of above scheme: adopted gear set to carry out speed change and reduced speed, increased torsional forces, can drive under the prerequisite of drawer box satisfied, the minisize dc reversible electric machine of optional diameter of phi 8～Φ 12, volume dwindles greatly, can be directly installed on the drawer box bottom, need not specific location to be set at the drawer box rear portion.When guaranteeing that drawer box has the normative document length of 230mm, whole rack can be accomplished the ultrathin type of 260mm.Because of having adopted less micromachine, its driving gear set is less relatively, only needs several millimeters diameter, only occupies very little drawer bottom space, has increased the useful volume of whole drawer box.Because of adopting the thread spindle transmission of stainless steel, use reliable and stablely for a long time, avoided the shortcoming of the easy ageing failure of belt.Adopted the kind of drive of motor gear one thread spindle one thread bush, because of thread bush and axle closely cooperate and can not sliding, make drawer be returned to auto lock after the original position, improved security performance.Simple in structure, assembling is easy, and a complete set of transmission locking only needs thread spindle, cover and three pinion wheels, and with respect to belt and the gear wheel more than three and all kinds of special-shaped complicated locking mechanism of existing drawer box, the reliability of its total system improves greatly.

The intelligent cabinet outside drawing that Fig. 1 is made up of electronics drawers.

Fig. 2 is an electronics drawers assembling synoptic diagram.

Fig. 3 is an electronics drawers drive unit synoptic diagram.

Fig. 4 is an A enlarged drawing among Fig. 3.

Fig. 5 is the directed guide rail elevational schematic view of smart electronics drawer.

Fig. 6 is the directed guide rail schematic side view of smart electronics drawer.

Fig. 7 is a B enlarged drawing among Fig. 6.

Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.

See Fig. 2-7, shown in the electronics drawers cabinet comprise drawer box 2, base 3, guide rail 20 is arranged at described drawer box 2 bottoms, with guide rail 20 relative position places guide groove 19 is arranged on the described base 3, guide groove 19 matches with guide rail 20; On base 3, also have motor 11, thread spindle 10, thread bush 9, gear set 12,14,15 (it comprises gear A 15, gear B 14, gear C 12 in this example), described motor 11 is reversible electric machines, link to each other with thread spindle 10 by gear set 12,14,15, thread bush 9 is placed on the thread spindle 10, when thread spindle 10 revolved spool, thread bush 9 can be along thread spindle 10 translations; Thread bush 9 is fixed in the bottom of drawer box 2, and drawer box 2 and thread bush 9 are synchronized with the movement.In drawer box 2 bottoms concavo-convex rail 21 is arranged, on base 3, also have limit switch 4, be with spring 13 at thread spindle 10 1 ends; Be arranged with depression position and boss on the concavo-convex rail 21, its below is during over against limit switch 4, and when boss was run into limit switch 4, limit switch was depressed, and when the corresponding limit switch 4 in depression position, limit switch is upspring; The signal of limit switch 4 links to each other with the control gear of motor 11.

At drawer box 2 sidepieces draw-in groove 22 is arranged, in base 3 corresponding positions screens 18 is arranged, after drawer box 2 was installed on the base 3, described screens 18 was stuck in the draw-in groove 22, played fixation.

Drive unit is fixed on the base 3, comprises motor 11, thread spindle 10, thread bush 9, gear A 15, gear B 14, gear C 12, spring 13 (three gears constitute gear set).When motor 11 rotated, the gear A 15 that is fixed on 11 in the motor was rotated, driven gear B14, driven wheel C12, and speed reduces, and moment of torsion increases.Gear C 12 is fixed on the thread spindle 10, drives thread spindle 10 and rotates; The thread bush 9 that the rotation of thread spindle 10 drives engagement moves.Thread bush 9 is the bottoms that are fixed on drawer box 2 with screw 7, makes that drawer box 2 can not be by extracting out on the base 3, and the draw-in groove 22 of drawer box 2 cooperates positioning action about with screens 18 on the base 3.Like this, base 3 constitutes an integral body with drawer box 2, and the mobile drawer box 2 that makes of thread bush 9 moves along the guide groove 19 on the base 3.Smart electronics drawer base 3 is equipped with limit switch 4, and convex-concave rail 21 is arranged at drawer box 2 bottoms.When drawer box 2 moved to the relevant position, the position probing protruding rail 21 of drawer box 2 bottoms was depressed limit switch 4, and signal is sent into control circuit.Direct current generator 11 is controlled according to various logical relation by control circuit.The various states of smart electronics drawer are optional to be shown by a dual-colored LED pilot lamp 6.

Its actual motion process is as follows: in original state, drawer is closed.When control circuit driving dc reversible electromotor 11 is just changeing, cogwheel gearing is by gear A, B, C two-stage speed change, drive thread spindle 10 is just changeing after increasing moment of torsion, and the thread bush 9 that meshes with thread spindle 10 is fixed in drawer box 2 bottoms, and the mobile drive drawer box 2 of thread bush 9 moves forward.When moving to the precalculated position, promptly after drawer box 2 most of the unlatchings, position probing protruding rail 21 is depressed limit switch 4, the switch contact closure, and signal is sent into control circuit, and control circuit makes drawer box 2 stop motions, finishes the drawer box breakdown action.Gently promote drawer box 2 inward with have gentle hands when client's closing drawers, spring 13 is compressed, and position probing protruding rail 21 leaves limit switch 4, switch contact disconnects, after control circuit receives cut-off signal, drive dc reversible electromotor 11 counter-rotatings, thread spindle 10 counter-rotatings, drives drawer box 2 moves backward, depress limit switch 4 once more up to position probing protruding rail 21, the switch contact closure, control circuit makes drawer box 2 stop motions, be returned to the original position, finish the drawer box closing motion.

Above-mentioned electronics drawers cabinet can use separately, also can be used in combination, and for example an intelligent cabinet profile that is become by above-mentioned electronics drawers group as shown in Figure 1.Wherein 100 is miniature LED display, and 200 is the electronics drawers cabinet, and 6 is status lamp.

Claims

1. an electronics drawers cabinet comprises drawer box (2), base (3), it is characterized in that: guide rail (20) is arranged at described drawer box (2) bottom, and described base (3) is gone up and there is guide groove (19) at guide rail (20) relative position place, and guide groove (19) matches with guide rail (20); Go up motor (11), thread spindle (10), thread bush (9), gear set (12), (14), (15) in addition at base (3), described motor (11) is a reversible electric machine, link to each other with thread spindle (10) by gear set (12), (14), (15), thread bush (9) is placed on the thread spindle (10), when thread spindle (10) revolved spool, thread bush (9) can be along thread spindle (10) translation; Thread bush (9) is fixed in the bottom of drawer box (2), and drawer box (2) and thread bush (9) are synchronized with the movement.

2. electronics drawers cabinet as claimed in claim 1 is characterized in that: in drawer box (2) bottom concavo-convex rail (21) is arranged, go up limit switch (4) in addition at base (3), be with spring (13) at thread spindle (10) one ends; Be arranged with depression position and boss on the concavo-convex rail (21), its below is during over against limit switch (4), and when boss was run into limit switch (4), limit switch was depressed, and when the depression corresponding limit switch in position (4), limit switch is upspring; The signal of limit switch (4) links to each other with the control gear of motor (11).

3. electronics drawers cabinet as claimed in claim 1 or 2, it is characterized in that: draw-in groove (22) is arranged at drawer box (2) sidepiece, in base (3) corresponding position screens (18) is arranged, after drawer box (2) was installed on the base (3), described screens (18) was stuck in the draw-in groove (22).