CN201810074U

CN201810074U - Switch door mechanism of drawer type safe box

Info

Publication number: CN201810074U
Application number: CN2010205675087U
Authority: CN
Inventors: 姜志钧; 胡小亚
Original assignee: NINGBO YADA SAFE EQUIPMENT MANUFACTURE CO Ltd
Current assignee: NINGBO YADA SAFE EQUIPMENT MANUFACTURE CO Ltd
Priority date: 2010-10-20
Filing date: 2010-10-20
Publication date: 2011-04-27
Anticipated expiration: 2020-10-20

Abstract

The utility model relates to the technical field of safe boxes, in particular to a switch door mechanism of a drawer type safe box and solves the problem of rapid opening and closing of the drawer type safe box. The switch door mechanism comprises a micro motor, a box, a drawer and an installation bracket, wherein the drawer is arranged in the box; and the installation bracket is arranged on a back plate of the drawer. The switch door mechanism is characterized in that: the installation bracket is provided with a latch hook through a pin shaft; the latch hook has an eccentric wheel structure; a hub of an eccentric wheel is provided with a groove which is matched with the latch hook and a positioning hook which is matched with one end of a torsion spring; the other end of the torsion spring is connected with a limit steel wire spring; the limit steel wire spring is connected with a rotating disk of the motor through a pull plate; the other end of the limit steel wire spring is connected with a shifting fork; one end of the shifting fork is connected with a connecting rod; the connecting rod is connected with a mechanical key lock; and the mechanical key lock is arranged on a front panel of the drawer. The switch door mechanism has a simple and compact structure, safe and reliable action, a small number of internal parts, uncomplicated shape and low comprehensive cost.

Description

The door opening and closing mechanism of drawer type strongbox

Technical field

The utility model relates to the strongbox technical field, relates in particular to the door opening and closing mechanism of the drawer type strongbox in a kind of small-sized safeties.

Background technology

Speed was slower when at present general drawer type strongbox switch door used, the lockable mechanism complexity, and component are not only many and complex-shaped difficulty of processing is big, and corresponding cost is also high, also has occupation space big, makes the volume of drawer type strongbox big.At these defectives, corresponding door opening and closing mechanism is a main cause.Existing door opening and closing mechanism is various informative, and structure respectively has characteristics, and its function also is not quite similar.As number of patent application is the door bolt mechanism of a CN2929093Y drawer type strongbox, include base plate, motor, afterbody has the keeper of junction plate, junction plate is spacing on base plate, be fixedly connected with wheel disc on the motor, rotating disk is provided with biasing post, the respective side of junction plate has slotted eye, biasing post is plugged in the slotted eye, motor is fixed on the emergent slide plate, should emergent slide plate make it can only be spacing on base plate along the position limiting structure that base plate moves laterally by one, on base plate, also be provided with mechanical lock, shift fork on mechanical lock is connected with emergent slide plate by linkage, and it can be by rotating shift fork drivening rod mechanism action, and the biasing post that allows emergent slide plate drive on motor and the rotating disk laterally moves along base plate, so that junction plate is laterally mobile along base plate, thereby reach the function realization of meeting an urgent need and opening the door with key.And for example patent publication No. is the chamber door opening device of a CN2656569Y electronic safe, wherein chamber door is to be rotatably connected to casing, between casing and the chamber door door lock mechanism is installed, and have the control circuit and a numeric keypad of control gate latch mechanism action, chamber door one side position is provided with by spring-supported elastic lock tongue, opening inside line at casing has the lockhole that inserts for dead bolt accordingly, simultaneously in the built-in chamber of this side of casing, be set with motor, eccentric wheel and cam are arranged on the motor, cam cooperates with microswitch on the control circuit, and eccentric wheel cooperates with rocking arm top and contacts; rocking arm is to be fixedly mounted on rotationally in the built-in chamber of this side of casing; its top withstands on the dead bolt and is mated, and the hinged place of chamber door and casing is provided with torsion spring.

Summary of the invention

The purpose of this utility model is to need the problem of open and close fast in order to solve the drawer type strongbox, a kind of door opening and closing mechanism of drawer type strongbox of reasonable in design is provided, be equipped with microelectronic control system and mechanical key lock, reliable in function, component structural is simple, make easily, cost of production is low.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of door opening and closing mechanism of drawer type strongbox, comprise micro machine, casing, be contained in the drawer in the casing, be arranged on the mounting bracket on the drawer backboard, it is characterized in that by bearing pin latch hook being set on the described mounting bracket, latch hook is an eccentric wheel structure, eccentric wheel hub is provided with and the groove of snap fit and the location hook that cooperates with torsion spring one end, the other end of torsion spring connects spacing wire spring, spacing wire spring is connected with the motor rotating disk by arm-tie, the other end of spacing wire spring connects shift fork, one end of shift fork links to each other with connecting rod, connecting rod and mechanical key are phase-locked to be connect, and the mechanical key lock is arranged on the drawer front panel.

Mounting bracket is as basic part, and the part of door opening and closing mechanism all is installed on this basic part basically, after each part is loaded onto basic part, whole composite member is installed on the drawer plate.The latch hook that is equipped with on the mounting bracket is by arm-tie fixing on the microelectronic control system control motor rotating disk spacing wire spring of pulling downwards, make behind the latch hook rotating certain angle position with the strongbox chamber door on snap close break away from, thereby reach the unlatching of drawer.Under the state of emergency, can open drawer by the mechanical key lock.Close the drawer drawer that only need firmly close, after the snap close compressing latch hook phase clamshell doors direction that drawer is provided with is later done reverse rotation, be stuck on the spacing wire spring, latch hook is promptly locked, and drawer and casing are locked.

As preferably, the bearing pin of the latch hook that described mounting bracket is provided with is fixed on the mounting bracket, latch hook and bearing pin matched in clearance.Latch hook when work is that rotatablely moving in the circumference angle done at the center with the bearing pin, can establish bearing between latch hook and the bearing pin, the frictional force when reducing rotation.

As preferably, an end of described snap close is fixed on the casing, and the other end of snap close is a cylinder, the groove matched in clearance on cylinder and the latch hook.Snap close is the application point of the switch work between latch hook and the casing, and the groove fit mode on snap close and the latch hook is not only with cylindrical form, also can adopt prismatic, taper, the various structures that can fasten mutually such as square.

As preferably, the output shaft of described micro machine is provided with swinging plate, be positioned on the mounting bracket swinging plate below be provided with limit switch.Swinging plate plays position-limiting action, and when micro machine has rotated a circle, swinging plate also rotates simultaneously, and the swinging plate edge has been provided with projection and has run into limit switch, causes micro machine to stop the rotation.

As preferably, on drawer backboard, the end that shift fork is connected with connecting rod is provided with long pilot hole by dowel fixes in described shift fork center.Described shift fork stretches out two poles towards different directions on a disk, a pole is connected with an end of spacing wire spring, and another pole is connected with connecting rod, and when shift fork with the pin is the center rotation, spacing wire spring and connecting rod will move by different directions.

As preferably, the aperture that the card edge of described motor rotating disk is provided with, an end of arm-tie is connected arm-tie and aperture matched in clearance by little axle with aperture.During the motor dial rotation, arm-tie moves up and down, and the interlocked limited wire spring of arm-tie moves up and down.

As preferably, described torsion spring set is contained on the bearing pin and bearing pin and is fixed on the mounting bracket.Torsion spring resets to latch hook.

As preferably, described micro machine sets the circuit control panel, and micro machine, circuit control panel are fixed on the drawer backboard.Electric control gear volumes such as micro machine are little, do not take up space, and make whole door opening and closing mechanism compact conformation.

Effective effect of the present utility model is: mechanism is simple, and compact conformation moves safe and reliablely, and inner body is few and shape is uncomplicated, and integrated cost is low.

Description of drawings

Fig. 1 is the structural representation of a kind of door opening and closing mechanism of the present utility model.

Fig. 2 is a kind of drawer of the present utility model and casing assembling back structural representation.

Fig. 3 is the local structure for amplifying schematic diagram of the utility model Fig. 2.

Fig. 4 is the utility model door opening and closing mechanism rigging position structural representation in drawer.

Fig. 5 is the local link position structural representation of the utility model connecting rod, shift fork.

Fig. 6 is the right TV structure schematic diagram of the utility model Fig. 5.

Among the figure: 1. spacing wire spring, 2. micro machine, 3. latch hook, 4. torsion spring, 5. mounting bracket, 6. arm-tie, 7. motor rotating disk, 8. limit switch, 9. swinging plate, 10. casing, 11. snap closes, 12. connecting rods, 13. drawer backboard, 14. shift fork, 15. microelectronic control systems, 16. mechanical keys lock.

The specific embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

The door opening and closing mechanism of a kind of drawer type strongbox of present embodiment is established a safe body 10, adorns a drawer in the casing 10, and drawer backboard 13 is provided with mounting bracket 5, and drawer front panel is provided with numeral by strong and mechanism's key fore shaft, referring to Fig. 2 and Fig. 4.

Fix a bearing pin on the mounting bracket 5, latch hook 3 is housed on the bearing pin, latch hook 3 can rotate on bearing pin, referring to Fig. 1 and Fig. 3, latch hook 3 is made as eccentric wheel structure, and the eccentric wheel hub of latch hook is provided with a big arc groove and a little arc shape location hook, and groove and location hook are that the center is mutually an angle of 90 degrees with the bearing pin, groove cooperates with snap close 11 on being fixed on casing 10, and location hook cooperates with an end of torsion spring 4.

The other end of torsion spring 4 connects spacing wire spring 1, as shown in Figure 5, spacing wire spring 1 is connected with motor rotating disk 7 by arm-tie 6, and the other end of spacing wire spring 1 connects shift fork 14, one end of shift fork 14 links to each other with connecting rod 12, and connecting rod 12 joins with the mechanical key lock 16 that is contained on the drawer front panel.

Swinging plate 9 is contained in earlier on the output shaft of micro machine 2, refills motor rotating disk 7, and micro machine 2 is by microelectronic control system 15 controls, and micro machine 2 also is assemblied on the mounting bracket 5, referring to Fig. 6.

Drawer is put in the casing 10 closed under external force, at this moment, be fixed on snap close 11 compressing latch hooks 3 on the casing 10 and rotate an angle snap close 11 is hooked, and latch hook 3 is stuck on the spacing wire spring 1 automatically, and latch hook 3 is defined motion, and drawer is lockable.

When drawer is opened, driving motor rotating disk 8 by microelectronic control system 15 control motors 2 rotates, the arm-tie 6 that is connected with motor rotating disk 8 makes spacing wire spring 1 make rectilinear motion up and down, when arm-tie 6 is in extreme lower position, spacing wire spring 1 is pulled out from latch hook 3, latch hook 3 rotates under the effect of torsion spring 4, latch hook 3 is deviate from from snap close 11, and drawer is opened.

When micro machine 2 rotated a circle, because of swinging plate 9 is run into limit switch 8, breakdown action was promptly finished in motor 2 outages one time.

When the state of emergency, under microelectronic control system 15 mistake situations, can lock 16 by mechanical key and open drawer, its course of action is, because connecting rod 12 is connected with mechanical key lock 16 and shift fork 14, when unblanking, connecting rod 13 is rotated, and drives angle of shift fork 14 rotations, shift fork 14 is depressed spacing wire spring 1, spacing wire spring 1 is deviate from from latch hook 3, and latch hook 3 rotates under the effect of torsion spring 4 latch hook 3 is deviate from from snap close 11, and drawer is opened.

The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the simple transformation of the present utility model, technology is all belonged to protection domain of the present utility model.

Claims

1. the door opening and closing mechanism of a drawer type strongbox, comprise micro machine (2), casing (10), be contained in the drawer in the casing (10), be arranged on the mounting bracket (5) on the drawer backboard (13), it is characterized in that described mounting bracket (5) upward is provided with latch hook (3) by bearing pin, latch hook (3) is an eccentric wheel structure, eccentric wheel hub is provided with groove that cooperates with snap close (11) and the location hook that cooperates with torsion spring (4) one ends, the other end of torsion spring (4) connects spacing wire spring (1), spacing wire spring (1) is connected with motor rotating disk (7) by arm-tie (6), the other end of spacing wire spring (1) connects shift fork (14), one end of shift fork (14) links to each other with connecting rod (12), connecting rod (12) joins with mechanical key lock (16), and mechanical key lock (16) is arranged on the drawer front panel.

2. the door opening and closing mechanism of drawer type strongbox according to claim 1 is characterized in that the bearing pin of the latch hook (3) that described mounting bracket (5) is provided with is fixed on the mounting bracket (5), latch hook (3) and bearing pin matched in clearance.

3. the door opening and closing mechanism of drawer type strongbox according to claim 1 is characterized in that an end of described snap close (11) is fixed on the casing (10), and the other end of snap close (11) is a cylinder, the groove matched in clearance on cylinder and the latch hook (3).

4. the door opening and closing mechanism of drawer type strongbox according to claim 1 is characterized in that the output shaft of described micro machine (2) is provided with swinging plate (9), and the below that is positioned at swinging plate (9) on mounting bracket (5) is provided with limit switch (8).

5. the door opening and closing mechanism of drawer type strongbox according to claim 1, it is characterized in that described shift fork (14) center by dowel fixes on drawer backboard (13), shift fork (14) is provided with long pilot hole with the end that connecting rod (12) is connected.

6. the door opening and closing mechanism of drawer type strongbox according to claim 1 is characterized in that the aperture that the card edge of described motor rotating disk (7) is provided with, and an end of arm-tie (6) is connected with aperture by little axle, arm-tie (6) and aperture matched in clearance.

7. the door opening and closing mechanism of drawer type strongbox according to claim 1 is characterized in that described torsion spring (4) is sleeved on the bearing pin and bearing pin to be fixed on the mounting bracket (5).

8. the door opening and closing mechanism of drawer type strongbox according to claim 1 is characterized in that described micro machine (2) sets the circuit control panel, and micro machine (2), circuit control panel are fixed on the drawer backboard (13).