CN2727331Y

CN2727331Y - Lock with openable panel

Info

Publication number: CN2727331Y
Application number: CN 200420088427
Authority: CN
Inventors: 周训武
Original assignee: China Fangda Group Co Ltd
Current assignee: Shenzhen Fangda Automation System Co., Ltd.
Priority date: 2004-09-17
Filing date: 2004-09-17
Publication date: 2005-09-21
Anticipated expiration: 2014-09-17

Abstract

The utility model provides a lock with openable panel which is suitable for locking and fixing a plurality of progressive assembly cabinet openable panels. The utility model is composed of a panel fixing base, a lock pin assembly, a movable lock plate, a movable lock catch, a slider, a spring and a fixed lock catch. The lock pin assembly connects with the panel fixing base. The movable lock plate can be rotated by the lock pin and is provided with the eccentric guideway. The movable lock catch connects to the eccentric guideway by the movable pin shaft and slides in the slider, and the spring can drive the movable lock catch to reset. The fixed lock catch can be fastened with the movable lock catch. The movable pin shaft can move in the eccentric guideway by rotating the lock pin; The movable lock catch is disengaged from the fixed lock catch for unlocking. The movable lock catch can automatically reset by the effect of the elastic restoring force of the spring; only pressing the movable panel is required, and the movable lock catch is reset to be buckled with the fixed lock catch by the effect of elastic restoring force of the spring. The utility model has the advantages of convenient operation and automatic locking.

Description

But openable panel lock

Technical field

But but the utility model relates to the retaining mechanism of openable panel, particularly a kind of openable panel lock that is applicable to the bin openable panel (as: drop front of subway shield header case) that many groups are installed continuously is locked.

Background technology

In subway shield header case or other similar occasions; usually have active face plate group structure as shown in Figure 1; its top is many group fixed panels 100; the bottom is the adjacent drop front 200 of many groups (that only illustrates among the figure has provided three groups), and described fixed panel 100 and drop front 200 can be installed on the support (figure does not show).The top of each drop front is installed on the described support by hinge 400, thereby can do upper and lower stirring around falling hinger.

In addition, drop front is locked on the described support by panel lock 300 in the bottom of each drop front 200, when opening panel lock 300, drop front 200 gets final product upper and lower stirring; And when locking described panel lock 300, can prevent freely stirring of drop front, thereby guarantee to avoid the destruction of unrelated person.But in the retaining mechanism of this drop front, need be to panel lock of each drop front configuration; And these panel locks do not automatically reset usually, the function of automatic locking, all must use key during opening and closing, operation inconvenience.

The utility model content

The technical problems to be solved in the utility model is, but provide a kind of easy to operate, have and automatically reset and the openable panel lock of automatic locking.But the openable panel lock that the utility model further provides a kind of two movable snap closes can independently realize locking function.

The technical scheme that its technical problem that solves the utility model adopts is: but a kind of openable panel lock is provided, comprise plate lock fixed seat, be connected on the described plate lock fixed seat, lock core assembly with rotatable lock core, be fixed on the described lock core assembly, and can rotate by described lock core drive, be provided with the movable jam plate of eccentric guide rail, be movably connected in movable snap close on the described eccentric guide rail by active pin shaft, be fixed on the described plate lock fixed seat, the slide that supplies described movable snap close to slide within it, in described slide, be provided with and be set in outside the described movable snap close, can drive the spring that described movable snap close resets, and be fixed on the drop front, can with the described movable snap close fixedly snap close of buckle mutually.

But above-mentioned openable panel is locked the end of described eccentric guide rail and is provided with and can carries out spacing stopper slot to described active pin shaft.Thereby realize spacing and locking to active pin shaft.

But above-mentioned openable panel is locked described fixedly snap close and described movable snap close is respectively equipped with the inclined-plane that can match.Can change the size of bevel angle according to the big or small needs of coupling mechanism force.

But above-mentioned openable panel is locked described lock core assembly and is also comprised described lock core is fixed on lock tube on the described plate lock fixed seat.In described lock tube inboard, described lock core sleeve is provided with spring, and described spring end further is connected with protected apron.

It is circular jam plate that but above-mentioned openable panel is locked described movable jam plate.Described eccentric guide rail on the described movable jam plate near the side in the center of circle for being progressively to the close circular curve in the center of circle progressively to close another side of straight line in the center of circle; Perhaps, the inner side edge of described eccentric guide rail can be arbitrary shape, and progressively can be the curve of different curvature radius to the close circular curve in the center of circle.

But above-mentioned openable panel lock is provided with two groups of described movable jam plate, active pin shaft and movable snap closes that can symmetrical be connected the both sides of described lock core.

Compared with prior art, but the utility model openable panel lock rotate by rotational lock core drive activity jam plate, thereby make active pin shaft on eccentric guide rail, slide, drive activity snap close and fixedly snap close disengaging, thereby release; After opening drop front, under the effect of the elastic restoring force of spring, promotion activity snap close automatically resets; And when needs are closed drop front, only need firmly push drop front, promotion activity snap close compression spring, after fixedly snap close passes through movable snap close, under the effect of the elastic restoring force of spring, movable snap close resets, and with fixing snap close buckle mutually, thereby has characteristics easy to operate, automatic locking.In addition, but the utility model openable panel lock can have the movable jam plate of two independent symmetric designs, movable snap close, satisfies release simultaneously, and the adjacent panel of separate locking two.

Description of drawings

Below in conjunction with drawings and Examples but the utility model openable panel lock is described further, in the accompanying drawing:

Fig. 1 is the schematic diagram of existing drop front and retaining mechanism thereof;

But Fig. 2 is the schematic diagram of the utility model openable panel lock and drop front;

But Fig. 3 is the schematic diagram that the utility model openable panel lock omits drop front;

But Fig. 4 is the level of the utility model openable panel lock and drop front to be cutd open and shows schematic diagram;

But Fig. 5 is the eccentric guide rail of the utility model openable panel lock has difform, as to omit drop front schematic diagram.

The specific embodiment

But openable panel lock of the present utility model is described in further detail below in conjunction with accompanying drawing., be locked to shown in Figure 4 as Fig. 2 but the utility model openable panel lock is applicable to the bin openable panel (as: drop front 10 of subway shield header case) that many groups are installed continuously.But an openable panel lock can be locked the two ends (as shown in Figure 2) of adjacent two drop fronts 10, it can be installed on the baffle plate between the adjacent activities panel 10 (figure does not show), after release, drop front 10 can rotate up unlatching around 16 rotations of panel hinges on top.In the present embodiment, but the utility model openable panel lock is the bilateral symmetry structure, certainly, and can be according to actual requirement, but the openable panel lock can omit left side structure or the right structure, is used for fixing single drop front 10.

In the present embodiment, but the utility model openable panel lock comprises plate lock fixed seat 8, lock core assembly 7, movable jam plate 9, movable snap close 4, slide 2, spring 3 and fixing snap close 1.

Described lock core assembly 7 comprises lock tube 12 and the lock core 11 that can rotate in described lock tube 12.The cross sectional shape of described lock core 11 can be multiple patterns such as square, triangle, pentagon, and the key that matches by use rotates described lock core 11, realizes release.Described lock core assembly 7 is fixed on the described jam plate holder by lock tube 12; Described movable jam plate 9 then is fixed on the described lock core 11 by screw (certainly fix by other modes, for example rivet, welding etc.), and can be by described lock core 11 driven rotary.In described lock tube 12 inboards, be arranged with spring 15 outside the described lock core 11, described spring 15 ends further are connected with protected apron 6; Under the normal condition, described protected apron 6 is concordant with described lock core assembly 7 outward appearances, but can prevent the destruction of unrelated person to the openable panel lock.When the needs release, use key pushing protected apron 6, make key can rotate described lock core 11; After release was finished, described protected apron 6 was returned to original position under the effect of the elastic restoring force of spring 15, kept the unanimity of outward appearance.

Described movable jam plate 9 is circular jam plate (can certainly be other shapes, as square, irregular polygon etc.), can be by described lock core 11 driven rotary.Described movable jam plate 9 offers eccentric guide rail 13, further is provided with stopper slot 14 at the end of described eccentric guide rail 13.Described eccentric guide rail 13 near the side in the centers of circle for being progressively to the close circular curve in the center of circle progressively to close another side of straight line in the center of circle.Certainly, the dual-side of described eccentric guide rail 13 can be progressively to the close straight line in the center of circle, or is progressively to the close circular curve in the center of circle, as shown in Figure 5.Described movable snap close 4 is connected on the described movable jam plate 9 by active pin shaft 5, and described active pin shaft 5 can slide in the eccentric guide rail 13 of described movable jam plate 9.When rotating described movable jam plate 9, driving described active pin shaft 5 by described eccentric guide rail 13 moves in described eccentric guide rail 13, because described eccentric guide rail 13 is gradually near the center of circle, make described active pin shaft 5 also move towards center of circle direction, thereby driving described movable snap close 4 moves towards center of circle direction, make described movable snap close 4 to break away from, shown in Fig. 3 direction of arrow with described fixedly snap close 1.

On described plate lock fixed seat 8, and described movable snap close 4 passes described slide 2 and is connected with described movable jam plate 9 described slide 2 by screw.In described slide 2, be provided with the spring 3 that is set in outside the described movable snap close 4, under the effect of the elastic restoring force of described spring 3, can drive described movable snap close 4 and reset.

Described fixedly snap close 1 is fixed on the described drop front 10 by modes such as bolt or screws.Described fixedly snap close 1 can with described movable snap close 4 buckle mutually, thereby the described drop front 10 of fastening.And also be provided with the inclined-plane that matches on described fixedly snap close 1 and the described movable snap close 4, when closing described drop front 10, described inclined-plane can cooperatively interact, and is convenient to push described movable snap close 4.

During release, the key that is used for described lock core 11 form fit pushes described guard shield, clockwise rotate described lock core 11 (direction shown in Fig. 3 arrow), the movable jam plate 9 that drive is connected on the described lock core 11 rotates, thereby described active pin shaft 5 is moved along the eccentric guide rail 13 of described movable jam plate 9, be with described movable snap close 4 motions until described stopper slot 14, making described movable snap close 4 be separated with described fixedly snap close 1; Loose one's grip and to open drop front 10.After opening drop front 10, rotate counterclockwise described key, make described active pin shaft 5 fully from described stopper slot 14, extract key, under the effect of the elastic restoring force of spring 3, described movable snap close 4 automatically resets.(as required, can be designed to rotate counterclockwise the lock core release).

In the time of need closing opened drop front 10, only need to promote the drop front 10 that to close, make the inclined-plane of described fixedly snap close 1 match with the inclined-plane of described movable snap close 4, push described movable snap close 4, after described fixedly snap close 1 surpassed described fixedly snap close 1, under the effect of the elastic restoring force of spring 3, described movable snap close 4 automatically reset, thereby make described fixedly snap close 1 and described movable snap close 4 snap lock mutually, realize reliable automatic locking.

Claims

1, but a kind of openable panel lock, it is characterized in that, comprise plate lock fixed seat (8), be connected on the described plate lock fixed seat (8), lock core assembly (7) with rotatable lock core (11), be fixed on the described lock core assembly (7), and can rotate by described lock core (11) drive, be provided with the movable jam plate (9) of eccentric guide rail (13), be movably connected in movable snap close (4) on the described eccentric guide rail (13) by active pin shaft (5), be fixed on the described plate lock fixed seat (8), the slide (2) that supplies described movable snap close (4) to slide within it, in described slide (2), be provided with and be set in outside the described movable snap close (4), can drive the spring (3) that described movable snap close (4) resets, and be fixed on the drop front (10), can with described movable snap close (4) the fixedly snap close (1) of buckle mutually.

2, but openable panel lock according to claim 1 is characterized in that the end of described eccentric guide rail (13) is provided with and can carries out spacing stopper slot (14) to described active pin shaft (5).

3, but openable panel lock according to claim 1 and 2 is characterized in that described fixedly snap close (1) and described movable snap close (4) are respectively equipped with the inclined-plane that can match.

4, but openable panel according to claim 3 lock is characterized in that, described lock core assembly (7) also comprises described lock core (11) is fixed on lock tube (12) on the described plate lock fixed seat (8).

5, but openable panel lock according to claim 4 is characterized in that, in described lock tube (12) inboard, described lock core (11) is outer to be arranged with spring (15), and described spring end further is connected with protected apron (6).

6, but openable panel lock according to claim 1 is characterized in that described movable jam plate (9) is circular jam plate.

7, but openable panel lock according to claim 6 is characterized in that the described eccentric guide rail (13) on the described movable jam plate (9) can be curve or straight line near the side in the center of circle; And another side is progressively to the close circular curve in the center of circle.

8, but openable panel lock according to claim 1 is characterized in that, but described openable panel lock is provided with two groups of described movable jam plate, active pin shaft and movable snap closes that can symmetrical be connected described lock core both sides.