CN2615722Y

CN2615722Y - Door cover locking mechanism

Info

Publication number: CN2615722Y
Application number: CN 03238458
Authority: CN
Inventors: 林维新
Original assignee: Tatung Co Ltd
Current assignee: Tatung Co Ltd
Priority date: 2003-04-21
Filing date: 2003-04-21
Publication date: 2004-05-12
Anticipated expiration: 2013-04-21

Abstract

The utility model relates to a locking mechanism of the door panel, which is group arranged on the door panel to fix the door panel on the door frame. Firstly, turn the door handle revolution axis on the door panel, the revolution axis drives the sliding slice on the door panel to slide horizontally with guide of the cam, then the locking component on the sliding slice locks the corresponding locking component on the door frame and the locking is done. With the rotating action of the cam the horizontal moving speed of the sliding slice forms a geometrical relationship with the rotating speed of the door handle revolution axis, when the rotating door handle turns, the not proper phenomenon of the applied force will not arise. In addition, the utility model has simple conformation without many used screws and the model is able to cut down the number of components effectively and to increase the convenience of the locking mechanism in assemblage and disassembling.

Description

The door closure locking mechanism

Technical field

The utility model is about a kind of door closure locking mechanism, refers to a kind of door closure locking mechanism that is applicable to household electrical appliances, electronics, information product especially, is specially adapted to the locking of host computer casing door closure.

Background technology

In general household electrical appliances, electronics or the information product, often need utilize a locking mechanism to be locked on product box body or the framework with door closure with this product, with the host computer casing is example, and traditional practice is in the screw mode that locks the door closure of casing to be locked on the Casing frame.

Except that the use screw locks, other still can use the linkage assembly lock mode, see also Fig. 5, it is an existing linkage assembly locking device, its kind of drive is that the connecting

rod

92,93 that rotates its door knob rotating shaft 91 door knob rotating shafts afterwards 91 drive both sides earlier moves up and down, and connecting rod 92, an end of 93 is sticked in locking in the hole 95 on the framework 94 respectively by upper and lower motion, reaches the locking of door closure 90 whereby.Yet the upper and lower motion of its connecting

rod

92,93 is simple harmonic motions, and door knob rotating shaft 91 is when rotation, and the strength that each anglec of rotation is bestowed is neither identical, that is can rotate the situation that the application of forces have some setbacks to rotating shaft 91 by generator gate when door closure 90 lockings or dismounting.In addition, this kind linkage assembly needs to lock by many screws, not only causes number of parts too much, and is also too time-consuming and inconvenient when assembling or dismounting.

Visitor in the utility model

Fundamental purpose of the present utility model is that a kind of door closure locking mechanism is being provided, can avoid the door knob rotating shaft when rotating, to produce the situation that the application of force has some setbacks simultaneously by the design of simplified structure to reduce number of parts and to improve the convenience of the assembly and disassembly of locking mechanism.

For reaching above-mentioned purpose, door closure locking mechanism of the present utility model is to be mounted on the door closure so that this door closure is locked on the doorframe, and this door closure is formed with a circular hole and convexes with at least one first horizontal sliding element, and doorframe then is formed with at least one first horizontal shutting element.

In addition, door closure locking mechanism of the present utility model includes a slide, a revolving fragment and a door knob rotating shaft in addition.Wherein, slide includes at least one second horizontal sliding element, at least one second horizontal shutting element, at least one second cam member, an and through hole, and revolving fragment includes at least one first cam member, one center pit, and at least one force section, as for the door knob rotating shaft then is the circular hole that passes above-mentioned door closure, the through hole of slide, and the center pit of revolving fragment is to be hubbed at revolving fragment on the door closure, it is the force section that correspondence is mounted on revolving fragment that door knob rotating shaft simultaneously is formed with at least one drive block in addition, by revolving door rotating shaft is rotated along its center pit with the driven in rotation sheet, and first cam member of revolving fragment also drives second cam member of slide via the cam turning effort, impel slide with the corresponding slippage of its second horizontal sliding element on the first horizontal sliding element of door closure, make the second horizontal shutting element of slide just can corresponding be fastened on the first horizontal shutting element of doorframe, door closure is locked on the doorframe.Otherwise rotary door oppositely moves the first horizontal shutting element that the second horizontal shutting element that can impel slide breaks away from doorframe to rotating shaft, so as to the dismounting door closure.

Therefore, the utility model makes the speed of moving horizontally of slide form the geometric ratio relation with the anglec of rotation of door knob rotating shaft by the cam turning effort, so do not have the phenomenon generation that the application of force has some setbacks during rotating shaft in revolving door.In addition, simple structure of the present utility model, no traditional approach need use too much screw to lock the problem of linkage assembly, that is can reduce number of parts by the design of simplified structure, and improves the convenience of the assembly and disassembly of locking mechanism.

It is to be fastened on the revolving fragment that door knob rotating shaft of the present utility model still can include at least one grab, so that the revolving fragment frame is located on the door closure, certainly with modes such as screw lock, close-fitting, build-in, gummed also can, be preferably with the hook structure self-locking to improve property easy to assembly.

In addition, the first horizontal sliding element on the utility model door closure can be a guiding projection, and the second horizontal sliding element on the slide can be a horizontal concrete chute, and vice versa certainly.Second cam member on the slide can be a guiding projection in addition, and first cam member on the revolving fragment can be a cam arc groove, and same, its two opposite configuration also can.Again for revolving fragment can be rotatablely moved smoothly, on revolving fragment, can convex with a plurality of salient points and correspondence contacts in slide, make and can reduce friction resistance between revolving fragment and the slide and can smooth and easyly rotate, also salient point can be convexly set on the slide certainly.

Description of drawings

Fig. 1 is the application synoptic diagram that the utility model is implemented on a host computer casing;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is that section of the present utility model is solid;

Fig. 4 (A) is the synoptic diagram of the utility model unlocked state;

Fig. 4 (B) is the synoptic diagram of the utility model lock-out state;

Fig. 5 is the synoptic diagram of existing linkage assembly locking device.

Embodiment

At first, seeing also Fig. 1 is the application synoptic diagram that the utility model is implemented on a host computer casing 1, shows that wherein door closure locking mechanism of the present utility model is that the side cover 11 (door closure) that is mounted on host computer is gone up so that this side cover 11 is locked on the framework 12 (doorframe) of casing 1.Please consult Fig. 2 three-dimensional exploded view of the present utility model simultaneously, reach Fig. 3 sectional view of the present utility model, in present embodiment, the mechanism design of side cover 11 is combined with an ironware 100 and a plastic parts 110, this kind design does not influence application of the present utility model, and this side cover 11 also can be designed to single element.On ironware 100 and plastic parts 110, be formed with a circular hole 101 respectively, 111, on ironware 100 and convex with four first horizontal sliding elements 112, on framework 12, then be formed with four first horizontal shutting elements 121, in present embodiment, the first horizontal sliding element 112 is to be a guiding projection, and the first horizontal shutting element 121 then is a shrinkage pool.

In addition, show a slide 2 in graphic in addition, it includes four second horizontal sliding elements 21, four second horizontal shutting elements 22, two second cam members 23, an and through hole 24, in present embodiment, the second horizontal sliding element 21 be for a horizontal concrete chute, the second horizontal shutting element 22 be for a grab, second cam member 23 be to be a guiding projection.Revolving fragment 3 in graphic in addition includes two first cam members 31, a center pit 32, reaches two force sections 33, and in present embodiment, first cam member 31 is to be a cam arc groove.Again, one door knob rotating shaft 4, it is the circular hole 101 that passes ironware 100 and plastic parts 110,111, the through hole 24 of slide 2, and the center pit 32 of revolving fragment 3 is to be hubbed at revolving fragment 3 on the side cover 11, and it is force sections 33 that correspondence is mounted on revolving fragment 3 that door knob rotating shaft 4 is formed with two drive blocks 41, in present embodiment, door knob rotating shaft 4 still is formed with two grabs 42 and can be fastened on the revolving fragment 3, utilize the self-locking mode of grab 42 to impel revolving fragment 3 can closely be hubbed on the side cover 11, the mode that locks of grab 42 also can change modes such as screw lock, close-fitting, build-in, gummed into certainly.

Please consult Fig. 3 simultaneously, Fig. 4 (A) is the synoptic diagram of unlocked state, and Fig. 4 (B) is the synoptic diagram of lock-out state, when desiring to finish the lock-out state of Fig. 4 (B) by the unlocked state of Fig. 4 (A), can first rotary door rotating shaft 4 and force in the force section 33 of revolving fragment 3 with the drive block 41 of door knob rotating shaft 4, rotate along its center pit 32 so as to driven in rotation sheet 3, first cam member 31 (cam arc groove) of revolving fragment 3 drives second cam member 23 (guiding projection) of slide 2 via the cam turning effort at this moment, impel simultaneously slide 2 with the corresponding slippage of its second horizontal sliding element 21 (horizontal concrete chute) on the first horizontal sliding element 112 (guiding projection) of side cover 11, make the proper correspondence of the second horizontal shutting element 22 (grab) of slide 2 be fastened on the first horizontal shutting element 121 (shrinkage pool) of framework 12, so can finish the lock-out state of Fig. 4 (B).Otherwise, when desiring to finish the unlocked state of Fig. 4 (A) by the lock-out state of Fig. 4 (B), only need backward rotation door knob rotating shaft 4 to get final product, for ease of learning the steering state of door knob rotating shaft 4, but mint-mark in door knob rotating shaft 4 modes such as (or) pasting a triangle arrow 43.

Therefore, make the speed of moving horizontally of slide 2 can form the geometric ratio relation, so do not have the phenomenon generation that the application of force has some setbacks during rotating shaft 4 in revolving door with the anglec of rotation of door knob rotating shaft 4 by the cam turning effort of revolving fragment 3.In addition, because said structure does not have the problem that traditional approach need use the attached linkage of too much screw pins, so can reach the purpose that reduces number of parts and improve the assembly and disassembly convenience of locking mechanism.

About above-mentioned first cam member, 31 employed cam arc grooves, and second cam member, 23 employed guiding projections, between its two is to dispose on the contrary, that is first cam member 31 can use guiding projection, second cam member 23 can use cam arc groove.Same, also all can adopt the mode of opposite configuration between the first horizontal sliding element 112 (guiding projection) and the second horizontal sliding element 21 (horizontal concrete chute), the first horizontal shutting element 121 (shrinkage pool) and the second horizontal shutting element 22 (grab).

Please consult Fig. 2 again, for making revolving fragment 3 smooth rotations, present embodiment convexes with several salient points 34 on revolving fragment 3, and this salient point 34 is that correspondence contacts in slide 2, the friction force when the mode of a contact can reduce revolving fragment 3 rotations.Same, this salient point 34 also can be disposed on the slide 2 on the contrary.

The foregoing description only is to give an example for convenience of description, and the interest field that the utility model is advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.

Claims

1. door closure locking mechanism is mounted on the door closure so that this door closure is locked on the doorframe, and this door closure is formed with a circular hole and convexes with at least one first horizontal sliding element, and this doorframe is formed with at least one first horizontal shutting element; It is characterized in that:

One slide includes at least one second horizontal sliding element, at least one second horizontal shutting element, at least one second cam member, reaches a through hole;

One revolving fragment includes at least one first cam member, a center pit, reaches at least one force section; And

One door knob rotating shaft, be pass this circular hole, through hole, and center pit so that this revolving fragment is hubbed on this door closure, and this door knob rotating shaft is to be formed with the force section that at least one drive block correspondence is mounted on this revolving fragment.

2. door closure locking mechanism as claimed in claim 1 is characterized in that: it is to be fastened on this revolving fragment that described this door knob rotating shaft more includes at least one grab, so that this revolving fragment is hubbed on this door closure.

3. door closure locking mechanism as claimed in claim 1 is characterized in that: the first horizontal sliding element on described this door closure is a guiding projection, and the second horizontal sliding element on this slide is a horizontal concrete chute.

4. door closure locking mechanism as claimed in claim 1 is characterized in that: second cam member on described this slide is a guiding projection, and first cam member on this revolving fragment is a cam arc groove.

5. door closure locking mechanism as claimed in claim 1 is characterized in that: it is that correspondence contacts in this slide that described this revolving fragment more convexes with a plurality of salient points.