CN2789826Y

CN2789826Y - Locking mechanism

Info

Publication number: CN2789826Y
Application number: CN 200520000617
Authority: CN
Inventors: 叶云杰; 李宜珊
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2005-01-24
Filing date: 2005-01-24
Publication date: 2006-06-21
Anticipated expiration: 2015-01-24

Abstract

The utility model discloses a locking mechanism, which is mainly composed of a positioning hole, a lock catch board, a lock catch piece and an inserted pin. The utility model is characterized in that the lock catch piece penetrates through the positioning hole which is arranged on a main body, and the lock catch board of a casing; the inserted pin which is sheathed in the end of the lock catch piece is utilized to clamp the lock catch piece, the casing is also stressed for spacing so as to obtain the locking effect. Thereby, the work of disassembling and assembling locking screws can be avoided in locking the casing.

Description

A kind of locked mechanism

Technical field

The utility model relates to a kind of locked mechanism, particularly relates to a kind of locked mechanism of exempting from screw.

Background technology

Making rapid progress of development of information science and technology now, electronic installation particularly miscellaneous have become indispensable indispensable device in people's life.

The outward appearance of the main frame body of electronic installation is utilized several pieces casings (as: front panel, postnotum, loam cake, lower cover, two side plates) utilization fixing haply mostly or is locked on the frame and forms, and the locking mode then is through several screws each casing to be locked on the frame.

See also the assembling synoptic diagram of existing side plate shown in Figure 1, the mode of existing as shown in the figure locking casing is to utilize hook part on the side plate 10 to be embedded in after block button hole 25 on the frame 20 makes it keep temporary transient fixed position earlier mostly, from the screw that the clamping hole 15 of side plate 10 passes backboard 40 and frame 20 it is locked on the frame 20 locking screw 30 again.

And the mode of the side plate of this kind locking at present uses several locking screw with need, and need use very inconvenience of dismantling device, and when the user need dismantle side plate because of special status, needs from postnotum dismounting locking screw, very inconvenience.In the mounting-dismounting programme, screw is not lost in addition, may cause the situation of main frame short circuit if do not note slightly, abnormally dangerous.And spent time of above-mentioned mounting-dismounting programme in market of competition like this at present, will be the resistance of competition.

Again, at present focus on data memory device mostly at the design of exempting from the locked mechanism of screw, but most still the need when the dismounting data memory device removed casing earlier, therefore, the designer there's no one who doesn't or isn't wishes to design and exempts to use the instrument dismounting, and reduce the locked mechanism of mounting-dismounting programme, and then the efficient that lifting is produced and keeped in repair is to promote competitive power.

The utility model content

In view of aforementioned prior art problems, the utility model provides that the user is a kind of to exempt to use instrument, and the locked mechanism of fast demountable casing.

Locked mechanism provided by the utility model mainly comprises: pilot hole, locking board, snap close piece and latch.Wherein, pilot hole is opened on the main body (as, frame) of main frame body; Locking board is to be arranged at corresponding to pilot hole on the casing, and it has a spacing perforation; Snap close piece has the rotation section and prolongs bar, wherein prolongs the end that bar extends autorotation portion, and its end then offers open-work.

The rotation section is greater than the diameter of pilot hole, and the diameter that prolongs bar is then less than the diameter of pilot hole and spacing perforation; Latch then can be set among the open-work, and relatively rotates according to the rotation of this rotation section.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the assembling synoptic diagram of existing side plate;

Fig. 2 is the decomposing schematic representation of the utility model locked mechanism;

Fig. 3 A looks synoptic diagram under the locking of the present utility model;

Fig. 3 B looks synoptic diagram in the locking of the present utility model;

Fig. 4 A looks synoptic diagram under the release of the present utility model;

Fig. 4 B be of the present utility model separate to lock look synoptic diagram;

Fig. 5 A of the present utility model first is provided with synoptic diagram; And

Fig. 5 B of the present utility model second is provided with synoptic diagram.

Wherein, Reference numeral:

Side plate 10

Clamping hole 15

Frame 20

Screw 25

Locking screw 30

Backboard 40

Pilot hole 50

Chute 50a

Locking board 60

Spacing perforation 65

Locking limit 65a

Separate lock seaming 65b

Snap close piece 70

Rotation section 72

Nose 72a

Prolong bar 74

Open-work 76

Latch 80

Embodiment

At first, please be earlier with reference to shown in Figure 2, the decomposing schematic representation of the utility model locked mechanism.The utility model has comprised pilot hole 50, locking board 60, snap close piece 70 and latch 80 as shown in the figure.

Wherein, pilot hole 50 can optionally be provided with one according to the different demands on using on the main body (not shown), or more than one, its outer rim is provided with chute 50a, and the outside of chute then is provided with the sign of snap close position 501 (lock) and unlocked position 502 (unlock) in addition; And main body refers to the frame of electronic installation or comprise the frame of pronotum (plaque).

Offer spacing perforation 65 in the locking board 60, spacing perforation 65 has two not isometric opposite side (locking limit 65a with separate lock seaming 65b), and the length of its locking limit 65a is slightly less than the length of latch 80; The length of separating lock seaming 65b then need be greater than the length of latch 80.

Locking board 60 can utilize modes such as integrally formed, punching press, welding, rivet clasp to be formed on the casing corresponding to pilot hole 50.And above-mentioned casing may be meant single side plate, comprises loam cake, lower cover and biside plate under general situation, loam cake and single side plate or lower cover and single side plate.

Snap close piece 70 comprises rotation section 72 and prolongs bar 74, wherein prolong bar 74 and extend an end of autorotation portion 72, and its end offers open-work 76.Latch 80 can be set among the open-work 76 that prolongs bar 74, can relatively rotate according to the rotation of rotation section 72 when it is arranged in open-work 76.

Wherein, the size of rotation section 72 is greater than the diameter of pilot hole 50, but and its have an indicating lock button bit put 501 with the nose 72a of unlocked position 502, this nose 72a can slippage in chute; The diameter that prolongs bar 74 is then less than the diameter of pilot hole 50 with spacing perforation 65, and its length is minimum should to remain on it when wearing pilot hole 50 with spacing perforation 65, and its terminal open-work 76 can make latch 80 can be set among the open-work 76.

Comprehensive above-listed described, when prolonging bar 74 and wore among pilot hole 50 and the spacing perforation 65, rotation section 72 can be subjected to block outside pilot hole 50 because of its size, and the rotation that latch 80 just can be relative when 72 rotations of rotation section.

In addition, prolong bar 74 and also can extend a cylindrical shell (not shown) near an end of locking board 60, and worn to locking board 60 by guiding by pilot hole 50.The material of snap close piece 70, locking board 60 and latch 80 is not limited especially in addition, can be selected from any natural gum with suitable flintiness or metal material just can continue to please refer to look under the locking shown in Fig. 3 A and Fig. 3 B in synoptic diagram and the locking and look synoptic diagram, and look synoptic diagram under the release shown in Fig. 4 A and Fig. 4 B and look synoptic diagram with separating to lock, describe in detail how to reach and casing is locked or the mode of release by the utility model.

Please consult shown in Fig. 3 A and Fig. 3 B mode that casing is locked earlier.As shown in the figure, when rotation section 72 turns to the snap close position 501 that pilot hole 50 outer rims are indicated, but the position (the locking limit of spacing perforation 65) of 80 relative rotation clamping locking boards 60 of latch causes casing also to be subjected to alignment restrictions in the lump and locks.

See also the mode that is not locked shown in Fig. 4 A and Fig. 4 B again.As shown in the figure, when rotation section 72 turns to

unlocked position

502,80 of latches can be relative turn to one can not clamping locking board 60 position (spacing perforation 65 separate lock seaming), and make casing no longer be subjected to alignment restrictions and can remove locking.

From the above, after casing and snap device that main body provides make both temporary transient lockings, can utilize locked mechanism of the present utility model to make it keep locking.

Other sees also Fig. 5 A and Fig. 5 B, the synoptic diagram that is provided with of the present utility model.What wherein Fig. 5 A was shown is to utilize locked mechanism of the present utility model to make first of left and right sides plate locking that synoptic diagram is set; Fig. 5 B then is provided with synoptic diagram for second after utilizing locked mechanism of the present utility model with the side plate locking.

At first please consult Fig. 5 A earlier, as shown in the figure when pilot hole 50 is arranged on the pronotum, the user can directly wear pilot hole 50 with snap close piece 70, latch 80 is worn, and then the snap close piece 70 that will have a latch 80 wear locking board 60 side plate (casing) that locks again.

See also Fig. 5 B again,, therefore when needing to carry out the dismounting operation of casing, will all can carry out very convenient in the casing front end as shown in the figure because of pilot hole 50 can be arranged on the pronotum.But in the application of reality, not limited can only being opened on the pronotum in position that pilot hole 50 is provided with is as long as just be opened on the main body and the setting corresponding with locking board can.

As mentioned above, the utility model not only provides exempts from dismantling device, and is not limited to the locked mechanism that backboard could be carried out the dismounting operation, makes the dismounting operation convenient more; And can be by exempting to avoid the dismounting operation to cause the situation of main frame short circuit with screw.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1, a kind of locked mechanism is locked on the body by this mechanism's one casing, it is characterized in that this locked mechanism comprises:

One pilot hole is opened on this main body;

One locking board is arranged on this casing corresponding to this pilot hole, and it has a spacing perforation;

One snap close piece has a rotation section and and prolongs bar, and this prolongs the end of bar extension from this rotation section, and its end offers an open-work, and this rotation section is greater than the diameter of this pilot hole, and this diameter that prolongs bar is then less than the diameter of this pilot hole with this spacing perforation; And

One latch is set among this open-work, and rotates with this rotation section;

Wherein, on this main body adjacent this pilot hole place also be provided with the snap close position of this rotation section and this rotation section unlocked position this prolong bar pivot and pass this pilot hole and this spacing perforation, this rotation section, prolong bar and latch can rotate between this snap close position and this unlocked position.

2, locked mechanism according to claim 1 is characterized in that, this main body is a frame.

3, locked mechanism according to claim 1 and 2 is characterized in that, this main body comprises this frame and a front panel.

4, locked mechanism according to claim 1 is characterized in that, this pilot hole is opened on this front panel.

5, locked mechanism according to claim 1 is characterized in that, an end of this pilot hole also can extend a cylindrical shell to this locking board, and this prolongs bar and wears this pilot hole and this spacing perforation at this cylindrical shell maincenter.

6, locked mechanism according to claim 1 is characterized in that, that this locking board adopts is integrally formed, punching press, welding or rivet clasp mode are connected in this casing.

7, locked mechanism according to claim 1 is characterized in that, is provided with the marked area of this snap close position and this unlocked position at the outer rim two ends of this pilot hole.

8, locked mechanism according to claim 1 is characterized in that, this casing is a side plate.