CN202249210U

CN202249210U - Door lock

Info

Publication number: CN202249210U
Application number: CN2011203975344U
Authority: CN
Inventors: 林永护
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-30
Filing date: 2011-10-13
Publication date: 2012-05-30
Anticipated expiration: 2021-10-13
Also published as: TWM421968U

Abstract

A door lock, comprising: the device comprises a shell with a through hole, a linkage structure arranged in the shell, a lock bolt connected with the linkage structure, a driving piece arranged in the shell and provided with a control hole corresponding to the through hole, and a sealing structure for sealing the control hole. The control hole is sealed by the sealing cover structure, so that the control hole can not be exposed out of the through hole, even if the knob and the door panel are damaged by external force, the control hole can not be found, and the driving piece can not be operated through the control hole to actuate the linkage structure and the lock plunger, thereby improving the anti-theft function of the door lock.

Description

Door lock

Technical field

The relevant a kind of door lock of this creation refers to a kind of door lock that cooperates with the rotary switch structure work of door leaf especially.

Background technology

The safety in places such as general house, office is very important, so the safer door lock of structure design has been widely used on the door-plate with the breech lock doorframe, and then reaches the effect of preventing the deathwatch.The door lock that activates because of key cracks easily, so present most door lock in design, all can present two kinds of constructions of switch, and a structure for the key activation, another is the structure of knob start, to strengthen anti-deathwatch's effect by dual locking.For example: when the user enters, can open the door, and can lock a door by knob after entering by key, so only by key can't by outside door is opened.

See also Figure 1A to Fig. 1 C, it is the schematic perspective view of existing door lock, below omits the structure that key activates, and the dependency structure of knob start only is described.As shown in the figure, existing door lock 1 is installed in the door-plate 9, and it includes: have accommodation space S housing 10, be located at serial verb construction 11 among this accommodation space S, connect the locking bolt 12 of this serial verb construction 11 and be located at the drivening piece 13 among this accommodation space S.Wherein, This housing 10 also has the cover plate 10a of this accommodation space of capping S and is located at the through hole 100 that this cover plate 10a went up and be communicated with this accommodation space S; And this drivening piece 13 has a cylinder 130, is located at a drive portion 131 and a control hole 132 of being located at the end face of this cylinder 130 of the side of this cylinder 130; This drive portion 131 is in order to driving this serial verb construction 11 and locking bolt 12 starts, and this control hole 132 exposes outside this through hole 100.

During use; Rotate this cylinder 130 by knob 90; Make these drive portion 131 swings (direction of the arrow Y shown in Figure 1B) and drive this serial verb construction 11; Make this serial verb construction 11 drive this locking bolt 12 and make shift reciprocately, and the state that makes this door lock 1 makes the user open the door or to lock a door for unblanking or release.

Can know that the control hole 132 of this drivening piece 13 exposes outside the through hole 100 of this housing 10, shown in Fig. 1 C on the certificate; So after the thief destroys knob 90 or door-plate 9, this control hole 132 also with expose, make the thief can iron bar or hardware be stretched in this control hole 132; With the cylinder 130 of operating this drivening piece 13 door is opened; Cause the anti-deathwatch's of door lock 1 forfeiture effect, the serious consequence that causes the house to be stolen is so existing door lock 1 is denounced by the people on safety in utilization.

Therefore, how to solve the above problems the real problem that needs to be resolved hurrily for present industry.

The utility model content

For overcoming prior art problems, this creation provides a kind of door lock then, i.e. improvement has door latch structure now, promotes anti-deathwatch's function of this door lock.

The door lock that this creation disclosed is used for assembly to the rotary switch structure that is arranged at door leaf, and this door lock comprises: housing, and it has accommodation space and the through hole that is communicated with this accommodation space; Serial verb construction, it is located in the accommodation space of this housing; Locking bolt, it connects this serial verb construction; Drivening piece, it is located in the accommodation space of this housing, and has drive portion and control hole, this drive portion to should serial verb construction driving this serial verb construction and locking bolt start, and this control hole is to should through hole; And closure construction, this control hole of its capping.

Through control hole by closure construction capping drivening piece; Make control hole can't expose outside the through hole of housing; Even, also can't find this control hole, thereby can't operate this drivening piece and this serial verb construction of start and locking bolt via this control hole so knob and door-plate are outside destroy.Therefore, the door lock of this creation can strengthen anti-deathwatch's function, is stolen to avoid the house.

Description of drawings

Figure 1A is the schematic perspective view of existing door lock with door;

Figure 1B is the perspective exploded view of existing door lock;

Fig. 1 C is the schematic perspective view of existing door lock;

Fig. 2 is the perspective exploded view of this creation door lock;

Fig. 3 is the schematic perspective view of this creation door lock; And

Fig. 4 and Fig. 5 are the generalized section of another embodiment of the closure construction of this creation door lock.

The primary clustering symbol description

1,2 door lock

10,20 housings

10a, the 20a cover plate

100,200 through holes

11,21 serial verb constructions

12,22 locking bolts

13,23 drivening pieces

130,230 cylinders

131,231 drive portions

132,232 control holes

210 locking plates

211 nose bars

212 rail grooves

213 elastic components

24,24 ', 24 " closure construction

9 door-plates

90 knobs

The S accommodation space

The Y arrow.

The specific embodiment

Below by the embodiment of this creation of particular specific embodiment explanation, those of ordinary skill in the art can be understood other advantage and the effect of this creation easily by the content that this manual disclosed.

Notice; The appended graphic structure that illustrates of this manual, ratio, size etc.;,, be not to create enforceable qualifications all in order to limit this for those of ordinary skill in the art's understanding and reading only in order to cooperate the content that manual disclosed; So technical essential meaning of tool not; The adjustment of the modification of any structure, the change of proportionate relationship or size is not influencing under effect that this creation can produce and the purpose that can reach, and the technology contents that all should still drop on this creation and disclosed gets in the scope that can contain.Simultaneously, quoted in this manual as " one ", " on ", the D score term, also be merely be convenient to narrate clear; But not create enforceable scope in order to limit this; The change of its relativeness or adjustment under no essence change technology contents, are created enforceable category when also being regarded as this.

See also the 2nd to 3 figure, be the sketch map of the door lock 2 of this creation.These door lock 2 assembly to the rotary switch structure that is arranged at door leaf (figure slightly) (figure slightly); And member in the spring lock is arranged because of of a great variety, and known, so graphic omission and do not enumerate the member of the irrelevant technical characterictic of explanation by industry; The member of correlation technique characteristic below only is described, is stated clearly hereby.This door lock 2 comprises: have an accommodation space S a housing 20, be located at a serial verb construction 21 among this accommodation space S, connect this serial verb construction 21 a locking bolt 22, be located at a drivening piece 23 and a closure construction 24 among this accommodation space S to should drivening piece 23 and establishing.

Described housing 20 also has the cover plate 20a of this accommodation space of capping S and is located at the through hole 200 that this cover plate 20a went up and be communicated with this accommodation space S.Hole on relevant this housing 20 can be provided with on demand, and for example keyhole, screw etc. all belong to industry technology commonly used, so repeat no more.

Described serial verb construction 21 can comprise a plurality of locking plate 210, nose bar 211, rail groove 212 and elastic component 213; But be not limited to this, it can design according to different demands, and promptly different door lock styles have the serial verb construction that difference is made flowing mode; And the technical characterictic of its non-this case, so repeat no more.

Described locking bolt 22 is driven by this serial verb construction 21 and makes shift reciprocately, can close the door or open the door to make this door lock 2.

Described drivening piece 23 has a cylinder 230, be located at the control hole 232 on a drive portion 231 and the upper/lower terminal face of being located at this cylinder 230 of side of this cylinder 230; These drive portion 231 corresponding these serial verb constructions 21 that drive; With this locking bolt 22 of start, and this control hole 232 exposes outside this through hole 200.

In present embodiment, this drivening piece 23 is controlled by the knob on the door (figure slightly), but not key is controlled; And shape that should drive portion 231 can design on demand; Like shaft-like, sheet, strip or bulk, do not have special restriction, this control hole 232 is communicated with the upper/lower terminal face of this cylinder 230 again.In addition, the lateral edges of this cylinder 230 can be against this through hole 200, make this through hole 200 and this cylinder 230 between seamless, as shown in Figure 3.

Described closure construction 24 is located on this control hole 232, clogging this control hole 232, and reaches the purpose of this control hole 232 of capping.

See also Fig. 4 and Fig. 5, it is the closure construction 24 ', 24 of the door lock 2 of this creation " another embodiment.Through with this closure construction 24 ', 24 " be located on this cover plate 20a, and to should through hole 200, to cover this control hole 232, make this control hole 232 not expose this through hole 200, and reach the purpose of this control hole 232 of capping.Again, this closure construction 24 ', 24 " can become one with this housing 20, for example by punching press housing 20, forming a cover shape in former through hole, with as this closure construction 24 ', 24 ".

The

closure construction

24,24 ', 24 of this creation " shape and material do not have special restriction, only need this control hole 232 of capping to get final product.

In addition, the door lock 2 of this creation can be used for one-sided the have door of knob or the door that bilateral has knob, does not have special restriction.

In sum, the door lock 2 of this creation is by closure construction 24,24 '; 24 " this control hole 232 of capping makes this control hole 232 can't expose outside the through hole 200 of this housing 20 even this through hole 200 of capping; so even the thief by outer destruction knob and door-plate after, also can't find this control hole 232, even can't find this through hole 200; just can't operate this drivening piece 23 certainly, thereby effectively promote anti-deathwatch's function of this door lock 2, be stolen to avoid the house.

The foregoing description is only in order to the principle and the effect thereof of this creation of illustrative, but not is used to limit this creation.Any those of ordinary skill in the art all can make amendment to the foregoing description under the spirit and category of this creation.So the rights protection scope of this creation, should be listed like claims.

Claims

1. a door lock is characterized in that, its assembly is to the rotary switch structure that is arranged at door leaf, and this door lock comprises:

Housing, it has accommodation space and the through hole that is communicated with this accommodation space;

Serial verb construction, it is located in the accommodation space of this housing;

Locking bolt, it connects this serial verb construction;

Drivening piece, it is located in the accommodation space of this housing, and has drive portion and control hole, this drive portion to should serial verb construction driving this serial verb construction and locking bolt start, and this control hole is to should through hole; And

Closure construction, this control hole of its capping.

2. door lock according to claim 1 is characterized in that this drivening piece has cylinder, and this drive portion is located at the side of this cylinder, and this control hole is located at the end face of this cylinder.

3. door lock according to claim 2 is characterized in that the end face of this cylinder is positioned at opposite end, and this control hole is located at this both ends of the surface.

4. door lock according to claim 1 is characterized in that, this drive portion is shaft-like, sheet, strip or bulk.

5. door lock according to claim 1 is characterized in that this closure construction is located on this drivening piece.

6. door lock according to claim 1 is characterized in that this closure construction is located on this housing, and to should through hole.

7. door lock according to claim 6 is characterized in that, this closure construction and this housing become one.