CN201053254Y

CN201053254Y - Number lock for drawer

Info

Publication number: CN201053254Y
Application number: CNU2007201483832U
Authority: CN
Inventors: 杨耀坤
Original assignee: Shopin Lock Co Ltd
Current assignee: Shopin Lock Co Ltd
Priority date: 2007-05-31
Filing date: 2007-05-31
Publication date: 2008-04-30
Anticipated expiration: 2017-05-31

Abstract

The utility model provides a combination drawer lock which comprises a lock case, a rotating member, a washer and a combination lock group; wherein, the lock case is arranged in a drawer and provided with a fastening slot; the rotating member is provided with a chamber and a locking lever, wherein, the locking lever passes through the lock case, so that the rotating member can rotate relative to the lock case; the washer is arranged on the lock lever and can deflect relative to the lock case along with the rotation of the rotating member; the combination lock group is arranged in the chamber and provided with a movable grid plate which can deflect between an unlocking position and a locking position, when the movable grid plate is arranged at the unlocking position, the movable grid plate is separated from the fastening slot, and the rotating member can rotate relative to the lock case; when the movable grid plate is arranged at the locking position, the movable grid plate is fastened in the fastening slot, and the rotating member can not rotate relative to the lock case.

Description

Number formula drawer-lock

Technical field

The utility model relates to lockset, particularly relevant for a kind of number formula drawer-lock.

Background technology

See also a kind of catch lock 90 shown in Figure 6, this catch lock 90 consists predominantly of a lock housing 92 and a tumbler 94, this lock housing 92 is to be fixed on a device as safety cabinet or drawer etc., this tumbler 94 is to be located at this lock housing 92, and this lock housing 92 original places rotation relatively, these tumbler 94 inside are equiped with a combination lock group 96 and a press device 98, and wherein this press device 98 has a catch 982, but this catch 982 is that clip is in a clamping groove 922 of this lock housing 92; When the user dials to correct number with this combination lock group 96, can utilize hand to push this press device 98, make this catch 982 break away from this clamping groove 922, by this, promptly rotatable this tumbler 94 of user makes this catch lock 90 be unlocked conditions.

Yet, when opening this catch lock 90, except pushing this catch 982, this catch 982 is broken away from outside this clamping groove 922, also this tumbler 94 to be rotated simultaneously, this catch lock 90 could be opened, the user, this kind mode of unblanking too bothers, and the profile of this tumbler 94 is too level and smooth, and also inconvenient operator directly pulls and supports this tumbler 94 and opens drawer, therefore, this catch lock 90 causes user's inconvenience in the use easily.

The utility model content

Main purpose of the present utility model is to provide a kind of number formula drawer-lock, and its mode of unblanking is comparatively simple, can increase the convenience in the use.

Another purpose of the present utility model is to provide a kind of number formula drawer-lock, and the location when its lock body rotates is quite clear and definite, and can prevent the undesired stressed rotation of locking closure.

A purpose more of the present utility model is to provide a kind of number formula drawer-lock, and the design of its locking closure can be moved by handled easily person pull drawer.

For reaching above-mentioned purpose, number formula drawer-lock provided by the utility model includes a lock housing, a tumbler, a catch, and a combination lock group.This lock housing is to be located at a drawer, and it has a clamping groove; This tumbler has a room and a locking bar, and wherein this locking bar is to be arranged in this lock housing, makes this lock housing original place rotation relatively of this tumbler; This catch is a locking bar of being located at this tumbler, and can be subjected to this tumbler rotation and relatively this lock housing rotate; This combination lock group is to be located in the room of this lock housing, it has a movable screen, this activity screen be can be between a lockset position of coupler and a locked position of coupler beat, when this activity screen is positioned at this lockset position of coupler, this activity screen is to break away from this clamping groove, makes this lock housing rotation relatively of this tumbler, and when this activity screen is positioned at this locked position of coupler, this activity screen be clip in this clamping groove, make this tumbler can't be relatively this lock housing rotation.

The beneficial effects of the utility model are that the mode of unblanking of the number formula drawer-lock that is provided is comparatively simple, can reach the purpose that increases ease of use.

Now cooperate the graphic following preferred embodiment of enumerating, in order to structure of the present utility model and effect are elaborated; Wherein used graphic brief description earlier is as follows:

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model first preferred embodiment.

Fig. 2 is the assembled sectional view of the utility model first preferred embodiment, mainly is the state that the show events screen breaks away from clamping groove.

Fig. 3 is the assembled sectional view of the utility model first preferred embodiment, mainly is that show events screen clip is in the state of clamping groove.

Fig. 4 is the elevation of the utility model first preferred embodiment, mainly is the state that shows that tumbler does not rotate as yet.

Fig. 5 is the elevation of the utility model first preferred embodiment, mainly is the state that shows after tumbler rotates.

Fig. 6 is the three-dimensional exploded view of existing catch lock.

[primary clustering symbol description]

Drawer-lock 10 drawers 12 desks 14

Lock housing 20 base portions 22 clamping grooves 221

Groove 222 axial regions 24 limiting sections 242

Perforation 26 keepers 28 tumblers 30

Locking closure 32 ears 321 rooms 322

Circular hole 323 is worn groove 324 springs 325

34 cappings 342 of steel ball 326 cores

346 perforation 348 of locking bar 344 embedding portions

40 perforation 42 of fixture 36 catch

Combination lock group 50 digit wheels 52 movable screens 54

Pad 60 perforation 62 stopper slots 64

Dead bolt 70

Drawer-lock 80 tumblers 81 locking closures 82

Switch portion 822 raised lines 83 rags 84

The specific embodiment

At first see also Fig. 1, the number formula drawer-lock 10 that the utility model preferred embodiment is provided includes a lock housing 20, a tumbler 30, a catch 40, a combination lock group 50, a pad 60, and a dead bolt 70.

This lock housing 20 has a base portion 22, an axial region 24, and the perforation 26 of this base portion 22 of a perforation and this axial region 24.The apical margin of this base portion 22 has a clamping groove 221, and its lateral border then equidistantly reaches equal angles and is provided with four circular grooves 222; This axial region 24 is to be extended by these base portion 22 1 sides, and be arranged in a drawer 12 (shown in Fig. 2 imaginary line), the and arranged on left and right sides of this axial region 24 is carved with screw thread respectively, by being locked on this axial region 24 by positioning piece 28 (nut as shown in the figure), make this lock housing 20 be fixed in this drawer 12, in addition, these axial region 24 1 ends have a limiting section 242, this limiting section 242 is generally curved, and is positioned at the right side of this axial region 24.

This tumbler 30 has a locking closure 32 and a core 34.Each extension outward of two sides of this locking closure 32 is provided with an ear 321, its inside then has a room 322, and the one side offer most be connected with this room 322 wear groove 324, and offering a circular hole 323 again in these room 322 belows, 323 of this circular holes are to be installed with for a spring 325 and a steel ball 326; This core 34 has a capping 342 and a locking bar 344, wherein this capping 342 is to utilize two fixtures 36 (screw lock as shown in the figure) to be located at this locking closure 32, make this room 322 be the state of sealing, and its appropriate position, below more offers a perforation 348, just the steel ball 326 for this locking closure 32 wears, and makes this steel ball 326 be resisted against the circular groove 222 (as shown in Figure 2) of this lock housing 20; And this locking bar 344 is to be extended by this capping 342, and passes the perforation 26 of this lock housing 20, and the end that this locking bar 344 passes this perforation 26 has the embedding portion 346 that without exception is square; By by rotating this locking closure 32, can drive this core 34 relative these lock housing 20 original places rotations synchronously.

The bottom of this catch 40 has a perforation 42, and the shape of this perforation 42 is to match with embedding portion 346 shapes of this locking bar 344, makes this catch 40 can be embedded at the embedding portion 346 of this locking bar 344, and can the deflection along with the rotation of this tumbler 30

Please cooperate again and consult Fig. 2 and Fig. 3, this combination lock group 50 is to be installed in the room 322 of this tumbler 30, and it has most digit wheels 52 and a movable screen 54.Respectively this digit wheel 52 be arranged in this locking closure 32 respectively this wears groove 324, make outside these digit wheels 52 are revealed in, stir to make things convenient for the user; This activity screen 54 is to be located at these digit wheels 52, and can be subjected to these digit wheels 52 driving and between a lockset position of coupler and a locked position of coupler beat; When this activity screen 54 is positioned at this lockset position of coupler, this activity screen 54 is the clamping grooves 221 that break away from this lock housing 20, make these lock housing 20 rotations relatively of this tumbler 30, and when this activity screen 54 is positioned at this locked position of coupler, this activity screen 54 be clip in this clamping groove 221, this tumbler 30 can't be relatively these lock housing 20 rotations.

This pad 60 has a perforation 62, and the shape of this perforation 62 is to match with embedding portion 346 shapes of this locking bar 344, makes this pad 60 can be embedded at the embedding portion 346 of this locking bar 344, and between the axial region 24 of this catch 40 and this lock housing 20; This pad 60 has a curved stopper slot 64, the limiting section 242 of this axial region 24 is can be placed in this stopper slot 64, and the arc length of this stopper slot 64 is slightly larger than the arc length of this limiting section 242, make this tumbler 30 be restricted to rotation in the predetermined angular, in the present embodiment, this tumbler 30 is to rotate between 90 degree in 0 degree.

This dead bolt 70 is to pass the perforation 42 of this catch 40 and the perforation 62 of this pad 60 in regular turn, and is locked on the locking bar 344 of this core 34, in order to this catch 40 and this pad 60 are locked together with this tumbler 30.

Via said structure, when user's desire is used number formula drawer-lock 10 provided by the utility model, when if the number of this combination lock group 50 is incorrect, this activity screen 54 will clip in this clamping groove 221, as shown in Figure 3, this tumbler 30 will rotate and be positioned at the position of 0 degree, as shown in Figure 4, at this moment, 40 of this catch can block in a member such as desk 14, this drawer 12 can't be come out by outside pull; When the user dials to correct number with this combination lock group 50, this activity screen 54 will break away from this clamping groove 221, as shown in Figure 2, at this moment, the user can turn to this tumbler 30 position of 90 degree, and as shown in Figure 5, this catch 40 will pass through the deflection by the rotation of this tumbler 30, thus, the user can come out these drawer 12 outside pulls.

By by said structure, the utility model will have following characteristics compared to existing drawer-lock:

1. number formula drawer-lock 10 provided by the utility model only must dial to correct number with this combination lock group 50, rotates this tumbler 30 again, can open this number formula drawer-lock 10, and its mode of unblanking is quite simple, can reach the purpose that increases ease of use.

2. the utility model can come by the ear 321 by these tumbler 30 locking closures 32 to pull and support for user's hand, can pull out drawer 12 rapidly when drawer-lock 10 is opening.

3. the utility model more can be resisted against the design of these lock housing 20 grooves 222 by the steel ball 326 by this locking closure 32, makes when this locking closure 32 rotates with respect to lock housing 20, can obtain a clear and definite locating effect.

Claims

1. a number formula drawer-lock is to be located at a drawer, it is characterized in that including:

One lock housing is to be located at this drawer, and this lock housing has a clamping groove;

One tumbler has a room and a locking bar, and wherein this locking bar is to be arranged in this lock housing, makes this lock housing original place rotation relatively of this tumbler;

One catch is a locking bar of being located at this tumbler, and is subjected to the rotation of this tumbler and this lock housing deflection relatively; And

One combination lock group, be to be located at this room, and has a movable screen, this activity screen be can be between a lockset position of coupler and a locked position of coupler beat, when this activity screen was positioned at this lockset position of coupler, this activity screen was to break away from this clamping groove, make this lock housing rotation relatively of this tumbler, and when this activity screen is positioned at this locked position of coupler, this activity screen be clip in this clamping groove, make this tumbler can't be relatively this lock housing rotation.

2. according to the described number formula of claim 1 drawer-lock, it is characterized in that: tumbler has a locking closure and a core, and this locking closure has this room, and this core has a capping, this capping is to utilize two fixtures to be locked on this locking closure, makes this room be the state of sealing.

3. according to the described number formula of claim 2 drawer-lock, it is characterized in that: this locking bar is to be extended by capping one side of this core.

4. according to the described number formula of claim 2 drawer-lock, it is characterized in that: this combination lock group has most digit wheels, this locking closure have most be communicated with this room wear groove, respectively this digit wheel is to be arranged in that respectively this wears groove, makes outside these digit wheels are revealed in.

5. according to the described number formula of claim 1 drawer-lock, it is characterized in that: this locking bar one end has an embedding portion, and this catch has a perforation that matches with this embedding portion, makes this catch can be embedded at this embedding portion.

6. according to the described number formula of claim 1 drawer-lock, it is characterized in that: this lock housing has an axial region, and this axial region is to pass this drawer, and utilizes positioning piece to be locked on this axial region, makes this lock housing be fixed in this drawer.

7. according to the described number formula of claim 6 drawer-lock, it is characterized in that: also include a pad, this pad is to be located at this locking bar, and it has a stopper slot; And the axial region of this lock housing has a limiting section, and this limiting section is to be sticked in this stopper slot, rotates in a predetermined angular in order to limit this locking bar.

8. according to the described number formula of claim 7 drawer-lock, it is characterized in that: also include a dead bolt, this dead bolt is to pass this catch and this pad in regular turn and be locked on this locking bar.

9. according to the described number formula of claim 2 drawer-lock, it is characterized in that: the lateral margin of this lock housing is provided with two at least and is the circular groove that 90 degree are provided with; The room below of this locking closure then offers a circular hole and is installed with for a spring and a steel ball, and this steel ball then is a circular groove that is resisted against this lock housing.

10. according to the described number formula of claim 2 drawer-lock, it is characterized in that: each extension outward of locking closure two sides of this tumbler is provided with an ear.