CN104975767A

CN104975767A - Button door lock

Info

Publication number: CN104975767A
Application number: CN201510420242.0A
Authority: CN
Inventors: 华安
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-07-17
Filing date: 2015-07-17
Publication date: 2015-10-14

Abstract

The invention discloses a button door lock which comprises a base plate, a lock shell, a lock plate and a lock cylinder. The base plate and the lock shell are connected through a bolt. The button door lock is characterized in that the lock plate and the lock cylinder are arranged between the base plate and the lock shell; the lock plate is composed of a lock sleeve and a spring bolt; the lock cylinder is composed of a button head, an engaged section, a positioning piece and a spring column; the engaged section of the lock cylinder is sleeved with the lock sleeve of the lock plate; the lock cylinder is placed in a column cavity of the lock shell; the spring column of the lock cylinder is sleeved with a lock cylinder spring; the end of the spring column is installed in a positioning hole in the base plate; the portion, between the bottom end of the lock sleeve and the base plate, of the lock cylinder is sleeved with a lock sleeve spring; the spring bolt is limited by a positioning pin and a limiting pin on the lock shell. The button door lock is simple in structure, good in safety performance and particularly suitable for being used in places such as a toilet, a tool case, an electric equipment box and a supermarket closet, is specially used for on-the-job personnel, and can be legally opened only through a special key.

Description

Button door lock

Technical field

The present invention relates to lockset, especially a kind of button door lock.

Background technology

The safe-guard door lock that public place uses, as washroom, tool box, electric component box, supermarket are deposited between clothing, staff uses private key legally to open.In prior art, these safe-guard door locks fix as one due to lock tube, jam plate and lock core, and when the button head on lock core rotates, lock tube and jam plate link, when illegal operation personnel clamp the rotation of button head with nipper plier, lock tube, jam plate rotate with button head, and can open lock easily, security performance is poor.

Summary of the invention

Object of the present invention is just to provide the button door lock that a kind of structure is simple, security performance is good.

Button door lock of the present invention, comprise base plate, lock housing, jam plate, lock core, base plate and lock housing are bolted, it is characterized in that, jam plate, lock core are arranged between base plate and lock housing, jam plate is made up of lock tube and dead bolt two parts, lock core is made up of button head, engaged section, spacer, spring stack, the engaged section of lock core is enclosed within the lock tube of jam plate, lock tube inner-cavity structure is identical with the engaged section of lock core, lock core is placed in the post chamber of lock housing, and on the spring stack of lock core, cover has lock core spring, and spring stack end is contained in the locating hole of base plate; Lock core between lock tube bottom and base plate overlaps and has lock tube spring, dead bolt is spacing by the alignment pin in lock housing, spacer pin.

Button door lock of the present invention, lock core can move up and down along lock housing post chamber center line, and press rotation when nipper plier is clamped button head by illegal operation personnel, lock tube and dead bolt do not rotate thereupon, and dead bolt still locates locking state, thus prevent the illegal enabling of bad personnel; Only have staff private key to be inserted button head and press lock tube, make it exceed limited post and place restrictions on position, button head just drives lock tube, dead bolt rotating opening door.

Button door latch structure of the present invention is simple, security performance good, is particularly suitable for washroom, tool box, electric component box, supermarket are deposited between clothing etc. locally uses, belong to employed personnel's special lockset, need private key legally to open.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is locking plate structure schematic diagram in Fig. 1;

Fig. 3 is lock core structure schematic diagram in Fig. 1.

Detailed description of the invention

A kind of button door lock, comprise base plate 1, lock housing 2, jam plate 3, lock core 5, base plate 1 and lock housing 2 are bolted, it is characterized in that, jam plate 3, lock core 5 is arranged between base plate 1 and lock housing 2, jam plate 3 is made up of lock tube 32 and dead bolt 31 two parts, lock core 5 is by button head 51, engaged section 52, spacer 54, spring stack 53 forms, the engaged section 52 of lock core 5 is enclosed within the lock tube 32 of jam plate 3, lock tube 32 inner-cavity structure is identical with the engaged section 52 of lock core 5, engaged section 52 is prism or ellipse, lock core 5 is placed in the post chamber 4 of lock housing 2, on the spring stack 53 of lock core 5, cover has lock core spring 8, spring stack 53 end is contained in the locating hole of base plate 1, lock core 5 between lock tube 32 bottom and base plate 1 overlaps and has lock tube spring 7, dead bolt 31 is spacing by the alignment pin 6 in lock housing 2, spacer pin 9.

Claims

1. a button door lock, comprise base plate (1), lock housing (2), jam plate (3), lock core (5), base plate (1) and lock housing (2) are bolted, it is characterized in that: jam plate (3), lock core (5) is arranged between base plate (1) and lock housing (2), jam plate (3) is made up of lock tube (32) and dead bolt (31) two parts, lock core (5) is by button head (51), engaged section (52), spacer (54), spring stack (53) forms, the engaged section (52) of lock core (5) is enclosed within the lock tube (32) of jam plate (3), lock tube (32) inner-cavity structure is identical with the engaged section (52) of lock core (5), lock core (5) is placed in the post chamber (4) of lock housing (2), the upper cover of spring stack (53) of lock core (5) has lock core spring (8), spring stack (53) end is contained in the locating hole of base plate (1), the upper cover of lock core (5) between lock tube (32) bottom and base plate (1) has lock tube spring (7), and dead bolt (31) is spacing by the alignment pin (6) in lock housing (2), spacer pin (9).

2. button door lock according to claim 1, is characterized in that: the engaged section (52) of described lock core (5) is prism or ellipse.