CN203239088U - Anti-theft door lock - Google Patents

Abstract

The utility model provides an anti-theft door lock, and belongs to the technical field of door locks. The anti-theft door lock solves the problem that an existing door lock can not be conveniently used by the aged. The anti-theft door lock comprises a fixed plate, a decoration face plate is arranged on one side of the fixed plate, a left outer shell and a right outer shell are arranged on the other side of the fixed plate, a first through hole is formed in the left outer shell, a second through hole is formed in the right outer shell, an anti-theft boss is integrally arranged on the decoration face plate, a spring bolt, an inclined spring bolt and a twisting plate are arranged between the left outer shell and the right outer shell, the spring bolt, the inclined spring bolt and the twisting plate are arranged together through connecting pins, a second open groove is formed in the spring bolt, a third open groove is formed in the inclined spring bolt, one end, extending to the outside world, of the inclined spring bolt is connected to the anti-theft boss in a buckled mode, one end of the twisting plate is inserted into the second open groove and the third open groove, the other end of the twisting plate is connected with a rotating assembly through positioning pins, and the rotating angle of the rotating assembly ranges from 0 degree to 25 degrees. The anti-theft door lock has the advantages of being simple in structure and capable of being conveniently used by the aged.

Description

A kind of safe-guard door lock

Technical field

The utility model belongs to the door lock technical field, relates to a kind of safe-guard door lock.

Background technology

In the daily life, the safe-guard door lock operated by rotary motion has dead bolt and antitheft fixture block, safe-guard door lock is installed on the body, under original state, handle is installed on the safe-guard door lock, offers respectively dead bolt mounting groove and antitheft mounting groove that dead bolt and antitheft fixture block are installed on the doorframe, dead bolt stretches in the dead bolt mounting groove of doorframe, antitheft fixture block stretches in the antitheft mounting groove, and this moment, the door body was in locking state.If the user will beat opening door body, need first rotating handles so that handle turns over certain angle, thereby handle drives the safe-guard door lock internal construction and inwardly spurs dead bolt and antitheft fixture block, and dead bolt and antitheft fixture block leave dead bolt mounting groove and antitheft mounting groove, and this moment, the door body just can be opened.But, theft-proof door lock structure more complicated in the prior art, and the angle that the safe-guard door lock control handle turns over is generally 0 ° to 90 °, handle generally need to turn over 90 ° can drive the dead bolt mounting groove that dead bolt leaves doorframe fully, the door body can be opened, such structure design, elderly population uses very inconvenient, brings unnecessary trouble to life.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of simple in structure and safe-guard door lock of making things convenient for the elderly to use.

The purpose of this utility model can realize by following technical proposal: a kind of safe-guard door lock, comprise fixed head, described fixed head one side is equipped with decoration panel, opposite side is equipped with left outside shell and right casing, described left outside shell and right casing are screwed and are installed together, offer through hole one on the left outside shell, offer the through hole two that matches with through hole one on the right casing, offer through hole three on the fixed head, offer the through hole four that matches with through hole three on the decoration panel, it is characterized in that, be wholely set an antitheft boss on the decoration panel, be provided with dead bolt between left outside shell and the right casing, oblique dead bolt and twisting plate, dead bolt, tiltedly be installed together by connecting pin between dead bolt and the twisting plate, offer open slot one and open slot two on the dead bolt, tiltedly dead bolt is positioned at open slot one, tiltedly offer open slot three on the dead bolt, dead bolt and oblique dead bolt all pass through hole three and through hole four and stretch out outside the decoration panel, oblique dead bolt stretches out an extraneous end and snaps onto on the antitheft boss, twisting plate one end inserts in open slot two and the open slot three, the other end is connected with rotary components by alignment pin, between dead bolt and the twisting plate reset assembly is installed also, rotary components is installed between through hole one and the through hole two and links together with the handle in the external world, and the angular range of rotary components rotation is 0 ° to 25 °.

This safe-guard door lock is under original state, safe-guard door lock is installed on the body, handle is installed on the safe-guard door lock, handle and rotary components link together, offer the installation dead bolt on the doorframe, the mounting groove of oblique dead bolt and antitheft boss, dead bolt, tiltedly dead bolt and antitheft boss stretch in the mounting groove of doorframe, this moment, the door body was in locking state, if the user will beat opening door body, need first rotating handles so that handle turns over certain angle, thereby handle drives the motion of rotary components rotation pulling twisting plate, the moving dead bolt of twisting strip and oblique dead bolt move inward, the end that oblique dead bolt stretches out the external world leaves antitheft boss and returns in left outside shell and the right casing, at last, dead bolt and oblique dead bolt leave mounting groove, this moment, the door body just can be opened, after unclamping handle, because the effect of reset assembly, the twisting plate produces an outside thrust to dead bolt, and the twisting plate outwards promotes dead bolt by reset assembly and oblique dead bolt is reset to initial position, in addition, the angular range of design rotary components rotation is 0 ° to 25 °, simple in structure, the user only need to rotate very little angle just can beat opening door body, makes things convenient for especially elderly population to use.

In above-mentioned a kind of safe-guard door lock, described rotary components comprises symmetrically arranged left-hand rotation dish and right-hand rotation dish, all offer three pin shaft holes on left-hand rotation dish and the right-hand rotation dish, be fixedly installed togather by three alignment pins between left-hand rotation dish and the right-hand rotation dish, one of them alignment pin near above-mentioned twisting plate passes the twisting plate and will twist plate and is fixedly mounted between left-hand rotation dish and the right-hand rotation dish.To twist plate and be fixedly mounted between left-hand rotation dish and the right-hand rotation dish by alignment pin, compact conformation, rationally distributed, thus the handle in the external world drives the left-hand rotation dish and the pulling of right-hand rotation disc spins twists the plate motion, and the moving dead bolt of twisting strip and oblique dead bolt move inward.

In above-mentioned a kind of safe-guard door lock, described reset assembly comprises spring, hoodle and is arranged on the interior rivet pin of spring, offer spring groove in the above-mentioned dead bolt, spring fitting is in spring groove, hoodle is resisted against on the above-mentioned twisting plate, and rivet pin is resisted against on the hoodle away from an end of spring groove.After unclamping handle, because the effect of spring and hoodle, the twisting plate produces an outside thrust by spring to dead bolt, the twisting plate outwards promotes dead bolt by reset assembly and oblique dead bolt is reset to initial position, in addition, in spring, be provided with a rivet pin, can effectively reduce the up and down play that spring produces in the course of work, reduce equipment loss, increase application life.

Compared with prior art, safe-guard door lock is installed on the body in the utility model, handle is installed on the safe-guard door lock, handle and rotary components link together, offer the installation dead bolt on the doorframe, the mounting groove of oblique dead bolt and antitheft boss, dead bolt, tiltedly dead bolt and antitheft boss stretch in the mounting groove of doorframe, this moment, the door body was in locking state, if the user will beat opening door body, need first rotating handles so that handle turns over certain angle, thereby handle drives the motion of rotary components rotation pulling twisting plate, the moving dead bolt of twisting strip and oblique dead bolt move inward, the end that oblique dead bolt stretches out the external world leaves antitheft boss and returns in left outside shell and the right casing, at last, dead bolt and oblique dead bolt leave mounting groove, this moment, the door body just can be opened, after unclamping handle, because the effect of reset assembly, the twisting plate produces an outside thrust to dead bolt, and the twisting plate outwards promotes dead bolt by reset assembly and oblique dead bolt is reset to initial position, in addition, the angular range of design rotary components rotation is 0 ° to 25 °, simple in structure, the user only need to rotate very little angle just can beat opening door body, makes things convenient for especially elderly population to use.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is explosive view of the present utility model.

Among the figure, 1, fixed head; 2, decoration panel; 3, left outside shell; 4, right casing; 5, screw; 6, through hole one; 7, through hole two; 8, through hole three; 9, through hole four; 10, antitheft boss; 11, dead bolt; 12, oblique dead bolt; 13, twisting plate; 14, rotary components; 15, connecting pin; 16, open slot one; 17, open slot two; 18, open slot three; 19, alignment pin; 20, reset assembly; 21, left-hand rotation dish; 22, right-hand rotation dish; 23, pin shaft hole; 24, spring; 25, hoodle; 26, rivet pin; 27, spring groove.

The specific embodiment

Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As depicted in figs. 1 and 2, this safe-guard door lock comprises fixed head 1, fixed head 1 one sides are equipped with decoration panel 2, opposite side is equipped with left outside shell 3 and right casing 4, left outside shell 3 and right casing 4 are fixedly installed togather by screw 5, offer through hole 1 on the left outside shell 3, offer the through hole 27 that matches with through hole 1 on the right casing 4, offer through hole 38 on the fixed head 1, offer the through hole 49 that matches with through hole 38 on the decoration panel 2, be wholely set an antitheft boss 10 on the decoration panel 2, be provided with dead bolt 11 between left outside shell 3 and the right casing 4, oblique dead bolt 12 and twisting plate 13, dead bolt 11, tiltedly be installed together by connecting pin 15 between dead bolt 12 and the twisting plate 13, offer open slot 1 and open slot 2 17 on the dead bolt 11, tiltedly dead bolt 12 is positioned at open slot 1, tiltedly offer open slot 3 18 on the dead bolt 12, dead bolt 11 and oblique dead bolt 12 all pass through hole 38 and through hole 49 and stretch out outside the decoration panel 2, oblique dead bolt 12 stretches out an extraneous end and snaps onto on the antitheft boss 10, twisting plate 13 1 ends insert in open slot 2 17 and the open slot 3 18, the other end is connected with rotary components 14 by alignment pin 19, between dead bolt 11 and the twisting plate 13 reset assembly 20 is installed also, rotary components 14 is installed between through hole 1 and the through hole 27 and links together with the handle in the external world, and the angular range of rotary components 14 rotations is 0 ° to 25 °.

Rotary components 14 comprises symmetrically arranged left-hand rotation dish 21 and right-hand rotation dish 22, all offer three pin shaft holes 23 on left-hand rotation dish 21 and the right-hand rotation dish 22, be fixedly installed togather by three alignment pins 19 between left-hand rotation dish 21 and the right-hand rotation dish 22, one of them alignment pin 19 near above-mentioned twisting plate 13 passes twisting plate 13 and will twist plate 13 and is fixedly mounted between left-hand rotation dish 21 and the right-hand rotation dish 22.To twist plate 13 is fixedly mounted between left-hand rotation dish 21 and the right-hand rotation dish 22 by alignment pin 19, compact conformation, rationally distributed, thus the handle in the external world drives left-hand rotation dish 21 and the 22 rotation pullings of right-hand rotation dish twist plates 13 motions, and twisting plate 13 drives dead bolt 11 and oblique dead bolt 12 moves inward.

Reset assembly 20 comprises spring 24, hoodle 25 and is arranged on rivet pin 26 in the spring 24, offer spring groove 27 in the dead bolt 11, spring 24 is installed in the spring groove 27, and hoodle 25 is resisted against on the twisting plate 13, and rivet pin 26 is resisted against on the hoodle 25 away from an end of spring groove 27.After unclamping handle, because the effect of spring 24 and hoodle 25, twisting plate 13 produces an outside thrust by 24 pairs of dead bolts of spring 11, twisting plate 13 outwards promotes dead bolt 11 by reset assembly 20 and oblique dead bolt 12 is reset to initial position, in addition, in spring 24, be provided with a rivet pin 26, can effectively reduce the up and down play that spring 24 produces in the course of work, reduce equipment loss, increase application life.

This safe-guard door lock is under original state, safe-guard door lock is installed on the body, handle is installed on the safe-guard door lock, handle and rotary components 14 link together, offer on the doorframe dead bolt 11 is installed, the mounting groove of oblique dead bolt 12 and antitheft boss 10, dead bolt 11, tiltedly dead bolt 12 and antitheft boss 10 stretch in the mounting groove of doorframe, this moment, the door body was in locking state, if the user will beat opening door body, need first rotating handles so that handle turns over certain angle, thereby handle drives 13 motions of rotary components 14 rotation pulling twisting plates, twisting plate 13 drives dead bolt 11 and oblique dead bolt 12 moves inward, the end that oblique dead bolt 12 stretches out the external world leaves antitheft boss 10 and returns in left outside shell 3 and the right casing 4, at last, dead bolt 11 and oblique dead bolt 12 leave mounting groove, this moment, the door body just can be opened, after unclamping handle, because the effect of reset assembly 20,13 pairs of dead bolts of twisting plate 11 produce an outside thrust, twisting plate 13 outwards promotes dead bolt 11 by reset assembly 20 and oblique dead bolt 12 is reset to initial position, in addition, the angular range of design rotary components 14 rotations is 0 ° to 25 °, simple in structure, the user only need to rotate very little angle just can beat opening door body, makes things convenient for especially elderly population to use.

Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (3)

1. safe-guard door lock, comprise fixed head, described fixed head one side is equipped with decoration panel, opposite side is equipped with left outside shell and right casing, described left outside shell and right casing are screwed and are installed together, offer through hole one on the left outside shell, offer the through hole two that matches with through hole one on the right casing, offer through hole three on the fixed head, offer the through hole four that matches with through hole three on the decoration panel, it is characterized in that, be wholely set an antitheft boss on the decoration panel, be provided with dead bolt between left outside shell and the right casing, oblique dead bolt and twisting plate, dead bolt, tiltedly be installed together by connecting pin between dead bolt and the twisting plate, offer open slot one and open slot two on the dead bolt, tiltedly dead bolt is positioned at open slot one, tiltedly offer open slot three on the dead bolt, dead bolt and oblique dead bolt all pass through hole three and through hole four and stretch out outside the decoration panel, oblique dead bolt stretches out an extraneous end and snaps onto on the antitheft boss, twisting plate one end inserts in open slot two and the open slot three, the other end is connected with rotary components by alignment pin, between dead bolt and the twisting plate reset assembly is installed also, rotary components is installed between through hole one and the through hole two and links together with the handle in the external world, and the angular range of rotary components rotation is 0 ° to 25 °.

2. a kind of safe-guard door lock according to claim 1, it is characterized in that, described rotary components comprises symmetrically arranged left-hand rotation dish and right-hand rotation dish, all offer three pin shaft holes on left-hand rotation dish and the right-hand rotation dish, be fixedly installed togather by three alignment pins between left-hand rotation dish and the right-hand rotation dish, one of them alignment pin near above-mentioned twisting plate passes the twisting plate and will twist plate and is fixedly mounted between left-hand rotation dish and the right-hand rotation dish.

3. a kind of safe-guard door lock according to claim 1 and 2, it is characterized in that, described reset assembly comprises spring, hoodle and is arranged on the interior rivet pin of spring, offer spring groove in the above-mentioned dead bolt, spring fitting is in spring groove, hoodle is resisted against on the above-mentioned twisting plate, and rivet pin is resisted against on the hoodle away from an end of spring groove.

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