CN105464471A

CN105464471A - Mute door lock

Info

Publication number: CN105464471A
Application number: CN201510968760.6A
Authority: CN
Inventors: 胡洪芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-22
Filing date: 2015-12-22
Publication date: 2016-04-06
Anticipated expiration: 2035-12-22
Also published as: CN105464471B

Abstract

The invention discloses a mute door lock. The mute door lock comprises a lock rack, a lock tongue bar connected with a lock tongue and a lock head linkage part which is in linkage with the lock tongue bar. A lock pull rope connected with the lock rack is disposed on the lock tongue bar and/or the lock head linkage part. According to the mute door lock, through reasonable structural improvement, especially the pull rope design, impact does not directly occur when the lock tongue returns or other parts are reset, and noise generated during locking and unlocking of the door lock is greatly lowered; besides, through the design that a contact block is in linkage with the lock tongue, the lock tongue is retracted in the door opened state and extends out when a door is closed in place, so that the impact sound generated when the lock tongue impacts on a door frame during door closing is avoided, and the noise of the door lock is further lowered; accordingly, the true mute effect is achieved.

Description

A kind of silent door lock body

Technical field

The present invention relates to door lock technical field, the door lock that particularly a kind of noise is less.

Background technology

In the occasion that some are special, as ward etc., the requirement quiet to environment is higher, the sound that switch gate produces is enough to become noise source, the dead bolt of such as conventional door lock stretches out lock body outside, collide with gear locking plate or other like when ejecting with dead bolt at closing time, noise can be sent, again such as when dead bolt outside time, close the door and often need to draw with certain trying hard to recommend to close the door, power is slightly large greatly will because of inertial impaction doorframe, produce noise, again such as when rotation key unlocking after and loose one's grip at closing time, the partial component of door lock, the parts such as dead bolt are Rapid reset under the effect of back-moving spring, larger impact sound can be sent equally.A designer designs a kind of door lock, specifically can refer to " quiet magnetic force lock body " that the patent No. is 201510539163.1, wherein mention noise reduction stud and put a noise reduction gum cover, rear side is provided with buffering foam, button box assembly fixes a button box magnet and square tongue magnet heteropole is attracting etc. that design realizes quiet, but these structures not only high cost, nor fundamentally can solve the noise problem of clashing into and producing; There is the such as patent No. to be the patent No. to be " the silent door lock body " of 201210143801.4, mention the quiet cushion rubber of dead bolt surface laminating, use the bolsters such as spring, reduce the design of the movement velocity of transmission mechanism etc., above-mentioned Impact Problems can not be avoided equally.

Summary of the invention

In order to overcome the deficiencies in the prior art, the invention provides a kind of silent door lock body.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of silent door lock body, comprises lock frame, the dead bolt bar be connected with dead bolt and the tapered end STATEMENT OF FEDERALLY SPONSORED linked with dead bolt bar, described dead bolt bar and/or tapered end STATEMENT OF FEDERALLY SPONSORED is provided with and the lock stay cord locked frame and be connected.

As a preference, the below of described dead bolt is provided with rotatable contact block, described contact block right-hand member is arranged can the contact push rod of horizontal extension, the right-hand member of described contact push rod is provided with can the contact linkage block of upper and lower lifting, described dead bolt bar is provided with can with the contact controll block of movable contact linkage block, mutually corresponding inclined-plane is provided with between wherein said contact push rod and contact linkage block, be provided with mutually corresponding inclined-plane between described contact linkage block and contact controll block, described contact push rod and contact linkage block are respectively installed with spring.

As a preference, described dead bolt bar is set with and locks the fixed block and slide block that frame is connected, on described dead bolt bar, between dead bolt and fixed block, position is set with dead bolt return spring, rotation meson is provided with below described dead bolt bar, being provided with below described rotation meson can the square hyoplastron of horizontal anomalous movement, described side's hyoplastron rear is provided with and can goes up, the tapered end STATEMENT OF FEDERALLY SPONSORED of lower activity, described side's hyoplastron is provided with and can goes up, the meson jacking block of lower activity, meson jacking block return spring is provided with between wherein said meson jacking block and square hyoplastron, being provided with below described side's hyoplastron can the side's of stirring hyoplastron, meson jacking block, the rotation tapered end shifting block of tapered end STATEMENT OF FEDERALLY SPONSORED, described rotation meson upper end is provided with and can blocks fixed block, the struck side of position between slide block, described rotation meson lower end is provided with the interlock end that can contact with meson jacking block, described rotation meson is set with meson torsion spring, described side's hyoplastron upper end is distributed with calibration tooth, described tapered end STATEMENT OF FEDERALLY SPONSORED upper end is provided with the calibration external member can entangling calibration tooth, described side's hyoplastron lower end side of being provided with tongue stirs convex position, described tapered end STATEMENT OF FEDERALLY SPONSORED lower end has interlock convex arc, described tapered end STATEMENT OF FEDERALLY SPONSORED is set with tapered end STATEMENT OF FEDERALLY SPONSORED torsion spring, described tapered end STATEMENT OF FEDERALLY SPONSORED upper, downside respectively on be provided with and the lock stay cord locked frame and be connected.

As a preference, described meson jacking block lower end is provided with snap fit position with rotation tapered end shifting block contact position.

As a preference, described lock stay cord is chain ring type chain or wire rope.

As a preference, described meson jacking block upper end is bent into jack-up position with interlock termination synapsis.

As a preference, in described tapered end STATEMENT OF FEDERALLY SPONSORED, side chain stay cord is connected with the calibration external member of lock frame and tapered end STATEMENT OF FEDERALLY SPONSORED respectively.

The invention has the beneficial effects as follows: this door lock is by rational structural improvement, design especially by stay cord, make dead bolt return, or when other part resets, directly can not produce shock, the noise produced when greatly reducing door interlock switch, in addition by the design of contact block and tongue linked, make dead bolt at door opening state pinch in, just stretch out when closing put in place at door, so just avoid producing impact sound because of dead bolt knocking door case in door closing procedure, reduce the noise of door lock further, realize real muting function.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is structural representation of the present invention;

Fig. 2 is the STRUCTURE DECOMPOSITION figure of square hyoplastron part in the present invention.

Detailed description of the invention

In order to make the object of the application, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.For thorough understanding the present invention, some specific detail can be related in ensuing description.And when not having these specific detail, the present invention then may still can realize, those of skill in the art namely use the work that these describe and statement effectively introduces them to the others skilled in the art in affiliated field herein essential.In addition it should be noted that, the description about orientation mentioned in the following describes, person skilled should not be construed as technology beyond the application's protection domain doing simply, not need creationary adjustment to above-mentioned direction.Should be appreciated that specific embodiment described herein only in order to explain the application, and be not used in restriction real protection scope.And for avoiding confusion object of the present invention, because the technology of universal architecture part has been readily appreciated that, therefore they have not been described in detail.With reference to Fig. 1, a kind of silent door lock body, comprise lock frame 1, the dead bolt bar 21 be connected with dead bolt 2 and the tapered end STATEMENT OF FEDERALLY SPONSORED 6 linked with dead bolt bar 21, wherein dead bolt 2 can adopt latch bolt, double hook dead bolt or other type dead bolt.Dead bolt bar 21 makes dead bolt bar 21 energy return by parts such as spring, torsion spring, shell fragments.Described dead bolt bar 21 and/or tapered end STATEMENT OF FEDERALLY SPONSORED 6 are provided with and the lock stay cord 22 locked frame 1 and be connected, wherein dead bolt bar 21 by opening guiding groove at lock frame 1, arrange at dead bolt bar 21 and guide salient point to coordinate or other similar fashion realizes guiding the left and right direction of dead bolt bar 21 to slide, then by the position limiting structure of lock stay cord 22 as dead bolt bar 21, namely when the end moved to by dead bolt bar 21, also because can be pulled by lock stay cord 22 and not have impact sound sound, noise be greatly reduced.Wherein said lock stay cord 22 is chain ring type chain or wire rope, to ensure tension strength.Concrete lock stay cord 22 only can connect one end of dead bolt bar 21, also the two ends of dead bolt bar 21 can be connected, one end of tapered end STATEMENT OF FEDERALLY SPONSORED 6 can be connected, also the two ends of tapered end STATEMENT OF FEDERALLY SPONSORED 6 can be connected, need concrete structure and the work characteristics of combination lock stay cord 22, tapered end STATEMENT OF FEDERALLY SPONSORED 6, issuable shock sound when its target still locks stay cord 22 to eliminate, tapered end STATEMENT OF FEDERALLY SPONSORED 6 works, does not enumerate here.

Another kind of embodiment, with reference to a kind of silent door lock body of Fig. 1, Fig. 2, wherein alleged herein " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the application.Different local in this manual " in the embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.Embodiment comprises lock frame 1, the dead bolt bar 21 be connected with dead bolt 2 and the tapered end STATEMENT OF FEDERALLY SPONSORED 6 linked with dead bolt bar 21, described dead bolt bar 21 and the lock stay cord 22 tapered end STATEMENT OF FEDERALLY SPONSORED 6 is provided with lock frame 1 and be connected.The below of described dead bolt 2 is provided with rotatable contact block 3, described contact block 3 right-hand member is arranged can the contact push rod 31 of horizontal extension, the right-hand member of described contact push rod 31 is provided with can the contact linkage block 32 of upper and lower lifting, described dead bolt bar 21 is provided with can with the contact controll block 33 of movable contact linkage block 32, mutually corresponding inclined-plane is provided with between wherein said contact push rod 31 and contact linkage block 32, be provided with mutually corresponding inclined-plane between described contact linkage block 32 and contact controll block 33, described contact push rod 31 and contact linkage block 32 are respectively installed with spring.When door in off position time, dead bolt 2 is overhanging blocks doorframe.And when opening the door, dead bolt 2 pinch in the right, now contact controll block 33 follows indentation, contact linkage block 32 is just movable downwards along inclined-plane, band movable contact push rod 31 activity left also drives contact block 3 to stretch out, until contact controll block 33 is stuck, dead bolt 2 is fixed, now contact block 3 is in overhanging state, and dead bolt 2 is then in the state of inside contracting.And when will again at closing time, when door and doorframe close to time, contact block 3 is touched into by doorframe, and then the indentation to the right of band movable contact push rod 31, and then be with movable contact linkage block 32, contact controll block 33 successively, make dead bolt 2 again overhanging, such dead bolt 2 would not directly and doorframe clash into, eliminate a dominant noise source of door lock.It can thus be appreciated that, the inclined-plane between described contact push rod 31 and contact linkage block 32, and can there be multiple method to set up in the direction on inclined-plane between described contact linkage block 32 and contact controll block 33, does not enumerate here.

Another kind of embodiment, with reference to Fig. 1, Fig. 2, a kind of silent door lock body, comprises lock frame 1, the dead bolt bar 21 be connected with dead bolt 2 and the tapered end STATEMENT OF FEDERALLY SPONSORED 6 linked with dead bolt bar 21, described dead bolt bar 21 is provided with and the lock stay cord 22 locked frame 1 and be connected.Described dead bolt bar 21 is set with and locks the fixed block 23 and slide block 24 that frame 1 is connected, on described dead bolt bar 21, between dead bolt 2 and fixed block 23, position is set with dead bolt return spring 25, makes dead bolt bar 21 can return.Be provided with below described dead bolt bar 21 and rotate meson 4.Being provided with below described rotation meson 4 can the square hyoplastron 5 of horizontal anomalous movement, and wherein square hyoplastron 5 left end is provided with Square lock bolt.Described side's hyoplastron 5 rear is provided with can the tapered end STATEMENT OF FEDERALLY SPONSORED 6 of upper and lower activity.Described side's hyoplastron 5 is provided with can the meson jacking block 7 of upper and lower activity, meson jacking block return spring 71 is provided with between wherein said meson jacking block 7 and square hyoplastron 5, make meson jacking block 7 can return after upper and lower activity, the meson jacking block 7 then left and right activity of the side's of following hyoplastron 5 and moving itself.Be provided with below described side's hyoplastron 5 can the side's of stirring hyoplastron 5, meson jacking block 7, tapered end STATEMENT OF FEDERALLY SPONSORED 6 rotation tapered end shifting block 11, tapered end shifting block 11 controls rotary moveable by tapered end.Described rotation meson 4 upper end is provided with the struck side 41 can blocking position between fixed block 23, slide block 24, and described rotation meson 4 lower end is provided with the interlock end 42 that can contact with meson jacking block 7.Described rotation meson 4 is set with meson torsion spring 43, rotates meson 4 and rotate rear return.Described side's hyoplastron 5 upper end is distributed with calibration tooth 51, described tapered end STATEMENT OF FEDERALLY SPONSORED 6 upper end is provided with the calibration external member 61 can entangling calibration tooth 51, described side's hyoplastron 5 lower end side of being provided with tongue stirs convex position 52, described tapered end STATEMENT OF FEDERALLY SPONSORED 6 lower end has interlock convex arc 62, described tapered end STATEMENT OF FEDERALLY SPONSORED 6 is set with tapered end STATEMENT OF FEDERALLY SPONSORED torsion spring 63, the upper and lower side of described tapered end STATEMENT OF FEDERALLY SPONSORED 6 respectively on be provided with and the lock stay cord 22 locked frame 1 and be connected, when avoiding tapered end STATEMENT OF FEDERALLY SPONSORED 6 return and other part clash into and produce noise.Wherein said lock stay cord 22 is chain ring type chain or wire rope, to ensure tension strength.In wherein said tapered end STATEMENT OF FEDERALLY SPONSORED 6, side chain stay cord 22 is connected with the calibration external member 61 of lock frame 1 and tapered end STATEMENT OF FEDERALLY SPONSORED 6 respectively, the noise sent when can reduce tapered end STATEMENT OF FEDERALLY SPONSORED 6 activity so further.

When needs lock side dead bolt, key injects tapered end driven rotary tapered end shifting block 11 and is rotated counterclockwise, rotate to the square tongue of contact side's hyoplastron 5 can stir convex position 52 until rotate tapered end shifting block 11, and meson jacking block 7 is also just and then moved to the left and touches less than rotation tapered end shifting block 11, also touch less than rotation meson 4.Rotate tapered end shifting block 11 and rotate the interlock convex arc 62 tapered end STATEMENT OF FEDERALLY SPONSORED 6 jack-up of taking advantage of a situation of encountering tapered end STATEMENT OF FEDERALLY SPONSORED 6 simultaneously, make the calibration tooth 51 of the tapered end STATEMENT OF FEDERALLY SPONSORED 6 no longer side's of entangling hyoplastron 5, the side's of making hyoplastron 5 can stretch out left.When needs open the door, then rotate tapered end shifting block 11 turn clockwise and the interlock convex arc 62 encountering tapered end STATEMENT OF FEDERALLY SPONSORED 6 tapered end STATEMENT OF FEDERALLY SPONSORED 6 jack-up, make the calibration tooth 51 of the tapered end STATEMENT OF FEDERALLY SPONSORED 6 no longer side's of entangling hyoplastron 5, rotate simultaneously tapered end shifting block 11 to the right the square tongue of the side's of stirring hyoplastron 5 stir convex position 52 side of making hyoplastron 5 and lock to the right, meson jacking block 7 also just and then moves right until meson jacking block 7 is enough near rotating tapered end shifting block 11, when making rotation tapered end shifting block 11 clockwise, meson jacking block 7 is upwards pushed up, and top is to the interlock end 42 rotating meson 4, rotate meson 4 just and then to rotate and the struck side 41 passing through rotation meson 4 is stirred the slide block 24 of dead bolt bar 21 and then torn dead bolt bar 21 dead bolt 2 is locked to the right, complete unlocking action.This lock construction running is smooth, and by locking the design of stay cord 22, is conducive to reducing noise further.

Described meson jacking block 7 lower end is provided with snap fit position 71 with rotation tapered end shifting block 11 contact position, meson jacking block 7 can be avoided to misplace in upper and lower active procedure by snap fit position 71, improve mobile fluency and then reduce noise, and the structure of snap fit position 71 itself also can reduce because clash into rotation tapered end shifting block 11 wearing and tearing and shake that cause.Described meson jacking block 7 upper end is bent into jack-up position 72 with interlock end 42 contact position, more steady when meson jacking block 7 is contacted with the interlock end 42 rotating meson 4.

According to above-mentioned principle, the present invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.

Claims

1. a silent door lock body, comprise lock frame (1), the dead bolt bar (21) be connected with dead bolt (2) and with the tapered end STATEMENT OF FEDERALLY SPONSORED (6) that dead bolt bar (21) links, it is characterized in that: described dead bolt bar (21) and/or tapered end STATEMENT OF FEDERALLY SPONSORED (6) are provided with and the lock stay cord (22) locked frame (1) and be connected.

2. a kind of silent door lock body according to claim 1, it is characterized in that: the below of described dead bolt (2) is provided with rotatable contact block (3), described contact block (3) right-hand member is arranged can the contact push rod (31) of horizontal extension, the right-hand member of described contact push rod (31) is provided with and can goes up, the contact linkage block (32) of lower lifting, described dead bolt bar (21) is provided with can with the contact controll block (33) of movable contact linkage block (32), mutually corresponding inclined-plane is provided with between wherein said contact push rod (31) and contact linkage block (32), mutually corresponding inclined-plane is provided with between described contact linkage block (32) and contact controll block (33), described contact push rod (31) and contact linkage block (32) are respectively installed with spring.

3. a kind of silent door lock body according to claim 1, it is characterized in that: described dead bolt bar (21) is set with and locks the fixed block (23) and slide block (24) that frame (1) is connected, described dead bolt bar (21) is positioned at position between dead bolt (2) and fixed block (23) and is set with dead bolt return spring (25), described dead bolt bar (21) below is provided with and rotates meson (4), described rotation meson (4) below is provided with can the square hyoplastron (5) of horizontal anomalous movement, described side's hyoplastron (5) rear is provided with and can goes up, the tapered end STATEMENT OF FEDERALLY SPONSORED (6) of lower activity, described side's hyoplastron (5) is provided with and can goes up, the meson jacking block (7) of lower activity, meson jacking block return spring (71) is provided with between wherein said meson jacking block (7) and square hyoplastron (5), described side's hyoplastron (5) below is provided with can the side's of stirring hyoplastron (5), meson jacking block (7), the rotation tapered end shifting block (11) of tapered end STATEMENT OF FEDERALLY SPONSORED (6), described rotation meson (4) upper end is provided with can block fixed block (23), the struck side (41) of position between slide block (24), described rotation meson (4) lower end is provided with the interlock end (42) that can contact with meson jacking block (7), described rotation meson (4) upper suit meson torsion spring (43), described side's hyoplastron (5) upper end is distributed with calibration tooth (51), described tapered end STATEMENT OF FEDERALLY SPONSORED (6) upper end is provided with the calibration external member (61) can entangling calibration tooth (51), described side's hyoplastron (5) lower end side of being provided with tongue stirs convex position (52), described tapered end STATEMENT OF FEDERALLY SPONSORED (6) lower end has interlock convex arc (62), described tapered end STATEMENT OF FEDERALLY SPONSORED (6) is set with tapered end STATEMENT OF FEDERALLY SPONSORED torsion spring (63), described tapered end STATEMENT OF FEDERALLY SPONSORED (6) upper, downside respectively on be provided with and the lock stay cord (22) locked frame (1) and be connected.

4. a kind of silent door lock body according to claim 3, is characterized in that: described meson jacking block (7) lower end is provided with snap fit position (71) with rotation tapered end shifting block (11) contact position.

5. a kind of silent door lock body according to claim 1, is characterized in that: described lock stay cord (22) is chain ring type chain or wire rope.

6. a kind of silent door lock body according to claim 3, is characterized in that: described lock stay cord (22) is chain ring type chain or wire rope.

7. a kind of silent door lock body according to claim 3, is characterized in that: described meson jacking block (7) upper end holds (42) contact position to be bent into jack-up position (72) with interlock.

8. a kind of silent door lock body according to claim 3, is characterized in that: the upper side chain stay cord (22) of described tapered end STATEMENT OF FEDERALLY SPONSORED (6) is connected with the calibration external member (61) of lock frame (1) and tapered end STATEMENT OF FEDERALLY SPONSORED (6) respectively.