CN205531788U - Mechanical door lock - Google Patents

Mechanical door lock Download PDF

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Publication number
CN205531788U
CN205531788U CN201620142486.7U CN201620142486U CN205531788U CN 205531788 U CN205531788 U CN 205531788U CN 201620142486 U CN201620142486 U CN 201620142486U CN 205531788 U CN205531788 U CN 205531788U
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CN
China
Prior art keywords
clutch
lock
handle axle
support arm
shifting block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620142486.7U
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Chinese (zh)
Inventor
吕策
余开军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wanli Door Industry Co Ltd
Original Assignee
Zhejiang Wanli Door Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Wanli Door Industry Co Ltd filed Critical Zhejiang Wanli Door Industry Co Ltd
Priority to CN201620142486.7U priority Critical patent/CN205531788U/en
Application granted granted Critical
Publication of CN205531788U publication Critical patent/CN205531788U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a mechanical door lock, including lock shell, spring bolt mechanism, spring bolt drive mechanism, tapered end mechanism, handle mechanism, triggering mechanism and separation and reunion drive mechanism. Tapered end mechanism includes the lock core and can follow the first piece of stirring of the integrative pivoted of lock core, handle mechanism includes interiorly hand shaft, and outward hand shaft, and the separation and reunion structure, the separation and reunion structure is in disjuncture when nos exogenic action, is in bonding state and combines hand shaft to hand shaft outside with as an organic wholely with interior when having the exogenic action, interiorly retracts the second of locking in the shell and stirs the piece through stirring spring bolt drive mechanism messenger spring bolt being equipped with on the hand shaft, triggering mechanism first when stirring corotation the forward motion promote separation and reunion drive mechanism and make the separation and reunion structure combine, and stir to rotate to be driven down towards the direction of unblock at the second and reset. The utility model discloses having avoided the lock core to be destroyed because of bearing the bigger torsion of unblanking, having prevented outward hand shaft or turned round contact department of hand shaft and lock body by the violence badly outward, the security is better.

Description

Mechanical door lock
Technical field
This utility model relates to lock technology field, is specifically related to a kind of mechanical door lock.
Background technology
Door lock is to ensureing that the person and property safety have important function, according to the difference of the mode of unblanking, logical Often can be divided into electronic lock and mechanical door lock two kinds.Wherein, mechanical door lock is by mating with phase-locked Key realize unblanking or locking.
Traditional mechanical door lock, when locking or unblank, it usually needs inserts a key into the lock of lock core Kong Zhong, then carrys out band movable lock core by rotation key and rotates, and then drives dead bolt stretch out or retract.This Plant mechanical door lock, be directly to drive stretching out and retracting, therefore of dead bolt by the rotary torsion of lock core Bigger torsion can be born at lock core, on the one hand user can be made relatively elaborate when unblanking, the opposing party Face also has the hidden danger that key is easily twisted off.
Chinese patent literature CN20177269U discloses a kind of door lock, is next right by the rotation of key The rotation of door handle locks or unlocks, then drives stretching of dead bolt by the rotation of door handle Go out and retract.This mechanical door lock, can solve to bear at traditional mechanical door lock core bigger torsion The problem of power, but if door handle is applied strength or violence, then may make door handle and lock body Contact position turned round bad, and then realize pressure and unblank.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome mechanical door lock in prior art Handle or handle are easily turned round bad by violence with the junction of lock body and are caused the defect forcing to unblank, thus A kind of handle or handle is provided to be difficult to be turned round bad mechanical door lock by violence with the junction of lock body.
Another technical problem to be solved in the utility model is to overcome of the prior art by rotating Handle realizes the defect that the mechanical door lock safety unblanked is poor, thus provides a kind of safety good Mechanical door lock.
A kind of mechanical door lock of the present utility model, including lock housing, and:
Spring bolt mechanism, is installed in described lock housing, including dead bolt;
Drive for spring bolt, is connected with described spring bolt mechanism, and described spring bolt mechanism can be driven to stretch out or Retract described lock housing;
Also include
Lock mechanism, including having the lock core of keyhole, and is arranged on described lock core, can be with institute State the first shifting part of lock core unitary rotation;
Handle mechanism, including Internal handle axle, it is possible to the outer handle axle rotated relative to described Internal handle axle, And it is arranged on the clutch structure between described Internal handle axle and described outer handle axle, described clutch structure When without External Force Acting, be in released state, be in bonding state when there being External Force Acting, and described from When conjunction structure is in bonding state, described Internal handle axle is combined as a whole with described outer handle axle, described Internal handle axle is provided with and makes described dead bolt retract in described lock housing by stirring described drive for spring bolt Second shifting part;
Trigger architecture, under the driving that described first shifting part positive and negative direction rotates, reciprocates;
Clutch transmission, is arranged between described first shifting part and described clutch structure, described Under the driving of the first shifting part, push described clutch structure and combine, and at described second shifting part towards solution The direction of lock is resetted by driving under rotating.
Described clutch structure includes
Breach, takes shape in the sidewall of described outer handle axle;
Shifting block hole, takes shape on the blind hole sidewall of described Internal handle axle;
Clutch shifting block, is arranged in described shifting block hole, length be more than described shifting block hole depth, described from Close under the shifting block driving by described clutch transmission, stretch in described breach, make described Internal handle axle Be combined with described outer handle axle;
Reseting elastic element, is arranged in described shifting block hole, and it recovers elastic force makes described clutch shifting block have There is the trend away from described breach.
Described first shifting part is lock core gear, and described trigger architecture is tooth bar, and described tooth bar activity is pacified It is loaded in described lock housing, alternating translational under the drive of described lock core gear;
Described clutch transmission includes:
Tooth bar, is movably installed in described lock housing, and translates under the drive of described lock core gear;
Clutch plectrum, is installed in described lock housing by the first rotary shaft, and described clutch plectrum has The first support arm and the second support arm, described first support arm is had to rotate under the promotion of described tooth bar, and drive Described second support arm rotates and pushes against described clutch shifting block, makes described clutch structure combine;
Bi-directional spring elements, one end is fixed in described lock housing, and the other end is connected with described second support arm, Its elastic force acts on described second support arm, and described bi-directional spring elements has a critical localisation, and institute State bi-directional spring elements to rotate around its fixing end under the pulling of the rotation of described second support arm, described double When flexible member crosses this critical localisation, it acts on the elastic force direction on described second support arm and changes; And wherein the first elastic force direction makes described second support arm keep pushing described clutch shifting block, the second bullet Force direction makes described second support arm keep being in the position separated with described clutch shifting block;
Described clutch plectrum is driven by described second shifting part and resets.
Described bi-directional spring elements is two-way torsion spring.
Forming bar hole on described tooth bar, described tooth bar can be come and gone through described bar hole by bearing pin Translationally it is arranged in described lock housing.
Described second shifting part is for driving gear;
Described drive for spring bolt includes:
Driven gear, is rotatably arranged in described lock housing by the second rotary shaft, and it includes can one The gear part of body rotation and link arm portion, described gear part engages with described driving gear;
Connecting rod, one end is hinged with described link arm portion, and the other end is hinged with described spring bolt mechanism.
Described second support arm forms the first convex edge, described driving gear be provided with push described first convex Second convex edge on edge, described driving gear makes described clutch plectrum multiple by pushing described second support arm Position.
Described reseting elastic element is back-moving spring.
Technical solutions of the utility model, have the advantage that
1. this utility model provide mechanical door lock, including lock housing, spring bolt mechanism, drive for spring bolt, Lock mechanism, handle mechanism, trigger architecture and clutch transmission.Spring bolt mechanism includes dead bolt;Lock Tongue drive mechanism is connected with described spring bolt mechanism, and described spring bolt mechanism can be driven to stretch out or retract described Lock housing;Lock mechanism includes the lock core with keyhole, and is arranged on described lock core, can be with institute State the first shifting part of lock core unitary rotation;Handle mechanism, including Internal handle axle, it is possible to relatively described The outer handle axle that Internal handle axle rotates, and be arranged between described Internal handle axle and described outer handle axle Clutch structure, described clutch structure is in released state when without External Force Acting, is having External Force Acting Time be in bonding state, and when described clutch structure is in bonding state, described Internal handle axle is with described Outer handle axle is combined as a whole, and described Internal handle axle is provided with and makes by stirring described drive for spring bolt The second shifting part in the described dead bolt described lock housing of retraction;Trigger architecture at described first shifting part just, Reciprocate under the driving that opposite direction rotates;Clutch transmission, be arranged on described first shifting part with Between described clutch structure, under the driving of described first shifting part, push described clutch structure and combine, And resetted by driving under described second shifting part rotates towards the direction unlocked.Machinery of the present utility model Door lock, is rotated by key and triggers clutch structure combination, make outer handle axle be connected with Internal handle axle, so Realize outdoor by the outer handle axle of rotation afterwards to unblank, come directly compared to the rotary torsion of existing lock core The retraction driving dead bolt realizes unblanking, and torsion of unblanking of the present utility model is to be come by the handle axle that intensity is big Undertake, it is to avoid bigger unblank torsion and be destroyed because bearing at lock core, improve mechanical door lock Safety.Additionally, mechanical door lock of the present utility model, after locking, clutch structure separates, outside making Handle axle dallies, be possible to prevent because external handle axle applies strength or violence the outer handle axle that causes or Outer handle axle is turned round bad with the contact position of lock body, has more preferable safety.
2. the mechanical door lock that this utility model provides, described clutch structure includes taking shape in described outer handle The breach of the sidewall of axle, the shifting block hole taken shape on the blind hole sidewall of described Internal handle axle, clutch shifting block And reseting elastic element.Clutch shifting block is arranged in described shifting block hole, and length is more than described shifting block hole depth Degree, under the driving by described clutch transmission of the described clutch shifting block, stretches in described breach, makes institute State Internal handle axle to engage with described outer handle axle;Reseting elastic element is arranged in described shifting block hole, its Recovering elastic force makes described clutch shifting block have the trend away from described breach.This clutch structure, passes through Control stretching into and stretching out the combination that just can realize clutch structure and separate of clutch shifting block, simple in construction, Clutch easily realizes.
3. the mechanical door lock that this utility model provides, described tooth bar is the driving of rotation of described lock core gear Dynamic lower resetting, described first shifting part is lock core gear, described clutch transmission include tooth bar, from Clutch plectrum and bi-directional spring elements.Tooth bar is movably installed in described lock housing, and at described lock core Translate under the drive of gear;Clutch plectrum is installed in described lock housing by the first rotary shaft, described Clutch plectrum has the first support arm and the second support arm, and described first support arm is under the promotion of described tooth bar Rotate, and drive described second support arm to rotate the described clutch shifting block of pushing and pressing, make described clutch structure combine; Bi-directional spring elements one end is fixed in described lock housing, and the other end is connected with described second support arm, its bullet Power acts on described second support arm, and described bi-directional spring elements has a critical localisation, and described double Rotate around its fixing end under the pulling of the rotation of described second support arm to flexible member, described two-way bullet Property element when crossing this critical localisation, it acts on the elastic force direction on described second support arm and changes;And Wherein the first elastic force direction makes described second support arm keep pushing described clutch shifting block, the second elastic force Direction makes described second support arm keep being in the position separated with described clutch shifting block;Described clutch is dialled Sheet is driven by described second shifting part and resets.Described tooth bar, clutch plectrum and bi-directional spring elements, The rotation by key can be realized and control the clutch of clutch structure, and then control outer handle and interior The combination of hands with separate, make outer handle idle running and idling state between switch, and then realize lock Rear outer handle axle idle running, prevent because external handle axle apply strongly or violence and the outer handle axle that causes or Outer handle axle is turned round bad with the contact position of lock body.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical side of the prior art Case, will make simply the accompanying drawing used required in detailed description of the invention or description of the prior art below Introduce, it should be apparent that, the accompanying drawing in describing below is embodiments more of the present utility model, right From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to These accompanying drawings obtain other accompanying drawing.
The structural representation of the Fig. 1 mechanical door lock for providing in the first embodiment of the present utility model;
Fig. 2 is the clutch configuration schematic diagram of the mechanical door lock shown in Fig. 1;
Fig. 3 is the schematic diagram of the clutch bonding state of the mechanical door lock shown in Fig. 1;
Fig. 4 is the schematic diagram that state extracted by the key of the mechanical door lock shown in Fig. 1;
Fig. 5 is the schematic diagram pressing down outer handle door opening state of the mechanical door lock shown in Fig. 1;
Description of reference numerals:
1-lock housing, 2-spring bolt mechanism, 21-dead bolt, 3-drive for spring bolt, 31-driven gear, 311- Gear part, 312-link arm portion, 32-connecting rod, 33-the second rotary shaft, 4-lock mechanism, 41-lock core, 42-the first shifting part, 5-handle mechanism, 51-Internal handle axle, 511-the second shifting part, the outer handle of 52- Axle, 53-clutch structure, 531-breach, 532-shifting block hole, 533-clutch shifting block, 534-Flexible Reset Element, 6-clutch transmission, 61-clutch plectrum, 611-the first support arm, 612-the second support arm, 62-bi-directional spring elements, 63-the first rotary shaft, 7-tooth bar, 71-bar hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobvious So, described embodiment is a part of embodiment of this utility model rather than whole embodiments. Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work The every other embodiment obtained under premise, broadly falls into the scope of this utility model protection.
In description of the present utility model, it should be noted that term " on ", D score, " interior ", " outward " It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, merely to just Describe in description this utility model and simplification rather than indicate or imply that the device of indication or element are necessary There is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality The restriction of type.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that Instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, Term " is installed ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to It is to removably connect, or is integrally connected;Can be to be mechanically connected, it is also possible to be electrical connection;Permissible It is to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals. For the ordinary skill in the art, can understand that above-mentioned term is new in this practicality with concrete condition Concrete meaning in type.
Additionally, technical characteristic involved in this utility model difference embodiment disclosed below is only The conflict of not constituting each other just can be combined with each other.
As it is shown in figure 1, a kind of mechanical door lock of the present utility model, including lock housing 1, and:
Spring bolt mechanism 2, is installed in described lock housing 1, including dead bolt 21;
Drive for spring bolt 3, is connected with described spring bolt mechanism 2, and described spring bolt mechanism 2 can be driven to stretch Go out or retract described lock housing 1;
Also include
Lock mechanism 4, including having the lock core 41 of keyhole, and is arranged on described lock core 41, Can be with the first shifting part 42 of described lock core 41 unitary rotation;
Handle mechanism 5, including Internal handle axle 51, it is possible to outer rotated relative to described Internal handle axle 51 Hands axle 52, and it is arranged on the clutch structure between described Internal handle axle 51 and described outer handle axle 52 53, described clutch structure 53 is in released state (as shown in Figure 1) when without External Force Acting, is having It is in bonding state (as shown in Figure 3 and Figure 4) during External Force Acting, and described clutch structure 53 is in During bonding state, described Internal handle axle 51 is combined as a whole with described outer handle axle 52, described interior Hands axle 51 is provided with and makes described dead bolt 21 retract described lock housing 1 by stirring described drive for spring bolt 3 The second interior shifting part 511 (as shown in Figure 5);
Clutch transmission 6, is arranged between described first shifting part and described clutch structure 53, Under the driving of described first shifting part, push described clutch structure 53 and combine, and stir described second Part 511 is resetted by driving under rotating towards the direction unlocked.
Additionally, be additionally provided with automatic locking device on dead bolt 21.Opening of mechanical door lock of the present utility model Lock and process of locking are as follows:
When unblanking, insert a key in the keyhole of lock core 41, rotate key, make lock core 41 revolve Turn, and drive the first shifting part 42 one to rotate towards first direction, drive clutch transmission 6 to push Clutch structure 53, makes clutch structure 53 combine, and outer handle axle 52 is connected with Internal handle axle 51, reversion And after extracting key, press down outer handle axle 52, drive the second shifting part 511 to stir drive for spring bolt 3, Making dead bolt 21 retract in lock housing 1, lock is opened, and the second shifting part 511 drives clutch transmission machine simultaneously Structure 6 resets, before unclamping outer handle axle 52, due to outer handle axle 52 rubbing to clutch structure 53 Wiping power, makes clutch structure 53 remain in that bonding state after clutch transmission 6 resets, is unclamping After outer handle axle 52, clutch structure 53 recovers to released state, outer handle axle 52 and Internal handle axle 51 Departing from, when rotating outer handle axle 52, outer handle axle 52 is in idling conditions;
When locking, the automatic locking device on dead bolt 21 and door frame contact and trigger dead bolt 21 and stretch out lock Shell 1, lock is locked;Meanwhile, dead bolt 21 stretches out lock housing 1 can pull drive for spring bolt 3, makes Two shifting parts 511 are relative to reversely rotating when unblanking to resetting.
Mechanical door lock of the present utility model, rotates triggering clutch structure 53 by key and combines, make outer Hands axle 52 is connected with Internal handle axle 51, then realizes outdoor by the outer handle axle 52 of rotation and unblanks, phase The retraction of dead bolt is directly driven to realize unblanking than the rotary torsion in existing lock core, this utility model Torsion of unblanking be undertaken by the handle axle that intensity is big, it is to avoid because bearing bigger opening at lock core Lock knob power and be destroyed, improve the safety of mechanical door lock.
Additionally, mechanical door lock of the present utility model, after locking, clutch structure 53 separates, and makes outer handle Axle 52 dallies, and is possible to prevent the outer handle axle caused because external handle axle 52 applies strength or violence 52 or outer handle axle 52 are turned round bad with the contact position of lock body, have more preferable safety.
The specific constructive form of described clutch structure 53 can have multiple, in the present embodiment, such as Fig. 2 Shown in Fig. 1, the most described clutch structure 53 includes
Breach 531, takes shape in the sidewall of described outer handle axle 52;
Shifting block hole 532, takes shape on the blind hole sidewall of described Internal handle axle 51;
Clutch shifting block 533, is arranged in described shifting block hole 532, and length is deep more than described shifting block hole 532 Degree, under the driving by described clutch transmission 6 of the described clutch shifting block 533, stretches into described breach 531 In, make described Internal handle axle 51 be combined with described outer handle axle 52;
Reseting elastic element 534, is arranged in described shifting block hole 532, and it recovers elastic force makes described clutch Shifting block 533 has the trend away from described breach 531.
This clutch structure, just can realize clutch by controlling stretching into of clutch shifting block 533 with stretching out The combination of structure 53 with separate, simple in construction, clutch easily realizes.
In the present embodiment, described first shifting part 42 is lock core gear,
Described clutch transmission 6 includes:
Tooth bar 7, is movably installed in described lock housing 1, and translates under the drive of described lock core gear;
Clutch plectrum 61, is installed in described lock housing 1 by the first rotary shaft 63, described clutch Plectrum 61 has the first support arm 611 and the second support arm 612, and described first support arm 611 is at described tooth bar Rotate under the promotion of 7, and drive described second support arm 612 to rotate the described clutch shifting block 533 of pushing and pressing, make Described clutch structure 53 combines;
Bi-directional spring elements 62, one end is fixed in described lock housing 1, the other end and described second support arm 612 connect, and its elastic force acts on described second support arm 612, and described bi-directional spring elements 62 has One critical localisation, and described bi-directional spring elements 62 is under the pulling of the rotation of described second support arm 612 Rotating around its fixing end, when described bi-directional spring elements 62 crosses this critical localisation, it acts on described Elastic force direction on second support arm 612 changes;And wherein the first elastic force direction makes described second support arm 612 Keeping pushing described clutch shifting block 533, the second elastic force direction makes described second support arm 612 keep It is in the position separated with described clutch shifting block 533;
Described clutch plectrum 61 is driven reset by described second shifting part 511.
When unblanking, as it is shown in figure 1, insert a key in the keyhole of lock core 41, rotate key, Make lock core 41 rotate, and drive lock core gear one to rotate towards first direction, drive tooth bar 7, promote First support arm 611 of clutch plectrum 61 rotates, and drives described second support arm 612 to rotate pushing and pressing described Clutch shifting block 533, as it is shown on figure 3, make clutch structure 53 combine, and makes bi-directional spring elements 62 more Crossing critical localisation, the elastic force direction acted on the second support arm 612 is become pushing from the second elastic force direction First elastic force direction of clutch shifting block 533;Outer handle axle 52 is connected with Internal handle axle 51, such as Fig. 4 Shown in Fig. 5, press down outer handle axle 52 after inverting and extract key, drive the second shifting part 511 groups Dynamic drive for spring bolt 3, makes dead bolt 21 retract in lock housing 1, and lock is opened, simultaneously the second shifting part 511 push against described second support arm 612 makes described clutch plectrum 61 reset, and is unclamping outer handle axle 52 Before, right more than reseting elastic element 534 to the frictional force of clutch shifting block 533 due to outer handle axle 52 The recovery elastic force of clutch shifting block 533, clutch shifting block 533 cannot deviate from described breach 531, so clutch Structure 53 remains in that bonding state after clutch transmission 6 resets;After unclamping outer handle axle 52, Clutch shifting block 533 deviates from described breach 531 under the recovery elastic force effect of reseting elastic element 534, outward Handle axle 52 departs from Internal handle axle 51, and when rotating outer handle axle 52, outer handle axle 52 is in sky Turn state;
When locking, the automatic locking device on dead bolt 21 and door frame contact and trigger dead bolt 21 and stretch out lock Shell 1, lock is locked;Meanwhile, dead bolt 21 stretches out lock housing 1 can pull drive for spring bolt 3, makes Two shifting parts 511 are relative to reversely rotating when unblanking to resetting.
Described tooth bar 7, clutch plectrum 61 and bi-directional spring elements 62, it is possible to achieve by key 1 Rotation control the clutch of clutch structure 53, and then control outer handle 52 and the combination of Internal handle 51 With separate, make outer handle 52 idle running and idling state between switch, and then realize lock after outer Hands axle 52 dallies, and prevents the outer handle axle 52 caused because external handle axle 52 applies strength or violence Or outer handle axle 52 turned round bad with the contact position of lock body.
In the present embodiment, described bi-directional spring elements 62 is two-way torsion spring.
The concrete set-up mode of described tooth bar 7 can have multiple, on the preferred described tooth bar 7 of the present embodiment Forming bar hole 71, described tooth bar 7 can be come and gone through described bar hole 71 by bearing pin and translationally set Put in described lock housing 1.
Described second shifting part 511 is for driving gear;
Described drive for spring bolt 3 includes:
Driven gear 31, is rotatably arranged in described lock housing 1 by the second rotary shaft 33, its bag Include the gear part 311 and link arm portion 312 that can rotate integrally, described gear part 311 and described driving gear Engagement;
Connecting rod 32, one end is hinged with described link arm portion 312, and the other end is hinged with described spring bolt mechanism 2.
Described clutch plectrum 61 is driven the concrete mode of reset to have by described second shifting part 511 Multiple, the most described second support arm 612 of the present embodiment forms the first convex edge, on described driving gear Being provided with the second convex edge pushing described first convex edge, described driving gear is by pushing described second support arm 612 make described clutch plectrum 61 reset.
In the present embodiment, described reseting elastic element 534 is back-moving spring.
Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment party The restriction of formula.For those of ordinary skill in the field, the most also may be used To make other changes in different forms.Here without also all of embodiment being given With exhaustive.And the obvious change thus extended out or variation are created still in this utility model Protection domain among.

Claims (8)

1. a mechanical door lock, including lock housing (1), and:
Spring bolt mechanism (2), is installed in described lock housing (1), including dead bolt (21);
Drive for spring bolt (3), is connected with described spring bolt mechanism (2), and can drive described dead bolt machine Structure (2) stretches out or retracts described lock housing (1);
It is characterized in that, also include
Lock mechanism (4), including having the lock core (41) of keyhole, and is arranged on described lock core (41) On, can be with first shifting part (42) of described lock core (41) unitary rotation;
Handle mechanism (5), including Internal handle axle (51), it is possible to the most described Internal handle axle (51) turns Dynamic outer handle axle (52), and it is arranged on described Internal handle axle (51) and described outer handle axle (52) Between clutch structure (53), described clutch structure (53) is in released state when without External Force Acting, Bonding state it is in when there being External Force Acting, and when described clutch structure (53) is in bonding state, Described Internal handle axle (51) is combined as a whole with described outer handle axle (52), described Internal handle axle (51) Being provided with makes described dead bolt (21) retract described lock housing (1) by stirring described drive for spring bolt (3) Interior the second shifting part (511);
Clutch transmission (6), is arranged on described first shifting part (42) and described clutch structure (53) Between, under the driving of described first shifting part (42), push described clutch structure (53) and combine, And resetted by driving under described second shifting part (511) rotates towards the direction unlocked.
Mechanical door lock the most according to claim 1, it is characterised in that described clutch structure (53) Including
Breach (531), takes shape in the sidewall of described outer handle axle (52);
Shifting block hole (532), takes shape on the blind hole sidewall of described Internal handle axle (51);
Clutch shifting block (533), is arranged in described shifting block hole (532), and length is more than described shifting block hole (532) degree of depth, under the driving by described clutch transmission (6) of the described clutch shifting block (533), Stretch in described breach (531), make described Internal handle axle (51) tie with described outer handle axle (52) Close;
Reseting elastic element (534), is arranged in described shifting block hole (532), and it recovers elastic force makes institute State clutch shifting block (533) and there is the trend away from described breach (531).
Mechanical door lock the most according to claim 2, it is characterised in that described first shifting part (42) For lock core gear,
Described clutch transmission (6) including:
Tooth bar (7), is movably installed in described lock housing (1), and under the drive of described lock core gear Translation;
Clutch plectrum (61), is installed in described lock housing (1) by the first rotary shaft (63), Described clutch plectrum (61) has the first support arm (611) and the second support arm (612), and described first Support arm (611) rotates under the promotion of described tooth bar (7), and drives described second support arm (612) Rotate and push against described clutch shifting block (533), make described clutch structure (53) combine;
Bi-directional spring elements (62), one end is fixed in described lock housing (1), the other end and described the Two support arms (612) connect, and its elastic force acts on described second support arm (612), described two-way bullet Property element (62) has a critical localisation, and described bi-directional spring elements (62) is at described second Rotating around its fixing end under the pulling of the rotation of arm (612), described bi-directional spring elements (62) is crossed During this critical localisation, it acts on the elastic force direction on described second support arm (612) and changes;And wherein First elastic force direction makes described second support arm (612) keep pushing described clutch shifting block (533), Second elastic force direction makes described second support arm (612) keep being in and described clutch shifting block (533) point From position;
Described clutch plectrum (61) is driven by described second shifting part (511) and resets.
Mechanical door lock the most according to claim 3, it is characterised in that described bi-directional spring elements (62) it is two-way torsion spring.
Mechanical door lock the most according to claim 3, it is characterised in that described tooth bar becomes on (7) Type has bar hole (71), and described tooth bar can be come and gone translationally through described bar hole (71) by bearing pin It is arranged in described lock housing (1).
Mechanical door lock the most according to claim 3, it is characterised in that described second shifting part (511) For driving gear;
Described drive for spring bolt (3) including:
Driven gear (31), is rotatably arranged in described lock housing (1) by the second rotary shaft (33) On, it includes gear part (311) and link arm portion (312) that can rotate integrally, described gear part (311) Engage with described driving gear;
Connecting rod (32), one end is hinged with described link arm portion (312), the other end and described spring bolt mechanism (2) hinged.
Mechanical door lock the most according to claim 6, it is characterised in that described second support arm (612) Forming the first convex edge, described driving gear is provided with the second convex edge pushing described first convex edge, institute Stating driving gear makes described clutch plectrum (61) reset by pushing described second support arm (612).
Mechanical door lock the most according to claim 2, it is characterised in that described reseting elastic element (534) it is back-moving spring.
CN201620142486.7U 2016-02-25 2016-02-25 Mechanical door lock Withdrawn - After Issue CN205531788U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201620142486.7U CN205531788U (en) 2016-02-25 2016-02-25 Mechanical door lock

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649427A (en) * 2016-02-25 2016-06-08 浙江王力门业有限公司 Mechanical door lock
CN108533071A (en) * 2018-04-13 2018-09-14 何正和 A kind of safety lock structure
CN108533072A (en) * 2018-04-13 2018-09-14 何正和 A kind of lock

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649427A (en) * 2016-02-25 2016-06-08 浙江王力门业有限公司 Mechanical door lock
CN105649427B (en) * 2016-02-25 2018-08-17 王力安防科技股份有限公司 Mechanical door lock
CN108533071A (en) * 2018-04-13 2018-09-14 何正和 A kind of safety lock structure
CN108533072A (en) * 2018-04-13 2018-09-14 何正和 A kind of lock

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