CN204782283U - Innovative kitchen lock of defending that children and old man can use - Google Patents

Abstract

The utility model provides an innovative kitchen lock of defending that children and old man can use, includes oblique tongue, square tongue, jam plate, tongue control lever and square tongue connecting block to one side, the tongue articulates on tongue control lever to one side, the middle part on the long limit of tongue control lever is equipped with and stirs the piece to one side, is equipped with uide pin and shifting block groove on the square tongue connecting block, the shifting block groove with lock the shifting block and cooperate, be equipped with the locating pin on the jam plate of square tongue connecting block top, overlap on the locating pin has the poker rod movablely, the lower part of poker rod and lock the shifting block and cooperate, rotatablely on the jam plate be equipped with the external lock pivot, put the internal lock pivot in the external lock pivot, be equipped with spacing post on the jam plate, the intrinsic external lock shifting block of cover in the external lock pivot, the intrinsic internal lock shifting block of cover in the internal lock pivot. Its simple structure, convenient to use, flexibility, safety, it can be realized untiing the state of locking voluntarily and open the door simultaneously, has avoided leading to the fact the dangerous situation that strands in the bathroom because of misuse, will have extremely extensive market development prospect and use prospect on defending kitchen door field at present.

Description

What children and old man can use innovatively defends kitchen door lock

Technical field

The utility model relates to a kind of door lock.

Background technology

Along with the fast development of society, bathroom door and kitchen door all generally use special door and lockset, therefore present kitchen door lock of defending is that people every day must in the face of using, good lockset uses just can be handy, otherwise the property loss that door or lock damage will be caused, or bring misery and worry, the generation of the accident that even can cause casualties, perhaps how beyond thought trouble.

Because the kitchen door lock of defending used now is all the conventional lock adopted, in the middle of daily life use procedure, after people enter washroom, generally door is locked by the counter-lock switch that will rotate on interior handle plate, people outside avoiding rotates the outer handle on outer handle plate outside again, the door of washroom is opened, and when the people of washroom needs washroom, usually have forgotten and first open locking of counter-lock switch on interior handle plate, but directly go to hold handle in rotation, when the door and could not remembering of not opening first opens locking of counter-lock switch, ceaselessly will use in disorderly moving with sudden force and hold handle, hold handle in easily causing to be destroyed, even if interior holding after handle destroys is being remembered and is being opened locking of counter-lock switch to making the people of washroom, also door cannot be opened, therefore be often confined in washroom, only having cries for help knows using method people in outside first opens with emergency button outside and locks, door could be opened at inner rotary outer handle again, or inside and outside people cooperatively cooperation instrument door could be opened, therefore in daily life usually because many people's improper uses cause the dangerous situation being trapped in washroom at any time all in generation, occur that so dangerous situation is very general, use extremely inconvenience.

Often the situation that people can't get out in washroom can be run in rural area, because some other be by limit, Xiu Yuan dam, washroom, than how so-and-so family circle goes out to have gone to market, the neighbours around passed by one's way enter washroom at one's leisure, because having locked door when entering washroom, have forgotten again when preparing out first to open to lock in rotation again and hold handle enabling, she just moves handle with unrest with sudden force when swing handle is not opened and causes handle to destroy, just cannot use handle rotating opening bathroom door in washroom, go to market owing to meeting again, people have gone to market and cannot cry for help, in washroom, only wait until that its household goes to market when going home helps her to open the door, air starvation is closed again because washroom is small and dense, that people is trapped in washroom several hours, people is stranded fall in a swoon after, be not easy to Timeliness coverage, what to only have etc., and so-and-so or what so-and-so household go could find during washroom, last year, TV reported park, Chongqing, when visitor can't get out after entering washroom, the people of outside calls in security personnel and is just opened by door with instrument, when my work place also often runs into washroom, enter to lock and do not known how to open door people out, I hears the example of the stranded washroom of people being engaged in the people that sells and defend in the door process of kitchen and often touch and to be trapped at one's leisure in washroom and to cross washroom and Chang, have at any time, too numerous to enumerate.

Defend kitchen door lock due to the tradition used now and there is defect in serious design, along with the increasing fast of development high building at full speed, add the security door people that has been in constantly also to close, washroom all counter-locking a door are entered again because get used to, cause people usually cannot to seek help in stranded washroom the dangerous situation of neighbours, particularly old man, child, patient, the people of unconsciousness and do not have used people at home stranded washroom time, want exactly to seek help from the household outside family or firefighters, and the people in washroom must have the mobile phone of communication to cry for help, not so only wait in washroom that the people gone home rescues.If which kind of situation the people do not gone home for the moment can be again, the ward that many hospital patients are stayed in current life, hotel, many public areas such as dining room are also often that men and women shares same washroom, the people entering washroom will counter-locking a door, often appear in washroom door and the situation about can't get out of not opening, defend kitchen door lock due to tradition and there is major defect on project organization, in having become people to live one large very severe compromise, often bring serious burden to society, therefore traditional needs defended kitchen door lock and can not adapt to current people's life development, it is in the moment that must eliminate and has arrived, washroom all counter-locking a door are entered again because current people get used to, kitchen door lock is defended because of after counter-locking a door in order to eliminate tradition, long-term serious burden of causing to people and society, so just excite me to the research & design defending kitchen door lock, pass through my research and design repeatedly, amendment makes sample and Amending design repeatedly in person, finally the sample produced obtains successfully through repeatedly verifying.

Utility model content

For solving the problem, the utility model provides innovative that a kind of structure children simple and easy to use and old man can use and defends kitchen door lock.

The purpose of this utility model realizes by the following technical solutions, it comprises latch bolt, side's tongue, jam plate, latch bolt control lever and square tongue contiguous block, it is characterized in that: latch bolt control lever is L-shaped, latch bolt is hinged on the minor face of latch bolt control lever, the middle part on the long limit of latch bolt control lever is provided with slide block, the long limit trailer card of latch bolt control lever is being arranged on the guide pad on jam plate, on latch bolt control lever between guide pad and slide block, cover has back-moving spring, one end of back-moving spring is against on slide block, the other end of back-moving spring is against on the spacing shim that arranges on front side of guide pad, one end of the side's tongue side of being fixed on tongue contiguous block, side's tongue contiguous block is provided with guide finger and shifting block groove, shifting block groove matches with the shifting block of locking be arranged on jam plate, jam plate above square tongue contiguous block is provided with alignment pin, on alignment pin actively cover have can the poke rod that resets of the side of stirring tongue contiguous block,

Rotatingly on jam plate be provided with external lock rotating shaft, external lock rotating shaft is placed with rotating internal lock rotating shaft, being provided with on jam plate is positioned at the limited post of external lock rotating shaft side, external lock rotating shaft is overlapped intrinsic external lock shifting block, internal lock rotating shaft is overlapped intrinsic internal lock shifting block, external lock shifting block is provided with two external lock shift forks, one of them external lock shift fork is stuck in the lower end of slide block, another external lock shift fork is stuck on limited post, internal lock shifting block is provided with at least two internal lock shift forks, one of them internal lock shift fork is stuck in the upper end of slide block, another internal lock shift fork is stuck on limited post, a remaining internal lock shift fork matches with the upper end of the poke rod locking slide block, external lock rotating shaft and internal lock rotating shaft are provided with square through hole, square through hole in external lock rotating shaft is concentric with the square through hole in internal lock rotating shaft, square outer shifting shaft is provided with in the square through hole of external lock rotating shaft, be provided with in the square through hole of internal lock rotating shaft square in shifting shaft, one end of outer shifting shaft is positioned at the patchhole of outer handle rotating shaft, the other end of outer shifting shaft inserts in the hole of one end of square interior shifting shaft actively, the other end of square interior shifting shaft is positioned at the patchhole of handle rotating shaft, reach interior shifting shaft and the independent rotation between the two of outer shifting shaft does not interfere with each other.

The utility model is mainly applicable to not need on the door of use key locking, as bathroom door, during use, be fixed on again in bathroom door after jam plate being sealed up jam plate lid, after people enters washroom, visit in pass, rotate again and lock knob, locking shifting block rotation by locking knob drive, moving forward by locking the shifting block side of stirring tongue contiguous block, the side's of making tongue outwards moves in the lockhole on doorframe, realizes locking.The people locking rear outside rotates outer handle and then can not open bathroom door, if when the people in washroom needs out, directly can rotate interior handle makes square interior shifting shaft rotate simultaneously, square interior shifting shaft then drives internal lock axis of rotation, internal lock shifting block will rotate with internal lock rotating shaft, stir slide block on latch bolt control lever and poke rod by the internal lock shift fork on internal lock shifting block simultaneously, latch bolt control lever and square tongue contiguous block are moved simultaneously backward, thus lockhole latch bolt and square tongue exited simultaneously on doorframe, just can realize opening the door, people in washroom out time do not need to go again to rotate and once lock knob to open counter-lock switch, only need directly rotate interior handle, the state of locking that just can realize counter-lock switch easily is automatically untied and door is opened simultaneously, the people of the inside easily can open door, rotate outer handle the people of outdoor after locking and also can only make external lock axis of rotation, by the external lock shift fork slide block stirred on latch bolt control lever on external lock shifting block, latch bolt control lever is moved backward, latch bolt exits the lockhole on doorframe, and square tongue is equally also in lockhole, then door can not be opened, the people of outside can be prevented to be strayed into after door is locked, improve the convenience used, be particularly suitable for old man, child, patient, the people of unconsciousness and do not have used people, be born with due to people sky and rotate the natural reaction of handle downwards, therefore, really reach everybody not learn and directly can rotate interior handle to open by the door locked because of natural reaction, avoid to cause because of improper use and be trapped in the dangerous situation of washroom, significantly improve the safety of use, flexibility, convenience.

Owing to have employed technique scheme, the utility model has structure advantage simple and easy to use, only need directly rotate interior handle, the state of locking that just can realize counter-lock switch is automatically untied and door is opened simultaneously, the people of the inside easily can open door, and the people of outside can not open, be particularly suitable for old man, child, the people of patient and unconsciousness, there is no used people, really reach everybody not learn and directly can rotate the object that interior handle opens the door locked, avoid to cause because of improper use and be trapped in the dangerous situation of washroom, significantly improve the safety of use, flexibility and convenience, market development prospect extremely widely and prospect of the application will be had defending at present on door field, kitchen.

Accompanying drawing explanation

Accompanying drawing of the present utility model is described as follows.

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

Fig. 2 locks state reference map in Fig. 1.

Fig. 3 is the first structural representation that in the utility model, external lock rotating shaft matches with internal lock rotating shaft.

Fig. 4 is the structural representation of internal lock rotating shaft in Fig. 3.

Fig. 5 is the left view of Fig. 4.

Fig. 6 is the right view of Fig. 4.

Fig. 7 is the structural representation of external lock rotating shaft in Fig. 3.

Fig. 8 is the left view of Fig. 7.

Fig. 9 is the right view of Fig. 7.

Figure 10 is the second structural representation that in the utility model, external lock rotating shaft matches with internal lock rotating shaft.

Figure 11 is the structural representation of internal lock rotating shaft in Figure 10.

Figure 12 is the left view of Figure 11.

Figure 13 is the right view of Figure 11.

Figure 14 is the structural representation of external lock rotating shaft in Figure 10.

Figure 15 is the left view of Figure 14.

Figure 16 is the right view of Figure 14.

Figure 17 is the relation schematic diagram in the utility model between latch bolt and latch bolt control lever.

Figure 18 is the first A direction view in Figure 17.

Figure 19 is the second A direction view in Figure 17.

Figure 20 is the first structural representation of external lock shifting block in the utility model.

Figure 21 is the second structural representation of external lock shifting block in the utility model.

Figure 22 is the third structural representation of external lock shifting block in the utility model.

Figure 23 is the 4th kind of structural representation of external lock shifting block in the utility model.

Figure 24 is the 5th kind of structural representation of external lock shifting block in the utility model.

Figure 25 is the 6th kind of structural representation of external lock shifting block in the utility model.

Figure 26 is the first structural representation of internal lock shifting block in the utility model.

Figure 27 is the second structural representation of internal lock shifting block in the utility model.

Figure 28 is the third structural representation of internal lock shifting block in the utility model.

Figure 29 is the 4th kind of structural representation of internal lock shifting block in the utility model.

Figure 30 is the 5th kind of structural representation of internal lock shifting block in the utility model.

Figure 31 is the 6th kind of structural representation of internal lock shifting block in the utility model.

Figure 32 is the structural representation (medial surface) of jam plate.

Figure 33 is a kind of structural representation (medial surface) of lock cap.

Figure 34 is the another kind of structural representation (medial surface) of lock cap.

Detailed description of the invention

The technological means realized to make the utility model, creation characteristic, reaching object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the utility model being further elaborated.

As shown in Fig. 1-34, the utility model comprises latch bolt 1, side's tongue 2, jam plate 3, latch bolt control lever 4 and square tongue contiguous block 5, it is characterized in that: latch bolt control lever 4 is L-shaped, latch bolt 1 is hinged on the minor face of latch bolt control lever 4, the middle part on the long limit of latch bolt control lever 4 is provided with slide block 4-1, the long limit trailer card of latch bolt control lever 4 to be arranged on the guide pad on jam plate on 6, latch bolt control lever 4 between guide pad 6 and slide block 4-1 overlaps and has back-moving spring 7, one end of back-moving spring 7 is against on slide block 4-1, the other end of back-moving spring 7 is against on the spacing shim 6-1 of setting on front side of guide pad 6, one end of side's tongue 2 side of being fixed on tongue contiguous block 5, side's tongue contiguous block 5 is provided with guide finger 8 and shifting block groove 9, shifting block groove 9 matches with the shifting block 10 of locking be arranged on jam plate 3, jam plate 3 above square tongue contiguous block 5 is provided with alignment pin 11, on alignment pin 11 actively cover have can the poke rod 12 that resets of the side of stirring tongue contiguous block 5,

Rotatingly on jam plate 3 be provided with external lock rotating shaft 13, external lock rotating shaft 13 is placed with rotating internal lock rotating shaft 14, being provided with on jam plate is positioned at the limited post 28 of external lock rotating shaft side, external lock rotating shaft 13 is overlapped intrinsic external lock shifting block 15, internal lock rotating shaft 14 is overlapped intrinsic internal lock shifting block 16, external lock shifting block 15 can be provided with two external lock shift forks 17, one of them external lock shift fork is stuck in the lower end of slide block 4-1, another external lock shift fork is stuck on limited post 28, internal lock shifting block 16 can arrange at least two internal lock shift forks 18, one of them internal lock shift fork is stuck in the upper end of slide block 4-1, another internal lock shift fork is stuck on limited post 28, remain an internal lock shift fork to match with the upper end of poke rod 12, external lock rotating shaft 13 and internal lock rotating shaft 14 are provided with through hole 19, through hole in external lock rotating shaft 13 is concentric with the through hole in internal lock rotating shaft 14, outer shifting shaft 20 is provided with in the through hole of external lock rotating shaft 13, interior shifting shaft 21 is provided with in the through hole of internal lock rotating shaft 14, one end of outer shifting shaft 20 is positioned at the patchhole of outer handle rotating shaft, the other end of outer shifting shaft 20 inserts in the patchhole of one end of interior shifting shaft 21 actively, and ensure that outer shifting shaft 20 inserts in the through hole of external lock rotating shaft, the partial shape that outer shifting shaft 20 is positioned at the through hole in external lock rotating shaft 13 matches with shape of through holes the effect reaching and drive and rotate, one end of interior shifting shaft 21 is inserted in the through hole of internal lock rotating shaft 14, and the other end is positioned at the patchhole of handle rotating shaft, reach interior shifting shaft and the independent rotation between the two of outer shifting shaft does not interfere with each other.

As three internal lock shift forks 18 can be arranged on internal lock shifting block 16.

As shown in figure 25, external lock shifting block 15 can arrange an external lock shift fork 17, as shown in figure 31, internal lock shifting block 16 can be arranged two internal lock shift forks 18.

The utility model China and foreign countries' shifting shaft and interior shifting shaft also can be designed to rectangle, other shape of triangle or multiple tooth etc., as long as but assemble can play identical toggle action with the incompatible production of matching form of the shape of through holes of internal lock rotating shaft, external lock rotating shaft and the patchhole of interior handle and outer handle rotating shaft.

Can match with locking shifting block in the bottom of poke rod 12; Or match with the boss that square tongue contiguous block 5 is arranged in the bottom of poke rod 12, or the bottom of poke rod with lock the boss that shifting block and square tongue contiguous block are arranged and match simultaneously.

External lock rotating shaft 13 can arrange square chuck, as shown in figure 20, external lock shifting block 15 is provided with the square hole clipping matched with square chuck, is clamped in square chuck by square hole clipping.As shown in figure 21, external lock shifting block 15 is provided with multiple teeth groove, is matched with the tooth that external lock rotating shaft 13 is arranged by teeth groove, realize clamping.As shown in figure 22, external lock shifting block 15 is provided with equilateral polygon slotted eye, is matched with the polygon platform that external lock rotating shaft 13 is arranged by polygon slotted eye, realize clamping.As shown in figure 23, external lock shifting block 15 is provided with circular hole, circular hole wall epirelief goes out chuck, and the draw-in groove being positioned at setting in external lock rotating shaft 13 by protruding chuck matches, and realizes clamping.As shown in figure 24, external lock shifting block 15 also can be provided with unequal-sided polygon slotted eye.As shown in figure 25, external lock shifting block 15 is provided with circular hole, circular hole wall is provided with inner groovy.Certainly, the matching relationship between external lock shifting block 15 and external lock rotating shaft 13 also can adopt other form of structure.In like manner, cover between internal lock rotating shaft 14 and internal lock shifting block 16 can adopt the structure arranged on internal lock shifting block 16 with boss or groove on square hole clipping, teeth groove, polygon slotted eye and circular hole as shown in Figure 26-31 admittedly, and the matching relationship between internal lock shifting block 16 and internal lock rotating shaft 14 also can adopt other form of structure.

The utility model is mainly applicable to not need on the door of use key locking, as bathroom door, during use, be fixed on again in bathroom door, after people enters washroom after jam plate 3 is sealed up jam plate lid, visit in pass, rotate again and lock knob, locking shifting block rotation by locking knob drive, moving forward by locking the shifting block side of stirring tongue contiguous block, the side's of making tongue outwards moves in the lockhole on doorframe, realizes locking.The people locking rear outside rotates outer handle and then can not open bathroom door, if when the people in washroom needs out, directly can rotate interior handle makes square interior shifting shaft rotate simultaneously, square interior shifting shaft then drives internal lock axis of rotation, internal lock shifting block will rotate with internal lock rotating shaft, stir slide block on latch bolt control lever and poke rod by the internal lock shift fork on internal lock shifting block simultaneously, poke rod is stirred and is locked shifting block, make to lock the shifting block side's of stirring tongue contiguous block simultaneously, latch bolt control lever and square tongue contiguous block are moved simultaneously backward, thus lockhole latch bolt and square tongue exited simultaneously on doorframe, just can realize opening the door, people in washroom out time do not need to go again to rotate and once lock knob to open counter-lock switch, only need directly rotate interior handle, the state of locking that just can realize counter-lock switch easily is automatically untied and door is opened simultaneously, the people of the inside easily can open door, rotate outer handle the people of outdoor after locking and also can only make external lock axis of rotation, by the external lock shift fork slide block stirred on latch bolt control lever on external lock shifting block, latch bolt control lever is moved backward, latch bolt exits the lockhole on doorframe, and square tongue is equally also in lockhole, then door can not be opened, the people of outside can be prevented to be strayed into after door is locked, improve the convenience used, be particularly suitable for old man, child, patient, the people of unconsciousness and do not have used people, be born with due to people sky and rotate the natural reaction of handle downwards, therefore, really reach everybody not learn and can directly rotate interior handle to open by the door locked because of natural reaction, avoid to cause because of improper use and be trapped in the dangerous situation of washroom, significantly improve the safety of use, flexibility, convenience.Locking knob is arranged on an inner side handle plate by locking installation shaft, lock shifting block and lock shifting block axle in one, lock in shifting block axle to be inserted with to lock and stir pin, lock the one end of stirring pin and lock installation shaft and match, lock the other end stirring pin to match with answering switch for locking axle, emergency button axle connects emergency button, and emergency button is then arranged on the outer handle plate of outer side of door.

Because latch bolt is hinged on latch bolt control lever 4, if right inclined tongue of lock is revolved turnback, internal lock shifting block 16 is installed with the switch of external lock shifting block 15, just can realize right lock and become left lock, in like manner also left lock can be become right lock.Internal lock rotating shaft and external lock rotating shaft can exchange installation, and interior shifting shaft and outer shifting shaft also can exchange function and the result of use that installation all can not affect lockset.

As shown in figs. 3-10, internal lock rotating shaft 14 is rotatingly like this placed in external lock rotating shaft 13: on the end face that internal lock rotating shaft 14 contacts with external lock rotating shaft 13, be provided with round boss 22, the via hole 37 that one end that round boss 22 is provided with outer shifting shaft 20 can be passed, external lock rotating shaft 13 is provided with the circular accommodation hole 23 matched with round boss 22, round boss 22 is positioned at circular accommodation hole 23 actively, reaches internal lock rotating shaft and external lock rotating shaft independent rotation does not between the two interfere with each other.

Round boss in internal lock rotating shaft can rotate in the circular accommodation hole of external lock rotating shaft, the independent rotation that can realize internal lock rotating shaft and external lock rotating shaft does not interfere with each other, easy to use, certainly, circular accommodation hole also can be arranged in internal lock rotating shaft, round boss is arranged in external lock rotating shaft, can reach result of use equally.

As shown in Fig. 3,10, the end being positioned at the shifting shaft 16 of the patchhole of handle rotating shaft can be provided with positioning round boss 24, and on positioning round boss 24, cover has spring 25, and the other end of spring 25 is against in the inner end wall of the patchhole of interior handle rotating shaft; The end being positioned at the outer shifting shaft 20 of the patchhole of outer handle rotating shaft can be provided with cover spring post 26, and on cover spring post 26, cover has support spring 27, and the other end of support spring 27 is against in the inner end wall of the patchhole of outer handle rotating shaft.

Square interior shifting shaft by spring supporting in the patchhole of interior handle rotating shaft, the square through hole that can prevent square interior shifting shaft from deviating from internal lock rotating shaft is subjected to displacement, ensure the reliability used, outer shifting shaft is supported in the patchhole of outer handle rotating shaft by support spring, the square through hole that can prevent outer shifting shaft from deviating from external lock rotating shaft is subjected to displacement, and ensures the reliability used.One end of spring 25 can be fastened on positioning round boss 24, one end of support spring 27 also can be fastened on cover spring post 26, the support spring landing on spring on positioning round boss 24 and cover spring post 26 can be prevented, ensure to use the convenience of installing and reliability.Can not want positioning round boss 24 and cover spring post 26, can interior shifting shaft 21 and outer shifting shaft 20 be prevented to be shifted under the effect of spring 25 and support spring 27, reach the reliability of use equally yet.

When outer shifting shaft and interior shifting shaft are designed to other shape, the shape of through holes of internal lock rotating shaft and external lock rotating shaft and hold handle and the interior patchhole held in handle rotating shaft outward shape with the incompatible production of the matching form of inside and outside shifting shaft and assemble time can reach result of use equally; Side's tongue also can design and be produced into round tongue or other shape, and latch bolt also has multiple design production shape, can reach the same result of use equally.

As shown in figs. 3-9, location chuck 29 and shifting block chuck 30 is respectively arranged with at the installation end of external lock rotating shaft 13 and internal lock rotating shaft 14, location chuck 29 in external lock rotating shaft 13 and internal lock rotating shaft 14 is positioned at the front of shifting block chuck 30, location chuck in external lock rotating shaft 13 matches with the rotating shaft installing hole be arranged on jam plate, external lock shifting block 15 is enclosed within the shifting block chuck of external lock rotating shaft 13, location chuck in internal lock rotating shaft 14 be arranged on the rotating shaft installing hole that jam plate covers and match, internal lock shifting block 16 is enclosed within the shifting block chuck of internal lock rotating shaft.The two ends of the rotating shaft formed after external lock rotating shaft coordinates with internal lock rotating shaft are set with external lock shifting block and internal lock shifting block, to facilitate installation.The latch bolt control lever of the structure as Figure 18 is applicable to after the external lock shifting block of this structure and internal lock shifting block are set with.

As shown in Figure 10-16, in the shifting block location chuck 31 that the rear side that internal lock shifting block 16 is enclosed within internal lock rotating shaft round boss 22 is arranged, shifting block location chuck 31 is positioned at the rear side of round boss 22, the shifting block chuck that the external surface that external lock shifting block 15 is enclosed within the position in the external lock rotating shaft of circular accommodation hole place is arranged.External lock shifting block is set with in the middle part of the rotating shaft that formed and internal lock shifting block leans on nearer, to facilitate installation after external lock rotating shaft coordinates with internal lock rotating shaft.The latch bolt control lever as structure in Figure 19 is applicable to after the external lock shifting block of this structure and internal lock shifting block are set with.

As shown in figure 19, the bar shaped slot to make way 32 being convenient to the movement separately of external lock shift fork and internal lock shift fork is provided with on the long limit of latch bolt control lever.The external lock shifting block be set with in the middle part of the rotating shaft that conveniently external lock rotating shaft is formed after coordinating with internal lock rotating shaft and the independent movement of internal lock shifting block in bar shaped slot to make way 32, prevent to interfere.

As illustrated in figs. 32-34, jam plate 3 is connected with lock cap 33, jam plate 3 is provided with the stopper slot 34 lower end of slide block 4-1 being carried out to guide and limit, lock cap 33 is also provided with the groove 35 upper end of slide block 4-1 being carried out to guide and limit.Stopper slot 34 and groove 35 can carry out guide and limit to slide block 4-1, can prevent again slide block 4-1 stir or return time misplace.And can prevent external lock shifting block and internal lock shifting block from occurring abnormal conditions when stirring.

As shown in figure 32, jam plate 3 carries out the bar shape trench hole 36 of guide and limit to guide finger 8.Bar shape trench hole 36 makes guide finger 8 move linearly, and prevents square tongue contiguous block 5 in the process of stirring from position skew occurring.Lock cap 33 also can arrange the bar-shaped trough symmetrical with the bar shape trench hole 36 on jam plate 3.As shown in figure 34, lock cap 33 can be one piece of smooth cover plate, and directly cover and form lock box in jam plate 3 upper end, as shown in figure 33, lock cap 33 also can adopt head face hump, and the end face of lock cap 33 and the end contact of jam plate 3 form lock box.Jam plate 3 and lock cap 33 according to circumstances match and produce in actual production.

Side's tongue contiguous block is provided with boss 37.Boss may be used for the poke rod side of stirring tongue and resets.

The outline of interior shifting shaft and outer shifting shaft can be circle, polygon or other shape, and polygon can adopt triangle.

In sum, the utility model project organization is novel, install simple and convenient, use nimbly and freely, use safety, ensure personal safety and the property loss of people, decrease the burden brought to society, to defend on the door lock of kitchen that design is in history upper revolutionaryly greatly successfully to be broken through, completely eliminate tradition and defend the very severe compromise that kitchen door lock exists in decades, there is epoch-making meaning defending in the door lock history of kitchen, my design defend kitchen door lock once the conventional lock of will thoroughly get for employing decades and exist very severe compromise always that emerges, it uses very extensive, there is wide market development prospect, very easily accepted by consumers in general, it will be come out top defending door lock field, kitchen, broad masses of the people will be benefited, for positive contribution is made in social progress.

The utility model preferred embodiment is only described in upper; not in order to limit the utility model; this know-why is applicable to the jam plate producing the various principle shapes that various shape lock body matches with it; and each component can produce many shapes; as long as cooperatively interact to produce and be equipped with and can reach the same result of use; be not limited only to structure chart provided by the utility model; every within spirit of the present utility model and principle; any amendment of doing; equivalent replacement; improve etc., all should be included within protection domain of the present utility model.

Claims (10)

1. what children and old man can use innovatively defends kitchen door lock, comprise latch bolt, side's tongue, jam plate, latch bolt control lever and square tongue contiguous block, it is characterized in that: latch bolt control lever is L-shaped, latch bolt is hinged on the minor face of latch bolt control lever, the middle part on the long limit of latch bolt control lever is provided with slide block, the long limit trailer card of latch bolt control lever is being arranged on the guide pad on jam plate, on latch bolt control lever between guide pad and slide block, cover has back-moving spring, one end of back-moving spring is against on slide block, the other end of back-moving spring is against on the spacing shim that arranges on front side of guide pad, one end of the side's tongue side of being fixed on tongue contiguous block, side's tongue contiguous block is provided with guide finger and shifting block groove, shifting block groove matches with the shifting block of locking be arranged on jam plate, jam plate above square tongue contiguous block is provided with alignment pin, on alignment pin actively cover have can the poke rod that resets of the side of stirring tongue contiguous block,

Rotatingly on jam plate be provided with external lock rotating shaft, external lock rotating shaft is placed with rotating internal lock rotating shaft, being provided with on jam plate is positioned at the limited post of external lock rotating shaft side, external lock rotating shaft is overlapped intrinsic external lock shifting block, internal lock rotating shaft is overlapped intrinsic internal lock shifting block, external lock shifting block is provided with external lock shift fork, external lock shift fork is stuck in the lower end of slide block, internal lock shifting block is provided with at least two internal lock shift forks, one of them internal lock shift fork is stuck in the upper end of slide block, another internal lock shift fork matches with the upper end of the poke rod locking slide block, external lock rotating shaft and internal lock rotating shaft are provided with through hole, through hole in external lock rotating shaft is concentric with the through hole in internal lock rotating shaft, outer shifting shaft is provided with in the through hole of external lock rotating shaft, interior shifting shaft is provided with in the through hole of internal lock rotating shaft, one end of outer shifting shaft is positioned at the patchhole of outer handle rotating shaft, the other end of outer shifting shaft inserts in the hole of one end of interior shifting shaft actively, the other end of interior shifting shaft is positioned at the patchhole of handle rotating shaft, reach interior shifting shaft and the independent rotation between the two of outer shifting shaft does not interfere with each other.

2. what children as claimed in claim 1 and old man can use innovatively defends kitchen door lock, it is characterized in that internal lock rotating shaft is rotatingly like this placed in external lock rotating shaft: on the end face of internal lock rotating shaft and external lock shaft contacts, be provided with round boss, round boss is provided with the via hole that outer shifting shaft can pass, external lock rotating shaft is provided with the circular accommodation hole matched with round boss, round boss is positioned at circular accommodation hole actively, reaches internal lock rotating shaft and external lock rotating shaft independent rotation between the two.

3. what children as claimed in claim 1 or 2 and old man can use innovatively defends kitchen door lock, it is characterized in that: the end being positioned at the shifting shaft of the patchhole of handle rotating shaft is provided with positioning table, on positioning table, cover has spring, and the other end of spring is against in the inner end wall of the patchhole of interior handle rotating shaft; The end being positioned at the outer shifting shaft of the patchhole of outer handle rotating shaft is provided with cover spring post, and on cover spring post, cover has support spring, and the other end of support spring is against in the inner end wall of the patchhole of outer handle rotating shaft.

4. what children as claimed in claim 2 and old man can use innovatively defends kitchen door lock, it is characterized in that: be respectively arranged with location chuck and shifting block chuck at the installation end of external lock rotating shaft and internal lock rotating shaft, location chuck in external lock rotating shaft and internal lock rotating shaft is positioned at the front of shifting block chuck, location chuck in external lock rotating shaft matches with the rotating shaft installing hole be arranged on jam plate, external lock shifting block is enclosed within the shifting block chuck of external lock rotating shaft, location chuck in internal lock rotating shaft be arranged on the rotating shaft installing hole that jam plate covers and match, internal lock shifting block is enclosed within the shifting block chuck of internal lock rotating shaft.

5. what children as claimed in claim 4 and old man can use innovatively defends kitchen door lock, it is characterized in that: internal lock shifting block is enclosed within the shifting block that internal lock rotating shaft is arranged and locates in chuck, shifting block location chuck is positioned at the rear side of round boss, the shifting block chuck that the external surface that external lock shifting block is enclosed within the position in the external lock rotating shaft of circular accommodation hole place is arranged.

6. what children as claimed in claim 5 and old man can use innovatively defends kitchen door lock, it is characterized in that: be provided with the bar shaped slot to make way being convenient to the movement separately of external lock shift fork and internal lock shift fork on the long limit of latch bolt control lever.

7. what the children as described in claim 4,5 or 6 and old man can use innovatively defends kitchen door lock, it is characterized in that: on jam plate, be connected with lock cap, jam plate is provided with the stopper slot lower end of slide block being carried out to guide and limit, lock cap is provided with the groove upper end of slide block being carried out to guide and limit.

8. what children as claimed in claim 7 and old man can use innovatively defends kitchen door lock, it is characterized in that: bar shape trench hole guide finger being carried out to guide and limit on jam plate.

9. what children as claimed in claim 8 and old man can use innovatively defends kitchen door lock, it is characterized in that: square tongue contiguous block is provided with boss.

10. what children as claimed in claim 8 and old man can use innovatively defends kitchen door lock, it is characterized in that: the outline of interior shifting shaft and outer shifting shaft is circular or polygon.