CN203821966U - Inserting core lock body - Google Patents

Abstract

The utility model relates to an inserting core lock body. The inserting core lock body comprises a lock case (32) and a lock body side panel (9). A latch bolt module, a dead-bolt module, a dark bolt module and a heaven and earth rod are arranged in the lock case (32). The latch bolt module, the dead-bolt module and the dark bolt module are sequentially arranged along the lock body side panel (9) and extend into or retract to the lock body side panel (9) along with the locking and unlocking of the inserting core lock body, and the dead-bolt module is connected with the heaven and earth rod by means of a dead-bolt pin. A handle driving plate module is arranged between the latch bolt module and the dead-bolt module. According to the inserting core lock body, on one hand, functions of outdoor self-lifting locking and indoor quick locking and unlocking can be performed conveniently, on the other hand, reversing of the lock cylinder lock body can be performed simply, and compared with traditional lock bodies, the inserting core lock body has obvious technical effects.

Description

Mortise lock body

Technical field

The utility model relates to a kind of mortise lock body.More particularly, the utility model relate to a kind of can outdoors from putting on lock, rapid is unblanked in door commutation mortise lock body.

Background technology

At present at home and in the theftproof lock that uses of public place, conventionally need to be by key rotation lock core multi-turn so that the square tongue of theftproof lock stretch out, thereby realize locking function.When user is during at door drawback lock, need first the tongue at night of theftproof lock to be regained, and then the side's of withdrawal tongue and latch bolt, could realize the object of a drawback lock.This has brought inconvenience to user.Especially when running into the accidents such as fire, not only needing takes time looks for key, and also needing takes time unblanks.This will become the hidden danger of theftproof lock, can not meet the demand of user's safety exit.In addition, some old men have the custom of locking in door, and the step of locking in the door of conventional lock is very complicated, very inconvenience for old man.Such conventional lock can not adapt to the demand that market changes day by day.

In existing insertion-core lock, from key thumb wheel to latch bolt transmission device, its structure is more complicated all generally, and need higher machining accuracy, and the cost of production of Zhe Gei factory is controlled and production assurance has brought certain difficulty.

In addition,, in the mortise lock body of existing rapid and key unlatching, seldom have the Men Neimen lock body of outer exchange function is provided.Therefore, this kind of existing mortise lock body can only adapt to the demand of one direction switch gate, and cannot be applied to needs in the place of the outer exchange function of Men Neimen.

Therefore, need at present a kind of can outdoors from putting on lock, rapid is unblanked in door mortise lock body.In addition, if this mortise lock body can be realized Men Neimen outer exchange function, better meeting the market requirement easily.

Utility model content

The purpose of this utility model be to provide a kind of can be outdoors from the mortise lock body of putting on lock, rapid is unblanked in door.

Another object of the present utility model is to provide a kind of can provide the Men Neimen mortise lock body of outer exchange function.

Mortise lock body of the present utility model comprises lock housing and lock body side panel, lock housing inside can be provided with latch bolt assembly, square tongue assembly, night tongue assembly and universe rod, latch bolt assembly, square tongue assembly and night tongue assembly along lock body side panel, arrange successively, and with closing and the unlatching lock body side panel that stretches into or retract of mortise lock body, side's tongue assembly is associated with universe rod by square tongue pin, wherein, in the centre of latch bolt assembly and square tongue assembly, be provided with handle and drive board component.

Preferably, latch bolt assembly can comprise that latch bolt, oblique tongue rod, latch bolt keeper and latch bolt drive plate, one end of oblique tongue rod is connected with latch bolt by commutation screw, and cover has latch bolt back-moving spring and plate back-moving spring, the other end place of oblique tongue rod is connected with latch bolt keeper, and latch bolt assembly drives plate and handle to drive board component to be associated by latch bolt.

In above-mentioned example, latch bolt drives plate can have concentric annular structure, and handle is driven to board component move through the latch bolt driver plate side of being sent to tongue assembly, one end of latch bolt driver plate is enclosed within latch bolt and drives on plate, its gathering sill is enclosed within on latch bolt limited post.

Preferably, square tongue assembly also can the side's of comprising tongue, square hyoplastron and knob drive plate, and square tongue consists of the flat ligulate post of at least one round belt, the square tongue pin side of being riveted on hyoplastron, and the below of square hyoplastron is provided with knob and drives plate.

In above-mentioned example, knob drives plate can comprise that knob drives plate front boss, knob to drive boss in the middle of plate, knob to drive the right boss of plate, knob to drive hook and knob on plate to drive hook under plate, knob drives the middle boss of plate to be arranged in lock housing, and insert in the square hyoplastron gathering sill on the side's of being formed on hyoplastron, knob drives plate front boss to embed in the square hyoplastron skewed slot on the side's of being formed on hyoplastron.

Preferably, handle drives board component can comprise that handle drives plate and the outer plate of handle in plate, handle, and in handle, the outer plate of plate and handle is arranged on the inside and outside both sides that handle drives plate interchangeably.

In above-mentioned example, handle drives plate to comprise that handle drives cylinder on plate, handle drives the right push pedal of plate, handle drives plate front boss, on handle drive plate, hook and handle drive hook under plate, on a surface of handle drive plate, offering handle drives plate the first outer channel and handle to drive plate the second outer channel, and on another apparent surface of handle drive plate, offering handle drives plate the first internal channel and handle to drive plate the second internal channel, wherein, the structure of handle drive plate the first outer channel and handle drive plate the first internal channel can be symmetrical, the structure of handle drive plate the second outer channel and handle drive plate the second internal channel can be symmetrical.

Preferably, night tongue assembly can comprise tongue at night, night tongue handle, handle tongue at night slurcam, the moving plate of lingual ribbon at night and night hyoplastron, the moving plate of lingual ribbon at night makes night tongue stretch out or retract by its rotation, handle tongue at night slurcam be enclosed within be riveted on lock housing driver plate limited post and night tongue limited post, night, one end cover of tongue handle had tongue back-moving spring at night, with by night tongue handle insert handle tongue at night slurcam.

In any one example in above-mentioned example, in the lock core position of lock housing, also can be provided with special-shaped thumb wheel.

Mortise lock body of the present utility model is realized several functions by lower array structure:

(1) handle drives plate and knob to drive plate by coordinating transmission, can realize from putting on lock, pressing down the function of unblanking.

(2), due on the latch bolt driver plate side of being arranged on hyoplastron, by rotating key, can open rapidly latch bolt.Because the thick end of the scroll and the thin end of the scroll are arranged on universe rod limited post and square hyoplastron, when press down and on when lifting handle or rotating key, can make universe rod stretch out and indentation.Because handle tongue at night driver plate is arranged in lock housing, press down handle driving member and can realize a key open function, square tongue, latch bolt, universe rod and night tongue retract so that the function that security door is opened simultaneously.

(3) by till changing the commutation screw of latch bolt assembly and exchanging the installation of plate and the outer plate of handle in the handle that handle drives board component, can realize the function of convenient commutation.

Therefore, mortise lock body of the present utility model can be conveniently implemented on the one hand outdoors from the function of putting on lock, rapid is unblanked in door, can carry out in simple mode the commutation of lock core lock body on the other hand, compare and there is significant technique effect with traditional lock body.

Accompanying drawing explanation

In order to further illustrate structure and the operating principle thereof of mortise lock body of the present utility model, below in conjunction with the drawings and specific embodiments, the utility model is elaborated, wherein:

Fig. 1 is the perspective view of mortise lock body of the present utility model, and wherein the lock box cover of lock body is omitted, to be clearly shown that the internal construction of mortise lock body;

Fig. 2 is the schematic diagram of mortise lock body in unlocking condition;

Fig. 3 is the schematic diagram of mortise lock body in locking state;

Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram that the handle of the mortise lock body seen the other way around drives board component;

Fig. 5 be respectively the square tongue assembly of mortise lock body when retracting and stretching out with the interactional schematic diagram of knob drive plate.

Reference numeral

The specific embodiment

Preferred embodiment and the operating principle thereof of mortise lock body of the present utility model are described below with reference to accompanying drawing.

Mortise lock body of the present utility model can be realized outdoors from putting on lock, in door, rapid is unblanked and the function of convenient commutation, below in conjunction with mortise lock body each several part structure, is described one by one.

Mortise lock body of the present utility model mainly comprises lock housing 32 and lock body side panel 9.For clarity sake, in Fig. 1, removed lock box cover, to be clearly shown that the internal construction of lock housing.The internal construction of lock housing 32 mainly by latch bolt assembly, square tongue assembly, night tongue assembly, handle drive board component and universe rod to form.As shown in Figure 1, latch bolt assembly, square tongue assembly and night tongue assembly along lock body side panel 9 successively arranged from top to bottom.On lock body side panel 9, offer and latch bolt assembly, square tongue assembly and the corresponding opening of tongue module position at night, for latch bolt 1, square tongue 3 and night tongue 7 stretch into or retract.Handle drives board component to be arranged between latch bolt assembly and square tongue assembly.Universe rod comprises the thick end of the scroll 31 and the thin end of the scroll 10, and they are slidably connected with square tongue assembly by square tongue pin 2 respectively, and limits its range of movement by universe rod limited post 6.

Latch bolt assembly comprises that latch bolt 1, oblique tongue rod 26, latch bolt keeper 27, latch bolt drive plate 28 and latch bolt fixture 30.In oblique tongue rod 26, be inserted in latch bolt 1, and be fixed together with commutation screw 37.On lock body side panel 9, offer the latch bolt opening corresponding with latch bolt 1 position.When latch bolt 1 enters or exit latch bolt opening, latch bolt assembly and lock body side panel 9 form locking or unlatching relation.In lock housing 32, riveted joint has latch bolt fixture 30, and latch bolt assembly is being placed in lock housing 32 by this latch bolt fixture 30 through after lock body side panel 9.On oblique tongue rod 26, along the direction away from lock body side panel 9, be furnished with successively latch bolt back-moving spring 33, pad 29 and plate back-moving spring 34, they are all through on oblique tongue rod 26.In the riveted joint of the tail end place of oblique tongue rod 26, have latch bolt keeper 27, latch bolt keeper 27 can slide in the square groove of lock housing 32.

The side's tongue assembly side of comprising tongue 3, square hyoplastron 19 and knob drive plate 20.Side's tongue 3 consists of three flat ligulate posts of round belt, and on the side's of being riveted to hyoplastron 19.On lock body side panel 9, offer the square tongue opening corresponding with square tongue 3 positions.When square tongue 3 enters or during the side's of exiting tongue opening, square tongue assembly and lock body side panel 9 form locking or unlatching relations.Certainly, for the ordinary person of the art, the quantity of tongue and shape can change arbitrarily in known scope, and this all will drop in protection domain of the present utility model.

On side's hyoplastron 19, riveted joint has two square tongue pins 2 and a latch bolt limited post 5.The thick end of the scroll 31 and the thin end of the scroll 10 connect with square tongue assembly slidably by the square tongue pin 2 sliding in square hyoplastron skewed slot 19a respectively.Below square hyoplastron 19, be provided with knob and drive plate 20.As shown in Figure 5 A and 5B, knob drives plate 20 in its front portion, to be provided with front boss 20a, to be partly provided with middle boss 20b therebetween, to be arranged with right boss 20c in its right side, in its left part, to be provided with hook 20d and lower hook 20e.Knob drives the middle boss 20b of plate to be arranged in the circular hole of lock housing 32, and knob is driven in the plate front boss 20a side of embedding hyoplastron skewed slot 19a.Knob drives in the middle boss 20b side of the insertion hyoplastron gathering sill 19b of plate.When knob drives plate 20 to rotate, knob drives plate front boss 20a to slide in square hyoplastron skewed slot 19a, and the side's of driving tongue 3 puts in or retracts in lock body side panel 9.

In the centre of latch bolt assembly and square tongue assembly, be provided with handle and drive board component.As shown in Figure 4, handle drives board component to comprise that handle drives plate 24 and the outer plate 25 of handle in plate 23, handle.Handle drives plate 23 to comprise that the handle on surface disposed thereon drives cylinder 23a on plate, outstanding handle drives the right push pedal 23b of plate, at its anterior outstanding handle, drives plate front boss 23c from its right side, the handle that is arranged on its left side drives hook 23d and handle plate to drive hook 23e under plate.On a surface of handle drive plate 23, offering handle drives plate the first outer channel 23f1 and handle to drive plate the second outer channel 23g1, and on another apparent surface of handle drive plate 23, offering handle drives plate the first internal channel 23f2 and handle to drive plate the second internal channel 23g2, wherein, it is symmetrical that handle drives plate the first outer channel 23f1 and handle to drive the structure of plate the first internal channel 23f2, and the structure of handle drive plate the second outer channel 23g1 and handle drive plate the second internal channel 23g2 is also symmetrical.

In handle, the outer plate 25 of plate 24 and handle is arranged on the inside and outside both sides that handle drives plate 23 interchangeably with one heart, and its center is the position that door handle is installed.Plate 24 comprises in the handle that is arranged on plate 24 left sides, right side and front side in handle in the left boss 24a of plate, handle plate front boss 24c in the right boss 24b of plate and handle in handle, and plane of rotation 24e under plate in plane of rotation 24d, handle in plate in handle.The outer plate 25 of handle comprises the outer plate convex platform 25b of handle and the outer plate lower convex platform 25a of handle that is arranged on the outer plate of handle 25 above and belows, and plane of rotation 25d under plane of rotation 25c, the outer plate of handle in the outer plate of handle.

The outer plate 25 of handle is placed in the handle installing hole of lock housing 32, and the upper plane of rotation 25c of the outer plate 25 of handle and the inwall of lock housing 32 are adjacent to.Handle drives plate 23 to be placed in the outer plate 25 of handle, and wherein, the outer plate lower convex platform 25a of handle is positioned at handle and drives plate the second outer channel 23g1, so that the outer plate 25 of handle can be rotated in handle drives plate the second outer channel 23g1.In handle, 24 of plates are placed in handle drive plate 23, and wherein, in handle, in the left boss 24a of plate and handle, the right boss 24b of plate is placed in handle drive plate the first internal channel 23f2.When plate 24 is rotated in handle, can drive handle to drive plate 23 to rotate together.As long as plate 24 in direction mounting knob in door, in the outer plate 25 of direction mounting knob outdoors, just can realize in door, press down handle and on lift handle and all can drive handle drive plate 23.If press down outdoors handle, can not drive handle to drive plate 23 to rotate, dally.Now, can only on lift handle, to drive handle to drive plate 23 to rotate.

As shown in Figure 1, handle drives board component to drive plate 28 to be associated with latch bolt assembly by latch bolt.This latch bolt drives plate 28 to be designed to the outer plate 25 of handle to be contained in concentric annular structure wherein, and the external diameter laminating of plane of rotation 25c in the outer plate of its internal diameter and handle moves through latch bolt driver plate 4 side's of being sent to tongue assemblies with what handle is driven to board component.As can see from Figure 1, one end of latch bolt driver plate 4 is enclosed within latch bolt and drives on plate 28, and its gathering sill is enclosed within on latch bolt limited post 5.

Night tongue assembly comprise tongue 7 at night, night tongue handle 12, handle tongue at night slurcam 13, the moving plate 14 of lingual ribbon at night and night hyoplastron 15.By tongue lead 38 insertions at night are opened in the gathering sill on lock housing 32 inwalls, night, tongue assembly can be in the interior slip of lock housing 32.By night tongue spring 16 be arranged in the moving plate of lingual ribbon at night 14 holes, when the moving plate 14 of the lingual ribbon very night rotates, can make night tongue 7 stretch out or retract.Handle tongue at night slurcam 13 is enclosed within on the driver plate limited post 35 and night tongue limited post 36 that is riveted on lock housing 32, so that night, tongue assembly was associated with handle driver plate assembly.Night, tongue back-moving spring 11 was enclosed within on tongue handle at night one end of 12, then by night tongue back-moving spring 11 and night tongue handle 12 insert handle tongue at night slurcams 13.When handle tongue at night slurcam 13 moves up, night, tongue back-moving spring 11 was compressed.When without External Force Acting, night, tongue back-moving spring 11 departed from compressive states and by tongue slurcam 13 pushed home at night.

To specifically introduce mortise lock body of the present utility model and realize the operating principle of its function below.

The operating principle of paper one key open function.As shown in Figure 1, under the state stretching out at square tongue assembly, the handle that turns clockwise drives board component.Specifically, handle drives hook 23e promotion knob under plate to drive the right boss 20c of plate to rotate together, knob drives plate 20 boss 20b in the middle of knob drives plate to be rotated counterclockwise, and compresses that one end is fixed on that knob drives plate 20 and the other end is fixed on the square tongue retainer spring 22 of spring reference column 21.Knob drives plate front boss 20a to slide in square hyoplastron skewed slot 19a, by square tongue assembly from the interior retraction of lock body side panel 9.Because the thick end of the scroll 31 and the thin end of the scroll 10 are associated with square tongue assembly by square tongue pin 2, when square tongue assembly is retracted, the thick end of the scroll 31 and the thin end of the scroll 10 are also regained (as shown in Figure 3) simultaneously.In addition, handle drives the right push pedal 23b of plate to promote latch bolt keeper 27 motion backward, drives the motion backward together of latch bolt assembly, until latch bolt assembly is retracted completely.Handle drives plate front boss 23c to promote handle tongue at night slurcam 13 and up moves, compression tongue back-moving spring at night 11.Now, handle tongue at night slurcam 13 indirectly promotes the moving plate 14 of lingual ribbon at night and rotates, thereby makes tongue assembly retraction at night.Like this, can realize the function (being escaping function) of all dead bolts of quick unlatching.

After a key is opened all dead bolts, door handle is loosened.Due to the effect of latch bolt back-moving spring 33, latch bolt assembly can stretch out, and latch bolt keeper 27 drives handle to drive board component to be rotated counterclockwise, until latch bolt assembly stretches out completely.Now, handle drives board component reset and make door handle become level, and handle tongue at night slurcam 13 moved down and resets under 11 the effect of tongue back-moving spring at night.Like this, door handle has been realized homing action.

As shown in Figure 3, under the state of retracting at square tongue assembly, be rotated counterclockwise handle and drive board component.Now, plate back-moving spring 34 is compressed, causes hook 23d promotion knob on handle grip moving part to drive the right boss 20c of plate to rotate together.Knob drives plate 20 in the middle of knob drives plate, to turn clockwise by boss 20b, drives knob to drive plate front boss 20a to slide in square hyoplastron skewed slot 19a, and the side's of causing tongue assembly stretches out in lock body side panel 9.Because the thick end of the scroll 31 and the thin end of the scroll 10 are associated with square tongue assembly by square tongue pin 2, when square tongue assembly stretches out, the thick end of the scroll 31 and the thin end of the scroll 10 are also stretched out (as shown in Figure 2) simultaneously, have realized outdoors from the function of putting on lock.

After certainly putting on lock outdoors, loosen handle.Due to the effect of plate back-moving spring 34, handle drives board component to turn clockwise, and causes handle to revert to level.

In addition, in the lock core position of lock housing 32, be also provided with special-shaped thumb wheel 18, this abnormity thumb wheel 18 has specific profile, to realize the function of the trackwheel side of stretching out tongue, latch bolt and trackwheel retraction latch bolt.To specifically be introduced below.

As shown in Figure 1, when turning clockwise special-shaped thumb wheel 18, promote knob and drive hook 20e under plate, make knob drive plate 20 boss 20b in the middle of knob drives plate to be rotated counterclockwise, drive knob to drive plate front boss 20a to slide in square hyoplastron skewed slot 19a, the side's of causing tongue assembly is from the interior retraction of lock body side panel 9.Because the thick end of the scroll 31 and the thin end of the scroll 10 are associated with square tongue assembly by square tongue pin 2, when square tongue assembly is retracted, the thick end of the scroll 31 and the thin end of the scroll 10 are also regained (as shown in Figure 3) simultaneously.Like this, realized the function of the trackwheel side of retraction tongue.

The special-shaped thumb wheel 18 that continues to turn clockwise, and promote latch bolt driver plate 4 and move up, indirectly make latch bolt drive plate 28 to turn clockwise.Now, it is upper that active force acts on latch bolt keeper 27 surfaces, thus retraction latch bolt assembly, until cannot rotate again special-shaped thumb wheel 18.Like this, user can be rotated counterclockwise key and it is extracted from lock core, to realize the function of trackwheel retraction latch bolt.

On the other hand, as shown in Figure 3, when being rotated counterclockwise special-shaped thumb wheel 18, promote knob and drive hook 20d on plate, make knob drive plate 20 boss 20b in the middle of knob drives plate to turn clockwise, drive knob to drive plate front boss 20a to slide in square hyoplastron skewed slot 19a, the side's of causing tongue assembly stretches out in lock body side panel 9.Because the thick end of the scroll 31 and the thin end of the scroll 10 are associated with square tongue assembly by square tongue pin 2, when square tongue assembly stretches out, the thick end of the scroll 31 and the thin end of the scroll 10 are also stretched out (as shown in Figure 2) simultaneously, until cannot rotate special-shaped thumb wheel 18 again.Like this, can turn clockwise key it is extracted from lock core of user, to realize the function of the trackwheel side of stretching out tongue.

The above is the embodiment of L.H.flapped door formula security door, still, in daily use, often needs to change the direction of opening the door, and, transform L.H.flapped door formula security door as R.H.flapped door formula security door that is.In the present embodiment, the outer exchange function of this door inside door drives board component to realize by latch bolt assembly and handle.When commutation, as long as user pulls down commutation screw 37, and by latch bolt 1 Rotate 180 °, then oblique tongue rod 26 is inserted wherein, just can change the incline direction of latch bolt.In addition, because handle drives plate the first outer channel 23f1 and handle to drive the structure of plate the first internal channel 23f2, be symmetrical, and it is also symmetrical that handle drives plate the second outer channel 23g1 and handle to drive the structure of plate the second internal channel 23g2, as long as the installation site exchange by plate 24 in the outer plate 25 of handle and handle, can realize the outer exchange function of Men Neimen.The mortise lock body with said structure has convenient, the part and simple in structure of commutation.

Although more than combining preferred embodiment is illustrated the structure of mortise lock body of the present utility model, operating principle and using method, but those of ordinary skill in the art will be appreciated that, above-mentioned example is only used for explanation, and can not be as to restriction of the present utility model.Therefore, can within the scope of the connotation of claims, to the utility model, modify and modification, within these modifications and modification all will drop on the desired scope of claims of the present utility model.

Claims (10)

1. a mortise lock body, described mortise lock body comprises lock housing (32) and lock body side panel (9), described lock housing (32) inside is provided with latch bolt assembly, side's tongue assembly, night tongue assembly and universe rod, described latch bolt assembly, described side's tongue assembly and described night tongue assembly along described lock body side panel (9), arrange successively, and with closing and the unlatching described lock body side panel (9) that stretches into or retract of described mortise lock body, described side's tongue assembly is associated with described universe rod by square tongue pin (2), it is characterized in that, in the centre of described latch bolt assembly and described side's tongue assembly, be provided with handle and drive board component.

2. mortise lock body as claimed in claim 1, it is characterized in that, described latch bolt assembly comprises that latch bolt (1), oblique tongue rod (26), latch bolt keeper (27) and latch bolt drive plate (28), one end of described oblique tongue rod (26) is connected with described latch bolt (1) by commutation screw (37), and cover has latch bolt back-moving spring (33) and plate back-moving spring (34), the other end place of described oblique tongue rod (26) is connected with described latch bolt keeper (27), and described latch bolt assembly drives plate (28) and described handle to drive board component to be associated by described latch bolt.

3. lock core lock body as claimed in claim 2, it is characterized in that, described latch bolt drives plate (28) to have concentric annular structure, and what handle was driven to board component moves through latch bolt driver plate (4) side of being sent to tongue assembly, one end of described latch bolt driver plate (4) is enclosed within described latch bolt and drives plate (28) upper, and its gathering sill is enclosed within on latch bolt limited post (5).

4. mortise lock body as claimed in claim 1, it is characterized in that, the described side's tongue assembly also side's of comprising tongue (3), square hyoplastron (19) and knob drives plate (20), described side's tongue (3) consists of the flat ligulate post of at least one round belt, described side's tongue pin (2) is riveted on described side's hyoplastron (19), and the below of described side's hyoplastron (19) is provided with described knob and drives plate (20).

5. mortise lock body as claimed in claim 4, it is characterized in that, described knob drives plate (20) to comprise that knob drives plate front boss (20a), knob drives the middle boss (20b) of plate, knob drives the right boss of plate (20c), on knob drive plate, hook (20d) and knob drive hook (20e) under plate, described knob drives the middle boss of plate (20b) to be arranged in described lock housing (32), and insertion is formed in the square hyoplastron gathering sill (19b) on described side's hyoplastron (19), described knob drives plate front boss (20a) to embed and is formed in the square hyoplastron skewed slot (19a) on described side's hyoplastron (19).

6. mortise lock body as claimed in claim 1, it is characterized in that, described handle drives board component to comprise that handle drives plate (24) and the outer plate (25) of handle in plate (23), handle, and in described handle, the outer plate (25) of plate (24) and described handle is arranged on the inside and outside both sides that described handle drives plate (23) interchangeably.

7. mortise lock body as claimed in claim 6, it is characterized in that, described handle drives plate (23) to comprise that handle drives cylinder (23a) on plate, handle drives the right push pedal of plate (23b), handle drives plate front boss (23c), on handle drive plate, hook (23d) and handle drive hook (23e) under plate, on a surface of described handle drive plate (23), offering handle drives plate the first outer channel (23f1) and handle to drive plate the second outer channel (23g1), and on another apparent surface of described handle drive plate (23), offering handle drives plate the first internal channel (23f2) and handle to drive plate the second internal channel (23g2).

8. mortise lock body as claimed in claim 7, it is characterized in that, described handle drives plate the first outer channel (23f1) and described handle to drive the structure of plate the first internal channel (23f2) symmetrical, and described handle drives plate the second outer channel (23g1) and described handle to drive the structure of plate the second internal channel (23g2) symmetrical.

9. mortise lock body as claimed in claim 1, it is characterized in that, described night, tongue assembly comprised tongue at night (7), tongue handle at night (12), handle tongue at night slurcam (13), the moving plate (14) of lingual ribbon at night and hyoplastron at night (15), the moving plate (14) of described lingual ribbon at night makes described tongue at night (7) stretch out or retract by its rotation, described handle tongue at night slurcam (13) is enclosed within driver plate limited post (35) and the tongue limited post at night (36) that is riveted on described lock housing (32), one end cover of described tongue handle at night (12) has tongue back-moving spring at night (11), so that described tongue handle at night (12) is inserted to described handle tongue at night slurcam (13).

10. mortise lock body as claimed in any one of claims 1-9 wherein, is characterized in that, in the lock core position of described lock housing (32), is also provided with special-shaped thumb wheel (18).