CN2554295Y - Transmission locking apparatus for door - Google Patents

Abstract

The utility model belongs to a transmission locking apparatus for door which consists of a dead bolt, a locking key in a lock casing, a linkage swing rod mechanism formed by a dialing sheet, a swing block, a baffle sheet and a connecting rod, a transmission strip for prolonging the lock effect and a bolt. A square pin connected with an inner and outer lift is through a door plate and sleeved in a square hole in the center of the swing block to drive the swing rod mechanism to rotate. Except through the block sheet to restrict the journey out of the casing of the dead bolt, the connecting rod is driven through the dialing sheet to move straightly and to drive the upper and lower connecting strip, the upper and lower transmission strip and the upper and lower bolt, thus realizing the lock and unlock effect of a lock point. While the locking key is driven by a lock reed extended by a night lock and is pushed out or withdrawal to the casing, and can be blocked by the lower connecting strip which can not be locked by a key. When the dead bolt extends outside the casing and is supported by the connecting rod without withdrawal, the locking key also can block the connecting rod to avoid upper movement so as to realize the full start or full lock effect respectively. The utility model has the advantages of firm and reliable lock, realization of multi-lock linkage, chain restrict effect, synchronous open and close and flexible rotation. The utility model is suitable for the anti-theft door of all types.

Description

Door transmission locking device

Technical field

The utility model relates to a kind of door lock assembly, and particularly a kind of with transmission locking device.

Background technology

Mostly existing door lock is to mix some annexes and constitute with a tapered end as cylinder lock; The transmission door lock is to cooperate with cylinder lock to comprise that gear, rack for transmission device realize.No. 98211496.6, Chinese patent " a kind of transmission locking device ", a kind of drive link that includes is disclosed, lock pin, snap close, tooth bar, the locking device of gear, middle part at the slab drive link is provided with draw-in groove, card has tooth bar in the draw-in groove, is furnished with gear, lower housing portion is enclosed within the chute that slides on the slide plate after fastening is arranged, housing top disposes pin-and-hole and hollow pins, square cotter with handle pierces into square hole at last, be screwed on window, swing handle, gear, tooth bar will drive drive link and move up and down, the lock pin on the bar just with fixed window frame on snap fit lock or open.Another kind of transmission door lock, be seen in Chinese patent 95210749.X " gear drive door lock ", it is a kind of tapered end, fork of comprising, the transmission door lock of the transmission device of being made up of cover, gear, tooth bar in the gear adopts and comes transmitting gear to drive the frame mode of tooth bar again by rotary locking cylinder, and knob and gear are bound up, cover, gear rotate together in the driven gear when main shaft rotates, tooth bar then moves forward, and in the access door nose, the extended 17cm of tooth bar.When key forwarded 440 ° counterclockwise to, tooth bar all stretched out, and door is locking.Key clockwise rotates and tooth bar can be withdrawn when opening the door.When no longer insuring, key changes 80 ° clockwise, gear with its in cover no longer be connected, gear can rotate separately, can be opened the door or be locked a door by indoor knob handle rotation.

Above-mentioned two disclosed technology of patent all are to adopt the gear (or tapered end) and the combination of tooth bar to reach the purpose of switching, and the former is by being realized locking/open function by the lock pin on the strip drive link of rack drives; The latter drives tooth bar by key, utilizes the clutch of cover in gear and the gear to control unlatching or insurance.Both all be unable to do without gear/rack for transmission combination, and the kind of drive is simple.By the tooth bar role of transmission is the function of lock pin or bolt, only works in the narrow and small scope near tapered end, and essence is the ingredient of tapered end.The function of locking device is more single.

Summary of the invention

The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides that a kind of to have a Multiple locking point antitheft and safety performance good, and door easy to use is with transmission locking device.

The purpose of this utility model can reach by following measure:

Door of the present utility model includes by left shell with transmission locking device, and the lock body that right shell body and center fixed bar are formed, and interior handle, outer handle, dead bolt, locking key are with supporting lock or location lock dog or latch, the plug housing etc. of lock body.Dead bolt and locking key are arranged in the lock housing body, and dead bolt is had the tongue piece of oblique triangle by the spring institute roof pressure on the spring base on the dead bolt, and interior handle and outer handle branch are located at inside and outside the door.Also be provided with a cover interlock swing-bar mechanism in the lock housing body, this mechanism is made up of plectrum, centering block, barrier sheet and trace.One with interior handle and the square cotter that outer handle links to each other, be nested into the square hole the inside of matching with this square cotter in the centering block central authorities that repeatedly are nested together with plectrum and barrier sheet, centering block is by left briquetting on another spring base in the lock housing body and right briquetting clamping.Like this, handle or outer handle in pulling, transmission by this square cotter, promptly drive this centering block and rotate, the also corresponding swing of plectrum and barrier sheet is extruded with a shift fork on the plectrum wherein, this shift fork inserts in the bar hole that links with trace, its mode can be to insert to be embedded in the bar hole of a locating piece on the trace, and shift fork drives this locating piece, that is drives this trace and move as straight line.Like this, the twisting of handle is changed into the straight-line displacement of trace.Meanwhile, repeatedly be enclosed within the barrier sheet above the centering block, the both wings that stretch on it, also swing thereupon, wherein a wing is stopped by a bearing post in the housing to lower swing, another wing then stops by the reference column on the dead bolt of spring roof pressure, and the oblique tongue position on the dead bolt is withdrawn in the lock housing body.

Device locking key in the lock housing body, supporting have a cylinder lock, and this locking key includes the key piece, is contained in self-locking block and a spring in the key piece.Wherein the key piece is put in the cylindrical void on housing with the prominent bar of the guiding on its basal surface, as guide rail and slide in front and back, releases forward then that key piece front end stretches out outside the housing, becomes a lock point.Also be provided with on the key piece for placing the dead slot that spring is used, a block self locking piece is embedded on the key piece by the institute of the spring in this dead slot roof pressure, and is installed movably on this key piece.Device is at the cylinder lock on locking key next door, when the snap of its lock core rotates and roof pressure during to self-locking block, produce the active force on the both direction, pushing is contained in the self-locking block on the spring on the one hand, make its retraction in the key piece, owing on the right shell body stop bit post is arranged, originally be positioned at the place, side end face of self-locking block, stop to live locking key to be stretched out forward, after self-locking block is by inside roof pressure, this stop bit post just drops into an end of one gathering sill on the self-locking block, because the post height is equal to or less than groove depth, locking key just no longer is obstructed, the thrust of snap makes it to front slide, under the guiding of another road limited post on the right shell body and above-mentioned stop bit post, it is external that locking key just is pushed to lock housing, becomes locking states.This is the method for operation of locking key being locked with cylinder lock.Otherwise it is as the same inwardly to withdraw.

The above-mentioned trace that is driven at its two ends, can hang with down connection strap and last connection strap respectively, and following edge joint bar hangs up a underdrive bar and following latch again, and last connection strap hangs up one again and goes up transmission bar and last latch.At trace when up and down straight line moves, the underdrive bar, down latch, go up the transmission bar, go up latch and all move up and down thereupon.On last transmission bar and underdrive bar, be respectively arranged with 1 to 2 lock point, match with these lock points, then at the another side of doorframe, be provided with corresponding location lock dog, make these lock points can enter into the location lock dog to play the locking effect.When trace is done the straight line upper and lower displacement by drive, drive underdrive bar (containing the lock point on it) and following latch straight line moves by following connection strap, move by last last transmission bar (containing the lock point on it) of connection strap drive and last latch straight line, play the effect of each corresponding lock point unlatching/locking.

Wherein, the direction that moves up and down by the last latch that driven makes it do the break-in displacement by a runner mechanism.Should go up latch is made up of the right tooth bar and the left tooth bar of device in a sleeve pipe, link with two runners between the two, end with left tooth bar is connected with last transmission bar, reverse drive through runner, the other end of right tooth bar is as the above-mentioned inserted link of going up latch, can be inserted in the plug housing, and its direction that moves up and down is opposite, promptly when last transmission bar moves down with the underdrive bar, following latch no doubt is to moving down, last latch then moves up through break-in, and the latch at two ends all can inject in the plug housing up and down, is locking states.

The shape and structure of trace is designed in the utility model locking device, there is a convex in the upper right corner in the top, also there is a nib in the lower left corner, lower end, when trace is displaced downwardly to the lowest limit position, and locking key is released with snap, when dead bolt and locking key all are in locking states, the convex of above-mentioned trace is in the lower surface of the tongue piece of dead bolt, dead bolt is blocked, it can not be withdrawn, the nib of above-mentioned trace then by the side of a prominent bar on the locking key bottom surface block block, make trace can't on move, and locking key can not be return in the lock housing body also because of being stopped by the stop bit post on the right shell body, forms full lock and closes state.At this moment, need to open locking key with key earlier, promptly back promote self-locking block with snap, the stop bit post is in the other end of gathering sill, and locking key no longer is subjected to stopping of stop bit post, just can return in the housing.

Above-mentioned locking key is opening returning in the lock housing body, and when moving to the extreme higher position on the trace, again can not be with snap with the locking key locking.This is because in key piece upper left-hand up and down on two surfaces, excavate out one section from being deep to shallow skewed slot, accordingly on following connection strap, in order to pass through the dead slot of key piece, wherein an end is one section outside cone tank of constriction gradually, in the key piece returns to the lock housing body, and drive this time connection strap by trace and make progress straight line when moving, this cone tank is inserted in and blocks the skewed slot of key piece, makes locking key can not use the key locking, keeps the opening of lock.

With existing axle mounting technology difference, the hand of the utility model locking device is held and being connected of handle seat, after employing packs into an axis hole on the handle seat with the handle handle, add lastblock packing ring and turn, again at the external surface of handle, put and embed a harder collar made from metal material, this collar interior along part, hollow out goes out some roads lace, makes inner ring slightly to dwindle, and closely be stuck on the handle, because the middle subordinate of this circle is curved, metallic spring makes it interior along fusing with handle surfaces, and the outer then is smooth outer ring, handle rotates, and then is being with tight lasso to rotate in axis hole.Like this, both avoided being connected between handle and axis hole to get loose, that handle is used is very flexible.

The utility model is compared with prior art, has following advantage:

1. locking is solid and reliable.The utility model locking device adopts Multiple locking point, and the structure of twin-lock head adds the two ends latch, makes door not only there being the tapered end position to obtain the dual fail-safe locking of oblique tongue and square key, more makes whole sect the lock point all be arranged from top to bottom in action.

2. a nested structure and uncomplicated interlock swing-bar mechanism, the straight line that the rotation of handle is changed into bolt moves up and down, and realizes the unlatching or the locking of each lock point easily.Avoided the frictional drive between gear/tooth bar.

3. has chain restrictive function.Under locking states, when trace is pushed the limit inferior position, dead bolt, locking key all are lockable, trace also be blocked and can't on move, each lock point is locking also, forms full lock and closes state.And in opening, when trace pushed the limes superiors position, the taper dead slot on the following connection strap blocked one section skewed slot of locking key key piece upper left-hand, at this moment, also locking key can't be locked with key, and all the lock point also is in unlatching, forms the full open state.

4. dead bolt is under the common restriction of spring and barrier sheet, just can realize automatic ejection (locking) or driven by handle, stirs the dead bolt withdrawal and the function of opening.

5. go up latch and utilize double rack mechanism, realize and synchronous locking of following latch or unlatching through turning to.

6. a specially designed collar is adopted in the installation of handle, reaches firmly nimble purpose.

In conjunction with the accompanying drawings and embodiments the utility model is done further narration with following.

Description of drawings:

Fig. 1 is the structural representation of the utility model locking device lock main body;

Fig. 2 is the front view (partial cutaway) of above-mentioned lock main body;

Fig. 3 is the left view of lock main body;

Fig. 4 is the vertical view of lock main body;

Fig. 5 is the scantling plan of the utility model locking device;

Fig. 6 is the scheme of installation of the utility model locking device;

Fig. 7 is each parts annexation schematic diagram of lock main body opening;

Fig. 8 is each parts annexation schematic diagram of lock main body locking states;

Fig. 9 is the left shell front view;

Figure 10 is the right shell body front view;

Figure 11 is the front view of center fixed bar;

Figure 12 is the dead bolt front view;

Figure 13 is the plectrum front view;

Figure 14 is the centering block front view;

Figure 15 is its longitudinal section;

Figure 16 is the front view of barrier sheet;

Figure 17 is the front view of locking key;

Figure 18 is its left view;

Figure 19 is its rear elevation;

Figure 20 is the partial sectional view of skewed slot part on the locking key key piece;

Figure 21 is the front view of self-locking block;

Figure 22 is its rear elevation;

Figure 23 is vertical view of cylinder lock;

Figure 24 is the snap parts sectional view of cylinder lock;

Figure 25 is the front view of trace;

Figure 26 is the front view of following connection strap;

Figure 27 is a structural representation of going up latch;

Figure 28 is a right tooth bar front view of going up latch;

Figure 29 is a left tooth bar front view of going up latch;

Figure 30 is the handle scheme of installation;

Figure 31 is the collar front view in the handle;

Figure 32 is the vertical view of this collar;

Figure 33 is that handle is installed the bigger figure in part.

Among each figure, the 1st, left shell, 1-1 are the cylindrical voids on it, 1 ' be right shell body, 1 ' the-1st, the stop bit post on it, 1 ' the-2nd, limited post, the 2nd, the center fixed bar, the 3rd, interior handle, 3 ' be outer handle, 3-1 is a handle, and 3-2 is an axis hole, and 3-3 is a collar, 3-1-1 is the pin-and-hole that inserts square cotter, and 3-2-1 is an axis hole, and 3-3-1 is interior lace, 3-3-2 is a cylindrical, the 4th, and dead bolt, 4-1 are the tongue pieces, 4-2 is the spring of dead bolt, and 4-3 is the reference column on the dead bolt, the 5th, and locking key, 5-1 is the key piece of locking key, 5-2 is a self-locking block, and 5-3 is the spring of roof pressure self-locking block, 5-1-1,5-1-1 ' is the skewed slot on the key piece, 5-1-2 is the dead slot on the key piece, 5-1-3 is the side of a prominent bar in the locking key, and 5-1-4 is the prominent bar on the key piece bottom surface, and 5-2-1 is the gathering sill on the self-locking block, the 6th, square cotter, the 7th, plectrum, 7-1 are the shift forks on it, the 8th, and centering block, 8-1 is a square hole wherein, the 9th, barrier sheet, 9-1,9-1 ' is the both wings on it, the 10th, and trace, 10-1 is the convex on it, 10-2 is the nib on it, the bar hole on the locating piece that 10-3 is with trace links to each other, the 11st, bearing post, the 12nd, cylinder lock, 12-1 is the snap of cylinder lock, the 13rd, and following connection strap, 13-1 are cone tanks wherein, the 14th, last connection strap, the 15th, underdrive bar, the 16th, last transmission bar, the 17th, supporting lock, the 18th, the location lock dog, 19,19 ' be plug housing, the 21st, following latch, the 22nd, last latch, 22-1 is right tooth bar, 22-2 is left tooth bar, 22-3,22-3 ' is a runner, 23,23 ' be spring base, the 24th, left briquetting, 24 ' be right briquetting.

The specific embodiment:

Shown in each accompanying drawing, the utility model locking device is based on the lock main body, comprises the drive disk assembly of prolongation, the supporting cover latch mechanism that the some parts that are installed in the doorframe opposite side are arranged, kit has the lock that matches with tapered end, lock point, latch, location lock dog, plug housing.The lock main body be one by left shell 1, right shell body 1 ' and the lock housing body formed of center fixed bar 2 in, device has the twin-lock head, be dead bolt 4 and locking key 5, dead bolt 4 comprises the tongue piece 4-1 and the spring 4-2 of an oblique triangle, which is provided with a reference column 4-3, and be subjected to the roof pressure of this spring, tongue piece 4-1 can pass the corresponding aperture on the center fixed bar 2 and to be ejected into lock housing external, by reinforcing, the tongue piece 4-1 of dead bolt can be withdrawn in the lock housing body again reference column 4-3.In the lock housing body, also be provided with by plectrum 7, centering block 8, the interlock swing-bar mechanism that barrier sheet 9 and trace 10 are formed, preceding 3 repeatedly are nested together mutually, repeatedly at the afterbody of the centering block 8 of centre, by the left briquetting 24 on the spring base 23, spring base 23 ' on right briquetting 24 ' clamp mutually, and tightly be enclosed within the housing.There is a square hole 8-1 in centering block central authorities, can just be inserted in a square cotter 6, the two ends of square cotter 6, to lock after main body is installed on the door, respectively with door inside and outside left handle 3, right handle 3 ' be connected is pulled one of them handle, drive square cotter 6, rotate centering block 8, be enclosed within the plectrum 7 below the centering block, shift fork 7-1 is arranged on it, also and then fiddle with, drive trace 10 straight lines and move; Barrier sheet 9 above the centering block stretches out both wings 9-1,9-1 ', and wherein the limit inferior position of wing 9-1 swing is at bearing post 11 places, and another wing 9-1 ' is in the reference column 4-3 place of dead bolt, dead bolt can be dialled back in the lock housing body.

The locking key 5 of device in the lock housing body, the cylinder lock 12 supporting with it is installed in the next door of locking key 5, and when cylinder lock rotated, lock core rotated promptly outstanding snap 12-1, locking key 5 is carried out opened or locking, was about to its key piece 5-1 and released or retract the lock housing body.Locking key 5 includes key piece 5-1, be contained in the self-locking block 5-2 on the key piece, and spring 5-3, on two surfaces up and down in left side, key piece front portion, excavate out one section from being deep to shallow skewed slot 5-1-1 and 5-1-1 ', one dead slot 5-1-2 is arranged at the bottom of key piece, spring 5-3 is used to pack into, insert self-locking block 5-2 again, the self-locking block embedding is attached on the key piece, and has gathering sill 5-2-1 on the self-locking block surface, key piece 5-1 is with the prominent bar 5-1-4 of the guiding on its bottom surface, be absorbed in the cylindrical void 1-1 on the left shell relevant position, under this guiding, its front portion can skid off the external or withdrawal of lock housing, when withdrawal, cone tank 13-1 in following connection strap 13 can be inserted in the two sides skewed slot 5-1-1 and the 5-1-1 ' in left side, above-mentioned key piece front portion, thereby block this key piece 5-1.At this moment, can't release locking key and locking with key, have only with handle dead bolt is locked after, following connection strap moves down, could the locking locking key.In the time will transferring locking key to locking by unlatching, snap 12-1 pushing self-locking block 5-2, make self-locking block toward the inside retraction of key piece, right shell body is stop bit post 1 '-1 on the cap, the gathering sill 5-2-1 place that be positioned at self-locking block this moment no longer hinders locking key and outwards slides, under the promotion of snap 12-1, and under the guiding of limited post 1 '-2, key piece front portion skids off the external and locking of lock housing.

In the above-mentioned lower end that causes the trace 10 that straight line moves up and down by the rotation of square cotter 6, hang with down connection strap 13, the upper end hangs with connection strap 14, two connection straps hang with underdrive bar 15 and last transmission bar 16 again respectively, underdrive bar 15 also can hang up a following latch 21, last transmission bar hangs with 22, two transmission bars of latch and is respectively arranged with 1 or 2 lock points.Be contained in the doorframe opposite side, supporting with it corresponding components has, with the corresponding location lock dog 18 of each lock point, the plug housing 19 corresponding with following latch 21, the plug housing 19 corresponding with last latch 22 ', on the lock 17 corresponding, have and to hold the snap close that tongue piece 4-1 and key piece 5-1 insert with dead bolt 4, locking key 5.

The shaped design of above-mentioned trace 10 except having for the breach of hanging connection strap, reveals a convex 10-1 in its upper right corner, a projection 10-2 is revealed in the lower left corner, when trace 10 was displaced downwardly to extreme position, convex 10-1 was adjacent to the lower surface of tongue piece 4-1, and it can not be return in the lock housing body.Nib 10-2 is then blocked by the side 5-1-3 of a prominent bar 5-1-4 on locking key 5 bottom surfaces, makes trace 10 translation that can not make progress; Locking key 5 is also by locking, but the key of available cylinder lock is opened it.

Move down at trace 10, drive under underdrive bar (containing the lock point on it) and the following latch and move up into locking states, transmission bar and last latch move down too on this moment, and latch was the same under as above the structure of latch was followed, on the then impossible pin.The latch 22 of going up of the present utility model, right tooth bar 22-1 is loaded onto in employing in a sleeve pipe, with left tooth bar 22-2, load onto two runner 22-3 between the tooth bar, 22-3 ', the end that left side tooth bar 22-2 stretches out is connected to transmission bar 16, through the runner transmission, right tooth bar 22-1 can oppositely move, and promptly moves on the inserted link on the end when moving down, upwards be inserted into plug housing 19 ' lining, realize locking equally.

Interior handle 3 and outer handle 3 ' be installed in the inside and outside two sides of door respectively, by the handle on the handle is installed on the handle set 3-2, it is flexibly connected.An axis hole 3-2-1 is arranged on the handle set, and the centre of handle is with pin-and-hole 3-1-1, for the usefulness of being inserted in square cotter 6.After handle 3-1 on the handle packed into axis hole 3-2-1 on the handle set, the turn of a soft packing ring and a rigidity refilled a collar 3-3 on the handle outer race.This collar is a ring, but its middle part is curved slightly down, and the annular inner portion hollow out becomes lace 3-3-1, outer shroud 3-3-2 is a smooth circle, size is consistent with axis hole, and this circle makes with metal, has certain rigidity, with external force it is packed into the back and one space angle is arranged with the handle cylinder, lace draws in, has a component radially to exert pressure to the handle cylinder, and roof pressure is on the external surface of handle tightly.Like this, drive the collar that tightly is nested together with handle when handle rotates and rotate, in axis hole, rotate neatly, realize its function with its smooth outer shroud circle.

Several various combinations of each several part member or parts among the above embodiment, the multiple entity of composition the utility model locking device different model.The utility model is not limited to the foregoing description.

Claims (14)

1. a door is with transmission locking device, include by left shell (1), the lock housing body that right shell body (1 ') and center fixed bar (2) are formed, handle (3,3 '), one or the tapered end of 2 devices in the lock housing body, and it is supporting with it and be arranged on lock (17) on the doorframe, or location lock dog (18), or plug housing (19,19 '), it is characterized in that, described tapered end comprises one by the dead bolt (4) of spring (4-2) institute roof pressure, tongue piece (4-1) is arranged on the dead bolt (4), handle inside and outside door, be divided into interior handle (3) and outside handle (3 '), in the lock housing body, also be provided with a cover interlock swing-bar mechanism, this mechanism is by plectrum (7), centering block (8), barrier sheet (9) and trace (10) are formed, a square cotter (6) that links to each other with outer handle (3 ') with interior handle (3), be nested into square hole (8-1) the inside of matching with this square cotter in centering block (8) central authorities that repeatedly are nested together with plectrum (7) and barrier sheet (9), centering block (8) is by left briquetting (24) in the lock housing body and right briquetting (24 ') clamping, like this, handle or outer handle in pulling, by this square cotter (6), promptly driving centering block (8) rotates, the also corresponding swing of plectrum (7) with barrier sheet (9), wherein plectrum (7) is inserted in the bar hole (10-3) that links with trace (10) with its shift fork (7-1), moves up and down as straight line thereby drive this trace (10); And barrier sheet (9) has the both wings (9-1,9-1 ') of stretching, extension, also swing thereupon.

2. door according to claim 1 transmission locking device, it is characterized in that, described tapered end also comprises the locking key (5) of a device in the lock housing body, supporting with it cylinder lock (12), this locking key (5) comprises key piece (5-1), be contained in the self-locking block (5-2) on the key piece, key piece (5-1) is put in the cylindrical void (1-1) on the left shell (1) with the prominent bar (5-1-4) of the guiding on its basal surface and slide in front and back, key piece (5-1) is gone up the dead slot (5-1-2) that also has for placing spring (5-3) usefulness, and a block self locking piece (5-2) is embedded into key piece (5-1) and goes up by this spring (5-3) institute roof pressure; The snap (12-1) of cylinder lock (12) turns to when touching self-locking block (5-2), the retraction in the key piece of pushing self-locking block (5-2), stop bit post on the right shell body (1 ') (1 '-1) drops into gathering sill (5-2-1) position on the self-locking block, locking key (5) is subjected to the limited post (1 '-2) on the right shell body and the guiding of above-mentioned stop bit post (1 '-1), can be promoted by snap (12-1), it is external to slide to lock housing.

3. door according to claim 1 and 2 transmission locking device, it is characterized in that, end at described trace (10), hang with a following connection strap (13), the other end hangs with one and goes up connection strap (14), and connection strap (13) hangs up a underdrive bar (15) and following latch (21) down, last connection strap (14) hangs up one again and goes up transmission bar (16) and last latch (22), on last transmission bar (16) and underdrive bar (15), be respectively arranged with 1 to 2 lock point, driven when doing the straight line upper and lower displacement, by descending connection strap (13) at trace (10), drive latch (21) down, underdrive bar (15) and on lock point straight line move; By last connection strap (14), latch in the drive (22), last transmission bar (16) and on lock point straight line move.

4. door according to claim 2 transmission locking device, it is characterized in that, there is a convex (10-1) in the upper right corner, described trace (10) upper end, there is a nib (10-2) in the lower left corner, lower end, when trace (10) is displaced downwardly to extreme lower position, and dead bolt (4), locking key (5) is in when stretching out state, convex (10-1) blocks the lower surface of the tongue piece (4-1) of dead bolt, dead bolt can not be withdrawn, and nib (10-2) is blocked by a side (5-1-3) of the last prominent bar of locking key (5), trace (10) can't on move.

5. door according to claim 3 transmission locking device, it is characterized in that, there is a convex (10-1) in the upper right corner, described trace (10) upper end, there is a nib (10-2) in the lower left corner, lower end, when trace (10) is displaced downwardly to extreme lower position, and dead bolt (4), locking key (5) are in when stretching out state, convex (10-1) blocks the lower surface of the tongue piece (4-1) of dead bolt, dead bolt can not be withdrawn, and nib (10-2) is blocked by a side (5-1-3) of the last prominent bar of locking key (5), trace (10) can't on move.

6. according to claim 2 or 4 described door transmission locking devices, it is characterized in that, on two surfaces up and down of key piece (5-1) upper left-hand of described locking key, excavate out one section from being deep to shallow skewed slot (5-1-1,5-1-1 '), it is that one section its width is arrogant to little cone tank (13-1) that described connection strap (13) is down gone up in order to the dead slot that passes key piece (5-1), when key piece (5-1) returns in the lock housing body, and when upwards straight line moves by connection strap (13) under the trace drive, cone tank on it (13-1) is inserted in and blocks the skewed slot (5-1-1 of key piece, 5-1-1 '), it is external to make locking key (5) can not stretch out lock housing.

7. door according to claim 3 transmission locking device, it is characterized in that, on two surfaces up and down of key piece (5-1) upper left-hand of described locking key, excavate out one section from being deep to shallow skewed slot (5-1-1,5-1-1 '), on the described connection strap (13) down, in order to the dead slot that passes key piece (5-1) is that one section its width is arrogant to little cone tank (13-1), when key piece (5-1) returns in the lock housing body, and when upwards straight line moves by connection strap (13) under the trace drive, cone tank on it (13-1) is inserted in and blocks the skewed slot (5-1-1 of key piece, 5-1-1 '), it is external to make locking key (5) can not stretch out lock housing.

8. door according to claim 5 transmission locking device, it is characterized in that, on two surfaces up and down of key piece (5-1) upper left-hand of described locking key, excavate out one section from being deep to shallow skewed slot (5-1-1,5-1-1 '), on the described connection strap (13) down, in order to the dead slot that passes key piece (5-1) is that one section its width is arrogant to little cone tank (13-1), when key piece (5-1) returns in the lock housing body, and when upwards straight line moves by connection strap (13) under the trace drive, cone tank on it (13-1) is inserted in and blocks the skewed slot (5-1-1 of key piece, 5-1-1 '), it is external to make locking key (5) can not stretch out lock housing.

9. door according to claim 3 transmission locking device, it is characterized in that, the described latch (22) of going up is made up of the right tooth bar (22-1) and the left tooth bar (22-2) of device in a sleeve pipe, get up with two runners (22-3,22-3 ') interlock between the two, end with left tooth bar (22-2) is connected with last transmission bar (16), reverse drive through runner, the other end of right tooth bar (22-1) is as the inserted link that should go up latch, can be inserted into plug housing (19 ') lining, its direction that moves up and down is opposite with the moving direction of last transmission bar (16).

10. door according to claim 5 transmission locking device, it is characterized in that, the described latch (22) of going up is made up of the right tooth bar (22-1) and the left tooth bar (22-2) of device in a sleeve pipe, get up with two runners (22-3,22-3 ') interlock between the two, end with left tooth bar (22-2) is connected with last transmission bar (16), reverse drive through runner, the other end of right tooth bar (22-1) is as the inserted link that should go up latch, can be inserted into plug housing (19 ') lining, its direction that moves up and down is opposite with the moving direction of last transmission bar (16).

11. door according to claim 7 transmission locking device, it is characterized in that, the described latch (22) of going up is made up of the right tooth bar (22-1) and the left tooth bar (22-2) of device in a sleeve pipe, get up with two runners (22-3,22-3 ') interlock between the two, end with left tooth bar (22-2) is connected with last transmission bar (16), reverse drive through runner, the other end of right tooth bar (22-1) is as the inserted link that should go up latch, can be inserted into plug housing (19 ') lining, its direction that moves up and down is opposite with the moving direction of last transmission bar (16).

12. door according to claim 8 transmission locking device, it is characterized in that, the described latch (22) of going up is made up of the right tooth bar (22-1) and the left tooth bar (22-2) of device in a sleeve pipe, get up with two runners (22-3,22-3 ') interlock between the two, end with left tooth bar (22-2) is connected with last transmission bar (16), reverse drive through runner, the other end of right tooth bar (22-1) is as the inserted link that should go up latch, can be inserted into plug housing (19 ') lining, its direction that moves up and down is opposite with the moving direction of last transmission bar (16).

13. according to claim 1 or 2 or 4 described door transmission locking devices, it is characterized in that, hand is held (3,3 ') and being connected of handle seat (3-2), after employing packs into axis hole (3-2-1) on the handle seat with the handle (3-1) of handle, embed a collar (3-3) at the handle external surface, the interior of this collar has some roads laces (3-3-1) along hollow out, and the outer then is smooth cylindrical (3-3-2), and the center of handle (3-1) is with the pin-and-hole (3-1-1) that matches with square cotter (6).

14. door according to claim 12 transmission locking device, it is characterized in that, hand is held (3,3 ') and being connected of handle seat (3-2), after employing packs into axis hole (3-2-1) on the handle seat with the handle (3-1) of handle, embed a collar (3-3) at the handle external surface, the interior of this collar has some roads laces (3-3-1) along hollow out, and the outer then is smooth cylindrical (3-3-2), and the center of handle (3-1) is with the pin-and-hole (3-1-1) that matches with square cotter (6).

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