CN2205861Y - Mechanical lock by using key to set cipher - Google Patents

Abstract

The utility model relates to an anti-theft mechanical cipher lock which is improved and is arranged on a door. The anti-theft mechanical cipher lock comprises a lock core, a cipher dialing disk, a cipher disk sheathed at the outer side of the cipher dialing disk and a crosshead shaft connector connected with the cipher dialing disk, which are arranged at the same shaft line. The whole cipher of a sleeve barrel is opened, except for the immovable cipher disk, all mechanisms are rotated by following a key, the lock can beopened by an eccentric shaft on the sleeve barrel, and the lock is closed when the crosshead shaft connector at the middle part is disengaged. The anti-theft mechanical cipher lock can be connected in series with a built-in lock or can be used singly, and has the advantages of compact structure and good anti-theft and confidential performance.

Description

Mechanical lock by using key to set cipher

The utility model relates to the improvement that is installed in the antitheft mechanical code lock on the door.

For a long time, for the antitheft frame for movement coded lock that is placed on the door, be by cylinder lock, combination disk and handle are installed separately on door.Unblank to open Men Shixu with key open cylinder lock, to last password again the linkage that drives between them of swing handle eccentric shaft or eccentric rod are thrown off, could open door.Combination disk to password is simple in structure, and three groups of digital codes commonly used overlap with three notched combination disk, when the breach coincidence promptly to good password, mechanism can move.The weak point of coded lock mechanism of this mechanism also is, combination disk is just being changeed in counter-rotating during manually to password, slides between dish and the dish and drags, and whether breach overlaps tangible feel and the bigger abnormal sound of sound, easy decoding.Combination disk and cylinder lock spaced apart are subject to brill, hammer destroys respectively, and open door.

The purpose of this utility model is, overcomes the deficiencies in the prior art part, provides a kind of and does not directly touch dial-up with hand, adopts key unlocking, dials password, and the feel abnormal sound is little, the mechanical lock of lock cylinder and combination disk good anti-theft effect in a structure.

The purpose of this utility model can reach by following measure: this cipher code mechanical lock is provided with box-like lock housing, preceding hole edge cylindrical billiard lock core is opened in the lock housing front, metapore edge sleeve is opened in the lock housing back relative with preceding hole, between lock core and sleeve, be connected in series dial, cross head shaft joint on the coaxial line, dial overcoat combination disk, lock core hole is established the dial-up key, be with pointer on the key, the lock housing front is provided with a border groove and a number, and dial-up key length is greater than the length of lock core column; Fixed disc shape dial on the inner cylinder of lock core, and in combination disk, rotate; The disk that is fixed with perpendicular to axle on the axle of manifold shaft joint forms front axle and rear axle, disk outer rim groove is established movable floral disc, cylindrical big stage clip is arranged between disk and the lock housing, be enclosed within rear axle and sleeve outside, disk one side vertical fixing, one gag lever post also stretches to dial, the opposite side of disk is established alignment pin, locating hole on alignment pin and the pin boss matches, on floral disc, establish through hole and cross motion bar, also be fixed with spacing fork arm on the floral disc, motion bar and spacing fork arm stretch in the slotted hole that the password bar is installed, and the front axle of cross head shaft joint stretches into the dial centre bore, and its back shaft end has an axle of radially having strong market potential greater than diameter; The rotatable lamella dish is installed on the dial axle, that opens on code holes of being opened on the sheet dish and the dial is big or small together to code holes, with the footpath, the half-moon groove of being opened on the prominent head of feather key and the dial also is set on the sheet dish to match, in addition, have small extension spring to link between dial and sheet dish, establish a dial-up lever on the outer rim of dial, the extension spring that little axle of its fulcrum and dial-up lever inner end link makes the slippage in the combination disk splined hole of dial-up thick stick outer end; Combination disk and lock housing fix; The set in the heart heavy caliber splined hole of dial outer rim and combination disk matches, splined hole is provided with some splines, spline is pointed shape, establish some slotted holes radially entad in the combination disk, the slotted hole small end stretches in the spline, and password bar and spacing ring are installed in the slotted hole, and password bar outer end links reseting pressuring spring, spacing ring is enclosed within on the password bar, and password is gone up mutually and also is provided with the location skewed slot; Sleeve is established pack into the rear axle of cross head shaft joint of endoporus, and sleeve also has the featherway long lock shaft that slides of packing into, and sleeve is provided with eccentric shaft or eccentric rod in the outside of lock housing.

Saying of general words: the process of password being opened this lock, open cylinder lock exactly, last password key is made lock core, dial, cross head shaft joint, the synchronous rotating process of sleeve, the cross head shaft joint is thrown off dial during blocking, front key, lock core, dial rotate and can not drive the sleeve rotation by middle cross head shaft joint.As long as key head pushing tow cross head shaft joint front axle transverse plane, promptly all mechanism resets and reaches blocking.

The process of opening lock is such, at first key is inserted lock core hole and open cylinder lock with hand, this is the first step, screw key then, pointer on the key since 0 bit digital toward clockwise or counterclockwise one of them direction rotation, pointer whenever being screwed into digital groove, slightly to counter-rotation one angle, be screwed into again on this number groove again, finish after this dial-up action more then rotation and dial next password.When key is screwed into digital groove together with pointer, dial-up lever head on the dial inserts in the combination disk spline, pushes away the password club head and goes out spline, and password bar skewed slot is slipped on the top of motion bar, the spacing ring from the password bar of limited location fork club head is shifted to the password bar, has separated this password.Here it is to be noted that each password bar is exactly a password position.Password masthead portion on the password position that sets all in spline, treats that the dial-up lever pushes away, do not set not in groove.When dial-up is correct, all the password club heads leave spline and have decided the position no longer mobile, gag lever post on the dial pierces into code holes and to code holes, when alignment pin was deviate from from locating hole, the cross head shaft joint was under big stage clip pressure, near dial, be unlocking condition this moment, key can drive lock core, and dial drives suitable, the arbitrarily rotation counterclockwise of sleeve by the cross head shaft joint.At this moment the eccentric shaft of sleeve or eccentric rod can be stirred built-in lock mechanism or directly open door.

Advantage of the present utility model is:

1, the lock core of cylinder lock and combination disk closely combination in a mechanism.

2, parts are connected in series combination on same axis, and outside combination disk and facial lock core go to pot, and are still the locking attitude door of not opening.

3, mechanism kinematic is steady, and sound is little.

4, this lock can link separately or with built-in lock, and is easy to use.

Accompanying drawing and drawing are described as follows:

Fig. 1 blocking sectional view of not decoding.

Fig. 2 unlocking condition sectional view of having decoded.

Fig. 3 dial-up lever, spline and password bar drawing of site.

Fig. 4 gag lever post with concern drawing of site with code holes.

Fig. 1 to Fig. 4 drawing symbol description:

1 key, 11 pointers,

2 lock housings, 21 grooves, 22 preceding holes, 23 metapores, 24 locating holes,

3 lock cores

4 dial, 41 dial-up levers, 42 lever extension springs, 43 dishes, 431 code holes, 44 pairs of code holes, 45 half-moon grooves, 46 small extension springs, 47 prominent heads, 48 make an inventory little, 401 centre bores,

5 cross head shaft joints, 51 disks, 511 gag lever posts, 52 floral discs, 521 spacing fork arms, 522 motion bars, 523 through holes, 53 front axles, 531 end faces, 54 rear axles, 55 axles of having strong market potential, 56 alignment pins,

6 combination disk, 61 password bars, 611 spacing rings, 612 skewed slots, 62 reseting pressuring springs, 63 slotted holes, 64 splined holes, 641 splines,

7 big stage clips,

8 sleeves, 81 endoporus, 82 eccentric shafts, 83 featherways,

9 built-in locks, 91 dead bolts,

The utility model is described in further detail below in conjunction with the example of accompanying drawing:

Fig. 1 is the blocking sectional view of not decoding, and Fig. 2 is the unlocking condition sectional view of decoding.The process of opening this coded lock from Fig. 1 to Fig. 2 state is such: at first will insert with the key (1) of pointer (11) lock cylinder (3) hole with hand, open cylinder lock earlier, pointer (11) on the key (1) rotates toward a direction of setting from original " 0 " position beginning, begin to forward to first figure case, pointer (11) forwards this yard position to, changeing an angle pushes this yard position more in the other direction again, the password of She Dinging in this way, then dial-up is finished, again key is forwarded to next password position, repeat above-mentioned dial-up action.Key when dial-up (1) rotates synchronously together with lock core (3), dial (4), dial-up lever (41) head on the dial (4) enters combination disk (6) spline (641) interior pushing tow password bar (61) and pushes away its internal construction of spline (641) referring to Fig. 3, at this moment, then motion bar (522) head on cross head shaft joint (5) floral disc (52) enters the skewed slot (612) on the password bar (61), block password bar (61), the spacing fork arm (521) on the disk (51) stretches to the bar portion of password bar (61) from spacing ring (611).As can be seen from Figure 4, when dial (4) was rotated, the head of the gag lever post (511) on the disk (51) was gone up to slide at sheet dish (43) and is then entered code holes (44) after all the password dial-up is finished after being introduced into code holes (431) under big stage clip (7) effect.Simultaneously, whole cross head shaft joint (5) is by shifting to dial (4) under the effect of big stage clip (7), and combination disk (6), its displacement equal sheet dish (43) code holes (431) and to two hole depth sums of code holes (44).Simultaneously, the alignment pin (56) on the disk (51) shifts out locating hole (24), forms key (1), and lock core (3), dial (4), cross head shaft joint (5) be the situation of interlock synchronously.The result of key (1) interlock, axle (55) the drive featherway (83) of having strong market potential reverses sleeve (8) is rotated, and the dead bolt (91) that the eccentric shaft (83) on the sleeve (8) is stirred built-in lock (9) finally reaches the purpose of opening door lock.Eccentric shaft (82) is direct kayser door also.General 0 to 90 the length radioactivity groove group double figures sign indicating number that adopts of groove.

What be also pointed out that is, the corresponding motion bar in each password position (522), spacing fork arm (521), password bar (61) and spline (641), they at grade, the spacing ring (611) that does not enroll on the password bar (61) on the password position of cipher code set makes password bar (61) head leave spline (641) to the core displacement, and making this password position is position A.

Fig. 3 has provided splined hole (64) and has established seven pointed shape spline (641).

Claims (1)

1, a kind of mechanical lock of dialling password with key, there is box-like lock housing (2) in this mechanism, preceding hole (22) edge garden post lock cylinder (3) is opened in lock housing (2) front, metapore (23) edge sleeve (8) is opened in lock housing (2) back relative with preceding hole (22), between lock core (3) and sleeve (8), be connected in series dial (4), cross head shaft joint (5) on the coaxial position, dial (4) overcoat combination disk (6), lock core (3) hole is established dial-up key (1) lock housing (2) front and is provided with a border groove and number (21), it is characterized in that:

Dial-up key (1) length is greater than the length of lock core (3) post, fixed disc shape dial (4) on the inner cylinder of lock core (3), and in combination disk (6), rotate,

The disk (51) that is fixed with perpendicular to axle on the axle of cross head shaft joint (5) forms front axle (53) and rear axle (54), disk (51) outer rim groove is established movable floral disc (52), between disk (51) and the lock housing (2) cylindrical big stage clip (7) is arranged, be enclosed within rear axle (54) and sleeve (8) outside, one side vertical fixing, one gag lever post (511) of disk (51) also stretches to dial (4), the opposite side of disk (51) is established alignment pin (56), locating hole (24) on alignment pin (56) and the lock housing (2) matches, on floral disc (52), establish through hole (523) and cross motion bar (522), also be fixed with spacing fork arm (521) on the floral disc (52), motion bar (522) and spacing fork arm (521) stretch in the slotted hole (63) that password bar (61) is installed, the front axle (53) of cross head shaft joint (5) stretches in dial (4) centre bore (401), there is an axle (55) of radially having strong market potential greater than diameter its rear axle (54) end

On dial (4) axle rotatable lamella dish (43) is installed, that opens on code holes of being opened on the sheet dish (43) (431) and the dial (4) is big or small together to code holes (44), with the footpath, the half-moon groove of being opened on the prominent head of feather key (47) and the dial (4) (45) also is set on the sheet dish (43) to match, in addition, between dial (4) and sheet dish (43), there is small extension spring (46) to link, with establish a dial-up lever (41) on the outer rim of dial (4), the extension spring (49) that little axle of its fulcrum (48) and dial-up lever (41) inner end link makes the slippage in combination disk (6) splined hole (64) of dial-up lever (41) outer end

Combination disk, (6) and lock housing, (2) fix, with dial, (4) combination disk that matches of outer rim, (6) establish the heavy caliber splined hole in the heart, (64), its splined hole, (64) establish spline, (641), spline, (641) be pointed shape, combination disk, (6) establish radially slotted hole entad in, (63), slotted hole, (63) small end stretches into spline, (641) in, slotted hole, the password bar is installed (63), (61) and spacing ring, (611), the password bar, (61) outer end links reseting pressuring spring, (62), spacing ring, (611) be enclosed within the password bar, (61) on, the password bar, (61) also be provided with the location skewed slot on, (612)

Sleeve (8) is established pack into the rear axle (54) of cross head shaft joint (5) of endoporus (81), and sleeve (8) also has featherway (83) axle (55) of having strong market potential of packing into, and sliding links, and sleeve (8) does not have eccentric shaft (82) or eccentric rod in the outside of pin boss (2).

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