CN2428547Y - Anti-theft lock - Google Patents

Abstract

The utility model relates to a mechanical anti-theft lock, which is composed of a lock body, a driving device of a wind tongue, a driving device of a main lock tongue, a lock head, a key, a subsidiary lock, an indoor locking device, bolt devices, a spanner, and a back cover of the lock body, wherein, a position limiting slide plate with an upper and a lower tooth and an arc teeth is fixed above the main lock tongue; an upper and a lower clamping plates arranged on the upper side of a position limiting plate are respectively clamped in the upper and the lower tooth of the position limiting slide plate; the upper and the lower bolts are connected with the main lock tongue by a connecting plate and a rivet shaft. When the lock is closed, the upper and the lower bolts, and the main lock tongue synchronously extend out of the lock body, a subsidiary lock body and a baffle plate of the subsidiary lock are positioned in an outer protective plate, and the top end of a marble extends out of the outer protective plate. After the subsidiary lock is closed, the baffle plate of the subsidiary lock downwards moves to baffle a lock core, and the back upper part of the key is provided with a teeth which is used for being engaged with the marble and opening the subsidiary lock.

Description

Theftproof lock

The present invention relates to a kind of theftproof lock.Lockset is requisite strick precaution articles for use in the routine work life, can not satisfy society's strick precaution requirement because present lockset already develops, and causes the stolen phenomenon of social unit and family more serious, gives social work, and family life is brought very big influence.

In order to improve the lockset fixing, security door producer generally adopts every fan door two locks to be installed and to be increased indoor tapered end method, but so still can not tackle the problem at its root, otherwise there is inconvenience in the operation, for example two lockset two key kits are opened a lock and are opened second lock again, increased the program of unblanking, the function of improving the precaution, occur not knowing and for example which lock is that to open be the pass during two different unblanking of lock core opening direction easily, after the particularly indoor tapered end locking, if the phenomenon that outstanding situation is easy to occur do not open in flurried door takes place.

The purpose of this invention is to provide a kind of simple to operate, Three-bearing insurance, wind tongue, main dead bolt move and are provided with the theftproof lock of secondary lock step by step, form Multi-point locking after the locking, lock core is lived by pair is locked, key can't insert lock core.

To achieve these goals, concrete solution of the present invention is as follows;

Theftproof lock of the present invention is by lock body, wind tongue transmission device, and main dead bolt transmission device, tapered end, key, secondary lock, indoor blocking device, bolt device, wrench, the lock body bonnet is formed.

Lock body is used to install wind tongue transmission device, main dead bolt transmission device and fix in addition part of each, and by wind tongue hole, main dead bolt hole, the shifting lever axis hole, driving hole, the upper and lower cotter joint hole is formed.

Wind tongue transmission device is by the wind tongue, the wind hyoplastron, and wind tongue spanner, restoring lever, shifting lever, hold-down screw, wind tongue location-plate, torsion axis, two-way torsion spring is formed.Main dead bolt transmission device is provided with main dead bolt, limit skateboard, limiting plate, lock core turning wheel, following button spring axle, following button spring, slide plate screw, plane trim ring.The tapered end rear is provided with the tail bar, and key is provided with main lock teeth, secondary lock teeth.The secondary lock by outer casing, switch knob, secondary stopper plate, pellet shot from a slingshot, the pellet shot from a slingshot spring, auxiliary lock body, cover plate, runner, secondary lock lever, back-up ring is formed.Indoor blocking device is locked spanner by pair, spring fastening, and spring, the spring top board, interior turning wheel, junction plate is formed.Bolt device is provided with upper and lower cotter joint, slide plate up and down, and bolt axle, guide slot up and down, orientation axes up and down, the riveting axle is formed.Be covered with the wrench shaft hole behind the lock body, the bonnet fixing hole.

Theftproof lock is characterised in that; Lock body is cavity-like, but main dead bolt laterally is movably arranged on lock body centre position and move left and right by lock body, its top is by the slide plate screw, the below is provided with the arc teeth, intermediate lateral is provided with rectangular groove, following teeth and top have teeth, the limit skateboard of wind tongue baffle plate, be fixed with in centre position, limit skateboard rear and be used for making upper slide by oblique slideway up and down, the riveting axle that lower skateboard moves up and down, be used to control up and down that the orientation axes of slide plate is passed the rectangular groove of limit skateboard intermediate lateral and fixedly bottom the lock body, the limiting plate that two ends have a mobile slideway passes slide-bar and is movably arranged on the limit skateboard top, and make its parallel up and down moving by the plane trim ring, under the peacetime state, the limiting plate top is provided with the last clamp that is used to control main dead bolt stroke, following clamp, snap in teeth on the limit skateboard respectively, make the main dead bolt can not move left and right in the following teeth, following torsion spring set is loaded on the following torsion axis of lock body below, one end is stuck in the lock body cavity wall, the other end snaps under the limiting plate and also firmly makes limiting plate be in lower position all the time downwards bottom the mobile slideway, the slide plate up and down of bolt device lays respectively in the lock body cavity rear side upper and lower and shape in an overlapping, the riveting axle passes oblique slideway fixedlys connected with the limit skateboard that main dead bolt top is provided with, guide slot snaps in up and down orientation axes respectively up and down, and upper and lower cotter joint is connected with slide plate two ends up and down through bearing pin.

The top has the lock core turning wheel that main hammerlock below has driving lever and is movably arranged on below in the lock body by the tube axle that has tail bar jack, the wind tongue passes lock body wind tongue aperture hold-down screw and is connected with wind hyoplastron front end, and the wind tongue location-plate that is fixed on the lock body bottom is passed in wind hyoplastron rear end.The shifting lever upper end that the lower end is movably arranged on lock body is passed wind hyoplastron shifting lever hole and is coincide with lock body bonnet wrench shaft, and driving lever is stuck in the driving lever groove of below, wind hyoplastron side making and settlement.The torsion axis bottom that is fixed on lock body cavity bottom top is set with restoring lever top and is set with an end and snaps in the two-way torsion spring that the wind tongue other end snaps in restoring lever.

The front is provided with the location square hole, wind tongue spanner, switch knob, pellet shot from a slingshot, the outer casing of key hole is rectangular cavity-like, runner is contained on the interior wind tongue spanner square shaft of cavity, the centre is provided with the baffle plate key hole, and pellet shot from a slingshot slotted hole, the secondary stopper plate in pellet shot from a slingshot hole vertically are movably arranged on below in the outer casing cavity, secondary lock lever top snaps in the secondary stopper plate square hole other end and is contained in and is fixed on the switch knob axle through circular hole, auxiliary lock body is a rectangle, laterally has some pellets shot from a slingshot that are used to hold, and the through hole of pellet shot from a slingshot spring and crosswise fixed are in the outer casing cavity, the centre has the pellet shot from a slingshot top of pellet shot from a slingshot groove and stretches out outer casing, and the auxiliary lock body bottom is sealed by cover plate.

The wind tongue spanner that connects wind tongue spanner square shaft is equipped with in top, inner casing front, be provided with the pair lock spanner that is used for the indoor locking of unblanking below, spring fastening is to have a rectangular groove in the middle of the rectangle, the vertical axis hole that is used for by pair lock spanner axle top circular shaft that has with groove, the end face correspondence is housed respectively in the rectangular groove and snaps in the secondary spring top board of locking low groove on the spanner axle, two spring top boards inwardly firmly push against the secondary spanner axle of locking simultaneously under the spring action of both sides.

The lock body bonnet is rectangle, and the top intermediate open position is useful on the circular hole that shifting lever is installed, and the below is equipped with interior turning wheel and is had some bonnet fixing holes by the tube axle.On the key front end, the left and right side plane has some main lock teeth that are used to open locking master lock, has the pair lock teeth that are used to open secondary lock above the rear.

Below in conjunction with accompanying drawing example of the present invention is described in further detail

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Lock body [40] cavity-like that is rectangle, main dead bolt [1] laterally is movably arranged on lock body [40] by lock body [40] but interior centre position of cavity and move left and right, have arc teeth [42] intermediate lateral below its top is fixed with by fixing threaded hole [46] slide plate screw [37] and be provided with rectangular groove, there is the limit skateboard of last teeth [43] wind tongue baffle plates [9] following teeth [44] and top, the rear position is fixed with the riveting axle [17] that is used for descending oblique slideway [18] and upper slide [11] lower skateboard [19] being moved up and down by last oblique slideway [16] in the limit skateboard [9], the slide plate orientation axes [24] that is used to control upper slide [16] lower skateboard [19] is passed the rectangular groove of limit skateboard [36] intermediate lateral and fixedly bottom the lock body [40], the limiting plate [35] that two ends have mobile slideway [47] is movably arranged on limit skateboard [36] top and makes it keep balance when moving up and down by plane trim ring [34], be provided with in following torsion spring [32] effect lower limiting board [35] top during peacetime state be used to control main dead bolt [1] stroke last clamp [49] down clamp [50] snap in limit skateboard [36] respectively and go up under the teeth [43] in the teeth [44], make the main dead bolt [1] can not move left and right, following torsion spring [32] is set in the following torsion axis [33] of lock body [40] below, one end snap in lock body [40] the cavity wall other end snap in limiting plate [35] underside slideway [47] bottom push down downwards limiting plate [35] make its can not on move, the top has the lock core turning wheel [29] that main hammerlock [26] below has main lock driving lever [27] and snaps in the tube axle that has tail bar jack [28], be movably arranged on below in the lock body [40], wind hyoplastron [4] one ends insert in the slot [39] that wind tongue [2] rear pass lock body [40] is provided with and are fixing by set bolt [3], the other end pass the wind tongue location-plate [10] that is fixed on lock body [40] top but and move left and right, the upper end, shifting lever hole [100] that the shifting lever [8] that the lower end is movably installed in lock body [40] is provided with by wind hyoplastron [4] front matches with the spanner axis hole [57] of lock body bonnet [58] top, driving lever [103] is stuck in the driving lever groove [102] of wind tongue [4] side, torsion axis [7] bottom that is fixed on lock body [40] cavity top is set with restoring lever [6] top and one end is housed snaps in the two-way torsion spring [5] that wind tongue [2] other end snaps in restoring lever [6] one tops, under its effect, wind tongue [2] front portion is stretched out lock body [40] all the time.Restoring lever [6] other end is inwardly pushed down driving lever [103] all the time, upper slide [11] lower skateboard [19] is respectively equipped with under the oblique slideway [16] oblique slideway [18] and fixedlys connected with limit skateboard through the riveting axle [17] that passes oblique slideway, the following latch [23] of two slide plate tops latch [13] in upper pin [12] lower bearing pin [22] connection, last guide slot [14] guide slot [21] down snaps in orientation axes [20] under the orientation axes [15] respectively, the front is provided with outer casing [91] cavity-like that is rectangle of location square hole [92] wind tongue spanner [71] switch knob [79] pellet shot from a slingshot [78] key hole [80], runner [83] is installed on the interior wind tongue spanner square shaft [105] of cavity, the secondary stopper plate [76] that has pellet shot from a slingshot hole [95] pellet shot from a slingshot slotted hole [99] baffle plate key hole [96] baffle holes [93] vertically is movably arranged in outer casing [91] cavity, secondary lock lever [88] top snaps in the square hole [98] that secondary stopper plate [76] is provided with, the other end is fixed on switch knob [79] axle through circular hole, auxiliary lock body [85] is a rectangular shape, along laterally have some be used to hold pellet shot from a slingshot spring [86] and have pellet shot from a slingshot groove [77] top stretch out the pellet shot from a slingshot of outer casing [91], cover plate [87] is sealed the below.Pellet shot from a slingshot groove [77] is blocked by pellet shot from a slingshot slotted hole [99] under the peacetime state, pellet shot from a slingshot spring [86] compression, secondary stopper plate [76] is the position up, baffle plate key hole [96] and positive key hole [80] kissing of outer casing [91], bolt passes tapered end [89] connecting hole [30] and is connected with tapered end [89], lock core exposes and can insert key, rotating wind tongue spanner [71] wind tongue spanner square shaft [105] drive runner [83] runner protuberance [84] to a side makes secondary stopper plate [76] move down downwards, pellet shot from a slingshot groove [77] slides along pellet shot from a slingshot slotted hole [99], baffle plate key hole [96] breaks away from outer casing [91] front key hole [80] and is blocked by secondary stopper plate [76], pellet shot from a slingshot spring [86] is upheld jack-up pellet shot from a slingshot [78] and is formed secondary locking lock when slipping pellet shot from a slingshot hole [95], and the preceding left and right sides end face of going up of key [54] has the some secondary lock teeth [55] that main lock teeth [56] back upper place is provided with.

The wind tongue spanner [71] that the positive top of inner casing [66] is installed with wind tongue spanner square shaft [70] king-bolt hole [65] and connects by fixed card ring [72], the spring fastening [67] that is fixed in the lower cavity is provided with the vertical hole that is used for by pair lock wrench shaft top circular shaft that has with groove of rectangular groove for rectangle is middle, it is corresponding and snap in the spring top board [69] of both sides spanner grooves [53] that end face is housed respectively in the groove, half arc axial plane [52] backed down two springs [68] respectively and drives an end and snaps in interior junction plate [73] rotation of pair lock tube axle [64] connecting hole [61] of being equipped with below translot [51] other end insertion lock body bonnet [58] when secondary lock spanner [74] rotated, be fixed on interior turning wheel [60] on the secondary lock tube axle [64] when rotating secondary lock driving lever [62] upwards cambered surface [48] is coincide and jack-up limiting plate [35] makes under the clamp [49] in clamp [50] disengaging teeth [44] under the teeth [43] with stirring of being provided with of limiting plate [35] below earlier, when being rotated further forward (back) stir arc teeth [42] make main dead bolt forward (back) move, the following gear shaft [41] that limit skateboard [36] was provided with when main dead bolt [1] stretched out lock body [40] is fully pushed the main hammerlock [26] of lock core turning wheel [29] top to anterior position and is blocked, key [54] can't be regained even open the main dead bolt of tapered end [89] [1], key [54] lock core drives the top and inserts the tail bar [90] of tail bar jack [28] and lock core turning wheel [29] is upwards rotated, main lock driving lever [27] through stir cambered surface [48] jack-up limiting plate [35] stir arc teeth [42] forward (back) mobile, when main dead bolt [1] stretches out lock body [40] fully, secondary pintle hook lock plate [25] promotes forward on the interior turning wheel [60] secondary hammerlock [63] forward and be blocked, the wind tongue jam plate [45] of wind tongue baffle plate [9] lower end blocks wind hyoplastron [4] rear end face forward, and lock body bonnet [58] is rectangular shape and is provided with some bonnet fixing holes [59] and spanner square shaft hole { 57}.

Claims (1)

1. theftproof lock is by lock body, wind tongue transmission device, and main dead bolt transmission device, tapered end, key, secondary lock, indoor blocking device, bolt device, spanner, the lock body bonnet is formed,

It is characterized in that: 1) lock body [40] cavity-like that is rectangle, main dead bolt [1] laterally is movably arranged on by lock body [40] and has arc teeth [42] intermediate lateral below its top, centre position is fixed with by slide plate screw [37] in lock body [40] cavity and be provided with rectangular groove, there is the limit skateboard of last teeth [43] wind tongue baffle plates [9] following teeth [44] and top, the rear position is fixed with the riveting axle [17] that is used for descending oblique slideway [18] and upper slide [11] lower skateboard [19] being moved up and down by last oblique slideway [16] in the limit skateboard [9], the limiting plate [35] that two ends have mobile slideway [47] is movably arranged on limit skateboard [36] top, the last clamp [49] that is used to control main dead bolt [1] stroke clamp [50] down snaps in limit skateboard [36] respectively and goes up teeth [43] down in the teeth [44], all the time be in the below at torsion spring [32] effect lower limiting board [35], 2) upper slide [11] lower skateboard [19] is respectively equipped with under the oblique slideway [16] oblique slideway [18] and the riveting axle [17] through passing slideway is fixedlyed connected with limit skateboard [36], upper slide [11] is gone up top lower skateboard [19] and latch [23] under the last latch [13] that upper pin [12] lower bearing pin [22] flexibly connects is housed the top respectively down, 3) front be provided with the location square hole [92] wind tongue spanner [71] switch knob [79] pellet shot from a slingshot [78] key hole [80] outer casing [91] be rectangular cavity-like, runner [83] is installed on the interior wind tongue spanner square shaft [105] of cavity, the secondary stopper plate [76] that has pellet shot from a slingshot hole [95] pellet shot from a slingshot slotted hole [99] baffle plate key hole [96] baffle holes [93] vertically is movably arranged in outer casing [91] cavity, secondary lock lever [88] top snaps in the square hole [98] that secondary stopper plate [76] is provided with, the other end is fixed on switch knob [79] axle through circular hole, auxiliary lock body [85] is a rectangular shape, along laterally having some pellet shot from a slingshot spring { 86} and have the pellet shot from a slingshot { 78} that outer casing [91] is stretched out on recessed poor [77] top of pellet shot from a slingshot that are used to hold, 4) inner casing [66] is cavity-like, the spring fastening [67] that is fixed in the lower cavity is rectangle, there is the vertical hole that is used for by pair lock wrench shaft top circular shaft that has with groove of rectangular groove the centre, be equipped with respectively in the groove the corresponding and spring top board [69] that snaps in both sides spanner grooves [53] of end face up and down two springs [68] inwardly prop up top board simultaneously, 5) anterior upper left right three end faces of key [54] have main lock teeth, and the back side top end face has to be used and the pair lock teeth [55] of coincideing in pellet shot from a slingshot [78] summit and opening secondary lock.

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