CN200989103Y

CN200989103Y - Inserting bolt type antitheft door automatic lock

Info

Publication number: CN200989103Y
Application number: CN 200620147170
Authority: CN
Inventors: 张立成
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-29
Filing date: 2006-12-29
Publication date: 2007-12-12
Anticipated expiration: 2016-12-29

Abstract

The utility model relates to an automatic lock for a core-inserting type anti-theft door, which comprises a lock casing, a lock body front panel, a handle, a lock plunger, a lock head, an inclined lock tongue, an inclined lock tongue bar connected with inclined lock tongue, a poking bar connected with the rear end of the inclined lock tongue bar and an upper lock plunger linkage sheet and a lower lock plunger linkage sheet arranged in the lock casing, wherein the lock plunger is fixed on the outer side of an L-shaped push plate; a bearing guide bar and a rotating guide bar respectively pass through the L-shaped push plate; the bearing guide bar is sleeved by a pressing spring; a T-shaped anti-prying lock plunger which is able to rotate linearly is arranged in middle part of the lock body; the L-shaped push plate is provided with a fan-shaped rotation disk with teeth, so poking teeth of the lock head, via gear transmission, drive the fan-shaped rotation disk and then propel the L-shaped push plate to drive the lock plunger to move; the handle is connected with a polygon poking bar, which can turn the fan-shaped rotation disk; one side of the L-shaped push plate can fit by the clasping method with a long strip-shaped poking bar for positioning of the L-shaped push plate; a safety device and an anti-wind device are arranged at the handle part. Operation of the lock plunger is controlled by controlling the fan-shaped rotation plate in the lock body via rotation of the handle or the safety turn-button. The utility model has the advantages of high safety coefficient, simple structure, convenient usage as well as excellent ruggedness and functions of indoor-outdoor interlocking, self-locking, T-shaped anti-prying lock plunger self-rotating, indoor guarding, key back locking, wind resisting as well as emergency unlocking etc.

Description

Core-inset type security door automatic locking

Technical field

The utility model relates to a kind of automatic locking, and In-particular refers to be used for the automatic locking of security door.

Background technology

Existing security door automatic locking on the market, safety factor is low, use is convenient inadequately, insufficiency.Chinese patent 01202446 disclosed automatic locking comprises lock housing, lock core, transmission mechanism, dead bolt, interior handle; Transmission mechanism comprises: lock core and the plectrum, drive plate, connecting rod, the dead bolt that link to each other successively; Drive plate links to each other with a plurality of dead bolts by connecting rod, main torsion spring one end is fixed on the lock housing, and the other end links to each other with interior handle, is provided with safeties in the interior handle, bumper bar is located at and can be insured the hole accordingly with bumper bar and be located on the relative static parts with knob on the parts that rotation axis rotates.Because in the handle, lock body structure compactness, reliable transmission were opened flexibly in safeties were located at.Chinese patent 00252337 discloses the security door automatic locking, it is made up of lock housing, lock core, connecting rod and locking bolt, lock core is fixed on the lock core fixed head, be provided with the lock core shift fork at the lock core back side, stir dial by this lock core shift fork, dial connects straight connecting rod and curved rod by connecting pin respectively, and the other end of straight connecting rod connects the locking bolt fixed head by connecting pin, this locking bolt fixed head is provided with locking bolt and hollow locking bolt, and the other end of two curved rods is connected with two struts respectively by the strut guide finger.Though above-mentioned lock has certain improvement, and is still unsatisfactory, the locking bolt advance and retreat have dancing, the location inaccuracy; There is certain frictional resistance in the locking bolt operation, the not only application life of influence lock, and desensitization.Secondly, tiltedly dead bolt inserts in the dead bolt hole automatically at closing time, and door can not be left unlocked or unlatched, and people outdoors need unblank just can enter the room.

Summary of the invention

The purpose of this utility model is, a kind of core-inset type security door automatic locking is provided, and solves the above-mentioned problem that is latched in.

The purpose of this utility model is achieved by the following technical solution: core-inset type security door automatic locking, comprise that lock housing, lock panel, handle, locking bolt, tapered end, oblique dead bolt and connected inclined lock tongue pole, inclined lock tongue pole periphery are with spring, the pusher dog of inclined lock tongue pole rear end connects driving lever, upper and lower locking bolt double-action plate is positioned at lock housing near locking bolt one side, have two circular holes between L shaped push pedal facade two locking bolts, load-bearing guide peg and rotary steering bar pass its circular hole respectively; The load-bearing guide peg is with stage clip, and its two ends are fixed on the lock housing; Rotary steering bar one end connects T shape locking bolt, and the other end inserts in the spiral guide tube that is fixed on the lock housing; A vertically-guided bar penetrates in the locking bolt gathering sill of L shaped push pedal one side on the lock housing, L shaped push pedal is provided with a fan-shaped rotating disc, and fan-shaped rotating disc circle centre position is fixed a hollow shaft, and the axle center is a polygonal hole, half heel teeth is fixed on hollow shaft top, and the vertically-guided bar inserts in the deep-slotted chip breaker of fan-shaped rotating disc; The moving tooth engaged transmission gear at tapered end middle part connects the half of tooth of fan-shaped rotating disc, the L shaped push pedal that links of fan-shaped rotating disc, L shaped push pedal one side can engage with the strip driving lever: the polygon inserted link in the handle matches with the polygonal hole of fan-shaped rotating disc, and the polygon inserted link drives fan-shaped rotating disc rotation when rotating handle.

The lock body middle part is provided with coaxial upper and lower half of tooth and gap bridge tooth, the moving tooth engagement of second heel teeth and tapered end, first heel teeth and the engagement of gap bridge tooth, the half of tooth engagement of gap bridge tooth and rotating disc.The half of gear axis of fan-shaped rotating disc is the polygon of interior sky, and the polygon inserted link of handle the inner is meshed with half of gear polygon axle center.

Insurance is located at the handle place with wind-proof device, and safeties comprise the insurance fanning strip, insure helix tube, are positioned at Insurance Block and insurance knob on the panel, and the insurance fanning strip has a polygonal hole by circle centre position, and fan-shaped two jiaos respectively have a circular hole; Polygon inserted link front end inserts in the polygonal hole and with the fan-shaped rotating disc polygon axle center in the lock housing and matches, polygon inserted link rear end is enclosed within the return pipe, there is a roomy breach return pipe rear end, about rotatable 90 degree of return pipe, the return pipe inserts in the endoporus of handle, and screw rod is positioned on the handle after passing handle and breach.By rotating the fan-shaped rotating disc in insurance knob or the handle control lock body.

The utlity model has the safety factor height, simple in structure, easy to use, durability is good.The load-bearing guide peg be arranged so that locking bolt location is more accurate, significantly reduce the frictional resistance of locking bolt operation, open more flexible.Polygon inserted link driven rotary dish in the handle promotes L shaped push pedal and moves, and fan-shaped displacement sheet and safeties interlock are played interlock and unblanked the effect of windproof insurance.This lock also have indoor and outdoor interlockable, automatically lock, rotate automatically T type pick-proof bolt, function such as indoor insurance, windproof, emergent unlocking.

Description of drawings

Fig. 1 is the utility model lock body assembly schematic diagram;

Fig. 2 is lock cover figure; Fig. 3 is upper and lower locking bolt push-pull piece schematic diagram;

Fig. 4 is the spiral guide tube expanded view; Fig. 5 is spiral guide tube moulding figure;

Fig. 6 is insurance fanning strip schematic diagram; Fig. 7 is hexagonal rod figure;

Fig. 8 is a return pipe schematic diagram; Fig. 9 is insurance helix tube expanded view;

Figure 10 is insurance helix tube shaping schematic view; Figure 12 is a night bolt assembly schematic diagram;

Figure 13 is insurance knob figure; Figure 14 is insurance knob sectional drawing;

Figure 15 is a lock body facing plate; Figure 16 is the handle schematic diagram.

The dash number explanation:

Lock housing 1, lock panel 2, L shaped push pedal 3, locking bolt 4, turn bolt 5, copper sheathing 6, load-bearing guide peg 7, rotary steering bar 8, guide finger 9, angle bar 10, fan-shaped rotating disc 11, the half of tooth 12 of rotating disc, stage clip 13, gap bridge tooth 14, first heel teeth 15, tapered end 16, driving lever 17, pusher dog 18, inclined lock tongue pole 19, tiltedly dead bolt 20, stir nail 21, fan-shaped displacement sheet 22, polygon inserted link 23, return pipe 24, cover plate 25, insurance helix tube 26, nut 27, Insurance Block 28, night bolt 29, stage clip 30, guide finger 31, latch knob 32, facing plate 33, handle 34, spiral guide tube 35, on, following locking bolt pushing piece 36, handle hole 37, tapered end hole 38, Insurance Block hole 39, locking bolt gathering sill 40, deep-slotted chip breaker 41, second heel teeth 42, tapered end moving tooth 43, vertically-guided bar 44, polygon jack 45, night bolt 46, breach 47, night bolt locating hole 48,49, oblique corner slots 50.

The specific embodiment

Below in conjunction with accompanying drawing the utility model being done one describes in detail

See also Fig. 1, as shown in Figure 1, core-inset type security door automatic locking, comprise that lock housing 1, lock panel 2, handle 34, locking bolt 4, tapered end 16, oblique dead bolt 20 and connected inclined lock tongue pole 19, inclined lock tongue pole periphery are with spring, the pusher dog 18 of inclined lock tongue pole rear end connects driving levers 17, locks to tie moving plate 36 and following locking bolt double-action plate 36 is positioned at the close locking bolt place of lock housing.Two locking bolts 4 are fixed on a L shaped push pedal 3 outsides, have circular hole between L shaped push pedal 3 facades two locking bolts and lead and ask that bar 7 and rotary steering bar 8 pass respectively for load-bearing; The load-bearing guide peg is with stage clip 13 two ends and is fixed on the lock housing 1; There is a locking bolt gathering sill 40 in L shaped push pedal left side, and a vertically-guided bar 44 penetrates in the gathering sill 40 on the lock housing, and L shaped push pedal is provided with a toothed fan-shaped rotating disc 11, has a deep-slotted chip breaker 41 on it, and vertically-guided bar 44 inserts in the deep-slotted chip breaker 41; The moving tooth 43 at tapered end middle part drives fan-shaped rotating disc 11 by gear drive, and fan-shaped rotating disc 11 promotes L shaped push pedal 3 and moves, and L shaped push pedal drives locking bolt 4 and moves.L shaped push pedal 3 one sides can engage with strip driving lever 17; Polygon inserted link 23 in the handle 34 matches with the polygonal hole 45 of fan-shaped rotating disc 11.

The bottom surface of lock housing 1 is provided with the tapered end hole, locking bolt hole and lock panel hole are established in half of tooth assembly hole, side up and down, also is provided with driving lever assembly nail hole, gap bridge finger hole, holes such as load-bearing guide peg nail hole, lock housing and lock cover connecting hole.Other is provided with the fixing sheet of tapered end, oblique porose sheet of dead bolt, and last locking bolt pushing piece 36 is placed in lock housing by locking bolt 4 places, and lock panel is fixed on the lock housing side.

Lock cover 25 (see figure 2)s which is provided with some holes that are complementary with lock housing, and maximum one is tapered end hole 38.Following locking bolt pushing piece 36 is placed in cover plate 25 inboards.

Upper and lower locking bolt pushing piece 36 (see figure 3)s one end is provided with lateral hook can hook (or down) locking bolt brace, and the centre is provided with oblique promotion groove, two be provided with locating slot and be enclosed within lock housing or cover plate on.

There is vertical elevation L shaped push pedal 3 both sides, and a long side is connected with the locking bolt hole that two locking bolts 4 and supply T shape rotary hook locking bolt 5 to pass.Upper and lower locking bolt pushing piece 36 is stirred nail and is fixed in the respective aperture of L shaped push pedal bottom surface.L shaped push pedal 3 laterally also has locking bolt gathering sill 40.Load-bearing guide peg 7 is positioned at lock body middle part, and the one end is provided with interior screw thread, passes L shaped push pedal after putting copper sheathing 6, is fixed on the lock panel 2 with screw.The load-bearing guide peg other end is fixed on the lock housing with screw, and load-bearing guide peg 7 is with stage clip 13.Turn bolt 5 is a T shape rotary hook, is connected with rotary steering bar 8 by internal thread, and rotary steering bar 8 other ends are provided with transverse holes, its outer spiral guide tube 35 that is with.Spiral guide tube 35 (seeing Fig. 4, Fig. 5) is that the sheet metal punching press rolls and forms, and which is provided with two corner slots, and guide finger 9 is arranged in the groove.Spiral guide tube 35 is fixed on the lock shell plate by angle bar 10.But when seesawing, guide peg 8 spends by the cooperation straight divert 90 of guide finger 9 and corner slots.

L shaped push pedal 3 is provided with a toothed fan-shaped rotating disc 11, fan-shaped rotating disc 11 circle centre positions are fixed a hollow shaft, are with a return spring on the axle, and the axle center is a polygonal hole 45, half heel teeth 12 is fixed on hollow shaft top, and vertically-guided bar 44 inserts in the deep-slotted chip breaker 41 of fan-shaped rotating disc 11; The moving tooth 43 engaged transmission gears at tapered end 16 middle parts connect the half of tooth of fan-shaped rotating disc 11.Driving lever in the handle 34 matches with the polygonal hole 45 of fan-shaped rotating disc 11, and when pulling handle, the polygon driving lever drives fan-shaped rotating disc 11, and fan-shaped rotating disc 11 promotes L shaped push pedal 3 drive locking bolts and retreats, and L shaped push pedal 3 one sides engage the location with strip driving lever 17; Locking

bolt

4,5 is in opening.Handle 34 connects safeties.

There is moving tooth 43 at tapered end 16 middle parts, and the lock body middle part is provided with coaxial upper and lower half of tooth 15 and gap bridge tooth 14,

second heel teeth

42 and 43 engagements of tapered end moving tooth, first heel teeth and 14 engagements of gap bridge tooth, half of tooth 12 engagements of gap bridge tooth and rotating disc.When opening the lock with the key, tapered end 16 moving teeth drive fan-shaped rotating disc 11 by travelling gear, and fan-shaped rotating disc promotes L shaped push pedal 3 and moves.

The inner polygon inserted link 23 of handle 34 (seeing Figure 16) matches with half of gear polygon axle center.When rotating handle 34, polygon inserted link 23 drives fan-shaped rotating disc 11 and rotates, and then drives L shaped push pedal and make locking bolt make recoil movement.In the indoor purpose of unblanking that reaches without key.

Safeties are seen Fig. 6～Figure 14, and insurance is located at handle 34 places, comprise insurance fanning strip 22, insurance helix tube 26, be positioned at Insurance Block 28 and insurance knob 32 on the panel.Insurance fanning strip 22 has a polygonal hole 45 by circle centre position, and a deep-slotted chip breaker is outwards arranged, and fan-shaped two jiaos respectively have a circular hole 48,49; Match in the polygonal hole 45 of polygon inserted link 23 front ends insertion fanning strip 22 and with fan-shaped rotating disc 11 half of gear polygon axle center, polygon inserted link 23 rear ends are fixed in the return pipe 24, there is a roomy opening 47 return pipe 24 rear ends, the return pipe inserts in the endoporus of handle 34, screw rod passes handle 34 and return pipe rear end breach, about also rotatable 90 degree of return pipe, return pipe 24 rear ends are positioned on the handle.

Insurance helix tube 26 is located in the Insurance Block 28, and night bolt 46 is positioned at Insurance Block 28, and is with spring 30, and its front end is taper, and night bolt 46 outer ends have screw thread 29 and latch knob 32 to be spirally connected.Insurance Block 28 front ends are inserted in the Insurance Block hole 39 of lock body facing plate 33, and are fixing with hex nut 27.When rotating latch knob 32, night bolt 46 can successively be stuck in the circular hole 48,49 that insures 22 liang of angles of fanning strip tapered end 16 can not be rotated.Insurance helix tube 26 is that two oblique corner slots 50 of punching press roll and form on the sheet metal; Guide finger 31 is positioned at oblique corner slots 50.

Facing plate 33 from bottom to top has tapered end hole 38, handle hole 37, Insurance Block hole 39 as Figure 15, and there is screw hole at two ends up and down.

Claims

1, core-inset type security door automatic locking, comprise that lock housing [1], lock panel [2], handle [34], locking bolt [4], tapered end [16], locking bolt [4] are fixed on a L shaped push pedal [3] outside, tiltedly dead bolt [20] connects inclined lock tongue pole [19], inclined lock tongue pole [19] is equipped with spring, inclined lock tongue pole [19] rear end connects pusher dog [18] and driving lever [17] successively, upper and lower locking bolt double-action plate [36] is positioned at lock housing near locking bolt one side, and it is characterized in that: load-bearing guide peg [7] and rotary steering bar [8] pass L shaped push pedal [3] side elevation respectively; Load-bearing guide peg [7] is with stage clip [13], and its two ends are fixed on the lock housing; Rotary steering bar [8] one ends connect T shape locking bolt [5], and the other end inserts in the spiral guide tube [35] that is fixed on the lock housing [1]; L shaped push pedal [3] is provided with a fan-shaped rotating disc [11], and fan-shaped rotating disc [11] circle centre position is fixed a hollow shaft, and the axle center is polygonal hole [45], and half heel teeth is fixed on hollow shaft top, and vertically-guided bar [44] inserts in the deep-slotted chip breaker [41] of fan-shaped rotating disc [11]; Moving tooth [43] the engaged transmission gear at tapered end [16] middle part connects the half of tooth of fan-shaped rotating disc [11], fan-shaped rotating disc [11] the L shaped push pedal [3] that links, and L shaped push pedal [3] one sides can engage with strip driving lever [17]; Handle [34] connects safeties, and the driving lever in the handle [34] matches with the polygonal hole [45] of fan-shaped rotating disc [11].

2, core-inset type security door automatic locking according to claim 1, it is characterized in that: the lock body middle part is provided with coaxial upper and lower half of tooth [15] and gap bridge tooth [14], second heel teeth [42] meshes with the moving tooth [43] of tapered end, first heel teeth and gap bridge tooth [14] engagement, gap bridge tooth [14] and the half of tooth of rotating disc [12] engagement.

3, core-inset type security door automatic locking according to claim 1, it is characterized in that: the safeties that handle [34] connects comprise insurance fanning strip [22], return pipe [24], insurance helix tube [26], are positioned at Insurance Block [28] and insurance knob [32] on the panel, insurance fanning strip [22] has a polygonal hole [45] by circle centre position, and fanning strip respectively has a circular hole [48] [49] for two jiaos; Match in the polygonal hole [45] of polygon inserted link [23] front end insertion fanning strip [22] and with hole, fan-shaped rotating disc [11] polygon axle center [45], polygon inserted link [23] rear end is fixed in the return pipe [24], return pipe rear end laterally is provided with a screw rod and inserts the hole [47] that back return pipe can rotate, and return pipe rear end and handle [34] flexibly connect; Insurance helix tube [26] is located in the Insurance Block [28], night bolt [46] is positioned at Insurance Block and is with spring [30], night bolt [46] front end is taper, can snap in respectively in the circular hole [48] [49] of [22] two jiaos of insurance fanning strips, and night bolt [46] rear end and latch knob [32] are spirally connected.

4, core-inset type security door automatic locking according to claim 3 is characterized in that: insurance helix tube [26] is that two oblique corner slots of punching press [50] roll and form on the sheet metal; Guide finger [31] is positioned at oblique corner slots [50].