CN209568807U - A kind of Anti-picking land lock - Google Patents

Abstract

The utility model discloses a kind of Anti-picking land locks, the ground box of lock box and strip including strip；The both ends of lock box are equipped with tongue apertures, middle part in lock box is equipped with lock core support, lock core is fixed in lock core support, lock box is stretched out at the mortise lock end of lock core, the two sides of lock core are equipped with the connecting rod across tongue apertures, along length of connecting rod to equipped with the U-shaped support mutually fixed with lock box, connecting rod is equipped with latch hook, the lower part of latch hook is equipped with groove, the lower section of groove is equipped with the hook lock through lock box bottom plate, the shaft across latch hook is equipped between groove and lock core, shaft is mutually fixed with lock box, the top of shaft is equipped with the long hole through latch hook, the push rod mutually fixed with connecting rod is equipped in long hole, connecting rod is equipped with the rack gear connecting with lock core close to one end of lock core, rack gear is slidably connected with lock box；The top of ground box is equipped with the ground lockhole being located at below hook lock.The utility model has the advantages that pick-proof ability preferably and reliability is preferable.

Description

A kind of Anti-picking land lock

Technical field

The utility model belongs to electric rolling door anti-theft lock field more particularly to a kind of Anti-picking land lock.

Background technique

Electric rolling door is usually used in retail shop, is opened and closed up and down using motor as power.When electric rolling door is in closed state When, the state of locking a door of electric rolling door is maintained with the self-lock force of motor.Then the self-lock force of motor and little, electric rolling door ratio It is easier to be pried open.

Currently, also there is the ground lock for being installed on electric rolling door bottom in the market, there is lock tongue at the both ends of ground lock, works as electric rolling When gate is closed, the matched key that ground is locked is inserted into lock core, rotates lock core, and lock core passes through the interlinked mechanism of a set of complexity simultaneously It drives two lock tongues to stretch out horizontally outward to connect with door opening, when electric rolling door is agitated, lock tongue, which undertakes, agitates power, makes electricity Dynamic shutter door is not easy to pry open.

However, the width of retail shop's door opening is generally at two meters or more, wider width, it is also longer to lock length requiredly, such as Shown in Fig. 7, when the middle position of electric rolling door bottom is agitated, ground lock, which is easy to be bent upwards, to deform, to make to lock Connection between tongue and door opening disconnects, so that the pick-proof effect locked with losing, the pick-proof ability locked are poor that is, existingly.This Outside, the interlinked mechanism locked existingly is complex, is easy to happen failure, and the reliability locked with causing is poor.

Therefore, it is latched in that pick-proof ability is poor and the poor defect of reliability existingly.

Utility model content

The purpose of the utility model is to provide a kind of Anti-picking land locks.The utility model has pick-proof ability preferably and can The advantage preferable by property.

The technical solution of the utility model includes: a kind of Anti-picking land lock, the ground box of lock box and strip including strip；Lock box Both ends be equipped with tongue apertures, the middle part in lock box is equipped with lock core support, and lock core is fixed in lock core support, and lock is stretched out at the mortise lock end of lock core Box, the two sides of lock core are equipped with the connecting rod across tongue apertures, along length of connecting rod to be equipped with lock box mutually fixed U-shaped support, on connecting rod Equipped with latch hook, the lower part of latch hook is equipped with groove, and the lower section of groove is equipped with the hook lock through lock box bottom plate, between groove and lock core Equipped with the shaft across latch hook, shaft is mutually fixed with lock box, and the top of shaft is equipped with the long hole through latch hook, be equipped in long hole with The push rod that connecting rod is mutually fixed, connecting rod are equipped with the rack gear connecting with lock core close to one end of lock core, and rack gear is slidably connected with lock box；Ground The top of box is equipped with the ground lockhole being located at below hook lock.

In Anti-picking land lock above-mentioned, the connecting rod and rack gear are hinged.

In Anti-picking land lock above-mentioned, the pilot hole there are two strip is set on the rack gear, is equipped in pilot hole and lock box Mutually fixed guide pin.

In Anti-picking land lock above-mentioned, connecting rod described in two is located at the left and right sides of lock core, the tooth on two connecting rods Item is located at the two sides up and down of lock core.

In Anti-picking land lock above-mentioned, the lower section of described ground lockhole is equipped with mud guard, the top that mud guard passes through torsional spring and ground box Plate connection, the top of mud guard are equipped with the protrusion of insertion ground lockhole, and raised upper surface is flushed with the upper surface of ground box.

Compared with prior art, the utility model locks newly-increased two latch hooks on ground, when electric rolling door closure, with lock Hook catches on ground box, and ground box is installed on ground, so the utility model is when being agitated, it is not easy to it deforms, pick-proof performance More preferably.The utility model also simplifies the interlinked mechanism locked existingly, and lock core is flexible by rack drives connecting rod, is served as with connecting rod The function of lock tongue, to realize that lock tongue stretches out the function connecting with door opening horizontally outward existingly, structure is simpler, does not allow It easily breaks down, reliability is preferable.Due to hinged between connecting rod and rack gear, the sliding of connecting rod and rack gear is more smooth, Er Qielian It adopts a split structure, is easily facilitated in production and processing between bar and rack gear.Therefore, the utility model has pick-proof ability preferable The preferable advantage with reliability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the front view of lock core.

Fig. 3 is the left view of lock core.

Fig. 4 is the state that the utility model locks electric rolling door.

Fig. 5 is the left view of U-shaped support 7.

Fig. 6 is the enlarged drawing of rack gear Yu connecting rod hinged place.

Fig. 7 is to lock the schematic diagram after being prized existingly.

Fig. 8 is that latch hook is equipped with the schematic diagram of groove and ground box equipped with bar when.

The label in accompanying drawing is: 1- lock box, the ground 2- box, 3- tongue apertures, 4- lock core support, 5- lock core, 6- connecting rod, 7-U type support, 8- latch hook, 9- groove, 10- hook lock, 11- shaft, 12- long hole, 13- rack gear, 14- pilot hole, 15- guide pin, 16- keep off mud Plate, 17- torsional spring, 18- push rod, 19- rotor, 20- waist-shaped hole, 21- pin shaft, 22- split pin, the ground 23- lockhole, 24- bar, 25- Groove.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model The foundation of limitation.

Embodiment.A kind of Anti-picking land lock, as shown in Figure 1, including the lock box 1 of strip and the ground box 2 of strip；Lock box 1 Both ends be equipped with tongue apertures 3, the middle part in lock box 1 is equipped with lock core support 4, and lock core support 4 is fixed by screw and lock box 1, lock core support 4 On be fixed with lock core 5, lock box 1 is stretched out at the mortise lock end of lock core 5, and the two sides of lock core 5 are equipped with the connecting rod 6 across tongue apertures 3, along connecting rod 6 is long to the U-shaped support 7 fixed with 1 phase of lock box is equipped with, and the both ends of U-shaped support 7 are welded and fixed after extending outwardly with lock box 1, each 7 quantity of U-shaped support on connecting rod 6 is two, and it is to move back in the horizontal direction that two U-shaped 7 collective effects of support, which keep connecting rods 6, Dynamic, connecting rod 6 is equipped with latch hook 8, and the lower part of latch hook 8 is equipped with groove 9, and the lower section of groove 9 is equipped with the hook lock through 1 bottom plate of lock box 10, the shaft 11 across latch hook 8 is equipped between groove 9 and lock core 5, shaft 11 is fixed with 1 phase of lock box, and the top of shaft 11 is equipped with The push rod 18 fixed with 6 phase of connecting rod is equipped in the long hole 12 of latch hook 8, long hole 12, connecting rod 6 is equipped with close to one end of lock core 5 The rack gear 13 connecting with lock core 5, rack gear 13 are slidably connected with lock box 1；The top of ground box 2 is equipped with the ground for being located at 10 lower section of hook lock Lockhole 23.

The connecting rod 6 and rack gear 13 are hinged.The end that rack gear 13 is articulated with connecting rod 6 is equipped with waist-shaped hole 20, in waist-shaped hole 20 Equipped with the pin shaft 21 fixed with 6 phase of connecting rod, pin shaft 21 passes through waist-shaped hole 20, pin shaft 21 pass through the end of waist-shaped hole 20 radially across There is split pin 22.

The pilot hole 14 there are two strip is set on the rack gear 13, is equipped in pilot hole 14 and is led with what 1 phase of lock box was fixed To pin 15, guide pin 15 ensure that 13 horizontal direction of rack gear is slided.

Connecting rod 6 described in two is located at the left and right sides of lock core 5, and the rack gear 13 on two connecting rods 6 is located at lock The two sides up and down of core 5.

The lower section of described ground lockhole 23 is equipped with mud guard 16, and mud guard 16 is connect with the top plate of ground box 2 by torsional spring 17, turned round One end of spring 17 is fixed with 16 phase of mud guard, the top plate of the other end and ground box 2 is mutually fixed, and the top of mud guard 16 is equipped with insertion ground The protrusion of lockhole 23, raised upper surface are flushed with the upper surface of ground box 2.

The lock core 5 is existing part, model FDS-B-II/SX1.There is criss-cross rotor 19 on lock core 5, work as key When spoon insertion lock core 5 rotates, rotor 19 is correspondingly rotated, and two ends of rotor 19 are respectively embedded into the tooth socket with two toothed racks 13 In, to drive two 13 counter motions of rack gear.The mud guard 16 prevents sundries from entering ground box for closely lockhole 23 The rotation of latch hook 8 is caused to hinder, and the protrusion of insertion ground lockhole 23 further reduces sundries and enters ground on mud guard 16 A possibility that box.

The installation of the utility model: lock box 1 is fixed on the bottom of electric rolling door, upper and lower with the folding of electric rolling door It is mobile.Ground box 2 fixes on the ground, positioned at the lower section of lock box 1.

Working principle of the utility model is: as shown in figure 4, inserting a key into lock core 5 under electric rolling gate door closure state In, key is rotated, rotor 19 of the key with movable lock core 5 rotates, and rotor 19 moves horizontally outward with carry-over bar 13,13 band of rack gear Dynamic connecting rod 6 moves horizontally outward, and rack gear 13 passes through tongue apertures 3 and is inserted into the lockhole of door opening, so that the side wall wall with door opening is real Now connect.Drive push rod 18 mobile when connecting rod 6 moves outward, push rod 18 pushes 11 rotation around the shaft of latch hook 8, the end of latch hook 8 Portion passes through hook lock 10, and ground lockhole 23 is passed through after mud guard 16 is opened and catches on ground box 2, is connected to realize with ground.In order to Keep latch hook 8 and the connection before ground box 2 relatively reliable, the bar 24 positioned at 10 side of hook lock can also be set in ground box 2, Groove 25 is set on latch hook 8, and when 8 rotation hook residence box 2 of latch hook, groove 25 is located at the lower section of bar 24, when lock box 1 is prized When, latch hook 8 moves up, and bar 24 is caught in groove 25, prevents latch hook 8 from rotating, and pick-proof effect is more preferable.

The utility model has the advantages that pick-proof ability preferably and reliability is preferable.

Claims (5)

1. a kind of Anti-picking land lock, it is characterised in that: the ground box (2) of lock box (1) and strip including strip；Lock box (1) Both ends are equipped with tongue apertures (3), and the middle part in lock box (1) is equipped with lock core support (4), are fixed with lock core (5), lock core in lock core support (4) (5) lock box (1) is stretched out at mortise lock end, and the two sides of lock core (5) are equipped with the connecting rod (6) across tongue apertures (3), along connecting rod (6) it is long to Equipped with the U-shaped support (7) mutually fixed with lock box (1), connecting rod (6) is equipped with latch hook (8), and the lower part of latch hook (8) is equipped with groove (9), the lower section of groove (9) be equipped with through lock box (1) bottom plate hook lock (10), between groove (9) and lock core (5) equipped with across The shaft (11) of latch hook (8), shaft (11) are mutually fixed with lock box (1), and the top of shaft (11) is equipped with the long hole through latch hook (8) (12), the push rod (18) mutually fixed with connecting rod (6) is equipped in long hole (12), connecting rod (6) is equipped with close to the one end of lock core (5) and lock The rack gear (13) of core (5) connection, rack gear (13) are slidably connected with lock box (1)；The top of ground box (2), which is equipped with, is located at hook lock (10) The ground lockhole (23) of lower section.

2. Anti-picking land lock according to claim 1, it is characterised in that: the connecting rod (6) and rack gear (13) are hinged.

3. Anti-picking land lock according to claim 1, it is characterised in that: set leading there are two strip on the rack gear (13) To hole (14), the guide pin (15) mutually fixed with lock box (1) is equipped in pilot hole (14).

4. Anti-picking land lock according to claim 1, it is characterised in that: connecting rod (6) described in two is located at lock core (5) The left and right sides, the rack gear (13) on two connecting rods (6) is located at the two sides up and down of lock core (5).

5. Anti-picking land lock according to claim 1, it is characterised in that: the lower section of described ground lockhole (23) is equipped with mud guard (16), mud guard (16) is connect by torsional spring (17) with the top plate of ground box (2), and the top of mud guard (16) is equipped with insertion ground lockhole (23) protrusion, raised upper surface are flushed with the upper surface of ground box (2).