CN208605050U - A kind of anti-theft door lock cylinder - Google Patents

Abstract

The utility model discloses a kind of anti-theft door lock cylinders, including latch bolt panel and lock body, the lock body upper end is equipped with lock core, described lock core one end is equipped with shifting block, the shifting block stirs the first square tongue, handle shifting block is equipped among the lock body, rotation push plate is socketed with outside the handle shifting block, the rotor plate and switch block are sequentially connected, the switch block is fixedly connected with the second connecting rod, second connecting rod is rotatablely connected the second square tongue, and lower end is fixed with the second shaft and third shaft on rear side of second square tongue, and is rotatablely connected drive rod up and down by them.The handle shifting block is sequentially connected with latch bolt driving lever, and the latch bolt driving lever is sequentially connected with latch bolt, and the latch bolt panel is fixed on lock body side by lock housing and the first square tongue, the second square tongue and latch bolt are through latch bolt panel.Keep the production and assembly cost of the lock body lower by above structure, installation and maintenance rate is lower, and the structure of lock body is more compact, and overall dimensions are more small and exquisite, is worthy to be popularized.

Description

A kind of anti-theft door lock cylinder

Technical field

The utility model belongs to lock technology field, and in particular to a kind of anti-theft door lock cylinder.

Background technique

As people's lives level improves, household safe is become more and more important, and house gate inhibition is most direct as family With most important security protection, which kind of lockset selection, which installs, becomes of crucial importance.Lock body is one of the component part of lock.It is general to use On security door, it is responsible for the basic antitheft work of security door, lock core is that control lock body is run, and lock body is just responsible for door and window to open It opens with effect under lock and key, plays an important role on antitheft, but much lock safeties are not high currently on the market, it is easy to by not The destruction of method molecule leads to people's property loss, and the higher lock price of safety is generally high in the market, and the general masses can not consume.Have Given this design a kind of highly-safe, the lockset risen for meeting the vast common people's consumption of people is necessary.

Utility model content

The purpose of this utility model is to provide a kind of anti-theft door lock cylinders, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of anti-theft door lock cylinder, including latch bolt panel And lock body, the lock body upper end are equipped with lock core, described lock core one end is equipped with shifting block, and the shifting block is located at lacking for first connecting rod one end In mouthful, the first connecting rod other end is fixed with the first square tongue, is equipped with handle shifting block among the lock body, outside the handle shifting block Surface cover is connected to rotation push plate, and described rotation push plate one end is equipped with push plate shifting block, and the rotation push plate other end is equipped with push plate teeth, The push plate cooperates switch block teeth and switch block to be sequentially connected by push plate teeth, and the first locating shaft, institute are equipped among the switch block It states switch block and is fixedly connected with the second connecting rod, the second connecting rod other end is fixed with first rotating shaft, and the first rotating shaft turns The second square tongue of dynamic connection, the second square tongue rear side lower end are fixed with the second shaft, and second shaft, which is rotatably connected to down, to be passed Lever, the second square tongue back side top are equipped with third shaft, and the third shaft is rotatably connected to drive rod, the handle Shifting block is connected with the first drive rod, and latch bolt driving lever is connected with below first drive rod, and the is equipped among the latch bolt driving lever Two locating shafts, the latch bolt driving lever other side are fixedly connected with latch bolt pulling axis, and latch bolt pulling axis end is fixed with latch bolt, described It is socketed with spring on the outside of latch bolt pulling axis, the latch bolt panel is fixed on lock body side and the first square tongue, the second square tongue by lock housing Run through latch bolt panel with latch bolt.

Preferably, the upper drive rod upper end is equipped with upper hook, and underdrive bar lower end is equipped with lower draw-bar.

Preferably, the upper drive rod is equipped with the third waist hole matched with third shaft, and underdrive bar is equipped with and second The second waist hole that shaft matches.

Preferably, there is no the kind of drive using existing lock intracorporal pull rod and multistage connecting rod in the lock body, but it is sharp Transmission is realized with the second connecting rod and the first drive rod.

Preferably, noise reduction plain cushion is equipped between first square tongue, the second square tongue and latch bolt and latch bolt panel.

Compared with prior art, the utility model has the beneficial effects that

1, it is moved forward and backward by shifting block rotation in lock body to stir first connecting rod, to realize the locked of the first square tongue and close It closes, cooperates the first waist hole that the second square tongue is driven to move forward and backward by the first rotating shaft on second connecting rod, and then pass through the second square tongue On the second shaft cooperate the second waist hole to drive underdrive bar, the third shaft cooperation third waist hole in the second square tongue, which drives, to be uploaded Lever moves up and down, and the upper and lower hooks on upper and lower drive rod all hang with driver, and driver is equipped with locking point and lower lock point (respectively In door leaf top edge and lower edge), to make upper and lower point of locking that can lock and open.

2, by handle shifting block stir the first drive rod stir latch bolt driving lever drive latch bolt pulling axis move forward and backward, in turn Move forward and backward latch bolt, such structure makes the production and assembly cost of the lock body lower, and installation and maintenance rate is lower, lock body Structure is more compact, and overall dimensions are more small and exquisite, and the scope of application is higher, when locking a door, three faces that can be locked the door, in addition door hinge Four directions, which has, locks together door leaf and doorframe, there is good pick-proof, collision prevention function in this way.

3, by being equipped with noise reduction plain cushion between the first square tongue, the second square tongue and latch bolt and latch bolt panel, avoid tongue body flexible Metal and metal direct friction in the process, play the role of noise reduction, noise reduction and lubrication.

Detailed description of the invention

Fig. 1 is the internal structure chart of the utility model；

Fig. 2 is the shaft side figure of the utility model；

Fig. 3 is the left view of the utility model.

In figure: 1 latch bolt panel, 2 lock bodies, 3 lock cores, 4 handle shifting blocks, 5 first square tongues, 6 second square tongues, 7 latch bolts, 8 locks Shell, 9 shifting blocks, 10 first connecting rods, 11 rotation push plates, 12 push plate shifting blocks, 13 push plate teeth, 14 first locating shafts, 15 switch blocks, 16 Switch block teeth, 17 second connecting rods, 18 first rotating shafts, 19 first waist holes, 20 second shafts, 21 underdrive bars, 22 lower draw-bars, 23 second waist holes, 24 third shafts, drive rod on 25,26 upper hooks, 27 third waist holes, 28 first drive rods, 29 latch bolt driving levers, 30 second locating shafts, 31 latch bolt pulling axises, 32 springs, 33 noise reduction plain cushions.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of anti-theft door lock cylinder, including 1 He of latch bolt panel Lock body 2,2 upper end of lock body are equipped with lock core 3, and described 3 one end of lock core is equipped with shifting block 9, and the shifting block 9 is located at first connecting rod 10 1 In the notch at end, 10 other end of first connecting rod is fixed with the first square tongue 5, is equipped with handle shifting block 4, institute among the lock body 2 It states and is socketed with rotation push plate 11 outside handle shifting block 4, described 11 one end of rotation push plate is equipped with push plate shifting block 12, and the rotation pushes away 11 other end of plate is equipped with push plate teeth 13, and the push plate 11 cooperates switch block teeth 16 and the transmission of switch block 15 to connect by push plate teeth 13 It connects, the first locating shaft 14 is equipped among the switch block 15, the switch block 15 is fixedly connected with the second connecting rod 17, and described second connects 17 other end of extension bar is fixed with first rotating shaft 18, and the first rotating shaft 18 is rotatablely connected the second square tongue 6, after second square tongue 6 Side lower end is fixed with the second shaft 20, and second shaft 20 is rotatably connected to underdrive bar 21, on 6 rear side of the second square tongue Side is equipped with third shaft 24, and the third shaft 24 is rotatably connected to drive rod 25, and the handle shifting block 4 is connected with first Drive rod 28 is connected with latch bolt driving lever 29 below first drive rod 28, the second positioning is equipped among the latch bolt driving lever 29 Axis 30,29 other side of latch bolt driving lever are fixedly connected with latch bolt pulling axis 31, and 31 end of latch bolt pulling axis is fixed with latch bolt 7, Spring 32 is socketed on the outside of the latch bolt pulling axis 31, the latch bolt panel 1 is fixed on 2 side of lock body and first party by lock housing 8 Tongue 5, the second square tongue 6 and latch bolt 7 run through latch bolt panel 1.

Further, 25 upper end of upper drive rod is equipped with upper hook 26, and 21 lower end of underdrive bar is equipped with lower draw-bar 22, the upper and lower hooks on upper and lower drive rod all hang with driver, and driver is equipped with locking point and lower lock point (respectively in door leaf top Edge and lower edge), three faces that can be locked the door when locking a door lock together door leaf and doorframe in addition door hinge four directions has, There are good pick-proof, collision prevention function in this way.

Further, the upper drive rod 25 is equipped with the third waist hole 27 matched with third shaft 24, underdrive bar 21 Equipped with the second waist hole 23 matched with the second shaft 20, such structure makes the second square tongue 6 move forward and backward and can directly drive It passes bar 25 and passes bar 21 down and move up and down.

Further, there is no the kind of drive using existing lock intracorporal pull rod and multistage connecting rod in the lock body 2, but Transmission is realized using the second connecting rod 17 and the first drive rod 28, and such structure makes the production and assembly cost of the lock body 2 Low, installation and maintenance rate is high, and the structure of lock body is more compact, and overall dimensions are more small and exquisite, and the scope of application is higher.

Further, noise reduction plain cushion is equipped between first square tongue 5, the second square tongue 6 and latch bolt and latch bolt panel 1 33, metal and metal direct friction in tongue body telescopic process are avoided, noise reduction, noise reduction and lubrication are played the role of.

Working principle: when needing to lock a door, the handle on door is rotated, handle drives handle shifting block 4 to rotate, on handle shifting block 4 Shifting block stir rotation push plate 11 on push plate shifting block 12, and then make rotate push plate 11 rotate, and then drive rotation push plate 11 on 13 moving in rotation of push plate teeth, and then drive be meshed with push plate teeth 13 switch block teeth 16 rotation, and then switch block 15 around The rotation of first locating shaft 14, and then the second connecting rod 17 on switch block 15 is driven to move backward, the of 17 one end of the second connecting rod One shaft 18 in the second square tongue 6 the first waist hole 19 rolling forward extend out the second square tongue 6 into lockhole, the second square tongue 6 to Preceding movement, so that third shaft 24 drives upper drive rod 25 to move upwards, the second shaft 20 drives underdrive bar 21 to move downward, The point of lock up and down on upper and lower drive rod is set to respectively enter lockhole, while latch bolt 7 protrudes into lockhole under the effect of 32 elastic force of spring. Key is inserted into lock core 3, rotates lock core 3, the shifting block 9 on lock core 3 stirs first connecting rod 10 and travels forward while driving first Square tongue 5 travels forward into lockhole.So far door lock is locked, can trust trip.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of anti-theft door lock cylinder, including latch bolt panel (1) and lock body (2), it is characterised in that: lock body (2) upper end is equipped with Lock core (3), described lock core (3) one end are equipped with shifting block (9), and the shifting block (9) is located in the notch of first connecting rod (10) one end, institute It states first connecting rod (10) other end to be fixed with the first square tongue (5), is equipped with handle shifting block (4) among the lock body (2), the handle Rotation push plate (11) is socketed with outside shifting block (4), the rotation push plate (11) one end is equipped with push plate shifting block (12), and the rotation pushes away Plate (11) other end is equipped with push plate teeth (13), and the push plate (11) is by push plate teeth (13) cooperation switch block teeth (16) and turns Block (15) transmission connection, the switch block (15) is intermediate to be equipped with the first locating shaft (14), and the switch block (15) is fixedly connected with second Connecting rod (17), the second connecting rod (17) other end are fixed with first rotating shaft (18), and first rotating shaft (18) rotation connects It connects the second square tongue (6), lower end is fixed with the second shaft (20) on rear side of second square tongue (6), the second shaft (20) rotation It is connected with underdrive bar (21), the second square tongue (6) back side top is equipped with third shaft (24), and the third shaft (24) turns Dynamic to be connected with drive rod (25), the handle shifting block (4) is connected with the first drive rod (28), under first drive rod (28) Side is connected with latch bolt driving lever (29), is equipped with the second locating shaft (30) among the latch bolt driving lever (29), the latch bolt driving lever (29) The other side is fixedly connected with latch bolt pulling axis (31), and latch bolt pulling axis (31) end is fixed with latch bolt (7), the latch bolt pulling axis (31) outside is socketed with spring (32), and the latch bolt panel (1) is fixed on lock body (2) side and the first square tongue by lock housing (8) (5), the second square tongue (6) and latch bolt (7) run through latch bolt panel (1).

2. a kind of anti-theft door lock cylinder according to claim 1, it is characterised in that: upper drive rod (25) upper end is equipped with upper It links up with (26), underdrive bar (21) lower end is equipped with lower draw-bar (22).

3. a kind of anti-theft door lock cylinder according to claim 1, it is characterised in that: the upper drive rod (25) is equipped with and third The third waist hole (27) that shaft (24) matches, underdrive bar (21) are equipped with the second waist hole matched with the second shaft (20) (23)。

4. a kind of anti-theft door lock cylinder according to claim 1, it is characterised in that: without using existing in the lock body (2) The kind of drive of intracorporal pull rod and multistage connecting rod is locked, but utilizes the second connecting rod (17) and the first drive rod (28) to realize and passes It is dynamic.

5. a kind of anti-theft door lock cylinder according to claim 1, it is characterised in that: first square tongue (5), the second square tongue (6) it is equipped between latch bolt and latch bolt panel (1) noise reduction plain cushion (33).