CN209353885U - A kind of Simple anti-theft lock - Google Patents

Abstract

The utility model embodiment discloses a kind of Simple anti-theft lock, it is related to lock technology field, to solve the problems, such as that existing lockset is at high cost, it includes lock core, shank of the key and lock tongue, lock core includes the first lock cylinder, second lock cylinder and third lock cylinder, lock cylinder chamber is equipped in the first lock cylinder, locking bolt is set lock cylinder is intracavitary, the second cavity is equipped in the second lock cylinder, the first pellet is equipped in the second cavity, second pellet, third pellet and the 4th pellet, third cavity is equipped in third lock cylinder, the first sliding block is equipped in third cavity, second pellet and the second sliding block, shank of the key includes shaft, first driving lever, second driving lever and lock protecting plate, first driving lever is in rotation for being pressed into the second sliding block, lock protecting plate is used to cover keyhole during rotation, driving lever slot is equipped in the back segment of lock tongue, second driving lever is retracted lock tongue with the cooperation of driving lever slot.It is at low cost compared with existing lockset, and have the function of certain anti-technology unlocking.

Description

A kind of Simple anti-theft lock

Technical field

The utility model embodiment is related to lock technology field, and in particular to a kind of Simple anti-theft lock.

Background technique

Lockset is a kind of tool for preventing article stolen, currently, the lock of market sale have cylinder lock with balls, Yue Ma lock and Blade combination lock.The general key of cylinder lock with balls wants the hoodle of two rows or more to cheat, there are also a row side pearl slot or hole, antitheft coefficient compared with It is high.The device to hole of shell hole up and down of traditional spring lock is interted mutually locking principle by Yue Ma lock, is changed to elastic slice by rotation angle to convert, It is locked by key of a monoblock type, avoids inconsistent phenomenon, if wanting to open on the lock, it is necessary to by the key of its all elastic slice Slot, which disposably collects, cheats place in lock core groove together, lines up the keyway of linear type, key can move inward, and tackle technical open Lock has a very big breakthrough, and mechanical key of bilateral setting, key slot locking are to prevent the unique apparatus twisted in mechanical system's transmission. Blade combines theftproof lock and uses advanced " front and back clutch " structure, double 12 blade, the rectangular side column locking of inner pressed, in single side Mill clavis spoon, secret key amount reaches 1,006,000,000, have stronger anti-skill open, tamper-resistant function.

However structure is complicated, at high cost for above-mentioned various locksets, cannot meet the requirements.

Utility model content

For this purpose, the utility model embodiment provides a kind of Simple anti-theft lock, to solve in the prior art due to existing lockset Problem at high cost caused by structure is complicated.

To achieve the goals above, the embodiments of the present invention provides the following technical solutions:

In the embodiments of the present invention, a kind of Simple anti-theft lock, including lock core, shank of the key and lock tongue are provided, The lock core include the first lock cylinder being laterally arranged, the second longitudinally disposed lock cylinder being connect with first lock cylinder and with institute It states the third lock cylinder of the second lock cylinder connection being laterally arranged, the third lock cylinder and first lock cylinder to be arranged in antarafacial, in institute It states and is equipped with lock cylinder chamber in the first lock cylinder, be respectively provided with a locking plate in the front and back end of the lock cylinder chamber, set in the centre of the locking plate There is round hole, is equipped on the right side of the round hole and moves back key slot, it is intracavitary equipped with rotatable locking bolt in lock cylinder, in the locking bolt It is axially arranged with keyhole, the first cavity being connected to the keyhole is equipped in the upside of the locking bolt, is set in second lock cylinder Have the second cavity, second cavity is connected to the lock cylinder chamber and docks with first cavity, second cavity with And in the chamber of first cavity composition it is successively arranged second spring from the top down and first pellet that can slide up and down, the Two pellets, third pellet and the 4th pellet are equipped with the third chamber with the second cavity vertical connection in the third lock cylinder Road is successively arranged third spring and the first sliding block that can be horizontally slipped and second from right to left in the third cavity and slides Block, between first sliding block and second sliding block, the free end of first sliding block is located at described second pellet The outside of third cavity, the shank of the key include shaft and the first driving lever, the second driving lever and shield with shaft synchronous rotation Jam plate, first driving lever and second driving lever are both secured to the circumferential direction of the shaft, and first driving lever and described the Two driving levers are arranged in angle, and for first driving lever in rotation for being pressed into second sliding block, the lock protecting plate is fixed on institute The front of shaft is stated, the lock protecting plate is used to cover the keyhole during rotation, is equipped with driving lever in the back segment of the lock tongue Slot, second driving lever and driving lever slot cooperation are retracted the lock tongue.

In one embodiment of the utility model, one section is sealed between the third pellet and the 4th pellet Fluid column.

It is described in the third pellet and the 4th pellet in the optinal plan of one embodiment of the utility model Side be equipped with sealant.

In the optinal plan of one embodiment of the utility model, in second cavity and first cavity Elastic sealing element is equipped at docking.

In another embodiment of the utility model, the right side in the driving lever slot is additionally provided with resetting block, described multiple The first spring is set between position block and the right end of the driving lever slot.

In the further embodiment of the utility model, the shank of the key further includes handle, and the handle is perpendicularly fixed at institute State the front end of shaft.

The utility model embodiment has the advantages that

The utility model embodiment provides a kind of Simple anti-theft lock, in use, in key insertion keyhole, the tooth form of key Position of 4th pellet in the first cavity is elapsed, so that locking bolt unlocks, is rotated in the first lock cylinder, when turning to Keyhole and the position that key slot is connected to each other is moved back, the back of key, which enters, moves back in key slot, removes key, while the 4th pellet pushes the Three pellets, the second pellet and the first pellet move in the second cavity, and the second pellet is slided in third cavity, Then rotating shaft and the first driving lever of drive and the rotation of the second driving lever, the first driving lever squeeze the second sliding block into third cavity, The second driving lever is retracted lock tongue simultaneously, and in shaft rotation process, lock protecting plate can cover keyhole, compared with existing lockset, structure Simply, at low cost, and existing lockset is when by technology unlocking, it need to agitate the exposed length of the 4th pellet in keyhole on one side, one Side rotating shaft is retracted lock tongue, but because lock protecting plate to technology unlocking brings inconvenience, so that the utility model is simple anti- Steal the function of the standby certain anti-technology unlocking of lockset.

Detailed description of the invention

It, below will be to reality in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art It applies mode or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that attached in being described below Figure is only exemplary, for those of ordinary skill in the art, without creative efforts, can be with It is extended according to the attached drawing of offer and obtains other implementation attached drawings.

Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for Those skilled in the art understands and reads, and is not intended to limit the utility model enforceable qualifications, therefore does not have technology On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute energy Under the effect of generation and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain the model that can cover In enclosing.

Fig. 1 is the structural schematic diagram for the Simple anti-theft lock that the utility model embodiment 1 provides；

Fig. 2 is that the lock core structure schematic diagram for the Simple anti-theft lock that the utility model embodiment 1 provides (does not install pellet and bullet Spring etc.)；

The dextrad view that Fig. 3 is Fig. 2 (top is partial sectional view)；

Fig. 4 is that locking bolt rotates the schematic diagram after 30 ° counterclockwise in Fig. 3；

Fig. 5 is A-A cross-sectional view in Fig. 2；

Fig. 6 is the lock core structure schematic diagram for the Simple anti-theft lock that the utility model embodiment 1 provides；

Fig. 7 is B-B cross-sectional view in Fig. 6；

Fig. 8 is the use state diagram for the Simple anti-theft lock that the utility model embodiment 1 provides (after first stage rotation State).

Fig. 9 is the use state diagram for the Simple anti-theft lock that the utility model embodiment 1 provides (after second stage rotation State).

Figure 10 is the positional relationship signal after the second stage rotation for the Simple anti-theft lock that the utility model embodiment 1 provides Scheme (removing lock protecting plate and handle).

Figure 11 be the Simple anti-theft lock that provides of the utility model embodiment 2 lock core structure schematic diagram (do not install pellet and Spring etc.).

Figure 12 is C-C cross-sectional view in Figure 11.

For the clear of display, hatching or cut-away section line is omitted in certain cross-sectional views.

In figure: 1- lock core, the first lock cylinder of 11-, 111- locking plate, 1111- move back key slot, 112- locking bolt, 1121- keyhole, 1122- First cavity, the second lock cylinder of 12-, the second cavity of 121-, 122- second spring, the first pellet of 123-, the second pellet of 124-, 125- Third pellet, the 4th pellet of 126-, 127- liquid pellet, 128- elastic sealing element, 13- third lock cylinder, 131- third cavity, 132- third spring, the first sliding block of 133-, the second sliding block of 134-, 14- common chamber；

2- shank of the key, 21- shaft, the first driving lever of 22-, the second driving lever of 23-, 24- lock protecting plate, 25- handle；

3- lock tongue, 31- driving lever slot, 32- resetting block, the first spring of 33-；

4- key.

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily, it is clear that described embodiment is The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection Range.

The term of cited such as "upper", "lower", "left", "right", "front", "rear", " centre " in this specification, also only For being illustrated convenient for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, It is changed under technology contents without essence, when being also considered as the enforceable scope of the utility model.

Embodiment 1

As Figure 1-10 shows, wherein Fig. 2-7 is sectional view, and embodiment 1 provides a kind of Simple anti-theft lock, described simple Theftproof lock includes lock core 1, shank of the key 2 and lock tongue 3.

Lock core 1 includes the first lock cylinder 11, the second lock cylinder 12 and third lock cylinder 13, and the first lock cylinder 11 and third lock cylinder 13 are equal Laterally setting, and third lock cylinder 13 is vertically arranged with the first lock cylinder 11 in antarafacial, the second lock cylinder 12 is longitudinally disposed, specifically, the For one lock cylinder 11 in being horizontally disposed in the front-back direction in door, the second lock cylinder 12 is vertically fixed on the upside of the first lock cylinder 11, And second lock cylinder 12 be arranged in up and down direction, third lock cylinder 13 is located at the top of the first lock cylinder 11, and between the two every setting, third is locked Cylinder 13 is arranged in left and right directions, and third lock cylinder 13 intersects vertically with the second lock cylinder 12.

It is equipped with lock cylinder chamber (be not shown in the figure or do not mark) in first lock cylinder 11, is respectively provided with one in the front and back end of lock cylinder chamber Locking plate 111 is equipped with round hole in the centre of locking plate 111, is equipped on the right side of round hole and moves back key slot 1111, be equipped with lock cylinder is intracavitary Rotatable locking bolt 112, is axially arranged with keyhole 1121 in locking bolt 112, is equipped in the upside of locking bolt 112 and is connected to keyhole 1121 The first cavity 1122 be respectively provided with a locking plate 111, locking plate 111 in lock cylinder chamber front and back end specifically, lock cylinder chamber is cylindrical For circular sheet-like structures, it is equipped with round hole in the centre of locking plate 111, moves back key slot what the right side of round hole was equipped with a cuboid 1111, move back key slot 1111 for exiting key 4, intracavitary be equipped with of lock cylinder can be along the cylindric of the virtual axis rotation of lock cylinder chamber Locking bolt 112, the diameter of the circular cross-section of locking bolt 112 is greater than the diameter of round hole, that is to say, that two locking plates 111 are by locking bolt 112 limits are intracavitary in lock cylinder, are equipped with one for inserting the keyhole 1121 of key 4, keyhole in the axial direction (front-rear direction) of locking bolt 112 1121 lower end is openning shape, and after locking bolt 112 rotates certain angle, the lower end of keyhole 1121 is connected to key slot 1111 is moved back, So that the back-moving of key 4 is to moving back in key slot 1111, key 4 is exited, is equipped with the first cavity 1122 in the upside of locking bolt 112, First cavity 1122 is through-hole, and one end is connected to keyhole 1121, and the other end is on the excircle of cylindric locking bolt 112.In this reality It applies in example, if not moving back key slot 1111, after locking bolt 112 rotates by a certain angle with respect to lock cylinder chamber, key 4 cannot be extracted, Likewise, key 4 is limited in keyhole 1121 by locking plate 111 if the lower end of keyhole 1121 is with when moving back key slot 1111 and not being connected to, It will not be mobile to the lower end of keyhole 1121.

The second cavity 121 is equipped in the second lock cylinder 12, the second cavity 121 is blind hole, and the second cavity 121 connects with lock cylinder chamber Lead to and docked with the first cavity 1122, in the chamber that the second cavity 121 and the first cavity 1122 form from the top down successively Equipped with second spring 122 and first pellet 123 that can slide up and down, the second pellet 124, third pellet 125 and the 4th pellet 126, specifically, second spring 122 is compressed spring, second spring 122 and the first pellet 123,124 (the second bullet of the second pellet Son 124 can also slide in third cavity 131, hereafter be described) it is each provided in the second cavity 121,125 one end of third pellet It is located in the second cavity 121, the other end is located in the first cavity 1122, and after being inserted into key 4 in keyhole 1121, tooth form is by pellet Passage, the upper end of the 4th pellet 126 are located exactly at the excircle of locking bolt 112, and third pellet 125 is completely by the 4th pellet 126 It is squeezed into the second cavity 121, the lower end of third pellet 125 is located exactly at the opening of the second cavity 121, and the second cavity 121 opening is located on the circumference of lock cylinder chamber, that is, the contact surface and locking bolt 112 of the 4th pellet 126 and third pellet 125 It is on the same face with the mating surface of lock cylinder chamber, to enable locking bolt 112 in the intracavitary rotation of lock cylinder, after locking bolt 112 rotates, the Four pellets 126 cannot slide to block key 4, prevent key 4 from extracting, turning to 1121 lower end of keyhole and moving back key slot When 1111 connected position, makes key 4 to the movement of key slot 1111 is moved back, release locking of the 4th pellet 126 to key 4, extract key Spoon 4.

The third cavity 131 with 121 vertical connection of the second cavity, that is, third cavity are equipped in third lock cylinder 13 131 and second cavity 121 to have one section be common chamber 14, third cavity 131 is blind hole, in third cavity 131 from right to left Be successively arranged third spring 132 and can horizontally slip the first sliding block 133, the second pellet 124 (the second pellet 124 herein, It is exactly the second pellet 124 being located in the second cavity 121 mentioned hereinabove, it should be noted that when being not inserted into key 4, A part of second pellet 124 and a part of the first pellet 123 are in common chamber 14, after being inserted into key 4, the second pellet 124 is whole in common chamber 14, and first pellet 123 adjacent with the second pellet 124 and third pellet 125 be not in shared chamber In room 14) and the second sliding block 134, the free end of the first sliding block 133 be located at the outside of third cavity 131.After being inserted into key 4, key The tooth form of spoon 4 pushes pellet to move in the second cavity 121, makes the both ends of the second pellet 124 in the top and bottom of third cavity 131 Alignment, pushes the second pellet 124 in left and right directions by the first sliding block 133 or the second sliding block 134.

Shank of the key 2 includes shaft 21, the first driving lever 22, the second driving lever 23, lock protecting plate 24 and handle 25, and shaft 21 is in door knot Horizontally disposed in front-rear direction in structure, the first driving lever 22 virtual axis with shaft 21 vertical with the second driving lever 23, which is fixed on, to be turned The circumferential direction of axis 21, and (it is also possible to the straight angle, specific angle is by locking in angle setting between the first driving lever 22 and the second driving lever 23 Position between 3 three of core 1, shank of the key 2 and lock tongue determines), shaft 21 driven when rotating the first driving lever 22, the second driving lever 23 with And lock protecting plate 24 rotates synchronously, the first driving lever 22 is used to be pressed into the second sliding block 134 in rotation, specifically, the rotation of shaft 21 one Determine angle (first stage rotates, such as 58 ° of rotation are the first stage, and the first stage cannot be such that lock tongue 3 is retracted), the first driving lever 22 Free end swing certain distance, the free end of the first driving lever 22 is touched with the free end of the second sliding block 134 at this time, when continuing turn When turn axis 21 (second stage rotation, such as second stage rotate 52 °, this stage can be such that lock tongue 3 is retracted), the first driving lever 22 Free end continue to swing the second sliding block 134 made to be pressed into third cavity 131, the second pellet 124 at this time is can be in third chamber The state slided in road 131, otherwise the second pellet 124 is stuck, and the second sliding block 134 cannot be pressed into third cavity 131, turns Axis 21 not can be carried out second stage rotation, and lock protecting plate 24 is fixed on the front of shaft 21, and lock protecting plate 24 is used for during rotation Keyhole 1121 is covered, when the second pellet 124 is not in the state that can be slided in third cavity 131, only rotating shaft 21 is not It can unlock, according to technology unlocking, agitate the exposed length of the 4th pellet 126 in keyhole 1121, being in the second pellet 124 can The state slided in third cavity 131, needs side picking lock, side rotating shaft 21 at this time, and the then rotation of shaft 21 necessarily locks shield It is that not can be carried out technology unlocking, unless using key 4 under the premise of not destroying lock protecting plate 24 that plate 24, which covers keyhole 1121, It unlocks, handle 25 is perpendicularly fixed at the front end of shaft 21.

It is equipped with driving lever slot 31 in the back segment of lock tongue 3, the second driving lever 23 is retracted lock tongue 3 with the cooperation of driving lever slot 31, in driving lever Right side in slot 31 is additionally provided with resetting block 32, and resetting block 32 is fixed on door, the right end of resetting block 32 and driving lever slot 31 it Between the first spring 33 is set, after lock tongue 3 is retracted, the first spring 33 be in compressive state, and release handle 25 can make lock tongue 3 Auto-extending is easy to use.

Embodiment 2

The Simple anti-theft lock that embodiment 2 provides, it is identical as the structure abridged edition of embodiment 1, the difference is that, such as Figure 11 and Shown in 12, Figure 11 and 12 is sectional view, and one section of fluid column is sealed between third pellet 125 and the 4th pellet 126 as liquid Pellet 127, liquid pellet 127, which does not need very Dock With Precision Position, to be completed, and be easy to use.Specifically, in third pellet 125 It is equipped with sealant (be not shown in the figure or do not mark) with the side of the 4th pellet 126, avoids fluid column from revealing, in the second cavity 121 and first cavity 1122 docking at be equipped with elastic sealing element 128, avoid in locking bolt 112 with respect to the first lock cylinder 11 Fluid column is revealed when rotation.The Simple anti-theft lock that embodiment 2 provides, so that the end of pellet is not required to and locking bolt 112 and lock cylinder chamber Mating surface is flush, so that it may so that locking bolt 112 avoids the key matched 4 from being not easy the embarrassment unlocked, fluid column in the intracavitary rotation of lock cylinder Friction can be also reduced compared to such as solid pellet, especially when fluid column is lubricating oil, pellet is easier to slide in cavity, implements The purpose of example 2, which also resides in, provides a kind of new billiards structure, provides one for the research and development of lock unit or lock core 1 and can study Direction.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims (6)

1. a kind of Simple anti-theft lock, which is characterized in that the Simple anti-theft lock includes lock core (1), shank of the key (2) and lock tongue (3), Longitudinally disposed second that the lock core (1) includes the first lock cylinder (11) being laterally arranged, is connect with first lock cylinder (11) Lock cylinder (12) and the third lock cylinder (13) being laterally arranged being connect with second lock cylinder (12), the third lock cylinder (13) with First lock cylinder (11) is arranged in antarafacial, lock cylinder chamber is equipped in first lock cylinder (11), before and after the lock cylinder chamber End is respectively provided with a locking plate (111), is equipped with round hole in the centre of the locking plate (111), is equipped on the right side of the round hole Key slot (1111) are moved back, it is intracavitary equipped with rotatable locking bolt (112) in lock cylinder, keyhole is axially arranged in the locking bolt (112) (1121), it is equipped with the first cavity (1122) for being connected to the keyhole (1121) in the upside of the locking bolt (112), described the The second cavity (121) are equipped in two lock cylinders (12), second cavity (121) be connected to the lock cylinder chamber and with first chamber Road (1122) docking, in the chamber that second cavity (121) and first cavity (1122) form from the top down according to It is secondary to be equipped with second spring (122) and the first pellet (123) that can slide up and down, the second pellet (124), third pellet (125) With the 4th pellet (126), the third cavity with the second cavity (121) vertical connection is equipped in the third lock cylinder (13) (131), first that is successively arranged third spring (132) from right to left in the third cavity (131) and can horizontally slip Sliding block (133) and the second sliding block (134), second pellet (124) is in first sliding block (133) and second sliding block (134) between, the free end of first sliding block (133) is located at the outside of the third cavity (131), shank of the key (2) packet The first driving lever (22), the second driving lever (23) and the lock protecting plate (24) for including shaft (21) and being rotated synchronously with the shaft (21), First driving lever (22) and second driving lever (23) are both secured to the circumferential direction of the shaft (21), and first driving lever (22) it is arranged with second driving lever (23) in angle, first driving lever (22) is in rotation for being pressed into second sliding block (134), the lock protecting plate (24) is fixed on the front of the shaft (21), and the lock protecting plate (24) is during rotation for hiding The keyhole (1121) are covered, are equipped with driving lever slot (31) in the back segment of the lock tongue (3), second driving lever (23) and the driving lever Slot (31) cooperation is retracted the lock tongue (3).

2. Simple anti-theft lock according to claim 1, which is characterized in that in the third pellet (125) and the described 4th One section of fluid column is sealed between pellet (126).

3. Simple anti-theft lock according to claim 2, which is characterized in that it is described the third pellet (125) with it is described The side of 4th pellet (126) is equipped with sealant.

4. Simple anti-theft lock according to claim 2, which is characterized in that in second cavity (121) and described Elastic sealing element is equipped at the docking of one cavity (1122).

5. Simple anti-theft lock according to claim 1, which is characterized in that the right side in the driving lever slot (31) is additionally provided with The first spring (33) are arranged between the resetting block (32) and the right end of the driving lever slot (31) in resetting block (32).

6. Simple anti-theft lock according to claim 1, which is characterized in that the shank of the key (2) further includes handle (25), described Handle (25) is perpendicularly fixed at the front end of the shaft (21).