CN209509720U - A kind of theftproof lock and key - Google Patents

Abstract

The utility model is specifically related to a kind of theftproof lock and key, including housing, and housing be built-in with one can turn lock core, lock core one end is connected with poke rod, wherein the housing is equipped with opening, lock core is equipped with guide groove, and guide groove is connected with the outer surface of lock core, and lock core teeth are equipped in guide groove.The beneficial effects of the utility model are: 1, using lock core teeth, cooperate the key teeth on key body to be applied in combination, self-made tool prevented to be placed in accommodation groove, open by force etc., play promotion anti-theft capability；2, housing blocks guide groove, more ugly can clearly lock pearl distributing position, change existing center lock construction, propose novel theft-prevention structure, help promotion anti-theft effect.

Description

A kind of theftproof lock and key

Technical field

The utility model relates to a kind of lock technology field, specifically a kind of theftproof lock and key.

Background technique

Lockset is applied very universal in people's daily life, and the various locksets that family, unit use at present are still with bullet Based on son lock, spring lock has the advantages that structure is simple, easily manufactured, cheap, and existing spring lock is to utilize lock core rotor The pellet group moving up and down control lock core rotation that is equipped with of outside, then stir lock tongue closure or openness lockset.Due to existing The structure of spring lock is relatively simple, and pellet group is moving radially along lock core when unlocking, and lock face is arc surface, and lock core because Rotation needs to guarantee the gap between its lateral surface and lock core sleeve inner wall, causes the precision of pellet group lower, and criminal holds Technology unlocking easily is carried out using tools such as tinfoil, since the pellet group of existing spring lock is a row along the arrangement of key length direction, Criminal is inserted into the key of lock core, using the crime work of skeleton key or barbed tool etc by the pellet in lock core Lockset can be opened easily by being pushed in turn in lock core sleeve；Since the lock core rotation of existing spring lock can drive pulling axis to open lock Body, by dial, sled, bore when be easily opened, criminal be easy by being inserted into tool in keyhole, by force destroy lock core make its turn Dynamic, to open lockset, anti-theft performance is poor；Also, it since lockset thickness is limited by the size to half utensil, can only arrange Three to six group pellets, the telescopic extensions of every group of pellet are between two to four millimeters, therefore pellet is along the combination of key length direction Number is subject to certain restrictions, and the key secret rate of lockset is low, shaped as key bit repetitive rate is high, is easy mutually to open, is made the person and property of people Safety is encroached on.In addition, there are also the more complicated locksets such as electronic lock, coded lock at present, although anti-theft performance is preferably, It since its cost is higher, structure is complex, is easier to damage, causes centainly to perplex to user, especially for old man It is very inconvenient with children.

Summary of the invention

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of theftproof lock and key that can strengthen anti-theft effect.

A kind of theftproof lock according to the present utility model, including housing and housing be built-in with one can turn lock core, lock core One end is connected with poke rod, wherein the housing is equipped with opening, lock core is equipped with guide groove, the outer surface of guide groove and lock core It is connected, lock core teeth is equipped in guide groove.

In addition, a kind of theftproof lock according to the present utility model, also has following additional technical feature: according to the utility model Some embodiments, specific further, in the guide groove to be equipped with lock pearl, lock pearl is located at the top of lock core teeth.

Specific further, the lock core teeth are fixed in lock core.

Specific further, the surface of the lock core teeth is equipped with salient point, and salient point peaks at the inner wall of lock core.

Specific further, the lock core teeth are integrally to form with lock core.

The invention also discloses a kind of and above-mentioned technical proposal matching used keys of theftproof lock, including key sheet Body is equipped with compatible with lock core teeth wherein the key body is equipped at least one keyhole at the bottom of key body Key teeth.

Specific further, the key teeth are irregular key teeth or regular key teeth.

It is specific further, it is described to put on outside equipped with preceding lockhole and rear lockhole.

The beneficial effects of the utility model are: 1, using lock core teeth, cooperate the key teeth combination on key body to make With, prevent self-made tool (such as skeleton key) to be placed in accommodation groove, open by force etc., play promotion anti-theft capability；2, housing hides Guide groove is kept off, more ugly pearl distributing position can be clearly locked, change existing center lock construction, propose novel theft-prevention structure, help and mention Rise anti-theft effect.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and is readily appreciated that.

Fig. 1 is structural schematic diagram according to the present utility model.

Fig. 2 is the structural schematic diagram of housing.

It is description of symbols below: lock core 1；Lock core teeth 101；Guide groove 102；Lock pearl 103；Key body 2；Key Teeth 201；Keyhole 202；Poke rod 3；Housing 4；Preceding lockhole 401；Lockhole 402 afterwards.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to Fig. 1 description according to a kind of theftproof lock and key of the utility model embodiment.

As shown in Figure 1 to Figure 2, a kind of theftproof lock of the utility model statement, including be provided in housing 4 and housing 4 One can turn lock core 1,1 one end of lock core is connected with poke rod 3, wherein the housing 4 is equipped with opening, lock core 1 is equipped with and leads To slot 102, guide groove 102 is connected with the outer surface of lock core 1, and lock core teeth 101 are equipped in guide groove 102.This structure passes through Lock core teeth 101 limit the key of other classes, and the key that this structure can only be used to state could be opened.Lock core teeth 101 make to prevent It steals and anti-system brings extreme difficulties, the lock core teeth 101 of more evolutions can be played, make the lock core teeth 101 into one of repetition shape Step is reduced, and helps promotion anti-theft effect.

In addition, a kind of theftproof lock according to the present utility model, also has following additional technical feature: according to the utility model Some embodiments, specific that lock pearl 102 is further equipped in the guide groove 102, lock pearl 103 is located at the upper of lock core teeth 101 Side more ugly can clearly lock pearl distributing position, change existing center lock construction, propose novel theft-prevention structure, it is antitheft to help promotion Effect.

Specific further the lock core teeth 101 are fixed in lock core 1, and the surface of lock core teeth 101 is equipped with salient point, convex Point peaks at the inner wall of lock core 1, plays and facilitates installation.The lock core teeth 101 are integrally to form with lock core 1, and it is whole to play promotion The sum of body rigidity plays anti-theft effect.

Meanwhile the matching used key of theftproof lock described in the invention also discloses a kind of with above-mentioned technical proposal, Including key body 2, wherein the key body 2 is equipped at least one keyhole 201, be equipped at the bottom of key body 2 with The compatible key teeth 201 of lock core teeth 101.Key teeth 201 are irregular key teeth or regular key teeth.This knot Structure utilizes lock core teeth 101, and the key teeth 201 on key body 2 is cooperated to be applied in combination, and prevents self-made tool (such as omnipotent Key) merging accommodation groove, open by force etc., play promotion anti-theft capability；In addition, housing 4 blocks guide groove, more difficult can see clearly Chu Suozhu distributing position changes existing center lock construction, proposes novel theft-prevention structure, helps promotion anti-theft effect.Furthermore it utilizes This structure play do not have in 1272 keys one it is identical, prevent copy and anti-theft effect it is significant.Compared to traditional keys, this structure With promotion anti-theft effect.For example, lock core 1 can not be opened, omnipotent when lock core teeth 101 and 201 unpaired state of key teeth Key is influenced by lock core teeth 101, and omnipotent key then can not can not twist lock core and can not open door body to lock pearl position, To promote anti-theft effect.

As shown in Figure 1, the use working principle of this structure: after key body 2 is inserted into guide groove 102, then move down, To at lock core teeth 101, the key teeth 201 on key body 2 are engaged with lock core teeth 101, could allow key body 2 at this time On keyhole with lock pearl 103 match, make 3 rotating opening door body of lock core.

As shown in Fig. 2, it is specific further, it is described to put on outside equipped with preceding lockhole and rear lockhole, play promotion anti-theft effect.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (8)

1. a kind of theftproof lock, including housing (4) and housing (4) be built-in with one can turn lock core (1), lock core (1) one end connects It is connected to poke rod (3), it is characterised in that: the housing (4) is equipped with opening, and lock core (1) is equipped with guide groove (102), guiding Slot (102) is connected with the outer surface of lock core (1), is equipped with lock core teeth (101) in guide groove (102).

2. a kind of theftproof lock according to claim 1, it is characterised in that: be equipped with lock pearl in the guide groove (102) (103), lock pearl (103) is located at the top of lock core teeth (101).

3. a kind of theftproof lock according to claim 1, it is characterised in that: the lock core teeth (101) are fixed on lock core (1) It is interior.

4. a kind of theftproof lock according to claim 1, it is characterised in that: the surface of the lock core teeth (101) is equipped with convex Point, salient point peak at the inner wall of lock core (1).

5. a kind of theftproof lock according to claim 1, it is characterised in that: the lock core teeth (101) and lock core (1) are one Body forms.

6. the matching used key of theftproof lock described in a kind of and claim 1 to 5 any one, including key body (2), Be characterized in that: the key body (2) is equipped at least one keyhole (202), is equipped at the bottom of key body (2) and lock core The compatible key teeth (201) of teeth (101).

7. a kind of theftproof lock according to claim 6, it is characterised in that: the key teeth (201) are irregular key Teeth or regular key teeth.

8. a kind of theftproof lock according to claim 6, it is characterised in that: the housing (4) be equipped with preceding lockhole (401) and Lockhole (402) afterwards.