CN213205269U - Anti-prying lock cylinder - Google Patents
Anti-prying lock cylinder Download PDFInfo
- Publication number
- CN213205269U CN213205269U CN202021806056.3U CN202021806056U CN213205269U CN 213205269 U CN213205269 U CN 213205269U CN 202021806056 U CN202021806056 U CN 202021806056U CN 213205269 U CN213205269 U CN 213205269U
- Authority
- CN
- China
- Prior art keywords
- lock
- core
- groove
- inner core
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a pick-proof lock core, the field of lock core is related to, it is including the lock shell, install in the outer lock courage of lock shell one end, set up the lock core mouth on the outer lock courage, the lock shell is close to lock core mouth one end and is provided with the pick-proof device, the pick-proof device includes the urceolus of fixed connection on the lock shell lateral wall, rotate the inner core of connecting in the urceolus inner chamber, the inner core is cylindric setting and sets up along the length direction who is on a parallel with the lock shell, the terminal surface of inner core hides in the lock core mouth, logical groove has been seted up on the terminal surface of inner core, lead to the both ends terminal surface that the groove link up the inner core, lead to the groove notch and can rotate with the lock core. This application has the effect that improves lock core factor of safety.
Description
Technical Field
The application relates to the field of lock cylinders, in particular to a prying-resistant lock cylinder.
Background
The main function of the lock core is to transmit torque force by the head, so as to drive other parts of the lock to achieve unlocking and locking. The head structures of the lock cylinders of the padlock, the drawer lock, the door lock and the bicycle lock are different, and the torque transmission modes are different, but the functions are the same. Most common double-sided lock cylinders (i.e. the type that can be opened and locked by inserting a key from the inside and outside of the door) are on the market at present.
The prior Chinese patent with the publication number of CN 206397280U discloses a breakage-proof lock core, wherein a spring capable of pushing an internal rotary key to the direction of a thumb-piece is arranged in an internal lock liner; the utility model discloses a have cut a platform on the internal rotation key, but be equipped with the lower magnetism that attracts mutually in the platform of internal rotation key and the last magnetism of inner lock courage inhale a spout and inhale a piece with last magnetism respectively, when normal condition, it inhales a bottom and is tangent thereby can not hinder to insert the rotatory inner lock courage of correct key back and open, lock the door to inhale a bottom and the excircle of this internal rotation key, and when the lock core was broken at this recess department, after the spring outwards pushed this internal rotation key for a small distance, inhale a piece with last magnetism down and inhale and fall the platform and make the internal rotation key card in the lock courage under the effect of magnetic force, at this moment and first marble subassembly together, play dual function ground and prevent lawless person's violence from opening the door, consequently the utility model discloses an anti-theft performance is higher, uses safelyer, and after the outer half of lock core was broken by the violence of people, and the owner in the door still can insert the key in the inner lock courage.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: although the lock core has a certain anti-theft effect, the possibility that the lock core is pried open still exists when tools such as iron wires are inserted into the lock core opening, and the anti-theft safety coefficient of the lock core is still low and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the factor of safety of lock core, this application provides a pick-proof lock core.
The application provides a pick-proof lock core adopts following technical scheme:
a pick-proof lock core comprises a lock shell, an outer lock core arranged at one end of the lock shell, and a lock core opening arranged on the outer lock core, wherein a pick-proof device is arranged at one end of the lock shell close to the lock core opening, the pick-proof device comprises an outer cylinder fixedly connected on the outer side wall of the lock shell and an inner core rotatably connected in the inner cavity of the outer cylinder, the inner core is arranged in a cylindrical shape and is arranged along the length direction parallel to the lock shell, the end surface of the inner core is shielded in the lock core opening, a through groove is arranged on the end surface of the inner core, the through groove inner cavity is arranged in a cuboid shape and is arranged along the length direction of the outer lock core, the through groove penetrates through the end surfaces at two ends of the inner core, the through groove opening can be rotationally aligned with the lock core opening, a reset spring is fixedly connected between the outer cylinder and the inner core, the, the other end is fixedly connected to the inner side wall of the outer cylinder.
By adopting the technical scheme, when the whole lock cylinder is in a lock-up state, the plane where the inner cavity of the through groove is located and the plane where the inner cavity of the lock cylinder is located are in a crossed state, when a user unlocks, the key is firstly inserted into the through groove, then the inner core is rotated to enable the notch of the through groove to be aligned with the opening of the lock cylinder, and when the notch of the through groove is aligned with the opening of the lock cylinder, the key is further pushed to be inserted into the lock cylinder, so that the lock cylinder; when the key is separated from the inner core, the inner core rotates again under the action of the return spring; the setting of inner core can form the lock core mouth and shelter from, and the automatic gyration of inner core can hinder normal prying action when prying this lock core simultaneously, consequently can increase the prying degree of difficulty to improve the factor of safety of lock core.
Preferably, a groove is formed in the inner side wall of the outer barrel, the groove is annularly arranged and annularly arranged on the inner side wall of the outer barrel, a sliding block is fixedly connected to the side wall of the inner core, the sliding block is inserted into the groove, and the side wall of the sliding block, which faces away from the inner core, is in rotating contact with the groove surface of the groove.
Through adopting above-mentioned technical scheme, when the inner core rotated, drive the slider and rotate, the slider lateral wall was contradicted with the recess groove face and is slided, and this kind of setting not only is favorable to rotating the inner core and leads, also can improve the stability of inner core when rotating.
Preferably, the side wall of the slide block back to the inner core is hemispherical.
Through adopting above-mentioned technical scheme, this kind of be provided with and do benefit to when the slider slides, reduce the frictional resistance between slider and the recess groove face.
Preferably, the lock shell has been seted up the spacing groove on the terminal surface towards the inner core, the inner chamber of spacing groove is the arc setting, the inner core is towards the terminal surface fixedly connected with gag lever post of lock core mouth, the gag lever post sets up along the terminal surface direction of perpendicular to inner core, the gag lever post is pegged graft in the spacing groove, the lateral wall of gag lever post is contradicted with the lateral wall laminating of spacing groove.
Through adopting above-mentioned technical scheme, the rotation range of inner core not only can be restricted in the setting of gag lever post and spacing groove, is convenient for lead to the quick alignment of groove notch and lock core mouth, can also improve inner core pivoted stability.
Preferably, the end face of the inner core facing the outer lock core is embedded with a steel ball, and the steel ball is abutted to the end face of the outer lock core facing the inner core.
Through adopting above-mentioned technical scheme, being provided with of steel ball does benefit to when the inner core rotates, reduces the frictional resistance between inner core and the outer lock courage.
Preferably, the end face of the outer cylinder, which faces away from the outer lock cylinder, is rotatably connected with a baffle plate, and the baffle plate covers the notch of the through groove.
Through adopting above-mentioned technical scheme, when the lock core was in under the locking state, the shielding plate covered and sheltered from to leading to the groove notch, and this kind of setting can be protected the lock core, reduces the artificial condition of carrying out malicious shutoff to leading to the groove notch.
Preferably, the side wall of the shielding plate, which faces away from the lock case, is provided with anti-skid threads.
By adopting the technical scheme, the friction force between the shielding plate and a hand can be increased by the arrangement of the anti-slip grains, so that the shielding plate can be pushed away manually.
Preferably, the outer side wall of the inner core is fixedly connected with a guide rod, the guide rod is annularly arranged and is arranged along the circumferential direction of the inner core, and the guide rod is connected in the inner cavity of the reset spring in a penetrating mode.
Through adopting above-mentioned technical scheme, this kind of setting is convenient for play the guide effect to reset spring, is favorable to reset spring to rotate more stably.
To sum up, the application comprises the following beneficial technical effects:
1. the safety coefficient of the lock cylinder can be improved by arranging the outer cylinder, the inner core, the through groove and the reset spring;
2. through the arrangement of the groove and the sliding block, the effect of enabling the inner core to rotate more stably can be achieved.
Drawings
Fig. 1 is an exploded view illustrating the entire structure of the lock cylinder in the embodiment.
Fig. 2 is an exploded view of the lock cylinder stopper in the embodiment.
Fig. 3 is a schematic sectional view of a lock cylinder stopper rod according to an embodiment.
Description of reference numerals: 1. a lock case; 2. an outer lock cylinder; 3. a lock cylinder opening; 4. a pick-proof device; 41. an inner core; 42. an outer cylinder; 421. splicing blocks; 6. a shielding plate; 7. anti-skid lines; 8. a rotating ring; 9. a rotating groove; 10. a through groove; 11. a return spring; 12. a guide bar; 13. a groove; 14. a slider; 15. a limiting groove; 16. a limiting rod; 17. and (5) steel balls.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a pick-proof lock cylinder.
Examples
Referring to fig. 1, the anti-prying lock cylinder comprises a lock shell 1, an outer lock cylinder 2 arranged in the lock shell 1 and a lock cylinder opening 3 arranged on the outer lock cylinder 2. Wherein, one end of the lock shell 1 close to the lock cylinder opening 3 is provided with an anti-prying device 4, and the anti-prying device 4 comprises an outer cylinder 42 fixedly connected on the outer side wall of the lock shell 1 and an inner core 41 rotatably connected in the inner cavity of the outer cylinder 42.
Referring to fig. 1, the outer cylinder 42 is cylindrical and is disposed along the length direction of the outer lock cylinder 2, the outer cylinder 42 includes two identical splicing blocks 421, and each splicing block 421 is disposed in a semi-cylindrical shape. One end face of the outer cylinder 42 is fixedly attached to the end face of the lock case 1. The inner cavity of the outer cylinder 42 is disposed in a cylindrical shape and is penetrated through the cylinder port 3.
Referring to fig. 1, a shielding plate 6 is rotatably connected to an end surface of the outer cylinder 42 facing away from the outer lock cylinder 2, the shielding plate 6 is disposed in a cylindrical shape and is disposed in a direction parallel to the end surface of the outer cylinder 42, and the shielding plate 6 is capable of rotatably shielding an inner cavity opening of the outer cylinder 42.
Referring to fig. 1, the end surface of the shielding plate 6 facing away from the inner core 41 is provided with anti-slip threads 7, and the anti-slip threads 7 are arranged in a water wave shape.
Referring to fig. 1, the inner core 41 is disposed in a cylindrical shape and is disposed along a length direction parallel to the outer cylinder 42, the inner core 41 is inserted into an inner cavity of the outer cylinder 42 and is rotatably connected with the outer cylinder 42, an end surface of the inner core 41 is shielded in the lock cylinder opening 3, and a gap is left between the inner core 41 and an inner wall of the inner cavity of the outer cylinder 42.
Referring to fig. 1, a rotating ring 8 is fixedly connected to the outer side wall of the inner core 41, the rotating ring 8 is arranged in a circular ring shape and arranged along the circumferential direction of the inner core 41, a rotating groove 9 is formed in the inner side wall of the outer cylinder 42, the rotating groove 9 is arranged in a circular ring shape and coaxially and rotatably arranged with the inner core 41, and the rotating ring 8 is rotatably connected to the rotating groove 9.
Referring to fig. 1, a through groove 10 is formed in the inner core 41, an inner cavity of the through groove 10 is a cuboid and is arranged along the length direction of the outer lock cylinder 2, the through groove 10 penetrates through end faces of two ends of the inner core 41, and a notch of the through groove 10 can be aligned with the lock cylinder opening 3 in a rotating mode. The shielding plate 6 can rotatably shield the notch of the through groove 10.
Referring to fig. 1, a return spring 11 is fixedly connected between the outer cylinder 42 and the inner core 41, the return spring 11 is annularly arranged and circumferentially arranged along the inner core 41, one end of the return spring 11 is fixedly connected to a side wall of the inner core 41, and the other end of the return spring is fixedly connected to an inner side wall of the outer cylinder 42.
Referring to fig. 1, a guide rod 12 is fixedly connected to an outer side wall of the inner core 41, the guide rod 12 is annularly arranged and arranged along a circumferential direction of the inner core 41, and the guide rod 12 is inserted into an inner cavity of the return spring 11.
Referring to fig. 1, a groove 13 is formed in the inner side wall of the outer cylinder 42, and the groove 13 is annularly formed and annularly arranged on the inner side wall of the outer cylinder 42.
Referring to fig. 1, a sliding block 14 is fixedly connected to a side wall of the inner core 41, the sliding block 14 is disposed in a cylindrical shape and is perpendicular to a length direction of the inner core 41, and the sliding block 14 is inserted into the groove 13.
Referring to fig. 1, the side wall of the slider 14 facing away from the inner core 41 is hemispherical, and the side wall of the slider 14 facing away from the inner core 41 is abutted against the groove surface of the groove 13.
Referring to fig. 1, a limiting groove 15 is formed in the end surface of the lock case 1 facing the inner core 41, and the inner cavity of the limiting groove 15 is arc-shaped.
Referring to fig. 3, the inner core 41 is fixedly connected with a limiting rod 16 on the end surface facing the lock core opening 3, the limiting rod 16 is arranged in a cylindrical shape and is arranged along the direction perpendicular to the end surface of the inner core 41, the limiting rod 16 is inserted into the limiting groove 15, and the side wall of the limiting rod 16 is abutted to the groove wall of the limiting groove 15.
Referring to fig. 3, a plurality of steel balls 17 are embedded on the end surface of the inner core 41 facing the outer lock cylinder 2, and the steel balls 17 are attached to the end surface of the outer lock cylinder 2 facing the inner core 41 to rotate.
The implementation principle of the embodiment is as follows: when the whole lock core is in a locking state, the plane where the inner cavity of the through groove 10 is located and the plane where the inner cavity of the lock core are located are in a crossed state, when a user unlocks, the key is firstly inserted into the through groove 10, then the inner core 41 is rotated to enable the notch of the through groove 10 to be aligned with the lock core opening 3, and when the notch of the through groove 10 is aligned with the lock core opening 3, the key is further pushed to be inserted into the lock core, so that the lock core is unlocked; when the key is disengaged from the plunger 41, the plunger 41 is rotated again by the return spring 11.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a pick-proof lock core, includes lock shell (1), installs outer lock courage (2) on lock shell (1), sets up lock core mouth (3) on outer lock courage (2), its characterized in that: the lock shell is characterized in that one end, close to the lock cylinder opening (3), of the lock shell (1) is provided with a prying-resistant device (4), the prying-resistant device (4) comprises an outer cylinder (42) fixedly connected to the outer side wall of the lock shell (1) and an inner core (41) rotatably connected to the inner cavity of the outer cylinder (42), the inner core (41) is arranged in a cylindrical shape and arranged in the length direction parallel to the lock shell (1), the end face of the inner core (41) is shielded in the lock cylinder opening (3), a through groove (10) is formed in the end face of the inner core (41), the inner cavity of the through groove (10) is arranged in a cuboid shape and arranged in the length direction of the outer lock cylinder (2), the through groove (10) penetrates through the end faces of the two ends of the inner core (41), the notch of the through groove (10) can be aligned with the lock cylinder opening (3) in a rotating manner, a reset spring (11) is fixedly connected between the outer cylinder (42, one end of the return spring (11) is fixedly connected to the outer side wall of the inner core (41), and the other end of the return spring is fixedly connected to the inner cylinder wall of the outer cylinder (42).
2. An anti-picking lock core according to claim 1, characterized in that: the inner wall of the outer barrel (42) is provided with a groove (13), the groove (13) is annularly arranged and annularly arranged on the inner wall of the outer barrel (42), the side wall of the inner core (41) is fixedly connected with a sliding block (14), the sliding block (14) is inserted into the groove (13), and the side wall of the sliding block (14) back to the inner core (41) is in rotating contact with the groove surface of the groove (13).
3. An anti-picking lock core according to claim 2, characterized in that: the side wall of the sliding block (14) back to the inner core (41) is hemispherical.
4. An anti-picking lock core according to claim 1, characterized in that: the lock shell is characterized in that a limiting groove (15) is formed in the end face, facing the inner core (41), of the lock shell (1), the inner cavity of the limiting groove (15) is arc-shaped, the inner core (41) is fixedly connected with a limiting rod (16) facing the end face of the lock core opening (3), the limiting rod (16) is arranged along the end face direction perpendicular to the inner core (41), the limiting rod (16) is inserted into the limiting groove (15), and the side wall of the limiting rod (16) is abutted to the side wall of the limiting groove (15).
5. An anti-picking lock core according to claim 1, characterized in that: the end face of the inner core (41) facing the outer lock core (2) is embedded with a steel ball (17), and the steel ball (17) is abutted with the end face of the outer lock core (2) facing the inner core (41) in a fit mode.
6. An anti-picking lock core according to claim 1, characterized in that: the outer cylinder (42) is connected with a baffle plate (6) in a rotating mode on the end face, back to the outer lock cylinder (2), and the baffle plate (6) covers the notch of the through groove (10).
7. An anti-picking lock core according to claim 6, characterized in that: the side wall of the shielding plate (6) back to the lock shell (1) is provided with anti-skid grains (7).
8. An anti-picking lock core according to claim 1, characterized in that: fixedly connected with guide bar (12) on the lateral wall of inner core (41), guide bar (12) are cyclic annular setting and set up along the circumference of inner core (41), guide bar (12) cross-under connects in reset spring (11)'s inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021806056.3U CN213205269U (en) | 2020-08-25 | 2020-08-25 | Anti-prying lock cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021806056.3U CN213205269U (en) | 2020-08-25 | 2020-08-25 | Anti-prying lock cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213205269U true CN213205269U (en) | 2021-05-14 |
Family
ID=75841368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021806056.3U Expired - Fee Related CN213205269U (en) | 2020-08-25 | 2020-08-25 | Anti-prying lock cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213205269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135161A (en) * | 2021-11-24 | 2022-03-04 | 广东臣家智能科技有限公司 | Double-safety cylinder lock |
| CN114135162A (en) * | 2021-11-24 | 2022-03-04 | 广东臣家智能科技有限公司 | Two-way spring lock and two-way spring lock key unlocking structure |
-
2020
- 2020-08-25 CN CN202021806056.3U patent/CN213205269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135161A (en) * | 2021-11-24 | 2022-03-04 | 广东臣家智能科技有限公司 | Double-safety cylinder lock |
| CN114135162A (en) * | 2021-11-24 | 2022-03-04 | 广东臣家智能科技有限公司 | Two-way spring lock and two-way spring lock key unlocking structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213205269U (en) | Anti-prying lock cylinder | |
| US7698916B2 (en) | Lock | |
| US5022243A (en) | Latching system | |
| CN201794379U (en) | Blocked pick-proof night lock head and key thereof | |
| WO2008031248A1 (en) | A mechanical motored lock cylinder using a thin key card | |
| CN110593650A (en) | Safety anti-theft lock | |
| CN202578170U (en) | Multidirectional locking lock head of external pressing marble of double-sided column in self-sliding vane | |
| CN206513121U (en) | Intelligent panel is locked | |
| CN205637860U (en) | Prevent door handle mechanism that cat eye opened | |
| CN103375058A (en) | Multi-direction-locking lock with self-slide blades, inner double side-barrels and external-pressed pins | |
| CN202209082U (en) | Lock core with knob and prevention from being unlocked through a bypass | |
| CN103147635A (en) | Anti-theft lock with locked safety latch capable of being unlocked by original key | |
| CN203383593U (en) | Rotary safety lock cylinder | |
| CN101761275B (en) | Padlock and key thereof | |
| CN201953174U (en) | Door lock head with leaf type idling lock cylinder | |
| CN203867309U (en) | Passive-type soft linkage side column lock | |
| CN110952839B (en) | Safety anti-theft lock | |
| CN1270041C (en) | Tapered end and key of bullet lock | |
| CN2830585Y (en) | Antitheft lockset used specially for flat locking plate | |
| CN1978849B (en) | Antitheft lock with clutching mechanism | |
| CN103233619A (en) | Technical-opening-resistant novel lock head | |
| CN109594855A (en) | A kind of hydraulic lockset | |
| CN105178716B (en) | A kind of lock core with sequin combined cipher lock pearl | |
| CN2675793Y (en) | Anti-theft door lock opened by key with column bits | |
| CN217735144U (en) | Interlocking marble idling lock body and key thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |