CN108825004B

CN108825004B - Quick cabinet lock

Info

Publication number: CN108825004B
Application number: CN201810888832.XA
Authority: CN
Inventors: 陆惠良; 尹之川
Original assignee: Skk Intelligent Hardware Shaoxing Co ltd
Current assignee: Skk Intelligent Hardware Shaoxing Co ltd
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2023-06-27
Anticipated expiration: 2038-08-07
Also published as: CN108825004A

Abstract

The application relates to a quick cabinet lock, and belongs to the technical field of cylinder spring locks with a brake pin or a spring after a key is plugged in. The lock comprises a lock seat, a pin tumbler head, a lock cylinder, a connecting rod and a fixed sleeve, wherein the pin tumbler head comprises a housing and a bolt sleeve, the lock seat comprises an empty slot and a lock sleeve, and the lock sleeve is positioned below the empty slot and is communicated with the empty slot; the lock core comprises a lock cylinder, one end of a connecting rod is buckled in the lock sleeve relative to the lock cylinder, and the other end of the connecting rod is fixed through a fixing sleeve. The method is applied to cabinet boxes such as vending machines and container containers, and has the advantages of being high in safety, good in universality, quick, convenient and the like.

Description

Quick cabinet lock

Technical Field

The application relates to a quick cabinet lock, and belongs to the technical field of cylinder spring locks with a brake pin or a spring after a key is plugged in.

Background

With the gradual development of commercial and industrial automation, cabinets such as vending machines, container containers and the like are very common in daily life, and the facilities are not limited by time and places, so that manpower can be saved and transaction is convenient, but in order to ensure the safety of articles in the cabinets, the cabinets are usually required to be locked, such as an electronic lock or a plum blossom lock, a cylinder lock and the like, because the cabinets are in a non-monitoring state for a long time. Although the electronic lock is convenient to use, in the use of electronic facilities, signals are easy to shield or interfere, and complete safety control cannot be achieved; the conventional plum blossom lock or the spring lock is easy to be stolen or cracked, and the safety is poor.

Based on this, the present application is made.

Disclosure of Invention

Aiming at the defects existing in the existing cabinet, the cabinet lock is high in safety, good in universality and quick and convenient.

In order to achieve the above purpose, the technical scheme adopted by the application is as follows:

a quick cabinet lock comprises a lock seat, a pin tumbler head, a lock cylinder, a connecting rod and a fixed sleeve, wherein the pin tumbler head comprises a housing and a bolt sleeve, the lock seat comprises an empty slot and a lock sleeve, and the lock sleeve is positioned below the empty slot and is communicated with the empty slot; the lock cylinder comprises a lock cylinder, one end of the lock cylinder is provided with a lock hole, the other end of the lock cylinder is arranged in a bolt sleeve, a spring column which stretches and contracts along with the rotation of a key inserted into the lock cylinder is arranged on the lock cylinder, a through groove is arranged on the bolt sleeve corresponding to the spring column, a clamping hole is arranged on the lock sleeve corresponding to the through groove, the lock cylinder is positioned in the bolt sleeve and keeps the lock hole outwards, and the bolt sleeve penetrates through the empty groove and is movably arranged in the lock sleeve; one end of the connecting rod is buckled in the lock sleeve relative to the lock cylinder, and the other end of the connecting rod is fixed through the fixed sleeve; the key is inserted into the lock hole and rotates, the spring column is contracted and falls into the bolt sleeve, the lock core and the spring head are lifted relative to the lock sleeve, and the cabinet lock is in an open state; the spring head is pressed downwards, the spring column is extruded by the inner wall of the lock sleeve and contracts to fall in the bolt sleeve, when the spring column moves downwards to the position corresponding to the clamping hole and the through groove, the spring column automatically stretches out and passes through the through groove to be clamped into the clamping hole, the lock column is fixed with the lock sleeve, and the cabinet lock is in a locking state.

Further, as preferable:

the lock cylinder end face where the lock hole is located is provided with the protruding block, and when the plane of the external tool acts on the protruding block, the slipping phenomenon can occur, so that the damage to the lock cylinder caused by the fact that the external tool drills in is avoided. More preferably, the bump has an arc-shaped top structure. The arc-shaped top structure can adopt structures such as steel balls and steel balls, and when other planes act on the arc-shaped top structure, slipping occurs, so that the outer tool is prevented from continuously drilling in, and the safety is better.

The connecting rod is sleeved with a clamp spring, the clamp spring is positioned between the lock sleeve and the bolt sleeve, the lock cylinder is pressed down, and the clamp spring is contracted; the lock core moves upwards, the external force is reduced or eliminated, the clamp spring recovers deformation, and the lock core and the bolt sleeve are jacked up and extend out of the lock sleeve bolt sleeve.

The spring column is of a structure with a wide upper part (towards one end of the lock hole) and a narrow lower part (towards one end of the connecting rod), and is convenient for automatic shrinkage when being pressed.

Be provided with the cross pin on the connecting rod, the connecting rod passes through the movable buckle of cross pin in the lock sleeve, more preferably, the lock sleeve sets up the mouth edge towards the one end bottom of connecting rod, and the cross pin hangs in mouth edge department, realizes the swing joint of connecting rod and lock sleeve to avoid the connecting rod to drop from the lock sleeve.

The fixing sleeve is provided with a fixing cap in a buckled mode. More preferably, the connecting rod is in threaded connection with the fixed sleeve. The fixed sleeve is internally provided with the locking block, the locking block is of a hollow structure formed by splicing three split locking blocks, the hollow structure is conical, one end of the locking block facing the connecting rod is a small end, the inner wall of the hollow structure is provided with a thread groove, the position on the connecting rod corresponding to the thread groove is provided with an external thread, the connecting rod is screwed in or out of the locking block, namely, the fixing of the connecting rod is realized, the locking block structure of the three split locking blocks avoids the locking phenomenon, and meanwhile, the buffering performance of the locking block is also improved. The pressure spring is arranged in the fixing cap, and two ends of the pressure spring respectively lean against the inner wall of the fixing cap and the locking block, so that the locking block is prevented from loosening and deforming in the rotating process. The buckling installation is realized through at least one buckle with a clamping groove and at least one protruding clamping block, the clamping block can be arranged on the fixing sleeve, the buckle is correspondingly arranged on the fixing cap, and the clamping block can also be arranged on the fixing cap, and the buckle is arranged on the fixing sleeve. The external thread is three circles of threads and is composed of a first thread, a second thread and a third thread with different starting points, the first thread, the second thread and the third thread form an external thread with a narrow pitch structure on the surface of the connecting rod, when rotation with a smaller angle is applied, the change of a larger actual length can be realized, and the time for separating or screwing the connecting rod from the fixed sleeve is shortened. The automatic vending machine is applied to an automatic vending machine and a container, one end of a connecting rod is hung at the bottom of a lock sleeve through a transverse pin and the like, the other end of the connecting rod and the lock sleeve penetrate through mounting holes formed in the wall of the automatic vending machine, the container and the like, and the connecting rod rotates to screw the head end of the connecting rod into a locking block at the inner side of the wall of the container; the outer side of the cabinet wall is fixed on the cabinet wall through fasteners such as bolts, a lock cylinder is arranged in the bolt sleeve of the marble head, the lock cylinder and the marble head are pressed into a hollow groove above the lock sleeve, and then the assembly is completed, and at the moment, the clamp springs sleeved on the connecting rod and with two ends respectively propped against the bottom of the lock sleeve and the bottom of the bolt sleeve are in a compressed state. When the lock needs to be opened, a key is inserted into a lock hole of the lock core and rotated, the spring column contracts, the lock column and the lock sleeve are unlocked, the pressure born by the clamp spring is gradually reduced or eliminated, and in the deformation process of the clamp spring, the spring head and the lock core arranged in the spring head are ejected and lifted, so that the lock is opened.

Drawings

FIG. 1 is a schematic perspective view of a keyed configuration of the present application;

FIG. 2 is a schematic diagram of the front structure of the present application in a keyed state;

FIG. 3 is a left side view of the keyed state of the present application;

FIG. 4 is a cross-sectional view in the M-M direction of FIG. 3;

FIG. 5 is a front view of the present application in a keyless state;

FIG. 6 is a right side view of the present application in a keyless state;

fig. 7 is a schematic view of the arrangement of the external thread in the present application.

Reference numerals in the drawings: A. a key; 1. a lock base; 11. a lock sleeve; 12. a through hole; 13. a gasket; 14. an opening edge; 2. a marble head; 21. a bolt sleeve; 3. a lock core; 31. locking a column; 32. a spring column; 33. a bump; 4. a connecting rod; 41. pre-connecting the sections; 42. a main joint section; 43. a headend; 44. clamping springs; 45. a transverse pin; 4a, first threads; 4b, a second thread; 4c, a third thread; 5. a fixed sleeve; 51. a clamping block; 52. a locking block; 6. a fixing cap; 61. a buckle; 7. a first compression spring; 8. and a second compression spring.

Detailed Description

The quick cabinet lock of the embodiment, in combination with fig. 1, comprises a lock seat 1, a pin tumbler head 2, a lock cylinder 3, a connecting rod 4 and a fixed sleeve 5, wherein the pin tumbler head 2 comprises a housing (part of the housing is removed in fig. 1 to show a bolt sleeve 21) and the bolt sleeve 21, the lock seat 1 comprises an empty groove and a lock sleeve 11, and the lock sleeve 11 is positioned below the empty groove and is communicated with the empty groove; the lock cylinder 3 comprises a lock column 31, one end of the lock column 31 is provided with a lock hole (namely, the position where a key A is inserted in fig. 1), the other end of the lock column 31 is installed in a bolt sleeve 21, and referring to fig. 4, a spring column 32 which can stretch and retract along with the rotation of the key inserted into the lock cylinder 3 is arranged on the lock column 31, a through groove (the spring column 31 in fig. 4) is arranged on the bolt sleeve 21 corresponding to the spring column 32, a clamping hole is arranged on the lock sleeve 11 and corresponds to the through groove, the lock column 31 is positioned in the bolt sleeve and keeps the lock hole outwards, and the bolt sleeve 21 passes through the empty groove and is movably installed in the lock sleeve 11; one end of the connecting rod 4 is buckled in the lock sleeve 11 relative to the lock cylinder 31, and the other end is fixed through the fixed sleeve 5. The key A is inserted into the lock hole and rotates, the spring column 32 is contracted and falls into the bolt sleeve 21, the lock core 3 and the spring head 2 are lifted up relative to the lock sleeve 11, and the cabinet lock is in an open state; the pin tumbler head 2 is pressed downwards, the pin tumbler 32 is extruded by the inner wall of the lock sleeve 11 and contracts to fall in the bolt sleeve 21, when the pin tumbler 32 moves downwards to the clamping hole (which is arranged on the inner wall of the lock sleeve 11 and can be of a groove-shaped structure, a cavity is formed between the clamping hole and the through groove) and corresponds to the through groove, the pin tumbler 32 automatically stretches out and passes through the through groove to be clamped into the clamping hole, the lock cylinder 31 is fixed with the lock sleeve 11, and the cabinet lock is in a locking state.

The application is applied to vending machines and container containers, one end of a connecting rod 4 is hung at the bottom of a lock sleeve 11, the other end of the connecting rod passes through mounting holes formed in walls of the vending machines, the container containers and the like, a fixing sleeve 5 is arranged on the inner side of the walls, the fixing sleeve 5 rotates, and the end of the connecting rod 4 is screwed in; on the outer side of the cabinet wall, the lock base 1 is fixed on the cabinet wall by adopting a fastener such as a bolt, the lock core 3 is arranged in the bolt sleeve 21 of the pin head 2, and the lock core 3 and the pin head 2 are pressed into the empty groove on the lock sleeve 11, so that the assembly is completed (see the solid line part indicated by the left end arrow in fig. 5). When the key a is required to be opened, the key a is inserted into the lock hole of the lock cylinder 3, the key a is rotated, the pin 32 is contracted, the lock 32 and the lock sleeve 11 are unlocked, and the pin head 2 and the lock cylinder 3 mounted in the pin head 2 are ejected and lifted (see the broken line part indicated by the left end arrow in fig. 5), namely, the key a is opened.

In the use, according to different user demands, can set up connecting rod 4 to different length to satisfy the use of different wall thickness cabinet.

In order to achieve more using effects, the above scheme can be additionally provided as follows:

with reference to fig. 5, the end face of the lock cylinder 3 where the lock hole is located is provided with a bump 33, and when the plane of the external tool acts on the bump, a slipping phenomenon occurs, so that the damage to the lock cylinder 3 caused by the drilling of the external tool is avoided. More preferably, the protruding block 33 is in an arc structure, the protruding block 33 can adopt arc structures such as steel balls and steel balls, and when other planes act on the protruding block, slipping occurs, so that the external tool is prevented from continuously drilling in, and the safety is better.

In order to achieve more using effects, the above scheme can be additionally provided as follows: the spring head 2 and the lock cylinder 3 can be sprung up by adopting the cooperation of the snap spring 44 and the spring post 32, as a specific and convenient operation mode, the snap spring 44 is arranged between the bolt sleeve 21 and the lock sleeve 11, the length of the snap spring 44 does not exceed the distance from the empty slot to the bottom of the lock sleeve 11, and when the bolt sleeve 21 is arranged in the lock sleeve 11, the two ends of the snap spring 44 respectively prop against the bottoms of the lock sleeve 11 and the bolt sleeve 21 and are in a compressed state; when the key a is required to be opened, the key a is inserted into the lock hole of the lock cylinder 3, the key a is rotated, the lock cylinder 32 is contracted, the lock cylinder 32 and the lock sleeve 11 are unlocked, the pressure born by the clamp spring 44 is reduced or eliminated, and the pin head 2 and the lock cylinder 3 arranged in the pin head 2 are ejected and lifted (see the broken line part indicated by the left end arrow in fig. 5) in the process of recovering deformation of the clamp spring 44, so that the key a is opened. Other similar means or other configurations of similar operating principles may be substituted. The two ends of the snap spring 44 are preferably fixedly connected with the bottom of the lock sleeve 11 and the bottom of the bolt sleeve 21 respectively so as to ensure stable installation. The snap spring 44 is preferably sleeved on the connecting rod 4, so that the deformation path of the snap spring is controllable.

In order to achieve more using effects, the above scheme can be additionally provided as follows: the spring column 32 has a structure with a wide upper part and a narrow lower part, and is convenient for automatic shrinkage when being pressed.

In order to achieve more using effects, the above scheme can be additionally provided as follows: the connecting rod 4 is provided with a transverse pin 45 (a conventional pin, a bolt pin and other structures can be adopted), the connecting rod 4 is movably buckled in the lock sleeve 11 through the transverse pin 45, more preferably, the lock sleeve 11 is provided with a mouth edge 14 towards the bottom of one end of the connecting rod 4, and the transverse pin 45 is hung at the mouth edge 14, so that the movable connection between the connecting rod 4 and the lock sleeve 11 is realized.

In order to achieve more using effects, the above scheme can be additionally provided as follows: the fixing cap 6 is buckled and installed on the fixing sleeve 5, and the fixing cap 6 is beneficial to packaging the extending end of the connecting rod 4, so that further fastening is realized, the connecting rod 4 is prevented from being exposed, the connecting rod 4 is ensured to be fixed at the end, and the unstable fixation caused by slipping is avoided.

The above scheme can be further set as follows: the connecting rod 4 is connected with the fixed sleeve 5 through threads.

More preferably, the locking block 52 is arranged in the fixing sleeve 5, and referring to fig. 6, the locking block 52 is a hollow structure formed by splicing three split pieces, the hollow structure is conical, one end facing the connecting rod 4 is a small end, a thread groove is formed in the inner wall of the hollow structure, an external thread is arranged at a position corresponding to the connecting rod 4, the connecting rod 4 is screwed into or screwed out of the fixing sleeve 5, the head end 43 of the connecting rod 4 preferably protrudes out of the locking block 52, namely, the fixing of the connecting rod 4 is realized, the locking phenomenon is avoided by the three split pieces, and meanwhile, the buffering performance of the structure is improved; the length of the screw-in is adjusted within a certain size range. The external threads are preferably three threads as shown in fig. 7, the three threads are composed of a first thread 4a, a second thread 4b and a third thread 4c, the starting points of the first thread 4a, the second thread 4b and the third thread 4c on the connecting rod 4 are different, the threads are spirally arranged on the connecting rod 4 to form the external threads with narrow pitches, and when small-angle rotation is applied, the change of a larger actual length can be realized, so that the time for separating or screwing the connecting rod 4 into the fixed sleeve 5 is shortened.

The above scheme can further set up: with reference to fig. 4, the access end of the connecting rod 4 may be provided with two sections of different threads: the thread density and thread direction of the pre-connection section 41 and the main connection section 42 can be set to be different, as shown in fig. 4, the pre-connection section 41 is vertical thread and wide thread pitch, and the main connection section 42 is inclined thread and narrow thread pitch, so as to adapt to the convenience of screwing in the conical hollow structure and the occlusion stability in the hollow structure.

The above scheme can further set up: the first pressure spring 7 is arranged in the fixed cap 6, and two ends of the first pressure spring 7 respectively lean against the inner wall of the fixed cap 6 and the locking block 52, so that the locking block 52 is prevented from being loosened and deformed in the rotating process.

The above-mentioned scheme of buckle installation is realized through a buckle that has the draw-in groove and a outstanding fixture block, and in the implementation, can set up fixture block 51 on fixed cover 5, correspond to set up a buckle 61 on fixed cap 6 as shown in fig. 2, also can set up the fixture block on the fixed cap, set up the buckle on the fixed cover (this scheme does not show on the drawing).

The application is applied to cabinet boxes such as vending machines, container containers and the like, one end of a connecting rod 4 is hung in a lock sleeve 11 through a transverse pin 45, the other end of the connecting rod passes through mounting holes formed in cabinet walls such as the vending machines, the container containers and the like, a fixing sleeve 5 and a fixing cap 6 are arranged on the inner sides of the cabinet walls, the connecting rod 4 rotates, and the head end 43 of the connecting rod is screwed into a locking block 52; on the outer side of the cabinet wall, the lock base 1 is fixed on the cabinet wall by adopting a fastening piece such as a bolt, the lock cylinder 3 is arranged in the bolt sleeve 21 of the pin head 2, the lock cylinder 3 and the pin head 2 are pressed into the empty groove on the lock sleeve 11, and then the assembly is completed (see the solid line part indicated by the left end arrow in fig. 5), and the clamp spring 44 is in a compressed state. When the lock needs to be opened, the key A is inserted into the lock hole of the lock cylinder 3, the lock cylinder 32 is rotated, the lock cylinder 32 and the lock sleeve 11 are completely unlocked (the unlocking of the lock cylinder can refer to the unlocking principle of the cylinder lock), the pressure born by the clamp spring 44 is gradually reduced or eliminated, and the cylinder head 2 and the lock cylinder 3 arranged in the cylinder head 2 are ejected and lifted (refer to a broken line part indicated by a left end arrow in fig. 5) in the process of recovering deformation of the clamp spring 44, so that the lock is completely opened.

The foregoing is a further detailed description of the proposed solution in connection with the preferred embodiments of the present invention, and it should not be construed that the invention is limited to the specific embodiments, but that several simple deductions or substitutions may be made by those skilled in the art to which the invention pertains without departing from the inventive concept, all shall be deemed to fall within the scope of the invention.

Claims

1. A quick cabinet lock, characterized in that: the lock comprises a lock seat, a pin tumbler head, a lock cylinder, a connecting rod and a fixed sleeve, wherein the pin tumbler head comprises a housing and a bolt sleeve, the lock seat comprises an empty slot and a lock sleeve, and the lock sleeve is positioned below the empty slot and is communicated with the empty slot; the lock cylinder comprises a lock cylinder, one end of the lock cylinder is provided with a lock hole, the other end of the lock cylinder is arranged in a bolt sleeve, a spring column which stretches and contracts along with the rotation of a key inserted into the lock cylinder is arranged on the lock cylinder, a through groove is arranged on the bolt sleeve corresponding to the spring column, a clamping hole is arranged on the lock sleeve corresponding to the through groove, the lock cylinder is positioned in the bolt sleeve and keeps the lock hole outwards, and the bolt sleeve penetrates through the empty groove and is movably arranged in the lock sleeve; one end of the connecting rod is buckled in the lock sleeve relative to the lock cylinder, and the other end of the connecting rod is fixed through the fixed sleeve; the key is inserted into the lock hole and rotates, the spring column is contracted and falls into the bolt sleeve, the lock core and the spring head are lifted relative to the lock sleeve, and the cabinet lock is in an open state; the spring head is pressed downwards, the spring column is extruded by the inner wall of the lock sleeve and contracts to fall in the bolt sleeve, when the spring column moves downwards to the position corresponding to the clamping hole and the through groove, the spring column automatically stretches out and passes through the through groove to be clamped into the clamping hole, the lock column is fixed with the lock sleeve, and the cabinet lock is in a locking state;

the fixing sleeve is internally provided with a locking block, the locking block is of a hollow structure formed by splicing three split pieces, the hollow structure is conical, one end facing the connecting rod is a small end, the inner wall of the hollow structure is provided with a thread groove, the connecting rod is provided with external threads at the corresponding position, and the fixing sleeve is screwed in or screwed out, so that the connecting rod is fixed.

2. A quick lock according to claim 1, wherein: the lock core is provided with a lug on the end face of one end of the lock hole.

3. A quick lock according to claim 2, wherein: the bump has an arc-shaped top structure.

4. A quick lock according to claim 1, wherein: and a clamp spring is arranged between the bolt sleeve and the lock sleeve, and the length of the clamp spring does not exceed the length of the lock sleeve.

5. A quick lock according to claim 1, wherein: the elastic column is of a structure with a wide upper part and a narrow lower part.

6. A quick lock according to claim 1, wherein: the connecting rod is provided with a transverse pin, and the connecting rod is movably buckled in the lock sleeve through the transverse pin.

7. A quick lock according to claim 1, wherein: the fixing sleeve is provided with a fixing cap in a buckled mode.

8. A quick lock according to claim 7, wherein: the fixing cap is internally provided with a pressure spring, and two ends of the pressure spring respectively lean against the inner wall of the fixing cap and the locking block.

9. A quick cabinet lock according to claim 7, wherein: the buckling installation is realized through at least one buckle with a clamping groove and at least one protruding clamping block, the clamping block is arranged on the fixing sleeve, the buckle is correspondingly arranged on the fixing cap, or the clamping block is arranged on the fixing cap, and the buckle is arranged on the fixing sleeve.