Idling lock cylinder

Abstract

The idle lock cylinder comprises a lock cylinder head, a main body shell and a universal linkage block, the end, close to the main body shell, of the lock cylinder head extends into one end of the main body shell, a lock cylinder hole is formed in the end, away from the main body shell, of the lock cylinder head, and the other end of the main body shell is connected with the universal linkage block in a sleeved mode. A radial through hole is formed in the radial direction of the end, sleeved with the universal linkage block, of the body shell, and two steel balls are symmetrically embedded in the radial through hole and can be clamped to the two sides of an inner cavity of the universal linkage block through the radial through hole respectively. Four steel ball square grooves matched with the steel balls are uniformly formed in an inner cavity of the universal linkage block along the circumference, the steel ball square grooves are used for clamping the steel balls, and the universal linkage block is a clamping ring with the four steel ball square grooves; and a motor is also arranged in the main body shell. According to the utility model, the split design is adopted, and the lock cylinder integral assembly and the general linkage block are split, so that the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lock cylinder technical field, especially a kind of idling lock cylinder. BACKGROUND

[0002] Lock as indispensable security product in daily life, its development course has experienced thousands of years.The traditional mechanical lock is simple in structure, easy to be opened by technology, cannot meet the requirement of modern people to lock high reliability, high security, informationization, intelligentization.Electronic lock cylinder on market although improve security to some extent, but transmission structure is complex, there is the problem that relative idling slide silk is caused by thread engagement reverse, the service life of lock cylinder is affected, and it cannot be automatically reset, and reliability is poor;And the transmission structure of electronic lock cylinder is complex, size is larger, also not conducive to the integration and installation of lock cylinder.

[0003] Therefore, a new type of lock cylinder is needed to solve the above problems of poor reliability, unable to automatically reset, not conducive to the integration and installation of lock cylinder. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient of prior art, provide a kind of idling lock cylinder.

[0005] In order to solve technical problem, the utility model technical scheme is: a kind of idling lock cylinder, including lock cylinder head, main body shell and general linkage block, lock cylinder head is close to the one end of main body shell and enters the one end of main body shell, the one end of lock cylinder head away from main body shell is equipped with lock cylinder hole, the other end of main body shell is sleeved with general linkage block, the radial direction of the one end of main body shell sleeve general linkage block is equipped with radial hole, two steel balls are symmetrically embedded in radial hole, and the two steel balls can be respectively clamped in the two sides of the inner cavity of general linkage block through radial hole;The inner cavity of general linkage block is evenly equipped with four steel ball square grooves matched with steel ball along circumference, steel ball square groove is used for clamping steel ball, and general linkage block is clamping ring with four steel ball square grooves;The inside of main body shell is also equipped with motor, a poking block is sleeved on the motor shaft of motor top, two concaves matched with steel ball are symmetrically arranged on the outer periphery of poking block, one side of steel ball abuts on the concave of poking block, and the opposite side of one side of steel ball can be clamped on steel ball square groove through radial hole, and the poking block is driven into steel ball square groove of general linkage block under the driving of motor, a torsional spring is sleeved on the poking block, and the torsional spring is used to drive the reset of poking block, the inside of main body shell is also equipped with PCB board, motor bottom is connected with PCB board, PCB board is electrically connected with motor, metal probe is connected at the bottom of PCB board, the top part of metal probe is partly inserted into the lock cylinder hole of lock cylinder head, and insulating sleeve is arranged between metal probe and lock cylinder hole;Main body shell top is also equipped with the clamping column integrally formed with it, and the bottom of clamping column is clamped and fixed with the top of poking block.

[0006] Preferably, two protrusions are symmetrically arranged at the end of the universal linkage block away from the main body shell.

[0007] Preferably, the bottom of the torsion spring is connected with a limit snap spring, the bottom of the limit snap spring is connected with the motor, the two sides of the limit snap spring are clamped between the inner wall of the main body shell and the motor, and the limit snap spring is used for limiting the rotation angle of the dial block.

[0008] The main body shell comprises a short cylinder and a long cylinder which are integrally formed and mutually penetrated from top to bottom, and the shape of the motor is adapted to the shape of the inner cavity of the long cylinder.

[0009] Preferably, the lock core head is fixedly connected with the main body shell in a riveting mode.

[0010] Preferably, the motor is a hollow cup motor, the metal probe is a single-contact probe, and the steel ball is made of stainless steel.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] (1) The utility model adopts a split design, the main body shell with the lock core head and the universal linkage block are split into two parts, and if a fault occurs, the two parts can be disassembled, replaced and repaired in time, thereby overcoming the problem that if an integral lock core is damaged, the lock core cannot be repaired and is convenient to maintain.

[0013] (2) The utility model has a compact overall structure and small size, and is convenient for integration and installation of the lock core.

[0014] (3) The utility model adopts a torsion spring automatic reset mechanism, after the key is pulled out, the torsion spring naturally rebounds to reset the dial block, the steel ball returns to the lock core, and the lock core automatically returns to an idle state, without manual resetting, thereby improving the use experience of the lock core, avoiding the problem that in the prior art, reverse screw engagement leads to relative idle sliding, and greatly improving the reliability and service life of the lock core.

[0015] (4) The four steel ball square grooves and the two symmetric steel balls cooperate to form a double-symmetric clamping structure. The steel balls can be alternately clamped into different grooves, the connection between the lock core and the universal linkage block is more stable, and the problems of looseness or falling caused by single-point clamping are avoided; the uniform distribution design of the four steel ball square grooves reduces the processing difficulty, improves the production efficiency, ensures the consistency of the groove size, and is beneficial to precise clamping of the steel balls. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a kind of idle lock core structure schematic diagram.

[0017] Figure 2 The utility model discloses a kind of idle lock core explosion diagram.

[0018] Figure 3 The utility model discloses a general linkage block of idling lock cylinder's plan view.

[0019] Figure 4 The utility model discloses a concave surface and steel ball cooperation relation diagram of the dial block of idling lock cylinder.

[0020] Mark explanation:

[0021] 1, lock cylinder head, 101, lock cylinder hole, 2, main body shell, 201, radial through -hole, 202, clamping column, 203, short cylinder, 204, long cylinder, 3, motor, 4, torsional spring, 5, general linkage block, 501, steel ball square recess, 502, lug, 6, steel ball, 7, dial block, 701, concave surface, 9, limit clamping spring, 10, PCB board, 11, insulating sleeve, 12, metal probe. Specific implementation

[0022] The utility model discloses a specific implementation below combining with the embodiment:

[0023] Need to explain, the structure, proportion, size etc. that the present specification shows, all only use to cooperate the content disclosed in the specification, to supply the person who understands this technology to understand and read, and not use to limit the limited condition that the utility model can implement, any structure modification, proportion relation's change or size's adjustment, under not influence the effect that the utility model can produce and the purpose that can be achieved, all should still fall in the range that the technical content disclosed in the utility model can cover.

[0024] Meanwhile, the language such as "upper", "lower", "left", "right", "intermediate" and "one" cited in the present specification, only for the clear understanding of the narrative, and not use to limit the range that the utility model can implement, the change or adjustment of relative relationship, when also be regarded as the scope that the utility model can implement under no substantial change technical content.

[0025] Embodiment 1

[0026] As Figures 1-3As shown, an idle lock cylinder includes a lock cylinder head 1, a main body shell 2 and a universal linkage block 5, the lock cylinder head 1 extends into one end of the main body shell 2 near the one end of the main body shell 2, the other end of the lock cylinder head 1 is provided with a lock cylinder hole 101, the other end of the main body shell 2 is sleeved with the universal linkage block 5, the end of the main body shell 2 sleeved with the universal linkage block 5 is provided with a radial through hole 201 in the radial direction, two steel balls 6 are symmetrically embedded in the radial through hole 201 and can be respectively clamped in the two sides of the inner cavity of the universal linkage block 5 through the radial through hole 201; the inner cavity of the universal linkage block 5 is uniformly provided with four steel ball square grooves 501 matched with the steel balls 6 along the circumference, the steel ball square grooves 501 are used for clamping the steel balls 6, and the universal linkage block 5 is a clamping ring provided with the four steel ball square grooves 501; the inner part of the main body shell 2 is further provided with a motor 3, a shifting block 7 is sleeved on the motor shaft at the top of the motor 3, two concave surfaces 701 matched with the steel balls 6 are symmetrically arranged on the outer periphery of the shifting block 7, one side of the steel ball 6 abuts against the concave surface 701 of the shifting block 7, and the opposite side of the steel ball 6 can be clamped on the steel ball square groove 501 through the radial through hole 201; the shifting block 7 drives the steel ball 6 to be inserted into the steel ball square groove 501 of the universal linkage block 5 under the driving of the motor 3, a torsional spring 4 is sleeved on the shifting block 7, the torsional spring 4 is used for driving the shifting block 7 to reset, the inner part of the main body shell 2 is further provided with a PCB board 10, the bottom of the motor 3 is connected with the PCB board 10, the PCB board 10 is electrically connected with the motor 3, the bottom of the PCB board 10 is connected with a metal probe 12, the top part of the metal probe 12 is partially inserted into the lock cylinder hole 101 of the lock cylinder head 1, and an insulating sleeve 11 is arranged between the metal probe 12 and the lock cylinder hole 101; the top of the main body shell 2 is further provided with a clamping column 202 integrally formed with the main body shell 2, and the bottom of the clamping column 202 clamps and fixes the top of the shifting block 7.

[0027] The steel ball square groove facilitates the back-and-forth movement of the steel ball. The bottom of the clamping column is used for fixing the shifting block, and the top of the clamping column is used for sleeving the clamping ring. The clamping ring can be clamped on the clamping column at the top of the clamping column, and the lock shell is fixed.

[0028] Preferably, the end of the universal linkage block 5 away from the main body shell 2 is symmetrically provided with two protrusions 502. The protrusions are used for connecting the lock shell.

[0029] Preferably, the bottom of the torsional spring 4 is connected with a limiting clamping spring 9, the bottom of the limiting clamping spring 9 is connected with the motor 3, the two sides of the limiting clamping spring 9 are clamped between the inner wall of the main body shell 2 and the motor 3, and the limiting clamping spring 9 is used for limiting the rotation angle of the shifting block 7.

[0030] Preferably, the lock cylinder head 1 is fixedly connected with the main body shell 2 in a riveting manner.

[0031] The main body shell 2 includes a short cylindrical barrel 203 and a long cylindrical barrel 204 which are integrally formed and mutually penetrated from top to bottom, and the shape of the motor 3 is adapted to the shape of the inner cavity of the long cylindrical barrel 204.

[0032] The transition of the connection between the short cylinder and the long cylinder is smooth.

[0033] Preferably, the motor 3 adopts a hollow cup motor; the metal probe 12 adopts a single-touch probe; and the steel ball 6 adopts stainless steel.

[0034] Embodiment 2

[0035] The lock core head adopts PH17-4, the main body shell adopts PH17-4, the torsion spring adopts stainless steel wire, the universal linkage block adopts SUS304, the steel ball adopts stainless steel, the shifter block adopts PH17-4, the metal spring adopts phosphor copper, the limiting clamp spring adopts stainless steel wire, and the insulating sleeve adopts black nylon.

[0036] The lock core head adopts PH17-4, which has good strength and wear resistance and can withstand the friction force during key insertion and rotation, thereby ensuring the service life of the lock core head. The main body shell adopts PH17-4 material, which has high strength and good corrosion resistance and can effectively protect the internal electronic components and mechanical structure. The torsion spring adopts stainless steel wire, which has excellent elasticity and fatigue resistance and can ensure that the torsion spring maintains good elastic recovery performance during long-term use. The universal linkage block adopts SUS304 stainless steel, which has good corrosion resistance and processing performance and can meet the structural and functional requirements of the universal linkage block. The steel ball adopts stainless steel, which has a smooth surface and high hardness and can reduce friction between the shifter block and the universal linkage block, thereby improving the service life of the lock core.

[0037] The working principle of the lock core is supplemented by using the component name:

[0038] After receiving the key instruction, the metal probe sends an electrical signal to the PCB board, the PCB board is built-in control program, according to the received instruction signal control motor rotation, motor rotation, through the motor shaft drives the shifter block rotation, the shifter block is sleeved with torsion spring, torsion spring produces torque, the shifter block rotation angle is controlled by the limiting clamp spring, when the shifter block rotates, the concave surface on the outer periphery of the shifter block pushes the steel balls on both sides, the steel balls on both sides are ejected, the ejected steel balls are pushed into the steel ball square groove of the universal linkage block, and the function of driving the universal linkage block by the lock core is realized. When the key is pulled out, the torque of the torsion spring drives the shifter block to automatically reset, the motor resets, the steel balls return to the lock core, and the lock core and the universal linkage block are not combined, so the linkage function is lost.

[0039] The utility model adopts the split design, the lock core whole assembly and the universal linkage block two components carry on the split, and the maintenance is convenient, the integral type lock core design if is broken, can't repair, the utility model can carry out the disassembly replacement repair in time.

[0040] The preferred embodiments of the utility model are described in detail above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

[0041] Many other changes and modifications can be made to the application without departing from the spirit and scope of the application. It is to be understood that the application is not limited to the specific embodiments described herein, which are presented for illustrative purposes only. The scope of the application is limited only by the claims appended hereto.

Claims

1. A free-spinning lock cylinder, characterized in that: The utility model provides a lock cylinder head (1), main part shell (2) and general linkage block (5), lock cylinder head (1) is close to the one end of main part shell (2) and enters the one end of main part shell (2), lock cylinder head (1) is away from the one end of main part shell (2) and is set up lock cylinder hole (101), the other end of main part shell (2) is sleeved with general linkage block (5), the one end of main part shell (2) sleeve general linkage block (5) is equipped with radial through -hole (201) in the radial, two steel balls (6) are symmetrically embedded in radial through -hole (201) and two steel balls (6) can be respectively connected in the two sides of the inner chamber of general linkage block (5) through radial through -hole (201), the inner chamber of general linkage block (5) is evenly set up four steel ball square grooves (501) matched with steel ball (6) along the circumference, steel ball square groove (501) is used for connecting steel ball (6), general linkage block (5) is the snap ring with four steel ball square grooves (501), the inside of main part shell (2) is also equipped with motor (3), the motor shaft of motor (3) top is sleeved with a block (7), the outer periphery of a block (7) is symmetrically provided with two concave surfaces (701) matched with steel ball (6), one side of steel ball (6) abuts on the concave surface (701) of a block (7), the opposite side of steel ball (6) one side can be connected on steel ball square groove (501) through radial through -hole (201), under the drive of motor (3), a block (7) will steel ball (6) top into the steel ball square groove (501) of general linkage block (5), a block (7) is sleeved with torsion spring (4), and torsion spring (4) is used to drive a block (7) reset, the inside of main part shell (2) is also equipped with PCB board (10), and motor (3) bottom is connected with PCB board (10), and PCB board (10) is electrically connected with motor (3), and PCB board (10) bottom is connected with metal probe (12), the top part of metal probe (12) is partly in the lock cylinder hole (101) of lock cylinder head (1), and the insulating sleeve (11) is arranged between metal probe (12) and lock cylinder hole (101), the top of main part shell (2) is also equipped with the column (202) of integral molding with it, and the bottom of column (202) is connected with the top of a block (7) and is fixed.

2. A turn-and-bump cylinder according to claim 1, characterized in that: The utility model discloses a general linkage block (5) is away from the one end of main part shell (2) and is equipped with two lugs (502) symmetrically.

3. A turn-and-burn lock cylinder according to claim 1, wherein: The bottom of torsion spring (4) is connected with limiting snap spring (9), the bottom of limiting snap spring (9) is connected with motor (3), and the both sides of limiting snap spring (9) are clamped between the inner wall of main part shell (2) and motor (3), and limiting snap spring (9) is used for limiting the rotation angle of a block (7).

4. The turn-and-bump cylinder according to claim 1, wherein: The lock cylinder head (1) is fixedly connected with the main part shell (2) in a riveting mode.

5. A turn-and-burn cylinder according to claim 1, characterized in that: The main part shell (2) comprises a short cylindrical barrel (203) and a long cylindrical barrel (204) which are integrally formed and mutually penetrated from top to bottom, and the shape of the motor (3) is adapted to the shape of the upper part of the inner cavity of the long cylindrical barrel (204).

6. A non-turning lock cylinder according to any one of claims 1 to 5, characterized in that: The motor (3) is a hollow cup motor, the metal probe (12) is a single-contact probe, and the steel ball (6) is made of stainless steel.

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