阅读说明：本技术 钥匙、锁芯和电磁锁 (Key, lock cylinder and electromagnetic lock ) 是由 苗新威 于 2019-11-04 设计创作，主要内容包括：本发明公开了一种钥匙、锁芯和电磁锁,所述钥匙包括有开锁部和握持部,所述开锁部设有插槽,该插槽的两侧设有凹面,该凹面设有斜面部；所述锁芯包括有把手、转筒、上弹珠、下弹珠、弹簧和舌片,所述下弹珠底部设有与钥匙的斜面部相适配的圆锥斜面。通过在锁芯的下弹珠设置圆锥斜面,在钥匙的开锁部设置凹面,该凹面设有斜面部；利用圆锥斜面与斜面部的配合限定高度以转动转筒进行开锁或关锁；利用圆锥斜面和斜面部进行配合来确定位置,斜面部结构的不稳定性,使得钥匙和下弹珠的特定结构很难被识别,被探测解锁的几率大大降低,加强了安全性,事实上,不法分子很难探测出钥匙凹面的深度及斜面部形状进行仿造钥匙,从而提高弹子锁的防盗性能。(The invention discloses a key, a lock cylinder and an electromagnetic lock, wherein the key comprises an unlocking part and a holding part, the unlocking part is provided with an inserting groove, two sides of the inserting groove are provided with concave surfaces, and the concave surfaces are provided with inclined surface parts; the lock core comprises a handle, a rotary drum, an upper marble, a lower marble, a spring and a tongue piece, wherein the bottom of the lower marble is provided with a conical inclined plane matched with the inclined plane of the key. The lower marble of the lock core is provided with a conical inclined plane, the unlocking part of the key is provided with a concave surface, and the concave surface is provided with an inclined plane part; the height is limited by the matching of the conical inclined plane and the inclined plane part so as to rotate the rotary drum to unlock or lock; the positions are determined by matching the conical inclined plane and the inclined plane part, the structure of the inclined plane part is unstable, so that the specific structures of the key and the lower marble are difficult to identify, the probability of unlocking is greatly reduced by detection, the safety is enhanced, and in fact, lawless persons are difficult to detect the depth of the concave surface of the key and the shape of the inclined plane part to imitate the key, so that the anti-theft performance of the spring lock is improved.)

1. A key comprises an unlocking part (10) and a holding part (20); the method is characterized in that: the holding part (20) is arranged at the tail end of the unlocking part (10), and the surface of the unlocking part (10) is provided with a slot (11) which runs through the head end of the unlocking part (10); concave surfaces (12) used for limiting marbles are concavely arranged on two sides of the slot (11), and the concave surfaces (12) are provided with inclined surface parts.

2. The key according to claim 1, wherein: the unlocking part (10) is arranged in a rectangular structure, and the slot is arranged on the top surface of the unlocking part.

3. The key according to claim 1 or 2, wherein: first inserting strips (13) are arranged on two sides of the unlocking part (10), and second inserting strips (14) are arranged at the bottom of the unlocking part.

4. The key according to claim 1, wherein: a guide inclined plane (15) is arranged between the head end of the unlocking part (10) and the slot (11).

5. A lock core is characterized in that: comprises a handle (30), a rotary drum (40), an upper marble (50), a lower marble (60), a spring (70) and a tongue piece (80); the handle (30) being provided with a shaft hole (31) and a first receiving hole (32) passing through the shaft hole (31) and the handle (30), the drum (40) being provided with a keyhole (41) for inserting a key according to any one of claims 1 to 4 and a second receiving hole (42) passing through the keyhole (41) and the drum (40); the upper marble (50) is arranged in the first accommodating hole (32), and the lower marble (60) is arranged in the second accommodating hole (42); the upper marble (50) can selectively extend into the second accommodating hole (42) and abut against the lower marble (60) or retract, and the lower marble (60) can selectively extend into the keyhole (41) or retract; one end of the spring (70) is abutted against the first accommodating hole (32), and the other end of the spring is abutted against the upper marble (50); the bottom of the lower marble (60) is provided with a conical inclined surface (61) matched with the inclined surface of the key, the key is inserted into the key hole (41) to limit the conical inclined surface (61) to the inclined surface part, under the action, the marble (60) retracts into the second accommodating hole (42), and the upper marble (50) retracts into the first accommodating hole (42) to rotate the rotary drum (40); the tongue (80) is mounted to the drum (40) for rotation with the drum (40).

6. The lock cylinder according to claim 5, characterized in that: after the upper marble (50) retracts into the first accommodating hole (32), the bottom surface of the upper marble (50) is tangent to the side surface of the shaft hole (31); after the lower marble (60) retracts into the second accommodating hole (42), the top surface of the lower marble (60) is tangent to the side surface of the rotary drum (40).

7. The lock cylinder according to claim 5, characterized in that: the drum (40) is provided with a torsion spring (43).

8. The lock cylinder according to claim 5, characterized in that: an inserting strip (411) matched with the slot (11) is arranged in the key hole (41), and the inserting strip (411) is positioned below the second accommodating hole (42); the insert (411) is provided with a window (4111), and the window (4111) is arranged below the second accommodating hole (42).

9. An electromagnetic lock, characterized by: comprising a key according to any one of claims 1 to 4, a lock cylinder according to any one of claims 5 to 8 and an electromagnetic lock body (90);

the electromagnetic lock body (90) comprises a lock box (91), an electromagnetic valve (92), a lock shell (93) and a PCB (94), wherein the electromagnetic valve (92) and the PCB (94) are fixedly arranged on the lock box (91); the lock shell (93) is rotatably arranged on the lock box (91), the handle (30) is fixedly arranged on the lock shell (93), and the tongue piece (80) is exposed out of the lock box (91);

the lock case (93) is provided with a limited part (931), and the PCB (94) is connected with the electromagnetic valve (92) to control the valve rod of the electromagnetic valve (92) to extend to the limited part (931) or retract.

10. An electromagnetic lock according to claim 9, wherein: the PCB board (94) has a pressing panel (941) for issuing a command, and the command panel (941) is exposed to the lock case (91).

Technical Field

The invention relates to the lock field technology, in particular to a key, a lock core and an electromagnetic lock.

Background

Cylinder locks are currently common lock cylinders having a plurality of cylindrical parts of different heights, called bolts, also called tumblers or balls, inside the cylinder. The working principle is that the lock cylinder is locked by the lock springs, and after a correct key is inserted into the lock, the lock springs are pushed to the same height, so that the lock cylinder is released, and the lock can be opened after the lock cylinder rotates.

Generally, the position of a cylinder lock is determined by the bottom surface of a marble and the bottom of a concave surface of a key, and when the height of the marble is correctly matched with the bottom of the concave surface of the key, a lock core can be rotated to unlock or close the lock; because the marble is matched with the bottom surface of the key concave position by adopting the bottom surface, the matching mode is simpler and is easy to identify. However, the lock cylinder of this structure has a problem that a lawbreaker can easily steal the height of the concave surface of the key, thereby imitating the key; the lock core is not safe in actual use and has low anti-theft performance.

Disclosure of Invention

In view of the above, the present invention provides a key, a lock cylinder and an electromagnetic lock, which are reasonable in structural arrangement and effectively solve the problem of low anti-theft performance of a pin tumbler lock.

In order to achieve the purpose, the invention adopts the following technical scheme:

a key comprises an unlocking part and a holding part; the holding part is arranged at the tail end of the unlocking part, and the surface of the unlocking part is provided with a slot which passes through the head end of the unlocking part; concave surfaces for limiting marbles are concavely arranged on two sides of the slot, and each concave surface is provided with an inclined plane part.

As a preferred embodiment: the unlocking part is arranged in a rectangular structure, and the slot is arranged on the top surface of the unlocking part.

As a preferred embodiment: the two sides of the unlocking part are provided with first inserting strips, and the bottom of the unlocking part is provided with second inserting strips.

As a preferred embodiment: a guide inclined plane is arranged between the head end of the unlocking part and the slot.

A lock core comprises a handle, a rotary drum, an upper marble, a lower marble, a spring and a tongue piece; the handle is provided with a shaft hole and a first accommodating hole which penetrates through the shaft hole and the handle, and the rotary drum is provided with a key hole for inserting the key and a second accommodating hole which penetrates through the key hole and the rotary drum; the upper marble is arranged in the first accommodating hole, and the lower marble is arranged in the second accommodating hole; the upper marble can selectively extend into the second accommodating hole to abut against the lower marble or retract, and the lower marble can selectively extend into the key hole or retract; one end of the spring abuts against the first accommodating hole, and the other end of the spring abuts against the upper marble; the bottom of the lower marble is provided with a conical inclined surface matched with the inclined surface part of the key, the key is inserted into the key hole to enable the conical inclined surface to be limited by the inclined surface part, and under the action, the lower marble retracts into the second accommodating hole, and the upper marble retracts into the first accommodating hole to rotate the rotary drum; the tongue piece is arranged on the rotary drum and rotates along with the rotary drum.

As a preferred embodiment: after the upper marble retracts into the first accommodating hole, the bottom surface of the upper marble is tangent to the side surface of the shaft hole; after the lower marble retracts into the second accommodating hole, the top surface of the lower marble is tangent to the side surface of the rotary drum.

As a preferred embodiment: the drum is provided with a torsion spring.

As a preferred embodiment: the inside of the key hole is provided with an inserting strip matched with the slot, and the inserting strip is arranged below the second accommodating hole; the cutting is provided with a window, and the window is arranged below the second accommodating hole.

An electromagnetic lock comprises a key, a lock cylinder and an electromagnetic lock body;

the electromagnetic lock body comprises a lock box, an electromagnetic valve, a lock shell and a PCB, wherein the electromagnetic valve and the PCB are fixedly arranged on the lock box; the lock shell is rotatably arranged on the lock box, the handle is fixedly arranged on the lock shell, and the tongue piece is exposed out of the lock box;

the lock shell is provided with a limited part, and the PCB is connected with the electromagnetic valve to control the valve rod of the electromagnetic valve to extend to the limited part or retract.

As a preferred embodiment: the PCB board is provided with a pressing panel which gives out instructions, and the instruction panel is exposed out of the lock box.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that: the lower marble of the lock core is provided with a conical inclined plane, the unlocking part of the key is provided with a concave surface, and the concave surface is provided with an inclined plane part; the height is limited by the matching of the conical inclined plane and the inclined plane part so as to rotate the rotary drum to unlock or lock; compared with the traditional mode that the bottom surfaces of the marbles are matched with the bottom of the concave surface of the key to limit the height, the positions are determined by matching the conical inclined plane with the inclined plane part, the structure of the inclined plane part is unstable, so that the specific structures of the key and the lower marble are difficult to identify, the probability of unlocking by detection is greatly reduced, the safety is enhanced, and in fact, a lawbreaker cannot easily detect the depth of the concave surface of the key and the shape of the inclined plane part to imitate the key, so that the anti-theft performance of the spring lock is improved;

and, the lock core structure is ingenious reasonable, has guaranteed that the key is smooth and easy when unblanking, can not appear the jamming phenomenon, and simultaneously, after the key rotates to unblank, the rotary drum of lock core can automatic re-setting, and when unblanking at every turn, its rotary drum orientation can both keep unanimous, and the person of facilitating the use habitually inserts the key and unblanks, and the practicality is strong.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of an electromagnetic lock according to a preferred embodiment of the present invention.

FIG. 2 is another angular schematic view of the electromagnetic lock of FIG. 1.

FIG. 3 is a schematic diagram of an electromagnetic lock body according to a preferred embodiment of the present invention.

FIG. 4 is an exploded view of the body of the electromagnetic lock of FIG. 3.

FIG. 5 is another exploded perspective view of the electromagnetic lock body of FIG. 3.

Fig. 6 is an exploded view of a lock cylinder of a preferred embodiment of the present invention.

Fig. 7 is a schematic structural view of a key according to a preferred embodiment of the present invention.

Fig. 8 is a cross-sectional view of a lock cylinder of a preferred embodiment of the present invention without a ball installed.

Fig. 9 is a cross-sectional view of a lock cylinder with a ball mounted therein in accordance with a preferred embodiment of the present invention.

Fig. 10 is a schematic view showing a state where a key is inserted into a key cylinder according to a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. unlocking part 11 and slot

12. Concave surface 13, first cutting

14. Second cutting 15, guide slope

20. Grip portion 30, handle

31. Shaft hole 32 and first accommodating hole

40. Tumbler 41, keyhole

411. Insert 4111 and window

42. Second accommodation hole 43, torsion spring

50. Upper marble 60, lower marble

61. Conical bevel 70, spring

80. Tongue piece 90 and electromagnetic lock body

91. Lock box 92 and solenoid valve

93. Lock shell 931, restricted portion

94. PCB plate 941, press panel.

Detailed Description

Referring to fig. 1 to 10, specific structures of a preferred embodiment of the present invention are shown, which are a key, a lock cylinder and an electromagnetic lock, and the problem that the conventional pin tumbler lock has low anti-theft performance is solved by improving the structures of the key and the lock cylinder.

(see fig. 7) the key comprises an unlocking part 10 and a holding part 20; in the embodiment of the present application, the holding portion 20 is disposed at the end of the unlocking portion 10, and the surface of the unlocking portion 10 is provided with a slot 11 that runs through the head end of the unlocking portion 10; concave surfaces 12 for limiting marbles are concavely arranged on two sides of the slot 11, and the concave surfaces 12 are provided with inclined plane parts. Specifically, the unlocking portion 10 is of a rectangular structure, and the slot is formed on the top surface of the unlocking portion. The two sides of the unlocking part 10 are provided with first inserting strips 13, and the bottom of the unlocking part is provided with second inserting strips 14; this first cutting 13 and second cutting 14 constitute the dysmorphism structure, can play the function of preventing staying on the one hand, and on the other hand can play the guide effect. And a guide inclined plane 15 is arranged between the head end of the unlocking part 10 and the slot 11, and the matching between the unlocking part 10 and the lower marble 60 can be better and the process of inserting the key into the rotary drum 40 is smooth through the structure of the guide inclined plane 15.

(see fig. 6, 8-10) the key cylinder comprises a handle 30, a barrel 40, an upper marble 50, a lower marble 60, a spring 70 and a tongue 80. in this embodiment, the handle 30 is provided with a shaft hole 31 and a first receiving hole 32 penetrating the shaft hole 31 and the handle 30. the barrel 40 is provided with a key hole 41 for inserting a key and a second receiving hole 42 penetrating the key hole 41 and the barrel 40. Specifically, the upper ball 50 is disposed in the first receiving hole 32, and the lower ball 60 is disposed in the second receiving hole 42; the upper marble 50 can selectively extend into the second accommodating hole 42 and abut against the lower marble 60 or retract, and the lower marble 60 can selectively extend into the keyhole 41 or retract; one end of the spring 70 abuts against the first accommodating hole 32, and the other end abuts against the upper marble 50; the bottom of the lower marble 60 is provided with a conical inclined surface 61 matched with the inclined surface of the concave surface 12 of the key, the key is inserted into the key hole 41 to limit the conical inclined surface 61 to the inclined surface of the concave surface 12, under the action, the marble 60 retracts into the second accommodating hole 42, and the upper marble 50 retracts into the first accommodating hole 42 to rotate the rotary drum 40; the tabs 80 are mounted to the drum 40 for rotation with the drum 40.

After the upper marble 50 retracts into the first accommodating hole 32, the bottom surface of the upper marble 50 is tangent to the side surface of the shaft hole 31; after the lower ball 60 is retracted into the second receiving hole 42, the top surface of the lower ball 60 is tangent to the side surface of the drum 40. The drum 40 is provided with a torsion spring 43, and after the unlocking portion 10 is inserted into the drum 40 and the drum 40 is rotated to unlock the lock, the torsion spring 43 is used to automatically reset the drum 40 by releasing the force applied to the key.

For example, when the key is not inserted, the lower ball extends into the keyhole 41; at this time, the upper marble 50 extends into the second receiving hole 41 and abuts against the lower marble 60; the upper ball 50 itself is captured between the drum 40 and the handle 30 to lock the rotation of the drum 40. After the key is inserted, the lock-opening part 10 of the key moves the ball 60 upward and retracts into the second receiving hole 42, and the upper ball 50 retracts into the first receiving hole 32 along with the movement of the lower ball, and the bottom surface of the upper ball 50 is tangent to the side surface of the shaft hole 31, and the top surface of the ball 60 is tangent to the side surface of the drum 40; turning the key rotates the tumbler 40, causing the tumbler 40 to rotate, which has the effect of unlocking the handle 30. The lock cylinder is arranged in a corresponding cabinet door, then the lock cylinder can be selectively limited in the cabinet body by using the tongue piece 80, after the rotary drum 40 is rotated to unlock, the tongue piece can rotate along with the rotary drum 40 without being limited in the cabinet body, and at the moment, the cabinet door can be opened.

The inside of the keyhole 41 is provided with an inserting strip 411 matched with the slot 11, and the inserting strip 411 is positioned below the second accommodating hole 42; the insert 411 is provided with a window 4111, and the window 4111 is disposed below the second accommodation hole 42; when the key is not inserted into the barrel 40, the bottom surface of the lower ball 60 abuts against the window 4111.

(see fig. 1 to 5) the electromagnetic lock includes the key, the lock cylinder and an electromagnetic lock body 90; in the embodiment of the present application, the electromagnetic lock body 90 includes a lock box 91, an electromagnetic valve 92, a lock case 93 and a PCB 94, and the electromagnetic valve 92 and the PCB 94 are fixedly mounted on the lock box 91; the lock case 93 is rotatably mounted on the lock case 91, the handle 30 is fixedly mounted on the lock case 93, and the tongue piece 80 is exposed out of the lock case 91; the lock case 93 is provided with a restricted portion 931, and the PCB board 94 is connected to the solenoid valve 92 to control the stem of the solenoid valve 92 to extend to or retract from the restricted portion 931. Specifically, the PCB board 94 has a pressing panel 941 for issuing a command, and the command panel 941 is exposed to the lock case 91; the pressing panel 941 is an acrylic panel with numeric symbols, and by setting any preset six digits, the pressing of the preset digits can start the solenoid valve to operate to retract the valve rod, and at the moment, the handle is rotated to unlock the lock.

The design of the invention is characterized in that: the lower marble 60 of the lock core is provided with a conical inclined surface 61, the unlocking part 10 of the key is provided with a concave surface 12, and the concave surface 12 is provided with an inclined surface part; the height is limited by the cooperation of the conical inclined surface 61 and the inclined surface part so as to rotate the rotary drum 40 to unlock or lock; compared with the traditional mode that the bottom surfaces of the marbles are matched with the bottom of the concave surface of the key to limit the height, the position is determined by matching the conical inclined surface 61 with the inclined surface part, the structure of the inclined surface part is unstable, so that the specific structures of the key and the lower marble 60 are difficult to identify, the probability of unlocking by detection is greatly reduced, the safety is enhanced, and in fact, a lawbreaker is difficult to detect the depth of the concave surface of the key and the shape of the inclined surface part to imitate the key, so that the anti-theft performance of the cylinder lock is improved;

and, the lock core structure is ingenious reasonable, has guaranteed that the key is smooth and easy when unblanking, can not appear the jamming phenomenon, and simultaneously, after the key rotates to unblank, the rotary drum 40 of lock core can automatic re-setting, and when unblanking at every turn, its rotary drum 40 orientation can both keep unanimous, and the person of facilitating the use habitually inserts the key and unblanks, and the practicality is strong.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.