CN217461773U

CN217461773U - Electromagnetic lock mechanism

Info

Publication number: CN217461773U
Application number: CN202220538546.2U
Authority: CN
Inventors: 吴玉河
Original assignee: Diyi Shanghai Intelligent Technology Co ltd
Current assignee: Diyi Shanghai Intelligent Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-09-20
Anticipated expiration: 2032-03-10

Abstract

The utility model provides an electromagnetic lock mechanism, which relates to the technical field of lock, comprising a lock tongue groove arranged on one side of a lock shell, an avoiding groove arranged on the other side of the lock shell, a lock core and a shifting block respectively arranged in the lock shell in a rotating way, wherein the lock core is clamped with the shifting block, and one end of a lock tongue extends into the lock tongue groove and is sleeved on the lock core; the floating platform is inserted into the electromagnetic coil, the shifting rod penetrates through the top of the floating platform, one end of the shifting rod is fixedly connected with the shifting block, and the other end of the shifting rod extends out of the lock shell through the avoiding groove. This application is under the condition that breaks down, and manual switch lock has been realized to the accessible driving lever, has promoted the reliability.

Description

Electromagnetic lock mechanism

Technical Field

The utility model relates to a technical field of tool to lock especially relates to an electromagnetic lock mechanism.

Background

The design of intelligence cabinet electromagnetic lock is the same with the electro-magnet, utilizes the principle of electromagnetism, and when the electric current passed through the silicon steel sheet, the electromagnetic lock can produce powerful suction and tightly hold the effect that adsorbs the flitch and reach the lock door. The electromagnetic lock can generate magnetic force only with small current, and the electromagnetic lock can open the door after receiving a control instruction of a control module for controlling the power supply of the electromagnetic lock.

At present, most electromagnetic locks cannot be unlocked under the condition of power failure.

Therefore, an electromagnetic lock mechanism that can be manually unlocked in the event of a power failure has been proposed.

SUMMERY OF THE UTILITY MODEL

This specification provides an electromagnetic lock mechanism, and under the condition that breaks down, the manual switch lock is realized to the accessible driving lever, has promoted the reliability.

The application provides an electromagnetic lock mechanism adopts following technical scheme:

the lock comprises a lock shell, a bolt, a lock core, a shifting block, an electromagnetic coil, a floating platform and a shifting lever, wherein one side of the lock shell is provided with a lock tongue groove, the other side of the lock shell is provided with an avoidance groove, the lock core and the shifting block are respectively and rotatably arranged in the lock shell, the lock core is clamped with the shifting block, and one end of the bolt extends into the lock tongue groove and is sleeved on the lock core; the floating platform is inserted into the electromagnetic coil, the shifting rod penetrates through the top of the floating platform, one end of the shifting rod is fixedly connected with the shifting block, and the other end of the shifting rod extends out of the lock shell through the avoiding groove.

Optionally, a handle portion is arranged at one end, extending out of the lock shell, of the deflector rod.

Optionally, the lock core includes U-shaped spare, lock core rotation axis, torsional spring, the lock core rotation axis connect perpendicularly in the lock shell, the lock core rotation axis is worn to locate the bottom of U-shaped spare, the expansion end of torsional spring supports and presses one side of lock shell, the torsional spring to the lock core rotation axis extend and twine in on the lock core rotation axis, the stiff end of torsional spring is fixed the U-shaped spare is kept away from one side of spring bolt, the U-shaped spare with the shifting block.

Optionally, the U-shaped spare includes integrated into one piece's block portion, the portion is established to the cover, the height that the portion was established to the cover is less than the height of block portion, the one end of spring bolt stretches into lock tongue groove and cover are located in the portion is established to the cover, block portion is kept away from one side that the portion was established to the cover has seted up the spacing groove, the stiff end of torsional spring is fixed the U-shaped spare is kept away from one side and the joint of spring bolt are in the spacing inslot, block portion with the shifting block.

Optionally, the shifting block comprises a hook-shaped piece and a shifting block rotating shaft, the shifting block rotating shaft is vertically connected in the lock shell, the shifting block rotating shaft penetrates through the bottom of the hook-shaped piece, and the clamping portion is clamped with the hook-shaped piece.

Optionally, the hook-shaped piece comprises a hook part and a hook body part which are integrally formed, the clamping part is clamped with the hook part, and one end of the hook body part, which is far away from the hook part, is fixedly connected with the shift lever.

Optionally, the lock shell is detachably connected with a touch switch, and the outer side of the bottom of the U-shaped part is abutted to a contact piece of the touch switch.

Optionally, a side surface of the lock case is provided with a wire slot hole.

Optionally, the lock case is fixedly connected with the intelligent cabinet through bolts.

Optionally, the lock housing comprises a plastic lock housing.

The utility model has the advantages that:

1. under the condition that a power supply fails, the shifting block and the lock cylinder can be driven to move through the shifting lever outside the lock shell, so that the lock tongue is pushed to move, and the purpose of opening and closing the lock is achieved;

2. the handle part is convenient for a manager to drag the deflector rod outside the lock shell, and simultaneously, the handle part has a limiting effect on the deflector rod;

3. the state of the electromagnetic lock can be transmitted to an external control system through the state of the touch switch;

4. the line slot hole is convenient for summarizing the line, and the possibility of disorder of the line is reduced.

Drawings

Fig. 1 is a schematic diagram of a lock-off state of the electromagnetic lock mechanism in the embodiment of the present invention;

FIG. 2 is a schematic view of an unlocked state of the electromagnetic lock mechanism in the embodiment of the present invention;

fig. 3 is a schematic view of the cooperation between the lock tongue 2 and the lock core 3 of the electromagnetic lock mechanism in the embodiment of the present invention;

fig. 4 is a schematic view of a lock cylinder 3 in the electromagnetic lock mechanism according to the embodiment of the present invention;

fig. 5 is the schematic diagram of shifting block 4 in the electromagnetic lock mechanism in the embodiment of the present invention.

Reference numerals: 1. a lock case; 11. a lock tongue groove; 12. an avoidance groove; 2. a latch bolt; 3. a lock cylinder; 31. a U-shaped piece; 311. a fastening part; 312. a housing portion; 32. a lock cylinder rotating shaft; 33. a torsion spring; 34. a limiting groove; 4. shifting blocks; 41. a hook member; 411. a hook portion; 412. a hook body part; 42. a shifting block rotating shaft; 5. an electromagnetic coil; 6. a floating platform; 7. a deflector rod; 8. a handle portion; 9. a touch switch; 91. a contact piece; 10. a wire slot hole.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an electromagnetic lock mechanism.

Referring to fig. 1-3, including lock shell 1, spring bolt 2, lock core 3, shifting block 4, solenoid 5, floating platform 6 and driving lever 7, lock shell 1 passes through bolt fixed connection intelligence cabinet, and lock shell 1 includes plastics lock shell 1. One side of the lock shell 1 is provided with a lock tongue groove 11, the other side of the lock shell 1 is provided with an avoidance groove 12, the lock core 3 and the shifting block 4 are respectively and rotatably arranged in the lock shell 1, the lock core 3 is clamped with the shifting block 4, and one end of the lock tongue 2 extends into the lock tongue groove 11 and is sleeved on the lock core 3; the floating platform 6 is inserted in the electromagnetic coil 5, the deflector rod 7 is arranged at the top of the floating platform 6 in a penetrating way, one end of the deflector rod 7 is fixedly connected with the deflector block 4, and the other end of the deflector rod 7 extends out of the lock shell 1 through the avoiding groove 12. Under the condition that the power supply fails, a manager opens the management control cabinet, and can drive the shifting block 4 and the lock cylinder 3 to move through the shifting lever 7 outside the lock shell 1, so that the lock tongue 2 is pushed to move, and the purpose of opening and closing the lock is achieved.

The handle part 8 is arranged at one end of the deflector rod 7 extending out of the lock shell 1, the handle part 8 is convenient for a manager to pull the deflector rod 7 outside the lock shell 1, and meanwhile, the deflector rod 7 is limited.

Referring to fig. 4, the lock core 3 includes a U-shaped member 31, a lock core rotation shaft 32, and a torsion spring 33, the lock core rotation shaft 32 is vertically connected in the lock case 1, the lock core rotation shaft 32 penetrates the bottom of the U-shaped member 31, the movable end of the torsion spring 33 abuts against one side of the lock case 1, the torsion spring 33 extends toward the lock core rotation shaft 32 and is wound on the lock core rotation shaft 32, the fixed end of the torsion spring 33 is fixed on one side of the U-shaped member 31 away from the bolt 2, and the U-shaped member 31 is engaged with the shifting block 4.

The U-shaped member 31 includes an integrally formed engaging portion 311 and a sleeve portion 312, the sleeve portion 312 is shorter than the engaging portion 311, one end of the lock tongue 2 extends into the lock tongue groove 11 and is sleeved in the sleeve portion 312, a limit groove 34 is formed in one side of the engaging portion 311 away from the sleeve portion 312, a fixed end of the torsion spring 33 is fixed on one side of the U-shaped member 31 away from the lock tongue 2 and is clamped in the limit groove 34, and the engaging portion 311 is clamped with the shifting block 4.

Referring to fig. 5, the dial 4 includes a hook 41 and a dial rotating shaft 42, the dial rotating shaft 42 is vertically connected to the inside of the lock case 1, the dial rotating shaft 42 is inserted into the bottom of the hook 41, and the engaging portion 311 is engaged with the hook 41. The hook 41 includes a hook portion 411 and a hook body portion 412 which are integrally formed, the engaging portion 311 is engaged with the hook portion 411, and an end of the hook body portion 412 away from the hook portion 411 is fixedly connected with the shift lever 7.

The lock shell 1 is detachably connected with a touch switch 9, the outer side of the bottom of the U-shaped part 31 is abutted to a contact piece 91 of the touch switch 9, and the state of the electromagnetic lock can be transmitted to an external control system through the state of the touch switch 9.

A line slot hole 10 is formed in one side face of the lock shell 1, the line slot hole 10 facilitates circuit arrangement, and the possibility of disorder of lines is reduced.

The utility model discloses an implement the principle:

the normal unlocking process of the power supply: after the electromagnetic coil 5 is electrified, a certain electromagnetic field can be generated due to the electromagnetic effect, the electromagnetic coil 5 sucks the floating platform 6, the shift lever 7 rotates obliquely along with the top of the floating platform 6 due to the penetration of the shift lever 7, and the shift lever 7 is fixedly connected with the shift block 4, the shift block 4 rotates anticlockwise with the shift block rotating shaft 42 as an axis along with the oblique rotation of the shift lever 7, the distance between the clamping part 311 and the hook part 411 is increased, the clamping part 311 is separated from the clamping state with the hook part 411, the lock cylinder 3 rotates clockwise with the lock cylinder rotating shaft 32 as the axis under the driving of the acting force of the torsion spring 33, and the lock bolt 2 pops out. When the key cylinder 3 rotates clockwise with the key cylinder rotating shaft 32 as the axis, one side of the clamping portion 311 away from the sleeve portion 312 presses the contact piece 91 of the touch switch 9, the touch switch 9 is changed from a normally open state to a normally closed state, and the touch switch 9 transmits an unlocking signal to an external control system.

And (3) normally shutting off the power supply: the lock tongue 2 is pushed into the sleeving groove, when the lock core 3 rotates anticlockwise by taking the lock core rotating shaft 32 as an axis, the clamping part 311 presses the contact piece 91 of the touch switch 9, the touch switch 9 transmits a lock closing signal to an external control system, the electromagnetic coil 5 is powered off, the floating platform 6 recovers a non-suction state, the shift lever 7 rotates obliquely due to the top of the floating platform 6 penetrating through the shift lever 7, the shift lever 7 is fixedly connected with the shift block 4, the shift block 4 rotates clockwise by taking the shift block rotating shaft 42 as the axis along with the inclination of the shift lever 7, and the distance between the hook part 411 and the clamping part 311 is reduced until the hook part 411 is clamped with the clamping part 311.

And (3) abnormal locking process of the power supply: drag driving lever 7 and push down floating platform 6, driving lever 7 rotates because of wearing to locate the top of floating platform 6 and slope thereupon, again because of driving lever 7 and shifting block 4 fixed connection, shifting block 4 rotates along with the slope of driving lever 7 and uses shifting block rotation axis 42 as the axle center anticlockwise rotation, hook portion 411 and the increase of block portion 311 interval, block portion 311 breaks away from the block state with hook portion 411, lock core 3 uses lock core rotation axis 32 to rotate clockwise as the axle center under the drive of the effort of torsional spring 33, spring bolt 2 pops out. When the key cylinder 3 rotates clockwise with the key cylinder rotation shaft 32 as an axis, one side of the engaging portion 311 away from the sleeve portion 312 presses the contact piece 91 of the touch switch 9, and the touch switch 9 is changed from a normally open state to a normally closed state.

And (3) abnormal locking process of the power supply: when the latch 2 is pushed into the sleeve groove and the key cylinder 3 rotates counterclockwise around the key cylinder rotation shaft 32, the engaging portion 311 presses the contact piece 91 of the touch switch 9. Meanwhile, due to power failure, the floating platform 6 recovers to a non-suction state, the shift lever 7 rotates obliquely due to the fact that the shift lever 7 penetrates through the top of the floating platform 6, the shift lever 7 is fixedly connected with the shifting block 4, the shifting block 4 rotates clockwise with the shifting block rotating shaft 42 as an axis along with the oblique rotation of the shift lever 7, and the distance between the hook portion 411 and the clamping portion 311 is reduced until the hook portion 411 is clamped with the clamping portion 311.

The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to limit the scope of the present invention in terms of implementation, which is not limited by the present embodiment, i.e. all equivalent changes or modifications made in accordance with the spirit disclosed by the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides an electromagnetic lock mechanism, includes lock shell (1), spring bolt (2), lock core, shifting block, solenoid (5), floating platform (6) and driving lever (7), its characterized in that: a lock tongue groove (11) is formed in one side of the lock shell (1), an avoiding groove (12) is formed in the other side of the lock shell (1), the lock core (3) and the shifting block (4) are respectively and rotatably arranged in the lock shell (1), the lock core (3) is clamped with the shifting block (4), and one end of the lock tongue (2) extends into the lock tongue groove (11) and is sleeved on the lock core (3); the electromagnetic lock is characterized in that the floating platform (6) is inserted into the electromagnetic coil (5), the shifting rod (7) is arranged at the top of the floating platform (6) in a penetrating mode, one end of the shifting rod (7) is fixedly connected with the shifting block (4), and the other end of the shifting rod (7) extends out of the lock shell (1) through the avoiding groove (12).

2. An electromagnetic lock mechanism as claimed in claim 1, wherein: and a handle part (8) is arranged at one end of the deflector rod (7) extending out of the lock shell (1).

3. An electromagnetic lock mechanism as claimed in claim 1, wherein: lock core (3) include U-shaped piece (31), lock core rotation axis (32), torsional spring (33), lock core rotation axis (32) connect perpendicularly in lock shell (1), lock core rotation axis (32) wear to locate the bottom of U-shaped piece (31), the expansion end of torsional spring (33) supports and presses one side of lock shell (1), torsional spring (33) to lock core rotation axis (32) extend and twine in on lock core rotation axis (32), the stiff end of torsional spring (33) is fixed U-shaped piece (31) are kept away from one side of spring bolt (2), U-shaped piece (31) with shifting block (4) block.

4. The electromagnetic lock mechanism of claim 3, wherein: u-shaped spare (31) include integrated into one piece's block portion (311), overlap and establish portion (312), the height that portion (312) was established to the cover is less than the height of block portion (311), the one end of spring bolt (2) is stretched into lock tongue groove (11) and cover are located in the portion (312) is established to the cover, block portion (311) are kept away from spacing groove (34) have been seted up to one side of establishing portion (312) of cover, the stiff end of torsional spring (33) is fixed U-shaped spare (31) are kept away from one side and the joint of spring bolt (2) are in spacing groove (34), block portion (311) with shifting block (4) block.

5. The electromagnetic lock mechanism of claim 4, wherein: the shifting block (4) comprises a hook-shaped piece (41) and a shifting block rotating shaft (42), the shifting block rotating shaft (42) is vertically connected into the lock shell (1), the shifting block (4) rotating shaft (42) penetrates through the bottom of the hook-shaped piece (41), and the clamping portion (311) is clamped with the hook-shaped piece (41).

6. The electromagnetic lock mechanism of claim 5, wherein: the hook piece (41) comprises a hook part (411) and a hook body part (412) which are integrally formed, the clamping part (311) is clamped with the hook part (411), and one end, far away from the hook part (411), of the hook body part (412) is fixedly connected with the shifting lever (7).

7. The electromagnetic lock mechanism of claim 4, wherein: the lock shell (1) is detachably connected with a touch switch (9), and the outer side of the bottom of the U-shaped part (31) is abutted to a contact piece (91) of the touch switch (9).

8. An electromagnetic lock mechanism as claimed in claim 1, wherein: a line slotted hole (10) is formed in one side face of the lock shell (1).

9. An electromagnetic lock mechanism as claimed in claim 1, wherein: the lock shell (1) is fixedly connected with the intelligent cabinet through bolts.

10. An electromagnetic lock mechanism as claimed in claim 1, wherein: the lock shell (1) comprises a plastic lock shell (1).