CN212689771U - Mechanical unlocking device of electromagnetic lock - Google Patents

Abstract

The embodiment of the utility model discloses a mechanical unlocking device of an electromagnetic lock, which comprises a mechanical lock cylinder and an active unlocking component which are arranged on a cabinet door, and a passive shifting piece component which is arranged in the cabinet body, wherein a shifting piece I is arranged on a rotating shaft of the mechanical lock cylinder, a pushing wedge block is arranged on the shifting piece I, the active unlocking component comprises a movable sleeve which is fixedly arranged on the cabinet door, and a push rod which stretches along the horizontal direction is arranged at the center of the movable sleeve; the passive shifting piece assembly comprises an installation base fixed above the electromagnetic lock and a second shifting piece movably arranged on the installation base, wherein a front gear of the second shifting piece is over against the ejector rod, a rear gear of the second shifting piece is over against a mechanical switch of the electromagnetic lock, and the ejector rod pushes the second shifting piece to rotate around the installation base until the rear gear of the second shifting piece presses the mechanical switch of the electromagnetic lock; this scheme adopts the mechanical subassembly of unblanking of positive installation to when many cabinets arrange side by side among the solution prior art, the unable problem of using of mechanical unlocking means.

Description

Mechanical unlocking device of electromagnetic lock

Technical Field

The embodiment of the utility model provides a relate to electromagnetic lock technical field, concretely relates to mechanical unlocking means of electromagnetic lock.

Background

The manual unlocking means of rack is the essential part in the rack of application electromagnetic lock door, and when the cabinet door was closed the back, the spring bolt can be caught to the latch hook of electromagnetic lock, and after the electricity was given to the electromagnetic lock, the electromagnetic lock latch hook was bounced, and the cancellation just can be opened to the locking of spring bolt, the cabinet door. However, when the cabinet is powered off, the cabinet door needs to be opened in an emergency, which requires a mechanical device to manually unlock the electromagnetic lock.

Under the general condition, the electromagnetic lock is installed on the cabinet body, and the spring bolt is installed on the cabinet door, and when the cabinet door was closed, the spring bolt can hit in the electromagnetic lock latch hook to pin the cabinet door, and have mechanical switch on the electromagnetic lock, this switch is stirred manually, can open the electromagnetic lock under the outage condition, therefore general manual mechanical unlocking means installs the side that is close to the electromagnetic lock at the cabinet door, and mechanical switch on the electromagnetic lock is stirred through the rotatory plectrum of mechanical lock and opens the electromagnetic lock. The current unlocking mode is required to be installed on the side edge of the cabinet, and when a plurality of cabinets are arranged side by side, manual unlocking under emergency cannot be realized.

Disclosure of Invention

Therefore, the embodiment of the utility model provides a mechanical unlocking device of electromagnetic lock adopts the mechanical subassembly of unblanking of openly installing to when many cabinets arrange side by side among the solution prior art, the unable problem that uses of mechanical unlocking device.

In order to achieve the above object, an aspect of the present invention provides the following technical solutions:

a mechanical unlocking device of an electromagnetic lock comprises a mechanical lock cylinder and an active unlocking component which are arranged on a cabinet door, and a passive shifting piece component which is arranged in a cabinet body and connected with a mechanical switch of the electromagnetic lock, wherein the mechanical lock cylinder is connected with the active unlocking component;

when the mechanical lock cylinder is rotated to unlock, the active unlocking assembly is driven to push the passive shifting piece assembly inwards, so that the passive shifting piece assembly triggers the mechanical switch of the electromagnetic lock to realize the manual unlocking of the electromagnetic lock.

As a preferred scheme of the utility model, be equipped with plectrum one in the axis of rotation of machinery lock core, install the promotion voussoir on the plectrum one, initiative unblock subassembly is including the fixed movable sleeve that sets up on the cabinet door, movable sleeve's center is equipped with the flexible ejector pin along the horizontal direction.

As a preferred scheme of the utility model, passive plectrum subassembly is including fixing the installation base of electromagnetic lock top to and the activity sets up plectrum two on the installation base, the preceding fender of plectrum two is just right the ejector pin, the backstop of plectrum two is just right the mechanical switch of electromagnetic lock, the ejector pin promotes plectrum two winds installation base is rotatory until the backstop of plectrum two is pressed the mechanical switch of electromagnetic lock.

As an optimized scheme of the utility model, the ejector pin outer movable sleeve is equipped with compression spring, compression spring's both ends are installed respectively movable sleeve with the tip of ejector pin.

As a preferred scheme of the utility model, the cabinet body is just right the position of ejector pin is equipped with interior perforation, the ejector pin passes the cabinet door is inserted in the interior perforation, the ejector pin is in under the effect that promotes the voussoir the horizontal slip in the interior perforation.

As a preferred scheme of the utility model, the intermediate position of plectrum two is equipped with spacing arc wall, the internal insert of cabinet is equipped with the extension spring dead lever of spacing arc wall inside, the plectrum two is passed through spacing arc wall along the extension spring dead lever rotates, the backstop of plectrum two is equipped with the extension spring and decides the hole, extension spring dead lever and extension spring decide to be equipped with the extension spring that resets between the hole.

As an optimized scheme of the utility model, the extension spring that resets drives two playback of plectrum, the backstop of plectrum two just contacts the mechanical switch of electromagnetic lock.

On the other hand, the utility model provides a mechanical unlocking means of another kind of electromagnetic lock, including installing mechanical lock core and the electromagnetic lock on the cabinet body jointly, just mechanical lock core is located the top of electromagnetic lock, mechanical lock core with connect through transmission stay cord subassembly between the mechanical switch of electromagnetic lock, the key rotates touch during the mechanical lock core the mechanical switch of electromagnetic lock realizes that the manual of electromagnetic lock is opened.

As an optimized scheme of the utility model, transmission stay cord subassembly is including installing the epaxial plectrum three of axis of rotation of machinery lock core, the border position of plectrum three is equipped with the mounting hole, there is free rotation's plectrum two top of electromagnetic lock through base movable mounting, also be equipped with the mounting hole on the preceding fender of plectrum two, mounting hole on the plectrum three with be equipped with the hard rope of steel wire between the mounting hole on the preceding fender of plectrum two.

As an optimized scheme of the utility model, be equipped with on the cabinet door and be used for inserting the key and rotate the through hole groove of mechanical lock core, the backstop of plectrum three receive the influence of gravity with mechanical switch is the normal contact state place the key rotation of inserting in the through hole groove drive during the mechanical lock core the front catch of plectrum two moves down and touches the mechanical switch of electromagnetic lock unblanks to the electromagnetic lock.

The utility model discloses an embodiment has following advantage:

the utility model discloses a mechanical unlocking means can promptly use when the electromagnetic lock outage, ensures normal unblank and close the lock operation to mechanical unlocking means adopts openly installation, when avoiding many cabinets to arrange side by side, the problem that mechanical unlocking means can't use, mechanical unlocking means's rational in infrastructure simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a cross-sectional view of a mechanical unlocking device according to embodiment 1 of the present invention;

fig. 2 is a cross-sectional view of a mechanical unlocking device according to embodiment 2 of the present invention.

In the figure:

1-a mechanical lock cylinder; 2-an active unlocking assembly; 3-passive paddle components; 4-an electromagnetic lock; 5-a mechanical switch; 6-shifting a first sheet; 7-pushing the wedge block; 8-inner perforation; 9-limiting arc-shaped groove; 10-a tension spring fixing rod; 11-tension spring fixed hole; 12-a return tension spring; 13-plectrum III; 14-mounting holes; 15-steel wire hard rope; 16-through perforated slots;

201-a movable sleeve; 202-a mandril;

301-mounting a base; 302-second pick.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the utility model provides a mechanical unlocking device of electromagnetic lock, this embodiment is in order to realize opening the electromagnetic lock under the outage condition, sets up the manual outage and the mechanical unlocking device who opens the electromagnetic lock in the front of cabinet door, consequently conveniently realizes the manual unblanking under the emergency.

In this embodiment, the locking and the mode of unblanking of electromagnetic lock are the same with prior art, install the body of electromagnetic lock on the cabinet body, the spring bolt is installed on the cabinet door, when the cabinet door is closed, thereby the spring bolt can hit and pin the cabinet door in the electromagnetic lock latch hook, when the cabinet outage, the electromagnetic lock need be unblanked to the electromagnetic lock manual through manual mechanical device, the last mechanical switch that has of electromagnetic lock, this switch of manual stirring is gone up the electricity for the electromagnetic lock, can manually open the electromagnetic lock under the outage condition, the electromagnetic lock latch hook is bounced, the locking of cancellation to the spring bolt, the cabinet door just can be opened.

The manual mechanical device specifically comprises a mechanical lock cylinder 1 and an active unlocking component 2 which are arranged on a cabinet door, and a passive shifting piece component 3 which is arranged in a cabinet body, wherein the mechanical lock cylinder 1 of the embodiment is just a lock cylinder which is commonly used at present, the lock cylinder is rotated to unlock after a key is inserted, when the mechanical lock cylinder 1 rotates, the active unlocking component 2 is driven to move towards the cabinet body, the passive shifting piece component 3 opens a mechanical switch 5 of an electromagnetic lock 4 under the pushing action of the active unlocking component 2, and the electromagnetic lock 4 is electrified to release a lock tongue.

The mechanical lock cylinder is characterized in that a first shifting piece 6 is arranged on a rotating shaft of the mechanical lock cylinder 1, a pushing wedge block 7 is installed on the first shifting piece 6, the active unlocking assembly 2 comprises a movable sleeve 201 fixedly arranged on the cabinet door, and a push rod 202 which stretches along the horizontal direction is arranged at the center of the movable sleeve 201.

The shape of the pushing wedge 7 is wedge-shaped, and the direction from the end face of the first driver blade 6 to the end face contacting the movable sleeve 201 of the pushing wedge 7 is specifically wedge-shaped, so when the mechanical lock cylinder 1 drives the pushing wedge 7 to rotate, the pushing wedge 7 pushes the ejector rod 202 to move towards the cabinet body to drive the driven driver blade assembly 3 to rotate.

The cabinet body is provided with an inner through hole 8 at a position opposite to the top rod 202, the top rod 202 penetrates through the cabinet door and is inserted into the inner through hole 8, and the top rod 202 slides left and right in the inner through hole 8 under the action of the pushing wedge block 7.

The passive shifting block component 3 comprises an installation base 301 fixed above the electromagnetic lock 4 and a second shifting block 302 movably arranged on the installation base 301, wherein a front gear of the second shifting block 302 is right opposite to the ejector rod 202, a rear gear of the second shifting block 302 is right opposite to the mechanical switch 5 of the electromagnetic lock 4, and the ejector rod 202 pushes the second shifting block 302 to rotate around the installation base 301 until the rear gear of the second shifting block 302 is pressed down to the mechanical switch 5 of the electromagnetic lock 4.

When the ejector rod 202 moves towards the inner through hole 8 in the forward direction under the action of the pushing wedge block 7, the ejector rod 202 pushes the front stop of the second shift piece 302, the lower end of the second shift piece 302 rotates clockwise around the mounting base 301, the rear stop of the second shift piece 302 presses the mechanical switch 5 of the electromagnetic lock 4 downwards, the electromagnetic lock 4 is opened to supply electricity, and at the moment, the lock hook of the electromagnetic lock bounces, and the lock of the lock tongue is cancelled.

In order to ensure the stability of the second shifting piece 302 during rotation, the middle position of the second shifting piece 302 is provided with a limiting arc-shaped groove 9, the cabinet body is internally provided with a tension spring fixing rod 10 inserted into the limiting arc-shaped groove 9, the second shifting piece 302 passes through the limiting arc-shaped groove 9 and rotates along the tension spring fixing rod 10, the second shifting piece 302 is ensured not to shake in other directions, and the second shifting piece 302 stably rotates clockwise and anticlockwise around the mounting base 301.

When the electromagnetic lock latch hook is bounced to be opened, the locking of the latch bolt is cancelled, the mechanical lock cylinder 1 is reset, the cabinet door can be opened by pulling outwards, in order to ensure the self-resetting function of the ejector rod 202, the compression spring 203 is movably sleeved outside the ejector rod 202 in the embodiment, and two ends of the compression spring 203 are respectively installed at the ends of the movable sleeve 201 and the ejector rod 202.

When the mechanical lock cylinder 1 is rotated reversely, the pushing wedge 7 is separated from the ejector rod 202, the ejector rod 202 can slide in the movable sleeve 201 and reset under the action of the compression spring 203, and the ejector rod 202 retracts to the original position along the horizontal direction towards the cabinet door, so that the next mechanical unlocking operation is convenient to perform.

The rear gear of the second shifting piece 302 is provided with a tension spring fixed hole 11, a reset tension spring 12 is arranged between the tension spring fixed rod 10 and the tension spring fixed hole 11, the reset tension spring 12 drives the second shifting piece 302 to return, and the rear gear of the second shifting piece 302 just contacts with the mechanical switch 5 of the electromagnetic lock 4.

That is, when the mechanical lock cylinder 1 is rotated in the reverse direction, the top rod 202 is reset under the action of the compression spring 203, so that the second dial piece 302 is reset under the action of the reset tension spring 12, the rear gear of the second dial piece 302 is disengaged from the mechanical switch 5, and the electromagnetic lock 4 can normally work.

In summary, the operation of the electromagnetic lock 4 for electrically unlocking specifically includes:

1. the key drives the mechanical lock cylinder 1 to rotate, and the pushing wedge 7 pushes the ejector rod 202 to slide towards the cabinet body through the inner through hole 8 by utilizing the wedge-shaped surface;

2. the ejector rod 202 applies force to the front gear of the second shifting piece 302 to push the second shifting piece 302 to rotate clockwise around the mounting base 301 integrally, and the rear gear of the second shifting piece 302 presses down the mechanical switch 5 of the electromagnetic lock 4;

3. 4 electricity of electromagnetic lock, pulling latch hook pop out the spring bolt, the electromagnetic lock releases the fixed to the cabinet door.

The operation of the electromagnetic lock 4 for locking again specifically is as follows:

i, a key drives the mechanical lock cylinder 1 to rotate reversely to reset, the wedge block thrust ejector rod 202 is pushed, the ejector rod 202 slides out of the inner through hole 8 to reset under the action of the compression spring 203, and force is not applied to the front stop of the second plectrum 302 any more;

II, the second shifting piece 302 rotates reversely under the action of the reset tension spring 12, the rear gear of the second shifting piece 302 is reset and is just positioned on the upper surface of the mechanical switch 5 of the electromagnetic lock 4, and the electromagnetic lock 4 is powered off again;

III, close the cabinet door, the spring bolt of cabinet door is fixed again in the latch hook of electromagnetic lock 4, realizes the locking to the cabinet door again, resumes the normal locking function of electromagnetic lock 4.

Example 2

Different from embodiment 1, as shown in fig. 2, in the present embodiment, the mechanical lock cylinder 1 and the electromagnetic lock 4 are both mounted on the cabinet body, the mechanical lock cylinder 1 is disposed above the electromagnetic lock 4, a through hole slot 16 for inserting a key to rotate the mechanical lock cylinder 1 is disposed on the cabinet door, a third paddle 13 is disposed on the rotating shaft of the mechanical lock cylinder 1, a mounting hole 14 is disposed on the third paddle 13, a mounting hole 14 is also disposed on the front stop of the second paddle 302, and a steel wire hard rope 15 is disposed between the mounting hole 14 on the third paddle 13 and the mounting hole 14 on the front stop of the second paddle 302.

The mounting means of plectrum two 302 is unchangeable, when mechanical lock core 1 is rotatory under the drive of key, plectrum three 13 rotates in step thereupon, upwards carry and draw steel wire hard rope 15, plectrum two 302 pushes down the mechanical switch 5 of electromagnetic lock 4 along installation base 301 clockwise rotation, thereby give electricity to electromagnetic lock 4, the latch lock of release cabinet door is bounced to the latch hook of electromagnetic lock 4, extract the back with the key of mechanical lock core 1, can open the cabinet door, plectrum two 302 resets under the effect of extension spring 12 that resets, the electromagnetic lock outage again.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a mechanical unlocking means of electromagnetic lock which characterized in that: the cabinet door unlocking device comprises a mechanical lock cylinder (1) and an active unlocking component (2) which are arranged on a cabinet door, and a passive shifting piece component (3) which is arranged in the cabinet body and connected with a mechanical switch (5) of an electromagnetic lock (4), wherein the mechanical lock cylinder (1) is connected with the active unlocking component (2);

when the mechanical lock cylinder (1) is rotated to unlock, the active unlocking assembly (2) is driven to push the passive shifting piece assembly (3) inwards, so that the passive shifting piece assembly (3) triggers the mechanical switch (5) of the electromagnetic lock (4) to realize manual unlocking of the electromagnetic lock (4).

2. The mechanical unlocking device of an electromagnetic lock according to claim 1, wherein: the mechanical lock is characterized in that a first shifting piece (6) is arranged on a rotating shaft of the mechanical lock cylinder (1), a pushing wedge block (7) is installed on the first shifting piece (6), the active unlocking assembly (2) comprises a movable sleeve (201) fixedly arranged on a cabinet door, and an ejector rod (202) stretching along the horizontal direction is arranged at the center of the movable sleeve (201).

3. The mechanical unlocking device of an electromagnetic lock according to claim 2, wherein: passive plectrum subassembly (3) are including fixing installation base (301) of electromagnetic lock (4) top to and the activity sets up plectrum two (302) on installation base (301), the preceding fender of plectrum two (302) is just right ejector pin (202), the backstop of plectrum two (302) is just right mechanical switch (5) of electromagnetic lock (4), ejector pin (202) promote plectrum two (302) wind installation base (301) are rotatory up to press down the backstop of plectrum two (302) mechanical switch (5) of electromagnetic lock (4).

4. The mechanical unlocking device of an electromagnetic lock according to claim 2, wherein: the outer movable sleeve of ejector pin (202) is equipped with compression spring (203), the both ends of compression spring (203) are installed respectively in movable sleeve (201) and the tip of ejector pin (202).

5. The mechanical unlocking device of an electromagnetic lock according to claim 2, wherein: an inner through hole (8) is formed in the position, opposite to the ejector rod (202), of the cabinet body, the ejector rod (202) penetrates through the cabinet door and is inserted into the inner through hole (8), and the ejector rod (202) slides left and right in the inner through hole (8) under the action of the pushing wedge block (7).

6. A mechanical unlocking means of an electromagnetic lock according to claim 3, characterized in that: the middle position of the second shifting piece (302) is provided with a limiting arc-shaped groove (9), the cabinet body is internally provided with an extension spring fixing rod (10) inserted into the limiting arc-shaped groove (9), the second shifting piece (302) passes through the limiting arc-shaped groove (9) along the extension spring fixing rod (10) to rotate, a rear baffle of the second shifting piece (302) is provided with an extension spring fixing hole (11), and a reset extension spring (12) is arranged between the extension spring fixing rod (10) and the extension spring fixing hole (11).

7. The mechanical unlocking device of an electromagnetic lock according to claim 6, wherein: the reset tension spring (12) drives the second shifting piece (302) to return, and the rear gear of the second shifting piece (302) just contacts the mechanical switch (5) of the electromagnetic lock (4).

8. The utility model provides a mechanical unlocking means of electromagnetic lock which characterized in that: including installing mechanical lock core (1) and electromagnetic lock (4) on the cabinet body jointly, just mechanical lock core (1) is located the top of electromagnetic lock (4), mechanical lock core (1) with connect through transmission stay cord subassembly between mechanical switch (5) of electromagnetic lock (4), the key rotates trigger during mechanical lock core (1) the manual of electromagnetic lock (4) is opened in mechanical switch (5) realization electromagnetic lock (4).

9. The mechanical unlocking device of an electromagnetic lock according to claim 8, wherein: the transmission stay cord subassembly is including installing the epaxial plectrum three (13) of rotation of mechanical lock core (1), the border position of plectrum three (13) is equipped with mounting hole (14), there is free rotation plectrum two (302) top of electromagnetic lock (4) through base movable mounting, also be equipped with mounting hole (14) on the preceding fender of plectrum two (302), mounting hole (14) on plectrum three (13) with be equipped with steel wire hard rope (15) between mounting hole (14) on the preceding fender of plectrum two (302).

10. A mechanical unlocking means of an electromagnetic lock according to claim 9, characterized in that: a through hole groove (16) used for inserting a key to rotate the mechanical lock cylinder (1) is formed in the cabinet door, the rear stop of the third shifting piece (13) is in a normally contact state with the mechanical switch (5) under the influence of gravity, and when the key is inserted into the through hole groove (16) to rotate the mechanical lock cylinder (1), the front stop of the second shifting piece (302) is driven to move downwards to trigger the mechanical switch (5) of the electromagnetic lock (4) to unlock the electromagnetic lock (4).

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