CN210134723U

CN210134723U - Electromagnetic lock device

Info

Publication number: CN210134723U
Application number: CN201920182302.3U
Authority: CN
Inventors: 黄君伟; 吴洪河
Original assignee: Shenzhen Quantum Technology Co Ltd
Current assignee: Shenzhen Quantum S&t Co ltd
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-03-10
Anticipated expiration: 2029-02-01

Abstract

The utility model provides an electromagnetic lock device, which comprises a lock cover component, an electromagnet component and a lock hook, wherein the lock cover component forms a containing cavity, and also comprises a first clamping hook component, a second clamping hook component and a push rod component; the first hook component can rotate around a shaft arranged on the lock cover component, one end of the first hook component is connected with the electromagnet component, the other end of the first hook component is contacted with the second hook component, and the second hook component rotates around the shaft arranged on the lock cover component and can be connected with or separated from the lock hook; the push rod assembly penetrates through the lock cover assembly and can move left and right in the through hole to spring the lock hook. The utility model discloses an electromagnetic lock device locking closure and inner structure intensity are high, stability is good, anti top door dynamic height, transmission lock state signal are accurate to it is smooth and easy not stuck to open the door.

Description

Electromagnetic lock device

Technical Field

The utility model relates to a locker technical field, in particular to electromagnetic lock device.

Background

At present, in people's daily life, unmanned locker is more and more common, for example the locker of using such places as express delivery cabinet or supermarket to and mailbox, automatic sales counter etc. among the prior art, generally adopt the electromagnetic lock in the locker, the electromagnetic lock is the tool to lock that drives the spring bolt removal through electromagnetism production magnetic force, owing to need not driving source such as motor, therefore the overall structure of electromagnetic lock is less relatively, can satisfy the operation requirement of locker.

The existing electromagnetic lock has the internal structure which is not reasonable in design, so that the lock is low in strength, poor in stability, easy to damage and prone to blocking sometimes.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to an electromagnetic lock device to solve the problems of low strength, poor stability, easy jamming and damage in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an electromagnetic lock device comprises a lock cover assembly, an electromagnet assembly and a lock hook, wherein the lock cover assembly forms a containing cavity, and further comprises a first clamping hook assembly, a second clamping hook assembly and a push rod assembly; the first hook component can rotate around a shaft arranged on the lock cover component, one end of the first hook component is connected with the electromagnet component, the other end of the first hook component is contacted with the second hook component, and the second hook component rotates around the shaft arranged on the lock cover component; the second clamping hook component can be connected with the lock hook; the push rod assembly penetrates through the lock cover assembly and can move left and right in the through hole to spring the lock hook.

Further, the locking closure assembly comprises an upper locking closure and a lower locking closure, wherein the upper locking closure and the lower locking closure are integrally formed by stretching and are used for improving the strength of the locking closure.

The first clamping hook component comprises a first clamping hook and a sliding rod, and a first rotating shaft penetrates through the first clamping hook and can enable the clamping hook component to rotate around the first rotating shaft; one end of the sliding rod is fixedly connected with the first clamping hook, and the other end of the sliding rod is connected with the electromagnet assembly and used for driving the first clamping hook assembly to rotate when the electromagnet assembly acts.

Furthermore, a clamping groove and a sliding groove are arranged on the first clamping hook and can be in contact with the second clamping hook component; the clamping groove is used for limiting the second clamping hook component, and the sliding groove can enable the second clamping hook component to slide along the sliding groove.

The second hook component comprises a second hook and a torsion spring, and a second rotating shaft penetrates through the second hook and can enable the hook component to rotate around the second hook; the torsion spring is arranged on the second rotating shaft, one end of the torsion spring is clamped with the second clamping hook, and the other end of the torsion spring is abutted against the side wall of the lower lock cover and used for providing elasticity for the second clamping hook during unlocking.

Furthermore, the second hook is also provided with a hook groove for locking the lock hook.

Furthermore, the first clamping hook and the second clamping hook are formed by powder metallurgy and used for improving the strength and the door jacking force of the lock.

Furthermore, the first rotating shaft and the second rotating shaft are fixed on the lower lock cover and used for installing the first clamping hook assembly and the second clamping hook assembly.

The push rod assembly comprises a push spring and a push rod and is used for providing elasticity for opening the assistant cabinet door, the push spring is sleeved on the push rod, and the push rod penetrates through a through hole of the lower lock cover and can move left and right.

The electromagnetic lock device further comprises a microswitch, the microswitch is in contact with the second clamping hook, the second clamping hook rotates to trigger the microswitch, and then signals of the lock state are fed back accurately.

Compared with the prior art, an electromagnetic lock device have following advantage:

(1) in the electromagnetic lock device, the upper lock cover and the lower lock cover are integrally formed by stretching, the lock cover component has high strength, and the internal structure of the lock can be effectively protected;

(2) in the electromagnetic lock device, the first clamping hook and the second clamping hook are powder metallurgy parts, the internal structure strength of the lock is high, the stability of the lock is good, and the push rod and the push spring are adopted, so that the door can be opened smoothly without being blocked;

(3) an electromagnetic lock device, micro-gap switch directly be connected with the second trip, can accurate feedback lock's status signal.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an assembly schematic view of an electromagnetic lock in an unlocked state according to an embodiment of the present invention;

fig. 2 is a front view of an internal structure of the electromagnetic lock in a locked state according to the embodiment of the present invention;

fig. 3 is a front view of an internal structure of the electromagnetic lock in an unlocked state according to the embodiment of the present invention;

fig. 4 is a left side view of the lock according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a lock cover assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a first hook assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of one side of a second hook assembly according to an embodiment of the present invention;

fig. 8 is another schematic structural view of a second hook assembly according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a push rod assembly according to an embodiment of the present invention;

fig. 10 is a schematic structural view of an electromagnet assembly according to an embodiment of the present invention;

fig. 11 is a schematic view of an internal structure of an electromagnetic lock according to another embodiment of the present invention.

Description of reference numerals:

1-a locking cap assembly, 1 a-a lower locking cap, 1 b-an upper locking cap, 1 c-a first rib, 1 d-a second rib, 1 e-a push rod hole, 1 f-a lower snap groove, 1 g-an upper snap groove, 2-a first snap hook assembly, 3-a second snap hook, 3 a-a torsion spring, 3 b-a torsion spring first end, 3 c-a torsion spring second end, 3 e-a second rotating shaft, 3 f-a sliding end, 3 g-a microswitch contact end, 3 h-a snap hook groove, 4-a first snap hook, 4 a-a first rotating shaft, 4 b-a snap groove, 4 c-a slide groove, 5-a push rod assembly, 5 a-a push spring, 5 b-a catch, 5 c-a push rod, 6-an electromagnet assembly, 6 a-a connecting rod, 6 b-a spring, 7-lock hook, 7 a-cabinet door, 8-slide bar, 9-second hook component, 10-micro switch, 11-containing cavity and 12-anti-shake component.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The descriptions in the present application referring to "first", "second", "upper", "lower", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," "upper," "lower," may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments can be combined with each other, but it is necessary to be able to realize that the technical solutions in the embodiments can be combined with each other on the basis of the realization of a person having ordinary skill in the art, and all that is required by the present invention is within the protection scope of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and 2, an electromagnetic lock device includes a lock cover assembly 1, an electromagnet assembly 6, a lock hook 7, a first hook assembly 2, a second hook assembly 9, and a push rod assembly 5, wherein the lock cover assembly 1 forms an accommodating cavity 11, and the accommodating cavity 11 is provided with the electromagnet assembly 6, the first hook assembly 2, the second hook assembly 9, and the push rod assembly 5; the first hook component 2 can rotate around a shaft arranged on the lock cover component 1, one end of the first hook component is connected with the electromagnet component 6, the other end of the first hook component 2 is contacted with the second hook component 9, and the second hook component 9 rotates around the shaft arranged on the lock cover component 1; the second clamping hook component 9 can be connected with the lock hook 7; the push rod assembly 5 penetrates through the lock cover assembly 1 and can move left and right in the perforation to spring the lock hook 7.

As shown in fig. 4 and 5, the locking cover assembly 1 includes an upper locking cover 1b and a lower locking cover 1a, and the upper locking cover 1b and the lower locking cover 1a are integrally formed by stretching.

The upper locking cover 1b is provided with a first flange 1c, the lower locking cover 1a is provided with a second flange 1d at a corresponding position, and the first flange 1c and the second flange 1d are used for limiting the first clamping hook component 2 after locking. Be provided with push rod hole 1e on the lower locking closure 1a, push rod subassembly 5 penetrates from push rod hole 1e, can remove about in push rod hole 1e, and in addition, the lateral wall of upper locking closure 1b is opened has last draw-in groove 1g, and draw-in groove 1f is opened to lower locking closure 1a corresponding position, and push rod subassembly 5 can be followed and is worn out in last draw-in groove 1g and the draw-in groove 1f down after upper locking closure 1b and lower locking closure 1a closed the knot.

As shown in fig. 6, the first hook assembly 2 includes a first hook 4 and a slide bar 8, a first rotating shaft 4a penetrates through the first hook 4, the hook assembly can rotate around the first rotating shaft, a clamping groove 4b and a sliding groove 4c are arranged on the first hook 4, the clamping groove 4b and the sliding groove 4c are in contact with the second hook assembly 9, the groove 4b is used for limiting the second hook assembly 9, and the sliding groove 4c can enable the second hook assembly 9 to slide along the sliding groove. One end of the sliding rod 8 is fixedly connected with the first clamping hook 4, the other end of the sliding rod is connected with the electromagnet assembly 6, and the electromagnet assembly 6 drives the first clamping hook assembly 2 to rotate when acting.

As shown in fig. 7 and 8, the second hook assembly 9 includes a second hook 3 and a torsion spring 3a, a second rotating shaft 3e penetrates through the second hook 3, the hook assembly rotates around the second rotating shaft, the second hook 3 further includes a sliding end 3f, a micro switch contact end 3g, and a hook groove 3h, the sliding end 3f slides in the sliding groove 4c when the second hook 3 rotates, the sliding end slides to the end of the sliding groove 4c to be in an unlocking state, when the second hook 3 is clamped in the clamping groove 4b, the second hook 3 is in a locking state, the hook groove 3h is used for being clamped with the lock hook 7, and the lock hook 7 is locked when the lock is closed; the torsion spring 3a body is arranged on the second rotating shaft 3e, the second end portion 3c of the torsion spring is connected with the second clamping hook 3 in a clamping mode, and the first end portion 3b of the torsion spring is abutted to the side wall of the lower locking cover 1 a.

Preferably, the first hook 4 and the second hook 3 are formed by powder metallurgy.

Further, the first rotating shaft 4a and the second rotating shaft 3e are fixed to the lower lock cover 1 a.

As shown in fig. 9, the push rod assembly 5 includes a push spring 5a and a push rod 5c for providing an elastic force for opening the assistant cabinet door, the push spring 5a is sleeved on the push rod 5c, and the push rod 5c is inserted into the push rod hole 1e of the lower lock cover 1a and can move left and right.

Preferably, the push rod assembly 5 further includes a blocking piece 5b, the blocking piece 5b is blocked on the push rod 5c, and when the push rod assembly 5 is ejected, the blocking piece 5b is contacted with the upper locking cover 1b and the lower locking cover 1a for limiting the stroke of the push rod assembly 5.

Preferably, the diameter of the right end of the push rod 5c is smaller than that of the left end, the outer surface of the push rod 5c is a conical surface, and when the push rod 5c moves rightwards in the push rod hole 1e, the push rod 5c can be resisted by the push rod hole 1e due to the fact that the diameter of the push rod is increased, the push rod is limited to move rightwards continuously, and normal work of the push rod 5c is guaranteed.

As shown in fig. 2, the electromagnetic lock device further includes a micro switch 10, the micro switch 10 is in contact with the second hook 3, and the rotation of the second hook 3 can trigger the micro switch 10, so as to ensure that the micro switch 10 can accurately feed back a lock state signal to the lock control board.

As shown in fig. 10, the electromagnet assembly 6 includes a connecting rod 6a and a spring 6b, the connecting rod 6a is provided with a through hole, the sliding rod 8 of the first hook assembly 2 passes through the through hole, the spring 6b is sleeved on the connecting rod 6a, the electromagnet assembly 6 is powered on, the connecting rod 6a moves downwards, the spring 6b is compressed, the sliding rod 8 is driven to move downwards, the electromagnet 6 is powered off, the spring 6b rebounds, the connecting rod 6a moves upwards, and the sliding rod 8 is driven to reset.

With reference to fig. 2-10, when the cabinet door 7a is in a locked state, the electromagnet assembly 6 is in a power-off state and in a home position; the sliding rod 8 of the first clamping hook component 2 penetrates through the connecting rod 6a of the electromagnet component 6, and the first clamping hook 4 is in contact with the first retaining edge 1c and the second retaining edge 1d and is limited; the second clamping hook assembly 9 is in a locking state, the torsion spring 3a is compressed by the second clamping hook 3 and the side wall of the lower locking cover 1a, the sliding end 3f is positioned in the clamping groove 4b of the first clamping hook 4, and the clamping hook groove 3h is clamped with the locking hook 7; the push rod assembly 5 is abutted against the cabinet door 7a, and the push spring 5a is in a compressed state.

When unblanking, electromagnet assembly 6 receives the electricity, the downstream, connecting rod 6a pulling slide bar 8 downstream, slide bar 8 drives first trip 4 clockwise turning, to the unblock of second trip subassembly 9, second trip 3 clockwise turning under torsional spring 3 a's elasticity, trip 7 breaks away from trip groove 3h, push rod assembly 5 is pushing away left under the effect of spring 5a and is moving, flick cabinet door 7a, and simultaneously, micro-gap switch contact jaw 3g triggers micro-gap switch 10, micro-gap switch 10 transmits the unblock signal.

After the cabinet door 7a is opened, the electromagnet assembly 6 is powered off, the spring 6b tends to rebound, the sliding end 3f is at the tail end of the sliding groove 4c, the second clamping hook 3 abuts against the first clamping hook 4, and the first clamping hook 4 and the electromagnet assembly 6 still do not act.

Close cabinet door 7a once more, compress push rod subassembly 5, lock hook 7 pushes into trip groove 3h, under the thrust effect, second trip 3 anticlockwise rotation, slip end 3f is along spout 4c anticlockwise slip, when will contact with draw-in groove 4b, the spring 6b of electro-magnet subassembly 6 kick-backs, make slide bar 8 move up, drive first trip 4 anticlockwise rotation, stop when the slip end 3f of second trip 3 is in draw-in groove 4b of first trip 4, first trip 4 contacts with first flange 1c and second flange 1d, by spacingly, cabinet door 7a closes.

In another embodiment, as shown in fig. 11, the push rod assembly 5 is taken out and replaced with an anti-shake assembly 12, the anti-shake assembly 12 comprises an anti-shake torsion spring, one end of the anti-shake torsion spring abuts against the lower lock cover 1a, after the lock is closed, the anti-shake torsion spring is compressed, the anti-shake assembly abuts against the lock hook 7, the lock hook 7 is prevented from colliding with the cabinet body to generate abnormal sound under external force, and when the lock is unlocked, the anti-shake torsion spring pushes the lock hook 7 to withdraw under the action of elasticity, so that the cabinet door 7a can be smoothly opened, and an anti-shake effect is generated.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electromagnetic lock device comprises a lock cover assembly (1), an electromagnet assembly (6) and a lock hook (7), wherein the lock cover assembly (1) forms a containing cavity (11), and is characterized by further comprising a first clamping hook assembly (2), a second clamping hook assembly (9) and a push rod assembly (5), wherein the electromagnet assembly (6), the first clamping hook assembly (2), the second clamping hook assembly (9) and the push rod assembly (5) are arranged in the containing cavity (11); the first clamping hook component (2) can rotate around a shaft arranged on the lock cover component (1), one end of the first clamping hook component is connected with the electromagnet component (6), the other end of the first clamping hook component (2) is in contact with the second clamping hook component (9), and the second clamping hook component (9) rotates around the shaft arranged on the lock cover component (1); the first clamping hook component (2) comprises a first clamping hook (4) and a sliding rod (8), and a first rotating shaft (4a) penetrates through the first clamping hook (4) and can enable the clamping hook component to rotate around the first rotating shaft; one end of the sliding rod (8) is fixedly connected with the first clamping hook (4), the other end of the sliding rod is connected with the electromagnet assembly (6) and used for driving the first clamping hook assembly (2) to rotate when the electromagnet assembly (6) acts, a clamping groove (4b) and a sliding groove (4c) are formed in the first clamping hook (4), and the clamping groove (4b) and the sliding groove (4c) can be in contact with the second clamping hook assembly (9); the clamping groove (4b) is used for limiting the second clamping hook component (9), the sliding groove (4c) can enable the second clamping hook component (9) to slide along the sliding groove, and the second clamping hook component (9) can be connected with or separated from the lock hook (7); the push rod assembly (5) penetrates through the lock cover assembly (1) and can move left and right in the perforation to spring the lock hook (7).

2. The electromagnetic lock device according to claim 1, characterized in that the lock cover assembly (1) comprises an upper lock cover (1b) and a lower lock cover (1a), and the upper lock cover (1b) and the lower lock cover (1a) are integrally formed by stretching.

3. An electromagnetic lock device according to claim 2, characterized in that said second hook assembly (9) comprises a second hook (3) and a torsion spring (3a), said second hook (3) having a second rotation axis (3e) passing therethrough, enabling the hook assembly to rotate thereabout; the torsion spring (3a) is arranged on the second rotating shaft (3e), one end of the torsion spring is clamped with the second clamping hook (3), and the other end of the torsion spring is abutted to the side wall of the lower lock cover (1 a).

4. The electromagnetic lock device according to claim 3, characterized in that the second hook (3) is further provided with a hook groove (3h), and the hook groove (3h) is connected with or separated from the lock hook (7).

5. An electromagnetic lock device according to claim 3, characterized in that said first hook (4) and said second hook (3) are powder metallurgy formed.

6. An electromagnetic lock device according to claim 3, characterized in that the first axis of rotation (4a) and the second axis of rotation (3e) are fixed to the lower lock cover (1 a).

7. The electromagnetic lock device according to claim 2, wherein the push rod assembly (5) comprises a push spring (5a) and a push rod (5c) for providing an elastic force for opening the assistant cabinet door (7a), the push spring (5a) is sleeved on the push rod (5c), and the push rod (5c) is arranged in a through hole of the lower lock cover (1a) in a penetrating way and can move left and right.

8. An electromagnetic lock device according to claim 3, characterized in that it further comprises a microswitch (10), said microswitch (10) being in contact with the second hook (3), the rotation of the second hook (3) being capable of triggering the microswitch (10).