CN211714810U

CN211714810U - Magnetic lock

Info

Publication number: CN211714810U
Application number: CN201922052388.0U
Authority: CN
Inventors: 孙立刚; 张研
Original assignee: Shenyang Mingrui Huihong Technology Co ltd
Current assignee: Shenyang Mingrui Huihong Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-20
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a magnetic lock, which comprises a magnetic lock body and silicon steel sheets, wherein the magnetic lock body is fixedly connected with the outer surface of a door plate, the magnetic lock comprises a magnetic lock body, a silicon steel sheet and a locking device, wherein the silicon steel sheet is fixedly connected to the outer surface of a door frame, the position of the magnetic lock body corresponds to that of the silicon steel sheet, the locking device is electrically connected with an external commercial power, and the locking device is connected with the magnetic lock body in parallel, the utility model arranges the locking device on the surfaces of the magnetic lock body and the silicon steel sheet, the locking device is connected with the magnetic lock body in parallel, so that the magnetic lock can work normally under the condition of electrification, and when the power is cut off accidentally, the main power supply is cut off, so that the locking device is locked, therefore, the door can play a role in certain special occasions, such as a warehouse door needing to be kept in a normally closed state, and the like, and can still be kept locked when power is cut off accidentally, so that the safety and the reliability are ensured.

Description

Magnetic lock

Technical Field

The utility model relates to an electromagnetic control technical field, specific field is a magnetic lock.

Background

The design of the magnetic lock (or called magnetic lock) is the same as that of an electromagnet, and the magnetic lock utilizes the principle of electromagnetic generation, when current passes through a silicon steel sheet, the magnetic lock can generate strong suction to tightly suck an adsorption iron plate to achieve the effect of locking a door. As long as the small current magnetic lock can generate the Moore magnetic force, the access control system controlling the power supply of the magnetic lock is powered off after identifying that the personnel is correct, and the magnetic lock can be opened after losing the suction force.

The magnetic lock needs to be kept in a locking state by means of electric power, and after one end of the magnetic lock is powered off accidentally, the magnetic lock cannot continue to function, so that in some occasions, danger is caused, and potential safety hazards are brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic lock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a magnetic lock, includes magnetic lock body and silicon steel sheet, magnetic lock body fixed connection is in the surface of door plant, silicon steel sheet fixed connection is in the surface of door frame, magnetic lock body with the position of silicon steel sheet is corresponding, still includes locking device, locking device is connected with external commercial power electricity, just locking device with the magnetic lock body is parallelly connected.

Preferably, the locking device comprises a first shell and a second shell, the first shell is fixedly connected to the outer side wall of the magnetic lock body, the second shell is fixedly connected to the outer side wall of the silicon steel sheet, and the second shell corresponds to the first shell in position.

Preferably, the first casing is close to the lateral wall longitudinal symmetry of second casing has seted up first through-hole, the second casing corresponds first through-hole department has seted up the second through-hole, the inside wall of first casing is equipped with the connecting rod, the connecting rod is with two axis center between the first through-hole is parallel, the lateral wall of connecting rod is equipped with the ring channel, the lateral wall of ring channel rotates and is connected with the sleeve pipe, the one end of sheathed tube lateral wall fixedly connected with montant, the other end fixedly connected with arc pole of montant, the arc pole passes respectively first through-hole with the second through-hole, the sleeve pipe with be equipped with the torsional spring between the connecting rod, first casing is kept away from the first electro-magnet of lateral wall internal surface fixedly connected with of connecting rod one end, first electro-magnet with the magnetic lock body is parallelly connected.

Preferably, the sheathed tube lateral wall is equipped with tooth, the lateral wall of first casing rotates and is connected with the dwang, the dwang is located the inside one end fixedly connected with gear of first casing, the gear with tooth meshing.

Preferably, a rotating groove is formed in the end face, away from the gear, of one end of the rotating rod.

Preferably, a through groove is formed in the side wall of the first shell, which is close to the second shell, a locking pin is arranged on the outer surface of the second shell, which corresponds to the through groove, a locking hole is formed in the end face of the locking pin, a sleeve is arranged on the inner side wall of the first shell, a locking rod is inserted into the inner side wall of the sleeve, the locking rod is inserted into the locking hole, a second electromagnet is arranged on the inner wall of the sleeve, which is far away from the locking rod, and a spring is arranged between the second electromagnet and the locking rod.

Preferably, one end of the locking rod, which is far away from the sleeve, is provided with a slope.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a magnetic lock, sets up locking device through the surface at magnetic lock body and silicon steel sheet, and with locking device and magnetic lock body parallelly connected for under the electrified condition, the magnetic lock can normally work, and when taking place unexpected outage, the main power supply opens circuit, makes locking device locking, avoids taking place the potential safety hazard.

Drawings

Fig. 1 is a schematic front view, sectional structure of embodiment 1 of the present invention;

fig. 2 is a schematic front sectional view showing a lock device according to embodiment 1 of the present invention in an unlocked state;

fig. 3 is a schematic left-side sectional structure view according to embodiment 1 of the present invention;

fig. 4 is a schematic front view of a cross-sectional structure according to embodiment 2 of the present invention;

fig. 5 is a schematic left sectional view of a locking device according to embodiment 2 of the present invention;

fig. 6 is a schematic top view of a cross-sectional structure according to embodiment 2 of the present invention.

In the figure: 1-magnetic lock body, 2-silicon steel sheet, 3-locking device, 301-first shell, 302-first through hole, 303-connecting rod, 304-annular groove, 305-sleeve, 306-vertical rod, 307-arc rod, 308-first electromagnet, 309-second shell, 310-second through hole, 311-through groove, 312-locking pin, 313-locking hole, 314-sleeve, 315-locking rod, 316-second electromagnet, 317-spring, 4-rotating groove, 5-tooth, 6-rotating rod and 7-gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a magnetic lock, includes magnetic lock body 1 and

silicon steel sheet

2, 1 fixed connection of magnetic lock body is at the surface of door plant, 2 fixed connection of silicon steel sheet are at the surface of door frame, magnetic lock body 1 with the position of silicon steel sheet 2 is corresponding, when closing the door, silicon steel sheet 2 with after the magnetic lock body 1 contacts, 1 circular telegram of magnetic lock body tightly adsorbs silicon steel sheet 2 behind the production magnetic force to reach the mesh of locking the door, as shown in figure 1, still include locking device 3, locking device 3 is connected with external commercial power electricity, just locking device 3 with magnetic lock body 1 is parallelly connected, and when external power supply, control 1 circular telegram or outage of magnetic lock body can realize normally opening the door and close the door, and locking device 3 remains the on state all the time.

Specifically, as shown in fig. 1, the locking device 3 includes a first housing 301 and a second housing 309, the first housing 301 is fixedly connected to the outer sidewall of the magnetic lock body 1, the second housing 309 is fixedly connected to the outer sidewall of the silicon steel sheet 2, the second housing 309 corresponds to the first housing 301, the first housing 301 and the second housing 309 are rectangular, and preferably form a whole with the magnetic lock body 1 and the silicon steel sheet 2, so as to ensure the beauty of the equipment and facilitate installation.

Specifically, as shown in fig. 1, the first casing 301 is provided with first through holes 302 in an up-down symmetrical manner near the side wall of the second casing 309, the second casing 309 is provided with second through holes 310 at positions corresponding to the first through holes 302, that is, the first through holes 302 for searching books and the second through holes 310 are arranged oppositely, the inner side wall of the first casing 301 is provided with a connecting rod 303, the connecting rod 303 is parallel to the center axis between the two first through holes 302, the side wall of the connecting rod 303 is provided with an annular groove 304, the side wall of the annular groove 304 is rotatably connected with a sleeve 305, the sleeve 305 is positioned by the annular groove 304, the sleeve 305 can rotate around the center axis of the connecting rod 303, the outer side wall of the sleeve 305 is fixedly connected with one end of a vertical rod 306, the other end of the vertical rod 306 is fixedly connected with an arc-shaped rod 307, the arc-shaped rod 307 passes through the first through holes 302, the arc-shaped rod 307 locks the first casing 301 and the second casing 309, as shown in fig. 2, when the vertical rod 306 rotates to the other end, the arc-shaped rod 307 can move along with the vertical rod 306, so as to leave the first through hole 302 and the second through hole 310, a torsion spring is arranged between the sleeve 305 and the connecting rod 303, the torsion spring enables the vertical rod 306 to drive the arc-shaped rod 307 to pass through the first through hole 302 and the second through hole 310, so that the locking device 3 is locked, a first electromagnet 308 is fixedly connected to an inner surface of a side wall of the first casing 301, which is far away from one end of the connecting rod 303, when the vertical rod 306 rotates to the other end, that is, when the arc-shaped rod 307 leaves the first through hole 302 and the second through hole 310, the first electromagnet 308 can be adsorbed by the first electromagnet 308, and the magnetic lock body 1 is connected in parallel.

Particularly, as shown in fig. 3, the lateral wall of sleeve pipe 305 is equipped with tooth 5, the lateral wall of first casing 301 rotates and is connected with dwang 6, dwang 6 is located the inside of first casing 301, and can the lateral wall internal rotation of first casing 301, dwang 6 is located the inside one end fixedly connected with gear 7 of first casing 301, gear 7 with tooth 5 meshes, when rotating during dwang 6, can drive montant 306 rotates to at the device outage, montant 306 rotates the back under the torsional spring effect, the accessible rotates dwang 6 makes montant 306 resets.

Particularly, dwang 6 is kept away from the one end terminal surface of gear 7 is equipped with rotation groove 4, rotation groove 4 can be for calling special shape, still need the supporting lug that is equipped with the same shape as corollary equipment, rotates at needs during dwang 6, can insert the lug rotate in the rotation groove 4 dwang 6.

The working principle is as follows: the utility model discloses during the use, because locking device 3 keeps parallelly connected with magnetic lock body 1, when external power supply lasts the power supply, magnetic lock body 1 keeps normal operating condition, and first electro-magnet 308 produces magnetic force, thereby will montant 306 adsorbs, arc pole 307 is located in first casing 301, and when the unexpected outage of external power supply, first electro-magnet 308 magnetic force disappears, montant 306 is rotatory under the torsional spring effect, thereby drives arc pole 307 rotates, passes first through-hole 302 with second through-hole 310 to lock the door, make the device keep closing when the unexpected outage, guarantee safety.

Example 2

Referring to fig. 4-6, the present embodiment is different from embodiment 1 in that: as shown in fig. 4, a through slot 311 is disposed on a side wall of the first housing 301 close to the second housing 309, a locking pin 312 is disposed on an outer surface of the second housing 309 corresponding to the through slot 311, when the door is closed, the locking pin 312 enters the first housing 301 through the through slot 311, a locking hole 313 is disposed on an end surface of the locking pin 312, as shown in fig. 5, a sleeve 314 is disposed on an inner side wall of the first housing 301, a locking rod 315 is inserted into an inner side wall of the sleeve 314, the locking rod 315 is slidable on the inner side wall of the sleeve 314, the locking rod 315 is inserted into the locking hole 313, a second electromagnet 316 is disposed on an inner wall of the sleeve 314 away from the locking rod 315, a spring 317 is disposed between the second electromagnet 316 and the locking rod 315, the spring 317 makes the locking rod 315 located at a locking position, and when the second electromagnet 316 is powered on, the locking rod 315 is attracted and compresses the spring 317, and when the power is cut off, the locking rod 315 enters the locking hole 313 under the action of the spring 317, and the device is locked.

Specifically, as shown in fig. 6, an end of the locking lever 315 away from the sleeve 314 is provided with a slope, when the device is powered off when the door is opened, the locking lever 315 is in a locking position, and when the device is closed, the locking pin 312 can contact the slope, so that the locking lever 315 compresses the spring 317, and thus when the door is completely closed, the locking pin 312 can enter the locking hole 313 to complete the locking.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a magnetic lock, includes magnetic lock body (1) and silicon steel sheet (2), magnetic lock body (1) fixed connection is at the surface of door plant, silicon steel sheet (2) fixed connection is at the surface of door frame, magnetic lock body (1) with the position of silicon steel sheet (2) is corresponding, its characterized in that: the magnetic lock is characterized by further comprising a locking device (3), wherein the locking device (3) is electrically connected with an external commercial power, and the locking device (3) is connected with the magnetic lock body (1) in parallel.

2. A magnetic lock as claimed in claim 1, wherein: the locking device (3) comprises a first shell (301) and a second shell (309), the first shell (301) is fixedly connected to the outer side wall of the magnetic lock body (1), the second shell (309) is fixedly connected to the outer side wall of the silicon steel sheet (2), and the second shell (309) corresponds to the first shell (301).

3. A magnetic lock as claimed in claim 2, wherein: the first through hole (302) is symmetrically arranged on the upper portion and the lower portion of the side wall, close to the second shell (309), of the first shell (301), the second shell (309) corresponds to the first through hole (302), the second through hole (310) is arranged on the position, close to the first through hole (302), of the second shell (301), the inner side wall of the first shell (301) is provided with a connecting rod (303), the connecting rod (303) is parallel to the center axis between the two first through holes (302), the side wall of the connecting rod (303) is provided with an annular groove (304), the side wall of the annular groove (304) is rotatably connected with a sleeve (305), the outer side wall of the sleeve (305) is fixedly connected with one end of a vertical rod (306), the other end of the vertical rod (306) is fixedly connected with an arc rod (307), the arc rod (307) respectively penetrates through the first through hole (302) and the second through hole (310), the inner surface of the side wall of one end, far away from the connecting rod (303), of the first shell (301) is fixedly connected with a first electromagnet (308), and the first electromagnet (308) is connected with the magnetic lock body (1) in parallel.

4. A magnetic lock according to claim 3, wherein: the lateral wall of sleeve pipe (305) is equipped with tooth (5), the lateral wall of first casing (301) rotates and is connected with dwang (6), dwang (6) are located the inside one end fixedly connected with gear (7) of first casing (301), gear (7) with tooth (5) meshing.

5. A magnetic lock according to claim 4, wherein: the rotating rod (6) is far away from one end face of the gear (7) and is provided with a rotating groove (4).

6. A magnetic lock as claimed in claim 2, wherein: the side wall of one side, close to the second shell (309), of the first shell (301) is provided with a through groove (311), the outer surface of the second shell (309) is provided with a locking pin (312) at a position corresponding to the through groove (311), the end face of the locking pin (312) is provided with a locking hole (313), the inner side wall of the first shell (301) is provided with a sleeve (314), the inner side wall of the sleeve (314) is inserted with a locking rod (315), the locking rod (315) is inserted into the locking hole (313), the position, far away from the locking rod (315), of the inner wall of the sleeve (314) is provided with a second electromagnet (316), and a spring (317) is arranged between the second electromagnet (316) and the locking rod (315).

7. A magnetic lock according to claim 6, wherein: an inclined surface is arranged at one end, away from the sleeve (314), of the locking rod (315).