CN216788066U

CN216788066U - Novel magnetic lock

Info

Publication number: CN216788066U
Application number: CN202122629257.1U
Authority: CN
Inventors: 刘宇
Original assignee: Zhongshan Tiedun Lock Industry Co ltd
Current assignee: Zhongshan Tiedun Lock Industry Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-06-21
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a novel magnetic lock, which comprises a lock body component and an adsorption component, wherein the lock body component comprises a lock body shell, the end part of the lock body shell is provided with a lock lug, the adsorption component comprises an inclined tongue shell, and an inclined tongue seat is arranged at the position of the inclined tongue shell corresponding to the lock lug, and the novel magnetic lock is characterized in that: the lock comprises a lock body shell and is characterized in that a sliding rod is arranged in the latch bolt seat, a latch bolt assembly is arranged at the outer end of the sliding rod, a latch bolt spring is arranged between the latch bolt assembly and the latch bolt seat, a locking mechanism capable of limiting the sliding rod to move inwards is arranged on the latch bolt shell on the inner side of the sliding rod, and a magnetic suction mechanism capable of driving the locking mechanism is arranged at the corresponding position of the lock body shell and the locking mechanism. The utility model can control the magnetic attraction mechanism to be electrified and the adsorption locking mechanism to move, thereby preventing the sliding rod from moving inwards to play a role of theft prevention, realizing automatic unlocking under the condition of power failure, and being suitable for being used on escape doors and fireproof doors.

Description

Novel magnetic lock

Technical Field

The utility model relates to the field of locks, in particular to a novel magnetic lock.

Background

The electric control magnetic lock is applied to the escape door, has the functions of theft prevention and escape, and has been applied in the field of entrance guard for decades, so the electric control magnetic lock has the status of being not worn out in the aspect of safety prevention. The existing electric control magnetic lock is normally powered on and locked, and is powered off and unlocked in case of fire, emergency or access management.

The magnetic lock is locked through magnetic force, and magnetic force has the upper limit, and the pulling force size F of magnetic lock is K AT, and A is the electric current here, and T is the number of turns, and when the external force of exerting is greater than magnetic force, the lock will be given and push away, or under the not enough condition of electric current, the magnetic force of production is not enough, and the lock just can be opened as long as gently pushing away, consequently does not play the effect of security protection.

Therefore, the existing magnetic lock is to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a novel magnetic lock which can ensure that the lock is effectively locked in a power-on state, so that the requirement on current is effectively reduced, the stability is improved, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel magnetic lock, including lock body subassembly and adsorption component, the lock body subassembly is including the lock body shell be equipped with the lock ear on the lock body shell tip, adsorption component is including oblique tongue shell be equipped with oblique tongue seat, its characterized in that on oblique tongue shell and the corresponding position of lock ear: the lock comprises a lock body shell and is characterized in that a sliding rod is arranged in the latch bolt seat, a latch bolt assembly is arranged at the outer end of the sliding rod, a latch bolt spring is arranged between the latch bolt assembly and the latch bolt seat, a locking mechanism capable of limiting the sliding rod to move inwards is arranged on the latch bolt shell on the inner side of the sliding rod, and a magnetic suction mechanism capable of driving the locking mechanism is arranged at the corresponding position of the lock body shell and the locking mechanism. The magnetic attraction mechanism is controlled to be electrified, the adsorption locking mechanism moves, so that the sliding rod can be prevented from moving to the inner side, the anti-theft effect is achieved, automatic unlocking can be achieved under the condition of power failure, and the anti-theft door is suitable for being used on escape doors and fireproof doors.

As another improvement of the novel magnetic lock, the locking mechanism comprises a guide post arranged on the oblique tongue shell, a sliding seat is sleeved on the guide post, a magnetic suction plate is arranged on one surface of the sliding seat facing the lock body shell, a blocking part is arranged at the position of the end part of the sliding seat corresponding to the sliding rod, and a return spring capable of driving the sliding seat to return is arranged between the oblique tongue shell and the sliding seat. When the lock body assembly and the adsorption assembly are separated or the magnetic attraction mechanism is in a power-off state, the magnetic attraction plate and the stopping plate are positioned at the highest positions under the action of the reset spring, and at the moment, the sliding rod can move inwards, so that the lock body assembly and the adsorption assembly are unlocked mutually.

As another improvement of the novel magnetic lock, a mounting hole which is convenient for mounting the latch bolt shell on the door panel is arranged in the guide column. Through screw in the mounting hole, can effectively install oblique tongue shell on the door plant, not only firm in connection effectively improves the stability of guide post moreover.

As another improvement of the novel magnetic lock, the latch bolt assembly comprises a latch bolt mounting seat, the inner end of the latch bolt mounting seat is fixedly arranged on the sliding rod, a first latch bolt capable of driving the sliding rod to move inwards when the adsorption assembly is locked to the lock body assembly is arranged on one side of the outer end of the latch bolt mounting seat, and a second latch bolt capable of driving the sliding rod to move inwards when the adsorption assembly is separated from the lock body assembly is arranged on the other side of the outer end of the latch bolt mounting seat. The first oblique bolt and the second oblique bolt are matched with each other, so that the abrasion of the oblique bolt and the lock lug in the opening and closing process is effectively reduced, and the service life is prolonged.

As another improvement of the novel magnetic lock, the first oblique tongue comprises a first oblique tongue body hinged on one side of the outer end of the oblique tongue mounting seat, a first driving head is arranged on the outer end of the first oblique tongue body, a first limit lug is arranged on one side of the inner end of the first oblique tongue body, when the first limit lug abuts on the inner wall of the outer end of the oblique tongue shell, the lower end face of the first driving head is parallel to the upper end face of the oblique tongue shell, the second oblique tongue comprises a second oblique tongue body hinged on one side of the outer end of the oblique tongue mounting seat, a second driving head is arranged on the outer end of the second oblique tongue body, a second limit lug is arranged on one side of the inner end of the second oblique tongue body, and when the second limit lug abuts on the inner wall of the outer end of the oblique tongue shell, the upper end face of the second driving head is parallel to the upper end face of the oblique tongue shell.

As another improvement of the novel magnetic lock, the latch bolt assembly comprises a U-shaped mounting seat, the outer wall of the bottom of the U-shaped mounting seat is fixedly arranged on the sliding rod, and a roller is arranged in an opening of the U-shaped mounting seat through a rotating shaft.

As another improvement of the novel magnetic lock, the latch bolt assembly comprises a latch bolt seat body, the inner end surface of the latch bolt seat body is fixedly arranged on the sliding rod, and the upper surface and the lower surface of the upper end of the latch bolt seat body are respectively provided with an inclined surface.

As another improvement of the novel magnetic lock, the magnetic attraction mechanism comprises a slot hole arranged in the corresponding position of the lock body shell and the magnetic attraction plate, and an electromagnet is arranged in the slot hole.

As another improvement of the novel magnetic lock, the magnetic attraction mechanism comprises two slotted holes arranged at intervals in the corresponding positions of the lock body shell and the magnetic attraction plate, and an electromagnet is respectively arranged in each slotted hole.

As another improvement of the novel magnetic lock, a microswitch is arranged on the corresponding position of the lock body shell and the magnetic attraction plate and is connected with the electromagnet.

As another improvement of the novel magnetic lock, an end cover is arranged on the outer side of the lock lug.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can ensure that the lock is effectively locked in the power-on state, thereby effectively reducing the requirement on current and improving the stability.

Drawings

Fig. 1 is a perspective view of the locked state of the present invention.

Fig. 2 is a perspective view illustrating an unlocked state of the present invention.

FIG. 3 is a side view of the present invention.

Fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 3.

FIG. 5 is a schematic view of the internal structure of the adsorption module of the present invention.

Figure 6 is a schematic view of the internal structure of the lock body assembly of the present invention.

FIG. 7 is a perspective view of the first skew tongue of the present invention.

Fig. 8 is a perspective view of a second latch tongue of the present invention.

FIG. 9 is a schematic view of a second embodiment of the latch assembly of the present invention.

FIG. 10 is a schematic view of a third embodiment of the latch assembly of the present invention.

FIG. 11 is a diagram of a magnetic attraction mechanism according to a first embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 11, the novel magnetic lock of the present invention includes a lock body assembly 1 and an adsorption assembly 2, wherein the lock body assembly 1 includes a lock body housing 11, a lock lug 12 is disposed on an end portion of the lock body housing 11, the adsorption assembly 2 includes an oblique tongue housing 21, an oblique tongue seat 22 is disposed at a position of the oblique tongue housing 21 corresponding to the lock lug 12, a sliding rod 23 is disposed in the oblique tongue seat 22, an oblique tongue assembly 24 is disposed at an outer end of the sliding rod 23, an oblique tongue spring 25 is disposed between the oblique tongue assembly 24 and the oblique tongue seat 22, a locking mechanism 3 capable of limiting the sliding rod 23 from moving inward is disposed on the oblique tongue housing 21 at an inner side of the sliding rod 23, and a magnetic attraction mechanism 4 capable of driving the locking mechanism 3 is disposed at a position of the lock body housing 11 corresponding to the locking mechanism 3. According to the utility model, after the lock body assembly 1 and the adsorption assembly 2 are locked, the latch bolt assembly 24 of the adsorption assembly 2 can extend into the lock lug 12 under the action of the latch bolt spring 25, and when the magnetic attraction mechanism 4 is controlled to be electrified, the locking mechanism 3 moves to block the sliding rod 23 from moving inwards, so that the anti-theft effect is achieved, and in the case of power failure, automatic unlocking can be realized, so that the anti-theft lock is suitable for being used on escape doors and fireproof doors.

In one embodiment of the present invention, a lock lug 12 is provided on only one end of the lock body housing 11, and in accordance with this, a latch bolt assembly 24 and a locking mechanism 3 are provided on the latch bolt housing 21, and a magnetic attraction mechanism 4 is provided on the lock body housing 11.

In another embodiment of the present invention, two ends of the lock body housing 11 are respectively and symmetrically provided with a lock lug 12, and correspondingly, two ends of the latch bolt housing 21 are respectively provided with a latch bolt assembly 24, and the locking mechanism 3 can simultaneously lock the left latch bolt assembly 24 and the right latch bolt assembly 24.

The locking mechanism 3 comprises a guide post 31 arranged on the oblique tongue shell 21, a sliding seat 32 is sleeved on the guide post 31, a magnetic suction plate 33 is arranged on one surface of the sliding seat 32 facing the lock body shell 11, a blocking part 34 is arranged at the position of the end part of the sliding seat 32 corresponding to the sliding rod 23, and a return spring 35 capable of driving the sliding seat 32 to return is arranged between the oblique tongue shell 21 and the sliding seat 32.

The oblique tongue shell 21 comprises an oblique tongue shell 211, baffle plates 212 are respectively arranged at two ends of the oblique tongue shell 211, a through hole 213 is arranged in the middle of the baffle plate 212, the sliding rod 23 is movably arranged in the through hole 213, the oblique tongue spring 25 is sleeved on the outer wall of the sliding rod 23 between the oblique tongue seat 22 and the baffle plate 212, a slotted hole 214 is arranged on the end surface of the oblique tongue shell 211, and the oblique tongue component 24 is movably arranged in the slotted hole 214.

In the utility model, the guide column 31 is arranged on the middle part of the latch bolt outer shell 211, the lower end of the guide column 31 is movably sleeved with a limit plate 311, the front side and the rear side of the limit plate 311 are respectively connected to the latch bolt outer shell 211 through adjusting bolts 312, a stop plate 313 is sleeved on the guide column 31 between the limit plate 311 and the latch bolt outer shell 211, and a abdicating notch 314 is arranged at the corresponding position of the stop plate 313 and the adjusting bolts 312; magnetic suction plate 33 is connected on the terminal surface under ending fixed plate 313 through spliced pole 315, and wherein spliced pole 315 is 4, and the equipartition is on magnetic suction plate 33's suitable position be provided with the hole of stepping down 316 on ending fixed plate 313 be equipped with spring post 317 on oblique tongue shell 211 and the corresponding position in hole of stepping down 316 spring post 317 lower extreme is equipped with spacing end 318, reset spring 35 cover is established on the spring post 317 outer wall between spacing end 318 and oblique tongue shell 211 be equipped with the slotted hole 319 of stepping down on magnetic suction plate 33 and the corresponding position of spacing end 318 be equipped with the centre bore 320 of stepping down on magnetic suction plate 33 and the corresponding position of guide post 31, can adjust the stroke of ending fixed plate 313 through adjusting bolt 312. Thereby changing the attraction force between the magnetic attraction plate 33 and the magnetic attraction mechanism 4. In the utility model, when the lock body assembly 1 and the adsorption assembly 2 are separated, or the magnetic attraction mechanism 4 is in a power-off state, the magnetic attraction plate 33 and the stopping plate 313 are at the highest positions under the action of the return spring 35, and at the moment, the sliding rod 23 can move inwards, so that the lock body assembly 1 and the adsorption assembly 2 are unlocked mutually. Under the action of the guide column 31, the spring column 317 and the adjusting bolt 312, the movement of the stop plate 313 and the magnetic attraction plate 33 is more stable.

In the present invention, the guide post 31 is provided with a mounting hole 36 for mounting the oblique tongue shell 21 on the door panel. In the present invention, the latch bolt housing 211 on both sides of the mounting hole 36 is provided with a mounting hole 37.

As shown in fig. 2, 4, 5, 7 and 8, in the first embodiment of the latch bolt assembly 24 according to the present invention, the latch bolt assembly 24 includes a latch bolt mounting seat 241, an inner end of the latch bolt mounting seat 241 is fixedly disposed on the sliding rod 23, a first latch bolt 242 capable of driving the sliding rod 23 to move inward when the absorption assembly 2 is locked to the lock body assembly 1 is disposed on one side of an outer end of the latch bolt mounting seat 241, and a second latch bolt 243 capable of driving the sliding rod 23 to move inward when the absorption assembly 2 is separated from the lock body assembly 1 is disposed on the other side of the outer end of the latch bolt mounting seat 241.

According to the utility model, the first oblique tongue 242 comprises a first oblique tongue body 2421 hinged on one side of the outer end of the oblique tongue mounting seat 241, a first driving head 2422 is arranged on the outer end of the first oblique tongue body 2421, a first limit bump 2423 is arranged on one side of the inner end of the first oblique tongue body 2421, when the first limit bump 2423 abuts against the inner wall of the outer end of the oblique tongue shell 21, the lower end surface of the first driving head 2422 is parallel to the upper end surface of the oblique tongue shell 21, the second oblique tongue 243 comprises a second oblique tongue body 2431 hinged on one side of the outer end of the oblique tongue mounting seat 241, a second driving head 2432 is arranged on the outer end of the second oblique tongue body 2431, a second limit bump 2433 is arranged on one side of the inner end of the second oblique tongue body 2431, and when the second limit bump 2433 abuts against the inner wall of the oblique tongue shell 21, the upper end surface of the second driving head 2432 is parallel to the upper end surface of the oblique tongue shell 21.

In the locking process of the adsorption component 2 and the lock body component 1, the lower end surface of the first driving head 2422 and the upper end surface of the lock lug 12 are mutually extruded, the first driving head 2422 drives the first latch bolt body 2421 to rotate upwards, meanwhile, the sliding rod 23 moves inwards, so that the first driving head 2422 crosses the upper end surface of the lock lug 12, and after the first driving head 2422 enters the interior of the lock lug 12, the first driving head 2422 moves outwards under the action of the latch bolt spring 25, so that the locking is completed; when the adsorption assembly 2 and the lock body assembly 1 are unlocked, the upper end surface of the second driving head 2432 and the lower end surface of the lock lug 12 are pressed against each other, the second driving head 2432 drives the second latch bolt body 2431 to rotate downwards, meanwhile, the sliding rod 23 moves inwards, so that the second driving head 2432 passes over the lower end surface of the lock lug 12, and after the second driving head 2432 is separated from the lock lug 12, the latch bolt assembly 24 is reset outwards under the action of the latch bolt spring 25. In the embodiment, the first latch bolt 242 and the second latch bolt 243 are matched with each other, so that the abrasion of the latch bolt and the lock lug in the opening and closing process is effectively reduced, and the service life is prolonged.

In a second embodiment of the latch bolt assembly 24 according to the present invention, as shown in fig. 9, the latch bolt assembly 24 includes a U-shaped mounting seat 2401, an outer wall of a bottom of the U-shaped mounting seat 2401 is fixedly disposed on the sliding rod 23, and a roller 2402 is disposed in an opening of the U-shaped mounting seat 2401 through a rotating shaft.

As shown in fig. 10, in the third embodiment of the latch bolt assembly 24 according to the present invention, the latch bolt assembly 24 includes a latch bolt seat body 2403, an inner end surface of the latch bolt seat body 2403 is fixedly disposed on the sliding rod 23, and inclined surfaces 2404 are respectively disposed on an upper surface and a lower surface of an upper end of the latch bolt seat body 2403.

As shown in fig. 10, in the first embodiment of the magnetic attraction mechanism 4 according to the present invention, the magnetic attraction mechanism 4 includes a slot 41 disposed in the lock body case 11 and the magnetic attraction plate 33, and an electromagnet 42 is disposed in the slot 41.

As shown in fig. 4 and 6, in a second embodiment of the magnetic attraction mechanism 4 according to the present invention, the magnetic attraction mechanism 4 includes two slots 41 disposed at intervals in corresponding positions of the lock body housing 11 and the magnetic attraction plate 33, and an electromagnet 42 is disposed in each of the slots 41.

In the utility model, a microswitch 43 is arranged at the corresponding position of the lock body shell 11 and the magnetic attraction plate 33, and the microswitch 43 is connected with the electromagnet 42. When the magnetic attraction plate 33 contacts with the electromagnet 42, the microswitch 43 is triggered, so that the electromagnet 42 is driven to be electrified.

The end cover 5 is arranged on the outer side of the lock lug 12. The end cover 5 not only can play a role in decoration, but also can effectively prevent sundries such as wood chips of the door plate from entering the latch bolt assembly 24, and the using effect is ensured.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel magnetic lock, including lock body subassembly (1) and adsorption component (2), lock body subassembly (1) is including lock body shell (11) be equipped with lock ear (12) on lock body shell (11) tip, adsorption component (2) are including oblique tongue shell (21) be equipped with oblique tongue seat (22) on oblique tongue shell (21) and the corresponding position of lock ear (12), its characterized in that: be equipped with slide bar (23) in oblique tongue seat (22) be equipped with oblique tongue subassembly (24) on slide bar (23) outer end be equipped with oblique tongue spring (25) between oblique tongue subassembly (24) and oblique tongue seat (22) be equipped with on oblique tongue shell (21) of slide bar (23) inboard can restrict slide bar (23) locking mechanism (3) that move to the inboard lock body shell (11) and locking mechanism (3) corresponding position are equipped with and can drive locking mechanism (3) inhale mechanism (4).

2. A novel magnetic lock as claimed in claim 1, wherein: locking mechanism (3) are including setting up guide post (31) on oblique tongue shell (21) the cover is equipped with sliding seat (32) on guide post (31) sliding seat (32) are equipped with magnetism suction disc (33) towards the one side of lock body shell (11) sliding seat (32) tip is equipped with stop part (34) with the corresponding position of slide bar (23) be equipped with between oblique tongue shell (21) and sliding seat (32) and order about reset spring (35) that sliding seat (32) reset.

3. A novel magnetic lock as claimed in claim 2, wherein: and a mounting hole (36) for mounting the oblique tongue shell (21) on the door panel is formed in the guide column (31).

4. A novel magnetic lock as claimed in claim 1, wherein: oblique tongue subassembly (24) is including oblique tongue mount pad (241), oblique tongue mount pad (241) inner is fixed to be set up on slide bar (23) be equipped with on oblique tongue mount pad (241) outer end one side and can order about slide bar (23) to first oblique tongue (242) that move to the inboard when adsorption component (2) lock to lock body subassembly (1) be equipped with on oblique tongue mount pad (241) outer end opposite side and can order about second oblique tongue (243) that slide bar (23) moved to the inboard when adsorption component (2) separate relatively lock body subassembly (1).

5. A novel magnetic lock as claimed in claim 4, wherein: the first oblique tongue (242) comprises a first oblique tongue body (2421) hinged on one side of the outer end of the oblique tongue mounting seat (241), a first driving head (2422) is arranged at the outer end of the first oblique tongue body (2421), a first limiting lug (2423) is arranged on one side of the inner end of the first oblique tongue body (2421), when the first limiting lug (2423) abuts against the inner wall of the outer end of the oblique tongue shell (21), the lower end face of the first driving head (2422) is parallel to the upper end face of the oblique tongue shell (21), the second oblique tongue (243) comprises a second oblique tongue body (2431) hinged on one side of the outer end of the oblique tongue mounting seat (241), a second driving head (2432) is arranged at the outer end of the second oblique tongue body (2431), a second limiting lug (2433) is arranged on one side of the inner end of the second oblique tongue body (2431), and when the second limiting lug (2433) abuts against the inner wall of the outer end of the oblique tongue shell (21), the upper end surface of the second driving head (2432) is parallel to the upper end surface of the inclined tongue shell (21).

6. A novel magnetic lock as claimed in claim 1, wherein: the latch bolt assembly (24) comprises a U-shaped mounting seat (2401), the outer wall of the bottom of the U-shaped mounting seat (2401) is fixedly arranged on the sliding rod (23), and an opening of the U-shaped mounting seat (2401) is internally provided with a roller (2402) through a rotating shaft.

7. A novel magnetic lock as claimed in claim 1, wherein: the latch bolt component (24) comprises a latch bolt seat body (2403), the inner end face of the latch bolt seat body (2403) is fixedly arranged on the sliding rod (23), and the upper surface and the lower surface of the upper end of the latch bolt seat body (2403) are respectively provided with an inclined plane (2404).

8. A novel magnetic lock as claimed in claim 2, wherein: the magnetic attraction mechanism (4) comprises a slotted hole (41) arranged in the corresponding position of the lock body shell (11) and the magnetic attraction plate (33), and an electromagnet (42) is arranged in the slotted hole (41).

9. A novel magnetic lock as claimed in claim 8, wherein: magnetism inhale mechanism (4) include lock body shell (11) with two slotted holes (41) that the interval set up in magnetism suction disc (33) relevant position, every be equipped with electro-magnet (42) in slotted hole (41) respectively.

10. A novel magnetic lock as claimed in claim 9, wherein: and a microswitch (43) is arranged at the corresponding position of the lock body shell (11) and the magnetic suction plate (33), and the microswitch (43) is connected with the electromagnet (42).