CN211038125U - Magnetic reverse lifting door lock - Google Patents

Abstract

The application provides a magnetic anti-lift door lock, comprising: a lock catch and a lock body, the lock body includes a housing cover, a lock cylinder and a lock tongue rotatably arranged at the front end of the housing cover, wherein the lock body further It includes a center runner and a toggle assembly that are rotatably arranged in the housing cover, an A reversing gear is fixedly arranged on the upper surface of the center runner, and a B reversing gear is slidably arranged on the lower surface of the center runner, so The toggle assembly includes an A toggle member and a B toggle member, and the A toggle member is engaged with the A reversing gear to drive the central runner to rotate to achieve unlocking or locking; the B reversing gear slides When it is engaged with the B toggle member, the center wheel is driven to rotate to realize unlocking or locking, and when the B reversing gear slides to a distance from the B toggle member, the center wheel cannot be driven to rotate to realize unlocking. or locked. The magnetic anti-lift door lock provided by the present application is convenient for realizing quick door opening, and can open the door lock in one step and escape quickly indoors.

Description

A magnetic anti-lift door lock

technical field

The utility model relates to a door lock, in particular to a magnetic reverse lift door lock.

Background technique

With the improvement of living standards, people also put forward higher requirements for the practicability of door locks. At present, most of the escape locks on the market have a single performance. In a critical moment, although the linkage function of the door handle can be used to quickly rotate the handle in the door body to make the latch bolt Retract to open the door to escape, but when the door is locked, it is difficult to quickly open the door from the room. It is often necessary to further open the safety latch before the door can be further opened from the room, especially for children who misuse the door handle button in the room to open the door quickly. Added obstacles.

Utility model content

The purpose of the utility model is to provide a magnetic anti-lift door lock, which is convenient for realizing quick door opening, and can open the door lock in one step and escape quickly indoors.

In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions:

A magnetic anti-lift door lock, comprising: a lock catch and a lock body, the lock body includes a housing cover, a lock cylinder and a lock tongue rotatably arranged at the front end of the housing cover, wherein the lock body also includes a rotatable arrangement on the A reversing gear A is fixedly arranged on the upper surface of the central revolving wheel and a reversing gear B is slidably arranged on the lower surface of the central revolving wheel in the center runner and the toggle assembly in the housing cover. It includes an A toggle piece and a B toggle piece, the A toggle piece is engaged with the A reversing gear to drive the central runner to rotate to achieve unlocking or locking; the B reversing gear slides to be in contact with the When the B toggle member is engaged, the central wheel is driven to rotate to realize unlocking or locking. When the B reversing gear slides to a distance from the B toggle member, the central wheel cannot be driven to rotate to realize unlocking or locking.

Further, the center of the center runner has a center hole, the center hole is sleeved on the fixed column on the inner wall of the housing cover, and the centers of the A reversing gear and the B reversing gear are provided with. The waist-shaped hole is sleeved on the fixing column, and the A reversing gear is connected to the upper surface of the central runner through reversing screws.

Further, a reversing pin extending to the lower surface of the central runner is provided through the center runner, and the stepped surface of the edge of the B reversing gear is resisted on the reversing pin to realize the B Rotation limit of the reversing gear.

Further, the upper and lower surfaces of the central runner both have a first circular arc convex ridge and a second circular arc convex ridge, and the stepped surface of the edge of the A reversing gear is against one end of the second circular arc convex ridge. .

Further, the A toggle member is rotatably arranged on the surface of the B toggle member, and the A toothed portion at one end of the A toggle member meshes with the gear portion at one end of the A reversing gear. The B tooth-shaped part at one end of the toggle piece meshes with or separates from the gear part at one end of the B reversing gear.

Further, the anti-lift door lock also includes an anti-lock assembly, the anti-lock assembly includes a pull rod and an anti-lock plate, the anti-lock plate is pivotally connected to the connecting column in the housing cover, and the pull rod is movably arranged on the anti-lock plate. On the lower side, the anti-lock tooth portion on the outer circumference of the anti-lock plate and the tooth groove portion on the pull rod are engaged with each other.

Further, the upper side of the anti-locking plate has an upper protruding rod portion, and the upper protruding rod portion resists the side surface of the lower protruding teeth on the lower side of the central runner to realize anti-locking.

Further, lugs are provided on both sides of the tie rod, one lug resists the side surface of the A toothed portion, and the other lugs abuts on the side surface of the B toothed portion, so that the said Rotation limit of toggle assembly.

Further, a first hook tooth and a second hook tooth are alternately arranged on the edge of the central runner, the first hook tooth and the locking hook at the rear end of the lock tongue are hooked to each other to achieve locking, and the second hook The teeth abut on the rear side of the locking hook to achieve unlocking.

Further, the front end of the second hook tooth is also connected with a first torsion spring, one end of the first torsion spring is connected to the front end of the second hook tooth, and the other end of the first torsion spring is connected to the on the mounting post in the housing cover.

As can be seen from the above technical solutions, the utility model has the following beneficial effects:

Because of the magnetic reverse lift door lock provided by the utility model, when the outer door handle is lifted back, the outer door handle cannot be used for normal unlocking, and the key can be used to unlock the door, and the inner door handle can also be quickly unlocked, so it is convenient to quickly unlock and escape, and can Effectively avoid indoor children's misoperation, resulting in the phenomenon that the door lock is locked and children cannot go out, and avoids potential safety hazards.

The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative efforts.

Figure 1 is a schematic structural diagram of the utility model.

Figure 2 is a schematic diagram of the explosion structure of the present invention.

3 is a schematic structural diagram of the lock tongue of the present invention.

FIG. 4 is a partial structural schematic diagram of FIG. 1 of the present invention.

FIG. 5 is a schematic structural diagram of the center runner and the reversing gear of the present invention.

6 is a schematic structural diagram of the toggle assembly of the present invention.

FIG. 7 is a schematic structural diagram of the anti-lock assembly of the present invention.

8 is a schematic structural diagram of the B toggle member of the present invention.

FIG. 9 is a schematic view of the structure of the A toggle member of the present invention.

FIG. 10 is a schematic diagram of the installation structure of the B reversing gear of the present invention.

11 is a schematic diagram of the installation structure of the A reversing gear of the present invention.

Description of reference numerals: lock buckle-1, locking tongue-2, locking hook-21, magnet-22, A reversing gear-3a, B reversing gear-3b, waist-shaped hole-31, step surface-32, gear Part-33, first torsion spring-4, anti-lock assembly-5, pull rod-51, lug-511, tooth groove part-512, anti-lock plate-52, upper protruding rod part-521, anti-lock tooth part-522, washer -53, center runner-6, first hook tooth-61, second hook tooth-62, first arc convex flute-63, second arc convex flute-64, reversing pin-65, center hole- 66. Rotating column-67, lower convex tooth-68, toggle assembly-7, second torsion spring-71, A toggle-73, A toothed part-731, A rotating part-732, B toggle -74, B toothed part-741, B rotating part-742, housing cover-10, panel-11, fixing column-17, connecting column-18, mounting column-19, magnetic spring-12, reversing screw-69 .

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

The present application will be further described below with reference to FIGS. 1 to 11. As shown in FIGS. 1 and 2, a magnetic reverse lift door lock includes: a lock catch 1 and a lock body, and the lock body includes a housing cover 10, a lock cylinder And the lock tongue 2 arranged in the front end of the housing cover 10, the lock body also includes a center wheel 6 and a toggle assembly 7 arranged in the housing cover 10, as shown in Figure 2, Figure 4, Figure 7 8 and 9, the upper surface of the center wheel 6 is fixedly provided with an A reversing gear 3a, the lower surface of the center wheel 6 is slidably provided with a B reversing gear 3b, and the toggle assembly 7 It includes an A toggle member 73 and a B toggle member 74. The A toggle member 73 drives the center wheel 6 to rotate to achieve unlocking or locking by engaging with the A reversing gear 3a; the B reversing gear When 3b slides to engage with the B toggle member 74, it drives the center wheel 6 to rotate to realize unlocking or locking, and the B reversing gear 3b slides to the distance from the B toggle member 74 and cannot drive the B toggle member 74. The center wheel 6 rotates to realize unlocking or closing, but at this time, the A toggle member 73 drives the center wheel 6 to rotate by engaging with the A reversing gear 3a to realize quick unlocking, so as to escape quickly in the event of an emergency The magnetic anti-lift door lock provided by the utility model can effectively avoid the misoperation of children indoors, which leads to the phenomenon that the door lock is locked and the children cannot go out, and avoids potential safety hazards.

As shown in FIG. 1 and FIG. 6 , the A toggle member 73 is rotatably disposed on the surface of the B toggle member 74 . The B rotating parts 742 are arranged corresponding to each other, and a second torsion spring 71 is also arranged between the A rotating part 732 and the B rotating part 742 , and the second torsion spring 71 is used to realize the A toggle member 73 Rotation reset.

As shown in FIG. 1 and FIG. 5 , the center of the center runner 6 has a center hole 66 , the center hole 66 is sleeved on the fixing column 17 on the inner wall of the housing cover 10 , and the A reversing gear 3a is connected to the The structure of the B reversing gear 3b is the same. The center of the A reversing gear 3a and the B reversing gear 3b is provided with a waist-shaped hole 31 sleeved on the fixing column 17, and the A reversing gear 31 The reversing gear 3a is connected to the upper surface of the central runner 6 through a reversing screw 69, so that the A reversing gear 3a cannot slide relative to the central runner 6; the waist shape of the B reversing gear 3b The hole 31 can slide along the fixing column 17 so as to realize the relative sliding of the B reversing gear 3 b and the central runner 6 .

The center runner 6 is provided with a reversing pin 65 extending to the lower surface of the center runner 6, and the stepped surface 32 of the edge of the B reversing gear 3b is resisted on the reversing pin 65 to achieve the desired result. The rotation limit of the B reversing gear 3b.

As shown in FIG. 5 and FIG. 11 , the upper and lower surfaces of the center runner 6 both have a first arc ridge 63 and a second arc ridge 64, and the stepped surface 32 of the edge of the A-reversing gear 3a resists the One end of the second arc convex ridge 64 .

Specifically, the reversing pin 65 is located on the inner side of the second circular arc convex ridge 64 .

As shown in FIG. 8 , FIG. 9 , FIG. 10 and FIG. 11 , the A toothed portion 731 at one end of the A toggle member 73 meshes with the gear portion 33 at one end of the A reversing gear 3 a , and the B toggle The B toothed portion 741 at one end of the member 74 and the gear portion 33 at the other end of the B reversing gear 3b are meshed with or separated from each other.

The B toggle member 74 is engaged with the B reversing gear 3b to drive the center wheel 6 to rotate to realize unlocking or locking; The center wheel 6 cannot be driven to rotate to realize unlocking or locking.

As shown in FIG. 1 and FIG. 7 , the anti-lift door lock further includes an anti-lock assembly 5 , and the anti-lock assembly 5 includes a pull rod 51 and an anti-lock plate 52 , and the anti-lock plate 52 is pivotally connected to the connection in the housing cover 10 . On the column 18, the pull rod 51 is movably arranged on the lower side of the anti-lock plate 52, and the anti-lock tooth portion 522 on the outer circumference of the anti-lock plate 52 meshes with the tooth slot portion 512 on the pull rod 51. When the 52 rotates, the anti-locking teeth 522 push the pull rod 51 to move linearly.

Both sides of the pull rod 51 are provided with lugs 511 , one lug 511 abuts on the side of the A toothed portion 731 , and the other lugs 511 abuts on the side of the B toothed portion 741 to realize the dialing. the rotation limit of the moving assembly 7.

A washer 53 is also disposed between the anti-locking plate 52 and the connecting column 18 .

The upper side of the anti-locking plate 52 has an upper protruding rod portion 521 , and the upper protruding rod portion 521 resists the side surface of the lower protruding teeth 68 on the lower side of the center wheel 6 , thereby locking the center wheel 6 , to achieve the effect of door lock.

As shown in FIG. 1 , FIG. 3 and FIG. 4 , first hook teeth 61 and second hook teeth 62 are alternately provided on the edge of the center wheel 6 , the first hook teeth 61 and the rear end of the lock tongue 2 are The locking hooks 21 are hooked to each other to achieve locking, and the second hook teeth 62 resist the rear side of the locking hooks 21 to achieve unlocking.

As shown in FIG. 1 , the front end of the second hook tooth 62 is also connected with a first torsion spring 4 , and one end of the first torsion spring 4 is connected to the front end of the second hook tooth 62 . The other end of the spring 4 is connected to the mounting post 19 in the housing cover 10 .

As shown in FIG. 2 , FIG. 10 and FIG. 11 , the inner door handle is mounted on the inner side of the housing cover 10 , the outer door handle is mounted on the outer side of the housing cover 10 , and the inner door handle is connected to the A dial In the square hole in the center of the moving member 73, the outer door handle is connected in the square hole in the center of the B toggle member 74, so that rotating the inner door handle drives the A toggle member 73 to rotate, and the A toggle member 73 rotates. The A toothed part 731 of the A reversing gear 73 is meshed with the gear part 33 at one end of the A reversing gear 3a to drive the A reversing gear 3a to rotate; turning the outer door handle drives the B toggle member 74 to rotate, the B When the B toothed portion 741 of the toggle member 74 meshes with the gear portion 33 at one end of the B reversing gear 3b, the B reversing gear 3b is driven to rotate; the B toothed portion of the B toggle member 74 741 and the gear portion 33 at one end of the B reversing gear 3b, when the rotating outer door handle is turned, the B toggle member 74 cannot drive the B reversing gear 3b to rotate, and at this time , rotating the inner door handle to drive the A toggle member 73 to rotate, and the A toothed portion 731 of the A toggle member 73 is engaged with the gear portion 33 at one end of the A reversing gear 3a to drive the A reversing The rotation of the gear 3a drives the center wheel 6 to rotate, so that the lock tongue 2 is retracted to realize unlocking.

The front end of the housing cover 10 is connected with a panel 11 , the lock tongue 2 protrudes from the lock tongue on the panel 11 , the lock tongue 2 is also provided with a magnet 22 , and the magnet 22 is connected to the panel 11 . Magnetic repulsion for quick unlocking.

The housing cover 10 is also embedded with a magnetic spring 12. The magnetic spring 12 is located at the rotation center of the lock tongue 2 and is close to the magnet 22. When the magnet 22 on the lock tongue 2 rotates to one-way When the central position of the rotation path, the magnetic spring 12 generates a secondary thrust to realize the function of quick locking.

The magnetic anti-lift door lock provided by the utility model can be used as an escape lock, and can be unlocked both inside and outside, but when the outer door handle is lifted back, normal unlocking cannot be achieved through the outer door handle, and the key can be used to unlock, and the inner door handle can also be unlocked. It can be unlocked quickly; when the inner door handle is reversed, the inner door handle can still be unlocked by driving the center wheel 6 to rotate through the toggle assembly 7, and the key can also be unlocked; after locking the door with the key, The door can also be unlocked by operating the inner door handle, so it can effectively avoid the misoperation of children indoors, resulting in the phenomenon that the door lock is locked and children cannot go out, and avoids potential safety hazards.

The magnetic anti-lift door lock provided by the utility model is divided into a left door lock and a right door lock. It is a left door lock when it leaves the factory and can be easily converted into a right door lock. The A reversing gear 3a and the B reversing gear 3b achieve the purpose. Specifically, when the lock body is in the anti-lock state, remove the reversing screw 69 fixing the A reversing gear 3a, and move the A reversing gear 3a to the reverse direction. The direction close to the A toggle member 73 is moved forward, so that one end of the reversing pin 65 is exposed from the rear side of the A reversing gear 3a, and the stepped surface 32 of the A reversing gear 3a abuts against the rear side of the A reversing gear 3a. The side of the reversing pin 65, and then return the B reversing gear 3b away from the B toggle member 74, cover the other end of the reversing pin, and use reversing screws 69 to fix the B Reversing gear 3b, so as to achieve the purpose of converting the left door lock to the right door lock. On the contrary, it is a right door lock when it leaves the factory, and it can also be easily converted into a left door lock.

The thrust magnet rotates through the central magnetic spring to generate a secondary thrust, thereby achieving the locking ability. The unlocking principle is the same.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A magnetic bail latch comprising: the lock comprises a lock catch (1) and a lock body, wherein the lock body comprises a shell cover (10), a lock cylinder and a lock bolt (2) which is rotatably arranged at the front end of the shell cover (10), and is characterized by further comprising a central rotating wheel (6) and a toggle assembly (7) which are rotatably arranged in the shell cover (10), wherein an A reversing gear (3a) is fixedly arranged on the upper surface of the central rotating wheel (6), a B reversing gear (3B) is slidably arranged on the lower surface of the central rotating wheel (6), the toggle assembly (7) comprises an A toggle member (73) and a B toggle member (74), and the A toggle member (73) is meshed with the A reversing gear (3a) to drive the central rotating wheel (6) to rotate so as to realize unlocking or locking; the B reversing gear (3B) slides to be meshed with the B stirring piece (74) to drive the central rotating wheel (6) to rotate to realize unlocking or locking, and the B reversing gear (3B) slides to be separated from the B stirring piece (74) and cannot drive the central rotating wheel (6) to rotate to realize unlocking or locking.

2. The magnetic anti-lift door lock according to claim 1, wherein the center of the central rotating wheel (6) is provided with a center hole (66), the center hole (66) is sleeved on a fixed column (17) on the inner wall of the shell cover (10), the centers of the reversing gear A (3a) and the reversing gear B (3B) are respectively provided with a kidney-shaped hole (31) sleeved on the fixed column (17), and the reversing gear A (3a) is connected to the upper surface of the central rotating wheel (6) through a reversing screw (69).

3. The magnetic door lock with the reversed lift function according to claim 2, wherein a reversing pin (65) extending to the lower surface of the central rotating wheel (6) is arranged on the central rotating wheel (6) in a penetrating manner, and a step surface (32) on the edge of the B reversing gear (3B) abuts against the reversing pin (65) to realize the rotation limit of the B reversing gear (3B).

4. The magnetic door lock according to claim 3, characterized in that the upper and lower surfaces of the central rotating wheel (6) are provided with a first arc convex edge (63) and a second arc convex edge (64), and the step surface (32) of the edge of the reversing gear A (3a) is abutted against one end of the second arc convex edge (64).

5. The magnetic door lock according to claim 1, wherein the a-toggle member (73) is rotatably disposed on a surface of the B-toggle member (74), an a-tooth portion (731) at one end of the a-toggle member (73) is engaged with a gear portion (33) at one end of the a-reversing gear (3a), and a B-tooth portion (741) at one end of the B-toggle member (74) is engaged with or separated from the gear portion (33) at one end of the B-reversing gear (3B).

6. The magnetic door lock with reversed lift according to claim 5, characterized in that further comprises a reversed lock assembly (5), the reversed lock assembly (5) comprises a pull rod (51) and a reversed lock plate (52), the reversed lock plate (52) is pivoted on the connecting column (18) in the housing cover (10), the pull rod (51) is movably arranged at the lower side of the reversed lock plate (52), and the reversed lock teeth (522) on the periphery of the reversed lock plate (52) are meshed with the tooth groove part (512) on the pull rod (51).

7. The magnetic door strike according to claim 6, characterized in that the upper side of the strike plate (52) has an upper cam portion (521), the upper cam portion (521) abutting against the side of the lower cam (68) on the lower side of the central wheel (6) to effect strike.

8. The magnetic door lock according to claim 7, characterized in that the pull rod (51) is provided with lugs (511) on both sides, one lug (511) abuts against the side of the A-tooth (731) and the other lug (511) abuts against the side of the B-tooth (741) to limit the rotation of the toggle assembly (7).

9. The magnetic door lock with the reversed lift is characterized in that the edge of the central rotating wheel (6) is provided with a first hook tooth (61) and a second hook tooth (62) at intervals, the first hook tooth (61) is mutually hooked with a locking hook (21) at the rear end of the lock bolt (2) to realize locking, and the second hook tooth (62) is abutted against the rear side of the locking hook (21) to realize unlocking.

10. The magnetic door latch according to claim 9, characterized in that a first torsion spring (4) is connected to the front end of the second hook (62), one end of the first torsion spring (4) is connected to the front end of the second hook (62), and the other end of the first torsion spring (4) is connected to a mounting post (19) in the housing cover (10).

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