CN110344649A - A kind of magnetism is counter to mention door lock - Google Patents

Abstract

The application provides a magnetic anti-lift door lock, including: a lock catch and a lock body, the lock body includes a housing cover, a lock cylinder and a lock tongue that is rotatably arranged at the front end of the housing cover, wherein the lock body is also It includes a central runner and a toggle assembly that are rotatably arranged in the housing cover. A reversing gear is fixedly arranged on the upper surface of the central runner, and a B reversing gear is slidably arranged on the lower surface of the central runner. The toggle assembly includes an A toggle piece and a B toggle piece, the A toggle piece drives the center wheel to rotate by meshing with the A reversing gear to realize unlocking or locking; the B reversing gear slides Drive the central wheel to rotate to unlock or lock when it is engaged with the B toggle, and the B reversing gear cannot drive the center wheel to rotate when it is separated from the B toggle to unlock or close the lock. The magnetic anti-lift door lock provided by this application is convenient for quick door opening, and can open the door lock in one step indoors for quick escape.

Description

A magnetic anti-lift door lock

technical field

The invention relates to a door lock, in particular to a magnetic anti-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 single performance. 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 to further open the door from the room, especially for children who misuse the door handle button in the room to quickly open the door. Added hindrance.

Contents of the invention

The object of the present invention is to provide a magnetic anti-lift door lock, which is convenient to realize quick door opening, and can open the door lock in one step indoors and escape quickly.

In order to solve the above technical problems, the present invention provides the following technical solutions:

A magnetic anti-lift door lock, comprising: a lock catch and a lock body, the lock body includes a casing cover, a lock cylinder and a lock tongue that is rotatably arranged at the front end of the casing cover, wherein the lock body also includes a rotatably arranged For the center runner and the toggle assembly in the housing cover, the upper surface of the center runner is fixedly provided with an A reversing gear, and the lower surface of the center runner is slidably provided with a B reversing gear, and the toggle assembly It includes an A dial and a B dial. The A dial drives the center wheel to rotate by meshing with the A reversing gear to realize unlocking or locking; the B reversing gear slides to the When the B toggle is engaged, the center runner is driven to rotate to unlock or close the lock, and the B reversing gear cannot drive the center runner to rotate to unlock or lock when it slides away from the B toggle.

Further, the center of the center wheel has a center hole, and 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 fixed column, and the A reversing gear is connected to the upper surface of the central runner through a reversing screw.

Furthermore, a reversing pin extending to the lower surface of the central rotating wheel is penetrated through the central rotating wheel, and the stepped surface of the edge of the B reversing gear resists on the reversing pin to realize the B Rotation limit of reversing gear.

Furthermore, the upper and lower surfaces of the center wheel both have a first circular-arc corrugation and a second circular-arc corrugation, and the stepped surface of the edge of the A reversing gear is against one end of the second circular-arc corrugation .

Further, the A dial is rotatably arranged on the surface of the B dial, and the A tooth-shaped portion at one end of the A dial meshes with the gear portion at one end of the A reversing gear, and the B The B-toothed portion at one end of the toggle piece is in mesh with or separated from the gear portion at one end of the other 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 The lower side, and the anti-lock tooth portion on the outer periphery of the anti-lock plate and the tooth groove portion on the pull rod are engaged with each other.

Furthermore, the upper side of the anti-locking plate has an upper protruding rod, and the upper protruding rod resists the side of the lower protruding teeth on the lower side of the central wheel to achieve anti-locking.

Furthermore, both sides of the pull rod are provided with lugs, one lug is against the side of the A tooth-shaped part, and the other lug is against the side of the B tooth-shaped part, so as to realize the The rotation limit of the toggle assembly.

Further, the edge of the central wheel is alternately provided with first hook teeth and second hook teeth, the first hook teeth are hooked with the locking hook at the rear end of the deadbolt to realize locking, and the second hook Teeth resist on the rear side of the locking hook to unlock.

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 Mounting posts inside the housing cover.

As can be seen from the above technical solutions, the present invention has the following beneficial effects:

Due to the magnetic anti-lift door lock provided by the present invention, when the outer door handle is lifted back, it cannot be unlocked normally through the outer door handle, but can only be unlocked through the key, and can also be quickly unlocked through the inner door handle, so it is convenient for quick unlocking and escape, which can effectively Avoid the misoperation of children indoors, resulting in the phenomenon that the door locks are locked and children cannot go out, and avoid potential safety hazards.

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings on the premise of not paying creative efforts.

Fig. 1 is a structural schematic diagram of the present invention.

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

Fig. 3 is a structural schematic diagram of the dead bolt of the present invention.

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

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

Fig. 6 is a structural schematic 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.

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

FIG. 9 is a schematic structural diagram of the toggle member A of the present invention.

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

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

Explanation of reference signs: buckle-1, lock tongue-2, locking hook-21, magnet-22, A reversing gear-3a, B reversing gear-3b, waist-shaped hole-31, stepped surface-32, gear Part-33, first torsion spring-4, anti-lock component-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 circular arc convex corrugation-63, second circular arc convex corrugation-64, reversing pin-65, center hole- 66. Rotating column-67, lower convex teeth-68, toggle assembly-7, second torsion spring-71, A toggle piece-73, A toothed part-731, A rotating part-732, B toggle piece -74, B toothed part-741, B rotating part-742, shell cover-10, panel-11, fixed post-17, connecting post-18, mounting post-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 with reference to Fig. 1 to Fig. 11 below, a kind of magnetic lift-back door lock shown in Fig. 1 and Fig. 2, comprises: lock catch 1 and lock body, and described lock body comprises housing cover 10, lock cylinder And turn the lock tongue 2 that is arranged at the front end of the housing cover 10, the lock body also includes a center wheel 6 and a toggle assembly 7 that are rotatably arranged in the housing cover 10, as shown in Fig. 2, Fig. 4 and Fig. 7 , shown in Fig. 8 and Fig. 9, A reversing gear 3a is fixedly arranged on the upper surface of central runner 6, and B reversing gear 3b is slidingly arranged on the lower surface of said central runner 6, and said toggle assembly 7 Including A toggle piece 73 and B toggle piece 74, the A toggle piece 73 drives the rotation of the center wheel 6 by meshing with the A reversing gear 3a to realize unlocking or locking; the B reversing gear 3b slides to engage with the B dial 74 to drive the rotation of the center wheel 6 to unlock or lock, the B reversing gear 3b slides to be separated from the B dial 74 and cannot drive the The central wheel 6 rotates to unlock or close the lock, but at this time, the A toggle member 73 drives the central wheel 6 to rotate by meshing with the A reversing gear 3a to realize quick unlocking, and to escape quickly in case of an emergency , The magnetic anti-lifting door lock provided by the present invention can effectively avoid misuse by children in the room, resulting in the phenomenon that children cannot go out due to the anti-locking of the door lock, and avoid potential safety hazards.

As shown in Figures 1 and 6, the A dial 73 is rotatably arranged on the surface of the B dial 74, and the A rotating part 732 of the A dial 73 is connected to the B dial 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 Rotate to reset.

As shown in Fig. 1 and Fig. 5, the center of the central runner 6 has a central hole 66, and the central hole 66 is sleeved on the fixed 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 are provided with a waist-shaped hole 31 sleeved on the fixed column 17, and the A reversing gear 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 post 17 , so as to realize the relative sliding between the B reversing gear 3 b and the central rotating wheel 6 .

The central runner 6 is provided with a reversing pin 65 extending to the lower surface of the central runner 6, and the stepped surface 32 on the edge of the B reversing gear 3b resists on the reversing pin 65 to realize the Describe the rotation limit of the B reversing gear 3b.

As shown in Fig. 5 and Fig. 11, the upper and lower surfaces of the central runner 6 all have a first circular arc ridge 63 and a second circular arc ridge 64, and the stepped surface 32 on the edge of the A reversing gear 3a resists One end of the second arc-shaped rib 64 .

Specifically, the reversing pin 65 is located inside the second circular arc rib 64 .

As shown in Fig. 8, Fig. 9, Fig. 10 and Fig. 11, the A toothed part 731 at one end of the A toggle member 73 meshes with the gear part 33 at one end of the A reversing gear 3a, and the B toggle The B-toothed part 741 at one end of the member 74 meshes with or separates from the gear part 33 at one end of the other B reversing gear 3b.

The B dial 74 is engaged with the B reversing gear 3b to drive the center wheel 6 to rotate to unlock or lock; the B dial 74 is separated from the B reversing gear 3b to It is impossible to drive the center wheel 6 to rotate to realize unlocking or locking.

As shown in Figures 1 and 7, the anti-lift door lock also includes an anti-lock assembly 5, 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 periphery of the anti-lock plate 52 is engaged with the tooth groove portion 512 on the pull rod 51, and the anti-lock plate When 52 rotates, the anti-lock tooth part 522 pushes the pull rod 51 to move linearly.

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

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

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

As shown in Fig. 1, Fig. 3 and Fig. 4, first hook teeth 61 and second hook teeth 62 are arranged alternately on the edge of the center wheel 6, and the first hook teeth 61 and the rear end of the deadbolt 2 The locking hooks 21 are hooked with each other to realize locking, and the second hook teeth 62 resist against the rear side of the locking hooks 21 to realize unlocking.

As shown in Figure 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, and 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 column 19 inside the housing cover 10 .

As shown in Figure 2, Figure 10 and Figure 11, the inner door handle is installed on the inner side of the housing cover 10, the outer door handle is installed on the outer side of the housing cover 10, and the inner door handle is connected to the A dial In the square hole at the center of the movable part 73, the outer door handle is connected in the square hole at the center of the B shifting part 74, so that turning the inner door handle drives the rotation of the A shifting part 73, and the A shifting The A toothed part 731 of the part 73 realizes driving the rotation of the A reversing gear 3a by meshing with the gear part 33 at one end of the A reversing gear 3a; turning the outer door handle drives the B toggle part 74 to rotate, and 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, it realizes driving the rotation of the B reversing gear 3b; the B-toothed portion of the B dialing member 74 741 and the gear portion 33 at one end of the B reversing gear 3b, when turning the rotating outer door handle, the B shifting member 74 cannot drive the B reversing gear 3b to rotate, and at this time , turning the inner door handle drives the A shifting member 73 to rotate, and the A toothed portion 731 of the A shifting member 73 drives the A shifting by meshing with the gear portion 33 at one end of the A shifting gear 3a The rotation of the gear 3a thereby drives the rotation of the central rotating wheel 6 so that the locking tongue 2 is retracted to realize unlocking.

The front end of the housing cover 10 is connected with a panel 11, the locking tongue 2 protrudes from the locking tongue on the panel 11, and a magnet 22 is also arranged on the locking tongue 2, and the magnet 22 is connected to the panel 11. Magnetic mutual repulsion realizes the function of quick unlocking.

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

The magnetic anti-lift door lock provided by the present invention can be used as an escape lock, and can be unlocked both inside and outside, but when the outer door handle is lifted back, the normal unlocking cannot be realized through the outer door handle, and the lock can only be unlocked through the key, and can also be unlocked through the inner door handle. Fast unlocking; when the inner door handle is lifted back, the inner door handle can still be unlocked by driving the center wheel 6 to rotate through the toggle assembly 7, and unlocking can also be achieved through a key; after the door is locked by the key, the operation The inner door handle can also be unlocked, so it can effectively avoid the misoperation of children indoors, resulting in the phenomenon that the door locks are locked and children cannot go out, and avoid potential safety hazards.

The magnetic anti-lift door lock provided by the present invention is divided into left-opening door lock and right-opening door lock. When leaving the factory, it is a left-opening door lock, which can be easily converted into a right-opening door lock. Through the reversing screw 69, the reversing pin 65, the The A reversing gear 3a and the B reversing gear 3b achieve the purpose, specifically, when the lock body is in the locked state, remove the reversing screw 69 fixing the A reversing gear 3a, and move the A reversing gear 3a closer to The direction of the A shifting 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 is abutted against the A reversing gear 3a. side of the above-mentioned reversing pin 65, and then retreat the B reversing gear 3b to the direction away from the B toggle member 74, cover the other end of the reversing pin, and use the reversing screw 69 to fix the B reversing gear 3b. To the gear 3b, so as to realize the purpose of converting the left-handed door lock into the right-handed door lock. Conversely, the door lock is right-handed when leaving the factory, and it can be easily converted to a left-handed door lock.

The thrust magnet rotates through the central magnetic force spring to generate a secondary thrust, thereby achieving the locking ability, and the principle of unlocking 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 modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A magnetic anti-lift door lock, comprising: a lock catch (1) and a lock body, said lock body comprising a housing cover (10), a lock core and a dead bolt ( 2), it is characterized in that the lock body also includes a center wheel (6) and a toggle assembly (7) that are rotatably arranged in the housing cover (10), and are fixed on the upper surface of the center wheel (6) The A reversing gear (3a) is provided, the B reversing gear (3b) is slidably provided on the lower surface of the center wheel (6), and the toggle assembly (7) includes an A toggle (73) and a B toggle Toggle (74), the A toggle (73) drives the center wheel (6) to rotate by engaging with the A reversing gear (3a) to realize unlocking or locking; the B reversing gear (3b) When sliding to engage with the B dial (74), drive the center wheel (6) to rotate to unlock or close the lock, and the B reversing gear (3b) slides to engage with the B dial When the parts (74) are separated, the center runner (6) cannot be driven to rotate to realize unlocking or locking. 2. The magnetic anti-lift door lock according to claim 1, characterized in that, the center of the center wheel (6) has a center hole (66), and the center hole (66) is sleeved on the housing cover (10) On the fixed column (17) on the inner wall, the centers of the A reversing gear (3a) and the B reversing gear (3b) are provided with waists sleeved on the fixed column (17). type hole (31), and the A reversing gear (3a) is connected to the upper surface of the central runner (6) through a reversing screw (69). 3. The magnetic anti-lift door lock according to claim 2, characterized in that, the center runner (6) is provided with a reversing pin (65) extending to the lower surface of the center runner (6). ), the step surface (32) on the edge of the B reversing gear (3b) resists the rotation limit of the B reversing gear (3b) on the reversing pin (65). 4. The magnetic anti-lift door lock according to claim 3, characterized in that, the upper and lower surfaces of the center wheel (6) have a first circular arc convex corrugation (63) and a second circular arc convex corrugation (64) ), the step surface (32) of the edge of the A reversing gear (3a) is against one end of the second arc-shaped rib (64). 5. The magnetic anti-lift door lock according to claim 1, characterized in that, the A toggle (73) is rotatably arranged on the surface of the B toggle (74), and the A toggle ( 73) The A-toothed part (731) at one end meshes with the gear part (33) at one end of the A reversing gear (3a), and the B-toothed part (741) at one end of the B toggle (74) and In addition, the gear parts (33) at one end of the B reversing gear (3b) are meshed or separated from each other. 6. The magnetic anti-lift door lock according to claim 1, further comprising an anti-lock assembly (5), the anti-lock assembly (5) comprising a pull rod (51) and an anti-lock plate (52), the anti-lock plate (52) is pivotally connected to the connecting column (18) in the housing cover (10), the pull rod (51) is movably arranged on the underside of the anti-lock plate (52), and on the outer periphery of the anti-lock plate (52) The anti-locking tooth portion (522) of the pull rod (51) meshes with the tooth groove portion (512) on the pull rod (51). 7. The magnetic anti-lift door lock according to claim 6, characterized in that, the upper side of the anti-lock plate (52) has an upper protruding rod portion (521), and the upper protruding rod portion (521) resists the The side of the lower convex tooth (68) on the lower side of the center runner (6) realizes anti-locking. 8. The magnetic anti-lift door lock according to claim 7, characterized in that lugs (511) are provided on both sides of the pull rod (51), and one lug (511) resists the A tooth shape The side of the part (731), and the other lug (511) is against the side of the B-toothed part (741), so as to realize the rotation limit of the toggle assembly (7). 9. The magnetic anti-lift door lock according to claim 1, characterized in that, first hook teeth (61) and second hook teeth (62) are alternately arranged on the edge of the center wheel (6), and the The first hook tooth (61) is hooked with the locking hook (21) at the rear end of the deadbolt (2) to realize locking, and the second hook tooth (62) resists the rear side of the locking hook (21) Achieve unlocking. 10. The magnetic anti-lift door lock according to claim 9, characterized in that, the front end of the second hook tooth (62) is also connected with a first torsion spring (4), and the first torsion spring (4) One end of the first torsion spring (4) is connected to the front end of the second hook tooth (62), and the other end of the first torsion spring (4) is connected to the mounting post (19) in the housing cover (10).