CN216949867U

CN216949867U - Magnetic door lock

Info

Publication number: CN216949867U
Application number: CN202123354698.1U
Authority: CN
Inventors: 陈贤栋
Original assignee: Wenzhou Hua Yi Li Hardware Decoration Co ltd
Current assignee: Wenzhou Hua Yi Li Hardware Decoration Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-12
Anticipated expiration: 2031-12-29

Abstract

The utility model belongs to the technical field of door locks, in particular to a magnetic door lock, which comprises a lock shell, wherein a spring bolt which can extend outwards and is inserted into a lock groove on a door frame is arranged in the lock shell, a linkage part which is positioned in the lock shell is formed on the spring bolt, a spring bolt driving part is arranged in the lock shell, a linkage groove is formed on the linkage part, a linkage cylinder body which moves along the linkage groove is formed on the spring bolt driving part, the linkage cylinder body enables the spring bolt to move towards the lock shell in a translation mode by pushing the inner wall of the linkage groove when the spring bolt driving part rotates, handle driving parts and lock holes for installing lock cylinders are respectively arranged in the lock shell, a spring bolt shifting block is formed on the driving part, and a handle shifting block pushed by the spring bolt shifting block and a lock cylinder shifting block pushed by the lock cylinder are circumferentially formed on the spring bolt driving part. This lock only need can realize locking a door, counter-locking and multiple functions such as unblanking through the simple and easy cooperation between spring bolt driving piece and the handle driving piece, has accomplished the structure simplification effectively, has reduced the cost and the degree of difficulty of manufacturing.

Description

Magnetic door lock

Technical Field

The utility model belongs to the technical field of door locks, and relates to a magnetic door lock.

Background

The magnetic door lock is a door lock which can suck the bolt in the lock shell into the buckle box on the door frame by magnetic force, thereby forming the effect of closing the door. The existing magnetic door lock can lock a door plate through a lock tongue, and also has a counter lock function, and the door lock cannot be opened through rotating a handle after being counter locked.

Disclose a magnet lock body optimization structure if CN201921474581.7, this magnet lock inserts the key of lock core through anticlockwise rotation for the lock core drives spring bolt driver plate clockwise turning through lock core stirring portion, and the anti-lock shifting block on the spring bolt driver plate supports the spacing step of spring bolt trigger portion one side through the interior contact piece above that, and in order not to let the handle influence the spring bolt driver plate simultaneously, the second spring bolt shifting block of handle knob staggers each other with the handle contact piece of spring bolt driver plate in vertical direction. Although the number of used parts is simplified in the lock body structure, when the anti-lock function is realized, the matching requirement among the lock bolt driving plate, the anti-lock shifting block and the handle shifting knob is higher, so that a more complex shape is needed to match, and the manufacturing difficulty and the production cost of the lock body can be increased.

In order to solve the problems, the magnetic door lock which has a simplified structure and can realize the back locking function through simple part matching can be designed.

Disclosure of Invention

According to the problems, the utility model provides the magnetic door lock, which optimizes the internal structure, is easier to realize the functions of counter locking, handle idling, normal unlocking and the like, and reduces the production difficulty.

The purpose of the utility model is realized by the following steps:

a magnetic door lock comprises a lock shell, a spring bolt which can extend outwards and is inserted into a lock groove on a door frame is arranged in the lock shell, a linkage part which is positioned in the lock shell is formed on the spring bolt, a spring bolt driving part which drives the spring bolt to translate through rotation is arranged in the lock shell, a linkage groove is formed on the linkage part, a linkage cylinder body which moves along the linkage groove is formed on the spring bolt driving part, the linkage cylinder body drives the spring bolt to translate towards the inside of the lock shell through pushing the inner wall of the linkage groove when the spring bolt driving part rotates, a driving part which can drive the spring bolt driving part to rotate and a lock hole for installing a lock cylinder are respectively arranged in the lock shell, a spring bolt shifting block is formed on the handle driving part, a handle shifting block which is pushed by the spring bolt shifting block and a lock cylinder shifting block which is pushed by the lock cylinder are circumferentially formed on the spring bolt driving part, the lock bolt shifting block pushes the handle shifting block when moving towards the direction close to the handle shifting block, and the handle shifting block is staggered with the lock bolt shifting block when moving towards the direction close to the lock bolt shifting block; when a bolt shifting block on the handle driving part pushes a handle shifting block on the bolt driving part, the bolt returns into the lock shell; when the lock cylinder pushes the lock cylinder shifting block on the bolt driving piece and the bolt driving piece rotates towards the direction which enables the handle shifting block to be far away from the bolt shifting block, the bolt returns into the lock shell; when the lock core promotes lock core shifting block on the spring bolt driving piece to let the spring bolt driving piece orientation makes the handle shifting block is close to when the direction of spring bolt shifting block rotates, the handle shifting block rotate to with the spring bolt shifting block staggers, the handle driving piece is in idle running state, and the lock is locked in the contrary.

Furthermore, a reset shifting block is formed on the circumferential direction of the spring bolt driving piece, a reset spring capable of abutting against the reset shifting block is arranged in the lock shell, and the reset spring enables the spring bolt driving piece to have the trend of pushing the handle driving piece to reset.

Furthermore, a sleeve rod and a spring positioning stop block which are aligned are formed in the lock shell, a bending portion fixed to the inner wall of the lock shell is formed on the sleeve rod, and the return spring is sleeved on the sleeve rod and abuts between the bending portion and the spring positioning stop block.

Further, be formed with two at least constant head tanks in the spring bolt driving piece circumference, be formed with the spring bolt reference column in the lock shell, the cover has the location torsional spring on the spring bolt reference column, is formed with on the location torsional spring to stretch into the location portion of constant head tank.

Furthermore, be formed with torsional spring location dog in the lock shell, be formed with on the location torsional spring and support the spacing arm of torsional spring location dog, the one end of spacing arm be formed with the cover in the lantern ring on the spring bolt reference column, the other end of spacing arm is buckled and is extended to be formed with wobbling arm that resets, location portion be formed in on the arm that resets.

Furthermore, be formed with the groove that resets on the linkage portion of spring bolt, the cover has on the spring bolt reference column extends the reset torsion spring in groove that resets.

Further, coaxial coupling has the handle torsional spring on the handle driving piece, and the handle torsional spring makes the spring bolt shifting block has and keeps away from the trend of handle shifting block, be formed with the handle reference column in the lock shell, be formed with handle location dog on the handle driving piece, be formed with on the handle torsional spring support in the support arm at the both ends that are close to each other on handle reference column and the handle location dog, handle location dog can promote the support arm is close to each other.

Furthermore, be formed with the spacing groove on the handle driving piece, the handle reference column is located the spacing inslot, the handle torsional spring makes the inner wall of spacing groove supports keep away from on the handle reference column the one end of support arm.

Furthermore, a stroke groove is formed in the linkage portion of the lock bolt, a guide post sequentially penetrating through the lock bolt driving piece and the stroke groove is formed in the lock shell, the lock bolt driving piece rotates by taking the guide post as a center, and the stroke groove can move horizontally relative to the guide post.

Furthermore, a protective sleeve which is propped against the inside of the stroke groove is sleeved on the guide post.

Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:

1. this lock only need rotate to stagger with the spring bolt shifting block on the handle driving piece through letting the handle shifting block on the spring bolt driving piece, can make the handle of installing on the lock and connecting the handle driving piece of handle idle running for the spring bolt does not receive the handle rotation influence, thereby forms the counter lock, has further simplified the required cooperation structure of realization counter lock function, has reduced the degree of difficulty and the cost of manufacturing.

2. The lock bolt can be controlled to move correspondingly by the rotation of the lock bolt driving piece inside the door lock, and the matching structure required by the unlocking function is further simplified, so that the normal function of the door lock is optimized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of the door lock in a door locking state.

Fig. 2 is a second schematic structural diagram of the door lock in a door locking state.

Fig. 3 is a first structural schematic diagram of the door lock in the back locking state.

Fig. 4 is a second schematic structural view of the door lock in the unlocked state.

Fig. 5 is a first structural schematic diagram of the door lock in an open state.

Fig. 6 is a second schematic structural view of the door lock in an open state.

1-lock shell, 11-sleeve rod, 111-bend, 12-spring positioning stop, 13-bolt positioning post, 14-torsion spring positioning stop, 15-handle positioning post, 16-guide post, 161-protective sleeve, 2-bolt, 21-linkage part, 211-linkage groove, 212-reset groove, 213-stroke groove, 3-bolt driving piece, 31-linkage cylinder, 32-handle shifting block, 33-lock core shifting block, 34-reset shifting block, 35-positioning groove, 4-handle driving piece, 41-bolt shifting block, 42-handle positioning stop, 43-limiting groove, 5-lock hole, 6-reset spring, 7-positioning torsion spring, 71-positioning part, 72-limiting arm, 73-sleeve ring, 74-reset arm, 8-reset torsion spring, 9-handle torsion spring and 91-support arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model will be further described in the following with reference to a specific embodiment thereof,

as shown in fig. 1-6, a magnetic door lock includes a lock case 1, a bolt 2 extending outward and inserted into a lock slot on a door frame is disposed in the lock case 1, a linkage portion 21 located in the lock case 1 is formed on the bolt 2, a bolt driving member 3 for driving the bolt 2 to translate through rotation is disposed in the lock case 1, a linkage slot 211 is formed on the linkage portion 21, a linkage cylinder 31 moving along the linkage slot 211 is formed on the bolt driving member 3, the linkage cylinder 31 drives the bolt 2 to translate into the lock case 1 by pushing an inner wall of the linkage slot 211 when the bolt driving member 3 rotates, a handle driving member 4 for driving the bolt driving member 3 to rotate and a lock hole 5 for installing a lock cylinder are disposed in the lock case 2, a bolt shifting block 41 is formed on the handle driving member 4, a bolt shifting block 32 pushed by the bolt shifting block 41 is formed on the bolt driving member 3 circumferentially, and a lock cylinder shifting block 33 pushed by the lock cylinder, the lock bolt shifting block 41 pushes the handle shifting block 32 when moving towards the direction close to the handle shifting block 32, and the handle shifting block 32 is staggered with the lock bolt shifting block 41 when moving towards the direction close to the lock bolt shifting block 41.

Under the condition that the door lock is normally locked, the bolt 2 extends out of the lock shell 1 and simultaneously extends into a lock groove with magnetic force on a door frame, and the lock groove absorbs the bolt 2 through the magnetic force. In the door lock, a handle is inserted into a lock shell 1 and is coaxially connected with a handle driving piece 4, under the condition of no back locking, the handle is pressed down, the handle driving piece 4 rotates towards the direction of pushing a bolt driving piece 3 to rotate, so that a bolt 2 returns into the lock shell 1 to unlock, a key is inserted into a lock cylinder, the lock cylinder pushes the bolt driving piece 3 by rotating the key, unlocking can be realized, and the lock cylinder can push the bolt driving piece 3 to lock by reversing the key. Specifically, the structural matching form of the door lock is that when the bolt shifting block 41 on the handle driving piece 4 pushes the handle shifting block 32 on the bolt driving piece 3, the bolt driving piece 3 rotates, so that the linkage cylinder 31 on the bolt driving piece 3 moves towards the direction capable of pushing the inner wall of the linkage groove 211 on the linkage part 21, the linkage part 21 of the bolt 2 is pushed accordingly, and the bolt driving piece 3 can push the bolt 2 to return to the inside of the lock case 1 through the linkage cylinder 3; when the lock cylinder pushes the lock cylinder shifting block 33 on the bolt driving piece 3 and the bolt driving piece 3 rotates towards the direction that the handle shifting block 32 is far away from the bolt shifting block 41, the linkage cylinder 3 moves towards the direction that the inner wall of the linkage groove 211 on the linkage part 21 can be pushed, and the bolt 2 is pushed by the linkage part 21 and returns into the lock shell 1; when the lock core promotes lock core shifting block 33 on the spring bolt driving piece 3, and let spring bolt driving piece 3 orientation makes handle shifting block 32 is close to when the direction of spring bolt shifting block 41 rotates, handle shifting block 32 rotate to with spring bolt shifting block 41 staggers, and the handle drives this moment handle driving piece 41 rotates and also can not influence the spring bolt driving piece, rotates the handle promptly spring bolt 2 can not return in the lock shell 1, handle driving piece 4 is in idle running state, and the lock is locked reversely, if reverse rotation key again, the lock core can make through promoting lock core shifting block 33 lock core driving piece 3 gyration, after the gyration lock core driving piece 3's lock core shifting block 33 can be promoted by handle shifting block 41 of handle driving piece 4 again, and the anti-lock of lock is relieved.

As shown in fig. 2, 4 and 6, a reset shifting block 34 is formed on the circumference of the bolt driving piece 3, a reset spring 6 which can abut against the reset shifting block 34 is arranged in the lock case 1, and the bolt driving piece 3 has a tendency of pushing the handle driving piece 4 to reset due to the reset spring 6. Specifically, when the bolt driving member 3 is rotated in a direction in which the bolt 2 can be pushed by the link cylinder 31 to retract into the lock case 1, the return toggle member 34 pushes the return spring 6 with the rotation of the key cylinder driving member 3, so that the return spring 6 is compressed. When the handle or the key is rotated, the lock cylinder driving piece 3 is driven by the handle driving piece 4 or the lock cylinder, the handle or the key is loosened after the bolt 2 retreats in the lock shell 1, the return spring 6 begins to rebound and pushes the lock cylinder driving piece 3 to rotate and reset, and the bolt 2 is attracted back again by the magnetic force of the lock groove after aligning to the lock groove on the door frame, so that the door is locked again.

As a modified embodiment, a loop bar 11 and a spring positioning stop 12 are formed in the lock case 1 in alignment, a curved portion 111 fixed to the inner wall of the lock case 1 is formed on the loop bar 11, and the return spring 6 is sleeved on the loop bar 11 and abuts between the curved portion 111 and the spring positioning stop 12. Specifically, the return spring 6 extends and contracts between the bent portion 111 and a spring positioning stopper 12, when the return spring 6 is compressed, the return spring 6 abuts against the bent portion 111 of the loop bar 11, and when the return spring 6 rebounds, the spring positioning stopper 12 limits a rebound distance of the return spring 6, so that the return spring 6 is positioned.

As an improved embodiment, at least two positioning grooves 35 are formed in the circumferential direction of the bolt driving member 3, a bolt positioning column 13 is formed in the lock case 1, a positioning torsion spring 7 is sleeved on the bolt positioning column 13, and a positioning part 71 extending into the positioning groove 35 is formed on the positioning torsion spring 7. Specifically, when the latch driving member 3 rotates to a state where the latch driving member can normally cooperate to lock the door or unlock the door, the positioning torsion spring 7 positions the latch driving member 3 by letting the positioning portion 71 extend into the positioning groove 35, so that the latch driving member 3 stably maintains a corresponding position in the state where the door is locked or unlocked by the door lock.

As an improved embodiment, a torsion spring positioning stopper 14 is formed in the lock case 1, a limit arm 72 capable of abutting against the torsion spring positioning stopper 14 is formed on the positioning torsion spring 7, a collar 73 sleeved on the bolt positioning post 13 is formed at one end of the limit arm 72, the other end of the limit arm 72 extends in a bending manner and is formed with a swingable reset arm 74, and the positioning portion 71 is formed on the reset arm 74. Specifically, when the bolt driving member 3 rotates, so that the positioning groove 35 is no longer aligned with the positioning portion 71 of the positioning torsion spring 7, the bolt driving member 3 will push the positioning portion 71 to swing the reset arm 74, thereby causing the deformation of the positioning torsion spring 7, and meanwhile, the torsion spring positioning stopper 14 abuts against the limit arm 72 of the positioning torsion spring 7, and the limit arm 72 is prevented from displacing by being sleeved with the collar 73 of the bolt positioning column 13 in a matching manner, so that the positioning torsion spring 7 is only deformed and does not displace. When the driving member 3 rotates again to the direction that the positioning groove 35 aligns with the positioning torsion spring 7, the positioning torsion spring 7 drives the reset arm 74 to reset through its own elasticity and drives the positioning portion 71 to extend into the positioning groove 35 of the driving member 3 again.

As shown in fig. 1, 3 and 5, a reset groove 212 is formed on the linkage portion 21 of the latch 2, and a reset torsion spring 8 extending to the reset groove 212 is sleeved on the latch positioning post 13. Specifically, when the handle or a key inserted into the lock cylinder rotates to unlock the door lock, the bolt 2 drives the reset torsion spring 8 to swing and deform through the reset groove 212 of the linkage part 21 in the process of returning to the inside of the lock case 1, and when the door lock is locked again, the reset torsion spring 8 can help the bolt 2 to extend out of the lock case 1 again through the elasticity of the reset torsion spring 8 by pushing the inner wall of the reset groove 212.

As shown in fig. 2 and 6, coaxial coupling has a handle torsional spring 9 on the handle driving part 4, and handle torsional spring 9 makes spring bolt shifting block 41 has the trend of keeping away from handle shifting block 32, be formed with handle reference column 15 in the lock shell 1, be formed with handle location dog 42 on the handle driving part 4, be formed with on the handle torsional spring 9 support in the support arm 91 at the both ends that are close to each other on handle reference column 15 and the handle location dog 42, handle location dog 15 can promote support arm 91 is close to each other. Specifically, because the handle of installation on this lock can drive handle driving piece 4 rotates in step, when opening the door and pushing down and rotate the handle, handle driving piece 4 rotates the in-process thereupon and passes through handle location dog 42 promotes rather than offsetting support arm 91 towards support in the support arm 91 of handle reference column 15 is close to, handle torsional spring 9 is owing support arm 91 is close to each other and produces deformation, is loosened the back when the handle, handle torsional spring 9 is owing to the elasticity of self is kick-backed, support arm 91 will make through promoting handle location dog 42 handle driving piece 4 rotates, handle driving piece 4 resets along with driving, and the handle of this lock installation rotates the back promptly, loosens the handle, and the handle can reset again.

As an improved embodiment, a limiting groove 43 is formed on the handle driving part 4, the handle positioning column 15 is located in the limiting groove 43, and the handle torsion spring 9 enables the inner wall of the limiting groove 43 to abut against one end, far away from the supporting arm 91, of the handle positioning column 15. Specifically, the limiting groove 43 limits the range of the handle driving part 4 rotating driven by the handle, when the inner wall of the limiting groove 43 is abutted against one end, close to the supporting arm 91, of the handle positioning column 15, the handle on the door lock cannot be pressed down to rotate, and similarly, when the handle is reset, the limiting groove 43 is abutted against one end, far away from the supporting arm 91, of the handle positioning column 15, and then the handle and the handle driving part 4 cannot rotate any further.

As shown in fig. 1, 3 and 5, a stroke groove 213 is formed in the interlocking portion 21 of the latch 2, a guide post 16 sequentially passing through the latch driving member 3 and the stroke groove 213 is formed in the lock case 1, the latch driving member 3 rotates around the guide post 16, and the stroke groove 213 is capable of translating relative to the guide post 16. Specifically, the cooperation of the guide post 16 and the stroke slot 213 enables the bolt 2 to play a guiding role in the process of extending or retracting the lock case 1, so that the linkage portion 21 can stably drive the bolt 2 to translate, and the bolt driving member 3 can stably rotate.

As a modified embodiment, the guiding column 16 is sleeved with a protecting sleeve 161 which is pressed against the inside of the travel slot 213. Specifically, when the stroke slot 213 translates with the linkage portion 21 of the bolt 2 relative to the guide post 16, the protective sleeve 161 can prevent the inner wall of the stroke slot 213 from wearing against the guide post 16.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A magnetic door lock comprises a lock shell, a spring bolt which can extend outwards and is inserted into a lock groove on a door frame is arranged in the lock shell, and is characterized in that a linkage part which is positioned in the lock shell is formed on the spring bolt, a spring bolt driving part which drives the spring bolt to translate through rotation is arranged in the lock shell, a linkage groove is formed on the linkage part, a linkage cylinder body which moves along the linkage groove is formed on the spring bolt driving part, the linkage cylinder body drives the spring bolt to translate towards the inside of the lock shell through pushing the inner wall of the linkage groove when the spring bolt driving part rotates, a driving part which can drive the spring bolt driving part to rotate and a lock hole for installing a lock cylinder are also respectively arranged in the lock shell, a spring bolt shifting block is formed on the handle driving part, a handle shifting block which is pushed by the spring bolt shifting block and a lock cylinder shifting block which is pushed by the lock cylinder are circumferentially formed on the spring bolt driving part, the lock bolt shifting block pushes the handle shifting block when moving towards the direction close to the handle shifting block, and the handle shifting block is staggered with the lock bolt shifting block when moving towards the direction close to the lock bolt shifting block;

when a bolt shifting block on the handle driving part pushes a handle shifting block on the bolt driving part, the bolt returns into the lock shell;

when the lock cylinder pushes the lock cylinder shifting block on the bolt driving piece and the bolt driving piece rotates towards the direction which enables the handle shifting block to be far away from the bolt shifting block, the bolt returns into the lock shell;

when the lock core promotes lock core shifting block on the spring bolt driving piece to let the spring bolt driving piece orientation makes the handle shifting block is close to when the direction of spring bolt shifting block rotates, the handle shifting block rotate to with the spring bolt shifting block staggers, the handle driving piece is in idle running state, and the lock is locked in the contrary.

2. The magnetic door lock of claim 1, wherein the latch bolt driving member has a reset finger formed on a circumference thereof, and a reset spring is disposed in the lock housing and is capable of pushing against the reset finger, the reset spring causing the latch bolt driving member to have a tendency of pushing the handle driving member to reset.

3. A magnetic door lock according to claim 2, wherein the housing has a shank and a spring retention stop formed therein in alignment, the shank having a bend formed therein and secured to an inner wall of the housing, the return spring being received over the shank and abutting between the bend and the spring retention stop.

4. The magnetic door lock of claim 1, wherein the latch driving member has at least two positioning slots formed in a circumferential direction thereof, the lock housing has a latch positioning post formed therein, the latch positioning post is sleeved with a positioning torsion spring, and the positioning torsion spring has a positioning portion formed thereon and extending into the positioning slots.

5. The magnetic door lock of claim 4, wherein a torsion spring positioning stop is formed in the lock case, a limiting arm is formed on the positioning torsion spring and can abut against the torsion spring positioning stop, a sleeve ring sleeved on the bolt positioning post is formed at one end of the limiting arm, the other end of the limiting arm is bent and extended and is formed with a swingable reset arm, and the positioning portion is formed on the reset arm.

6. The magnetic door lock of claim 4, wherein a reset groove is formed on the linkage portion of the bolt, and a reset torsion spring extending to the reset groove is sleeved on the bolt positioning post.

7. The magnetic door lock of claim 1, wherein a handle torsion spring is coaxially connected to the handle driving member, the handle torsion spring enables the spring bolt shifting block to have a trend of being far away from the handle shifting block, a handle positioning column is formed in the lock case, a handle positioning stop block is formed on the handle driving member, support arms which are abutted against two ends, close to each other, of the handle positioning column and the handle positioning stop block are formed on the handle torsion spring, and the handle positioning stop block can push the support arms to be close to each other.

8. The magnetic door lock of claim 7, wherein the handle driving member defines a slot, the handle positioning post is disposed in the slot, and the handle torsion spring causes an inner wall of the slot to abut against an end of the handle positioning post remote from the support arm.

9. The magnetic door lock of claim 1, wherein a travel slot is formed on the linkage portion of the latch, a guide post sequentially passing through the latch driving member and the travel slot is formed in the housing, the latch driving member rotates about the guide post, and the travel slot can translate relative to the guide post.

10. The magnetic door lock of claim 9, wherein the guide post is sleeved with a protective sleeve that abuts against the inside of the travel slot.