CN110847715A - Silent single-magnetic lock body of door - Google Patents
Silent single-magnetic lock body of door Download PDFInfo
- Publication number
- CN110847715A CN110847715A CN201911229323.7A CN201911229323A CN110847715A CN 110847715 A CN110847715 A CN 110847715A CN 201911229323 A CN201911229323 A CN 201911229323A CN 110847715 A CN110847715 A CN 110847715A
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- spring bolt
- shell
- door
- lock body
- lock
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- 230000005389 magnetism Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
- E05B47/004—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets the magnets acting directly on the bolt
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/101—Spring-retracted bolts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/16—Use of special materials for parts of locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0041—Damping means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to a door silent single-magnetic lock body which comprises a door frame fixed end spring bolt and a door lock body, wherein the door frame fixed end spring bolt comprises a spring bolt fixed baffle, a spring bolt shell, a tension spring and a magnetic spring bolt; the room door lock body includes lock body baffle, lock body shell, swing locking piece and magnet, and during the state of opening the door, the magnetism spring bolt is located the spring bolt shell under tension spring's effect, and during the state of closing the door, the magnetism spring bolt is located the lock body shell under the suction effect of magnet, has the space between magnetism spring bolt and swing locking piece, the magnet this moment. The invention locks the door by utilizing the attraction of the magnet and the magnetic metal, and the internal structure of the lock body does not collide in the process of opening and closing the door, thereby generating low noise.
Description
Technical Field
The invention relates to a lock body for a door, in particular to a mute single-magnet lock body for the door.
Background
With the continuous improvement of the living standard of people, the pursuit of the household life also has higher requirements. The house door and the toilet door are articles with the highest household use frequency, and the use quality of the house door and the toilet door directly influences the normal life of people. The room door and the toilet door are respectively a barrier for connecting a bedroom and a bathroom with a living room, and the noise generated by opening and closing the door lock directly influences the quality of daily life of people, particularly the sleeping quality while protecting the privacy of people.
The existing room door lock has the following defects in the aspects of structure and silence: 1. the traditional door lock body has the advantages that when the lock tongue of the door lock body is closed, the lock tongue impacts a door frame firstly, then the lock tongue rebounds to close the door, and the impact can generate a loud sound; 2. the spring force in the lock tongue of the traditional door lock body is too large, and large noise is generated during rebounding; 3. the traditional lock body usually rotates the door handle by about 45 degrees to pull back the lock bolt, so that the door is opened, and the use is laborious.
The sound generated by opening and closing the room door and the toilet door can influence the daily life of people, particularly the old with poor sleeping quality and hypertension and other diseases. At present, the noise generated by most lock bodies when the door is opened and closed is generated after the lock bodies are collided, and therefore, the door lock body which is not collided inside the lock body needs to be researched and developed so as to control the noise to the minimum as far as possible and build a more comfortable living environment.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a single magnetism lock body of door silence, this lock body utilize magnet and magnetic metal suction to pin the door, and at the in-process of switch door, the inner structure of lock body does not bump, and the noise of production is little, has solved the problem that above-mentioned prior art exists.
The technical scheme for solving the technical problems is as follows: a door silent single magnetic lock body comprises a door frame fixed end spring bolt and a door lock body, wherein the door frame fixed end spring bolt comprises a spring bolt fixed baffle plate, a spring bolt shell, a tension spring and a magnetic spring bolt, the spring bolt shell is of a hollow three-dimensional structure with an opening, the opening end of the spring bolt shell is defined as a front end, the other end of the spring bolt shell is a tail end, the magnetic spring bolt is arranged in the spring bolt shell, the tension spring is connected between the magnetic spring bolt and the tail end of the spring bolt shell, a gap is reserved between the outer wall of the magnetic spring bolt and the inner wall of the side surface of the magnetic spring bolt shell, a sealing ring for sealing the gap between the outer wall of the magnetic spring bolt and the inner wall of the spring bolt shell is arranged at the tail end of the spring bolt shell, an exhaust hole I is arranged at the tail end of, the magnetic lock tongue is provided with a horizontal sliding groove matched with the guide limit pin, and the guide limit pin is positioned in the horizontal sliding groove;
the house door lock body comprises a lock body baffle, a lock body shell, a swinging locking block and a magnet, wherein the lock body shell is of a hollow three-dimensional structure with an opening, a through groove for the swinging of the swinging locking block is formed in the lower side surface of the lock body shell, the opening end of the lock body shell is defined as the front end, the other end of the lock body shell is defined as the tail end, the tail end of the swinging locking block is installed in the tail end of the lock body shell through a rotating locking ring, the upper part of the tail end of the swinging locking block is an arc surface, the lower part of the tail end of the swinging locking block is an inclined surface, a rotating hole for controlling the rotation of the rotating locking ring is formed in the rotating locking ring, the;
when the door is opened, the magnetic lock tongue is positioned in the lock tongue shell, and the swing lock block is positioned in the through groove; when the door is closed, the swing locking block is positioned in the lock body shell, the front end of the magnetic lock tongue is positioned in the lock body shell under the action of the attraction force of the magnet, a gap is formed between the magnetic lock tongue and the swing locking block, and the tension spring is in an extension state.
The included angle β between the inclined plane of the lower part of the tail end of the swing locking block and the inner end surface of the tail end of the lock body shell is 15-17 degrees.
The side of the lock tongue shell is also provided with an exhaust hole II, when the door is closed, the sealing ring is positioned between the exhaust hole II and the front end of the lock tongue shell, and when the door is opened, the sealing ring is positioned between the exhaust hole II and the tail end of the lock tongue shell.
The clearance between magnetism spring bolt outer wall and the spring bolt shell side inner wall is 0.1 mm.
The invention mainly aims at the problem that the internal structure of the existing lock body is collided when a door is opened and closed, and the generated noise is large, and designs a room door mute single-magnetic lock body which is mainly suitable for wooden doors, plastic doors, aluminum alloy doors and the like in rooms and toilets. The lock body is designed by adopting the principle that 1 magnet and magnetic metal attraction force are used for locking the door, and the spring bolt is pushed in and out in a double-buffering delay manner, so that the noise generated when the door is opened and closed is controlled to be minimum as much as possible, and a more comfortable living environment of the house is created. The beneficial effects of the invention are as follows:
1. when the magnetic lock tongue reaches the limit position, the magnetic lock tongue does not contact with the swing lock block, and contact collision sound is not generated.
2. The magnetic lock tongue moves under the attraction of the magnet, but is subjected to the counterforce of the tension spring, so that the buffer can be generated at the moment of extension, and larger sound can not be generated.
3. The door is locked by adopting the attraction of the magnet, and compared with the traditional mechanical lock body, the door lock avoids the impact of the lock tongue and the door and the strong sound generated by the rebounding of the lock tongue.
4. When the lock tongue is opened and returned, the double-exhaust-hole buffering design is adopted, and the sound generated by the rebounding of the lock tongue can not be heard almost.
5. The rotatable angle of the swing locking block is limited to be between 15 and 17 degrees, when the door is opened and closed, the swing angle of the handle is also between 15 and 17 degrees, the rotation angle is small, the operation is more labor-saving, and the use is more convenient.
The technical features of the silent single-magnetic lock for door according to the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1: the present invention is a front view of the locking tongue at the fixed end of the door frame.
FIG. 2: the invention relates to a left view of a bolt at the fixed end of a door frame.
FIG. 3: fig. 1 is a sectional view taken along line a-a.
FIG. 4: the invention relates to a front view of a door lock body.
FIG. 5: the right view of the door lock body of the present invention.
FIG. 6: fig. 4 is a sectional view taken along line B-B.
FIG. 7: fig. 5 is a cross-sectional view taken along line C-C.
FIG. 8: the present invention uses a state diagram (closed door state).
FIG. 9: the present invention uses a state diagram (door open state).
In the figure: 1-bolt retainer, 2-bolt housing, 3-check valve, 4-vent I, 5-seal ring, 6-tension spring, 7-set screw, 8-set screw, 9-magnetic bolt, 10-vent II, 101-screw hole I, 11-guide limit pin, 12-horizontal chute, 13-lock body housing, 131-through groove, 14-magnet, 15-rotation hole, 16-rotation lock ring, 17-swing lock block, 18-lock body baffle, 181-screw hole II.
Detailed Description
Example 1: a door mute single magnetic lock body is disclosed, as shown in figures 1-7, comprising a door frame fixed end spring bolt and a door lock body, wherein the door frame fixed end spring bolt comprises a spring bolt fixing baffle plate 1, a spring bolt shell 2, a tension spring 6 and a magnetic spring bolt 9, the spring bolt shell 2 is a hollow cylinder structure with an opening, the magnetic spring bolt is a cylinder structure, the opening end of the spring bolt shell is defined as a front end, the other end is a tail end, the magnetic spring bolt 9 is arranged in the spring bolt shell 2, the tension spring 6 is connected between the magnetic spring bolt 9 and the tail end of the spring bolt shell 2, the tail end of the magnetic spring bolt is provided with a spring fixing groove, one end of the tension spring is contacted with the tail end of the spring bolt shell, the other end is fixed in the spring fixing groove of the spring bolt by a fixing screw 7, a gap is arranged between the outer wall of the magnetic spring bolt and, the tail end of the bolt shell is provided with an exhaust hole I4, the tail end of the bolt shell is also provided with a check valve 3, when magnetic force attracts the magnetic bolt 9 to move towards the opening end of the bolt shell, the check valve 3 is opened to enable gas to enter the inner cavity of the bolt shell, otherwise, when the magnetic bolt 9 moves towards the tail end of the bolt shell, the check valve 3 is closed. Open on the spring bolt fixed stop and have through-hole I, the spring bolt shell is through four set screw 8 fixed connection on the spring bolt fixed stop, and spring bolt fixed stop's through-hole I aligns with the opening of spring bolt shell. The bolt fixing baffle plate 1 is provided with two screw holes I101 for screws or rivets to fixedly install the bolts at the fixed end of the door frame on the door frame. The spring bolt shell is also provided with a guide limit pin 11, the magnetic spring bolt is provided with a horizontal sliding groove 12 matched with the guide limit pin, the guide limit pin 11 is positioned in the horizontal sliding groove 12, and the guide groove 12 and the guide limit pin 11 limit the magnetic spring bolt 9 to be incapable of circumferential rotation and only capable of moving back and forth in the spring bolt shell 2.
The room door lock body includes lock body baffle 18, lock body shell 13, swing locking piece 17 and magnet 14, lock body shell 13 is hollow has the open-ended cuboid structure, swing locking piece 17 shape is the cuboid, the downside of lock body shell has still opened the logical groove 131 that supplies swing locking piece 17 wobbling, the open end of definition lock body shell is the front end, the other end is the tail end, swing locking piece 17's tail end is through rotatory catch 16 movable mounting in the tail end of lock body shell, the upper portion of swing locking piece tail end is the arc surface, the lower part is the inclined plane, the purpose that sets up like this has mainly been can be rotatory round the center of rotatory catch 16 for swing locking piece 17 to the rotatable angle of restriction. The rotating lock ring 16 is internally provided with a rotating hole 15 for controlling the rotation of the rotating lock ring, and the rotating hole is square. The magnet 14 is embedded in the front end of the swing locking block 17 and is firmly adhered by glue. The lock body baffle 18 is provided with a through hole II, the lock body shell 13 is fixed on the lock body baffle through welding, and the through hole of the lock body baffle is aligned with the opening of the lock body shell. The lock body baffle 18 is provided with two screw holes II 181 for connecting with the door lock hole.
When the door is opened, the magnetic bolt 9 is positioned in the bolt shell 2, the tension spring 6 is in a natural state or a contraction state, and the swing locking block 17 is positioned in the through groove; when the door is closed, the swing locking block is positioned in the lock body shell, the front end of the magnetic bolt is positioned in the lock body shell 13 under the action of the attraction force of the magnet 14, a gap is formed between the magnetic bolt and the swing locking block, the gap is about 3mm, and the tension spring 6 is in an extension state.
Because the magnet is arranged in the door lock body, except the magnetic lock tongue, the metal materials in other lock bodies are non-magnetic materials, such as stainless steel, aluminum and other metals; there is no particular requirement for the installed door material.
In this embodiment, the angle β between the inclined surface of the lower portion of the tail end of the swing lock piece and the inner end surface of the tail end of the lock body housing is 15 to 17 degrees.
In this embodiment, the spring bolt shell side still opens exhaust hole II 10, and during the state of closing the door, the sealing washer is located between exhaust hole II and the spring bolt shell front end, and during the state of opening the door, the sealing washer is located between exhaust hole II and the spring bolt shell tail end.
In this embodiment, the clearance between magnetism spring bolt outer wall and the spring bolt shell side inner wall is 0.1. As a transformation, the clearance between the outer wall of the magnetic lock tongue and the inner wall of the side face of the magnetic lock tongue shell can be determined according to actual conditions, and the magnetic lock tongue can move smoothly in the lock tongue shell as long as the magnetic lock tongue can be ensured.
The use process comprises the following steps: the door frame fixed end spring bolt is installed in the lock groove of the door frame, the screw hole I on the spring bolt fixing baffle plate 1 is aligned with the hole on the door frame through a screw or a rivet to be installed and fixed, and the whole door frame fixed end spring bolt is installed inside the door frame lock groove (the spring bolt shell length of the door frame fixed end spring bolt refers to the inner depth design of the door frame lock groove, and the magnetic spring bolt and the spring bolt shell length can be correspondingly shortened to achieve the aim of installation).
The door lock body is arranged in a lock hole on the door, and a screw hole II on a lock body baffle plate 18 on the door lock body is aligned, arranged and fixed with the lock hole on the door by using a screw and a rivet, so that the door lock body is completely placed in the door hole.
When closing the door, room door lock body's lock body hole site aligns with door frame stiff end spring bolt hole site in the twinkling of an eye, and the inside magnet 14 of internal swing locking piece 17 of room door lock aligns with the inside magnetism spring bolt 9 of door frame stiff end spring bolt, produces magnetic attraction, and magnetic force is greater than tension spring 6's pulling force, makes magnetism spring bolt 9 pop out and stretch into in the lock body shell 13 of room door lock body (magnetism spring bolt 9 and lock body shell fit clearance control are in 0.5mm within range, avoid the too big production in gap to rock). The process that magnetism spring bolt 9 outwards removed, check valve 3 opens, and gaseous 2 inner chambers from getting into the spring bolt shell, and spring bolt 9 pops out fast. The guide limit pin 11 moves smoothly under the limit of the guide groove 12, and when the guide limit pin 11 contacts the end face of the limit position of the guide groove 12, the magnetic lock tongue 9 stops and reaches the extended limit position. When the magnetic latch 9 reaches the limit position, it does not contact the swing lock 17, and as shown in fig. 8, it keeps a distance of about 3 mm. At this point, the door has been fully locked.
When the door is opened, the door handle is inserted into the rotating hole 15, the door handle is rotated to rotate the rotating lock ring 16, the swinging lock block rotates downwards, as shown in fig. 9, the position of the magnet 14 changes, the magnet deviates from the magnetic bolt 9, and the magnetic attraction force is not generated on the magnetic bolt 9 any more; the magnetic bolt 9 moves back to the initial position under the action of the tension spring 6, the magnetic bolt is separated from the lock body shell, and the door can be opened at the moment. In the process of returning the magnetic lock tongue 9, the one-way valve 3 is closed, gas is exhausted from the lock body shell 13 through the exhaust hole I4 and the exhaust hole II 10, the two exhaust holes simultaneously exhaust gas, and the returning speed of the magnetic lock tongue 9 is high; when magnetism spring bolt 9 return was vented hole II 10 position, the exhaust hole II 10 was sheltered from to the sealing washer, only exhausts I4 exhaust holes, and the return speed of magnetism spring bolt 9 slows down this moment, until the complete return.
Claims (4)
1. The utility model provides a door silence list magnetism lock body which characterized in that: the door frame fixed end spring bolt comprises a spring bolt fixed end spring bolt and a door lock body, wherein the spring bolt fixed end spring bolt comprises a spring bolt fixed baffle plate (1), a spring bolt shell (2), a tension spring (6) and a magnetic spring bolt (9), the spring bolt shell is of a hollow three-dimensional structure with an opening, the opening end of the spring bolt shell is defined as a front end, the other end of the spring bolt shell is a tail end, the magnetic spring bolt is arranged in the spring bolt shell, the tension spring is connected between the magnetic spring bolt and the tail end of the spring bolt shell, a gap is reserved between the outer wall of the magnetic spring bolt and the inner wall of the side surface of the magnetic spring bolt shell, a sealing ring (5) used for sealing the gap between the outer wall of the magnetic spring bolt and the inner wall of the spring bolt shell is arranged at the tail end of the spring bolt shell, an exhaust hole I, the spring bolt shell is also provided with a guide limit pin (11), the magnetic spring bolt is provided with a horizontal sliding groove (12) matched with the guide limit pin, and the guide limit pin is positioned in the horizontal sliding groove;
the house door lock body comprises a lock body baffle (18), a lock body shell (13), a swinging lock block (17) and a magnet (14), wherein the lock body shell is of a hollow three-dimensional structure with an opening, a through groove (131) for the swinging lock block to swing is further formed in the lower side surface of the lock body shell, the opening end of the lock body shell is defined as the front end, the other end of the lock body shell is the tail end, the tail end of the swinging lock block is installed in the tail end of the lock body shell through a rotating lock ring (16), the upper part of the tail end of the swinging lock block is an arc surface, the lower part of the tail end of the swinging lock block is an inclined surface, a rotating hole (15) for controlling the rotating lock ring to rotate is formed in the rotating lock ring, the magnet is;
when the door is opened, the magnetic lock tongue is positioned in the lock tongue shell, and the swing lock block is positioned in the through groove; when the door is closed, the swing locking block is positioned in the lock body shell, the front end of the magnetic lock tongue is positioned in the lock body shell under the action of the attraction force of the magnet, a gap is formed between the magnetic lock tongue and the swing locking block, and the tension spring is in an extension state.
2. The door mute single magnetic lock as claimed in claim 1, wherein the angle β between the slope of the lower portion of the tail end of the swinging lock block and the inner end surface of the tail end of the lock body housing is 15-17 °.
3. The silent single-magnet lock body of claim 1 or 2, wherein: the side of the lock tongue shell is also provided with an exhaust hole II (10), when the door is closed, the sealing ring is positioned between the exhaust hole II and the front end of the lock tongue shell, and when the door is opened, the sealing ring is positioned between the exhaust hole II and the tail end of the lock tongue shell.
4. The silent single-magnet lock body of claim 1 or 2, wherein: the clearance between magnetism spring bolt outer wall and the spring bolt shell side inner wall is 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229323.7A CN110847715B (en) | 2019-12-04 | 2019-12-04 | Door silence single magnetic lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229323.7A CN110847715B (en) | 2019-12-04 | 2019-12-04 | Door silence single magnetic lock body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110847715A true CN110847715A (en) | 2020-02-28 |
| CN110847715B CN110847715B (en) | 2024-07-09 |
Family
ID=69607757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911229323.7A Active CN110847715B (en) | 2019-12-04 | 2019-12-04 | Door silence single magnetic lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110847715B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11570926B2 (en) * | 2020-11-13 | 2023-01-31 | Dell Products L.P. | Magnetic dual axis hinge system and method therefor |
| EP4239147A1 (en) * | 2022-03-01 | 2023-09-06 | Openers & Closers, S.L. | Closure device for doors |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202144687U (en) * | 2011-05-25 | 2012-02-15 | 金洪亮 | Magnetic door lock |
| CN204112913U (en) * | 2014-09-30 | 2015-01-21 | 温州美亿德装饰五金有限公司 | Magnetic force collisionless lock body |
| CN206309146U (en) * | 2016-12-02 | 2017-07-07 | 杜仙花 | automatic magnetic lock body |
| CN211736735U (en) * | 2019-12-04 | 2020-10-23 | 柳州职业技术学院 | Silent single-magnetic lock body of door |
-
2019
- 2019-12-04 CN CN201911229323.7A patent/CN110847715B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202144687U (en) * | 2011-05-25 | 2012-02-15 | 金洪亮 | Magnetic door lock |
| CN204112913U (en) * | 2014-09-30 | 2015-01-21 | 温州美亿德装饰五金有限公司 | Magnetic force collisionless lock body |
| CN206309146U (en) * | 2016-12-02 | 2017-07-07 | 杜仙花 | automatic magnetic lock body |
| CN211736735U (en) * | 2019-12-04 | 2020-10-23 | 柳州职业技术学院 | Silent single-magnetic lock body of door |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11570926B2 (en) * | 2020-11-13 | 2023-01-31 | Dell Products L.P. | Magnetic dual axis hinge system and method therefor |
| EP4239147A1 (en) * | 2022-03-01 | 2023-09-06 | Openers & Closers, S.L. | Closure device for doors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110847715B (en) | 2024-07-09 |
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