CN110905304B - Resettable self-rescue door lock and cabin door - Google Patents
Resettable self-rescue door lock and cabin door Download PDFInfo
- Publication number
- CN110905304B CN110905304B CN201911260932.9A CN201911260932A CN110905304B CN 110905304 B CN110905304 B CN 110905304B CN 201911260932 A CN201911260932 A CN 201911260932A CN 110905304 B CN110905304 B CN 110905304B
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- rescue
- self
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- block
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/10—Locks or fastenings for special use for panic or emergency doors
- E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a resettable self-rescue door lock. The door body is provided with a self-rescue locking block in a sliding manner, the rotation limiting sleeve cannot rotate when the self-rescue locking block is contacted with the rotation limiting part, and the rotation sleeve can rotate relative to the door body when the self-rescue locking block is separated from the rotation limiting part; the first lock column is sleeved on the transmission rod and driven by the transmission rod to synchronously rotate, the self-rescue lock block is matched with the rotation limiting part of the rotating sleeve under normal conditions, the rotating sleeve cannot rotate relative to the door body, and the first lock column can be driven to rotate only by rotating the outer handle or the inner handle, so that unlocking or locking is realized; when self rescue is needed, the self rescue locking block is moved to be separated from the rotating sleeve, the rotating sleeve can rotate relative to the door body, and the inner handle or the outer handle is rotated to enable the rotating sleeve to synchronously rotate at the moment, so that the door lock is opened; the components do not need to be removed during self rescue, and only the self rescue locking block needs to be moved during resetting, so that quick self rescue and resetting are realized.
Description
Technical Field
The invention relates to the technical field of shielded door locks, in particular to a resettable self-rescue door lock. In addition, the invention also provides the cabin door.
Background
The shielding performance requirement of the shielding shelter is high, the electromagnetic leakage of the shielding door is the largest and is the most difficult element to design, and the door lock is a difficult point of the shielding door. The shielding door lock commonly used at present uses a gear and a rack to drive a first lock post to slide up and down to lock the shielding door, and a lock tongue block can protrude out of a door frame to influence personnel to enter and exit a shelter.
In consideration of safety, a self-rescue device needs to be arranged on the shielding door, when the handle outside the cabin is locked, the self-rescue device can be opened in the cabin to automatically unlock the cabin, and people are prevented from being locked in the cabin; the door lock self-rescue device in the prior art is arranged at the outer end of the door handle, the door lock is released through the screw in the revolving door, the screw is unscrewed, a through hole can be formed in the cabin door, the requirement on the professional skill of an installer is high when the screw is installed again, the shielding performance can be required after the installation of general personnel, and the shielding strip embedded into the screw can be damaged after multiple uses and needs the shielding performance.
For the technicians in the field, how to rapidly reset the self-rescue device of the door lock is a technical problem to be solved at present.
Disclosure of Invention
The invention provides a resettable self-rescue door lock, which can realize quick self-rescue unlocking and resetting and has the following specific scheme:
a resettable self-rescue door lock comprises an outer handle and an inner handle, wherein the outer handle and the inner handle are kept to synchronously rotate through a transmission rod;
the transmission rod is inserted into the rotating sleeve, and the rotating sleeve can rotate relative to the door body; a locking block used for limiting the synchronous rotation of the outer handle is arranged on the rotating sleeve;
the self-rescue lock block is arranged on the door body in a sliding mode, and the sliding direction of the self-rescue lock block is parallel to the surface of the door body; the rotation limiting part is arranged on the rotation sleeve, and the rotation sleeve is limited from rotating when the self-rescue locking block is contacted with the rotation limiting part;
the first lock column is sleeved on the transmission rod and driven by the transmission rod to rotate synchronously, and the first lock column can extend out of the edge of the door body to be in contact with the door frame to realize locking.
Optionally, one end of the transmission rod is fixedly connected with the outer handle, and the other end of the transmission rod is provided with a prism and is in inserted fit with a prism hole arranged on the inner handle;
the prism arranged on the transmission rod is matched with the prism hole arranged on the first lock cylinder in an inserting manner.
Optionally, the rotation limiting part is a plane symmetrically milled on the rotating sleeve; the self-rescue locking block is a plate with a U-shaped notch at one end, and the plane oppositely arranged on the rotating sleeve is matched with the U-shaped notch for limiting; the other end of the self-rescue locking block is provided with a bent shifting block.
Optionally, the locking block is rotatably disposed on the rotating sleeve, and the locking block can be buckled to a locking pin protruding from the outer handle when rotating.
Optionally, a second lock cylinder is rotatably arranged on the door body and can extend out of the edge of the door body to be in contact with the door frame to realize locking;
the second lock cylinder and the first lock cylinder keep synchronous rotation through the transmission of a hinge rod.
Optionally, the door lock further comprises a lock tongue piece arranged on the door frame, and the lock tongue piece is used for limiting contact with the first lock cylinder and the second lock cylinder;
the surface of the lock tongue piece, which is in contact with the first lock cylinder, is an inclined surface, and the distance between the inclined surface and the door frame is gradually increased from the inlet to the inside.
Optionally, the lock cylinder shielding device further comprises a lock cylinder shielding member arranged between the rotating sleeve and the door body and between the rotating sleeve and the transmission rod.
Optionally, the door further comprises a waterproof sealing member arranged between the rotating sleeve and the door body and between the rotating sleeve and the transmission rod.
Optionally, a waist-shaped hole is formed in the self-rescue lock block along the length direction, and a bolt connected with the door body through threads penetrates through the self-rescue lock block;
the internal surface of the door body is provided with a guide block, and the guide block is used for guiding the self-rescue locking block.
The invention also provides a cabin door, which comprises the resettable self-rescue door lock.
The invention provides a resettable self-rescue door lock, wherein an outer handle and an inner handle are kept rotating synchronously through a transmission rod; the transmission rod is inserted into the rotating sleeve, and the rotating sleeve can rotate relative to the door body; the rotating sleeve is provided with a locking block for limiting the synchronous rotation of the outer handle, and after the locking block and the outer handle are relatively assembled, the locking block and the outer handle keep synchronous rotation and do not rotate relatively. The self-rescue lock block is arranged on the door body in a sliding manner and can slide along the parallel direction of the surface of the door body; the rotation limiting part is arranged on the rotation sleeve, the rotation limiting sleeve cannot rotate when the self-rescue locking block is contacted with the rotation limiting part, and the rotation sleeve can rotate relative to the door body when the self-rescue locking block is separated from the rotation limiting part; the first lock column is sleeved on the transmission rod and driven by the transmission rod to synchronously rotate, and the first lock column can extend out of the edge of the door body to be in contact with the door frame to realize locking; under normal conditions, the self-rescue locking block is matched with the rotation limiting part of the rotating sleeve, the rotating sleeve cannot rotate relative to the door body, the first lock column can be driven to rotate only by rotating the outer handle or the inner handle, unlocking or locking is realized, and at the moment, locking of the door lock is realized when the locking block is matched with the outer handle; when self rescue is needed, the self rescue locking block is moved to be separated from the rotating sleeve, the rotating sleeve can rotate relative to the door body, and the inner handle or the outer handle is rotated to enable the rotating sleeve to synchronously rotate at the moment, so that the door lock is opened; the components do not need to be removed during self rescue, and only the self rescue locking block needs to be moved during resetting, so that quick self rescue and resetting are realized.
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 block diagram of one embodiment of a resettable self-rescue door lock provided by the present invention;
FIG. 2 is a cross-sectional view of portion A-A of FIG. 1;
FIG. 3A is an exploded view of the resettable self-rescue door lock provided by the present invention;
FIG. 3B is a structural diagram of the inner side of the door in an assembled state of the resettable self-rescue door lock provided by the invention;
FIG. 4A is a front view of the latch block;
fig. 4B is a side view of the latch block.
The figure includes:
the lock comprises an outer handle 1, a lock pin 11, an inner handle 2, a transmission rod 3, a rotating sleeve 4, a locking block 41, a rotation limiting part 42, a self-rescue locking block 5, a kidney-shaped hole 51, a bolt 52, a guide block 53, a first lock column 6, a second lock column 7, a hinge rod 71, a lock tongue block 8, a lock cylinder shielding piece 91 and a waterproof sealing piece 92.
Detailed Description
The core of the invention is to provide a resettable self-rescue door lock which can realize quick self-rescue unlocking and resetting.
In order to make the technical scheme of the invention better understood by those skilled in the art, the resettable self-rescue door lock and the door of the invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a structural diagram of a specific embodiment of the resettable self-rescue door lock provided by the invention, and fig. 1 shows the structures of two states of unlocking and unlocking at the same time; FIG. 2 is a cross-sectional view of portion A-A of FIG. 1; the resettable self-rescue door lock provided by the invention comprises an outer handle 1, an inner handle 2, a transmission rod 3, a rotating sleeve 4, a self-rescue locking block 5, a first lock cylinder 6 and other structures, wherein two ends of the transmission rod 3 are respectively connected with the outer handle 1 and the inner handle 2, the outer handle 1 and the inner handle 2 are kept to rotate synchronously through the transmission rod 3, the length direction of the transmission rod 3 is vertical to the panel direction of a door body, and the outer handle 1 and the inner handle 2 can synchronously rotate relative to the door body.
A rotating sleeve 4 is further installed in the door body, the rotating sleeve 4 is of a cylindrical structure, the transmission rod 3 is inserted into the rotating sleeve 4, and the rotating sleeve 4 can rotate relative to the door body; the rotating sleeve 4 is provided with a locking block 41 for limiting the synchronous rotation of the outer handle 1, and when the locking block 41 does not lock the outer handle 1, the whole body connected with the outer handle 1, the inner handle 2 and the transmission rod 3 can rotate relative to the rotating sleeve 4; when the locking block 41 locks the outer handle 1, the whole of the connection of the outer handle 1, the inner handle 2 and the transmission rod 3 cannot rotate relative to the rotating sleeve 4, and at the moment, the outer handle 1 or the inner handle 2 cannot rotate when being pressed.
The door body is provided with a self-rescue locking block 5 in a sliding mode, the sliding direction of the self-rescue locking block 5 is parallel to the surface of the door body, the moving direction of the self-rescue locking block 5 can be horizontal and transverse moving, vertical moving or oblique moving, and the self-rescue locking block 5 can move within a certain range.
The self-rescue lock block 5 is used for being matched with the rotating sleeve 4, the rotation limiting portion 42 is arranged on the rotating sleeve 4, the self-rescue lock block 5 can only move linearly relative to the door body and cannot rotate, so that the rotating sleeve 4 is limited to rotate when the self-rescue lock block 5 is in contact with the rotation limiting portion 42, and the rotating sleeve 4 can rotate relative to the door body when the self-rescue lock block 5 is separated from the rotation limiting portion 42. The lock piece 5 of saving oneself keeps spacing with the limited rotation portion 42 contact on the rotating sleeve 4 under the normal condition, moves the lock piece 5 of saving oneself when needs save oneself, makes the lock piece 5 of saving oneself and the limited rotation portion 42 separation on the rotating sleeve 4 to but make the rotating sleeve 4 free rotation, outer handle 1, interior handle 2, transfer line 3 and rotating sleeve 4 form a whole and rotate jointly this moment.
The suit is first lock post 6 on the transfer line 3, the length direction of first lock post 6 is parallel with the face of the door body, first lock post 6 is driven by transfer line 3 and is rotated in step, the edge that first lock post 6 can stretch out the door body realizes the locking with the door frame contact, when first lock post 6 rotates to certain angle and stretches out outside the door body, can block that the door body rotates for the door frame, keep the door body to close, when first lock post 6 rotates to retract to the door body within range, first lock post 6 no longer contacts with the door frame, make a body free rotation.
The first lock cylinder 6, the outer handle 1, the inner handle 2 and the transmission rod 3 are integrally kept to synchronously rotate; under normal conditions, the self-rescue locking block 5 limits the rotating sleeve 4 to be incapable of rotating, and if the outer handle 1 and the rotating sleeve 4 are relatively locked through the locking block 41, the whole body formed by the outer handle 1, the inner handle 2, the transmission rod 3 and the first lock cylinder 6 cannot rotate; the movable self-rescue lock block 5 is separated from the rotating sleeve 4 during self rescue, the whole body formed by the outer handle 1, the inner handle 2, the transmission rod 3, the rotating sleeve 4 and the first lock column 6 rotates relative to the door body together, and after the first lock column 6 retracts to the range of the door body, the door body can rotate relative to the door frame to finish door opening. When the self-rescue lock is recovered, the rotating sleeve 4 is rotated to the initial position, and the self-rescue lock block 5 is moved to be in contact with the rotating sleeve 4.
The first lock column 6 is designed into a rotary structure, so that the defect that a lock tongue lock block protrudes out of a door frame due to the fact that the traditional lock column moves up and down is overcome, and the passing performance of the cabin door is guaranteed. In addition, the self-rescue lock block 5 adopts the form of mobile unlocking and locking, realizes quick unlocking and resetting, and does not need professional operation.
On the basis of the scheme, one end of the transmission rod 3 is fixedly connected with the outer handle 1, and the transmission rod and the outer handle are fixed into a whole; as shown in fig. 3A, which is an exploded view of the resettable self-rescue door lock provided by the present invention, fig. 3B is a structural view of the inner side of the door in an assembled state of the resettable self-rescue door lock provided by the present invention; the part of the transmission rod 3, which is contacted with the rotating sleeve 4, adopts a cylindrical periphery, the other end of the transmission rod 3 is provided with a prism, and the prism is in splicing fit with a prism hole arranged on the inner handle 2, so that the transmission rod 3 and the inner handle 2 keep synchronous rotation.
The prism that sets up on the transfer line 3 sets up the prism hole grafting cooperation with setting up on the first lock post 6, and first lock post 6 is located between interior handle 2 and the door body surface, and first lock post 6 is driven by transfer line 3 and is rotated. As shown in fig. 3A, one end of the transmission rod 3 is a quadrangular prism, and the transmission rod can be conveniently disassembled and assembled through the prism structure.
As shown in fig. 3A, the rotation limiting portion 42 is a plane symmetrically milled on the rotating sleeve 4; the self-rescue locking block 5 is a plate with a U-shaped notch at one end, a plane which is arranged on the rotating sleeve 4 relatively is matched with the U-shaped notch for limiting, and when the U-shaped notch of the self-rescue locking block 5 is inserted into a plane which is milled on the rotating sleeve 4, the rotating sleeve 4 cannot rotate relatively; the other end of the self-rescue lock block 5 is provided with a bent shifting block, and the shifting block is perpendicular to the surface of the door body, so that the hands of a person can apply acting force to the self-rescue lock block conveniently.
Specifically, the locking block 41 of the present invention is rotatably disposed on the rotating sleeve 4, the locking block 41 is annular, the locking block 41 can be locked to the protruding locking pin 11 disposed on the outer handle 1 when rotating, the locking pin 11 is a protruding block on the outer handle 1 and can be inserted into a hole in the middle of the locking block 41, and the locking pin 11 is provided with a through insertion hole, so that the locking block 41 cannot be separated from the outer handle 1 after inserting a locking ring or a rod.
Furthermore, as shown in fig. 1, a second lock cylinder 7 is rotatably disposed on the door body, the second lock cylinder 7 can rotate to extend out of the edge of the door body to be in contact with the door frame to realize locking, and the second lock cylinder 7 has the same function as the first lock cylinder 6 and is used for blocking the relative movement between the door body and the door frame.
The first lock cylinder 6 with the different second lock cylinder 7 is characterized in that the second lock cylinder 7 is directly connected to the door body in a rotating mode, the second lock cylinder 7 and the first lock cylinder 6 are driven by a hinge rod 71 to keep synchronous rotation, two ends of the hinge rod 71 are respectively connected with the first lock cylinder 6 and the second lock cylinder 7 in a hinged mode, the first lock cylinder 6, the second lock cylinder 7, the hinge rod 71 and the door body form a parallelogram mechanism, and when the first lock cylinder 6 is driven to rotate by an outer handle 1 or an inner handle 2, the hinge rod 71 drives the second lock cylinder 7 to rotate by the same angle; a handle can also be arranged on the second lock cylinder 7, and when the second lock cylinder 7 is driven by the handle to rotate actively, the first lock cylinder 6 can be driven to rotate.
The door lock further comprises a lock tongue block 8 arranged on the door frame, and a front view and a side view of the lock tongue block 8 are respectively shown in fig. 4A and 4B; the lock tongue block 8 is used for being in contact with the first lock column 6 and the second lock column 7 for limiting; the surface of the lock tongue piece 8, which is in contact with the first lock cylinder 6, is an inclined surface, the distance between the inclined surface and the door frame is gradually increased from the inlet inwards, namely the thickness of the lock tongue piece 8 is gradually increased from the inlet inwards; the thickness of the first lock column 6 or the second lock column 7 is the smallest when initially contacting the corresponding lock bolt block 8, the thickness of the first lock column 6 or the second lock column 7 which rotates inwards to contact the lock bolt block 8 is larger, the door body is further close to the door frame, and the sealing effect between the door body and the door frame is further provided.
On the basis of any technical scheme and the mutual combination of the technical schemes, the invention also comprises a lock cylinder shielding piece 91 arranged between the rotating sleeve 4 and the door body and between the rotating sleeve 4 and the transmission rod 3. The cylinder shield 91 is annular and is used to shield the gap between the components from radiation leakage.
Similarly, the invention also comprises a waterproof sealing element 92 which is arranged between the rotating sleeve 4 and the door body and between the rotating sleeve 4 and the transmission rod 3, wherein the waterproof sealing element 92 is used for isolating the gap between the components to play a waterproof role; the watertight seal 92 is closer to the outer handle 1 than to the cylinder shield 91.
As shown in fig. 3A, a waist-shaped hole 51 is formed in the self-rescue lock block 5 along the length direction, a bolt 52 connected with a screw thread on the door body penetrates through the self-rescue lock block 5, the bolt 52 can press the self-rescue lock block 5, and the bolt 52 is required to press the self-rescue lock block 5 under normal conditions, so that the self-rescue lock block 5 is prevented from moving accidentally; before the self-rescue lock block 5 is moved, the bolt 52 is firstly unscrewed, and the bolt 52 is matched with the kidney-shaped hole 51 on the self-rescue lock block 5 to play a guiding role, so that the moving range of the self-rescue lock block 5 is limited. The internal surface of the door body sets up guide block 53, sets up the guide slot on the guide block 53, and guide block 53 is used for direction self-rescue locking piece 5, makes self-rescue locking piece 5 slide along the guide slot that sets up on the guide block 53.
The invention also provides a cabin door, which comprises the resettable self-rescue door lock, the cabin door can achieve the same technical effect, and the rest parts of the cabin door refer to the prior art, so that the invention is not repeated herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A resettable self-rescue door lock is characterized by comprising an outer handle (1) and an inner handle (2), wherein the outer handle (1) and the inner handle (2) keep synchronous rotation through a transmission rod (3);
the transmission rod (3) is inserted into the rotating sleeve (4), and the rotating sleeve (4) can rotate relative to the door body; a locking block (41) used for limiting the synchronous rotation of the outer handle (1) is arranged on the rotating sleeve (4); when the locking block (41) does not lock the outer handle (1), the whole body connected with the outer handle (1), the inner handle (2) and the transmission rod (3) can rotate relative to the rotating sleeve (4);
the self-rescue lock block (5) is arranged on the door body in a sliding mode, and the sliding direction of the self-rescue lock block (5) is parallel to the surface of the door body; the rotation limiting part (42) is arranged on the rotating sleeve (4), and the self-rescue locking block (5) is limited to be incapable of rotating when being contacted with the rotation limiting part (42);
the door lock is characterized in that a first lock column (6) is sleeved on the transmission rod (3), the first lock column (6) is driven by the transmission rod (3) to rotate synchronously, and the first lock column (6) can extend out of the edge of the door body to be in contact with a door frame to realize locking.
2. The resettable self-rescue door lock according to claim 1, wherein one end of the transmission rod (3) is fixedly connected with the outer handle (1), and the other end is provided with a prism and is in plug fit with a prism hole arranged on the inner handle (2);
the prism arranged on the transmission rod (3) is in splicing fit with the prism hole arranged on the first lock column (6).
3. Resettable self-rescue door lock according to claim 1, wherein the rotation limiting portion (42) is a symmetrically milled plane on the rotation sleeve (4); the self-rescue locking block (5) is a plate with a U-shaped notch at one end, and the plane oppositely arranged on the rotating sleeve (4) is matched with the U-shaped notch for limiting; the other end of the self-rescue locking block (5) is provided with a bent shifting block.
4. Resettable self-rescue door lock according to claim 1, characterized in that the locking block (41) is rotatably arranged on the rotating sleeve (4), the locking block (41) being adapted to snap onto a protruding locking pin (11) on the outer handle (1) upon rotation.
5. The resettable self-rescue door lock according to claim 1, wherein a second lock cylinder (7) is rotatably arranged on the door body and can extend out of the edge of the door body to be in contact with a door frame to realize locking;
the second lock cylinder (7) and the first lock cylinder (6) keep synchronous rotation through the transmission of a hinge rod (71).
6. The resettable self-rescue door lock according to claim 5, further comprising a bolt block (8) arranged on a door frame, wherein the bolt block (8) is used for limiting contact with the first lock cylinder (6) and the second lock cylinder (7);
the surface of the lock tongue block (8) contacted with the first lock cylinder (6) is an inclined surface, and the distance between the inclined surface and the door frame is gradually increased from the inlet to the inside.
7. The resettable self-rescue door lock according to any one of claims 1 to 6, further comprising a cylinder shield (91) disposed between the rotating sleeve (4) and the door body, and between the rotating sleeve (4) and the transmission rod (3).
8. Resettable self-rescue door lock according to claim 7, further comprising a watertight seal (92) arranged between the rotating sleeve (4) and the door body, and between the rotating sleeve (4) and the transmission rod (3).
9. The resettable self-rescue door lock according to claim 7, wherein a kidney-shaped hole (51) is formed in the self-rescue lock block (5) along the length direction, and a bolt (52) which is connected with a door body through threads penetrates through the self-rescue lock block (5);
the internal surface of the door body is provided with a guide block (53), and the guide block (53) is used for guiding the self-rescue locking block (5).
10. A door comprising a resettable self-rescue door lock as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260932.9A CN110905304B (en) | 2019-12-10 | 2019-12-10 | Resettable self-rescue door lock and cabin door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260932.9A CN110905304B (en) | 2019-12-10 | 2019-12-10 | Resettable self-rescue door lock and cabin door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110905304A CN110905304A (en) | 2020-03-24 |
| CN110905304B true CN110905304B (en) | 2021-06-29 |
Family
ID=69824157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260932.9A Active CN110905304B (en) | 2019-12-10 | 2019-12-10 | Resettable self-rescue door lock and cabin door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110905304B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2919570A (en) * | 1957-09-26 | 1960-01-05 | Fred W Crew | Latch mechanism |
| DE8330967U1 (en) * | 1983-10-28 | 1984-01-26 | Klein, Karl Adolf, 6000 Frankfurt | QUICK RELEASE DEVICE FOR A LOCKED DOOR |
| GB8713184D0 (en) * | 1987-06-05 | 1987-07-08 | Laidlaw Thomson Group Plc | Magnetic key-operated door lock |
| NO313761B1 (en) * | 1996-06-13 | 2002-11-25 | Vingcard As | Device for locking, especially an electromagnetic locking unit |
| US5878606A (en) * | 1997-05-27 | 1999-03-09 | Reflectolite | Door lock for swinging door |
| DE10211704C1 (en) * | 2002-03-16 | 2003-08-14 | Steinbach & Vollmann | Lock for a refrigerating chamber comprises an outer handle which in the open position is fixed in a force-locking manner on a lock part on the door frame by an additional closing element containing a spring-loaded latch |
| AU2010202397B2 (en) * | 2009-06-19 | 2012-08-23 | AMS Australia Pty Ltd | Single handle opening of multiple independently operable locks |
| US8555685B2 (en) * | 2009-10-05 | 2013-10-15 | George Frolov | Electrically controlled door lock |
| CN104912405A (en) * | 2015-06-09 | 2015-09-16 | 广州御银自动柜员机技术有限公司 | Door frame locking device |
-
2019
- 2019-12-10 CN CN201911260932.9A patent/CN110905304B/en active Active
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| Publication number | Publication date |
|---|---|
| CN110905304A (en) | 2020-03-24 |
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