CN210013571U - Quick-locking externally-mounted door lock - Google Patents
Quick-locking externally-mounted door lock Download PDFInfo
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- CN210013571U CN210013571U CN201920307419.XU CN201920307419U CN210013571U CN 210013571 U CN210013571 U CN 210013571U CN 201920307419 U CN201920307419 U CN 201920307419U CN 210013571 U CN210013571 U CN 210013571U
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- door
- lock
- bottom plate
- bolt assembly
- shifting fork
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Abstract
The utility model discloses an external door lock capable of being locked quickly, which comprises a bottom plate, a lock shell, a spring bolt component and a latch bolt component, wherein a peach-poking component for driving the spring bolt component to extend out or retract is also installed in the lock shell, the peach-poking component comprises a key door, a bottom plate shifting fork, a poking connecting rod and a knob positioned in the door, the knob is positioned at the inner side of the door and is installed at the outer wall of the lock shell, and a poking connecting rod pin is installed in a rectangular center hole at the inner side of the knob and is driven by the knob to; a sliding plate and a sliding plate torsion spring which are used for limiting the transverse sliding of the bolt assembly are also arranged in the lock shell, and a curved rod which is driven by a bottom plate shifting fork to move down to drive the latch assembly to retract into the lock shell is hinged on the bolt assembly; under the state of closing the door, when the door is opened outwards, the key door is rotated anticlockwise, the key door drives the bottom plate shifting fork to push the sliding block plate to move downwards, and the bottom plate shifting fork drives the latch bolt assembly to retract into the lock shell through the bent rod to realize one-step quick door opening.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a tool to lock trade, specific saying so relates to an adorn lock outward of quick shutting.
[ background of the invention ]
The existing lock installed on a door usually comprises a lock body, a dead bolt assembly installed on the lock body, an auxiliary dead bolt assembly and a dead bolt assembly, wherein the common lock bodies are an electric control type locking lock body and a mechanical type locking lock body; in addition, the internal structure of the lock body is more complex, so that the reliability and the safety of the lock body are greatly reduced.
In addition, various electric control locks used on the existing anti-theft door are all automatic locks, and the locks can be automatically locked as long as the door is closed, which brings inconvenience to daily life.
[ Utility model ] content
In order to solve the technical difficulty, the utility model provides a novel structure, dependable performance, control is convenient, has the quick shutting of multiple mode of opening adorns the lock outward.
The utility model provides a technical scheme that its technical problem adopted is:
a fast-locking externally-mounted door lock comprises a bottom plate, a lock shell, a spring bolt assembly and a latch bolt assembly, wherein a latch bolt, a latch bolt and a latch bolt rod on the latch bolt assembly are arranged on the inner upper side of the lock shell and are covered by the bottom plate, and the latch bolt spring sleeved on the latch bolt rod is reset under a normal state to push a latch bolt head arranged at the top end of the latch bolt rod to extend out of the lock shell;
the lock comprises a lock shell, a lock bolt assembly, a lock rod pin and a lock handle, wherein the lock shell is internally provided with a lock bolt assembly, the lock bolt assembly is arranged in the lock shell, the lock bolt assembly is driven by the lock bolt assembly to extend out of a lock door or retract to open the lock door, the lock bolt assembly comprises a key door, a bottom plate shifting fork, a shifting connecting rod and a knob positioned in the door, the key door is positioned at the inner side of the bottom plate and is shifted by a lock ruler to rotate, the knob is positioned at the inner side of the door and is arranged;
the bottom plate shifting fork is provided with an I-shaped groove which is respectively connected and matched with the end parts of the key door and the shifting connecting rod at the center, the corresponding shifting connecting rod end part is provided with a linear groove which is matched with a convex head extending inwards in the I-shaped groove, and the corresponding key door rear end is provided with a linear embedding groove which is matched with the convex head extending inwards in the I-shaped groove;
two sides of the bottom plate shifting fork are symmetrically provided with shifting fork shafts which extend along the axial direction and are used for shifting the lock tongue component to extend out of or retract into the lock shell, and the corresponding lock tongue component is provided with a W-shaped tooth socket meshed with the two shifting fork shafts;
the lock is characterized in that a sliding plate for limiting the transverse sliding of the spring bolt assembly and a sliding plate torsion spring are further arranged in the lock shell, the sliding plate torsion spring is arranged in the lock shell and pushes the sliding plate to move upwards along the longitudinal direction under the normal state, a W-shaped locking tooth groove for locking the transverse moving of the spring bolt assembly is transversely arranged in the middle of the sliding plate, and a limiting shaft matched with the W-shaped locking tooth groove is arranged on the corresponding spring bolt assembly;
a curved rod which drives the latch bolt assembly to retract into the lock shell under the poking action of the bottom plate shifting fork is hinged on the latch bolt assembly;
in a door closing state, when the door is opened outwards, the key door is rotated anticlockwise, the key door drives the bottom plate shifting fork, the bottom plate shifting fork overcomes the elasticity of the sliding plate torsion spring to push the sliding block plate to move downwards, the W-shaped locking tooth groove on the sliding block plate moves downwards to move the limiting shaft on the lock tongue component to release locking, meanwhile, the bottom plate shifting fork continues to rotate and drives the lock tongue component to retract through meshing with the W-shaped tooth groove, and when the key door rotates to 360 degrees, the retraction of the lock tongue component is completed; the key door continues to rotate anticlockwise, the key door continues to drive the bottom plate shifting fork, the bottom plate shifting fork drives the curved rod to deflect, and the curved rod drives the latch bolt assembly to retract into the lock shell to rapidly open the door;
when the door needs to be locked, the key door is rotated clockwise after the door is closed, the key door drives the bottom plate shifting fork, the bottom plate shifting fork drives the sliding block plate to move downwards to release the locking of the lock tongue component, and the bottom plate shifting fork continues to rotate to drive the lock tongue component to extend out to lock the door;
when the door is opened quickly in the door, the knob is rotated clockwise and anticlockwise to drive the toggle connecting rod, the toggle connecting rod drives the bottom plate shifting fork, the bottom plate shifting fork drives the sliding plate to move downwards, and meanwhile, the bottom plate shifting fork drives the spring bolt assembly to retract and the curved rod drives the latch bolt assembly to retract to open the door quickly.
Furthermore, a check ring which is matched with the knob on the peach pulling component in a rotating mode and is convenient for axial positioning of the knob is further installed in the lock shell.
Furthermore, the outer side wall of the lock shell is also provided with a handle which is used for pulling the latch bolt rod on the latch bolt component to withdraw the latch bolt into the lock shell.
Furthermore, a safety plate, a safety shifting piece and a safety torsion spring are further arranged in the lock shell, a safety button for driving the safety shifting piece to rotate is further arranged on the corresponding outer side wall of the lock shell, the lower side of the safety shifting piece is fixed on a driving shaft on the inner side of the safety button through a screw, a pushing shaft for driving the safety plate to slide upwards is fixed on the upper side of the safety shifting piece, an arc-shaped special-shaped hole matched with the driving shaft of the safety button and the pushing shaft is formed in the corresponding safety plate, the safety button is rotated after the door is locked in the door, the safety button moves upwards through the shifting piece safety plate and clamps the rear end of an oblique tongue rod on the oblique tongue assembly, the oblique tongue rod is prevented from moving backwards or moving rightwards, and the oblique tongue head of the oblique tongue assembly is prevented from retracting into; when the door is opened in the door, the safety knob needs to be rotated to move the safety plate downwards, and then the knob can be rotated to open the door.
Furthermore, a reversing hole is formed in the lock shell corresponding to the rear end of the latch bolt rod on the latch bolt assembly, a reversing spring and a reversing screw are arranged at the rear end of the corresponding latch bolt rod, when the direction of the latch bolt assembly needs to be changed, a cross screwdriver is inserted into the reversing hole in the rear end of the lock shell to be aligned with the reversing screw, the latch bolt head of the latch bolt assembly is forcefully pushed out of the lock shell, the reversing screw is rotated 180 degrees, and then the screwdriver is pulled out to retract the latch bolt assembly to the original position under the elastic force of the reversing spring.
The utility model has the advantages that:
the utility model discloses under the state of closing the door, through anticlockwise rotation key door when the door is opened outward, key door drives the bottom plate shift fork, and the bottom plate shift fork overcomes the elasticity of slide torsional spring and promotes the slider board to move down, and the W-shaped locking tooth's socket on the slider board moves down and relieve the locking to spacing axle on the spring bolt subassembly, and the bottom plate shift fork continues to rotate simultaneously and drives the spring bolt subassembly through the meshing with the W-shaped tooth's socket and withdraws, and the spring bolt subassembly retracts when the key door rotates 360 degrees and accomplishes; compared with the prior single-side bottom plate shifting fork, the angle is reduced by half; the key door continues to rotate anticlockwise, the key door continues to drive the bottom plate shifting fork, the bottom plate shifting fork drives the curved rod to deflect, and the curved rod drives the latch bolt assembly to retract into the lock shell, so that the door can be opened quickly by one step.
When the door needs to be locked, the key door is rotated clockwise after the door is closed, the key door drives the bottom plate shifting fork, the bottom plate shifting fork drives the sliding block plate to move downwards to release the locking of the lock tongue component, the bottom plate shifting fork continues to rotate to drive the lock tongue component to extend out, and the door can be locked in one step;
when the door is opened quickly in the door, the knob is rotated clockwise and anticlockwise, the knob drives the stirring connecting rod, the stirring connecting rod drives the bottom plate shifting fork, the bottom plate shifting fork drives the sliding plate to move downwards, meanwhile, the bottom plate shifting fork drives the spring bolt assembly to retract, the bent rod drives the latch bolt assembly to retract, and the door is opened quickly, so that one-step quick door opening action which is the same as that of the door outside is completed.
In addition, a safety component is arranged in the lock shell, a safety knob is rotated after the door is locked in the door, the safety knob moves upwards through a shifting piece safety plate to clamp the rear end of an oblique tongue rod on the oblique tongue component, the oblique tongue rod is prevented from moving backwards or a handle is prevented from moving rightwards, and an oblique tongue head of the oblique tongue component is prevented from retracting into the lock shell to play a role of anti-theft back locking.
When the direction of the oblique tongue component needs to be changed, a cross screwdriver is inserted into the reversing hole in the rear end of the lock shell to align the reversing screw, the oblique tongue head of the oblique tongue component is forcefully pushed out of the lock shell, the reversing screw is rotated by 180 degrees, and then the screwdriver is pulled out to retract the oblique tongue component to the original position under the elastic force of the reversing spring, so that the door body with different door opening directions can be suitable for door bodies.
[ description of the drawings ]
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is an enlarged schematic view of the three-dimensional structure of the peach-shifting assembly of the present invention;
fig. 3 is an enlarged schematic view of the three-dimensional structure of the middle shifting peach assembly and the retainer ring in the explosion state.
FIG. 4 is a schematic view of the inner side of the lock case without the normal bottom plate of the present invention;
FIG. 5 is a schematic view of the inner side structure of the lock case of the present invention with the door locked outside the bottom plate removed;
fig. 6 is a schematic view of the inner side structure of the lock case for removing the inner lock door of the bottom plate door and under the insurance state of the present invention.
[ detailed description ] embodiments
A kind of fast locked outer door lock, as shown in fig. 1 to fig. 6, including the bottom plate 1, lock shell 2, lock tongue assembly 3 and oblique tongue assembly 4, the oblique tongue 40, oblique tongue spring 41 and oblique tongue pole 42 on the oblique tongue assembly 4 are installed in the lock shell 2 inside the upside and covered by the bottom plate 1, the oblique tongue spring 41 that is mounted on the oblique tongue pole 42 resets under the normal state and pushes the oblique tongue head 40 set up on the top of the oblique tongue pole 42 to stretch out of the lock shell 2; the outer side wall of the lock shell 2 is also provided with a handle 5 for pulling a latch bolt rod 42 on the latch bolt assembly 4 to retract the latch bolt 40 into the lock shell 2.
As shown in fig. 1 to 3, a peach-poking component 6 for driving the bolt component 3 to extend out of the lock door or retract to open the door is further installed in the lock case 2, the peach-poking component 6 comprises a key door 60, a bottom plate shifting fork 61, a poking connecting rod 62 and a knob 63 located in the door, the key door 60 is located on the inner side of the bottom plate 1 and is poked by a lock ruler to rotate, the knob 63 is located on the inner side of the door and is installed on the outer wall of the lock case 2, and the poking connecting rod 62 is pinned in a rectangular central hole on the inner side of the knob 63 and is driven by; a retainer ring 64 which is matched with the knob 63 on the thumb wheel assembly 6 in a rotating way and is convenient for the knob 63 to be positioned and matched axially is also arranged in the lock shell 2.
As shown in fig. 1 to 6, the bottom plate fork 61 is centrally formed with an i-shaped groove 610 which is respectively connected and matched with the end of the key door 60 and the end of the toggle connecting rod 62, the corresponding end of the toggle connecting rod 62 is formed with a 'i' -shaped groove 620 which is matched with a convex head 611 extending inwards from the i-shaped groove 610, and the corresponding rear end of the key door 60 is formed with a 'i' -shaped caulking groove 600 which is matched with the convex head 611 extending inwards from the i-shaped groove 610; two sides of the bottom plate shifting fork 61 are symmetrically provided with shifting fork shafts 612 which extend along the axial direction and are used for shifting the bolt assembly 3 to extend out of or retract into the lock shell 2, and the corresponding bolt assembly 3 is provided with a W-shaped tooth groove 30 which is meshed with the two shifting fork shafts 612.
As shown in fig. 1 to 6, a slider plate 7 and a slider torsion spring 8 for limiting the transverse sliding of the latch bolt assembly 3 are further installed in the lock case 2, wherein the slider plate 7 is sleeved in the middle of a W-shaped tooth groove 30, which is formed in the latch bolt assembly 3 in a double-layer manner, corresponding to the plate body, the slider torsion spring 8 is installed in the lock case 2 and pushes the slider plate 7 to move upwards in the longitudinal direction in a normal state, a W-shaped locking tooth groove 70 for locking the transverse movement of the latch bolt assembly 3 is transversely formed in the middle of the slider plate 7, and a limit shaft 31 matched with the W-shaped locking tooth groove 70 is arranged on the corresponding; the bolt assembly 3 is hinged with a curved rod 9 which drives the latch bolt assembly 4 to retract into the lock shell 2 when being shifted by a bottom plate shifting fork 61.
In a door closing state, when the door is opened outwards, the key door 60 is rotated anticlockwise, the key door 60 drives the bottom plate shifting fork 61, the bottom plate shifting fork 61 overcomes the elasticity of the sliding plate torsion spring 8 to push the sliding plate 7 to move downwards, the W-shaped locking tooth groove 70 on the sliding plate 7 moves downwards to move away a limiting shaft on the lock tongue component 3 to release locking, meanwhile, the bottom plate shifting fork 61 continues to rotate and drives the lock tongue component 3 to retract through meshing with the W-shaped tooth groove 30, and when the key door 60 rotates to 360 degrees, the retraction of the lock tongue component 3 is completed; compared with the prior single-side bottom plate shifting fork 61, the angle is reduced by half; the key door 60 continues to rotate anticlockwise, the key door 60 continues to drive the bottom plate shifting fork 61, the bottom plate shifting fork 61 drives the curved rod 9 to deflect, and the curved rod 9 drives the latch bolt assembly 4 to retract into the lock shell 2, so that one-step rapid door opening outside the door is realized.
When the door needs to be locked, the key door 60 is rotated clockwise after the door is closed, the key door 60 drives the bottom plate shifting fork 61, the bottom plate shifting fork 61 drives the sliding block plate 7 to move downwards to release the locking of the lock tongue component 3, the bottom plate shifting fork 61 continues to rotate to drive the lock tongue component 3 to extend out, and the door can be locked in one step;
when the door is opened quickly in the door, the knob 63 is rotated clockwise and anticlockwise, the knob 63 drives the toggle connecting rod 62, the toggle connecting rod 62 drives the bottom plate shifting fork 61, the bottom plate shifting fork 61 drives the sliding plate 7 to move downwards, meanwhile, the bottom plate shifting fork 61 drives the bolt component 3 to retract, and the curved rod 9 drives the latch bolt component 4 to retract to open the door quickly, so that the one-step quick door opening action as that of the door outside is completed.
Meanwhile, as shown in fig. 1, 4 to 6, a safety plate 10, a safety shifting piece 11 and a safety button spring 12 are further arranged in the lock case 2, a safety button 13 for driving the safety shifting piece 11 to rotate is further arranged on the corresponding outer side wall of the lock case 2, the lower side of the safety shifting piece 11 is fixed on a driving shaft on the inner side of the safety button 13 through a screw 14, a pushing shaft 110 for driving the safety plate 10 to slide upwards is fixed on the upper side of the safety shifting piece 11, an arc-shaped special-shaped hole 100 matched with the driving shaft 130 of the safety button 13 and the pushing shaft 110 is arranged on the corresponding safety plate 10, the safety button 13 is rotated after the door is locked in the door, the safety button 13 moves upwards through the shifting piece safety plate 10 to clamp the rear end of a latch rod 42 on the latch assembly 4, the latch rod 42 is prevented from moving backwards or the handle 5 moves rightwards, and the latch head 40 of the latch assembly 4 is prevented from retracting into the lock case 2 to; when the door is opened in the door, the safety knob 13 needs to be rotated to move the safety plate 10 downwards, and then the knob 63 can be rotated to open the door.
In addition, as shown in fig. 1, 4 to 6, a reversing hole 20 is formed in the lock case 2 corresponding to the rear end of the latch bolt rod 42 on the latch bolt assembly 4, a reversing spring 15 and a reversing screw 16 are arranged at the rear end of the corresponding latch bolt rod 42, when the direction of the latch bolt assembly 4 needs to be changed, a cross screwdriver is inserted into the reversing hole in the rear end of the lock case 2 to align with the reversing screw 16, the latch bolt head 40 of the latch bolt assembly 4 is forcibly pushed out of the lock case 2 while the reversing screw 16 is rotated 180 degrees, and then the screwdriver is pulled out to retract the latch bolt assembly 4 to the original position under the elastic force of the reversing spring 15.
The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, and all equivalent changes made by the shape, structure and principle of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A fast-locking externally-mounted door lock comprises a bottom plate, a lock shell, a spring bolt assembly and a latch bolt assembly, wherein a latch bolt, a latch bolt and a latch bolt rod on the latch bolt assembly are arranged on the inner upper side of the lock shell and are covered by the bottom plate, and the latch bolt spring sleeved on the latch bolt rod is reset under a normal state to push a latch bolt head arranged at the top end of the latch bolt rod to extend out of the lock shell; the method is characterized in that:
the lock comprises a lock shell, a lock bolt assembly, a lock rod pin and a lock handle, wherein the lock shell is internally provided with a lock bolt assembly, the lock bolt assembly is arranged in the lock shell, the lock bolt assembly is driven by the lock bolt assembly to extend out of a lock door or retract to open the lock door, the lock bolt assembly comprises a key door, a bottom plate shifting fork, a shifting connecting rod and a knob positioned in the door, the key door is positioned at the inner side of the bottom plate and is shifted by a lock ruler to rotate, the knob is positioned at the inner side of the door and is arranged;
the bottom plate shifting fork is provided with an I-shaped groove which is respectively connected and matched with the end parts of the key door and the shifting connecting rod at the center, the corresponding shifting connecting rod end part is provided with a linear groove which is matched with a convex head extending inwards in the I-shaped groove, and the corresponding key door rear end is provided with a linear embedding groove which is matched with the convex head extending inwards in the I-shaped groove;
two sides of the bottom plate shifting fork are symmetrically provided with shifting fork shafts which extend along the axial direction and are used for shifting the lock tongue component to extend out of or retract into the lock shell, and the corresponding lock tongue component is provided with a W-shaped tooth socket meshed with the two shifting fork shafts;
the lock is characterized in that a sliding plate for limiting the transverse sliding of the spring bolt assembly and a sliding plate torsion spring are further arranged in the lock shell, the sliding plate torsion spring is arranged in the lock shell and pushes the sliding plate to move upwards along the longitudinal direction under the normal state, a W-shaped locking tooth groove for locking the transverse moving of the spring bolt assembly is transversely arranged in the middle of the sliding plate, and a limiting shaft matched with the W-shaped locking tooth groove is arranged on the corresponding spring bolt assembly;
a curved rod which drives the latch bolt assembly to retract into the lock shell under the poking action of the bottom plate shifting fork is hinged on the latch bolt assembly; in a door closing state, when the door is opened outwards, the key door is rotated anticlockwise, the key door drives the bottom plate shifting fork, the bottom plate shifting fork overcomes the elasticity of the sliding plate torsion spring to push the sliding block plate to move downwards, the W-shaped locking tooth groove on the sliding block plate moves downwards to move the limiting shaft on the lock tongue component to release locking, meanwhile, the bottom plate shifting fork continues to rotate and drives the lock tongue component to retract through meshing with the W-shaped tooth groove, and when the key door rotates to 360 degrees, the retraction of the lock tongue component is completed; the key door continues to rotate anticlockwise, the key door continues to drive the bottom plate shifting fork, the bottom plate shifting fork drives the curved rod to deflect, and the curved rod drives the latch bolt assembly to retract into the lock shell to rapidly open the door;
when the door needs to be locked, the key door is rotated clockwise after the door is closed, the key door drives the bottom plate shifting fork, the bottom plate shifting fork drives the sliding block plate to move downwards to release the locking of the lock tongue component, and the bottom plate shifting fork continues to rotate to drive the lock tongue component to extend out to lock the door;
when the door is opened quickly in the door, the knob is rotated clockwise and anticlockwise to drive the toggle connecting rod, the toggle connecting rod drives the bottom plate shifting fork, the bottom plate shifting fork drives the sliding plate to move downwards, and meanwhile, the bottom plate shifting fork drives the spring bolt assembly to retract and the curved rod drives the latch bolt assembly to retract to open the door quickly.
2. A quick lock external door lock according to claim 1 wherein the housing further incorporates a retainer ring for rotational engagement with the knob of the thumb wheel assembly and for facilitating axial positioning engagement of the knob.
3. A quick lock external door lock according to claim 1 wherein the outer side wall of the housing is further provided with a pull handle for pulling the latch rod on the latch assembly to retract the latch head into the housing.
4. The quick-locking externally-mounted door lock according to claim 3, wherein the lock case is further provided with a safety plate, a safety shifting piece and a safety torsion spring, the corresponding outer side wall of the lock case is further provided with a safety button for driving the safety shifting piece to rotate, the lower side of the safety shifting piece is fixed on a driving shaft at the inner side of the safety button through a screw, a pushing shaft for driving the safety plate to slide upwards is fixed at the upper side of the safety shifting piece, the corresponding safety plate is provided with an arc-shaped special-shaped hole matched with the driving shaft of the safety button and the pushing shaft, the safety knob is rotated after the door is locked in the door, the safety knob moves upwards through the shifting piece safety plate to clamp the rear end of the latch rod on the latch bolt assembly, the latch rod is prevented from moving backwards or rightwards, and the latch head of the latch bolt assembly is prevented from retracting into the lock case to play; when the door is opened in the door, the safety knob needs to be rotated to move the safety plate downwards, and then the knob can be rotated to open the door.
5. The quick-locking externally-mounted door lock according to claim 1, wherein the latch bolt assembly has a reversing hole at the rear end of the latch bolt rod, and a reversing spring and a reversing screw are provided at the rear end of the latch bolt rod, when the direction of the latch bolt assembly needs to be changed, a cross screwdriver is inserted into the reversing hole at the rear end of the lock housing to align with the reversing screw, the latch bolt head of the latch bolt assembly is forcibly pushed out of the lock housing while the reversing screw is rotated 180 degrees, and then the screwdriver is pulled out to retract the latch bolt assembly to the original position under the elastic force of the reversing spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307419.XU CN210013571U (en) | 2019-03-11 | 2019-03-11 | Quick-locking externally-mounted door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307419.XU CN210013571U (en) | 2019-03-11 | 2019-03-11 | Quick-locking externally-mounted door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013571U true CN210013571U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920307419.XU Active CN210013571U (en) | 2019-03-11 | 2019-03-11 | Quick-locking externally-mounted door lock |
Country Status (1)
| Country | Link |
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| CN (1) | CN210013571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764939A (en) * | 2021-09-08 | 2021-12-07 | 中国电子科技集团公司第十四研究所 | Locking fastener soon |
-
2019
- 2019-03-11 CN CN201920307419.XU patent/CN210013571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764939A (en) * | 2021-09-08 | 2021-12-07 | 中国电子科技集团公司第十四研究所 | Locking fastener soon |
| CN113764939B (en) * | 2021-09-08 | 2023-11-24 | 中国电子科技集团公司第十四研究所 | Quick locking fastener |
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