CN215255810U - Device for quickly disassembling door plate - Google Patents
Device for quickly disassembling door plate Download PDFInfo
- Publication number
- CN215255810U CN215255810U CN202023243962.XU CN202023243962U CN215255810U CN 215255810 U CN215255810 U CN 215255810U CN 202023243962 U CN202023243962 U CN 202023243962U CN 215255810 U CN215255810 U CN 215255810U
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- door
- locking
- door plant
- frame
- accommodating
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- 230000005540 biological transmission Effects 0.000 claims description 42
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a dismantle door plant device fast belongs to door and window technical field, including door plant inside casing, door plant frame with be used for with the door plant inside casing locking is in locking device on the door plant frame, be provided with the lug on the door plant inside casing side, be formed with on the door plant frame lateral surface and be used for the holding the recess of lug, be formed with the jack on the lug, locking device includes the biography power inserted bar and is used for control it establishes to pass the power inserted bar and be in the cover the jack is inside or be located the outside locking Assembly of jack. The utility model has the advantages that: this device divide into door plant inside casing, door plant frame with the door, through locking device with door plant inside casing and door plant frame locking, during daily use, be locking between door plant frame and the door plant inside casing, when calamity such as conflagration, earthquake takes place, if the lock can't in time be opened, just can directly unblock locking device this moment, separation door plant frame and door plant inside casing for people can flee fast.
Description
Technical Field
The utility model relates to a door and window technical field particularly, relates to a dismantle door plant device fast.
Background
The door that uses among people's daily life is mostly the door of ordinary type such as burglary-resisting door, does not have the function of fleing for one's life basically, and calamity such as conflagration, earthquake frequently appears again in people's daily life, especially conflagration, and people just need flee from rapidly in case the intensity of a fire rises, and the door then is the only export that people flee for one's life, can't in time open and will influence people's escape time this moment if the door, seriously threatens people's life health, causes the injury to people. In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
SUMMERY OF THE UTILITY MODEL
Door to using in people daily life who exists at present does not basically have the function of fleing for one's life, influences people's the time of fleing easily when calamity such as conflagration, earthquake takes place, threatens people's life health scheduling problem, the utility model provides a dismantle door plant device fast, including door plant inside casing, door plant frame with be used for with the door plant inside casing locking is in locking device on the door plant frame, be provided with the lug on the door plant inside casing side, be formed with on the door plant frame lateral surface and be used for the holding the recess of lug, be formed with the jack on the lug, locking device is including biography power inserted bar and being used for control it establishes to pass the power inserted bar and be in the cover the jack is inside or be located the outside locking Assembly of jack.
This device includes door plant inside casing, door plant frame and is used for with the door plant inside casing locking is in locking device on the door plant frame, when daily use, is locked between door plant frame and the door plant inside casing, does not influence normal use, when calamity such as conflagration, earthquake takes place, if the lock can't in time be opened, just can directly unblock locking device this moment, separation door plant frame and door plant inside casing for people can flee fast.
Preferably, two side edges of the outer frame of the door panel are provided with accommodating box bodies for accommodating the locking devices, and the locking assemblies are positioned in the accommodating box bodies.
The containing box body is used for protecting the internal locking assembly in daily life.
Preferably, the accommodating box body comprises an accommodating box body and an accommodating cover body arranged on the accommodating box body, a slideway arranged in the vertical direction is arranged on one side, close to the inner frame of the door plate, of the accommodating box body, and the side face of the accommodating cover body is arranged on the slideway.
Preferably, the accommodating box body is far away from one side of the side face of the inner frame of the door plate and is provided with a strip-shaped through hole arranged in the vertical direction, the accommodating cover body and one side, corresponding to the strip-shaped through hole, of the accommodating cover body are provided with a sliding handle capable of opening the accommodating cover body, and the sliding handle is arranged on the strip-shaped through hole.
Preferably, the locking assembly comprises a force transmission arm, a guide sleeve and a locking handle, one end of the locking handle is fixedly connected with one end of the force transmission arm, the other end of the force transmission arm is connected with one end of the force transmission inserted bar in a shaft mode, the force transmission inserted bar is sleeved in the guide sleeve, the force transmission arm is connected with the door plate outer frame through a shaft on one side of the guide sleeve, and the guide sleeve and the door plate outer frame connecting shaft are perpendicular to the central shaft of the guide sleeve.
Preferably, a heat insulation protective sleeve is arranged on the locking handle.
Preferably, the protruding block at one side of the inner frame of the door panel is rotatably connected with the outer frame of the door panel.
Preferably, the same side of the door panel outer frame comprises two or more groups of locking assemblies, and the locking assemblies are connected with each other through a connecting rod.
Preferably, the warning device is installed at the top of the door panel outer frame.
Preferably, the warning device includes temperature-sensing element, warning light and alarm, the warning light and the temperature-sensing element are installed door plant frame inboard, the alarm is installed the door plant frame outside.
Preferably, the door panel inner frame is provided with a door panel.
Has the advantages that:
adopt the utility model discloses technical scheme produces beneficial effect as follows:
(1) this device divide into door plant inside casing, door plant frame with people daily use's door, locks door plant inside casing and door plant frame through locking device, and when daily use, it is locking between door plant frame and the door plant inside casing, does not influence normal use, when calamity such as conflagration breaing out, earthquake, if the lock can't in time be opened, just can directly unblock locking device this moment, separation door plant frame and door plant inside casing for people can flee fast.
(2) The locking device comprises a force transmission inserted bar, a force transmission arm, a guide sleeve and a locking handle. When the locking handle is pulled downwards, the force transmission arm drives the force transmission inserted bar to be separated from the insertion hole in the convex block of the inner frame of the door plate, so that the locking device is unlocked; more than two sets of locking devices are connected with a connecting rod on the locking handle, so that one locking handle can be pulled to simultaneously drive the other locking device to unlock, the unlocking speed of the locking devices is improved, and people can conveniently escape.
(3) The setting holds the box body and can protect inside locking Assembly when daily life uses, reduces daily maintenance to can prevent children from touching by mistake.
(4) The warning device comprises a temperature sensing element, a warning lamp and an alarm, the warning lamp and the temperature sensing element are mounted on the inner side of the door plate outer frame, and the alarm is mounted on the outer side of the door plate outer frame. The temperature sensing element is used for sensing indoor temperature, when the indoor temperature reaches a certain degree, the temperature sensing element can trigger the warning lamp and the alarm, can be used for warning nearby people, and can play a role in timely reminding particularly after having a rest at night; the warning lamp is arranged indoors, and can give people guidance when disasters such as fire disasters occur indoors, so that escape exits can be found better.
(5) The convex block on one side of the inner frame of the door panel is rotatably connected with the outer frame of the door panel, so that people can conveniently escape quickly, and the door panel can be prevented from accidentally injuring people outdoors after being detached completely and is more labor-saving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a first schematic view of a preferred locking device of the present invention;
FIG. 2 is a second schematic view of the locking device of the present invention;
FIG. 3 is a first schematic view of the preferred escape door according to the first embodiment of the present invention;
FIG. 4 is a schematic view of a second preferred escape door according to the first embodiment of the present invention;
FIG. 5 is a schematic view of the first preferred escape door according to the second embodiment of the present invention;
fig. 6 is a schematic view of a second preferred escape door according to a second embodiment of the present invention.
In the figure: 1. a door panel inner frame; 2. a door panel outer frame; 3. a locking device; 4. an accommodation box body; 5. a warning device; 6. a door panel; 11. a bump; 111. a jack; 31. locking the handle; 32. a force transmission arm; 33. a force transmission inserted rod; 34. a guide sleeve; 35. a connecting rod; 41. an accommodation box body; 42. an accommodating cover body; 43. a strip-shaped through hole; 44. a sliding handle; 61. a handle.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3 or fig. 5, the utility model provides a dismantle door plant device fast, including door plant inside casing 1, door plant frame 2 and be used for locking door plant inside casing 1 locking device 3 on door plant frame 2, be provided with lug 11 on the door plant inside casing 1 side, be formed with the recess (not shown) that is used for holding lug 11 on the 2 lateral surfaces of door plant frame, be formed with jack 111 on the lug 11, locking device 3 includes biography power inserted bar 33 and is used for controlling to pass power inserted bar 33 and is in the cover and establish inside jack 111 or be located the outside locking Assembly of jack 111.
This device includes door plant inside casing 1, door plant frame 2 and is used for locking door plant inside casing 1 locking device 3 on door plant frame 2, and when daily use, be locking between door plant frame 2 and the door plant inside casing 1, do not influence normal use, when calamity such as conflagration breaing out, earthquake, if the lock can't in time be opened, just can directly unblock locking device 3 this moment, separation door plant frame 2 and door plant inside casing 1 for people can flee fast.
As shown in fig. 4 or fig. 6, as a preferred embodiment, the door panel outer frame 2 is provided at both sides with accommodating cases 4 for accommodating the locking devices 3, and locking members (not shown) are located in the accommodating cases 4.
The containment box 4 protects the internal locking assembly when used in daily life.
As a preferred embodiment, the accommodating box body 4 comprises an accommodating box body 41 and an accommodating cover body 42 mounted on the accommodating box body 41, the accommodating box body 41 is provided with a vertically arranged slideway on one side close to the door panel inner frame 1, and the accommodating cover body 42 is mounted on the slideway (not shown) on the side.
In a preferred embodiment, a strip-shaped through hole 43 is provided in the side of the accommodating box body 41 away from the inner frame 1 of the door panel in the vertical direction, a sliding handle 44 is mounted on the side of the accommodating cover body 42 corresponding to the strip-shaped through hole 43 for opening the accommodating cover body 42, and the sliding handle 44 is mounted on the strip-shaped through hole 43.
As a preferred embodiment, the locking assembly includes a force transmission arm 32, a guide sleeve 34 and a locking handle 31, one end of the locking handle 31 is fixedly connected with one end of the force transmission arm 32, the other end of the force transmission arm 32 is connected with one end of a force transmission inserted rod 33, the force transmission inserted rod 33 is sleeved in the guide sleeve 34, one side shafts of the force transmission arm 32 and the guide sleeve 34 are connected to the door panel outer frame 2, and the connecting shafts of the guide sleeve 34 and the door panel outer frame 2 are perpendicular to the central shaft of the guide sleeve 34.
As shown in fig. 1-2, the locking device 3 comprises a force transmission plunger 33, a force transmission arm 32, a guide sleeve 34 and a locking handle 31. When the locking handle 31 is pulled downwards, the force transmission arm 32 drives the force transmission inserted rod 33 to be separated from the inserted hole 111 in the convex block 11 of the inner frame 1 of the door panel, so that the locking device 3 is unlocked; more than two groups of locking devices 3 are connected with a connecting rod on the locking handle 31, so that when one locking handle 31 is pulled, the other locking device 3 can be driven to unlock, the unlocking speed of the locking device 3 is increased, and people can conveniently escape.
As shown in fig. 3 or 5, as a preferred embodiment, the locking handle 31 is provided with a heat-insulating protective sleeve (not shown).
As shown in fig. 5 to 6, as a preferred embodiment, the projection 11 on one side of the door panel inner frame 1 is rotatably connected to the door panel outer frame 2.
The convex block 11 on one side of the door panel inner frame 1 is rotatably connected with the door panel outer frame 2, so that people can conveniently escape quickly, the door panel can be prevented from accidentally injuring pedestrians outside the door after being detached, and simultaneously, the door panel inner frame is more labor-saving.
As shown in fig. 1, 3 and 5, as a preferred embodiment, the door panel outer frame 2 includes two or more sets of locking assemblies on the same side, and the locking assemblies are connected to each other through a connecting rod 35.
As shown in fig. 3 to 6, as a preferred embodiment, a warning device 5 is installed on the top of the door panel outer frame 2.
In a preferred embodiment, the warning device 5 includes a temperature sensing element (not shown), a warning light (not shown), and an alarm (not shown), the warning light and the temperature sensing element are installed inside the door panel frame 2, and the alarm is installed outside the door panel frame 2.
Be provided with alarm device 5, alarm device 5 includes temperature-sensing element, warning light and alarm, and warning light and temperature-sensing element are installed at 2 inboards of door plant frame, and the alarm is installed in 2 outsides of door plant frame. The temperature sensing element is used for sensing indoor temperature, when the indoor temperature reaches a certain degree, the temperature sensing element can trigger the warning lamp and the alarm, can be used for warning nearby people, and can play a role in timely reminding particularly after having a rest at night; the warning lamp is arranged indoors, and can give people guidance when disasters such as fire disasters occur indoors, so that escape exits can be found better.
As shown in fig. 3 to 6, as a preferred embodiment, a door panel 6 is mounted on the door panel inner frame 1.
The device will be further described below by means of two specific embodiments.
Example one
As shown in fig. 1-4, a device for quickly detaching a door panel, includes a door panel inner frame 1, a door panel outer frame 2 and a locking device 3 for locking the door panel inner frame 1 to the door panel outer frame 2, wherein a protrusion 11 is disposed on a side edge of the door panel inner frame 1, a groove for accommodating the protrusion 11 is formed on an outer side surface of the door panel outer frame 2, a jack 111 is formed on the protrusion 11, and the locking device 3 includes a force-transmitting insertion rod 33 and a locking component for controlling the force-transmitting insertion rod 33 to be located inside the jack 111 or outside the jack 111.
As shown in fig. 4, two side edges of the door panel outer frame 2 are provided with two sets of locking devices 3 distributed up and down, two side edges of the door panel outer frame 2 are provided with accommodating boxes 4 for accommodating the locking devices 3, and the locking assemblies are located in the accommodating boxes 4.
The accommodating box body 4 comprises an accommodating box body 41 and an accommodating cover body 42 installed on the accommodating box body 41, a slide way arranged in the vertical direction is arranged on the accommodating box body 41, and the side surface of the accommodating cover body 42 is installed on the slide way.
One side of the accommodating box body 41, which is far away from the side of the door panel inner frame 1, is provided with a bar-shaped through hole 43 arranged in the vertical direction, one side of the accommodating cover body 42, which corresponds to the bar-shaped through hole 43, is provided with a sliding handle 44 capable of opening the accommodating cover body 42, and the sliding handle 44 is arranged on the bar-shaped through hole 43 and connected with the accommodating cover body 42.
As shown in fig. 1-2, the locking assembly includes a force transmission arm 32, a guide sleeve 34 and a locking handle 31, one end of the locking handle 31 is fixedly connected with one end of the force transmission arm 32, the other end of the force transmission arm 32 is connected with one end of a force transmission inserted rod 33, the force transmission inserted rod 33 is sleeved in the guide sleeve 34, the force transmission arm 32 and one side of the guide sleeve 34 are connected with the door panel outer frame 2 through a shaft, and the guide sleeve 34 and the connecting shaft of the door panel outer frame 2 are perpendicular to the central shaft of the guide sleeve 34.
As shown in fig. 3, the locking handle 31 is provided with a heat insulating protective cover.
Two sets of locking components are arranged on the same side of the door plate outer frame 2 and are connected with each other through a connecting rod 35.
And a warning device 5 is arranged at the top of the door panel outer frame 2.
The warning device 5 comprises a temperature sensing element, a warning lamp and an alarm, the warning lamp and the temperature sensing element are mounted on the inner side of the door panel outer frame 2, and the alarm is mounted on the outer side of the door panel outer frame 2.
The door panel inner frame 1 is provided with a door panel 6. Is used for daily life passing of people.
The left side and the right side of the door panel inner frame 1 are also provided with handles 61, so that people can conveniently detach the door panel inner frame 1.
The specific use flow is as follows:
when a fire breaks out and escapes, a person in a room can hold the sliding handle 44 to slide downwards to open the locking handle 31 exposed from the accommodating cover body 42, then pull the locking handle 31 downwards to enable the force transmission inserted rod 33 to be separated from the insertion hole 111 in the projection 11, and then hold the handle 61 to move the door panel inner frame 1 outwards away from the door panel inner frame 1.
Example two
As shown in fig. 1-2 and 5-6, the utility model provides a dismantle door plant device fast, including door plant inside casing 1, door plant frame 2 and be used for locking door plant inside casing 1 locking device 3 on door plant frame 2, be provided with lug 11 on the door plant inside casing 1 side, be formed with the recess that is used for holding lug 11 on the 2 lateral surfaces of door plant frame, be formed with jack 111 on the lug 11, locking device 3 includes biography power inserted bar 33 and is used for controlling to pass power inserted bar 33 and is in the cover and establish inside jack 111 or be located the outside locking Assembly of jack 111.
As shown in fig. 6, two sets of locking devices 3 are arranged on the left side of the door panel outer frame 2, and are vertically distributed, and a containing box 4 for containing the locking devices 3 is arranged, and the locking components are located in the containing box 4.
The accommodating box body 4 comprises an accommodating box body 41 and an accommodating cover body 42 arranged on the accommodating box body 41, a slide way arranged in the vertical direction is arranged on one side of the accommodating box body 41 close to the door panel inner frame 1, and the side surface of the accommodating cover body 42 is arranged on the slide way.
One side of the accommodating box body 41, which is far away from the side of the door panel inner frame 1, is provided with a strip-shaped through hole 43 arranged in the vertical direction, one side of the accommodating cover body 42, which corresponds to the strip-shaped through hole 43, is provided with a sliding handle 44 capable of opening the accommodating cover body 42, and the sliding handle 44 is arranged on the strip-shaped through hole 43.
As shown in fig. 1-2, the locking assembly includes a force transmission arm 32, a guide sleeve 34 and a locking handle 31, one end of the locking handle 31 is fixedly connected with one end of the force transmission arm 32, the other end of the force transmission arm 32 is connected with one end of a force transmission inserted rod 33, the force transmission inserted rod 33 is sleeved in the guide sleeve 34, the force transmission arm 32 and one side of the guide sleeve 34 are connected with the door panel outer frame 2 through a shaft, and the guide sleeve 34 and the connecting shaft of the door panel outer frame 2 are perpendicular to the central shaft of the guide sleeve 34.
As shown in fig. 5, the locking handle 31 is provided with a heat insulating protective cover.
The right side convex block 11 of the door panel inner frame 1 is rotatably connected with the door panel outer frame 2.
The convex block 11 on one side of the door panel inner frame 1 is rotatably connected with the door panel outer frame 2, so that people can conveniently escape quickly, the door panel can be prevented from being disassembled completely and falling down, and then the pedestrians outside the door can be injured by mistake, and the door panel inner frame is more labor-saving.
And a warning device 5 is arranged at the top of the door panel outer frame 2.
The warning device 5 comprises a temperature sensing element, a warning lamp and an alarm, the warning lamp and the temperature sensing element are mounted on the inner side of the door panel outer frame 2, and the alarm is mounted on the outer side of the door panel outer frame 2.
The door panel inner frame 1 is provided with a door panel 6.
The specific use flow is as follows:
when a fire disaster happens and the escape is carried out, people in a room can hold the sliding handle 44 to slide downwards to open the locking handle 31 exposed from the inside of the accommodating cover body 42, then pull the locking handle 31 downwards to enable the force transmission inserted rod 33 to be separated from the insertion hole 111 in the convex block 11, and then directly push the inner frame 1 of the door panel outwards, so that the escape is carried out.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. The utility model provides a dismantle door plant device fast, its characterized in that, include door plant inside casing, door plant frame and be used for with the door plant inside casing locking is in locking device on the door plant frame, be provided with the lug on the door plant inside casing side, be formed with on the door plant frame lateral surface and be used for the holding the recess of lug, be formed with the jack on the lug, locking device is including biography power inserted bar and being used for control the biography power inserted bar is in the cover and establishes inside or be located the outside locking Assembly of jack.
2. The apparatus as claimed in claim 1, wherein the door frame is provided at two sides thereof with accommodating boxes for accommodating the locking devices, and the locking assemblies are located in the accommodating boxes.
3. The device for rapidly disassembling a door plank as claimed in claim 2, wherein the accommodating box body comprises an accommodating box body and an accommodating cover body mounted on the accommodating box body, a slide way arranged in a vertical direction is arranged on one side of the accommodating box body close to the inner frame of the door plank, and the side surface of the accommodating cover body is mounted on the slide way.
4. The device for rapidly disassembling a door plank as claimed in claim 3, wherein a strip-shaped through hole is vertically formed on one side of the accommodating box body away from the inner frame side of the door plank, a sliding handle capable of opening the accommodating cover body is installed on one side of the accommodating cover body corresponding to the strip-shaped through hole, and the sliding handle is installed on the strip-shaped through hole.
5. The device for quickly disassembling the door plate according to claim 1, wherein the locking assembly comprises a force transmission arm, a guide sleeve and a locking handle, one end of the locking handle is fixedly connected with one end of the force transmission arm, the other end of the force transmission arm is connected with one end of the force transmission inserted bar in a shaft mode, the force transmission inserted bar is sleeved in the guide sleeve, the force transmission arm and one side of the guide sleeve are connected to the door plate outer frame in a shaft mode, and the guide sleeve and the door plate outer frame connecting shaft are perpendicular to the central shaft of the guide sleeve.
6. A quick release door skin apparatus as claimed in claim 5, wherein said locking handle is provided with a heat insulating protective sheath.
7. The apparatus as claimed in claim 1, wherein the protrusions are rotatably connected to the outer frame.
8. The apparatus as claimed in claim 1, wherein the door frame comprises two or more locking assemblies on the same side, and the locking assemblies are connected to each other via a connecting rod.
9. The apparatus as claimed in claim 1, wherein a warning device is installed on the top of the outer frame of the door panel.
10. The device of claim 9, wherein the warning device comprises a temperature-sensing element, a warning light and an alarm, the warning light and the temperature-sensing element are mounted on the inner side of the outer frame of the door panel, and the alarm is mounted on the outer side of the outer frame of the door panel.
11. The apparatus as claimed in claim 1, wherein the door panel is mounted on the inner frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023243962.XU CN215255810U (en) | 2020-12-29 | 2020-12-29 | Device for quickly disassembling door plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023243962.XU CN215255810U (en) | 2020-12-29 | 2020-12-29 | Device for quickly disassembling door plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215255810U true CN215255810U (en) | 2021-12-21 |
Family
ID=79488454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023243962.XU Expired - Fee Related CN215255810U (en) | 2020-12-29 | 2020-12-29 | Device for quickly disassembling door plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215255810U (en) |
-
2020
- 2020-12-29 CN CN202023243962.XU patent/CN215255810U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |