CN214684933U - Frame frock is pieced together to civil air defense door frame - Google Patents
Frame frock is pieced together to civil air defense door frame Download PDFInfo
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- CN214684933U CN214684933U CN202023276584.5U CN202023276584U CN214684933U CN 214684933 U CN214684933 U CN 214684933U CN 202023276584 U CN202023276584 U CN 202023276584U CN 214684933 U CN214684933 U CN 214684933U
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Abstract
The application relates to a civil air defense door frame splicing tool which comprises a bottom plate, wherein two support frames are fixedly connected to the top surface of the bottom plate, the support frames are respectively positioned at two ends of the bottom plate and are symmetrical, each support frame comprises a sliding barrel and a sliding rod, each sliding barrel is provided with a sliding groove penetrating through the end surfaces of two ends of each sliding barrel, the end surface of one end of each sliding barrel is fixedly connected to the top surface of the bottom plate, each sliding rod is slidably connected into the corresponding sliding groove of each sliding barrel, the bottom surface of each sliding rod is fixedly connected with a threaded rod, and a lifting mechanism for driving the threaded rod to lift is installed in each sliding barrel; the sliding rod is fixedly connected with a fixing frame, the fixing frame is internally provided with a door frame, and the fixing frame is provided with a fixing mechanism for fixing the door frame. This application has the effect of the damage that reduces the door frame.
Description
Technical Field
The application relates to the technical field of civil air defense doors, in particular to a civil air defense door frame splicing tool.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.
The utility model discloses a chinese utility model that bulletin number is CN202684422U at present discloses a frame frock is pieced together to steel door frame, which comprises a frame, many positioning ribs of frame internal fixation, be fixed with a plurality of locating pieces on the positioning rib, the door frame is located between the locating piece, the locating piece includes horizontal locating piece, vertical locating piece, horizontal locating piece is fixed in the left side or the right side of positioning rib, vertical locating piece is fixed in the central point of positioning rib puts.
With respect to the related art in the above, the inventors consider that: when welding the door frame, need weld the gap of door frame linking department, above-mentioned scheme is when welding the door frame, and earlier after accomplishing the welding of one side, need weld the another side upset and come, and it is big to overturn the degree of difficulty in the upset in-process, and destroys the part that has welded easily, causes the damage of door frame.
SUMMERY OF THE UTILITY MODEL
In order to reduce the damage of door frame, this application provides a frame frock is pieced together to civil air defense door frame.
The application provides a pair of frame frock is pieced together to civil air defense door frame adopts following technical scheme:
the civil air defense door frame splicing tool comprises a bottom plate, wherein two support frames are fixedly connected to the top surface of the bottom plate, the support frames are respectively positioned at two ends of the bottom plate and are symmetrical, each support frame comprises a sliding barrel and a sliding rod, each sliding barrel is provided with a sliding groove penetrating through the end surfaces of two ends of each sliding barrel, the end surface of one end of each sliding barrel is fixedly connected to the top surface of the bottom plate, each sliding rod is slidably connected into the corresponding sliding groove of each sliding barrel, the bottom surface of each sliding rod is fixedly connected with a threaded rod, and a lifting mechanism for driving the threaded rod to lift is installed in each sliding barrel; the sliding rod is fixedly connected with a fixing frame, the fixing frame is internally provided with a door frame, and the fixing frame is provided with a fixing mechanism for fixing the door frame.
By adopting the technical scheme, when the civil defense door frame is assembled, the door frame is placed on the fixing frame according to the design requirement, the door frame is fixed by the fixing mechanism, and then the door frame is welded; elevating system drive threaded rod rises, and the threaded rod drives the slide bar and upwards slides in the spout, and the slide bar will fix frame jack-up, and when fixed frame rose suitable position, operating personnel welded the junction of door frame bottom surface again, need not to overturn the door frame, alright with weld the door frame, improved the convenience of staff's operation, also reduce the damage to the door frame in operation process equally.
Optionally, all install fixed establishment on the every side inner wall of fixed frame, fixed establishment includes backup pad and baffle, the terminal surface rigid coupling of backup pad one end in on the fixed frame inner wall, the side rigid coupling of baffle one side in the top surface of backup pad, and be located and keep away from the side of fixed frame one side, the door frame sets up the top surface of backup pad, just the inner wall butt of door frame is close to one side of fixed frame inner wall in the baffle, fixed establishment is still including being used for locking the locking Assembly of door frame.
Through adopting above-mentioned technical scheme, when welding the door frame, correspond earlier and place each limit of door frame in fixed establishment's backup pad, utilize locking Assembly to press from both sides each limit of door frame and baffle tightly fixed, after the door frame welding was accomplished, remove locking Assembly to the control of door frame, take out the door frame that the welding was accomplished, utilize fixed establishment can improve the convenience of operating personnel operation to staff's work efficiency can be improved.
Optionally, a plurality of spring grooves have still been seted up to fixed frame inner wall, the spring groove with fixed establishment one-to-one, the spring groove is located the top surface of backup pad, locking Assembly includes fixture block and elastic spring, the fixture block is located the spring inslot, the fixture block is kept away from the one end of spring groove bottom surface extends outside the spring groove, the fixture block is kept away from the terminal surface butt of spring groove bottom surface one end in the outer wall of door frame, elastic spring sets up the spring inslot, elastic spring one end rigid coupling in the bottom surface of spring groove, and the other end rigid coupling in the fixture block is close to the bottom surface of spring groove.
Through adopting above-mentioned technical scheme, when needs place each limit of door frame in the backup pad, through promoting the fixture block, fixture block extrusion elastic spring contracts to the spring inslot, and the door frame is placed in the backup pad, carries out the butt with fixture block and door frame under elastic spring's effect, and the door frame is supported tightly by fixture block and baffle, when needs take off the door frame, can directly mention the door frame alright dismantle with the completion to can further improve the convenience of staff's operation.
Optionally, the side surface of the fixture block, which is far away from one side of the support plate, includes a plane section and a slope section, the plane section is close to the spring groove, and the slope section is close to the door frame.
Through adopting above-mentioned technical scheme, because the fixture block includes plane section and domatic section, when pushing down the door frame to the backup pad on, the domatic section of door frame extrusion fixture block, the fixture block receives the extrusion of door frame to the spring inslot shrink, until door frame and backup pad butt, door frame and fixture block terminal surface butt, more through manual promotion fixture block, the inclined plane that utilizes domatic section can directly press the door frame to the backup pad on to can improve the convenience of staff's operation.
Optionally, a plurality of gaskets are arranged between the inner wall of the door frame and the side of the baffle plate close to the door frame, the side of the gasket far away from the baffle plate abuts against the inner wall of the door frame, and the side of the gasket far away from the door frame abuts against the side of the baffle plate close to the door frame.
Through adopting above-mentioned technical scheme, because be provided with a plurality of gaskets between baffle and the door frame, utilize the gasket can adjust the interval between each deckle board tip of door frame to guarantee to contact well between each deckle board, make the welding between the door frame deckle board more inseparable, be favorable to improving door frame welded quality.
Optionally, elevating system includes threaded sleeve, bearing, worm wheel and worm, threaded sleeve sets up in the spout, and the cover establish on the threaded rod and with threaded rod screw drive, the coaxial rigid coupling of inner ring of bearing in on the telescopic outer wall of threaded rod, the outer loop rigid coupling of bearing in the inner wall of spout, the coaxial rigid coupling of worm wheel in the telescopic outer wall of threaded rod, the one end of worm rotate connect in on the inner wall of spout, the worm other end extends outside the spout, the worm with worm wheel intermeshing.
Through adopting above-mentioned technical scheme, go up and down as needs drive threaded rod, drive the worm wheel through the drive worm and rotate, the worm wheel rotates and drives the screw sleeve and rotate, screw sleeve alright lift in order to drive the threaded rod, lift up through the manual work than, utilize elevating system can use manpower sparingly to can improve staff's work efficiency.
Optionally, the threaded rod is far away from the end face of one end of the sliding rod and fixedly connected with a limiting plate.
Through adopting above-mentioned technical scheme, because the terminal surface rigid coupling that the slide bar one end was kept away from to the threaded rod has the limiting plate, utilize the limiting plate outside in order to hinder threaded rod roll-off thread sleeve, be favorable to guaranteeing elevating system's normal use.
Optionally, the threaded rod is close to the terminal surface rigid coupling of slide bar one end has the connecting plate, the connecting plate is kept away from the side butt of threaded rod one side in the slide bar is close to the side of threaded rod one side, the connecting plate with slide bar bolted connection.
By adopting the technical scheme, the connecting plate is fixedly connected to the end part, close to one end of the sliding rod, of the threaded rod, the connecting plate is connected with the sliding rod through a bolt, the sliding rod is connected with the threaded rod through welding directly, and the connecting plate can be used for facilitating the disassembly and installation of workers.
In summary, the present application includes at least one of the following beneficial technical effects:
when the civil defense door frame is assembled, the door frame is placed on the fixing frame according to the design requirement, the door frame is fixed by the fixing mechanism, and then the door frame is welded; the lifting mechanism drives the threaded rod to ascend, the threaded rod drives the sliding rod to slide upwards in the sliding groove, the sliding rod jacks up the fixed frame, when the fixed frame is lifted to a proper position, an operator can weld the joint of the bottom surface of the door frame again, the door frame can be welded without overturning, the operation convenience of the operator is improved, and the damage to the door frame in the operation process is also reduced;
the method comprises the following steps of firstly, correspondingly placing each edge of the door frame on a supporting plate of a fixing mechanism, clamping and fixing each edge of the door frame and a baffle plate by using a locking assembly, removing the control of the locking assembly on the door frame after the door frame is welded, taking out the welded door frame, and improving the operation convenience of operators by using the fixing mechanism, so that the working efficiency of the operators can be improved;
when the threaded rod needs to be driven to lift, the worm gear is driven to rotate through the driving worm, the worm gear rotates to drive the threaded sleeve to rotate, the threaded sleeve can lift up and down through the driving threaded rod, and compared with manual lifting, the lifting mechanism can save labor, so that the working efficiency of workers can be improved.
Drawings
Fig. 1 is a structural schematic diagram of a frame frock is pieced together to civil air defense door frame of this application embodiment.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
Description of reference numerals: 1. a base plate; 2. a support frame; 21. a slide cylinder; 211. a chute; 22. a slide bar; 23. a threaded rod; 24. a limiting plate; 25. a connecting plate; 3. a lifting mechanism; 31. a threaded sleeve; 32. a bearing; 33. a worm gear; 34. a worm; 341. a hand wheel; 4. a fixing frame; 41. a spring slot; 5. a door frame; 6. a fixing mechanism; 61. a support plate; 62. a baffle plate; 63. a locking assembly; 631. a clamping block; 6311. a planar section; 6312. a slope surface section; 632. an elastic spring; 64. and (7) a gasket.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses frame frock is pieced together to civil air defense door frame. Referring to fig. 1, the civil air defense doorframe frame assembling tool comprises a bottom plate 1, the bottom plate 1 is a cuboid thin plate, two support frames 2 are fixedly connected to the top surface of the bottom plate 1, the two support frames 2 are respectively positioned at the middle positions of the two ends of the bottom plate 1, each support frame 2 comprises a sliding barrel 21 and a sliding rod 22, each sliding barrel 21 is a cuboid, each sliding barrel 21 is provided with a sliding groove 211 penetrating through the end surface of each sliding barrel 21, the end surface of one end of each sliding groove 211 is vertically and fixedly connected to the bottom surface of the bottom plate 1, each sliding rod 22 is cylindrical, each sliding rod 22 is slidably connected in each sliding groove 211, each threaded rod 23 is vertically arranged on the end surface of one end, close to the bottom plate 1, of each threaded rod 23 is fixedly connected to a connecting plate 25, each connecting plate 25 is circular plate-shaped, the diameter of each connecting plate 25 is consistent with the diameter of each sliding rod 22, the end surface, close to each sliding rod 22, abuts against the end surface of one end, close to each threaded rod 23, of each connecting plate 25 is connected with each sliding rod 22 through a bolt, the connecting plate 25 can be used for facilitating the disassembly and assembly of workers; the slide groove 211 is provided with an elevating mechanism 3 for driving the threaded rod 23 to ascend and descend.
Referring to fig. 1, the end face of the sliding rod 22 far away from one end of the bottom plate 1 is provided with a fixed frame 4, the fixed frame 4 is in a frame shape, the fixed frame 4 is horizontally arranged, the side face of one side, close to the sliding rod 22, of the fixed frame 4 is fixedly connected to the sliding rod 22, the two sliding rods 22 are respectively and fixedly connected to the middle positions of two frame plates symmetrical to the fixed frame 4, a door frame 5 to be welded is arranged in the middle of the fixed frame 4, and the fixed frame 4 is provided with a fixing mechanism 6 used for fixing the door frame 5.
When the civil defense door frame 5 is assembled, the door frame 5 is placed on the fixing frame 4 according to the design requirement, the door frame 5 is fixed by the fixing mechanism 6, and then the door frame 5 is welded; elevating system 3 drive threaded rod 23 rises, and threaded rod 23 drives slide bar 22 and upwards slides in spout 211, and slide bar 22 is with fixed frame 4 jack-up, and when fixed frame 4 rose suitable position, operating personnel welded the junction of door frame 5 bottom surface again, need not to overturn door frame 5, alright with weld door frame 5, improved the convenience of staff's operation, also reduced the damage to door frame 5 in operation process equally.
Referring to fig. 1 and 2, two fixing mechanisms 6 are mounted on each inner wall of a frame plate of the fixed frame 4, the fixing mechanisms 6 are close to two ends of the frame plate of the fixed frame 4, each fixing mechanism 6 comprises a support plate 61 and a baffle plate 62, the support plate 61 is a rectangular thin plate, one end of the support plate 61 is vertically and fixedly connected to the inner wall of the fixed frame 4, and the bottom surface of the support plate 61 is coplanar with the bottom surface of the fixed frame 4; the baffle plate 62 is a rectangular flat plate, and the end surface of one end of the baffle plate 62 is fixedly connected to the top surface of the support plate 61 and is positioned at one end far away from the fixed frame 4; eight spring slots 41 are formed in the inner wall of the fixing frame 4, the eight spring slots 41 correspond to the eight support plates 61 one by one, the spring slots 41 are located on the top surfaces of the support plates 61, the spring slots 41 are rectangular, the fixing mechanism 6 further includes a locking assembly 63, the locking assembly 63 includes a fixture block 631 and an elastic spring 632, the fixture block 631 is slidably connected to the spring slots 41, one end of the fixture block 631 extends out of the spring slots 41 and is located on the top surface of the support plates 61, the top surface of the fixture block 631 is provided with a plane section 6311 and a slope section 6312, the plane section 6311 is located at one end of the fixture block 631 close to the bottom surface of the spring slot 41, the slope section 6312 is located at one end of the fixture block 631 close to the baffle 62, the elastic spring 632 is located in the spring slots 41, one end of the elastic spring 632 is fixedly connected to the bottom surface of the spring slots 41, the other end of the elastic spring 632 is fixedly connected to the end surface of the fixture block 631 close to the bottom surface of the spring slots 41, the frame 5 is placed on the support plates 61, the end surface of the stop block 631 close to one end of the baffle plate 62 abuts against the outer wall of the door frame 5, and the end surface of the baffle plate 62 close to one end of the stop block 631 abuts against the inner wall of the fixed frame 4; be provided with a plurality of gaskets 64 between fixed frame 4 inner wall and the baffle 62, gasket 64 is the cuboid sheet metal, the side butt of gasket 64 one side in the inner wall of fixed frame 4, the side butt of gasket 64 leading one side is close to the lateral wall of fixture block 631 one side in baffle 62, utilize gasket 64 can adjust the interval between each deckle board tip of door frame 5, contact well between each deckle board in order to guarantee, make the welding more inseparable between the 5 deckle boards of door frame, be favorable to improving 5 welded quality of door frame.
When the door frame 5 is welded, the slope surface segment 6312 of the fixture block 631 is extruded by the frame plate of the door frame 5, the fixture block 631 is extruded by the door frame 5, the fixture block 631 contracts towards the inside of the spring groove 41, the elastic spring 632 is extruded until the door frame 5 abuts against the support plate 61, at this time, the end surface of the fixture block 631, which is close to the baffle plate 62, abuts against the outer wall of the door frame 5, the side surface of the baffle plate 62, which is close to the fixture block 631, abuts against the inner wall of the door frame 5, and the door frame 5 is fixed; after door frame 5 welding was accomplished, can directly mention door frame 5, fixture block 631 just removes door frame 5's control, utilizes fixing mechanism 6 can improve the convenience of operating personnel operation to staff's work efficiency can be improved.
Referring to fig. 1 and 3, the lifting mechanism 3 includes a threaded sleeve 31, a bearing 32, a worm wheel 33 and a worm 34, the threaded sleeve 31 is sleeved on the threaded rod 23 and is in threaded transmission with the threaded rod 23, and the threaded sleeve 31 is located in the sliding groove 211; the number of the bearings 32 is two, the inner rings of the two bearings 32 are coaxially and fixedly connected to two ends of the threaded sleeve 31, and the outer rings of the two bearings 32 are fixedly connected to the inner wall of the sliding groove 211; the worm wheel 33 is coaxially and fixedly connected to the threaded sleeve 31, the worm wheel 33 is positioned between the two bearings 32, one end of the worm 34 is rotatably connected to the inner wall of the sliding groove 211, the other end of the worm 34 extends out of the sliding cylinder 21, the end part of the worm is fixedly connected with the hand wheel 341, and the worm 34 and the worm wheel 33 are meshed with each other; the end face of one end, away from the slide bar 22, of the threaded rod 23 is fixedly connected with a limiting plate 24, the limiting plate 24 is in a circular plate shape, the diameter of the limiting plate 24 is larger than the inner diameter of the threaded sleeve 31, and the limiting plate 24 is utilized to prevent the threaded rod 23 from sliding out of the threaded sleeve 31, so that the normal use of the lifting mechanism 3 is guaranteed.
When needs drive threaded rod 23 goes up and down, drive worm wheel 33 through drive worm 34 and rotate, worm wheel 33 rotates and drives threaded sleeve 31 and rotate, threaded sleeve 31 alright go up and down with drive threaded rod 23, lift up through the manual work than, utilize elevating system 3 can use manpower sparingly to can improve staff's work efficiency.
The implementation principle of frame frock is pieced together to civil air defense door frame of this application embodiment is: the slope surface segment 6312 of the fixture block 631 is extruded by the frame plate of the door frame 5, the fixture block 631 is extruded by the door frame 5, the fixture block 631 contracts towards the inside of the spring groove 41, the elastic spring 632 is extruded until the door frame 5 abuts against the support plate 61, at this time, the end surface of the fixture block 631, which is close to the baffle plate 62, abuts against the outer wall of the door frame 5, the side surface of the baffle plate 62, which is close to one side of the fixture block 631, abuts against the inner wall of the door frame 5, the door frame 5 is fixed, and then the door frame 5 is welded; elevating system 3 drive threaded rod 23 rises, and threaded rod 23 drives slide bar 22 and upwards slides in spout 211, and slide bar 22 is with fixed frame 4 jack-up, and when fixed frame 4 rose suitable position, operating personnel welded the junction of door frame 5 bottom surface again, need not to overturn door frame 5, alright with weld door frame 5, improved the convenience of staff's operation, also reduced the damage to door frame 5 in operation process equally.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a frame frock is pieced together to people's air defense door frame which characterized in that: the lifting device comprises a bottom plate (1), wherein two support frames (2) are fixedly connected to the top surface of the bottom plate (1), the support frames (2) are respectively positioned at two ends of the bottom plate (1) and are symmetrical, each support frame (2) comprises a sliding barrel (21) and a sliding rod (22), each sliding barrel (21) is provided with a sliding groove (211) penetrating through the end surfaces of two ends of each sliding barrel (21), one end surface of each sliding barrel (21) is fixedly connected to the top surface of the bottom plate (1), each sliding rod (22) is slidably connected into each sliding groove (211) of each sliding barrel (21), a threaded rod (23) is fixedly connected to the bottom surface of each sliding rod (22), and a lifting mechanism (3) used for driving each threaded rod (23) to lift is installed in each sliding barrel (21); two slide bar (22) are kept away from the terminal surface rigid coupling of bottom plate (1) one end has fixed frame (4), be provided with door frame (5) in fixed frame (4), install on fixed frame (4) and be used for fixing fixed establishment (6) of door frame (5).
2. The people's air defense door frame assembling tool according to claim 1, characterized in that: all install fixed establishment (6) on the every side inner wall of fixed frame (4), fixed establishment (6) include backup pad (61) and baffle (62), the terminal surface rigid coupling of backup pad (61) one end in on fixed frame (4) inner wall, the side rigid coupling of baffle (62) one side in the top surface of backup pad (61), and be located and keep away from the side of fixed frame (4) one side, door frame (5) set up the top surface of backup pad (61), just the inner wall butt of door frame (5) is close to one side of fixed frame (4) inner wall in baffle (62), fixed establishment (6) are still including being used for locking component (63) of door frame (5).
3. The people's air defense door frame assembling tool according to claim 2, characterized in that: the inner wall of the fixed frame (4) is also provided with a plurality of spring grooves (41), the spring grooves (41) correspond to the fixed mechanisms (6) one by one, the spring groove (41) is positioned on the top surface of the support plate (61), the locking component (63) comprises a clamping block (631) and an elastic spring (632), the fixture block (631) is positioned in the spring groove (41), one end of the fixture block (631) far away from the bottom surface of the spring groove (41) extends out of the spring groove (41), the end surface of one end of the fixture block (631) far away from the bottom surface of the spring groove (41) is abutted against the outer wall of the door frame (5), the elastic spring (632) is arranged in the spring groove (41), one end of the elastic spring (632) is fixedly connected with the bottom surface of the spring groove (41), and the other end is fixedly connected with the bottom surface of the fixture block (631) close to the spring groove (41).
4. The people's air defense door frame assembling tool according to claim 3, characterized in that: the side face, far away from the supporting plate (61), of the fixture block (631) comprises a plane section (6311) and a slope section (6312), the plane section (6311) is close to the spring groove (41), and the slope section (6312) is close to the door frame (5).
5. The people's air defense door frame assembling tool according to claim 2, characterized in that: the novel door frame is characterized in that a plurality of gaskets (64) are arranged between the inner wall of the door frame (5) and the side face, close to the door frame (5), of the baffle plate (62), the side face, far away from the baffle plate (62), of the gasket (64) abuts against the inner wall of the door frame (5), and the side face, far away from the door frame (5), of the gasket (64) abuts against the side face, close to the door frame (5), of the baffle plate (62).
6. The people's air defense door frame assembling tool according to claim 1, characterized in that: elevating system (3) are including threaded sleeve (31), bearing (32), worm wheel (33) and worm (34), threaded sleeve (31) set up in spout (211), and the cover establish on threaded rod (23) and with threaded rod (23) screw transmission, the coaxial rigid coupling of inner ring of bearing (32) in on the outer wall of threaded sleeve (31), the outer loop rigid coupling of bearing (32) in the inner wall of spout (211), the coaxial rigid coupling of worm wheel (33) in the outer wall of threaded sleeve (31), the one end of worm (34) rotate connect in on the inner wall of spout (211), the worm (34) other end extends outside slide cartridge (21), worm (34) with worm wheel (33) intermeshing.
7. The people's air defense door frame assembling tool according to claim 6, characterized in that: and a limiting plate (24) is fixedly connected to the end face of one end, far away from the sliding rod (22), of the threaded rod (23).
8. The people's air defense door frame assembling tool according to claim 1, characterized in that: threaded rod (23) are close to the terminal surface rigid coupling of slide bar (22) one end has connecting plate (25), connecting plate (25) are kept away from the side butt of threaded rod (23) one side in slide bar (22) are close to the side of threaded rod (23) one side, connecting plate (25) with slide bar (22) bolted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276584.5U CN214684933U (en) | 2020-12-29 | 2020-12-29 | Frame frock is pieced together to civil air defense door frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276584.5U CN214684933U (en) | 2020-12-29 | 2020-12-29 | Frame frock is pieced together to civil air defense door frame |
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| Publication Number | Publication Date |
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| CN214684933U true CN214684933U (en) | 2021-11-12 |
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| CN202023276584.5U Active CN214684933U (en) | 2020-12-29 | 2020-12-29 | Frame frock is pieced together to civil air defense door frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156820A (en) * | 2022-07-30 | 2022-10-11 | 武汉莱常富商贸有限公司 | Aluminum alloy door frame positioning and mounting system |
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2020
- 2020-12-29 CN CN202023276584.5U patent/CN214684933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156820A (en) * | 2022-07-30 | 2022-10-11 | 武汉莱常富商贸有限公司 | Aluminum alloy door frame positioning and mounting system |
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