CN210195028U - Slat internal partition wall door opening structure and internal partition wall - Google Patents

Slat internal partition wall door opening structure and internal partition wall Download PDF

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Publication number
CN210195028U
CN210195028U CN201920442846.9U CN201920442846U CN210195028U CN 210195028 U CN210195028 U CN 210195028U CN 201920442846 U CN201920442846 U CN 201920442846U CN 210195028 U CN210195028 U CN 210195028U
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prefabricated
door frame
door
prefabricated door
slurry storage
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Langping Shu
舒浪平
Dong Zhang
张东
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舒浪平
张东
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Abstract

The utility model discloses a slat inner partition wall door opening structure and an inner partition wall, which comprises a prefabricated door head plate, a prefabricated door frame vertical plate and a prefabricated door frame upright post, wherein the design of the prefabricated door head plate avoids the splicing of the door head plate at the corner position in the door opening which is most prone to cracking in the existing slat inner partition wall door opening structure; the upper part of the prefabricated door frame vertical plate body is provided with an L-shaped notch, so that the prefabricated door head plate and the prefabricated door frame vertical plate can be in staggered joint and occluded connection conveniently; prefabricated door head plates, prefabricated door frame vertical plates and prefabricated door frame upright columns are respectively provided with a prefabricated slurry storage tank and a joint tank at the outer sides of the prefabricated door frame upright columns, the prefabricated door head plates are assembled on the prefabricated door frame vertical plates and the prefabricated door frame upright columns to form door openings, and mortar is densely filled in the prefabricated slurry storage tanks at the splicing positions to form secondary connectors with the function of inner bolts for fixedly connecting; paving a net in the joint groove at the edge of the abutted seam, plastering and leveling to connect; to sum up the utility model discloses a door opening structure possesses stronger resistance, has thoroughly solved because the frequent vibrations that open and shut of door and the problem that door opening concatenation department ftractures appears.

Description

Slat internal partition wall door opening structure and internal partition wall
Technical Field
The utility model belongs to partition wall door opening structure field in the slat especially relates to a partition wall door opening structure and interior partition wall in slat.
Background
When the partition wall is installed in the slat, a door opening is one of important nodes, the door head board is spliced at the corner position in the door opening in the existing slat partition wall door opening structure, and due to frequent opening and closing of a door, the inner corner on the upper portion of the door opening is easy to crack at the transverse and vertical splicing seams, so that special construction treatment is needed when the door opening is installed, and according to market investigation, the problem of cracking of the door opening is solved by adopting the following scheme in the existing construction operation. Generally, a door opening of a room is arranged at a position close to an adjacent wall or a constructional column at one corner of the room, and is kept at a distance of about 20cm from the adjacent wall or the constructional column, so that a door body after being opened is stopped at the corner as much as possible, and the space utilization rate of a passage and the room is improved.
The first scheme is as follows: cutting the existing inner partition wall batten into a door frame upright post; processing a spigot on the existing inner partition wall batten to manufacture a vertical plate of the door frame; cutting the existing lightweight inner partition wall batten to a corresponding length to manufacture a door head plate; two ends of the door head plate are lapped on the seam allowance of the door frame vertical plate and the door frame upright post to form a door opening, an inner corner position A is formed at the splicing position of the upper part of the door opening, and the spliced seam at the inner corner position A is easy to crack, please refer to 26. Compared with the prefabricated products of the factory, the door head plate, the door frame vertical plate and the door frame upright post which are cut on site have larger geometric size deviation and poorer mutual matching, thus causing uneven size of spliced gaps; the splicing surfaces of the door head plate, the door frame vertical plate and the door frame upright post are bonded by joint filling mortar, the door frame upright post is fixed with a wall body or a constructional column by an anti-seismic card, and the splicing surfaces are bonded by the joint filling mortar, so that the thickness of the joint filling mortar in the splicing seams is different due to the uneven size of the splicing seams, and the bonding strength at the splicing positions of the door openings is lower; in order to further prevent cracking and level joints in the prior art, a layer of grid cloth and anti-cracking mortar are required to be coated on a large-area integral wall surface for leveling after splicing is finished so as to enhance the anti-cracking capability of the spliced part and level the joints. After the door opening built in this way is used for a period of time by a user, due to frequent opening and closing vibration of the door, the cracking phenomenon of the seams of the door head plates, the vertical plates of the door frame and the upright columns of the door frame at the inner corners is found; the phenomenon of cracking also occurs at the splicing part of the door frame upright post and the wall body or the constructional column. The secondary construction grid cloth and anti-crack mortar are adopted for plastering and leveling, so that the method has the defects of long construction period, high construction cost, high labor intensity and the like; moreover, the method can not ensure that the splicing position of the corner in the door opening and the splicing position of the door frame upright post and the wall body or the constructional column do not crack.
Scheme II: the adoption of in-situ pouring and in-situ building of door openings belongs to the old wet method operation, and has the advantages of more construction waste, high cost and long construction period.
Meanwhile, the operation modes of constructing the door opening, casting the door opening in site and building the door opening in site are cut, dust and garbage pollution are large, and the assembly type green building guide advocated at present is not met.
Therefore, the utility model provides a thoroughly solve because the frequent vibrations that open and shut of door appear door opening concatenation department fracture prevent interior partition wall slat door opening structure that splits.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a solve because the frequent vibrations that open and shut of door appear door opening concatenation department fracture prevent partition wall door opening structure and interior partition wall in the slat.
The utility model discloses a realize like this, a partition wall door opening structure in slat, including prefabricated door head board, prefabricated door frame riser, prefabricated door frame stand, its characterized in that:
the prefabricated door head plate comprises a door head part and two door frame connecting parts, the door head part and the door frame connecting parts are integrally prefabricated and formed, the number of the door frame connecting parts is two, the door frame connecting parts are in mirror symmetry below the prefabricated door head plate, and the distance between the two door frame connecting parts is equal to the width of a reserved door opening; the outer side edge of the prefabricated door head plate is provided with a communicated first seam slot; two side surfaces of the prefabricated door head plate are provided with first prefabricated slurry storage tanks, and the lower end surface of the door frame connecting part is provided with second prefabricated slurry storage tanks communicated with the first prefabricated slurry storage tanks;
the upper part of the prefabricated door frame vertical plate is provided with an L-shaped notch for placing a prefabricated door head plate, and the inner side surface of the L-shaped notch is provided with a through third prefabricated slurry storage tank along the height direction and the horizontal direction; a fourth prefabricated slurry storage tank is arranged on the side surface of the door frame vertical plate, which is opposite to the L-shaped notch, along the height direction; a second seam connecting groove is formed in the outer edge of the prefabricated door frame vertical plate;
the width of the prefabricated door frame upright column is equal to that of the door frame connecting part of the prefabricated door head plate; a fifth prefabricated slurry storage tank is arranged on the upper end face of the prefabricated door frame upright column, a sixth prefabricated slurry storage tank is arranged on the side face of the prefabricated door frame upright column along the height direction, and a third joint groove is arranged on the outer side edge of the prefabricated door frame upright column;
the prefabricated door head plate is assembled on the L-shaped notch of the prefabricated door frame vertical plate and the corresponding prefabricated door frame upright post to form a door opening; the first prefabricated slurry storage groove and the second prefabricated slurry storage groove on one side of the prefabricated door head plate are spliced with the third prefabricated slurry storage groove of the prefabricated door frame vertical plate to form a first slurry storage channel; a second prefabricated slurry storage groove on the other side of the prefabricated door head plate is spliced with a fifth prefabricated slurry storage groove of the prefabricated door frame upright post to form a second slurry storage channel; mortar is densely filled in the first and second mortar storage channels for connection, and a secondary connector with an inner bolt function is formed after the mortar is solidified;
splicing a second seam groove at the edge of the L-shaped gap of the prefabricated door frame vertical plate with a first seam groove of the prefabricated door head plate on the corresponding side to form a first anti-crack edge sealing groove; and splicing a third seam groove at the upper end part of the prefabricated door frame upright column with a first seam groove at the lower edge of a door frame connecting part of the prefabricated door head plate on the corresponding side to form a second anti-crack edge sealing groove, and paving gridding cloth and anti-crack mortar in the first and second anti-crack edge sealing grooves to form an anti-crack connecting body.
The utility model discloses can also adopt following technical characteristic:
preferably, reinforcing steel bars are pre-embedded in the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame vertical column.
Preferably, the steel bars pre-embedded in the door frame connecting part of the prefabricated door head plate extend out of the lower end face of the door frame connecting part; a steel bar inserting sleeve is embedded at the L-shaped gap of the prefabricated door frame vertical plate corresponding to the extending steel bar; a steel bar inserting sleeve is embedded in the prefabricated door frame upright post corresponding to the extending steel bar; the reinforcing steel bars at the lower ends of the two door frame connecting parts of the prefabricated door head plate are correspondingly inserted in the reinforcing steel bar inserting sleeves of the prefabricated door frame vertical plate and the prefabricated door frame upright post.
Preferably, reinforcing steel bar inserting sleeves are pre-embedded in the two door frame connecting parts of the prefabricated door head plate; a steel bar inserting sleeve is embedded in the L-shaped notch of the prefabricated door frame vertical plate corresponding to the position of the steel bar inserting sleeve; a steel bar inserting sleeve is pre-embedded in the prefabricated door frame upright post corresponding to the position of the steel bar inserting sleeve; and respectively inserting reinforcing steel bar components into the reinforcing steel bar inserting sleeve of the prefabricated door head plate, the reinforcing steel bar inserting sleeve of the prefabricated door head plate and the reinforcing steel bar inserting sleeve of the prefabricated door frame upright post for connection.
Preferably, a plurality of baffles are integrally prefabricated in a fourth prefabricated slurry storage tank on the opposite side of the L-shaped notch of the prefabricated door frame vertical plate along the height direction and/or a plurality of baffles are integrally prefabricated in a sixth prefabricated slurry storage tank on the side of the prefabricated door frame vertical plate along the height direction; the height of the baffle is less than the depth of the prefabricated slurry storage tank.
Preferably, a seventh prefabricated slurry storage tank is arranged on the upper end face of the door head of the prefabricated door head plate and/or an eighth prefabricated slurry storage tank is arranged on the upper end face of the prefabricated door frame vertical plate.
Preferably, the width of the notch of the first to seventh preliminary slurry storage tanks is greater than the width of the bottom of the preliminary slurry storage tank.
Preferably, a prefabricated grouting opening communicated with the fourth prefabricated slurry storage tank is formed in the prefabricated door frame vertical plate; and a prefabricated grouting opening communicated with the sixth prefabricated slurry storage tank is arranged on the prefabricated door frame upright post.
Preferably, the prefabricated door frame vertical plate body on the L-shaped notch side is of a solid structure; and a central hole is prefabricated in the prefabricated door frame vertical plate body along the height direction on the other side of the L-shaped notch.
The utility model discloses still relate to an interior partition wall with door opening, include the wall body and the door opening that form by the concatenation of interior partition slat, its characterized in that: the door opening adopts the door opening structure.
The utility model adopts the above technical scheme, have following advantage and technological effect:
1. the two door frame connecting parts and the door head part of the prefabricated door head plate form the inner corner of the door opening, the defect that the door opening is spliced at the position of the inner corner which is most prone to cracking in the existing door opening structure is overcome, and the integrally prefabricated door head plate changes the splicing position of the door opening structure to the two sides of the door opening, namely the door frame connecting parts of the prefabricated door head plate and the L-shaped notch binding surface of the prefabricated door frame vertical plate are arranged on the L-shaped notch binding surface; thereby thoroughly solved current door opening structure and spliced the door head board in the door opening internal corner position that produces the fracture most easily and arouse the problem of door opening concatenation department fracture. Simultaneously, the integrally prefabricated door head plate is also engaged with the prefabricated door frame vertical plate with the L-shaped notch in a staggered manner, so that the firmness of connection of the prefabricated door head plate and the prefabricated door frame vertical plate is improved.
2. The prefabricated slurry storage grooves are formed in the L-shaped notches of the prefabricated door frame vertical plates, the upper end surfaces of the prefabricated door frame upright columns and the two sides of the prefabricated door head plate; when the door opening is actually built, the prefabricated slurry storage grooves which are correspondingly spliced are spliced to form a slurry storage channel, and mortar is densely filled in the slurry storage channel; the prefabricated door head plate is bonded and connected with the prefabricated door frame vertical plate and the prefabricated door head plate and the prefabricated door frame upright post through mortar filled in the mortar storage channel, a secondary connector formed after the mortar is solidified is thick and has strong bonding force, and the formed secondary connector is equivalent to an inner bolt which has strong resistance and effectively prevents the prefabricated door head plate and the prefabricated door frame vertical plate and the prefabricated door head plate and the prefabricated door frame upright post from relative displacement and deformation due to external force.
3. When a door opening is actually built, a slurry storage channel is formed between a prefabricated door head plate and a prefabricated slurry storage groove for prefabricating the side surface of a door frame upright post and splicing surfaces of spliced walls or constructional columns, and mortar is densely filled in the slurry storage channel; the prefabricated door head plate and the prefabricated door frame stand column are connected with the wall body or the constructional column in an adhesion mode through mortar filled in the mortar storage channel, a secondary connector formed after the mortar is solidified is thick and has strong bonding force, meanwhile, an expansion bolt for fixedly mounting the prefabricated door frame stand column and the secondary connector form an integrated structure, the prefabricated door head plate has strong resistance, the prefabricated door head plate is effectively prevented from being caused by external force, relative displacement occurs between the prefabricated door frame stand column and the wall body or the constructional column, the firmness of connection with the wall body or the constructional column is improved, and the problem that the prefabricated door frame stand column and the prefabricated door head plate are cracked with the wall body or the constructional column is solved.
4. When actually building a door opening, splicing the prefabricated door head plate, the prefabricated door frame vertical plate and the corresponding spliced seam slots at the edges of the prefabricated door frame upright posts to form an anti-crack edge sealing slot, and paving grid cloth and anti-crack mortar in the anti-crack edge sealing slot to form an anti-crack connecting body. The anti-cracking connector and the secondary connector firmly connect the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post together from inside to outside, and completely solve the problem that the door opening splicing part cracks due to frequent opening and closing vibration of the door; in addition, the anti-crack edge sealing groove has the effect of leveling the splicing seam, and a layer of grid cloth and anti-crack mortar are not needed to be coated on the large-area whole wall surface for leveling in the later period, so that the construction cost is reduced, and the construction efficiency is improved.
5. The steel bars are pre-embedded in the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post, so that the bending strength and the compressive strength of the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post are further improved.
6. At the pre-buried reinforcing bar of stretching out down the terminal surface of door frame connecting portion or pre-buried reinforcing bar plug-in mounting cover in the door frame connecting portion, when actually putting up the door opening the utility model discloses a prefabricated door head board is assembled rather than supporting prefabricated door frame riser, the cooperation of prefabricated door frame stand, specifically say: the reinforcing bar cartridge of terminal surface stretches out down in the reinforcing bar cartridge cover of pre-buried door frame riser L type breach department and the reinforcing bar cartridge cover of prefabricated door frame stand up end in door frame connecting portion, perhaps pre-buried reinforcing bar cartridge cover in door frame connecting portion realizes connecting through cartridge reinforcing bar component with pre-buried reinforcing bar cartridge cover and the reinforcing bar cartridge cover of prefabricated door frame stand up end in door frame riser L type breach department respectively, and closely knit packing mortar in the storage thick liquid passageway of their concatenation department, secondary connector and the cartridge reinforcing bar after the mortar solidification, prefabricated door head board, prefabricated door frame riser, prefabricated door frame stand forms a body structure, further improve prefabricated door head board and prefabricated door frame riser, joint strength and wholeness between the prefabricated door frame stand, and then improve the antidetonation of door opening, shock resistance.
7. A plurality of separating blocks are prefabricated in a fourth prefabricated slurry storage groove on the opposite side of the L-shaped notch of the prefabricated door frame vertical plate, and the height of each separating block is smaller than the depth of the prefabricated slurry storage groove. The design of the partition increases the backflow resistance of the mortar, and reduces the problem that the mortar flows back downwards along the mortar storage channel due to self weight in a short time to cause a blank section at the upper end part of the mortar storage channel; the design of additionally arranging the sectional baffles can also reduce the occurrence of a larger empty section at the top of the mortar storage channel caused by shrinkage and sinking of mortar in the solidification process; after mortar in the mortar storage groove is solidified, the partition is equivalently inserted in the secondary connecting body through the inner ribs, and the connection firmness of the prefabricated door frame vertical plate and the adjacent inner partition wall batten is improved. And meanwhile, the partition also plays a role in reinforcing the slurry storage tank on the side surface of the prefabricated door frame vertical plate.
8. A prefabricated slurry storage tank is arranged on the upper end surface of the door head of the prefabricated door head plate; the prefabricated door head plate is convenient to be installed and connected with the inner partition wall batten spliced above the prefabricated door head plate, a slurry storage channel is formed between the prefabricated slurry storage groove on the upper end surface of the door head and the matching surface of the inner partition wall batten spliced above the prefabricated door head plate, mortar is densely filled in the slurry storage channel, a secondary connecting body formed after the mortar is solidified is also equivalent to an inner bolt, and the prefabricated door head plate and the inner partition wall batten spliced above the prefabricated door head plate have strong bonding force and resistance, so that the prefabricated door head plate and the inner partition wall batten spliced above the prefabricated door head plate can be well connected; the prefabricated slurry storage grooves are formed in the upper end surfaces of the prefabricated door frame vertical plates, so that the prefabricated door frame vertical plates can be conveniently installed and connected with top beams or floor plates or inner partition wall battens spliced above the prefabricated door frame vertical plate bodies; in addition, adopt this structure can realize that the multiaspect link up continuous slip casting, improved the efficiency of construction.
9. A prefabricated grouting opening communicated with the fourth prefabricated slurry storage tank is formed in the prefabricated door frame vertical plate; and a prefabricated grouting opening communicated with the sixth prefabricated slurry storage tank is arranged on the prefabricated door frame upright post. Set up the slip casting operation of being convenient for of prefabricated slip casting mouth, save and adopt the rig to drill out the slip casting mouth again when slip casting, improve the efficiency of construction, avoid simultaneously causing the destruction to prefabricated door frame riser because of the drill construction.
10. The utility model discloses door head board, door frame riser, door frame stand of door opening structure adopt the supporting prefabrication of mill, and the field installation has ensured the uniformity of product, has avoided on-the-spot cutting door head board and door frame riser to have the great defect of geometric dimension deviation, has solved the on-the-spot and has cut to assemble the door opening and have the problem that the error is big, anti effect of splitting is poor.
11. The utility model discloses door opening structure both can adopt the installation of plastering method when actual construction, also can adopt the slip casting technology construction, improves work efficiency.
In summary, the door opening structure of the utility model thoroughly solves the problem that the door opening splicing part cracks due to frequent opening and closing vibration of the door; moreover, the construction method is easy to assemble in actual construction, the construction efficiency is improved, and the labor intensity is reduced; and the factory prefabrication is adopted, so that dust and noise pollution in the traditional field cutting construction is reduced, the working environment is improved, and a green building action scheme is responded.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIGS. 3 and 4 are schematic views of the structure of the prefabricated door panel of example 1;
FIG. 5 and FIG. 6 are schematic structural views of a prefabricated vertical door frame plate in embodiment 1
FIG. 7 is a schematic view showing the structure of a pillar of a prefabricated door frame according to embodiment 1;
fig. 8 is a schematic view of a prefabricated door panel structure according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a prefabricated door frame vertical plate in embodiment 2 of the present invention;
fig. 10 is a schematic structural view of a prefabricated door frame column in embodiment 2 of the present invention;
fig. 11 is a schematic structural view of embodiment 3 of the present invention;
fig. 12 is a schematic diagram of a prefabricated door panel structure in embodiment 3 of the present invention;
fig. 13 is a schematic structural view of a prefabricated vertical door frame plate in embodiment 3 of the present invention;
fig. 14 is a schematic structural view of a prefabricated door frame pillar in embodiment 3 of the present invention;
fig. 15 is a schematic structural view of embodiment 4 of the present invention;
fig. 16 is a schematic diagram of a prefabricated door panel structure in embodiment 4 of the present invention;
fig. 17 is a schematic structural view of a prefabricated vertical door frame plate in embodiment 5 of the present invention;
fig. 18 is a schematic structural view of embodiment 6 of the present invention;
fig. 19 is a schematic diagram of a prefabricated door panel structure in embodiment 6 of the present invention;
fig. 20 is a schematic structural view of a prefabricated vertical door frame plate in embodiment 6 of the present invention;
fig. 21 is a top view of a prefabricated vertical door frame plate in embodiment 6 of the present invention;
fig. 22 is a schematic structural view of a prefabricated vertical door frame plate in embodiment 7 of the present invention;
fig. 23 is a schematic structural view of a prefabricated vertical door frame plate in embodiment 8 of the present invention;
FIG. 24 is a schematic view of the structure of the inner partition wall with door opening of the present invention;
FIG. 25 is a schematic view showing the structure of a pillar of a prefabricated door frame according to embodiment 5;
fig. 26 is a schematic view of a conventional door opening structure.
In the figure, 110, a door head plate is prefabricated; 111. a door head; 112. a door frame connecting portion; 113. a first seam groove; 114. a first pre-manufactured slurry storage tank; 115. a second prefabricated slurry storage tank; 116. inserting and sleeving the steel bars; 117. a seventh prefabricated slurry storage tank;
210. prefabricating a vertical door frame plate; 211. an L-shaped notch; 212. a third prefabricated slurry storage tank; 213. a fourth prefabricated slurry storage tank; 214. a second seam groove; 215. inserting and sleeving the steel bars; 216. an eighth prefabricated slurry storage tank; 217. blocking; 218. prefabricating a grouting opening; 219. a central bore;
310. prefabricating a door frame upright post; 311. a fifth prefabricated slurry storage tank; 312. a sixth prefabricated slurry storage tank; 313. a third seam groove; 314. inserting and sleeving the steel bars; 315. blocking; 316. prefabricating a grouting opening;
400. reinforcing steel bars;
410. a first slurry storage channel; 420. a second slurry storage channel; 430. a secondary linker;
510. a first anti-crack edge sealing groove; 520. a second crack resistant edge sealing groove; 530. a fracture-resistant joint;
600. a reinforcing bar member;
700. an inner partition wall lath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the problem that the corner appears the fracture in the current door opening concatenation upper portion, influence the sound insulation of whole interior wall, heat retaining effect. The utility model particularly provides a wall door opening structure in slat, the following combines relevant attached drawing to carry out the detailed description:
embodiment 1, please refer to fig. 1 to 7, a slat inner partition wall door opening structure includes a prefabricated door head plate, a prefabricated door frame vertical plate, and a prefabricated door frame upright, and is characterized in that:
the prefabricated door head plate 110 comprises a door head part 111 and two door frame connecting parts 112, the door head part 111 and the door frame connecting parts 112 are integrally prefabricated and formed, the number of the door frame connecting parts 112 is two, the door frame connecting parts are in mirror symmetry below the prefabricated door head plate, and the distance between the two door frame connecting parts 112 is equal to the width of a reserved door opening; among the above-mentioned structure, preferred, the difficult overlength of door frame connecting portion 112, the overlength is difficult for the transportation, easily takes place to collide with or warp moreover, door frame connecting portion 112 highly is 50 ~ 300mm, and the width is 150 ~ 300 mm. The joint of the two door frame connecting parts and the door head forms an inner corner of the door opening, and the door opening structure of the utility model has no seam at the corner position in the door opening; the outer side edge of the prefabricated door head plate is provided with a communicated first seam groove 113; two side surfaces of the prefabricated door head plate are provided with first prefabricated slurry storage tanks 114, and the lower end surface of the door frame connecting part 112 is provided with second prefabricated slurry storage tanks 115 communicated with the first prefabricated slurry storage tanks 114; the utility model provides a two door frame connecting portion AND gate heads of prefabricated door head board have formed the interior turning of door opening, have abandoned the drawback that current door opening structure splices the door opening in the interior turning position that most easily produces the fracture, and integrative prefabricated profiled's door head board changes the concatenation position of door opening structure to the both sides of door opening to thoroughly solved current door opening structure and spliced the door head board in the door opening that most easily produces the fracture turning position and arouse the problem that door opening concatenation department ftractures.
An L-shaped notch 211 for placing a prefabricated door head plate is formed in the upper portion of the prefabricated door frame vertical plate 210, and a through third prefabricated slurry storage tank 212 is formed in the inner side surface of the L-shaped notch in the height direction and the horizontal direction; a fourth prefabricated slurry storage tank 213 is arranged on the side surface of the prefabricated door frame vertical plate opposite to the L-shaped notch along the height direction; a second seam connecting groove 214 is formed in the outer edge of the prefabricated door frame vertical plate; foretell prefabricated door frame riser has realized that the stagger joint between prefabricated door frame riser and the prefabricated door head board is occluded and is connected, has improved the fastness of connection of prefabricated door frame riser and prefabricated door head board.
The width of the prefabricated door frame upright 310 is equal to the width of the door frame connecting part 112 of the prefabricated door head plate; a fifth prefabricated slurry storage tank 311 is arranged on the upper end surface of the prefabricated door frame upright column, a sixth prefabricated slurry storage tank 312 is arranged on the side surface of the prefabricated door frame upright column along the height direction, and a third joint groove 313 is arranged on the outer side edge of the prefabricated door frame upright column;
the prefabricated door head plate 110 is assembled on the L-shaped notch 211 of the prefabricated door frame vertical plate 210 and the prefabricated door frame upright column 310 to form a door opening; the first prefabricated slurry storage tank and the second prefabricated slurry storage tank on one side of the prefabricated door head plate 110 are spliced with the third prefabricated slurry storage tank 212 of the prefabricated door frame vertical plate 210 to form a first slurry storage channel 410; the second prefabricated slurry storage tank 115 on the other side of the prefabricated door head plate 210 is spliced with the fifth prefabricated slurry storage tank 311 of the prefabricated door frame upright column 310 to form a second slurry storage channel 420; mortar is densely filled in the first and second mortar storage channels for connection, and a secondary connecting body 430 with an inner bolt function is formed after the mortar is solidified; the secondary connecting body 430 formed after the mortar is solidified is thick and has strong bonding force, and the formed secondary connecting body is equivalent to an inner bolt which has strong resistance, so that the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post are effectively prevented from relative displacement and deformation caused by external force;
a second seam groove 214 at the edge of the L-shaped notch 211 of the prefabricated door frame vertical plate 210 is spliced with a first seam groove 113 of the prefabricated door head plate 110 at the corresponding side to form a first anti-crack edge sealing groove 510; and a third seam groove 313 at the upper end part of the prefabricated door frame upright column 310 and a first seam groove 114 at the lower edge of the door frame connecting part 112 of the prefabricated door head plate at the corresponding side are spliced to form a second anti-crack edge sealing groove 520, and gridding cloth and anti-crack mortar are laid in the first and second anti-crack edge sealing grooves to form an anti-crack connecting body 530. The anti-cracking connector and the secondary connector firmly connect the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post together from inside to outside, and completely solve the problem that the door opening splicing part cracks due to frequent opening and closing vibration of the door; in addition, the anti-crack edge sealing groove has the effect of leveling the splicing seam, and a layer of grid cloth and anti-crack mortar are not needed to be coated on the large-area whole wall surface for leveling in the later period, so that the construction cost is reduced, and the construction efficiency is improved.
In conclusion, the door opening built by the prefabricated door frame vertical plate, the prefabricated door frame upright post and the prefabricated door head plate is firmly connected together from inside to outside through the secondary connecting body and the anti-cracking connecting body, so that the problem that the door opening splicing part cracks due to frequent opening and closing vibration of the door is completely solved; meanwhile, the problem that the splicing part of the existing door opening and the adjacent inner wall or constructional column is cracked is solved; after the door opening is built, a layer of grid cloth and anti-crack mortar are not needed to be coated and leveled on the large-area integral wall surface in the later period. After the door opening to be installed is maintained for 28 days, the periphery of the door opening is subjected to vibration, impact resistance and impact simulation tests, and the phenomenon that the abutted seam is cracked does not occur.
Example 2: please refer to fig. 8 to 10, in order to meet the requirement of the inner wall door opening with higher strength; in the above technical solution, preferably, the reinforcement bars 400 are embedded in the prefabricated door head plate 110, the prefabricated door frame vertical plate 210, and the prefabricated door frame upright 310. The steel bars are utilized to improve the bending resistance and the compression resistance of the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post.
Example 3: referring to fig. 11 to 14, in order to further realize that the prefabricated door head plate and the prefabricated door frame upright plate, and the prefabricated door head plate and the prefabricated door frame upright post are connected to form a whole, so that the prefabricated door head plate and the prefabricated door frame upright post have a stronger anti-cracking capability, a reinforcing steel bar pre-embedded in the door frame connecting portion 112 of the prefabricated door head plate 110 extends out of the lower end surface of the door frame connecting portion; a reinforcing steel bar inserting sleeve 215 is embedded in the L-shaped gap of the prefabricated door frame vertical plate 210 corresponding to the extending reinforcing steel bar; a steel bar inserting sleeve 314 is embedded in the prefabricated door frame upright post corresponding to the extended steel bar; the reinforcing steel bars at the lower ends of the two door frame connecting parts 112 of the prefabricated door head plate 110 are correspondingly inserted into the reinforcing steel bar inserting sleeves of the prefabricated door frame vertical plate 210 and the prefabricated door frame upright column 310. Mortar is densely filled in the mortar storage channels at the splicing positions of the prefabricated door head plate and the prefabricated door frame upright post, a secondary connector after the mortar is solidified forms an integrated structure with the inserted steel bars, the prefabricated door head plate, the prefabricated door frame upright plate and the prefabricated door frame upright post, the connection strength and the integrity between the prefabricated door head plate and the prefabricated door frame upright plate as well as between the prefabricated door head plate and the prefabricated door frame upright post are further improved, and the anti-vibration and anti-impact capabilities of the door opening are effectively improved.
Example 4: referring to fig. 15 to 16, in order to further realize that the prefabricated door head plate and the prefabricated door frame vertical plate, and the prefabricated door head plate and the prefabricated door frame upright post are connected to form a whole, so that the prefabricated door head plate has a stronger anti-cracking capability, reinforcing steel bar inserting sleeves 116 are embedded in two door frame connecting portions 112 of the prefabricated door head plate; a reinforcing steel bar inserting sleeve 215 is embedded in the L-shaped gap of the prefabricated door frame vertical plate 210 corresponding to the position of the reinforcing steel bar inserting sleeve 116; a steel bar inserting sleeve 314 is embedded in the prefabricated door frame upright post corresponding to the position of the steel bar inserting sleeve 116; the reinforcement bar members 600 are inserted into the reinforcement bar insertion sleeves 116 of the prefabricated door head plate 110 and the reinforcement bar insertion sleeves 215 of the prefabricated door frame vertical plates 210, the reinforcement bar insertion sleeves 116 of the prefabricated door head plate 110 and the reinforcement bar insertion sleeves 314 of the prefabricated door frame upright columns 310, respectively, and are connected. Mortar is densely filled in the mortar storage channels at the splicing positions of the prefabricated door head plate and the prefabricated door frame upright post, a secondary connector after the mortar is solidified forms an integrated structure with the inserted steel bars, the prefabricated door head plate, the prefabricated door frame upright plate and the prefabricated door frame upright post, the connection strength and the integrity between the prefabricated door head plate and the prefabricated door frame upright plate as well as between the prefabricated door head plate and the prefabricated door frame upright post are further improved, and the anti-vibration and anti-impact capabilities of the door opening are effectively improved.
Example 5: referring to fig. 17, in order to reduce the empty section caused by shrinkage and sinking of the mortar filled in the spliced mortar storage channel, a plurality of baffles 217 are integrally prefabricated in a fourth prefabricated mortar storage tank on the opposite side of the L-shaped notch 211 of the prefabricated door frame vertical plate 210 along the height direction, and the height of each baffle is smaller than the depth of the prefabricated mortar storage tank;
please refer to fig. 25; a plurality of baffles 315 are integrally prefabricated in a sixth prefabricated slurry storage tank 312 on the side surface of the prefabricated door frame upright column along the height direction;
the height of the baffle is less than the depth of the prefabricated slurry storage tank.
The design of this separating and keeping off has following advantage:
1. when the grouting process is actually adopted, mortar is pressure-poured upwards from a grouting port at the lower end, a grouting head is pulled out after grouting is finished, and the grouting port is quickly plugged; at the moment before plugging, the mortar flows back downwards along the mortar storage channel, and once the mortar flows back too fast, a hollow section is formed at the upper end of the mortar storage channel; the multiple baffles increase the backflow resistance of the mortar and slow down the backflow speed; thereby reducing the phenomenon that the upper end of the mortar storage channel has a mortar empty section;
2. the mortar has certain shrinkage and sinking in the solidification process, and the design of the segmented baffles can reduce the phenomenon that the top of the mortar storage channel has a larger empty segment due to shrinkage and sinking of the mortar;
3. meanwhile, the prefabricated slurry storage tank for prefabricating the vertical plate of the door frame plays a role in reinforcement; after the mortar in the mortar storage groove is solidified, the mortar is inserted into the secondary connecting body equivalently to the inner rib; after being cured, the mortar in the prefabricated mortar storage groove is equivalent to that the inner ribs are inserted in the secondary connecting body, so that the connection firmness of the prefabricated door frame vertical plate and the adjacent inner partition wall batten is improved.
Example 6: referring to fig. 18 to 21, a seventh preliminary slurry tank 117 is disposed on the upper end surface of the door head 111 of the preliminary door head board and/or an eighth preliminary slurry tank 216 is disposed on the upper end surface of the preliminary door frame upright board 210. The prefabricated door head plate with the structure and the prefabricated door frame vertical plate connected with the prefabricated door frame vertical plate are spliced to form a slurry storage channel, the prefabricated slurry storage groove internal partition wall lath 700 is arranged at the upper end of the prefabricated door head plate, multi-surface through continuous grouting can be realized, mortar is densely filled in the slurry storage channel, an internal bolt is also formed by a secondary connector formed after the mortar is solidified, stronger bonding force and resistance are realized, and the spliced door opening and the adjacent internal partition wall lath have good connection firmness.
By adopting the structure, the inner partition wall batten with the prefabricated slurry storage groove can be cut at the upper part of the prefabricated door head plate or the prefabricated door frame vertical plate according to the actual height to be spliced as a splice plate, because the sixth prefabricated slurry storage groove is arranged on the upper end surface of the prefabricated door head plate or the seventh prefabricated slurry storage groove is arranged on the upper end surface of the prefabricated door frame vertical plate, the prefabricated door head plate and the prefabricated door frame vertical plate are conveniently installed and connected with the inner partition wall batten with the prefabricated slurry storage groove spliced above the prefabricated door head plate and the prefabricated door frame vertical plate, a slurry storage channel is formed between the matching surfaces of the prefabricated door head plate, the prefabricated door frame vertical plate and the inner partition wall batten, mortar is densely filled in the slurry storage channel, and a secondary connecting body with an inner bolt effect is formed after the mortar; the prefabricated door frame vertical plate after assembling and the inner partition wall batten spliced above the prefabricated door frame vertical plate are ensured to have good connection firmness.
The width of the notch of the first to seventh preliminary slurry storage tanks 120 is greater than the width of the bottom of the preliminary slurry storage tank; is favorable for demoulding in actual production and improves the production efficiency
Example 7: referring to fig. 22, a prefabricated grouting opening 218 communicating with the fourth prefabricated slurry storage tank is formed in the prefabricated doorframe vertical plate 210. A prefabricated grouting opening 316 communicated with the sixth prefabricated slurry storage tank 312 is arranged on the prefabricated door frame upright column 310. The arrangement of the prefabricated grouting opening is beneficial to grouting operation, the drilling machine is omitted for drilling out the grouting opening during grouting, construction efficiency is improved, and damage to the vertical plate of the prefabricated door frame caused by drilling construction is avoided.
Example 8: referring to fig. 23, the prefabricated door frame vertical plate body on the side of the L-shaped notch is of a solid structure; and a central hole 219 is prefabricated in the prefabricated door frame vertical plate body along the height direction on the other side of the L-shaped notch. The design of centre bore has further reduced the weight of door frame riser, can wear to adorn the pipeline simultaneously in the centre bore, and then does benefit to the arrangement of pipeline near the door opening.
The utility model discloses still disclose an interior partition wall with door opening, include the wall body and the door opening that form by the concatenation of interior partition slat, the wall body the door opening is close to interior wall or structure and builds, the door opening adopt the door opening structure of foretell arbitrary embodiment, please refer to fig. 24.
The utility model discloses door opening structure both can adopt the installation of plastering method when actual construction, also can adopt the slip casting technology construction.
The grouting process is explained in the practical construction, and specifically, the grouting process comprises the following steps:
firstly, paying off, measuring the paying off according to a construction drawing on site, and marking the position of an installation door opening;
step two, mounting a prefabricated door frame upright column 310, prefabricating an anti-seismic card on the side surface of a constructional column or an inner wall according to the position of the paying-off mark, and then inserting the prefabricated door frame upright column 310 into the anti-seismic card to realize positioning so as to ensure the perpendicularity of the prefabricated door frame upright column 310; finally, drilling a prefabricated hole from the side surface of the prefabricated door frame upright column to the constructional column or the inner wall, arranging an expansion bolt in the prefabricated hole, and connecting the expansion bolt with the constructional column or the inner wall by penetrating through the prefabricated door frame upright column; in order to further improve the stability of the prefabricated door frame upright post, the position of the inner side foot of the prefabricated door frame upright post is fixedly connected with the ground through an L-shaped connecting piece;
step three, installing a prefabricated door frame vertical plate 210, erecting the prefabricated door frame vertical plate according to the position of the paying-off mark, and jacking the prefabricated door frame vertical plate at the bottom of the prefabricated door frame vertical plate by using a wooden plug to realize the fixation between the prefabricated door frame vertical plate and a beam or a floor slab;
step four, installing the prefabricated door head plate 110: assembling the prefabricated door head plate on the prefabricated door frame vertical plate 210 and the prefabricated door frame upright post 310, aligning and leveling to ensure that the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post are on the same vertical plane, and then sealing and fixing the upper part of the prefabricated door head plate; then, drilling a prefabricated hole from the side surface of the door frame connecting part of the prefabricated door head plate to the constructional column or the inner wall, arranging an expansion bolt in the prefabricated hole, and connecting the expansion bolt with the constructional column or the inner wall through the prefabricated door head plate; in order to further improve the stability of the prefabricated door head panel,
step five, grouting connection: a grouting process is adopted to perform grouting in a first grout storage channel 410 formed by splicing the first prefabricated grout storage groove and the second prefabricated grout storage groove on one side of the prefabricated door head plate 110 with the third prefabricated grout storage groove 212 of the prefabricated door frame vertical plate 210, and a second grout storage channel 420 formed by splicing the second prefabricated grout storage groove 115 on the other side of the prefabricated door head plate 210 with the fifth prefabricated grout storage groove 311 of the prefabricated door frame upright post 310; enabling mortar to densely fill the whole mortar storage channel, and connecting the prefabricated door head plate, the prefabricated door frame vertical plate and the prefabricated door frame upright post by a secondary connecting body with an inner bolt effect formed after the mortar is solidified for 5-7 days;
step six; sealing and leveling: the seam grooves at the edge of the prefabricated door head plate and the seam grooves at the edge of the L-shaped notches of the two prefabricated door frame vertical plate bodies are spliced to form an anti-cracking edge sealing groove; laying grid cloth and anti-crack mortar in the anti-crack edge sealing groove; forming an anti-crack connector in the anti-crack edge sealing groove after the anti-crack mortar is solidified; and at the moment, the installation of the door opening of the inner partition wall is finished. Paving gridding cloth and anti-crack mortar in a first anti-crack edge sealing groove 510 formed by splicing a second seam groove 214 at the edge of the L-shaped notch 211 of the prefabricated door frame vertical plate 210 with a first seam groove 113 of the prefabricated door head plate 110 on the corresponding side and a second anti-crack edge sealing groove 520 formed by splicing a third seam groove 313 at the upper end part of the prefabricated door frame upright post 310 with a first seam groove 114 at the lower edge of a door frame connecting part 112 of the prefabricated door head plate on the corresponding side, and forming an anti-crack connecting body 530 in the anti-crack edge sealing groove after the anti-crack mortar is solidified; and at the moment, the installation of the door opening of the inner partition wall is finished.
The utility model discloses door opening structure adopts the slip casting technology construction when actual construction, has improved work efficiency, reduces intensity of labour.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a wall door opening structure in slat, includes prefabricated door head board, prefabricated door frame riser, prefabricated door frame stand, its characterized in that:
the prefabricated door head plate (110) comprises two door head parts (111) and two door frame connecting parts (112), the two door head parts (111) and the two door frame connecting parts (112) are integrally prefabricated and formed, the two door frame connecting parts (112) are in mirror symmetry below the prefabricated door head plate, and the distance between the two door frame connecting parts (112) is equal to the width of a reserved door opening; the outer side edge of the prefabricated door head plate is provided with a communicated first seam groove (113); two side surfaces of the prefabricated door head plate are provided with first prefabricated slurry storage tanks (114), and the lower end surface of the door frame connecting part (112) is provided with second prefabricated slurry storage tanks (115) communicated with the first prefabricated slurry storage tanks (114);
an L-shaped notch (211) for placing a prefabricated door head plate is formed in the upper portion of the prefabricated door frame vertical plate (210), and a through third prefabricated slurry storage tank (212) is formed in the inner side face of the L-shaped notch in the height direction and the horizontal direction; a fourth prefabricated slurry storage tank (213) is arranged on the side surface of the door frame vertical plate, which is opposite to the L-shaped notch, along the height direction; a second seam connecting groove (214) is formed in the outer edge of the prefabricated door frame vertical plate;
the width of the prefabricated door frame upright post (310) is equal to that of a door frame connecting part (112) of the prefabricated door head plate; a fifth prefabricated slurry storage tank (311) is arranged on the upper end surface of the prefabricated door frame upright column, a sixth prefabricated slurry storage tank (312) is arranged on the side surface of the prefabricated door frame upright column along the height direction, and a third joint groove (313) is arranged on the outer side edge of the prefabricated door frame upright column;
the prefabricated door head plate (110) is assembled on the L-shaped notch (211) of the prefabricated door frame vertical plate (210) and the corresponding prefabricated door frame upright post (310) to form a door opening; the first prefabricated slurry storage tank and the second prefabricated slurry storage tank on one side of the prefabricated door head plate (110) are spliced with the third prefabricated slurry storage tank (212) of the prefabricated door frame vertical plate (210) to form a first slurry storage channel (410); the second prefabricated slurry storage tank (115) on the other side of the prefabricated door head plate (210) and a fifth prefabricated slurry storage tank (311) of the prefabricated door frame upright post (310) are spliced to form a second slurry storage channel (420); mortar is densely filled in the first and second mortar storage channels for connection, and a secondary connecting body (430) with an inner bolt function is formed after the mortar is solidified;
a second seam groove (214) at the edge of an L-shaped notch (211) of a prefabricated door frame vertical plate (210) and a first seam groove (113) of a prefabricated door head plate (110) on the corresponding side are spliced to form a first anti-crack edge sealing groove (510); and a third seam groove (313) at the upper end part of the prefabricated door frame upright post (310) and a first seam groove (114) at the lower edge of a door frame connecting part (112) of the prefabricated door head plate at the corresponding side are spliced to form a second anti-crack edge sealing groove (520), and grid cloth and anti-crack mortar are laid in the first and second anti-crack edge sealing grooves to form an anti-crack connecting body (530).
2. The slat inner partition wall door opening structure according to claim 1, wherein: and reinforcing steel bars (400) are embedded in the prefabricated door head plate (110), the prefabricated door frame vertical plate (210) and the prefabricated door frame upright post (310).
3. The slat inner partition wall door opening structure according to claim 2, wherein: reinforcing steel bars pre-embedded in a door frame connecting part (112) of the prefabricated door head plate (110) extend out of the lower end face of the door frame connecting part; a steel bar inserting sleeve (215) is embedded in the L-shaped gap of the prefabricated door frame vertical plate (210) corresponding to the extending steel bar; a steel bar inserting sleeve (314) is embedded in the prefabricated door frame upright post corresponding to the extended steel bar; the reinforcing steel bars at the lower ends of the two door frame connecting parts (112) of the prefabricated door head plate (110) are correspondingly inserted in reinforcing steel bar inserting sleeves of the prefabricated door frame vertical plate (210) and the prefabricated door frame upright post (310).
4. The slat inner partition wall door opening structure according to claim 1, wherein: reinforcing steel bar inserting sleeves (116) are embedded in the two door frame connecting parts (112) of the prefabricated door head plate; a reinforcing steel bar inserting sleeve (215) is embedded in the L-shaped notch of the prefabricated door frame vertical plate (210) corresponding to the position of the reinforcing steel bar inserting sleeve (116); a steel bar inserting sleeve (314) is embedded in the prefabricated door frame upright post corresponding to the position of the steel bar inserting sleeve (116); and reinforcing steel bar members (600) are respectively inserted into the reinforcing steel bar inserting sleeve (116) of the prefabricated door head plate (110), the reinforcing steel bar inserting sleeve (215) of the prefabricated door frame vertical plate (210), the reinforcing steel bar inserting sleeve (116) of the prefabricated door head plate (110) and the reinforcing steel bar inserting sleeve (314) of the prefabricated door frame upright post (310) for connection.
5. The slat inner partition wall door opening structure according to claim 1, wherein: a plurality of baffles (217) are integrally prefabricated in a fourth prefabricated slurry storage tank on the opposite side of an L-shaped notch (211) of a prefabricated door frame vertical plate (210) along the height direction and/or a plurality of baffles (315) are integrally prefabricated in a sixth prefabricated slurry storage tank (312) on the side surface of a prefabricated door frame upright column along the height direction; the height of the baffle is less than the depth of the prefabricated slurry storage tank.
6. The slat inner partition wall door opening structure according to claim 1, wherein: a seventh prefabricated slurry storage tank (117) is arranged on the upper end face of the door head part (111) of the prefabricated door head plate and/or an eighth prefabricated slurry storage tank (216) is arranged on the upper end face of the prefabricated door frame vertical plate (210).
7. The slat inner partition wall door opening structure according to claim 6, wherein: the width of the notch of the first to seventh preliminary slurry storage tanks (120) is greater than the width of the bottom of the preliminary slurry storage tank.
8. The slat inner partition wall door opening structure according to claim 1, wherein: a prefabricated grouting opening (218) communicated with the fourth prefabricated slurry storage tank is formed in the prefabricated door frame vertical plate (210);
a prefabricated grouting opening (316) communicated with a sixth prefabricated slurry storage tank (312) is arranged on the prefabricated door frame upright post (310).
9. The slat inner partition wall door opening structure according to claim 1, wherein: the prefabricated door frame vertical plate body on the L-shaped notch side is of a solid structure; and a central hole (219) is prefabricated in the prefabricated door frame vertical plate body along the height direction on the other side of the L-shaped notch.
10. The utility model provides an interior partition wall with door opening, includes wall body and door opening that forms by the concatenation of interior partition slat, its characterized in that: the door opening adopts the door opening structure of any one of the claims 1 to 9.
CN201920442846.9U 2019-04-03 2019-04-03 Slat internal partition wall door opening structure and internal partition wall Active CN210195028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920442846.9U CN210195028U (en) 2019-04-03 2019-04-03 Slat internal partition wall door opening structure and internal partition wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920442846.9U CN210195028U (en) 2019-04-03 2019-04-03 Slat internal partition wall door opening structure and internal partition wall

Publications (1)

Publication Number Publication Date
CN210195028U true CN210195028U (en) 2020-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920442846.9U Active CN210195028U (en) 2019-04-03 2019-04-03 Slat internal partition wall door opening structure and internal partition wall

Country Status (1)

Country Link
CN (1) CN210195028U (en)

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