CN112854522A - Connecting structure of prefabricated wall body, mould and upper and lower layer wall bodies - Google Patents
Connecting structure of prefabricated wall body, mould and upper and lower layer wall bodies Download PDFInfo
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- CN112854522A CN112854522A CN202110031526.6A CN202110031526A CN112854522A CN 112854522 A CN112854522 A CN 112854522A CN 202110031526 A CN202110031526 A CN 202110031526A CN 112854522 A CN112854522 A CN 112854522A
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- wall body
- prefabricated
- groove
- wall
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the technical field of prefabricated part connection, and discloses a prefabricated wall body, a die and a connection structure of an upper wall body and a lower wall body. According to the invention, the connecting rod is embedded into the prefabricated hole and rotates in the prefabricated hole, so that the inner part of the connecting rod can be popped out of the fixing groove through the limiting column connected by the first spring and enters the limiting hole prefabricated on the second wall body, the first wall body and the second wall body can be connected, the limiting hole can be poured by concrete after connection, and the stability after connection can be improved.
Description
Technical Field
The invention relates to the technical field of prefabricated part connection, in particular to a connection structure of a prefabricated wall, a mold and an upper-layer wall and a lower-layer wall.
Background
Prefabricated wall body is when production, generally all can adopt the mould frame of a general, utilize the mould frame to build the integrated configuration of prefabricated wall body, build the back well, to the inside concreting of mould, only need demolish the prefabricated wall body that then just formed inside cavity with the mould after the concrete solidifies, inside staggered distribution at prefabricated wall body has a large amount of reinforcing bars, and when prefabricated wall body in upper and lower both sides docks, the reinforcing bar that generally can make lower floor's wall body runs through the inside to upper wall body, make upper and lower floor's wall body connect.
However, when the existing wall bodies are connected, the connection performance is poor, so that the connection is not firm enough, and the connection mode is single, so that the existing wall bodies cannot be used according to different requirements. Therefore, the skilled person provides a prefabricated wall, a mold, and a connecting structure for upper and lower walls, so as to solve the problems in the background art.
Disclosure of Invention
The invention aims to provide a connecting structure of a prefabricated wall body, a mould and an upper-layer wall body and a lower-layer wall body, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a connection structure of prefabricated wall body, mould, upper and lower layer wall body, includes first wall body, prefabricated hole has been seted up to one side of first wall body, the connecting rod is installed in the inside embedding in prefabricated hole, the below of first wall body is provided with the second wall body, the upper surface mounting of second wall body has first reinforcing bar and the one end embedding of first reinforcing bar to the inside of first wall body, and the upper surface of second wall body has seted up spacing hole in the intermediate position department of first reinforcing bar.
As a still further scheme of the invention: the fixed slot has been seted up to the upper surface of connecting rod, the inside of fixed slot is provided with first spring, the top of first spring is connected with spacing post, the outside of spacing post is provided with first skid resistant course, the inboard symmetry of fixed slot is provided with second skid resistant course.
As a still further scheme of the invention: spacing post is provided with seven for cylindrical at least equidistance in the inside of connecting rod, and the height of spacing post is two-thirds of connecting rod height, spacing post and spacing hole mutual adaptation.
As a still further scheme of the invention: the first spring is at least symmetrically provided with two on the lower surface of the limiting column, and anti-skidding salient points are arranged outside the first anti-skidding layer and the second anti-skidding layer.
As a still further scheme of the invention: the below of second wall body still can be provided with the second reinforcing bar, the one end embedding of second reinforcing bar is to the inside of third wall body, first prefabricated groove has been seted up to one side of second wall body, the fixed plate is installed in the inside embedding of first prefabricated groove, one side of fixed plate is provided with first limiting plate, logical groove has been seted up to one side of second wall body, one side of first limiting plate runs through the inside embedding to the inside of second prefabricated groove that leads to the groove.
As a still further scheme of the invention: the second recess has been seted up to the inboard of fixed plate, the inside of second recess is provided with the third spring, the one end of third spring is connected with first limiting plate, the second prefabricated groove has been seted up to one side of third wall body, the upper surface of first limiting plate is provided with first connecting plate, the inboard of second prefabricated groove is provided with the second connecting plate.
As a still further scheme of the invention: the first connecting plate and the second connecting plate are arranged in a rectangular mode, the first connecting plate and the second connecting plate are distributed in a staggered mode, and the length of the first limiting plate is the sum of the length of the second groove and the length of the second prefabricated groove.
As a still further scheme of the invention: the upper surface of the fixed plate is provided with a first groove, a second spring is arranged in the first groove, the top end of the second spring is connected with a second limiting plate, and the upper surface of the inner portion of the first prefabricated groove is provided with a limiting groove matched with the second limiting plate.
As a still further scheme of the invention: the two second springs are symmetrically arranged on the lower surface of the second limiting plate, the height of the second limiting plate is the same as that of the first groove, and the height of the first groove is one fourth of that of the fixing plate.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the prefabricated hole is formed in one side of the first wall body, the connecting rod is embedded into the prefabricated hole and rotates in the prefabricated hole, so that the inner part of the connecting rod can be popped out from the fixing groove formed in the connecting rod through the limiting column connected by the first spring and enters the limiting hole prefabricated on the second wall body, the first wall body and the second wall body can be rapidly connected, and the limiting hole can be poured by concrete after connection, so that the stability after connection can be increased, and the stability after connection is better; and the second wall body still can use the fixed plate to imbed into first prefabricated groove with being connected of third wall body, and utilize the effect of first limiting plate in the first prefabricated groove, can make first limiting plate enter into the inside of second prefabricated groove, fix first limiting plate through first connecting plate and second connecting plate simultaneously, can make to carry out quick connection to second wall body and third wall body equally, and this sets up the effect through second limiting plate and spacing groove looks adaptation, make the fixed plate more stable at the internally mounted of first prefabricated groove, and then make second wall body and third wall body connectivity better, and make application range wider.
Drawings
FIG. 1 is a schematic structural diagram of a connection structure of a prefabricated wall, a mold, an upper layer wall and a lower layer wall;
FIG. 2 is a schematic structural diagram of a connecting rod in a connecting structure of a prefabricated wall, a mold and an upper and lower wall;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic view of the internal structure of a connecting rod in a connecting structure of a prefabricated wall, a mold, an upper layer wall and a lower layer wall;
fig. 5 is a schematic structural diagram of a connecting plate in a connecting structure of a prefabricated wall, a mold and an upper-layer wall and a lower-layer wall.
In the figure: 1. a first wall; 2. a first reinforcing bar; 3. a second wall; 4. a connecting rod; 5. a second reinforcing bar; 6. a first limit plate; 7. a third wall; 8. prefabricating holes; 9. a limiting hole; 10. a limiting column; 11. a first non-slip layer; 12. a second non-slip layer; 13. fixing grooves; 14. a first spring; 15. a first pregroove; 16. a limiting groove; 17. a first groove; 18. a second limiting plate; 19. a second spring; 20. a fixing plate; 21. a first connecting plate; 22. a second connecting plate; 23. a second pregroove; 24. a through groove; 25. a second groove; 26. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a prefabricated wall, a mold, and a connecting structure for upper and lower walls, includes a first wall 1, a prefabricated hole 8 is formed at one side of the first wall 1, a connecting rod 4 is embedded in the prefabricated hole 8, a second wall 3 is disposed below the first wall 1, a first reinforcing bar 2 is mounted on an upper surface of the second wall 3, one end of the first reinforcing bar 2 is embedded into the first wall 1, a limiting hole 9 is formed at a middle position of the first reinforcing bar 2 on the upper surface of the second wall 3, a fixing groove 13 is formed on the upper surface of the connecting rod 4, a first spring 14 is disposed inside the fixing groove 13, a limiting column 10 is connected to a top end of the first spring 14, the limiting column 10 is cylindrical, at least seven limiting columns are equidistantly disposed inside the connecting rod 4, and a height of the limiting column 10 is two-thirds of a height of the connecting rod 4, the limiting post 10 and the limiting hole 9 are mutually matched, a first anti-slip layer 11 is arranged outside the limiting post 10, a second anti-slip layer 12 is symmetrically arranged on the inner side of a fixing groove 13, at least two first springs 14 are symmetrically arranged on the lower surface of the limiting post 10, and anti-slip bumps are arranged outside the first anti-slip layer 11 and the second anti-slip layer 12. according to the invention, a prefabricated hole 8 is arranged on one side of a first wall body 1, a connecting rod 4 is embedded into the prefabricated hole 8, and the connecting rod 4 rotates in the prefabricated hole 8, so that the limiting post 10 connected with the inner part of the connecting rod 4 through the first spring 14 can be popped out from the fixing groove 13 arranged in the connecting rod 4 and enter the limiting hole 9 prefabricated on a second wall body 3, the first wall body 1 and the second wall body 3 can be rapidly connected, and the limiting hole 9 can be poured by concrete after connection, thereby increasing the stability after connection and leading the stability after connection to be better.
In fig. 2 and 5: a second steel bar 5 can be arranged below the second wall 3, one end of the second steel bar 5 is embedded into a third wall 7, one side of the second wall 3 is provided with a first prefabricated groove 15, a fixing plate 20 is embedded into the first prefabricated groove 15, one side of the fixing plate 20 is provided with a first limiting plate 6, one side of the second wall 3 is provided with a through groove 24, one side of the first limiting plate 6 penetrates through the through groove 24 and is embedded into a second prefabricated groove 23, the inner side of the fixing plate 20 is provided with a second groove 25, a third spring 26 is arranged inside the second groove 25, one end of the third spring 26 is connected with the first limiting plate 6, one side of the third wall 7 is provided with a second prefabricated groove 23, the upper surface of the first limiting plate 6 is provided with a first connecting plate 21, the inner side of the second prefabricated groove 23 is provided with a second connecting plate 22, the first connecting plate 21 and the second connecting plate 22 are both arranged in a rectangular shape, the first connecting plates 21 and the second connecting plates 22 are distributed in a staggered manner, the length of the first limiting plate 6 is the sum of the lengths of the second grooves 25 and the second prefabricated grooves 23, the upper surface of the fixing plate 20 is provided with first grooves 17, two second springs 19 are arranged inside the first grooves 17, the top end of each second spring 19 is connected with a second limiting plate 18, the upper surface of the inside of the first prefabricated groove 15 is provided with limiting grooves 16 matched with the second limiting plates 18, the two second springs 19 are symmetrically arranged on the lower surface of each second limiting plate 18, the height of each second limiting plate 18 is the same as that of the corresponding first groove 17, the height of each first groove 17 is one fourth of that of the corresponding fixing plate 20, the fixing plate 20 can be embedded into the corresponding first prefabricated groove 15 when the second wall 3 is connected with the third wall 7, and the first limiting plate 6 can enter the corresponding second prefabricated groove 23 under the action of the first limiting plate 6 in the corresponding first prefabricated groove 15, simultaneously, the first limiting plate 6 is fixed through the first connecting plate 21 and the second connecting plate 22, so that the second wall body 3 and the third wall body 7 can be connected quickly, the fixing plate 20 is more stable in installation inside the first prefabricated groove 15 due to the mutual adaptation of the second limiting plate 18 and the limiting groove 16, the second wall body 3 and the third wall body 7 are better in connectivity, and the application range is wider.
The working principle of the invention is as follows: a prefabricated hole 8 is reserved on one side of a first wall body 1 by using a mould, a limiting hole 9 is reserved on the upper surface of a second wall body 3, when the first wall body 1 is connected with the second wall body 3, a first reinforcing steel bar 2 arranged on the second wall body 3 enters the inside of the first wall body 1, a connecting rod 4 is embedded into the prefabricated hole 8 reserved on one side of the first wall body 1, when the connecting rod 4 enters the prefabricated hole 8, a limiting column 10 is pressed downwards to enable the limiting column 10 to move downwards in a fixing groove 13 formed in the upper surface of the connecting rod 4, a first spring 14 arranged below the limiting column 10 is extruded to deform, after the connecting rod 4 is completely embedded into the prefabricated hole 8, the connecting rod 4 is rotated, and then the inside of the connecting rod 4 can be ejected out of the fixing groove 13 formed in the connecting rod 4 through the limiting column 10 connected with the first spring 14, the connecting structure enters a limit hole 9 prefabricated on the second wall body 3, so that the first wall body 1 and the second wall body 3 can be quickly connected, and the limit hole 9 can be poured by concrete after connection, so that the stability after connection can be improved, and the stability after connection is better; meanwhile, the lower part of the second wall 3 can be connected with a third wall 7 through a second steel bar 5, a first prefabricated groove 15 is reserved on one side of the second wall 3 through a mold, a second prefabricated groove 23 is reserved on the upper surface of the third wall 7, when the second wall 3 is connected with the third wall 7, the second limiting plate 18 is pressed downwards, the first limiting plate 6 is pressed into a second groove 25 formed in the inner side of the fixing plate 20, the second spring 19 arranged below the second limiting plate 18 is deformed under pressure, the third spring 26 in the second groove 25 is deformed under pressure, after the fixing plate 20 is embedded into the first prefabricated groove 15, the first limiting plate 6 penetrates through a through groove 24 formed in one side of the second wall 3 and extends into the second prefabricated groove 23, and the fixing plate 20 is pushed forwards, the second limiting plate 18 can enter the inside of the limiting groove 16 formed in the second wall 3 to limit the position, the first connecting plate 21 arranged on the first limiting plate 6 can be moved to the rear of the second connecting plate 22 arranged on the inner side of the second prefabricated groove 23, the fixing plate 20 is more stable to be installed in the first prefabricated groove 15, the second wall 3 and the third wall 7 are better in connectivity, and the application range is wider.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a connection structure of prefabricated wall body, mould, upper and lower floor wall body, includes first wall body (1), its characterized in that, prefabricated hole (8) have been seted up to one side of first wall body (1), connecting rod (4) are installed in the inside embedding of prefabricated hole (8), the below of first wall body (1) is provided with second wall body (3), the upper surface mounting of second wall body (3) has first reinforcing bar (2) and the one end of first reinforcing bar (2) is embedded into the inside of first wall body (1), and spacing hole (9) have been seted up in the intermediate position department of first reinforcing bar (2) to the upper surface of second wall body (3).
2. The connecting structure of the prefabricated wall body, the mold and the upper and lower wall bodies as claimed in claim 1, wherein a fixing groove (13) is formed in the upper surface of the connecting rod (4), a first spring (14) is arranged inside the fixing groove (13), a limiting column (10) is connected to the top end of the first spring (14), a first anti-slip layer (11) is arranged outside the limiting column (10), and a second anti-slip layer (12) is symmetrically arranged on the inner side of the fixing groove (13).
3. A prefabricated wall, a mould, a connecting structure of an upper layer wall and a lower layer wall as claimed in claim 2, wherein the limiting columns (10) are cylindrical, at least seven are equidistantly arranged in the connecting rod (4), the height of the limiting columns (10) is two thirds of the height of the connecting rod (4), and the limiting columns (10) are matched with the limiting holes (9).
4. The connecting structure of the prefabricated wall body, the mold and the upper and lower layers of the wall bodies as claimed in claim 2, wherein at least two first springs (14) are symmetrically arranged on the lower surface of the limiting column (10), and anti-skid convex points are arranged on the outer portions of the first anti-skid layer (11) and the second anti-skid layer (12).
5. The connecting structure of the prefabricated wall body, the mold and the upper and lower walls according to claim 1, wherein a second steel bar (5) is further arranged below the second wall body (3), one end of the second steel bar (5) is embedded into a third wall body (7), a first prefabricated groove (15) is formed in one side of the second wall body (3), a fixing plate (20) is embedded into the first prefabricated groove (15), a first limiting plate (6) is arranged on one side of the fixing plate (20), a through groove (24) is formed in one side of the second wall body (3), and one side of the first limiting plate (6) penetrates through the inside of the through groove (24) and is embedded into the second prefabricated groove (23).
6. The connection structure of prefabricated wall body, mould, upper and lower floor wall body according to claim 5, characterized in that, second recess (25) has been seted up to the inboard of fixed plate (20), the inside of second recess (25) is provided with third spring (26), the one end of third spring (26) is connected with first limiting plate (6), second prefabricated groove (23) has been seted up to one side of third wall body (7), the upper surface of first limiting plate (6) is provided with first connecting plate (21), the inboard of second prefabricated groove (23) is provided with second connecting plate (22).
7. A prefabricated wall, a mould and a connecting structure of an upper-layer wall and a lower-layer wall as claimed in claim 6, wherein the first connecting plates (21) and the second connecting plates (22) are both rectangular, the first connecting plates (21) and the second connecting plates (22) are distributed in a staggered manner, and the length of the first limiting plate (6) is the sum of the lengths of the second grooves (25) and the second prefabricated grooves (23).
8. The connecting structure of the prefabricated wall body, the mold and the upper and lower walls according to claim 5, wherein a first groove (17) is formed in the upper surface of the fixing plate (20), a second spring (19) is arranged inside the first groove (17), a second limiting plate (18) is connected to the top end of the second spring (19), and a limiting groove (16) matched with the second limiting plate (18) is formed in the upper surface of the inside of the first prefabricated groove (15).
9. The prefabricated wall, the mold and the connection structure of the upper and lower walls according to claim 8, wherein two second springs (19) are symmetrically arranged on the lower surface of the second limiting plate (18), the height of the second limiting plate (18) is the same as that of the first groove (17), and the height of the first groove (17) is one fourth of the height of the fixing plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110031526.6A CN112854522B (en) | 2021-01-11 | 2021-01-11 | Connection structure of prefabricated wall body, mould, upper and lower layer wall body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110031526.6A CN112854522B (en) | 2021-01-11 | 2021-01-11 | Connection structure of prefabricated wall body, mould, upper and lower layer wall body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112854522A true CN112854522A (en) | 2021-05-28 |
| CN112854522B CN112854522B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110031526.6A Active CN112854522B (en) | 2021-01-11 | 2021-01-11 | Connection structure of prefabricated wall body, mould, upper and lower layer wall body |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2068600A (en) * | 1999-03-05 | 2000-09-07 | Wirkus, Michelle Ann | A glass brick assembly |
| CN107524326A (en) * | 2017-08-01 | 2017-12-29 | 滁州鸿博自动化设备有限公司 | A kind of easy-to-mount combined type mounting work station |
| CN110965667A (en) * | 2019-08-01 | 2020-04-07 | 承德绿建建筑节能科技有限公司 | Connecting structure of prefabricated wall body, upper-layer wall body and lower-layer wall body and wall body mold |
| CN111058555A (en) * | 2020-01-06 | 2020-04-24 | 严冬华 | Windproof fireproof heat-preservation type quick-dismantling assembly building steel structure and splicing method thereof |
| CN211817203U (en) * | 2020-03-25 | 2020-10-30 | 重庆交通职业学院 | Movable partition of prefabricated building |
| CN211850343U (en) * | 2020-03-07 | 2020-11-03 | 成都建工科技有限公司 | Precast concrete wallboard |
-
2021
- 2021-01-11 CN CN202110031526.6A patent/CN112854522B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2068600A (en) * | 1999-03-05 | 2000-09-07 | Wirkus, Michelle Ann | A glass brick assembly |
| CN107524326A (en) * | 2017-08-01 | 2017-12-29 | 滁州鸿博自动化设备有限公司 | A kind of easy-to-mount combined type mounting work station |
| CN110965667A (en) * | 2019-08-01 | 2020-04-07 | 承德绿建建筑节能科技有限公司 | Connecting structure of prefabricated wall body, upper-layer wall body and lower-layer wall body and wall body mold |
| CN111058555A (en) * | 2020-01-06 | 2020-04-24 | 严冬华 | Windproof fireproof heat-preservation type quick-dismantling assembly building steel structure and splicing method thereof |
| CN211850343U (en) * | 2020-03-07 | 2020-11-03 | 成都建工科技有限公司 | Precast concrete wallboard |
| CN211817203U (en) * | 2020-03-25 | 2020-10-30 | 重庆交通职业学院 | Movable partition of prefabricated building |
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| Publication number | Publication date |
|---|---|
| CN112854522B (en) | 2023-04-28 |
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