CN218643870U

CN218643870U - Cast-in-situ bay window pouring mold

Info

Publication number: CN218643870U
Application number: CN202222741561.XU
Authority: CN
Inventors: 徐振家
Original assignee: Shaanxi Payuan Road And Bridge Construction Co ltd
Current assignee: Shaanxi Payuan Road And Bridge Construction Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-17
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a cast-in-situ bay window pouring mold, which relates to the technical field of bay window molds and comprises a window pair-dismantling mold, a main frame, a secondary frame, an edge frame and a cover plate frame, wherein the window pair-dismantling mold is used for pouring a bay window structure; the main frame sets up side by side with the window to tearing open the mould, and the subframe interval sets up in the top and the bottom of main frame, and the limit frame interval sets up the lateral part at main frame and subframe, is formed with between subframe, main frame and the frame and wafts the luffer board and pour the space setting, and the apron frame lid closes to seal and wafts the window and pour the space setting, is formed with between the top of frame and the subframe and pours the mouth with wafing luffer board and pour the space intercommunication. After the concrete solidifies, the cover plate frame, the main frame, the secondary frame and the side frame are sequentially disassembled to complete demolding, so that the construction efficiency of the cast-in-place bay window is improved.

Description

Cast-in-situ bay window pouring mold

Technical Field

The utility model relates to a window mould technical field that wafts, more specifically relates to a cast-in-place window pouring mould that wafts.

Background

With the improvement of living standard of people, the requirements for living environment are higher and higher, and in order to improve the indoor lighting permeability and form a wide visual field, the bay window is widely applied to house buildings as a special building structure.

The cast-in-place bay window adopts the cast-in-place technology to connect and fix the bay window and the building wall, but the mode is limited by the difficulty that the environment of a construction site can increase the formwork erection, for example, the bay window structure shown in figure 1 has the defects that the formwork erection and the formwork removal are difficult, and the construction efficiency is greatly influenced. Therefore, there is a need for a bay window mold that can be quickly disassembled and assembled when used in the construction of a cast-in-place bay window of the bay window shown in fig. 1.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cast-in-place window pouring die that wafts makes things convenient for on-spot to set up and dismantle, and makes things convenient for the successive layer to pour in succession, has improved upright mould and drawing of patterns efficiency.

The embodiment of the utility model is realized like this:

the utility model discloses some embodiments provide a cast-in-place bay window pouring mould, including window to tearing open mould, main frame, subframe, side frame and apron frame, the window is used for pouring bay window structure to tearing open the mould, and window is to tearing open mould, subframe and side frame all can dismantle with building wall and be connected, and the main frame can dismantle with window to tearing open the mould and be connected;

the main frame sets up side by side with the window to the form removal utensil, and the subframe interval sets up in the top and the bottom of main frame, and the frame interval of limit sets up in the lateral part of main frame and subframe, is formed with luffer boards pouring space between subframe, main frame and the frame of limit, and the apron frame closure closes to seal luffer boards pouring space and sets up, is formed with between the top of frame of limit and the subframe and pours the mouth with luffer boards pouring space intercommunication.

The utility model discloses an in some embodiments, the window includes frame body, embedded nut and buried bolt in advance to the drawing of patterns utensil, and top, bottom and both sides of frame body all are provided with the circumference closing plate, and the circumference setting of circumference closing plate sealing frame body, embedded nut distribute on the lateral wall that the circumference closing plate deviates from the frame body, and buried bolt in advance wears to establish the circumference closing plate and fits embedded nut in soon from the inboard of frame body.

In some embodiments of the present invention, the frame body includes a supporting member, two right-angled triangular frames with two oblique sides arranged at intervals, and two first corner supporting assemblies, and the circumferential sealing plate is located on the right-angled side of the right-angled triangular frame;

support piece is located between two right-angled triangle frames and can dismantle with two right-angled triangle frames and be connected, and first corner supporting component can dismantle the both ends of connecting in two right-angled triangle frame hypotenuses.

The utility model discloses an in some embodiments, the frame body still includes first connecting piece, and first connecting piece includes two connection walls of border vertically, two connection walls respectively with support piece's border and right-angled triangle frame's hypotenuse bolted connection, all have between support piece's both sides border and two right-angled triangle frame's the hypotenuse to adjust the clearance.

In some embodiments of the present invention, the first corner supporting assembly includes a first supporting rod, a first L-shaped right angle plate, a first fastening nut, and a first supporting and pulling member, a first threaded portion is disposed at an end of the first supporting rod, and a first supporting and pulling portion is disposed at an inner corner of the first right angle plate;

the both ends of first straight scute all with the butt of circumference closing plate, the both ends difference butt of first bracing pull rod on the tip inside wall of two right-angled triangle frame hypotenuses, the first tip of propping the pull rod and keeping away from first screw thread portion is connected with first bracing piece, the first tip of propping the pull rod and being close to first screw thread portion wears to establish first bracing piece and closes a fastening nut setting soon.

In some embodiments of the present invention, the window is bolted to the main frame.

In some embodiments of the present invention, the main frame comprises a first top sealing plate, a first lateral sealing plate, a second connector, a third connector, and two first frame units;

the two first frame units are transversely arranged in parallel at intervals, the second connecting piece is positioned between the two first frame units, two ends of the second connecting piece are respectively connected with the two first frame units through bolts, and the first lateral sealing plate is arranged on the side wall, away from the other first frame unit, of the first frame unit;

first top closing plate interval sets up at the top of two first frame units, and the third connecting piece setting is between first frame unit and first top closing plate, the both ends of third connecting piece respectively with first frame unit and first top closing plate bolted connection, the both sides and the top setting of the sealed main frame of first side closing plate and first top closing plate.

In some embodiments of the present invention, a second corner support assembly is disposed at a top corner of the main frame;

the second corner supporting component comprises a second supporting pull rod, a second L-shaped right-angle plate, a second fastening nut and a second supporting pull piece, a second threaded part is arranged at the end part of the second supporting pull rod, a second supporting pull part is arranged at the inner corner of the second right-angle plate, and a first supporting frame is arranged on the side wall, facing the first frame unit, of the first top sealing plate;

the both ends of second right-angle board respectively with first top closing plate and first side closing plate butt, the both ends of second bracing rod respectively the butt in first frame unit and first braced frame's inboard, the second bracing rod is kept away from the tip of second screw thread portion and is propped the piece with the second and be connected, the second bracing rod is close to the tip of second screw thread portion and is worn to establish the second and prop the piece and close the setting of second fastening nut soon.

In some embodiments of the present invention, the sub-frame includes a fourth connecting member and two second frame units arranged laterally and side by side at an interval, the fourth connecting member is located between the two second frame units, and both the two second frame units are connected with the fourth connecting member by bolts;

a second side sealing plate is arranged on the side wall of each second frame unit, which is far away from the other second frame unit, a second top sealing plate is arranged on the top of each second frame unit, a sealing plate assembly is detachably covered on the top of a gap between the two second frame units, and the second side sealing plate, the second top sealing plate and the sealing plate assembly are arranged on the top and two sides of the closed sub-frame;

the bottom ends of the two second frame units are detachably connected with vertical supporting structures, and the side walls of the secondary frames are provided with stud holes used for being connected with a building wall.

In some embodiments of the present invention, the sealing plate assembly includes a second supporting frame, a plate body attached to the second supporting frame, a third supporting rod, a third fastening nut, and a third supporting and pulling member;

the plate body is attached to the top of the second supporting frame, two ends of the plate body are lapped on the second top sealing plates of the two second frame units, and two ends of the third supporting and pulling piece are respectively butted on the inner side walls of the tops of the two second frame units; the top end of the third support pull rod is connected with the second support frame, a third thread portion is arranged at the bottom end of the third support pull rod, and the third thread portion penetrates through the third support pull piece and is screwed with a third fastening nut.

In some embodiments of the present invention, the vertical support structure comprises a support plate, a fixing nut, a coupling bolt, and an abutment bolt;

the supporting plate comprises a first side wall and a second side wall which are vertical to each other in edge, the first side wall is attached to the side wall, away from the second frame unit, of the second side sealing plate, the fixing nut is located on one side, away from the second side sealing plate, of the first side wall, and the first side wall is connected with the second frame unit through a connecting bolt which sequentially penetrates through the second frame unit and the first side wall and is screwed to the fixing nut;

the second side wall interval sets up in the bottom of second frame cell, and coupling nut welds the inside wall of second frame cell and sets up with the second side wall is relative, and the butt bolt fits in coupling nut soon, wears to establish second frame cell and with second side wall butt.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the utility model provides a cast-in-place window pouring die that wafts, including the window to tearing open mould, main frame, subframe, side frame and apron frame, the window is used for pre-buried in the window that wafts to tearing open the mould, and the window is all can dismantle with building wall and be connected tearing mould, main frame, subframe and side frame open.

When the window is used, the window pair-detaching mold is embedded in a building wall, and a bay window structure is formed in the building wall pouring process. After the building wall pouring is completed, the main frame, the secondary frame, the side frame and the cover plate frame are installed and enclosed to form a floating window plate pouring space arranged around the window, a pouring opening communicated with the floating window plate pouring space is formed between the top of the side frame and the secondary frame, and concrete is poured through the pouring opening to pour the floating window structure. After the concrete is solidified, the cover plate frame, the main frame, the secondary frame and the side frame are sequentially disassembled to finish demoulding. Because the window is to tearing open mould, main frame, subframe and side frame and all directly can dismantle with building wall and be connected, can make things convenient for workman's installation template and drawing of patterns operation through the mode of scaffold frame is set up to the outside, improved cast-in-place window's efficiency of construction that wafts.

Simultaneously, after the one deck bay window concrete solidifies, can not dismantle the side frame and be located the subframe at top, dismantle the main frame and set up the top that the aforesaid is located the subframe at top and correspond to the mould of tearing open with the window of top one deck, will dismantle the subframe that is located the main frame bottom before and move to the top of main frame to install new side frame in both sides, dismantle the apron frame and install on the main frame, subframe and the side frame of new position. And after the operation is finished, the bay window structure of the next floor can be poured, and the rest can be done in the same way, so that the bay window structure of the multi-storey building is finished. This mode has reduced the cast-in-place window construction degree of difficulty that wafts of multi-storey building.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a bay window constructed according to an embodiment of the present invention;

FIG. 2 is a schematic view of a structure of a pair of mold stripping devices according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

fig. 4 is a schematic structural view of a first connecting member according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a first corner support assembly according to an embodiment of the present invention;

fig. 6 is a front view of the main frame structure according to the embodiment of the present invention;

FIG. 7 is an enlarged view of a portion A of FIG. 6;

fig. 8 is a bottom view of the main frame structure according to the embodiment of the present invention;

FIG. 9 is a schematic view of a second corner support assembly according to an embodiment of the present invention;

FIG. 10 is a front view of a secondary frame structure according to an embodiment of the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at B;

FIG. 12 is an enlarged view of a portion of FIG. 10 at C;

fig. 13 is a bottom view of the secondary frame structure according to an embodiment of the present invention;

fig. 14 is a bottom view of the cover plate frame structure according to the embodiment of the present invention;

fig. 15 is a schematic structural view of the window counter-dismantling mold, the sub-frame and the side frame of the embodiment of the present invention when being installed on a building wall;

fig. 16 is the embodiment of the utility model provides a cast-in-place window that wafts pours the mold and installs the schematic structure drawing when building wall.

Icon: 100-building a wall; 101-bay window structure; 102-a bay window panel; 200-window pair stripping die; 300-a main frame; 400-sub-frame; 500-side frame; 600-cover plate frame; 1-embedding a nut; 2, embedding bolts; 3-circumferential sealing plates; 4-a support; 5-right-angled triangular frame; 6-a first corner support assembly; 7-a first connector; 8-adjusting the clearance; 9-a reinforcing wall; 10-a first bracing link; 11-a first rectilinear panel; 12-a first fastening nut; 13-a first bracing member; 14-a first threaded portion; 15-a first bracing portion; 16 — a first top sealing plate; 17-a first lateral sealing plate; 18-a second connector; 19-a third connection; 20-a first frame unit; 21-a sixth connecting member; 22-a second corner support assembly; 23-a second bracing link; 24-a second square; 25-a second fastening nut; 26-a second bracing member; 27-a second threaded portion; 28-a second spreader portion; 29-a first support frame; 30-a fourth connection; 31-a second frame unit; 32-a second lateral side seal plate; 33-a second top sealing plate; 34-a sealing plate assembly; 35-vertical support structures; 36-a seventh connection; 37-a second support frame; 38-a plate body; 39-third bracing link; 40-a third fastening nut; 41-a third bracing member; 42-a third threaded portion; 43-a support plate; 44-a fixing nut; 45-connecting a nut; 46-connecting bolts; 47-an abutment bolt; 48-a first side wall; 49-a second side wall; 50-pouring space for the floating window plate; 51-pouring opening; 52-connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description of the present invention and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and therefore, the present invention should not be construed as being limited thereto. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Please refer to fig. 1-5.

The present embodiment provides a window-stripping mold 200: including frame body, embedded nut 1 and embedded bolt 2, the top, bottom and both sides of frame body all are provided with circumference closing plate 3, and the circumference setting of circumference closing plate 3 sealing frame body, embedded nut 1 distributes on the lateral wall that circumference closing plate 3 deviates from the frame body, and embedded bolt 2 wears to establish circumference closing plate 3 and fits embedded nut 1 soon from the inboard of frame body.

In the present embodiment, the bay window structure is constructed as shown in fig. 1, and a window-pair-dismantling mold 200 is used to implement the construction of the bay window structure 101. The bay window structure 101 is a rectangular structure, a cubic structure frame is adopted by a corresponding frame body, a main body part of the frame body is formed by welding square pipes, and the top, the bottom and two sides of the frame body are welded and attached with circumferential sealing plates 3. In other embodiments, the circumferential sealing plate 3 may also be bolted to the frame body. The circumferential sealing plate 3 seals the circumference of the frame body to prevent concrete from entering the frame body during pouring. Two embedded nuts 1 are uniformly distributed on the outer side of each circumferential sealing plate 3 along the side length extending direction of the frame body. In other embodiments, the number of the embedded nuts 1 on each circumferential sealing plate 3 may be set to three or four, etc. according to the size and strength of the frame body. The embedded bolt 2 penetrates through the circumferential sealing plate 3 from the inner side of the frame body and is connected to the embedded nut 1 in a screwing mode.

In use, the window coupling and decoupling mold 200 is erected at a specific position of the reinforcing bars of the construction wall 100 before concrete of the construction wall 100 is poured, and forms a pouring space with a wall pouring formwork. After concrete pouring is finished, the circumferential sealing plates 3 of the concrete surrounding frame body are solidified to form a window structure, and the embedded nuts 1 are embedded in the building wall 100 at the moment. After the concrete solidifies, dismantle buried bolt 2 from buried nut 1 in advance, can remove whole frame body from the window, realize the drawing of patterns. After demoulding, the embedded nut 1 can be permanently retained in the concrete. This mode makes whole dismantlement through the bolt dismantlement to the form removal utensil can realize the drawing of patterns, has realized quick dismantlement and convenient operation, has improved the efficiency of construction.

Further, the frame body comprises a support member 4, two right-angle triangular frames 5 with oblique sides arranged at intervals and two first corner support assemblies 6, and the circumferential sealing plate 3 is positioned on the right-angle side of the right-angle triangular frame 5; the support member 4 is located between the two right-angled triangular frames 5 and detachably connected to the two right-angled triangular frames 5, and the first corner support member 6 is detachably connected to both ends of the inclined sides of the two right-angled triangular frames 5.

In this embodiment, the two right-angled triangular frames 5 have the same specification and are formed by welding square pipes. The hypotenuses of the two right-angle triangular frames 5 are arranged oppositely, and the detachable connection is realized through the supporting piece 4. The first corner supporting component 6 has two functions, namely, the first corner supporting component supports the two right-angle triangular frames 5, and the second corner supporting component seals the gap between the ends of the hypotenuses of the two right-angle triangular frames 5 to prevent concrete leakage.

In demolding, since the extrusion force between the concrete and the window-to-demolding mold 200 is large, it is difficult to directly remove the window-to-demolding mold 200 from the bay window structure 101, and therefore, it is necessary to appropriately move the frame body toward the interior of the bay window structure 101 to separate the circumferential sealing plate 3 from the concrete. Specifically, dismantle whole the getting off of pre-buried bolt 2 on the circumferential seal board 3, dismantle first corner supporting component 6 and support piece 4 again, at this moment, two right angle triangle frames 5 can be towards the inboard removal of window structure 101 that wafts, realize the separation of circumferential seal board 3 and concrete, and two right angle triangle frames 5 after the separation can directly shift out, and is very convenient. Simultaneously, divide into two right angle triangle frames 5 with the frame body, the quality of every part thereof is lighter, under the condition of adopting light frame such as aluminum alloy, 5 single can manually lift up right angle triangle frames for the drawing of patterns process can go on through artificial mode, convenient operation.

Further, the frame body still includes first connecting piece 7, and first connecting piece 7 includes two connecting walls of border vertically, two connecting walls respectively with support piece 4's border and right angle triangle frame 5's hypotenuse bolted connection, all there is the regulation clearance between support piece 4's both sides border and the hypotenuse of two right angle triangle frames 5.

In the embodiment, the supporting member 4 is made of a plate material, and two opposite side edges of the supporting member are respectively arranged towards the bevel edges of the two right-angle triangular frames 5; the cross section of the first connecting piece 7 is L-shaped, one connecting wall is welded and fixed with the bevel edge of the right-angle triangular frame 5, and the other connecting wall is fixed with the edge of the supporting piece 4 through bolts so as to realize detachable connection of the supporting piece 4. Meanwhile, in order to increase the strength of the first connecting member 7, reinforcing walls 9 connected to both connecting walls are welded to both ends of the first connecting member 7. The setting of the adjustment gap is such that during disassembly the support 4 is not squeezed between the hypotenuses of the two right angle triangular frames 5, which would be difficult to remove due to the squeezing action described above.

In other embodiments, the connecting wall of the first connecting member 7 may be connected to the hypotenuse of the right-angle triangular frame 5 by a bolt.

Further, the first corner support assembly 6 comprises a first stay rod 10, a first L-shaped right angle plate 11, a first fastening nut 12 and a first stay piece 13, wherein a first threaded portion 14 is arranged at an end of the first stay rod 10, and a first stay portion 15 is arranged at an inner corner of the first right angle plate 11; the both ends of first straight corner board 11 all with the butt of circumferential seal board 3, the both ends of first bracing pull rod 10 butt respectively on the tip inside wall of two right-angled triangle frame 5 hypotenuses, the tip that first screw thread portion 14 was kept away from to first bracing pull rod 10 is connected with first bracing pull piece 13, the tip that first bracing pull rod 10 is close to first screw thread portion 14 wears to establish first bracing pull piece 13 and closes first fastening nut 12 setting soon.

In this embodiment, the first straight angle plate 11 is formed by bending a plate, and edges of both side walls thereof overlap edges of the adjacent circumferential sealing plates 3 of the two right-angle triangular frames 5, respectively, so as to cover a gap between the two circumferential sealing plates 3. Meanwhile, in order to fix the first gusset 11, a first stay rod 10, a first stay 13 and a first fastening nut 12 are further provided, and a first stay portion 15 is welded to an inner corner of the first gusset 11. In detail, the first bracing piece 13 is made of a square tube, and two ends of the first bracing piece are respectively abutted against the inner side walls of the end parts of the bevel edges of the two right-angle triangular frames 5. The first supporting rod 10 is connected with the first supporting part 15, the first thread part 14 of the first supporting rod 10 penetrates through the first supporting part 13 and is screwed with the first fastening nut 12, and the first straight angle plate 11 is fixed between the two right-angle triangular frames 5 through the screwing and pulling effects of the first thread part 14 and the first fastening nut 12. For disassembly, the first fastening nut 12 is simply separated from the first threaded portion 14.

Preferably, the first stay rod 10 is U-shaped, the two ends of the first stay rod 10 are both provided with first threaded portions 14, and the middle portion of the first stay rod 10 is provided with a first stay portion 15 in a penetrating manner. The first supporting and pulling piece 13 is two independent square pipes, and two ends of the first supporting and pulling rod 10 penetrate through the two square pipes respectively and are screwed with the first fastening nut 12.

Example 2

Please refer to fig. 1, fig. 6, fig. 7, fig. 8 and fig. 9.

The present embodiment provides a main frame 300: comprises a first top sealing plate 16, a first lateral sealing plate 17, a second connecting piece 18, a third connecting piece 19 and two first frame units 20; the two first frame units 20 are transversely arranged in parallel at intervals, the second connecting piece 18 is positioned between the two first frame units 20, two ends of the second connecting piece 18 are respectively connected with the two first frame units 20 through bolts, and the first lateral sealing plate 17 is arranged on the side wall of the first frame unit 20, which is far away from the other first frame unit 20; the first top sealing plates 16 are spaced apart at the top of the two first frame units 20, the third connecting members 19 are disposed between the first frame units 20 and the first top sealing plates 16, both ends of the third connecting members 19 are bolted to the first frame units 20 and the first top sealing plates 16, respectively, and the first side sealing plates 17 and the first top sealing plates 16 are disposed to seal both sides and the top of the main frame 300.

In the present embodiment, the bay window structure constructed as shown in fig. 1 includes a bay window structure 101 and bay windows 102 located around the bay window structure 101. Two first frame cell 20 all adopt square pipe welding to form, and two first frame cell 20 are listed as the interval setting. The second connecting piece 18 is formed by processing plates, the opposite side walls of the two first frame units 20 are welded with the sixth connecting piece 21 with the L-shaped section, one side wall of the sixth connecting piece 21 is attached to the second connecting piece 18 and connected with the second connecting piece through bolts, the other side wall of the sixth connecting piece 21 is welded with the first frame unit 20 or connected with the first frame unit through bolts, and a certain gap is reserved between the second connecting piece 18 and the two second frame units 31. The number of the second connecting members 18 may be two or three, etc. in order to secure the connecting strength. In addition, the surface of the second connector 18 processed by the plate material may be provided with a relief to increase strength. The first lateral sealing plate 17 has two, respectively welded to the side walls of the two first frame units 20 facing away from the other first frame unit 20. In other embodiments, the first lateral sealing plate 17 may be connected to the first frame unit 20 by means of bolts. The first top sealing plates 16 are spaced apart at the top of the two first frame units 20. The third connecting member 19 is formed by processing a plate. The opposite side walls of the first frame unit 20 and the first top sealing plate 16 are welded or bolted with sixth connecting members 21, and both ends of the third connecting member 19 are bolted with the two sixth connecting members 21, respectively. Meanwhile, a gap is present between the third connector 19 and both the first top sealing plate 16 and the first frame unit 20.

When in use, after concrete in the louver plates 102 located in the circumferential direction is solidified, the main frame 300 needs to be disassembled. Because of there is great extrusion force to the circumference of main frame 300 after the concrete solidifies, the concrete dismantlement mode of main frame 300 is: the second connecting member 18 and the third connecting member 19 are detached, and the second connecting member 18 and the third connecting member 19 are not extruded and are not difficult to take out because a gap exists between the second connecting member 18 and the two first frame units 20 and a gap exists between the third connecting member 19 and the first top sealing plate 16 and the first frame units 20. At this time, since there are gaps between the two first frame units 20 and between the first frame unit 20 and the first top sealing plate 16, the three can move in a direction away from the concrete to be separated from the concrete, so that the two first frame units 20 and the first top sealing plate 16 can be taken out. The main frame 300 of this structure convenient to detach, construction convenience has promoted drawing of patterns efficiency. Simultaneously, this mode makes whole main frame 300 cut apart into the less part of quality such as two first frame cell 20 and first top sealing plate 16, and its dismantlement back constructor can bare-handed take out each part in proper order, and constructor can dismantle convenient operation through setting up the scaffold frame or taking the mode of taking advantage of the lift.

In the above embodiment, for the convenience of connection, a pin may be used for positioning before the second and

third connection members

18 and 19 are bolted to the sixth connection member 21.

In other embodiments than the above embodiments, the second connecting member 18 and the third connecting member 19 may be formed by machining a rod.

Further, a second corner support assembly 22 is disposed at a top corner of the main frame 300; the second corner supporting assembly 22 comprises a second supporting pull rod 23, a second L-shaped right-angle plate 24, a second fastening nut 25 and a second supporting pull piece 26, a second threaded part 27 is arranged at the end part of the second supporting pull rod 23, a second supporting pull part 28 is arranged at the inner corner of the second right-angle plate 24, and a first supporting frame 29 is arranged on the side wall, facing the first frame unit 20, of the first top sealing plate 16; the both ends of second rectangular plate 24 respectively with first top sealing plate 16 and first side sealing plate 17 butt, the both ends of second bracing pull rod 23 respectively butt in the inboard of first frame unit 20 and first supporting frame 29, the tip that second screw thread 27 was kept away from to second bracing pull rod 23 props with the second and draws piece 26 to be connected, the tip that second bracing pull rod 23 is close to second screw thread 27 wears to establish the second and props and draws piece 26 and closes second fastening nut 25 setting soon.

In the present embodiment, since the first top sealing plate 16 and the first frame unit 20 have a gap, the corners of the two ends of the top of the main frame 300 are not closed. It is necessary to provide the second corner support assembly 22 at the top corner of the main frame 300. The second right-angle plate 24 is formed by bending a plate, and the edges of two side walls of the second right-angle plate are respectively overlapped on the edges of the first top sealing plate 16 and the first side sealing plate 17 so as to cover the gap at the corner. Meanwhile, in order to fix the second rectangular plate 24, a second supporting and pulling rod 23, a second supporting and pulling piece 26 and a second fastening nut 25 are further arranged, and a second supporting and pulling part 28 is welded at the inner corner of the second rectangular plate 24. The first support frame 29 is formed by welding a square pipe, and the first top sealing plate 16 is welded to the top of the first support frame 29. The second supporting and pulling member 26 is made of a square tube, and two end sidewalls thereof are respectively abutted against the inner sidewall of the first frame unit 20 and the inner sidewall of the first supporting frame 29. The second bracing rod 23 is connected with the second bracing portion 28, a second thread portion 27 of the second bracing rod 23 penetrates through the second bracing piece 26 and is screwed with the second fastening nut 25, and the second right-angle plate 24 is fixed between the first top sealing plate 16 and the first frame unit 20 through the screwing and pulling effects of the second thread portion 27 and the second fastening nut 25. For removal, the second fastening nut 25 is simply separated from the second threaded portion 27.

Preferably, the second stay bar 23 is U-shaped, the two ends of the second stay bar 23 are both provided with second threaded portions 27, and the middle portion of the second stay bar 23 is provided with a second stay portion 28. The second supporting and pulling member 26 is two independent square tubes, and two ends of the second supporting and pulling rod 23 are respectively arranged through the two square tubes and screwed with the second fastening nut 25.

Example 3

Please refer to fig. 1, 10, 11, 12 and 13.

The present embodiment provides a sub-frame 400: the connecting structure comprises a fourth connecting piece 30 and two second frame units 31 which are transversely arranged in parallel at intervals, wherein the fourth connecting piece 30 is positioned between the two second frame units 31, and the two second frame units 31 are both connected with the fourth connecting piece 30 through bolts; the side wall of each second frame unit 31, which faces away from another second frame unit 31, is provided with a second lateral sealing plate 32, the top of each second frame unit 31 is provided with a second top sealing plate 33, the top of the gap between the two second frame units 31 is detachably covered with a sealing plate assembly 34, and the second lateral sealing plate 32, the second top sealing plate 33 and the sealing plate assembly 34 are arranged to close the top and two sides of the secondary frame 400; the bottom ends of the two second frame units 31 are detachably connected with vertical supporting structures 35, and stud holes for connecting with the building wall 100 are distributed on the side wall of the secondary frame 400.

In the present embodiment, the bay window structure constructed as shown in fig. 1 includes a bay window structure 101 including a bay window structure 101 and bay windows 102 located around the bay window structure 101. Two second frame cell 31 all adopt square tube welding to form, and two second frame cell 31 horizontal intervals set up. The fourth connecting member 30 is formed by processing a plate, and both ends of the fourth connecting member are respectively connected with the two second frame units 31 through bolts, so that the two second frame units 31 can be detached from each other. Meanwhile, in order to secure the connection strength, the number of the fourth connection members 30 may be two or three, etc. In addition, the surface of the fourth connecting member 30 processed by the plate material may be provided with a relief to increase strength. Preferably, the frame unit further comprises a seventh connecting member 36 with an L-shaped cross section, one side wall of the seventh connecting member 36 is attached to the fourth connecting member 30 and is connected with the fourth connecting member by bolts, and the other side wall of the seventh connecting member 36 is welded or connected with the frame unit by bolts. There is a gap between the fourth connector 30 and both of the second frame units 31. This arrangement allows the fourth connecting member 30 to be removed without being pressed by the two second frame units 31. For ease of connection, a pin may be used for positioning before the fourth connector 30 is bolted to the seventh connector 36. Two second top sealing plates 33 are welded or bolted to top walls of the two second frame units 31, respectively, and two second side sealing plates 32 are welded or bolted to opposite side walls of the two second frame units 31, respectively. The seal plate assembly 34 covers the top between the two second top seal plates 33. The bottom ends of the two second frame units 31 are detachably connected with the vertical supporting structures 35, and after the vertical supporting structures 35 are detached from the second frame units 31, the second frame units 31 can move vertically.

When concrete placement solidifies and accomplishes the needs drawing of patterns, because of the concrete is great to inferior frame 400's extrusion force, be difficult to directly take out whole inferior frame 400, consequently before dismantling the mould, will dismantle with wall connection's peg earlier, dismantle vertical support structure 35, closing plate assembly 34 and fourth connecting piece 30 again, two second frame cell 31 can move towards the one side that deviates from the concrete direction this moment, in order to separate with the concrete, be convenient for take out, the efficiency of drawing of patterns has been promoted. Simultaneously, this mode makes whole inferior frame 400 cut apart into two second frame element 31, and the quality of two second frame element 31 is less relatively for constructor can take out each part in proper order by bare-handed after the dismantlement, and constructor can dismantle convenient operation through setting up the scaffold frame or taking the mode of taking advantage of the lift.

In other embodiments than the above, the fourth connecting member 30 may be made of a rod material.

Further, the sealing plate assembly 34 includes a second supporting frame 37, a plate body 38 attached to the second supporting frame 37, a third bracing rod 39, a third fastening nut 40, and a third bracing piece 41; the plate body 38 is attached to the top of the second supporting frame 37, two ends of the plate body 38 are overlapped on the second top sealing plates 33 of the two second frame units 31, and two ends of the third bracing piece 41 are respectively abutted on the inner side walls of the tops of the two second frame units 31; the top end of the third support rod 39 is connected with the second support frame 37, the bottom end of the third support rod 39 is provided with a third thread portion 42, and the third thread portion 42 penetrates through the third support rod 41 and is screwed with a third fastening nut 40.

In this embodiment, the second support frame 37 is formed by welding hollow square pipes, and the plate 38 is welded or bolted to the top of the second support frame 37. Both ends of the plate body 38 extend out of both ends of the second support frame 37 to overlap the second top sealing plates 33 of the two second frame units 31, respectively, and at this time, the second top sealing plates 33, the second lateral sealing plates 32, and the plate body 38 close the top and both sides of the entire sub-frame 400 to prevent the concrete from passing therethrough. Meanwhile, in order to detachably connect the plate body 38 between the two second frame units 31, the seal plate assembly 34 is further provided with a third stay bar 39, a third fastening nut 40, and a third stay member 41. The third bracing piece 41 is made of a square tube, two ends of the third bracing piece are respectively abutted to the inner side walls of the tops of the two second frame units 31, the top end of the third bracing rod 39 is connected with the second supporting frame 37, the bottom end of the third bracing rod 39 penetrates through the third bracing piece 41, and the third fastening nut 40 is screwed on the third thread part 42 at the bottom end of the third bracing rod 39 to realize connection. When disassembly is required, the third fastening nut 40 need only be disassembled.

Preferably, the top end of the third supporting rod 39 is bent and extended to be L-shaped, and the bent portion thereof extends into the rod body of the hollow second supporting frame 37, so as to connect the second supporting frame 37 with the third supporting rod. Under the tensioning action of the third fastening nut 40, the joint of the two can be ensured to be stable.

In other embodiments besides the above embodiments, the third bracing rod 39 may also be welded and fixed with the second supporting frame 37.

Further, the vertical support structure 35 includes a support plate 43, a fixing nut 44, a coupling nut 45, a coupling bolt 46, and an abutment bolt 47; the supporting plate 43 comprises a first side wall 48 and a second side wall 49 which are vertical to each other, the first side wall 48 is attached to the side wall of the second lateral sealing plate 32, which is far away from the second frame unit 31, the fixing nut 44 is positioned on the side, which is far away from the second lateral sealing plate 32, of the first side wall 48, and the first side wall 48 is connected with the second frame unit 31 through the connecting bolt 46 which sequentially penetrates through the second frame unit 31 and the first side wall 48 and is screwed on the fixing nut 44; the second side wall 49 is disposed at the bottom end of the second frame unit 31 at intervals, the connection nut 45 is welded to the inner side wall of the second frame unit 31 and disposed opposite to the second side wall 49, and the abutting bolt 47 is screwed on the connection nut 45, penetrates through the second frame unit 31 and abuts against the second side wall 49.

In this embodiment, the supporting plate 43 is bent from a plate material to form an L shape, and includes a first side wall 48 and a second side wall 49 with vertical edges, and the first side wall 48 is attached to the side wall of the second side sealing plate 32 away from the second frame unit 31 to prevent the concrete from passing through. Meanwhile, a fixing nut 44 is disposed on the first side wall 48, and a connecting bolt 46 sequentially penetrates through the second frame unit 31 and the first side wall 48 and is screwed in the fixing nut 44, so as to connect the first side wall, the second frame unit and the first side wall. The second side walls 49 are provided at intervals at the bottom end of the second frame unit 31, and when the concrete pouring is completed, the second side walls 49 abut against the concrete. The bottom end of the abutment bolt 47 abuts against the second side wall 49 to ensure the stability of the support plate 43.

In practical use, after concrete pouring is completed, the second side wall 49 is abutted to the concrete, at the moment, the abutting bolt 47 is screwed off the second side wall 49, the connecting bolt 46 is disassembled, the two second frame units 31 are mutually disassembled, vertical relative movement can be generated between the supporting plate 43 and the second frame units 31, at the moment, the second frame units 31 are moved downwards, the second top sealing plate 33 at the top of the second frame units 31 can be separated from the concrete at the top, and the second frame units 31 are convenient to disassemble. When removed, the retaining nut 44 remains in the concrete.

Example 4

Please refer to fig. 1-16.

This embodiment provides a cast-in-place window that wafts and pours mould: the window split mold 200 shown in embodiment 1, the main frame 300 shown in embodiment 2, and the sub-frame 400 shown in embodiment 3 are included. In addition, the side frame 500 and the cover frame 600 are included. The window opposite-detaching mold 200 is used for pouring the bay window structure 101, the window opposite-detaching mold 200, the secondary frame 400 and the side frame 500 are detachably connected with the building wall 100, and the main frame 300 is detachably connected with the window opposite-detaching mold 200; the main frame 300 and the window are arranged in parallel to the detaching die 200, the sub-frames 400 are arranged at the top and the bottom of the main frame 300 at intervals, the side frames 500 are arranged at the side portions of the main frame 300 and the sub-frames 400 at intervals, the bay window plate pouring space 50 is formed among the sub-frames 400, the main frame 300 and the side frames 500, the cover plate frame 600 covers and closes the bay window pouring space, and the pouring opening 51 communicated with the bay window plate pouring space 50 is formed between the top of the side frame 500 and the sub-frame 400.

In this embodiment, the bay window structure to be constructed is shown in fig. 1, and has a multi-layer bay window structure, the side frame 500 and the cover plate frame 600 are made of plates, and the side walls of the two are welded with frames made of square pipes for reinforcement. The shape of the cover panel frame 600 matches the shape of the bay window panel casting space 50. When the window aligning and disassembling mold 200 is used, the window aligning and disassembling mold is erected in the reinforcing steel bars of the building wall 100 before concrete of the building wall 100 is poured, and after the concrete of the building wall 100 is poured, the bay window structure 101 can be formed. After the building wall 100 is poured, the main frame 300 is installed on the window opposite-detaching mold 200, the two sub-frames 400 are respectively arranged at the top and the bottom of the main frame 300 at intervals, the two side frames 500 are respectively arranged at the two sides of the main frame 300 and the sub-frames 400 at intervals, the cover plate frame 600 is covered, and at the moment, concrete can be poured from the pouring opening 51 to form the floating window plate 102 structure around the floating window structure 101. After the floating window structure of one deck pours and solidifies the completion, can pour the floating window structure of top one deck, concrete operation mode is:

disassembling the cover plate frame 600, disassembling the main frame 300 and the secondary frame 400 positioned at the bottom, connecting the disassembled main frame 300 to the window opposite-disassembling mould 200 positioned at the top layer, installing the disassembled secondary frame 400 on the building wall 100 at the top of the re-installed main frame 300 at intervals through bolts, respectively installing the other two side frames 500 on the building walls 100 at the tops of the original two side frames 500 through the bolts, and installing the cover plate frame 600 on the main frame 300, the secondary frame 400 and the other two side frames 500 through bolts; at this time, the louver plate pouring space 50 on the top floor is formed by the sub-frame 400, the main frame 300, the sub-frame 400, the two other side frames 500 and the cover plate frame 600, which are in the new position, and the construction of the louver plates 102 on the top floor can be achieved after the concrete is poured into the louver plate pouring space 50 and is solidified. And by parity of reasoning, the construction of the bay window structure in the vertical direction of the whole building is completed.

After the construction is finished, the cast-in-place bay window pouring mold can be dismantled. Specifically, the cover plate frame 600 is now removed by bolts, the side frame 500 is removed by bolts from the side frame 500 and the building wall 100, the main frame 300 and the sub-frame 400 are removed, and finally the window-pair removal mold 200 is removed. The removal manners of the main frame 300, the sub-frame 400 and the window to the removal mold 200 are respectively described in the

above embodiments

1, 2 and 3, and are not described again.

Further, the window-pair removal mold 200 is bolted to the main frame 300.

In this embodiment, the window is provided with a connecting plate 52 on the side wall opposite to the detaching mold 200 and the main frame 300, a bolt hole is opened on the connecting plate 52, and the window is detachably connected to the detaching mold 200 and the main frame 300 through a bolt penetrating through the bolt hole. Before the main frame 300 is disassembled, the bolts connecting the main frame 300 with the window-dismantling mold 200 need to be dismantled before the main frame 300 is dismantled, and then the dismantling step of the main frame 300 can be performed.

To sum up, the utility model provides a cast-in-place window pouring mould that wafts, including the window to tearing mould 200, main frame 300, inferior frame 400, limit frame 500 and apron frame 600, the window is used for pre-buried in the window that wafts to tearing mould 200 open, and the window all can dismantle with building wall 100 and be connected mould 200, main frame 300, inferior frame 400 and limit frame 500 open. This cast-in-place window that wafts pours mould makes things convenient for on-spot setting up and dismantlement, and makes things convenient for successive layer to pour in succession, has improved founding the mould and drawing of patterns efficiency.

While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the details of the foregoing illustrative embodiments, and that the 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 application 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.

Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cast-in-place bay window pouring mold is characterized by comprising a window pair-detaching mold, a main frame, a secondary frame, a side frame and a cover plate frame, wherein the window pair-detaching mold is used for pouring a bay window structure, the window pair-detaching mold, the secondary frame and the side frame are detachably connected with a building wall, and the main frame is detachably connected with the window pair-detaching mold;

the main frame with the window is to tearing open the mould and setting up side by side, the subframe interval set up in the top and the bottom of main frame, the limit frame interval sets up the main frame with the lateral part of subframe, the main frame with be formed with bay window board pouring space between the frame, the cover plate frame lid closes and seals bay window pouring space sets up, be formed with between the top of frame and the subframe with the mouth of pouring of bay window board pouring space intercommunication.

2. The cast-in-place bay window pouring mold according to claim 1, wherein the window pair-dismantling mold comprises a frame body, embedded nuts and embedded bolts, wherein circumferential sealing plates are arranged on the top, the bottom and the two sides of the frame body, the circumferential sealing plates seal the circumferential arrangement of the frame body, the embedded nuts are distributed on the side wall of the circumferential sealing plate departing from the frame body, and the embedded bolts penetrate through the circumferential sealing plates from the inner side of the frame body and are screwed in the embedded nuts.

3. A cast-in-place bay window casting mold according to claim 2, wherein the frame body comprises a support member, two right-angled triangular frames with oblique sides spaced apart, and two first corner support assemblies, the circumferential sealing plate being located on the right-angled sides of the right-angled triangular frames;

support piece is located two between the right triangle frame and with two the right triangle frame can be dismantled and be connected, first corner supporting component can dismantle connect in two the both ends of right triangle frame hypotenuse.

4. A cast-in-place bay window casting mold according to claim 3, wherein the frame body further comprises a first connecting member, the first connecting member comprises two connecting walls with vertical edges, the two connecting walls are respectively connected with the edges of the supporting member and the bevel edge of the right-angled triangular frame by bolts, and an adjusting gap is formed between the two side edges of the supporting member and the bevel edges of the two right-angled triangular frames.

5. A cast-in-place bay window casting mold according to claim 3, wherein the first corner support assembly comprises a first stay rod, a first L-shaped right angle plate, a first fastening nut and a first stay member, wherein a first threaded portion is provided at an end of the first stay rod, and a first stay portion is provided at an inner corner of the first right angle plate;

the two ends of the first straight angle plate are abutted to the circumferential sealing plate, the two ends of the first supporting pull rod are abutted to the inner side walls of the end parts of the two inclined edges of the right-angled triangular frame respectively, the end part of the first supporting pull rod, which is far away from the first thread part, is connected with the first supporting pull piece, and the end part of the first supporting pull rod, which is close to the first thread part, penetrates through the first supporting pull piece and is screwed with the first fastening nut.

6. A cast-in-place bay window casting mold according to claim 1, wherein the window split mold is bolted to the main frame.

7. A cast-in-place bay window casting mold according to claim 1, wherein the main frame comprises a first top sealing plate, a first side sealing plate, a second connector, a third connector and two first frame units;

the two first frame units are transversely arranged in parallel at intervals, the second connecting piece is positioned between the two first frame units, two ends of the second connecting piece are respectively connected with the two first frame units through bolts, and the first lateral sealing plate is arranged on the side wall of the first frame unit, which is far away from the other first frame unit;

the first top sealing plates are arranged at the tops of the two first frame units at intervals, the third connecting piece is arranged between the first frame units and the first top sealing plate, two ends of the third connecting piece are respectively in bolted connection with the first frame units and the first top sealing plate, and the first side sealing plate and the first top sealing plate are arranged at two sides and the top of the main frame in a sealing mode.

8. A cast-in-place bay window casting mould as claimed in claim 7, wherein a second corner support assembly is provided at a top corner of the main frame;

the second corner supporting assembly comprises a second supporting pull rod, a second L-shaped right-angle plate, a second fastening nut and a second supporting pull piece, a second threaded part is arranged at the end part of the second supporting pull rod, a second supporting pull part is arranged at the inner corner of the second right-angle plate, and a first supporting frame is arranged on the side wall, facing the first frame unit, of the first top sealing plate;

the two ends of the second right-angle plate are respectively abutted to the first top sealing plate and the first side sealing plate, the two ends of the second supporting pull rod are respectively abutted to the first frame unit and the inner side of the first supporting frame, the end part of the second supporting pull rod, which is far away from the second thread part, is connected with the second supporting pull piece, and the end part of the second supporting pull rod, which is close to the second thread part, penetrates through the second supporting pull piece and is screwed with the second fastening nut.

9. A cast-in-place bay window casting mould according to claim 8, wherein the secondary frame comprises a fourth connector and two second frame units spaced apart laterally, the fourth connector being located between the two second frame units, both of the second frame units being bolted to the fourth connector;

a second side sealing plate is arranged on the side wall of each second frame unit, which is far away from the other second frame unit, a second top sealing plate is arranged on the top of each second frame unit, a sealing plate assembly is detachably covered on the top of a gap between the two second frame units, and the second side sealing plate, the second top sealing plate and the sealing plate assembly are arranged on the top and two sides of the secondary frame in a sealing manner;

the bottom ends of the two second frame units can be detachably connected with vertical supporting structures, and stud holes used for being connected with a building wall are distributed in the side wall of the secondary frame.

10. A cast-in-place bay window casting mold according to claim 9, wherein the sealing plate assembly comprises a second support frame, a plate body attached to the second support frame, a third bracing rod, a third fastening nut and a third bracing member;

the plate body is attached to the top of the second supporting frame, two ends of the plate body are overlapped on the second top sealing plates of the two second frame units, and two ends of the third supporting and pulling piece are respectively abutted on the inner side walls of the tops of the two second frame units; the top end of the third support rod is connected with the second support frame, a third thread portion is arranged at the bottom end of the third support rod, and the third thread portion penetrates through the third support piece and is screwed with the third fastening nut.

11. A cast-in-place bay window casting mold according to claim 9, wherein the vertical support structure comprises a support plate, a retaining nut, a connecting bolt, and an abutment bolt;

the supporting plate comprises a first side wall and a second side wall which are vertical to each other, the first side wall is attached to the side wall, away from the second frame unit, of the second side sealing plate, the fixing nut is located on one side, away from the second side sealing plate, of the first side wall, and the first side wall is connected with the second frame unit through a connecting bolt which sequentially penetrates through the second frame unit and the first side wall and is screwed to the fixing nut;

the second side wall interval set up in the bottom of second frame unit, coupling nut welds the inside wall of second frame unit and with the second side wall sets up relatively, the butt bolt closes soon coupling nut, wears to establish second frame unit and with second side wall butt.