CN213204595U

CN213204595U - Building wall

Info

Publication number: CN213204595U
Application number: CN202021195469.2U
Authority: CN
Inventors: 周裕文
Original assignee: Shanghai Hengxu Energy Saving Environmental Protection Technology Co ltd
Current assignee: Shanghai Hengxu Energy Saving Environmental Protection Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-05-14
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a building wall, include: a first wall panel; the second wallboard is connected with the first wallboard through a plurality of first pulling parts and encloses into a first cavity with the first wallboard, be equipped with the wall structure reinforcing bar in the first cavity, the wall structure reinforcing bar includes hidden column reinforcing bar and wall body reinforcing bar. The utility model discloses a building wall is the prefabricated component of cavity structure, and the inside wall body reinforcing bar and the hidden column reinforcing bar of wall body that have integrateed of cavity do not need the manual work at on-the-spot ligature reinforcing bar, have saved a large amount of manual works and material cost.

Description

Building wall

Technical Field

The utility model relates to a building technical field, in particular to building wall.

Background

At present, a cast-in-place process is generally adopted in the construction of China, formwork erecting and formwork removing operations need to be carried out manually, plastering and other operations need to be carried out manually after a structural main body is poured and formed, a large amount of wood resources and labor cost are consumed in the construction of China every year, along with the reduction of the Chinese population, construction workers are fewer and fewer, the labor cost is higher and higher, and the traditional cast-in-place process is difficult to maintain the sustainable development of the Chinese construction industry.

In the existing fabricated building, reinforcing steel bars need to be manually bound on site, a hidden column is formed on a construction site by adopting a cast-in-place process, a large amount of manpower and material resources are consumed, and template resources are also consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve prefabricated wall body and use inconvenient technical problem. The utility model provides a building wall, for the prefabricated component of cavity structure, the inside wall body reinforcing bar and the hidden column reinforcing bar of wall body that have integrateed of cavity do not need the manual work at on-the-spot ligature reinforcing bar, have saved a large amount of manual works and material cost. After the building wall is hoisted in place, concrete is poured into the cavity, so that the wall body part and the hidden column part of the building wall are formed by pouring at one time, and the condition that two construction processes of cast-in-place and prefabrication are staggered does not exist. Compare traditional prefabricated wallboard, this cavity building wall body dead weight is lighter, and the cost of manufacture is lower, the preparation efficiency is higher, can effective reduce cost, more does benefit to the popularization of assembly type building technique.

In order to solve the technical problem, an embodiment of the utility model discloses a building wall, include: a first wall panel; the second wallboard is connected with the first wallboard through a plurality of first pulling parts and encloses into a first cavity with the first wallboard, be equipped with the wall structure reinforcing bar in the first cavity, the wall structure reinforcing bar includes hidden column reinforcing bar and wall body reinforcing bar.

By adopting the technical scheme, the building wall is a prefabricated part with a cavity structure, the wall body reinforcing steel bars and the embedded column reinforcing steel bars of the wall are integrated in the cavity, the reinforcing steel bars do not need to be manually bound on site, and a large amount of labor and material cost are saved. After the building wall is hoisted in place, concrete is poured into the cavity, so that the wall body part and the hidden column part of the building wall are formed by pouring at one time, and the condition that two construction processes of cast-in-place and prefabrication are staggered does not exist. Compare traditional prefabricated wallboard, this cavity building wall body dead weight is lighter, and the cost of manufacture is lower, the preparation efficiency is higher, can effective reduce cost, more does benefit to the popularization of assembly type building technique.

According to the utility model discloses another embodiment still includes: and the third wallboard is connected with the second wallboard through a plurality of second pulling pieces and forms a second cavity with the second wallboard, a heat-insulating wallboard is arranged in the second cavity, and the heat-insulating wallboard is connected with the second pulling pieces.

According to the utility model discloses a further embodiment, the heat preservation wallboard with the second wallboard is laminated mutually, and with the interval sets up and forms the third cavity between the third wallboard.

According to the utility model discloses a further embodiment, the second drawknot piece passes the second wallboard with thermal insulation wallboard, one end is located in the third wallboard, the other end is located in the first cavity.

According to the utility model discloses a further embodiment, each the one end of first drawknot piece with first wallboard unsmooth cooperation, the other end with second wallboard unsmooth cooperation.

According to the utility model discloses a another embodiment, each the one end of second drawknot spare with the unsmooth cooperation of third wallboard, the other end with the second wallboard or the building material unsmooth cooperation of pouring in the first cavity.

According to another embodiment of the present invention, the first pulling element comprises a first body portion extending in a first direction, the first body portion having a front side and a back side in a second direction perpendicular to the first direction;

at least one first convex part is arranged at one end of the first body part and on the front surface and/or the back surface of the first body part;

at least one second protrusion is disposed on the front surface and/or the back surface of the first body portion at the other end of the first body portion.

According to another embodiment of the present invention, the middle region of the first body part is formed with an inner concave surface protruding from the back surface of the first body part in a direction from the front surface to the back surface of the first body part; or, in the direction from the back surface to the front surface of the first body part, the middle region of the first body part is formed with an inner concave surface which protrudes out of the front surface of the first body part.

According to the utility model discloses a further concrete implementation mode, the bottom of interior concave surface is equipped with two at least through-holes.

According to another embodiment of the present invention, the first body portion is flat.

According to another embodiment of the present invention, each of the first tie members is vertically connected to the first wall panel and the second wall panel, respectively, along the first direction; along the second direction, the first body parts of the adjacent first pulling pieces are arranged in parallel and face to face.

According to another embodiment of the present invention, the second pulling element comprises a second body portion extending in a first direction, the second body portion having a front face and a back face in a second direction perpendicular to the first direction;

at least one first convex part is arranged at one end of the second body part and on the front surface and/or the back surface of the second body part;

at least one second protrusion is disposed on the front surface and/or the back surface of the second body portion at the other end of the second body portion.

According to another embodiment of the present invention, the middle region of the second body part is formed with an inner concave surface protruding the back surface of the second body part in a direction from the front surface to the back surface of the second body part; or, in the direction from the back surface to the front surface of the second body part, the middle region of the second body part is formed with an inner concave surface which protrudes out of the front surface of the second body part.

According to another embodiment of the present invention, the second body portion is flat.

According to another embodiment of the present invention, each of the second tie members is vertically connected to the third wall panel and the second wall panel, respectively, along the first direction; along the second direction, the second body parts of the adjacent second pulling pieces are arranged in parallel and face to face.

According to another specific embodiment of the present invention, the first wall panel is parallel to the second wall panel, and a plurality of the first tie members between the first wall panel and the second wall panel are arranged in parallel and at equal intervals; the third wallboard is parallel to the second wallboard, third wallboard with a plurality of between the second wallboard the second drawknot piece is parallel and equidistant setting.

According to another embodiment of the present invention, the distance between adjacent first pulling elements is smaller than the distance between adjacent second pulling elements.

Drawings

Fig. 1 is a perspective view of a building wall according to an embodiment of the present invention;

fig. 2 shows a first top view of a building wall according to an embodiment of the present invention;

fig. 3 shows a second top view of the building wall according to the embodiment of the present invention;

fig. 4 shows a side view of a building wall according to an embodiment of the invention;

fig. 5 shows a third top view of the building wall according to the embodiment of the present invention;

fig. 6 shows a first perspective view of a first fastener in a building wall according to an embodiment of the present invention;

fig. 7 shows a first side view of a first fastener in a building wall according to an embodiment of the present invention;

fig. 8 is a second perspective view of a first fastener in a frame post wall according to an embodiment of the present invention;

fig. 9 shows a second side view of a first fastener in a frame post wall according to an embodiment of the present invention;

fig. 10 is a perspective view showing a fastener fixing tool according to an embodiment of the present invention;

fig. 11 is an enlarged view of a portion a in fig. 10;

fig. 12 shows a first side view of a fastener attachment assembly according to an embodiment of the present invention;

fig. 13 is a side view of a fastener fixing tool according to an embodiment of the present invention;

fig. 14 shows a second side view of a fastener mounting assembly according to an embodiment of the present invention.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a building wall 1, include: a first wall panel 10 and a second wall panel 20. Optionally, the first wall panel 10 and the second wall panel 20 are formed of concrete or other cement-based material without a rebar structure therein. Second wallboard 20 is connected with first wallboard 10 through a plurality of first drawknot pieces 40 to enclose into first cavity 10a with first wallboard 10, be equipped with wall structure reinforcing bar 30 in the first cavity 10a, wall structure reinforcing bar 30 includes hidden column reinforcing bar 30a and wall body reinforcing bar 30b, and the both sides of wall body reinforcing bar 30b are equipped with hidden column reinforcing bar 30a, form building wall 1's structural function district.

The assembly type disassembly-free formwork component of the building wall body 1 is produced in a factory, the structural steel bars of the building wall body 1 are integrated, manual formwork supporting and formwork disassembling operations in a construction site are omitted, and even manual plastering operations in the later period are omitted. This building wall 1 component is the prefabricated component of cavity structure, and first cavity 10a has integrateed building wall 1's hidden post reinforcing bar 30a and wall body reinforcing bar 30b, does not need artifical at on-the-spot ligature reinforcing bar, has saved a large amount of manual works and material cost.

The first wallboard 10 and the second wallboard 20 are non-dismantling templates of the building wall body 1, after the building wall body 1 is hoisted in place, concrete is poured into the first cavity 10a, the cavity is filled, the first wallboard 10 and the second wallboard 20 are templates in concrete pouring, before the concrete is poured, the opening parts of the cavities at two ends of the building wall body 1 can be sealed by the templates, so that the wall body part and the hidden column part of the building wall body 1 are formed by one-time pouring, and the condition that two construction processes of cast-in-place and prefabrication are staggered does not exist. The poured concrete on both sides of the concrete forms a shear wall bearing the structural stress together with the structural steel bars integrated in the first cavity 10 a. After the concrete reaches the strength, the first wall panel 10 and the second wall panel 20 are used as a plastering layer or a decorative layer of the shear wall body and do not need to be removed. Compare traditional precast concrete side fascia, this cavity building wall 1 dead weight is lighter, and the cost of manufacture is lower, the preparation efficiency is higher. The cost can be effectively reduced, and the assembly type building technology is more favorably popularized.

In some possible embodiments, the building wall 1 of the present application further comprises a third wall panel 50, optionally without a rebar structure in the third wall panel 50, formed of concrete or other cement-based material. The third wallboard 50 is connected with the second wallboard 20 through a plurality of second tie members 41, and encloses into the second cavity with the second wallboard 20, is equipped with heat preservation wallboard 60 in the second cavity, and heat preservation wallboard 60 is connected with second tie members 41, forms the heat preservation functional area of building wall 1.

Therefore, in the building wall 1 of the present application, in the thickness direction (shown in the direction H in fig. 3), the building wall 1 is composed of two functional areas, namely, a structural functional area and a thermal insulation functional area. The building wall 1 is a prefabricated part with a cavity structure, the building wall 1 is provided with a first cavity 10a and a second cavity, and integrates external wall heat preservation and structural steel bars 30 of the building wall 1, the building wall 1 is manufactured in a factory, demoulded and maintained after being hardened, transported to a site for assembly, hoisted in place according to the requirements of a construction drawing, and then concrete is poured into the first cavity 10a to form the building wall. Manual formwork supporting, formwork removing and heat preservation operations on a construction site are omitted, and even later manual plastering operations are omitted.

The heat-insulating wall board 60 is integrated with the second wall board 20 and the third wall board 50 into a prefabricated part through the second pulling piece 41 in a factory, so that manual operation on a construction site is avoided, and the phenomenon that a heat-insulating protective layer is peeled off due to quality problems is avoided.

Moreover, the first tie member 40 and the second tie member 41 are installed in the building wall 1, and do not need to be installed and disassembled manually on the construction site, so that the labor cost can be effectively saved compared with the traditional counter-pulling screw, the construction period is shortened, the building industrialization degree is improved, and the cost can be effectively reduced compared with a fiber reinforced composite (FRP) tie member or a stainless steel tie member in a precast concrete wall, and the popularization of the assembly type building technology is facilitated.

Optionally, the first wall panel 10 and the second wall panel 20 are tensile wall panels to resist lateral pressure generated when concrete is poured in the first cavity 10a, and the materials used include, but are not limited to, cement-based composite materials, metals, and synthetic composite materials.

Optionally, the third wall panel 50 is a decorative layer of the building wall 1 and a protective layer of the thermal insulation wall panel 60, so as to protect the thermal insulation wall panel 60 from external force and environmental damage, and meanwhile, the third wall panel 50 may also be integrated with an exterior decoration of an exterior wall, and the spraying and pasting process of the exterior wall decoration may be completed in a factory.

Alternatively, the thermal insulation wall board 60 may use a board with thermal insulation performance with fire-proof rating of B level or above, the surface of the thermal insulation wall board 60 may be coated or coated according to the requirement, and the position and range of the thermal insulation board are arranged according to the building drawing of the actual project.

Optionally, the first tie member 40 serves to connect the first wall panel 10 and the second wall panel 20 together and to resist side pressure during concrete casting, using a working material having a certain tensile strength, including but not limited to metal or synthetic composite material.

Optionally, the second tie member 41 is used to connect the thermal insulation wall panel 60, the second wall panel 20 and the third wall panel 50 together, so that the third wall panel 50 with the thermal insulation layer protection function cannot fall off, in order to reliably connect the second tie member 41 with the wall structure part, the second tie member 41 passes through the second wall panel 20 and the thermal insulation wall panel 60, one end of the second tie member is located in the third wall panel 50, and the other end of the second tie member is located in the first cavity 10a, concrete can be poured in the first cavity 10a, after the concrete is hardened, the second tie member 41 can be reliably fixed in the wall panel of the building wall 1, and is not easy to fall off, so that the structural functional area and the thermal insulation functional area are connected into a whole through the first tie member 40 and the second tie member 41, and the overall strength of the building wall 1 is improved. Alternatively, the second pulling member 41 may be made of a material having a low heat transfer system, such as stainless steel.

Optionally, referring to fig. 3 and 4, the thermal insulation wall panel 60 is attached to the second wall panel 20 and spaced apart from the third wall panel 50 to form a third cavity 50 b. The third cavity 50b is a waterproof layer of the building wall 1, and once rainwater permeates into the third wall board 50 through the abutted seams or cracks, water can slide down along the inner wall of the third wall board 50 or be attached to the inner wall of the third wall board 50 to be evaporated, and cannot permeate into the interior, so that the waterproof effect is good. Therefore, the building wall body 1 integrates heat preservation and waterproof functions on the prefabricated parts, heat preservation and waterproof process operation on the wall board in the later period of labor is not needed, labor cost is reduced, and construction period is shortened.

Referring to fig. 1, 4 and 5, in the depth direction of the building wall 1 (shown in the Z direction in fig. 1 and 4), a plurality of layers of first tie members 40 are arranged between the first wall panel 10 and the second wall panel 20, and each layer has a plurality of first tie members 40 arranged at intervals (the Y direction in fig. 5 shows the interval direction); a plurality of layers of second pulling members 41 are arranged between the second wall panel 20 and the third wall panel 50, and each layer is provided with a plurality of second pulling members 41 arranged at intervals. Referring to fig. 5, taking the first fastener 40 as an example, along the extending direction (shown in the X direction in fig. 5) of the first fastener 40, one end of each first fastener 40 is in concave-convex fit with the first wall panel 10, and the other end is in concave-convex fit with the second wall panel 20.

Alternatively, the ends of first tie 40 are anchored into first wall panel 10 and second wall panel 20, respectively, and first wall panel 10 and second wall panel 20 are formed of concrete or other cementitious material, i.e., the ends of first tie 40 are anchored into concrete or other cementitious material, respectively. Since both ends of the first pulling-knot member 40 are respectively in concave-convex fit with the first wall panel 10 and the second wall panel 20, the arrangement can improve the holding force of the first pulling-knot member 40 in the first wall panel 10 and the second wall panel 20, thereby improving the side pressure of the first wall panel 10 and the second wall panel 20 in the concrete pouring process. Alternatively, both end shapes of the first pulling piece 40 are processed into a concavo-convex shape.

In some possible embodiments, one end of each second pulling element 41 is concave-convex matched with the third wall plate 50, and the other end is concave-convex matched with the building material poured in the second wall plate 20 or the first cavity 10 a. That is, both ends of the second tie member 41 are respectively in concave-convex fit with the third wall panel 50 and the second wall panel 20, so that the grip of the second tie member 41 in the third wall panel 50 and the second wall panel 20 can be improved. Or, both ends of the second tie member 41 are respectively in concave-convex fit with the third wall panel 50 and the building material poured in the first cavity 10a, so that the bond strength of the second tie member 41 in the building material poured in the third wall panel 50 and the first cavity 10a can be improved.

Alternatively, referring to fig. 6 and 7, the first pulling member 40 includes a first body portion 43 extending along the first direction (indicated by X direction in fig. 6 and 7), and optionally, the first body portion 43 has an elongated shape, and a length direction dimension of the first body portion 43 is greater than a width direction dimension (indicated by M direction in fig. 6); in a second direction (indicated by Y direction in fig. 7) perpendicular to the first direction, the first body portion 43 has a front surface 46 and a rear surface 47; at least one first convex part 441 is arranged on the front surface 46 and the back surface 47 of the first body part 43 at one end 44 of the first body part 43, that is, the one end 44 of the first body part 43 is processed into a concave-convex shape, two first convex parts 441 are shown in fig. 7, but the number of the first convex parts 441 is not limited to this, and is selected according to the actual engineering requirements; at the other end 45 of the first body portion 43, the front surface 46 and the back surface 47 of the first body portion 43 are provided with at least one second protrusion 451, that is, the other end 45 of the first body portion 43 is processed into a concave-convex shape, and two second protrusions 451 are shown in fig. 7, but the number of the second protrusions 451 is not limited thereto, and is selected accordingly according to the actual engineering requirements.

In some possible embodiments, at one end of the first body portion 43, the front surface 46 and the back surface 47 of the first body portion 43 are each provided with at least two first protrusions 441, and the adjacent first protrusions 441 on the front surface 46 of the first body portion 43 are different in thickness and the adjacent first protrusions 441 on the back surface 47 of the first body portion 43 are different in thickness along the second direction; at the other end of the first body portion 43, the front surface 46 and the back surface 47 of the first body portion 43 are provided with at least two second protrusions 451, and the thicknesses of the adjacent second protrusions 451 of the front surface 46 of the first body portion 43 and the thicknesses of the adjacent second protrusions 451 of the back surface 47 of the first body portion 43 are different in the second direction. By means of the arrangement, two ends of the first pulling piece 40 can be better matched with the first wall plate 10 and the second wall plate 20 in a concave-convex mode, the holding force of the first pulling piece 40 in the first wall plate 10 and the second wall plate 20 can be improved, and therefore the side pressure of the first wall plate 10 and the second wall plate 20 in the concrete pouring process is jointly resisted.

In some possible embodiments, the front surface 46 or the back surface 47 of one end of the first body portion 43 is provided with at least one first protrusion 441, and the front surface 46 or the back surface 47 of the other end of the first body portion 43 is provided with at least one second protrusion 451.

Alternatively, referring to fig. 6 and 7, the first body portion 43 is flat, and the thickness of the first body portion 43 along the second direction is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, and the like. The first body portion 43 is formed with an inner concave surface 48 at a central region thereof in a direction from the front surface 46 to the rear surface 47 of the first body portion 43 (direction C in fig. 7), the inner concave surface 48 protruding beyond the rear surface 47 of the first body portion 43. The middle area of the first body part 43 can be processed into an inward concave shape by adopting but not limited to a stamping process, so that the strength of the first body part 43 in the weak axis direction (shown in the Y direction in fig. 7) can be effectively increased, the first pulling piece 40 is not easy to deform in the weak axis direction under the action of external force, the effect of enhancing the out-of-plane rigidity of the first pulling piece 40 is achieved, and the strength of the first wall board 10 and the second wall board 20 which are connected together through the first pulling piece 40 is further improved.

In some possible embodiments, the thickness of the concave surface 48 protruding the back surface 47 of the first body portion 43 is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, and the like. This is advantageous in that the strength in the weak axis direction of the first body portion 43 is increased with a reduced thickness of the first body portion 43.

In some possible embodiments, the middle region of the first body portion 43 is formed with an inner concave surface 48 in a direction from the back surface 47 to the front surface 46 of the first body portion 43, the inner concave surface 48 protruding the front surface 46 of the first body portion 43. That is, the form of the machined concave surface 48 is the reverse of the above-described embodiment.

Referring to fig. 5, each of the first pulling members 40 is perpendicularly connected to the first wall panel 10 and the second wall panel 20, respectively, in a first direction (indicated by X direction in fig. 5); in the second direction (shown in the Y direction in fig. 5), the first body portions 43 of the adjacent first pulling members 40 are arranged in parallel and face to face. That is, the depth direction of the building wall 1 is parallel to the first body portion 43 and perpendicular to the weak axis direction of the first body portion 43, and the first tie member 40 is disposed in this way, so that the first tie member 40 is prevented from being deformed in the process of transporting the building wall 1 to the site for assembly.

If the first pulling element 40 is connected perpendicularly to the first wall panel 10 and the second wall panel 20 in such a way that: the depth direction of the building wall 1 is perpendicular to the first body part 43 and parallel to the weak axis direction of the first body part 43, so that the first tie member 40 is easily deformed during the transportation of the building wall 1 to the site for assembly, and the connection strength between the first wall panel 10 and the second wall panel 20 is reduced.

Alternatively, referring to fig. 6, the bottom of the concave inner surface 48 is provided with at least two through holes 49. The at least two through holes 49 serve a positioning function, so that when the first pulling member 40 is installed in the first wall panel 10 and the second wall panel 20, the first pulling member 40 and the first wall panel 10 and the second wall panel 20 at both ends thereof are maintained in a relatively vertical state by corresponding tooling (described in detail later), and the accurate depth of the first pulling member 40 inserted into the first wall panel 10 and the second wall panel 20 is ensured. Because the two points define a straight line, the two holes can help the first fastener 40 to maintain a relatively perpendicular position with respect to the wall panels at the two ends, so as to achieve accurate positioning of the first fastener 40.

Alternatively, the structure of the second fastener member 41 is the same as that of the first fastener member 40, and reference may be made to the description of the first fastener member 40 in conjunction with fig. 6 and 7. The second pulling element 41 comprises a second body portion extending in the first direction, optionally the second body portion is elongated; the second body part has a front surface and a back surface along a second direction perpendicular to the first direction; at least one first convex part is arranged on one end of the second body part, the front surface and the back surface of the second body part, namely, one end of the second body part is processed into a concave-convex shape, and corresponding selection is made according to actual engineering requirements; at least one second convex part is arranged on the other end of the second body part, namely the front surface and the back surface of the second body part, namely the other end of the second body part is processed into a concave-convex shape, but the number of the second convex parts is not limited to the above, and the second convex parts are selected according to the actual engineering requirements.

In some possible embodiments, the front or back surface of one end of the second body part is provided with at least one first protrusion, and the front or back surface of the other end of the second body part is provided with at least one second protrusion.

Optionally, the second body portion is flat, and the thickness of the second body portion along the second direction is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, and the like. The middle region of the second body portion is formed with an inner concave surface protruding the back surface of the second body portion in a direction from the front surface to the back surface of the second body portion. The middle area of the second body part can be processed into an inward concave shape by adopting but not limited to a stamping process, the strength of the second body part in the weak axis direction can be effectively increased, the second pulling part is not easy to deform in the weak axis direction under the action of external force, the effect of enhancing the plane external rigidity of the second pulling part is achieved, and then the strength of the third wallboard 50 and the second wallboard 20 which are connected together through the second pulling part 41 is improved.

In some possible embodiments, the thickness of the rear face 47 of the concave face protruding out of the second body portion is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, etc.

In some possible embodiments, the middle region of the second body part is formed with an inner concave surface protruding from the front surface of the second body part in a direction from the rear surface to the front surface of the second body part. That is, the form of the machined concave surface is opposite to that of the above-described embodiment.

In the first direction, each second tie member 41 is vertically connected to the third wall plate 50 and the second wall plate 20; in the second direction, the second body portions of the adjacent second pulling elements 41 are arranged in parallel and face to face. That is, the depth direction of the building wall 1 is parallel to the second body part and perpendicular to the weak axis direction of the second body part, and the second tie member 41 is arranged in this way, so that the second tie member 41 is prevented from being deformed in the process of transporting the building wall 1 to the site for assembly.

If the second pulling element 41 is connected perpendicularly to the third wall panel 50 and the second wall panel 20 in such a way that: the depth direction of the building wall 1 is perpendicular to the second body part and parallel to the weak axis direction of the second body part, so that the second tie member 41 is easy to deform in the process of transporting the building wall 1 to the site for assembly, and the connection strength between the third wall plate 50 and the second wall plate 20 is reduced.

Optionally, the bottom of the concave surface is provided with at least two through holes. The at least two through holes serve as a positioning function, when the second tie member 41 is installed in the third wall panel 50 and the second wall panel 20, the second tie member 41 is maintained in a relatively vertical state with respect to the third wall panel 50 and the second wall panel 20 at both ends thereof by corresponding tooling (described in detail later), and the accurate depth of the second tie member 41 inserted into the third wall panel 50 and the second wall panel 20 is ensured. Because the two points define a straight line, the two holes can help the second tie member 41 to maintain a relatively perpendicular state with respect to the wall panels at the two ends, so as to achieve accurate positioning of the second tie member 41.

Alternatively, with continued reference to fig. 1-3, first wall panel 10 is parallel to second wall panel 20, and a plurality of first tie members 40 between first wall panel 10 and second wall panel 20 are arranged in parallel and equally spaced relation; third wall panel 50 is parallel to second wall panel 20, and a plurality of second drawbars 41 between third wall panel 50 and second wall panel 20 are parallel and equally spaced apart.

Alternatively, the interval between the adjacent first pulling members 40 is smaller than the interval between the adjacent second pulling members 41. After the arrangement, the number of the second tie members 41 between the second wall panel 20 and the third wall panel 50 can be reduced on the premise that the connection strength between the first wall panel 10 and the second wall panel 20 is ensured. In some possible embodiments, when one end of the second pulling member 41 is located in the first cavity 10a, the interval between the adjacent second pulling members 41 may be further increased to reduce the number of the second pulling members 41.

Optionally, one of the first sub-portions 11a connected to the second portion 12 of the first wall panel 10, one of the second sub-portions 21a connected to the second portion 22 of the second wall panel 20 and the second portion 22 of the second wall panel 20 enclose a corner cavity (similar to an "L-shaped" cavity), and the remaining first sub-portions 11a of the first wall panel 10 and the remaining second sub-portions 21a of the second wall panel enclose a straight cavity. I.e. the first sub-portion 11a of the first wall panel 10 is parallel to the second sub-portion 21a of the second wall panel 20, the second portion 12 of the first wall panel 10 is perpendicular to the first sub-portion 11a, and the second portion 22 of the second wall panel 20 is perpendicular to the second sub-portion 21 a.

Optionally, the wall structure rebar 30 includes: the first straight-section hidden column steel bar framework 31, the straight-section wall body steel bar framework 32 and the second hidden column steel bar framework 34 are connected; straight section wall body framework of steel reinforcement 32 is located between first straight section hidden post framework of steel reinforcement 31 and the second hidden post framework of steel reinforcement 34, is equipped with hidden post reinforcing bar 30a in first straight section hidden post framework of steel reinforcement 31 and second hidden post framework of steel reinforcement 34 department, is equipped with wall body reinforcing bar 30b in straight section wall body framework of steel reinforcement 32 department.

Optionally, the hidden-column reinforcing bars 30a in the first cavity 10a can move in the depth direction relative to the building wall 1, so that the hidden-column reinforcing bars 30a have a certain moving space, and if the hidden-column reinforcing bars 30a collide during hoisting, the collided hidden-column reinforcing bars 30a can be corrected easily.

Referring to fig. 8 and 9, each of the front surface 46 and/or the back surface 47 of the first body portion 43 is provided with at least one collar 431, the collar 431 is perpendicular to the first body portion 43, and the stud reinforcing bars 30a are sleeved in the collar 431 along the depth direction and can move relative to the collar 431 along the depth direction. That is, the collar 431 plays a role in positioning the hidden-column reinforcing bar 30a, preventing the hidden-column reinforcing bar 30a from falling down to affect the pouring quality, and simultaneously, does not affect the movement of the hidden-column reinforcing bar 30a in the depth direction. The first tie member 40 can also replace a tie bar or a single-limb hoop of the frame column wall body 1 to limit the deformation of the hidden column reinforcing steel bar 30 a.

In the present embodiment, two collars 431 are provided on the back surface 47 of the first body portion 43, and the number of collars 431 is not limited thereto. The collar 431 may be provided on the front surface 46 of the first body portion 43. The location and number of the collars 431 are matched with the arrangement form of the hidden column reinforcing steel bars.

Optionally, the hidden column reinforcement 30a in the collar 431 can move in the horizontal direction for a set distance, the set distance is not limited, and is selected accordingly according to the construction requirement, for example, 1mm, 2mm, 3mm, and the like. Therefore, the hidden column reinforcing steel bars 30a have certain moving space in the depth direction and the horizontal direction, so that the collision inspection and correction of the hidden column reinforcing steel bars 30a are facilitated.

In addition, in order to keep the first tie member 40 and the wall boards at the two ends thereof in a relatively vertical state, referring to fig. 10 to 14, the present application also provides a tie member fixing tool 7, including: a mounting portion 70 extending in a longitudinal direction (shown in a direction E in fig. 10 to 12), the mounting portion 70 having a mounting surface 71 for fitting with the first fastener 40, the specific shape of the mounting surface 71 is not limited, and may be a plane surface that can be fitted with the first fastener 40, or alternatively, the mounting surface 71 is a plane surface that is fitted with the first body portion 43 of the first fastener 40; the specific shape of the mounting portion 70 is not limited, and may be a mounting surface 71 that can be attached to the first tie member 40, and alternatively, the mounting portion 70 may be a rectangular tube, and in some possible embodiments, the mounting portion 70 may be a polygonal tube, a circular tube, or the like.

A plurality of sets of first positioning portions 72 are arranged on the mounting surface 71 at intervals along the length direction, each set of first positioning portions 72 includes at least two protrusions 721 arranged at intervals along the width direction (shown in the direction F in fig. 12 to 13), all the protrusions 721 are on the same straight line, an included angle between a connecting line of all the protrusions 721 and the length direction is a set angle, and each protrusion 721 is used for passing through the through hole 49 on the tie member when the first tie member 40 is attached to the mounting surface 71 along the width direction. That is, one set of the first positioning portions 72 corresponds to one first pulling member 40 for positioning the first pulling member 40.

The fastener fixing tool 7 further comprises a second positioning portion 73, the second positioning portion 73 comprises a clamping strip 732 and at least two clamping portions 731, the at least two clamping portions 731 are arranged on the mounting surface 71 at intervals along the length direction, the clamping strip 732 is used for respectively abutting against the first fastener 40 and the clamping portions 731 along the thickness direction (shown in a direction G in fig. 10, 13 and 14) after the through hole 49 of the first fastener 40 is sleeved on the projection 721 and attached to the mounting surface 71, and the movement of the first fastener 40 in the thickness direction is limited so as to mount the first fastener 40 on the fixing tool 7; wherein the thickness direction, the length direction and the width direction are mutually perpendicular.

In other words, all the first pulling members 40 to be mounted are attached to the mounting surface 71 along the width direction, the extending direction (the first direction) of the first pulling members 40 is consistent with the width direction, after the through holes 49 of all the first pulling members 40 are respectively sleeved on the corresponding protrusions 721, the clamping strips 732 are placed in the clamping portions 731, so that the clamping strips 732, the first pulling-connecting piece 40 and the clamping parts 731 are butted in the thickness direction, the number of the clamping strips 732 can be a plurality, the number of the catching strips 732 is selected according to the gap between the catching portion 731 and the first pulling member 40 in the thickness direction, so as to press the first pulling member 40, therefore, the movement of the first pulling member 40 in the thickness direction is restricted, the first pulling member 40 does not come off the projection 721, the first pulling member 40 is mounted on the fixing tool 7, and all the first pulling members 40 are perpendicular to the length direction of the mounting portion 70.

Then, when the first tie members 40 are vertically connected to the wall panels at two ends thereof, as long as it is ensured that the fixing tool 7 extends along the depth direction of the building wall 1, that is, the length direction of the fixing tool 7 is consistent with the depth direction of the building wall 1, all the first tie members 40 on the fixing tool 7 may be perpendicular to the depth direction of the building wall 1, and accordingly, all the first tie members 40 are perpendicular to the first wall panel 10 and the second wall panel 20 extending along the depth direction.

Therefore, use fixed frock 7 of this application can guarantee that first drawknot piece 40 keeps relative vertical state with the wallboard at its both ends for drawknot power between the wallboard at first drawknot piece 40 and its both ends obtains guaranteeing, like this under the effect of first drawknot piece 40, the wallboard at its both ends is drawn together, can resist the lateral pressure that produces when pouring the concrete in the cavity.

Alternatively, the set angle between the line of all the protrusions 721 and the length direction is 90 °, that is, the line of all the protrusions 721 extends in the width direction, and the line of the plurality of through holes 49 on the first tie member 40 also extends in the width direction. The specific values of the angles set between the connection lines of all the bumps 721 and the length direction are not limited, and the following conditions are satisfied: the included angle between the connecting line of all the through holes 49 on the first pulling member 40 and the first direction is consistent with the set angle, the first pulling member 40 is attached to the mounting surface 71 along the width direction, and the through holes 49 on the first pulling member 40 are sleeved on the corresponding protrusions 721. For example, the set angle between the connection line of all the protrusions 721 and the length direction is 10 °, the included angle between the connection line of all the through holes 49 on the first pulling member 40 and the first direction is also 10 °, the first pulling member 40 is attached to the mounting surface 71 along the width direction, and the through holes 49 on the first pulling member 40 are sleeved on the corresponding protrusions 721.

Optionally, the multiple groups of first positioning portions 72 are disposed on the mounting surface 71 at equal intervals along the length direction, so that all the first pulling members 40 are also disposed on the mounting surface 71 at equal intervals along the length direction, which is beneficial to evenly distributing the pulling force of the first pulling members 40 and the wall boards at two ends thereof on the building wall 1.

Alternatively, at least two clamping parts 731 are arranged at intervals along the length direction and are positioned on the same straight line. Alternatively, the connecting lines of all the catching portions 731 extend in the longitudinal direction. Accordingly, the clip strip 732 also extends in the length direction. In some possible embodiments, all the clamping portions 731 may not be located on the same straight line, and the first pulling member 40 may be pressed against the mounting surface 71 by the clamping strip 732.

Optionally, referring to fig. 11, each of the clamping portions 731 and the mounting surface 71 form a notch 733, for clamping the clamping strip 732 into the notch 733. After all the first pulling members 40 are sleeved on the convex blocks 721 of the mounting surface 71, the clamping strips 732 are inserted into the notches 733 between the clamping portions 731 and the mounting surface 71, so that the first pulling members 40 are conveniently mounted on the fixing tool 7. Meanwhile, after all the first tie members 40 are vertically connected with the wall plates at the two ends of the first tie members, the clamping strip 732 is removed from the notch 733, so that the convex block 721 of the mounting part 70 can be conveniently separated from the through hole 49 of the first tie member 40, and the fixing tool 7 can be conveniently removed from the first tie member 40.

Optionally, the opening direction of each notch 733 is the same. This also facilitates insertion of the clip strip 732 into the notch 733 between the clip portion 731 and the mounting surface 71.

Alternatively, referring to fig. 13, each of the catching portions 731 is Z-shaped. Each of the clamping parts 731 includes a first portion 7311, a second portion 7312, and a third portion 7313 connected in sequence; the first portion 7311 is attached to the mounting surface 71 and fixed to the mounting surface 71 by bolts, the second portion 7312 is perpendicular to the mounting surface 71, and the third portion 7313 is parallel to the mounting surface 71 and spaced apart in the thickness direction to form the notch 733. When the first fastener 40 is fixed, the locking strip 732 is inserted into the notch 733 and then abuts against the first fastener 40 and the third portion 7313, respectively, to press the first fastener 40.

It will be understood by those skilled in the art that the shape of the catching portion 731 is not limited thereto, and the catching bar 732 can be inserted between the catching portion 731 and the first pulling member 40 to press the first pulling member 40.

With reference to fig. 12 and 14, the present application also provides a fastener attachment assembly 8 comprising: the fastener fixing tool 7 of any one of the embodiments described above; each of the first pulling members 40 of the above embodiments includes a first body portion 43, the first body portion 43 extends along a first direction, at least two through holes 49 are formed in the first body portion 43 and spaced along the first direction, the through holes 49 of the pulling members are sleeved on the protrusions 721, the first body portion 43 is attached to the mounting surface 71 along a width direction, and the first direction and the width direction are consistent; the engaging strips 732 abut against the first body portion 43 and the engaging portion 731 in the thickness direction, respectively, and the movement of the fastener in the thickness direction is restricted.

The application still provides a building wall 1, including the fixed assembly 8 of the drawknot piece of any above-mentioned embodiment, the length direction of installation department 70 is unanimous with building wall 1's depth direction, and the unsmooth cooperation of one end and first wallboard 10 of each first drawknot piece 40, the unsmooth cooperation of the other end and second wallboard 20.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A building wall, comprising:

a first wall panel;

the second wallboard is connected with the first wallboard through a plurality of first pulling parts and encloses into a first cavity with the first wallboard, be equipped with the wall structure reinforcing bar in the first cavity, the wall structure reinforcing bar includes hidden column reinforcing bar and wall body reinforcing bar.

2. The building wall of claim 1, further comprising: and the third wallboard is connected with the second wallboard through a plurality of second pulling pieces and forms a second cavity with the second wallboard, a heat-insulating wallboard is arranged in the second cavity, and the heat-insulating wallboard is connected with the second pulling pieces.

3. The building wall of claim 2, wherein the insulating wall panel is attached to the second wall panel and spaced apart from the third wall panel to form a third cavity.

4. The building wall of claim 3, wherein the second tie passes through the second wall panel and the insulating wall panel with one end positioned within the third wall panel and the other end positioned within the first cavity.

5. The building wall of claim 1 wherein each of said first tie members has one end that is concavo-convex engaged with said first wall panel and another end that is concavo-convex engaged with said second wall panel.

6. The building wall of claim 2, wherein each of the second tie members has one end that is in concave-convex engagement with the third wall panel and another end that is in concave-convex engagement with the second wall panel or the building material poured in the first cavity.

7. The building wall of claim 5, wherein the first tie member includes a first body portion extending in a first direction, the first body portion having a front face and a back face in a second direction perpendicular to the first direction;

8. The building wall of claim 7, wherein the first body portion has a central region formed with an inner concave surface in a direction from the front surface to the back surface of the first body portion, the inner concave surface protruding beyond the back surface of the first body portion; or, in the direction from the back surface to the front surface of the first body part, the middle region of the first body part is formed with an inner concave surface which protrudes out of the front surface of the first body part.

9. The building wall of claim 8, wherein the bottom of the concave surface is provided with at least two through holes.

10. The building wall of claim 7, wherein the first body portion is substantially flat.

11. The building wall of claim 7, wherein each of said first tie members is perpendicularly connected to said first wall panel and said second wall panel, respectively, in said first direction; along the second direction, the first body parts of the adjacent first pulling pieces are arranged in parallel and face to face.

12. The building wall of claim 6, wherein the second tie member includes a second body portion extending in a first direction, the second body portion having a front face and a back face in a second direction perpendicular to the first direction;

13. The building wall of claim 12, wherein a central region of the second body portion is formed with an inner concave surface protruding beyond a rear surface of the second body portion in a direction from the front surface to the rear surface of the second body portion; or, in the direction from the back surface to the front surface of the second body part, the middle region of the second body part is formed with an inner concave surface which protrudes out of the front surface of the second body part.

14. The building wall of claim 13, wherein the bottom of the concave surface is provided with at least two through holes.

15. The building wall of claim 12, wherein the second body portion is substantially flat.

16. The building wall of claim 12, wherein each of said second tie members is perpendicularly connected to said third wall panel and said second wall panel, respectively, in said first direction; along the second direction, the second body parts of the adjacent second pulling pieces are arranged in parallel and face to face.

17. The building wall of claim 2,

the first wall plate is parallel to the second wall plate, and a plurality of first pulling pieces between the first wall plate and the second wall plate are arranged in parallel and at equal intervals;

the third wallboard is parallel to the second wallboard, third wallboard with a plurality of between the second wallboard the second drawknot piece is parallel and equidistant setting.

18. The building wall of claim 17 wherein the spacing between adjacent first tie members is less than the spacing between adjacent second tie members.

19. The building wall according to claim 7, wherein the front and/or back of the first body is provided with at least one collar perpendicular to the first body, and the stud reinforcement is sleeved in the collar along a depth direction of the building wall and can move relative to the collar along the depth direction.

20. The building wall of claim 19, wherein the embedded steel bars in the collar are capable of moving a set distance in a horizontal direction.