CN210067051U - Point claw type connecting piece for composite heat insulation wall - Google Patents
Point claw type connecting piece for composite heat insulation wall Download PDFInfo
- Publication number
- CN210067051U CN210067051U CN201920598006.1U CN201920598006U CN210067051U CN 210067051 U CN210067051 U CN 210067051U CN 201920598006 U CN201920598006 U CN 201920598006U CN 210067051 U CN210067051 U CN 210067051U
- Authority
- CN
- China
- Prior art keywords
- claw
- bolt
- central rod
- connecting piece
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a some claw formula connecting piece for composite insulation wall, wherein, some claw formula connecting piece includes claw dish, central rod, bolt and chuck, the lower extreme and the claw dish of central rod can be dismantled and be connected, and the distribution all around of claw dish extends and has the linking arm, and the tip of linking arm is provided with the end disc, wears to be equipped with the bolt on the end disc, the threaded rod of bolt is gone up the screw thread cover and is equipped with two at least chucks. The utility model discloses can be effectively fixed with the reinforcing bar, applicable in the multiple cloth muscle condition, shear strength is high, heat transfer coefficient is little, corrosion-resistant, the construction of being convenient for, and fixed effectual. The problems that the number of used connecting pieces is large, the performance of a single connecting piece is poor, a cold bridge and a hot bridge are serious, the installation is complex, the fixing is not firm, and the connecting pieces are easy to incline and deviate in the concrete vibrating and pouring process are solved, and the connecting performance between the inner precast concrete composite thermal insulation wall body and the outer leaf concrete slabs is enhanced.
Description
Technical Field
The utility model relates to a civil engineering technical field specifically is a some claw formula connecting piece for composite heat preservation wall body, the connection of the internal, outer leaf wall body of mainly used precast concrete composite heat preservation wall body.
Background
Energy conservation is a basic national policy in China. The assembly type building is produced, along with the rapid development and popularization of the assembly type building, the improvement of the energy conservation of the building is more and more emphasized, and the heat preservation of the wall body is the most important part in the energy conservation of the assembly type building. The prefabricated concrete composite heat-insulating wall body is a novel prefabricated heat-insulating wall body integrating bearing and heat insulation, and the wall body is composed of an inner leaf concrete wallboard, an outer leaf concrete wallboard, a middle heat-insulating layer, connecting pieces and the like, and is an important component of an assembly type building.
The prefabricated concrete sandwich heat-insulating wall body is a novel prefabricated heat-insulating wall body integrating bearing and heat insulation, and is composed of inner leaf concrete wall boards, outer leaf concrete wall boards, an intermediate heat-insulating layer, connecting pieces and the like. The connecting piece is a key component for connecting the inner and outer leaf concrete wallboards of the precast concrete sandwich heat-insulating wall body and the middle heat-insulating layer, and mainly has the function of resisting the interlaminar shearing action between the two concrete wallboards. The existing connecting piece products mainly comprise two types of metal connecting pieces and non-metal connecting pieces, and the two types of connecting pieces have the respective characteristics of large heat conductivity coefficient of the metal connecting pieces, high density of the connecting pieces, more structural heat bridges and high cost; the nonmetal connecting piece has small heat loss, but the application verification of the connecting performance in China is less, and the shearing strength is low.
The FRP connecting piece is most widely applied to the market at present, and the connecting piece has the advantages of high tensile strength, strong corrosion resistance, small heat transfer coefficient and the like, but the anchoring force of the traditional connecting piece mainly comes from the mechanical interlocking effect between the notch of the connecting piece and concrete, the shearing strength of a single connecting piece is relatively low, the anchoring is not firm, the using amount is large, the single connecting piece cannot be fixed during installation and construction, the insertion depth is not easy to control, and the situation of shallow or deep occurs, so that the FRP connecting piece cannot adapt to different bar arrangement situations. In the concrete pouring and vibrating process, the connecting piece is easy to deviate and incline, so that the stress condition of the connecting piece cannot reach the expected shear strength, the strength of the wall structure is directly influenced, and certain safe use risk is realized. Therefore, the development of connecting piece products with high cost performance, practicability, safety, anchoring and stability is urgently needed, and the requirements of continuously improved wall safety and thermal performance are met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a some claw formula connecting piece for composite insulation wall and construction installation method thereof, can be effectively fixed with the reinforcing bar, applicable in the multiple cloth muscle condition, shear strength is high, heat transfer coefficient is little, corrosion-resistant, the construction of being convenient for, and fixed effectual. The problems that the number of used connecting pieces is large, the performance of a single connecting piece is poor, a cold bridge and a hot bridge are serious, the installation is complex, the fixing is not firm, and the connecting pieces are easy to incline and deviate in the concrete vibrating and pouring process are solved, the shear strength between the inner leaf concrete wallboard and the outer leaf concrete wallboard of the composite heat-insulation wall body is enhanced, and the problems in the background art are solved.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a some claw formula connecting piece for composite insulation wall, includes claw dish, center bar, bolt and chuck, the lower extreme and the claw dish of center bar can be dismantled and be connected, and the claw dish distributes all around and extends there is the linking arm, and the tip of linking arm is provided with the end disc, wears to be equipped with the bolt on the end disc, the threaded rod of bolt goes up the screw thread cover and is equipped with two at least chucks.
As a further aspect of the present invention: the lower end of the central rod is connected with a threaded hole formed in the claw disc in a matched mode through threads.
As a further aspect of the present invention: the central rod is made of a steel rod, and the claw disc, the connecting arm and the end disc are integrally formed by carbon steel.
As a further aspect of the present invention: the upper end of the central rod is coated with a fiber resin outer coating, and the horizontal section of the upper end of the fiber resin outer coating is larger than that of the lower end of the fiber resin outer coating.
As a further aspect of the present invention: the outer surface of the upper end of the central rod is a rough surface, and the outer surface of the lower end of the central rod is provided with threads.
As a further aspect of the present invention: the bolt is connected with a disc hole formed in the end disc in a matched mode through threads, and the end cap of the bolt is located above the end disc.
A point claw type connecting piece construction and installation method for a composite heat insulation wall body specifically comprises the following steps:
s1, firstly, penetrating a bolt in the end disc, and then sleeving at least two chucks on the bolt;
s2, when the wall is constructed, firstly, reinforcing steel bars longitudinally and transversely arranged in the concrete outer blade plate are laid in the template, each end disc is respectively aligned with the corresponding reinforcing steel bar, the chucks on the bolts are rotated and screwed, and the corresponding reinforcing steel bars are clamped by the two chucks which are vertically distributed;
s3, pouring outer leaf plate concrete to form an outer leaf concrete layer of a lower layer, wherein the height of the upper end face of the outer leaf concrete layer of the lower layer is flush with that of the upper end face of the claw disc, aligning holes reserved in the heat insulation layer with the claw disc, laying the heat insulation layer reserved with the holes, and enabling the lower end of the central rod to penetrate through the holes of the heat insulation layer and be fixedly screwed with the claw disc in a rotating mode;
s4, paving reinforcing steel bars longitudinally and transversely arranged in the concrete inner blade plate on the upper end face of the heat preservation layer, then pouring the concrete of the inner blade plate to the specified thickness of the concrete inner blade plate to form an upper inner blade concrete layer, and after solidification, removing the formwork and maintaining.
As a further aspect of the present invention: when the point claw type connecting piece is manufactured, fiber resin is wrapped on the central rod through an integrated pultrusion process, and then cutting is carried out to form a fiber resin outer wrapping layer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the point claw type connecting piece has firm and reliable installation process and strong anchoring performance;
(2) rotatable claw dish guarantees the effective fixed of some claw formula connecting piece and the reinforcing bar of different intervals, adapts to the multiple cloth muscle condition, with reinforcing bar snap-on, prevents that concrete vibration from pouring in-process connecting piece from rocking the slope.
(3) The large-diameter central rod can be adopted, the shearing resistance effect is far greater than that of a heat-insulation connecting piece consisting of single FRP, and the using number of the connecting pieces is greatly reduced.
(4) Under the condition that the stability of the wallboard is not influenced, the number of the connecting pieces can be greatly reduced, and cold and hot bridges are reduced.
Drawings
Fig. 1 is a schematic perspective view of a point claw type connecting member of the present invention;
FIG. 2 is a schematic cross-sectional view of the point claw type connection member of the present invention embedded in a wall;
fig. 3 is a schematic view of the connection between the point claw type connecting member and the reinforcing mesh with a larger space;
fig. 4 is a schematic view of the connection between the point claw type connecting member and the reinforcing mesh with a small space.
In the figure: 1-claw disc, 11-connecting arm, 2-center bar, 3-fiber resin outer coating, 4-end disc, 5-bolt, 6-chuck, 7-insulating layer, 8-outer leaf concrete layer, 9-reinforcing steel bar and 10-inner leaf concrete layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a some claw formula connecting piece for composite insulation wall, includes claw dish 1, central rod 2, bolt 5 and chuck 6, the lower extreme and the claw dish 1 of central rod 2 can be dismantled and be connected, and the distribution of claw dish 1 is all around extended there is linking arm 11, and the tip of linking arm 11 is provided with end plate 4, wears to be equipped with bolt 5 on the end plate 4, the threaded rod of bolt 5 goes up the screw thread cover and is equipped with two at least chucks 6. Claw dish 1 can be through rotatory adjustment position, guarantees reinforcing bar net or pre-buried muscle in the chuck 6 effective fixed outer leaf concrete, makes the utility model discloses a point claw formula connecting piece prevents in the construction that the connecting piece produces and rocks the slope on effectively being fixed in the reinforcing bar.
The lower end of the central rod 2 is connected with a threaded hole formed in the claw disc 1 in a matched mode through threads; the central rod 2 is made of a steel rod, and the claw disc 1, the connecting arm 11 and the end disc 4 are made of carbon steel in an integrated forming mode.
The outer surface of the upper end of the central rod 2 is coated with a fiber resin outer coating 3, the fiber resin can effectively isolate the cold and hot bridge effect, the horizontal cross section of the upper end of the fiber resin outer coating 3 is larger than the horizontal cross section of the lower end of the fiber resin outer coating 3, and the heat conduction between the inner leaf concrete wall board and the outer leaf concrete wall board is isolated.
The outer surface of the upper end of the central rod 2 is a rough surface, so that the bonding force between the central rod and the fiber resin outer cladding layer 3 is increased, and the connecting piece is prevented from sliding relative to the steel rod when stressed.
The bolt 5 is connected with a disc hole formed in the end disc 4 in a matched mode through threads, and an end cap of the bolt 5 is located above the end disc.
A point claw type connecting piece construction and installation method for a composite heat insulation wall body specifically comprises the following steps:
s1, firstly, penetrating a bolt 5 into the end disc 4, and then sleeving at least two chucks 6 on the bolt 5;
s2, when the wall is constructed, firstly, reinforcing steel bars 9 longitudinally and transversely arranged in the concrete outer blade plate are laid in the template, each end disc 4 is aligned with the corresponding reinforcing steel bar 9, the chucks 6 on the bolts 5 are rotated and screwed, and the corresponding reinforcing steel bars 9 are clamped by the two chucks 6 which are distributed up and down;
s3, pouring outer leaf plate concrete to form a lower outer leaf concrete layer 8, wherein the height of the upper end face of the lower outer leaf concrete layer 8 is flush with that of the upper end face of the claw disc 1, aligning holes reserved in the heat preservation layer 7 with the claw disc 1, laying the heat preservation layer 7 with the holes reserved, and enabling the lower end of the central rod 2 to penetrate through the holes of the heat preservation layer 7 and be screwed and fixed with the claw disc 1 in a rotating mode;
s4, paving reinforcing steel bars 9 longitudinally and transversely arranged in the concrete inner blade plate on the upper end face of the heat preservation layer 7, then pouring inner blade plate concrete to the specified thickness of the concrete inner blade plate to form an upper inner blade concrete layer 10, and after solidification, removing the formwork and maintaining.
When the point claw type connecting piece is manufactured, fiber resin is wrapped on the central rod 2 through an integrated pultrusion process, and then the central rod is cut to form a fiber resin outer wrapping layer 3.
The utility model discloses a some claw formula connecting piece can divide into two kinds of circumstances when carrying out the anchor with outer leaf reinforcing bar net piece. Firstly, as shown in fig. 4, when the end disc 4 of the connecting piece can be directly connected to the transverse and longitudinal four steel bars 9, the steel bars 9 can be squeezed in the middle by the chuck 6, and the chuck 6 is rotated to be fastened; secondly, as shown in fig. 3, when the end plates 4 of the unequal-interval steel mesh sheets or the point claw type connecting pieces cannot be directly connected with the four transverse and longitudinal steel bars 9, the two claw plates 1 and the steel bars 9 can be fixed by rotating the claw plates 1, the steel bars 9 are respectively extruded in the chucks 6, and the steel bars are fastened by screwing the chucks 6.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a some claw formula connecting piece for compound incubation wall body which characterized in that: including claw dish (1), central rod (2), bolt (5) and chuck (6), the lower extreme of central rod (2) can be dismantled with claw dish (1) and be connected, and the distribution of claw dish (1) all around extends has linking arm (11), and the tip of linking arm (11) is provided with end plate (4), wears to be equipped with bolt (5) on end plate (4), the threaded rod of bolt (5) is gone up the screw thread cover and is equipped with two at least chucks (6).
2. The point claw connection for composite thermal insulation wall according to claim 1, wherein: the lower end of the central rod (2) is connected with a threaded hole formed in the claw disc (1) in a matched mode through threads.
3. The point claw connection for composite thermal insulation wall according to claim 1, wherein: the central rod (2) is made of a steel rod, and the claw disc (1), the connecting arm (11) and the end disc (4) are made of carbon steel in an integrated forming mode.
4. The point claw connection for composite thermal insulation wall according to claim 3, wherein: the upper end of the central rod (2) is coated with a fiber resin outer coating (3), and the horizontal section of the upper end of the fiber resin outer coating (3) is larger than that of the lower end of the fiber resin outer coating (3).
5. The point claw connection for composite thermal insulation wall according to claim 4, wherein: the outer surface of the upper end of the central rod (2) is a rough surface, and the outer surface of the lower end of the central rod is provided with threads.
6. The point claw connection for composite thermal insulation wall according to claim 1, wherein: the bolt (5) is connected with a disc hole formed in the end disc (4) in a matched mode through threads, and an end cap of the bolt (5) is located above the end disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598006.1U CN210067051U (en) | 2019-04-28 | 2019-04-28 | Point claw type connecting piece for composite heat insulation wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598006.1U CN210067051U (en) | 2019-04-28 | 2019-04-28 | Point claw type connecting piece for composite heat insulation wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210067051U true CN210067051U (en) | 2020-02-14 |
Family
ID=69449387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920598006.1U Expired - Fee Related CN210067051U (en) | 2019-04-28 | 2019-04-28 | Point claw type connecting piece for composite heat insulation wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210067051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914606A (en) * | 2019-04-28 | 2019-06-21 | 安徽建筑大学 | A kind of point claw connector and its construction installation method for composite thermal-insulating wall |
-
2019
- 2019-04-28 CN CN201920598006.1U patent/CN210067051U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914606A (en) * | 2019-04-28 | 2019-06-21 | 安徽建筑大学 | A kind of point claw connector and its construction installation method for composite thermal-insulating wall |
| CN109914606B (en) * | 2019-04-28 | 2024-09-27 | 安徽建筑大学 | Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107299699B (en) | Assembled cavity shear wall horizontal joint Alveolus type dry type connection structure | |
| CN110528950B (en) | Assembled hidden bracket type beam-column joint connecting device | |
| CN103046478B (en) | Assembled plate girder bridge hinge joint reinforcing opposite-pulling device | |
| CN108277887A (en) | Assembled built-in heat insulation layer concrete composite wall-light steel frame connecting node | |
| CN108301531A (en) | Assembled built-in heat insulation layer concrete composite wall-light steel frame-floor connecting node | |
| CN210067051U (en) | Point claw type connecting piece for composite heat insulation wall | |
| CN210032158U (en) | Concrete placement external wall insulation system | |
| CN109162374B (en) | Closed-mouth-shaped cross-section connecting piece, heat-insulating wall and construction method thereof | |
| CN203452195U (en) | Double-pre-buried-plate opposite-pulling-type built-in fitting | |
| CN208105502U (en) | Assembled built-in heat insulation layer concrete composite wall-light steel frame connecting node | |
| CN203007819U (en) | Assembled plate girder bridge hinge joint reinforcing opposite-pulling device | |
| CN213926871U (en) | Assembled building connection structure convenient to firm installation | |
| CN213682569U (en) | Reinforced connection mortise and tenon of non-dismantling heat preservation template cast-in-place concrete wallboard system | |
| CN109914606B (en) | Point claw type connecting piece for composite heat-insulating wall and construction and installation method thereof | |
| CN109898699A (en) | A kind of fabricated ripple type steel plate shear wall structure and its construction method | |
| CN102817420A (en) | Extrusion molding composite thermal insulation plate integrated with main body structure concrete | |
| CN210049428U (en) | Sandwich heat-insulating steel concrete composite pipe structure | |
| CN209990177U (en) | Prestress reinforced bamboo-wood bending component | |
| CN210767502U (en) | Steel structure concrete column | |
| CN103643694B (en) | A kind of prefabricated fish belly type barrier formula wing plate basis | |
| CN210049441U (en) | T-shaped joint of T-shaped steel and threaded sleeve assembled and connected type steel concrete combined pipe | |
| CN210713501U (en) | Prefabricated sandwich heat preservation wallboard connecting piece of cross | |
| CN215330900U (en) | Assembled steel construction wallboard for building engineering | |
| CN218933591U (en) | Prefabricated building wall board and assembled building | |
| CN111379269A (en) | Assembly type independent foundation and assembly method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20200428 |