CN105781021A - Grouting sleeve and prefabricated piece - Google Patents

Grouting sleeve and prefabricated piece Download PDF

Info

Publication number
CN105781021A
CN105781021A CN201610268006.6A CN201610268006A CN105781021A CN 105781021 A CN105781021 A CN 105781021A CN 201610268006 A CN201610268006 A CN 201610268006A CN 105781021 A CN105781021 A CN 105781021A
Authority
CN
China
Prior art keywords
sleeve
sleeve body
opening
steel lobe
grout
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.)
Pending
Application number
CN201610268006.6A
Other languages
Chinese (zh)
Inventor
俞大有
陈定球
刘斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Mingsheng Drawin Technology Investment Co Ltd
Original Assignee
China Mingsheng Drawin Technology Investment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Mingsheng Drawin Technology Investment Co Ltd filed Critical China Mingsheng Drawin Technology Investment Co Ltd
Priority to CN201610268006.6A priority Critical patent/CN105781021A/en
Publication of CN105781021A publication Critical patent/CN105781021A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162Connectors or means for connecting parts for reinforcements
    • E04C5/163Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165Coaxial connection by means of sleeves
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/40Separate connecting elements
    • E04B1/41Connecting devices specially adapted for embedding in concrete
    • E04B2001/4192Connecting devices specially adapted for embedding in concrete attached to concrete reinforcing elements, e.g. rods or wires

Abstract

The invention discloses a grouting sleeve and a prefabricated piece. The grouting sleeve comprises a sleeve body, wherein a grouting opening and an air outlet are formed in the sleeve body; an opening is formed in one end of the sleeve body; the other end of the sleeve body adopts a connecting end; the internal diameter of the sleeve body is gradually increased from the opening end to the connecting end; steel flaps are arranged on the inner wall of the sleeve body; the steel flaps are gradually thickened from the opening end to the connecting end. The grouting sleeve can realize the axial control and radial positioning of reinforced bars, guarantee the positioning accuracy between the reinforced bars and the grouting sleeve, effectively improve the grouting compactness, improve the bond strength to the reinforced bars by grouting materials, and meanwhile effectively improve the anti-shearing force and the tensile strength of a joint part in the sleeve.

Description

A kind of grout sleeve and prefabricated component
Technical field
The invention belongs to building engineering field, particularly relate to a kind of grout sleeve and prefabricated component.
Background technology
In traditional cast-in-place concrete structure, adopt overlap joint to connect more the connection of reinforcing bar, be welded to connect or the mechanical joining methods such as compression sleeve, the construction of bar connecting is complex, and the connection of reinforcing bar must be completed before cast concrete, the connection of reinforcing bar between prefabricated component cannot be realized, thus cannot be carried out prefabricated construction.
In prior art, bar connecting between assembly concrete architectural prefab needs to use sleeve grouting to connect, two connected reinforcing bars inserted in metal sleeve and irrigate high-performance water cement mortar in the space between sleeve and reinforcing bar, after cement mortar hardening, between three, mutual build-in is thus realizing the connection of reinforcing bar.Patent CN103758291B discloses a kind of shearing enhancement mode half grout sleeve, including sleeve body, described sleeve body is tubular structure, the opening part that sleeve body is one is provided with elastic rubber sealing ring, the opening part of sleeve body other end is provided with threaded connector, and is being provided with grouting mouth and grout outlet on the sidewall of sleeve body end position;Sidewall along sleeve body is provided with bolt hole, is provided with shearing bolt in described bolt hole.Above-mentioned sleeve plays, by increasing shearing bolt, the effect that shearing strengthens, but its structure relative complex, and processing technology also can complicate, and simultaneously cost of manufacture can increase accordingly.Patent CN105133795A discloses a kind of reducing type half grout sleeve, adopts seamless steel pipe as main body tube, and main body tube inwall is male and fomale(M&F), and main body tube upper end connects with the larger diameter end of conical tube, and the smaller diameter end of conical tube connects with cylindrical tube one end.Above-mentioned sleeve adds a conical pipe and plays the effect of reducing so that this grout sleeve is easily attached reinforcing bar, and makes it deform so that it is be in close contact with being connected reinforcing bar through extruding.But the setting of conical pipe makes the internal diameter of this part diminish suddenly in above-mentioned grout sleeve, owing to reinforcing bar has certain rigidity, it is difficult to so that reinforcing bar to be connected on the same line, reinforcing bar even cannot be extend into the inside, the existing defects in stress of sleeve.
In sum, need exploitation badly a kind of with low cost, it is capable of axially controlling and radially positioning of reinforcing bar, ensure the positioning precision between reinforcing bar and grout sleeve, Grouted density can be effectively improved, increase the grouting material bond stress to reinforcing bar, the ability of the anti-shearing force of the joint portion being simultaneously effectively increased in sleeve and the grout sleeve of tensile strength.
Summary of the invention
Purpose of the present invention exploitation is a kind of with low cost, it is capable of axially controlling and radially positioning of reinforcing bar, ensure the positioning precision between reinforcing bar and grout sleeve, Grouted density can be effectively improved, increase the grouting material bond stress to reinforcing bar, the ability of the anti-shearing force of the joint portion being simultaneously effectively increased in sleeve and the grout sleeve of tensile strength, and apply the prefabricated component having this grout sleeve.
Above-mentioned purpose is to be achieved through the following technical solutions: a kind of grout sleeve, and including sleeve body, described sleeve body is provided with grouting mouth and air vent, it is characterised in that the one end open of described sleeve body, the other end is link;The internal diameter of described sleeve body is gradually increased to link by opening, and the inwall of described sleeve body is provided with steel lobe, and described steel lobe is thickening gradually to link by opening.So arrange, sleeve body can be made to be significantly increased to the internal diameter of link by opening, to ensure that grouting material has enough flowing spaces to when connecting endwall flow, ensure that grouting material fills whole inner chamber, improve Grouted density, the thickness of grouting material increases simultaneously, is formed and strengthens district, increases the grouting material bond stress to reinforcing bar.Additionally, when after grouting material molding, the interior intracavity of sleeve body forms the grout blanket consistent with cavity shape, namely grout blanket at the diameter near link more than the diameter of sleeve body opening, add ability and the tensile strength of the anti-shearing force of joint portion in sleeve, therefore the globality of binding site is better.
nullDuring grout sleeve application,In the manufacturing process of prefabricated component,Grout sleeve is embedded in prefabricated component in advance,The link of sleeve body is connected with embedded bar,The opening of sleeve body connects outside prefabricated component,When carrying out steel reinforcement abutting joints,Reinforcing bar stretches to sleeve body inner chamber from the opening of sleeve body,Owing to steel lobe is thickening gradually to link by opening,And when being provided with multiple steel lobe,Preferably,Distance between the steel lobe inwall being oppositely arranged tapers into,After reinforcing bar enters inner chamber,Steel bar end moves to link under the constraint of steel lobe inwall,Until the end of reinforcing bar is connected with link,So,In the docking operation of reinforcing bar,Reinforcing bar can be realized accurate axially control by sleeve body,Realize radially location,Ensure the positioning precision between reinforcing bar and grout sleeve,Under preferable case,When described steel lobe is symmetrical arranged,Docking reinforcing bar can be made on the same line,Reasonable mechanical;Reinforcing bar can being made to be positioned at the central part of inner chamber, so after grouting, the thickness of the grouting material of reinforcing bar surrounding keeps consistent, improves Grouted density, increases the grouting material bond stress to reinforcing bar simultaneously.It is pointed out that to reach preferably technique effect, described in distance between the steel lobe inwall that is oppositely arranged should be slightly larger than the diameter of reinforcing bar in sleeve body in air vent section.It will be appreciated by those skilled in the art that air vent section described herein refers to the length of interval that air vent upwards takies in sleeve body lumen shaft.
The setting of steel lobe increases sleeve body integral rigidity, under the premise meeting rigidity, it is possible to suitably reduces sleeve body wall thickness, saves material.Reducing wall thickness simultaneously when external diameter is identical, add grouting material so that be in the milk more closely knit, reinforcing bar is higher with the adhesive property of sleeve body entirety.Additionally, the slurry poured into forms the lock solid structure matched with sky in sleeve and steel lobe in sleeve body, the anchorage reliability of reinforcing bar is greatly improved.Should be appreciated that described steel lobe can be and sleeve body one-piece casting molding, it is possible to be cutting processing molding, it is also possible to be that work progress is arranged in sleeve body intracavity, be flexibly connected with sleeve body.Certainly, steel lobe arrange position with grouting mouth and steam vent set by position not overlapping.
Further, the bottom of described sleeve body opening inner chamber is provided with annular protrusion.Intracavity bottom at sleeve body opening arranges annular protrusion, and grouting material so plays certain barrier effect so that grouting material first smoothly to sleeve body internal flow, can improve Grouted density.
Further, the inwall of described sleeve body sets the steel lobe of more than two lobes, it is preferable that the inwall of described sleeve body is arranged with 3 lobes or 4 lobe steel lobes.Arranging of lobe lobe number is mainly determined according to the size of sleeve, and steel lobe can adopt the lobe number such as two lobes, three lobes so that the adjustment space of sleeve body is bigger.
Further, between described steel lobe along the distance of the inner chamber circumference of sleeve body less than the diameter of reinforcing bar to be connected.So arrange, it is to avoid during construction reinforced bar docking, reinforcing bar inserts in the seam between steel lobe, it is achieved not docking, strengthen difficulty of construction.
Further, described steel lobe was offered slurry hole or led stock tank.Cross to starch hole or lead arranging of stock tank and ensure there are enough flowing spaces when grouting material flows to link on the one hand, enrich whole grout sleeve, grouting material in gap between steel lobe can be connected into entirety simultaneously, increase the adhesion between sleeve body and grouting material, the globality of grouting material is higher, and then is effectively increased the grouting material bond stress to reinforcing bar.
Further, described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.So, by crossing slurry hole or leading stock tank by the gap connection between steel lobe.
Further, described link is provided with threaded mouth or fixing bolt.So, it is ensured that the connection of sleeve both sides reinforcing bar and fixing.
Further, described sleeve body outer surface is matsurface.When grout sleeve is as built-in fitting, sleeve body outer surface adopts rough surface, adds the anchor force between grout sleeve and concrete.
Further, described steel lobe is provided with groove or projection.Steel lobe arranges groove or the projection of certain depth, the contact area between steel lobe and grouting material can be increased, to increase the gmatjpdumamics between itself and grouting material so that between reinforcing bar and sleeve body, power transmission is more uniform.Should be appreciated that described groove or projection can be arranged on sidewall and/or the inwall of steel lobe, described groove or projection can be horizontal, vertical or annular is arranged.If offering groove, the middle part of steel lobe sidewall or sidewall can be provided near one end of sleeve body wall, especially groove is opened in steel lobe sidewall near one end of sleeve body wall, it is possible to increase the grouting space of grouting material, and increases the contact area of steel lobe, sleeve lining and grouting material simultaneously.
Further, described steel lobe inwall is by the inside corrugated extension of opening.So arranging, undulatory inwall can ensure that grouting material has enough flowing spaces and the effect of water conservancy diversion grouting material, can be effectively improved Grouted density, on the other hand, the concavity and convexity of steel lobe inwall can be effectively increased, and then increase the gmatjpdumamics between grouting material and steel lobe, improve the anchoring strength of reinforcing bar.It should be noted that under this condition, steel lobe is referred on overall trend thickening gradually by opening to link is thickening gradually, and is not properly suited for the thickness change of steel lobe local, and reflection is steel lobe thickness overall variation trend.
Further, described steel lobe is in the shape of a spiral.So arrange, it is possible to increase the gmatjpdumamics between steel lobe and grouting material, guide grouting material to flow in sleeve body simultaneously to a certain extent, be effectively improved Grouted density.
Further, the opening of described sleeve body is provided with closing device, and described closing device is provided with jack hole.So arrange, it is to avoid grouting material before condensing hardening from sleeve body opening spilling.During use, first by reinforcing bar through the jack hole on closing device, seal after completing the docking of reinforcing bar, then carry out grouting operation.
Further, described closing device adopts screw thread or shackle member to be connected with sleeve body.So, closing device is formed with sleeve body and is reliably connected, and can avoid in filling process, and the phenomenon backing down closing device due to impulsive force and the gravity of itself of grouting material occurs.
Further, the two side of described closing device is provided with anchoring projection.So arranging, closing device can form certain anchor force with the grouting material of its both sides and in-situ layer, indirectly strengthens the sleeve body connection with the two.
Further, described closing device is lock sleeve, the inner chamber interference fit of described lock sleeve and described sleeve body opening, and described lock sleeve is mild steel or prepared by spring steel.So arrange, after completing the docking of reinforcing bar, during sealing, lock sleeve is pushed away inward, owing to steel lobe is thickening gradually to link by opening, the inside in sleeve body divides and tapers into, and causes lock sleeve generation elastic deformation, and then tightly by reinforcing bar pin, reinforcing bar can be made not swing in filling process.
Further, the end opens of described lock sleeve has otch.So arrange, be conducive to lock sleeve to deform upon.Should be appreciated that described otch can be arranged on any one or both ends of lock sleeve.
Further, the sleeve body inwall between described steel lobe is provided with groove.So arrange, while increasing grouting space, increase the gmatjpdumamics between sleeve body inwall and grouting material, increase the overall tension of sleeve body binding site or the ability of anti-shearing force.Described groove is preferably arranged to annular, i.e. circumferentially disposed along sleeve body inner chamber.
Further, described sleeve body outer surface is provided with annular cutting.So arrange, add sleeve body and concrete contact area, increase the anchor force between grout sleeve and concrete.
Further, the opening of described sleeve body is arranged to angle.So arranging, increase the diameter of opening inner chamber, angle can also play guide effect simultaneously, is conducive to the insertion of reinforcing bar to achieve a butt joint.
For reaching above-mentioned purpose, the present invention also provides for a kind of prefabricated component, and described prefabricated component is embedded with the grout sleeve described in embedded bar and above-mentioned any one, and described embedded bar is connected with the link of grout sleeve.So arranging, prefabricated component is embedded with grout sleeve, is connected with the reinforcing bar that stretches out of prefabricated component to be assembled by grout sleeve, and then grouting is fixing, it is achieved the abutting joint of prefabricated component.
Accompanying drawing explanation
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.
Fig. 1 is the front section view of the grout sleeve involved by one embodiment of the present invention;
The link right side sectional view of the grout sleeve involved by the respectively one embodiment of the present invention of Fig. 2~5;
The front section view of the grout sleeve involved by Fig. 6 and Fig. 7 respectively one embodiment of the present invention;
The link right side sectional view of the grout sleeve involved by Fig. 8 and Fig. 9 respectively one embodiment of the present invention;
The profile of the opening of the grout sleeve involved by the respectively one embodiment of the present invention of Figure 10 and 11;
The front section view of Figure 12 and 13 grout sleeve involved by another embodiment of the present invention;
Figure 14 is the structural representation of the lock sleeve involved by one embodiment of the present invention;
Figure 15 is the preform structure schematic diagram involved by one embodiment of the present invention;
Figure 16 is the prefabricated component mated condition schematic diagram involved by one embodiment of the present invention.
In figure:
1 sleeve body 2 is in the milk mouth 3 air vent 4 opening
5 link 6 annular protrusion 8 steel lobes 9 cross slurry hole
10 inner chamber 11 steel lobe inwall 13 reinforcing bar 14 grouting materials
15 protruding 16 groove 17 closing device 18 lock sleeves
19 jack hole 20 otch 21 prefabricated component 22 embedded bars
Detailed description of the invention
Describing the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, and protection scope of the present invention should not have any restriction effect.Additionally, the description that those skilled in the art are according to presents, it is possible to the feature in embodiment in presents and in different embodiment is carried out respective combination.
The embodiment of the present invention is as follows, see figures.1.and.2, a kind of grout sleeve, including sleeve body 1, described sleeve body 1 is provided with grouting mouth 2 and air vent 3, the one end open of described sleeve body 1, the other end is link 5, the internal diameter of described sleeve body 1 is gradually increased to link 5 by opening 4, and the inwall of described sleeve body 1 is provided with steel lobe 8, and described steel lobe 8 is thickening gradually to link 5 by opening 4.So arrange, to ensure to have enough flowing spaces when grouting material 14 flows to link 5, it is ensured that grouting material 14 fills whole inner chamber 10, improve Grouted density, the thickness ecto-entad of grouting material 14 increases simultaneously, is formed and strengthens district, increases the grouting material 14 bond stress to reinforcing bar 13.Additionally, when after grouting material 14 molding, the grout blanket consistent with inner chamber 10 shape is formed in the inner chamber 10 of sleeve body 1, namely the grout blanket diameter at close link 5 place is more than the diameter of sleeve body 1 opening 4, add ability and the tensile strength of the anti-shearing force of joint portion in sleeve, therefore the globality of binding site is better.
nullDuring grout sleeve application,In the manufacturing process of prefabricated component 21,Grout sleeve is embedded in prefabricated component 21 in advance,The link 5 of sleeve body 1 is connected with embedded bar 22,The opening 4 of sleeve body 1 connects towards prefabricated component 21 is outer,When carrying out reinforcing bar 13 and docking,Reinforcing bar 13 stretches to sleeve body 1 inner chamber 10 from the opening 4 of sleeve body 1,Owing to steel lobe 8 is thickening gradually to link 5 by opening 4,And when being provided with multiple steel lobe 8,Preferably,Distance between the steel lobe inwall 11 being oppositely arranged tapers into,After reinforcing bar 13 enters inner chamber 10,Reinforcing bar 13 termination is moved to link 5 under the constraint of steel lobe inwall 11,Until the end of reinforcing bar 13 is connected with link 5,So,In the docking operation of reinforcing bar 13,Reinforcing bar 13 can be realized accurate axially control by sleeve body 1,Realize radially location,Ensure the positioning precision between reinforcing bar 13 and grout sleeve,Under preferable case,Namely multiple steel lobe 8 it is provided with,The size of steel lobe 8 and consistency of thickness,And when being symmetrical arranged,Docking reinforcing bar 13 can be made on the same line,Reasonable mechanical;Reinforcing bar 13 can being made to be positioned at the central part of inner chamber 10, so after grouting, the thickness of the grouting material 14 of reinforcing bar 13 surrounding keeps consistent, improves Grouted density, increases the grouting material 14 bond stress to reinforcing bar 13 simultaneously.It is pointed out that to reach above-mentioned technique effect, the thickness of described steel lobe 8 air vent 3 sections can not be too big, at least ensure that reinforcing bar 13 can be connected with link 5 after passing air vent 3 sections.It will be appreciated by those skilled in the art that air vent described herein 3 sections refers to the length of interval that air vent 3 axially takies at sleeve body 1 inner chamber 10.
The setting of steel lobe 8 increases sleeve body 1 integral rigidity, under the premise meeting rigidity, it is possible to suitably reduces sleeve body 1 wall thickness, saves material.Reducing wall thickness simultaneously when external diameter is identical, add grouting material 14 so that be in the milk more closely knit, reinforcing bar 13 is higher with the adhesive property of sleeve body 1 entirety.Additionally, the slurry poured into forms the lock solid structure matched with sky in sleeve and steel lobe 8 in sleeve body 1, the anchorage reliability of reinforcing bar 13 is greatly improved.Should be appreciated that such as Fig. 2~5, described steel lobe 8 can be and sleeve body 1 one-piece casting molding, it is possible to is cutting processing molding, it is also possible to is be arranged in work progress in sleeve body 1 inner chamber 10, is flexibly connected with sleeve body 1.Certainly, steel lobe 8 arrange position with grouting mouth 2 and steam vent set by position not overlapping.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 6, the bottom of described sleeve body 1 opening 4 inner chamber 10 is provided with annular protrusion 6.Owing to the interior radial direction link 5 of sleeve body 1 tapers into, in the process of grouting, grouting material 14 is easily first to open outer end overflow, bottom the inner chamber 10 of sleeve body 1 opening 4, annular protrusion 6 is set, so grouting material 14 is played certain barrier effect, make grouting material 14 first smoothly to sleeve body 1 internal flow, can improve Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 2~5, the inwall of described sleeve body 1 sets the steel lobe 8 of more than two lobes, it is preferable that the inwall of described sleeve body 1 is arranged with 3 lobes or 4 lobe steel lobes 8.Arranging of lobe lobe number is mainly determined according to the size of sleeve, and steel lobe 8 can adopt the lobe number such as two lobes, three lobes so that the adjustment space of sleeve body 1 is bigger.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 2, along the distance of inner chamber 10 circumference of sleeve body 1 diameter less than reinforcing bar 13 to be connected between described steel lobe 8.So arrange, it is to avoid when construction reinforced bar 13 docks, reinforcing bar 13 inserts in the seam between steel lobe 8, it is achieved not docking, strengthen difficulty of construction.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 7 and 8, described steel lobe 8 offered slurry hole 9 or led stock tank.Cross to starch hole 9 or lead arranging of stock tank and ensure there are enough flowing spaces when grouting material 14 flows to link 5 on the one hand, enrich whole grout sleeve, grouting material 14 in gap between steel lobe 8 can be connected into entirety simultaneously, increase the adhesion between sleeve body 1 and grouting material 14, the globality of grouting material 14 is higher, and then is effectively increased the grouting material 14 bond stress to reinforcing bar 13.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 12, described cross slurry hole 9 or lead circumferentially disposed along sleeve of stock tank.So, by crossing slurry hole 9 or leading stock tank by the gap connection between steel lobe 8.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1, described link 5 is provided with threaded mouth or fixing bolt.So, it is ensured that the connection of sleeve both sides reinforcing bar 13 and fixing.
On the basis of above-described embodiment, in another embodiment of the present invention, described sleeve body 1 outer surface is matsurface.When grout sleeve is as built-in fitting, sleeve body 1 outer surface adopts rough surface, adds the anchor force between grout sleeve and concrete.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 10 and 11, described steel lobe 8 is provided with groove 16 or protruding 15.Steel lobe 8 arranges the groove 16 or protruding 15 of certain depth, the contact area between steel lobe 8 and grouting material 14 can be increased, to increase the gmatjpdumamics between itself and grouting material 14 so that between reinforcing bar 13 and sleeve body 1, power transmission is more uniform.Should be appreciated that described groove 16 or protruding 15 can be arranged on sidewall and/or the inwall of steel lobe 8, described groove 16 or protruding 15 can be horizontal, vertical or annular is arranged.If offering groove 16, the middle part of steel lobe 8 sidewall or sidewall can be provided near one end of sleeve body 1 wall, especially groove is opened in steel lobe 8 sidewall near one end of sleeve body 1 wall, the grouting space of grouting material 14 can be increased, and increase the contact area of steel lobe 8, sleeve lining and grouting material 14 simultaneously.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 12, described steel lobe inwall 11 is by the inside corrugated extension of opening 4.Undulatory inwall can ensure that grouting material 14 has enough flowing spaces and the effect of water conservancy diversion grouting material 14, Grouted density can be effectively improved, on the other hand, the concavity and convexity of steel lobe inwall 11 can be effectively increased, and then increase the gmatjpdumamics between grouting material 14 and steel lobe 8, improve the anchoring strength of reinforcing bar 13.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 9, described steel lobe 8 is in the shape of a spiral.So arrange, it is possible to increase the gmatjpdumamics between steel lobe 8 and grouting material 14, guide grouting material 14 to flow in sleeve body 1 simultaneously to a certain extent, be effectively improved Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 13, the opening 4 of described sleeve body 1 is provided with closing device 17, and described closing device 17 is provided with jack hole 19.So arrange, it is to avoid grouting material 14 overflows from sleeve body 1 opening 4 before condensing hardening.During use, first by reinforcing bar 13 through the jack hole 19 on closing device 17, seal after completing the docking of reinforcing bar 13, then carry out grouting operation.
On the basis of above-described embodiment, in another embodiment of the present invention, described closing device 17 adopts screw thread or shackle member to be connected with sleeve body 1.So, closing device 17 is formed with sleeve body 1 and is reliably connected, and can avoid in filling process, and the phenomenon backing down closing device 17 due to impulsive force and the gravity of itself of grouting material 14 occurs.
On the basis of above-described embodiment, in another embodiment of the present invention, the two side of described closing device 17 is provided with anchoring projection.So arranging, closing device 17 can form certain anchor force with the grouting material 14 of its both sides and in-situ layer, indirectly strengthens the sleeve body 1 connection with the two.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 13 and 14, described closing device 17 is lock sleeve 18, and inner chamber 10 interference fit of described lock sleeve 18 and described sleeve body 1 opening 4, described lock sleeve 18 is prepared for mild steel or spring steel.So arrange, after completing the docking of reinforcing bar 13, during sealing, lock sleeve 18 is pushed away inward, owing to steel lobe 1 is thickening gradually to link 5 by opening 4, the inside in sleeve body 1 divides and tapers into, and causes that elastic deformation occurs lock sleeve 18, and then reinforcing bar 13 is pinned tightly, reinforcing bar 13 can be made not swing in filling process.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, the end opens of described lock sleeve 18 has otch 20.So arrange, be conducive to lock sleeve 18 to deform upon.Should be appreciated that described otch 20 can be arranged on any one or both ends of lock sleeve 18.
On the basis of above-described embodiment, in another embodiment of the present invention, sleeve body 1 inwall between described steel lobe 8 is provided with groove.So arrange, while increasing grouting space, increase the gmatjpdumamics between sleeve body 1 inwall and grouting material 14, increase the overall tension of sleeve body 1 binding site or the ability of anti-shearing force.Described groove is preferably arranged to annular, i.e. circumferentially disposed along the inner chamber 10 of sleeve body 1.
On the basis of above-described embodiment, in another embodiment of the present invention, described sleeve body 1 outer surface is provided with annular cutting.So arrange, add sleeve body 1 and the concrete contact area of prefabricated component 21, increase the anchor force between grout sleeve and concrete.
On the basis of above-described embodiment, in another embodiment of the present invention, the opening 4 of described sleeve body 1 is arranged to angle.So arranging, increase the diameter of opening 4 place inner chamber 10, angle can also play guide effect simultaneously, is conducive to the insertion of reinforcing bar 13 to achieve a butt joint.
The present invention also provides for a kind of prefabricated component 21, and embodiment is as follows, and with reference to Figure 15 and 16, described prefabricated component 21 is embedded with the grout sleeve described in embedded bar 22 and above-mentioned any one, and described embedded bar 22 is connected with the link 5 of grout sleeve.So arranging, prefabricated component 21 is embedded with grout sleeve, is connected by the reinforcing bar that stretches out of grout sleeve with prefabricated component 21 to be assembled, and then grouting is fixing, it is achieved the abutting joint of prefabricated component 21.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. a grout sleeve, including sleeve body, described sleeve body is provided with grouting mouth and air vent, it is characterised in that the one end open of described sleeve body, the other end is link;The internal diameter of described sleeve body is gradually increased to link by opening, and the inwall of described sleeve body is provided with steel lobe, and described steel lobe is thickening gradually to link by opening.
2. grout sleeve according to claim 1, it is characterised in that the intracavity bottom of described sleeve body opening is provided with annular protrusion.
3. grout sleeve according to claim 1, it is characterised in that set the steel lobe of more than two lobes on the inwall of described sleeve body.
4. grout sleeve according to claim 3, it is characterised in that along the distance of the inner chamber circumference of sleeve body less than the diameter of reinforcing bar to be connected between described steel lobe.
5. grout sleeve according to claim 3, it is characterised in that offered slurry hole on described steel lobe or led stock tank.
6. grout sleeve according to claim 5, it is characterised in that described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.
7. the grout sleeve according to claim 1~6 any one, it is characterised in that described steel lobe is provided with groove or projection.
8. grout sleeve according to claim 7, it is characterised in that described steel lobe inwall is by the inside corrugated extension of opening.
9. grout sleeve according to claim 8, it is characterised in that described steel lobe is in the shape of a spiral;Or described link is provided with threaded mouth or fixing bolt;Or described sleeve body outer surface is matsurface;Or described steel lobe inwall is by the inside corrugated extension of opening;Or the opening of described sleeve body is provided with closing device, described closing device is provided with jack hole;Or described closing device adopts screw thread or shackle member to be connected with sleeve body;Or the two side of described closing device is provided with anchoring projection;Or described closing device is lock sleeve, the inner chamber interference fit of described lock sleeve and described sleeve body opening, described lock sleeve is mild steel or prepared by spring steel;Or the end opens of described lock sleeve has otch;Or the sleeve body inwall between described steel lobe is provided with groove.
10. a prefabricated component, it is characterised in that described prefabricated component is embedded with the grout sleeve described in embedded bar and claim 1~9 any one, and described embedded bar is connected with the link of grout sleeve.
CN201610268006.6A 2016-04-26 2016-04-26 Grouting sleeve and prefabricated piece Pending CN105781021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610268006.6A CN105781021A (en) 2016-04-26 2016-04-26 Grouting sleeve and prefabricated piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610268006.6A CN105781021A (en) 2016-04-26 2016-04-26 Grouting sleeve and prefabricated piece

Publications (1)

Publication Number Publication Date
CN105781021A true CN105781021A (en) 2016-07-20

Family

ID=56398762

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610268006.6A Pending CN105781021A (en) 2016-04-26 2016-04-26 Grouting sleeve and prefabricated piece

Country Status (1)

Country Link
CN (1) CN105781021A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111997204A (en) * 2020-08-20 2020-11-27 全学友 Transverse position-adjustable assembled vertical component connecting structure and construction method thereof
CN113047530A (en) * 2021-05-17 2021-06-29 吉林建筑大学设计研究院有限责任公司 Vertical steel bar connecting sleeve and connecting method of concrete member or finished steel bar cage

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002030762A (en) * 2000-07-19 2002-01-31 Tokyo Tekko Co Ltd Sleeve joint for coupling reinforcing bar
CN204112604U (en) * 2014-10-29 2015-01-21 赵虎 The slip casting rebar connector of band cone tail
CN104314204A (en) * 2014-10-27 2015-01-28 王丽萍 Non-form stripping lightweight internal partition board and overall grouting construction method thereof
CN104929318A (en) * 2014-03-18 2015-09-23 宁波市镇海路石建筑科技有限公司 Grouting sleeve for connecting deformed steel bars
CN204919998U (en) * 2015-05-06 2015-12-30 王会民 Half grout sleeve subassembly of nodular cast iron for steel bar connection
CN105298025A (en) * 2015-11-10 2016-02-03 丁勇 Continuous spiral grouting sleeve
CN205046756U (en) * 2015-10-27 2016-02-24 周桂香 Awl wedge type casing joint who excels in rebar mechanical connection
CN205134754U (en) * 2015-11-02 2016-04-06 深圳市现代营造科技有限公司 A grout sleeve for construction steel bar connects usefulness
CN205712759U (en) * 2016-04-26 2016-11-23 中民筑友科技投资有限公司 A kind of grout sleeve and prefabricated component

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002030762A (en) * 2000-07-19 2002-01-31 Tokyo Tekko Co Ltd Sleeve joint for coupling reinforcing bar
CN104929318A (en) * 2014-03-18 2015-09-23 宁波市镇海路石建筑科技有限公司 Grouting sleeve for connecting deformed steel bars
CN104314204A (en) * 2014-10-27 2015-01-28 王丽萍 Non-form stripping lightweight internal partition board and overall grouting construction method thereof
CN204112604U (en) * 2014-10-29 2015-01-21 赵虎 The slip casting rebar connector of band cone tail
CN204919998U (en) * 2015-05-06 2015-12-30 王会民 Half grout sleeve subassembly of nodular cast iron for steel bar connection
CN205046756U (en) * 2015-10-27 2016-02-24 周桂香 Awl wedge type casing joint who excels in rebar mechanical connection
CN205134754U (en) * 2015-11-02 2016-04-06 深圳市现代营造科技有限公司 A grout sleeve for construction steel bar connects usefulness
CN105298025A (en) * 2015-11-10 2016-02-03 丁勇 Continuous spiral grouting sleeve
CN205712759U (en) * 2016-04-26 2016-11-23 中民筑友科技投资有限公司 A kind of grout sleeve and prefabricated component

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111997204A (en) * 2020-08-20 2020-11-27 全学友 Transverse position-adjustable assembled vertical component connecting structure and construction method thereof
CN113047530A (en) * 2021-05-17 2021-06-29 吉林建筑大学设计研究院有限责任公司 Vertical steel bar connecting sleeve and connecting method of concrete member or finished steel bar cage

Similar Documents

Publication Publication Date Title
CN105781020A (en) Grouting sleeve and prefabricated member
CN205712757U (en) A kind of grout sleeve and prefabricated component
CN105781021A (en) Grouting sleeve and prefabricated piece
CN205712767U (en) A kind of grout sleeve and prefabricated component
CN205976235U (en) Grout sleeve and prefab
CN105756290A (en) Grouting sleeve and pre-fabricated part
CN105735568A (en) Grouting sleeve and prefabricated member
CN205712765U (en) A kind of grout sleeve and prefabricated component
CN205712763U (en) A kind of grout sleeve and prefabricated component
CN105781025A (en) Grouting sleeve and prefabricated piece
CN205712752U (en) A kind of grout sleeve and prefabricated component
CN205712760U (en) A kind of grout sleeve and prefabricated component
CN205976234U (en) Grout sleeve and prefab
CN205712772U (en) A kind of grout sleeve and prefabricated component
CN205712753U (en) A kind of grout sleeve and prefabricated component
CN205712761U (en) A kind of grout sleeve and prefabricated component
CN205917995U (en) Grout sleeve and prefab
CN205712768U (en) A kind of grout sleeve and prefabricated component
CN205712759U (en) A kind of grout sleeve and prefabricated component
CN205712762U (en) A kind of grout sleeve and prefabricated component
CN205712770U (en) A kind of grout sleeve and prefabricated component
CN205712764U (en) A kind of grout sleeve and prefabricated component
CN105781027A (en) Grouting sleeve and prefabricated member
CN205742754U (en) A kind of grout sleeve and prefabricated component
CN105756291A (en) Grouting sleeve and pre-fabricated part

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160720

RJ01 Rejection of invention patent application after publication