CN205976235U - Grout sleeve and prefab - Google Patents

Grout sleeve and prefab Download PDF

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Publication number
CN205976235U
CN205976235U CN201620364616.1U CN201620364616U CN205976235U CN 205976235 U CN205976235 U CN 205976235U CN 201620364616 U CN201620364616 U CN 201620364616U CN 205976235 U CN205976235 U CN 205976235U
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CN
China
Prior art keywords
sleeve
grout
sleeve body
reinforcing bar
steel lobe
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CN201620364616.1U
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Chinese (zh)
Inventor
俞大有
陈定球
刘斌
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China Mingsheng Drawin Technology Investment Co Ltd
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China Mingsheng Drawin Technology Investment Co Ltd
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Priority to CN201620364616.1U priority Critical patent/CN205976235U/en
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Abstract

The utility model discloses a grout sleeve and prefab, grout sleeve includes the sleeve body, be equipped with grout mouth and gas vent on the sleeve body, the one end opening of sleeve body, the other end is the link, the inner chamber of sleeve body is the spindle type. The utility model discloses low cost can realize the axial control and the radical location of reinforcing bar, guarantees the positioning accuracy between reinforcing bar and the grout sleeve, can effectively improve filling compactness, increases the grout material and to the bond stress of reinforcing bar, effectively increases the anti -shearing force's of the joint portion in the sleeve ability and tensile strength's grout sleeve simultaneously.

Description

A kind of grout sleeve and prefabricated component
Technical field
This utility model belongs to building engineering field, more particularly, to a kind of grout sleeve and prefabricated component.
Background technology
In traditional cast-in-place concrete structure, the connection of reinforcing bar is many to be connected, is welded to connect or compression sleeve using overlap joint Deng mechanical joining methods, the construction of bar connecting complex and it is necessary to complete the connection of reinforcing bar before cast concrete, no Method realizes the connection of reinforcing bar between prefabricated component, thus cannot be carried out prefabricated construction.
In prior art, the bar connecting between assembly concrete architectural prefab is needed to be in the milk using sleeve and connects, Two connected reinforcing bars are inserted in metal sleeves and irrigates high-performance water cement mortar, water into the space between sleeve and reinforcing bar After cement mortar hardening, between three, mutual build-in is thus realize the connection of reinforcing bar.Patent CN 105133795 A discloses one kind Reducing type half grout sleeve, using seamless steel pipe as main body tube, main body inside pipe wall is male and fomale(M&F), main body tube upper end and conical tube Larger diameter end connect, the smaller diameter end of conical tube is connected with cylindrical tube one end.Above-mentioned sleeve increased a conical pipe and rises To reducing effect so that this grout sleeve is easily attached reinforcing bar, and so that it is deformed so as to through extruding with to be connected reinforcing bar tight Contact.But the setting of conical pipe makes the internal diameter of this part diminish suddenly in above-mentioned grout sleeve, due to reinforcing bar have certain Rigidity, is difficult to make reinforcing bar to be connected on the same line, or even reinforcing bar cannot extend into the inside of sleeve, in stress Upper existing defects.Patent CN 103758291 B discloses a kind of shearing enhancement mode half grout sleeve, including sleeve body, described set Cylinder is tubular structure, is provided with elastic rubber sealing ring, sets at the opening of sleeve body other end at the opening that sleeve body is It is equipped with threaded connector, and grouting mouth and grout outlet are being provided with the side wall of sleeve body end position;Along sleeve body Side wall is provided with bolt hole, and described bolt in the hole is provided with shearing bolt.Above-mentioned sleeve plays shearing by increasing shearing bolt Enhanced effect, but its structure is relative complex, and processing technology also can complicate, and cost of manufacture can accordingly increase simultaneously.
In sum, need that exploitation is a kind of with low cost badly, the axial direction being capable of reinforcing bar controls and radial positioning is it is ensured that steel The grout sleeve of the positioning precision between muscle and grout sleeve.
Utility model content
The purpose of this utility model is to provide one kind with low cost, and the axial direction being capable of reinforcing bar controls and radial positioning, Ensure the grout sleeve of the positioning precision between reinforcing bar and grout sleeve, and application has the prefabricated component of this grout sleeve.
Above-mentioned purpose is to be achieved through the following technical solutions:A kind of grout sleeve, including sleeve body, described sleeve body It 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 connection end, described set The inner chamber of cylinder body is in spindle-type.Be arranged such, the inner chamber of sleeve body can be made small at both ends and big in the middle, sleeve body interior When near connection end, internal diameter tapers into, and so, when carrying out steel reinforcement abutting joints, reinforcing bar is stretched from the opening of sleeve body in chamber Enter to sleeve body inner chamber, steel bar end under the constraint of sleeve body inwall to connection end move, until reinforcing bar end with Connection end is connected, and so, in the docking operation of reinforcing bar, sleeve body can be realized to reinforcing bar accurately axially controlling, and realizes Radial positioning, can make docking reinforcing bar on the same line, and reasonable mechanical meanwhile, can make reinforcing bar be located at the central part of inner chamber, After grouting, the thickness of the grouting material of reinforcing bar surrounding is consistent, and improves Grouted density, increases the bond stress to reinforcing bar for the grouting material. In addition, inner chamber is broad in the middle have enough flowing spaces when ensureing that grouting material internally flows it is ensured that grouting material fill entirely interior Chamber, improves Grouted density, simultaneously grouting material in the lumen between big part thickness increase, formed and strengthen area, increase grouting The bond stress to reinforcing bar for the material;Again, after grouting material molding, the interior intracavity of sleeve body forms the grouting consistent with cavity shape Layer, that is, grout blanket, in part broad in the middle with diameter greater than the diameter of sleeve body opening, increased the combination in sleeve The ability of the anti-shearing force in portion and tensile strength, therefore the globality of binding site is more preferable.
Further, the inwall of described sleeve body is by opening inwardly corrugated extension.It is arranged such, and undulatory Inwall can ensure that grouting material plays the role of enough flowing spaces and water conservancy diversion grouting material, can effectively improve Grouted density, separately On the one hand, the concavity and convexity of sleeve body inwall can be effectively increased, and then increase the gmatjpdumamicss between grouting material and sleeve body, carry The anchoring strength of high reinforcing bar.
Further, the bottom of described sleeve body opening inner chamber is provided with annular protrusion.In sleeve body opening Bottom of chamber portion arranges annular protrusion, so plays certain barrier effect to grouting material so that grouting material can be first smoothly to set Cylinder body interior flowing, can improve Grouted density.
Further, the inwall of described sleeve body is provided with steel lobe, and described steel lobe is along the axial direction of described sleeve body inner chamber Setting.The setting of steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, can suitably reduce sleeve body Wall thickness, material-saving.Simultaneously in the case of external diameter identical reduce wall thickness, increased grouting material so that be in the milk more closely knit, steel The muscle adhesive property overall with sleeve body is higher.Additionally, the slurry pouring into forms and steel empty with sleeve in sleeve body The lock solid structure that lobe matches, is greatly improved the anchorage reliability of reinforcing bar.It should be appreciated that described steel lobe can be and sleeve Body one-piece casting molding, may also be and be arranged on intracavity in sleeve body in cutting processing molding or work progress, with Sleeve body is flexibly connected.Certainly, steel lobe set location is not overlapping with grouting mouth and position set by steam vent.
Further, the inwall of described sleeve body sets the steel lobe of more than two lobes it is preferable that on the inwall of described sleeve body It is arranged with 3 lobes or 4 lobe steel lobes.Depending on the setting of lobe lobe number is mainly according to the size of sleeve, steel lobe can adopt two lobes, three lobes etc. Lobe number is so that the regulation space of sleeve body is bigger.
Further, between described steel lobe, the distance along the inner chamber circumference of sleeve body is less than the diameter of reinforcing bar to be connected.As This setting, it is to avoid during construction reinforced bar docking, reinforcing bar inserts in the seam between steel lobe, does not realize docking, increases difficulty of construction.
Further, described steel lobe is gradually thickening to connection end from opening, and the inside in described sleeve body divides gradually Diminish.During grout sleeve application, in the manufacturing process of prefabricated component, grout sleeve is embedded in prefabricated component in advance, sleeve body Connection end is connected with reinforcing bar, and the opening of sleeve body connects towards outside prefabricated component, and when carrying out steel reinforcement abutting joints, reinforcing bar is from sleeve originally The opening of body stretches to sleeve body inner chamber, because steel lobe is gradually thickening to connection end from opening, interior in sleeve body Empty part tapers into, and after reinforcing bar enters inner chamber, steel bar end moves to connection end under the constraint of steel lobe inwall, until reinforcing bar End be connected with connection end, so, in the docking operation of reinforcing bar, sleeve body can be realized to reinforcing bar accurately axially controlling System, realizes radial positioning it is ensured that positioning precision between reinforcing bar and grout sleeve, under preferable case, described steel lobe is symmetrical arranged When, docking reinforcing bar can be made on the same line, reasonable mechanical;Reinforcing bar can be made simultaneously to be located at the central part of inner chamber, so filling After slurry, the thickness of the grouting material of reinforcing bar surrounding is consistent, and improves Grouted density, increases the bond stress to reinforcing bar for the grouting material.Need It is noted that in order to reach preferably technique effect, described sleeve body is divided and be should be slightly larger than in the inside of air vent section The diameter of reinforcing bar.It will be appreciated by those skilled in the art that air vent section described herein refers to air vent in sleeve body The length of interval taking in the axial direction of chamber.
Further, described steel lobe opens up slurry hole or lead stock tank.Cross slurry hole or the setting on the one hand guarantee filling leading stock tank Slurry has enough flowing spaces when flowing to connection end, enriches whole grout sleeve, simultaneously can be by the gap between steel lobe Grouting material connect integral, increase the adhesion between sleeve body and grouting material, the globality of grouting material is higher, Jin Eryou Effect increases the bond stress to reinforcing bar for the grouting material.
Further, described cross slurry hole or to lead stock tank circumferentially disposed along sleeve.So, by crossing slurry hole or leading stock tank by steel Gap connection between lobe.
Further, described connection end is provided with threaded mouth or fixing bolt.So it is ensured that sleeve both sides reinforcing bar Connect and fixing.
Further, described sleeve body outer surface is matsurface.When grout sleeve is as built-in fitting, sleeve body appearance Face adopts rough surface, increased the anchor force between grout sleeve and concrete.
Further, described steel lobe is provided with groove or projection.The groove of upper setting certain depth of steel lobe or projection, can increase Plus the contact area between steel lobe and grouting material, to increase itself gmatjpdumamics and grouting material between so that reinforcing bar and sleeve body Between power transmission more uniform.It should be appreciated that described groove or projection can be arranged on side wall and/or the inwall of steel lobe, described Groove or projection can be horizontal, vertical or annular setting.If opening up groove, can be provided in steel lobe side wall middle part or Groove, near one end of sleeve body wall, is especially opened in steel lobe side wall near one end of sleeve body wall, can increase by side wall The grouting space of big grouting material, and increase the contact area of steel lobe, sleeve lining and grouting material simultaneously.
Further, described steel lobe inwall is by opening inwardly corrugated extension.It is arranged such, undulatory inwall can be protected Card grouting material plays the role of enough flowing spaces and water conservancy diversion grouting material, can effectively improve Grouted density, on the other hand, can It is effectively increased the concavity and convexity of steel lobe inwall, and then increases the gmatjpdumamicss between grouting material and steel lobe, improve the anchoring strength of reinforcing bar.
Further, described steel lobe is in the shape of a spiral.It is arranged such, it is possible to increase the gmatjpdumamicss between steel lobe and grouting material, simultaneously Guiding grouting material flows into sleeve body to a certain extent, effectively improves Grouted density.
Further, the opening of described sleeve body is provided with closing device, and described closing device is provided with jack hole.So set Put, it is to avoid grouting material is before condensing hardening from sleeve body opening spilling.During use, first reinforcing bar is passed through on closing device Jack hole, sealed after the docking completing reinforcing bar, then carried out grouting operation.
Further, described closing device adopts screw thread or shackle member to be connected with sleeve body.So, closing device and sleeve Body forms and is reliably connected, and can avoid, in filling process, backing down envelope due to impulsive force and the gravity of itself of grouting material The phenomenon of mouth device occurs.
Further, the two side of described closing device is provided with anchoring projection.It is arranged such, closing device can be with its both sides Grouting material and in-situ layer form certain anchor force, indirectly strengthen sleeve body and the connection of the two.
Further, described closing device is lock sleeve, the inner chamber interference of described lock sleeve and described sleeve body opening Cooperation, described lock sleeve is mild steel or spring steel preparation.It is arranged such, after completing the docking of reinforcing bar, during sealing, lock sleeve is past In push away, due to the inner chamber interference fit of lock sleeve and sleeve body opening, lead to lock sleeve elastic deformation to occur, and then tightly Reinforcing bar is pinned, reinforcing bar can be made not swing in filling process.
Further, the end of described lock sleeve offers otch.It is arranged such, be conducive to lock sleeve to deform upon.Should Understand, 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.It is arranged such, while increasing grouting space Increase the gmatjpdumamicss between sleeve body inwall and grouting material, increase overall tension or the anti-shearing force of sleeve body binding site Ability.Described groove is preferably arranged to annular, that is, circumferentially disposed along sleeve body inner chamber.
Further, described sleeve body outer surface is provided with annular cutting.It is arranged such, increased 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.It is arranged such, 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, this utility model also provides a kind of prefabricated component, described prefabricated component be embedded with embedded bar and Grout sleeve described in above-mentioned any one, described embedded bar is connected with the connection end of grout sleeve.It is arranged such, prefabricated component It is embedded with grout sleeve, is connected with the reinforcing bar that stretches out of prefabricated component to be assembled by grout sleeve, then grouting is fixed, and realizes prefabricated The abutting joint of part.
Brief description
The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used for explaining this utility model, does not constitute to improper restriction of the present utility model.
Fig. 1~3 are respectively the front section view of the grout sleeve involved by a kind of embodiment of this utility model;
Fig. 4~8 are respectively the middle section figure of the grout sleeve involved by a kind of embodiment of this utility model;
Fig. 9 and Figure 10 is respectively the opening profile of the grout sleeve involved by a kind of embodiment of this utility model;
Figure 11 is the front section view of the grout sleeve involved by a kind of embodiment of this utility model;
Figure 12 is the middle section figure of the grout sleeve involved by a kind of embodiment of this utility model;
It is respectively the front section view of the grout sleeve involved by this utility model another embodiment with 13 and 14;
Figure 15 is the structural representation of the lock sleeve involved by a kind of embodiment of this utility model;
Figure 16 is the preform structure schematic diagram involved by a kind of embodiment of this utility model;
Figure 17 is the prefabricated component mated condition schematic diagram involved by a kind of embodiment of this utility model.
In figure:
1 sleeve body 2 grouting mouth 3 air vent 4 opening
5 connection end, 6 annular protrusion, 8 steel lobe 9 crosses slurry hole
10 inner chamber, 11 steel lobe inwall 13 reinforcing bar 14 grouting material
15 raised 16 groove, 17 closing device 18 lock sleeves
19 jack hole, 20 otch, 21 prefabricated component 22 embedded bar
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail, the description of this part is only exemplary and explanatory, Should not there is any restriction effect to protection domain of the present utility model.Additionally, those skilled in the art's retouching according to presents State, respective combination can be carried out to the feature in embodiment in presents and in different embodiment.
This utility model embodiment is as follows, and with reference to Fig. 1, a kind of grout sleeve, including sleeve body 1, described sleeve body 1 It is provided with grouting mouth 2 and air vent 3, the one end open of described sleeve body 1, the other end is connection end 5, described sleeve body 1 Inner chamber 10 be in spindle-type.Be arranged such, the inner chamber 10 of sleeve body 1 can be made small at both ends and big in the middle, sleeve body 1 interior When near connection end, internal diameter tapers in chamber 10, and so, when carrying out reinforcing bar 13 docking, reinforcing bar 13 is opened from sleeve body 1 Mouth end 4 stretches to sleeve body 1 inner chamber 10, and reinforcing bar 13 termination is mobile to connection end 5 under the constraint of sleeve body 1 inwall, directly End to reinforcing bar 13 is connected with connection end 5, and so, in the docking operation of reinforcing bar 13, sleeve body 1 can be real to reinforcing bar 13 Now accurately axially control, realize radial positioning, docking reinforcing bar 13 can be made on the same line, reasonable mechanical, can make meanwhile Reinforcing bar 13 is located at the central part of inner chamber 10, and after grouting, the thickness of the grouting material 14 of reinforcing bar 13 surrounding is consistent, and improves grouting Degree of compaction, increases the bond stress to reinforcing bar 13 for the grouting material 14.In addition, inner chamber 10 is broad in the middle ensures that grouting material 14 internally flows When have enough flowing spaces it is ensured that grouting material 14 fills whole inner chamber 10, improve Grouted density, simultaneously including grouting material 14 Chamber 10 part thickness broad in the middle increases, and is formed and strengthens area, increases the bond stress to reinforcing bar 13 for the grouting material 14;Again, work as filling After slurry 14 molding, form the grout blanket consistent with inner chamber 10 shape in the inner chamber 10 of sleeve body 1, that is, grout blanket is broad in the middle Part the diameter with diameter greater than sleeve body 1 opening 4, increased the ability of the anti-shearing force of joint portion in sleeve And tensile strength, therefore the globality of binding site is more preferable.
On the basis of above-described embodiment, in another embodiment of the present invention, the inwall of described sleeve body 1 is by opening 4 Inwardly corrugated extension.It is arranged such, and undulatory inwall can ensure that grouting material 14 has enough flowing spaces and leads The effect of purling slurry 14, can effectively improve Grouted density, on the other hand, can be effectively increased the concavo-convex of sleeve body 1 inwall Property, and then increase the gmatjpdumamicss between grouting material 14 and sleeve body 1, 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. 2, in described sleeve body 1 opening 4 The bottom in chamber 10 is provided with annular protrusion 6.Interior radial direction connection end 5 due to sleeve body 1 tapers into, and during grouting, fills The easy elder generation of slurry 14, to open outer end overflow, arranges annular protrusion 6 in inner chamber 10 bottom of sleeve body 1 opening 4, so to filling Slurry 14 plays certain barrier effect so that grouting material 14 can improve filling first smoothly to sleeve body 1 internal flow Slurry degree of compaction.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 3 and Fig. 4, described sleeve body 1 interior Wall is provided with steel lobe 8, and described steel lobe 8 is axially arranged along described sleeve body 1 inner chamber 10.The setting of steel lobe 8 increases sleeve Body 1 integral rigidity, on the premise of meeting rigidity, can suitably reduce sleeve body 1 wall thickness, material-saving.Outside simultaneously Reduce wall thickness in the case of the identical of footpath, increased grouting material 14 so that grouting is more closely knit, reinforcing bar 13 is overall with sleeve body 1 Adhesive property higher.Additionally, the slurry pouring into forms the locking matching with sky in sleeve and steel lobe 8 in sleeve body 1 Structure, is greatly improved the anchorage reliability of reinforcing bar 13.It should be appreciated that as Fig. 4~7, described steel lobe 8 can be and sleeve this Body 1 one-piece casting molding, may also be and be arranged in cutting processing molding or work progress in sleeve body 1 inner chamber 10, It is flexibly connected with sleeve body 1.Certainly, steel lobe 8 set location is not overlapping with grouting mouth 2 and position set by steam vent.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 4~7, the inwall of described sleeve body 1 On set the steel lobe 8 of more than two lobes it is preferable that 3 lobes or 4 lobe steel lobes 8 are arranged with the inwall of described sleeve body 1.Lobe lobe number Depending on setting is mainly according to the size of sleeve, steel lobe 8 can be using the lobe number such as two lobes, three lobes so that the regulation space of sleeve body 1 Bigger.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 4, along sleeve body between described steel lobe 8 The distance of 1 inner chamber 10 circumference is less than the diameter of reinforcing bar 13 to be connected.It is arranged such, it is to avoid reinforcing bar 13 during construction reinforced bar 13 docking In seam between insertion steel lobe 8, do not realize docking, increase difficulty of construction.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 3, described steel lobe 8 is from opening 4 to even Connect end 5 gradually thickening, the inside in described sleeve body 1 divides and tapers into.During grout sleeve application, in the system of prefabricated component 21 During work, grout sleeve is embedded in advance in prefabricated component 21, the connection end 5 of sleeve body 1 is connected with reinforcing bar 13, sleeve body 1 Opening 4 connect towards prefabricated component 21 is outer, when carrying out reinforcing bar 13 docking, reinforcing bar 13 stretches to from the opening 4 of sleeve body 1 Sleeve body 1 inner chamber 10, because steel lobe 8 is gradually thickening to connection end 5 from opening 4, the inside in sleeve body 1 divides gradually Diminish, after reinforcing bar 13 enters inner chamber 10, reinforcing bar 13 termination is mobile to connection end 5 under the constraint of steel lobe inwall 11, until reinforcing bar 13 end is connected with connection end 5, and so, in the docking operation of reinforcing bar 13, sleeve body 1 can be realized accurately to reinforcing bar 13 Axial direction control, realize radial positioning it is ensured that positioning precision between reinforcing bar 13 and grout sleeve, under preferable case, that is, be provided with Multiple steel lobes 8, 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, close Reason stress;Reinforcing bar 13 can be made to be located at the central part of inner chamber 10, the thickness of the grouting material 14 of reinforcing bar 13 surrounding so after grouting simultaneously Degree is consistent, and improves Grouted density, increases the bond stress to reinforcing bar 13 for the grouting material 14.It is pointed out that in order to reach Above-mentioned technique effect, the thickness of described steel lobe 8 can not be too big 3 sections of air vent, and reinforcing bar 13 at least be ensure that can It is connected with connection end 5 through after 3 sections of air vent.It will be appreciated by those skilled in the art that 3 sections of air vent described herein refers to The length of interval that air vent 3 takies in sleeve body 1 inner chamber 10 axial direction.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11 and 12, described steel lobe 8 opened up Starch hole 9 or lead stock tank.On the one hand cross slurry hole 9 or lead the setting of stock tank to ensure that grouting material 14 has when flowing to connection end 5 enough The flowing space, enriches whole grout sleeve, can connect the grouting material 14 in the gap between steel lobe 8 integral simultaneously, increases Adhesion between sleeve body 1 and grouting material 14, the globality of grouting material 14 is higher, and then is effectively increased grouting material 14 to steel The bond stress of muscle 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 leads stock tank edge Sleeve circumferentially disposed.So, by cross slurry hole 9 or lead stock tank by between steel lobe 8 gap connect.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1, described connection end 5 is provided with threaded Mouth or fixing bolt.So it is ensured that the connection of sleeve both sides reinforcing bar 13 and fixation.
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, increased between grout sleeve and concrete Anchor force.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 9 and 10, described steel lobe 8 is provided with groove 16 or raised 15.The groove 16 of upper setting certain depth of steel lobe 8 or raised 15, can increase between steel lobe 8 and grouting material 14 Contact area, with increase itself gmatjpdumamics and grouting material 14 between so that between reinforcing bar 13 and sleeve body 1 power transmission more equal Even.It should be appreciated that described groove 16 or raised 15 can be arranged on side wall and/or the inwall of steel lobe 8, described groove 16 or convex Playing 15 can be horizontal, vertical or annular setting.Middle part or the side of steel lobe 8 side wall if opening up groove 16, can be provided in Groove, near one end of sleeve body 1 wall, is especially opened in steel lobe 8 side wall near one end of sleeve body 1 wall, can increase by wall The grouting space of big grouting material 14, 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 13, described steel lobe inwall 11 is by opening 4 inwardly corrugated extensions.Undulatory inwall can ensure that grouting material 14 has enough flowing spaces and water conservancy diversion grouting material 14 Effect, Grouted density can be effectively improved, the concavity and convexity of steel lobe inwall 11 on the other hand, can be effectively increased, so increase fill Gmatjpdumamicss between slurry 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. 8, described steel lobe 8 is in the shape of a spiral.So Setting, it is possible to increase the gmatjpdumamicss between steel lobe 8 and grouting material 14, guides grouting material 14 to sleeve body 1 simultaneously to a certain extent Interior flowing, effectively improves Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, the opening 4 of described sleeve body 1 It is provided with closing device 17, described closing device 17 is provided with jack hole 19.It is arranged such, it is to avoid grouting material 14 is before condensing hardening Overflow from sleeve body 1 opening 4.During use, first reinforcing bar 13 is passed through the jack hole 19 on closing device 17, complete reinforcing bar 13 Docking after sealed, then carry out grouting operation.
On the basis of above-described embodiment, in another embodiment of the present invention, described closing device 17 and sleeve body 1 adopt Screw thread or shackle member connect.So, closing device 17 and sleeve body 1 form and are reliably connected, and can avoid in filling process, by Occur in the phenomenon that impulsive force and the gravity of itself of grouting material 14 back down closing device 17.
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 is raised.It is arranged such, closing device 17 can form certain anchor force with the grouting material 14 of its both sides and in-situ layer, indirectly Strengthen sleeve body 1 and the connection of the two.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14 and 15, described closing device 17 is lock Tight set 18, inner chamber 10 interference fit of described lock sleeve 18 and described sleeve body 1 opening 4, described lock sleeve 18 is mild steel Or spring steel preparation.It is arranged such, after completing the docking of reinforcing bar 13, during sealing, lock sleeve 18 is pushed away inward, due to lock sleeve 18 Inner chamber 10 interference fit of sleeve body 1 opening 4, leads to lock sleeve 18 that elastic deformation occurs, so tightly by reinforcing bar 13 Pin, 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 15, the end of described lock sleeve 18 opens up There is otch 20.It is arranged such, be conducive to lock sleeve 18 to deform upon.It should be appreciated that described otch 20 can be arranged on lock sleeve 18 any one or both ends.
Sleeve body 1 inwall on the basis of above-described embodiment, in another embodiment of the present invention, between described steel lobe 8 It is provided with groove.It is arranged such, increase the gmatjpdumamicss increasing between sleeve body 1 inwall and grouting material 14 while grouting space, Increase the overall tension of sleeve body 1 binding site or the ability of anti-shearing force.Described groove is preferably arranged to annular, that is, along set Cylinder body 1 inner chamber 10 circumferentially disposed.
On the basis of above-described embodiment, in another embodiment of the present invention, described sleeve body 1 outer surface is provided with annular quarter Groove.Be arranged such, increased the contact area of sleeve body 1 and prefabricated component 21 concrete, increase grout sleeve and concrete it Between anchor force.
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.It is arranged such, increases the diameter of inner chamber 10 at opening 4, angle can also play guide effect, be conducive to reinforcing bar 13 simultaneously Insertion achieve a butt joint.
This utility model also provides a kind of prefabricated component 21, and embodiment is as follows, and with reference to Figure 16 and 17, described prefabricated component 21 is pre-buried There is a grout sleeve described in embedded bar 22 and above-mentioned any one, connection end 5 phase of described embedded bar 22 and grout sleeve Even.It is arranged such, prefabricated component 21 is embedded with grout sleeve, reinforcing bar phase stretched out by grout sleeve and prefabricated component 21 to be assembled Even, then grouting is fixed, and realizes the abutting joint of prefabricated component 21.
The above is only preferred implementation of the present utility model it is noted that common skill for the art For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and Retouching also should be regarded as protection domain of the present utility model.

Claims (22)

1. a kind of grout sleeve, including sleeve body, described sleeve body be provided with grouting mouth and air vent it is characterised in that The one end open of described sleeve body, the other end is connection end, and the inner chamber of described sleeve body is in spindle-type.
2. grout sleeve according to claim 1 is it is characterised in that the inwall of described sleeve body by opening is in inwardly Corrugated extends.
3. grout sleeve according to claim 1 is it is characterised in that the intracavity bottom of described sleeve body opening is provided with Annular protrusion.
4. grout sleeve according to claim 1 is it is characterised in that the inwall of described sleeve body is provided with steel lobe, institute State steel lobe axially arranged along described sleeve body inner chamber.
5. grout sleeve according to claim 4 is it is characterised in that set more than two lobes on the inwall of described sleeve body Steel lobe.
6. grout sleeve according to claim 5 it is characterised in that between described steel lobe along sleeve body inner chamber circumference Distance be less than reinforcing bar to be connected diameter.
7. grout sleeve according to claim 5 is it is characterised in that described steel lobe is gradually become from opening to connection end Thickness, the inside in described sleeve body divides and tapers into.
8. grout sleeve according to claim 4 was it is characterised in that opening up slurry hole on described steel lobe or leading stock tank.
9. grout sleeve according to claim 8 is it is characterised in that described cross slurry hole or lead stock tank and set along the circumference of sleeve Put.
10. grout sleeve according to claim 9 is it is characterised in that described steel lobe is provided with groove or projection.
11. grout sleeves according to claim 9 are it is characterised in that described steel lobe inwall is in inwardly ripple by opening Shape extends.
12. grout sleeves according to claim 9 it is characterised in that described steel lobe in the shape of a spiral.
13. grout sleeves according to claim 1 are it is characterised in that described connection end is provided with threaded mouth or fixation Bolt.
14. grout sleeves according to claim 1 are it is characterised in that described sleeve body outer surface is matsurface.
15. grout sleeves according to claim 9 are it is characterised in that described steel lobe inwall is in inwardly ripple by opening Shape extends.
16. grout sleeves according to claim 1 are it is characterised in that the opening of described sleeve body is provided with sealing dress Put, described closing device is provided with jack hole.
17. grout sleeves according to claim 16 are it is characterised in that described closing device and sleeve body adopt screw thread Or shackle member connects.
18. grout sleeves according to claim 16 are it is characterised in that the two side of described closing device is provided with anchoring Raised.
19. grout sleeves according to claim 16 it is characterised in that described closing device be lock sleeve, described locking Set and the inner chamber interference fit of described sleeve body opening, described lock sleeve is mild steel or spring steel preparation.
20. grout sleeves according to claim 19 are it is characterised in that the end of described lock sleeve offers otch.
21. grout sleeves according to claim 9 are it is characterised in that the sleeve body inwall between described steel lobe is provided with Groove.
A kind of 22. prefabricated components are it is characterised in that described prefabricated component is embedded with embedded bar and claim 1~21 any one Described grout sleeve, described embedded bar is connected with the connection end of grout sleeve.
CN201620364616.1U 2016-04-26 2016-04-26 Grout sleeve and prefab Active CN205976235U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105781025A (en) * 2016-04-26 2016-07-20 中民筑友科技投资有限公司 Grouting sleeve and prefabricated piece
CN109235779A (en) * 2018-10-22 2019-01-18 北京工业大学 A kind of self-centering full grout sleeve construction of achievable reinforcing bar and the practice

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105781025A (en) * 2016-04-26 2016-07-20 中民筑友科技投资有限公司 Grouting sleeve and prefabricated piece
CN109235779A (en) * 2018-10-22 2019-01-18 北京工业大学 A kind of self-centering full grout sleeve construction of achievable reinforcing bar and the practice

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