CN205712776U - A kind of grout sleeve and prefabricated component - Google Patents

A kind of grout sleeve and prefabricated component Download PDF

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Publication number
CN205712776U
CN205712776U CN201620364959.8U CN201620364959U CN205712776U CN 205712776 U CN205712776 U CN 205712776U CN 201620364959 U CN201620364959 U CN 201620364959U CN 205712776 U CN205712776 U CN 205712776U
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China
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sleeve
sleeve body
grout
reinforcing bar
steel lobe
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CN201620364959.8U
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陈定球
俞大有
李昌州
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Zhuyou Zhizao Technology Investment Co., Ltd
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China Mingsheng Drawin Technology Investment Co Ltd
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Abstract

The utility model belongs to building engineering field, specifically discloses a kind of grout sleeve and prefabricated component, and described grout sleeve includes sleeve body, and described sleeve body is provided with grouting mouth and exhaust outlet, the one end open of described sleeve body, and the other end is for connecting end;The internal diameter of described sleeve body is tapered into connecting end by openend, and the inwall of described sleeve body is provided with steel lobe.The utility model can realize reinforcing bar axially control and radially positioning accurately, it is ensured that the positioning precision between reinforcing bar and grout sleeve;The setting of steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, can suitably reduce sleeve body wall thickness, save material, and in the case that external diameter is identical, reduces wall thickness, add grouting material, making to be in the milk more closely knit, the reinforcing bar adhesive property overall with sleeve body is higher.Additionally, the slurry pouring into forms the lock solid structure matching with sky in sleeve and steel lobe in sleeve body, the anchorage reliability of reinforcing bar is greatly improved.

Description

A kind of grout sleeve and prefabricated component
Technical field
The utility model belongs to building engineering field, particularly relates to a kind of grout sleeve and prefabricated component.
Background technology
In traditional cast-in-place concrete structure, the connection of reinforcing bar, using overlap joint to connect, be welded to connect or compression sleeve more Deng mechanical joining methods, the construction of bar connecting is complex and it is necessary to complete the connection of reinforcing bar, nothing before cast concrete 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 needs to use sleeve grouting to connect, High-performance water cement mortar, water is irrigated in two connected reinforcing bars are inserted metal sleeve and in the space between sleeve and reinforcing bar After cement mortar hardening, mutual build-in between three thus the connection that realizes reinforcing bar.As patent CN 105133795 A discloses one Plant reducing type half grout sleeve, use seamless steel pipe to be male and fomale(M&F) as main body tube, main body tube inwall, main body tube upper end and circular cone The larger diameter end of pipe connects, and the smaller diameter end of conical tube connects with cylindrical tube one end.Above-mentioned sleeve add a conical pipe and Play the effect of reducing so that this grout sleeve is easily attached reinforcing bar, and makes it deform so that it is through extruding with to be connected reinforcing bar tight Contiguity is touched.But in above-mentioned grout sleeve, the setting of conical pipe makes the internal diameter of this part diminish suddenly, owing to reinforcing bar has necessarily Rigidity, be difficult to so that reinforcing bar to be connected on the same line, even reinforcing bar cannot be extend into sleeve the inside, be subject to Existing defects in power.
In sum, a kind of axially control being capable of reinforcing bar of exploitation and radial direction positioning are needed badly, it is ensured that reinforcing bar and grouting Positioning precision between sleeve, reasonable stress, the snap-in force between grouting material can be increased simultaneously, and it is close to effectively improve grouting The grout sleeve of solidity.
Utility model content
The purpose of this utility model is to provide a kind of axially control being capable of reinforcing bar and radially positioning, it is ensured that reinforcing bar with Positioning precision between grout sleeve, reasonable stress, the snap-in force between grouting material can be increased simultaneously, and effectively improve grouting The grout sleeve of packing, 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, including sleeve body, described sleeve body Being provided with grouting mouth and exhaust outlet, the one end open of described sleeve body, the other end is for connecting end;The internal diameter of described sleeve body Being tapered into connecting end by openend, the inwall of described sleeve body is provided with steel lobe.During grout sleeve application, at prefabricated component In manufacturing process, being embedded in grout sleeve in prefabricated component in advance, the connection end of sleeve body is connected with embedded bar, sleeve body Openend is towards connection outside prefabricated component, and when carrying out steel reinforcement abutting joints, reinforcing bar stretches in sleeve body from the openend of sleeve body Chamber, owing to the internal diameter of sleeve body is tapered into connecting end by openend, after reinforcing bar enters inner chamber, steel bar end is at sleeve originally Move to connection end under the constraint of internal wall, until the end of reinforcing bar is connected with being connected end, so, in the docking operation of reinforcing bar In, sleeve body can realize accurate axially control to reinforcing bar, it is achieved radially positioning, it is ensured that between reinforcing bar and grout sleeve Positioning precision, under preferable case, when i.e. the central point of connection end is on the center line of the inner chamber of sleeve body, can make to dock steel Muscle on the same line, reasonable mechanical;Reinforcing bar can be made to be positioned at the central part of inner chamber, so filling of reinforcing bar surrounding after grouting simultaneously The thickness of slurry keeps consistent, improves Grouted density, increases the bond stress to reinforcing bar for the grouting material.It is pointed out that in order to Reaching preferably technique effect, described sleeve body should be slightly larger than the diameter of reinforcing bar at the internal diameter of exhaust outlet section.This area skill Art personnel it should be appreciated that exhaust outlet section described herein refers to the length field that exhaust outlet upwards takies in sleeve body lumen shaft Between.
The setting of steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, can suitably reduce sleeve originally Body wall is thick, saves material.Reduce wall thickness simultaneously in the case that external diameter is identical, adds grouting material so that be in the milk more closely knit, The reinforcing bar adhesive property overall with sleeve body is higher.Additionally, the slurry pouring into formed in sleeve body empty with in sleeve and The lock solid structure that steel lobe matches, is greatly improved the anchorage reliability of reinforcing bar.Preferably steel lobe setting direction is axial with inner chamber Direction is consistent.It should be appreciated that described steel lobe can be and the shaping of sleeve body one-piece casting, it is possible to be cutting processing shaping, also Can be that work progress is arranged in sleeve body inner chamber, be flexibly connected with sleeve body.Certainly, steel lobe arrange position not with Set by grouting mouth and steam vent, position is overlapping.
Further, the inwall of described sleeve body is provided with the steel lobe of more than two lobes.The setting of lobe lobe number is mainly according to set Depending on the size of cylinder, steel lobe can use the lobe number such as two lobes, three lobes 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 is arranged, it is to avoid during construction reinforced bar docking, reinforcing bar inserts in the seam between steel lobe, it is achieved not docking, strengthens difficulty of construction.
Further, described steel lobe was provided with slurry hole or led stock tank.Cross slurry hole or lead the setting on the one hand guarantee filling of stock tank Slurry has enough flowing spaces when connecting end flowing, enriches whole grout sleeve, simultaneously can be by the gap between steel lobe Grouting material connect into entirety, 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 lead circumferentially disposed along sleeve of stock tank.So, by crossing slurry hole or leading stock tank by steel Gap connection between lobe.
Further, the inwall of described sleeve body offers annular groove in exhaust outlet section.It is arranged such, sleeve can be made Body significantly increases at the internal diameter of exhaust outlet section, with ensure grouting material to connect endwall flow when have enough flowing spaces, protect Card grouting material fills whole inner chamber, improves Grouted density, and the thickness of this part grouting material increases simultaneously, increases grouting material to steel The bond stress of muscle, forms one section and strengthens district.In addition, after grouting material is molded, formed and cavity shape in the inner chamber of sleeve body Consistent grout blanket, the i.e. grout blanket diameter at annular groove, more than the diameter of sleeve body openend, adds in sleeve The ability of anti-shearing force of joint portion and tensile strength, therefore the globality of binding site is more preferable.
Further, at described annular groove, the interior radially connected end of inner chamber becomes larger.It is arranged such, be conducive to guiding filling Slurry, to connecting endwall flow, ensures enough flowing spaces simultaneously, improves Grouted density, the simultaneously thickness of this part grouting material Degree increases, and increases the bond stress to reinforcing bar for the grouting material, forms one section and strengthens district.
Further, the bottom of described sleeve body openend inner chamber is provided with annular protrusion.Interior radial direction due to sleeve body Connecting end to taper into, during grouting, grouting material is easily first to open outer end overflow, at the end of sleeve body openend inner chamber Portion arranges annular protrusion, so plays certain barrier effect to grouting material so that grouting material can first smoothly to sleeve originally Body internal flow, can improve Grouted density.
Further, described steel lobe is in the shape of a spiral.It is arranged such, being engaged between steel lobe and grouting material can be increased further Power, guides grouting material to flow in sleeve body simultaneously to a certain extent, effectively improves Grouted density.
Further, described steel lobe is provided with groove or projection.Groove or the projection of certain depth are set on steel lobe, can increase Add the contact area between steel lobe and grouting material, to increase the snap-in force between itself and grouting material 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 sidewall and/or the inwall of steel lobe, described Groove or projection can be horizontal, vertical or annular is arranged.If offering groove, can be provided in steel lobe sidewall middle part or Groove, near one end of sleeve body wall, is especially opened in steel lobe sidewall near one end of sleeve body wall, can increase by sidewall 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 the inside corrugated extension in openend.Steel lobe uses undulatory inwall, a side Face, owing to end radially connected in sleeve body tapers into, is unfavorable for that grouting material flows to connecting end, and undulatory inwall Can ensure that grouting material plays the role of enough flowing spaces and water conservancy diversion grouting material, Grouted density, the opposing party can be effectively improved Face, can be effectively increased the concavity and convexity of steel lobe inwall, and then increase the snap-in force between grouting material and steel lobe, improve the anchoring of reinforcing bar Intensity.It should be noted that under the conditions of this, the internal diameter of sleeve body by openend to connect end taper into refer to overall becoming In gesture, its internal diameter is tapered into connecting end by openend, and is not properly suited for the internal diameter change of the local of sleeve body, instead Reflect is the internal diameter overall variation trend of sleeve body.
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 uses rough surface, adds the anchor force between grout sleeve and concrete.
Further, the openend 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 before condensing hardening from sleeve body openend spilling.During use, first pass through reinforcing bar on closing device Jack hole, seal after the docking completing reinforcing bar, then carry out grouting operation.
Further, described closing device uses 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, backs 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.Being 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 openend Coordinating, described lock sleeve is mild steel or prepared by spring steel.It is arranged such, after completing the docking of reinforcing bar, during sealing, lock sleeve is past In push away, owing to the internal diameter of sleeve body is tapered into connecting end by openend, cause lock sleeve generation elastic deformation, and then tightly Tight pins reinforcing bar, and reinforcing bar can be made not swing in filling process.It should be noted that lock sleeve uses ring junction During structure, the lumen openings end of sleeve body is not provided with steel lobe, certainly, when the lumen openings end of sleeve body arranges steel lobe, and locking Set outer wall is provided with the projection of the matched in clearance between multiple and steel lobe.
Further, the end of described lock sleeve offers otch.Being arranged such, beneficially lock sleeve deforms upon.Should Understanding, 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 snap-in force 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, i.e. circumferentially disposed along sleeve body inner chamber.
Further, described sleeve body outer surface is provided with annular cutting.It is arranged such, add sleeve body and concrete Contact area, increase the anchor force between grout sleeve and concrete.
Further, the openend of described sleeve body is arranged to angle.It is arranged such, increase the diameter of openend inner chamber, Angle can also play guide effect simultaneously, and the beneficially insertion of reinforcing bar achieves a butt joint.
For reaching above-mentioned purpose, the 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 Being embedded with grout sleeve, being connected with the reinforcing bar that stretches out of prefabricated component to be assembled by grout sleeve, then grouting is fixing, it is achieved prefabricated The abutting joint of part.
Brief description
Constituting a part of accompanying drawing of the present utility model to be further appreciated by of the present utility model for providing, this practicality is new The schematic description and description of type is used for explaining the utility model, is not intended that to improper restriction of the present utility model.
Fig. 1 is the front section view of the grout sleeve involved by a kind of embodiment of the utility model;
Fig. 2~5 are respectively the connection end right side sectional view of the grout sleeve involved by a kind of embodiment of the utility model;
Fig. 6 is the front section view of the grout sleeve involved by the utility model another embodiment;
Fig. 7 is the connection end right side sectional view of the grout sleeve involved by the utility model another embodiment;
Fig. 8~10 are respectively the front section view of the grout sleeve involved by the utility model another embodiment;
Figure 11 is the connection end right side sectional view of the grout sleeve involved by the utility model another embodiment;
Figure 12 and 13 is respectively the openend profile of the grout sleeve involved by the utility model another embodiment;
The front section view of grout sleeve involved by the utility model another embodiment for the Figure 14 and 15;
Figure 16 is the structural representation of the lock sleeve involved by a kind of embodiment of the utility model;
Figure 17 is the preform structure schematic diagram involved by a kind of embodiment of the utility model;
Figure 18 is the prefabricated component mated condition schematic diagram involved by a kind of embodiment of the utility model.
In figure:
1 sleeve body 2 is in the milk mouth 3 exhaust outlet 4 openend
5 connection end 6 annular protrusion 7 annular groove 8 steel lobes
9 cross slurry hole 10 inner chamber 11 steel lobe inwall 13 reinforcing bar
Protruding 16 groove 17 closing devices of 14 grouting materials 15
18 lock sleeve 19 jack hole 20 otch 21 prefabricated components
22 embedded bars
Detailed description of the invention
Being described in detail the utility model below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory, Should there is not 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.
The utility model embodiment is as follows, sees figures.1.and.2, a kind of grout sleeve, including sleeve body 1, described sleeve Body 1 is provided with grouting mouth 2 and exhaust outlet 3, the one end open of described sleeve body 1, and the other end is for connecting end 5;Described sleeve The internal diameter of body 1 is tapered into connecting end 5 by openend 4, and the inwall of described sleeve body 1 is provided with steel lobe 8.Grout sleeve should Used time, in the manufacturing process of prefabricated component 21, grout sleeve is embedded in advance in prefabricated component 21, the connection end of sleeve body 15 with pre- Bury reinforcing bar 22 to be connected, the openend 4 of sleeve body 1 towards the outer connection of prefabricated component 21, carry out reinforcing bar 13 dock when, reinforcing bar 13 is from set Cylinder body 1 openend 4 stretch to sleeve body 1 inner chamber 10, due to sleeve body 1 internal diameter by openend 4 to connect end 5 by Gradual change is little, and after reinforcing bar 13 enters inner chamber 10, reinforcing bar 13 termination is moved to connection end 5 under the constraint of sleeve body 1 inwall, until The end of reinforcing bar 13 is connected with being connected end 5, and so, in the docking operation of reinforcing bar 13, reinforcing bar 13 can be realized by sleeve body 1 Accurate axially control, it is achieved radially positioning, it is ensured that the positioning precision between reinforcing bar 13 and grout sleeve, under preferable case, i.e. When the central point of connection end 5 is on the center line of the inner chamber 10 of sleeve body 1, docking reinforcing bar 13 can be made on the same line, Reasonable mechanical;The reinforcing bar 13 can be made, so the grouting material 14 of reinforcing bar 13 surrounding after grouting to be positioned at the central part of inner chamber 10 simultaneously Thickness keeps consistent, improves Grouted density, increases the bond stress to reinforcing bar 13 for the grouting material 14.It is pointed out that to reach To preferably technique effect, described sleeve body 1 should be slightly larger than the diameter of reinforcing bar 13 at the internal diameter of exhaust outlet 3 sections.This area Take on sleeve body 1 inner chamber 10 is axial it will be appreciated by the skilled person that exhaust outlet 3 sections described herein refers to exhaust outlet 3 Length of interval.
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, saves material.Reduce wall thickness simultaneously in the case that external diameter is identical, adds grouting material 14 so that grouting is more Closely knit, reinforcing bar 13 is higher with the adhesive property of sleeve body 1 entirety.Additionally, the slurry pouring into is formed and set in sleeve body 1 The lock solid structure that in cylinder, sky and steel lobe 8 match, is greatly improved the anchorage reliability of reinforcing bar 13.Preferably steel lobe 8 side of setting To consistent with inner chamber 10 axial direction.It should be appreciated that such as Fig. 2~5, described steel lobe 8 can be to become with sleeve body 1 one-piece casting Type, it is possible to be cutting processing shaping, it is also possible to be to be arranged in work progress in sleeve body 1 inner chamber 10, live with sleeve body 1 It is dynamically connected.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. 2~5, the inwall of described sleeve body 1 It is provided with the steel lobe 8 of more than two lobes.Depending on the setting of lobe lobe number is mainly according to the size of sleeve, steel lobe 8 can use two lobes, three lobes Deng lobe number so that the regulation 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 sleeve body between described steel lobe 8 The distance of inner chamber 10 circumference of 1 is less than the diameter of reinforcing bar 13 to be connected.It is arranged such, it is to avoid reinforcing bar 13 when construction reinforced bar 13 docks Insert 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. 6 and Fig. 7, described steel lobe 8 was offered Starch hole 9 or lead stock tank.Cross slurry hole 9 or lead stock tank arrange on the one hand ensure grouting material 14 to connect have when end 5 flows enough The flowing space, enriches whole grout sleeve, the grouting material 14 in the gap between steel lobe 8 can be connected into entirety 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 Fig. 7, described cross slurry hole 9 or lead stock tank along set Cylinder circumferentially disposed.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. 8, the inwall of described sleeve body 1 is row Gas port 3 sections offers annular groove 7.It is arranged such, sleeve body 1 can be made to significantly increase at the internal diameter of exhaust outlet 3 sections, to protect Card grouting material 14 has enough flowing spaces when connecting the flowing of 5, end, it is ensured that grouting material 14 fills whole inner chamber 10, improves and fills Slurry packing, the thickness of this part grouting material 14 increases simultaneously, increases the bond stress to reinforcing bar 13 for the grouting material 14, forms one section and add Strong district.In addition, after grouting material 14 is molded, form the grout blanket consistent with inner chamber 10 shape in the inner chamber 10 of sleeve body 1, i.e. Diameter at annular groove 7s for the grout blanket, more than the diameter of sleeve body 1 openend 4, adds resisting of the joint portion in sleeve The ability of shearing force 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, such as Fig. 9, inner chamber 10 at described annular groove 7 Interior radially connected end 5 becomes larger.It is arranged such, be conducive to guiding grouting material 14 to connecting the flowing of 5, end, ensure enough simultaneously The flowing space, improve Grouted density, simultaneously this part grouting material 14 thickness increase, increase grouting material 14 to reinforcing bar 13 Bond stress, forms one section and strengthens district.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 10, in described sleeve body 1 openend 4 The bottom in chamber 10 is provided with annular protrusion 6.Owing to end 5 radially connected in sleeve body 1 tapers into, during grouting, fill Slurry 14, easily first to open outer end overflow, arranges annular protrusion 6 in the bottom of sleeve body 1 openend 4 inner chamber 10, 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 packing.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11, described steel lobe 8 is in the shape of a spiral.So Arrange, the snap-in force between steel lobe 8 and grouting material 14 can be increased further, guide grouting material 14 to sleeve simultaneously to a certain extent In body 1, flowing, effectively improves Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 12 and 13, described steel lobe 8 is provided with recessed Groove 16 or protruding 15.The groove 16 or protruding 15 of certain depth is set on steel lobe 8, can increase between steel lobe 8 and grouting material 14 Contact area, to increase the snap-in force between itself and grouting material 14 so that between reinforcing bar 13 and sleeve body 1, power transmission is more equal Even.It 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 convex Playing 15 can be horizontal, vertical or annular setting.If offering groove, middle part or the sidewall of steel lobe 8 sidewall can be provided in 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, it is possible to increase The grouting space of grouting material 14, and increase the contact area of steel lobe the 8th, sleeve lining and grouting material 14 simultaneously.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, described steel lobe inwall 11 is by openend 4 inside corrugated extensions.Steel lobe 8 uses undulatory inwall, on the one hand, due to end 5 radially connected in sleeve body 1 by Gradual change is little, is unfavorable for that grouting material 14 flows to connecting end 5, and undulatory inwall can ensure that grouting material 14 has enough flowings empty Between and the effect of water conservancy diversion grouting material 14, Grouted density can be effectively improved, on the other hand, steel lobe inwall 11 can be effectively increased Concavity and convexity, and then increase the snap-in force of 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. 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 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 uses rough surface, adds between grout sleeve and concrete Anchor force.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 15, the openend 4 of described sleeve body 1 Being 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 openend 4.During use, first reinforcing bar 13 is passed through the jack hole 19 on closing device 17, complete reinforcing bar 13 Docking after seal, 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 use Screw thread or shackle member connect.So, closing device 17 forms with sleeve body 1 and is reliably connected, and can avoid in filling process, by The phenomenon backing down closing device 17 in 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.Being 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 16, described closing device 17 is lock sleeve 18, inner chamber 10 interference fit of described lock sleeve 18 and described sleeve body 1 openend 4, described lock sleeve 18 is mild steel or bullet Spring steel is standby.It is arranged such, after completing the docking of reinforcing bar 13, during sealing, lock sleeve 18 is pushed away inward, due to sleeve body 1 Internal diameter is tapered into connecting end 5 by openend 4, causes lock sleeve 18 that elastic deformation occurs, and then locking reinforcing bar 13 tightly Live, reinforcing bar 13 can be made not swing in filling process.During it should be noted that lock sleeve 18 uses loop configuration, set Inner chamber 10 openend 4 of cylinder body 1 is not provided with steel lobe 8, certainly, when inner chamber 10 openend 4 of sleeve body 1 arranges steel lobe 8, and lock Tight set 18 outer walls are provided with the projection of the matched in clearance between multiple and steel lobe 8.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 16, the end of described lock sleeve 18 is offered There is otch 20.Being arranged such, beneficially lock sleeve 18 deforms upon.It should be appreciated that described otch 20 can be arranged on lock sleeve Any one or both ends of 18.
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, while increasing grouting space, increase the snap-in force 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. along set Inner chamber 10 circumferentially disposed of cylinder 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 and carves Groove.Be arranged such, add 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 openend 4 of described sleeve body 1 is arranged to Angle.Being arranged such, increasing the diameter of inner chamber 10 at openend 4, angle can also play guide effect, beneficially reinforcing bar 13 simultaneously Insertion achieve a butt joint.
The utility model also provides a kind of prefabricated component 21, and embodiment is as follows, and with reference to Figure 17 and Figure 18, described prefabricated component 21 is pre- It is embedded with the grout sleeve described in embedded bar 22 and above-mentioned any one, the connection end 5 of described embedded bar 22 and grout sleeve It is connected.Being arranged such, prefabricated component 21 is embedded with grout sleeve, stretches out reinforcing bar phase by grout sleeve and prefabricated component 21 to be assembled Even, then grouting is fixing, it is achieved the abutting joint of prefabricated component 21.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of without departing from the 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 (20)

1. a grout sleeve, including sleeve body, described sleeve body is provided with grouting mouth and exhaust outlet, it is characterised in that The one end open of described sleeve body, the other end is for connecting end;The internal diameter of described sleeve body is by openend to connection end gradually Diminishing, the inwall of described sleeve body is provided with steel lobe.
2. grout sleeve according to claim 1, it is characterised in that the inwall of described sleeve body is provided with more than two lobes Steel lobe.
3. grout sleeve according to claim 2, it is characterised in that along the inner chamber circumference of sleeve body between described steel lobe Distance less than the diameter of reinforcing bar to be connected.
4. grout sleeve according to claim 3, it is characterised in that described steel lobe was provided with slurry hole or led stock tank.
5. grout sleeve according to claim 4, it is characterised in that described cross slurry hole or lead stock tank and set along the circumference of sleeve Put.
6. the grout sleeve according to Claims 1 to 5 any one, it is characterised in that the inwall of described sleeve body exists Exhaust outlet section offers annular groove.
7. grout sleeve according to claim 6, it is characterised in that the interior radially connected end of inner chamber at described annular groove Become larger.
8. the grout sleeve according to Claims 1 to 5 any one, it is characterised in that in described sleeve body openend The bottom in chamber is provided with annular protrusion.
9. the grout sleeve according to Claims 1 to 5 any one, it is characterised in that described steel lobe is in the shape of a spiral.
10. grout sleeve according to claim 9, it is characterised in that described steel lobe is provided with groove or projection.
11. grout sleeves according to claim 9, it is characterised in that described steel lobe inwall by openend inwardly in ripple Shape extends.
12. grout sleeves according to claim 1, it is characterised in that described connection end is provided with threaded mouth or fixing Bolt.
13. grout sleeves according to claim 1, it is characterised in that described sleeve body outer surface is matsurface.
14. grout sleeves according to claim 1, it is characterised in that the openend of described sleeve body is provided with sealing dress Putting, described closing device is provided with jack hole.
15. grout sleeves according to claim 14, it is characterised in that described closing device uses screw thread with sleeve body Or shackle member connects.
16. grout sleeves according to claim 14, it is characterised in that the two side of described closing device is provided with anchoring Protruding.
17. grout sleeves according to claim 16, it is characterised in that described closing device is lock sleeve, described locking Set and the inner chamber interference fit of described sleeve body openend, described lock sleeve is mild steel or prepared by spring steel.
18. grout sleeves according to claim 17, it is characterised in that the end of described lock sleeve offers otch.
19. grout sleeves according to claim 10, it is characterised in that the sleeve body inwall between described steel lobe is provided with Groove.
20. 1 kinds of prefabricated components, it is characterised in that described prefabricated component is embedded with embedded bar and claim 1~19 any one Described grout sleeve, described embedded bar is connected with the connection end of grout sleeve.
CN201620364959.8U 2016-04-26 2016-04-26 A kind of grout sleeve and prefabricated component Active CN205712776U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208474A (en) * 2018-11-06 2019-01-15 长沙理工大学 A kind of steel-UHPC the combined bridge deck structure and construction method of non-arrangement of reinforcement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208474A (en) * 2018-11-06 2019-01-15 长沙理工大学 A kind of steel-UHPC the combined bridge deck structure and construction method of non-arrangement of reinforcement

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