CN205712773U - 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
CN205712773U
CN205712773U CN201620364759.2U CN201620364759U CN205712773U CN 205712773 U CN205712773 U CN 205712773U CN 201620364759 U CN201620364759 U CN 201620364759U CN 205712773 U CN205712773 U CN 205712773U
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China
Prior art keywords
sleeve
sleeve body
grout
steel lobe
reinforcing bar
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CN201620364759.2U
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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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Abstract

This utility model belongs to building engineering field, specifically discloses a kind of grout sleeve and prefabricated component, and described grout sleeve includes that sleeve body, described sleeve body are provided with grouting mouth and air vent, the one end open of described sleeve body, and the other end is for connecting end;The inwall of described sleeve body is provided with steel lobe, and the thickness of described steel lobe is become larger to connecting end by opening, and described steel lobe inwall is by the inside corrugated extension of opening.The setting of this utility model steel lobe increases sleeve body integral rigidity, reduces wall thickness, add grouting material so that be in the milk more closely knit in the case of external diameter is identical, and reinforcing bar is higher with the adhesive property of sleeve body entirety;This utility model can realize reinforcing bar and the most axially controls and radially position, it is ensured that the positioning precision between reinforcing bar and grout sleeve;Steel lobe uses 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.

Description

A kind of grout sleeve and prefabricated component
Technical field
This 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 squeeze more The mechanical joining methods such as gland cylinder, the construction of bar connecting is complex and it is necessary to before cast concrete Complete the connection of reinforcing bar, it is impossible to realize 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 Connect, in two connected reinforcing bars are inserted metal sleeve and in the space between sleeve and reinforcing bar, irrigate height Performance cement mortar, cement mortar hardening after, mutual build-in between three thus realize the connection of reinforcing bar.As Patent CN 105133795A discloses a kind of reducing type half grout sleeve, use seamless steel pipe as main body tube, 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, the minor diameter of conical tube End connects with cylindrical tube one end.Above-mentioned sleeve adds a conical pipe and plays the effect of reducing so that should 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 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 to be extend into sleeve The inside, existing defects in stress.
In sum, a kind of axially control being capable of reinforcing bar of exploitation and radial direction location are needed badly, it is ensured that reinforcing bar And the positioning precision between grout sleeve, reasonable stress, cost savings, can be effectively improved grouting closely knit simultaneously The grout sleeve of degree.
Utility model content
The purpose of this utility model is to provide a kind of axially control being capable of reinforcing bar and radially positions, it is ensured that Positioning precision between reinforcing bar and grout sleeve, reasonable stress, cost savings, grouting can be effectively improved simultaneously The grout sleeve of degree of compaction, 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 is provided with grouting mouth and air vent, the one end open of described sleeve body, and the other end is for connecting end; The inwall of described sleeve body is provided with steel lobe, and the thickness of described steel lobe is become larger to connecting end by opening, Described steel lobe inwall is by the inside corrugated extension of opening.It should be noted that under the conditions of this, steel lobe by To connecting, end is the most thickening to be referred on overall trend the most thickening opening, and is not properly suited for steel lobe office The thickness change in portion, reflection is the overall variation trend of steel lobe thickness.During grout sleeve application, prefabricated In the manufacturing process of part, grout sleeve is embedded in prefabricated component in advance, the connection end of sleeve body and embedded bar Being connected, the opening of sleeve body connects 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, owing to steel lobe is the most thickening to connecting end by opening, and sleeve Intrinsic inside divides and tapers into, and after reinforcing bar enters inner chamber, steel bar end is under the constraint of steel lobe inwall Move to connecting end, until the end of reinforcing bar is connected with being connected end, so, in the docking operation of reinforcing bar, Sleeve body can realize accurate axially control to reinforcing bar, it is achieved radially location, it is ensured that reinforcing bar overlaps with grouting Positioning precision between Tong, under preferable case, is i.e. provided with multiple steel lobe, the size of steel lobe and consistency of thickness, And when being symmetrical arranged, can make to dock reinforcing bar on the same line, reasonable mechanical;Reinforcing bar can be made to be positioned at simultaneously The central part of inner chamber, so after grouting, the thickness of the grouting material of reinforcing bar surrounding keeps consistent, improves grouting close Solidity, increases the grouting material bond stress to reinforcing bar.It is pointed out that to reach above-mentioned technique effect, The thickness of described steel lobe in air vent section can not be too big, reinforcing bar be ensure that can pass air vent Duan Houyu connects end and is connected.It will be appreciated by those skilled in the art that air vent section described herein refers to row The length of interval that QI KOU upwards takies in sleeve body lumen shaft.
The setting of steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, can suitably subtract Few sleeve body wall thickness, saves material.In the case of external diameter is identical, reduces wall thickness simultaneously, adds grouting Material so that be in the milk more closely knit, reinforcing bar is higher with the adhesive property of sleeve body entirety.Additionally, pour into Slurry forms the lock solid structure matched with sky in sleeve and steel lobe in sleeve body, and steel is greatly improved The anchorage reliability of muscle.Should be appreciated that described steel lobe can be and sleeve body one-piece casting molding, it is possible to It is cutting processing molding, it is also possible to be that work progress is arranged on intracavity in sleeve body, lives with sleeve body It is dynamically connected.Certainly, steel lobe arrange position with grouting mouth and steam vent set by position not overlapping.
Steel lobe uses undulatory inwall, on the one hand, owing to the inside of sleeve body divides to connecting end gradually Diminish, be unfavorable for that grouting material flows to connecting end, and steel lobe is arranged to undulatory inwall and can ensure grouting material There are 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 steel The anchoring strength of muscle.
Further, the bottom of described sleeve body opening inner chamber is provided with annular protrusion.During grouting, In order to avoid grouting material is first to open outer end overflow, the intracavity bottom at sleeve body opening arranges convex annular Rise, so grouting material is played certain barrier effect so that grouting material can be the most smoothly to sleeve body Internal flow, can improve Grouted density.
Further, the inwall of described sleeve body is provided with the steel lobe of more than two lobes.Arranging of lobe lobe number is main Depending on the size of sleeve, steel lobe can use the lobe number such as two lobes, three lobes so that the regulation of sleeve body is empty Between bigger.
Further, it is less than the straight of reinforcing bar to be connected along the distance that the inner chamber of sleeve body is circumferential between described steel lobe Footpath.It is arranged such, it is to avoid during construction reinforced bar docking, reinforcing bar inserts in the seam between steel lobe, it is achieved not right Connect, strengthen difficulty of construction.
Further, described steel lobe is offered lead stock tank or cross slurry hole.Lead stock tank or cross arranging on the one hand of slurry hole Ensure that grouting material has enough flowing spaces in time connecting end flowing, enrich whole grout sleeve, simultaneously can be by The grouting material in gap between steel lobe connects into entirety, increases 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, lead stock tank described in or cross circumferentially disposed along sleeve of slurry hole.So, by leading stock tank or mistake Gap between steel lobe is connected by slurry hole.
Further, the opening of described sleeve body is provided with closing device, and described closing device is provided with jack hole. Be arranged such, it is to avoid grouting material before condensing hardening from sleeve body opening spilling.During use, first will Reinforcing bar, through the jack hole on closing device, seals after completing the docking of reinforcing bar, then carries out grouting behaviour Make.
Further, described closing device uses screw thread or shackle member to be connected with sleeve body.So, sealing dress Put to be formed with sleeve body and be reliably connected, can avoid in filling process, due to the impulsive force of grouting material and its Gravity itself and back down the phenomenon of closing device and occur.
Further, the two side of described closing device is provided with anchoring projection.Being arranged such, closing device can Form certain anchor force with the grouting material of its both sides and in-situ layer, indirectly strengthen the sleeve body company with the two Connect.
Further, described closing device is lock sleeve, and described lock sleeve is interior with described sleeve body opening Chamber interference fit, 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 pushed away inward, gradually become to connecting end by opening owing to the inside of sleeve body divides Little, cause lock sleeve generation elastic deformation, and then reinforcing bar is pinned tightly, reinforcing bar can be made at filling process In do not swinging.During it should be noted that lock sleeve uses loop configuration, the inner chamber of sleeve body is opened Mouth end is not provided with steel lobe, and certainly, when the lumen openings end of sleeve body arranges steel lobe, lock sleeve 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.It is arranged such, beneficially lock sleeve generation shape Become.Should be appreciated that described otch can be arranged on any one or both ends of lock sleeve.
Further, described connection end is provided with threaded mouth or fixing bolt.So, it is ensured that sleeve two The connection of side reinforcing bar and fixing.
Further, described sleeve body outer surface is matsurface.When grout sleeve is as built-in fitting, sleeve Body outer surface uses rough surface, adds the anchor force between grout sleeve and concrete.
Further, described steel lobe is extended internally by opening, and described sleeve body is near connecting formation ring at end Shape inner chamber.It is meant that steel lobe is extended internally by opening expressed by should be appreciated that herein, but does not extend To connecting end, therefore sleeve body is near connecting formation annular cavity at end.It is arranged such, it is ensured that grouting material In time connecting endwall flow, there are enough flowing spaces, it is ensured that grouting material fills whole inner chamber, improve grouting close Solidity, simultaneously the increasing of this part grouting material, increase the grouting material bond stress to reinforcing bar, form one section of reinforcement District.
Further, described steel lobe is extended inwardly to described air vent front end by opening.It is arranged such, sleeve Body is not provided with steel lobe in air vent section, and the intracavity space of air vent section significantly increases, and contributes to sleeve body The discharge of gas in inner chamber, to ensure that grouting material has enough flowing spaces in time connecting endwall flow, improves Grouted density.Should be appreciated that described air vent front end refers to sleeve body the most close by opening Exhaust ports.
Further, described steel lobe is provided with flex point, and the thickness of described steel lobe is become larger to flex point by opening, Tapered into connecting end by flex point.Being arranged such, beneficially guiding grouting material is to connecting endwall flow, Ensure enough flowing spaces simultaneously, improve Grouted density, simultaneously the increasing of this part grouting material, increase The grouting material bond stress to reinforcing bar, forms one section and strengthens district.
Further, described flex point is arranged on described air vent front end.It is arranged such, sleeve body can be made to exist The intracavity space of air vent section significantly increases, and contributes to the discharge of gas in sleeve body inner chamber, to ensure to fill Slurry has enough flowing spaces in time connecting endwall flow, it is ensured that grouting material fills whole inner chamber, improves and fills Slurry degree of compaction.
Further, described steel lobe is provided with groove or projection.Groove or the projection of certain depth are set on steel lobe, 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 steel On the sidewall of lobe and/or inwall, described groove or projection can be horizontal, vertical or annular is arranged.If opened If 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 Increase the contact area of steel lobe, sleeve lining and grouting material simultaneously.For reaching preferably technique effect, described Axially arranged along sleeve body inner chamber of groove or projection.
Further, described steel lobe is in the shape of a spiral.It is arranged such, it is possible to increase being engaged between steel lobe and grouting material Power, guides grouting material to flow in sleeve body the most to a certain extent, is effectively improved Grouted density.
Further, the sleeve body inwall between described steel lobe is provided with groove.It is arranged such, increases grouting sky Increase the gmatjpdumamics between sleeve body inwall and grouting material while between, increase sleeve body binding site Overall tension or the ability of anti-shearing force.Described groove is preferably arranged to annular, i.e. along sleeve body inner chamber Circumferentially disposed.
Further, described sleeve body outer surface is provided with annular cutting.It is arranged such, adds sleeve body With the contact area of concrete, increase the anchor force between grout sleeve and concrete.
Further, the opening of described sleeve body is arranged to angle.It is arranged such, increases opening inner chamber Diameter, angle can also play the insertion of guide effect, beneficially reinforcing bar and achieves a butt joint simultaneously.
For reaching above-mentioned purpose, this utility model also provides for a kind of prefabricated component, and described prefabricated component is embedded with pre-buried Grout sleeve described in reinforcing bar and above-mentioned any one, described embedded bar is connected with the connection end of grout sleeve. Being arranged such, prefabricated component is embedded with grout sleeve, stretches out reinforcing bar by grout sleeve and prefabricated component to be assembled Being connected, then grouting is fixing, it is achieved the abutting joint of prefabricated component.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, this The schematic description and description of utility model is used for explaining this utility model, is not intended that this practicality new The improper restriction of type.
Fig. 1 is the front section view of the grout sleeve involved by a kind of embodiment of this utility model;
Fig. 2~5 is respectively section on the right side of the connection end of the grout sleeve involved by a kind of embodiment of this utility model Figure;
Fig. 6 and Fig. 7 is the front section view of the grout sleeve involved by this utility model another embodiment;
Fig. 8 is the connection end right side sectional view of the grout sleeve involved by this utility model another embodiment;
Fig. 9 and Figure 10 is respectively the front cross-sectional of the grout sleeve involved by this utility model another embodiment Figure;
Figure 11 is the connection end right side sectional view of the grout sleeve involved by this utility model another embodiment;
Figure 12 and 13 is respectively the opening section of the grout sleeve involved by this utility model another embodiment Figure;
Figure 14 is the front section view of the grout sleeve involved by this utility model another embodiment;
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 is in the milk mouth 3 air vent 4 opening
5 connect end 6 annular protrusion 7 annular cavity 8 steel lobe
9 cross slurry hole 10 inner chamber 11 steel lobe inwall 12 flex point
13 protruding 16 grooves of reinforcing bar 14 grouting material 15
17 closing device 18 lock sleeve 19 jack hole 20 otch
21 prefabricated component 22 embedded bars
Detailed description of the invention
Being described in detail this utility model below in conjunction with the accompanying drawings, the description of this part is only exemplary reconciliation The property released, should not have any restriction effect to protection domain of the present utility model.Additionally, people in the art Feature in embodiment in presents and in different embodiment, according to the description of presents, can be carried out by member Respective combination.
This 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 air vent 3, the one end open of described sleeve body 1, separately One end is for connecting end 5, and the inwall of described sleeve body 1 is provided with steel lobe 8, and the thickness of described steel lobe 8 is by opening End 4 inwardly becomes larger, and described steel lobe inwall 11 is by the inside corrugated extension of opening 4.Grout sleeve During application, in the manufacturing process of prefabricated component 21, being embedded in advance by grout sleeve in prefabricated component 21, sleeve is originally The connection end 5 of body 1 is connected with embedded bar 22, and the opening 4 of sleeve body 1 connects outside prefabricated component 21 Logical, when carrying out reinforcing bar 13 and docking, reinforcing bar 13 stretches to sleeve body from the opening 4 of sleeve body 1 1 inner chamber 10, owing to steel lobe 8 is the most thickening to connecting end 5 by opening 4, the interior sky in sleeve body 1 Part tapers into, and after reinforcing bar 13 enters inner chamber 10, reinforcing bar 13 termination is under the constraint of steel lobe inwall 11 Move to connecting end 5, until the end of reinforcing bar 13 is connected with being connected 5, end, so, at reinforcing bar 13 In docking operation, sleeve body 1 can realize accurate axially control to reinforcing bar 13, it is achieved radially location, Ensure the positioning precision between reinforcing bar 13 and grout sleeve, under preferable case, be i.e. provided with multiple steel lobe 8, steel The size of lobe 8 and consistency of thickness, and when being symmetrical arranged, can make to dock reinforcing bar 13 on the same line, close Reason stress;Reinforcing bar 13 can be made to be positioned at the central part of inner chamber 10, so reinforcing bar 13 surrounding after grouting simultaneously The thickness of grouting material 14 keeps consistent, improves Grouted density, increases grouting material 14 bonding reinforcing bar 13 Power.It is pointed out that the thickness of described steel lobe 8 is at air vent 3 in order to reach above-mentioned technique effect Section can not be too big, reinforcing bar 13 be ensure that can through after air vent 3 sections with to be connected end 5 connected. It will be appreciated by those skilled in the art that air vent described herein 3 sections refers to air vent 3 in sleeve body The length of interval taken on 1 inner chamber 10 is axial.
The setting of this utility model steel lobe 8 increases sleeve body 1 integral rigidity, on the premise of meeting rigidity, Can suitably reduce sleeve body 1 wall thickness, save material.In the case of external diameter is identical, reduce wall thickness simultaneously, Add grouting material 14 so that be in the milk more closely knit, reinforcing bar 13 and the adhesive property of sleeve body 1 entirety Higher.Additionally, the slurry poured into forms the lock matched with sky in sleeve and steel lobe 8 in sleeve body 1 Fixing structure, is greatly improved the anchorage reliability of reinforcing bar 13.Preferably steel lobe 8 setting direction and inner chamber 10 Axial direction is consistent.Should be appreciated that such as Fig. 2~5, described steel lobe 8 can be to water with sleeve body 1 entirety Build up type, it is possible to be cutting processing molding, it is also possible to be that work progress is arranged on sleeve body 1 inner chamber 10 In, it is flexibly connected with sleeve body 1.Certainly, steel lobe 8 arrange position not with grouting mouth 2 and steam vent institute If position is overlapping.
Steel lobe 8 uses undulatory inwall, on the one hand, owing to the inside of sleeve body 1 divides to connecting end 5 taper into, and be unfavorable for that grouting material 14 flows to connecting end 5, and undulatory inwall can ensure grouting material 14 effects having enough flowing spaces and water conservancy diversion grouting material 14, can be effectively improved Grouted density, separately On the one hand, the concavity and convexity of steel lobe inwall 11 can be effectively increased, and then increase between grouting material 14 and steel lobe 8 Gmatjpdumamics, improve reinforcing bar 13 anchoring strength.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 2~5, described sleeve body 1 Inwall be provided with the steel lobe 8 of more than two lobes.Steel lobe 8 lobe number arrange main according to the size of sleeve depending on, Steel lobe 8 can use the lobe number such as two lobes, three lobes 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, between described steel lobe 8 Distance along inner chamber 10 circumference of sleeve body 1 is less than the diameter of reinforcing bar 13 to be connected.It is arranged such, keeps away Exempt from reinforcing bar 13 when construction reinforced bar 13 docks and 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, described sleeve body 1 The bottom of opening 4 inner chamber 10 is provided with annular protrusion 6.During grouting, in order to avoid grouting material 14 First to open outer end overflow, annular protrusion 6 is set in the bottom of sleeve body 1 opening 4 inner chamber 10, this Grouting material 14 is played certain barrier effect by sample so that grouting material 14 can be the most 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. 1, described connection end 5 sets There are 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 Anchor force between grout sleeve and concrete.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, described sleeve body 1 Opening 4 be provided with closing device 17, described closing device 17 is provided with jack hole 19.It is arranged such, keeps away Exempt from grouting material 14 to overflow 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 is with sleeve originally Body 1 uses screw thread or shackle member to connect.So, closing device 17 is formed with sleeve body 1 and is reliably connected, Can avoid in filling process, back down closing device due to impulsive force and the gravity of itself of grouting material 14 The phenomenon of 17 occurs.
On the basis of above-described embodiment, in another embodiment of the present invention, the two side of described closing device 17 It is provided with anchoring projection.Being arranged such, closing device 17 can be with the grouting material 14 of its both sides and in-situ layer shape Become certain anchor force, indirectly strengthen 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 14 and 15, described sealing Device 17 is lock sleeve 18, described lock sleeve 18 and inner chamber 10 mistake of described sleeve body 1 opening 4 Being full of cooperation, described lock sleeve 18 is prepared for mild steel or spring steel.It is arranged such, completes the docking of reinforcing bar 13 After, during sealing, lock sleeve 18 is pushed away inward, owing to the inside of sleeve body 1 divides by opening 4 to even Connect end 5 to taper into, cause lock sleeve 18 that elastic deformation occurs, and then reinforcing bar 13 is pinned tightly, Reinforcing bar 13 can be made not swing in filling process.It should be noted that lock sleeve 18 uses annular During structure, inner chamber 10 opening 4 of sleeve body 1 is not provided with steel lobe 8, certainly, and sleeve body 1 interior When chamber 10 opening 4 arranges steel lobe 8, the gap that lock sleeve 18 outer wall is provided with between multiple and steel lobe 8 is joined The projection closed.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 15, described lock sleeve 18 End offer otch 20.Being arranged such, beneficially lock sleeve 18 deforms upon.Should be appreciated that institute State otch 20 and 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, such as Fig. 7 and Fig. 8, described steel lobe 8 On offered slurry hole 9 or led stock tank.Cross to starch hole 9 or lead arranging of stock tank and on the one hand ensure that grouting material 14 is to even There are enough flowing spaces when connecing end 5 flowing, enrich whole grout sleeve, simultaneously can be by between steel lobe 8 Grouting material 14 in gap connects into entirety, increases 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 Fig. 8, 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 between steel lobe 8 Connection.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 9, described steel lobe 8 is by opening Mouth end 4 extends internally, and described sleeve body 1 is near connecting formation annular cavity 7 at end 5.Should be appreciated that It is meant that steel lobe 8 is extended internally by opening 4 expressed by herein, but is not extended to connect end 5, therefore Sleeve body 1 is near connecting formation annular cavity 7 at end 5.It is arranged such, it is ensured that grouting material 14 is to even There are enough flowing spaces when connecing the flowing of 5, end, it is ensured that grouting material 14 fills whole inner chamber 10, improve and fill Slurry degree of compaction, the increasing of this part grouting material 14 simultaneously, increase the grouting material 14 bond stress to reinforcing bar 13, Form one section and strengthen district.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 9, described steel lobe 8 is by opening Mouth end 4 extends inwardly to described air vent 3 front end.Being arranged such, sleeve body 1 is air vent 3 sections not Arranging steel lobe 8, inner chamber 10 space that air vent is 3 sections significantly increases, and contributes to sleeve body 1 inner chamber 10 The discharge of middle gas, to ensure that grouting material 14 has enough flowing spaces in time connecting the flowing of 5, end, improves Grouted density.Should be appreciated that described air vent 3 front end refer to sleeve body 1 by opening 4 to Interior at air vent 3.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 10, described steel lobe 8 is provided with Flex point 12, the thickness of described steel lobe 8 is become larger to flex point 12 by opening 4, by flex point 12 to Connect end 5 to taper into.It is arranged such, is conducive to guiding grouting material 14 to connecting the flowing of 5, end, simultaneously Ensure enough flowing spaces, improve Grouted density, simultaneously the increasing of this part grouting material 14, increase and fill The slurry 14 bond stress to reinforcing bar 13, forms one section and strengthens district.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 10, described flex point 12 sets Put in described air vent 3 front end.It is arranged such, sleeve body 1 can be made at the inner chamber 10 of air vent 3 sections Space significantly increases, and contributes to the discharge of gas in sleeve body 1 inner chamber 10, with ensure grouting material 14 to There are enough flowing spaces when connecting the flowing of 5, end, it is ensured that grouting material 14 fills whole inner chamber 10, improve Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11, described steel lobe 8 is in spiral shell Rotation shape.It is arranged such, it is possible to increase the gmatjpdumamics between steel lobe 8 and grouting material 14, draws to a certain extent simultaneously Lead grouting material 14 to flow in sleeve body 1, be effectively improved Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 12 and Figure 13, described steel Lobe 8 is provided with groove 16 or protruding 15.The groove 16 or protruding 15 of certain depth is set on steel lobe 8, The contact area between steel lobe 8 and grouting material 14 can be increased, to increase being engaged between its with grouting material 14 Power so that between reinforcing bar 13 and sleeve body 1, power transmission is more uniform.Described groove 16 or projection 15 are permissible 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.Preferably it is opened in sidewall, does not so interfere with the docking of reinforcing bar 13.Should be appreciated that described recessed Groove 16 or protruding 15 can be arranged on sidewall and/or the inwall of steel lobe 8, if offering groove 16, permissible It is provided in the middle part of steel lobe 8 sidewall or sidewall near one end of sleeve body 1 wall, especially groove is opened It is located at 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 with Shi Zengjia steel lobe 8, sleeve lining and the contact area of grouting material 14.
On the basis of above-described embodiment, in another embodiment of the present invention, the sleeve between described steel lobe 8 is originally Body 1 inwall is provided with groove.It is arranged such, while increasing grouting space, increases sleeve body 1 inwall and filling Gmatjpdumamics between slurry 14, increases overall tension or the ability of anti-shearing force of sleeve body 1 binding site. Described groove is preferably arranged to annular, i.e. along inner chamber 10 circumferentially disposed of sleeve body 1.
On the basis of above-described embodiment, in another embodiment of the present invention, described sleeve body 1 outer surface sets There is annular cutting.It is arranged such, adds the contact area of sleeve body 1 and prefabricated component 21 concrete, increase Add the anchor force between grout sleeve and concrete.
On the basis of above-described embodiment, in another embodiment of the present invention, the opening of described sleeve body 1 4 are arranged to angle.Being arranged such, increase the diameter of inner chamber 10 at opening 4, angle can also play simultaneously Guide effect, the beneficially insertion of reinforcing bar 13 achieve a butt joint.
This utility model also provides for a kind of prefabricated component 21, and embodiment is as follows, with reference to Figure 16 and 17, described pre- Product 21 is embedded with the grout sleeve described in embedded bar 22 and above-mentioned any one, described embedded bar 22 It is connected with the connection end 5 of grout sleeve.Being arranged such, prefabricated component 21 is embedded with grout sleeve, by grouting Sleeve is connected with the reinforcing bar that stretches out of prefabricated component 21 to be assembled, and then grouting is fixing, it is achieved prefabricated component 21 right Connect installation.
The above is only preferred implementation of the present utility model, it is noted that for the art For those of ordinary skill, on the premise of without departing from this utility model principle, it is also possible to make some improvement And retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (15)

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, and the other end is for connecting end;The inwall of described sleeve body is provided with steel lobe, and the thickness of described steel lobe is become larger to connecting end by opening, and described steel lobe inwall is by the inside corrugated extension of opening.
Grout sleeve the most according to claim 1, it is characterised in that the bottom of described sleeve body opening inner chamber is provided with annular protrusion.
Grout sleeve the most according to claim 1, it is characterised in that the inwall of described sleeve body is provided with the steel lobe of more than two lobes.
Grout sleeve the most according to claim 3, it is characterised in that be less than the diameter of reinforcing bar to be connected between described steel lobe along the distance that the inner chamber of sleeve body is circumferential.
Grout sleeve the most according to claim 4, it is characterised in that offer on described steel lobe and lead stock tank or cross slurry hole.
Grout sleeve the most according to claim 5, it is characterised in that described in lead stock tank or cross circumferentially disposed along sleeve of slurry hole.
7. according to the grout sleeve described in claim 1~6 any one, it is characterised in that the opening of described sleeve body is provided with closing device, and described closing device is provided with jack hole.
Grout sleeve the most according to claim 7, it is characterised in that described closing device uses screw thread or shackle member to be connected with sleeve body.
Grout sleeve the most according to claim 8, it is characterised in that the two side of described closing device is provided with anchoring projection.
Grout sleeve the most according to claim 7, it is characterised in that 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.
11. grout sleeves according to claim 10, it is characterised in that the end of described lock sleeve offers otch.
12. grout sleeves according to claim 11, it is characterised in that described connection end is provided with threaded mouth or fixing bolt.
13. grout sleeves according to claim 11, it is characterised in that described sleeve body outer surface is matsurface.
14. grout sleeves according to claim 7, it is characterised in that or the sleeve body inwall between described steel lobe is provided with groove.
15. 1 kinds of prefabricated components, it is characterised in that described prefabricated component is embedded with the grout sleeve described in embedded bar and claim 1~14 any one, and described embedded bar is connected with the connection end of grout sleeve.
CN201620364759.2U 2016-04-26 2016-04-26 A kind of grout sleeve and prefabricated component Active CN205712773U (en)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: China Civil Architecture Friends Technology (Jiaozhou) Co., Ltd.

Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD.

Contract record no.: 2018430000023

Denomination of utility model: Grouting sleeve and prefabricated member

Granted publication date: 20161123

License type: Common License

Record date: 20190102