CN205712759U - A kind of grout sleeve and prefabricated component - Google Patents
A kind of grout sleeve and prefabricated component Download PDFInfo
- Publication number
- CN205712759U CN205712759U CN201620361533.7U CN201620361533U CN205712759U CN 205712759 U CN205712759 U CN 205712759U CN 201620361533 U CN201620361533 U CN 201620361533U CN 205712759 U CN205712759 U CN 205712759U
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- sleeve
- grout
- sleeve body
- steel lobe
- reinforcing bar
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- 239000011440 grout Substances 0.000 title claims abstract description 69
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 90
- 239000010959 steel Substances 0.000 claims abstract description 90
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 77
- 230000008719 thickening Effects 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 18
- 238000004873 anchoring Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 59
- 238000010008 shearing Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 12
- 238000003032 molecular docking Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000005429 filling process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a kind of grout sleeve and prefabricated component, 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 internal diameter of described sleeve body is gradually increased to connecting end by opening, and the inwall of described sleeve body is provided with steel lobe, and described steel lobe is the most thickening to connecting end by opening.This utility model is capable of axially controlling and radially positioning of reinforcing bar, ensure the positioning precision between reinforcing bar and grout sleeve, Grouted density can be effectively improved, increase the grouting material bond stress to reinforcing bar, the ability of the anti-shearing force of the joint portion being simultaneously effectively increased in sleeve and the grout sleeve of tensile strength.
Description
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 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
Cement mortar hardening after, mutual build-in between three thus realize the connection of reinforcing bar.Patent CN 103758291 B discloses one
Shearing enhancement mode half grout sleeve, including sleeve body, described sleeve body is tubular structure, and the opening part that sleeve body is is provided with
Elastic rubber sealing ring, the opening part of sleeve body other end is provided with threaded connector, and near sleeve body end position
Sidewall be provided with grouting mouth and grout outlet；Sidewall along sleeve body is provided with bolt hole, is provided with shearing resistance in described bolt hole
Bolt.Above-mentioned sleeve plays, by increasing shearing bolt, the effect that shearing strengthens, but its structure is relative complex, and processing technology is also
Can complicate, cost of manufacture can increase accordingly simultaneously.Patent CN 105133795 A discloses a kind of reducing type half grout sleeve,
Using 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, circle
The smaller diameter end of Taper Pipe connects with cylindrical tube one end.Above-mentioned sleeve adds a conical pipe and plays the effect of reducing so that
This grout sleeve is easily attached reinforcing bar, and makes it deform so that it is be in close contact with being connected reinforcing bar through extruding.But above-mentioned grouting set
In Tong, the setting of conical pipe makes the internal diameter of this part diminish suddenly, owing to reinforcing bar has certain rigidity, is difficult to so that the company for the treatment of
Reinforcing bar on the same line, even cannot be extend into the inside, the existing defects in stress of sleeve by the reinforcing bar connect.
In sum, exploitation is needed badly a kind of with low cost, it is possible to realize axially controlling and radially location of reinforcing bar, it is ensured that steel
Positioning precision between muscle and grout sleeve, can be effectively improved Grouted density, increases the grouting material bond stress to reinforcing bar, simultaneously
The ability of the anti-shearing force of the joint portion being effectively increased in sleeve and the grout sleeve of tensile strength.
Utility model content
The purpose of this utility model exploitation is a kind of with low cost, it is possible to realizes axially controlling and radially location of reinforcing bar, protects
Positioning precision between card reinforcing bar and grout sleeve, can be effectively improved Grouted density, increases the grouting material bond stress to reinforcing bar,
The ability of the anti-shearing force of the joint portion being simultaneously effectively increased in sleeve and the grout sleeve of tensile strength, and application have this filling
The prefabricated component of slurry sleeve.
Above-mentioned purpose is to be achieved through the following technical solutions: a kind of grout sleeve, including sleeve body, and described sleeve body
Being provided with grouting mouth and air vent, it is characterised in that the one end open of described sleeve body, the other end is for connecting end；Described set
Cylinder body internal diameter by opening to connect end be gradually increased, the inwall of described sleeve body is provided with steel lobe, described steel lobe by
Opening is the most thickening to connecting end.It is arranged such, sleeve body can be made substantially to be increased to the internal diameter connecting end by opening
Greatly, to ensure that grouting material 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, the thickness of grouting material increases simultaneously, is formed and strengthens district, increases the grouting material bond stress to reinforcing bar.It addition, when grouting
After material molding, the interior intracavity of sleeve body forms the grout blanket consistent with cavity shape, i.e. grout blanket near connecting the straight of end
Footpath more than the diameter of sleeve body opening, adds ability and the tensile strength of the anti-shearing force of joint portion in sleeve, therefore
The globality of binding site is more preferable.
During grout sleeve application, in the manufacturing process of prefabricated component, grout sleeve is embedded in prefabricated component in advance, sleeve body
Connection end be connected with embedded bar, the opening of sleeve body connects towards outside prefabricated component, when carrying out steel reinforcement abutting joints, reinforcing bar from
The opening of sleeve body stretches to sleeve body inner chamber, owing to steel lobe is the most thickening to connecting end by opening, and is provided with many
During individual steel lobe, it is preferable that the distance between the steel lobe inwall being oppositely arranged tapers into, after reinforcing bar enters inner chamber, steel bar end
Move to connecting end under the constraint of steel lobe inwall, until the end of reinforcing bar is with to be connected end connected, so, at reinforcing bar to taking over
Cheng Zhong, sleeve body can realize accurate axially control to reinforcing bar, it is achieved radially location, it is ensured that between reinforcing bar and grout sleeve
Positioning precision, under preferable case, when described steel lobe is symmetrical arranged, can make dock reinforcing bar on the same line, reasonable mechanical；
Reinforcing bar can be made to be positioned at the central part of inner chamber, and so after grouting, the thickness of the grouting material of reinforcing bar surrounding keeps consistent, improves simultaneously
Grouted density, increases the grouting material bond stress to reinforcing bar.It is pointed out that to reach preferably technique effect, described
Distance between the steel lobe inwall being oppositely arranged should be slightly larger than the diameter of reinforcing bar in sleeve body in air vent section.This area
It will be appreciated by the skilled person that air vent section described herein refers to the length that air vent upwards takies in sleeve body lumen shaft
Interval.
The setting of steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, can suitably reduce sleeve
Body wall thickness, saves material.In the case of external diameter is identical, reduces wall thickness simultaneously, adds grouting material so that grouting is more encrypted
Real, reinforcing bar is higher with the adhesive property of sleeve body entirety.Additionally, the slurry poured into is formed empty with in sleeve in sleeve body
And the lock solid structure that steel lobe matches, the anchorage reliability of reinforcing bar is greatly improved.Should be appreciated that described steel lobe can be with
Sleeve body one-piece casting molding, it is possible to be cutting processing molding, it is also possible to be to be arranged on sleeve body inner chamber in work progress
In, it is flexibly connected with sleeve body.Certainly, steel lobe arrange position with grouting mouth and steam vent set by position not overlapping.
Further, the bottom of described sleeve body opening inner chamber is provided with annular protrusion.In sleeve body opening
Annular protrusion is set bottom chamber, so grouting material is played certain barrier effect so that grouting material can be the most smoothly to set
Cylinder body interior flowing, can improve Grouted density.
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.Lobe lobe number arrange main according to the size of sleeve depending on, steel lobe can use two lobes, three lobes etc.
Lobe number so that the regulation space of sleeve body is bigger.
Further, the diameter of reinforcing bar to be connected it is less than between described steel lobe along the distance that the inner chamber of sleeve body is circumferential.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 offered slurry hole or led stock tank.Cross to starch hole or lead arranging of stock tank and on the one hand ensure to fill
Slurry has enough flowing spaces in time 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 grouting material bond stress to reinforcing bar.
Further, described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.So, by crossing slurry hole or leading stock tank by 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 uses rough surface, adds the anchor force between grout sleeve and concrete.
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 gmatjpdumamics between itself and grouting material so that reinforcing bar and sleeve body
Between power transmission more uniform.Should be appreciated that described groove or projection can be arranged on sidewall and/or the inwall of steel lobe, described
Groove or projection can be horizontal, vertical or annular is arranged.If offering groove, 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 of opening.Being arranged such, undulatory inwall can be protected
Card grouting material has enough flowing spaces and the effect of water conservancy diversion grouting material, can be effectively improved Grouted density, on the other hand, and can
It is effectively increased the concavity and convexity of steel lobe inwall, and then increases the gmatjpdumamics between grouting material and steel lobe, improve the anchoring strength of reinforcing bar.
It should be noted that under the conditions of this, steel lobe by opening to connect end the most thickening refer on overall trend the most thickening, and
Being not properly suited for the thickness change of steel lobe local, reflection is steel lobe thickness overall variation trend.
Further, described steel lobe is in the shape of a spiral.It is arranged such, it is possible to increase the gmatjpdumamics between steel lobe and grouting material, simultaneously
Guide grouting material to flow in sleeve body to a certain extent, be effectively improved Grouted density.
Further, the opening of described sleeve body is provided with closing device, and described closing device is provided with jack hole.So set
Put, it is to avoid grouting material before condensing hardening from sleeve body opening spilling.During use, first reinforcing bar is passed on closing device
Jack hole, seal after completing the docking of 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 is formed 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 the sleeve body connection with the two.
Further, described closing device is lock sleeve, described lock sleeve and the inner chamber interference of described sleeve body opening
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 steel lobe is the most thickening to connecting end by opening, the inside in sleeve body divides and tapers into, and causes lock sleeve
Occur elastic deformation, and then tightly by reinforcing bar pin, reinforcing bar can be made not swing in filling process.
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 gmatjpdumamics 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, adds 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, increases the diameter of opening inner chamber,
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, 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, be 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.
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, and this practicality is new
The schematic description and description of type is used for explaining this utility model, is not intended that 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 this utility model；
Fig. 2～5 is respectively the connection end right side sectional view of the grout sleeve involved by a kind of embodiment of this utility model；
Fig. 6 and Fig. 7 is respectively the front section view of the grout sleeve involved by a kind of embodiment of this utility model；
Fig. 8 and Fig. 9 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；
Figure 10 and 11 is respectively the profile of the opening of the grout sleeve involved by a kind of embodiment of this utility model；
The front section view of the Figure 12 and 13 grout sleeve involved by this utility model another embodiment；
Figure 14 is the structural representation of the lock sleeve involved by a kind of embodiment of this utility model；
Figure 15 is the preform structure schematic diagram involved by a kind of embodiment of this utility model；
Figure 16 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 8 steel lobe 9 crosses slurry hole
10 inner chamber 11 steel lobe inwall 13 reinforcing bar 14 grouting materials
15 protruding 16 groove 17 closing device 18 lock sleeves
19 jack hole 20 otch 21 prefabricated component 22 embedded bars
Detailed description of the invention
Being described in detail this utility model below in conjunction with the accompanying drawings, the description of this part is only exemplary and explanatory,
Protection domain of the present utility model should there be is not any restriction effect.Additionally, those skilled in the art's retouching according to presents
State, the feature in embodiment in presents and in different embodiment can be carried out respective combination.
This utility model embodiment is as follows, sees figures.1.and.2, and 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, and the other end is for connecting end 5, described sleeve
The internal diameter of body 1 is gradually increased to connecting end 5 by opening 4, and the inwall of described sleeve body 1 is provided with steel lobe 8, described steel lobe
8 is the most thickening to connecting end 5 by opening 4.It is arranged such, enough to ensure that grouting material 14 has in time connecting the flowing of 5, end
The flowing space, it is ensured that grouting material 14 fills whole inner chamber 10, improves Grouted density, simultaneously the thickness ecto-entad of grouting material 14
Increase, formed and strengthen district, increase the grouting material 14 bond stress to reinforcing bar 13.It addition, when after grouting material 14 molding, sleeve body 1
Inner chamber 10 in form the grout blanket consistent with inner chamber 10 shape, i.e. grout blanket and be more than sleeve near the diameter connected at end 5
The diameter of body 1 opening 4, adds ability and the tensile strength of the anti-shearing force of joint portion in sleeve, therefore binding site
Globality more preferable.
During grout sleeve application, in the manufacturing process of prefabricated component 21, grout sleeve is embedded in advance in prefabricated component 21, sleeve
The connection end 5 of body 1 is connected with embedded bar 22, and the opening 4 of sleeve body 1, towards the outer connection of prefabricated component 21, is carrying out reinforcing bar
13 docking time, reinforcing bar 13 stretches to sleeve body 1 inner chamber 10 from the opening 4 of sleeve body 1, due to steel lobe 8 by opening 4 to
Connect end 5 the most thickening, and when being provided with multiple steel lobe 8, it is preferable that the distance between the steel lobe inwall 11 being oppositely arranged gradually becomes
Little, after reinforcing bar 13 enters inner chamber 10, reinforcing bar 13 termination is moved to connection end 5 under the constraint of steel lobe inwall 11, until reinforcing bar 13
End be connected with being connected end 5, so, in the docking operation of reinforcing bar 13, reinforcing bar 13 can be realized accurately by sleeve body 1
Axially control, it is achieved radially location, it is ensured that the positioning precision between reinforcing bar 13 and grout sleeve, under preferable case, be i.e. provided with many
Individual steel lobe 8, the size of steel lobe 8 and consistency of thickness, and when being symmetrical arranged, can make to dock reinforcing bar 13 on the same line, rationally
Stress；Reinforcing bar 13 can be made to be positioned at the central part of inner chamber 10, the so thickness of the grouting material 14 of reinforcing bar 13 surrounding after grouting simultaneously
Keep consistent, improve Grouted density, increase the grouting material 14 bond stress to reinforcing bar 13.It is pointed out that in order to reach
The technique effect stated, the thickness of described steel lobe 8 air vent 3 sections can not be too big, reinforcing bar 13 be ensure that can be worn
After crossing air vent 3 sections be connected end 5 and be connected.It will be appreciated by those skilled in the art that 3 sections of rows of referring to of air vent described herein
The length of interval that QI KOU 3 takies on sleeve body 1 inner chamber 10 is axial.
The setting of steel lobe 8 increases sleeve body 1 integral rigidity, on the premise of meeting rigidity, can suitably reduce set
Cylinder body 1 wall thickness, saves material.In the case of external diameter is identical, reduces wall thickness simultaneously, adds grouting material 14 so that grouting is more
Adding closely knit, reinforcing bar 13 is higher with the adhesive property of sleeve body 1 entirety.Additionally, the slurry poured into formed in sleeve body 1 with
The lock solid structure that in sleeve, sky and steel lobe 8 match, is greatly improved the anchorage reliability of reinforcing bar 13.Should be appreciated that such as Fig. 2
～5, described steel lobe 8 can be and sleeve body 1 one-piece casting molding, it is possible to is cutting processing molding, it is also possible to be to construct
Journey is arranged in sleeve body 1 inner chamber 10, is flexibly connected with sleeve body 1.Certainly, steel lobe 8 arrange position not with grouting mouth 2
With steam vent set by position overlapping.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 6, in described sleeve body 1 opening 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, the most first to open outer end overflow, arranges annular protrusion 6, so to filling bottom the inner chamber 10 of sleeve body 1 opening 4
Slurry 14 plays certain barrier effect so that grouting material 14 can improve filling the most 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. 2～5, the inwall of described sleeve body 1
On set the steel lobe 8 of more than two lobes, it is preferable that be arranged with 3 lobes or 4 lobe steel lobes 8 on the inwall of described sleeve body 1.Lobe lobe number
Depending on arranging mainly according to the size of sleeve, steel lobe 8 can use 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. 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. 7 and 8, described steel lobe 8 offered slurry
Hole 9 or lead stock tank.Cross to starch hole 9 or lead arranging of stock tank and on the one hand ensure that grouting material 14 has enough stream when connection end 5 flows
Dynamic space, enriches whole grout sleeve, and the grouting material 14 in the gap between steel lobe 8 can connect into entirety simultaneously, increases set
Adhesion between cylinder body 1 and grouting material 14, the globality of grouting material 14 is higher, and then is effectively increased grouting material 14 to reinforcing bar
The bond stress of 13.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 12, described cross slurry hole 9 or lead stock tank edge
Sleeve 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. 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 10 and 11, 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 gmatjpdumamics between itself and grouting material 14 so that between reinforcing bar 13 and sleeve body 1, power transmission is more equal
Even.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 16, middle part or the side of steel lobe 8 sidewall can be provided in
Groove, near one end of sleeve body 1 wall, is especially opened in steel lobe 8 sidewall 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 12, described steel lobe inwall 11 is by opening
4 inside corrugated extensions.Undulatory inwall can ensure that grouting material 14 has enough flowing spaces and water conservancy diversion grouting material 14
Effect, can be effectively improved Grouted density, on the other hand, the concavity and convexity of steel lobe inwall 11 can be effectively increased, and then increase and fill
Gmatjpdumamics between slurry 14 and steel lobe 8, improves the anchoring strength of reinforcing bar 13.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 9, described steel lobe 8 is in the shape of a spiral.So
Arrange, it is possible to increase the gmatjpdumamics between steel lobe 8 and grouting material 14, guide grouting material 14 to sleeve body 1 the most to a certain extent
Interior flowing, is effectively improved Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 13, the opening 4 of described sleeve body 1
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 opening 4.During use, first by reinforcing bar 13 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 uses with sleeve body 1
Screw thread or shackle member connect.So, closing device 17 is formed 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 the sleeve body 1 connection with the two.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 13 and 14, described closing device 17 is lock
Tight set 18, described lock sleeve 18 and inner chamber 10 interference fit of described sleeve body 1 opening 4, described lock sleeve 18 is mild steel
Or prepared by spring steel.Be arranged such, after completing the docking of reinforcing bar 13, during sealing, lock sleeve 18 pushed away inward, due to steel lobe 1 by
Opening 4 is the most thickening to connecting end 5, and the inside in sleeve body 1 divides and tapers into, and causes lock sleeve 18 that elastic shape occurs
Become, and then reinforcing bar 13 is pinned tightly, reinforcing bar 13 can be made not swing in filling process.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, the end of described lock sleeve 18 is offered
There is otch 20.Being arranged such, beneficially lock sleeve 18 deforms upon.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, increases the gmatjpdumamics between sleeve body 1 inwall and grouting material 14,
Increase 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 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 opening 4 of described sleeve body 1 is arranged to
Angle.Being arranged such, increase the diameter of inner chamber 10 at opening 4, angle can also play guide effect, beneficially reinforcing bar 13 simultaneously
Insertion achieve a butt joint.
This utility model also provides for a kind of prefabricated component 21, and embodiment is as follows, and with reference to Figure 15 and 16, described prefabricated component 21 is 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.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 implementation 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 this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (19)
1. a grout sleeve, including sleeve body, described sleeve body is provided with grouting mouth and air vent, it is characterised in that
The one end open of described sleeve body, the other end is for connecting end；The internal diameter of described sleeve body is by opening to connection end gradually
Increasing, the inwall of described sleeve body is provided with steel lobe, and described steel lobe is the most thickening to connecting end by opening.
Grout sleeve the most according to claim 1, it is characterised in that the intracavity bottom of described sleeve body opening is provided with
Annular protrusion.
Grout sleeve the most according to claim 1, it is characterised in that set more than two lobes on the inwall of described sleeve body
Steel lobe.
Grout sleeve the most according to claim 3, 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.
Grout sleeve the most according to claim 3, it is characterised in that offered slurry hole on described steel lobe or led stock tank.
Grout sleeve the most according to claim 5, it is characterised in that described cross slurry hole or lead stock tank and set along the circumference of sleeve
Put.
7. according to the grout sleeve described in claim 1～6 any one, it is characterised in that described steel lobe be provided with groove or
Protruding.
Grout sleeve the most according to claim 7, it is characterised in that described steel lobe inwall is the most corrugated by opening
Extend.
Grout sleeve the most according to claim 8, it is characterised in that described steel lobe is in the shape of a spiral.
Grout sleeve the most according to claim 9, it is characterised in that described connection end is provided with threaded mouth or fixing
Bolt.
11. grout sleeves according to claim 9, it is characterised in that described sleeve body outer surface is matsurface.
12. grout sleeves according to claim 9, it is characterised in that described steel lobe inwall by opening inwardly in ripple
Shape extends.
13. grout sleeves according to claim 9, it is characterised in that the opening of described sleeve body is provided with sealing dress
Putting, described closing device is provided with jack hole.
14. grout sleeves according to claim 13, it is characterised in that described closing device uses screw thread with sleeve body
Or shackle member connects.
15. grout sleeves according to claim 14, it is characterised in that the two side of described closing device is provided with anchoring
Protruding.
16. grout sleeves according to claim 13, it is characterised in that described closing device is lock sleeve, described locking
Set and the inner chamber interference fit of described sleeve body opening, described lock sleeve is mild steel or prepared by spring steel.
17. grout sleeves according to claim 16, it is characterised in that the end of described lock sleeve offers otch.
18. grout sleeves according to claim 9, it is characterised in that the sleeve body inwall between described steel lobe is provided with
Groove.
19. 1 kinds of prefabricated components, it is characterised in that described prefabricated component is embedded with embedded bar and claim 1～18 any one
Described grout sleeve, described embedded bar is connected with the connection end of grout sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620361533.7U CN205712759U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620361533.7U CN205712759U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205712759U true CN205712759U (en) | 2016-11-23 |
Family
ID=57294364
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620361533.7U Active CN205712759U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
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| Country | Link |
|---|---|
| CN (1) | CN205712759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781021A (en) * | 2016-04-26 | 2016-07-20 | 中民筑友科技投资有限公司 | Grouting sleeve and prefabricated piece |
-
2016
- 2016-04-26 CN CN201620361533.7U patent/CN205712759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781021A (en) * | 2016-04-26 | 2016-07-20 | 中民筑友科技投资有限公司 | Grouting sleeve and prefabricated piece |
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