CN205712770U - A kind of grout sleeve and prefabricated component - Google Patents
A kind of grout sleeve and prefabricated component Download PDFInfo
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- CN205712770U CN205712770U CN201620361840.5U CN201620361840U CN205712770U CN 205712770 U CN205712770 U CN 205712770U CN 201620361840 U CN201620361840 U CN 201620361840U CN 205712770 U CN205712770 U CN 205712770U
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Abstract
This utility model belongs to building engineering field, specifically disclose a kind of grout sleeve and prefabricated component, described grout sleeve includes sleeve body, described sleeve body is provided with grouting mouth and air vent, the one end open of described sleeve body, the other end is for connecting end, and the inwall of described sleeve body is provided with steel lobe, and the thickness of described steel lobe is inwardly become larger by opening.The setting of this utility model steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, can suitably reduce sleeve body wall thickness, save material.Reducing wall thickness simultaneously in the case of external diameter is identical, add grouting material so that be in the milk more closely knit, reinforcing bar is higher with the adhesive property of sleeve body entirety.Additionally, the slurry poured into forms the lock solid structure matched with sky in sleeve and steel lobe in sleeve body, the anchorage reliability of reinforcing bar is greatly improved；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.
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 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 105133795 A 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 inwardly become larger by opening.Grouting
During 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, is carrying out reinforcing bar pair
When connecing, reinforcing bar stretches to sleeve body inner chamber from the opening of sleeve body, due to steel lobe by opening to even
Connecing end the most thickening, the inside in sleeve body divides and tapers into, after reinforcing bar enters inner chamber, and steel bar end
Move to connection end under the constraint of steel lobe inwall, 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,
Ensure the positioning precision between reinforcing bar and grout sleeve, under preferable case, be i.e. provided with multiple steel lobe, steel lobe
Size 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 the central part of inner chamber, and so after grouting, the thickness of the grouting material of reinforcing bar surrounding keeps simultaneously
Unanimously, improve Grouted density, increase the grouting material bond stress to reinforcing bar.It is pointed out that to reach
To above-mentioned technique effect, the thickness of described steel lobe can not at least ensure that too greatly in air vent section
Reinforcing bar can connect end through air vent Duan Houyu and be connected.It will be appreciated by those skilled in the art that described herein
Air vent section refer to the length of interval that air vent upwards takies in sleeve body lumen shaft.
The setting of steel lobe increases sleeve body integral rigidity, 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.
Further, the inwall of described sleeve body is provided with the steel lobe of more than two lobes.Steel lobe lobe number master is set
Depending on will be according to the size of sleeve, steel lobe can use the lobe number such as two lobes, three lobes so that the regulation of sleeve body
Space is 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, the bottom of described sleeve body opening inner chamber is provided with annular protrusion.During grouting,
Grouting material easily first to open outer end overflow, arranges annular protrusion in the bottom of sleeve body opening inner chamber, this
Grouting material is played certain barrier effect by sample so that grouting material can be the most smoothly to sleeve body internal flow
Dynamic, Grouted density can be improved.
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, 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 projection.Being arranged such, closing device can be with it
The grouting material of both sides and in-situ layer form certain anchor force, indirectly strengthen the sleeve body connection with the two.
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 steel lobe was offered slurry hole or led stock tank.Cross slurry hole or lead arranging on the one hand of stock tank
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, described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.So, by crossing slurry hole or leading
Gap between steel lobe is connected by stock tank.
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 inwall is by the inside corrugated extension of opening.Steel lobe uses undulatory interior
Wall, on the one hand, taper into connection end owing to the inside of sleeve body divides, is unfavorable for that grouting material is to even
Connect end flowing, and steel lobe is arranged to undulatory inwall and can ensure that grouting material has enough flowing spaces and leads
The effect of purling slurry, can be effectively improved Grouted density, on the other hand, can be effectively increased steel lobe inwall
Concavity and convexity, and then increase the gmatjpdumamics between grouting material and steel lobe, improve the anchoring strength of reinforcing bar.Need
Bright, under the conditions of this, steel lobe is gradually become to connecting the most thickening the referring to of end by opening on overall trend
Thickness, and it is not properly suited for the thickness change of steel lobe local, reflection is steel lobe thickness overall variation trend.
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 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, described steel lobe is provided with groove or projection.The groove of certain depth or convex is set on steel lobe
Rise, the contact area between steel lobe and grouting material can be increased, to increase the gmatjpdumamics between itself and grouting material,
Make power transmission between reinforcing bar and sleeve body more uniform.Should be appreciated that described groove or projection can be arranged
On the sidewall and/or inwall of steel lobe, described groove or projection can be horizontal, vertical or annular is arranged.Relatively
Good scheme is to be opened in the sidewall of steel lobe.If offering groove, the middle part of steel lobe sidewall can be provided in
Or sidewall is near one end of sleeve body wall, especially groove is opened in steel lobe sidewall near sleeve body wall
One end, it is possible to increase the grouting space of grouting material, and increase steel lobe, sleeve lining simultaneously and connect with grouting material
Contacting surface is amassed.
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 the grout sleeve involved by a kind of embodiment of this utility model and connects the section on the right side of end
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 profile that the grout sleeve involved by this utility model another embodiment connects on the right side of end；
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 profile on the right side of the connection end 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 14 and Figure 15 is respectively the front cross-sectional of the grout sleeve involved by this utility model another embodiment
Figure；
Figure 16 is the structural representation of the lock sleeve involved by a kind of embodiment of this utility model；
Figure 17 is the preform structure schematic diagram involved by a kind of embodiment of this utility model；
Figure 18 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.During grout sleeve application, in the manufacturing process of prefabricated component 21, by grout sleeve
Being embedded in advance in prefabricated component 21, the connection end 5 of sleeve body 1 is connected with embedded bar 22, sleeve body 1
Opening 4 towards the outer connection of prefabricated component 21, when carrying out reinforcing bar 13 and docking, reinforcing bar 13 is from sleeve body 1
Opening 4 stretch to sleeve body 1 inner chamber 10, due to steel lobe 8 by opening 4 to connect end 5 gradually
Thickening, the inside in sleeve body 1 divides and tapers into, after reinforcing bar 13 enters inner chamber 10, and reinforcing bar 13
Termination under the constraint of steel lobe inwall 11 to connect end 5 move, until the end of reinforcing bar 13 be connected end 5
Being connected, 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, preferable case
Under, i.e. it is provided with multiple steel lobe 8, the size of steel lobe 8 and consistency of thickness, and when being symmetrical arranged, it is right to make
Connect reinforcing bar 13 on the same line, reasonable mechanical；Reinforcing bar 13 can be made to be positioned at the central part of inner chamber 10 simultaneously,
So after grouting, the thickness of the grouting material 14 of reinforcing bar 13 surrounding keeps consistent, improves Grouted density, increases
Add the grouting material 14 bond stress to reinforcing bar 13.It is pointed out that to reach above-mentioned technique effect,
The thickness of described steel lobe 8 air vent 3 sections can not be too big, reinforcing bar 13 be ensure that can pass
After air vent 3 sections be connected end 5 and be connected.It will be appreciated by those skilled in the art that air vent described herein
3 sections refer to the length of interval that air vent 3 takies on sleeve body 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.
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 15, 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 15 and 16, 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 16, 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, such as Figure 14, described steel lobe inwall 11
By the inside corrugated extension of opening 4.Steel lobe 8 uses undulatory inwall, on the one hand, due to sleeve
The inside of body 1 divide to connect end 5 taper into, be unfavorable for grouting material 14 to connect end 5 flow, and
Undulatory inwall can ensure that grouting material 14 has enough flowing spaces and the effect of water conservancy diversion grouting material 14,
Grouted density can be effectively improved, on the other hand, the concavity and convexity of steel lobe inwall 11, Jin Erzeng can be effectively increased
Add the gmatjpdumamics between grouting material 14 and steel lobe 8, improve the anchoring strength of reinforcing bar 13.
On the basis of above-described embodiment, in another embodiment of the present invention, 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 17 and 18, 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 (13)
1. a grout sleeve, including sleeve body, described sleeve body is provided with grouting mouth and air vent, it is characterized in that, the one end open of described sleeve body, 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 inwardly become larger by opening.
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 2, 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 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 described connection end is provided with threaded mouth or fixing bolt.
Grout sleeve the most according to claim 1, it is characterised in that described sleeve body outer surface is matsurface.
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 7, it is characterised in that or the sleeve body inwall between described steel lobe is provided with groove.
13. 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 1～12 any one, and described embedded bar is connected with the connection end of grout sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620361840.5U CN205712770U (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 |
|---|---|---|---|
| CN201620361840.5U CN205712770U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
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| Publication Number | Publication Date |
|---|---|
| CN205712770U true CN205712770U (en) | 2016-11-23 |
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| CN201620361840.5U Active CN205712770U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
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| CN (1) | CN205712770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781029A (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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2016
- 2016-04-26 CN CN201620361840.5U patent/CN205712770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781029A (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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