CN205712767U - A kind of grout sleeve and prefabricated component - Google Patents
A kind of grout sleeve and prefabricated component Download PDFInfo
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- CN205712767U CN205712767U CN201620361735.1U CN201620361735U CN205712767U CN 205712767 U CN205712767 U CN 205712767U CN 201620361735 U CN201620361735 U CN 201620361735U CN 205712767 U CN205712767 U CN 205712767U
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- reinforcing bar
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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, described sleeve body both ends open, being provided with fixture in the middle part of described sleeve body inner chamber, the internal diameter of described sleeve body is gradually reduced to middle part by two ends, and the inwall of described sleeve body is provided with steel lobe.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；The setting of steel lobe increases sleeve body integral rigidity, on the premise of meeting rigidity, it is possible to reduce sleeve body wall thickness, save material, and in the case of external diameter is identical, reduces wall thickness, add grouting material, making to be in the milk more closely knit, the reinforcing bar adhesive property overall with sleeve body is higher.Additionally, the slurry 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.
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, uses seamless steel pipe as main body
Pipe, 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, conical tube little
Diameter end connects with cylindrical tube one end.Above-mentioned sleeve adds a conical pipe and plays the effect of reducing, makes
Obtain this grout sleeve and be easily attached reinforcing bar, and make 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 one
Fixed rigidity, is 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, can increase the gmatjpdumamics between grouting material simultaneously,
And the grout sleeve of Grouted density can be effectively improved.
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, being engaged between grouting material can be increased simultaneously
Power, and it is effectively improved the grout sleeve of Grouted density, and application has the prefabricated component of this grout sleeve.
Above-mentioned purpose is to be achieved through the following technical solutions: a kind of grout sleeve, including sleeve body, described
Sleeve body is provided with grouting mouth and air vent, described sleeve body both ends open, described sleeve body inner chamber
Middle part is provided with fixture, and the internal diameter of described sleeve body is gradually reduced to middle part by two ends, described sleeve body
Inwall be provided with steel lobe.During grout sleeve application, in the manufacturing process of prefabricated component, grout sleeve is pre-buried
In prefabricated component, embedded bar is connected through one end of sleeve body with fixture, the other end of sleeve body
Connecting outside prefabricated component, when carrying out steel reinforcement abutting joints, reinforcing bar stretches to sleeve body inner chamber, due to sleeve originally
The internal diameter of body is tapered into middle part by end, and after reinforcing bar enters inner chamber, the termination of reinforcing bar is in sleeve body
Move to fixture under the constraint of wall, until the end of reinforcing bar is connected with fixture, so, right at reinforcing bar
In termination process, sleeve body can realize accurate axially control to reinforcing bar, it is achieved radially location, it is ensured that steel
Positioning precision between muscle and grout sleeve, under preferable case, i.e. the central point of fixture is in sleeve body
Time on the centrage of inner chamber, the reinforcing bar that sleeve body two ends are docked can be made 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.Should be appreciated that described sleeve is originally
The minimum diameter of intracoelomic cavity should be slightly larger than the diameter of reinforcing bar.
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, is effectively increased grouting
Space, add grouting material so that be in the milk more closely knit, the adhesive property that reinforcing bar and sleeve body are overall
Higher.Additionally, the slurry poured into forms the locking knot matched with sky in sleeve and steel lobe in sleeve body
Structure, is greatly improved the anchorage reliability of reinforcing bar.Should be appreciated that described steel lobe can be and sleeve body
One-piece casting molding, it is possible to be cutting processing molding, it is also possible to be to be arranged in sleeve body in work progress
Intracavity, is flexibly connected with sleeve body.Certainly, steel lobe arrange position not with grouting mouth and air vent set by portion
Position is overlapping.
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 was offered slurry hole or led stock tank.Cross slurry hole or lead arranging on the one hand of stock tank
Ensure there are enough flowing spaces when grouting material flows to middle part, enrich whole grout sleeve, simultaneously can be by steel
The grouting material in gap between 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, the inwall of described sleeve body offers annular groove at middle part.It is arranged such, can make
The sleeve body internal diameter at middle part significantly increases, to ensure that grouting material has enough flowings empty when flowing to middle part
Between, it is ensured that grouting material fills whole inner chamber, improves Grouted density, and the thickness of this part grouting material increases simultaneously
Greatly, increase the grouting material bond stress to reinforcing bar, form one section and strengthen district.It addition, when after grouting material molding,
The interior intracavity of sleeve body forms straight at annular groove of the grout blanket consistent with cavity shape, i.e. grout blanket
Footpath more than the diameter of sleeve body end, adds ability and the tension of the anti-shearing force of joint portion in sleeve
Intensity, therefore the globality of binding site is more preferable.
Further, at described annular groove, the internal diameter of inner chamber is gradually increased to middle part by two ends.It is arranged such,
The sleeve body internal diameter at middle part can be made to be gradually increased the most inwards, be conducive to guiding grouting material to middle part portion
Flowing, ensures enough flowing spaces simultaneously, improves Grouted density, the simultaneously thickness of this part grouting material
Increase, increase the grouting material bond stress to reinforcing bar, form one section and strengthen district.
Further, the bottom of described sleeve body end inner chamber is provided with annular protrusion.Due in sleeve body
Tapering in the middle part of Jing Xiang, during grouting, grouting material is easily first to open outer end overflow, in sleeve body
The bottom of end inner chamber arranges annular protrusion, and grouting material so plays certain barrier effect so that grouting
Material can improve Grouted density the most smoothly to sleeve body internal flow.
Further, described steel lobe is in the shape of a spiral.It is arranged such, can increase further between steel lobe and grouting material
Gmatjpdumamics, guide grouting material flow in sleeve body the most to a certain extent simultaneously, be effectively improved be in the milk closely knit
Degree.
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.As
Fruit offers groove, can be provided in the middle part of steel lobe sidewall or sidewall near one end of sleeve body wall, especially
It is groove to be 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.
Further, described steel lobe inwall is by the inside corrugated extension in end.On the one hand, due to sleeve body
Interior radial direction in the middle part of taper into, be unfavorable for grouting material to middle part flow, steel lobe use undulatory inwall can
Ensure that grouting material has enough flowing spaces and the effect of water conservancy diversion grouting material, Grouted density can be effectively improved,
On the other hand, the concavity and convexity of steel lobe inwall can be effectively increased, and then increase being engaged between grouting material and steel lobe
Power, improves the anchoring strength of reinforcing bar.The internal diameter of sleeve body described herein is tapered into middle part by two ends
Referring on overall trend, its internal diameter is tapered into middle part by two ends, and is not properly suited for sleeve body
The internal diameter change of local, reflection is the overall variation trend of internal diameter of sleeve body.
Further, described fixture is threaded mouth or fixing bolt.So, it is ensured that sleeve both sides
The connection of 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 end 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 end spilling.During use, first by steel
Muscle, through the jack hole on closing device, seals after completing the docking of reinforcing bar, then carries out grouting operation.
Further, described closing device is elastic seal ring.
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, described lock sleeve and the inner chamber of described sleeve body end
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, owing to the internal diameter of sleeve body is tapered into middle part by end, cause
Lock sleeve generation elastic deformation, so tightly by reinforcing bar pin, can make reinforcing bar in filling process not send out
Raw swing.During it should be noted that lock sleeve uses loop configuration, the cavity ends of sleeve body is not provided with
Steel lobe, certainly, when the cavity ends of sleeve body arranges steel lobe, lock sleeve outer wall be provided with multiple with steel lobe it
Between the projection of matched in clearance.
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, 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 two ends of described sleeve body are arranged to angle.It is arranged such, increases the straight of end inner chamber
Footpath, 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 fixture.It is arranged such,
Prefabricated component is embedded with grout sleeve, is connected, then with the reinforcing bar that stretches out of prefabricated component to be assembled by grout sleeve
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 left of the fixture of the grout sleeve involved by a kind of embodiment of this utility model
Figure；
Fig. 6 is the front section view of the grout sleeve involved by this utility model another embodiment；
Fig. 7 is the fixture left side sectional view of the grout sleeve involved by this utility model another embodiment；
Fig. 8 and Fig. 9 is respectively the front section view of the grout sleeve involved by this utility model another embodiment；
Figure 10 is the fixture left side sectional view of the grout sleeve involved by this utility model another embodiment；
Figure 11 and 12 is respectively on the right side of the fixture of the grout sleeve involved by this utility model another embodiment
Profile；
Figure 13 is the front section view of the 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 fixture
5 inner chamber 6 annular protrusion 7 annular groove 8 steel lobes
9 cross slurry hole 11 steel lobe inwall 13 reinforcing bar 14 grouting material
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 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, and described sleeve body 1 both ends open is described
Be provided with fixture 4 in the middle part of sleeve body 1 inner chamber 5, the internal diameter of described sleeve body 1 by two ends to middle part by
Tapered little, the inwall of described sleeve body 1 is provided with steel lobe 8.During grout sleeve application, at prefabricated component 21
In manufacturing process, being embedded in advance by grout sleeve in prefabricated component 21, embedded bar 2213 is through sleeve body 1
One end be connected with fixture 4, the other end 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 5, due to sleeve body 1 internal diameter by end to
Middle part tapers into, and after reinforcing bar 13 enters inner chamber 5, the termination of reinforcing bar 13 is in the pact of sleeve body 1 inwall
Move to fixture 4 under bundle, until the end of reinforcing bar 13 is connected with fixture 4, so, at reinforcing bar 13
Docking operation in, reinforcing bar 13 can be realized accurate axially controlling by sleeve body 1, it is achieved radially location,
Ensureing the positioning precision between reinforcing bar 13 and grout sleeve, under preferable case, i.e. the central point of fixture 4 exists
Time on the centrage of the inner chamber 5 of sleeve body 1, the reinforcing bar 13 that sleeve body 1 two ends are docked can be made same
On one straight line, reasonable mechanical；Reinforcing bar 13 can be made to be positioned at the central part of inner chamber 5, so steel after grouting simultaneously
The thickness of the grouting material 14 of muscle 13 surrounding keeps consistent, improves Grouted density, increases grouting material 14 to steel
The bond stress of muscle 13.Should be appreciated that the minimum diameter of described sleeve body 1 inner chamber 5 should be slightly larger than reinforcing bar
The diameter of 13.
The setting of steel lobe 8 increases sleeve body 1 integral rigidity, on the premise of meeting rigidity, and can be suitable
Reduce sleeve body 1 wall thickness, save material.In the case of external diameter is identical, reduces wall thickness simultaneously, effectively increases
Add the space of grouting, add grouting material 14 so that be in the milk more closely knit, reinforcing bar 13 and sleeve body 1
Overall adhesive property is higher.Additionally, the slurry poured into forms and steel empty with in sleeve in sleeve body 1
The lock solid structure that lobe 8 matches, is greatly improved the anchorage reliability of reinforcing bar 13.Should be appreciated that such as figure
2～5, described steel lobe 8 can be and sleeve body 1 one-piece casting molding, it is possible to is cutting processing molding, also
Can be work progress to be arranged in sleeve body 1 inner chamber 5, be flexibly connected with sleeve body 1.Certainly,
It is not overlapping with position set by mouth 2 and air vent 3 of being in the milk that steel lobe 8 arranges position.
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.Lobe 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 5 circumference of sleeve body 1 is less than the diameter of reinforcing bar 13 to be connected.It is arranged such, it is to avoid
During when construction reinforced bar 13 docks, reinforcing bar 13 inserts the seam between steel lobe 8, it is achieved not docking, increasing executes
Work difficulty.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 6 and Fig. 7, described steel lobe 8
On offered slurry hole 9 or led stock tank.Cross slurry hole 9 or lead stock tank arrange on the one hand ensure grouting material 14 in
There are enough flowing spaces during portion's flowing, enrich whole grout sleeve, simultaneously can be by the gap between steel lobe 8
In grouting material 14 connect into entirety, increase the adhesion between sleeve body 1 and grouting material 14, grouting
The globality of 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. 7, 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. 8, described sleeve body 1
Inwall offer annular groove 7 at middle part.It is arranged such, sleeve body 1 can be made at the internal diameter at middle part
Significantly increase, to ensure that grouting material 14 has enough flowing spaces to middle part when flowing, it is ensured that grouting material 14
Filling whole inner chamber 5, improve Grouted density, the thickness of this part grouting material 14 increases simultaneously, increases and fills
The slurry 14 bond stress to reinforcing bar 13, forms one section and strengthens district.It addition, when, after grouting material 14 molding, overlapping
Forming the grout blanket consistent with inner chamber 5 shape in the inner chamber 5 of cylinder body 1, i.e. grout blanket is at annular groove 7
The diameter at place more than the diameter of sleeve body 1 end, adds the energy of the anti-shearing force of joint portion in sleeve
Power and tensile strength, therefore the globality of binding site is more preferable.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 9, described annular groove 7
The internal diameter of place's inner chamber 5 is gradually increased to middle part by two ends.It is arranged such, sleeve body 1 can be made at middle part
Internal diameter be gradually increased the most inwards, be conducive to guiding grouting material 14 to flow to middle part portion, ensure enough simultaneously
The flowing space, improve Grouted density, simultaneously this part grouting material 14 thickness increase, increase grouting material
The bond stress of 14 pairs of reinforcing bars 13, forms one section and strengthens district.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 8, described sleeve body 1
The bottom of end inner chamber 5 is provided with annular protrusion 6.Owing to tapering in the middle part of the interior radial direction of sleeve body 1,
During grouting, grouting material 14 is the most first to open outer end overflow, at the end of sleeve body 1 end inner chamber 5
Portion arranges annular protrusion 6, so grouting material 14 is played certain barrier effect so that grouting material 14 energy
Enough first smoothly to sleeve body 1 internal flow, Grouted density can be improved.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 10, described steel lobe 8 is in spiral shell
Rotation shape.It is arranged such, the gmatjpdumamics between steel lobe 8 and grouting material 14 can be increased further, the most certain journey
Guide grouting material 14 to flow in sleeve body 1 on degree, be effectively improved Grouted density.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 11 and 12, described steel lobe 8
It is provided with groove 16 or protruding 15.The groove 16 or protruding 15 of certain depth is set on steel lobe 8, can increase
Add the contact area between steel lobe 8 and grouting material 14, to increase the gmatjpdumamics between itself and grouting material 14,
Make power transmission between reinforcing bar 13 and sleeve body 1 more uniform.Should be appreciated that described groove 16 or projection
On 15 sidewalls that can be arranged on steel lobe 8 and/or inwall, described groove 16 or protruding 15 can be laterally,
Vertical or annular is arranged.If offering groove 16, middle part or the sidewall that can be provided in steel lobe 8 sidewall lean on
One end of nearly sleeve body 1 wall, is especially opened in steel lobe 8 sidewall near sleeve body 1 wall by groove
One end, it is possible to increase the grouting space of grouting material 14, and increase steel lobe 8, sleeve lining and grouting material 14 simultaneously
Contact area.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 6, described steel lobe inwall 11
By the inside corrugated extension in end.On the one hand, owing to tapering in the middle part of the interior radial direction of sleeve body 1,
It is unfavorable for that grouting material 14 flows to middle part, and undulatory inwall can ensure that grouting material 14 has enough flowings
Space and the effect of water conservancy diversion grouting material 14, can be effectively improved Grouted density, on the other hand, can effectively increase
Add the concavity and convexity of steel lobe inwall 11, and then increase the gmatjpdumamics between grouting material 14 and steel lobe 8, improve steel
The anchoring strength of muscle 13.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Fig. 1, described fixture 4 is
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 13, described sleeve body 1
End be 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 overflows from sleeve body 1 end before condensing hardening.During use, first by reinforcing bar 13 through envelope
Jack hole 19 on mouth device 17, seals after completing the docking of reinforcing bar 13, then carries out grouting operation.
On the basis of above-described embodiment, in another embodiment of the present invention, described closing device 17 is elastic close
Seal.
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 13 and Figure 14, described envelope
Mouthful device 17 is lock sleeve 18, and inner chamber 5 interference of described lock sleeve 18 and described sleeve body 1 end is joined
Closing, described lock sleeve 18 is prepared for mild steel or spring steel.It is arranged such, after completing the docking of reinforcing bar 13,
During sealing, lock sleeve 18 is pushed away inward, owing to the internal diameter of sleeve body 1 is tapered into middle part by end,
Cause lock sleeve 18 that elastic deformation occurs, and then reinforcing bar 13 is pinned tightly, reinforcing bar 13 can be made in grouting
During do not swinging.During it should be noted that lock sleeve 18 uses loop configuration, sleeve body 1
Inner chamber 5 end be not provided with steel lobe 8, certainly, when inner chamber 5 end of sleeve body 1 arranges steel lobe 8,
Lock sleeve 18 outer wall is provided with the projection of the matched in clearance between multiple and steel lobe 8.
On the basis of above-described embodiment, in another embodiment of the present invention, such as Figure 14, 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, 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 5 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 two ends 4 of described sleeve body 1
It is arranged to angle.Being arranged such, increase the diameter of end inner chamber 5, angle can also play guide effect simultaneously,
The insertion being conducive to reinforcing bar 13 achieves a butt joint.
This utility model also provides for a kind of prefabricated component 21, and embodiment is as follows, with reference to Figure 15 and 16, 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 fixture 4.Being arranged such, prefabricated component 21 is embedded with grout sleeve, by grout sleeve with treat group
The reinforcing bar that stretches out of dress prefabricated component 21 is connected, and 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 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 (20)
1. a grout sleeve, including sleeve body, described sleeve body is provided with grouting mouth and air vent, it is characterized in that, described sleeve body both ends open, being provided with fixture in the middle part of described sleeve body inner chamber, the internal diameter of described sleeve body is gradually reduced to middle part by two ends, and the inwall of described sleeve body is provided with steel lobe.
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 3, it is characterised in that offered slurry hole on described steel lobe or led stock tank.
Grout sleeve the most according to claim 4, it is characterised in that described cross slurry hole or lead circumferentially disposed along sleeve of stock tank.
6. according to the grout sleeve described in Claims 1 to 5 any one, it is characterised in that the inwall of described sleeve body is provided with annular groove at middle part.
Grout sleeve the most according to claim 6, it is characterised in that at described annular groove, the internal diameter of inner chamber is gradually increased to middle part by two ends.
8. according to the grout sleeve described in Claims 1 to 5 any one, it is characterised in that the bottom of described sleeve body end inner chamber is provided with annular protrusion.
9. according to the grout sleeve described in Claims 1 to 5 any one, 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 steel lobe is provided with groove or projection.
11. grout sleeves according to claim 9, it is characterised in that described steel lobe inwall is by the inside corrugated extension of opening.
12. grout sleeves according to claim 1, it is characterised in that described fixture is threaded mouth or fixing bolt.
13. grout sleeves according to claim 1, it is characterised in that described sleeve body outer surface is matsurface.
14. grout sleeves according to claim 1, it is characterised in that the opening of described sleeve body is provided with closing device, described closing device is provided with jack hole.
15. grout sleeves according to claim 14, it is characterised in that described closing device uses screw thread or shackle member to be connected with sleeve body.
16. grout sleeves according to claim 14, it is characterised in that the two side of described closing device is provided with anchoring projection.
17. grout sleeves according to claim 16, 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.
18. grout sleeves according to claim 17, it is characterised in that the end of described lock sleeve offers otch.
19. grout sleeves according to claim 10, it is characterised in that the sleeve body inwall between described steel lobe is provided with groove.
20. 1 kinds of prefabricated components, it is characterised in that described prefabricated component is embedded with the grout sleeve described in embedded bar and claim 1～19 any one, and described embedded bar is connected with fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620361735.1U CN205712767U (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 |
|---|---|---|---|
| CN201620361735.1U CN205712767U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
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| Publication Number | Publication Date |
|---|---|
| CN205712767U true CN205712767U (en) | 2016-11-23 |
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| CN201620361735.1U Active CN205712767U (en) | 2016-04-26 | 2016-04-26 | A kind of grout sleeve and prefabricated component |
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| Country | Link |
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| CN (1) | CN205712767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130742A (en) * | 2017-05-08 | 2017-09-05 | 上海住总工程材料有限公司 | A kind of full grout sleeve of prefabricated assembled bridge |
| CN107419851A (en) * | 2017-04-28 | 2017-12-01 | 江苏大学 | A kind of CFRP tendons material binding type interconnection system anchorage and its construction method |
-
2016
- 2016-04-26 CN CN201620361735.1U patent/CN205712767U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419851A (en) * | 2017-04-28 | 2017-12-01 | 江苏大学 | A kind of CFRP tendons material binding type interconnection system anchorage and its construction method |
| CN107130742A (en) * | 2017-05-08 | 2017-09-05 | 上海住总工程材料有限公司 | A kind of full grout sleeve of prefabricated assembled bridge |
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| Date | Code | Title | Description |
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| 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 |